1 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3 * cpplib.c (copy_rest_of_line): Revert previous change: don't
4 bail out early if we hit a line comment.
6 2000-02-06 Richard Henderson <rth@cygnus.com>
8 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9 * basic-block.h: Declare them.
10 * emit-rtl.h (active_insn_p): New.
11 (next_active_insn, prev_active_insn): Use it.
13 * function.c (emit_return_into_block): New.
14 (thread_prologue_and_epilogue_insns): Insert return insns instead
15 of epilogues when possible.
16 * jump.c (jump_optimize_1): Remove code to insert a return insn
17 on the fallthru to the exit block.
19 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
20 and for non-empty stack frames.
21 * i386.md (return): Expand to return-pop as needed.
23 2000-02-06 Richard Henderson <rth@cygnus.com>
25 * simplify-rtx.c (simplify_relational_operation): Canonicalize
26 constant to op1 for testing.
28 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
30 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
31 (fixuns_truncqfqi2): Use it.
33 2000-02-06 Richard Henderson <rth@cygnus.com>
35 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
38 * i386.md (widening and peepholes): Mask the constant instead of
41 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
43 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
44 input pointer before possibly branching off to the backslash
46 * cpphash.c (macroexpand): Correctly delete \r escapes when
47 stringifying parameters.
48 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
49 if we can; bail out early if we hit a line comment.
50 (handle_directive): Treat '# 123' in an .S file just like
51 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
52 Return 1 for '# not_a_directive'.
53 (get_directive_token): Pop macro buffers here, so that
54 cpp_get_token can't sneakily move past a newline.
56 (cpp_get_token): goto randomchar if handle_directive returns 0.
58 * cppalloc.c: Update copyright.
59 * cpplib.c: Merge all the static function prototypes into one
61 * cpplib.h: Remove #if 0 block.
63 * cpperror.c: Remove #ifdef EMACS block.
64 * cppmain.c: Likewise.
65 * cpphash.c: Remove #if 0 blocks.
66 * cppinit.c: Remove #if 0 blocks, and the -lint option.
67 * cpplib.c: Remove #if 0 blocks and code referencing
68 pcp_inside_if or for_lint. Remove duplicate error message.
69 Fix error messages for #else after #else or #elif. Reformat.
70 Remove archaic TODO list.
71 * cpplib.h: Remove pcp_inside_if and for_lint flags.
73 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
75 * i386/osf1elf.h: Add missing backslash to multiline string.
77 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
79 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
81 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * Makefile.in (c-common.o): Depend on $(EXPR_H).
85 * c-common.c: Include expr.h.
87 * c-pragma.c (mark_align_stack): Add prototype.
89 * caller-save.c (add_stored_regs): Likewise.
91 * combine.c (record_promoted_value): Likewise.
93 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
96 * cppinit.c (new_pending_define): Likewise.
98 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
100 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
101 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
102 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
103 class_scope_p): Likewise.
105 * dwarf2out.h (dwarf2out_set_demangle_name_func,
106 dwarf2out_add_library_unit_info): Likewise.
108 * ggc.h (ggc_page_print_statistics): Likewise.
110 * haifa-sched.c (propagate_deps): Likewise.
112 * reg-stack.c (next_flags_user, record_label_references): Likewise.
114 * rtl.h (set_stack_check_libfunc): Likewise.
116 * toplev.h (set_fatal_function): Likewise.
118 * toplev.c (set_fatal_function): Delete prototype.
120 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
122 2000-02-05 Geoff Keating <geoffk@cygnus.com>
124 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
125 (FUNC_END): Likewise.
127 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
129 * caller-save.c: Include tm_p.h.
131 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
133 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
135 2000-02-04 Neil Booth <NeilB@earthling.net>
137 * cccp.c (main): Check 'dir' for a NULL pointer before passing
140 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
142 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
143 * genflags.c: Use the max_operand_1 logic from genemit.c to
144 calculate how many arguments gen_insn prototypes have. Remove
145 NO_MD_PROTOTYPES ifdefs from the generated file.
146 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
147 file. Cast gen_insn initializers to insn_gen_fn.
148 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
149 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
151 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
153 * fixinc/Makefile.in (HDR): Add machname.h.
156 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
158 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
159 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
160 (c4x_cpu_version): Ditto.
161 * config/c4x/c4x-protos.h: ... here.
163 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
165 * dwarf2out.c (add_abstract_origin_attribute): Don't call
166 gen_abstract_function on our context if we're a nested function.
168 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
170 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
171 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
173 2000-02-04 Bruce Korb <bkorb@gnu.org>
175 * fixinc/genfixes(machname.h):
176 Move the functionality from gen-machine.h into this file.
177 UNdef MN_NAME_PAT if there are no names to change.
178 Also, be a little kinder when AutoGen is not present.
180 * fixinc/Makefile.in(machname.h):
181 Change the generation rule to use genfixes.
183 * fixinc/fixfixes.c(machine_name):
184 machine_name_fix's functionality now dependent upon whether
185 MN_NAME_PAT is defined.
187 * fixinc/fixtests.c(machine_name):
190 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
193 * fixinc/fixlib.h(mn_get_regexps):
196 * fixinc/gen-machine.h: DELETED
198 2000-02-04 Jan Hubicka <jh@suse.cz>
199 Richard Henderson <rth@cygnus.com>
201 * i386.c (SAVE_REGS_FIRST): Remove.
202 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
203 (ix86_compute_frame_size): Likewise.
204 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
205 (ix86_emit_restore_regs): Remove.
206 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
207 when a frame pointer is in use.
208 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
209 instead of pop to restore a register when profitable; emit leave
211 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
213 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
214 * i386.md (prologue_allocate_stack): Remove.
215 (epilogue_deallocate_stack): Remove.
216 (pro_epilogue_adjust_stack): New.
218 2000-02-04 Richard Henderson <rth@cygnus.com>
220 * function.c (diddle_return_value): Rework to use a callback function.
221 Use current_function_return_rtx if it's been set up.
222 (do_clobber_return_reg, clobber_return_register): New.
223 (do_use_return_reg, use_return_register): New.
224 (expand_function_end): Use them.
225 * stmt.c (expand_null_return): Likewise.
226 * function.h: Declare them.
227 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
228 (mark_reg): Change arguments as appropriate for callback.
229 * integrate.c (expand_inline_function): Revert 19 Jan change.
231 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
233 * tm.texi (Values in Registers): Fix typo: "fo" "for".
234 (Misc): Say the scheduler, not the Haifa scheduler.
236 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
238 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
239 when in_mem is set. Update all callers.
241 2000-02-04 Richard Henderson <rth@cygnus.com>
243 * i386/openbsd.h (INT_ASM_OP): Define.
245 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
247 * tm.texi: Fix various typos.
249 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
251 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
252 (MD_STARTFILE_PREFIX_1): New macro.
254 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
256 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
257 destination when needed.
258 (strmovsi, strsetsi): New expander.
259 (strmovsi_1, strsetsi_1): New pattern.
260 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
261 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
262 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
263 * invoke.texi (align-stringops, inline-all-stringops): Document.
265 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
267 * i386/netbsd.h (INT_ASM_OP): Define.
269 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
271 * cpplib.h (cpp_reader): Add new flag, no_directives.
272 * cpphash.c (macarg): Set it.
273 * cpplib.c (handle_directive): If no_directives is on and we
274 find a directive, issue an error and discard the line.
276 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
278 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
279 FP constants. Add ! TARGET_FPU check for FP constants.
281 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
283 * flow.c (find_basic_blocks): Don't kill label_value_list
285 (cleanup_cfg): Kill it here.
287 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
289 * expr.c (store_field): Ensure ALIGN is no stricter than the
292 2000-02-02 Richard Henderson <rth@cygnus.com>
294 * jump.c (delete_insn): Partially revert 19 Jan change;
295 don't convert unused code labels to notes at -O0.
297 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
299 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
300 split_all_insns to recreate REG_LABEL notes for flow2 pass.
302 2000-02-01 Richard Henderson <rth@cygnus.com>
304 * i386.c (general_no_elim_operand): New.
305 (nonmemory_no_elim_operand): New.
306 (ix86_expand_move): Copy eliminable operands before a push.
307 * i386-protos.h: Declare new functions.
308 * i386.h (CAN_ELIMINATE): Simplify.
309 (PREDICATE_CODES): Update.
310 * i386.md (push insns): Don't allow eliminable register operands.
312 2000-02-01 Richard Henderson <rth@cygnus.com>
314 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
315 replace BLKmode with DECL_RTL's mode.
317 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
319 * frame.c (find_fde): Convert for loop to do-while so compiler
320 sees it's always executed at least once.
321 * libgcc2.c (BBINBUFSIZE): Kill.
322 (__bb_init_prg): Use fgets.
323 (__bb_exit_trace_func): Don't paste strings.
324 * unroll.c (unroll_loop): Initialize unroll_type, not
325 unroll_number, and tweak logic to match.
327 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
329 (ix86_flags_dependant): Likewise. Disentangle control flow.
330 (ix86_sched_reorder): Break guts out to
331 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
332 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
335 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
336 use string concatenation. Don't save and restore esi.
338 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
339 (machname.h): Remove script to separate file. Use two-step
340 sequence so target is not created if script fails.
341 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
342 identifiers are defined.
343 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
344 an empty string, machine_name doesn't need to do anything at
346 (is_cxx_header): Add more cases to regexp.
347 * fixinc/fixlib.h: Update prototype.
348 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
350 * fixinc/fixincl.c: Define NO_BOGOSITY.
352 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
353 (hp_sysfile): Add missing comma.
354 (math_exception): Put the wrapper ifdefs at the beginning and
356 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
358 2000-02-01 Richard Henderson <rth@cygnus.com>
360 * sparc.c (fp_zero_operand): Turn into a normal predicate.
361 Use CONST0_RTX. Update all callers.
362 * sparc.h, sparc-protos.h: Update accordingly.
363 * sparc.md (fp mov insns): Use fp_zero_operand directly
366 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
368 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
371 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * Makefile.in (specs.ready): New target.
374 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
376 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * fixinc.irix: Use unique filenames for writing into /tmp,
379 * fixinc.ptx: Likewise.
380 * fixinc.sco: Likewise.
381 * fixinc.svr4: Likewise.
382 * fixinc.winnt: Likewise.
384 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
386 * tsystem.h: New file.
388 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
389 s-crtS): Depend on tsystem.h.
391 * crtstuff.c: Include tsystem.h.
393 * libgcc2.c: Likewise.
395 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
397 * builtins.c (expand_builtin_memset): Expand for variable sized
400 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
402 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
405 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
407 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
409 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
411 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
413 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
414 case 3->2 combining (combining with splitting) in which 2 is CC0
415 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
416 checked at the begining of the function with the aid of calling
417 function 'can_combine_p'.
419 2000-01-31 Dave Brolley <brolley@redhat.com>
421 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
423 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
425 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
428 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
430 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
432 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
435 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
437 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
438 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
439 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
440 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
441 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
442 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
443 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
444 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
445 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
446 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
448 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
449 Add %(cpp_cpu) to CPP_SPEC.
451 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
452 Add %(cc1_cpu) to CC1_SPEC.
454 2000-01-28 Ulrich Drepper <drepper@redhat.com>
456 * c-decl.c (c_decode_option): Accept optional numeric argument to
457 -Wformat and set warn_format.
458 * c-common.c: Don't emit warning about non-constant printf format
459 string unless warn_format > 1.
461 2000-01-30 Richard Henderson <rth@cygnus.com>
463 * alpha.md (return_internal): Allow after reload only.
465 2000-01-30 Richard Henderson <rth@cygnus.com>
467 * i386.c (ix86_compute_frame_size): Omit padding1 if the
468 local frame size is zero.
470 2000-01-30 Richard Henderson <rth@cygnus.com>
472 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
473 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
474 * alpha.md (return): Turn into an expander.
475 (return_internal): Don't use $26.
476 (epilogue): Emit the return insn.
478 2000-01-30 Richard Henderson <rth@cygnus.com>
480 * alpha.md (negtf2, abstf2): Fix word order thinko.
482 (trunctfsf2): Avoid intermediate rounding errors.
484 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
486 * cppfiles.c (find_position): Drop 'colp' argument, return the
488 (read_and_prescan): Adjust to match. Don't ever manipulate
489 line or line_base except via find_position.
491 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
493 * c-parse.in: Apply Ulrich's changes from c-parse.y.
494 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
497 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
499 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
500 just print "<command line>". If 'filename' is null or an
501 empty string, print "<stdin>" for the filename.
502 * cpplib.c (do_define): Don't print the 'location of the
503 previous definition' message if we're still parsing the
505 (cpp_pedwarn_with_file_and_line): Always call
506 cpp_file_line_for_message.
508 2000-01-29 Mark Mitchell <mark@codesourcery.com>
510 * flow.c (mark_regs_live_at_end): Fix typo.
512 2000-01-28 Ulrich Drepper <drepper@redhat.com>
514 * c-common.c: Adjust variable names, comments, help strings to c99.
516 * c-parse.y: Likewise.
517 * c-tree.h: Likewise.
519 * cpplib.h: Likewise.
520 * c-decl.c: Likewise. Recognize options with names "*99" as well.
521 * cppinit.c: Likewise.
523 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
525 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
526 * c4x.c: Define the optab rtx values.
527 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
528 (c4x_emit_libcall): Use new optab rtx values.
529 (c4x_emit_libcall3): Likewise.
530 (c4x_emit_libcall_mulhi): Likewise.
531 * c4x-protos.h: Add prototypes for optab rtx values and change
532 prototypes for above c4x_emit_libcall functions.
534 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
536 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
538 (c4x_function_prologue): Use regnames intead of float_reg_names when
540 (c4x_function_epilogue): Likewise.
541 (c4x_print_operand): Likewise.
542 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
543 * c4x.md (set_high): Disable for TARGET_TI.
545 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
547 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
548 of framepointer + constant to ADDR_REGS class.
549 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
550 * c4x.c (std_or_reg_operand): New function.
551 * c4x-protos.h (std_or_reg_operand): Prototype it.
553 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
555 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
556 object names as libgcc2.c.
557 * libgcc.S: Use newly defined names.
559 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
560 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
562 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
563 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
564 (FLOW_LOOP_LAST_BLOCK): Likewise.
566 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
568 * basic-block.h (struct loop): New fields 'first' and 'last'.
569 * flow.c (flow_loops_find): Compute loop->first and loop->last.
570 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
571 and loop->last to check for NOTE_INSN_LOOP_END.
573 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
575 * predict.c (estimate_probability): Use the new FIRST and LAST fields
576 of the loop descriptor rather than HEADER and LATCH. Also added
577 missing break statements as well making some coding style modifications
578 as suggested by Michael Hayes.
580 2000-01-28 Richard Henderson <rth@cygnus.com>
582 * flow.c (find_basic_blocks): Remove do_cleanup argument.
583 Break out that code ...
584 (cleanup_cfg): ... here.
585 (commit_one_edge_insertion): Detect a return instruction being
586 emitted to an edge. Emit a barrier following; clear fallthru.
587 (commit_edge_insertions): Verify CFG consistency.
588 * function.c (expand_function_start): Kill unused variable.
589 (expand_function_end): Likewise.
590 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
591 to insert the epilogue.
593 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
594 (delete_null_pointer_checks): Likewise.
595 * output.h: Likewise.
596 * reg-stack.c (reg_to_stack): Likewise.
597 * toplev.c (rest_of_compilation): Likewise. Run
598 thread_prologue_and_epilogue_insns after rebuilding the CFG.
600 2000-01-28 Richard Henderson <rth@cygnus.com>
602 * Makefile.in (flow.o): Revert 24 Jan change.
603 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
604 FUNCTION_VALUE result to DECL_RESULT's mode.
606 * haifa-sched.c (schedule_insns): Don't recompute reg info
609 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
611 * configure.in: Make --enable-cpplib the default.
612 * configure: Regenerate.
613 * gcc.dg/990119-1.c: No longer expected to fail.
615 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
617 * jump.c (jump_optimize_1): Delete an optimization that is also done
618 by merge_blocks in flow.
620 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
622 * diagnostic.c (build_message_string, output_printf,
623 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
624 (build_location_prefix): Fix non-literal format string.
626 2000-01-27 Richard Henderson <rth@cygnus.com>
628 * alpha.md (trunctfsf2): New.
630 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
632 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
634 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
636 * cppinit.c (cpp_handle_option): Recognize C++ comments under
638 * cpplib.c (skip_block_comment, skip_line_comment): Split code
640 (skip_comment) ... here. Permit C++ comments in system
641 headers always. Warn about C++ comments in user code under
642 -std=gnu89 -pedantic.
643 (copy_comment): Use skip_comment.
644 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
646 (consider_directive_while_skipping, do_else, do_endif): Call
647 validate_else unconditionally.
648 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
649 text after the conditional in a system header.
650 * cpplib.h (struct cpp_buffer): Add flag
651 warned_cplusplus_comments.
653 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
655 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
656 Use unshare_all_rtl_1.
657 (unshare_all_rtl_again): New function.
658 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
660 * function.c (purge_addressof_1): Use unshare_all_rtl_again
661 rather than resetting the 'used' flags ourself.
663 * toplev.c (rest_of_compilation): Add current_function_decl
664 to the unshare_all_rtl call.
665 * tree.h: Prototype unshare_all_rtl.
666 * rtl.h: Prototype unshare_all_rtl_again here.
668 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
670 * genoutput.c (output_prologue): Include ggc.h in generated
672 * Makefile.in (insn-output.o): Depends on ggc.h.
674 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
675 Hans-Peter Nilsson <hp@bitrange.com>
677 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
678 Remove redundant include of xm-ns32k.h.
679 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
680 Remove redundant include of xm-ns32k.h.
681 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
682 Remove redundant include of xm-ns32k.h.
683 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
685 * ns32k/ns32k.h: Update comment on multiply-add instructions.
686 (TARGET_SWITCHES): Add documentation strings.
687 (DWARF_FRAME_REGNUM): Override default definition.
688 (REG_CLASS_CONTENTS): Add comments.
689 (SUBSET_P): Format to reduce line length.
690 (SMALL_REGISTER_CLASSES): Make a run time option.
691 (GO_IF_NONINDEXED_ADDRESS): Reformat.
692 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
693 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
694 (regclass_map): fix typo in comment.
695 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
696 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
697 (trace, reg_or_mem_operand): Delete, unused function.
698 (calc_address_cost): Small offsets are cheaper than large ones.
699 (expand_block_move): Generate more efficient code when bytes is a
700 known at compile time.
701 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
702 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
703 instead of reg_or_mem_operand.
705 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
706 not general_operand. Similarly use "=rm" or stricter, not "=g".
707 For input operands, use stricter constraints than "g" if not
708 general_operand. Similarly use stricter predicate than
709 "general_operand" when stricter constraints than "g" are present,
710 except for matching constraints.
711 (movstrsi): Use "memory_operand" for operands 0 and 1.
712 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
713 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
714 not reg_or_mem_operand.
715 (udivmoddisi4): Ditto.
716 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
717 Use nonimmediate_operand for operand 3, not register_operand.
718 (udivmoddiqi4_internal): Use register_operand for operand 1, not
721 2000-01-27 Fred Fish <fnf@be.com>
723 * gthr-posix.h: Fix typo; compatibily -> compatibility.
724 * gthr-single.h: Likewise.
725 * gthr-solaris.h: Likewise.
726 * gthr-vxworks.h: Likewise.
727 * gthr-win32.h: Likewise.
730 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
732 * cppinit.c: Add " (cpplib)" to end of string printed by
735 2000-01-27 Richard Henderson <rth@cygnus.com>
737 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
738 testing for a signed comparison.
739 (alpha_emit_floatuns): New.
740 * alpha-protos.h: Declare it.
741 * alpha.md (floatunsdisf2, floatunsdidf2): New.
744 2000-01-27 Jakub Jelinek <jakub@redhat.com>
746 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
747 no -g option specifying debugging format, default to -gstabs+.
749 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
751 * calls.c (special_function_p): New argument fork_or_exec.
752 (expand_call): When profile_arc_flag is set and the function
753 is in the fork_or_exec group, call __bb_fork_func first.
754 * libgcc2.c, _bb module (__bb_fork_func): New function.
755 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
757 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
758 * tree.h (special_function_p): Update prototype.
760 2000-01-26 Richard Henderson <rth@cygnus.com>
762 * alpha.c (alpha_split_tfmode_pair): New.
763 * alpha-protos.h: Declare it.
764 * alpha.md (abstf2, negtf2): New.
765 (movtf insn): Add input G constraint.
766 (movtf splitter): Use alpha_split_tfmode_pair.
768 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * i386/cygwin.h: PROTO -> PARAMS.
772 2000-01-26 Jakub Jelinek <jakub@redhat.com>
774 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
775 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
776 using _Qp_cmp/_Q_cmp and testing the return value.
777 (print_operand): Call reverse_condition_maybe_unordered if
778 we are handling CCFPmode or CCFPEmode.
779 Handle ORDERED, UN* and LTGT comparisons.
780 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
781 if not TARGET_HARD_QUAD.
782 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
783 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
784 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
785 Adjust gen_b* calls so that they reflect return comparison of
786 sparc_emit_float_lib_cmp.
788 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
790 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
791 incoming operands array is large enough for one more operand.
792 (alpha_emit_xfloating_arith): Likewise.
794 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
796 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
797 file with one line and no trailing newline.
798 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
799 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
800 checking if the match is on the line.
801 * fixinc/gnu-regex.c: Provide regerror not __regerror.
803 2000-01-25 Richard Henderson <rth@cygnus.com>
805 * sparc.c (output_cbranch): Fix accidental squashing of the
806 fp branch pre-delay nop.
808 2000-01-25 Richard Henderson <rth@cygnus.com>
810 * tree.def (UNNE_EXPR): Remove.
811 * c-typeck.c (build_binary_op): Don't handle it.
812 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
814 * rtl.def (UNNE): Remove.
816 * jump.c (reverse_condition): Update accordingly.
817 (swap_condition): Likewise.
818 (comparison_dominates_p): Handle unordered comparisons.
819 (reverse_condition_maybe_unordered): New.
820 * rtl.h (reverse_condition_maybe_unordered): Declare.
822 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
823 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
824 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
825 * sparc.md (bltgt): New.
827 2000-01-25 Nick Clifton <nickc@redhat.com>
829 * emit-rtl.c (emit_insn): Only check machine class insns for
830 improper emission of a RETURN.
832 2000-01-25 Richard Henderson <rth@cygnus.com>
834 * Makefile.in (flow.o): Depend on $(EXPR_H).
835 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
836 duplicate the structure of diddle_return_value for keeping regs live.
838 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
840 * loop.c (current_loop_info): Delete.
841 (consec_sets_invariant_p): Add loop argument, update callers.
842 (get_condition_for_loop): Likewise.
843 (count_nonfixed_reads, update_giv_derive): Likewise.
844 (simplify_giv_expr, general_induction_var): Likewise.
845 (consec_sets_giv, recombine_givs): Likewise.
846 (move_movables): Delete loop_start and loop_end arguments,
847 add loop argument, and update callers.
848 (find_mem_givs, check_final_value): Likewise.
849 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
850 (loop_invariant_p): Rename from invariant_p, add loop argument, and
852 (basic_induction_var): Add loop argument, delete loop_level argument,
854 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
855 add loop argument, and update callers.
856 (find_splittable_regs, find_splittable_givs): Likewise.
857 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
858 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
859 (biv_total_increment): Delete loop_start and loop_end arguments;
861 (precondition_loop_p): Delete loop_start and loop_info arguments;
863 * loop.h (get_condition_for_loop): Add loop argument.
864 (biv_total_increment): Delete loop_start and loop_end arguments.
865 (precondition_loop_p): Delete loop_start and loop_info arguments;
867 (final_biv_value): Delete loop_start and loop_end arguments;
869 (final_giv_value, back_branch_in_range_p): Likewise.
871 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
873 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
875 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
877 * Makefile.in (c-gperf.h) : Change the "See" pointer to
878 point to the new "generated_files" doc.
880 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
882 * config/fp-bit.c (_unord_f2): Fix typo.
884 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
886 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
887 c-typeck.c, objc/objc-act.c: Remove all references to obstack
888 functions obsoleted by GC, such as push_obstacks_nochange,
889 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
890 and code which existed only to decide whether or not to call
891 them. Remove now-unused NESTED argument from start_function;
892 all callers changed. Do not change behavior based on ggc_p.
893 The use of the ixp_obstack in c-iterate.c and the util_obstack
894 in objc/objc-act.c remain; these are not obsoleted by garbage
896 * c-tree.h: Update prototype for start_function.
898 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
900 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
902 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
905 2000-01-25 Richard Henderson <rth@cygnus.com>
907 * sparc-protos.h (select_cc_mode): Declare.
908 * sparc.c (select_cc_mode): New. Handle unordered compares.
909 (output_cbranch): Always reverse via code change. Handle
910 unordered compares. Factor tests and string updates.
911 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
912 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
913 * sparc.md (bunordered, bordered): New.
914 (bungt, bunlt, buneq, bunge, bunle): New.
916 2000-01-25 Richard Henderson <rth@cygnus.com>
918 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
919 * ggc-common.c (ggc_add_rtx_varray_root): New.
920 (ggc_mark_rtx_varray): New.
921 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
922 functions down below ggc_mark_foo.
923 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
925 2000-01-25 Richard Henderson <rth@cygnus.com>
927 * alpha.c (secondary_reload_class): Don't allocate a secondary
928 for integral mode memories into FLOAT_REGS. Rearrange the more
929 complicated memory expression inward.
931 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
933 * inclhack.def: Fixes to play nicer with FreeBSD, and
934 corrections to comments.
935 (cxx_unready): Add select expression.
936 (irix_sockaddr): Add bypass expression.
937 (machine_ansi_h_va_list): New fix.
938 (stdio_va_list): No need to edit _BSD_VA_LIST_.
939 Split out addition of "#include <stdarg.h>" to...
940 (stdio_stdarg_h): ... here.
941 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
942 to stdlib.h also. Do not munge _BSD_SIZE_T_.
943 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
945 (ultrix_ifdef): Tighten up select expression.
947 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
948 re_ct and max_mach to avoid use of shell. Make printed names
949 match names in inclhack.def. Use static copyright date.
950 Don't count c_test and test expressions as requiring regex_t
951 slots. Add some commentary.
952 * inclhack.tpl: Do not include the 'This script contains N
953 fixup scripts' line if PROGRAM is defined. Use static
956 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
958 * dwarf2out.c: include "varray.h", not dyn-string.h.
959 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
960 (addr_const_to_string, addr_to_string): Lose.
961 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
962 (struct dw_val_struct): val_addr is now an rtx.
963 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
964 (used_rtx_varray): New varray.
965 (dwarf2out_init): Initialize it.
967 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
969 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
970 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
971 * Makefile.in (dwarf2out.o): Update dependencies.
973 2000-01-24 Richard Henderson <rth@cygnus.com>
975 * i386.c (i386_dwarf_output_addr_const): New.
976 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
978 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
980 * dwarfout.c (output_mem_loc_descriptor): Likewise.
981 * i386.c (i386_simplify_dwarf_addr): New.
982 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
984 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
986 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
987 TYPE_STUB_DECL is NULL.
989 2000-01-24 Richard Henderson <rth@cygnus.com>
991 * builtins.c (expand_tree_builtin): Move ...
992 * c-common.c (expand_tree_builtin): ... here.
994 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
996 * loop.h (LOOP_INFO): New accessor macro.
997 * basic-block.h (struct loop): Rename field `info' to `aux'.
998 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
999 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1000 * unroll.c (loop_iterations, unroll_loop): Likewise.
1002 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1004 * config/i386/t-cygwin: Accomodate new winsup directory layout
1005 when searching for include files.
1007 2000-01-24 Richard Henderson <rth@cygnus.com>
1009 * rtl.def: Add unordered fp comparisions.
1010 * tree.def: Likewise.
1011 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1013 * builtins.c (expand_tree_builtin): New function.
1014 * c-typeck.c (build_function_call): Use it.
1015 (build_binary_op): Support unordered compares.
1016 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1018 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1019 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1020 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1021 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1022 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1024 (swap_condition): Handle unordered compares.
1025 (thread_jumps): Check can_reverse before reversing.
1026 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1029 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1030 setcc is present before acking for cmp_optab. Update all callers.
1031 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1032 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1033 * expr.c (expand_expr): Likewise. Support unordered compares.
1034 (do_jump, do_store_flag): Likewise.
1035 * expr.h (enum libfunc_index): Add unordered compares.
1037 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1038 (DPBIT_FUNCS): Add _unord_df.
1039 * config/fp-bit.c (_unord_f2): New.
1040 * fp-test.c (main): Try unordered compare builtins.
1042 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1043 * alpha.c (alpha_comparison_operator): Check mode properly.
1044 (alpha_swapped_comparison_operator): Likewise.
1045 (signed_comparison_operator): Likewise.
1046 (alpha_fp_comparison_operator): New.
1047 (alpha_emit_conditional_branch): Handle unordered compares.
1048 * alpha.h (PREDICATE_CODES): Update.
1049 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1050 (bunordered, bordered): New.
1052 2000-01-24 Richard Henderson <rth@cygnus.com>
1054 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1055 * alpha.md (movtf): New expander, insn, and splitter.
1057 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1059 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1062 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1064 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1065 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1066 REG_ALLOC_ORDER): Add frame pointer
1067 (FRAME_POINTER_REGNUM): Set to 20
1068 (HARD_FRAME_POINTER_REGNUM): New macro.
1069 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1070 to HARD_FRAME_POINTER.
1071 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1072 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1073 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1074 (HI_REGISTER_NAMES): Add "frame".
1075 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1076 (debug_reg): Handle FRAME_POINTER_REGNUM.
1077 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1078 GENERAL_REGS and INDEX_REGS.
1079 * i386.c (SAVED_REGS_FIRST): new macro.
1080 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1081 (ix86_decompose_address, memory_address_length): Likewise.
1082 (regclass_map): Add frame pointer.
1083 (call_insn_operand): Handle frame_pointer_rtx.
1084 (reg_no_sp_operand): Likewise.
1085 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1086 (print_operand, legitimize_pic_address): Fix formating.
1087 (ix86_compute_frame_size): Make static, update prototype, new
1088 parameters padding1, padding2, use ix86_nsaved_regs, use
1089 stack_alignment_needed.
1090 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1091 to HARD_FRAME_POINTER_REGNUM conversions.
1092 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1093 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1094 (print_reg): Abort on FRAME_POINTER_REGNUM
1096 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1098 * i386.h (PREDICATE_CODES): Add aligned_operand.
1099 * i386.c (aligned_operand): New function.
1100 (ix86_aligned_p): Kill.
1101 * i386.md (movhi_1): Emit mov for aligned operands.
1102 (promoting peep2s): Use aligned_operand.
1104 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1106 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1107 expression to allow underscores in macro names.
1108 (fix_char_macro_defines): Increment scanning pointer.
1110 2000-01-23 Richard Henderson <rth@cygnus.com>
1112 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1113 * alpha/osf5.h: New file.
1114 * configure.in (alpha-*-osf5): Add it to tm_file.
1116 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1118 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1119 (alpha_emit_xfloating_cvt, function_arg): Declare.
1120 * alpha.c (alpha_emit_conditional_branch): Call
1121 alpha_emit_xfloating_compare for TFmode compares.
1122 (alpha_lookup_xfloating_lib_func): New.
1123 (alpha_compute_xfloating_mode_arg): New.
1124 (alpha_emit_xfloating_libcall): New.
1125 (alpha_emit_xfloating_arith): New.
1126 (alpha_emit_xfloating_compare): New.
1127 (alpha_emit_xfloating_cvt): New.
1128 (print_operand): Add default abort case.
1129 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1130 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1131 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1132 (RETURN_IN_MEMORY): True for TF/TCmode.
1133 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1134 (FUNCTION_ARG): Move to function_arg.
1135 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1136 (ASM_OUTPUT_LONG_DOUBLE): New.
1137 (ASM_OUTPUT_DOUBLE): Always output bits.
1138 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1139 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1140 (extenddftf2, trunctfdf2): New.
1142 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1144 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1145 * config/sparc/sol2.h: ... here.
1147 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1149 * basic-block.h (struct loops): New field `levels'.
1150 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1151 (flow_loop_level_compute): Initialise level to 1.
1152 (flow_loops_find): Set loops->levels.
1153 (flow_loops_dump): Print loops->levels.
1155 2000-01-23 Richard Henderson <rth@cygnus.com>
1157 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1158 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1160 2000-01-23 Richard Henderson <rth@cygnus.com>
1162 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1163 * i386.h (DBX_REGISTER_NUMBER): Use them.
1164 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1165 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1166 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1167 * i386/sequent.h: Kill incorrect comment.
1169 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1171 * ggc-page.c (struct page_entry): Make `context_depth' an
1173 (struct globals): Likewise.
1175 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1177 * loop.c (check_dbra_loop): When checking a loop for
1178 reversability, check the source of any stores to ensure
1179 they don't depend on an initial value.
1181 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1183 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1185 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1187 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1188 'pz_scan' into scope of entire function. Only affects
1189 compiles with -DDEBUG.
1191 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1193 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1194 section naming to that prior to 2000-01-07 patch.
1195 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1196 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1197 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1198 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1199 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1201 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1203 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1206 2000-01-21 Jim Wilson <wilson@cygnus.com>
1208 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1209 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1211 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1213 * cpphash.c (change_newlines): Delete function.
1214 (struct argdata): Delete 'newlines' and 'use_count' fields.
1215 (macroexpand): Remove code referencing those fields.
1217 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1219 * loop.c (loops_info): New variable.
1220 (loop_optimize): Allocate loops->array and free it on exit.
1221 Allocate memory for loops_info and assign to each loop,
1223 (find_and_verify_loops): Do not allocate loops->array.
1225 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1227 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1229 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1231 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1232 pseudos if expanded after first flow.
1233 (movdi_pic_label_ref): Likewise.
1235 2000-01-20 Richard Henderson <rth@cygnus.com>
1237 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1239 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1241 * Makefile.in (fixinc.sh): Depend on specs.
1242 * fixinc/Makefile.in: Add rule to create machname.h.
1243 (fixlib.o): Depend on machname.h.
1244 * fixinc/fixtests.c (machine_name): New test.
1245 * fixinc/fixfixes.c (machine_name): New fix.
1246 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1247 the machine_name test and fix.
1248 * fixinc/fixlib.h: Prototype it.
1249 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1250 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1252 * gcc.c (do_spec_1) [case P]: Take care not to create
1253 identifiers with three leading or trailing underscores.
1255 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1256 (fixincl): Don't specify libraries twice on link line.
1257 (gnu-regex.o): Remove special rule.
1258 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1259 defined by config.h. Do not define _REGEX_RE_COMP.
1260 (regcomp): Allocate and initialize a fastmap.
1261 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1263 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1265 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1267 2000-01-19 Richard Henderson <rth@cygnus.com>
1269 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1270 arguments with BB. Update all callers. Tidy line wrapping.
1272 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1274 * emit-rtl.c (try_split): Return last_insn if we split the
1277 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1279 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1280 (ix86_initial_elimination_offset): Declare.
1281 * i386.c (ix86_nsaved_regs): Break out from ...
1282 (ix86_can_use_return_insn_p): ... here.
1283 (ix86_emit_save_regs): Break out from ...
1284 (ix86_expand_prologue): ... here.
1285 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1287 (ix86_expand_epilogue): ... here.
1288 (ix86_compute_frame_size): Make static, add prototype.
1289 (ix86_initial_elimination_offset): Break out from ...
1290 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1292 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * recog.h (OUT_FCN): Delete.
1296 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1298 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * cppalloc.c: PROTO -> PARAMS.
1301 * cpperror.c: Likewise.
1302 * cppfiles.c: Likewise.
1303 * cpplib.c: Likewise.
1304 * cpplib.h: Likewise.
1306 * config/arm/arm-protos.h: PROTO -> PARAMS.
1307 * config/arm/arm.c: Likewise.
1308 * config/c4x/c4x.c: Likewise.
1309 * config/fr30/fr30-protos.h: Likewise.
1310 * config/nextstep.c: Likewise.
1311 * config/pa/pa.c: Likewise.
1312 * config/pj/pj.c: Likewise.
1313 * config/rs6000/rs6000.c: Likewise.
1314 * config/v850/v850-protos.h: Likewise.
1315 * config/v850/v850.c: Likewise.
1317 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1319 * i370-protos.h: New file.
1321 * i370.c: Include tm_p.h. Fix compile time warnings.
1323 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1326 * i370.md: Likewise.
1328 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1330 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1331 (target_isinf, target_isnan, eisnan): Mark parameter with
1333 (eiisinf): Wrap in INFINITY.
1334 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1335 (ibmtoe): Remove unused variable `rndsav'.
1337 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1339 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1340 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1342 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1344 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1345 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1346 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1348 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1349 Recognize Emacs mode markers also.
1350 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1351 C++ comments in C++ headers. Call is_cxx_header only if
1354 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1356 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1357 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1358 ... these, which use the new C fixes.
1359 (math_exception): Escape literal '+' in bypass expression.
1361 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1364 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1366 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1369 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1371 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1372 prior to calling scan_loop.
1374 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1376 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1377 (split_branches, calc_live_regs): Likewise.
1379 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1381 * sh.md (fpu_single, fp_mode): New attributes.
1383 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1385 * loop.c (current_loop_info): Renamed from loop_info_data
1386 and changed to a pointer.
1387 (loop_optimize): Allocate loop_info structure for each loop
1388 and initialise to zero.
1389 (scan_loop): Set current_loop_info.
1391 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1394 2000-01-19 Richard Henderson <rth@cygnus.com>
1396 * stupid.c: Die die die.
1397 * Makefile.in (OBJS): Remove stupid.o.
1398 (stupid.o): Likewise.
1400 * except.c (emit_eh_context): Don't emit USEs for stupid.
1401 * explow.c (probe_stack_range): Likewise.
1402 * flags.h (obey_regdecls): Remove.
1403 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1404 when not optimizing.
1405 (life_analysis): Limit data collection when not optimizing.
1406 (mark_regs_live_at_end): Always mark the return value registers.
1407 (mark_used_regs): Remove dummy RETURN case.
1408 (print_rtl_with_bb): Don't consult obey_regdecls.
1409 * function.c (use_variable, use_variable_after): Remove.
1410 (assign_parms): Consult optimize not obey_regdecls.
1411 (expand_function_start): Don't emit USEs for stupid.
1412 (expand_function_end): Likewise.
1413 * global.c (build_insn_chain): Export.
1414 * integrate.c (expand_inline_function): Kill return-value USE
1416 * jump.c (jump_optimize_1): Do simple jump optimizations and
1417 dead code elimination.
1418 (calculate_can_reach_end): Remove check_deleted argument.
1419 (delete_insn): Patch out insns even when not optimizing.
1420 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1421 * rtl.h (use_variable, use_variable_after): Remove declarations.
1422 (build_insn_chain): Declare.
1423 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1424 (expand_end_bindings): Likewise.
1425 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1426 * toplev.c (obey_regdecls): Remove.
1427 (rest_of_compilation): Don't set it. Kill stupid in favour of
1428 flow1, local-alloc, and reload.
1429 (main): Don't set obey_regdecls.
1431 * config/nextstep.c (handle_pragma): Likewise.
1433 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1435 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1437 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1439 * alpha-protos.h: PROTO -> PARAMS.
1440 * alpha.c: Likewise.
1442 * h8300.c: Likewise.
1443 * i386-protos.h: Likewise.
1445 * m32r-protos.h: Likewise.
1448 * mips.md: Likewise.
1449 * gmon-sol2.c: Likewise.
1450 * sparc.c: Likewise.
1452 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1454 * ns32k-protos.h: New file.
1456 * ns32k.c: Fix compile time warnings.
1458 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1461 * ns32k.md: Likewise.
1463 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1465 * vax-protos.h: New file.
1467 * vax.c: Fix compile time warnings.
1469 * vax.h: Move prototypes to vax-protos.h. Fix compile time
1474 * vaxv.md: Likewise.
1476 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1478 * romp-protos.h: New file.
1480 * romp.c: Fix compile time warnings.
1482 * romp.h: Move prototypes to romp-protos.h. Fix compile time
1485 * romp.md: Likewise.
1487 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1489 * we32k-protos.h: New file.
1491 * we32k.c: Fix compile time warnings.
1493 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
1496 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1498 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
1500 * except.c (eh_regs): Likewise.
1502 * final.c (output_operand): Likewise.
1504 * fold-const.c (target_isinf, target_isnan): Likewise.
1506 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
1508 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
1509 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
1511 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
1513 (clrstrsi): Rewrite.
1514 (strsethi, strsetqi): New expanders.
1515 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
1516 (cmpstrsi): Emit compare insn before cmpstrsi_1
1517 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
1518 (strlensi_1): Likewise.
1519 (cmpstrsi_1): Likewise; do not output compare.
1520 (strlen expander): Do not unroll when optimizing for size.
1521 (*subsi3_carry): Rename to subsi3_carry
1522 (addqi3_cc): New pattern.
1523 * i386.h (processor_costs): Add move_ratio field.
1524 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
1525 * i386.c (*_cost): Set move_ratio.
1526 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
1527 (x86_expand_strlensi_1): Rewrite the main loop.
1529 2000-01-17 Richard Henderson <rth@cygnus.com>
1531 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
1532 * cse.c (find_comparison_args, fold_rtx): Likewise.
1533 * integrate.c (subst_constants): Likewise.
1534 * loop.c (get_condition): Likewise.
1536 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
1538 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
1540 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1542 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
1543 (RESTORE_WARN_FLAGS): Unpack it.
1544 Change semantic type of extension to ttype.
1545 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
1546 * c-parse.y, c-parse.c, objc/objc-parse.y,
1547 objc/objc-parse.c: Regenerate.
1549 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
1551 * fixinc/fixlib.c: Add copyright notice.
1552 (compile_re): New function.
1553 * fixinc/fixlib.h: Prototype compile_re.
1555 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
1556 Use compile_re to compile regular expressions.
1558 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
1559 where the pattern matched.
1561 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
1563 (ultrix_ansi_compat): Likewise.
1564 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
1566 (interactv_add2, interactv_add3): Delete.
1567 (x11_sprintf): Don't use filename glob.
1568 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
1571 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1573 * print-rtl.c: PROTO -> PARAMS.
1575 * reg-stack.c: Likewise.
1576 * resource.c: Likewise.
1577 * sdbout.h: Likewise.
1578 * simplify-rtx.c: Likewise.
1579 * stor-layout.c: Likewise.
1580 * stupid.c: Likewise.
1581 * xcoffout.c: Likewise.
1582 * xcoffout.h: Likewise.
1584 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1586 * toplev.c: PROTO -> PARAMS.
1587 * toplev.h: Likewise.
1590 * unroll.c: Likewise.
1591 * varasm.c: Likewise.
1592 * varray.c: Likewise.
1593 * varray.h: Likewise.
1595 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * reload.c: PROTO -> PARAMS.
1598 * reload.h: Likewise.
1599 * reload1.c: Likewise.
1600 * reorg.c: Likewise.
1601 * resource.h: Likewise.
1604 * rtlanal.c: Likewise.
1605 * sbitmap.h: Likewise.
1606 * sdbout.c: Likewise.
1607 * stack.h: Likewise.
1609 * system.h: Likewise.
1611 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1613 * machmode.h: PROTO -> PARAMS.
1614 * mbchar.h: Likewise.
1615 * mips-tdump.c: Likewise.
1616 * mips-tfile.c: Likewise.
1617 * optabs.c: Likewise.
1618 * output.h: Likewise.
1619 * prefix.c: Likewise.
1620 * profile.c: Likewise.
1621 * protoize.c: Likewise.
1623 * recog.c: Likewise.
1624 * recog.h: Likewise.
1625 * regclass.c: Likewise.
1626 * regmove.c: Likewise.
1629 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1631 * ggc-common.c: PROTO -> PARAMS.
1632 * ggc-page.c: Likewise.
1633 * ggc-simple.c: Likewise.
1635 * global.c: Likewise.
1636 * graph.c: Likewise.
1637 * gthr-win32.h: Likewise.
1638 * haifa-sched.c: Likewise.
1639 * halfpic.h: Likewise.
1640 * integrate.c: Likewise.
1641 * integrate.h: Likewise.
1644 * local-alloc.c: Likewise.
1648 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1650 * genattr.c: PROTO -> PARAMS.
1651 * genattrtab.c: Likewise.
1652 * gencheck.c: Likewise.
1653 * gencodes.c: Likewise.
1654 * genconfig.c: Likewise.
1655 * genemit.c: Likewise.
1656 * genextract.c: Likewise.
1657 * genflags.c: Likewise.
1658 * gengenrtl.c: Likewise.
1659 * genopinit.c: Likewise.
1660 * genoutput.c: Likewise.
1661 * genpeep.c: Likewise.
1662 * genrecog.c: Likewise.
1664 2000-01-16 Mark Mitchell <mark@codesourcery.com>
1666 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
1668 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1670 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
1671 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
1672 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
1673 * configure, config.in: Rebuilt.
1675 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
1677 * config/i386/i386.md: Add peephole to merge successive stack
1680 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
1682 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
1683 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
1684 when walking backwards to find all the parameter loads when
1685 the basic block ends in a call.
1687 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1689 * loop.c (this_loop_info): Delete.
1690 (uid_loop): Add in place of uid_loop_num. All uses updated.
1691 (loop_number_exit_count): Delete and replace with entry in loop
1692 structure. All uses updated.
1693 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1694 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
1695 (loop_outer_loop): Likewise.
1696 (loop_invalid, loop_number_exit_labels): Likewise.
1697 (loop_used_count_register): Delete and replace with entry in
1698 loop_info structure.
1699 (find_and_verify_loops): Add loops argument.
1700 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
1701 loop_end, etc. arguments with loop structure pointer. All callers
1703 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
1704 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
1705 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
1706 (insert_bct): Likewise.
1707 (basic_induction_var): New argument level.
1708 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
1709 vtop, and cont. Add used_count_register.
1710 (uid_loop): Delete declaration.
1711 (loop_number_exit_count): Likewise.
1712 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1713 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
1714 (loop_outer_loop, loop_used_count_register): Likewise.
1715 (loop_invalid, loop_number_exit_labels): Likewise.
1716 (unroll_loop): Replace loop_start and loop_end arguments
1717 with loop structure pointer.
1718 (loop_precondition_p, loop_iterations): Likewise.
1719 Include basic-block.h.
1720 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
1721 with loop structure pointer.
1722 (loop_precondition_p, loop_iterations): Likewise.
1723 * basic-block.h (struct loop): New entries vtop, cont,
1724 cont_dominator, start, end, top, scan_start, exit_labels,
1726 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
1728 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1730 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
1732 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
1734 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
1736 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1738 * pdp11-protos.h: New file.
1740 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
1743 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
1746 * pdp11.md: Likewise.
1750 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * mn10300-protos.h: New file.
1754 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
1757 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
1760 * mn10300.md: Likewise.
1762 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1764 * mn10200-protos.h: New file.
1766 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
1769 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
1772 * mn10200.md: Likewise.
1774 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1776 * h8300-protos.h: New file.
1778 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
1781 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
1784 * h8300.md: Likewise.
1786 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1788 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
1789 (asm_emit_uninitialised): Likewise.
1791 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
1793 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
1794 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
1796 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1798 * config/mips/mips.c (override_options): Don't turn on extra
1799 alignment for mips16.
1801 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1803 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
1804 eabi, and make sure queued POSTINCREMENT rtl is emitted at
1807 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1809 * builtins.c (PAD_VARARGS_DOWN): Define.
1810 (std_expand_builtin_va_arg): Use the above macro.
1811 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
1812 * tm.texi (Register Arguments): Document the above macro.
1814 2000-01-14 Nick Clifton <nickc@cygnus.com>
1816 * emit-rtl.c (emit_insn): If checking is enabled, make sure
1817 that this function has not been used to emit a jump
1820 * jump.c (return_jump_1): Cope with being passed a null rtx.
1822 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1824 * eh-common.h: PROTO -> PARAMS.
1825 * emit-rtl.c: Likewise.
1826 * errors.c: Likewise.
1827 * errors.h: Likewise.
1828 * except.c: Likewise.
1829 * except.h: Likewise.
1830 * explow.c: Likewise.
1831 * expmed.c: Likewise.
1834 * final.c: Likewise.
1835 * fix-header.c: Likewise.
1837 * fold-const.c: Likewise.
1838 * function.c: Likewise.
1839 * function.h: Likewise.
1841 * gcov-io.h: Likewise.
1845 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1847 * sh-protos.h: New file.
1849 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
1850 Add static prototypes. Fix compile time warnings.
1852 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
1856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1858 * arc-protos.h: New file.
1860 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
1863 * arc.h: Move prototypes to arc-protos.h. Fix compile time
1868 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * dsp16xx-protos.h: New file.
1872 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
1875 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
1878 * dsp16xx.md: Likewise.
1880 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * convex-protos.h: New file.
1884 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
1887 * convex.h: Move prototypes to convex-protos.h. Fix compile time
1890 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * elxsi-protos.h: New file.
1894 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
1897 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
1900 * elxsi.md: Likewise.
1902 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1904 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
1905 case for moving from HI/LO/HI_LO_REG. This makes the behavior
1906 match the comment for MIPS16.
1908 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
1910 * flow.c (split_edge): Do not call set_block_for_insn if we
1911 do not have a basic_block_for_insn structure.
1913 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
1914 and destination functions are 32bit aligned within the trampoline.
1915 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
1916 (TRAMPOLINE_ALIGNMENT): Define.
1918 * cse.c (cse_insn): When changing (set (pc) (reg)) to
1919 (set (pc) (label_ref)), verify the change creates a valid insn.
1921 * fr30.c (call_operand): Tighten and rework to match rules for
1922 call RTL expressions.
1923 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
1924 * fr30.md (call patterns): Improve constraints.
1926 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
1928 * fr30.c (fr30_expand_epilogue): Revert last change.
1929 Use emit_jump_insn for the return insn.
1931 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
1932 Stan Cox <scox@cygnus.com>
1934 * predict.c: New file. Preliminary infrastructure work for static
1935 branch prediction and basic block reordering.
1936 * basic-block.h: Add prototype for estimate_probability.
1937 * Makefile.in: Add rules for predict.o.
1939 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
1941 * fixincludes (va_list): Use __not_va_list__ for the dummy.
1942 * fixinc/*: Likewise.
1944 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * cccp.c: PROTO -> PARAMS.
1948 * collect2.c: Likewise.
1949 * combine.c: Likewise.
1950 * convert.h: Likewise.
1952 * dbxout.c: Likewise.
1953 * dbxout.h: Likewise.
1954 * diagnostic.c: Likewise.
1955 * doprint.c: Likewise.
1956 * dwarf2out.c: Likewise.
1957 * dwarf2out.h: Likewise.
1958 * dwarfout.c: Likewise.
1959 * dwarfout.h: Likewise.
1960 * dyn-string.h: Likewise.
1962 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1964 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
1965 macro conditionals guarding use.
1967 * dwarf2out.c: Include "tm_p.h".
1969 * function.c (locate_and_pad_parm): Mark parameter with
1971 (expand_function_end): Likewise for variable `context'.
1973 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
1975 2000-01-13 Nick Clifton <nickc@cygnus.com>
1977 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
1978 register to prevent compile time warnings.
1980 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
1982 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
1983 to avoid -Wtraditional warning.
1985 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1987 * 1750a-protos.h: New file.
1989 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
1992 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
1995 * 1750a.md: Likewise.
1997 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1999 * a29k-protos.h: New file.
2001 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2004 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2007 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * clipper-protos.h: New file.
2011 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2014 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2017 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2019 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2021 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2023 * configure.in (--enable-new-gxx-abi): New option.
2024 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2025 * Makefile.in (GXX_ABI_FLAG): New variable.
2026 * configure: Regenerate.
2028 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2030 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2031 * tm.texi (FORCE_STRUCT_BLK): Document.
2032 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2034 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2036 * config/ns32k/ns32k.md: Revert Jan 9 change.
2038 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2039 to a mode-test, if the predicate is address_operand.
2041 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2043 * combine.c (if_then_else_cond): Be careful about what kinds
2044 of RTL expressions are passed to operand_subword.
2046 * flow.c (split_edge): If we have to insert a new jump, make
2047 sure to associate it with a basic block.
2049 * flow.c (commit_one_edge_insertion): A block with one successor
2050 can end in a JUMP_INSN that is not a simplejump.
2052 2000-01-12 Robert Lipe <robertl@sco.com>
2054 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2055 (BUILD_VA_LIST_TYPE): Define.
2056 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2059 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2061 * cccp.c (do_pragma): Add cast to (char *).
2063 2000-01-12 Richard Henderson <rth@cygnus.com>
2064 Fred Fish <fnf@be.com>
2065 Jason Merrill <jason@cygnus.com>
2067 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2068 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2069 * i386/beos-elf.h, i386/beos-pe.h: New files.
2071 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2072 * cross-make (SYSTEM_HEADER_DIR): Define using
2073 CROSS_SYSTEM_HEADER_DIR.
2075 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2076 (process_command): Use it.
2077 (main): Likewise. Kill trailing = from env vars.
2078 (build_search_list): Put it back.
2079 * collect2.c (main): Use LIBRARY_PATH_ENV.
2081 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2082 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2084 * tm.texi (Frame Layout): Document SMALL_STACK.
2085 * c-common.c (c_common_nodes_and_builtins): Check it.
2087 * system.h: Undef alloca after including glibc's <stdlib.h>,
2088 if USE_C_ALLOCA is defined.
2090 * gcc.c (set_input): New fn.
2091 (main): After all input files are compiled, reset the input file
2094 * aclocal.m4 (rindex, index): If already defined, don't attempt
2097 * ginclude/varargs.h: (__va_list__): Define ifndef.
2098 * ginclude/stdarg.h: Likewise.
2100 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2101 instead of unsigned char.
2103 * hash.h (true, false, boolean): Undef before enum.
2105 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2106 proper type of "HOST_WIDE_INT *", rather than their natural type of
2107 "unsigned HOST_WIDE_INT *".
2109 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2111 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2113 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2115 * regclass.c (choose_hard_reg_mode): Likewise.
2117 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2119 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2121 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2123 * c-common.c: PROTO -> PARAMS.
2124 * c-common.h: Likewise.
2125 * c-decl.c: Likewise.
2126 * c-iterate.c: Likewise.
2127 * c-lang.c: Likewise.
2128 * c-lex.c: Likewise.
2129 * c-lex.h: Likewise.
2130 * c-parse.in: Likewise.
2131 * c-pragma.c: Likewise.
2132 * c-pragma.h: Likewise.
2133 * c-tree.h: Likewise.
2134 * c-typeck.c: Likewise.
2135 * objc/objc-act.c: Likewise.
2136 * objc/objc-act.h: Likewise.
2138 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * m88k-protos.h: New file.
2142 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2145 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2147 * m88k.md: Likewise.
2149 * tekXD88.h: Likewise.
2151 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2153 * m68k-protos.h: New file.
2155 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2158 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2160 * mot3300.h: Likewise.
2162 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2164 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2166 (extract_bitlist): Declare bitlen.
2168 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2170 * cccp.c: Accept and ignore -lang-fortran.
2172 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2173 qualifiers don't match at any level of pointerness.
2175 2000-01-12 Robert Lipe <robertl@sco.com>
2177 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2179 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2181 * reload1.c (reload_reg_unavailable): New static variable.
2182 (reload_reg_free_p): Test it.
2183 (reload_reg_free_for_value_p): Test it instead of
2185 (choose_reload_regs_init): Compute it.
2187 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2189 * reorg.c (fill_slots_from_thread): Check modified_in_p
2192 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2194 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2195 these nodes even if INTERNALS is not set.
2197 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2199 * gcse.c (delete_null_pointer_checks_1): Cope when
2200 get_condition cannot determine the condition.
2202 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2204 * toplev.h (set_message_length): Declare.
2206 * diagnostic.c (obstack_chunk_alloc): Define macro.
2207 (obstack_chunk_free): Likewise.
2208 (struct output_buffer): New data structure.
2210 (output_maximum_width): New variable.
2211 (doing_line_wrapping, set_message_length, init_output_buffer,
2212 get_output_prefix, output_space_left, emit_output_prefix,
2213 output_newline, output_append, output_puts, dump_output,
2214 vbuild_message_string, build_message_string, build_location_prefix,
2215 voutput_notice, output_printf, line_wrapper_printf,
2216 vline_wrapper_message_with_location): New functions. Implement
2217 automatic line wrapping.
2218 (v_message_with_decl): Make it handle automatic line wrapping.
2219 (v_error_with_file_and_line): Likewise.
2220 (v_warning_with_file_and_line): Likewise.
2221 (announce_function): Likewise.
2222 (default_print_error_function): Likewise.
2224 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2226 * cpplib.h (struct cpp_options): Change lang_asm to char.
2228 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2229 done in cpp_handle_option now.
2230 (initialize_builtins): Take out special case code used only by
2232 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2233 if -traditional. Recognize -lang-fortran and set
2234 lang_fortran, also turn off cplusplus_comments.
2235 (print_help): Document -lang-fortran.
2236 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2237 lang_asm. Ignore all directives other than `# 123 "file"' if
2239 (cpp_get_token): If -traditional, don't recognize directives
2240 unless the # is in column 1.
2241 (parse_string): If lang_fortran or lang_asm, silently
2242 terminate strings ('' or "") at end of line.
2243 Remove unnecessary braces.
2245 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2246 Richard Henderson <rth@cygnus.com>
2248 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2250 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2251 strict_low_part when possible.
2253 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2255 * alias.c: PROTO -> PARAMS.
2256 * basic-block.h: Likewise.
2257 * bitmap.c: Likewise.
2258 * bitmap.h: Likewise.
2259 * builtins.c: Likewise.
2260 * c-aux-info.c: Likewise.
2261 * caller-save.c: Likewise.
2262 * calls.c: Likewise.
2264 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2266 * Makefile.in (toplev.o): Depend on regs.h.
2268 * output.h (tdesc_section): Prototype.
2270 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2272 * sdbout.c: Include "tm_p.h".
2274 * toplev.c: Include "regs.h".
2276 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2278 * unroll.c (unroll_loop): Add EH support.
2280 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * pa-protos.h: New file.
2284 * pa.c: Include recog.h and tm_p.h.
