1 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3 * i386/osf1elf.h: Add missing backslash to multiline string.
5 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * Makefile.in (c-common.o): Depend on $(EXPR_H).
13 * c-common.c: Include expr.h.
15 * c-pragma.c (mark_align_stack): Add prototype.
17 * caller-save.c (add_stored_regs): Likewise.
19 * combine.c (record_promoted_value): Likewise.
21 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
24 * cppinit.c (new_pending_define): Likewise.
26 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
28 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
29 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
30 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
31 class_scope_p): Likewise.
33 * dwarf2out.h (dwarf2out_set_demangle_name_func,
34 dwarf2out_add_library_unit_info): Likewise.
36 * ggc.h (ggc_page_print_statistics): Likewise.
38 * haifa-sched.c (propagate_deps): Likewise.
40 * reg-stack.c (next_flags_user, record_label_references): Likewise.
42 * rtl.h (set_stack_check_libfunc): Likewise.
44 * toplev.h (set_fatal_function): Likewise.
46 * toplev.c (set_fatal_function): Delete prototype.
48 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
50 2000-02-05 Geoff Keating <geoffk@cygnus.com>
52 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
55 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
57 * caller-save.c: Include tm_p.h.
59 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
61 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
63 2000-02-04 Neil Booth <NeilB@earthling.net>
65 * cccp.c (main): Check 'dir' for a NULL pointer before passing
68 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
70 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
71 * genflags.c: Use the max_operand_1 logic from genemit.c to
72 calculate how many arguments gen_insn prototypes have. Remove
73 NO_MD_PROTOTYPES ifdefs from the generated file.
74 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
75 file. Cast gen_insn initializers to insn_gen_fn.
76 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
77 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
79 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 * fixinc/Makefile.in (HDR): Add machname.h.
84 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
86 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
87 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
88 (c4x_cpu_version): Ditto.
89 * config/c4x/c4x-protos.h: ... here.
91 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
93 * dwarf2out.c (add_abstract_origin_attribute): Don't call
94 gen_abstract_function on our context if we're a nested function.
96 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
98 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
99 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
101 2000-02-04 Bruce Korb <bkorb@gnu.org>
103 * fixinc/genfixes(machname.h):
104 Move the functionality from gen-machine.h into this file.
105 UNdef MN_NAME_PAT if there are no names to change.
106 Also, be a little kinder when AutoGen is not present.
108 * fixinc/Makefile.in(machname.h):
109 Change the generation rule to use genfixes.
111 * fixinc/fixfixes.c(machine_name):
112 machine_name_fix's functionality now dependent upon whether
113 MN_NAME_PAT is defined.
115 * fixinc/fixtests.c(machine_name):
118 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
121 * fixinc/fixlib.h(mn_get_regexps):
124 * fixinc/gen-machine.h: DELETED
126 2000-02-04 Jan Hubicka <jh@suse.cz>
127 Richard Henderson <rth@cygnus.com>
129 * i386.c (SAVE_REGS_FIRST): Remove.
130 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
131 (ix86_compute_frame_size): Likewise.
132 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
133 (ix86_emit_restore_regs): Remove.
134 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
135 when a frame pointer is in use.
136 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
137 instead of pop to restore a register when profitable; emit leave
139 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
141 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
142 * i386.md (prologue_allocate_stack): Remove.
143 (epilogue_deallocate_stack): Remove.
144 (pro_epilogue_adjust_stack): New.
146 2000-02-04 Richard Henderson <rth@cygnus.com>
148 * function.c (diddle_return_value): Rework to use a callback function.
149 Use current_function_return_rtx if it's been set up.
150 (do_clobber_return_reg, clobber_return_register): New.
151 (do_use_return_reg, use_return_register): New.
152 (expand_function_end): Use them.
153 * stmt.c (expand_null_return): Likewise.
154 * function.h: Declare them.
155 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
156 (mark_reg): Change arguments as appropriate for callback.
157 * integrate.c (expand_inline_function): Revert 19 Jan change.
159 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
161 * tm.texi (Values in Registers): Fix typo: "fo" "for".
162 (Misc): Say the scheduler, not the Haifa scheduler.
164 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
166 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
167 when in_mem is set. Update all callers.
169 2000-02-04 Richard Henderson <rth@cygnus.com>
171 * i386/openbsd.h (INT_ASM_OP): Define.
173 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
175 * tm.texi: Fix various typos.
177 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
179 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
180 (MD_STARTFILE_PREFIX_1): New macro.
182 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
184 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
185 destination when needed.
186 (strmovsi, strsetsi): New expander.
187 (strmovsi_1, strsetsi_1): New pattern.
188 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
189 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
190 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
191 * invoke.texi (align-stringops, inline-all-stringops): Document.
193 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
195 * i386/netbsd.h (INT_ASM_OP): Define.
197 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
199 * cpplib.h (cpp_reader): Add new flag, no_directives.
200 * cpphash.c (macarg): Set it.
201 * cpplib.c (handle_directive): If no_directives is on and we
202 find a directive, issue an error and discard the line.
204 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
206 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
207 FP constants. Add ! TARGET_FPU check for FP constants.
209 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
211 * flow.c (find_basic_blocks): Don't kill label_value_list
213 (cleanup_cfg): Kill it here.
215 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
217 * expr.c (store_field): Ensure ALIGN is no stricter than the
220 2000-02-02 Richard Henderson <rth@cygnus.com>
222 * jump.c (delete_insn): Partially revert 19 Jan change;
223 don't convert unused code labels to notes at -O0.
225 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
227 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
228 split_all_insns to recreate REG_LABEL notes for flow2 pass.
230 2000-02-01 Richard Henderson <rth@cygnus.com>
232 * i386.c (general_no_elim_operand): New.
233 (nonmemory_no_elim_operand): New.
234 (ix86_expand_move): Copy eliminable operands before a push.
235 * i386-protos.h: Declare new functions.
236 * i386.h (CAN_ELIMINATE): Simplify.
237 (PREDICATE_CODES): Update.
238 * i386.md (push insns): Don't allow eliminable register operands.
240 2000-02-01 Richard Henderson <rth@cygnus.com>
242 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
243 replace BLKmode with DECL_RTL's mode.
245 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
247 * frame.c (find_fde): Convert for loop to do-while so compiler
248 sees it's always executed at least once.
249 * libgcc2.c (BBINBUFSIZE): Kill.
250 (__bb_init_prg): Use fgets.
251 (__bb_exit_trace_func): Don't paste strings.
252 * unroll.c (unroll_loop): Initialize unroll_type, not
253 unroll_number, and tweak logic to match.
255 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
257 (ix86_flags_dependant): Likewise. Disentangle control flow.