2285 (compute_zdepwi_operands, compute_movstrsi_length,
2286 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2287 find_addr_reg, import_milli): Add static prototypes.
2288 (pa_cpu_string, pa_arch_string): Constify a char*.
2289 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2290 (read_only_operand): Add argument `mode'.
2291 (singlemove_string, output_move_double, output_fp_move_double,
2292 output_block_move, output_and, output_ior, output_ascii,
2293 remove_useless_addtr_insns, milli_names, output_mul_insn,
2294 output_div_insn, output_mod_insn, output_arg_descriptor,
2295 output_cbranch, output_bb, output_bvb, output_dbra, ,
2296 output_millicode_call, output_call, hppa_encode_label,
2297 output_parallel_movb, output_parallel_addb): Constify a char*.
2298 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2299 (output_parallel_addb): Remove extra arg to `constrain_operands'
2301 * pa.h: Move all prototypes to pa-protos.h.
2302 (pa_cpu_string, pa_arch_string): Constify a char*.
2303 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2305 * pa.md: Call `function_label_operand' with mode argument.
2306 Likewise for `read_only_operand'.
2307 Fix nesting of parens in call to `symbolic_operand'.
2309 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2311 * i860-protos.h: New file.
2313 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2316 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2318 * i860.md: Likewise.
2320 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2322 * i386.md (movstrsi expander): Rewrite.
2323 (movstrsi_1 insn): Deleted.
2324 (strmovhi, strmovqi expander): New expanders.
2325 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2326 * i386.c (x86_single_stringop): New global variable.
2327 * i386.h (x86_single_stringop): Declare.
2328 (TARGET_SINGLE_STRINGOP): New macro.
2330 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2332 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2333 integer vararg POSTINCREMENT before the destination of the jump
2334 for the hard fp case.
2335 (function_arg_pass_by_reference): Pass a copy of CUM to
2338 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2339 for CONSTANT_ADDRESS_P above while loop for subreg.
2341 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2343 * flow.c (propagate_block): When a prologue/epilogue insn
2344 is marked dead, unconditionally clear libcall_is_dead and
2345 insn_is_dead, and only dump rtl if warnings aren't being
2348 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2350 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2351 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2352 (FIXED_REGISTERS): Set dirflag as fixed.
2353 (CALL_USED_REGISTERS): Set dirflag as used.
2354 (REG_ALLOC_ORDER): Set dirflag as last one.
2355 (DIRFLAG_REG): New macro.
2356 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2357 (HI_REGISTER_NAMES): Add dirflag.
2358 (DEBUF_PRINT_REG): Handle dirflag.
2359 * i386.md (type attribute): New cld and str types.
2360 (length_opcode attribute): Set cld and str to 1.
2361 (memory attribute): Set str to unknown - it is not clear from the
2363 (pent_np function unit): Prefixed string operations takes 12 cycles
2364 minimally; cld takes 2 cycles.
2365 (ppro_uops attribute): Str is "many" and cld is "few".
2366 (ppro_p0 unit): Handle cld here.
2367 (k6_alux unit): Handle cld and str types.
2368 (k6_load unit): It is ocupied by str opcodes.
2369 (k6_store unit): It is ocupied by str opcodes.
2370 (athlon_decode): Str is vector decoded.
2371 (athlon_ieu): Handle str and cld.
2373 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2374 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2375 cmpstrsi_nz_1 insn): Do not output cld instruction
2377 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2379 * gcc.texi (G++ and GCC): Add Java and Chill.
2380 (Bug Critera): Don't list languages.
2382 * gcc.texi (Incompatibilities): No longer claim most C compilers
2385 * gcc.texi (G++ and GCC): Update other front-ends list.
2387 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2389 * i386.c (ix86_expand_setcc): Fix typo.
2390 (ix86_expand_movcc): Similarly.
2392 * Band-aid until haifa's bitset implementation is nuked.
2393 * haifa-sched.c (extract_bitlst): New parameter for size of the
2394 bitset in bits. All callers changed. Avoid looking at undefined
2396 (edgeset_bitsize): New variable.
2397 (schedule_region): Initialize edgeset_bitsize.
2399 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2401 * Makefile.in (optabs.o): Depend on real.h
2402 (resource.o): Depend on insn-attr.h
2404 * builtins.c (result_vector): Wrap prototype in macro conditions
2405 governing definition and use.
2407 * c-common.c: Include tm_p.h.
2409 * c-lex.c: Likewise.
2411 * elfos.h: Constify a char*.
2413 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2414 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2415 parameter with ATTRIBUTE_UNUSED.
2417 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2420 * haifa-sched.c (schedule_insns): Mark parameter with
2423 * optabs.c: Include real.h.
2425 * real.h (ereal_atof): Add prototype arguments.
2427 * resource.c: Include insn-attr.h.
2429 * sdbout.c (sdbout_queue_anonymous_type,
2430 sdbout_dequeue_anonymous_types): Wrap in macro
2431 SDB_ALLOW_FORWARD_REFERENCES.
2432 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2435 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2437 * stupid.c: Include tm_p.h.
2439 * tree.c (real_value_from_int_cst): Mark parameter with
2442 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2444 * i960-protos.h: New file.
2446 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2449 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2451 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2453 * combine.c (expand_field_assignment): Do not discard SUBREGs
2454 while computing nonzero_bits.
2456 2000-01-09 Nick Clifton <nickc@cygnus.com>
2458 * config/arm/arm.c: Fix compile time warnings about signed vs
2460 * config/arm/arm.h: Fix compile time warnings about signed vs
2463 2000-01-09 Philip Blundell <philb@gnu.org>
2465 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2466 than `ldm' with only one register.
2467 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
2470 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
2473 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
2475 * config/ns32k/ns32k.md (load or push effective address): Operand 1
2478 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2480 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2481 assignment used as truth value.
2483 * function.c (assign_temp): Mark parameter `dont_promote' with
2484 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
2485 PROMOTE_FOR_CALL_ONLY.
2487 * genrecog.c (write_subroutine): Mark variable `operands' with
2490 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
2493 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
2494 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
2496 * toplev.c (note_deferral_of_defined_inline_function): Likewise
2499 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2501 * config/c4x.h: Tidy up comments.
2502 * config/c4x.c: Likewise.
2504 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
2506 * fold-const.c (lshift_double, rshift_double): Handle
2507 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
2509 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2511 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
2512 in prepare_function_start().
2514 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
2516 * config/v850/v850.c (expand_epilogue): Interrupt functions no
2517 longer allocate extra stack for function calls.
2519 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2521 * config/c4x/c4x.md (*subqf3_set): Fix typo.
2523 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2525 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
2527 2000-01-07 David Edelsohn <edelsohn@gnu.org>
2529 * rs6000.c (processor_target_table): Add power3 as alias for 630.
2530 * aix43.h: Revert Aug 2 change.
2531 (HAS_INIT_SECTION): Define, not visible yet.
2532 (LD_INIT_SWITCH): Define, not visible yet.
2533 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
2535 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
2537 * collect2.c (main): Expand ld2 size further.
2538 (export_object_lst): Cast assignment to avoid warning.
2539 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
2540 (scan_prog_file, COFF): Do not collect initialization or
2541 finalization functions generated for entire shared object if
2542 init/fini support present.
2544 2000-01-07 Nick Clifton <nickc@cygnus.com>
2546 * config/elfos.h: Tidy up formatting of marcos. Make sure
2547 that .section directives are always prefixed by a tab.
2549 * config/svr4.h: Add #include "elfos.h" and remove duplicate
2552 2000-01-07 Matt Austern <austern@sgi.com>
2554 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
2557 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
2559 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
2561 (crtbegin.o, s-crtS): Likewise.
2563 2000-01-06 Richard Henderson <rth@cygnus.com>
2565 * alpha.md (adddi_2+1): Limit offset such that it will be
2566 loadable with a single ldah+lda pair.
2567 (adddi_2+2): Explicitly fail split if we can't make it work.
2569 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
2571 * protoize.c: Conditionally include unistd.h.
2572 (IS_SAME_PATH_CHAR): New macro.
2573 (IS_SAME_PATH): New macro.
2574 (CPLUS_FILE_SUFFIX): New macro.
2575 (cplus_suffix): New static variable.
2576 (is_abspath): New static function.
2577 (in_system_include_dir): Handle DOS style pathnames.
2578 (file_could_be_converted): Likewise.
2579 (file_normally_convertible): Likewise.
2580 (directory_specified_p): Likewise.
2581 (file_excluded_p): Likewise.
2582 (abspath): Likewise.
2583 (shortpath): Likewise.
2584 (referenced_file_is_newer): Likewise.
2585 (save_def_or_dec): Likewise.
2586 (do_processing): Likewise.
2588 (edit_file): Likewise. Use rename instead of link.
2589 (rename_c_file): Likewise. Don't rename syscalls file.
2590 (munge_compile_params): Define null device for DOS based systems.
2591 (process_aux_info_file): Use binary mode if appliable.
2592 (edit_file): Likewise.
2593 * invoke.texi (Running Protoize): Document C++ suffixes used.
2595 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
2596 IS_DIR_SEPARATOR macros.
2597 * collect2.c: Likewise.
2598 * cppinit.c: Likewise.
2599 * dwarf2out.c: Likewise.
2602 * prefix.c: Likewise.
2604 * toplev.c: Likewise.
2605 * system.h: And move to here.
2607 * prefix.c (update_path): Fix typo in variable name.
2609 2000-01-06 Richard Henderson <rth@cygnus.com>
2611 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
2612 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
2613 (count_reg_sets_1, count_reg_references): Likewise.
2614 (flow_loops_level_compute): Start counting actual loop depth at 1.
2615 (flow_loops_find): Likewise.
2616 * local-alloc.c (update_equiv_regs): Likewise.
2617 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
2619 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
2621 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
2622 FIRST_PSEUDO_REGISTER
2623 * dwarf2out.c: Don't include frame.h
2624 * dwarfout.c: Likewise
2625 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
2628 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
2630 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2633 * i386.c (movsf splitter): Fix typo in my last checkin.
2635 2000-01-05 Nick Clifton <nickc@cygnus.com>
2637 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
2638 own definition of this macro.
2639 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
2640 flag_data_sections or UNIQUE_SECTION_P are true.
2642 * tm.texi (UNIQUE_SECTION): Document that it can be called for
2643 unitialised data decls.
2645 * config/i386/winnt.c (i386_pe_unique_section): Cope with
2646 being called for uninitialised data.
2648 * config/i386/interix.c (i386_pe_unique_section): Cope with
2649 being called for uninitialised data.
2651 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
2652 for uninitialised data.
2654 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
2655 for uninitialised data.
2657 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
2658 for uninitialised data.
2660 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
2661 (UNIQUE_SECTION_P): Always generate a unique section if
2662 flag_data_sections is true.
2663 (UNIQUE_SECTION): Also generate unique sections for
2665 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
2666 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
2669 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2671 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
2674 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2676 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
2677 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
2678 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
2679 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
2680 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
2682 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
2684 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
2686 * c-decl.c (finish_enum): Simplify code to determine minimum and
2687 maximum values of the enum, and calculate the type. Remove check
2688 for FUNCTION_DECLs in the values list, which cannot happen. Replace
2689 the DECL_INITIAL of each enumeration constant with a copy converted
2690 to the enumeration type. When updating variant types, don't bother
2691 updating the type itself.
2693 * c-typeck.c (build_binary_op): Simplify conditional expressions
2694 when weeding out spurious signed-unsigned warnings. Add new
2695 spurious warning category: if the unsigned quantity is an enum
2696 and its maximum value fits in signed_type(result_type). Update
2698 (build_conditional_expr): Warn here if one alternative is signed
2699 and the other is unsigned.
2701 2000-01-05 Nick Clifton <nickc@cygnus.com>
2703 * config/fr30/fr30.h: Remove extraneous comments.
2705 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
2707 * reload1.c (choose_reload_regs): When disabling a reload, also
2708 set reload_spill_index to -1.
2710 2000-01-04 Joel Sherrill (joel@OARcorp.com>
2712 * configure.in (m68*-*-rtemscoff*): New target, formal name for
2714 (m68*-*-rtemself*): New target.
2715 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
2716 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
2717 (sparc*-*-rtemself*): New target.
2718 (sparc*-*-rtems*): Now elf not a.out.
2719 * config/i386/rtems.h: Include config/rtems.h.
2720 * config/i386/rtemself.h: Include config/rtems.h.
2721 * config/i960/rtems.h: Include config/rtems.h.
2722 * config/m68k/rtems.h: Include config/rtems.h.
2723 * config/m68k/rtemself.h: Include config/rtems.h.
2724 * config/mips/rtems64.h: Include config/rtems.h.
2725 * config/pa/rtems.h: Include config/rtems.h.
2726 * config/rs6000/rtems.h: Include config/rtems.h.
2727 * config/sh/rtems.h: Include config/rtems.h.
2728 * config/sh/rtemself.h: Include config/rtems.h.
2729 * config/sparc/rtems.h: Include config/rtems.h.
2730 * config/sparc/rtemself.h: Include config/rtems.h
2732 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
2734 * final.c (shorten_branches): Correctly compute length of
2735 asms without operands.
2737 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
2739 * configure.in: Add pj target.
2740 * configure: Regenerate.
2741 * config/pj: New directory.
2742 * config/pj/lib1funcs.S: New file.
2743 * config/pj/linux.h: New file.
2744 * config/pj/pj.c: New file.
2745 * config/pj/pj.md: New file.
2746 * config/pj/pjl.h: New file.
2747 * config/pj/t-pj: New file.
2748 * config/pj/xm-pj.h: New file
2750 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
2752 * toplev.c (rest_of_compilation): Run shorten-branches before
2755 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2757 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
2758 macros so that they're consistent with their names.
2759 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
2760 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
2762 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2764 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
2765 modified inadvertently.
2767 2000-01-04 Joel Sherrill <joel@OARcorp.com>
2769 * configure.in (v850*-*-rtems*): New target.
2770 * configure: Regenerate.
2771 * config/v850/rtems.h: New file.
2773 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
2775 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
2776 (__gthread_key_create): Likewise.
2777 (__gthread_key_dtor): Likewise.
2778 (__gthread_once): Fix logic.
2779 (__gthread_key_delete): Cast away constness.
2781 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
2782 * invoke.texi: Document.
2783 * i386/mingw32.h (CPP_SPEC): Use.
2784 (LIBGCC_SPEC): Likewise.
2785 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
2787 2000-01-04 David Edelsohn <edelsohn@gnu.org>
2789 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
2790 (HANDLE_PRAGMA_PACK): Undefine.
2791 (SLOW_UNALIGNED_ACCESS): Define.
2793 2000-01-04 David Edelsohn <edelsohn@gnu.org>
2795 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
2796 to default definition.
2797 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
2798 (store_fixed_bit_field): Call macro with word_mode and alignment.
2799 (extract_bit_field): Call macro with relevant mode and alignment.
2800 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
2801 to default definition.
2802 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
2804 (move_by_pieces_ninsns): Likewise.
2805 (clear_by_pieces): Likewise.
2806 (emit_push_insn): Likewise.
2807 (store_field): Call macro with relevant mode and alignment.
2808 (expand_expr): Likewise.
2809 (expand_expr_unaligned): Likewise.
2811 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
2812 (SLOW_UNALIGNED_ACCESS): Define.
2813 (CASE_VECTOR_MODE): Always use 32-bit offsets.
2814 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
2815 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
2816 (toc_section): Likewise and .toc pseudo-op.
2817 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
2819 (TEXT_SECTION_ASM_OP): Likewise.
2820 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
2823 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
2824 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
2825 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
2826 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
2827 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
2829 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
2831 * regclass.c: Revert my Jan 4 change to loop cost computation.
2833 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2835 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
2838 2000-01-04 Stan Cox <scox@cygnus.com>
2840 * haifa-sched.c (build_control_flow): Change unreachable simple
2841 loop test to check if current block has only one predecessor.
2842 (find_rgns): Initialize degree. Use dest as degree index, not src.
2844 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2846 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
2848 * calls.c (expand_call): Likewise for
2849 `old_stack_arg_under_construction'.
2851 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
2853 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
2856 * gcc.c (execute): Likewise for `ut' and `st'.
2858 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
2860 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
2862 * jump.c (jump_optimize_1): Likewise for `temp2'.
2864 * local-alloc.c (block_alloc): Likewise for `r1'.
2866 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
2868 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
2869 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
2871 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
2874 * reload.c (find_reloads): Likewise for `goal_alternative_number'
2875 and `goal_earlyclobber'.
2877 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
2879 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
2881 * stupid.c (stupid_life_analysis): Likewise for `chain'.
2883 * unroll.c (copy_loop_body): Likewise for `copy'.
2885 * varasm.c (output_constructor): Likewise for `byte'.
2887 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2889 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
2890 all FP constants for constant->reg moves.
2891 (ix86_split_to_parts): Try to convert memory address into immediate
2892 when available in the constant pool.
2893 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
2895 (LEGITIMATE_CONSTANT_P): Return 1.
2896 * i386.md (pushsf): New splitter to convert constant pool memory
2897 reference to immediate.
2898 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
2901 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
2903 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
2904 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
2905 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
2906 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
2907 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
2909 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
2911 * ginclude/stdbool.h: Support compilation as C++.
2913 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2915 * fold-const.c (make_range): Don't try to reverse an unbounded range.
2917 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
2919 * regclass.c (regclass): Properly compute loop_cost. Adjust
2922 * regclass.c: Fix minor whitespace problems.
2924 2000-01-03 Anthony Green <green@cygnus.com>
2926 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
2927 Restore the pic register if required.
2929 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
2931 * c-common.c (format_char_info): Update comment.
2932 (check_format_info): Recognize 'z' modifier in the same way 'Z'
2933 was recognized. Emit warning for formats new in ISO C99 only
2934 if flag_isoc9x is not set.
2936 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
2938 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
2940 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2942 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
2943 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
2944 (make_compound_operation): Choose cheaper alternative between
2945 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
2947 * regclass.c (op_costs): Remove global variable.
2948 (record_reg_classes): New parameter "op_costs" and "reg_pref".
2949 (record_operand_costs): Break out from ...
2950 (scan_one_insn): ... here.
2951 (dump_regclass): Make dumps nicer.
2952 (regclass): Dump preferrences choosed and changes done during passes.
2954 2000-01-03 Jakub Jelinek <jakub@redhat.com>
2956 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
2958 2000-01-03 Jakub Jelinek <jakub@redhat.com>
2960 * config/sparc/sparc.c (gen_df_reg): New function.
2961 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
2962 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
2963 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
2964 movtf_cc_reg_sp64+1): Use it.
2966 2000-01-02 Mark Mitchell <mark@codesourcery.com>
2968 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
2971 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
2973 * config/i386/i386.c (ix86_expand_unary_operator): Function
2974 definition made void.
2975 (ix86_expand_binary_operator): Update outdated preceding comment.
2976 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
2979 * config/i386/i386.c (override_options): Fix option-name typo.
2981 2000-01-02 Mark Mitchell <mark@codesourcery.com>
2983 * system.h (CEIL): Define.
2984 * builtins.c (CEIL): Remove.
2985 * expmed.c (CEIL): Likewise.
2986 * expr.c (CEIL): Likewise.
2987 * stor-layout.c (CEIL): Likewise.
2989 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2991 * expr.c (store_constructor_field): Fix typo introduced with last
2994 2000-01-01 Mark Mitchell <mark@codesourcery.com>
2996 * tree.h (BINFO_N_BASETYPES): New macro.
2998 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3000 * expmed.c (emit_store_flag): Prevent losing a pending stack
3001 adjust the same way we prevent losing queued increments.
3003 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3005 * function.c (update_temp_slot_address): Handle case where sum of
3006 temporary address plus offset in register is a valid address.
3008 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3010 * genrecog.c (change_state) Corrected typo.
3012 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3014 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3015 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3016 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3018 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3020 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3021 case, expand GT comparisons correctly. Fix a comment before this
3024 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3026 * dwarfout.c: Include "frame.h"
3027 * dwarf2out.c: Likewise.
3028 * Makefile.in (dwarfout.o): Depend on frame.h
3029 (dwarf2out.o): Likewise.
3031 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3033 Restore i386 binary compatibility in Dwarf EH info.
3034 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3035 value of FIRST_PSEUDO_REGISTER.
3036 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3037 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3038 * dwarfout.c (output_reg_number): Ditto.
3039 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3040 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3042 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3044 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3045 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3046 (<hack>_RE_CT): not needed
3047 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3048 rewritten to scan the file text once only
3049 "template<..." test added
3050 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3051 (is_cxx_header): declaration added
3052 * fixinc/fixtests.c(is_cxx_header): removed
3053 (apply_fix_p_t): removed
3054 (double_slash_test): is_cxx_header is only called once now
3055 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3056 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3057 within the templates.
3058 The borken spelling of "broken" was fixed.
3059 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3060 The default level depends on FIXINC_DEBUG.
3062 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3064 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3065 Otherwise provide a declaration for atexit.
3066 (init_dummy): Make sure dummy call to atexit is nevertheless
3067 called with correct number of args.
3069 * frame.c: Update comments referring to other files.
3071 * libgcc2.c: Likewise.
3073 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * cse.c (free_element, get_element): Remove unused prototypes.
3077 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3080 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3083 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3085 * configure.in,configure: case arm for mn10200-*-* now sets
3086 float_format=i32 so that float.h will correctly claim "double"
3087 to be 32 bits. Ran autoconf to generate configure from .in file.
3089 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3091 * pa.md (conditional zero): If op1 is a register, force it into
3092 the same register as op0.
3094 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3096 * tree.h (BINFO_BASETYPES): Improve documentation.
3098 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3100 * configure.in (--enable-checking): Use a more portable `for'
3103 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3106 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3108 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3111 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3112 Delete descriptions.
3114 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3115 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3116 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3117 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3118 xm-svr4.h: Remove all instances of sys_siglist handling.
3120 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3122 * config/sparc/sparc.md (cmp_zero_qi,
3123 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3124 cmp_zero_extendqidi2_andcc_set): New patterns.
3126 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3128 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3129 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3130 (fpgnulib.c, xfgnulib.c): Add rules.
3131 * m68k/t-mot3300-gas: Likewise.
3133 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3135 * configure.in: Avoid [[ by using test and changequote. Add
3136 changequote required by 1999-12-14 change.
3137 * configure: Rebuild.
3139 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3141 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3143 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3145 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3146 * flow.c (find_use_as_address): Likewise.
3147 * function.c (fixup_var_refs_1): Likewise.
3148 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3149 * jump.c (invert_exp, redirect_exp): Likewise.
3150 * loop.c (replace_call_address): Likewise.
3151 (count_nonfixed_reads): Likewise.
3152 * rtlanal.c (modified_between_p): Likewise.
3153 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3154 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3155 * unroll.c (remap_split_bivs): Likewise.
3157 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3159 * diagnostic.c (v_message_with_decl): Use .* format specifier
3160 instead of building the format specifier width manually.
3162 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3163 determining whether to provide a prototype. Remove the
3164 sys_siglist clause in the conditional.
3166 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3168 * fold-const.c (operand_equal_p): Use memcmp to compare string
3170 Suggested by D. J. Bernstein
3172 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3174 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3175 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3177 * config/mips/mips.h (TARGET_64BIT): Likewise.
3178 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3179 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3180 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3181 dsps. Give routines proper names if SI/DI modes are not used.
3182 * longlong.h: Use DWunion instead of DIunion.
3184 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3186 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3187 GC_CHECKING, GC_ALWAYS_COLLECT.
3188 * configure.in: Allow --enable-checking with an argument
3189 listing check modes to enable.
3190 * config.in, configure: Rebuilt.
3191 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3192 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3193 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3194 ENABLE_GC_ALWAYS_COLLECT.
3195 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3197 * tree.h, tree.c: Change ENABLE_CHECKING to
3198 ENABLE_TREE_CHECKING throughout.
3200 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3202 * fold-const.c (fold_truthop): Properly check for FP RHS.
3204 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3206 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3207 * toplev.c (note_deferral_of_defined_inline_function): New
3208 function, split out from ...
3209 (rest_of_compilation): ... here. Use it.
3211 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3213 * expr.c (store_constructor): Don't call clear_storage if size is
3216 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3218 * Makefile.in (toplev.o): Depend on loop.h.
3220 * dwarfout.c: Include tm_p.h.
3222 * emit-rtl.c (restore_emit_status): Mark parameter with
3225 * final.c (final_scan_insn): Likewise.
3227 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3228 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3229 flow_depth_first_order_compute, flow_loop_pre_header_find,
3230 flow_loop_tree_node_add, flow_loops_tree_build,
3231 flow_loop_level_compute, flow_loops_level_compute,
3232 flow_loop_outside_edge_p): Add prototypes.
3233 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3235 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3236 Mark with ATTRIBUTE_NORETURN.
3238 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3240 * local-alloc.c (no_conflict_p): Likewise.
3242 * loop.c (insert_bct): Hide definitions of variables with hidden
3244 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3246 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3247 with ATTRIBUTE_UNUSED.
3248 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3249 (reg_scan): Likewise.
3251 * reload.c (find_reloads): Remove unused variables `changed'.
3253 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3255 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3256 Remove unused variable `insn'.
3258 * toplev.c: Include loop.h.
3259 (report_file_and_line): Remove unnecessary prototype.
3261 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3263 * unroll.c (biv_total_increment): Likewise.
3265 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3267 * reload1.c (emit_input_reload_insns): Restore old behaviour
3268 wrt. 'special' reloads.
3270 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3272 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3273 hash.h. (cse.c): Don't depend on hashtab.h.
3275 * cse.c: Don't include hashtab.h.
3276 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3278 * ggc-simple.c: Don't include hash.h.
3280 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3282 * dwarf2out.c (add_abstract_origin_attribute): Call
3283 gen_abstract_function on our function context.
3285 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3287 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3289 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3291 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3294 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3296 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3297 constraints to "a!r".
3299 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3301 * Makefile.in (calls.o): Depend on function.h.
3302 (alias.o): Likewise.
3304 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3306 * reload1.c (emit_reload_insns): Break out code and variables into...
3307 (input_reload_insns, other_input_address_reload_insns,
3308 other_input_reload_insns, input_address_reload_insns,
3309 inpaddr_address_reload_insns, output_reload_insns,
3310 output_address_reload_insns, outaddr_address_reload_insns,
3311 operand_reload_insns, other_operand_reload_insns,
3312 other_output_reload_insns): ... new static variables, and...
3313 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3314 do_output_reload): ... new functions.
3316 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3318 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3320 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3322 * md.texi: Add c4x constraints documentation.
3324 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3326 * config/i386/dgux.c (struct option): Rename to
3327 lang_independent_option.
3328 (struct m_options): Add description field.
3329 (output_options): Rename option type, add sep declaration, output
3330 ix86_cpu_string and ix86_arch_string only if set.
3331 (output_file_start): Rename option type.
3333 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3335 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3337 (libgcc2.a): Similarly.
3339 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3341 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3342 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3343 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3345 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3347 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3348 Remove redundant initialization of "frexpon" and "expon".
3350 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3352 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3354 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3355 (store_constructor_field, expand_expr): Pass new arg.
3357 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3359 * Makefile.in (explow.o): Depend on function.h.
3361 * stor-layout.c (set_sizetype): Fix typo.
3363 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3365 * function.c (cfun): Renamed from current_function. All users
3367 * function.h (cfun): Rename declaration as well.
3369 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3370 to be of type regset_head, not regset. All users changed by adding
3372 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3374 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3376 * config/c4x/rtems.h: New file.
3378 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3380 * reload1.c (spill_failure): Take class of failed reload as argument
3381 and print it. Caller changed.
3383 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3385 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3386 (TARGET_SWITCHES): Allow subtargets to default switches.
3387 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3389 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3391 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3394 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3396 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3397 * cppinit.c (cpp_handle_option): Likewise.
3399 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3400 determine when to define.
3402 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3404 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3405 cmove with mismatched test and data modes.
3407 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3409 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3412 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3414 * alias.c: Minor reformatting.
3417 * stor-layout.c: Likewise.
3418 * fold-const.c: Likewise.
3419 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3420 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3422 (size_int_wide): Cache nodes even if garbage collecting.
3423 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3424 of SAVE_EXPR has no side effects.
3425 * cse.c: Move a comment.
3426 * tree.c: Minor reformatting.
3427 (int_size_in_bytes): Return -1 if constant overflows.
3429 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3431 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3433 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3435 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3436 after any change to c-parse.in, even if objc-parse.y didn't
3439 1999-12-18 David S. Miller <davem@redhat.com>
3441 * toplev.c (rest_of_compilation): Restore BLOCK tree
3442 reconstruction and branch shortening changes lost in
3443 December 18th change.
3445 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3447 * config/arm/linux-elf.h: Change all instances of
3448 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3449 * config/arm/uclinux-elf.h: Likewise.
3451 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3453 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3454 v_message_with_decl, file_and_line_for_asm,
3455 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3456 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3457 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3458 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3459 pfatal_with_name, fatal_io_error, need_error_newline,
3460 last_error_function, last_error_tick, announce_function,
3461 default_print_error_function, print_error_function,
3462 report_error_function, fnotice, error_with_file_and_line,
3463 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3464 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3465 warning_with_decl, warning_for_asm, warning, pedwarn,
3466 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
3468 (compile_file): Use fnotice instead of notice. Adjust call.
3470 * diagnostic.c: New file.
3472 * Makefile.in (OBJS): Include diagnostic.o
3473 (diagnostic.o): Define dependence.
3475 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3477 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
3480 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3482 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
3484 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3486 * fixtests.c (is_cxx_header): New fn, split out of
3488 (else_endif_label): Allow "#endif // comment" in C++ headers,
3489 as determined by is_cxx_header.
3490 * fixfixes.c (else_endif_label_fix): Update comment.
3491 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
3493 * genfixes: Correct double thinko in commandline parsing.
3494 * hackshell.tpl: Generate correct sh syntax for bypass
3497 * inclhack.def (all): Whenever an inserted preprocessor
3498 conditional is split over multiple lines, use double
3499 backslashes in this file so the fixed header will be readable.
3501 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
3502 and add bypass entry for correct version of this header.
3503 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
3504 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
3506 (hpux8_bogus_inlines): New fix, split from...
3507 (ultrix_atof_param) ... here.
3508 (math_expression): Add bypass entry keyed to glibc comment
3509 indicating the problem has been dealt with; disable
3510 unnecessary sed operations; update commentary.
3511 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
3512 add select and bypass entries, simplify shell operation.
3513 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
3515 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
3516 ultrix_atof_param): Add select entry.
3517 (stdio_va_list, sunos_mather_decl): Add bypass entry.
3518 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
3519 comments with the fixes they describe.
3521 * c-parse.in (string action): Do not warn about ANSI string
3522 concatenation in system headers. Affects C parser only.
3523 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
3525 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3527 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
3528 compiling libgcc2 the macro depends always on arch cpp defines.
3530 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
3532 * loop.c (insert_loop_mem): Don't record MEMs from inside
3535 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
3537 * regclass.c (regclass): Do not use flowgraph when not optimizing.
3539 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
3540 notes too, create one when replacement failed, attempt to simplify
3542 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
3545 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3547 * crtstuff.c (__dso_handle): Declare.
3548 (__cxa_finalize): Likewise.
3549 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
3552 * invoke.texi: Document -fuse-cxa-atexit.
3554 * tree.h (ptr_type_node): Document.
3555 (const_ptr_type_node): Likewise.
3557 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3559 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
3560 (optimize_reg_copy_2): Likewise.
3561 (optimize_reg_copy_3): Likewise.
3562 (fixup_match_2): Likewise.
3563 (regmove_optimize): Likewise.
3564 (fixup_match_1): Liekwise.
3566 * i386.md (HI to SImode promoting splitters): Rewrite.
3567 (pushsf mem peep2): New.
3568 (testhi to andhi peep2): Remove.
3569 * i386.h (x86_promote_QImode): New.
3570 (TARGET_PROMOTE_QImode): New.
3571 (PREDICATE_CODES): Add promotable_binary_operator.
3572 * i386.c (x86_promote_QImode0: New.
3573 (promotable_binary_operator): New.
3574 * i386-protos.h (promotable_binary_operator): New.
3576 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
3578 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
3580 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3582 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
3583 * function.c (insert_block_after_note): Remove.
3584 (retrofit_block): Likewise.
3585 (identify_blocks): Fix indentation.
3586 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
3587 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
3588 * function.h (insert_block_after_note): Remove prototype.
3589 (retrofit_block): Likewise.
3590 * integrate.c (expand_inline_function): Don't call
3591 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
3592 just expand_start_bindings. Use the block_map to remap old
3593 NOTE_BLOCKs to new ones.
3594 (integrate_decl_tree): Keep track of remapped blocks.
3595 * integrate.h (struct inline_remap): Add block_map.
3596 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
3597 NOTE_BLOCK on the notes.
3598 (expand_start_bindings): Rename to ...
3599 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
3600 (expand_end_bindings): Set NOTE_BLOCK.
3601 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
3602 reconstruct the BLOCK tree.
3603 * tree.h (expand_start_bindings): Macroize. Call ...
3604 (expand_start_bindings_and_block): New function.
3606 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3608 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
3609 to match the format.
3611 1999-12-16 David S. Miller <davem@redhat.com>
3613 * expr.c (emit_move_insn_1): Only emit clobbers if one of
3614 the outputs is a SUBREG.
3615 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
3618 * config/sparc/sparc.c (epilogue_renumber): Add default case
3621 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3623 * toplev.c (rest_of_compilation): Run branch shortening after
3626 * regclass.c (loop_depth): Remove
3627 (scan_one_insn): Do not handle LOOP_NOTE insns.
3628 (regclass): Go through basic blocks and set loop_cost
3630 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
3632 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
3634 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3636 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
3637 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
3638 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
3640 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
3642 * loop.c (insert_loop_mem): Ignore memory clobbers.
3644 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
3647 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
3649 * profile.c: Remove redundant #include "output.h".
3651 * h8300.md (HImode preinc peephole): Fix typo.
3653 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3655 * function.c (retrofit_block): Abort if we don't find a suitable insn.
3656 (insert_block_after_note): Abort if we don't have a previous block.
3657 Remove FN parameter.
3658 * function.h: Adjust.
3660 1999-12-15 Mark Mitchell <mark@codesourcery.com>
3662 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
3663 argument more than once.
3665 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3667 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
3669 1999-12-15 Jakub Jelinek <jakub@redhat.com>
3671 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
3673 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3675 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
3676 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
3677 update stack_alignment_needed.
3678 (prepare_function_start): Initialize stack_alignment_needed
3679 * function.h (struct function): Add field stack_alignment_needed.
3681 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3683 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
3684 Handle live_throughout / dead_or_set instead of live_before /
3686 (save_call_clobbered_regs): Get register livenessinformation from
3687 chain->live_throughout.
3688 (add_stored_regs): New function.
3689 (insert_restore, insert_save): Add restored / saved registers to
3691 * global.c (reg_dies): New parameter chain.
3692 (reg_becomes_live): Third parameter is regs_set now.
3693 Changed all callers.
3694 (reg_dies): New parameter chain. Changed all callers.
3695 (build_insn_chain): Set live_throughout instead of
3696 live_before / live_after.
3697 * reload.h (struct insn_chain): Replace members live_before /
3698 live_after with live_throughout / dead_or_set.
3699 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
3700 instead of live_before / live_after.
3701 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
3702 (order_regs_for_reload, find_reg, finish_spills): Likewise.
3703 (choose_reload_regs_init): Likewise.
3704 * stupid.c (current_chain, find_clobbered_regs): Delete.
3705 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
3706 instead of chain->live_before / chain->live_after.
3707 (mark_hard_ref): New function.
3708 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
3710 1999-12-15 David S. Miller <davem@redhat.com>
3712 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
3714 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3716 * flow.c (calculate_loop_depth): Make global, remove prototype,
3717 rewrite to use new loop infrastructure.
3718 (find_basic_block): Remove calculate_loop_depth call.
3719 * toplev.c (rest_of_compilation): Call find_basic_block.
3720 * output.h (calculate_loop_depth): Declare.
3722 * flow.c (dump_flow_info): Dump loop_depth.
3723 (flow_loops_nodes_find): Increase loop_depth for basic block in the
3725 (flow_loops_find): Initialize the loop_depth for each basic block.
3727 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3729 * tree.c (decl_function_context): Handle virtual functions.
3731 * tlink.c (scan_linker_output): Don't look in demangled name when
3732 looking for linker output keywords.
3734 * dwarfout.c (output_type): We can defer namespace-scope classes.
3736 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
3738 * regclass.c (record_reg_classes): Update comment for merging
3739 register class preferences in reg->reg copies. Tighten conditions
3740 for merging register class preferences in reg->reg copies.
3742 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
3744 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
3746 1999-12-14 Geoff Keating <geoffk@cygnus.com>
3748 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
3749 (INIT_SECTION_ASM_OP): Delete.
3750 (FINI_SECTION_ASM_OP): Delete.
3751 (STARTFILE_SPEC): Define to hold just crtbegin.o.
3753 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
3755 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
3756 the abstract origin wasn't emitted.
3758 * dwarf2out.c (class_scope_p): New fn.
3759 (gen_subprogram_die): Use it.
3760 (gen_variable_die): Use it. Tweak logic.
3761 (gen_struct_or_union_type_die): Check context_die to determine
3762 if we're function-local.
3763 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
3765 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3767 * loop.c (check_dbra_loop): Can't reverse a biv that has
3770 1999-12-14 Nick Clifton <nickc@cygnus.com>
3772 * config/arm/arm.c: Add support for -mcpu=arm720 command line
3775 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3777 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
3778 for givs made from biv increments.
3780 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
3782 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
3783 * alpha.c (override_options): Recognize -mcpu=ev67.
3784 * alpha.h (CPP_CPU_EV67_SPEC): New.
3785 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
3786 (EXTRA_SPECS): Update.
3788 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
3790 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
3791 appropriate for -lang-c89 and -std=*.
3792 * cppinit.c (cpp_handle_option): Likewise.
3793 (new_pending_define): New, split out from cpp_handle_option.
3794 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
3795 or enable trigraphs for -ansi/-std=*.
3797 * ginclude/stdarg.h (__va_copy): New.
3798 (va_copy): Don't define for C89.
3800 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
3802 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
3803 for long long multiply-accumulate.
3805 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3807 * regclass.c (scan_one_insn): Set loop_cost to 1 when
3808 optimizing for size.
3810 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3812 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
3813 if something changed. Back out that part of yesterday's changes.
3815 * loop.c (loop_max_reg): New static variable.
3816 (loop_optimize): Initialize it. Eliminate one unnecessary call to
3818 (scan_loop): Call reg_scan_update whenever we may have added new
3819 registers, and update loop_max_reg.
3821 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3823 * regclass.c (record_reg_classes): Do not do the copying preferrencing
3824 when source does not die.
3826 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
3828 1999-12-14 Jakub Jelinek <jakub@redhat.com>
3830 * config/sparc/linux64.h (TARGET_LIVE_G0,
3831 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
3833 * config/sparc/linux.h (TARGET_LIVE_G0,
3834 TARGET_BROKEN_SAVERESTORE): Likewise.
3835 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
3836 TARGET_BROKEN_SAVERESTORE): Likewise.
3838 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
3839 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
3841 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
3842 as sparc64 block profiling register.
3843 * config/sparc/sparc.c (sparc_override_options): Allow block
3844 profiling with -m32.
3845 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
3847 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
3848 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
3849 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
3851 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
3853 * config/sparc/sparc.h: Likewise.
3854 * config/sparc/xm-sysv4-64.h: Likewise.
3855 * config/float-sparc.h: Likewise.
3856 * glimits.h: Likewise.
3857 * longlong.h: Likewise.
3859 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
3860 (ASM_IDENTIFY_GCC): Remove.
3862 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3864 * combine.c (combine_simplify_rtx): Don't make shared rtl.
3865 (simplify_logical): Likewise.
3867 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
3869 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
3870 * cppfiles.c (INO_T_EQ): Likewise.
3872 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
3874 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
3875 * i386/mingw32.h (LIB_SPEC): Likewise.
3876 (STARTFILE_SPEC): Likewise.
3877 * i386/uwin.h (LIB_SPEC): Likewise.
3878 (STARTFILE_SPEC): Likewise.
3880 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
3881 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
3883 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
3885 * combine.c (combine_simplify_rtx): Fix order of checks for
3886 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
3888 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
3890 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
3891 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
3893 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
3895 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
3897 * regclass.c (inv_reg_alloc_order): New array.
3898 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
3900 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
3901 counted_for_groups, counted_for_nongroups. Add fields rld and
3903 * reload.c (push_secondary_reload): Don't set nongroup field of
3905 (push_reload): Likewise.
3906 (find_reloads): Delete code to compute nongroup fields.
3907 * reload1.c (reload_insn_firstobj): New static variable.
3908 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
3910 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
3911 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
3912 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
3914 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
3916 (struct hard_reg_n_uses): Deleted.
3917 (potential_reload_regs): Deleted.
3918 (init_reload): Initialize spilled_pseudos and pseudos_counted.
3919 (reload): Don't try to allocate reload registers if we already know
3920 we have to make another pass. Call select_reload_regs. Free memory
3921 starting with reload_firstobj when starting another pass.
3922 Don't allocate spilled_pseudos.
3923 (calculate_needs_all_insns): Call copy_reloads for an insn that
3924 needs reloads; don't call calculate_needs.
3925 (spill_cost): New static array.
3926 (used_spill_regs_local): New static variable.
3927 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
3928 to compute potential_reload_regs.
3929 (find_reload_regs): Completely rewritten to use find_reg.
3930 (allocate_reload_reg): Don't test counted_for_groups or
3931 counted_for_nongroups. Lose NOERROR arg and code to give an error;
3933 (choose_reload_regs): Add fallback code that uses the existing
3934 register allocation from find_reload_regs.
3936 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
3938 * flow.c (create_edge_list): Cast xmalloc return value.
3940 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
3942 * doprnt.c: Remove incorrect comment closure.
3944 * cse.c: Fix a few minor whitespace goofs.
3946 1999-12-13 Don Bowman <don@pixstream.com>
3948 * mips/vxworks.h: Fix problem with comment termination.
3949 (EXTRA_SECTIONS): Add in_sbss.
3950 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
3952 1999-12-12 David S. Miller <davem@redhat.com>
3954 * cse.c (struct cse_reg_info): Add hash_next member,
3955 reorder rest of struct for better packing on 64-bit
3957 (cse_reg_info_tree): Kill.
3958 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
3959 REGHASH_FN): New custom pow2 hash mechanism.
3961 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
3962 use a pow2 hash table.
3963 (get_cse_reg_info): Rework to use new REGHASH.
3964 (new_basic_block): Likewise, use HASH_SIZE, and inline
3966 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
3967 and inline free_element call.
3968 (lookup_as_function, insert, flush_hash_table, invalidate,
3969 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
3970 invalidate_for_call, use_related_value, find_comparison_args,
3971 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
3972 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
3975 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
3977 * cse.c (cse_basic_block): Free qty_table consistently.
3979 1999-12-12 David S. Miller <davem@redhat.com>
3980 Jakub Jelinek <jakub@redhat.com>
3982 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
3983 SUBREGs by hand, gen the appropriate hard reg directly.
3984 (movtf reg/mem split): Likewise and alter_subreg on destination
3986 (movtf mem/reg split): Similarly.
3987 (movdf_cc_sp64): Rename from hidden pattern.
3988 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
3989 (movtf_cc_sp64, following split): New pattern and splitter.
3990 (movdf_cc_reg_sp64): Rename from hidden pattern.
3991 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
3993 (movtf_cc_reg_sp64, following split): New pattern and splitter.
3995 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
3997 * loop.c (load_mems): Don't hoist written floating point mem
4000 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4002 * except.h (struct eh_queue): Add `next' pointer.
4003 (struct eh_status): Make x_ehqueue a pointer.
4004 (push_ehqueue): Declare.
4005 (pop_ehqueue): Likewise.
4006 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4008 (expand_fixup_region_end): Likewise.
4009 (expand_leftover_cleanups): Likewise.
4010 (push_ehqueue): Define.
4011 (pop_ehqueue): Likewise.
4012 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4013 than doing it inline.
4014 (expand_start_all_catch): Adjust now that ehqueue is a
4016 (mark_eh_queue): Mark all level of the queue.
4017 (mark_eh_status): Adjust now that ehqueue is a
4019 (init_eh_for_function): Allocate ehqueue.
4020 (free_eh_status): Free it.
4021 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4022 expansion for a fixup.
4024 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4026 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4028 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4029 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4030 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4031 function_ptr, getpagesize, __enable_execute_stack,
4032 __enable_execute_stack, __clear_insn_cache,
4033 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4034 _cleanup, _exit, __default_terminate, __terminate_func,
4035 __terminate, __empty, __throw, new_eh_context,
4036 eh_context_initialize, eh_context_static, eh_context_specific,
4037 get_eh_context, __get_eh_context, __get_eh_info,
4038 init_reg_size_table, eh_threads_initialize,
4039 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4040 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4041 __pure_virtual): Add prototype arguments.
4042 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4043 Cast a signed value to unsigned long when comparing against one.
4044 (new_eh_context): Wrap in _GTHREADS macro.
4045 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4047 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4048 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4050 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4052 * combine.c (record_promoted_value): Remove unused variable
4055 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4057 * global.c (record_conflicts): Likewise for `j'.
4059 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4062 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4064 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4065 output_fp_compare): Constify a char*.
4067 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4069 (override_options, ix86_comp_type_attributes, print_operand,
4070 output_387_binary_op, output_fix_trunc, output_fp_compare):
4072 (ix86_sched_reorder): Mark parameter `clock_var' with
4075 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4077 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4079 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4080 operand, for use in the Java front-end.
4082 1999-12-10 Ben Collins <bcollins@debian.org>
4084 * configure.in: Fix typo for "-64" in 64bit as check.
4085 * configure: Rebuilt.
4087 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4089 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4092 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4094 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4095 concatenation is utilized.
4097 * invoke.texi (-Wtraditional): Document it.
4099 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4101 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4102 Cast a ptrdiff_t to long and pass it to printf with %ld.
4104 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4106 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4107 68881, we have no 68881 registers at all.
4108 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4109 value in a 68881 register if it is available.
4111 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4113 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4114 for long long multiply-accumulate.
4116 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4118 * loop.c (insert_loop_mem): Undo last change.
4120 1999-12-10 David S. Miller <davem@redhat.com>
4122 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4124 * config/sparc/sparc-protos.h: Add them.
4125 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4126 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4127 constraints which use those helpers.
4128 (EXTRA_CONSTRAINT): Use this new macro.
4129 * md.texi: Update sparc target constraints documentation.
4130 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4131 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4132 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4133 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4134 (movsf high/lo_sum split): Rework for new patterns.
4135 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4137 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4139 * c-common.c (c_common_nodes_and_builtins):
4140 Create __builtin_ptrdiff_t and __builtin_size_t.
4142 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4144 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4146 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4148 * regclass.c (globalize_reg): Re-instate test that allows
4149 fixed registers to be declared as a variable even after functions
4152 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4154 * i386.md (cpu attribute): Add "athlon".
4155 (athlon_decode): New attribute.
4156 (Athlon scheduling units definitions): New.
4157 (fcmp and shld patterns): Set athlon_decode to "vector".
4158 * i386.c (athlon_cost): New.
4160 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4161 x86_use_sahf): Set for Athlon.
4162 (x86_use_fiop): Unset for Athlon.
4163 (override_options): Define Athlon alignments and "athlon" name.
4164 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4165 * i386.h (TARGET_ATHLON): New.
4166 (enum processor_type): Add PROCESSOR_ATHLON.
4167 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4169 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4171 1999-12-09 Andreas Jaeger <aj@suse.de>
4173 * loop.c (record_biv): Declare parameter as int.
4175 * config/i386/i386-protos.h: Declare long_memory_operand.
4177 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4179 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4180 EXPR_WITH_FILE_LOCATION.
4182 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4184 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4187 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4189 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4192 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4194 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4195 default on linux64 again.
4196 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4197 models for multilibing.
4198 * genmultilib: Accept | as alternative separator within a set in
4201 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4203 * calls.c (precompute_arguments): Make sure initial_value contains
4204 value pseudo which CSE expects.
4205 * cse.c (struct set): New entry orig_src.
4206 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4209 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4211 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4213 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4215 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4217 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4219 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4220 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4222 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4225 * longlong.h: Merge in changes from glibc.
4226 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4227 -mno-app-regs libgcc can be compiled.
4228 * libgcc2.c: Add defines so that the updated longlong.h
4229 can be used in libgcc2.a. Also, make sure on most architectures
4230 (at least on all which have optimized code in longlong.h defined
4231 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4233 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4235 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4236 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4237 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4239 * configure: Rebuilt.
4241 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4243 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4244 outputs require a register.
4246 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4248 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4249 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4250 functions like dptoul will be resolved.
4251 (libgcc2.a): Make sure that the object files from DPBIT are named
4252 differently (prefix `_dp') from those that would be coming from
4255 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4257 * configure.in: When target is sparc* and tm_file contains 64,
4258 test for 64bit support in assembler. If not supported, remove
4259 sparc/t-sol2-64 from target-dependent Makefile fragments.
4260 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4261 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4262 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4263 * acconfig.h (AS_SPARC64_FLAG): Added.
4264 * configure, config.in: Rebuilt.
4265 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4266 support. Use AS_SPARC64_FLAG.
4268 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4270 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4271 suitable for holding OFmode values so that gcc works with complex
4273 (hard_64bit_mode_classes): Likewise.
4275 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4276 so that it is actually matched.
4277 (sethi_di_medlow): Likewise.
4279 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4280 as legitimate constant if -mvis.
4281 * config/sparc/sparc.md (movtf): Likewise.
4282 (clear_sf): Use const_double_operand.
4283 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4285 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4286 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4287 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4288 routines, _Qp_* cannot be handled like that now.
4289 (INIT_TARGET_OPTABS): Likewise.
4290 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4291 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4292 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4293 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4294 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4295 divtf3, sqrttf3): New expanders.
4296 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4297 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4298 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4301 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4302 * configure: Rebuilt.
4303 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4304 -mcpu is given and we're doing 64bit compiles.
4306 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4308 * loop.h (struct induction): Add multi_insn_incr.
4309 * loop.c (basic_induction_var): New multi_insn_incr argument.
4310 Set it if we search back through previous insns for the biv.
4311 (record_biv): New multi_insn_incr argument; fill in struct induction.
4312 (strength_reduce): Discard an iv with multiple bivs, any of
4313 which require multiple insns to increment.
4315 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4317 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4320 1999-12-06 David S. Miller <davem@redhat.com>
4322 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4323 PROMOTE_FUNCTION_RETURN.
4325 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4327 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4328 and handle REG_UNUSED note on insn.
4330 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4331 inner_mask instead of mask.
4333 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4335 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4336 zero if there was an error.
4338 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4340 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4343 * longlong.h: Fix clobbers in SPARC asm statements.
4345 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4346 valid sethi operations when TARGET_ARCH64.
4348 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4349 always use move_by_pieces to avoid infinite recursion.
4350 (restore_fixed_argument_area): Likewise.
4352 * combine.c (check_promoted_subreg, record_promoted_value): New
4354 (combine_instructions): Use them to retain nonzero and sign bit
4355 information after SUBREGs are eliminated by optimizations in
4356 this pass if PROMOTE_FUNCTION_RETURN.
4358 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4359 .register declaration. Don't use variables with __ prefixes.
4361 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4363 * fold-const.c (optimize_bit_field_compare): Only use one mode
4364 for both RHS and LHS in non-constant case.
4366 1999-12-06 Nathan Sidwell <nathan@acm.org>
4368 * frame.c (start_fde_sort): Only allocate erratic array, if
4369 linear one was allocated. Return allocated flag.
4370 (fde_insert): Only insert, if there's a valid array.
4371 (fde_end_sort): Split, sort and merge if linear and erratic
4372 arrays exist, else just sort linear one.
4373 (search_fdes): New function. Linear search through original fde
4375 (frame_init): Permit multiple initializations. Cope with
4377 (find_fde): Fallback on linear search, if failed to sort array.
4378 (__deregister_frame_info): Only free sorted array, if we
4381 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4383 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4385 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4387 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4389 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4391 * tree.h (special_function_p): Declare.
4392 * calls.c (special_function_p): Make it global. Don't take `name'
4393 as a parameter. Fix typo in 1999-11-28 change.
4394 (expand_cal): Adjust.
4396 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4398 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4399 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4400 EXPR_WFL_FILENAME_NODE.
4401 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4403 * print-tree.c (print_note): Print TREE_PRIVATE and
4406 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4407 the original die cannot be found.
4409 * varray.h (varray_head_tag): Add elements_used.
4410 (VARRAY_PUSH): New macro.
4411 (VARRAY_POP): Likewise.
4412 (VARRAY_TOP): Likewise.
4413 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4415 * varray.c (varray_init): Initialize elements_used.
4416 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4417 (INTEGRATE_H): New variable.
4418 (integrate.o): Depend on INTEGRATE_H.
4419 (unroll.o): Likewise.
4421 * function.h (insert_block_after_note): Declare.
4422 * function.c (insert_block_after_note): Split out from ...
4423 (retrofit_block): ... here.
4425 * stmt.c (expand_fixup): Fix typo in comment.
4427 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4429 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4430 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4431 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4432 (regmove_optimize, fixup_match_1): Likewise.
4434 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4436 * flow.c (flow_loops_dump): Add missing argument when calling
4439 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4440 Greg McGary <gkm@gnu.org>
4442 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4443 (init_attributes): Add A_NO_LIMIT_STACK.
4444 (decl_attributes): Handle A_NO_LIMIT_STACK.
4445 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4446 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4447 Handle stack bounds checking.
4448 * flags.h (flag_stack_check): Use the word 'probe' rather than
4449 'check', because the flag doesn't actually cause any checking to
4451 * function.c (expand_function_start): Set
4452 current_function_limit_stack.
4453 * function.h (struct function): Add limit_stack.
4454 (current_function_limit_stack): Define.
4455 * invoke.texi (Code Gen Options): Document new options.
4456 * rtl.h: Declare stack_limit_rtx.
4457 * toplev.c (stack_limit_rtx): New variable.
4458 (decode_f_option): Handle new options -fstack-limit-register=REG,
4459 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4460 (main): Add stack_limit_rtx as GC root.
4461 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4462 (struct tree_decl): New member no_limit_stack.
4464 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4466 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4467 (conditional_trap+1): Get new mnemonic correct.
4468 (conditional_trap+2): New pattern for DImode traps.
4470 * config/m68k/m68k.c (output_function_prologue): Handle
4472 * config/m68k/m68k.md (trap): New insn.
4473 (conditional_trap): New insn.
4474 * md.texi (Standard Names): Document `trap' and
4476 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
4477 so a cc0 setter doesn't get emitted at some random place in the
4480 * config/i960/i960.md (trap): New insn.
4481 (conditional_trap): New expander.
4482 (conditional_trap+1, conditional_trap+2): New insns for signed
4484 * config/i960/i960.c (i960_function_prologue): Use
4485 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
4487 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
4488 Geoffrey Keating <geoffk@cygnus.com>
4490 * flags.h (warn_padded, warn_packed): Add global var decls.
4491 * toplev.c (warn_padded, warn_packed): Add global var defns.
4492 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
4493 * stor-layout.c (layout_record): Add local variable `type'
4494 to hold often-used TREE_TYPE (field). Add local variable
4495 `unpacked_align' to hold alignment that would be in force
4496 if no `packed' attribute were present. Warn if `packed' attribute
4497 is unnecessary, or even harmful. Warn when gcc inserts padding
4498 to satisfy alignment requirements of members. Use NULL_TREE
4499 when checking whether var_size is set.
4500 * invoke.texi: Document new flags.
4502 1999-12-03 Nathan Sidwell <nathan@acm.org>
4504 * frame.c (fde_split): Reimplement to avoid variable sized array.
4506 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4508 * combine.c (try_combine): Before fixing up LOG_LINKS for the
4509 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
4511 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
4513 * invoke.texi: Document the mips option -mno-crt0
4515 1999-12-02 Mike Karr <mkarr@mathworks.com>
4517 * cccp.c (argdata): Added free_ptr member.
4518 (macroexpand): Initialize free_ptr of each argument. When an
4519 argument's buffers are freed, if the argument's free_ptr corresponds
4520 to a buffer on the input stack, then return the free_ptr to that stack
4521 frame, otherwise, free it.
4522 (macarg): If an argument begins and ends on the same input stack level,
4523 then transfer the free_ptr of that buffer to the argument in case
4524 the stack is popped during the processing of a subsequent argument.
4526 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
4528 * loop.c (note_reg_stored): New function.
4529 (struct note_reg_stored_arg): New structure.
4530 (try_copy_prop): Change to be more conservative; only replace within
4531 one extended basic block and stop replacing if a store to the
4532 replacement reg is seen.
4534 1999-12-02 Nick Clifton <nickc@cygnus.com>
4536 * config/fp-bit.c: Initialise all fields of the NAN
4539 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
4542 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4544 * i386.md (extend?f?f2): Force the input into a register, not
4547 1999-12-01 Jakub Jelinek <jakub@redhat.com>
4549 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
4551 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
4552 alternative because setting up 64bit constant is usually costly,
4553 especially when reload is in progress or completed.
4554 (movdf_const_intreg_sp64): Likewise.
4555 (movdf_const_intreg split): Fix building up constants when
4556 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
4558 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
4560 * combine.c (if_then_else_cond): Use const_true_rtx instead of
4561 const1_rtx for return values in EQ/NE comparison against (const_int 0)
4564 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
4565 (asm_file_start): Emit .am33 into assembly file when compiling for
4567 (print_operand_address): Handle POST_INC addresses.
4568 (can_use_return_insn, initial_offset): Check AM33 registers too.
4569 (expand_prologue): Check & save AM33 registers too.
4570 (expand_epilogue): Similarly.
4571 (secondary_reload_class): Handle AM33 specific secondary reloads.
4572 (output_tst): Emit efficient code for the AM33 too.
4573 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
4574 (TARGET_SWITCHES): Add -mam33 switch.
4575 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
4576 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
4577 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
4578 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
4579 (enum reg_class, REG_CLASS_NAMES): Likewise.
4580 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
4581 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
4582 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
4583 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
4584 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
4585 (HAVE_POST_INCREMENT): Define.
4586 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
4587 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
4588 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
4589 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
4590 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
4591 (zero_extend to SI from QI/HI): Likewise.
4592 (sign_extend to SI from QI/HI): Likewise.
4593 (mulsidi3, umulsidi3): New patterns for the AM33.
4594 (tstsi with zero extension from QI/HI): Add AM33 variants.
4595 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
4596 (return_internal_regs, store_movm): Handle new AM33 registers.
4597 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
4598 (LIBGCC, INSTALL_LIBGCC): Likewise.
4599 * invoke.texi: Document new flags.
4601 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
4603 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
4604 (addsi3_carry): Likewise.
4605 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
4606 (sbbsi3_carry): Likewise.
4607 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
4609 (test?i_1): Ensure that only one operand is memory.
4610 (conditional move patterns): likewise.
4611 (shift and rotate patterns): Rewrite to expander, add
4612 "binary_operator_ok" to the condition.
4614 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
4615 * i386.h (procesor_costs): Add movzbl_load field.
4616 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
4617 non-Q registers, accept DImode registers anywhere.
4619 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
4620 * i386.c (*_cost): Set value for movxbl_load field.
4622 * (addsi): New add to lea splitter.
4624 (lea to add/shift peep2): New.
4626 1999-12-01 Mark Salter <msalter@cygnus.com>
4628 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
4629 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
4630 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
4632 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4634 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
4635 * i386.md (movsi_xor): New.
4637 (movsi_1, movhi_1, movqi_1): Remove.
4638 (movsi_2): Rename to movsi_1.
4639 (movhi_2): Rename to movhi_1.
4640 (movqi_2): Rename to movqi_1.
4641 (movdi_1): Remove; remove splitter.
4642 (movdi_2): Rename to movdi_1.
4643 (divmodsi4 splitter): Do not emit clobbers for move patterns.
4644 (long move peep2): Do not create QI or HI mode mov0s
4645 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
4647 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
4650 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
4651 (abs?f2_if): Likewise.
4653 1999-11-30 Alex Samuel <samuel@codesourcery.com>
4655 * ggc.h (ggc_test_and_set_mark): New macro.
4656 (ggc_mark_rtx): Use ggc_test_and_set_mark.
4657 (ggc_mark_tree): Likewise.
4658 (ggc_mark_rtvec): Likewise.
4659 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
4661 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
4663 * dwarf2out.c (scope_die_for): Only handle types. Only search for
4665 (decl_scope_table): Just an array of trees now.
4666 (push_decl_scope): Simplify.
4667 (dwarf2out_init): Adjust.
4668 (local_scope_p): New fn.
4669 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
4670 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
4671 (gen_typedef_die): Likewise.
4672 (gen_lexical_block_die): Don't call push/pop_decl_scope.
4673 (gen_inlined_subroutine_die): Likewise.
4674 (gen_abstract_function): Set current_function_decl temporarily.
4675 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
4676 Handle block extern declarations. Don't call push/pop_decl_scope.
4677 (gen_decl_die): Fix logic for block externs.
4679 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * calls.c (special_function_p): Remove `realloc' and add `strdup'
4682 to the list of functions which have attribute malloc by default.
4684 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4686 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
4687 integer constant does not match the traditional type, limit the
4688 warnings to cases where the base of the type is ten.
4690 * invoke.texi (-Wtraditional): Document it.
4692 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4694 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
4695 * rs6000.md: Only access a CONST_INT with INTVAL
4697 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
4699 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
4700 (compute_nearerout): Likewise.
4701 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
4702 size_t to unsigned long for formatting.
4704 1999-11-30 Jakub Jelinek <jakub@redhat.com>
4706 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
4707 Allow the user to override call-used/fixed state of %g2-5
4708 registers from the command line (with the exception of %g4 for
4710 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
4711 there is a higher chance of having a leaf function.
4712 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
4713 for ARCH64 which has %ccr register.
4714 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
4716 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
4717 insn accept into delay slot any insn which does not use %[ol]
4718 registers. Accept some LO_SUM and shift left by 1 for the normal
4720 (output_function_epilogue): Likewise.
4721 (epilogue_renumber): Added argument which inhibits any renumbering
4722 and just tests if the rtx does not use any %[ol] registers.
4723 (output_return): Reflect above change.
4725 1999-11-30 Jakub Jelinek <jakub@redhat.com>
4727 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
4728 aggregate passing for sizes <= 16 bytes.
4730 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
4732 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
4733 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
4734 * reload.c (find_dummy_reload): Likewise.
4735 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
4736 * reload1.c (reload_as_needed): Likewise.
4737 * stupid.c (stupid_find_reg): Likewise.
4738 * tm.texi (Obsolete Register Macros): Delete section.
4739 * gmicro.h: Remove all traces of the two macros.
4744 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
4746 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
4747 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
4748 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
4749 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
4750 units for the sparclite86x chip.
4751 (flush): Revert October 14th change; add SImode specifically.
4752 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
4753 * invoke.texi: Document it.
4755 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
4757 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
4758 psimode_truncation_operand.
4760 * config/mn10200/mn10200.c (psimode_truncation_operand): New
4761 function. Return true if the operand is either a MEM valid
4762 for a PSImode address or not a MEM at all.
4764 * config/mn10200/mn10200.md (truncsipsi2): Use
4765 psimode_truncation_operand.
4767 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4769 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
4770 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
4771 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
4772 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
4773 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
4774 (flow_loop_level_compute, low_loops_level_compute): Likewise.
4775 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
4776 * basic-block.h: Protect from multiple inclusion.
4777 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
4778 (struct loops, struct loop): Define structures.
4779 * sbitmap.c (sbitmap_a_subset_b_p): New function.
4780 * sbitmap.h: Protect from multiple inclusion.
4781 (sbitmap_a_subset_b_p): Add prototype.
4782 * Makefile.in (LOOP_H): New macro.
4783 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
4785 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
4787 * cppinit.c (CAT): The argument list of this macro may not contain
4790 1999-11-29 David S. Miller <davem@redhat.com>
4792 Move quantity tables and register equivalence chains into
4793 per-qty and per-register structure arrays respectively.
4794 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
4795 qty_const_insn, qty_comparison_code, qty_comparison_const,
4796 qty_comparison_qty): Delete, replace with...
4797 (qty_table): this structure table.
4798 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
4799 (reg_eqv_table): this structure table.
4800 (make_new_qty): Add argument MODE. Caller updated.
4801 Update to use qty_table and reg_eqv_table.
4802 (make_regs_eqv, delete_reg_equiv, insert_regs,
4803 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
4804 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
4805 cse_process_notes, cse_main, cse_basic_block): Likewise.
4807 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4809 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
4810 operation if C is negative.
4811 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
4812 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
4813 law for some divisions if constant is negative and change other
4814 divisions to the opposite rounding.
4816 * expr.c (store_constructor_field): If bit position is not multiple
4817 of alignment of TARGET's mode, use BLKmode.
4819 * expr.c (expand_expr_unaligned): Add more code from full case
4820 that is needed when OP0 is in a register.
4822 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4824 * dwarfout.c (field_byte_offset): Size can be zero if there was
4827 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
4829 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
4830 (associate_trees): Delete unused var TEM.
4831 (extract_muldiv): Delete unused var CANCEL_P.
4833 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
4834 (target_isinf, target_isnan, target_negative): Add return types to
4835 function definitions.
4837 1999-11-29 Bruce Korb <autogen@linuxbox.com>
4839 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
4840 * fixinc/hackshell.tpl: ditto
4841 * fixinc/fixtests.c(double_slash_test): more C++ header testing
4842 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
4844 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
4846 * reload.c (push_reload): When looking for a register to put into
4847 reg_rtx, make sure all hard regs in a multi-reg register are in the
4848 right class and nonfixed.
4850 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
4851 pending_read_insns, pending_write_insns, pending_read_mems,
4852 pending_write_mems, pending_list_length, last_pending_memory_flush,
4853 last_function_call, sched_before_next_call): Move static variables
4855 (bb_ prefixed versions): Replace with single array bb_deps.
4856 (struct deps): New structure.
4857 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
4858 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
4859 argument of type "struct deps *"; use that instead of global
4860 variables. All callers changed.
4861 (init_rgn_data_dependencies): Delete function.
4862 (init_rtx_vector): Delete function.
4863 (init_deps): New function.
4865 (free_pending_lists): Simplify, we always use the bb_deps array even
4866 if only one basic block.
4867 (compute_block_backward_dependences): Likewise.
4868 (schedule_region): Likewise.
4870 (propagate_deps): New function, broken out of
4871 compute_block_backward_dependences.
4872 (compute_block_backward_dependences): Use it.
4874 * alpha.md: Delete useless patterns that tried to work around
4875 register elimination problems.
4877 * unroll.c (loop_iterations): Don't abort if iteration variable
4880 From Joern Rennecke:
4881 * reload1.c (reloads_conflict): Reverse test comparing operand
4882 numbers when testing for conflict between output/outaddr reloads.
4884 1999-11-29 David S. Miller <davem@redhat.com>
4886 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
4888 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
4890 1999-11-28 Robert Lipe <robertl@cygnus.com>
4892 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
4893 table from .fini into .dtor.
4895 1999-11-28 Anthony Green <green@cygnus.com>
4897 * tree.h (struct tree_decl): Add malloc_flag.
4898 (DECL_IS_MALLOC): Define.
4899 * c-common.c (attrs): Add A_MALLOC attribute.
4900 (init_attributes): Add this attribute to the table.
4901 (decl_attributes): Handle malloc attribute.
4902 * calls.c (special_function_p): Check for the malloc attribute.
4903 * extend.texi (Function Attributes): Document malloc attribute.
4905 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
4907 * pa.md (reload shift-add patterns): Remove.
4909 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4911 * reorg.c (dbr_schedule) Print more statistics. Corrected
4912 problem when printing info when 3 delay slots are filled.
4914 1999-11-28 Jakub Jelinek <jakub@redhat.com>
4916 * combine.c (setup_incoming_promotions): Pass an outgoing
4917 regno to FUNCTION_ARG_REGNO_P which it expects.
4919 1999-11-28 Andreas Jaeger <aj@suse.de>
4921 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
4923 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
4925 * cccp.c (do_include): Avoid initialization of automatic variable.
4927 * integrate.c (mark_stores): Function definition made void, to match
4928 previous declaration.
4929 * regclass.c (dump_regclass): Ditto.
4930 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
4932 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4934 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
4935 known to be multiple of divisor.
4937 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
4939 * combine.c (try_combine): Add code to try to merge a set of a
4940 two-word pseudo to a constant with a setting of one of those words
4943 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
4944 (split_tree): Completely rework to make more general.
4945 (make_range, fold): Call negate_expr.
4946 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
4947 (fold, associate): Call new split_tree and associate_trees.
4948 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
4950 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
4952 * loop.c (try_copy_prop): Avoid GNU C extension.
4954 1999-11-25 Mark Mitchell <mark@codesourcery.com>
4956 * except.c (init_eh_for_function): Still zero eh_return_context,
4957 eh_return_stack_adjust, and eh_return_handler.
4959 * except.h (eh_status): Adjust documentation for x_protect_list.
4960 (begin_protect_partials): New function.
4961 * except.c (enqueue_eh_entry): Fix formatting.
4962 (get_first_handler): Add consistency check.
4963 (add_partial_entry): Adjust usage of protect_list.
4964 (emit_cleanup_handler): Save and restore ehqueue.
4965 (expand_start_all_catch): Add comment.
4966 (begin_protect_partials): New function.
4967 (end_protect_partials): Adjust usage of protect_list.
4968 (init_eh_for_function): Use xcalloc.
4970 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4972 * c-common.c (check_format_info): Don't call a variadic function
4973 with a non-literal format string.
4975 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
4977 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
4978 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
4981 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
4984 * collect2.c (collect_wait): Likewise.
4986 * dbxout.c (dbxout_type): Likewise.
4988 * gcc.c (do_spec_1): Likewise.
4990 * genemit.c (gen_insn, gen_expand): Likewise.
4992 * genrecog.c (write_switch, write_subroutine): Likewise.
4994 * mips-tfile.c (catch_signal, botch): Likewise.
4996 * print-rtl.c (print_rtx): Likewise.
4998 * toplev.c (default_print_error_function, report_error_function,
4999 _fatal_insn): Likewise.
5001 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5003 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5005 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5007 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5008 operations when needed.
5009 * i386.md (fop_?f_comm): New.
5010 (fop_?f_1): Do not accept commutative operands.
5012 1999-11-25 Andreas Jaeger <aj@suse.de>
5014 * config/mips/mips.md (casesi_internal): Add missing brace.
5016 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5018 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5019 (splice_child_die): Handle moving a child DIE from the declaration
5020 DIE of a class to its specification.
5021 (gen_struct_or_union_type_die): Use 'complete' consistently.
5022 (gen_decl_die): Generate the virtual context DIE first.
5023 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5025 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5027 * config/mips/mips.md (call_value_multiple_interanal1): New.
5029 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5031 * dwarf2out.c (free_AT, free_die): New fns.
5032 (remove_children): Call them.
5033 (output_line_info): Disable removal of duplicate notes.
5035 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5036 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5037 means pretend the type isn't defined.
5038 Don't defer emitting types.
5039 (gen_type_die_for_member): New fn.
5040 (gen_decl_die): Call it.
5041 (splice_child_die): New fn.
5042 (gen_member_die): Call it rather than generate duplicate dies.
5044 Defer emitting information for the abstract instance of an inline
5045 until we either inline it or emit an out-of-line copy.
5046 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5047 from output_inline_function if DECL_ABSTRACT is also set.
5048 (block_ultimate_origin): Likewise.
5049 (gen_abstract_function): New fn.
5050 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5051 (gen_subprogram_die): An abstract instance is not a declaration
5052 just because it doesn't match current_function_decl. Don't abort
5053 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5054 has an abstract origin.
5055 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5056 abstract instance here.
5058 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5060 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5061 where we need to reload fpul from a system register.
5063 1999-11-24 Andreas Jaeger <aj@suse.de>
5065 * config/mips/linux.h (CPP_PREDEFINES): Added.
5066 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5068 1999-11-24 Andreas Jaeger <aj@suse.de>
5070 * config/mips/linux.h (TARGET_VERSION): Added.
5071 (HANDLE_SYSV_PRAGMA): Added.
5072 (DEFAULT_VTABLE_THUNKS): Added.
5074 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5076 * local-alloc.c (qty): New structure and static variable.
5077 (qty_phys_reg): Remove, all references changed to qty.
5078 (qty_n_refs): Likewise.
5079 (qty_min_class): Likewise.
5080 (qty_birth): Likewise.
5081 (qty_death): Likewise.
5082 (qty_size): Likewise.
5083 (qty_mode): Likewise.
5084 (qty_n_calls_crossed): Likewise.
5085 (qty_alternate_class): Likewise.
5086 (qty_changes_size): Likewise.
5087 (qty_first_reg): Likewise.
5088 (alloc_qty): Rename variable QTY to QTYNO.
5089 (finf_free_reg): Likewise.
5090 (local_alloc): Allocate qty, do not allocate the removed variables.
5092 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5094 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5095 when -membedded-pic is passed.
5097 * config/mips/mips.md (casesi): Handle 64-bit case too.
5098 (casesi_internal_di): New insn.
5100 * config/mips/mips.c (embedded_pic_offset): Always make the
5101 embedded-pic subtractions relative to the name of the current
5102 function by use of the magic string "..CURRENT_FUNCTION".
5103 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5105 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5107 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5108 of (const_int 0), when what we really care about is
5109 whether it's a zero constant anyway.
5110 (div_trap_mips16): Likewise.
5112 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5114 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5115 unroll_block_trees when generating debuggable code.
5117 * tree.h (unsave_expr_1): New function.
5118 (lang_unsave): New variable.
5119 (get_callee_fndecl): New function.
5120 * tree.c (unsave_expr_now_r): New function.
5121 (lang_unsave): Define.
5122 (unsave_expr_1): Likewise.
5123 (unsave_expr_now_r): Split out from unsave_expr_now.
5124 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5125 call unsave_expr_now_r.
5126 (get_callee_fndecl): Define.
5128 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5129 (gencheck.o): Do depend on lang_tree_files.
5131 * integrate.h (copy_decl_for_inlining): New declaration.
5132 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5133 (copy_decl_for_inlining): New function.
5134 (integrate_parm_decls): Use it.
5135 (integrate_decl_tree): Likewise.
5137 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5139 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5140 the second two from the first.
5141 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5142 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5143 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5145 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5146 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5149 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5151 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5152 needed on the address operand.
5153 * pa.c (call_operand_address): Check for the correct mode.
5155 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5157 * loop.c: Include "basic-block.h".
5158 (try_copy_prop, replace_loop_reg): New functions.
5159 (load_mems): Detect registers that just hold copies of the hoisted
5160 mem, and call try_copy_prop to eliminate them.
5161 * Makefile.in (loop.o): Update dependencies.
5163 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5165 * Makefile.in (gencheck.o): Depend on gencheck.h.
5166 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5167 (insn-peep.o): Depend on except.h and function.h.
5168 (insn-attrtab.o): Depend on RECOG_H.
5169 (insn-output.o): Depend on toplev.h and flags.h.
5170 (gengenrtl.o): Depend on real.h.
5171 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5172 Unify all dependencies to be on RECOG_H rather than recog.h.
5174 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5176 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5177 * configure.in: Try building a bi-arch 32/64-bit compiler on
5178 sparc-*-solaris2.7 and higher.
5179 * configure: Rebuild.
5181 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5183 * config/freebsd.h: New, FreeBSD architecture independent file.
5184 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5186 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5187 directly by i386/freebsd.h.
5188 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5189 independent configuration file.
5190 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5191 directly by i386/freebsd.h.
5192 * configure: Rebuilt.
5194 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5195 which is in the user's namespace.
5196 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5197 `i386' which is not in our namespace.
5199 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5201 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5203 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5205 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5206 (add_dwarf_attr, add_child_die): Just push onto the front.
5207 (reverse_die_lists): New fn.
5208 (add_sibling_attributes): Use it.
5209 (push_decl_scope): Reorganize.
5210 (add_name_and_src_coords_attributes): Don't set file and line for
5212 (gen_subprogram_die): An artificial function doesn't need to match
5214 (gen_compile_unit_die): Return the generated die. Only add
5215 AT_comp_dir if the filename is relative.
5216 (remove_AT): Simplify loop. Also free string values.
5217 (output_die): A DIE ref can't be null.
5218 (output_value_format, value_format): Take a dw_attr_ref.
5219 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5220 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5221 AT_addr, AT_lbl): New fns.
5222 (various): Use them.
5223 (various): Constify.
5225 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5227 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5228 take SUBREG_WORD into account.
5229 (if_then_else_cond): Likewise.
5231 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5233 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5234 clause from BSD license, pursuant with
5236 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5238 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5240 * loop.c (load_mems): Reformat slightly.
5241 * basic-block.h (regset_head): New typedef.
5242 (INIT_REG_SET): New macro.
5244 1999-11-22 Bruce Korb <autogen@linuxbox.com
5246 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5247 (mips-dec-bsd*): non-functional code
5248 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5250 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5251 added three replacement fixes
5252 (no_double_slash): removed comments that are not (any longer) pertinent
5253 (bad_lval): this fix currently runs against many files.
5254 The comment seems to indicate that we should select for files
5255 containing 'pragma extern_prefix'.
5257 * fixinc/fixinc.x86-linux-gnu: deleted
5258 * fixinc/inclhack.sh: regen
5259 * fixinc/fixincl.x: regen
5260 * fixinc/fixincl.sh: regen
5262 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5264 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5265 its code is INSN and it has no notes.
5267 1999-11-22 Andrew Haley <aph@cygnus.com>
5269 * varasm.c (function_defined): Remove.
5270 (make_function_rtl): Don't set function_defined.
5271 (make_decl_rtl): Remove global register warning.
5272 * regclass.c (no_global_reg_vars): New variable.
5273 (globalize_reg): Warn if function has already been defined.
5274 (regclass_init): Set no_global_reg_vars.
5276 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5278 * regclass.c (reg_pref): New structure and static variable
5279 (prefclass): Delete.
5281 (all uses of prefclass and altclass): Use reg_pref instead.
5283 1999-11-21 Nick Clifton <nickc@cygnus.com>
5285 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5287 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5288 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5289 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5291 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5293 * varasm.c (output_constructor): Solve problem with long long
5294 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5296 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5298 * global.c (allocno): New structure and static variable.
5299 (allocno_reg): Remove, all references replaced by allocno.
5300 (allocno_size): Likewise.
5301 (hard_reg_conflicts): Likewise.
5302 (hard_reg_preferences): Likewise.
5303 (hard_reg_copy_preferences): Likewise.
5304 (hard_reg_full_preferences): Likewise.
5305 (regs_someone_prefers): Likewise.
5306 (allocno_calls_crossed): Likewise.
5307 (allocno_n_refs): Likewise.
5308 (allocno_live_length): Likewise.
5309 (find_reg): Rename ALLOCNO to NUM.
5311 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5313 (may_move_out_cost): New variable.
5314 (init_reg_sets_1): Initialize may_move_out_cost.
5315 (record_reg_classes): Use may_move_out_cost.
5317 * regclass.c (dump_regclass): New function.
5318 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5319 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5320 pass rtl_dump_file to regclass.
5321 * rtl.h (regclass): Update prototype.
5323 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5325 * i386.md (neg, not and abs patterns): Revmap to use
5326 ix86_expand_unary_operator and ix86_unary_operator_ok.
5327 (add?f and sub?f expanders): Force operand 1 to register.
5328 * i386.c (ix86_expand_unary_operator): Rewrite.
5329 (ix86_unary_operator_ok): Ensure that memory operands
5331 (ix86_binary_operator_ok): Do not allow operand 1 to
5332 come into memory and operand 0 not.
5333 (ix86_expand_binary_operator): Ensure that
5334 src1 is not non-matching memory.
5336 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5337 to support integer registers and memory.
5338 (abss?2_integer): Likewise.
5340 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5341 (REG_CLASS_NAMES): Likewise.
5342 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5344 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5345 (movsf): Likewise; unify 4th and 5th alternative.
5347 (movdf_1): Likewise; rename to movdf_integer.
5348 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5349 remove redundant splitter.
5350 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5351 (movdf_nointeger): New.
5352 (movxf_nointeger): New.
5353 (pushxf_nointeger): New.
5355 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5356 memory operands in patterns.
5357 (fop*): Refuse two memory operands.
5359 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5360 on !TARGET_USE_CLTD CPUs.
5362 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5364 * extend.texi: Document C++ restricted pointers and references.
5366 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5368 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5369 (invalidate_skipped_set): Call it unconditionally.
5370 (cse_set_around_loop): Likewise.
5372 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5374 * rtl.texi (mem): Add documentation for alias-set argument
5377 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5379 * i386.h (struct_processor_costs): New fields int_load, int_store,
5380 fp_move, fp_load and fp_store
5381 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5383 (MEMORY_MOVE_COST): New macro.
5384 * i386.c (386_cost): Define new fields.
5385 (i486_cost): Likewise.
5386 (pentium_cost): Likewise.
5387 (pentiumpro_cost): Likewise.
5388 (k6_cost): Likewise.
5390 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5391 Geoffrey Keating <geoffk@cygnus.com>
5393 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5395 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5398 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5399 (TARGET_STRICT_ALIGNMENT): New macro.
5400 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5401 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5402 * invoke.texi (M680x0 Options): Document -mstrict-align.
5404 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5405 Richard Henderson <rth@cygnus.com>
5407 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5408 (ix86_split_long_move): Declare.
5409 * i386.c (split_xf, ix86_split_movdi): Remove.
5410 (ix86_split_to_parts, ix86_split_long_move): New.
5411 * i386.md (dimode move splitters): Use ix86_split_long_move.
5412 (dfmode move splitters): Likewise.
5413 (xfmode move splitters): Likewise.
5414 (movsf_1): Allow F->r.
5415 (movdf_1, movxf_1): Allow F->ro.
5417 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5419 * except.h (struct eh_entry): Add goto_entry_p.
5420 (eh_region_from_symbol): Remove prototype.
5421 * except.c (find_func_region_from_symbol): New function.
5422 (emit_cleanup_handler): Likewise.
5423 (eh_region_from_symbol): Make it static.
5424 (add_new_handler): Verify the argument.
5425 (find_func_region): Update comment.
5426 (expand_eh_region_end): Expand handlers here, rater than waiting
5427 until expand_leftover_cleanups or start_all_catch.
5428 (expand_leftover_cleanups): Don't expand here.
5429 (expand_start_all_catch): Or here.
5430 (expand_rethrow): Check the return value from find_func_region.
5431 * function.c (expand_function_end): Emit the catch_clauses.
5433 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5435 * integrate.c (expand_inline_function): Add necessary check for NULL.
5437 1999-11-18 Nick Clifton <nickc@cygnus.com>
5439 * toplev.c (main): Correctly detect an unrecognised option.
5441 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5442 a -f option if it has not been recognised.
5444 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5446 * basic-block.h (update_life_extent): Remove trailing comma on
5447 enumeration type list.
5449 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5451 * varasm.c (output_constructor) Solved problem with long long
5452 bitfields. Corrected calculating this_time and shift. Also
5453 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5455 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5457 * flow.c (split_edge): Take looping structure into account when
5458 determining where to put the new block note.
5460 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5462 * Makefile.in (ggc-none.o): Provide host specific version if
5465 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5467 * cse.c (delete_trivially_dead_insns): Identify no-op insns
5468 containing subregs too.
5470 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5472 * invoke.texi: Add documentation for -muninit-const-in-rodata.
5473 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
5474 (TARGET_UNINIT_CONST_IN_RODATA): Define.
5475 (text_section): Add switches -munint-const-in-rodata and
5476 -mno-uninit-const-in-rodata.
5477 (ASM_OUTPUT_COMMON): Remove.
5478 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
5479 const objects should be placed in read-only data. Otherwise declare
5482 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
5484 * jump.c (jump_optimize_1): Revert last change.
5486 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
5488 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
5489 test if optimizing for size.
5491 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5493 * Makefile.in (toplev.o): Depend on except.h.
5494 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
5496 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5498 * i386.md (divmodsi4): Rewrite to expander.
5499 (*divmodsi4_nocltd): New.
5500 (*divmodsi4_cltd): New.
5501 (divmodsi4 splitter): Handle the case when input comes in edx.
5502 (udivmodhi4): Do not use constraints in exander.
5503 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
5505 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
5507 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
5508 for the common case.
5510 1999-11-16 Jakub Jelinek <jakub@redhat.com>
5512 * explow.c (hard_function_value): Add outgoing argument.
5513 * expr.h (hard_function_value): Declare it.
5514 * calls.c (expand_call, emit_library_call_value): Update callers.
5515 * function.c (aggregate_value_p): Ditto.
5516 (diddle_return_value): Must look at the outgoing registers
5517 on archs with register windows.
5519 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
5521 * alpha.c (alpha_build_va_list): Use make_lang_type and
5522 initialize TYPE_NAME for the va_list record.
5524 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
5526 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
5528 * ggc.h (struct ggc_statistics): Rearrange elements for better
5529 packing on 64-bit hosts.
5530 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
5531 (compute_nearerout): Likewise.
5533 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
5535 * config/rs6000/rs6000.c (first_reg_to_save): Save
5536 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
5538 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
5540 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
5541 notion of nesting to find the DIE for a type or function.
5542 DIEs can go in limbo even if we got a context_die.
5543 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
5544 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
5546 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
5547 (gen_type_die): Writing out the context doesn't cause member class
5548 template instantiations to be written out as well.
5550 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
5552 * rs6000.h (ASM_OUTPUT_DEF): New.
5553 Based on proposed addition from David Edelsohn.
5555 1999-11-15 Robert Lipe <RobertLipe@usa.net>
5556 Bruce Korb <autogen@linuxbox.com>
5558 * fixinc/inclhack.def
5559 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
5560 (unixware7_byteorder_fix): added. Removes conflicts for new defs
5562 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
5563 (svr4_endian): enabled with SVR5
5564 (svr4_mkdev): simplified syntax and enabled with SVR5
5566 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
5568 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
5569 * configure: Rebuilt.
5570 * config/t-freebsd-thread: New file.
5572 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
5574 * i386.c (ix86_decompose_address): Verify the base is a REG
5575 before trying to examine its register number.
5577 * basic-block.h: Remove all #defines and prototypes related to
5579 (free_bb_mem, compute_preds_succs): Remove prototype.
5580 * rtl.h (free_bb_mem): Remove prototype.
5581 * flow.c (alloc_int_list_node); Remove function.
5582 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
5583 (compute_preds_succs, free_bb_mem): Likewise.
5584 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
5585 * toplev.c (rest_of_compilation): Likewise.
5586 * haifa-sched.c (build_control_flow): Use flow generated edge
5587 list to build the haifa specific edge list.
5588 (find_rgns): Use new CFG data structures instead of pred/succ lists.
5589 (schedule_insns): Do not build pred/succ lists anymore. Instead
5590 build the edge table.
5592 * basic-block.h (dump_bb_data): Remove declaration.
5593 * flow.c (dump_bb_data): Remove function.
5594 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
5595 (sbitmap_union_of_predsucc): Likewise.
5597 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
5598 argument. All callers changed.
5599 (delete_null_pointer_checks_1): No longer need to compute the
5602 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
5603 All callers changed.
5604 (pre_expr_reaches_here_p_work): Likewise.
5605 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
5606 * lcm.c (compute_laterin): Fix initialization of LATER.
5607 (compute_nearerout): Similarly for NEARER.
5609 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5611 * cse.c (set_nonvarying_address_components): Delete unused function.
5612 (refers_to_p): Likewise.
5614 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
5616 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
5619 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5621 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
5622 definition in do while (0).
5624 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
5626 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
5628 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
5630 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
5632 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
5634 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
5635 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
5636 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
5637 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
5639 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
5640 saved on the stack. Output more accurate stack frame statistics
5641 into assembler file.
5643 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
5645 * genextract.c (record_insn_name): New function.
5646 (get_insn_name): No longer a stub.
5647 (main): Call record_insn_name for each insn. After each label
5648 written, print the insn name in a comment.
5650 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5652 * output.h (const_section, init_section, fini_section): Add
5655 * alpha/elf.h (const_section): Delete declaration.
5657 * svr4.h (const_section): Likewise.
5659 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
5661 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
5662 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
5663 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
5665 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
5666 variable-sized array bounds.
5668 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
5670 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
5673 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5675 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
5676 addresses the same way GO_IF_LEGITIMATE_INDEX does.
5678 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5680 * cse.c (hash_arg_in_struct): Delete.
5681 (struct table_elt): Delete elt in_struct.
5682 (struct set): Delete elt src_in_struct.
5683 (merge_equiv_classes): Don't set either hash_arg_in_struct or
5684 the corresponding in_struct elts.
5685 (canon_hash): Likewise.
5686 (safe_hash): Likewise.
5687 (find_best_addr): Likewise.
5688 (record_jump_cond): Likewise.
5689 (cse_insn): Likewise.
5691 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
5693 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
5695 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
5698 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
5700 * function.c (diddle_return_value): Put back check that the DECL_RTL
5701 for the function is a register.
5703 * function.c (diddle_return_value): Use hard_function_value to
5704 get an rtx suitable for use in the USE/CLOBBER insn.
5706 * global.c (global_conflicts): Update comments.
5707 (record_conflicts): No need to record conflicts between pseudos here.
5709 1999-11-11 Bruce Korb <autogen@linuxbox.com>
5711 * fixinc/fixincl.c: Added verbose levels for status messages
5713 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5715 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
5716 operand as argument to expand_and or expand_binop.
5718 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
5720 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
5721 gcc_add_string_root.
5723 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
5725 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
5727 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
5729 * flow.c (compute_flow_dominators): Initially put all blocks on
5731 * lcm.c (compute_antinout_edge, compute_available): Similarly.
5732 * gcse.c (compute_cprop_avinout): Remove.
5733 (compute_cprop_data): Use compute_available.
5734 (delete_null_pointer_checks_1): Use compute_available.
5736 * basic-block.h (compute_available): Returns a void now.
5737 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
5738 to return a value anymore.
5739 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
5740 worklists. Fix boundary cases. Compute maximal solutions.
5741 (compute_laterin, compute_nearerout): Similarly.
5743 * dwarf2out.c (add_AT_location_description): Allow
5744 (mem (plus (pseudo) (...)) too.
5746 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
5748 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
5750 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
5751 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5753 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
5755 * gansidecl.h: Likewise.
5761 * toplev.h: Likewise.
5767 * varray.c: Likewise.
5769 * varray.h: Likewise.
5771 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
5773 * gcov.c (struct arcdata): Add hits and total, remove prob.
5774 (output_branch_counts): New.
5775 (process_args): Set output_branch_counts if -c.
5776 (calculate_branch_probs): Store hits and total instead of
5778 (output_data): Emit counts if output_branch_counts is true.
5779 * gcov.texi (Invoking Gcov): Document -c switch..
5781 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
5783 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
5784 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
5786 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
5788 * invoke.texi (C Dialect Options): Add missing builtins from
5790 * extend.texi (Other Builtins): Copy to this list.
5792 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5794 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
5795 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
5798 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
5800 * flow.c (compute_flow_dominators): No longer treat basic block 0
5801 or (n_basic_blocks - 1) specially. Clear the AUX field before
5802 starting computation of doms/pdoms. Fix initial state for pdoms.
5804 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5806 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
5807 match rtl.o's: added ggc.h and toplev.h
5808 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
5809 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
5810 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
5812 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
5814 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
5815 from HAVE_DOS_BASED_FILESYSTEM.
5816 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
5817 HAVE_DOS_BASED_FILESYSTEM.
5819 (split_directories): Only special-case DOS file names if
5820 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
5821 instead of explicit tests. Conditionalize on !VMS.
5822 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
5823 tests. Conditionalize on !VMS.
5824 (process_command): Only use make_relative_prefix if !VMS.
5825 (free_split_directories): Conditionalize on !VMS.
5826 (DIR_UP): Conditionalize on !VMS.
5828 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
5830 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
5832 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
5834 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
5837 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
5839 * invoke.texi (Environment Variables): Document relative path
5841 * gcc.c (DIR_UP): If not defined, define as "..".
5842 (standard_bindir_prefix): New static, holds target location to
5844 (split_directories): New function to split a filename into
5845 component directories.
5846 (free_split_directories): New function, release memory allocated
5847 by split_directories.
5848 (make_relative_prefix): New function, make a relative pathname if
5849 the compiler is not in the expected location.
5850 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
5851 can figure out an appropriate prefix from argv[0].
5852 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
5853 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
5854 STANDARD_BINDIR_PREFIX.
5856 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5858 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
5860 * config/c4x/c4x.h: Moved prototypes to c4x.h.
5861 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
5862 c4x_secondary_memory_needed) Delete.
5863 (fp_zero_operand): Add mode argument.
5865 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
5867 * reload1.c (reload_reg_free_for_value_p): Don't use a register
5868 that is in reload_reg_used.
5870 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
5872 * config/arm/arm-protos.h: New file: Prototypes for functions
5873 defined in arm.c and pe.c.
5874 * config/arm/arm.h: Fix compile time warnings.
5875 * config/arm/arm.c: Fix compile time warnings.
5876 * config/arm/pe.h: Fix compile time warnings.
5877 * config/arm/aout.h: Fix compile time warnings.
5879 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
5881 * config/m32r/m32r-protos.h: New file: Prototypes for functions
5884 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
5885 Add support for subtargets.
5886 Add prototypes for new predicates.
5887 Add scheduling macros.
5889 * config/m32r/m32r.c: Fix compile time warnings.
5890 (int8_operand): New predicate function.
5891 (reg_or_cmp_int16_operand): New predicate function.
5892 (extend_operand): New predicate function.
5893 (m32r_adjust_code): New scheduling function.
5894 (m32r_adjust_priorty): New scheduling function.
5895 (m32r_sched_init): New scheduling function.
5896 (m32r_sched_reorder): New scheduling function.
5897 (m32r_sched_variable_issue): New scheduling function.
5898 (direct_return): New codegen function.
5899 (m32r_not_same_reg): New rtl testsing function.
5901 * config/m32r/m32r.md: Fix compile time warnings.
5902 Add support for pre decrement and post increment memory
5907 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5909 * global.c (EXECUTE_IF_CONFLICT): Don't define.
5910 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
5911 (find_reg): Likewise.
5913 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
5915 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
5916 to avoid assembler errors.
5918 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
5920 * config/v850/v850-protos.h: New file: Prototypes for functions
5922 * config/v850/v850.h: Move prototypes to v850-protos.h
5923 * config/v850/v850.c: Move prototypes to v850-protos.h
5924 * config/v850/v850.md: Fix compile time warnings.
5926 * config/fr30/fr30-protos.h: New file: Prototypes for functions
5928 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
5929 * config/fr30/fr30.c: Fix compile time warnings.
5930 * config/fr30/fr30.md: Fix compile time warnings.
5932 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
5934 * tree.h (get_containing_scope): Declare it.
5935 * tree.c (get_containing_scope): New fucntion.
5936 (decl_function_context): Use it.
5937 * toplev.c (rest_of_compilation): Use get_containing_scope.
5939 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5941 * Makefile.in (rtl.o): Depend on toplev.h.
5943 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
5945 * cse.c (delete_trivially_dead_insns): Replace alloca with
5947 * except.c (update_rethrow_references): Likewise.
5948 (init_eh_nesting_info): Likewise.
5949 * function.c (identify_blocks): Likewise.
5950 * gcse.c (dump_hash_table): Likewise.
5951 * graph.c (print_rtl_graph_with_bb): Likewise.
5952 * loop.c (combine_movables): Likewise.
5953 (move_movables): Likewise.
5954 (count_loop_regs_set): Likewise.
5955 (strength_reduce): Likewise.
5956 * profile.c (compute_branch_probabilities): New function, split
5958 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
5959 * regclass.c (regclass): Likewise.
5960 * regmove.c (regmove_optimize): Likewise.
5961 * toplev.c (compile_file): Likewise.
5962 (main): Don't mess with the stack rlimit.
5964 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
5966 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
5967 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
5969 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
5971 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
5973 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
5975 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
5976 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
5979 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
5981 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
5983 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
5985 * gcse.c (post_dominators): Kill.
5986 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
5987 (compute_code_hoist_data): Use compute_flow_dominators. Do not
5988 pass in a pdom array since we do not need pdoms.
5989 * haifa-sched.c (schedule_insns): Similarly.
5990 * flow.c (compute_dominators): Remove dead function.
5991 (compute_flow_dominators): Do not compute doms or pdoms if the
5992 caller does not request them. Split up loop to build doms and
5993 pdoms. Use a worklist to compute doms and pdoms.
5994 * basic-block.h (compute_dominators): Remove prototype.
5996 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
5998 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
5999 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6000 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6001 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6002 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6003 (schedule_region): Remove unused variable.
6004 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6006 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6008 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6009 (update_equiv_regs): Likewise.
6010 (block_alloc): Likewise.
6011 * reg-stack.c (reg_to_stack): Likewise.
6012 (convert_regs_2): Likewise.
6013 * reload1.c (reload_as_needed): Likewise.
6015 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6017 * Makefile.in (dbxout.o): Depend on ggc.h.
6018 (dwarf2out.o): Likewise.
6019 (xcoffout.o): Likewise.
6020 * dbxout.c: Include ggc.h.
6021 (dbxout_init): Register lastfile as a root.
6022 * dwarf2out.c: Include ggc.h.
6023 (dwarf2out_line): Register lastfile as a root.
6024 * xcoffout.c: Include ggc.h.
6025 (xcoffout_source_line): Register xcoff_lastfile as a root.
6027 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6029 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6031 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6033 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6035 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6037 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6039 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6040 (EXECUTE_IF_CONFLICT): Likewise.
6041 (ALLOCNO_LIVE_P): Avoid signed division.
6042 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6043 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6044 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6046 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6048 * haifa-sched.c (schedule_block): Don't crash if there's no
6049 next insn for an interblock movement.
6050 (add_branch_dependences): Don't allow clobber insns to move either.
6052 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6054 * i386.c (split_xf): New.
6055 * i386-protos.h: Declare it.
6056 * i386.md (movxf_1): Add general regs alternatives.
6057 (movxf_1+1): New splitter for same.
6059 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6061 * function.c (purge_addressof_1): Add missing return values.
6063 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6065 * function.c (is_addressof): New function. Returns true if
6066 the given piece of RTL is an ADDRESSOF.
6067 (purge_addressof_1): Make boolean. Return false if the
6068 ADDRESSOFs could not be purged.
6069 (purge_addressof): If ADDRESSOFs could not be purged from the
6070 notes attached to an insn, remove the offending note(s),
6071 unless they are attached to a libcall.
6073 1999-11-05 Andreas Jaeger <aj@suse.de>
6075 * genoutput.c (null_operand =): Initialize all fields.
6077 * errors.h: Add extern to prototypes.
6079 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6081 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6082 * configure: Rebuilt.
6084 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6086 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6087 (mirror_conflicts): New function.
6088 (global_alloc): Call it.
6089 (expand_preferences): Remove redundant CONFLICTP test.
6090 (find_reg, dump_conflicts): Likewise.
6091 (prune_preferences): Process conflicts one word at a time.
6093 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6095 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6096 instead of an explicit loop.
6098 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6100 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6101 if REG_RETVAL check succeeds, then put classp in src_elt.
6103 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6105 * function.c (pad_to_arg_alignment): Only update argument_pad
6106 if the argument's alignment is greater than STACK_BOUNDARY.
6108 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6110 * bitmap.h (BITMAP_XFREE): New.
6111 * flow.c (life_analysis): Use it.
6112 (life_analysis_1): Free blocks.
6114 * combine.c (undo_commit): New.
6115 (try_combine): Use it. Don't zap undobuf.undos.
6116 (combine_instructions): Don't zap undobuf.undos; free the
6119 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6121 * stmt.c (cost_table_): New.
6122 (estimate_case_costs): Use it instead of xmalloc.
6124 * toplev.c (compile_file): Reuse dumpname memory instead
6127 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6129 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6130 after verifying an EH edge.
6132 * haifa-sched.c (init_rgn_data_dependences): Correctly
6133 size bb_pending_lists_length when zeroing.
6135 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6137 * function.c (diddle_return_value): New.
6138 (expand_function_end): Use it.
6139 * stmt.c (expand_null_return): Likewise.
6140 (expand_value_return): Likewise.
6142 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6144 * reload1.c (reload): Don't remove return value clobbers.
6146 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6148 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6150 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6152 * cse.c (cse_main): Use xmalloc, not alloca.
6153 (cse_basic_block): Likewise.
6154 * local-alloc.c (local_alloc): Likewise.
6156 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6157 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6159 * rtl.c: Include toplev.h.
6160 (fatal): Remove declaration.
6162 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6164 * haifa-sched.c (schedule_block): Fix thinko.
6166 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6168 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6169 S_IR* defined values
6171 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6173 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6174 call `malloc' instead.
6176 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6178 * flags.h (flag_renumber_insns): Declare.
6179 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6181 * rtl.h (renumber_insns): Change prototype.
6182 * toplev.c (flag_renumber_insns): Define.
6183 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6185 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6187 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6188 and fpsqrtd. Use them and create fdiv function unit to more
6189 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6190 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6192 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6194 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6196 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6197 insn into ready list, do not use just a raw swap.
6199 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6201 * rtl.h (renumber_insns): New function.
6202 (remove_unnecessary_notes): Likewise.
6203 * emit-rtl.c (renumber_insns): Define.
6204 (remove_unncessary_notes): Likewise.
6205 * toplev.c (rest_of_compilation): Remove dead code.
6206 Use renumber_insns and remove_unncessary_notes.
6208 * gcse.c (struct null_pointer_info): New type.
6209 (get_bitmap_width): New function.
6210 (current_block): Remove.
6211 (nonnull_local): Likewise.
6212 (nonnull_killed): Likewise.
6213 (invalidate_nonnull_info): Take a null_pointer_info as input.
6214 (delete_null_pointer_checks_1): New function.
6215 (delete_null_pointer_checks): Use it.
6217 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6218 (split_edges): Likewise.
6219 (schedule_block): Likewise.
6220 (compute_block_backward_dependencies): Likewise.
6221 (schedule_region): Likewise.
6222 (schedule_insns): Likewise.
6224 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6226 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6227 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6228 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6229 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6230 * jump.c (delete_unreferenced_labels): Don't delete if
6231 LABEL_ALTERNATE_NAME is set.
6232 * print-rtl.c (print_rtx): Dump alternate name.
6233 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6234 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6235 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6236 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6238 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6240 * fix-header.c (recognized_extern, recognized_function): Constify
6243 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6244 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6245 (compute_available): Remove unused variable `last'.
6246 (compute_nearerout): Remove unused variable `temp_bitmap'.
6247 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6248 Remove unused variable `x'.
6250 * scan.h (recognized_function, recognized_extern): Constify a
6253 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6255 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6257 * varasm.c (decode_rtx_const): Use XSTR to access the string
6260 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6262 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6264 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6266 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6268 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6270 * pa.c (ireg_operand): New function.
6271 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6272 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6273 Fix out of date comment.
6275 * pa.md (negdi2): Turn into expander + anonymous pattern.
6277 * reload.c (find_reloads): Fix typos in recent change.
6279 * dwarf2out.c: Do not include ctype.h.
6281 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6283 * regclass.c (record_reg_classes): Always use may_move_cost when
6284 seeing how operand fits with various register classes.
6286 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6288 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6289 * toplev.c: Revert Nov 1 13:22 change.
6291 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6293 * config/pa/pa.md (height reduction patterns): Add checks for
6294 overlapping operands to avoid semantic-destroying splits for
6295 height reduction patterns.
6297 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6299 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6300 have been an hyphen, fixed.
6301 * configure: Rebuilt.
6303 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6305 * config/arm/tpe.h: Add prototypes for exported functions.
6306 * config/arm/pe.c: Fix compile time warnings.
6307 * config/arm/semi.h: Fix compile time warnings.
6308 * config/arm/arm.c: Fix compile time warnings.
6309 * config/arm/arm.h: Fix compile time warnings.
6310 * config/arm/arm.md: Fix compile time warnings.
6311 * config/arm/thumb.c: Fix compile time warnings.
6312 * config/arm/thumb.h: Fix compile time warnings.
6313 * config/arm/thumb.md: Fix compile time warnings.
6315 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6317 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6320 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6321 completely unrolled.
6323 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6325 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6327 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6329 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6330 * rtl.h (rtx_equal_p): Move prototype.
6331 * rtl.c (rtx_equal_function_value_matters): Move from
6333 (rtx_equal_p): Likewise.
6334 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6335 (rtx_equal_p): Likewise.
6337 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6339 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6342 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6344 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6346 * pa.h (ADDR_VEC_ALIGN): Define.
6348 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6349 notes when presented with "if (foo) break; end_of_loop" and
6350 the break sequence gets moved out of the loop.
6352 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6353 Remove explicit zero initializations of entries within MAP.
6355 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6357 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6359 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6361 * bitmap.h (BITMAP_XMALLOC): New macro.
6362 * flow.c (CLEAN_ALLOCA): Remove.
6363 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6364 (life_analysis): Likewise.
6365 (update_life_info): Don't use CLEAN_ALLOCA.
6366 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6367 (calculate_global_regs_live): Likewise.
6368 (print_rtl_with_bb): Likewise.
6369 (verify_flow_info): Likewise.
6370 * global.c (global_alloc): Likewise.
6371 (global_conflicts): Likewise.
6372 * integrate.c (save_for_inline_nocopy): Likewise.
6373 (expand_inline_function): Likewise.
6374 * jump.c (jump_optimize_1): Likewise.
6375 (duplicate_loop_exit_test): Likewise.
6376 (thread_jumps): Likewise.
6377 * loop.c (loop_optimize): Likewise.
6378 (combine_givs): Likewise.
6379 (recombine_givs): Likewise.
6380 * reorg.c (dbr_schedule): Likewise.
6381 * unroll.c (unroll_loop): Likewise.
6383 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6385 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6387 * toplev.c (rest_of_compilation): Don't optimize the CFG
6388 when rebuilding, just before dbr.
6390 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6392 * output.h (assemble_end_function, assemble_destructor,
6393 assemble_constructor, assemble_gc_entry, assemble_global,
6394 assemble_label, output_constant_pool) Constify a char*.
6396 * varasm.c (assemble_destructor, assemble_constructor,
6397 assemble_gc_entry, assemble_end_function, assemble_global,
6398 assemble_label, output_constant_pool): Likewise.
6400 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6402 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6403 explaining what is goin on in this function.
6405 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6407 * regclass.c (record_reg_classes): In matching case, recompute
6408 costs since the direction of movement is different.
6410 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6412 * resource.c (mark_target_live_regs): For unconditional branches,
6413 the resources found at the branch target should be added to the
6414 resources found so far, not intersected.
6416 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6418 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6420 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6421 (sys/mman.h): Include this file only if #HAVE_MMAP.
6422 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6423 with automatically concatenated ANSI strings.
6425 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6427 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6428 (DIV_ROUND_UP): Robustify.
6429 (ggc_recalculate_in_use_p): New function.
6430 (release_pages): Don't inline it.
6431 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6433 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6434 (clear_marks): Always save in_use_p.
6435 (sweep_pages): Use ggc_recalculate_in_use_p.
6436 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6437 Release pages before counting statistics.
6439 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6441 * toplev.c (rest_of_compilation): Fix thinko in this change:
6443 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6445 (rest_of_compilation): If inside an inlined external function,
6446 pretend we are just being declared.
6448 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6450 * flow.c (calculate_global_regs_live): Fix thinko.
6452 * integrate.c (expand_inline_function): Fix bugs in previous
6453 change from Oct 28, 1999.
6455 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6457 * stmt.c (expand_value_return): Fix typo in this change:
6459 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6460 (expand_value_return): Correctly convert VAL when promoting function
6461 return; support RETURN_REG being a PARALLEL.
6463 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6465 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6467 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * hard-reg-set.h (reg_names): Constify a char*.
6471 * regclass.c (reg_names): Likewise.
6473 * regs.h (reg_names): Likewise
6475 * a29k/a29k.c (reg_names): Delete declaration.
6477 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
6479 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
6480 arc_output_function_epilogue): Likewise.
6482 * elxsi/elxsi.c (reg_names): Likewise.
6484 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
6486 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
6489 * m88k/m88k.c (output_function_profiler): Likewise.
6491 * sparc/sparc.c (sparc_flat_output_function_prologue,
6492 sparc_flat_output_function_epilogue): Likewise.
6494 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
6496 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
6497 warning from -Wuninitialized and put it under -W.
6498 * function.c (uninitialized_vars_warning): Warn only when the
6499 corresponding flag is set.
6501 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
6503 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
6504 is nonzero and the single set does not have an elt, then assign
6507 * simplify-rtx.c: New file.
6508 * Makefile.in (OBJS): Add simplify-rtx.o
6509 (simplify-rtx.o): Add dependencies.
6510 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
6511 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
6512 (cse_gen_binary, simplify_unary_operation): Delete.
6513 (simplify_binary_operation, simplify_plus_minus): Likewise.
6514 (check_fold_consts, simplify_relation_operation): Likewise.
6515 (simplify_ternary_operation): Likewise.
6516 (delete_trivially_dead_insns): Simplify the contents of the
6517 REG_EQUAL note before trying to substitute it into the source
6518 of the reg-reg copy at the end of a libcall sequence.
6520 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
6521 references/callers changed.
6523 * mn10200.c (mn10200_va_arg): Force the return value into a
6526 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
6528 * cccp.c (macroexpand): Avoid out of range accesses for omitted
6531 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
6533 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
6535 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
6537 * fold-const.c (fold): Fix thinko when optimizing comparisons
6540 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
6542 * gcc.texi (Passes): Update front-end files to their current
6545 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
6547 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
6548 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
6549 (PREDICATE_CODES): Add addition_operation.
6550 * alpha-protos.h (addition_operation): Declare.
6551 (secondary_reload_class): Likewise.
6552 * alpha.c (addition_operation): New.
6553 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
6554 * alpha.md (adddi3): Turn into expander.
6555 (*lda, *adddi_2): New.
6556 (movsf, movdf patterns): Don't preference integer regs.
6557 (movsi, movdi patterns): Don't preference fp regs.
6559 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
6561 * genrecog.c (write_switch): Check for duplicate CODE cases.
6563 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
6565 * ggc-common.c: Update pre-function commentary.
6566 * ggc-page.c: Likewise.
6568 (poison_pages): Use memset directly.
6569 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
6570 (ggc_collect): Poison before sweeping.
6571 * ggc-simple.c: Update pre-function commentary.
6572 (ggc_alloc_obj): Poison non-zeroed memory.
6574 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
6576 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
6577 match format string, even on 64-bit hosts.
6578 * gcc-page.c (ggc_page_print_statistics): Likewise.
6580 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
6582 * config/i386/i386.c (ix86_cpu): Revert last patch.
6583 * config/i386/i386.h (ix86_cpu): Ditto.
6585 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
6587 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
6588 TYPE_SIZE, convert type of result to sizetype.
6590 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
6592 * flow.c (count_or_remove_death_notes): Equate NULL with the
6595 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
6596 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
6599 * i386.c (pic_label_no): Delete.
6600 (ix86_attr_length_default): Don't use single_set to peek
6603 * recog.c (peephole2_optimize): Allow recog_next_insn to index
6604 the first insn after bb->end.
6605 * i386.md (push mem peeps): Scratch is live after evaluation
6607 (cmp mem peep): Similarly.
6609 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
6611 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
6612 * function.c (pad_to_arg_alignment): Add missing braces.
6614 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6616 * alpha/alpha-protos.h (literal_section): Add prototype.
6617 (alpha_need_linkage, alpha_start_function,alpha_end_function):
6620 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
6622 (alpha_start_function, alpha_end_function, float_strings,
6623 alpha_need_linkage): Constify a char*
6625 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
6627 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
6629 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6631 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6633 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6635 * flow.c (debug_flow_info): Add prototype.
6637 * gcc.c (main): Likewise.
6639 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
6642 * reload1.c (failed_reload, set_reload_reg): Likewise.
6644 * mips-tfile.c (main): Likewise.
6645 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
6646 with ATTRIBUTE_NORETURN.
6648 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
6650 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
6651 DECL is not a memory ref.
6653 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
6655 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
6656 * config/i386/i386.c (ix86_cpu): Add extern attribute.
6658 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
6660 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
6661 * config/mips/elf64.h: ditto.
6663 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
6665 * expr.c (emit_push_insn): New argument alignment_pad.
6666 Update all callers. Adjust stack pointer based on alignment pad.
6667 * function.c (pad_to_arg_alignment): New argument alignment_pad.
6668 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
6669 (locate_and_pad_parm): New argument alignment_pad. Update all
6671 * expr.h (emit_push_insn): Update prototype.
6672 (locate_and_pad_parm): Update prototype.
6673 * calls.c (arg_data): Add new field alignment_pad.
6674 (initialize_argument_information): Initialize alignment_pad.
6676 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
6678 * except.c (free_eh_nesting_info): Free the info itself.
6679 * function.c (free_after_compilation): Don't free NULL.
6680 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
6681 (pre_edge_insert): Free inserted.
6682 * stmt.c (free_stmt_status): Don't free NULL.
6684 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6686 * gcov.c (DIR_SEPARATOR): Provide default.
6687 (output_data): Add test for MS-DOS format absolute filename.
6688 (fancy_abort): Correct program name.
6689 (open_files): Open all files in binary mode.
6690 * libgcc2.c (__bb_exit_func): Likewise.
6692 * profile.c (init_branch_prob): Specify binary when opening files.
6694 * flags.h (flag_unwind_tables): New decl.
6695 * toplev.c (flag_unwind_table): New definition.
6696 (f_options): Add -funwind-tables.
6697 (decode_g_option): Clarify warning when unknown -g option is given.
6698 (rest_of_compilation): If inside an inlined external function,
6699 pretend we are just being declared.
6701 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
6702 (dwarf2out_frame_finish): Likewise.
6704 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
6706 * fold-const.c (merge_ranges): If not in0, but in1, handle
6707 upper bounds equal like subset case.
6709 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
6711 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
6712 passed in a register but moved to the stack.
6714 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
6716 * gcc.c (pass_exit_codes, greatest_status): New variables.
6717 (struct option_map): Add entry for "--pass-exit-codes".
6718 (execute): Update greatest_status if error.
6719 (display_help): Add documentation for -pass-exit-codes.
6720 (process_command): Handle -pass-exit-codes.
6721 (main): Look at pass_exit_codes and greatest_status on call to exit.
6723 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6725 * reload.c (find_reloads): Refine test for no input reload
6726 case to not includes reloads emitted after insn.
6728 * function.c (find_temp_slots_from_address): Handle sum involving
6729 a register that points to a temp slot.
6730 (update_temp_slot_address): Make recursive call if both old and
6731 new are PLUS with a common operand.
6732 * calls.c (expand_call): Mark temp slot for result as having
6735 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
6737 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
6738 component as well as "BINUTILS".
6740 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
6741 * integrate.c (copy_rtx_and_substitute): Likewise.
6742 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
6743 All callers changed.
6744 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
6746 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
6747 gdb extensions, write size of type; also be more consistent
6748 in using references when this is a subtype.
6750 * pa.md (extv, extzv, insv): Use define_expand to reject constant
6751 that is out of range.
6753 * loop.c (unknown_constant_address_altered): New variable.
6754 (prescan_loop): Initialize it.
6755 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
6756 (invariant_p, case MEM): Remove handling for volatile and readonly;
6757 check new variable if readonly.
6758 (check_dbra_loop): Chdeck unknown_constant_address_altered.
6760 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
6761 (addr_affects_sp_p): Removed from note_mem_written and only
6762 define #ifdef AUTO_INC_DEC.
6764 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
6766 * regclass.c (record_reg_classes): Properly handle register move
6769 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
6770 Don't think valid if both operands are invalid.
6771 (struct constant_descriptor): New field RTL.
6772 (mark_const_hash_entry): Mark it.
6773 (record_constant{,_rtx}): Initialize it.
6774 (output_constant_def): Allocate RTL in permanent obstack and
6776 ({record,compare}_constant_1): Modes must match for
6777 CONSTRUCTOR of ARRAY_TYPE.
6779 * c-common.h (initializer_constant_valid_p): Delete decl from here.
6780 * output.h (initializer_constant_valid_p): Move decl to here.