258 (ix86_sched_reorder): Break guts out to
259 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
260 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
263 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
264 use string concatenation. Don't save and restore esi.
266 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
267 (machname.h): Remove script to separate file. Use two-step
268 sequence so target is not created if script fails.
269 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
270 identifiers are defined.
271 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
272 an empty string, machine_name doesn't need to do anything at
274 (is_cxx_header): Add more cases to regexp.
275 * fixinc/fixlib.h: Update prototype.
276 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
278 * fixinc/fixincl.c: Define NO_BOGOSITY.
280 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
281 (hp_sysfile): Add missing comma.
282 (math_exception): Put the wrapper ifdefs at the beginning and
284 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
286 2000-02-01 Richard Henderson <rth@cygnus.com>
288 * sparc.c (fp_zero_operand): Turn into a normal predicate.
289 Use CONST0_RTX. Update all callers.
290 * sparc.h, sparc-protos.h: Update accordingly.
291 * sparc.md (fp mov insns): Use fp_zero_operand directly
294 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
296 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
299 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * Makefile.in (specs.ready): New target.
302 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
304 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
306 * fixinc.irix: Use unique filenames for writing into /tmp,
307 * fixinc.ptx: Likewise.
308 * fixinc.sco: Likewise.
309 * fixinc.svr4: Likewise.
310 * fixinc.winnt: Likewise.
312 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * tsystem.h: New file.
316 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
317 s-crtS): Depend on tsystem.h.
319 * crtstuff.c: Include tsystem.h.
321 * libgcc2.c: Likewise.
323 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
325 * builtins.c (expand_builtin_memset): Expand for variable sized
328 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
330 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
333 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
335 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
337 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
339 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
341 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
342 case 3->2 combining (combining with splitting) in which 2 is CC0
343 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
344 checked at the begining of the function with the aid of calling
345 function 'can_combine_p'.
347 2000-01-31 Dave Brolley <brolley@redhat.com>
349 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
351 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
353 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
356 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
360 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
363 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
365 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
366 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
367 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
368 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
369 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
370 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
371 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
372 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
373 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
374 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
376 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
377 Add %(cpp_cpu) to CPP_SPEC.
379 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
380 Add %(cc1_cpu) to CC1_SPEC.
382 2000-01-28 Ulrich Drepper <drepper@redhat.com>
384 * c-decl.c (c_decode_option): Accept optional numeric argument to
385 -Wformat and set warn_format.
386 * c-common.c: Don't emit warning about non-constant printf format
387 string unless warn_format > 1.
389 2000-01-30 Richard Henderson <rth@cygnus.com>
391 * alpha.md (return_internal): Allow after reload only.
393 2000-01-30 Richard Henderson <rth@cygnus.com>
395 * i386.c (ix86_compute_frame_size): Omit padding1 if the
396 local frame size is zero.
398 2000-01-30 Richard Henderson <rth@cygnus.com>
400 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
401 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
402 * alpha.md (return): Turn into an expander.
403 (return_internal): Don't use $26.
404 (epilogue): Emit the return insn.
406 2000-01-30 Richard Henderson <rth@cygnus.com>
408 * alpha.md (negtf2, abstf2): Fix word order thinko.
410 (trunctfsf2): Avoid intermediate rounding errors.
412 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
414 * cppfiles.c (find_position): Drop 'colp' argument, return the
416 (read_and_prescan): Adjust to match. Don't ever manipulate
417 line or line_base except via find_position.
419 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
421 * c-parse.in: Apply Ulrich's changes from c-parse.y.
422 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
425 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
427 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
428 just print "<command line>". If 'filename' is null or an
429 empty string, print "<stdin>" for the filename.
430 * cpplib.c (do_define): Don't print the 'location of the
431 previous definition' message if we're still parsing the
433 (cpp_pedwarn_with_file_and_line): Always call
434 cpp_file_line_for_message.
436 2000-01-29 Mark Mitchell <mark@codesourcery.com>
438 * flow.c (mark_regs_live_at_end): Fix typo.
440 2000-01-28 Ulrich Drepper <drepper@redhat.com>
442 * c-common.c: Adjust variable names, comments, help strings to c99.
444 * c-parse.y: Likewise.
445 * c-tree.h: Likewise.
447 * cpplib.h: Likewise.
448 * c-decl.c: Likewise. Recognize options with names "*99" as well.
449 * cppinit.c: Likewise.
451 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
453 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
454 * c4x.c: Define the optab rtx values.
455 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
456 (c4x_emit_libcall): Use new optab rtx values.
457 (c4x_emit_libcall3): Likewise.
458 (c4x_emit_libcall_mulhi): Likewise.
459 * c4x-protos.h: Add prototypes for optab rtx values and change
460 prototypes for above c4x_emit_libcall functions.
462 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
464 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
466 (c4x_function_prologue): Use regnames intead of float_reg_names when
468 (c4x_function_epilogue): Likewise.
469 (c4x_print_operand): Likewise.
470 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
471 * c4x.md (set_high): Disable for TARGET_TI.
473 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
475 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
476 of framepointer + constant to ADDR_REGS class.
477 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
478 * c4x.c (std_or_reg_operand): New function.
479 * c4x-protos.h (std_or_reg_operand): Prototype it.
481 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
483 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
484 object names as libgcc2.c.
485 * libgcc.S: Use newly defined names.
487 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
488 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
490 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
491 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
492 (FLOW_LOOP_LAST_BLOCK): Likewise.
494 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
496 * basic-block.h (struct loop): New fields 'first' and 'last'.
497 * flow.c (flow_loops_find): Compute loop->first and loop->last.
498 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
499 and loop->last to check for NOTE_INSN_LOOP_END.
501 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
503 * predict.c (estimate_probability): Use the new FIRST and LAST fields
504 of the loop descriptor rather than HEADER and LATCH. Also added
505 missing break statements as well making some coding style modifications
506 as suggested by Michael Hayes.
508 2000-01-28 Richard Henderson <rth@cygnus.com>
510 * flow.c (find_basic_blocks): Remove do_cleanup argument.
511 Break out that code ...
512 (cleanup_cfg): ... here.
513 (commit_one_edge_insertion): Detect a return instruction being
514 emitted to an edge. Emit a barrier following; clear fallthru.
515 (commit_edge_insertions): Verify CFG consistency.
516 * function.c (expand_function_start): Kill unused variable.
517 (expand_function_end): Likewise.
518 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
519 to insert the epilogue.
521 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
522 (delete_null_pointer_checks): Likewise.
523 * output.h: Likewise.
524 * reg-stack.c (reg_to_stack): Likewise.
525 * toplev.c (rest_of_compilation): Likewise. Run
526 thread_prologue_and_epilogue_insns after rebuilding the CFG.