6781 * c-common.c (initializer_constant_valid_p): Delete function from here.
6782 * varasm.c (initializer_constant_valid_p): Move function to here.
6784 * tree.h (STRIP_SIGN_NOPS): New macro.
6785 * fold-const.c (optimize_minmax_comparison): New function.
6786 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
6787 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
6788 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
6789 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
6790 widening conversions.
6791 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
6792 to look at size of mode, not precision of type; also add missing cases.
6793 (optimize_bit_field_compare, decode_field_reference): Don't try to
6794 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
6796 * dwarf2out.c (ctype.h): Include.
6797 (dwarf2out_set_demangle_name_func): New function.
6798 (size_of_line_info): Deleted.
6799 (output_line_info): Compute size of line info table from difference
6801 (base_type_die, add_name_attribute): Call demangle function, if any.
6802 (field_byte_offset): Use bits per word for variable length fields.
6803 (gen_array_type_die): Add array name.
6804 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
6805 (dwarf2out_add_library_unit_info): New function.
6807 * explow.c (set_stack_check_libfunc): New function.
6808 (stack_check_libfunc): New static variable.
6809 (probe_stack_range): Allow front-end to set up a libfunc to call.
6811 * combine.c (simplify_comparison): When making comparison in wider
6812 mode, check for having commuted an AND and a SUBREG.
6813 (contains_muldiv): New function.
6814 (try_combine): Call it when dividing a PARALLEL.
6815 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
6816 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
6818 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
6819 use one of the CLOBBERs instead.
6820 (if_then_else_cond): If comparing against zero, just return thing
6823 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
6824 Don't generate shifts and subtract if have conditional arithmetic.
6826 * rtl.h (delete_barrier): New declaration.
6827 * jump.c (jump_optimize): Set up to handle conditional call.
6828 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
6829 (delete_barrier): New function.
6831 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
6833 * recog.c (nonmemory_operand): Accept ADDRESSOF.
6835 * tree.c (build_type_attribute_variant): Push to obstack of
6836 ttype around type_hash_canon call.
6838 * expr.c (placeholder_list): Move decl to file scope.
6839 (expand_expr): Don't force access to volatile just because its
6841 If ignoring reference operations, just expand the operands.
6842 (expand_expr, case COMPONENT_REF): Propagate
6843 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
6844 Refine test for using bitfield operations vs pointer punning.
6845 (expand_expr, case CONVERT_EXPR): If converting to
6846 BLKmode UNION_TYPE from BLKmode, just return inner object.
6847 Use proper mode in store_field call.
6848 Properly set sizes of object to store and total size in store_field
6849 call for convert to union.
6850 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
6851 memory (like for ADDR_EXPR). Also, don't put constant in register if
6852 we'll want it in memory.
6853 (readonly_fields_p): New function.
6854 (expand_expr, case INDIRECT_REF): Call it if LHS.
6855 (expand_assignment): Handle a RESULT_DECL where
6856 DECL_RTL is a PARALLEL.
6857 (do_jump, case WITH_RECORD_EXPR): New case.
6858 (get_inner_reference): Always go inside a CONVERT_EXPR
6859 and NOP_EXPR if both modes are the same.
6860 (store_field): Use bitfield operations if size of bitsize is not same
6861 as size of RHS's type.
6862 Check for bitpos not a multiple of alignment in BLKmode case.
6863 Do block move in largest possible alignment.
6864 (store_constructor): Set BITSIZE to -1 for variable size and properly
6865 in case of array of BLKmode.
6866 (expand_expr_unaligned): New function.
6867 (do_compare_and_jump): Call it.
6869 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
6870 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
6871 does not include 'o'.
6873 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
6874 both SET_DEST and SET_SRC reference a virtual register.
6875 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
6877 * integrate.c (expand_inline_function): Handle case of setting
6878 virtual stack vars register (from built in setjmp); when parameter
6879 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
6880 (subst_constant): Add new parm, MEMONLY.
6881 (expand_inline_function, integrate_parm_decls): Pass new parm.
6882 (integrate_decl_tree): Likewise.
6883 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
6884 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
6885 (copy_rtx_and_substitute, case SET): Add explicit calls to
6886 copy_rtx_and_substitute for both sides.
6888 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
6890 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
6891 within INDEX_TYPE, instead of before.
6892 (fixup_gotos): Use f->target_rtl, not the next insn,
6893 since latter may be from a later fixup.
6894 (expand_value_return): Correctly convert VAL when promoting function
6895 return; support RETURN_REG being a PARALLEL.
6896 (expand_return): When checking for result in regs and having
6897 cleanup, consider PARALLEL in DECL_RTL as being in regs.
6899 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
6901 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
6902 last_nominal_fname): Mark const.
6903 (struct include_hash: name, nshort, control_macro): Mark
6905 (struct macrodef: symnam): Mark const.
6906 (struct if_stack: fname): Mark const.
6907 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
6908 (IStable): New character-syntax array which encompasses all
6909 the old is_foo arrays.
6910 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
6911 is_space): New macros for interrogating IStable.
6912 (check_macro_name): Kill last argument. All callers changed.
6914 * cppinit.c (initialize_char_syntax): Delete.
6915 (is_idchar, is_idstart, is_hor_space, is_space,
6916 trigraph_table): Delete.
6917 (IStable): New. Initialize with clever macros to avoid
6918 information duplication.
6919 (builtin_array): Table of builtins to get rid of explicit list
6920 in initialize_builtins.
6921 (initialize_builtins): Use builtins_array.
6922 (cpp_start_read): Call init_IStable, and set IStable['$'] if
6923 opts->dollars_in_ident.
6925 * cppexp.c: Change all refs to is_xyz[] arrays to use new
6927 (cpp_parse_expr): Avoid 'format string is not constant'
6928 warning. Use ISGRAPH to identify printable chars.
6929 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
6931 (read_and_prescan): Map trigraphs to chars with open-coded
6932 if-else-if-... sequence, not a lookup table.
6933 * cpphash.c: Change all refs to is_xyz[] arrays to use new
6935 * cpplib.c: Change all refs to is_xyz[] arrays to use new
6936 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
6937 (check_macro_name): Remove ability to report an invalid
6938 assertion name, which is never used.
6939 (do_line): Constify a couple of char *'s.
6940 * cppmain.c (main): Call cpp_cleanup before returning.
6942 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
6944 * ggc.h (struct ggc_statistics): New type.
6945 (ggc_get_size): New function.
6946 (ggc_print_statistics): Likewise.
6947 * ggc-common.c (ggc_stats): New variable.
6948 (ggc_mark_rtx_children): Keep statistics.
6949 (ggc_mark_tree_children): Likewise.
6950 (ggc_print_statistics): New function.
6951 * ggc-page.c (struct globals): Add bytes_mapped field.
6952 (alloc_anon): Update it.
6953 (release_pages): Likewise.
6954 (ggc_get_size): New function.
6955 (ggc_page_print_statistics): New function.
6956 * ggc-simple.c (ggc_get_size): New function.
6958 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
6960 * flow.c (propagate_block): When the last reference to a label
6961 before an ADDR_VEC is deleted because the reference is a dead
6962 store, delete the ADDR_VEC.
6964 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
6966 * resource.c (find_free_register): Don't use the frame pointer
6967 if frame_pointer_needed.
6969 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
6971 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
6972 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
6974 * config/i960/i960.c (i960_va_start): New locals base, num.
6975 Use INDIRECT_REF instead of ARRAY_REF on valist.
6976 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
6978 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
6980 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
6982 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
6984 * tree.def (PLACEHOLDER_EXPR): Update comments.
6986 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6988 * c-common.c (check_format_info): Avoid non-literal format string
6989 warnings when `first_arg_num' is zero.
6991 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6993 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
6995 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6997 * arm.md (casesi_insn): Add a clobber of the condition code
7000 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7002 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7003 used by both cc1 and cc1plus.
7005 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7007 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7008 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7009 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7010 to the value 32 if it has not already been defined.
7011 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7012 Override definition in arm.h with a value of 8.
7014 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7016 * c-pragma.c (push_alignment): Don't check the return value
7019 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7021 * sparc.h (ADJUST_COST): Fix thinko.
7023 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7025 * cccp.c (rescan): Fixed obp pointer handling around call to
7026 check_expand subroutine.
7028 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7030 * gcse.c (delete_null_pointer_checks): Only record non-null info
7031 for pseudos when examining stores.
7033 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7034 splitters for these patterns. Use "#" for output templates.
7035 (addsi3_carryin_shift): New pattern.
7037 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7039 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7040 of the function return register into a plain REG until
7041 after function inlining is done.
7043 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7045 * jump.c (jump_optimize_1): If we did cross-jumping, and
7046 the data will matter, rebuild the CFG.
7047 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7048 not optimizing. Don't run shorten_branches.
7049 * toplev.c (rest_of_compilation): Run shorten_branches after
7052 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7054 * rtl.h (note_stores): Add additional paramter.
7055 * rtlanal.c (reg_set_p_1): Take additional paramter.
7056 (reg_set_last_1): Likewise.
7057 (reg_set_p): Adjust call to note_stores.
7058 (reg_set_last): Likewise.
7059 (note_stores): Pass data parameter to worker function.
7060 * alias.c (record_set): Take additional parameter.
7061 (init_alias_analysis): Pass it.
7062 * caller-save.c (mark_set_regs): Take additional parameter.
7063 (save_call_clobbered_regs): Pass NULL to note_stores.
7064 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7066 (record_dead_and_set_regs_1): Likewise.
7067 (reg_dead_at_p_1): Likewise.
7068 (combine_instructions): Adjust calls to note_stores.
7069 (try_combine): Likewise.
7070 (record_dead_insn): Remove.
7071 (record_dead_and_set_regs): Adjust calls to note_stores.
7072 (reg_dead_at_p): Likewise.
7073 * cse.c (invalidate_skipped_set): Take additional parameter.
7074 (cse_check_loop_start): Likewise.
7075 (cse_check_loop_start_value): Remove.
7076 (cse_set_around_loop): Adjust calls to note_stores.
7077 * flow.c (notice_stack_pointer_modification): Take additional
7078 parameter. Remove duplicate declaration.
7079 (record_volatile_insns): Adjust calls to note_stores.
7080 * gcse.c (record_set_info): Take additional parameter.
7081 (record_last_set_info): Likewise.
7082 (invalidate_nonnull_info): Likewise.
7083 (record_set_insn): Remove.
7084 (compute_sets): Adjust calls to note_stores.
7085 (last_set_insn): Remove.
7086 (compute_hash_table): Adjust calls to note_stores.
7087 (insert_insn_end_bb): Likewise.
7088 (delete_null_pointer_checks): Likewise.
7089 * global.c (mark_reg_store): Take additional parameter.
7090 (mark_reg_clobber): Likewise.
7091 (reg_becomes_live): Likewise.
7092 (global_conflicts): Adjust calls to note_stores.
7093 (build_insn_chain): Likewise.
7094 * integrate.c (note_modified_parmregs): Take additional parameter.
7095 (mark_stores): Likewise. Make it static.
7096 (save_for_inline_nocopy): Adjust calls to note_stores.
7097 (try_constants): Likewise.
7098 * integrate.h (mark_stores): Remove declaration.
7099 * jump.c (mark_modified_reg): Take additional parameter.
7100 (thread_jumps): Adjust calls to note_stores.
7101 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7103 (no_equiv): Likewise.
7104 (reg_is_set): Likewise.
7105 (validate_equiv_mem): Adjust calls to note_stores.
7106 (update_equiv_regs): Likewise.
7107 (block_alloc): Likewise.
7108 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7109 (note_addr_stored): Take additional parameter.
7110 (note_set_pseudo_multiple_uses): Likewise.
7111 (record_initial): Likewise.
7112 (prescan_loop): Adjust calls to note_stores.
7113 (strength_reduce): Likewise.
7114 (check_dbra_loop): Likewise.
7115 * regmove.c (flags_set_1): Take additional paramter.
7116 (mark_flags_life_zones): Adjust calls to note_stores.
7117 * reload1.c (mark_not_eliminable): Take additional parameter.
7118 (forget_old_reloads_1): Likewise.
7119 (reload_cse_invalidate_rtx): Likewise.
7120 (reload_cse_check_clobber): Likewise.
7121 (reload_combine_note_store): Likewise.
7122 (move2add_note_store): Likewise.
7123 (reload): Adjust calls to note_stores.
7124 (reload_as_needed): Likewise.
7125 (emit_reload_insns): Likewise.
7126 (reload_cse_regs_1): Likewise.
7127 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7128 (reload_combine): Adjust calls to note_stores.
7129 * resource.c (update_live_status): Take additional paramter.
7130 (mark_target_live_regs): Adjust calls to note_stores.
7131 * stupid.c (find_clobbered_regs): Take additional parameter.
7132 (stupid_life_analysis): Adjust calls to note_stores.
7134 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7136 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7139 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7142 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7143 of the variable arm_structure_size_boundary.
7145 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7147 * alias.c (init_alias_analysis): Allocate reg_known_value and
7148 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7150 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7151 * cse.c (cse_main): Call end_alias_analysis.
7152 * haifa-sched.c (schedule_insns): Likewise.
7153 * local-alloc. (update_equiv_regs): Likewise.
7154 * reload1.c (reload_cse_regs): Likewise.
7156 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7158 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7159 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7160 mapping from MASK_FPU.
7162 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7164 * sparc.md (call): Don't bound structure return size to 0xfff.
7166 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7168 * resource.c (mark_target_live_regs): Check that the target
7169 insn wasn't created after compute_bb_for_insn.
7171 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7173 * ggc-page.c (poison_pages): Don't be overzealous.
7175 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7177 * alias.c: Update comments for ADDRESS.
7178 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7179 it is a local memory reference.
7181 * c-typeck.c (build_function_call): Check that the built-in
7182 function is of class BUILT_IN_NORMAL before trying to recongize
7184 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7185 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7187 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7189 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7191 (pre_gcse): Likewise.
7192 (hoist_expr_reaches_here_p): Likewise.
7193 (hoist_code): Likewise.
7194 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7196 (pre_expr_reaches_here_p_work): ... here.
7197 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7199 (expr_reaches_here_p_work): ... here.
7201 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7203 * resource.c (find_basic_block): Delete.
7204 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7205 (init_resource_info): Call compute_bb_for_insn.
7207 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7209 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7210 with already adjacent blocks, but no fallthru.
7211 (merge_blocks_move_successor_nojumps): Simplify.
7212 (debug_flow_info): New.
7214 * toplev.c (rest_of_compilation): Open jump1 dump file before
7215 jump and close after, as opposed to just using dump_rtl.
7217 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7219 * reload.h (earlyclobber_operand_p): Declare.
7220 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7221 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7222 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7223 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7225 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7226 Richard Henderson <rth@cygnus.com>
7228 * emit-rtl.c (emit_block_insn_before): New.
7229 (emit_block_insn_after): New.
7230 * basic-block.h: Declare them.
7232 * bitmap.h: Protect from multiple inclusion.
7234 * recog.c (scratch_operand): Handle VOIDmode correctly.
7236 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7238 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7239 * function.c (assign_parms): Likewise.
7240 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7242 * reg-stack.c (max_uid): Remove.
7243 (blocks, block_begin, block_end, block_drops_in): Remove.
7244 (block_stack_in, block_out_reg_set, block_number): Remove.
7245 (struct block_info_def, BLOCK_INFO): New.
7246 (enum emit_where): New.
7247 (current_block): New.
7248 (BLOCK_NUM): Remove.
7249 (mark_regs_pat, record_label_references): Remove.
7250 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7252 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7253 (reg_to_stack): Simplified test for existance of fp code. Use
7254 flow.c code. Call shorten_branches after cross-jump opt.
7255 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7256 Return false if the asm doesn't use stack regs. Don't do life
7257 analysis on the asm.
7258 (emit_pop_insn): Replace function pointer arg `when' with
7259 enum `where'. Update all callers.
7260 (change_stack): Likewise. Update basic block end.
7261 (emit_swap_insn): Use current_block->head to limit reverse search
7262 for start of block. Use emit_block_insn_after.
7263 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7264 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7265 structure assignment instead of bcopy.
7267 (convert_regs_entry, convert_regs_exit): New.
7268 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7269 Work on basic blocks and the CFG.
7270 (convert_regs): Use them.
7272 * i386.c (output_fix_trunc): Remove code for DImode input operand
7273 not at top-of-stack.
7274 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7276 (fix_truncdi_1): Allow any mode scratch.
7278 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7280 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7281 * linux.h, netbsd.h, vms.h: Not here.
7283 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7285 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7286 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7287 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7288 CONDITIONAL_REGISTER_USEAGE): Use them.
7289 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7290 gen_conditional_branch,override_options) : Use them.
7291 * config/mips/mips.md : Use them.
7293 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7295 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7297 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7299 * integrate.c (function_cannot_inline_p): Don't allow inlining
7302 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * c-parse.in (cast_expr): Constify.
7306 * cccp.c (special_symbol): Likewise.
7308 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7310 * dwarf2out.c (base_type_die): Likewise.
7312 * global.c (allocno_compare): Likewise.
7314 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7316 * regclass.c (fix_register): Likewise.
7318 * rtl.h (fix_register): Likewise.
7320 * stupid.c (stupid_reg_compare): Likewise.
7322 * toplev.c (decode_f_option): Likewise.
7324 * tree.c (build_complex_type): Likewise.
7326 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7328 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7330 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7332 * reload.c (find_reloads): Compute mode and nregs fields of all
7334 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7335 (calculate_needs): Use precomputed mode/nregs values.
7336 (allocate_reload_reg): Likewise.
7338 (failed_reload, set_reload_reg): ... new functions.
7339 (choose_reload_regs_init): New function, mostly broken out from...
7340 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7341 Also lose one #if 0 block.
7343 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7345 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7348 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7350 * tree.h (BLOCK_TYPE_TAGS): Remove.
7351 (BLOCK_END_NOTE): Likewise.
7352 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7353 (BLOCK_LIVE_RANGE_START): Likewise.
7354 (BLOCK_LIVE_RANGE_END): Likewise.
7355 (tree_block): Remove live_range_flag, live_range_var_flag, and
7356 type_tags. Remove end_note, live_range_start, and live_range_end.
7357 (remember_end_note): Remove prototype.
7358 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7359 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7361 * ggc-common.c (ggc_mark_tree_children): Don't mark
7362 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7363 * integrate.c (adjust_copied_decl_tree): Remove.
7364 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7365 * stmt.c (last_block_end_note): Remove.
7366 (init_stmt): Don't add a GC root for it.
7367 (expand_fixup): Don't set it.
7368 (remember_end_note): Remove.
7369 (expand_end_bindings): Don't set last_block_end_note.
7371 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7373 * reload1.c (reload_reg_free_for_value_p): Show
7374 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7377 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7379 * expmed.c (extract_bit_field): Allow for the case of non-integer
7380 objects that are smaller than a word (like SFmode on a 64-bit
7383 * loop.c (basic_induction_var): A non-integer variable which is
7384 being set by a paradoxical subreg is probably not a biv.
7386 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7388 * prefix.c (translate_name) Check for empty prefix string.
7390 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7392 * Makefile.in (CPP_CROSS_NAME): New variable.
7393 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7395 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7396 names of the files to be uninstalled.
7398 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7400 * collect2.c (IS_DIR_SEPARATOR): Define.
7401 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7403 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7406 * haifa-sched.c (add_dependence): Update the true dependency
7407 cache the first time we add a true dependence to the LOG_LINKS chain.
7409 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7411 * fold-const.c (fold): Fix comment.
7413 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7415 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7416 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7417 dbxout_start_new_source_file, dbxout_source_file,
7418 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7419 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7421 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7422 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7423 (dbxout_block): Initialize variable `blocknum'.
7425 * dbxout.h (dbxout_init, dbxout_finish,
7426 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7427 dbxout_args, dbxout_source_line): Constify a char*.
7429 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7430 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7431 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7432 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7433 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7434 src_info_attribute, mac_info_attribute, producer_attribute,
7435 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7436 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7437 dwarfout_undef): Constify a char*.
7438 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7440 * dwarfout.h (dwarfout_define, dwarfout_undef,
7441 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7443 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7445 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7446 (MULTILIB_ISA_DEFAULT): New.
7447 (MULTILIB_DEFAULTS): Use it.
7448 * config/mips/mips.c (): Remove the now unnecessary definition
7449 of MIPS_ISA_DEFAULT.
7450 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7451 unnecessary definition.
7453 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7455 * arm.md (pic_load_addr): Add constraints to operand 1.
7457 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7459 * fixinc/genfixes: Provide a means for specifying -D options to
7462 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7464 * arm.c (arm_override_options): Correct initialization of
7465 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7466 arm_is_strong, and arm_is_6_or_7.
7468 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
7469 (note_set_pseudo_multiple_uses): New function.
7470 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
7471 if a pseudo set in the loop exit is used elsewhere.
7473 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
7475 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
7477 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
7479 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
7480 a single load-address pattern.
7482 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
7484 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
7485 depending on whether or not line-number notes are present.
7487 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7489 * cccp.c (progname, file_buf, default_include, include_file,
7490 macrodef, definition, hashval, wchar_type, user_label_prefix,
7491 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
7492 expand_to_temp_buffer, is_system_include, base_name,
7493 absolute_filename, read_name_map, open_include_file,
7494 record_control_macro, check_precompiled, check_preconditions,
7495 pcfinclude, pass_thru_directive, create_definition,
7496 check_macro_name, comp_def_part, collect_expansion,
7497 check_assertion, read_token_list, assertion_install,
7498 assertion_lookup, eval_if_expression, conditional_skip,
7499 validate_else, skip_quoted_string, quote_string, macarg1,
7500 error_from_errno, install, lookup, hashf, dump_defn_1,
7501 perror_with_name, pfatal_with_name, main, trigraph_pcp,
7502 check_white_space, rescan, handle_directive, monthnames,
7503 special_symbol, do_include, remap_include_file, write_output,
7504 arglist, do_assert, do_unassert, do_line, do_error, do_once,
7505 do_ident, do_sccs, do_xifdef, skip_if_group,
7506 output_line_directive, macroexpand, macarg, change_newlines,
7507 initialize_builtins, make_definition): Constify a char*.
7509 * pcp.h (stringdef): Likewise.
7511 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
7513 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
7516 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
7517 Richard Henderson <rth@cygnus.com>
7519 * alias.c: Include ggc.h.
7520 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
7521 (record_set): Verify enough room in reg_base_value.
7522 (init_alias_analysis): Allocate reg_base_value with xcalloc.
7523 Register it as a GC root.
7524 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
7525 * Makefile.in (alias.o): Depend on ggc.h.
7527 * unroll.c (unroll_loop): Verify the insn before a barrier
7528 is a JUMP_INSN before checking JUMP_LABEL.
7530 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7532 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
7533 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
7534 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
7535 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
7536 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
7537 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
7539 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * output.h (ctors_section, dtors_section, bss_section): Prototype.
7543 * alpha/alpha-interix.h (text_section): Delete prototype.
7544 * alpha/elf.h (text_section): Likewise.
7545 * arm/linux-elf.h (text_section): Likewise.
7546 * arm/linux-telf.h (text_section): Likewise.
7547 * c4x/c4x.h (text_section): Likewise.
7548 * dsp16xx/dsp16xx.h (bss_section): Likewise.
7549 * elfos.h (text_section): Likewise.
7550 * i386/aix386ng.h (text_section): Likewise.
7551 * i386/i386-interix.h (text_section): Likewise.
7552 * i386/sco5.h (text_section): Likewise.
7553 * i386/svr3gas.h (text_section): Likewise.
7554 * nextstep.h (text_section): Likewise.
7555 * psos.h (text_section): Likewise.
7556 * ptx4.h (text_section): Likewise.
7557 * svr3.h (text_section): Likewise.
7558 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
7560 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7562 * final.c (peephole): Delete prototype.
7564 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
7565 (pre_insert_copies): Remove unused variable `bb'.
7567 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
7570 * output.h (peephole): Add prototype.
7572 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
7574 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
7577 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
7579 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
7580 for inlined declarations.
7582 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
7584 * arm.c (logical_binary_operator): New fucntion.
7585 * arm.h (logical_binary_operator): Declare it.
7586 (PREDICATE_CODES): Handle logical_binary_operator.
7587 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
7588 output constraints. Add appropriate splitters.
7589 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
7590 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
7591 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
7593 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7595 * genoutput.c (struct operand_data): New elt eliminable.
7596 (output_operand_data): Write it.
7597 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
7598 (compare_operands): Take it into account.
7599 * recog.h (struct insn_operand_data): New elt eliminable.
7600 * reload1.c (check_eliminable_occurrences, elimination_effects): New
7602 (old_asm_operands_vec, new_asm_operands_vec): Delete.
7603 (eliminate_regs): Move code that detects changes to elimination
7604 target regs into new function elimination_effects.
7605 Delete one #if 0 block.
7606 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
7607 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
7608 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
7609 Only call eliminate_regs for real operands of the insn, not for parts
7610 of its structure or parts matched by things like match_operator.
7611 Use elimination_effects and check_eliminable_occurrences. Use
7612 copy_insn to duplicate the pattern when not in the final pass.
7614 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
7616 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
7619 1999-10-22 Bruce Korb <autogen@linuxbox.com>
7621 * fixinc/README: document the "mach" machine matching test
7622 * fixinc/fixfixes.c: Implement the #else/#endif label fix
7623 * fixinc/fixtests.c: Implement the #else/#endif label test
7624 * fixinc/inclhack.def: utilize these tests and fixes
7625 * fixinc/inclhack.sh: regen
7626 * fixinc/fixincl.x: regen
7627 * fixinc/fixincl.sh: regen
7629 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
7631 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
7634 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
7636 * gcc.1: Document exit codes.
7638 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7640 * calls.c: Include tm_p.h later, so everything we need is defined.
7642 * function.c: Likewise.
7644 * except.c: Include tm_p.h.
7646 * sparc.c: Likewise.
7647 (dwarf2out_cfi_label): Don't prototype.
7648 (check_return_regs, epilogue_renumber,
7649 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7650 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
7651 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
7652 ultra_schedule_insn): Add static prototype.
7653 (data_segment_operand, text_segment_operand): Call itself with the
7654 proper number of arguments.
7655 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
7657 * sparc.h: Move all declarations to sparc-protos.h.
7658 (SELECT_RTX_SECTION): Pass a missing MODE argument to
7661 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
7663 * config/svr4.h (text_section, ctors_section, dtors_section): Add
7665 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
7666 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7667 ASM_OUTPUT_ASCII): Constify a char*.
7669 * sparc-protos.h: New file for sparc prototypes.
7671 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7673 * function.c (record_insns, contains): Always declare and define.
7674 (record_insns): Mark with ATTRIBUTE_UNUSED.
7676 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
7678 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
7679 to .section when outputting a .bss section to deal with multiple
7680 .bss input sections (as happens with -fdata-sections)
7681 Also output %progbits, not @progbits so the assembler doesn't treat as
7683 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
7685 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
7686 thumb parts even when building with non-thumb CPUs, by forcing
7689 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
7691 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
7692 (movdf_const_intreg_sp64): Similarly.
7694 * local-alloc.c (update_equiv_regs): Check the correct insn
7695 for pre-existing REG_EQUIV notes.
7697 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
7699 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
7700 block reached by a branch if we're not going to actually process
7703 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
7705 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
7706 a local extern function declaration.
7708 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
7710 * i386.c (ix86_expand_prologue): Properly wrap USE around
7711 reg for CALL_INSN_FUNCTION_USAGE.
7713 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
7715 * config/mips/mips.md (movdf_internal1a): Allow floating-point
7716 move between GP_REGs.
7718 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
7720 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
7721 the mode size when finding out if an offset is legal.
7723 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
7725 * basic-block.h (PROP_*): Move constants from ...
7727 (compute_bb_for_insn): Free the array before reallocating.
7728 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
7729 (allocate_reg_life_data): Reset all reg variables collected by
7731 (get_block_head_tail): Don't convert from bb to block.
7732 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
7733 (find_insn_reg_weight): Take block not bb.
7734 (schedule_block): Don't set block num for moved insns.
7735 (schedule_region): Don't update_life_info or find_insn_reg_weight.
7736 (schedule_insns): Do it here instead.
7737 * combine.c (combine_instructions): Invoke compute_bb_for_insn
7738 before update_life_info.
7739 * recog.c (split_all_insns, peephole2_optimize): Update for
7740 new arg to update_life_info.
7741 * rtlanal.c (remove_note): Cope with NULL note.
7742 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
7745 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
7747 * jump.c (jump_optimize_1): More accurately detect casesi insns.
7749 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
7750 block records so that merge_blocks_nomove will clean up correctly.
7751 (split_edge): Handle casesi insns.
7753 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
7755 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
7757 * pa.md (call, call_value): Do not emit a blockage after restoring
7760 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
7762 * c-typeck.c (c_expand_asm_operands): Fix typo.
7764 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7766 * arm.c (fpu_rhs_operand): Verify modes.
7767 (fpu_add_operand): Likewise.
7768 (di_operand): Likewise.
7769 (soft_df_operand): Likewise.
7771 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
7773 * arm.c (arm_return_in_memory): APCS rules state that the elements
7774 of a structure returned in a register must be 'integer-like'.
7776 1999-10-19 Bruce Korb <autogen@linuxbox.com>
7778 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
7779 in the source tree when the generated targets are out of date
7780 * fixinc/genfixes: Alter it to run individual fixes for make.
7781 * fixinc/README: rewrite
7782 * fixinc/inclhack.def: moved initial comments to README
7784 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
7786 * toplev.c (main): Do not generate an error message if an
7787 unrecognised command line switch is recognisable by another
7788 language. If extra_warnings are enabled, then generate a
7789 warning message instead.
7791 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
7793 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
7794 (insert_pack_attributes): Delete prototype.
7796 * c-pragma.c (default_alignment): New static variable.
7797 (push_alignment): Initialize to current effective alignment.
7798 (pop_alignment): Use to set new alignment.
7799 (insert_pack_attributes): Delete function.
7800 (handle_pragma_token): Set default_alignment as well each time
7801 a #pragma pack(<n>) is encountered.
7803 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
7805 * reg-stack.c (stack_result): Aggregates are not returned in
7808 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7810 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
7812 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
7814 * basic-block.h (set_block_num): Declare.
7815 * flow.c (update_life_info): Don't call compute_bb_for_insn
7816 or free_basic_block_vars.
7817 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
7818 (insn_orig_block): Remove.
7819 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
7820 (schedule_block): Keep BLOCK_NUM up-to-date.
7821 (schedule_insns): Use compute_bb_for_insn.
7822 * recog.c (split_all_insns): Likewise.
7823 (peephole2_optimize): Likewise.
7825 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
7827 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
7828 if the pic register is used.
7830 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7832 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
7833 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
7834 if that tests TREE_PERMANENT.
7836 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
7838 * cse.c (invalidate_for_call): Do not remove memory references from
7839 the table here. It's handled elsewhere.
7841 * haifa-sched.c (add_dependence): Protect references to the
7842 true dependency cache with #ifdef INSN_SCHEDULING.
7843 (remove_dependence): Similarly.
7845 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
7846 to the cfg code that this is a return instruction.
7847 * mn10300.md (return_internal): Similarly.
7849 * combine.c (get_last_value): If the last set of a register
7850 is after subst_low_cuid, then we can not use it to determine
7851 the register's last value.
7853 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
7855 * Makefile.in: Back out previous change.
7857 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
7859 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
7861 * haifa-sched.c (add_dependence): Only check/update the cache
7863 (remove_dependence): Likewise.
7864 (schedule_insns): Only create the true_dependency_cache if the
7865 average number of instructions in a basic block is very large.
7867 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
7869 * Makefile.in (ggc-common.o): Depend on genrtl.h.
7870 (ggc-simple.o): Likewise.
7871 (ggc-page.o): Likewise.
7873 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
7875 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
7876 Prototype for exported functions.
7877 (pre_lcm, pre_rev_lcm): Remove prototypes.
7878 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
7879 (compute_available): Move to lcm.c, and change parameter order.
7880 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
7881 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
7882 (gcse_main): No longer call compute_preds_succs. Rebuild the
7883 set table after reach pre pass.
7884 (pre_insert_map, pre_delete_map, edge_list): New.
7885 (alloc_pre_mem): Allocate edge vectors.
7886 (free_pre_mem): Delete edge vectors.
7887 (compute_pre_data): Call new edge based lcm routines.
7888 (process_insert_insn): New function.
7889 (insert_insn_end_bb): Use it.
7890 (pre_edge_insert): New function.
7891 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
7893 (pre_insert_copies): Revamp using new edge based lcm outputs.
7894 (pre_delete): Likewise.
7895 (one_pre_gcse_pass): Insert & remove fake edges to the exit
7897 (compute_code_hoist_vbeinout): New new edge based routines.
7898 * lcm.c: Remove all the old LCM functions. Replace with new ones
7899 that work with the new cfg datastructures and work with edges
7902 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7904 * reload.h (struct reload): Add new fields "mode" and "nregs".
7905 * reload1.c: Change all occurrences of reload_mode and reload_nregs
7906 to reference the "mode" and "nregs" field within struct reload.
7908 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
7910 * haifa-sched.c (true_dependency_cache): New.
7911 (add_dependence): Use the true dependency cache to avoid expensive
7912 walks down the LOG_LINKS dependency list. Add entries to the
7914 (remove_dependence): Remove entries from the true dependency cache
7916 (schedule_insns): Allocate and initialize and free the true
7919 * haifa-sched.c (schedule_insns): Do not remove inter-block
7920 dependencies anymore.
7922 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7924 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
7925 * i386/t-winnt: Likewise.
7927 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
7929 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
7931 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
7933 * Makefile.in (LANGUAGES): Omit "proto".
7934 (clean): Remove stale comment about removing unprotoize.c.
7936 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7938 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
7939 using arithmetic on void pointers.
7941 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
7943 * haifa-sched.c (compute_block_forward_dependencies): Only check
7944 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
7946 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
7948 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
7949 (expr_equiv_p): Reject memories with different alias sets.
7951 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
7953 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
7954 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
7955 (f_options): Add "bounded-pointers" and "bounds-check" entries.
7956 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
7957 (lang_init): Set default for flag_bounds_check if still "unspecified".
7959 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7961 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
7963 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7965 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
7968 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7970 * config/c4x/c4x.md (*db_noclobber,
7971 *decrement_and_branch_until_zero_noclobber): New patterns and
7972 associated splitters.
7974 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7976 * config/c4x/c4x.md (parallel instruction patterns): Rework
7977 constraints to keep reload happy.
7979 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7981 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
7982 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
7983 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
7984 Add new patterns and associated post-reload splitters.
7986 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7988 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
7990 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7992 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
7994 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
7996 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7998 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8001 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8003 * pa.c (move_operand): Rely on memory_address_p to determine the
8004 validity of non-indexed memory addresses.
8005 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8006 operand in DFmode and SFmode when generating PA2.0 code.
8008 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8010 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8012 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8014 * mips.c (function_prologue): Fix argument types.
8015 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8016 (casesi_internal): Write to the scratch register.
8018 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8020 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8022 (parse_charconst): Delete unnecessary cast when calling
8024 (cpplib.h): Kill prototype of cpp_parse_escape.
8026 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8028 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8029 * unroll.c (unroll_loop): Cast return value of alloca.
8030 * i370/i370.c: Include function.h and toplev.h.
8031 (i370_label_scan): Remove c++ commented abort.
8032 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8033 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8034 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8035 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8037 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8039 * config/t-freebsd: Do not override USER_H.
8040 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8042 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8043 Mumit Khan <khan@xraylith.wisc.edu>
8045 * c-parse.in (component_decl): Support anonymous struct/union.
8047 * c-parse.y: Regenerate.
8048 * c-parse.c: Likewise.
8049 * objc/objc-parse.y: Likewise.
8050 * objc/objc-parse.c: Likewise.
8051 * c-decl.c (finish_struct): Don't sort the fields.
8052 (field_decl_cmp): Delete unused function.
8054 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8056 * sparc.md (movsf_const_intreg): Revert last constraint change.
8057 (movdf_const_intreg_sp32): Likewise.
8059 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8061 * cse.c: Include hashtab.h instead of splay-tree.h
8062 (struct cse_reg_info): No longer use variant union. Add new
8063 field "regno". All references changed to avoid union.
8064 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8065 (free_cse_reg_info): Remove.
8066 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8067 (get_cse_reg_info): Revamp to use expandable hash tables instead
8068 of splay trees. Initialize new fields in cse_reg_info structure.
8069 (new_basic_block): Similarly.
8071 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8073 * genrecog.c (message_with_line): Prototype.
8074 (validate_pattern): Pass along the set for the dest, not a flag.
8075 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8076 Check for PC/CC0 as sources.
8077 (nodes_identical): Check for children position match before
8078 allowing the combination.
8080 * rtl.c (read_rtx): Track line number across \\\n.
8082 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8084 * mips.h (SPECIAL_MODE_PREDICATES): New.
8085 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8086 (movdi+1, movsi+1): Add output reload constraint.
8087 (casesi_internal): Likewise. Fix commentary.
8088 (return_internal): Use pmode_register_operand.
8090 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8092 * 1750a.md (movstrqi): Add missing output reload constraint.
8093 (call_value): Likewise.
8094 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8095 (jmpfdec): Add missing inout reload constraint.
8096 * elxsi.md (addsi patterns): Add missing output reload constraint.
8097 (move from sp): Use @ alternates.
8098 (call_value): No constraint on output.
8099 * fr30.md (movsi_pop): Add missing output reload constraint.
8100 (movsf_constant_store): Likewise.
8101 (splits): Remove constraints.
8102 (subsi3): Add missing mode.
8103 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8104 (call_value): Likewise.
8105 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8106 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8107 * m32r.md (movsicc_internal): Add output reload constraint.
8108 (movstrsi_internal): Add inout reload constraints.
8109 * m88k.h (reg_names): Don't declare.
8110 (SPECIAL_MODE_PREDICATES): New.
8111 * m88k.md (*): Use register_operand not reg_or_0_operand
8113 * mn10200.h (PREDICATE_CODES): New.
8114 * ns32k.md (ffs pattern): Add output reload constraint.
8115 * pdp11.md (sob pattern): Add inout reload constraint.
8116 * sh.md (splits): Remove constraints.
8117 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8118 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8119 * vax.md (jgequ pattern): Add inout reload constraint.
8121 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8123 * configure.in (djgpp): Revert previous patch.
8124 * configure: Rebuit.
8125 * config/i386/djgpp.h: Revert previous patch.
8127 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8129 * fixinc/inclhack.def: Restore patch lost during last merge of
8130 "no_bogosity" branch.
8131 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8133 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8135 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8136 * fixinc/inclhack.def: Same.
8137 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8139 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8141 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8142 as the base of a PLUS.
8144 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8146 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8147 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8149 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8151 * pa.md (post_stw+1): Use pmode_register_operand.
8152 (dcacheflush, icacheflush): Likewise.
8154 * i386.md (movstricthi_1): Allow r/r.
8156 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8158 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8159 to (not (and (arg0) (arg1))). Similary for and.
8161 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8162 fallthrough to associate code.
8163 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8166 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8167 no bits in common; remove XOR to ROTATE conversion.
8169 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8171 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8173 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8175 * config/c4x/c4x.c (dst_operand): New.
8176 (PREDICATE_CODES): Update.
8177 * config/c4x/c4x.h (dst_operand): Declare it.
8178 * config/c4x/c4x.md: Define mode for each unspec usage.
8179 (move patterns): Use dst_operand predicate instead of src_operand.
8180 (movqi_update, movqf_update): Delete.
8182 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8184 * recog.c (pmode_register_operand): New.
8185 * recog.h: Declare it.
8186 * genrecog.c (pred_codes): Likewise.
8187 (special_mode_pred_table): Likewise.
8188 (validate_pattern): Don't warn no mode for address_operand.
8190 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8191 if the operand is not insn-like.
8193 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8194 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8196 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8198 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8200 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8201 instead of general_operand in a SET_DEST. Use const_double_operand
8202 instead of an explicit test against CONST_DOUBLE.
8203 (movsf_const_lo): Add missing register mode.
8204 (goto_handler_and_restore): Add auxiliary test for Pmode.
8205 (flush): Adjust to use address_operand.
8206 (return_sf_no_fpu): Add missing output constraint.
8208 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8210 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8211 for call return value.
8212 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8214 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8216 * toplev.c (main): Only warn about options for other languages.
8217 * collect2.c (main): Pass -w to sub-gcc.
8219 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8221 * flow.c (propagate_block): Add call-clobbered registers to
8224 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8225 zapping mem_set_list.
8226 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8227 (mark_set_1, mark_used_regs): Likewise.
8229 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8231 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8233 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8235 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8236 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8237 options. Also add a new item "C-only Warning Options" to the
8240 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8242 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8243 from multiple calls.
8245 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8247 * i386.md (call value patterns): Move to the end of the file.
8248 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8250 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8252 * configure.in (djgpp configuration): Define extra_objects..
8253 * configure: Rebuilt.
8254 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8255 (DTORS_SECTION_ASM_OP): Define.
8256 (INIT_SECTION_ASM_OP): Define.
8257 (FINI_SECTION_ASM_OP): Define.
8258 (DATA_SECTION_ASM_OP): Define.
8259 (TEXT_SECTION_ASM_OP): Define.
8260 (EH_FRAME_SECTION_ASM_OP): Define.
8261 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8262 (STARTFILE_SPEC): Add crtbegin.o.
8263 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8264 to here from LINK_COMMAND_SPEC.
8265 (DO_GLOBAL_CTORS_BODY): Define.
8266 (CRTSTUFF_USE_FINI_SECTION): Define
8267 (HAS_INIT_SECTION): Delete.
8269 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8271 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8273 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8275 * pa.h (PREDICATE_CODES): New.
8277 * genrecog.c (validate_pattern): Condense the destination
8280 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8282 * alpha.md (call-1): Supply missing mode for operator.
8283 (*): Add missing output reload constraints. Remove constraints
8286 * i386.h (SPECIAL_MODE_PREDICATES): New.
8287 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8288 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8289 (addsi_lea_3): Add missing mode for op 3.
8290 (prologue_set_got, prologue_get_pc): Add missing modes.
8291 (*) Add missing output reload constraints.
8293 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8295 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8296 check for member bit-size overflow and use var_size if it occurs.
8297 (layout_record): Use bitsize_int() to define the type size in bits.
8298 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8299 (layout_decl): Likewise when assigning to DECL_SIZE.
8301 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8303 * genrecog.c (validate_pattern): Typo last change. Verify
8304 that output operands have output reloads.
8306 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8308 * genrecog.c (special_mode_pred_table): New.
8309 (NUM_SPECIAL_MODE_PREDS): New.
8310 (find_operand): New.
8311 (validate_pattern): New argument `insn'. Warn for assignment to
8312 any predicate accepting non-lvalues. Conditionaly warn for
8313 match_operand without a mode. Try much harder to match source
8314 and destination modes on a set.
8315 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8317 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8319 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8321 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8323 * combine.c (simplify_logical): Recognize xor pattern that encodes
8326 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8328 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8331 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8333 * ggc-page.c (MAP_FAILED): Provide default.
8335 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8337 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8338 * sparc.h (PREDICATE_CODES): Update.
8340 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8342 * alpha.c (some_ni_operand): New.
8343 * alpha-protos.h: Declare it.
8344 * alpha.h (PREDICATE_CODES): Update.
8345 * alpha.md (sXaddq reload insns): Use some_ni_operand
8346 for SET_DEST instead of some_operand.
8348 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8349 Jim Wilson <wilson@cygnus.com>
8351 * genrecog.c (maybe_both_true_2): Don't compare modes of
8353 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8354 after find_afterward.
8355 (debug_decision_1): Dump next and afterward codes.
8357 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8359 * rtl.c (dump_and_abort): Remove.
8360 (fatal_with_file_and_line): New.
8361 (fatal_expected_char): New.
8362 (read_rtx_lineno, read_rtx_filename): New.
8363 (read_skip_spaces): Track line number.
8364 (read_name): Use fatal_with_file_and_line.
8365 (read_rtx): Use fatal_expected_char. Track line number.
8366 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8368 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8369 if it isn't a CODE_LABEL.
8371 * genattr.c (main): Set read_rtx_filename.
8372 * genattrtab.c (main): Likewise.
8373 * gencodes.c (main): Likewise.
8374 * genconfig.c (main): Likewise.
8375 * genemit.c (main): Likewise.
8376 * genextract.c (main): Likewise.
8377 * genflags.c (main): Likewise.
8378 * genopinit.c (main): Likewise.
8379 * genoutput.c (main): Likewise.
8380 * genpeep.c (main): Likewise.
8382 * genrecog.c (decision_test.u.insn): Add `lineno'.
8383 (pattern_lineno, error_count): New variables.
8384 (message_with_line): New.
8385 (add_to_sequence): Break out checking code to ...
8386 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8387 (merge_insn): Use message_with_line.
8388 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8389 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8391 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8393 * expr.c (store_constructor): Clear union if constructor is empty.
8395 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8397 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8398 Add !endian checks. Change %{...} to %(...).
8400 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8402 * i386.md (*addsi3_cc): Renamed from addcsi3.
8403 (*addsi3_carry): Renamed from addxsi3.
8404 (*subsi3_cc): Renamed from subcsi3.
8405 (*subsi3_carry): Renamed from subxsi3.
8406 (*xorqi_cc_1): Renamed from xorcqi_1.
8407 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8408 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8410 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8412 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8413 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8415 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8417 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8418 climb up the chain of insns.
8420 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8422 * genrecog.c (write_subroutine): Careful for null trees.
8423 (process_tree): Don't elide empty functions.
8425 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8427 * Makefile.in (genrtl.o): Depend on ggc.h.
8428 * configure.in (valloc): Probe for it.
8429 (with-gc): Use ggc-page if valloc present.
8430 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8431 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8432 (ggc_alloc_string): Moved from ggc-page.c.
8433 * ggc-none.c (ggc_alloc_obj): New.
8434 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8435 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8436 (struct globals): Likewise for dev_zero_fd.
8437 (init_ggc): Likewise for it's initialization.
8438 (ggc_allocated_p): Move careful dereference from ...
8439 (ggc_lookup_page_table): ... here. Delete.
8440 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8441 (alloc_anon): Use valloc if no mmap.
8442 (release_pages): Use free if using valloc.
8443 (ggc_alloc_obj): Renamed from alloc_obj.
8444 (ggc_set_mark): Renamed from mark_obj.
8445 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8446 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8447 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8448 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8449 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8450 (ggc_collect): Use fp printing instead of our own rounding.
8451 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8452 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8453 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8454 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8455 (struct ggc_string, struct ggc_any): Delete.
8456 (offsetof): Provide default definition.
8457 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8459 (struct ggc_mem): New, from corpse of ggc_any.
8460 (struct ggc_status): Delete.
8461 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8462 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8463 (n_strings_collected, n_anys_collected): Delete.
8464 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8465 (ggc_alloc_string, ggc_alloc): Delete.
8466 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8467 (ggc_free_string, ggc_free_any): Delete.
8468 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
8469 (ggc_compare_addresses, ggc_mark_string): Delete.
8470 (ggc_mark_string_if_gcable, ggc_mark): Delete.
8471 (search_data): Delete.
8472 (struct globals): New.
8473 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
8474 (tree_insert, tree_lookup): New.
8475 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
8476 (clear_marks, sweep_objs): New.
8477 (ggc_collect): Gut. Use clear_marks, sweep_objs.
8478 (init_ggc): Set allocated_last_gc.
8479 (ggc_push_context): Gut. Use G.context.
8480 (ggc_pop_context): Likewise.
8481 (ggc_pop_context_1): New.
8482 (debug_ggc_tree): New.
8483 (debug_ggc_balance, tally_leaves): New.
8484 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
8485 (ggc_mark_string_if_gcable): Remove decl.
8486 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
8487 (ggc_mark_rtvec_children): New.
8488 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
8489 (ggc_mark_if_gcable): New decl.
8490 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
8491 (ggc_alloc_tree, ggc_alloc): Likewise.
8492 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
8493 (ggc_alloc_obj): New decl.
8494 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
8495 (ggc_alloc_tree, ggc_alloc): Likewise.
8496 (ggc_set_mark): New decl.
8497 * rtl.h (struct rtx_def): Remove gc_mark.
8498 (struct rtvec_def): Likewise.
8499 * tree.h (struct tree_common): Likewise.
8501 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
8503 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
8504 float_format and thread_file definitions.
8505 * configure: Rebuilt.
8507 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
8509 * extend.texi (Function Names): Document types of function names.
8511 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8513 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8514 an earlyclobbered output conflict with RELOAD_INPUT reloads.
8516 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8518 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
8520 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8522 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
8524 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
8526 * collect2.c (main): Do prelimnary link on AIX if rflag.
8528 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8530 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
8531 __CTOR_LIST__ in opposite order, which is the correct order for sorted
8533 (__do_global_dtors): similarly for __DTOR_LIST__.
8535 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8536 Diego Novillo <dnovillo@cygnus.com>
8538 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
8541 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
8543 * fixincl/*: Merged "no_bogosity" branch
8544 * fixincl/fixlib.h: protect against doubly defining t_bool
8545 * fixincl/server.h: protect against doubly defining t_bool
8547 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
8549 * genoutput.c: Include toplev.h.
8551 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
8553 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8555 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
8556 * configure: Regenerate.
8558 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8560 * gcse.c (delete_null_pointer_checks): Returns void.
8562 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8564 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
8565 * emit-rtl.c (copy_insn_1): Likewise.
8567 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8569 * config/mips/mips.c (mips_build_va_list): Correct
8570 TREE_CHAIN setting when hard-float.
8571 (mips_va_start): Use corrected setting.
8572 (mips_va_arg): Likewise. Also pass a tree to build of
8573 POSTINCREMENT_EXPR rather than a naked 'int'.
8575 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
8577 * ggc.h (ggc_push_context): Fix comment.
8578 (ggc_pop_context): Likewise.
8579 (mark_string_if_gcable): Likewise.
8580 * ggc-common.c (ggc_mark_rtx_children): Use
8581 ggc_mark_string_if_gcable.
8582 * ggc-page.c (ggc_lookup_page_table): New function.
8583 (ggc_allocated_p): Likewise.
8584 (mark_obj): Fix formatting.
8585 (ggc_mark_string_if_gcable): New function.
8586 * ggc-simple.c (ggc_allocated_strings): New variable.
8587 (ggc_strings_used): Likewise.
8588 (ggc_compare_addresses): New function.
8589 (ggc_pop_context): Pop the `any' memory too.
8590 (ggc_mark_string_if_gcable): New function.
8591 (ggc_collect): Initialize and tear down ggc_allocated_strings.
8593 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
8595 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
8596 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
8597 * rs6000.c (expand_block_move): Match movstrsi_?reg register
8600 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
8602 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
8603 (sched_reg_live_length, sched_reg_basic_block): Delete.
8604 (current_block_num, bb_live_regs, old_live_regs): Delete.
8605 (dead_notes, struct sometimes): Delete.
8606 (sched_note_set, birthing_insn_p): Delete.
8607 (adjust_priority): Gut useless reg lifetime code.
8608 (create_reg_dead_note, attach_deaths): Delete.
8609 (attach_deaths_insn, new_sometimes_live): Delete.
8610 (finish_sometimes_live): Delete.
8611 (find_pre_sched_live, find_post_sched_live): Delete.
8612 (update_reg_usage): Delete.
8613 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
8614 (schedule_insns): Delete reg lifetime code.
8615 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
8616 (unlink_other_notes): Adjust REG_NOTE commentary.
8617 (reemit_notes): Use REG_SAVE_NOTE.
8618 (schedule_block): Likewise.
8619 (schedule_region): Allocate bitmap of blocks in region. Use
8620 count_or_remove_death_notes. Use update_life_info.
8622 * rtl.h (REG_SAVE_NOTE): New.
8623 * rtl.c (reg_note_name): Update.
8625 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
8627 * combine.c (refresh_blocks, need_refresh): New.
8628 (combine_instructions): Allocate refresh_blocks. Invoke
8629 update_life_info if needed.
8630 (distribute_notes): Mark refresh_blocks instead of installing
8632 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
8633 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
8635 * Makefile.in (recog.o): Depend on basic-block.h.
8637 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
8639 * genrecog.c (add_to_sequence): Thinko last change: delete
8640 shadowing allow_const_int variable.
8642 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8644 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
8645 __GNUC__ and __GNUC_MINOR__.
8647 * gansidecl.h: Likewise.
8653 * toplev.h: Likewise.
8659 * varray.c: Likewise.
8661 * varray.h: Likewise.
8663 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8665 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
8666 use one before a jump table.
8668 * rtl.def (ADDRESS): Change documentation to match reality.
8669 * md.texi: Don't document it.
8670 * gmicro.md (load address pattern): Use 'p' constraint, delete use
8673 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
8675 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
8677 * genrecog.c (add_to_sequence): Move allow_const_int test outside
8678 known predicate block; default allow_const_int true.
8679 (debug_decision_list): New.
8681 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
8683 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
8685 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
8687 * gcse.c (gcse_main): Avoid global optimizations if we have a
8688 large number of basic blocks and the ratio of edges to blocks
8690 (delete_null_pointer_checks): Likewise.
8692 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
8694 * c-common.c (check_format_info): Warn if format string isn't a
8697 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8699 * configure.in (arm*-*-*): Don't let autoconf remove brackets
8700 * configure: regenerate
8702 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
8704 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
8705 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
8706 (peepholes): Re-enable.
8708 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
8710 * Makefile.in (flow.o): Depend on TREE_H.
8711 * basic-block.h (REG_SET_EQUAL_P): New.
8714 (free_regset_vector): Remove declaration.
8715 (flow_delete_insn_chain): Declare.
8716 (enum update_life_extent): New.
8717 (update_life_info, count_or_remove_death_notes): Declare.
8718 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
8719 Verify register live at bb->global_live_at_start before adding USE.
8720 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
8721 (CLEAN_ALLOCA): New.
8723 (PROP_*): New flags.
8724 (find_basic_blocks_1): Use alloc_EXPR_LIST.
8725 (clear_edges): Zero n_edges.
8726 (make_edge): Increment n_edges.
8727 (split_edge): Don't allocate bb->local_set. Increment n_edges.
8728 (flow_delete_insn_chain): Export.
8729 (delete_block): Decrement n_edges.
8730 (merge_blocks_nomove): Likewise.
8731 (life_analysis): Give life_analysis_1 PROP flags.
8732 (verify_wide_reg_1, verify_wide_reg): New.
8733 (verify_local_live_at_start): New.
8734 (update_life_info): Rewrite to call into propogate_block.
8736 (mark_regs_live_at_end): After reload, if epilogue as rtl,
8737 always mark stack pointer. Conditionally mark PIC register.
8738 After reload, mark call-saved registers, return regsiters.
8739 (life_analysis_1): Accept PROP flags not remove_dead_code.
8740 Call mark_regs_live_at_end before zeroing regs_ever_live.
8741 Use calculate_global_regs_live. Copy global_live_at_end before
8742 calling final propagate_block. Zero reg_next_use on exit.
8743 (calculate_global_regs_live): New.
8744 (allocate_bb_life_data): Don't allocate bb->local_set.
8745 (init_regset_vector, free_regset_vector): Remove.
8746 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
8747 Test flags before every operation. Warn if prologue/epilogue insn
8748 would have been deleted.
8749 (mark_set_regs, mark_set_1): Accept and use FLAGS.
8750 Use alloc_EXPR_LIST.
8751 (mark_used_regs): Accept and use FLAGS, not FINAL.
8752 Remove special handling for RETURN.
8753 (try_pre_increment): Use alloc_EXPR_LIST.
8754 (dump_flow_info): Dump n_edges.
8755 (unlink_insn_chain, split_hard_reg_notes): Remove.
8756 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
8757 (find_insn_with_note, new_insn_dead_notes): Remove.
8758 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
8759 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
8760 (replace_insns): Remove.
8761 (count_or_remove_death_notes): New.
8762 (verify_flow_info): Abort on error after all checks.
8763 (remove_edge): Decrement n_edges.
8764 (remove_fake_edges): Tweek format.
8765 * haifa-sched.c (schedule_insns): Use split_all_insns.
8766 * output.h (update_life_info): Remove declaration.
8767 * recog.c (split_all_insns): From the corpse of split_block_insns,
8768 do the whole function block by block. Use update_life_info.
8769 (recog_last_allowed_insn): New.
8770 (recog_next_insn): Mind it.
8771 (peephole2_optimize): Set it. Walk backwards through blocks.
8772 Use update_life_info.
8773 * rtl.h (update_flow_info, replace_insns): Remove declarations.
8774 (split_all_insns): Declare.
8775 * toplev.c (rest_of_compilation): Thread prologue before flow2.
8776 Use split_all_insns.
8778 * i386.md (or -1 peep2s): Disable.
8780 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
8782 * config/mips/mips.md (movstrsi+[123]) : Combine these into
8783 a single pattern. Scrap the 'd' versions as unnecessary.
8785 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
8786 tablejump_mips162,tablejump_internal4): The operands to a
8787 label_ref must be VOIDmode.
8789 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8791 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
8793 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
8795 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
8797 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
8799 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
8800 cache every function if ggc_p.
8802 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8804 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
8805 instead of copy_rtx. Accept sequences that contain asm statements.
8806 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
8807 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
8808 orig_asm_operands_vector, copy_asm_operands_vector,
8809 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
8811 * rtl.h (copy_insn, copy_insn_1): Declare.
8813 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8815 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
8817 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
8818 arguments to `current_file_function_operand'.
8820 * genrecog.c: Include hard-reg-set.h and resource.h in the
8821 generated output file.
8823 * real.c: Include tm_p.h.
8825 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8827 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
8830 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
8832 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
8833 before the fctiwz insn.
8835 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8836 Mark Mitchell <mark@codesourcery.com>
8838 * tree.c (make_lang_type_fn): New funtion pointer.
8839 (make_lang_type): Call it.
8840 * tree.h (make_lang_type): Declare.
8841 (make_lang_type_fn): Likewise.
8842 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
8844 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
8846 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
8847 make sure that HIGH instructions are copied into BASE_REGS.
8849 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
8851 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
8853 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
8855 * c-decl.c (finish_struct): Use simpler method of
8856 removing elements of a singly-linked list.