528 2000-01-28 Richard Henderson <rth@cygnus.com>
530 * Makefile.in (flow.o): Revert 24 Jan change.
531 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
532 FUNCTION_VALUE result to DECL_RESULT's mode.
534 * haifa-sched.c (schedule_insns): Don't recompute reg info
537 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
539 * configure.in: Make --enable-cpplib the default.
540 * configure: Regenerate.
541 * gcc.dg/990119-1.c: No longer expected to fail.
543 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
545 * jump.c (jump_optimize_1): Delete an optimization that is also done
546 by merge_blocks in flow.
548 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
550 * diagnostic.c (build_message_string, output_printf,
551 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
552 (build_location_prefix): Fix non-literal format string.
554 2000-01-27 Richard Henderson <rth@cygnus.com>
556 * alpha.md (trunctfsf2): New.
558 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
560 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
562 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
564 * cppinit.c (cpp_handle_option): Recognize C++ comments under
566 * cpplib.c (skip_block_comment, skip_line_comment): Split code
568 (skip_comment) ... here. Permit C++ comments in system
569 headers always. Warn about C++ comments in user code under
570 -std=gnu89 -pedantic.
571 (copy_comment): Use skip_comment.
572 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
574 (consider_directive_while_skipping, do_else, do_endif): Call
575 validate_else unconditionally.
576 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
577 text after the conditional in a system header.
578 * cpplib.h (struct cpp_buffer): Add flag
579 warned_cplusplus_comments.
581 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
583 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
584 Use unshare_all_rtl_1.
585 (unshare_all_rtl_again): New function.
586 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
588 * function.c (purge_addressof_1): Use unshare_all_rtl_again
589 rather than resetting the 'used' flags ourself.
591 * toplev.c (rest_of_compilation): Add current_function_decl
592 to the unshare_all_rtl call.
593 * tree.h: Prototype unshare_all_rtl.
594 * rtl.h: Prototype unshare_all_rtl_again here.
596 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
598 * genoutput.c (output_prologue): Include ggc.h in generated
600 * Makefile.in (insn-output.o): Depends on ggc.h.
602 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
603 Hans-Peter Nilsson <hp@bitrange.com>
605 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
606 Remove redundant include of xm-ns32k.h.
607 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
608 Remove redundant include of xm-ns32k.h.
609 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
610 Remove redundant include of xm-ns32k.h.
611 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
613 * ns32k/ns32k.h: Update comment on multiply-add instructions.
614 (TARGET_SWITCHES): Add documentation strings.
615 (DWARF_FRAME_REGNUM): Override default definition.
616 (REG_CLASS_CONTENTS): Add comments.
617 (SUBSET_P): Format to reduce line length.
618 (SMALL_REGISTER_CLASSES): Make a run time option.
619 (GO_IF_NONINDEXED_ADDRESS): Reformat.
620 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
621 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
622 (regclass_map): fix typo in comment.
623 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
624 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
625 (trace, reg_or_mem_operand): Delete, unused function.
626 (calc_address_cost): Small offsets are cheaper than large ones.
627 (expand_block_move): Generate more efficient code when bytes is a
628 known at compile time.
629 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
630 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
631 instead of reg_or_mem_operand.
633 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
634 not general_operand. Similarly use "=rm" or stricter, not "=g".
635 For input operands, use stricter constraints than "g" if not
636 general_operand. Similarly use stricter predicate than
637 "general_operand" when stricter constraints than "g" are present,
638 except for matching constraints.
639 (movstrsi): Use "memory_operand" for operands 0 and 1.
640 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
641 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
642 not reg_or_mem_operand.
643 (udivmoddisi4): Ditto.
644 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
645 Use nonimmediate_operand for operand 3, not register_operand.
646 (udivmoddiqi4_internal): Use register_operand for operand 1, not
649 2000-01-27 Fred Fish <fnf@be.com>
651 * gthr-posix.h: Fix typo; compatibily -> compatibility.
652 * gthr-single.h: Likewise.
653 * gthr-solaris.h: Likewise.
654 * gthr-vxworks.h: Likewise.
655 * gthr-win32.h: Likewise.
658 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
660 * cppinit.c: Add " (cpplib)" to end of string printed by
663 2000-01-27 Richard Henderson <rth@cygnus.com>
665 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
666 testing for a signed comparison.
667 (alpha_emit_floatuns): New.
668 * alpha-protos.h: Declare it.
669 * alpha.md (floatunsdisf2, floatunsdidf2): New.
672 2000-01-27 Jakub Jelinek <jakub@redhat.com>
674 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
675 no -g option specifying debugging format, default to -gstabs+.
677 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
679 * calls.c (special_function_p): New argument fork_or_exec.
680 (expand_call): When profile_arc_flag is set and the function
681 is in the fork_or_exec group, call __bb_fork_func first.
682 * libgcc2.c, _bb module (__bb_fork_func): New function.
683 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
685 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
686 * tree.h (special_function_p): Update prototype.
688 2000-01-26 Richard Henderson <rth@cygnus.com>
690 * alpha.c (alpha_split_tfmode_pair): New.
691 * alpha-protos.h: Declare it.
692 * alpha.md (abstf2, negtf2): New.
693 (movtf insn): Add input G constraint.
694 (movtf splitter): Use alpha_split_tfmode_pair.
696 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * i386/cygwin.h: PROTO -> PARAMS.
700 2000-01-26 Jakub Jelinek <jakub@redhat.com>
702 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
703 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
704 using _Qp_cmp/_Q_cmp and testing the return value.
705 (print_operand): Call reverse_condition_maybe_unordered if
706 we are handling CCFPmode or CCFPEmode.
707 Handle ORDERED, UN* and LTGT comparisons.
708 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
709 if not TARGET_HARD_QUAD.
710 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
711 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
712 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
713 Adjust gen_b* calls so that they reflect return comparison of
714 sparc_emit_float_lib_cmp.
716 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
718 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
719 incoming operands array is large enough for one more operand.
720 (alpha_emit_xfloating_arith): Likewise.
722 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
724 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
725 file with one line and no trailing newline.
726 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
727 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
728 checking if the match is on the line.
729 * fixinc/gnu-regex.c: Provide regerror not __regerror.
731 2000-01-25 Richard Henderson <rth@cygnus.com>
733 * sparc.c (output_cbranch): Fix accidental squashing of the
734 fp branch pre-delay nop.
736 2000-01-25 Richard Henderson <rth@cygnus.com>
738 * tree.def (UNNE_EXPR): Remove.
739 * c-typeck.c (build_binary_op): Don't handle it.
740 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
742 * rtl.def (UNNE): Remove.
744 * jump.c (reverse_condition): Update accordingly.
745 (swap_condition): Likewise.