8858 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
8860 * alpha.md (peephole2's): Comment out peephole2's that generate
8863 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
8865 * genrecog.c (add_to_sequence): Disable mode check for
8868 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8870 * ggc-simple.c (init_ggc): Set empty_string.
8872 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
8874 * configure.in: Detect mmap. Add --with-gc=foo to select
8875 garbage collector; default to page if mmap available.
8876 * Makefile.in (GGC): Substitute.
8878 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
8880 * c-decl.c (ggc_p): Enable.
8882 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8884 * flow.c (verify_flow_info): Make it extern & unconditionally define.
8886 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
8888 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
8889 string for little-endian-data.
8891 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
8893 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
8894 case somebody tries to compile --enable-checking code with gcc
8897 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
8899 * genrecog.c (add_to_sequence): Verify operand to label_ref is
8902 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
8904 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
8905 * jump.c (jump_optimize_1): Document why.
8907 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8909 * collect2.c (scan_prog_file, scan_libraries): Prototype function
8910 pointers and casts for `int_handler' and `quit_handler'.
8912 * flow.c (verify_flow_info, split_hard_reg_notes,
8913 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
8914 remove_edge, remove_fake_successors): Add static prototypes.
8915 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
8916 (mark_set_1): Initialize variable `regno'.
8917 (unlink_insn_chain): Likewise for variable `curr'.
8918 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
8920 * loop.c (strength_reduce): Initialize variable
8921 `unrolled_insn_copies'.
8922 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
8923 prototypes. Change these functions to take const PTR parameters
8924 to avoid prototype conflict when used as the comparson argument
8926 (check_dbra_loop): Initialize variable `comparison_val'.
8928 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
8929 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
8930 (find_valid_class): Initialize variable `best_class'.
8931 (find_reloads): Call memcpy, not bcopy.
8933 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
8934 (hard_reg_use_compare): Don't needlessly cast away const.
8935 (reload_reg_class_lower): Likewise.
8936 (choose_reload_regs): Initialize variable `regno'.
8938 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
8940 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
8942 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
8944 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
8945 ({,d}discard): Add forward declarations. Declare parameter as
8947 (main_without_main): Explicitly declare return type to be int.
8948 (memcpy): Properly declare.
8950 * libgcc2.c (toplevel): If inhibit_libc is defined and not
8951 building the trampoline support, declare malloc, free, and
8953 (__clear_cache): Mark arguments as potentially unused.
8955 * frame.c (toplevel): If inhibit_libc is defined, declare
8958 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
8960 * flow.c (make_edge): Accept an optional 2D bitmap in which
8961 to cache edge existence. Update all callers.
8962 (make_label_edge, make_eh_edge): Pass through the edge cache.
8963 (make_edges): Provide the cache.
8965 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8967 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
8969 (local_mbtowc): Change the type of variable `i' from int to size_t.
8971 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
8972 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
8974 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
8976 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
8977 after other includes that define the appropriate types. Include
8978 tm_p.h for getting user prototypes.
8979 * ggc-callbacks.c (toplevel): Ditto.
8980 * ggc-none.c (toplevel): Ditto.
8981 * gcc-page.c (toplevel): Ditto.
8982 * ggc-simple.c (toplevel): Ditto.
8984 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
8985 Jonathan Larmour <jlarmour@cygnus.co.uk>
8987 * config/mips/mips.c (mips_move_2words): Split doubles if
8988 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
8990 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
8992 * genrecog.c (struct decision_test): New.
8993 (struct decision): Remove test-related members, sort the rest by size.
8994 (IS_SPLIT): Simplify.
8995 (new_decision, new_decision_test): New.
8996 (add_to_sequence): Use them. No special handling for args of
8998 (maybe_both_true): Renamed from not_both_true; return sense changed.
8999 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9000 of maybe_both_true and adjusted for decision_test.
9001 (position_merit): Remove.
9002 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9003 (merge_accept_insn): New, broken out of merge_trees.
9004 (merge_trees): Use them. No special case for c_test; no node
9005 splitting; use test type instead of position_merit.
9006 (factor_tests): New.
9007 (simplify_tests): New.
9008 (break_out_subroutines): Don't write code now.
9009 (find_afterward): New.
9010 (write_afterward, write_switch, write_cond): New.
9011 (write_action, is_unconditional): New.
9012 (write_node): New. Use them.
9013 (write_tree_1): Rewrite. Use the new functions above.
9014 (write_tree): Remove afterward processing.
9015 (write_subroutine): Simplify function variant emission.
9016 (write_subroutines): New.
9017 (same_codes, clear_codes): Remove.
9018 (same_modes, clear_modes): Remove.
9019 (write_header): New, broken out of main.
9020 (make_insn_sequence): Use new_decision and new_decision_test.
9021 (process_tree): New, broken out of main.
9022 (main): Adjust for merge_trees interface change.
9023 Don't #define operands in the output file.
9024 (record_insn_name): New, broken out of make_insn_sequence.
9025 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9026 (debug_decision): New.
9028 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9030 * resource.c (find_free_register): Mark class_str argument const.
9031 * resource.h: Update prototype to match.
9033 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9034 * i386.md: Give all anonymous insns names.
9036 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9038 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9041 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9043 * toplev.c (dbr_sched_time): Unconditional.
9044 (peephole2_time): New.
9045 (compile_file): Add pass numbers to all of the dump file suffixes.
9046 Dump peephole2_time. Don't dump times for non-applicable passes.
9047 (rest_of_compilation): Add pass numbers to dump file suffixes.
9048 Conditionalize calls to the scheduler.
9049 * invoke.texi: Update.
9051 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9053 * flow.c (make_edges): Fix insn iteration.
9054 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9055 (find_basic_blocks_1): Fix spelling mistake.
9057 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9059 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9060 always have side-effects. Use memset not bzero.
9061 (make_node): Likewise.
9063 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9065 * stmt.c (expand_anon_union_decl): When any of the elements of the
9066 union is addressable, so is the entire union.
9068 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9070 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9072 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9073 * bitmap.c (bitmap_operation): Return true iff TO changed.
9074 (bitmap_equal_p): New.
9075 (bitmap_bit_p): Tidy arithmetic.
9076 (debug_bitmap_file): Likewise.
9078 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9080 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9081 before cse2 instead of after.
9083 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9085 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9088 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9090 * cppinit.c (is_idchar initializer): Loosen tests to accept
9093 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9095 * mips.md: Define conditional move patterns for floating point
9096 operands and DI mode conditions.
9098 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9100 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9101 always have side-effects.
9103 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9105 * mn10200.c (asm_file_start): Fix typo.
9107 * cppinit.c (is_idchar initializer): Tighten tests for when
9108 to put the table into initialized memory.
9110 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9111 not an array of rtunion.
9112 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9113 * gcc-simple (ggc_free_rtvec): Similarly.
9115 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9118 * mbchar.h: Add missing #endif.
9120 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9121 (FPBIT, DPBIT): Define.
9123 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9125 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9127 * profile.c (instrument_arcs, output_gcov_string,
9128 tablejump_entry_p): Add static prototypes.
9129 (output_gcov_string): Constify a char*.
9131 * regmove.c (replacement_quality, fixup_match_2): Add static
9134 * resource.h (reg_dead_p): Add extern prototype.
9136 * rtl.c (trim_filename): Add static prototype.
9138 * scan-decls.c (skip_to_closing_brace): Likewise.
9140 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9141 (expand_end_case): Initialize variable `range'.
9142 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9144 * varasm.c (asm_emit_uninitialised): Add static prototype.
9145 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9148 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9150 * cpplib.c (if_directive_nameo): Add static prototype.
9152 * cse.c (cse_insn): Remove unused variable `p'.
9154 * except.c (create_rethrow_ref, push_entry,
9155 receive_exception_label, new_eh_region_entry, find_func_region,
9156 clear_function_eh_region, process_nestinfo): Add static prototypes.
9157 (get_reg_for_handler): Hide definition.
9158 (process_nestinfo): Initialize variable `extra_handlers'.
9160 * expr.h (expand_builtin_longjmp): Add extern prototype.
9162 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9164 * function.c (prepare_function_start): Likewise.
9165 (pop_function_context_from): Mark parameter `context' with
9167 (push_temp_slots_for_block, flush_addressof): Hide definition.
9169 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9170 solve_program_flow_graph, calculate_branch_probs,
9171 function_summary, main, fancy_abort): Add prototypes.
9173 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9174 (add_hash): Constify a char*.
9176 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9177 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9178 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9180 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9182 * lists.c (free_list, zap_lists): Likewise.
9184 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9186 * alias.c (nonlocal_reference_p): Add static prototype.
9188 * bitmap.c (bitmap_element_allocate): Prototype args in function
9191 * builtins.c (stabilize_va_list): Add static prototype.
9192 (expand_builtin_va_arg): Constify a char*.
9194 * c-lex.c (getch, put_back, extend_token_buffer_to,
9195 read_line_number, token_getch, token_put_back): Add static
9198 * c-parse.gperf (hash, is_reserved_word): Likewise.
9200 * cccp.c (is_dir_separator): Likewise.
9202 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9204 * graph.h: New file to prototype functions exported by graph.c.
9206 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9208 * graph.c: Include graph.h.
9210 * toplev.c: Likewise. Remove redundant prototypes.
9212 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9214 * invoke.texi: Removed duplicated description for -Q.
9216 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9218 * extend.texi: Grammar fix in __extension__ text.
9220 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9222 * md.texi (define_peephole2): New section.
9224 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9226 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9227 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9230 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9232 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9234 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9236 * i386.md (ffs expander): Emit Pentium friendly code for
9239 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9241 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9245 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9247 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9249 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9251 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9254 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9256 * md.texi (No Constraints): Delete section.
9257 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9258 * final.c (final_scan_insn): We always have register constraints.
9259 * genattrtab.c: Don't include "insn-config.h".
9260 (write_attr_case): We always have register constraints.
9261 * genconfig.c (register_constraint_flag): Delete.
9262 (walk_insn_part): Don't check whether we have register constraints.
9263 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9264 * genoutput.c (have_constraints): Delete.
9265 (main): Don't set it.
9266 (output_operand_data): We always have constraints.
9267 (scan_operands): Likewise.
9268 (compare_operands): Likewise.
9269 * local-alloc.c (block_alloc): We always have constraints.
9270 (requires_inout): Always compile this function.
9271 * recog.c (extract_insn): We always have constraints.
9272 (constrain_operands, reg_fits_class_p): Always compile these
9274 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9276 (struct insn_operand_data): Likewise.
9277 * regclass.c (regclass): We always have constraints.
9278 (record_reg_classes, copy_cost, record_address_regs,
9279 auto_inc_dec_reg_p): Always compile these functions.
9280 * regmove.c (regmove_optimize): We always have constraints.
9281 * reload.c (find_reloads): Likewise.
9282 * reload1.c (reload): Likewise.
9283 (reload_cse_simplify_operands): Likewise.
9284 * i860.c (output_delay_insn): Likewise.
9286 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9288 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9290 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9292 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9293 for the va_list record.
9295 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9297 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9300 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9302 * alias.c: Include insn-flags.h.
9303 * Makefile.in (alias.o): Update.
9305 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9307 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9308 to LTU and GEU. Handle more cases using sbb.
9310 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9312 * i386.md (truncatexfdf splitters): Do not use subreg.
9313 (fop XFmode patterns): Fix mode in operand testing.
9315 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9317 * jump.c (jump_optimize_1): Amend last change to test only the
9318 form of the operand, not the insn.
9320 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9321 not register_operand to determine when B may need preloading.
9323 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9325 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9326 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9327 (call-value patterns): Move to end of file.
9328 (*): Remove mode from label_ref in (pc) context.
9329 (movstrqi): Use memory not general_operand for BLKmode operands.
9330 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9331 to register_operand operands.
9332 (peep2 patterns): Convert from commented-out peephole patterns.
9334 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9336 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9337 to BUILT_IN_INIT_DWARF_REG_SIZES.
9338 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9339 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9340 expand_builtin_init_dwarf_reg_sizes.
9341 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9342 with __builtin_init_dwarf_reg_size_table.
9343 * dwarf2out.c (struct reg_size_range): Delete.
9344 (expand_builtin_init_dwarf_reg_sizes): New function.
9345 (expand_builtin_dwarf_reg_size): Delete.
9346 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9347 (expand_builtin_dwarf_reg_size): Don't declare.
9348 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9349 (dwarf_reg_size_table): New.
9350 (init_reg_size_table): New function.
9351 (copy_reg): Use dwarf_reg_size_table.
9352 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9355 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9357 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9358 Correctly build argument list to constructor and destructor functions.
9360 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9362 * c-tree.h (warn_float_equal): Declare.
9363 * c-decl.c (warn_float_equal): Define.
9364 (c_decode_option): Recognize -W[no-]float-equal.
9365 * c-typeck.c (build_binary_op): Conditionally warn
9366 about equality tests of floating point types.
9367 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9368 * invoke.texi: Add docs for -Wfloat-equal warning.
9370 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9372 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9373 generating RTL directly.
9374 * mips.h (INIT_TARGET_OPTABS): Likewise.
9375 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9377 * expr.h (init_mov_optab): Delete declaration
9379 * h8300.c (WORD_REG_USED): Update to avoid useless register
9380 saves in interrupt functions and functions which never return.
9382 * cse.c (struct set): Delete inner_dest_loc field.
9383 (cse_insn): Remove assignments to inner_dest_loc field.
9385 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9387 * ggc-page.c: Don't include <unistd.h> etc taken care of
9388 by "system.h". Include <sys/mman.h> afterward.
9390 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9392 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9395 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9397 * xcoffout.c (xcoffout_declare_function): Add documentation.
9398 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9399 TARGET_64BIT. Compare constant to -1, not bit pattern.
9400 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9401 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9404 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9406 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9408 (gen_inlined_enumeration_type_die): Do not abort if the type has
9409 not been writeen out.
9410 (gen_inlined_structure_type_die): Do not abort if the type has
9411 not been writeen out.
9412 (gen_inlined_union_type_die): Do not abort if the type has
9413 not been writeen out.
9414 (gen_tagged_type_instantiation_die): Do not abort if the type
9415 has not been written out.
9417 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9419 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9421 * reg-stack.c (straighten_stack): Copy hard reg set with
9424 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9426 * builtins.c (stabilize_va_list): Stabilize array type va_list
9427 to a pointer type, not the base record type.
9428 (expand_builtin_va_copy): Dereference the pointers explicitly;
9429 use the correct size for the copy.
9431 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9432 (rs6000_va_arg): Likewise.
9434 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9436 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9438 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9440 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9442 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9444 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9446 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9447 (init_ggc): Use it instead of a constant.
9448 (ggc_collect): Bound allocated_last_gc by it.
9450 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9452 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9455 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9457 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9458 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9460 * config/mips/openbsd.h: New, OpenBSD little endian target.
9461 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9462 * config/mips/xm-openbsd.h: New, OpenBSD host.
9464 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9466 * config/m68k/m68k.c (output_function_prologue,
9467 output_function_epilogue): Use
9468 current_function_uses_pic_offset_table instead of regs_ever_live
9469 to decide whether to save/restore pic register.
9470 (legitimize_pic_address): Don't modify regs_ever_live any more.
9472 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
9474 * function.h (struct function): Add x_dont_save_pending_sizes_p.
9475 * stor-layout.c (variable_size): Don't add sizes to the pending
9476 sizes list if x_dont_save_pending_sizes_p is set.
9478 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
9480 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
9481 for symbolic_operand().
9482 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
9484 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9486 * combine.c (gen_rtx_combine): Add missing call to va_end().
9488 * final.c (asm_fprintf): Likewise.
9490 * genattrtab.c (attr_rtx): Likewise.
9492 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
9494 * cse.c: Update comments.
9495 (cse_insn): When converting a conditional/computed jump into
9496 an unconditional jump, always make sure a BARRIER immediately
9497 follows the converted jump. Do not delete unreachable code.
9498 (cse_basic_block): Do not delete unreachable code.
9499 * toplev.c (rest_of_compilation): Move call to
9500 delete_trivially_dead_insns after the conditional call to
9503 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9505 * collect2.c (make_temp_file): Don't prototype.
9507 * gcc.c (make_temp_file): Likewise.
9509 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
9511 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
9513 * varasm.c (asm_emit_uninitialised): New function: Generate
9514 the assembler statements necessary to declare an uninitialised
9516 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
9518 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
9519 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
9521 (assemble_variable): Use asm_emit_uninitialised to emit an
9522 uninitialised variable.
9524 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
9526 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
9527 constant on a 64 bit host. Patch supplied by Geoffrey Keating
9528 <geoffk@cygnus.com>.
9530 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9532 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
9533 * c-common.h (builtin_function): Don't declare.
9535 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
9537 (pushdecl): Likewise.
9538 (finish_decl): Likewise.
9539 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
9540 int. All callers changed.
9541 Set the builtin's DECL_BUILT_IN_CLASS.
9542 * tree.h (enum built_in_class): New.
9543 (enum built_in_function): Delete NOT_BUILT_IN.
9544 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
9546 (DECL_SET_FUNCTION_CODE): Likewise.
9547 (DECL_BUILT_IN_CLASS): New macro.
9548 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
9549 (struct tree_decl): Split builtin function code field into a
9551 (builtin_function): Declare.
9553 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
9555 * optabs.c (init_traps): Fix typo in last change.
9557 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
9559 * toplev.c (rest_of_decl_compilation): Update comment.
9561 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9563 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
9564 in .sbss if appropriate.
9565 (EXTRA_SECTION_FUNCTIONS): Add sbss.
9566 (SBSS_SECTION_ASM_OP): New macro.
9567 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
9568 (EXTRA_SECTIONS): Add in_sbss.
9569 * config/mips/mips.h: Prototype sbss_section.
9571 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
9573 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
9576 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
9578 * optabs.c (init_traps): Register trap_rtx as a GC root.
9580 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9582 * config/mips/mips.c (function_arg_pass_by_reference): Define
9583 unconditionally, since it's called unconditionally.
9585 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
9587 * toplev.c (documented_lang_options): Add -fshort-wchar.
9588 * c-decl.c (c_decode_option): Likewise.
9589 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
9591 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
9592 * gcc.c (default_compilers): If -fshort-wchar,
9593 override __WCHAR_TYPE__.
9594 * tm.texi (C Dialect Options): Add -fshort-wchar.
9596 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
9597 symbol for a variable.
9599 * cpplib.h (CPP_PREPROCESSED): New macro.
9600 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
9601 we're seeing this input for a second time.
9603 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
9605 * emit-rtl.c (init_emit_once): Initialize modes first.
9607 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
9609 * config/i386/i386.c (pic_label_name): Change to char pointer.
9610 (global_offset_table): New variable.
9611 (load_pic_register): Fill global_offset_table if it hasn't
9612 already been done. Allocate pic_label_name dynamically.
9613 * ggc.h (empty_string): New variable.
9614 * ggc-simple.c (empty_string): Likewise.
9615 (init_ggc): Allocate empty_string and add as root.
9616 * stmt.c (digit_strings): New variable.
9617 (init_stmt): Add last_block_end_note as root. Allocate and
9618 initialize digit_strings.
9619 (expand_asm_operands): Use empty_string instead of string
9620 constant. Use digit_strings instead of string constants.
9621 * profile.c (init_arc_profiler): Allocate string with
9622 ggc_alloc_string instead of xmalloc.
9623 (output_func_start_profiler): Likewise.
9624 * c-typeck.c (digest_init): Check if init is error_mark_node.
9626 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
9627 Richard Henderson <rth@cygnus.com>
9629 * ggc-page.c: New file.
9630 * Makefile.in (ggc-page.o): New.
9632 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
9634 * invoke.texi: Document -fdelete-null-pointer-checks
9635 * toplev.c (flag_delete_null_pointer_checks): New.
9636 (f_options): Add entry for -fdelete-null-pointer-checks.
9637 (rest_of_compilation): Conditionalize null pointer check
9638 elimination on flag_delete_null_pointer_checks.
9639 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
9641 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
9643 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
9644 copyright notice and special exception to GPL.
9646 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9648 * abi64.h (mips_function_value): Add prototype arguments.
9650 * mips-protos.h: New file with mips prototypes.
9652 * mips.c: Include "tm_p.h".
9653 (mktemp, lookup_name): Add prototype arguments.
9654 (extern_list, string_constant, mips_fill_delay_slot,
9655 mips_output_external, mips_output_external_libcall,
9656 mips_output_filename, mips_declare_object, function_prologue,
9657 mips_expand_prologue, function_epilogue, mips16_constant,
9658 build_mips16_function_stub, mips_output_conditional_branch):
9660 (mips_va_start): Remove unused variable `u'.
9661 (mips_va_arg): Cast value to unsigned when comparing against one.
9663 (save_restore_insns, mips_expand_prologue): Add missing arg in
9664 call to `large_int'.
9666 * mips.h: Move prototypes to mips-protos.h.
9667 (data_section, memory_address_p, rdata_section,
9668 readonly_data_section, simple_epilogue_p, text_section): Delete
9669 prototypes delcared elsewhere.
9670 (mips_epilogue_delay_slots, print_options): Delete unused decls.
9672 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
9674 * mips.md: Delete extra args in call to `mips_move_2words'.
9676 * xm-iris6.h (alloca): Add prototype argument.
9678 * genpeep.c: Include "tm_p.h" in generated output file.
9680 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9682 * basic-block.h (find_edge_index): Change parameters.
9683 * flow.c (verify_edge_list): Pass basic_block parameters to
9684 find_edge_index instead of integers.
9686 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
9688 * combine.c (simplify_comparison): Use an unsigned shift to adjust
9691 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
9693 * gcc.1: Fix a formatting error.
9695 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9697 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
9698 i786, mn10200, mn10300, pdp11, v850.
9700 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
9702 * libgcc2.c (num_digits): Add prototype with
9703 __attribute__((const)).
9704 (__terminate): Add prototype.
9706 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
9708 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
9710 * alpha/alpha.c (print_operand): Fix type of `code'.
9711 (alpha_output_filename): Constify.
9712 * alpha/alpha.h: Move all function declarations ...
9713 * alpha/alpha-protos.h: ... here. New file.
9714 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
9715 (SECTION_FUNCTION_TEMPLATE): Likewise.
9717 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9719 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
9720 * expr.c (expand_expr): Likewise.
9721 (do_jump): Likewise.
9722 (do_store_flag): Pass ccp_store_flag to can_compare_p.
9723 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
9725 (enum can_compare_purpose): New.
9726 (can_compare_p): Adjust prototype.
9727 (prepare_cmp_insn, prepare_operand): Declare.
9728 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
9729 * optabs.c (cmp_available_p): Deleted.
9730 (expand_abs): Pass ccp_jump to can_compare_p.
9731 (can_compare_p): New arg PURPOSE. Check for combined optabs.
9732 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
9733 Call can_compare_p rather than cmp_available_p.
9734 (prepare_operand): No longer static.
9735 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
9736 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
9737 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
9738 sequence to use emit_cmp_and_jump_insns.
9739 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
9741 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
9743 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
9744 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
9745 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
9746 (plus (reg) (const_int 0))
9747 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
9749 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
9751 * rs6000.c (expand_block_move): DImode loads and stores require
9752 word-aligned displacements. Increment address registers with
9753 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
9755 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
9757 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
9758 is no name for the base type, rather than segfault. If we are
9759 writing out a complex integer type, use DW_ATE_lo_user.
9761 * expr.c (emit_move_insn_1): If we are copying a complex that fits
9762 in one word or less (complex char, complex short, or on 64 bit
9763 systems complex float) to/from a hard register, copy it through
9764 memory instead of dying in gen_{real,imag}part. If we have a
9765 short complex type, prevent inlining since it allocates stack
9768 * tree.c (build_complex_type): If we are writing dwarf2 output,
9769 generate a name for complex integer types.
9771 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9773 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
9774 * flow.c (remove_edge): Remove extra whitespace.
9775 (remove_fake_edges): Fix comment.
9776 (add_noreturn_fake_exit_edges): Use the correct name.
9778 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
9780 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
9781 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
9782 (clean): Depend on INTL_CLEAN.
9783 (maintainer-clean): Adjust.
9785 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9787 * configure.in (AC_PREREQ): Bump to 2.13.
9788 (AC_C_STRINGIZE): Call this instead of using a custom macro.
9790 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
9792 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
9794 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
9796 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
9797 (HAVE_STRINGIZE): Define.
9799 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
9801 * c-parse.in: save and restore warn_pointer_arith on __extension__
9802 along with pedantic.
9803 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
9804 Set the type of extension to itype rather than $<itype>1 kludge.
9805 * extend.texi (Alternate Keywords): Adjust documentation.
9806 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
9808 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
9810 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
9811 most assembler templates.
9813 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
9814 FP loads and stores.
9815 (following_call): Always return zero for the PA8000.
9816 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
9817 FP loads and stores.
9818 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
9820 * pa.h (BRANCH_COST): Define.
9822 * pa.md (return, return_internal): Use bve for PA2.0.
9824 * pa.md (fused multiply): Add variants which reduce height for the
9825 fused multiply, but which still generate 2 insns.
9826 (fnegabs): Similarly.
9828 * pa.md (subsi3): Turn into an expander. Create two anonymous
9829 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
9830 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
9832 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
9834 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
9836 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
9837 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
9839 * regclass.c (init_regs): Add "top_of_stack" as a garbage
9842 * flow.c (record_active_eh_regions): Terminate loop after finding
9843 the last insn in the last basic block.
9845 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9847 * config/c4x/c4x.md: Delete parallel instruction peepholes.
9849 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9851 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
9853 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9855 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
9856 splitting to not use output template.
9858 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9860 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
9861 * config/c4x/c4x.c (c4x_va_start): New function.
9863 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
9865 * genrecog.c (not_both_true): Handle correctly cases when called for
9866 tests with different positions in the insn.
9868 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9870 * machmode.h (HOST_PTR_PRINTF): Move from here ...
9872 * system.h (HOST_PTR_PRINTF): ... to here.
9874 * mips-tfile.c: Don't include machmode.h.
9876 * Makefile.in (MACHMODE_H): New variable. Update to use it.
9877 (mips-tfile.o): Don't depend on machmode.h.
9879 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9881 * haifa-sched.c (sched_analyze): Rename local variable `region' to
9882 avoid conflicts with typedef struct `region' at the top level scope.
9884 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
9886 * basic-block.h (basic_block): Add eh_beg, eh_end.
9887 * flow.c (entry_exit_blocks): Update.
9888 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
9890 (find_basic_blocks_1): Don't record eh_list at each bb. Use
9891 lists.c functions to allocate insn lists.
9892 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
9894 (make_eh_edge): ... here. New.
9895 (move_stray_eh_region_notes): New.
9896 (record_active_eh_regions): New.
9897 (delete_unreachable_blocks): Split out block merging ...
9898 (try_merge_blocks): ... here. New.
9899 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
9900 Dump debugging data.
9901 (merge_blocks_move_successor_nojumps): Likewise.
9902 (merge_blocks): Use eh_beg+eh_end to validate block movement.
9904 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9906 * extend.texi (Bound member functions): Document unbound pmf
9909 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9911 * flow.c (split_edge): Handle insertion on a fallthrough edge which
9912 has the EXIT_BLOCK as a dest.
9914 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9916 * flow.c (remove_edge): New function to remove an edge from the
9918 (remove_fake_successors): New function to remove fake successor edges.
9919 (remove_fake_edges): New function to remove all fake edges from the
9921 (add_fake_exit_edges): New function to add fake edges from all blocks
9922 with no successors to the exit block.
9923 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
9924 prototypes for new functions.
9926 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9928 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
9929 Use Pmode to determine whether to output .dword or .word.
9931 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
9933 * tree.c (built_in_filename): New variable.
9934 (BUILT_IN_FILENAME): New macro.
9935 (init_tree_codes): Allocate built_in_filename.
9936 (make_node): Use built_in_filename instead of string constant.
9938 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
9940 * configure.in: Add fr30 target.
9941 * configure: Regenerate.
9942 * config/fr30: New directory.
9943 * config/fr30/crti.asm: New file.
9944 * config/fr30/fr30.c: New file.
9945 * config/fr30/crtn.asm: New file.
9946 * config/fr30/fr30.h: New file.
9947 * config/fr30/fr30.md: New file.
9948 * config/fr30/lib1funcs.asm: New file.
9949 * config/fr30/t-fr30: New file.
9950 * config/fr30/xm-fr30.h: New file.
9952 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
9954 * flow.c (merge_blocks_move_successor_nojumps): Delete the
9955 BARRIER at the end of the successor, not the BARRIER before
9958 * pa.c (pa_add_gc_roots): Fix thinko in last change.
9960 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
9962 * stmt.c (any_pending_cleanups): Don't crash when
9963 current_function->stmt is unset.
9965 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9967 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
9968 other initializations that may use it for relative offsets.
9970 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9972 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
9973 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
9974 * config/i386/sol2dbg.h: Removed.
9975 * config/i386/sol2gas.h: New file, to enable gas work-around.
9976 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
9977 Don't use sol2dbg.h.
9978 * configure: Rebuilt.
9980 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
9982 * invoke.texi (-fthis-is-variable): Remove documentation.
9984 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
9986 * basic-block.h (compute_bb_for_insn): Declare.
9987 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
9988 to use; set size of basic_block_for_insn directly.
9989 (find_basic_blocks): Update.
9991 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9993 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
9995 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9997 * crtstuff.c (ON_EXIT): Delete empty macro definition.
9998 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10000 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10002 * c-decl.c (c_decode_option): Extend comment.
10004 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10006 * toplev.c (progname): Make 'const char *'
10007 (flag_print_mem): Move out of main.
10008 (version_flag): Move out of main.
10009 (filename): Move out of main.
10010 (debug_args): Remove g prefix from options.
10011 (documented_lang_options): Remove cpplib specific options.
10012 (display_help): Add g prefix to debug options.
10013 (check_lang_option): Delete this function.
10014 (decode_d_option): New function: Decode -d... option.
10015 (decode_f_option): New function: Decode -f... option.
10016 (decode_W_option): New function: Decode -W... option.
10017 (decode_g_option): New function: Decode -g... option.
10018 (independent_decode_option): New function: Decode a language
10019 independent command line option.
10020 (main): Invoke lang_decode_option and then
10021 independent_decode_option on each command line option in
10024 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10026 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10027 * fold-const.c (fold_range_test): Do not try to fold the range
10028 test if the rhs or lhs has side effects.
10030 * basic-block.h (compute_flow_dominators): Declare.
10032 * gcse.c (alloc_code_hoist_mem): New function.
10033 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10034 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10035 (hoist_code, one_code_hoisting_pass): Likewise.
10036 (gcse_main): If optimizing for size, then hoist expressions
10037 computed in multiple dominated basic blocks.
10039 * gcse.c (invalid_nonnull_info): New function.
10040 (delete_null_pointer_checks): Likewise.
10041 * rtl.h (delete_null_pointer_checks): Declare.
10042 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10044 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10045 (merge-blocks_move_successor_nojumps): Likewise.
10046 (merge_blocks): Allow merging of some blocks, even if it requires
10047 physical movement of the blocks, but not if it requires new jumps.
10049 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10050 Callers and prototype changed.
10051 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10053 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10055 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10056 -YP when both -p and -pg are present. From i386/sol2.h.
10058 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10060 * Makefile.in (distclean): Delete tm_p.h.
10061 * configure.in: Create a new file, "tm_p.h", from a list in
10062 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10063 "i386/i386-protos.h".
10065 * alias.c: Include "tm_p.h".
10066 * c-typeck.c: Likewise.
10067 * calls.c: Likewise.
10069 * emit-rtl.c: Likewise.
10070 * explow.c: Likewise.
10071 * expmed.c: Likewise.
10072 * expr.c: Likewise.
10073 * final.c: Likewise.
10074 * flow.c: Likewise.
10075 * fold-const.c: Likewise.
10076 * function.c: Likewise.
10077 * gcse.c: Likewise.
10078 * global.c: Likewise.
10079 * haifa-sched.c: Likewise.
10080 * integrate.c: Likewise.
10081 * jump.c: Likewise.
10082 * local-alloc.c: Likewise.
10083 * loop.c: Likewise.
10084 * optabs.c: Likewise.
10085 * recog.c: Likewise.
10086 * reg-stack.c: Likewise.
10087 * regclass.c: Likewise.
10088 * regmove.c: Likewise.
10089 * reload.c: Likewise.
10090 * reload1.c: Likewise.
10091 * reorg.c: Likewise.
10092 * resource.c: Likewise.
10093 * stmt.c: Likewise.
10094 * stor-layout.c: Likewise.
10095 * toplev.c: Likewise.
10096 * tree.c: Likewise.
10097 * unroll.c: Likewise.
10098 * genattrtab.c (main): Make generated file include "tm_p.h".
10099 * genemit.c (main): Likewise.
10100 * genoutput.c (main): Likewise.
10101 * genrecog.c (main): Likewise.
10103 * i386.h: Delete all prototypes.
10104 * i386.c: Include "tm_p.h".
10105 (ix86_attr_length_default): Call constant_call_address_operand
10106 with correct number of arguments.
10107 * i386-protos.h: New file.
10108 * i386.md (unnamed patterns): Call constant_call_address_operand
10109 with correct number of arguments.
10110 (exception_receiver): Call load_pic_register with correct number
10113 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10115 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10117 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10119 * rtl.h (insns_safe_to_move_p): New function.
10120 * loop.c (find_and_verify_loops): Use it.
10121 * rtlanal.c (insns_safe_to_move_p): Define it.
10123 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10125 * c-pragma.c: Include ggc.h.
10126 * Makefile.in (c-pragma.o): Update.
10128 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10130 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10131 (LIB_SPEC): Likewise.
10132 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10133 Reindent -YP/-p/-pg.
10134 Copied from config/sparc/sol2.h.
10136 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10138 * c-pragma.c (mark_align_stack): New.
10139 (init_pragma): New.
10140 * c-pragma.h (init_pragma): Declare it.
10141 * c-lex.c (init_parse): Call it.
10143 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10145 * configure.in: Pick up thread library on Solaris/x86 just
10146 like on Solaris/sparc.
10147 * configure: Rebuilt.
10149 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10151 * rtl.h (global_rtx_index): New enum.
10152 (global_rtl): Change to array of rtx.
10153 (pc_rtx, cc0_rtx): Redefine accordingly.
10154 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10155 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10156 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10157 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10158 (const_int_rtx): Change to array of rtx.
10159 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10161 * emit-rtl.c (global_rtl): Change to array of rtx.
10162 (const_int_rtx): Change to aray of rtx.
10163 (gen_rtx_CONST_INT): Redefine accordingly.
10164 (init_emit_once): Allocate and initialize global_rtl. Likewise
10165 for const_int_rtx. Add both as GC roots.
10166 * genattrtab.c (global_rtl): Update declaration.
10168 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10170 * Makefile (USER_H): Add iso646.h back.
10172 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10174 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10175 zapping the LOG_LINKS of sched_before_next_call.
10177 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10178 * pa.c (insn_refs_are_delayed): Renamed from
10179 insn_sets_and_refs_are_delayed.
10181 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10183 * functiion.h (struct function): Add x_whole_function_mode_p.
10184 (retrofit_block): Declare.
10185 * function.c (retrofit_block): New function.
10186 (identify_blocks): Add assertions. Allow an incomplete set of
10187 block notes if we're still generating code for the function.
10188 * integrate.c: Include loop.h.
10189 (expand_inline_function): Call find_loop_tree_blocks to map block
10190 notes to blocks when in whole-function mode. Use retrofit_block
10191 to insert new BLOCKs for the inlined function, rather than
10193 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10194 * Makefile.in (integrate.o): Depend on loop.h.
10196 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10198 * tree.h (warn_about_unused_variables): Declare.
10199 * stmt.c (warn_about_unused_variables): New function, split out
10201 (expand_end_bindings): Here.
10203 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10205 * stmt.c (preserve_subexpressions_p): Don't crash when
10206 current_function->stmt is unset.
10208 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10210 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10211 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10212 (expand_start_target_temps): Use it.
10213 * except.c (expand_eh_region_start_for_decl): Likewise.
10214 * expr.c (expand_expr): Likewise.
10216 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10218 * fold-const.c (operand_equal_p): Pay attention to side effects.
10220 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10222 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10223 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10225 * tlink.c (scan_linker_output): Look for keywords before accepting
10226 a mangled name in quotes.
10228 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10230 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10231 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10233 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10235 * alpha.md: Revert Thu Nov 26 change that came in through the
10236 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10237 Avoid earlyclobber when possible.
10239 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10243 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10244 Define HAVE_ON_EXIT.
10246 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10248 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10249 CTYPE_CONV in all ctype macros.
10251 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10254 * cexp.y (initialize_random_junk): Likewise.
10256 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10258 * i370.c (handle_pragma): Likewise.
10260 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10262 * v850.c (override_options): Likewise.
10264 * doprint.c (_doprnt): Likewise.
10266 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10269 * fixinc/server.c (load_data): Likewise.
10271 * fold-const.c (real_hex_to_f): Likewise.
10273 * genattr.c (write_upcase, gen_attr): Likewise.
10275 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10276 write_upcase): Likewise.
10278 * genemit.c (print_code): Likewise.
10280 * genopinit.c (gen_insn): Likewise.
10282 * genpeep.c (print_code): Likewise.
10284 * genrecog.c (print_code): Likewise.
10286 * optabs.c (init_libfuncs): Likewise.
10288 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10290 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10292 (reemit_notes): Likewise.
10294 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10296 * ggc.h (ggc_root): Move to ggc-common.c.
10298 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10299 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10300 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10301 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10302 * ggc-common.c (ggc_root): Move from ggc.h.
10303 (roots): Declare, static.
10304 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10305 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10306 null or check/set mark bit.
10307 (ggc_mark_roots): New.
10308 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10310 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10312 * m32r.c: Include toplev.h.
10313 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10314 (gen_compare): Rename swap_p to must_swap to match uses.
10315 Add default abort case.
10316 (m32r_output_function_epilogue): Remove unused variables.
10317 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10318 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10319 define to empty parameter list. Update all uses.
10320 (predicate decls): Use enum machine_mode not int.
10321 * m32r.md (movsi): Call abort, not fatal_insn.
10322 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10324 1999-09-14 Andrew Haley <aph@cygnus.com>
10326 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10327 use $0 instead of 0.
10329 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10331 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10332 computation out of loop over hard regs.
10334 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10336 * function.c (identify_blocks): Don't shadow a variable in an
10338 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10339 pushdecl, or poplevel to build up the new BLOCK tree.
10340 (expand_inline_function): Likewise.
10341 (integrate_parm_decls): Likewise.
10343 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10345 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10347 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10349 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10350 * invoke.texi: Document this change.
10352 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10354 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10356 (mark_emit_status): Renamed from mark_emit_state.
10357 * except.c (mark_eh_status): Renamed from mark_eh_state.
10358 Check not null before marking.
10359 (free_eh_status): New.
10360 * expr.c (mark_expr_status, free_expr_status): New.
10361 * function.c (free_machine_status): New.
10362 (free_after_parsing): New.
10363 (free_after_compilation): Move bits to free_after_parsing; call
10364 free_eh_status, free_expr_status; zero the marked members of the
10366 (prepare_function_start): No can_garbage_collect.
10367 Call init_eh_for_function.
10368 (expand_dummy_function_end): Free up current_function state.
10369 (mark_function_status): Renamed from mark_function_state.
10370 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10371 * function.h (struct function): No can_garbage_collect.
10372 (free_machine_status, free_after_parsing): Declare.
10373 (free_eh_status, free_expr_status): Declare.
10374 * ggc.h (mark_expr_status): Declare.
10375 * stmt.c (free_stmt_status): Free the struct.
10376 (mark_stmt_status): Renamed from mark_stmt_state.
10377 (init_stmt): Don't call init_eh.
10378 (init_stmt_for_function): Don't call init_eh_for_function.
10379 * toplev.c (compile_file): Call init_eh.
10380 (rest_of_compilation): Free basic block info before ggc_collect.
10381 Call free_after_parsing; conditionally call free_after_compilation.
10382 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10383 Check not null before marking.
10384 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10386 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10388 * c-lex.c (yylex): Initialize warn.
10390 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10392 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10393 register when performing secondary reloads for the SAR register.
10395 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10397 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10398 (NOTE_BLOCK): New macro.
10399 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10400 * function.h (identify_blocks): Change prototype.
10401 * function.c (identify_blocks): Simplify.
10402 (reorder_blocks): Likewise.
10403 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10404 NOTE_INSN_BLOCK_{BEG,END}.
10405 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10406 the list of saved notes if the note isn't a
10407 NOTE_INSN_BLOCK_{BEG,END}.
10408 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10410 (reemit_notes): Adjust recreation of notes to reflect new saved
10412 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10413 printing a block note.
10414 * stmt.c (block_vector): Remove.
10415 (find_loop_tree_blocks): Simplify.
10416 (unroll_block_trees): Likewise.
10417 * tree.h (reorder_block): Change prototype.
10419 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10421 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10422 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10423 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10424 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10425 (atexit, exit): Simplify.
10426 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10427 * config/lots: Remove defns of HAVE_ATEXIT.
10429 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10431 * calls.c (precompute_arguments): Fix typo in comment.
10432 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10435 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10437 * dsp16xx.c (override_options): Fix typos in GC root registration.
10439 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10441 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10442 from config/svr4.h.
10443 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10444 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10445 (CC1_SPEC): Likewise.
10447 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10449 * genattr.c (main): Add extern prototype. Call return, not exit.
10450 * genattrtab.c (main): Likewise.
10451 * gencheck.c (main): Likewise.
10452 * gencodes.c (main): Likewise.
10453 * genconfig.c (main): Likewise.
10454 * genemit.c (main): Likewise.
10455 * genextract.c (main): Likewise.
10456 * genflags.c (main): Likewise.
10457 * gengenrtl.c (main): Likewise.
10458 * genopinit.c (main): Likewise.
10459 * genoutput.c (main): Likewise.
10460 * genpeep.c (main): Likewise.
10461 * genrecog.c (main): Likewise.
10463 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10464 * genattrtab.c (get_insn_name): Likewise.
10465 * gencodes.c (get_insn_name): Likewise.
10466 * genconfig.c (get_insn_name): Likewise.
10467 * genemit.c (get_insn_name): Likewise.
10468 * genextract.c (get_insn_name): Likewise.
10469 * genflags.c (get_insn_name): Likewise.
10470 * genopinit.c (get_insn_name): Likewise.
10471 * genpeep.c (get_insn_name): Likewise.
10473 * gencheck.c (usage): Add static prototype.
10474 * genextract.c (print_path): Constify a char*.
10475 * genopinit.c (optabs): Likewise.
10476 * genoutput.c (operand_data, data, output_predicate_decls,
10477 compare_operands): Likewise.
10478 * genrecog.c (write_tree): Add default case in switch.
10480 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10482 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
10484 * print-rtl.c (get_insn_name): Remove prototype.
10486 * toplev.h (progname): Declare const.
10488 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
10489 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
10490 dump_sched_info, dump_local_alloc, regset_release_memory,
10491 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
10492 error_with_file_and_line, error_with_decl, error_for_asm, error,
10493 fatal, warning_with_file_and_line, warning_with_decl, warning,
10494 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
10495 Remove redundant prototypes.
10497 (notice, check_lang_option, report_file_and_line, vnotice,
10498 mark_file_stack): Add static prototype.
10499 (set_fatal_function): Add prototype.
10500 (vnotice, report_file_and_line, set_fatal_function,
10501 check_lang_option): Constify a char*.
10502 (main): Prototype. Call return, not exit.
10504 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10506 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
10508 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
10510 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
10512 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
10514 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10516 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
10517 behave as if it's zero in all cases.
10518 (expand_function_start): Adjust call to assign_parms.
10519 * tree.h (assign_parms): Adjust prototype.
10520 * objc/objc-act.c (hack_method_prototype): Adjust call to
10523 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
10525 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
10526 arg_pointer_rtx fixed if the argument pointer register is
10528 (NONZERO_BASE_PLUS_P): Likewise.
10530 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
10532 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
10533 match_insn2 to match_insn.
10534 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
10536 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
10538 * Makefile.in (USER_H): Remove va-foo.h.
10540 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
10541 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
10542 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
10543 va-spur.h,va-v850.h}: Remove.
10545 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
10547 * sparc/sparc.md (eligible_for_return_delay): New attribute.
10548 (in_return_delay): Use it instead of match_insn.
10550 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10552 * config/alpha/va_list.h (va-alpha.h): Do not include.
10553 (__gnuc_va_list): Typedef as in varargs.h.
10555 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
10557 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
10558 DECL_LIVE_RANGE_RTL.
10560 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
10562 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
10563 not NOTE_BLOCK_NUMBER.
10564 (expand_eh_region_end): Likewise.
10565 (find_exception_handler_labels): Likewise.
10566 (scan_region): Likewise.
10567 (exception_optimize): Likewise.
10568 (update_rethrow_references): Likewise.
10569 (set_insn_eh_region): Likewise.
10570 * final.c (final_scan_insn): Likewise.
10571 * flow.c (make_edges): Likewise.
10572 * integrate.c (expand_inline_function): Likewise.
10573 * print-rtl.c (print_rtx): Likewise.
10575 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
10577 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
10578 terms of builtin functions and types.
10580 * mips.c (mips_build_va_list): New.
10581 (mips_va_start, mips_va_arg): New.
10582 * mips.h (BUILD_VA_LIST_TYPE): New.
10583 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10585 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
10586 (sh_build_va_list, sh_va_start, sh_va_arg): New.
10587 * sh.h (BUILD_VA_LIST_TYPE): New.
10588 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10590 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
10592 * recog.h (struct recog_data): Make dup_num, operand_address_p,
10593 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
10594 (struct insn_data): Likewise with n_operands, n_dups,
10595 n_alternatives, output_format.
10596 * regclass.c (scan_one_insn): Cast n_operands to int before
10597 arithmetic inside comparison.
10599 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
10601 * toplev.c (compile_function): Unconditionally emit nop.
10603 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * haifa-sched.c (actual_hazard): Move declaration of variable
10606 `this_cost' into the scope where it is used.
10608 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10610 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
10611 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
10612 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
10614 * genrecog.c (make_insn_sequence): Call memset, not bzero.
10616 * jump.c (find_insert_position): Don't declare or define unless
10617 !HAVE_conditional_arithmetic.
10618 (returnjump_p_1, delete_prior_computation): Add static prototypes.
10620 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
10622 * recog.c (offsettable_address_p): Prototype function pointer.
10623 (preprocess_constraints): Call memset, not bzero.
10625 * tree.c (tree_node_kind_names): Constify a char*. Make static.
10626 (gcc_obstack_init): Don't declare.
10627 (fix_sizetype): Add static prototype.
10628 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
10629 (tree_cons): Call memset, not bzero.
10631 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
10632 definition in macro ASM_WEAKEN_LABEL.
10633 (mark_const_hash_entry): Add static prototype.
10635 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10637 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
10639 * unroll.c (find_common_reg_term, subtract_reg_term,
10640 loop_find_equiv_value): Add static prototypes.
10641 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
10642 (copy_loop_body): Remove unreachable break statement.
10644 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
10646 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
10648 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10650 Undo some changes from the gcc2 merge:
10651 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
10652 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
10656 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
10657 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10658 initialized float-int union if the value is a NaN.
10660 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
10662 * gthr-win32.h: New file.
10664 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
10665 shared as a valid attribute.
10666 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
10667 * extend.texi: Document `shared' variable attribute.
10669 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
10671 * configure.in: Handle --enable-threads on FreeBSD.
10672 * configure: Rebuit.
10674 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10676 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
10678 * configure: Rebuilt.
10680 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
10681 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
10682 Rosimildo DaSilva <rdasilva@connecttel.com>
10684 * configure.in (m68k-*-rtemscoff*): Added.
10685 * configure.in (mips64orion-*-rtems*): Converted to ELF.
10686 * configure.in (sparc-*-rtemsaout*): Added as alias for old
10687 sparc-rtems configuration.
10688 * configure.in (sparc-*-rtemself*): Added.
10689 * configure.in (sparc-*-rtems*): Now ELF not a.out.
10690 * config/i386/rtems.h: Added comment.
10691 * config/sparc/rtemself.h: New file.
10693 * configure.in (m68k-rtemself): Added.
10694 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
10695 and DWARF_DEBUGGING_INFO.
10696 * config/m68k/crti.s: New file.
10697 * config/m68k/crtn.s: New file.
10698 * config/m68k/t-crtstuff: New file.
10699 * config/m68k/rtemself.h: New file.
10701 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
10702 global ctor/dtor and C++ exception handling.
10703 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
10704 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
10706 * config/i386/t-rtems-i386: New File.
10708 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
10710 * stmt.c (expand_end_case): Return right away if the case stack is
10713 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
10715 * Makefile.in (version.c): Remove rule incorrectly brought in from
10718 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
10720 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
10721 * msdos/top.sed: Take into account a prepended $(SHELL) to
10723 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
10725 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
10727 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10729 * regmove.c (fixup_match_1): Don't change an unchanging register.
10730 (stable_but_for_p): Renamed to:
10731 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
10732 Changed all callers.
10734 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
10736 * loop.c (strength_reduce): Don't call reg_used_between_p if the
10737 insn from BL2 is after the insn from BL.
10739 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
10741 * recog.h (INSN_OUTPUT_FORMAT_*): New.
10742 (struct insn_data): Merge `template' and `outfun' into `output'.
10743 Add `output_format'.
10744 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
10745 (struct data): Remove `outfun'; add `output_format'.
10746 (name_for_index): Remove declaration.
10747 (output_insn_data): Handle output formats.
10748 (process_template): Emit the bare array for @.
10749 (gen_expand, gen_split): Set output_format to NONE.
10750 * output.h (get_insn_template): Declare.
10751 * final.c (get_insn_template): New.
10752 (final_scan_insn): Use it.
10753 * toplev.c (compile_file): Likewise.
10755 * c4x/c4x.c (c4x_process_after_reload): Likewise.
10756 * i860/i860.c (output_delayed_branch): Likewise.
10757 (output_delay_insn): Likewise.
10759 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10761 * rtl.c (obstack_alloc_rtx): Removed.
10763 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
10765 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
10767 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10769 * i386.c (call_insn_operand): Reject const_int.
10770 (expander_call_insn_operand): Use call_insn_operand.
10772 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10774 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
10776 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
10778 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
10779 Use DImode operation.
10781 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
10783 * gcc.c: Include sys/resource.h.
10784 (report_times): New flag.
10785 (execute): If report_times is set, calculate and report the
10786 CPU time consumed by each subprocess.
10788 (rus, prus): New globals.
10789 (option_map): Add --time.
10790 (display_help): Document -time.
10791 (process_command): Set report_times if -time is given.
10792 Turn off -pipe if -time is given.
10794 * invoke.texi: Document new option -time.
10796 * configure.in: Check for getrusage. Check if we have to
10797 prototype getrusage.
10798 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
10799 * configure: Regenerate.
10800 * config.in: Regenerate.
10802 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
10804 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
10807 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
10809 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
10810 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
10811 (nan): Return _thenan_sf or _thenan_df as appropriate.
10812 (L_thenan_sf): Define _thenan_sf.
10813 (L_thenan_df): Define _thenan_df.
10815 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
10816 (DPBIT_FUNCS): Add _thenan_df.
10818 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
10820 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
10823 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10825 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
10828 (lang_specific_driver): Don't take a function pointer parameter.
10829 All callers changed.
10831 * gcc.c: Include gcc.h.
10832 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
10833 lang_specific_extra_outfiles, fatal): Don't declare.
10834 (multilib_defaults_raw): Constify.
10835 (read_specs): Call memset, rather than bzero.
10836 (main): Call return, not exit.
10837 (lookup_compiler): Call memcpy, not bcopy.
10838 (fatal): Make extern.
10840 * cppspec.c: Include gcc.h.
10841 (lang_specific_driver): Initialize variable `quote'. Constify a
10842 char*. All calls to the function pointer parameter now
10843 explicitly call `fatal'.
10845 * gccspec.c (lang_specific_driver): Include gcc.h.
10847 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
10849 * arm.c (note_invalid_constants): Use recog_data.operand_type
10852 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10854 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
10857 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
10858 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
10859 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
10860 reload_secondary_in_reload, reload_secondary_out_reload,
10861 reload_secondary_in_icode, reload_secondary_out_icode,
10862 reload_reg_rtx, reload_when_needed): Delete declarations.
10863 (struct reload): New structure.
10864 (rld): Declare new array.
10865 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
10866 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
10867 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
10868 reload_secondary_in_reload, reload_secondary_out_reload,
10869 reload_secondary_in_icode, reload_secondary_out_icode,
10870 reload_reg_rtx, reload_when_needed): Delete definitions.
10872 (whole file): Replace uses of the deleted arrays with uses of rld.
10873 * reload1.c (whole file): Replace uses of the deleted arrays with
10875 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
10876 explicit loops, not with bcopy.
10878 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
10880 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
10881 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
10882 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
10883 insn_name): Delete and consolidate into new structures.
10884 (insn_operand_predicate_fn): New.
10885 (insn_output_fn): New.
10886 (insn_gen_fn): New.
10887 (struct insn_operand_data): New.
10888 (struct insn_data): New.
10890 (OUT_FCN): Update for insn_data change.
10891 * builtins.c (expand_builtin_strlen): Likewise.
10892 (expand_builtin_memcmp): Likewise.
10893 * combine.c (make_extraction, simplify_comparison): Likewise.
10894 * cse.c (canon_reg, cse_insn): Likewise.
10895 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
10896 * expmed.c (store_bit_field, extract_bit_field): Likewise.
10897 (emit_store_flag): Likewise.
10898 * expr.c (convert_move, emit_block_move): Likewise.
10899 (clear_storage, emit_push_insn, expand_increment): Likewise.
10900 (do_store_flag): Likewise.
10901 * expr.h (GEN_FCN): Likewise.
10902 (insn_gen_function): Die.
10903 * final.c (final_scan_insn): Update for insn_data change.
10904 (output_asm_name): Likewise.
10905 * function.c (fixup_var_refs_1): Likewise.
10906 * loop.c (check_dbra_loop): Likewise.
10907 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
10908 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
10909 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
10910 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
10911 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
10912 * regmove.c (gen_add3_insn): Likewise.
10913 * reload.c (push_secondary_reload, combine_reloads): Likewise.
10914 (find_reloads, find_reloads_address_1): Likewise.
10915 (debug_reload_to_stream): Likewise.
10916 * reload1.c (emit_reload_insns, gen_reload): Likewise.
10917 * stmt.c (expand_end_case): Likewise.
10918 * toplev.c (compile_file): Likewise.
10920 * c4x/c4x.c (c4x_process_after_reload): Likewise.
10921 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
10923 * print-rtl.c (insn_name_ptr): Remove declaration.
10924 (get_insn_name): Declare.
10925 (print_rtx): Use it.
10926 * genoutput.c (insn_name_ptr): Remove.
10927 (next_operand_number): New.
10928 (struct operand_data): New.
10929 (null_operand, odata, odata_end): New.
10930 (struct data): Use struct operand_data.
10931 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
10932 (get_insn_name): Renamed from name_for_index.
10933 (output_prologue): Define NO_MD_PROTOTYPES.
10934 (output_predicate_decls): Break out from output_epilogue.
10935 Iterate over the operands list.
10936 (output_operand_data): Break out from output_epilogue. Emit
10937 just the operands list.
10938 (output_insn_data): Break out from output_epilogue. Emit just
10940 (output_epilogue): Remove.
10941 (output_get_insn_name): New.
10942 (constraints, op_n_alternatives, predicates, address_p): Die.
10943 (modes, strict_low, seen): Die.
10944 (scan_operands): Take new param `d' instead of writing to
10945 seven global variables.
10946 (compare_operands): New.
10947 (place_operands): New.
10948 (validate_insn_alternatives): Update for struct data change.
10949 (gen_insn): Don't zero or copy 7 global arrays. Update for
10950 scan_operands; call place_operands.
10951 (gen_peephole, gen_expand, gen_split): Likewise.
10952 (main): Update for new output routines.
10954 * genattr.c (insn_name_ptr): Remove.
10955 (get_insn_name): New function.
10956 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
10957 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
10958 * genrecog.c: Likewise.
10960 * alpha.md (adddi3): Make `pattern' array static.
10962 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10964 * config/c4x/c4x.h (c4x_rpts_cycles_string,
10965 c4x_cpu_version_string): Constify char *.
10966 * config/c4x/c4x.c (c4x_rpts_cycles_string,
10967 c4x_cpu_version_string): Likewise.
10969 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
10971 * tree.c (save_tree_status): Revert 10 Sep change.
10972 (restore_tree_status): Likewise. Call obstack_free with NULL
10973 before freeing the obstack proper.
10975 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
10977 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
10979 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
10980 surrounding context.
10982 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
10984 * tree.c (type_hash_canon): Put all types in the hash-table, when
10987 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
10989 * recog.h (struct recog_data, recog_data): New.
10990 (recog_foo variables): Kill.
10991 * recog.c (recog_operand, recog_operand_loc): Kill.
10992 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
10993 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
10994 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
10995 (recog_data): Define.
10996 (extract_insn): Update all recog_foo references to use recog_data.
10997 (preprocess_constraints, constrain_operands): Likewise.
10998 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
10999 * genattrtab.c (main): Likewise.
11000 * genextract.c (main): Likewise.
11001 * genoutput.c: Likewise.
11002 * genrecog.c (write_subroutine, main): Likewise.
11003 * local-alloc.c (block_alloc): Likewise.
11004 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11005 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11006 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11007 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11008 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11009 (reload_cse_simplify_operands): Likewise.
11011 * arc/arc.c (arc_final_prescan_insn): Likewise.
11012 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11013 * h8300/h8300.c (notice_update_cc): Likewise.
11014 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11015 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11016 * mn10200/mn10200.c (notice_update_cc): Likewise.
11017 * mn10300/mn10300.c (notice_update_cc): Likewise.
11018 * romp/romp.c (update_cc): Likewise.
11019 * sparc/sparc.c (check_pic): Likewise.
11020 * v850/v850.c (notice_update_cc): Likewise.
11022 * genemit.c (main): Don't declare recog_operand.
11024 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11026 * ggc.h (rtvec_def): Forward declare.
11027 (tree_node): Likewise.
11028 (ggc_root): Define.
11030 (ggc_set_mark_rtx): Add prototype.
11031 (ggc_set_mark_rtvec): Likewise.
11032 (ggc_set_mark_tree): Likewise.
11033 * ggc-simple.c (ggc_root): Don't define.
11034 (roots): Don't declare.
11035 (ggc_mark_rtx): Remove.
11036 (ggc_mark_rtvec): Likewise.
11037 (ggc_mark_tree): Likewise.
11038 (ggc_mark_varray): Likewise.
11039 (ggc_mark_tree_hash_table_entry): Likewise.
11040 (ggc_mark_tree_hash_table): Likewise.
11041 (ggc_set_mart_rtx): New function.
11042 (ggc_set_mark_rtvec): Likewise.
11043 (ggc_set_mark_tree): Likewise.
11044 (ggc_add_root): Remove.
11045 (ggc_add_rtx_root): Likewise.
11046 (ggc_remove_tree_root): Likewise.
11047 (ggc_add_string_root): Likewise.
11048 (ggc_add_tree_varray_root): Likewise.
11049 (ggc_add_tree_hash_table_root): Likewise.
11050 (ggc_del_root): Likewise.
11051 (ggc_mark_rtx_ptr): Likewise.
11052 (ggc_mark_tree_ptr): Likewise.
11053 (ggc_mark_string_ptr): Likewise.
11054 (ggc_mark_tree_varray_ptr): Likewise.
11055 (ggc_mark_tree_hash_table_ptr): Likewise.
11056 * ggc-common.c: New file.
11057 * Makefile.in (OBJS): Add ggc-common.o.
11058 (ggc-common.o): List dependencies.
11060 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11062 * cppalloc.c (xstrdup): Use memcpy.
11063 * cpperror.c (cpp_print_containing_files): Don't use
11065 * cpplib.c (conditional_skip): Set temp->lineno.
11066 (do_endif): Make error message less obscure.
11067 (if_directive_name): New function.
11068 (cpp_get_token [case EOF]): Unwind the if stack and generate
11069 error messages for each unterminated conditional in this file.
11070 (parse_string): Do not behave differently if -traditional.
11072 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11074 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11075 va_list decomposing to pointer-type.
11076 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11077 (rs6000_va_arg): Likewise.
11079 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11081 * except.c (start_dynamic_handler): Compute size using
11082 STACK_SAVEAREA_MODE.
11084 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11086 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11087 include directory headers. Don't define strrchr. Don't provide
11088 my_* replacement functions. Prefer PTR over `pointer_type'.
11089 Don't prototype system functions. Don't redefine getopt.
11091 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11092 safe_read, safe_write, save_pointers, restore_pointers,
11093 is_id_char, in_system_include_dir, directory_specified_p,
11094 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11095 find_corresponding_lparen, referenced_file_is_newer,
11096 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11097 process_aux_info_file, identify_lineno, check_source,
11098 seek_to_line, forward_to_next_token_char, output_bytes,
11099 output_string, output_up_to, other_variable_style_function,
11100 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11101 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11102 find_static_definition, connect_defs_and_decs, add_local_decl,
11103 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11104 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11105 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11106 scan_for_missed_items, edit_file, string_list_cons): Add static
11108 (standard_exec_prefix, target_machine, target_version,
11109 default_syscalls_dir, string_list, string_list_cons, find_file,
11110 do_cleaning): Constify a char*.
11111 (safe_read, safe_write): Use PTR, not a char*.
11112 (is_id_char): Take an int, not a char.
11113 (main): Add prototype. Call return, not exit.
11115 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11117 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11118 when comparing types.
11120 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11122 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11123 (strength_reduce): Release the varrays from the no-bivs early exit.
11125 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11126 the loop over the registers.
11128 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11130 (restore_tree_status): Check that instead when freeing the obstack.
11132 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11134 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11137 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11139 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11140 operand size modifiers.
11142 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11144 * c-common.c (c_common_nodes_and_builtins): Don't build
11146 * c-common.h (enum c_tree_index and related accesor macros): Remove
11147 everything now declared in tree.h.
11148 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11149 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11150 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11151 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11152 unsigned_type_node, ptr_type_node, va_list_type_node,
11153 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11154 (init_decl_processing): Call build_common_tree_nodes and
11155 build_common_tree_nodes_2 instead of building their nodes here.
11156 Don't add roots for these nodes.
11157 * stor-layout.c (size_zero_node, size_one_node): Delete.
11158 (set_sizetype): Make a new node for bitsizetype each time.
11159 * tree.c (global_trees): New variable.
11160 (init_obstacks): Add a gc root for it.
11161 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11162 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11163 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11164 (build_common_tree_nodes): New function.
11165 (fix_sizetype): New function.
11166 (build_common_tree_nodes_2): New function.
11167 * tree.h (enum tree_index): New.
11168 (global_trees): Declare.
11169 Add accessor macros for all nodes now moved to global_trees.
11170 Delete their declarations.
11172 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11174 * c-decl.c (finish_function): When processing a nested function,
11175 push and pop GC context around rest_of_compilation.
11177 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11179 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11180 Default ix86_arch to PROCESSOR_I386.
11181 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11182 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11183 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11184 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11185 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11186 (EXTRA_SPECS): Remove deleted specs.
11188 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11190 * function.c (assign_stack_local_1): Allocate from
11191 function->x_frame_offset, not frame_offset.
11193 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11195 * ggc.h (lang_cleanup_tree): Remove.
11196 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11197 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11199 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11200 TYPE_LANG_SPECIFIC when garbage collecting.
11201 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11202 (lang_cleanup_tree): Remove.
11204 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11206 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11207 * crtstuff.c: Not here.
11208 * dwarf2out.c: Or here.
11209 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11212 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11214 * function.h (free_after_compilation): Remove decl parameter.
11215 (free_varasm_status0: Likewise.
11216 (free_emit_status): Likewise.
11217 (free_stmt_status): Likewise.
11218 (free_after_compilation): Likewise.
11219 (init_lang_status): New variable.
11220 (free_lang_status): Likewise.
11221 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11222 * function.c (init_lang_status): New variable.
11223 (free_lang_status): Likewise.
11224 (push_function_context_to): Don't set function::decl here.
11225 (free_after_copmilation): Make decl parameter implicit. Call
11226 free_lang_status if defined.
11227 (prepare_function_start): Call init_lang_status if defined.
11228 (init_function_start): Set function::decl here.
11229 * profile.c (output_func_start_profiler): Don't call pushdecl
11230 until we've actually started the function.
11231 * stmt.c (free_stmt_status): Make decl parameter implicit.
11232 * toplev.c (rest_of_compilation): Don't pass decl to
11233 free_after_compilation.
11234 * varasm.c (free_varasm_status): Likewise.
11236 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11238 * except.c (call_get_eh_context): Add root when allocating static
11241 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11243 * arm.c: Include "ggc.h".
11244 (arm_add_gc_roots): New function.
11245 (arm_override_options): Call it.
11246 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11248 * arm.md (define_asm_attributes): Add a pool_range attribute.
11250 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11252 * extend.texi (Volatiles): New node.
11254 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11256 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11257 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11258 (struct ggc_any): Replace `mark' with `magic_mark'.
11259 (ggc_alloc_string): Use memcpy, not bcopy.
11260 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11261 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11262 (ggc_free_any): New.
11263 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11264 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11265 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11266 Use IS_MARKED. Use ggc_free_any.
11268 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11270 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11272 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11274 * toplev.c (main): Always init_ggc.
11276 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11278 * except.c (find_all_handler_type_matches): Free the list if
11279 we found no matches.
11281 * combine.c (SUBST): Break out to a real function do_SUBST.
11282 (SUBST_INT): Likewise.
11283 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11284 (pre_insert): Free `inserted'.
11285 * loop.c (basic_induction_var): Always set `location'.
11287 * function.c (expand_function_end): Add initial_trampoline as a root.
11288 * rtl.h (init_varasm_once): Declare.
11289 * toplev.c (compile_file): Call it.
11290 * ggc-simple.c (ggc_mark_string_ptr): New.
11291 (ggc_add_string_root): New.
11292 (ggc_collect): Disable collection avoidance temporarily.
11293 * ggc.h (ggc_add_string_root): Declare.
11294 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11295 * optabs.c (init_libfuncs): Likewise.
11296 * varasm.c (named_section): Use ggc_alloc_string.
11297 (make_function_rtl): Likewise.
11298 (make_decl_rtl): Likewise.
11299 (assemble_static_space): Likewise.
11300 (assemble_trampoline_template): Likewise.
11301 (output_constant_def): Likewise.
11302 (force_const_mem): Likewise.
11303 (mark_const_hash_entry): New.
11304 (mark_pool_sym_hash_table): New.
11305 (mark_varasm_state): Use it.
11306 (init_varasm_once): New.
11308 * expr.h (init_one_libfunc): Declare.
11309 * optabs.c (init_one_libfunc): New.
11310 (init_optabs): Use it.
11311 * config/gofast.h: Likewise.
11312 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11313 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11315 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11317 * Makefile.in (cppexp.o): Depend on cpphash.h.
11318 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11320 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11321 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11322 redefining poisoned identifiers, etc.
11323 (do_undef): Don't allow poisoned identifiers to be undefined.
11324 (do_pragma): Add #pragma poison.
11325 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11327 * cccp.c: Add T_POISON node type.
11328 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11330 (do_define): Generalise to handle poisoned definitions,
11331 redefining poisoned identifiers, etc.
11332 (do_undef): Don't allow poisoned identifiers to be undefined.
11333 (do_pragma): Add #pragma poison.
11334 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11336 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11337 * c-pragma.h: Add ps_poison state. We now always have generic
11340 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11342 * ggc.h (ggc_alloc): New function.
11343 (ggc_mark): Likewise.
11344 * ggc-simple.c (ggc_any): New structure.
11345 (ggc_status): Add anys.
11346 (n_anys_collected): New variable.
11347 (ggc_alloc): Define.
11348 (ggc_mark): Likewise.
11349 (ggc_collect): Collect the anys.
11351 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11353 * c-decl.c (mark_binding_level): Make static to match prototype.
11355 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11357 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11359 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11361 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11362 will use into account. Expand the max width to 5.
11365 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11367 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11368 for the rtx length.
11370 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11372 * alpha.md (call value patterns): Remove the result predicates.
11374 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11376 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11379 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11381 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11382 changed from extern char *, to extern PTR. Also fix typo in
11383 NEED_DECLARATION_REALLOC test.
11385 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11387 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11389 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11390 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11391 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11392 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11394 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11396 * cccp.c (pcfinclude): Likewise.
11398 * global.c (allocno_compare): Likewise.
11400 * haifa-sched.c (rank_for_schedule): Likewise.
11402 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11404 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11406 * stupid.c (stupid_reg_compare): Likewise.
11408 * tree.c (_obstack_allocated_p): Likewise.
11410 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11412 1999-09-08 Bruce Korb autogen@linuxbox.com
11414 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11415 why "gperf -F" fails.
11416 * gcc/cp/Makefile.in: ditto
11417 * gcc/Makefile.in: ditto
11418 * gcc/java/Makefile.in: ditto
11420 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11422 * lists.c: Include ggc.h.
11424 (init_EXPR_INSN_LIST_cache): Install it.
11426 * ggc-simple.c (init_ggc): Absorb the old init.
11427 (ggc_push_context): Use xcalloc.
11428 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11429 (ggc_collect): Add [rvts] tags to the collection stats.
11431 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11433 * cccp.c (main): Fix handling of -include and -imacros options.
11435 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11437 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11439 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11441 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11444 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11446 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11447 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11448 and SET_DEST. Update comment.
11450 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11452 * config/c4x/c4x.c: Include ggc.h.
11453 (c4x_add_gc_roots): New function.
11454 (c4x_override_options): Call c4x_add_gc_roots.
11456 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11458 * defaults.h (TARGET_ESC): Move ...
11459 * system.h: ... here, where Linas had it in the first place. Silly me.
11461 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11463 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11464 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11465 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11466 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11467 * defaults.h (TARGET_ESC): Add default.
11469 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
11471 * configure.in: add i370-*-openedition, i370-*-mvs and
11472 i370-*-linux targets
11474 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
11476 * dsp16xxx.c: Include ggc.h
11477 (override_options): Mark GC roots.
11478 * mn10200.c: Include ggc.h.
11479 (asm_file_start): Mark GC roots.
11480 * tahoe.c: Include ggc.h.
11481 (extensible_operand): Mark GC roots.
11483 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
11485 * README: Add section discussing status of ELF ABI.
11486 * i370.c: Fix misc spelling mistakes.
11487 (i370_label_scan): Updated notes, exception handling.
11488 (i370_function_prolog): Simplify ELF stack handling.
11489 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
11490 (STACK_GROWS_DOWNWARD): ELF stack grows down.
11491 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
11492 * i370.md: (movdi): Add notes.
11493 (floatsidf2): Use stack not rtca for scratch float area.
11494 (iorsi3): Correct operand constraints.
11495 * x-oe: Restore TAROUTOPTS which are used by pax.
11497 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
11499 * rs6000.c: Include ggc.h.
11500 (rs6000_add_gc_roots): New function.
11501 (override_options): Call it.
11503 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
11505 * alpha.h (alpha_compare): New.
11506 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
11507 * alpha.c: Likewise for the definitions.
11508 (alpha_emit_conditional_branch): Update for alpha_compare.
11509 (alpha_emit_conditional_move): Likewise.
11510 * alpha.md (cmpdf, cmpdi): Likewise.
11511 (setcc patterns): Likewise. Zero alpha_compare after use.
11512 (sne): Optimize (x != 0) into (0U < x).
11514 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
11516 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
11517 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
11518 (INIT_EXPANDERS): Remove.
11519 * alpha.c: Include ggc.h.
11520 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
11521 (alpha_init_machine_status, alpha_mark_machine_status): New.
11522 (override_options): Install them.
11523 (struct machine_function): Moved to alpha.h.
11524 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
11525 (alpha_init_expanders): Remove.
11526 (alpha_return_addr): Adjust to use current_function->machine.
11527 (alpha_ra_ever_killed): Likewise.
11528 (alpha_expand_epilogue): Likewise.
11529 * alpha.md (eh_epilogue): Likewise.
11531 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
11532 Melissa O'Neill <oneill@cs.sfu.ca>
11533 Geoffrey Keating <geoffk@cygnus.com>
11535 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
11536 call-used registers (call-saved registers must still be contiguous
11537 and end with r31, of course).
11539 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
11541 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
11542 (self_promoting_type_p): Delete.
11543 (self_promoting_args_p): Move ...
11544 * c-common.c: ... here.
11545 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
11546 (simple_type_promotes_to): New.
11547 * builtins.c (lang_type_promotes_to): New.
11548 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
11549 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
11550 * c-common.h: ... here.
11551 (self_promoting_args_p, simple_type_promotes_to): Declare.
11552 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
11553 (grokdeclarator): Likewise.
11554 * tree.h (lang_type_promotes_to): Declare.
11556 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
11558 Add some machine-dependent GC roots.
11559 * sparc.c: Include ggc.h.
11560 (sparc_add_gc_roots): New function.
11561 (mark_ultrasparc_pipeline_state): Likewise.
11562 (override_options): Call sparc_add_gc_roots.
11563 * pa.c: Include ggc.h.
11564 (pa_add_gc_roots): New function.
11565 (mark_deferred_plabels): Likewise.
11566 (override_options): Call pa_add_gc_roots.
11567 * mips.c: Include ggc.h.
11568 (mips_add_gc_roots): New function.
11569 (override_options): Use it.
11571 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11573 * cpperror.c (cpp_file_line_for_message): Constify a char*.
11575 * cppexp.c (parse_number, parse_charconst, cpp_lex,
11576 cpp_parse_expr): Add static prototypes.
11577 (parse_charconst): Don't cast away const-ness.
11578 (token): Constify a char*.
11580 * cppfiles.c (file_name_list, include_hash, find_include_file,
11581 finclude, initialize_input_buffer): Constify a char*.
11582 (file_cleanup, find_position): Add static prototypes.
11584 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
11585 collect_expansion): Add static prototypes.
11586 (cpp_install, create_definition, monthnames): Constify a char*.
11588 * cpphash.h (cpp_install): Likewise.
11590 * cppinit.c (known_suffixes, default_include,
11591 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
11592 (base_name, dump_special_to_buffer, initialize_dependency_output):
11593 Add static prototypes.
11595 * cpplib.c (my_strerror): Constify a char*.
11596 (null_underflow, null_cleanup, skip_comment, copy_comment,
11597 copy_rest_of_line, handle_directive, pass_thru_directive,
11598 get_directive_token, read_line_number, cpp_print_file_and_line,
11599 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
11600 v_cpp_warning_with_line, detect_if_not_defined,
11601 consider_directive_while_skipping): Add static prototypes.
11602 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
11603 cpp_pedwarn_with_file_and_line): Constify a char*.
11605 * cpplib.h (cpp_options, include_hash, progname, definition,
11606 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
11607 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
11608 find_include_file, deps_output, include_hash): Constify a char*.
11610 * cppmain.c (progname): Constify.
11611 (main): Add prototype. Use return, not exit.
11613 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
11614 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
11615 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
11616 check_protection): Add static prototype.
11618 (progname, recognized_macrom, recognized_extern): Constify a char*.
11619 (main): Add prototype.
11621 * gen-protos.c (progname): Constify a char*.
11623 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
11625 * emit-rtl.c (free_emit_status): Take decl as a parameter.
11626 (init_emit_once): Add more GC roots.
11627 * except.c (mark_func_eh_entry): New function.
11628 (mark_eh_node): Mark false_label and rethrow_label.
11629 (init_eh): Add more GC roots.
11630 * function.c (free_after_compilation): Take decl as a paramter.
11631 Call free_stmt_status.
11632 (mark_function_state): Don't assume x_parm_reg_stack_loc is
11634 * function.h (free_after_compilation): Change prototype.
11635 (free_varasm_status): Likewise.
11636 (free_emit_status): Likewise.
11637 (free_stmt_status): New function.
11638 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
11639 Remove, replacing with ...
11640 (ggc_status): New structure.
11641 (ggc_chain): New variable.
11642 (init_gcc): Define.
11643 (ggc_push_context): New function.
11644 (ggc_pop_context): Likewise.
11645 (ggc_alloc_rtx): Adjust for use of ggc_chain.
11646 (ggc_alloc_rtvec): Likewise.
11647 (ggc_alloc_tree): Likewise.
11648 (ggc_alloc_string): Likewise.
11649 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
11650 (ggc_mark_tree): Give language-dependent code a chance to mark
11652 (ggc_mark_tree_varray): Handle empty arrays.
11653 (ggc_collect): Adjust for use of ggc_chain. Clear
11654 bytes_alloced_since_last_gc.
11655 * ggc.h (ggc_pop_context): New function.
11656 (ggc_push_context): Likewise.
11657 * print-tree.c (print_node): Don't print obstacks when GC'ing.
11658 * stmt.c (free_stmt_status): New function.
11659 (init_stmt_for_function): Clear last_expr_value.
11660 * toplev.c (rest_of_compilation): Always call free_after_compilation.
11661 Conditionalize call to ggc_collect.
11662 (main): Call init_ggc.
11663 * tree.c (push_obstacks): Do the push, even when GC'ing.
11664 (push_obstacks_nochange): Likewise.
11665 (pop_obstacks): Liekwise.
11666 * varasm.c (free_varasm_status): Take decl as a parameter.
11668 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
11670 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
11671 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
11672 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
11673 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
11675 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
11677 * pa/x-pa-mpeix: New file for the MPE port.
11679 * pa/quadlib.asm: New file for long double support.
11681 * configure.in: Add hppa1.0-*-mpeix for MPE port.
11682 * configure: Rebuilt.
11684 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
11686 * final.c (shorten_branches): Fix last change.
11688 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
11690 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
11692 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
11694 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
11697 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11699 * c-aux-info.c (concat): Don't define.
11701 * cccp.c (my_strerror): Likewise. All callers changed to use
11703 (do_include): Call xstrdup, not xmalloc/strcpy.
11704 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
11705 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
11707 * collect2.c (my_strsignal): Likewise. All callers changed to use
11709 (locatelib): Call xstrdup, not xmalloc/strcpy.
11711 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
11713 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
11715 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
11717 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
11719 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
11721 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
11723 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
11725 (find_all_handler_type_matches): Likewise. Don't check return
11727 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
11728 xmalloc, not malloc.
11729 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
11731 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
11732 (init_spec): Call xcalloc, not xmalloc/bzero.
11733 (set_spec): Call xstrdup, not save_string.
11734 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
11735 (find_a_file): Call xstrdup, not xmalloc/strcpy.
11736 (process_command): Call xstrdup, not save_string.
11737 (main): Call xcalloc, not xmalloc/bzero.
11739 * gcov.c (xmalloc): Don't define.
11740 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
11741 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
11742 (output_data): Call xcalloc, not xmalloc/bzero.
11744 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
11746 * mips-tdump.c (xmalloc): Don't define.
11747 (print_symbol): Call xmalloc, not malloc.
11748 (read_tfile): Call xcalloc, not calloc.
11750 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
11751 Don't define. All callers of xfree/my_strsignal changed to use
11752 free/strsignal instead.
11753 (allocate_cluster): Call xcalloc, not calloc.
11755 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
11756 Fix memory leak, free allocated memory.
11758 * prefix.c (translate_name): Call xstrdup, not save_string.
11759 (update_path): Likewise.
11761 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
11763 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
11764 Don't define. Callers of xfree/savestring2 changed to use
11765 free/concat instead.
11767 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
11768 (init_elim_table): Likewise.
11770 * resource.c (init_resource_info): Likewise.
11772 * stupid.c (stupid_life_analysis): Likewise.
11774 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
11775 (open_dump_file): Call concat, not xmalloc/strcpy/...
11776 (clean_dump_file): Likewise.
11777 (compile_file): Call xstrdup, not xmalloc/strcpy.
11779 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
11781 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
11782 * v850.c (v850_va_arg): New.
11784 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11786 * haifa-sched.c: Tidy comments.
11788 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11790 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
11791 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
11792 $(out_object_file)): Depend on ggc.h.
11793 * c-common.c: Include "ggc.h".
11794 (combine_strings): If doing GC, use ggc_alloc_string.
11795 * c-decl.c: Include "ggc.h".
11796 (ggc_p): Define with value 0.
11797 (mark_binding_level): New function.
11798 (init_decl_processing): Add GC roots.
11799 (mark_c_function_context): New function.
11800 (lang_mark_false_label_stack): New function.
11801 (lang_mark_tree): New function.
11802 (lang_cleanup_tree): New function.
11803 * c-lang.c: Include "ggc.h".
11804 (lang_init): Call c_parse_init.
11805 * c-lex.c: Include "ggc.h".
11806 (check_linenum): If doing GC, don't copy filenames to permanent
11808 * c-parse.in: Include "ggc.h".
11809 (c_parse_init): New function.
11810 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
11811 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
11813 * except.c (mark_eh_state): Mark more state.
11814 * function.c (mark_function_state): Likewise.
11815 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
11816 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
11817 * toplev.c (mark_file_stack): New function.
11818 (compile_file): If doing GC, use ggc_alloc_string on input filename.
11819 (main): Add root for input_file_stack.
11821 * i386.c: Include "ggc.h".
11822 (ix86_mark_machine_status): New function.
11823 (override_options): Set mark_machine_status.
11825 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11827 * tree.c (copy_node): Copy node contents also if doing GC.
11829 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11831 * collect2.c (scan_libraries): Fix double-thinko :-).
11833 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
11835 * collect2.c (scan_libraries): Fix thinko.
11837 * cse.c (delete_trivially_dead_insns): Do not skip the last
11838 insn if it is a real insn.
11840 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
11842 * Makefile.in (ggc-simple.o): Depend on hash.h.
11843 * ggc.h (ggc_add_tree_hash_table_root): Declare.
11844 (ggc_mark_tree_varray): Likewise.
11845 (ggc_mark_tree_hash_table): Likewise.
11846 * ggc-simple.c: Include hash.h.
11847 (ggc_mark_tree_hash_table_ptr): New function.
11848 (ggc_mark_tree_hash_table_entry): Likewise.
11849 (ggc_mark_tree_hash_table): Likewise.
11850 (ggc_add_tree_hash_table_root): Likewise.
11851 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
11852 rtx, when defining fields.
11854 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11856 * profile.c (output_func_start_profiler): Remove apparently
11857 nonsensical call to start_sequence.
11859 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
11861 * clipper/clipper.c (clipper_va_start): Fix typos.
11863 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
11864 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
11865 (spur_va_arg): New stub.
11867 * configure.in: Comment out pyramid.
11869 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
11871 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
11872 don't conflict with the bits that win32, cygwin, and dgux
11875 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
11876 Bernd Schmidt <bernds@cygnus.co.uk>
11878 * integrate.c (function_cannot_inline_p): Do not inline
11879 functions with forced labels.
11881 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
11882 Bernd Schmidt <bernds@cygnus.co.uk>
11883 Mark Mitchell <mark@codesourcery.com>
11885 * Makefile.in (ggc-simple.o): Depend on varray.h.
11886 (rtl.o): Depend on ggc.h.
11887 (genattrtab.o): Depend on ggc.h.
11888 (print-tree.o): Likewise.
11889 (fold-const.o): Likewise.
11890 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
11891 (make_insn_raw): Don't cache insns when GC'ing.
11892 (emit_insn_before): Likewise.
11893 (emit_insn_after): Likewise.
11894 (emit_insn): Likewise.
11895 (start_sequence): Use xmalloc to allocate the sequence_stack.
11896 (end_sequence): Add free to free it.
11897 (gen_sequence): Don't cache insns when GC'ing.
11898 (clear_emit_caches): Don't use sequence_element_free_list.
11899 (init_emit): Use xcalloc, not xmalloc+bzero.
11900 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
11901 * function.c (pop_function_context_from): Use free to free the
11902 fixup_var_refs_queue.
11903 (put_reg_into_stack): Allocate it with xmalloc.
11904 * genattrtab.c: Include ggc.h.
11905 (operate_exp): Don't use obstack_free when GC'ing.
11906 (simplify_cond): Likewise.
11907 (simplify_text_exp): Likewise.
11908 (optimize_attrs): Likewise.
11909 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
11911 (gencode): Generate a #include for ggc.h.
11912 * ggc-callbacks.c (ggc_p): Define it to zero.
11913 * ggc-none.c (ggc_p): Likewise.
11914 * ggc-simple.c: Include varray.h.
11915 (ggc_mark_tree_varray): New function.
11916 (ggc_add_tree_varray_root): Likewise.
11917 (ggc_mark_tree_varray_ptr): Likewise.
11918 * ggc.h (ggc_p): Declare.
11919 (varray_head_tag): Likewise.
11920 (ggc_add_tree_varray_root): Declare.
11921 * print-tree.c (print_node): Don't check for TREE_PERMANENT
11922 inconsistencies when GC'ing.
11923 * rtl.c: Include ggc.h.
11924 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
11925 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
11926 (rtx_free): Don't call obstack_free when GC'ing.
11927 * toplev.c (rest_of_compilation): Call ggc_collect after every
11929 * tree.c (push_obstacks): Do nothing, if GC'ing.
11930 (pop_obstacks_nochange): Likewise.
11931 (pop_obstacks): Likewise.
11932 (make_node): Use ggc_alloc_tree when GC'ing.
11933 (copy_node): Likewise.
11934 (get_identifier): Use ggc_alloc_string when GC'ing.
11935 (build_string): Likewise.
11936 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
11937 (tree_cons): Likewise.
11938 (build1): Likewise.
11939 (type_hash_canon): Don't call obstack_free when GC'ing.
11941 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
11943 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
11944 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
11946 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
11947 Bernd Schmidt <bernds@cygnus.co.uk>
11948 Mark Mitchell <mark@codesourcery.com>
11950 * Makefile.in (stor-layout.o): Depend on ggc.h.
11951 (expr.o): Depend on ggc.h.
11952 (profile.o): Depend on ggc.h.
11953 (stor-layout.o): Depend on ggc.h.
11954 * emit-rtl.c (init_emit_once): Add gc roots.
11955 * expr.c: Include ggc.h.
11956 (emit_block_move): Add gc roots.
11957 (clear_storage): Likewise.
11958 * expr.h (init_stor_layout_once): New function.
11959 * profile.c: Include ggc.h.
11960 (init_arc_profiler): profiler_label is a root.
11961 * scan.c (make_sstring_space): Trust xrealloc to function
11962 correctly with first parameter NULL.
11963 * stor-layout.c: Include ggc.h.
11964 (set_sizetype): Add gc root.
11965 (init_stor_layout_once): New function.
11966 * toplev.c (compile_file): Call it.
11968 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
11969 Bernd Schmidt <bernds@cygnus.co.uk>
11970 Mark Mitchell <mark@codesourcery.com>
11972 * Makefile.in (tree.o): Depend on ggc.h.
11973 (varasm.o): Likewise.
11974 (function.o): Likewise.
11975 (stmt.o): Likewise.
11976 (except.o): Likewise.
11977 (optabs.o): Likewise.
11978 (emit-rtl.o): Likewise.
11979 * emit-rtl.c: Include ggc.h.
11980 (sequence_element_free_list): Remove, and all references.
11981 (mark_sequence): New functions.
11982 (mark_emit_state): New function.
11983 * except.c: Include ggc.h.
11984 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
11985 (mark_tree_label_node): New functions.
11986 (mark_eh_state): New function.
11987 * function.c: Include ggc.h.
11988 (mark_temp_slot, mark_function_chain): New functions.
11989 (mark_function_state): New function.
11990 (init_function_once): New function.
11991 * function.h (init_function_once): New function.
11992 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
11993 * ggc.h (label_node): Declare.
11994 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
11995 (lang_mark_false_label_stack): New function.
11996 (mark_temp_slot): Remove declaration.
11997 (mark_function_chain): Likewise.
11998 (mark_eh_state): Adjust prototype.
11999 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12001 * optabs.c: Include ggc.h.
12002 (mark_optab): New function.
12003 (init_optabs): Add gc roots.
12004 * stmt.c: Include ggc.h.
12005 (mark_cond_nesting, mark_loop_nesting): New functions.
12006 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12007 (mark_stmt_state): New function.
12008 * toplev.c (compile_file): Call init_function_once.
12009 * tree.c: Include ggc.h.
12010 (type_hash): Move declaration earlier in file.
12011 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12012 (init_obstacks): Add gc roots.
12013 (mark_type_hash): New function.
12014 * varasm.c: Include ggc.h.
12015 (mark_pool_constant): New function.
12016 (mark_varasm_state): New function.
12018 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12020 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12022 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12024 * c-decl.c (struct language_function): Renamed from struct c_function.
12026 (c_function_chain): Delete.
12027 (push_c_function_context): New arg F. Don't warn about nested
12028 functions here. Fill LANGUAGE elt of F. Delete code to update
12029 c_function_chain. Don't call push_function_context.
12030 (pop_c_function_context): New arg F. Restore from there instead of
12031 from c_function_chain. Don't call pop_function_context. Clear out
12032 LANGUAGE field of F when done.
12033 * c-lang.c: Include "function.h"
12034 (lang_init): Initialize save_lang_status and restore_lang_status.
12035 * c-parse.in (nested_function, nested_function_notype): Warn about
12036 nested functions. Call push_function_context/pop_function_context
12037 instead of the _c_ variants.
12038 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12040 * Makefile.in (c-lang.o): Update dependencies.
12042 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12043 regno_pointer_flag, regno_pointer_align.
12044 (gen_reg_rtx): Use xrealloc to enlarge them.
12045 (free_emit_status): New function.
12046 * function.c (mark_machine_status, mark_lang_status): New variables.
12047 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12048 in some bits from assign_stack_local. All callers changed to use new
12050 (assign_stack_local): Just call assign_stack_local_1.
12051 (free_after_compilation): New function.
12052 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12053 (trampoline_address): Likewise.
12054 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12055 (prepare_function_start): Explicitly clear some more variables.
12056 * function.h (struct function): New elt can_garbage_collect.
12057 (mark_machine_status, mark_lang_status): Declare variables.
12058 (free_after_compilation, free_emit_status, free_varasm_status,
12059 init_varasm_status): Declare functions.
12060 * toplev.c (rest_of_compilation): Call free_after_compilation when
12061 done with the current function.
12062 * varasm.c (free_varasm_status): New function.
12064 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12066 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12067 (EXPAND_BUILTIN_VA_ARG): Define.
12068 * sparc.c (sparc_va_start): New.
12069 (sparc_va_arg): New.
12071 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12073 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12075 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12077 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12079 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12081 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12082 (OBJS): Add $(GGC).
12083 (ggc-callbacks.o): New target.
12084 * ggc-callbacks.c: New file.
12086 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12088 * expr.h: Collapse individual optab and libfunc vars to arrays.
12089 (optab_index, libfunc_index): New enumerations.
12090 (optab_table, libfunc_table): New arrays.
12091 Add accessor macros for both.
12093 * optabs.c (optab_table, libfunc_table): New.
12094 Delete declarations for individual optab and libfunc vars.
12096 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12098 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12100 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12102 * Makefile.in (GGC, GGC_LIB): New.
12103 (HOST_RTL): Include ggc-none.o.
12104 (ggc-simple.o): New target.
12105 (ggc-none.o): Likewise.
12106 * tree.h (tree_common): Add gc_mark.
12107 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12108 (struct rtvec_def): Add gc_mark.
12109 * emit-rtl.c (global_rtl): Update static initializers to contain
12110 enough initializers.
12111 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12112 * toplev.c (gc_time): New variable.
12113 (all_time): New variable.
12114 (compile_file): Print gc time.
12115 (print_time): Calculate percentage of the whole.
12117 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12119 Change obstack memory management and varasm constant pool handling so
12120 that nested functions are treated like any other functions.
12121 * function.c (init_machine_status): New variable.
12122 (push_function_context_to): Set contains_functions for the outer
12123 function. Don't call save_varasm_status.
12124 (pop_function_context_from): Don't call restore_varasm_status. Don't
12125 set current_function_contains_functions.
12126 (prepare_function_start): Call init_varasm_status rather than
12127 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12129 * function.h (struct function) Add field varasm. Delete fields
12130 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12131 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12132 (init_machine_status): Declare.
12133 (save_varasm_status, restore_varasm_status): Delete declarations.
12134 (save_tree_status, restore_tree_status): Delete last argument.
12135 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12136 code. All callers changed.
12137 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12138 save_constants_in_decl_trees, restore_constants, save_constants,
12139 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12141 (inlining): New variable.
12142 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12143 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12145 (save_for_inline_nocopy): Don't save constants.
12146 Don't set inl_emit field in current_function.
12147 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12148 function. Set new variable inlining before
12149 calling copy_rtx_and_substitute.
12150 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12151 constant pool references if inlining is nonzero.
12152 Delete ADDRESS and (most of the) CONST cases.
12153 (output_inline_function): Save and restore current_function/
12154 current_function_decl. Delete restore_constants code. Don't call
12155 init_const_rtx_hash_table.
12156 * output.h (init_const_rtx_hash_table): Don't declare.
12157 * rtl.h (struct function): Declare.
12158 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12159 * toplev.c (rest_of_compilation): Don't treat nested functions or
12160 functions containing them specially. Delete all code to deal with
12161 save_for_inline_copying.
12162 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12163 inline_obstacks): Delete variables.
12164 (save_tree_status): Lose arg CONTEXT. All callers changed.
12165 Simply allocate a new function_maybepermanent_obstack for the new
12166 function, delete all the special cases.
12167 Don't save inline_obstacks.
12168 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12169 Delete special handling for function_maybepermanent_obstack; simply
12171 Don't restore inline_obstacks.
12172 (permanent_allocation): Delete code that frees inline_obstacks.
12173 (print_inline_obstack_statistics): Delete function.
12174 (dump_tree_statistics): Don't call it.
12175 * varasm.c (struct varasm_status): New.
12176 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12177 last_pool, pool_offset, const_double_chain): Delete global
12178 variables, replace with accessor macros.
12179 (immed_double_const): Don't walk const_double_chain outside a
12180 function, but don't treat nested functions specially anymore.
12181 (immed_real_const_1): Likewise.
12182 (clear_const_double_mem): Don't treat nested functions specially.
12183 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12184 (save_varasm_status, restore_varasm_status): Delete functions.
12185 (init_varasm_status): New function.
12186 (force_const_mem): Don't treat nested functions specially.
12187 (find_pool_constant): Accept new arg F, search for constants in
12188 that function's pool rather than the current one. All callers
12190 (get_pool_constant_for_function, get_pool_mode_for_function): New
12193 * i386.c (init_386_machine_status): New function, mostly from
12194 clear_386_stack_locals.
12195 (struct machine_functions): Rename element names to avoid name
12197 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12198 macros, replacing global variables.
12199 (clear_386_stack_locals, save_386_machine_status,
12200 restore_386_machine_status): Delete functions.
12201 (override_options): Initialize init_machine_status.
12202 * i386.h (INIT_EXPANDERS): Delete macro.
12203 (save_386_machine_status, restore_386_machine_status,
12204 clear_386_stack_locals): Delete declarations.
12206 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12208 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12209 (doloop_begin): Simplify pattern and use emit_jump_insn.
12210 (doloop_end): Simplify pattern, switch operand order,
12211 and use emit_jump_insn.
12213 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12215 * function.h (struct function): Add new element LANGUAGE.
12216 (save_lang_status): Declare new variable.
12217 (restore_lang_status): Likewise.
12218 * function.c (save_lang_status): Define.
12219 (restore_lang_status): Likewise.
12220 (push_function_context_to): Call language-specific save function.
12221 (pop_function_context_from): Call language-specific restore function.
12223 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12225 * i386.md (movsf_1): Check REG_P before use of REGNO.
12226 (movdf_1): Likewise.
12227 (movxf_1): Likewise.
12228 (extendsfdf2): Likewise.
12229 (extendsfxf2): Likewise.
12230 (extenddfxf2): Likewise.
12232 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12234 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12235 constants into memory.
12236 (c4x_shiftable_constant): New function.
12237 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12238 (c4x_shiftable_constant): Declare.
12239 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12240 ashlqi3_noclobber): Add new patterns and associated splitters.
12242 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12244 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12245 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12246 * final.c (shorten_branches): Likewise.
12247 * global.c (global_alloc): Likewise.
12248 * haifa-sched.c (build_control_flow): Likewise.
12249 * stmt.c (check_for_full_enumeration_handling): Likewise.
12250 (estimate_case_costs): Likewise.
12252 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12254 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12256 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12258 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12259 (recompute_reg_usage): Likewise.
12260 * rtlanal.c (find_regno_fusage): Likewise.
12262 * rtl.c (rtl_check_failed_code1): New function.
12263 (rtl_check_failed_code2): New.
12264 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12265 (RTL_CHECKC1, RTL_CHECKC2): New.
12266 (XC*): New accessor macros.
12267 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12268 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12269 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12270 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12271 (TRAP_*, RANGE_INFO_*): Likewise.
12273 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12275 * Makefile.in (tlink.o): Don't depend on toplev.h.
12277 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12278 output_file, nm_file_name, ldd_file_name, strip_file_name,
12279 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12280 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12281 fork_execute, maybe_unlink, add_to_list,
12282 extract_init_priority, write_list, dump_list,
12283 dump_prefix_list, write_list_with_asm, write_c_file,
12284 write_c_file_stat, write_c_file_glob, scan_prog_file,
12285 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12286 ignore_library, extract_string, notice, dump_file, target_machine,
12287 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12288 read_file, print_load_command): Constify a char*.
12289 (fdopen, error, fatal, fatal_perror): Don't prototype.
12290 (my_strerror): Remove. All callers use xstrerror instead.
12291 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12292 (main): Add prototype. Constify lots of char* ptrs. Change calls
12293 to xcalloc/strcpy/strcat/... to one call to concat.
12294 (main, scan_prog_file, scan_libraries): Use an intermediate
12295 `const char **' to build an argv array.
12296 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12298 * collect2.h (collect_execute, collect_wait, dump_file,
12299 file_exists): Constify a char*.
12300 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12301 temporary_firstobj, vflag, debug): Add extern declarations.
12302 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12304 * tlink.c: Don't include toplev.h.
12305 (vflag, debug, ldout, c_file_name, temporary_obstack,
12306 permanent_obstack, temporary_firstobj): Don't declare.
12307 (tlink_execute, frob_extension, symbol_hash_lookup,
12308 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12309 recompile_files, read_repo_files, demangle_new_symbols,
12310 scan_linker_output): Constify a char*.
12311 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12312 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12314 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12316 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12317 (relative) rather than jsr (absolute) subroutine call insns.
12318 * config/m68k/m68k-coff.h: Ditto.
12320 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12322 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12323 now rework these too.
12324 (arm_reorg): If an insn can't reach the end of the current pool,
12325 ensure that we emit that pool before the insn.
12327 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12329 * tlink.c (scan_linker_output): Skip the initial underscore in
12330 a mangled name if appropriate.
12332 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12334 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12335 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12336 error_with_ivar, gen_declarator, create_builtin_decl,
12337 my_build_string, generate_descriptor_table, generate_ivars_list,
12338 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12339 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12340 dump_base_name, lang_decode_option, build_encode_expr,
12341 start_class, finish_class, encode_pointer, really_start_method,
12342 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12344 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12345 Add static prototypes.
12346 (build_objc_string_decl, build_selector_reference_decl,
12347 encode_bitfield, build_class_reference_decl): Remove unused
12348 parameter, all callers changed.
12349 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12350 (objc_printable_name): Likewise. Change second parameter to type int.
12351 (init_objc): Use memcpy, not bcopy, to avoid casts.
12353 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12355 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12356 reg notes on a deleted insn.
12357 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12359 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12361 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12363 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12365 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12368 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12370 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12371 * tm.texi (MD_ASM_CLOBBERS): Document it.
12373 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12375 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12376 * except.c (expand_rethrow): Remove unused variable.
12377 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12378 * flow.c (replace_insns): Likewise.
12379 (create_edge_list, verify_edge_list): Likewise.
12380 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12382 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12383 is special code to run.
12384 (main): Don't define operands to emit_operand.
12385 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12387 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12389 * alpha/alpha.h (normal_memory_operand): Declare.
12390 (reg_no_subreg_operand): Declare.
12391 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12393 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12395 * c-parse.in (compstmt_primary_start): New, broken out of first
12396 part of compstmt handling in primary.
12397 (primary): Use it. Add an error clause.
12398 (compstmt_nostart): Renamed from compstmt; remove all
12399 initial invocations of compstmt_start.
12402 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12404 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12407 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12409 * combine.c (simplify_shift_const): Remove extra semicolon.
12410 * dwarf2out.c (remove_AT): Likewise.
12411 * expmed.c (expand_mult): Likewise.
12412 * gcov.c (create_program_flow_graph): Likewise.
12413 * reorg.c (mostly_true_jump): Likewise.
12415 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12417 * fold-const.c (fold_range_test): Do not try to fold the range
12418 test if the rhs or lhs has side effects.
12420 * combine.c (simplify_rtx): Recognize another case of a synthesized
12423 * varasm.c (mark_constant_pool): When marking indirect references,
12424 only look at SYMBOL_REFs.
12426 * except.c (expand_fixup_region_end): Do not peek at
12427 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12429 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12431 * flags.h: New variables align_loops, align_loops_log,
12432 align_jumps, align_jumps_log, align_labels, align_labels_log,
12433 align_functions, align_functions_log.
12434 * toplev.c: Define them.
12435 (f_options): Handle -falign-* when they have no argument.
12436 (main): Add logic to set variables for -falign-functions,
12437 -falign-jumps, -falign-labels, -falign-loops.
12438 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12439 (display_help): Change help to match options.
12440 * final.c (LABEL_ALIGN): Default to align_labels_log.
12441 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12442 (LOOP_ALIGN): Default to align_loops_log.
12443 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12444 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12445 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12446 * varasm.c (assemble_start_function): Handle align_functions.
12448 * config/sparc/sparc.h: Don't declare sparc_align_*.
12449 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12450 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12452 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12454 * config/sparc/sparc.c: Delete sparc_align_loops,
12455 sparc_align_jumps, sparc_align_funcs and the corresponding string
12457 (sparc_override_options): Default align_functions on ultrasparc.
12458 Delete -malign-* handling.
12460 * config/mips/mips.c (override_options): On 64-bit targets,
12461 try to align code to 64-bit boundaries.
12462 (print_operand): New substitution, %~,
12463 which aligns labels to align_labels_log.
12464 * config/mips/mips.md (div_trap_normal): Use %~.
12465 (div_trap_mips16): Likewise.
12467 (absdi2): Likewise.
12468 (ffssi2): Likewise.
12469 (ffsdi2): Likewise.
12470 (ashldi3_internal): Likewise.
12471 (ashrdi3_internal): Likewise.
12472 (lshrdi3_internal): Likewise.
12473 (casesi_internal): Likewise.
12475 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
12477 Merge new ia32 backend from the branch!
12479 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
12480 See ChangeLog.P2 on new_ia32_branch for details.
12482 * rtl.h (stack_regs_mentioned_p): Delete prototype.
12483 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
12484 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12485 * i386/gas.h (ASM_FILE_START): Define.
12486 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
12487 for name change of ix86_valid_decl_attribute_p.
12488 (i386_pe_valid_type_attribute_p): Similarly.
12490 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
12492 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
12493 to step through CC modes.
12495 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12497 * regmove.c (fixup_match_1): Don't move INSN in front of P if
12498 it would end up in the shadow of a live flags regsiter.
12500 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12502 * reload1.c: Fix many indentation problems.
12503 * reload.c: Likewise.
12505 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
12507 * alias.c (non_local_reference_p): Constify fmt.
12509 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
12511 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
12513 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
12515 * cse.c (delete_trivially_dead_insns): Do not delete stores to
12516 the internal_arg_pointer.
12518 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
12520 Merge peephole2 from new_ia32_branch:
12521 * Makefile.in (STAGESTUFF): Add *.peephole2.
12522 (mostlyclean): Likewise.
12523 (recog.o): Depend on resource.h.
12525 * final.c (peephole): Conditionalize decl on HAVE_peephole.
12526 (final_scan_insn): Likewise for the invocation of peephole.
12527 * genconfig.c (main): Look for peephole and peephole2 patterns.
12528 Emit HAVE_peephole* accordingly.
12529 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
12530 * flags.h (flag_peephole2): Declare.
12531 * toplev.c: New pass peephole2. New flag -fpeephole2.
12533 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
12534 * gencodes.c (main): Likewise.
12535 * genextract.c (main): Likewise.
12536 * genoutput.c (main): Likewise.
12537 * genemit.c (max_operand_1): Look for the max scratch operand.
12538 (gen_rtx_scratch): New.
12539 (gen_exp): Use it, and pass on new arg subroutine_type.
12540 (gen_expand): Take max scratch into account.
12541 (gen_split): Emit peephole2 functions.
12542 (output_peephole2_scratch): New.
12543 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
12544 * genrecog.c (routine_type): Add PEEPHOLE2.
12546 (make_insn_sequence): Match outer parallel for peep2. Discard
12547 top level scratches and dups.
12548 (add_to_sequence): New args insn_type and top. Update all callers.
12549 Handle toplevel peep2 matching insns.
12550 (write_subroutine): Handle peep2.
12551 (write_tree_1): Likewise.
12552 (write_tree): Likewise.
12554 (change_state): New arg afterward. Update all callers.
12555 Handle matching separate insns.
12556 * recog.c (recog_next_insn): New.
12557 (peephole2_optimize): New.
12558 * rtl.def (DEFINE_PEEPHOLE2): New.
12559 * resource.c (find_free_register): New argument last_insn. Use it
12560 to find a register available through the entire span.
12561 * resource.h (find_free_register): Update prototype.
12563 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
12565 * i386.c (output_strlen_unroll): Don't write xops[7]
12566 label if it wasn't set.
12568 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
12570 * cpplib.c (struct directive): Const-ify name pointer and
12571 function pointer prototype.
12572 (validate_else, do_define, do_line, do_include, do_undef,
12573 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
12574 do_elif, do_endif, do_sccs, do_assert, do_unassert,
12575 do_warning): Const-ify second arg.
12576 (directive_table): Mark const. Reorder entries by frequency
12577 of usage, record statistics.
12579 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
12581 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
12582 bounds- check RTL accesses if --enable-checking.
12583 (RTVEC_ELT): Bounds check if --enable-checking.
12584 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
12585 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
12586 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
12588 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
12589 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
12591 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
12592 (NOTE_SOURCE_FILE): Use X0STR.
12593 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
12594 MEM_ALIAS_SET): Use X0INT.
12595 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
12596 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
12598 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
12599 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
12600 (rtl_check_failed_bounds, rtl_check_failed_type1,
12601 rtl_check_failed_type2, rtvec_check_failed_bounds): New
12603 (fancy_abort): Fix comment.
12605 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
12606 (cse_insn): Decrement LABEL_NUSES for jump target before
12607 deleting jump insn.
12608 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
12609 * final.c (alter_subreg): Compute regno before changing x to
12610 REG; set REGNO(x) after changing it.
12611 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
12612 notes containing CONST_INTs.
12613 (delete_eh_regions): Use NOTE_EH_HANDLER.
12614 * function.c (put_reg_into_stack): Make reg a MEM before
12616 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
12618 (gen_mem_addressof): Make reg a MEM before initializing it.
12619 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
12621 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
12622 deleting an insn, not after.
12623 (block_alloc): Only look at PATTERN(insn) if we have to, and
12624 only if it's format class 'i'.
12625 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
12626 CONST_INT before using its INTVAL.
12627 * print-rtl.c (print_rtx): Use X0STR.
12628 * regmove.c (fixup_match_1): Don't look at PATTERN of
12629 non-class-'i' insn chain elements.
12630 * reload.c (loc_mentioned_in_p): Take address of
12631 in->fld[1].rtx directly.
12632 * reload1.c (reload): Change reg to a MEM before initializing
12634 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
12636 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
12638 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
12640 * config/mips/mips.c (machine_dependent_reorg): Force a
12641 barrier to output the local constant pool if a barrier hasn't
12642 been found at a natural point in the instruction stream.
12644 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12646 * c-parse.in (language_string): Constify.
12648 * dwarf2out.c (language_string): Remove declaration.
12650 * dwarfout.c (language_string): Likewise.
12652 * toplev.c (language_string, init_parse, finish_parse): Likewise.
12654 * tree.h (language_string, init_parse, finish_parse): Declare.
12656 * i386/sun386.h (language_string): Remove declaration.
12658 * mips.h (language_string): Likewise.
12660 * nextstep.h (language_string): Likewise.
12662 * nextstep21.h (language_string): Likewise.
12664 * rs6000.c (language_string): Likewise.
12666 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12668 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
12669 (getpwd.o): Remove target.
12671 * getpwd.c: Delete file. Its in libiberty now.
12673 * dbxout.c (getpwd): Don't prototype.
12674 * dwarf2out.c (getpwd): Likewise
12675 * dwarfout.c (getpwd): Likewise
12676 * final.c (getpwd): Likewise.
12677 * protoize.c (getpwd): Likewise.
12679 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12681 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
12683 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12685 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
12686 mark_set_resources.
12688 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
12690 * fixinc/Makefile.in (subdir): New.
12691 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
12694 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
12696 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
12697 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
12700 * invoke.texi: Fix typo.
12702 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
12703 changed. Handle autoincrement addressing modes.
12705 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
12706 just like we would the virtual incoming args register when
12709 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
12711 * rs6000.h (ASM_FILE_START): Specify complete filename, including
12712 path, in .file directive.
12714 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
12716 * gcc.texi (External Bugs): Remove obsolete note about Perl on
12719 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
12721 * stdbool.h: Make the typedef name _Bool, with bool a #defined
12724 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12726 * tree.c (tree_code_name): Constify a char*.
12728 * tree.h (tree_code_name, decl_printable_name): Likewise.
12730 * function.h (struct function): Likewise.
12732 * toplev.c (decl_name, decl_printable_name): Likewise.
12734 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
12736 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
12737 (init_objc): Remove function pointer cast.
12739 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
12741 * pa.md (interspace_jump): New pattern.
12742 (builtin_longjmp): New expander.
12744 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
12746 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
12747 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
12748 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
12750 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
12752 * jump.c (delete_prior_computation): Also check calls
12753 to constant functions. Don't bother checking for a
12754 REG_UNUSED note before adding it.
12755 (delete_computation): Handle multi-word hard registers
12756 when synthesizing missing REG_DEAD notes for a register
12757 which is both set and used by an insn.
12759 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12761 * loop.c (this_loop_info): New variable.
12762 (loop_has_call, loop_has_volatile, loop_has_tablejump,
12763 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
12765 (prescan_loop, strength_reduce): New argument loop_info. All callers
12767 (scan_loop): New variable loop_info, initialise to address of
12769 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
12770 Delete variable loop_has_multiple_exit targets and replace with
12771 field in this_loop_info.
12772 (find_and_verify_loops): Rename this_loop to this_loop_num.
12773 (strength_reduce): Delete loop_iteration_info. Replace variable
12774 loop_info with function argument of same name.
12775 (insert_bct): Rework test for loop being completely unrolled.
12777 * loop.h (struct loop_info): New fields num, loops_enclosed,
12778 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
12779 has_indirect_jump, and cont. Redefine use of unroll_number.
12780 (loop_unroll_number): Delete.
12782 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
12783 field of loop_info.
12784 (loop_iterations): Delete variable vtop and instead use
12785 loop_info->vtop computed in prescan_loop.
12787 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
12789 * fix-header.c (main): Do not pass a null pointer to strcmp.
12791 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
12793 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
12795 * configure: Rebuilt.
12797 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
12799 * jump.c (jump_optimize_1): Do not delete assignments to
12800 internal_arg_pointer.
12801 * cse.c (delete_trivially_dead_insns): Always consider a set of
12802 the internal_arg_pointer live.
12804 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
12806 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
12807 (update_life_info) [REG_WAS_0]: Search the original insns rather
12808 than the new insns for the note. Fix typos finding note_dest.
12809 If no dest found, discard the note rather than abort.
12810 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
12811 (replace_insns): Remove the old insn list after update_life_info
12814 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
12816 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
12817 sched_analyze_insn.
12818 (sched_analyze_1): Let add_dependence care for not adding dups.
12819 (sched_analyze_2): Likewise.
12820 (add_branch_dependences): Likewise.
12822 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
12824 * i386/winnt.c (export_list): New type.
12825 (exports_head): Rename to
12826 (export_head): this.
12827 (i386_pe_record_exported_symbol): Add is_data flag.
12828 (i386_pe_asm_file_end): Emit directive for exported variables.
12829 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
12831 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
12832 (ASM_DECLARE_OBJECT_NAME): Likewise.
12833 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12834 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
12836 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
12838 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
12840 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
12843 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
12845 * config/openbsd.h: Define SET_ASM_OP.
12846 * tm.texi: cross-reference SET_ASM_OP in the index.
12848 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
12850 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
12851 for a CONST_DOUBLE, at compile time. Initialize rtx_length
12852 and class_narrowest_mode at compile time. Kill init_rtl.
12853 Mark rtx_length, mode_class, mode_size, mode_unit_size,
12854 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
12855 rtx_format as const. Kill all references to EXTRA_CC_MODES or
12857 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
12859 * rtl.h: Declare rtx_length and rtx_format as const.
12860 * machmode.def: Define CC(). Use CC() to define CCmode. If
12861 EXTRA_CC_MODES is defined, expand it here.
12862 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
12863 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
12864 const. Kill all references to EXTRA_CC_MODES.
12866 * toplev.c: Don't prototype or call init_rtl.
12867 * optabs.c: Don't call init_mov_optab.
12868 * genemit.c: Don't generate init_mov_optab. Don't call
12870 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
12872 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
12873 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
12874 genrecog.c: Don't call init_rtl.
12876 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
12877 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
12878 definition of EXTRA_CC_MODES.
12880 * md.texi: Kill ref to EXTRA_CC_NAMES.
12881 * tm.texi: Document new way to define EXTRA_CC_MODES.
12883 * genrecog.c: Do not look up the name of a define_split.
12884 (Unrelated bugfix.)
12886 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
12888 * config/v850/v850.md: Fix typo introduced by previous delta.
12890 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12892 * gcc.c (fatal): Make definition static to match prototype.
12894 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12896 * combine.c (get_last_value): Don't look for earlier sets if the last
12897 known set is somewhere in between the insns being combined.
12899 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
12901 * configure.in: Don't use shell ! to negate exit codes
12902 * configure: Regenerate
12904 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
12906 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
12907 the fact that ALIGN is measured in bits, not bytes.
12909 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
12911 * errors.c: New file; defines functions error, warning, and
12912 fatal, variables have_error and progname.
12913 * errors.h: New file; prototypes and decls for stuff in errors.c.
12915 * Makefile: Add rules to build errors.o and
12916 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
12917 genopinit, genrecog, genextract, genpeep, genattr, and
12918 genoutput with errors.o. Add errors.h to deps of genconfig.o,
12919 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
12920 genpeep.o, genattr.o, and genoutput.o.
12922 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
12923 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
12924 define or prototype fatal. Set progname at beginning of main.
12925 * genoutput.c: Likewise, and don't define or prototype error
12928 * c-typeck.c (c_expand_start_case): Return immediately if exp
12930 * fold-const.c (operand_equal_p): Return immediately if arg1
12931 or arg0 are ERROR_MARKs.
12932 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
12933 fields of type ERROR_MARK when calculating if the record can
12936 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
12937 with much help from Jeffrey A Law and Richard Henderson
12939 * i386.md: In the 6 insns which call output_fix_trunc,
12940 earlyclobber operands[0].
12942 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
12944 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
12945 creating new registers.
12947 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
12949 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
12950 i386_reg_alloc_order, i386_regparm_string,
12951 i386_align_loops_string, i386_align_jumps_string,
12952 i386_align_funcs_string, i386_preferred_stack_boundary_string,
12953 and i386_branch_cost_string as type "const char *".
12954 * i386.c: Define all above strings as type "const char *".
12956 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
12958 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
12959 when emitting alignment padding. Emit padding byte of 0 instead of 4.
12961 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
12963 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
12964 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
12966 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
12968 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
12969 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
12970 (dwarf2out_line, dwarf2out_finish): Likewise.
12971 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
12973 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
12975 * tree.c (lang_unsave_expr_now) : Correct return type.
12976 * tree.h (lang_unsave_expr_now) : Same.
12978 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
12980 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
12981 instead of duplicating code.
12983 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12985 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
12987 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
12989 * tree.h: fancy_abort always takes three args.