746 (comparison_dominates_p): Handle unordered comparisons.
747 (reverse_condition_maybe_unordered): New.
748 * rtl.h (reverse_condition_maybe_unordered): Declare.
750 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
751 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
752 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
753 * sparc.md (bltgt): New.
755 2000-01-25 Nick Clifton <nickc@redhat.com>
757 * emit-rtl.c (emit_insn): Only check machine class insns for
758 improper emission of a RETURN.
760 2000-01-25 Richard Henderson <rth@cygnus.com>
762 * Makefile.in (flow.o): Depend on $(EXPR_H).
763 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
764 duplicate the structure of diddle_return_value for keeping regs live.
766 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
768 * loop.c (current_loop_info): Delete.
769 (consec_sets_invariant_p): Add loop argument, update callers.
770 (get_condition_for_loop): Likewise.
771 (count_nonfixed_reads, update_giv_derive): Likewise.
772 (simplify_giv_expr, general_induction_var): Likewise.
773 (consec_sets_giv, recombine_givs): Likewise.
774 (move_movables): Delete loop_start and loop_end arguments,
775 add loop argument, and update callers.
776 (find_mem_givs, check_final_value): Likewise.
777 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
778 (loop_invariant_p): Rename from invariant_p, add loop argument, and
780 (basic_induction_var): Add loop argument, delete loop_level argument,
782 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
783 add loop argument, and update callers.
784 (find_splittable_regs, find_splittable_givs): Likewise.
785 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
786 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
787 (biv_total_increment): Delete loop_start and loop_end arguments;
789 (precondition_loop_p): Delete loop_start and loop_info arguments;
791 * loop.h (get_condition_for_loop): Add loop argument.
792 (biv_total_increment): Delete loop_start and loop_end arguments.
793 (precondition_loop_p): Delete loop_start and loop_info arguments;
795 (final_biv_value): Delete loop_start and loop_end arguments;
797 (final_giv_value, back_branch_in_range_p): Likewise.
799 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
801 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
803 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
805 * Makefile.in (c-gperf.h) : Change the "See" pointer to
806 point to the new "generated_files" doc.
808 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
810 * config/fp-bit.c (_unord_f2): Fix typo.
812 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
814 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
815 c-typeck.c, objc/objc-act.c: Remove all references to obstack
816 functions obsoleted by GC, such as push_obstacks_nochange,
817 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
818 and code which existed only to decide whether or not to call
819 them. Remove now-unused NESTED argument from start_function;
820 all callers changed. Do not change behavior based on ggc_p.
821 The use of the ixp_obstack in c-iterate.c and the util_obstack
822 in objc/objc-act.c remain; these are not obsoleted by garbage
824 * c-tree.h: Update prototype for start_function.
826 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
828 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
830 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
833 2000-01-25 Richard Henderson <rth@cygnus.com>
835 * sparc-protos.h (select_cc_mode): Declare.
836 * sparc.c (select_cc_mode): New. Handle unordered compares.
837 (output_cbranch): Always reverse via code change. Handle
838 unordered compares. Factor tests and string updates.
839 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
840 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
841 * sparc.md (bunordered, bordered): New.
842 (bungt, bunlt, buneq, bunge, bunle): New.
844 2000-01-25 Richard Henderson <rth@cygnus.com>
846 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
847 * ggc-common.c (ggc_add_rtx_varray_root): New.
848 (ggc_mark_rtx_varray): New.
849 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
850 functions down below ggc_mark_foo.
851 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
853 2000-01-25 Richard Henderson <rth@cygnus.com>
855 * alpha.c (secondary_reload_class): Don't allocate a secondary
856 for integral mode memories into FLOAT_REGS. Rearrange the more
857 complicated memory expression inward.
859 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
861 * inclhack.def: Fixes to play nicer with FreeBSD, and
862 corrections to comments.
863 (cxx_unready): Add select expression.
864 (irix_sockaddr): Add bypass expression.
865 (machine_ansi_h_va_list): New fix.
866 (stdio_va_list): No need to edit _BSD_VA_LIST_.
867 Split out addition of "#include <stdarg.h>" to...
868 (stdio_stdarg_h): ... here.
869 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
870 to stdlib.h also. Do not munge _BSD_SIZE_T_.
871 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
873 (ultrix_ifdef): Tighten up select expression.
875 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
876 re_ct and max_mach to avoid use of shell. Make printed names
877 match names in inclhack.def. Use static copyright date.
878 Don't count c_test and test expressions as requiring regex_t
879 slots. Add some commentary.
880 * inclhack.tpl: Do not include the 'This script contains N
881 fixup scripts' line if PROGRAM is defined. Use static
884 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
886 * dwarf2out.c: include "varray.h", not dyn-string.h.
887 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
888 (addr_const_to_string, addr_to_string): Lose.
889 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
890 (struct dw_val_struct): val_addr is now an rtx.
891 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
892 (used_rtx_varray): New varray.
893 (dwarf2out_init): Initialize it.
895 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
897 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
898 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
899 * Makefile.in (dwarf2out.o): Update dependencies.
901 2000-01-24 Richard Henderson <rth@cygnus.com>
903 * i386.c (i386_dwarf_output_addr_const): New.
904 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
906 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
908 * dwarfout.c (output_mem_loc_descriptor): Likewise.
909 * i386.c (i386_simplify_dwarf_addr): New.
910 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
912 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
914 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
915 TYPE_STUB_DECL is NULL.
917 2000-01-24 Richard Henderson <rth@cygnus.com>
919 * builtins.c (expand_tree_builtin): Move ...
920 * c-common.c (expand_tree_builtin): ... here.
922 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
924 * loop.h (LOOP_INFO): New accessor macro.
925 * basic-block.h (struct loop): Rename field `info' to `aux'.
926 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
927 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
928 * unroll.c (loop_iterations, unroll_loop): Likewise.
930 2000-01-24 Christopher Faylor <cgf@cygnus.com>
932 * config/i386/t-cygwin: Accomodate new winsup directory layout
933 when searching for include files.
935 2000-01-24 Richard Henderson <rth@cygnus.com>
937 * rtl.def: Add unordered fp comparisions.
938 * tree.def: Likewise.
939 * tree.h: Add ISO C 9x unordered fp comparision builtins.
941 * builtins.c (expand_tree_builtin): New function.
942 * c-typeck.c (build_function_call): Use it.
943 (build_binary_op): Support unordered compares.
944 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
946 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
947 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
948 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
949 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
950 * jump.c (reverse_condition): Don't abort for UNLE etc, but
952 (swap_condition): Handle unordered compares.
953 (thread_jumps): Check can_reverse before reversing.
954 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
957 * optabs.c (can_compare_p): New argument CODE. Verify branch or
958 setcc is present before acking for cmp_optab. Update all callers.