12990 * resource.c: Move include of system.h before toplev.h.
12992 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
12994 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
12997 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
12999 * system.h: Don't redefine abort or trim_filename.
13000 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13001 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13002 whether or not __FUNCTION__ is available.
13003 * tree.h: Duplicate rtl.h's definition of abort, for files
13004 that don't include rtl.h. Delete all code to perform type
13005 checking with a compiler other than GCC.
13006 * varray.h: Delete all code to perform type checking with a
13007 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13008 its arguments exactly once, using a statement expression.
13009 Adjust the VARRAY_<type> accessor macros to match.
13010 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13011 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13012 caller's location. Define fatal_insn and fatal_insn_not_found
13013 as macros that use _fatal_insn and _fatal_insn_not_found.
13014 (fancy_abort, trim_filename): Kill prototypes.
13016 * rtl.c (trim_filename): Move here from toplev.c.
13017 (fancy_abort): New function.
13018 (DIR_SEPARATOR): Provide default definition.
13019 * tree.c (tree_check_failed, tree_class_check_failed): Go
13020 through fancy_abort.
13021 (tree_check, tree_class_check, cst_or_constructor_check,
13022 expr_check): Delete.
13023 * varray.c (varray_check_failed): New function.
13024 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13025 _fatal_insn and _fatal_insn_not_found. Go through
13027 (trim_filename, fancy_abort): Delete.
13029 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13030 * except.c (start_catch_handler): Report ICE with error/abort
13032 * final.c (output_operand_lossage): Likewise.
13033 * flow.c (verify_flow_info): Likewise.
13035 * gcc.c: Prototype fatal.
13036 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13037 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13038 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13039 Don't define fancy_abort.
13041 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13043 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13046 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13048 * m88k.h (VERSION_INFO2): Kill.
13049 (VERSION_STRING): Kill.
13051 (VERSION_INFO1): Tidy.
13052 (TARGET_VERSION): Update.
13053 * m88k/dgux.h (VERSION_INFO2): Kill.
13054 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13055 * m88k/luna.h (VERSION_INFO1): Tidy.
13056 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13057 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13058 (output_file_start): Adjust for death of VERSION_STRING.
13060 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13062 * cpplib.c (detect_if_not_defined): New function.
13063 (do_if): Use it to detect potential once-only headers.
13065 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13067 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13069 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13071 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13072 anywere in the function only if they are pseudos and set before
13073 being used (not live at the start of the function).
13074 (num_sign_bit_copies) : Same.
13075 (get_last_value_validate) : Same.
13076 (get_last_value) : Same.
13078 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13080 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13081 where N and M are constant and N is an integer multiple of M.
13083 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13085 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13086 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13087 sbitmap_union_of_preds): Add prototypes.
13088 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13089 the intersection of successors with the new flow graph structures.
13090 (sbitmap_intersection_of_preds): New function to compute the
13091 intersection of predecessors with the new flow graph structures.
13092 (sbitmap_union_of_succs): New function to compute the union of
13093 successors with the new flow graph structures.
13094 (sbitmap_union_of_preds): New function to compute the union of
13095 predecessors with the new flow graph structures.
13096 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13097 (expr_reaches_here_p): Use edge and basic_block structures instead
13098 of s_preds and s_succs.
13099 (compute_cprop_avinout): Use new sbitmap routines.
13100 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13101 of s_preds and s_succs.
13102 * flow.c (compute_flow_dominators): Compute dominators using
13103 edges and basic blocks instead of s_preds and s_succs.
13105 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13107 * lists.c (unused_insn_list, unused_expr_list): New file for
13108 maintaining various types of lists. New statics for maintaining a
13109 cache of available INSN_LIST and EXPR_LIST nodes.
13110 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13111 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13112 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13113 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13114 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13115 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13116 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13117 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13118 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13119 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13120 (remove_dependence, free_pending_lists): Use new global routines.
13121 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13122 (sched_analyze, compute_block_backward_dependences): Use new routines.
13123 (sched_analyze_1, sched_analyze_2): Use new routines.
13124 (schedule_insns): Use new global routines.
13125 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13127 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13128 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13130 * toplev.c (rest_of_compilation): Initialize node cache.
13131 * Makefile.in (OBJS): Add lists.o to list of object files.
13132 (lists.o): Add dependancies.
13134 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13136 * config/v850/v850.md: Fix compile time warning messages.
13137 * config/v850/v850.c: Fix compile time warning messages.
13138 * config/v850/v850.h: Fix compile time warning messages.
13140 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13142 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13143 Remove unused prototype for `init_lengths'.
13145 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13147 * calls.c (emit_call_1): Mark parameter `stack_size' with
13149 (expand_call): Initialize variable `insn'.
13150 (emit_library_call): Likewise for variable `high_to_save'.
13151 (emit_library_call_value): Likewise.
13152 (store_one_arg): Likewise for variables `lower_bound' and
13155 * combine.c (try_combine): Likewise for variables `i2_code_number'
13156 and `other_code_number'.
13157 (find_split_point): Likewise for variables `pos', `unsignedp' and
13159 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13160 (simplify_and_const_int): Remove unused variable `width'.
13161 (merge_outer_ops): Likewise.
13163 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13164 HOST_WIDE_INT' when comparing against one.
13165 (simplify_relational_operation): Likewise.
13166 (cse_insn): Initialize variables `src_eqv_volatile',
13167 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13169 * final.c (init_final): Constify parameter `filename'.
13170 (final_start_function): Mark parameter `optimize' with
13172 (profile_function): Likewise for parameters `first' and `optimize'.
13173 (output_source_line): Likewise for parameter `file'.
13175 * integrate.c (subst_constants): Cast a value to `size_t' when
13176 comparing against one.
13177 (mark_stores): Initialize variable `mode'. Cast a value to
13178 `size_t' when comparing against one.
13180 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13182 * loop.c (move_movables): Initialize variable `first'.
13183 (strength_reduce): Likewise for variable `increment'.
13184 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13185 value to `size_t' when comparing against one.
13186 (load_mems): Initialize variable `end_label'.
13188 * output.h (init_final): Constify parameter.
13190 * reload.c (decompose): Initialize variable `base'.
13192 * reload1.c (reload): Likewise for variable `is_scalar'.
13193 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13194 (choose_reload_regs): Initialize variable `mode'.
13195 (emit_reload_insns): Likewise for variable `store_insn'.
13196 (reload_cse_noop_set_p): Mark parameter `insn' with
13198 (reload_combine): Initialize variable `set'.
13200 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13201 (copy_loop_body): Cast a value to `size_t' when comparing against
13204 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13205 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13206 (remove_from_pending_weak_list): Mark parameter `name' with
13209 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13211 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13214 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13216 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13217 (ASM_DECLARE_FUNCTION_NAME): Define.
13218 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13219 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13220 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13221 not already defined.
13223 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13225 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13226 of n_popped when call/call_value are not defined.
13228 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13230 * tm.texi: GNU CC -> GCC conversion.
13231 (CC1_SPEC): Indicate it is used for all language front ends.
13233 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13235 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13236 NOTE_INSN_EH_REGION_END correctly.
13238 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13239 Jeff Law <law@cygnus.com>
13241 * loop.c (strength_reduce): Automatically unroll loops if the
13242 unrolled loop size is smaller than the rolled loop size.
13244 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13245 and delete comment that code should be rewritten.
13247 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13249 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13252 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13254 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13256 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13257 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13258 (LINK_SPEC): Add -u _main when building executables.
13259 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13260 (ASM_FILE_END): Use the default for ix86-pe.
13261 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13263 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13265 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13266 and ASM_CLOSE_PAREN are empty strings.
13268 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13269 Geoffrey Keating <geoffk@cygnus.com>
13271 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13272 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13273 (unprotoize.o): Ditto.
13274 (test-protoize-simple): Don't define STD_PROTO_DIR.
13275 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13276 changes to make 'test-protoize-simple' pass.
13277 (STD_PROTO_DIR): Remove define.
13278 (STANDARD_EXEC_PREFIX): Supply default define.
13279 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13280 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13281 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13282 (GET_ENV_PATH_LIST): New macro.
13283 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13284 (do_processing): Initialize default_syscalls_dir using new
13285 macros. Use it to initialize syscalls_absolute_filename.
13287 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13289 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13290 B into a register before emit_conditional_move.
13292 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13294 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13295 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13296 multiplicand out of (+ (* a b) (* c d)).
13298 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13299 Richard Henderson <rth@cygnus.com>
13301 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13302 (new_insn_dead_notes): Likewise.
13303 (update_n_sets): Likewise.
13304 (update_flow_info): Move to flow.c, renamed to update_life_info;
13305 extend to handle multiple source insns.
13306 * flow.c: Include resource.h
13307 (unlink_insn_chain): New.
13308 (split_hard_reg_notes): New.
13309 (maybe_add_dead_note): New.
13310 (maybe_add_dead_note_use): New.
13311 (find_insn_with_note): New.
13312 (new_insn_dead_notes): New.
13313 (update_n_sets): New.
13314 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13315 (maybe_remove_dead_notes): New.
13316 (update_life_info): New.
13317 (prepend_reg_notes): New.
13318 (replace_insns): New.
13319 * output.h (update_life_info): Declare.
13320 * recog.c (split_block_insns): Use update_life_info.
13321 * resource.c (find_free_register): Use reg_alloc_order, don't use
13322 fixed regs, make sure the mode is supported, don't use new regs.
13324 * rtl.h (replace_insns): Declare.
13326 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13328 * expr.c (expand_expr): Cope with COND_EXPRs with one
13329 non-returning branch.
13331 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13333 * expr.c (store_expr): Always pass down the target, even when not
13336 1999-08-24 Nick Clifton <nickc@cygnus.com>
13338 * configure.in: Define target_cpu_default for v850 targets.
13339 * configure: Regenerate
13341 * config/v850/v850.h (TARGET_CPU_generic): Define.
13342 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13343 addresses are 4 byte aligned.
13345 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13348 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13350 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13351 (main): Add prototypes.
13353 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13354 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13355 (write_attr_get): Emit prototypes along with function definition.
13356 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13357 (write_complex_function): Emit static prototype along with
13358 function definition.
13360 * genemit.c (gen_split): Emit prototypes along with function
13363 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13364 Likewise for predicates and `insn_operand_predicate'.
13365 (process_template): Emit static prototype along with function
13368 * genrecog.c (make_insn_sequence): Constify a char*. Add
13369 prototypes for get_split_*().
13370 (write_subroutine): Emit prototypes along with function
13373 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13375 * gcse.c (find_avail_set): Follow chains of register-register copies.
13376 Use oprs_not_set_p to guarantee that the returned value can be
13378 (cprop_insn): Don't verify the return value of find_avail_set with
13381 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13382 (cprop_cc0_jump): New function.
13383 (cprop_insn): Break out new function cprop_jump and use it.
13384 Also use cprop_cc0_jump for machines with CC0.
13385 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13387 * tree.h (current_function_calls_setjmp,
13388 current_function_calls_longjmp): Delete declarations.
13389 * dsp16xx.c: Include "function.h".
13390 * elxsi.c: Likewise.
13391 * gmicro.c: Likewise.
13392 * h8300.c: Likewise.
13393 * i370.c: Likewise.
13394 * m32r.c: Likewise.
13395 * mn10200.c: Likewise.
13396 * mn10300.c: Likewise.
13397 * ns32k.c: Likewise.
13398 * spur.c: Likewise.
13399 * v850.c: Likewise.
13401 * rtl.h (rtx_equal_function_value_matters): Declare.
13402 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13404 * function.c: Likewise.
13405 * emit-rtl.c: Likewise.
13407 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13409 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13412 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13414 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13417 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13419 * cpp.texi: Add a node documenting macro varargs (copied
13422 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13424 * cppspec.c: Put a null pointer at the end of the new argv.
13426 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13428 * configure.in: Remove code to select/de-select the haifa
13429 scheduler. Every scheduled port gets haifa now.
13430 * configure: Rebuilt.
13431 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13433 * Makefile.in: Corresponding changes.
13435 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13437 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13438 All callers changed.
13439 (prepare_float_lib_cmp): Likewise.
13440 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13441 * expr.h (emit_float_lib_cmp): Delete declaration.
13442 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13443 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13444 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13446 (cmptf): Now conditional on TARGET_HARD_QUAD.
13448 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13450 * resource.c (mark_target_live_regs): Use
13451 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13453 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13455 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13457 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13459 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13461 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13463 * rtl.h (rtx_format): Constify a char*.
13465 * rtl.c (rtx_format): Likewise.
13466 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13467 (init_rtl): Use accessor macro, not `rtx_format'.
13469 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
13472 * caller-save.c (mark_referenced_regs): Likewise.
13474 * combine.c (subst, make_compound_operation, known_cond,
13475 gen_rtx_combine, update_table_tick, get_last_value_validate,
13476 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
13478 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
13479 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
13480 count_reg_usage): Likewise.
13482 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
13485 * final.c (leaf_renumber_regs_insn): Likewise.
13487 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
13488 dump_edge_info, count_reg_references): Likewise.
13490 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
13491 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
13494 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
13495 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
13496 add_label_notes): Likewise.
13498 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
13499 clear_struct_flag, count_sub_rtxs, count_alternatives,
13500 compares_alternatives_p, contained_in_p, walk_attr_value,
13501 write_expr_attr_cache): Likewise.
13503 * genconfig.c (walk_insn_part): Likewise.
13505 * genemit.c (max_operand_1, gen_exp): Likewise.
13507 * genextract.c (walk_rtx): Likewise.
13509 * genflags.c (num_operands): Likewise.
13511 * genoutput.c (scan_operands): Likewise.
13513 * genpeep.c (match_rtx): Likewise.
13515 * genrecog.c (add_to_sequence): Likewise.
13517 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
13520 * integrate.c (save_constants, copy_for_inline,
13521 copy_rtx_and_substitute, subst_constants, restore_constants):
13524 * jump.c (mark_jump_label, invert_exp, redirect_exp,
13525 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
13527 * local-alloc.c (contains_replace_regs, memref_referenced_p):
13530 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
13531 add_label_notes, replace_call_address, count_nonfixed_reads,
13532 invariant_p, find_single_use_in_loop, find_mem_givs,
13533 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
13536 * print-rtl.c (reg_names, print_rtx): Likewise.
13538 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
13540 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
13541 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
13542 print_blocks): Likewise.
13544 * regclass.c (fix_register, record_address_regs,
13545 reg_scan_mark_refs): Likewise.
13547 * regmove.c (stable_but_for_p): Likewise.
13549 * reload.c (loc_mentioned_in_p, operands_match_p,
13550 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
13551 copy_replacements, refers_to_regno_for_reload_p,
13552 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
13553 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
13556 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
13557 delete_address_reloads_1, count_occurrences,
13558 reload_cse_mem_conflict_p, reload_combine_note_use,
13559 add_auto_inc_notes): Likewise.
13561 * resource.c (mark_referenced_resources, mark_set_resources):
13564 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
13565 reg_mentioned_p, regs_set_between_p, modified_between_p,
13566 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
13567 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
13568 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
13569 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
13571 * sched.c (sched_analyze_2, attach_deaths): Likewise.
13573 * stupid.c (stupid_mark_refs): Likewise.
13575 * unroll.c (remap_split_bivs): Likewise.
13577 * varasm.c (mark_constants): Likewise.
13579 * a29k/a29k.c (uses_local_reg_p): Likewise.
13581 * alpha/alpha.c (summarize_insn): Likewise.
13583 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
13584 eliminate_lr2ip): Likewise.
13586 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
13588 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
13589 reg_mentioned_in_mem): Likewise.
13591 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
13592 symbolic_reference_mentioned_p): Likewise.
13594 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
13596 * sh/sh.c (regs_used, mark_use): Likewise.
13598 * vax/vax.c (vax_rtx_cost): Likewise.
13600 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13602 * machmode.h (mode_name): Constify a char*.
13604 * rtl.c (mode_name): Likewise.
13606 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
13608 * optabs.c (init_libfuncs): Constify a char*.
13610 * print-tree.c (mode_name): Remove redundant declaration.
13611 (print_node): Use accessor macro, not `mode_name'.
13613 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
13615 (new_spill_reg): Constify a char*.
13617 * tree.c (mode_name): Remove redundant declaration.
13619 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13621 * rtl.c (rtx_name): Constify a char*.
13623 * rtl.h (rtx_name, fix_sched_param): Likewise.
13625 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
13626 (mypr): Use accessor macro, not `rtx_name'.
13628 * genemit.c (print_code): Constify a char*.
13630 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
13632 * genpeep.c (print_code): Constify a char*.
13634 * genrecog.c (print_code): Likewise.
13636 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
13637 end_bb): Add static prototype.
13638 (draw_edge): Constify a char*.
13639 (end_bb): Remove unused parameter.
13641 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
13642 print_block_visualization): Constify a char*.
13644 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
13646 * c-common.c (c_get_alias_set): Update comment.
13648 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13650 * linux.h (LIB_SPEC): Added.
13652 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13654 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
13656 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
13658 * tree.c (expr_check): Fix typo in last change.
13660 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
13662 * rtl.def (NOTE): Change format to "iuu0n".
13663 (ADDR_DIFF_VEC): Change format to "eEee0".
13664 (ADDRESSOF): Change format to "eit".
13666 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
13667 (RTVEC_ELT): Change to match.
13668 (XVECEXP): Use XVEC and RTVEC_ELT.
13669 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
13670 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
13671 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
13672 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
13673 TRAP_CONDITION, TRAP_CODE): Use XEXP.
13674 (INTVAL): Use XWINT.
13675 (ADDRESSOF_DECL): Use XTREE.
13676 (SET_ADDRESSOF_DECL): Delete.
13677 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
13678 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
13679 ifdefed out since 2.6 at least.
13680 (gen_rtvec_vv): Delete prototype.
13682 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
13684 (copy_most_rtx): Handle 't' format letter.
13685 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
13686 (gen_rtvec_vv): Delete function. All callers changed to use
13687 gen_rtvec_v instead.
13688 * print-rtl.c (print_rtx): Move special casing of NOTEs to
13689 the '0' format letter.
13691 * function.c (gen_mem_addressof): Don't use
13692 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
13694 * integrate.c (copy_rtx_and_substitute): Likewise.
13695 Copy 't' slots with XTREE.
13696 (subst_constants): Treat 't' slots like '[swi]' slots.
13697 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
13698 * jump.c (rtx_equal_for_thread_p): Likewise.
13699 * rtlanal.c (rtx_equal_p): Likewise.
13700 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
13701 only four arguments.
13702 * gengenrtl.c (type_from_format): Provide correct types for
13706 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
13707 If a recent gcc is in use (always in stage2 and beyond), use
13708 statement expressions, so we don't make a function call unless
13709 the check fails. Evaluate arguments exactly once.
13710 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
13711 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
13713 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
13714 they evaluate their arguments exactly once, irrespective of
13715 the compiler in use.
13717 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
13718 is used by the currently-enabled check macros. This is:
13719 (tree_check_failed, tree_class_check_failed): For gcc.
13720 (tree_check, tree_class_check, cst_or_constructor_check,
13721 expr_check): For other compilers.
13723 * gencheck.c: Do not define any *_CHECK1 macros.
13725 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
13726 Mark Mitchell <mark@codesourcery.com>
13728 * c-common.c (c_get_alias_set): Fix support for poitners and
13731 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
13733 * alias.c: Include tree.h.
13734 (nonlocal_reference_p, mark_constant_function): New functions.
13735 * flow.c (life_analysis): Call mark_constant_function.
13736 * rtl.h (mark_constant_function): Declare it.
13738 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
13740 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
13741 unrecognisable switches.
13743 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13745 * loop.c (recombine_givs): Set ix field after sorting.
13746 (recombine_givs): Remove bogus index / giv lockstep looping.
13748 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13750 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
13752 (emit_store_flag_force): Use do_compare_rtx_and_jump.
13753 (do_cmp_and_jump): Formatting fixes.
13754 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
13755 do_compare_rtx_and_jump instead of compare_from_rtx.
13756 (do_compare_rtx_and_jump): New function; mostly copied from
13758 (do_jump_for_compare): Delete.
13759 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
13761 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
13762 of compare/do_jump_for_compare pairs.
13763 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
13764 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
13765 compare_from_rtx/do_jump_for_compare pairs.
13766 (do_jump_by_parts_equality): Likewise.
13767 (do_jump_by_parts_equality_rtx): Likewise.
13768 * expr.h (do_compare_rtx_and_jump): Declare.
13769 * optabs.c (prepare_cmp_insn): New function, contains most of the code
13770 that used to be in emit_cmp_insn.
13771 (cmp_available_p): New function.
13772 (prepare_operand): New function.
13773 (emit_cmp_and_jump_insn_1): New function, contains some code that used
13774 to be in emit_cmp_insn.
13775 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
13776 parameters to be pointers; don't emit final compare but modify some of
13777 the values pointed to by the args so the caller can perform the
13778 correct comparison.
13779 (expand_binop): Call emit_store_flag_force with signed forms of
13781 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
13782 emit_jump_insn pair.
13783 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
13784 emit_cmp_and_jump_insn_1. Call emit_queue.
13785 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
13787 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
13788 jump sets cc0 before deleting it.
13789 * integrate.c (expand_inline_function): Likewise.
13790 * unroll.c (unroll_loop): Similar changes in several places.
13791 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
13792 before deleting it.
13794 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13796 * Makefile.in (insn-recog.o): Update dependencies.
13797 * genrecog.c (main): Make generated file include "function.h".
13799 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
13801 * cse.c (cse_insn): Call never_reached_warning when a jump is
13802 changed to be unconditional.
13803 * flags.h: Declare warn_notreached.
13804 * flow.c (delete_block): Call never_reached_warning when
13805 a block is deleted.
13806 * jump.c (delete_barrier_successors): Call never_reached_warning
13807 when we delete everything after a BARRIER.
13808 (never_reached_warning): New function.
13809 * rtl.h: Declare never_reached_warning.
13810 * toplev.c (warn_notreached): New variable.
13811 (lang_independent_options): Set warn_notreached
13812 when -Wunreachable-code.
13813 (compile_file): We need line numbers for -Wunreachable-code.
13815 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
13817 * haifa-sched.c (insn_unit): Fix typo on out of range test.
13818 * sched.c (insn_unit): Likewise.
13820 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
13822 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
13824 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13826 * flow.c (create_edge_list): Use xmalloc, not malloc.
13828 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
13830 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
13831 C-style comments. Do not lose the character before double slash.
13833 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13835 * basic-block.h (struct edge_list): Stucture to maintain a vector
13837 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
13838 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
13839 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
13840 New function prototypes.
13841 * flow.c (create_edge_list): Function to create an edge list.
13842 (free_edge_list): Discards memory used by an edge list.
13843 (print_edge_list): Debug output showing an edge list.
13844 (verify_edge_list): Internal consistency check for an edge list.
13845 (find_edge_index): Function to find an edge index for a pred and succ.
13847 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
13849 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
13852 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
13854 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
13856 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13858 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
13860 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
13862 * toplev.c (rest_of_compilation): Allow machine dependent
13863 reorganisation pass to place information into the RTL dump
13864 file if it so wishes.
13866 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
13868 * explow.c (hard_function_value): Use VOIDmode instead of
13870 * stmt.c (expand_return): Likewise.
13871 * stor-layout.c (get_best_mode): Likewise.
13873 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
13874 emit call instead of emit_insn call.
13876 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13878 * configure.in: Handle --disable/enable-win32-registry.
13879 * install.texi: Document --disable/enable-win32-registry.
13880 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
13881 (WIN32_REGISTRY_KEY): New macro.
13882 * prefix.c: Use to enable/disable win32-specific code.
13883 (lookup_key): Use versioned key.
13884 * configure: Regenerate.
13885 * config.in: Likewise.
13887 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
13889 * cpplib.c (read_line_number): New fn, split out of...
13892 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13894 tree.c (lang_unsave_expr_now) : New.
13895 (unsave_expr_now): Call lang_unsave_expr_now.
13896 tree.h (lang_unsave_expr_now) : New.
13898 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
13900 * toplev.c (flag_new_exceptions): On by default.
13902 1999-08-13 Michael Meissner <meissner@cygnus.com>
13904 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
13906 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13908 * dwarfout.c (fundamental_type_code): Return FT_boolean for
13909 INTEGER_TYPE with precision==1, it's __java_boolean.
13911 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13913 * global.c (prune_preferences): Move some invariants out of the
13916 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
13918 * configure.in (alpha*-dec-osf*): Add osf5.
13920 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
13922 * configure.in: Rework handling of ARM GNU/Linux slightly.
13923 (arm*-*-linux-gnuoldld): New target.
13924 * configure: Regenerate.
13925 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
13926 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
13927 * config/arm/linux-oldld.h: New file.
13928 * config/arm/linux-elf26.h: Don't include linux-elf.h.
13929 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
13931 * config/arm/linux-elf.h (ASM_SPEC): Define.
13932 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
13933 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
13934 for 26-bit APCS and old linker.
13935 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
13937 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
13938 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
13939 don't define `arm' or `arm_elf'.
13940 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
13941 MULTILIB_DIRNAMES): Define. Fix typo in comment.
13943 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
13945 * rtl.texi: Fix typo.
13947 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
13949 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
13951 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
13953 * extend.texi (C++ Signatures): Remove node.
13954 * invoke.texi: Remove discussion of -fhandle-signatures,
13955 signature, sigof, __signature__, and __sigof__.
13957 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
13959 * Makefile.in (JAVAGC): Removed.
13961 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
13963 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
13965 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
13967 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
13969 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
13971 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
13972 a register that is already known to be a pointer.
13974 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
13976 * fixinc/inclhack.tpl: Only install assert.h conditionally.
13977 * fixinc/inclhack.sh: Regenerated.
13978 * fixinc/fixincl.sh: Regenerated.
13980 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
13982 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
13983 Fix documentation of -ansi flag to describe its C++ behavior.
13984 Remove bogus reference to GCC 2.9.
13986 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
13988 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
13989 note if it is non-NULL.
13991 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13993 * except.h (eh_nesting_info): Add new structure defintion.
13994 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
13995 (reachable_handlers, update_rethrow_references): Add function
13997 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
13998 a rethrow symbol instead of an integer exception region number.
13999 * flow.c (Make_edges): Use new exception nesting routines to determine
14000 which handlers are reachable from a CALL or asynchronous insn.
14001 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14003 (delete_eh_regions): Update rethrow labels, and don't delete
14004 regions which are the target of a rethrow.
14005 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14006 avoid overloading the SYMBOL_REF_USED flag.
14007 (rethrow_symbol_map): Use new rethrow_ref field.
14008 (rethrow_used): Use new rethrow_ref field.
14009 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14010 of an integer. Fix formatting.
14011 (output_exception_table_entry): Use new rethrow_ref field.
14012 (can_throw): Check for EH_REGION_NOTE before deciding
14013 whether a CALL can throw or not.
14014 (scan_region): Call rethrow_used() instead of accessing data structure.
14015 (update_rethrow_references): New function to make sure only regions
14016 which are still targets of a rethrow are flagged as such.
14017 (process_nestinfo): New static function to initialize a handler
14018 list for a specific region.
14019 (init_eh_nesting_info): New function to allocate and initialize
14020 the list of all EH handlers reachable from all regions.
14021 (reachable_handlers): New function to retrieve the list of handlers
14022 reachable from a specific region and insn.
14023 (free_eh_nesting_info): New function to dispose of a list of
14024 reachable handlers.
14026 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14028 * flow.c (split_edge): Set JUMP_LABEL field.
14029 (commit_one_edge_insertion): Set head correctly for insert_before.
14030 When inserting insns, update insn block numbers if allocated.
14032 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14034 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14035 retry_incomplete_types): Add static prototype.
14036 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14037 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14038 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14039 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14040 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14043 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14044 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14046 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14048 * output.h (assemble_name): Constify a char*.
14050 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14051 assemble_variable, assemble_name): Likewise.
14053 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14055 * arm/pe.c (arm_pe_unique_section): Likewise.
14057 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14059 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14061 * i386/interix.c (i386_pe_unique_section): Likewise.
14063 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14065 * i386/winnt.c (i386_pe_unique_section): Likewise.
14067 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14069 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14071 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14073 * pa/pa.c (output_call): Likewise.
14075 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14077 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14079 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14082 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14085 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14087 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14088 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14090 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14092 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14094 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14096 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14098 * tree.h (lang_identify): Constify a char*.
14099 (print_error_function): Add extern prototype. Constify a char*.
14101 * c-lang.c (lang_identify): Constify a char*.
14103 * objc/objc-act.c (lang_identify): Constify a char*.
14105 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14107 * genpeep.c (main): Make generated file include "function.h".
14108 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14110 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14112 * Makefile.in: Update dependencies.
14113 * alias.c: Include "function.h"
14114 * c-decl.c: Likewise.
14115 * caller-save.c: Likewise.
14116 * calls.c: Likewise.
14117 * combine.c: Likewise.
14119 * explow.c: Likewise.
14120 * final.c: Likewise.
14121 * global.c: Likewise.
14122 * graph.c: Likewise.
14123 * local-alloc.c: Likewise.
14124 * loop.c: Likewise.
14125 * optabs.c: Likewise.
14126 * profile.c: Likewise.
14127 * recog.c: Likewise.
14128 * regclass.c: Likewise.
14129 * regmove.c: Likewise.
14130 * reload.c: Likewise.
14131 * reorg.c: Likewise.
14132 * resource.c: Likewise.
14133 * sched.c: Likewise.
14134 * stupid.c: Likewise.
14135 * config/1750a/1750a.c: Likewise.
14136 * config/a29k/a29k.c: Likewise.
14137 * config/arc/arc.c: Likewise.
14138 * config/arm/arm.c: Likewise.
14139 * config/arm/thumb.c: Likewise.
14140 * config/c4x/c4x.c: Likewise.
14141 * config/clipper/clipper.c: Likewise.
14142 * config/convex/convex.c: Likewise.
14143 * config/fx80/fx80.c: Likewise.
14144 * config/i860/i860.c: Likewise.
14145 * config/m68k/m68k.c: Likewise.
14146 * config/m88k/m88k.c: Likewise.
14147 * config/mips/mips.c: Likewise.
14148 * config/pdp11/pdp11.c: Likewise.
14149 * config/pyr/pyr.c: Likewise.
14150 * config/romp/romp.c: Likewise.
14151 * config/sh/sh.c: Likewise.
14152 * config/tahoe/tahoe.c: Likewise.
14153 * config/vax/vax.c: Likewise.
14154 * config/we32k/we32k.c: Likewise.
14155 * config/sparc/sparc.c: Include "function.h".
14156 (mem_min_alignment): Test current_function rather than
14157 regno_pointer_align.
14158 * config/pa/pa.c: Likewise.
14159 (compute_frame_size): Delete declaration of
14160 current_function_outgoing_args_size.
14161 * config/arc/arc.h (current_function_varargs): Delete declaration.
14162 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14164 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14166 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14167 current_function_uses_pic_offset_table.
14168 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14169 of current_function_returns_pointer.
14170 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14171 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14172 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14173 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14174 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14175 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14176 * config/m88k/m88k.c: Include "function.h"
14177 (call_used_regs, current_function_pretend_args_size,
14178 current_function_outgoing_args_size, frame_pointer_needed): Delete
14180 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14182 * config/mips/mips.h (current_function_calls_alloca): Delete
14184 * config/mn10200/mn10200.h (current_function_needs_context,
14185 rtx_equal_function_value_matters): Delete declarations.
14186 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14187 flag_pic): Delete declarations.
14188 * config/pa/pa.h (current_function_pretend_args_size,
14189 current_function_decl): Delete declarations.
14190 * config/pa/som.h (current_function_varargs): Delete declaration.
14191 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14193 * config/pyr/pyr.h (current_function_pretend_args_size,
14194 current_function_args_size, current_function_calls_alloca): Delete
14196 * config/sh/sh.h (current_function_varargs): Delete declaration.
14197 * config/sparc/sparc.h (current_function_outgoing_args_size,
14198 current_function_calls_alloca, current_function_decl): Delete
14200 * config/spur/spur.h (current_function_pretend_args_size,
14201 current_function_calls_alloca): Delete declarations.
14202 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14204 * config/vax/vms.h (current_function_name): Delete declaration.
14205 * gcse.c: Include "function.h".
14206 (current_function_name, current_function_calls_setjmp): Delete
14208 * haifa-sched.c: Include "function.h".
14209 (forced_labels): Delete declaration.
14210 * jump.c: Likewise.
14211 * reg-stack.c: Likewise.
14212 * reload1.c: Likewise.
14213 * genemit.c (main): Make generated file include function.h.
14214 * genoutput.c (output_prologue): Likewise.
14216 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14217 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14218 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14219 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14220 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14221 macros for some of them.
14222 (emit_filename, emit_lineno): Delete declarations.
14223 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14224 regno_pointer_* variables through current_function.
14225 (gen_inline_header_rtx): Delete function.
14226 (save_emit_status): Delete function.
14227 (set_new_last_label_num): New function.
14228 (clear_emit_caches): New function.
14229 (restore_emit_status): Just clear last_labelnum and call
14231 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14232 through macro seq_stack.
14233 (add_insn_after): Likewise.
14234 (add_insn_before): Likewise.
14235 (remove_insn): Likewise.
14236 (pop_topmost_sequence): Likewise.
14237 (in_sequence_p): Likewise.
14238 (start_sequence_for_rtl_expr): Likewise.
14239 (start_sequence): Likewise, and likewise for
14240 sequence_rtl_expr/seq_rtl_expr.
14241 (push_topmost_sequence): Likewise.
14242 (end_sequence): Likewise.
14243 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14244 All callers changed. Store into that pointer instead of globals.
14245 (init_emit): Allocate emit elt of current_function.
14246 Changes for sequence_rtl_expr/sequence_stack renaming.
14247 Call clear_emit_caches instead of doing it in-line.
14248 Access regno_pointer_* variables through current_function.
14249 (init_emit_once) Don't clear sequence_stack.
14251 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14253 (arg_pointer_save_area): Delete declaration.
14254 (finish_expr_for_function): Renamed from init_queue; no longer static.
14255 (init_expr): Don't call init_queue.
14256 (save_expr_status, restore_expr_status): Delete functions.
14257 (expand_expr): Changes to reflect new layout of struct function.
14258 Don't access current_function_check_memory_usage when current_function
14260 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14261 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14262 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14263 current_function_uses_const_pool, function_call_count,
14264 current_function_uses_pic_offset_table, nonlocal_labels,
14265 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14266 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14267 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14269 (finish_expr_for_function): Declare.
14270 * flags.h (current_function_has_nonlocal_label,
14271 current_function_has_nonlocal_goto, current_function_is_thunk,
14272 current_function_has_computed_jump): Delete declarations.
14273 * flow.c (forced_labels): Delete declaration.
14274 * function.c (current_function_pops_args,
14275 current_function_returns_struct, current_function_returns_pcc_struct,
14276 current_function_needs_context, current_function_calls_setjmp,
14277 current_function_calls_longjmp, current_function_has_nonlocal_label,
14278 current_function_has_nonlocal_goto, current_function_is_thunk,
14279 current_function_has_computed_jump, current_function_calls_alloca,
14280 current_function_contains_functions, current_function_returns_pointer,
14281 current_function_epilogue_delay_list, current_function_args_size,
14282 current_function_pretend_args_size, current_function_arg_offset_rtx,
14283 current_function_outgoing_args_size, current_function_varargs,
14284 current_function_stdarg, current_function_args_info, cleanup_label,
14285 current_function_name, current_function_uses_const_pool,
14286 current_function_instrument_entry_exit, current_function_return_rtx,
14287 current_function_uses_pic_offset_table, nonlocal_labels,
14288 current_function_internal_arg_pointer, current_function_cannot_inline,
14289 current_function_check_memory_usage, function_call_count,
14290 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14291 nonlocal_goto_stack_level, return_label, save_expr_regs,
14292 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14293 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14294 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14295 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14296 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14298 (push_function_context_to): Don't save them. Don't call
14299 save_storage_status, save_emit_status or save_expr_status.
14300 (pop_function_context_from): Don't restore them. Don't call
14301 restore_storage_status or restore_expr_status.
14302 (get_func_frame_size): New function.
14303 (get_frame_size): Use it.
14304 (assign_outer_stack_local): Reflect some member name changes in struct
14306 (put_reg_into_stack): Likewise.
14307 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14309 (fixup_var_refs): Likewise.
14310 (fix_lexical_addr): Likewise.
14311 (trampoline_address): Likewise.
14312 (prepare_function_start): Clear field inlinable of current_function.
14313 (init_function_for_compilation): New function.
14314 (expand_dummy_function_end): New function.
14315 (expand_function_end): Call finish_expr_for_function.
14316 * function.h (struct emit_status): New; fields moved here from struct
14317 function and from global variables. Add accessor macros for some of
14319 (struct expr_status): Likewise.
14320 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14321 (struct function): Add fields expr and emit, inlinable, inl_emit,
14322 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14323 inl_max_label_num. Add many comments.
14324 Add accessor macros for all elts of struct function that no longer
14325 have a global variable.
14326 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14327 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14328 stack_slot_list): Delete declarations.
14329 (get_func_frame_size): Declare.
14330 (save_expr_status, restore_expr_status, save_emit_status,
14331 save_storage_status, restore_storage_status): Delete declarations.
14332 (init_virtual_regs): Declare.
14333 * output.h (current_function_pops_args,
14334 current_function_returns_struct, current_function_returns_pcc_struct,
14335 current_function_needs_context, current_function_calls_setjmp,
14336 current_function_calls_longjmp, current_function_calls_alloca,
14337 current_function_has_nonlocal_label, current_function_varargs,
14338 current_function_has_computed_jump, current_function_returns_pointer,
14339 current_function_contains_functions, current_function_args_size,
14340 current_function_pretend_args_size, current_function_stdarg,
14341 current_function_outgoing_args_size, current_function_args_info,
14342 current_function_name, current_function_return_rtx,
14343 current_function_epilogue_delay_list,
14344 current_function_uses_const_pool, current_function_cannot_inline):
14345 Delete declarations.
14346 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14347 regno_reg_rtx): Delete declaration.
14348 (REGNO_POINTER_FLAG): Delete macro.
14349 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14350 function were renamed.
14351 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14353 * toplev.c: Include "function.h".
14354 (current_function_decl): Delete declaration.
14355 (compile_file): Call init_dummy_function_start and
14356 expand_dummy_function_end around some initializations that need to
14358 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14359 Call init_function_for_compilation.
14360 * unroll.c: Include "function.h"
14361 (unroll_loop): Access regno_pointer_* variables through
14364 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14365 (DECL_SAVED_INSNS): use it.
14366 (expand_dummy_function_end): Declare.
14367 (init_function_for_compilation): Declare.
14368 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14369 that it's no longer an INLINE_HEADER.
14370 (expand_call): Likewise.
14371 * integrate.c (finish_inline): Delete function.
14372 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14373 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14374 args. Don't generate an INLINE_HEADER rtx, just return the arg
14375 vector. All callers changed.
14376 (save_for_inline_copying): Create a duplicate struct emit_status to
14377 hold the emit state for compiling the current function. Use this and
14378 the other new fields in struct function that are for integration
14379 instead of an INLINE_HEADER.
14380 Use memcpy instead of bcopy.
14381 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14382 (save_for_inline_nocopy): Similar changes, except no new emit_status
14384 (expand_inline_function): Get information from function structure,
14385 not from an inline header rtx.
14386 (output_inline_function): Lose code to extract the necessary
14387 information from an inline header; simply put back the function
14388 structure into current_function. Clear its inlinable elt.
14389 * rtl.def (INLINE_HEADER): Delete.
14390 * rtl.h: Delete all accessors for an INLINE_HEADER.
14391 (gen_inline_header_rtx): Delete declaration.
14392 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14393 Delete declarations.
14394 (REGNO_POINTER_ALIGN): Delete.
14395 (clear_emit_caches): Declare.
14396 (set_new_last_label_num): Declare.
14398 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14400 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14402 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14403 * stmt.c (is_eh_region): Make sure current_function is present, too.
14405 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14407 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14408 for 64bit PA targets.
14410 * pa.h (SELECT_SECTION): Define.
14411 * som.h (SELECT_SECTION): Delete.
14413 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14415 * alias.c (init_alias_analysis): Wrap call to
14416 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14418 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14420 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14421 <sys/asm.h> contains an asm comment with an apostrophe
14422 * fixinc/inclhack.sh: regen
14423 * fixinc/fixincl.x: regen
14425 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14427 * function.c (init_function_start): Clear prologue & epilogue.
14428 (prologue_epilogue_contains): New function.
14429 * alias.c (init_alias_analysis): Use it.
14430 * rtl.h (prologue_epilogue_contains): Declare it.
14432 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14434 * jump.c (onlyjump_p): New function.
14435 * rtl.h: Declare it.
14436 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14437 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14439 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14441 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14442 to invert loops. Simplify block scanning.
14444 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14446 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14447 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14449 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14451 * config/sparc/liteelf.h: New file to support sparclite-elf target
14452 * config/sparc/t-sp86x: New file to support sparc86x targets
14453 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14454 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14455 * configure.in: Support above target triplets
14456 * configure: Regenerated
14458 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14460 * fixinc/server.c (server_setup): Do not prefix function used as
14461 parameter with `&'.
14463 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14465 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14466 Remove fp reg alternatives.
14468 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
14470 * Makefile.in (TAROUTOPTS): Kill.
14471 (install-headers-tar): Use "xpf" for tar headerfile extraction
14472 * i370/x-oe (TAROUTOPTS): Delete.
14473 * m68k/x-apollo68 (TAROUTOPTS): Delete.
14474 * m68k/x-hp320 (TAROUTOPTS): Delete.
14475 * m68k/x-hp320g (TAROUTOPTS): Delete.
14476 * gcc.texi: Update bug reporting text.
14478 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14480 * reg-stack.c (change_stack) Fixed problem with negative array index.
14482 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
14484 * extend.texi, install.texi: Fix spelling mistakes.
14486 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
14487 (s-attrtab); No longer try to use pre-made insn-attrtab file.
14488 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
14489 PREMADE_ATTRTAB_MD.
14490 * mips/t-ecoff: Likewise.
14491 * mips/t-elf: Likewise.
14492 * mips/t-mips: Likewise.
14493 * mips/t-osfrose: Likewise.
14494 * mips/t-r3900: Likewise.
14495 * mips/t-svr3: Likewise.
14496 * mips/t-svr4: Likewise.
14497 * mips/t-ultrix: Likewise.
14499 * gcc.texi: Document recommend means to provide software floating
14500 point libraries in libgcc.a
14502 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
14504 * c-lex.c (yylex): We can have a number with no digits.
14506 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
14508 * jump.c (delete_prior_computation): New function, broken
14509 out of delete_computation. Check for side effects with
14510 side_effects_p instead of FIND_REG_INC_NOTE. Handle
14511 multi-word hard registers.
14512 (delete_computation): Use it. Check for side effects with
14513 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
14514 missing REG_DEAD note for a register which is both set and
14517 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
14519 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
14520 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
14521 (ASM_FILE_START): Import _mcount with the right type.
14522 (ASM_DECLARE_FUNCTION_NAME): Define.
14523 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14524 * pa.c (output_function_prologue): Always emit the function's label
14526 * pa.h (TEXT_SPACE_P): Define.
14527 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14528 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
14529 * som.h (TEXT_SPACE_P): Delete.
14530 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14531 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
14533 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
14535 * expr.c (emit_group_load): Allow src to be a CONCAT.
14537 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14539 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
14540 (___mulsi3): Use '!' comment character.
14542 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14544 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
14546 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
14548 * gcc.c: Update URLs and mail addresses.
14549 * gcc.texi: Likewise.
14551 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
14553 * rs6000.c (current_file_function_operand): Return zero for
14555 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
14557 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
14560 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
14562 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
14563 allocate space in the stack frame for the PIC register.
14565 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
14567 * m68k.md (xordi3, anddi3): These patterns are not available on
14570 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
14572 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
14573 (PUT_REAL): Likewise.
14575 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14577 * final.c (shorten_branches): Don't add an alignment for loops
14578 that have no label inside.
14580 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14582 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
14583 prototypes in macro HAVE_cmpstrsi.
14585 * cpplib.c (cpp_get_token): Remove unused label `op3'.
14587 * emit-rtl.c (operand_subword): Remove unused variable
14590 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
14592 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
14594 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
14596 * cpphash.c (macroexpand): Delete leading whitespace when arg
14597 is concatenated before.
14598 (unsafe_chars): Correct test for whether + and - can extend a
14601 * cppinit.c (cpp_start_read): Do dependencies for
14602 -include/-imacros files also.
14604 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
14605 tokenizing non-directive lines.
14606 (cpp_expand_to_buffer): Temporarily disable no-output mode.
14607 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
14610 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
14612 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
14614 * c-lex.c: Sync with C++ frontend.
14615 (linemode): New variable.
14616 (parse_float): imag, conversion_errno, and type are output only.
14617 (yylex): Adjust. Move initial '.' case into main switch.
14619 (handle_generic_pragma): Just deal with tokens.
14620 (readescape): Use ISXDIGIT and ISGRAPH.
14621 * c-parse.in: Add END_OF_LINE token.
14623 * c-lex.c (lang_init): Generalize.
14624 (nextchar): Remove. Replace uses with UNGETC.
14625 (skip_white_space): Handle linemode here. Optimize for cpplib.
14626 (skip_white_space_on_line): Remove.
14627 (extend_token_buffer_to): New fn.
14628 (extend_token_buffer): Use it.
14629 (read_line_number, check_newline): Just deal with tokens.
14630 (token_getch, token_put_back): New fns.
14631 (yylex): Use them. More cpplib optimizations. Simplify.
14633 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14634 Jason Merrill <jason@yorick.cygnus.com>
14636 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
14637 (consume_string): Make this smart about USE_CPPLIB.
14638 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
14639 (yylex): Rewrite to be intelligent about USE_CPPLIB.
14640 Also, clean up cases where we redundantly set token_buffer[0].
14641 (read_line_number): New fn.
14642 (ignore_escape_flag): New variable.
14644 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
14646 * a29k/t-a29kbare: Fix some comments.
14647 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
14648 (FPBIT, DPBIT): Define.
14649 * a29k/t-vx29k: Likewise.
14650 * arc/t-arc: Likewise.
14651 * arm/t-arm-elf: Likewise.
14652 * arm/t-bare: Likewise.
14653 * arm/t-pe: Likewise.
14654 * arm/t-pe-thumb: Likewise.
14655 * arm/t-semi: Likewise.
14656 * arm/t-thumb: Likewise.
14657 * arm/t-thumb-elf: Likewise.
14658 * arm/t-thumb-linux: Likewise.
14659 * h8300/t-h8300: Likewise.
14660 * i960/t-i960: Likewise.
14661 * i960/t-vxworks960: Likewise.
14662 * m32r/t-m32r: Likewise.
14663 * mips/t-ecoff: Likewise.
14664 * mips/t-elf: Likewise.
14665 * mips/t-r3900: Likewise.
14666 * pa/t-pro: Likewise.
14667 * rs6000/t-aix43: Likewise.
14668 * rs6000/t-beos: Likewise.
14669 * rs6000/t-newas: Likewise.
14670 * rs6000/t-ppccomm: Likewise.
14671 * rs6000/t-rs6000: Likewise.
14672 * rs6000/t-winnt: Likewise.
14673 * rs6000/t-xnewas: Likewise.
14674 * rs6000/t-xrs6000: Likewise.
14675 * sh/t-sh: Likewise.
14676 * sparc/t-elf: Likewise.
14677 * sparc/t-sparcbare: Likewise.
14678 * sparc/t-sparclite: Likewise.
14679 * sparc/t-splet: Likewise.
14680 * v850/t-v850: Likewise.
14681 * mn10200/t-mn10200: Fix comments.
14682 * mn10300/t-mn10300: Likewise.
14684 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
14685 dummy operand. Allocate a new pseudo for the dummy operand.
14686 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
14688 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
14690 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
14692 * configure: Rebuilt.
14693 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
14695 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
14697 * recog.c (preproces_constraints): Zero recog_op_alt before
14698 processing the constraints.
14700 * arm.c (typedef minipool_node): Renamed from pool_node.
14701 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
14702 (add_minipool_constant): New function.
14703 (dump_minipool): New function.
14704 (find_barrier): Remove special case for getting the insn size of
14705 an insn that references the constant pool.
14706 (minipool_fixup): New structure.
14707 (push_minipool_barrier): New function.
14708 (push_minipool_fix): New function.
14709 (note_invalid_constants): New function.
14710 (add_pool_constant, dump_table, fixit, broken_move): Delete.
14711 (arm_reorg): Rewrite code to fix up the constant pool into a
14712 series of mini-pools embedded in the insn stream.
14713 (arm_output_epilogue): New function, made mainly from the body
14714 of output_func_epilogue.
14715 (output_func_epilogue): Move insn generation part of epilogue code
14716 to arm_output_epilogue.
14717 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
14718 * arm.md (pool_range): New attribute.
14719 (zero_extendqidi2): Add attribute pool_range.
14720 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
14721 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
14722 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
14723 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
14724 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
14725 (epilogue): New expand.
14726 (epilogue_insn): New insn. Call arm_output_epilogue.
14728 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
14729 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
14731 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
14733 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14735 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
14737 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
14739 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
14741 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
14743 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
14745 * global.c: Fix comment.
14747 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
14749 * gcc.c (access_check): New static function.
14750 (find_a_file): Use it when searching a directory list.
14751 * collect2.c (find_a_file): Don't accept directories found when
14752 searching a directory list.
14754 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
14756 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
14757 function parameters with `&'.
14758 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
14760 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
14762 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
14763 or tidy_fallthru_edge if the last insn in the block is not
14764 an unconditional jump or a simple conditional jump.
14766 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14768 * Makefile.in (c-decl.o): Depends on defaults.h.
14770 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
14772 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
14774 (CLASS_MAX_NREGS): Likewise.
14776 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
14778 * cse.c (cse_insn): Fix dumb thinko in last change.
14780 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14782 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
14785 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
14787 * dwarf2out.c (add_location_or_const_value_attribute): Correct
14788 test for sizes of passed and declared parameter types.
14790 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14792 * fixincludes: Fix the return type of bsearch, char* -> void*.
14794 * fixinc/inclhack.def: Likewise.
14796 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
14798 * invoke.texi (-fdump-translation-unit): New option.
14800 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
14802 * expr.h (PROMOTE_PROTOTYPES): Move ...
14803 * defaults.h: ... to here.
14804 * c-decl.c: Include defaults.h instead of expr.h.
14805 * c-typeck.c: Include defaults.h.
14807 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
14809 * toplev.h (errorcount): Declare.
14810 (warningcount): Likewise.
14811 (sorrycount): Likewise.
14812 * c-lex.c (errorcount): Don't declare.
14813 * dwarf2out.c (errorcount): Don't declare.
14815 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
14817 * config/libgloss.h: Add a note discouraging use with ELF.
14818 * configure.in: Don't use libgloss.h for ELF targets.
14819 Always use_collect2 on a.out targets.
14821 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
14823 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
14824 (force_to_mode, case ASHIFTRT): Add shiftrt label.
14826 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14828 * loop.c (strength_reduce): When doing biv->giv conversion, update
14829 reg note of NEXT->insn.
14831 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14833 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
14835 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14837 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
14838 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
14839 Ensure expr.h is included.
14840 * c-typecheck.c (convert_arguments): Ditto.
14842 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
14844 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
14845 * config/convex/convex.h: Ditto.
14846 * config/dsp16xx/dsp16xx.h: Ditto.
14847 * config/fx80/fx80.h: Ditto.
14848 * config/gmicro/gmicro.h: Ditto.
14849 * config/i370/i370.h: Ditto.
14850 * config/i386/i386.h: Ditto.
14851 * config/m32r/m32r.h: Ditto.
14852 * config/m68k/m68k.h: Ditto.
14853 * config/m88k/m88k.h: Ditto.
14854 * config/mips/mips.h: Ditto.
14855 * config/pa/pa.h: Ditto.
14856 * config/pyr/pyr.h: Ditto.
14857 * config/tahoe/tahoe.h: Ditto.
14858 * config/we32k/we32k.h: Ditto.
14860 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
14861 based on arch size.
14863 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
14865 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
14868 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
14870 1999-08-02 Richard Henderson <rth@cygnus.com>
14872 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
14873 for the register spill block.
14874 (m32r_va_arg): New.
14875 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
14876 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
14878 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
14879 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
14880 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
14882 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14884 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
14885 MAX_WCHAR_TYPE defined in sparc.h.
14886 * config/sparc/linuxaout.h: Likewise.
14887 * config/sparc/linux64.h: Likewise.
14888 Also default to -mvis if CPU is UltraSPARC.
14890 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14892 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
14893 (RTX_OK_FOR_OLO10): Likewise.
14894 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
14895 %lo(), allow it in addresses...
14896 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
14897 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
14898 does not make sense.
14899 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
14900 (sparc_output_scratch_registers): New function.
14901 (output_function_prologue, sparc_flat_output_function_prologue): Use
14903 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
14905 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
14906 * configure.in: Add check for .register pseudo-op support in as and
14907 check for offsetable %lo().
14908 * acconfig.h: Add templates for the above checks.
14909 * configure: Regenerate.
14911 1999-08-02 Richard Henderson <rth@cygnus.com>
14913 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
14914 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
14915 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
14917 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14919 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
14922 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14924 * config/float-sparc.h: New file.
14925 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
14926 sparc-*-linux-gnu and sparc64-*-linux*.
14928 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14930 * rs6000.c (rs6000_va_list): Type is an array.
14931 (rs6000_va_start): Don't doubly adjust for varargs.
14932 (rs6000_va_arg): Evaluate long long GPR adjustment.
14934 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
14936 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
14937 -maix64 and -maix32.
14938 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
14939 LINK_SPEC): Change appropriately.
14940 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
14941 (u_short_cint_operand): Likewise.
14942 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
14944 * rs6000/t-aix43 (MULTILIB): Change to -m64.
14946 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
14948 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
14950 * rs6000/rs6000.c (num_insns_constant_wide): Correct
14951 for type promotion.
14952 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
14953 (non_add_cint_operand): Likewise.
14954 (logical_operand): Likewise.
14955 (non_logical_cint_operand): Likewise.
14956 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
14957 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
14958 (rs6000_select_rtx_section): Suppress warning.
14959 (small_data_operand): Suppress warning.
14960 (rs6000_got_register): Suppress warning.
14961 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
14962 type, so `J' is generally the wrong constraint for a SImode value;
14964 (andsi3_internal2): Likewise.
14965 (andsi3_internal3): Likewise.
14966 (iorsi3_internal1): Likewise.
14967 (xorsi3_internal1): Likewise.
14969 (movsf_softfloat): Likewise.
14970 (scc insns): Likewise.
14971 (movsi+2): Preserve sign bits of SImode constant.
14972 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
14973 (movdf+1): Sign-extend properly.
14974 (movdi_32+1): Sign-extend properly.
14975 (scc insns): Sign-extend properly.
14977 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
14980 1999-08-02 Richard Henderson <rth@cygnus.com>
14982 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
14983 -mcpu parsing code.
14984 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
14985 * alpha.md (all fp insns): Likewise.
14987 1999-08-02 Nick Clifton <nickc@cygnus.com>
14989 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
14992 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
14994 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
14995 pic_load_label generator directly.
14996 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
14997 No longer a named pattern.
14999 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15001 * explow.c (force_reg): Call force_operand if X does not
15002 satisfy general_operand.
15004 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15006 * fix-header.c (main): When testing for CONTINUED, use string
15007 equality, not pointer equality.
15009 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15011 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15013 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15015 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15016 that has become an unconditional jump.
15018 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15019 (output_function_epilogue): Similarly.
15021 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15023 * tree.h (init_dummy_function_start): Declare.
15025 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15027 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15028 last_expr_type, last_expr_value, block_start_count, block_stack,
15029 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15030 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15031 dynamically in stmt elt of struct function for each function.
15032 (struct nesting): Rename function_call_count elt to n_function_calls,
15033 target_temp_slot_level to block_target_temp_slot_level. All users
15035 (struct stmt_status): New structure definition.
15036 Add many accessor macros for stmt_status elements which previously
15037 were global variables.
15038 (init_stmt_for_function): Allocate stmt elt for current_function.
15039 Reflect that block_start_count was renamed to
15040 current_block_start_count.
15041 (save_stmt_status, restore_stmt_status): Delete functions.
15042 (preserve_subexpressions_p): Don't access loop_stack when outside
15044 (expand_start_bindings): Reflect that block_start_count was renamed to
15045 current_block_start_count.
15046 (expand_fixup): Likewise.
15047 (expand_decl): Don't access block_stack when outside a function.
15048 (expand_decl_cleanup): Likewise.
15049 (expand_dcc_cleanup): Likewise.
15050 (expand_dhc_cleanup): Likewise.
15051 (expand_anon_union_decl): Likewise.
15052 (set_file_and_line_for_stmt): New function.
15053 (in_control_zone_p): New function.
15055 * function.h (struct function): Add new elt stmt.
15056 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15057 case_stack, nesting_stack, nesting_depth, block_start_count,
15058 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15059 emit_lineno, goto_fixup_chain.
15060 (save_eh_status, restore_eh_status, save_stmt_status,
15061 restore_stmt_status): Delete declarations.
15062 * function.c (push_function_context_to): Don't call save_stmt_status.
15063 (pop_function_context_to): Don't call restore_stmt_status.
15064 * tree.h (in_control_zone_p): Declare.
15065 * rtl.h (set_file_and_line_for_stmt): Declare.
15067 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15068 call set_file_and_line_for_stmt.
15070 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15072 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15073 Also update copyright.
15075 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15077 * c-pragma.c: Don't include "except.h".
15078 * emit-rtl.c: Likewise.
15079 * stor-layout.c: Likewise.
15080 * tree.c: Likewise.
15081 * varasm.c: Likewise.
15083 * flow.c: Include "function.h".
15084 * tree.h (init_dummy_function_start): Declare new function.
15086 * except.h (struct eh_status): New structure.
15087 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15089 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15090 catch_clauses, false_label_stack, caught_return_label_stack,
15091 protect_list, current_function_ehc): Add accessor macros for the
15092 corresponding fields in current_function->eh; delete declarations
15093 for all items that used to be declared here.
15094 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15095 catch_clauses, false_label_stack, caught_return_label_stack,
15096 protect_list, current_function_ehc): Delete variables.
15097 (init_eh_for_function): Allocate current_function->eh.
15098 (save_eh_status, restore_eh_status): Delete functions.
15100 * function.h (struct function): Add fields next_global and eh.
15101 Delete all exception handling related fields.
15102 * function.c (current_function): New variable.
15103 (all_functions): New variable.
15104 (push_function_context_to): Don't allocate a struct function,
15105 use current_function instead. Call init_dummy_function_start when
15106 outside a function. Clear current_function before returning.
15107 (pop_function_context_from): Restore current_function.
15108 Don't free the restored struct function.
15109 (prepare_function_start): New function.
15110 (init_dummy_function_start): New function.
15111 (init_function_start): Break out some code into prepare_function_start
15114 * stmt.c (save_stmt_status): Don't call save_eh_status.
15115 (restore_stmt_status): Don't call restore_eh_status.
15117 * Makefile.in: Update dependencies.
15119 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15121 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15122 of depending on a magic constant value. Update comments.
15123 (hppa_expand_prologue): Similarly.
15125 * pa.md (reload_indi, reload_outdi): Allow any register for the
15126 original reload register.
15128 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15130 * cccp.c (print_help): Change marcos to macros.
15132 1999-07-30 Richard Henderson <rth@cygnus.com>
15134 * c-typeck.c (initializer_constant_valid_p): Move ...
15135 * c-common.c (initializer_constant_valid_p): ... here. Use
15136 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15137 of label addresses.
15138 * c-common.h (initializer_constant_valid_p): Declare.
15139 * c-tree.h (initializer_constant_valid_p): Remove.
15141 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15143 * config/i386/sol2-c1.asm: Align the stack.
15144 * config/i386/sol2-gc1.asm: Likewise.
15146 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15148 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15149 -Asparclite for sparc86x.
15150 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15152 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15154 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15156 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15157 the user if using the non-default arch size in BI_ARCH configuration.
15158 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15160 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15161 Fix patterns so that they actually match.
15162 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15163 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15164 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15166 (mulsidi3): Reflect this in the expand.
15167 (smulsi3_highpart): Only on TARGET_ARCH32.
15168 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15169 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15170 (umulsidi3): Reflect this in the expand.
15171 (umulsi3_highpart): Only on TARGET_ARCH32.
15172 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15173 don't require g0 to be zero.
15174 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15175 ({,u}divsi3): New expands.
15176 ({,u}divsi3_sp64): New patterns.
15177 (after lshrdi3_v8plus): Four new patterns to help combiner
15178 optimizing nested mixed mode shifts.
15180 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15181 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15182 speed things up. Don't use them by default on plain v9 in 64bit
15183 mode, according to what SPAMv9 sais.
15185 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15186 top 32 bits of %[og][0-7] in signal handlers.
15187 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15189 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15191 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15192 (ashlsi3): Corresponding changes.
15194 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15196 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15198 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15200 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15202 * arm.h (Hint): Delete macro.
15203 Substitute HOST_WIDE_INT for Hint in some prototypes.
15204 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15206 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15208 * builtins.c (expand_builtin_setjmp): Use force_operand to
15209 make sure that the buffer address is in a suitable form to be
15210 passed to force_reg.
15212 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15214 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15217 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15219 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15220 proper mode in the condition string.
15221 (icacheflush, dcacheflush): Remove modes from match_operands.
15223 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15224 proper mode before using it.
15226 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15229 * pa.c (store_reg): Do not call add_high_const generator directly.
15230 (load_reg, set_reg_plus_d): Likewise.
15231 * pa.md (add_high_const): No longer a named pattern.
15233 * pa.c (legitimize_address): Consistently use Pmode rather than
15234 SImode. Do not call gen_pic2_highpart directly anymore.
15235 * pa.md (pic2_highpart): No longer a named pattern.
15236 (pic2_lo_sum): Similarly. Reformat to make more readable.
15238 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15243 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15245 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15247 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15249 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15250 and tag the spill mems.
15251 (hppa_va_start): New.
15252 (hppa_va_arg): New.
15253 * pa.h (EXPAND_BUILTIN_VA_START): New.
15254 (EXPAND_BUILTIN_VA_ARG): New.
15256 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15258 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15259 and tag the spill mems.
15260 (mn10300_va_start): New.
15261 (mn10300_va_arg): New.
15262 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15263 (EXPAND_BUILTIN_VA_ARG): New.
15265 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15267 * mn10200.c (mn10200_va_arg): New.
15268 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15270 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15272 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15273 rather than play with TREE_INT_CST_LOW.
15275 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15277 * config/arm/telf.h: Include dbxelf.h.
15278 (CPP_PREDEFINES): Only define if not already defined.
15279 (ASM_IDENTIFY_GCC): Likewise.
15280 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15281 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15282 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15284 (DBX_DEBUGGING_INFO): Don't define.
15285 * config/arm/linux-telf.h: New file.
15286 * config/arm/linux-tgas.h: New file.
15287 * config/arm/t-thumb-linux: New file.
15288 * config/arm/uclinux-elf.h: New file.
15289 * config/arm/uclinux-telf.h: New file.
15290 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15291 thumb-*-uclinux): New targets.
15292 * configure: Regenerate.
15294 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15296 * pa.md (post_store, pre_load): New expanders.
15297 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15298 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15299 need to directly generate RTL for them.
15300 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15303 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15305 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15306 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15307 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15308 (secndary_reload_class): Make TARGET_ELF conditional compile.
15309 (print_operand_address): Similar.
15310 (output_toc): Print all values as hex.
15311 (get_issue_rate): Rearrange and add RS64A and PPC630.
15312 * rs6000.h (processor_type): Add RS64A and PPC630.
15313 (PROCESSOR_POWERPC64): New.
15314 (PROMOTE_MODE): Use word_mode.
15315 (RTX_COSTS): Add RS64A and PPC630.
15316 * rs6000.md (scheduling information): Add lmul and ldiv
15317 representing 64-bit integer multiply and divide. Add rs64a and
15318 PPC630 information.
15319 (ashldi3): Add support for "rldic" instruction.
15320 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15322 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15324 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15325 instead of V8 for sparclite86x in cpu_table.
15327 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15329 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15330 output_file_directive.
15332 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15334 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15335 tree for op1, not the rtl.
15337 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15339 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15340 to m88k_va_start, leaving only the register spill.
15341 (m88k_build_va_list): New.
15342 (m88k_va_start): New.
15343 (m88k_va_arg): New.
15344 * m88k.h (BUILD_VA_LIST_TYPE): New.
15345 (EXPAND_BUILTIN_VA_START): New.
15346 (EXPAND_BUILTIN_VA_ARG): New.
15348 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15350 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15351 Rename from expand_builtin_saveregs.
15352 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15354 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15356 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15357 for the register spill block.
15358 (i960_build_va_list): New.
15359 (i960_va_start): New.
15360 (i960_va_arg): New.
15361 * i960.h (BUILD_VA_LIST_TYPE): New.
15362 (EXPAND_BUILTIN_VA_START): New.
15363 (EXPAND_BUILTIN_VA_ARG): New.
15364 * i960.md (store_multiple): Use change_address on individul mems.
15366 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15368 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15370 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15371 (expand_builtin_va_end): Evaluate arg for side effects.
15372 * c-common.c (c_common_nodes_and_builtins): Construct a
15373 va_list_arg_type_node to handle array decomposition to pointer.
15375 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15377 * except.c (start_dynamic_cleanup): Use force_operand on the
15380 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15382 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15383 * c4x.c (c4x_va_arg): New.
15385 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15387 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15388 has manual_pop set.
15390 1999-07-26 Nathan Sidwell <nathan@acm.org>
15392 * eh-common.h (__eh_matcher): Prototype correctly.
15394 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15396 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15397 (TARGET_SINGLE_PIC_BASE): Likewise.
15398 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15400 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15401 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15402 (TARGET_OPTIONS): Add -mpic-register=N.
15403 (OUTPUT_INT_ADDR_CONST): New macro.
15404 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15405 LEGITIMATE_PIC_OPERAND_P): Likewise.
15406 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15407 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15408 output_addr_const directly.
15409 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15411 (thumb_pic_register, thumb_pic_register_string): Declare.
15413 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15415 (label_mentioned_p): New function: Imported from arm.c.
15416 (legitimize_pic_address): New function: Imported from arm.c.
15417 (is_pic):New function: Imported from arm.c.
15418 (thumb_finalize_pic):New function: Imported from arm.c.
15419 (add_constant): Cope with PIC constants.
15420 (fixit): Cope with PIC constants.
15421 (output_return): Do not treat the PIC register as live if
15422 TARGET_SINGLE_PIC_BASE is true.
15423 (thumb_function_prologue): Do not treat the PIC register as live if
15424 TARGET_SINGLE_PIC_BASE is true.
15425 (thumb_expand_prologue): Do not treat the PIC register as live if
15426 TARGET_SINGLE_PIC_BASE is true.
15427 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15428 TARGET_SINGLE_PIC_BASE is true.
15429 (thumb_print_operand): Accept '|'.
15430 (thumb_override_options): Process PIC options.
15432 * config/arm/thumb.md (movsi): Support PIC.
15433 (call_insn): Change "i" constraint to "X".
15434 (call_value_insn): Likewise.
15435 (consttable_4, consttable_8, consttable_end): Set and clear
15436 "making_const_table" as appropriate.
15437 (pic_load_addr, pic_add_dot_plus_four): New insns.
15439 * invoke.texi (Thumb Options): Fix spelling. Document new
15440 options -msingle-pic-base and -mpic-register=.
15442 1999-07-26 Andrew Haley <aph@cygnus.com>
15444 * config/m32r/initfini.c (__init): Use a full word immediate for
15445 __fini: this allows it to be placed in any memory region.
15447 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15448 -mmodel=medium. This is OK for all memory models.
15450 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15452 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15453 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15455 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15457 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15460 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15462 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15464 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15465 (BUILD_VA_LIST_TYPE): New.
15466 (EXPAND_BUILTIN_VA_START): New.
15467 (EXPAND_BUILTIN_VA_ARG): New.
15468 * i860.c (output_delayed_branch): Disable.
15469 (output_delay_insn): Likewise.
15470 (i860_saveregs): New.
15471 (i860_build_va_list): New.
15472 (i860_va_start): New.
15473 (i860_va_arg): New.
15474 * i860.md: Disable all peepholes using output_delayed_branch.
15475 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
15477 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
15479 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
15480 (BUILD_VA_LIST_TYPE): New.
15481 (EXPAND_BUILTIN_VA_START): New.
15482 (EXPAND_BUILTIN_VA_ARG): New.
15483 * clipper.c (clipper_builtin_saveregs): Only dump registers.
15484 Return the address of the save area.
15485 (clipper_build_va_list): New.
15486 (clipper_va_start): New.
15487 (clipper_va_arg): New.
15489 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
15491 * arc.h (EXPAND_BUILTIN_VA_START): New.
15492 (EXPAND_BUILTIN_VA_ARG): New.
15493 * arc.c (arc_setup_incoming_varargs): Set alias set of
15495 (arc_va_start): New.
15498 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
15500 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
15501 (BUILD_VA_LIST_TYPE): New.
15502 (EXPAND_BUILTIN_VA_START): New.
15503 (EXPAND_BUILTIN_VA_ARG): New.
15504 * alpha.c (alpha_builtin_saveregs): Delete.
15505 (alpha_build_va_list): New.
15506 (alpha_va_start): New.
15507 (alpha_va_arg): New.
15509 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
15511 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
15513 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
15514 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
15516 * gcc.texi: More changes related to list conversion.
15517 * invoke.texi: Likewise.
15519 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
15521 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
15522 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
15523 (expand_builtin_next_arg): Accept ARGLIST not EXP.
15524 (stabilize_va_list): New function.
15525 (std_expand_builtin_va_start): New function.
15526 (expand_builtin_va_start): New function.
15527 (get_varargs_alias_set): New function.
15528 (std_expand_builtin_va_arg): New function.
15529 (expand_builtin_va_arg): New function.
15530 (expand_builtin_va_end): New function.
15531 (expand_builtin_va_copy): New function.
15532 (expand_builtin): Call them.
15533 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
15534 __builtin_{varargs_start,stdarg_start,end,copy}.
15535 (build_va_arg): New function.
15536 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
15537 (build_va_arg): Declare.
15538 * c-decl.c (ptr_type_node, va_list_type_node): New.
15539 * c-parse.gperf (__builtin_va_arg): New.
15540 * c-parse.in (VA_ARG): New token.
15541 (unary_expr): Recognize it.
15542 * expr.c (expand_expr): Expand VA_ARG_EXPR.
15543 * expr.h (std_expand_builtin_va_start): Declare.
15544 (std_expand_builtin_va_arg): Declare.
15545 (expand_builtin_va_arg): Declare.
15546 (get_varargs_alias_set): Declare.
15547 * tree.def (VA_ARG_EXPR): New.
15548 * tree.h (BUILT_IN_VARARGS_START): New.
15549 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
15550 (ptr_type_node, va_list_type_node): Declare.
15551 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
15552 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
15553 * m88k.h, m88k.c: Likewise.
15554 * mn10300.h, mn10300.c: Likewise.
15555 * pa.h, pa.c: Likewise.
15556 * rs6000.h, rs6000.c: Likewise.
15557 * sh.h, sh.c: Likewise.
15558 * sparc.h, sparc.c: Likewise.
15560 * emit-rtl.c (operand_subword): Copy alias set.
15561 (change_address): Likewise.
15563 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
15565 * pa.c (compute_frame_size): Scan all the used callee saved registers,
15566 not just the first one.
15568 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
15570 * config/arm/arm.h (TARGET_SWITCHES): Add
15571 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
15572 (TARGET_OPTIONS): Add -mpic-register=.
15573 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
15574 (arm_pic_register_string): Declare.
15575 (NEED_PLT_GOT): Delete, replace with ...
15576 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
15577 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
15578 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
15579 * config/arm/arm.c (arm_override_options): Add new option
15581 (arm_pic_register_string): New variable.
15582 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
15583 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
15584 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
15585 (output_return_instruction): Likewise.
15586 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
15587 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
15588 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
15590 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
15591 mention of -msched-prolog. Document new options -msingle-pic-base
15592 and -mpic-register=.
15594 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
15596 * haifa-sched.c (reemit_notes): Tidy.
15597 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
15600 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
15602 * explow.c (trunc_int_for_mode): New function.
15603 (plus_constant_wide): Use it.
15604 * combine.c (simplify_and_const_int): Likewise.
15605 (merge_outer_ops): Likewise.
15606 (simplify_shift_const): Likewise.
15607 * cse.c (simplify_unary_operation): Likewise.
15608 (simplify_binary_operation): Likewise.
15609 * emit-rtl.c (operand_subword): Likewise.
15610 * rtl.h: Declare it.
15612 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15614 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
15615 (use NUM_REGS instead of NUM_INTS).
15617 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15619 * builtins.c: New file.
15620 * expr.c (saveregs_value, apply_args_value): Delete definition,
15621 moved into builtins.c.
15622 (string_constant): No longer static.
15623 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
15624 apply_args_size, apply_result_size, result_vector,
15625 expand_builtin_apply_args, expand_builtin_apply,
15626 expand_builtin_return): Delete functions, moved into builtins.c.
15627 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
15628 * expr.h (saveregs_value, apply_args_value): Declare variables.
15629 (expand_builtin, string_constant): Declare functions.
15630 * Makefile.in: Update to build builtin.o.
15632 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15634 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
15635 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
15636 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
15637 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
15639 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
15642 1999-07-21 Michael Meissner <meissner@cygnus.com>
15644 * print-rtl.c (print_rtx): Print the names of the virtual
15647 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
15649 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
15650 introduced in previous delta.
15652 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15654 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
15655 to avoid name clash.
15657 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15659 * c-lex.c (yylex) : Correct the test for overflow when lexing
15662 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
15664 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
15665 (adjust_priority): Always call ADJUST_PRIORITY.
15666 (schedule_insn): Only put insns into the ready at cost 0.
15667 (schedule_block): Remove redundant initial sort. Give clock_var
15668 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
15670 * tm.texi (MD_SCHED_REORDER): Update docs.
15672 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
15673 * sparc.c (ultra_reorder_called_this_block): Delete.
15674 (ultrasparc_sched_init): Don't set it.
15675 (ultrasparc_sched_reorder): Don't check it.
15677 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
15679 * rs6000.h (struct rs6000_args): Add sysv_gregno.
15680 * rs6000.c (init_cumulative_args): Init sysv_gregno.
15681 (function_arg_boundary): Align DFmode.
15682 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
15683 to get fp reg and stack overflow correct.
15684 (function_arg): Likewise.
15685 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
15686 (setup_incoming_varargs): Restructure for ABI_V4; use
15687 function_arg_advance to skip final named argument.
15688 (expand_builtin_saveregs): Properly unskip the last integer arg
15689 when doing varargs. Adjust overflow location calculation.
15691 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
15692 explicitly unsigned.
15693 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
15694 (__VA_GP_REGSAVE): Similarly.
15695 (__va_longlong_p): Delete.
15696 (__va_arg_type_violation): New declaration.
15697 (va_arg): Restructure. Flag promotion errors. Align double.
15698 TFmode passed by reference.
15700 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
15701 in the HOST_BITS_PER_WIDE_INT > 32 case.
15703 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
15705 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
15707 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
15709 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
15710 * toplev.c (documented_lang_options): Add -fpreprocessed.
15711 * cpplib.h (struct cpp_buffer): Add preprocessed.
15712 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
15713 (cpp_start_read): Don't expand macros or emit an initial #line
15714 directive if -fpreprocessed.
15716 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15718 * cpplib.h (struct cpp_buffer): Added manual_pop for
15719 better C++ tokenization.
15720 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
15721 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
15722 * c-common.c (cpp_token): Make non-static.
15724 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15726 * c-common.h: New file.
15727 * c-common.c (permanent_obstack): Delete unused declaration.
15728 (c_global_trees): New array.
15729 (c_common_nodes_and_builtins): New function; split off common code
15730 from init_decl_processing in both c-decl.c and cp/decl.c.
15731 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
15732 c_global_trees and accessor macros defined in c-common.h.
15733 Include c-common.h.
15734 * c-decl.c: Delete definitions for tree nodes that were replaced by
15736 (init_decl_processing): Build void_list_node.
15737 Call c_common_nodes_and_builtins; delete code to generate the common
15739 * objc/objc-act.c (build_module_descriptor): Rename variable
15740 void_list_node to avoid clash with c-common.h.
15742 * Makefile.in: Update dependencies.
15743 * objc/Make-lang.in: Likewise.
15745 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
15747 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
15748 (UNIQUE_SECTION_P): Likewise.
15749 (UNIQUE_SECTION): Likewise.
15751 1999-07-19 Linas Vepstas <linas@linas.org>
15753 * config/i370/README: New file.
15754 * config/i370/linux.h: New file.
15755 * config/i370/mvs.h: New file.
15756 * config/i370/oe.h: New file.
15757 * config/i370/t-linux: New file.
15758 * config/i370/t-mvs: New file.
15759 * config/i370/t-oe: New file.
15760 * config/i370/x-oe: New file.
15761 * config/i370/xm-linux.h: New file.
15762 * config/i370/xm-mvs.h: New file.
15763 * config/i370/xm-oe.h: New file.
15765 * i370.c (label_node_t): Add first_ref_page, label_addr,
15766 label_first_ref, label_last_ref members.
15767 (mvs_need_base_reload): Renamed from mvs_label_emitted.
15768 (MAX_MVS_LABEL_SIZE): Define.
15769 (MAX_LONG_LABEL_SIZE): Define.
15770 (alias_node_t, alias_anchor, alias_number): New.
15771 (mvs_function_table): Reorder for EBCDIC.
15772 (ascebc, ebcasc): Unconditionally define.
15773 (i370_branch_dest, i370_branch_length): New functions.
15774 (i370_short_branch, i370_label_scan): New functions.
15775 (mvs_get_label): Renamed from mvs_add_label. Search for
15776 an existing label before creating a new one.
15777 (mvs_add_label): New function.
15778 (mvs_get_label_page): New function.
15779 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
15780 over the entire list.
15781 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
15782 (mvs_check_page) [TARGET_ELF_ABI]: New function.
15783 (mvs_add_alias, mvs_need_alias): New functions.
15784 (mvs_get_alias, mvs_check_alias): New functions.
15785 (handle_pragma): New function.
15786 (mvs_function_check): New function.
15787 (unsigned_jump_follows_p): Search harder.
15788 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
15789 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
15790 * i370.h (TARGET_VERSION): Delete.
15791 (CPP_SPEC, CPP_PREDEFINES): Delete.
15792 (mvs_label_emitted): Delete.
15793 (TARGET_EBCDIC): Delete.
15794 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
15795 (HANDLE_PRAGMA): Define.
15796 (HARD_REGNO_NREGS): Handle complex modes.
15797 (HARD_REGNO_MODE_OK): Likewise.
15798 (CLASS_MAX_NREGS): Likewise.
15799 (RET_REG): Likewise.
15800 (EXTRA_CONSTRAINT): Define.
15801 (RETURN_IN_MEMORY): True for DImode.
15802 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
15803 (FUNCTION_PROFILER): Delete.
15804 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
15805 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
15806 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
15807 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
15808 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
15809 (ASM_FILE_START): Add "RMODE ANY".
15810 (ASM_OUTPUT_EXTERNAL): Check for aliases.
15811 (ASM_GLOBALIZE_LABEL): Likewise.
15812 (ASM_OUTPUT_LABELREF): Likewise.
15813 (ASM_OUTPUT_COMMON): Likewise.
15814 (PRINT_OPERAND): Handle 'K', 'W', default.
15815 (PRINT_OPERAND_ADDRESS): New.
15816 (Lots of defines): Add support for TARGET_ELF_ABI.
15817 * i370.md (attr length): New. Define for all patterns.
15818 (*): Lots of tweeks to assembly output and constraints.
15820 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
15822 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
15823 Disable patterns performing SImode comparisons with SImode values
15824 if TARGET_POWERPC64 and instruction does not sign-extend or does
15825 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
15826 differ for signed quantities.
15827 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
15828 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
15829 (decrement_and_branch_on_count): Add 64-bit variant.
15831 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15833 * final.c (output_asm_insn): When searching for the matching string
15834 for a given dialect, don't run past the end of the list of
15835 alternatives if there are fewer alternatives in the template than
15838 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
15840 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
15841 Removed paragraph about compression of files and size limitation,
15842 duplicated in the FAQ. Use gcc-patches for posting patches.
15843 * gcc.c (main): Updated URL with bug reporting instructions to
15844 gcc.gnu.org. Removed e-mail address.
15845 * system.h (abort): Likewise.
15847 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15849 * Makefile.in (stmp-multilib-sub): Make the files extracted
15850 from $(LIBGCC1) writable.
15852 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
15854 * config/arm/aout.h: Reformat for improved readability.
15856 * config/arm/arm.h: Reformat for improved readability.
15857 Replace uses of fprintf with asm_fprintf where appropriate.
15858 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
15859 function declaration assembler actions.
15860 (NUM_INTS): New macro: Convert from bytes to words.
15861 (NUM_REGS): New macro: Compute number of registers required to
15862 hold a quanitity of tyep MODE.
15863 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
15865 (NUM_ARG_REGS): New macro: The number of argument registers
15867 (ARG_REGISTER): New macro: Compute the register number of the Nth
15869 (LAST_ARG_REGNUM): New macro: The number of the last argument
15871 (SP_REGNUM): New macro: Register number of the stack pointer.
15872 (FP_REGNUM): New macro: Register number of the frame pointer.
15873 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
15874 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
15875 CUMULATIVE_ARGS so that it counts registers not bytes.
15877 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
15879 Replace uses of fprintf with asm_fprintf where appropriate.
15880 (output_ascii_pseudo_op): Replace with version from thumb.c
15882 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
15884 * config/arm/elf.h (CPP_PREDEFINES): Replace with
15885 SUBTARGET_CPP_SPEC.
15886 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
15887 (ASM_FILE_START): Emit ASM_APP_OFF.
15889 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
15891 * pa.c (compute_frame_size): Round frame according to
15892 STACK_BOUNDARY rather than a hardwired value.
15894 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
15896 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
15898 * configure: Rebuilt.
15900 * configure.in (hppa*-*-linux*): New configuration.
15901 * configure: Rebuilt.
15902 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
15903 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
15904 * pa/pa-linux.h: New file.
15905 * pa/t-linux: New file.
15906 * pa/xm-linux.h: New file.
15908 * pa.c (hppa_legitimize_address): Change references from SImode to
15909 either Pmode or word_mode as appropriate.
15910 (emit_move_sequence, store_reg, load_reg): Likewise.
15911 (set_reg_plus_d, hppa_expand_prologue): Likewise.
15912 (output_mul_insn): Likewise.
15913 * pa.h (PROMOTE_MODE): Likewise.
15914 (INITIALZE_TRAMPOLINE): Likewise.
15915 (Pmode): Define to word_mode.
15917 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
15918 value of 4. Allocate 8 bytes for each FP register save.
15919 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
15921 (hppa_expand_prologue): Likewise.
15922 * pa.h (PROMOTE_MODE): Likewise.
15923 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
15924 (FUNCTION_ARG_BOUNDARY): Likewise.
15926 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
15928 * pa.c (out_of_line_prologue_epilogue): Delete.
15929 (override_options): Remove -mspace related code.
15930 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
15931 (compute_frame_size): Only allocate space for register that
15932 actually need to be saved.
15933 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
15934 (TARGET_SWITCHES): Remove -mspace, -mno-space
15935 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
15936 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
15937 * pa/ee.asm, pa/ee_fp.asm: Delete.
15939 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
15941 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
15942 directive in column zero.
15944 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
15946 * m68k.c (output_function_prologue): Fix computation of save mask
15947 when generating PIC code.
15949 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
15951 * tree.c (build_type_attribute_variant): Move current_obstack restore
15952 after build_qualified_type call.
15954 1999-07-15 Mark Mitchell <mark@codesourcery.com>
15956 * configure.in: Use t-iris6, even with GNU LD.
15957 * config/mips/iris6gld.h: Fix typo in linker spec.
15958 * config/mips/t-iris6gld: Remove.
15960 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
15962 * rs6000.md (insv, extzv): Remove SImode dependence in named
15963 patterns. Explicitly generate DImode RTL if PowerPC64 and
15965 (insvdi): Reverse start and size in instruction template.
15967 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
15969 * invoke.texi: Typo fixes.
15971 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
15973 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
15974 handle at this time instead of silently generating incorrect code.
15975 (gen_imagpart): Likewise.
15977 * reload.c (find_reloads): Emit a USE for a pseudo register without
15978 a hard register if we could not create an optional reload for the
15981 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15983 * c-typeck.c (output_init_element, process_init_element):
15984 When advancing constructor_unfilled_fields for a RECORD_TYPE,
15985 check for nameless bit fields.
15987 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
15989 * regclass.c (scan_one_insn): Notice subregs that change the
15990 size of their operand.
15991 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
15993 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
15995 * configure.in (alpha*-*-*): Include alpha/t-ieee.
15996 * configure: Rebuilt.
15997 * alpha/t-ieee: New file.
15999 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16001 * rs6000.c (find_addr_reg): Do not select r0 as an address
16004 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16006 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16008 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16010 * rs6000.md (movsf): Do not force easy FP constants into memory.
16012 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16013 immed_double_const to ensure they are properly truncated then
16016 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16018 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16019 always unless NO_DEBUG is used. Compile this code
16021 (replace_symbols_in_block): Compile it unconditionally.
16023 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16025 * configure.in (i?86-*-elf*): New target.
16026 * configure: Rebuilt.
16027 * i386/i386elf.h, i386/t-i386elf: New files.
16029 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16031 * toplev.c (main): Don't complain about saying -gdwarf.
16032 (rest_of_compilation): Remove redundant code.
16034 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16036 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16038 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16040 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16041 "Li960R:", to avoid name clash.
16043 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16045 * loop.c (check_dbra_loop): When reversing a loop, delete all
16046 REG_EQUAL notes referencing the reversed biv except those which are
16047 for a giv based on it.
16049 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16051 * version.c: Drop "gcc-" prefix from version #.
16053 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16055 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16056 the label if we're being verbose.
16058 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16060 * m68k.c (output_function_prologue): Add pic register to mask
16061 if live and flag_pic.
16062 (output_function_epilogue): Likewise.
16064 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16066 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16067 directives in column zero.
16069 * pa/elf.h (ASM_FILE_START): Define.
16070 * pa/som.h (ASM_FILE_START): Include .level directives.
16071 * pa/hpux10.h (ASM_FILE_START): Delete.
16072 * pa/hpux11.h (ASM_FILE_START): Delete.
16074 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16076 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16078 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16079 when reload_out equals reload_in.
16081 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16083 * invoke.texi (Spec Files): New node: Describe the contents of
16086 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16088 * invoke.texi (DEC Alpha Options): Put @end table at
16089 beginning of line, to avoid confusing texi2html.
16091 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16093 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16094 introduced in previous delta.
16096 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16098 * reload1.c (gen_reload): When synthesizing a 3 operand add
16099 sequence, improve test for when to reload OP1 into the reload
16100 register instead of OP0.
16102 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16104 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16106 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16108 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16111 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16113 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16114 (va_dcl): Use __builtin_va_alist_t.
16116 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16118 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16119 on the permanent_obstack.
16120 * dwarfout.c (output_type): Likewise.
16122 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16124 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16125 Merged from c-typeck.c and cp/typeck.c.
16126 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16127 Merged into c-common.
16129 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16131 * c-lex.c (errorcount): Declare it.
16132 (finish_parse): Update errorcount when using CPPLIB.
16134 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16136 * fixinc/inclhack.def(end_else_label): Double the backslash so
16137 sed gets a chance to see it.
16138 * fixinc/inclhack.sh: regen
16139 * fixinc/fixincl.x: regen
16141 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16143 Add framework to support armv5 architecture when it becomes
16146 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16147 (arm_arch5): New variable.
16148 (all_architectures): Add armv5 line.
16149 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16150 -march=armv5 is specified on the command line.
16151 (arm_arch5): Export this variable.
16152 * invoke.texi: Document new string accepted by -march= switch for
16155 * config/arm/arm.h: Replace use of constant 12 as a register
16156 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16157 * config/arm/arm.c: Replace use of constant 12 as a register
16158 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16160 * config/arm/elf.h: Tidy up.
16161 * config/arm/coff.h: Tidy up.
16163 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16165 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16166 * gcc/config/mips/t-iris6gld: New file.
16167 * gcc/config/mips/iris6gld.h: Likewise.
16169 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16171 * c-decl.c (widest_integer_literal_type_node,
16172 widest_unsigned_literal_type) : New.
16173 (init_decl_processing): Handle/use the two new types.
16174 * c-common.c (type_for_size,type_for_mode) : Same.
16175 * c-lex.c (yylex) : Same.
16176 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16178 * c-tree.h (widest_integer_literal_type_node,
16179 widest_unsigned_literal_type) : New.
16181 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16183 * dwarfout.c (field_byte_offset): Correctly compute the object's
16184 byte offset for the first bit of a field which crosses an alignment
16185 boundary on a !BYTES_BIG_ENDIAN target.
16187 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16189 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16192 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16193 Jeff Law <law@cygnus.com>
16195 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16198 * except.c: Include intl.h.
16199 (expand_eh_return): Set current_function_cannot_inline.
16200 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16201 * function.h (struct function): Add eh_return_stub_label.
16202 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16203 * Makefile.in (except.o): Depend on intl.h.
16205 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16207 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16208 same as offsettable in cases 1 and 2.
16210 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16212 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16213 (extlh, extwh): Likewise.
16215 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16217 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16219 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16221 * configure.in: Add arm-pe and thumb-pe targets.
16222 * configure: Regenerate.
16224 * thumb.c (arm_naked_function_p): New function: Determines if
16225 a function is naked (has no gcc generated prologue/epilogue).
16226 (is_called_in_ARM_mode): Return true if the func has the
16227 interfacearm attribute.
16228 (output_return): Do not generate a return for naked functions.
16229 (thumb_function_prologue): Do not generate a prologue for
16231 (thumb_expand_prologue): Do not generate a prologue for naked
16233 (thumb_expand_epilogue): Do not generate an epilogue for naked
16235 (arm_valid_machine_decl_attribute): New function, copied from
16236 arm.c: Permit naked and interfacearm attributes.
16238 * config/arm/pe.c: New file: Support code for arm-pe target.
16239 * config/arm/pe.h: New file: Header file for arm-pe target.
16240 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16241 * config/arm/t-thumb-pe: New file: Makefile fragment for
16244 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16246 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16247 -fPIC or -fpic is specified.
16249 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16251 * expr.c (emit_block_move): Use copy_to_mode_reg for
16252 !TARGET_MEM_FUNCTIONS case too.
16254 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16256 * configure: Rebuilt.
16257 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16258 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16259 definitions made redundant by dbxelf.h inclusion. Delete
16260 lots of definitions related to assembly output that are
16261 specific to the SOM object format.
16262 * pa.c (output_function_prologue): Do not emit the function's
16264 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16265 * pa-pro.h: Deleted.
16266 * som.h: New file with SOM specific definitions.
16267 * elf.h: New file with ELF specific definitions.
16269 * elfos.h (const_section): Output a tab before assembler directives.
16270 (ctors_section, dtors_section): Likewise.
16271 (ASM_OUTPUT_SECTION_NAME): Likewise.
16273 * pa/pa1.h: Delete unused file.
16275 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16277 * configure.in (hppa*-hp-hpux11*): New configuration.
16278 * configure: Rebuilt.
16279 * pa/pa-hpux11.h: New file.
16280 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16283 * mips.md (leasi, leadi): New patterns.
16285 * expr.c (emit_block_move): Properly handle case where one of the
16286 block move arguments has a queued increment or decrement.
16287 (clear_storage): Similarly. Fix formatting goof.
16289 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16291 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16292 semicolon from the BSD VA_LIST replacement expression.
16294 * fixinc/inclhack.sh: regen
16295 * fixinc/fixincl.x: regen
16297 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16298 now use the fixincl program.
16300 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16302 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16303 case. Also make the PIC register call_used.
16305 * m68k.h (FINALIZE_PIC): Delete.
16306 * m68k.c (finalize_pic): Delete.
16308 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16310 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16313 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16315 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16317 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16319 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16321 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16323 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16325 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16327 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16329 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16331 * rs6000.c (output_toc): Always use hex values for floating-point
16332 constants. Store single-precision values in upper-half of TOC
16333 entry in 64-bit mode.
16334 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16335 to final constraints.
16336 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16337 (fctiwz): Improve accuracy of RTL for pattern.
16339 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16341 * expr.c (expand_expr): Allow RTL_EXPR's through the
16342 MAX_INTEGER_COMPUTATION_MODE checks.
16344 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16346 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16347 such that MASK_SUPPORT_ARCH is not negative.
16349 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16351 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16352 ADDR_DIFF_VEC insns that appear inside loops.
16354 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16355 Jeff Law <law@cygnus.com>
16357 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16358 Handle LO_SUM the same as offsettable in cases 1 and 2.
16359 * rs6000.c (find_addr_reg): Revert previous patch.
16361 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16363 * system.h (strstr): New external function declaration.
16364 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16365 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16366 * config.in, configure: Rebuilt.
16368 1999-06-24 Tom Tromey <tromey@cygnus.com>
16370 * gcc.c (main): Read user-specified specs files after computing
16371 additional startfile_prefixes.
16373 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16375 Revert these two patches:
16377 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16378 * loop.c (strength_reduce): When doing biv->giv conversion, update
16379 reg note of NEXT->insn.
16381 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16382 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16384 (recombine_givs): Set ix field after sorting.
16386 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16388 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16389 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16391 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16393 *fixinc/inclhack.def: Add fix development commentary
16394 (read_ret_type): reactivate and add selection clause
16395 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16396 *fixinc/{fixincl.x|inclhack.sh}: regen
16398 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16400 * expr.c (expand_expr): STRIP_NOPS before checking against
16401 MAX_INTEGER_COMPUTATION_MODE
16402 (check_max_integer_computation_mode): Likewise.
16404 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16406 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16408 1999-06-22 Jim Wilson <wilson@cygnus.com>
16410 * expr.c (store_expr): When target is a promoted subreg, return a
16411 promoted subreg as a result.
16413 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16415 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16417 (dwarf2out_define): Mark unused parameters appropriately.
16418 (gen_unspecified_parameters_die): Ditto.
16419 (gen_subprogram_die): Fix signed/unsigned warnings.
16420 (gen_variable_die): Ditto.
16422 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16424 * fixinc/inclhack.def(end_else_label): combined else_label
16425 and endif_label and fixed the sed expression.
16426 *fixinc/{fixincl.x|inclhack.sh}: regen
16428 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16430 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16431 'x' when handling non-offsettable addresses
16433 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16435 * final.c (shorten_branches): Don't try to split an insn that has
16438 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16440 * config/mips/mips.c (symbolic_expression_p): New function.
16441 (mips_select_rtx_section): Put symbolic expressions in the
16442 data section, not the read-only data section.
16444 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16446 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16448 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16450 * collect2.c (main): Log frame table count.
16451 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16452 (scan_prog_file) [COFF]: Handle frame tables.
16454 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16455 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16456 * alpha/elf.h: Undef them again.
16457 * alpha/vms.h: Remove their definitions.
16459 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16461 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16462 remove the clobber of r0 and change the REG_UNUSED note to
16465 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16467 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
16468 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
16469 fits in HOST_WIDE_INT and one uses union to access a long constant
16472 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
16474 * sparc.c (sparc_override_options): Don't allow profiling for
16475 code models other than medlow.
16476 (sparc_function_profiler): New function from old FUNCTION_PROFILER
16477 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
16478 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
16479 (sparc_block_profiler): Likewise.
16480 (sparc_function_block_profiler_exit): Likewise.
16481 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
16482 (FUNCTION_BLOCK_PROFILER): Likewise.
16483 (BLOCK_PROFILER): Likewise.
16484 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
16485 (MCOUNT_FUNCTION): New.
16486 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
16487 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
16488 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
16489 (MCOUNT_FUNCTION): New.
16490 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
16491 (BLOCK_PROFILER): Delete.
16492 (MCOUNT_FUNCTION): New.
16494 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
16496 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
16498 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16500 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16503 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16506 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16509 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16512 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
16514 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
16517 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
16519 * i386/djgpp.h (LIB_SPEC): New.
16520 (STARTFILE_SPEC): New.
16522 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
16524 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
16526 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
16529 * system.h (WSTOPSIG): New macro.
16531 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
16533 * c-pragma.c (push_alignment): Don't ignore alignments greater than
16535 (insert_pack_attributes): Take into account member natural
16538 * i386/winnt.c (exports_head): New static variable.
16539 (i386_pe_record_exported_symbol): New function.
16540 (i386_pe_asm_file_end): Use.
16541 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
16542 symbols to be emitted at end of assembly.
16543 (ASM_DECLARE_OBJECT_NAME): Likewise.
16544 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16546 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
16549 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
16551 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
16554 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
16556 * haifa-sched.c (sched_analyze_1): Use free_list instead of
16557 zapping reg_last_uses directly.
16558 (sched_analyze_2, sched_analyze_insn): Likewise.
16559 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
16561 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
16563 * rs6000.md (movdf_hardfloat32): Use worst case insn length
16564 attributes for cases 1 and 2.
16566 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
16568 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
16571 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
16573 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
16575 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
16577 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
16578 PIC_OFFSET_TABLE_REGNUM for general alloaction.
16579 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
16580 must be stacked if it is used for PIC accesses.
16581 * arm.c (use_return_insn): Handle PIC register specially.
16582 (output_return_instruction): Likewise.
16583 (output_func_{prologue,epilogue}): Likewise.
16584 (output_expand_prologue): Likewise.
16586 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
16587 (*strsi_predec): Renamed from *strqi_predec.
16588 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
16589 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
16591 * arm.c (arm_override_options): Remove warning about PIC code
16592 not being supported.
16594 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
16596 * rs6000.c (find_addr_reg): New function.
16597 * rs6000.h (find_addr_reg): Declare.
16598 (offsettable_addr_operand): Delete.
16599 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
16600 from and stores to GPRs.
16602 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
16604 * alpha.c (alpha_expand_block_move): Use get_insns rather than
16605 gen_sequence as argument to emit_no_conflict_block.
16607 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16609 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
16610 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
16611 *fixinc/fixincl.x: regen
16612 *fixinc/inclhack.sh: regen
16614 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
16616 * added support for -mpcrel (PC relative addressing for m68k)
16617 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
16618 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
16619 * m68k.c (print_operand_address): Handle 32-bit PIC case.
16620 (comments for general_src_operand): Add some explanation
16621 about EXTRA_CONSTRAINTS.
16622 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
16623 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
16624 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
16625 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
16626 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
16627 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
16628 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
16629 if not already set.
16630 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
16631 * m68k.h (TARGET_PCREL): New target flag.
16632 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
16633 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
16634 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
16635 contains a SYMBOL_REF. Relax this constraint during reload, since
16636 we want to use the predicates, not reload's built-in concept of a
16637 valid memory address, to control what insns need reloading.
16638 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
16639 operands (essentially 'g', 'm', and 's' under normal circumstances).
16640 * m68k.c (print_operand): Cause printing of pc-relative addresses
16641 to include pc register.
16642 (print_operand_address): Ditto.
16643 (general_src_operand): Accept operands that are not only
16644 general_operands, but are also valid when used as a pc-relative
16646 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
16647 (memory_src_operand): Similar, for memory_operands.
16648 (pcrel_address): New predicate to accept the special case of a
16649 pc-relative address.
16650 * m68k.md (many patterns): Rewrite common SImode, HImode, and
16651 QImode insns to accept *_src_operand instead of *_operand where
16652 pc-relative operands can fit. For example, a pc-relative operand
16653 can be used as a memory source operand for addsi3, but not as a
16654 memory destination.
16655 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
16657 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
16659 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
16660 .thumb_set pseudo op to mark aliases of thumb functions.
16662 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
16664 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
16665 preference to ASM_OUTPUT_DEF, if it is defined.
16667 * tm.texi: Document new, optional target macro
16668 ASM_OUTPUT_DEF_FROM_DECLS.
16670 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16672 * fixincludes: ISCNTL patch
16673 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
16674 (dgux_int_varargs): new for DG/UX
16675 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
16677 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
16679 * invoke.texi (ia32 options): Fix typo.
16681 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16683 * loop.c (strength_reduce): When doing biv->giv conversion, update
16684 reg note of NEXT->insn.
16686 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
16688 * loop.c (move_movables): Note issues with replacing REGs with
16690 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
16692 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
16694 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
16696 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
16697 the reference to `mcount' was not correct for the ELF on FreeBSD.
16699 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16701 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16704 (recombine_givs): Set ix field after sorting.
16706 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
16708 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
16709 to safe to extract a subword out of a REG.
16711 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16713 * sh.md (mulsi3): Don't add a no-op move at the end.
16715 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16717 * cse.c (cse_insn): Don't put hard register source into tables for
16718 the last insn of a libcall.
16720 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16722 * loop.c (strength_reduce): Insert sets of derived givs at every
16723 biv increment, even if it's the only one.
16725 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16727 * dwarfout.c (add_incomplete_type): New fn.
16728 (output_type): Call it.
16729 (retry_incomplete_types): New fn.
16730 (dwarfout_finish): Call it.
16732 From Eric Raskin <ehr@listworks.com>:
16733 (output_type): Output types for bases.
16735 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16737 * mips.c (mips_output_conditional_branch): Add `break'
16738 between `default' label and `close braces'.
16740 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
16742 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
16743 specifications and make it realistic.
16744 (LIB_SPEC): Likewise.
16746 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
16748 * config/mips/mips.c (mips_secondary_reload_class): Check for
16749 (PLUS (SP) (REG)) and return appropriate register class.
16750 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
16751 Handle (PLUS (SP) (REG)).
16752 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
16753 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
16754 of emit_insn for tablejump.
16756 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
16758 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
16759 asm_fprintf format string by itself.
16760 (output_function_profiler): Likewise.
16762 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
16764 * combine.c (simplify_logical, case AND): Only call
16765 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
16766 or the constant is positive.
16768 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
16770 * configure.in: Fix typo in rs6000-ibm-aix4 case.
16771 * configure: Regenerate.
16773 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
16775 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
16776 require a sub-version #.
16777 * configure: Rebuilt.
16779 1999-06-14 Robert Lipe (robertlipe@usa.net)
16781 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
16783 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
16785 * c-typeck.c (process_init_element): Detect excess elements in
16786 char array initializer.
16788 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16790 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
16792 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
16794 * invoke.texi (Option Summary): Add -fpermissive flag.
16796 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
16798 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
16799 that require PIC code sequences.
16801 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
16803 * configure.in: Add new target: thumb-elf.
16804 * configure: Regenerate.
16805 * config/arm/t-thumb-elf: New file: Makefile fragment for
16807 * config/arm/telf.h: New file: Header file for thumb-elf
16810 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
16812 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
16813 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
16814 initializers is some circumstances.
16816 * fixinc/inclhack.def (endif_label): Add additional selector for
16817 more bogus stuff after #endif statements.
16818 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16820 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
16822 * i386/cygwin.h (SET_ASM_OP): Define.
16824 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
16826 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
16828 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16830 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
16833 * sh.md (ic_invalidate_line_i): Remove second alternative.
16835 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16837 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
16838 test for the presence of valid prototypes. Delete bypass expr.
16839 (ioctl_fix_ctrl): Correct the selection expression.
16840 (no_double_slash): Correct quoting rules
16841 *fixinc/fixincl.x: regen
16842 *fixinc/inclhack.sh: regen
16844 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
16846 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
16848 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16850 * rs6000.md (movsi_got_internal_mem): Delete.
16851 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
16852 (GOT_TOC_REGNUM): Delete.
16853 (PIC_OFFSET_TABLE_REGNUM): Define.
16854 (FINALIZE_PIC): Disable.
16855 * rs6000.c (rs6000_got_register): New code for fixed pic register.
16856 (rs6000_replace_regno): Delete.
16857 (rs6000_finalize_pic): Likewise.
16858 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
16860 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16862 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
16863 is a note; use <= for the compare; advance P while it is
16866 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
16868 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
16869 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
16871 * varasm.c (remove_from_pending_weak_list): Verify t->name
16872 is non-NULL before passing it to strcmp.
16874 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16876 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
16877 the typed arguments are not part of a comment
16878 (ioctl_fix_ctrl): Added a purpose comment
16879 *fixinc/fixincl.x: regenerate
16880 *fixinc/inclhack.sh: regenerate
16882 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16884 * invoke.texi: Add C4x invocation docs.
16886 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16888 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
16890 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
16892 (c4x_legitimize_reload_address): New function.
16893 * config/c4x/c4x.md: Update docs.
16895 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
16897 * fixincludes: Avoid removing '.'.
16898 * fixinc/fixinc.svr4: Likewise.
16899 * fixinc/fixinc.winnt: Likewise.
16900 * fixinc/inclhack.tpl: Likewise.
16901 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
16903 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16905 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
16907 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
16909 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
16911 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
16914 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
16916 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
16917 * configure: Regenerate.
16919 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
16921 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
16924 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
16926 * fixinc/inclhack.def (avoid_bool): Also catch
16927 "typedef [unsigned] int bool".
16928 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
16930 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
16931 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
16932 * configure: Rebuilt.
16934 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
16936 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
16937 such that we can override its definitions if necessary.
16938 (CPP_SPEC): New define. Support processor specific predefines via
16940 (CC1_SPEC): New define. Support processor specific compiler
16941 options via %(cc1_cpu).
16942 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
16945 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16947 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
16948 between sed's -e flag, and the open-quote following it.
16949 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
16951 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
16952 Jeffrey A Law (law@cygnus.com)
16954 * varasm.c (assemble_start_function): Remove the function
16955 from the pending weak decls list when we define a function.
16956 (assemble_variable): Similarly for variables.
16957 (weak_finish): Ignore items on the list with a NULL name.
16958 (remove_from_ending_weak_list); New function to "remove" an item
16959 from the pending weak declarations list.
16961 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
16963 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
16965 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
16967 * c-lex.c (GETC): Redefine to call getch.
16968 (UNGETC): Redefine to call put_back.
16969 (putback_buffer): New structure type.
16970 (putback): New static structure.
16971 (getch): New function.
16972 (put_back): New function.
16973 (yylex): Replace unused bytes from bad multibyte character.
16975 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
16977 * cpplib.c (do_define): Cast `alloca' return value.
16978 (do_include, do_undef, do_pragma): Likewise.
16979 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
16981 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
16982 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
16984 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
16986 * sparc.md (abstf2): This should be an expand.
16987 (split after abstf2_notv9): Fix mode.
16988 (abstf2_hq_v9): New pattern.
16989 (abstf2_v9): Only use when no hard quad.
16990 (absdf2_v9): Fix if target is not the same as source.
16991 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
16992 Add correct output constraints.
16994 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
16996 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
16997 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
16999 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17001 * mips.h (mips_output_conditional_branch): New function.
17002 (mips_adjust_insn_length): Likewise.
17003 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17004 (ADJUST_INSN_LENGTH): Likewise.
17005 * mips.c (print_operand): Add `F' and `W' for floating-point
17006 comparison opcodes.
17007 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17009 (mips_adjust_insn_length): New function.
17010 (mips_output_conditional_branch): New function.
17011 * mips.md (length): Adjust attribute definition to handle
17012 conditional branches. Change lengths to bytes, rather than
17013 instructions throughout. Remove length attribute from
17014 instructions whose length is four bytes, and rely on the default
17016 (dslot): Fix typo in comment.
17017 Reword conditional branch patterns to use
17018 mips_output_conditional_branch.
17020 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17022 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17023 (LIB_SPEC): Likewise.
17024 Link with -lprof1_r for -g/-pg.
17026 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17028 * loop.c (check_dbra_loop): Fix change of Jan 19.
17030 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17032 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17033 (STARTFILE_SPEC): Define, override the svr4.h version.
17034 (ENDFILE_SPEC): Likewise.
17036 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17038 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17039 * fixinc/fixincl.x: Regenerated.
17040 * fixinc/inclhack.sh: Regenerated.
17042 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17044 * sh.c (barrier_align): Don't return early for normal branch/barrier
17045 when optimizing for SH2.
17047 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17049 * i386/udk.h (LINK_SPEC): Correct linker search path for
17052 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17054 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17055 (braf_label_ref_operand): Delete.
17056 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17057 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17058 label_ref, and has no predicate.
17059 The patten has a predicate to guard against invalid substitutions.
17060 (dummy_jump): Delete.
17061 (casesi): Update use of casesi_jump_2.
17063 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17065 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17066 *fixinc/fixincl.x: regenerate
17067 *fixinc/inclhack.sh: regenerate
17069 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17071 * dwarf2out.c (add_incomplete_type): New fn.
17072 (gen_struct_or_union_type_die): Call it.
17073 (retry_incomplete_types): New fn.
17074 (dwarf2out_finish): Call it.
17076 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17078 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17079 current block starts with a CODE_LABEL and ends with a CALL and
17080 we can not find all the argument setup instructions for the CALL.
17082 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17084 Revert this change:
17085 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17086 something is a candidate for optimize_bit_field_compare.
17088 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17090 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17092 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17094 * alpha.c (override_options): Thinko in last patch.
17096 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17097 (LIB_SPEC): Recognize -pthread.
17099 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17101 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17102 definition in config/arm/coff.h
17103 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17105 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17107 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17108 fixes that need "file=xxx\n" prepended before invocation
17109 (start_fixer - new): starting the fixer process is complex enough
17110 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17111 (process): uses the new routine; omit usage of putenv()
17112 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17113 * fixinc/fixincl.x: regenerate
17115 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17117 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17118 and version #s (1.1 -> 2.96) as needed.
17119 * README.g77: Kill way out of date file in the toplevel directory.
17121 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17123 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17124 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17125 * configure: Rebuilt.
17126 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17127 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17128 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17129 (SWITCH_TAKES_ARG): Likewise.
17130 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17131 * config/t-freebsd: Moved from config/i386/ so it can used for all
17134 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17136 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17138 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17140 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17141 * configure: Rebuilt.
17143 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17145 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17146 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17147 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17148 (rs6000_output_load_toc_table): Same.
17149 (output_prolog, output_mi_thunk): Same.
17150 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17151 (ASM_GLOBALIZE_LABEL): Use putc.
17153 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17155 * alpha.md (reload_*_help): New patterns and splitters.
17156 (reload_*): Use them.
17157 (mov[qh]i): Likewise.
17159 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17161 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17164 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17166 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17168 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17170 * flow.c (mark_regs_live_at_end, insn_dead_p,
17171 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17172 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17173 hasn't run or the frame pointer is needed.
17174 * haifa-sched.c (attach_deaths): Likewise.
17175 * sched.c (attach_deaths): Likewise.
17177 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17179 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17180 calculate_can_reach_end returns nonzero.
17182 * configure.in (native gas tests): Search for an assembler in the
17183 same manner that the installed compiler will.
17184 * configure: Rebuilt.
17185 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17187 * alias.c (find_base_term): Improve handling of addresses
17188 constructed from binary operations.
17190 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17192 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17194 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17196 * function.h (cleanup_label, frame_offset): Declare.
17197 (tail_recursion_label, tail_recursion_reentry): Likewise.
17198 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17199 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17200 (tail_recursion_label, tail_recursion_reentry): Likewise.
17201 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17203 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17205 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17207 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17208 (MAX_OFILE_ALIGNMENT): Define.
17210 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17212 * fixincl.c: Replace local include scheme with #includes of
17213 gansidecl.h and system.h.
17214 * procopen.c: Likewise.
17215 * server.c: Likewise.
17217 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17219 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17220 (crti.o): Add build rule and dependencies.
17221 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17223 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17225 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17226 (LIB_LINUX_SPEC): Likewise.
17227 (LIB_LINUX_SPEC): Add support for -pthread
17228 (CPP_OS_LINUX_SPEC): Likewise.
17229 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17232 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17234 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17236 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17237 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17238 for IEEE math and CC_FCOMI.
17239 (put_jump_code): No IEEE if CC_FCOMI is set.
17241 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17243 * fold-const.c (fold_truthop): Make the field reference unsigned
17244 when converting a single bit compare.
17246 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17248 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17250 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17252 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17253 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17256 * reload.c (push_reload): Do not call remove_address_replacements
17257 when presented with identical optional reloads.
17259 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17261 * alpha.h (MASK_FIX, TARGET_FIX): New.
17262 (MASK_*): Reorganize constants.
17263 (CPP_AM_FIX_SPEC): New.
17264 (TARGET_SWITCHES): Add FIX.
17265 (EXTRA_SPECS): Likewise.
17266 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17267 (SECONDARY_MEMORY_NEEDED): Likewise.
17268 (REGISTER_MOVE_COST): Likewise.
17269 * alpha.c (override_options): Add FIX support. Always use
17270 ALPHA_TP_PROG for ev6.
17271 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17272 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17273 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17275 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17277 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17278 something is a candidate for optimize_bit_field_compare.
17280 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17282 * gcc.texi (Passes): Document branch-shortening.
17283 * invoke.texi (Debugging Options): Document the fact that `-dp'
17284 outputs length information for instructions.
17286 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17288 * flow.c: Revert previous delta.
17290 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17292 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17293 FRAME_POINTER_REGNUM.
17294 (mark_set_1): Ditto.
17295 (mark_used_regs): Ditto.
17297 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17299 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17300 (GOT_PCREL): New macro. Define to 1 if not already defined.
17301 * arm/elf.h (GOT_PCREL): Define to 0.
17302 * arm.c (arm_finalize_pic): Take into account the setting of
17305 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17307 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17308 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17310 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17311 store elimination candidates.
17313 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17315 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17318 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17320 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17321 Add use of x-aix41-gld.
17323 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17325 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17326 (ASM_OUTPUT_DESTRUCTOR): Define.
17328 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17330 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17331 last CODE_LABEL in a loop if we have previously passed a jump
17332 to the top of the loop.
17334 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17336 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17337 applying Philip's patch.
17339 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17341 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17344 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17346 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17348 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17350 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17351 Also remove a useless comment.
17353 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17355 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17357 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17359 * collect2.c (main): Only generate import or export file and add
17360 to link arguments if non-empty. Use xmalloc not alloca.
17361 (write_{export,import}_file): Delete.
17362 (write_aix_file): New function.
17363 (locatelib): Use xmalloc not malloc.
17364 (GCC_OK_SYMBOL): Do not check type if aix64.
17366 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17368 Based on patch by Scott Bambrough and Pat Beirne:
17369 * config/arm/arm.c (making_const_table): New variable.
17370 * config/arm/arm.h (making_const_table): Declare.
17371 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17373 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17374 Keep track of when we are building the constant table.
17376 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17378 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17381 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17383 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17386 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17388 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17391 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17393 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17395 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17397 * rs6000.c (output_mi_thunk): Enable full support again.
17399 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17401 * sh.h (BRANCH_COST): Define.
17403 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17405 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17407 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17409 * function.c (assign_stack_local): Align stack slot propertly.
17410 (assign_outer_stack_local): Likewise.
17412 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17414 * expr.h (lang_expand_constant): Declare.
17415 * toplev.c (lang_expand_constant): Define it.
17416 * varasm.c (output_constant): Use it.
17418 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17420 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17421 Change function definitions to K&R style.
17423 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17425 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17427 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17429 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17430 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17431 (several places): omit static initialization
17432 (process): use single fd, since only the read fd is used
17433 * fixinc/gnu-regex.c: define 'const' away, if not supported
17434 * fixinc/procopen.c(several places): omit static initialization
17435 * fixinc/server.c: define 'volitile' away, if not supported
17437 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17439 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17440 asm_fprintf and %L to generate the label name.
17441 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17442 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17444 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17446 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17447 insn for a conditional jump can not be found.
17449 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17451 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17452 on variables in specific sections other than .sbss and .sdata.
17454 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17456 * stmt.c (expand_return): Call start_cleanup_deferral and
17457 end_cleanup_deferral around conditional code.
17459 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17461 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17462 filename lists. Utilizes new "krstr" AutoGen function.
17463 * fixinc/fixincl.x: Rebuilt.
17465 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17467 * i386.c (output_float_compare): Avoid GNU-C extensions.
17469 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
17471 * version.c: Bump to distinguish mainline tree from the
17474 See ChangeLog.1 for earlier changes.