959 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
960 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
961 * expr.c (expand_expr): Likewise. Support unordered compares.
962 (do_jump, do_store_flag): Likewise.
963 * expr.h (enum libfunc_index): Add unordered compares.
965 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
966 (DPBIT_FUNCS): Add _unord_df.
967 * config/fp-bit.c (_unord_f2): New.
968 * fp-test.c (main): Try unordered compare builtins.
970 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
971 * alpha.c (alpha_comparison_operator): Check mode properly.
972 (alpha_swapped_comparison_operator): Likewise.
973 (signed_comparison_operator): Likewise.
974 (alpha_fp_comparison_operator): New.
975 (alpha_emit_conditional_branch): Handle unordered compares.
976 * alpha.h (PREDICATE_CODES): Update.
977 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
978 (bunordered, bordered): New.
980 2000-01-24 Richard Henderson <rth@cygnus.com>
982 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
983 * alpha.md (movtf): New expander, insn, and splitter.
985 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
987 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
990 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
992 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
993 (FIXED_REGISTERS, CALL_USED_REGISTERS,
994 REG_ALLOC_ORDER): Add frame pointer
995 (FRAME_POINTER_REGNUM): Set to 20
996 (HARD_FRAME_POINTER_REGNUM): New macro.
997 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
998 to HARD_FRAME_POINTER.
999 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1000 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1001 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1002 (HI_REGISTER_NAMES): Add "frame".
1003 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1004 (debug_reg): Handle FRAME_POINTER_REGNUM.
1005 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1006 GENERAL_REGS and INDEX_REGS.
1007 * i386.c (SAVED_REGS_FIRST): new macro.
1008 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1009 (ix86_decompose_address, memory_address_length): Likewise.
1010 (regclass_map): Add frame pointer.
1011 (call_insn_operand): Handle frame_pointer_rtx.
1012 (reg_no_sp_operand): Likewise.
1013 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1014 (print_operand, legitimize_pic_address): Fix formating.
1015 (ix86_compute_frame_size): Make static, update prototype, new
1016 parameters padding1, padding2, use ix86_nsaved_regs, use
1017 stack_alignment_needed.
1018 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1019 to HARD_FRAME_POINTER_REGNUM conversions.
1020 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1021 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1022 (print_reg): Abort on FRAME_POINTER_REGNUM
1024 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1026 * i386.h (PREDICATE_CODES): Add aligned_operand.
1027 * i386.c (aligned_operand): New function.
1028 (ix86_aligned_p): Kill.
1029 * i386.md (movhi_1): Emit mov for aligned operands.
1030 (promoting peep2s): Use aligned_operand.
1032 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1034 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1035 expression to allow underscores in macro names.
1036 (fix_char_macro_defines): Increment scanning pointer.
1038 2000-01-23 Richard Henderson <rth@cygnus.com>
1040 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1041 * alpha/osf5.h: New file.
1042 * configure.in (alpha-*-osf5): Add it to tm_file.
1044 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1046 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1047 (alpha_emit_xfloating_cvt, function_arg): Declare.
1048 * alpha.c (alpha_emit_conditional_branch): Call
1049 alpha_emit_xfloating_compare for TFmode compares.
1050 (alpha_lookup_xfloating_lib_func): New.
1051 (alpha_compute_xfloating_mode_arg): New.
1052 (alpha_emit_xfloating_libcall): New.
1053 (alpha_emit_xfloating_arith): New.
1054 (alpha_emit_xfloating_compare): New.
1055 (alpha_emit_xfloating_cvt): New.
1056 (print_operand): Add default abort case.
1057 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1058 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1059 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1060 (RETURN_IN_MEMORY): True for TF/TCmode.
1061 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1062 (FUNCTION_ARG): Move to function_arg.
1063 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1064 (ASM_OUTPUT_LONG_DOUBLE): New.
1065 (ASM_OUTPUT_DOUBLE): Always output bits.
1066 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1067 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1068 (extenddftf2, trunctfdf2): New.
1070 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1072 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1073 * config/sparc/sol2.h: ... here.
1075 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1077 * basic-block.h (struct loops): New field `levels'.
1078 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1079 (flow_loop_level_compute): Initialise level to 1.
1080 (flow_loops_find): Set loops->levels.
1081 (flow_loops_dump): Print loops->levels.
1083 2000-01-23 Richard Henderson <rth@cygnus.com>
1085 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1086 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1088 2000-01-23 Richard Henderson <rth@cygnus.com>
1090 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1091 * i386.h (DBX_REGISTER_NUMBER): Use them.
1092 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1093 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1094 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1095 * i386/sequent.h: Kill incorrect comment.
1097 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1099 * ggc-page.c (struct page_entry): Make `context_depth' an
1101 (struct globals): Likewise.
1103 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1105 * loop.c (check_dbra_loop): When checking a loop for
1106 reversability, check the source of any stores to ensure
1107 they don't depend on an initial value.
1109 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1111 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1113 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1115 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1116 'pz_scan' into scope of entire function. Only affects
1117 compiles with -DDEBUG.
1119 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1121 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1122 section naming to that prior to 2000-01-07 patch.
1123 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1124 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1125 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1126 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1127 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1129 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1131 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1134 2000-01-21 Jim Wilson <wilson@cygnus.com>
1136 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1137 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1139 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1141 * cpphash.c (change_newlines): Delete function.
1142 (struct argdata): Delete 'newlines' and 'use_count' fields.
1143 (macroexpand): Remove code referencing those fields.
1145 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1147 * loop.c (loops_info): New variable.
1148 (loop_optimize): Allocate loops->array and free it on exit.
1149 Allocate memory for loops_info and assign to each loop,
1151 (find_and_verify_loops): Do not allocate loops->array.
1153 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1155 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1157 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1159 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1160 pseudos if expanded after first flow.
1161 (movdi_pic_label_ref): Likewise.
1163 2000-01-20 Richard Henderson <rth@cygnus.com>
1165 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1167 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1169 * Makefile.in (fixinc.sh): Depend on specs.
1170 * fixinc/Makefile.in: Add rule to create machname.h.
1171 (fixlib.o): Depend on machname.h.
1172 * fixinc/fixtests.c (machine_name): New test.
1173 * fixinc/fixfixes.c (machine_name): New fix.
1174 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1175 the machine_name test and fix.
1176 * fixinc/fixlib.h: Prototype it.
1177 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1178 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1180 * gcc.c (do_spec_1) [case P]: Take care not to create
1181 identifiers with three leading or trailing underscores.
1183 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1184 (fixincl): Don't specify libraries twice on link line.
1185 (gnu-regex.o): Remove special rule.
1186 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1187 defined by config.h. Do not define _REGEX_RE_COMP.
1188 (regcomp): Allocate and initialize a fastmap.
1189 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1191 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1193 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1195 2000-01-19 Richard Henderson <rth@cygnus.com>
1197 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1198 arguments with BB. Update all callers. Tidy line wrapping.
1200 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1202 * emit-rtl.c (try_split): Return last_insn if we split the
1205 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1207 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1208 (ix86_initial_elimination_offset): Declare.
1209 * i386.c (ix86_nsaved_regs): Break out from ...
1210 (ix86_can_use_return_insn_p): ... here.
1211 (ix86_emit_save_regs): Break out from ...
1212 (ix86_expand_prologue): ... here.
1213 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1215 (ix86_expand_epilogue): ... here.
1216 (ix86_compute_frame_size): Make static, add prototype.
1217 (ix86_initial_elimination_offset): Break out from ...
1218 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1220 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1222 * recog.h (OUT_FCN): Delete.
1224 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1226 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * cppalloc.c: PROTO -> PARAMS.
1229 * cpperror.c: Likewise.
1230 * cppfiles.c: Likewise.
1231 * cpplib.c: Likewise.
1232 * cpplib.h: Likewise.
1234 * config/arm/arm-protos.h: PROTO -> PARAMS.
1235 * config/arm/arm.c: Likewise.
1236 * config/c4x/c4x.c: Likewise.
1237 * config/fr30/fr30-protos.h: Likewise.
1238 * config/nextstep.c: Likewise.
1239 * config/pa/pa.c: Likewise.
1240 * config/pj/pj.c: Likewise.
1241 * config/rs6000/rs6000.c: Likewise.
1242 * config/v850/v850-protos.h: Likewise.
1243 * config/v850/v850.c: Likewise.
1245 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * i370-protos.h: New file.
1249 * i370.c: Include tm_p.h. Fix compile time warnings.
1251 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1254 * i370.md: Likewise.
1256 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1258 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1259 (target_isinf, target_isnan, eisnan): Mark parameter with
1261 (eiisinf): Wrap in INFINITY.
1262 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1263 (ibmtoe): Remove unused variable `rndsav'.
1265 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1267 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1268 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1270 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1272 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1273 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1274 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1276 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1277 Recognize Emacs mode markers also.
1278 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1279 C++ comments in C++ headers. Call is_cxx_header only if
1282 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1284 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1285 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1286 ... these, which use the new C fixes.
1287 (math_exception): Escape literal '+' in bypass expression.
1289 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1292 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1294 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1297 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1299 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1300 prior to calling scan_loop.
1302 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1304 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1305 (split_branches, calc_live_regs): Likewise.
1307 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1309 * sh.md (fpu_single, fp_mode): New attributes.
1311 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1313 * loop.c (current_loop_info): Renamed from loop_info_data
1314 and changed to a pointer.
1315 (loop_optimize): Allocate loop_info structure for each loop
1316 and initialise to zero.
1317 (scan_loop): Set current_loop_info.
1319 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1322 2000-01-19 Richard Henderson <rth@cygnus.com>
1324 * stupid.c: Die die die.
1325 * Makefile.in (OBJS): Remove stupid.o.
1326 (stupid.o): Likewise.
1328 * except.c (emit_eh_context): Don't emit USEs for stupid.
1329 * explow.c (probe_stack_range): Likewise.
1330 * flags.h (obey_regdecls): Remove.
1331 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1332 when not optimizing.
1333 (life_analysis): Limit data collection when not optimizing.
1334 (mark_regs_live_at_end): Always mark the return value registers.
1335 (mark_used_regs): Remove dummy RETURN case.
1336 (print_rtl_with_bb): Don't consult obey_regdecls.
1337 * function.c (use_variable, use_variable_after): Remove.
1338 (assign_parms): Consult optimize not obey_regdecls.
1339 (expand_function_start): Don't emit USEs for stupid.
1340 (expand_function_end): Likewise.
1341 * global.c (build_insn_chain): Export.
1342 * integrate.c (expand_inline_function): Kill return-value USE
1344 * jump.c (jump_optimize_1): Do simple jump optimizations and
1345 dead code elimination.
1346 (calculate_can_reach_end): Remove check_deleted argument.
1347 (delete_insn): Patch out insns even when not optimizing.
1348 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1349 * rtl.h (use_variable, use_variable_after): Remove declarations.
1350 (build_insn_chain): Declare.
1351 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1352 (expand_end_bindings): Likewise.
1353 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1354 * toplev.c (obey_regdecls): Remove.
1355 (rest_of_compilation): Don't set it. Kill stupid in favour of
1356 flow1, local-alloc, and reload.
1357 (main): Don't set obey_regdecls.
1359 * config/nextstep.c (handle_pragma): Likewise.
1361 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1363 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1365 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * alpha-protos.h: PROTO -> PARAMS.
1368 * alpha.c: Likewise.
1370 * h8300.c: Likewise.
1371 * i386-protos.h: Likewise.
1373 * m32r-protos.h: Likewise.
1376 * mips.md: Likewise.
1377 * gmon-sol2.c: Likewise.
1378 * sparc.c: Likewise.
1380 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1382 * ns32k-protos.h: New file.
1384 * ns32k.c: Fix compile time warnings.
1386 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1389 * ns32k.md: Likewise.
1391 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1393 * vax-protos.h: New file.
1395 * vax.c: Fix compile time warnings.
1397 * vax.h: Move prototypes to vax-protos.h. Fix compile time
1402 * vaxv.md: Likewise.
1404 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * romp-protos.h: New file.
1408 * romp.c: Fix compile time warnings.
1410 * romp.h: Move prototypes to romp-protos.h. Fix compile time
1413 * romp.md: Likewise.
1415 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * we32k-protos.h: New file.
1419 * we32k.c: Fix compile time warnings.
1421 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
1424 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1426 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
1428 * except.c (eh_regs): Likewise.
1430 * final.c (output_operand): Likewise.
1432 * fold-const.c (target_isinf, target_isnan): Likewise.
1434 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
1436 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
1437 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
1439 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
1441 (clrstrsi): Rewrite.
1442 (strsethi, strsetqi): New expanders.
1443 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
1444 (cmpstrsi): Emit compare insn before cmpstrsi_1
1445 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
1446 (strlensi_1): Likewise.
1447 (cmpstrsi_1): Likewise; do not output compare.
1448 (strlen expander): Do not unroll when optimizing for size.
1449 (*subsi3_carry): Rename to subsi3_carry
1450 (addqi3_cc): New pattern.
1451 * i386.h (processor_costs): Add move_ratio field.
1452 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
1453 * i386.c (*_cost): Set move_ratio.
1454 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
1455 (x86_expand_strlensi_1): Rewrite the main loop.
1457 2000-01-17 Richard Henderson <rth@cygnus.com>
1459 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
1460 * cse.c (find_comparison_args, fold_rtx): Likewise.
1461 * integrate.c (subst_constants): Likewise.
1462 * loop.c (get_condition): Likewise.
1464 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
1466 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
1468 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1470 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
1471 (RESTORE_WARN_FLAGS): Unpack it.
1472 Change semantic type of extension to ttype.
1473 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
1474 * c-parse.y, c-parse.c, objc/objc-parse.y,
1475 objc/objc-parse.c: Regenerate.
1477 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
1479 * fixinc/fixlib.c: Add copyright notice.
1480 (compile_re): New function.
1481 * fixinc/fixlib.h: Prototype compile_re.
1483 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
1484 Use compile_re to compile regular expressions.
1486 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
1487 where the pattern matched.
1489 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
1491 (ultrix_ansi_compat): Likewise.
1492 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
1494 (interactv_add2, interactv_add3): Delete.
1495 (x11_sprintf): Don't use filename glob.
1496 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
1499 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1501 * print-rtl.c: PROTO -> PARAMS.
1503 * reg-stack.c: Likewise.
1504 * resource.c: Likewise.
1505 * sdbout.h: Likewise.
1506 * simplify-rtx.c: Likewise.
1507 * stor-layout.c: Likewise.
1508 * stupid.c: Likewise.
1509 * xcoffout.c: Likewise.
1510 * xcoffout.h: Likewise.
1512 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1514 * toplev.c: PROTO -> PARAMS.
1515 * toplev.h: Likewise.
1518 * unroll.c: Likewise.
1519 * varasm.c: Likewise.
1520 * varray.c: Likewise.
1521 * varray.h: Likewise.
1523 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1525 * reload.c: PROTO -> PARAMS.
1526 * reload.h: Likewise.
1527 * reload1.c: Likewise.
1528 * reorg.c: Likewise.
1529 * resource.h: Likewise.
1532 * rtlanal.c: Likewise.
1533 * sbitmap.h: Likewise.
1534 * sdbout.c: Likewise.
1535 * stack.h: Likewise.
1537 * system.h: Likewise.
1539 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * machmode.h: PROTO -> PARAMS.
1542 * mbchar.h: Likewise.
1543 * mips-tdump.c: Likewise.
1544 * mips-tfile.c: Likewise.
1545 * optabs.c: Likewise.
1546 * output.h: Likewise.
1547 * prefix.c: Likewise.
1548 * profile.c: Likewise.
1549 * protoize.c: Likewise.
1551 * recog.c: Likewise.
1552 * recog.h: Likewise.
1553 * regclass.c: Likewise.
1554 * regmove.c: Likewise.
1557 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1559 * ggc-common.c: PROTO -> PARAMS.
1560 * ggc-page.c: Likewise.
1561 * ggc-simple.c: Likewise.
1563 * global.c: Likewise.
1564 * graph.c: Likewise.
1565 * gthr-win32.h: Likewise.
1566 * haifa-sched.c: Likewise.
1567 * halfpic.h: Likewise.
1568 * integrate.c: Likewise.
1569 * integrate.h: Likewise.
1572 * local-alloc.c: Likewise.
1576 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1578 * genattr.c: PROTO -> PARAMS.
1579 * genattrtab.c: Likewise.
1580 * gencheck.c: Likewise.
1581 * gencodes.c: Likewise.
1582 * genconfig.c: Likewise.
1583 * genemit.c: Likewise.
1584 * genextract.c: Likewise.
1585 * genflags.c: Likewise.
1586 * gengenrtl.c: Likewise.
1587 * genopinit.c: Likewise.
1588 * genoutput.c: Likewise.
1589 * genpeep.c: Likewise.
1590 * genrecog.c: Likewise.
1592 2000-01-16 Mark Mitchell <mark@codesourcery.com>
1594 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
1596 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1598 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
1599 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
1600 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
1601 * configure, config.in: Rebuilt.
1603 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
1605 * config/i386/i386.md: Add peephole to merge successive stack
1608 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
1610 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
1611 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
1612 when walking backwards to find all the parameter loads when
1613 the basic block ends in a call.
1615 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1617 * loop.c (this_loop_info): Delete.
1618 (uid_loop): Add in place of uid_loop_num. All uses updated.
1619 (loop_number_exit_count): Delete and replace with entry in loop
1620 structure. All uses updated.
1621 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1622 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
1623 (loop_outer_loop): Likewise.
1624 (loop_invalid, loop_number_exit_labels): Likewise.
1625 (loop_used_count_register): Delete and replace with entry in
1626 loop_info structure.
1627 (find_and_verify_loops): Add loops argument.
1628 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
1629 loop_end, etc. arguments with loop structure pointer. All callers
1631 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
1632 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
1633 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
1634 (insert_bct): Likewise.
1635 (basic_induction_var): New argument level.
1636 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
1637 vtop, and cont. Add used_count_register.
1638 (uid_loop): Delete declaration.
1639 (loop_number_exit_count): Likewise.
1640 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
1641 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
1642 (loop_outer_loop, loop_used_count_register): Likewise.
1643 (loop_invalid, loop_number_exit_labels): Likewise.
1644 (unroll_loop): Replace loop_start and loop_end arguments
1645 with loop structure pointer.
1646 (loop_precondition_p, loop_iterations): Likewise.
1647 Include basic-block.h.
1648 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
1649 with loop structure pointer.
1650 (loop_precondition_p, loop_iterations): Likewise.
1651 * basic-block.h (struct loop): New entries vtop, cont,
1652 cont_dominator, start, end, top, scan_start, exit_labels,
1654 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
1656 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1658 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
1660 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
1662 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
1664 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1666 * pdp11-protos.h: New file.
1668 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
1671 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
1674 * pdp11.md: Likewise.
1678 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * mn10300-protos.h: New file.
1682 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
1685 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
1688 * mn10300.md: Likewise.
1690 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * mn10200-protos.h: New file.
1694 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
1697 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
1700 * mn10200.md: Likewise.
1702 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1704 * h8300-protos.h: New file.
1706 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
1709 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
1712 * h8300.md: Likewise.
1714 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1716 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
1717 (asm_emit_uninitialised): Likewise.
1719 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
1721 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
1722 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
1724 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1726 * config/mips/mips.c (override_options): Don't turn on extra
1727 alignment for mips16.
1729 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1731 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
1732 eabi, and make sure queued POSTINCREMENT rtl is emitted at
1735 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1737 * builtins.c (PAD_VARARGS_DOWN): Define.
1738 (std_expand_builtin_va_arg): Use the above macro.
1739 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
1740 * tm.texi (Register Arguments): Document the above macro.
1742 2000-01-14 Nick Clifton <nickc@cygnus.com>
1744 * emit-rtl.c (emit_insn): If checking is enabled, make sure
1745 that this function has not been used to emit a jump
1748 * jump.c (return_jump_1): Cope with being passed a null rtx.
1750 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * eh-common.h: PROTO -> PARAMS.
1753 * emit-rtl.c: Likewise.
1754 * errors.c: Likewise.
1755 * errors.h: Likewise.
1756 * except.c: Likewise.
1757 * except.h: Likewise.
1758 * explow.c: Likewise.
1759 * expmed.c: Likewise.
1762 * final.c: Likewise.
1763 * fix-header.c: Likewise.
1765 * fold-const.c: Likewise.
1766 * function.c: Likewise.
1767 * function.h: Likewise.
1769 * gcov-io.h: Likewise.
1773 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1775 * sh-protos.h: New file.
1777 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
1778 Add static prototypes. Fix compile time warnings.
1780 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
1784 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * arc-protos.h: New file.
1788 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
1791 * arc.h: Move prototypes to arc-protos.h. Fix compile time
1796 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1798 * dsp16xx-protos.h: New file.
1800 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
1803 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
1806 * dsp16xx.md: Likewise.
1808 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1810 * convex-protos.h: New file.
1812 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
1815 * convex.h: Move prototypes to convex-protos.h. Fix compile time
1818 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1820 * elxsi-protos.h: New file.
1822 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
1825 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
1828 * elxsi.md: Likewise.
1830 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
1832 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
1833 case for moving from HI/LO/HI_LO_REG. This makes the behavior
1834 match the comment for MIPS16.
1836 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
1838 * flow.c (split_edge): Do not call set_block_for_insn if we
1839 do not have a basic_block_for_insn structure.
1841 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
1842 and destination functions are 32bit aligned within the trampoline.
1843 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
1844 (TRAMPOLINE_ALIGNMENT): Define.
1846 * cse.c (cse_insn): When changing (set (pc) (reg)) to
1847 (set (pc) (label_ref)), verify the change creates a valid insn.
1849 * fr30.c (call_operand): Tighten and rework to match rules for
1850 call RTL expressions.
1851 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
1852 * fr30.md (call patterns): Improve constraints.
1854 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
1856 * fr30.c (fr30_expand_epilogue): Revert last change.
1857 Use emit_jump_insn for the return insn.
1859 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
1860 Stan Cox <scox@cygnus.com>
1862 * predict.c: New file. Preliminary infrastructure work for static
1863 branch prediction and basic block reordering.
1864 * basic-block.h: Add prototype for estimate_probability.
1865 * Makefile.in: Add rules for predict.o.
1867 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
1869 * fixincludes (va_list): Use __not_va_list__ for the dummy.
1870 * fixinc/*: Likewise.
1872 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1874 * cccp.c: PROTO -> PARAMS.
1876 * collect2.c: Likewise.
1877 * combine.c: Likewise.
1878 * convert.h: Likewise.
1880 * dbxout.c: Likewise.
1881 * dbxout.h: Likewise.
1882 * diagnostic.c: Likewise.
1883 * doprint.c: Likewise.
1884 * dwarf2out.c: Likewise.
1885 * dwarf2out.h: Likewise.
1886 * dwarfout.c: Likewise.
1887 * dwarfout.h: Likewise.
1888 * dyn-string.h: Likewise.
1890 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
1893 macro conditionals guarding use.
1895 * dwarf2out.c: Include "tm_p.h".
1897 * function.c (locate_and_pad_parm): Mark parameter with
1899 (expand_function_end): Likewise for variable `context'.
1901 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
1903 2000-01-13 Nick Clifton <nickc@cygnus.com>
1905 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
1906 register to prevent compile time warnings.
1908 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
1910 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
1911 to avoid -Wtraditional warning.
1913 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1915 * 1750a-protos.h: New file.
1917 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
1920 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
1923 * 1750a.md: Likewise.
1925 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1927 * a29k-protos.h: New file.
1929 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
1932 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
1935 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1937 * clipper-protos.h: New file.
1939 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
1942 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
1945 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1947 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
1949 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
1951 * configure.in (--enable-new-gxx-abi): New option.
1952 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
1953 * Makefile.in (GXX_ABI_FLAG): New variable.
1954 * configure: Regenerate.
1956 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1958 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
1959 * tm.texi (FORCE_STRUCT_BLK): Document.
1960 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
1962 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
1964 * config/ns32k/ns32k.md: Revert Jan 9 change.
1966 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
1967 to a mode-test, if the predicate is address_operand.
1969 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
1971 * combine.c (if_then_else_cond): Be careful about what kinds
1972 of RTL expressions are passed to operand_subword.
1974 * flow.c (split_edge): If we have to insert a new jump, make
1975 sure to associate it with a basic block.
1977 * flow.c (commit_one_edge_insertion): A block with one successor
1978 can end in a JUMP_INSN that is not a simplejump.
1980 2000-01-12 Robert Lipe <robertl@sco.com>
1982 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
1983 (BUILD_VA_LIST_TYPE): Define.
1984 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
1987 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
1989 * cccp.c (do_pragma): Add cast to (char *).
1991 2000-01-12 Richard Henderson <rth@cygnus.com>
1992 Fred Fish <fnf@be.com>
1993 Jason Merrill <jason@cygnus.com>
1995 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
1996 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
1997 * i386/beos-elf.h, i386/beos-pe.h: New files.
1999 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2000 * cross-make (SYSTEM_HEADER_DIR): Define using
2001 CROSS_SYSTEM_HEADER_DIR.
2003 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2004 (process_command): Use it.
2005 (main): Likewise. Kill trailing = from env vars.
2006 (build_search_list): Put it back.
2007 * collect2.c (main): Use LIBRARY_PATH_ENV.
2009 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2010 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2012 * tm.texi (Frame Layout): Document SMALL_STACK.
2013 * c-common.c (c_common_nodes_and_builtins): Check it.
2015 * system.h: Undef alloca after including glibc's <stdlib.h>,
2016 if USE_C_ALLOCA is defined.
2018 * gcc.c (set_input): New fn.
2019 (main): After all input files are compiled, reset the input file
2022 * aclocal.m4 (rindex, index): If already defined, don't attempt
2025 * ginclude/varargs.h: (__va_list__): Define ifndef.
2026 * ginclude/stdarg.h: Likewise.
2028 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2029 instead of unsigned char.
2031 * hash.h (true, false, boolean): Undef before enum.
2033 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2034 proper type of "HOST_WIDE_INT *", rather than their natural type of
2035 "unsigned HOST_WIDE_INT *".
2037 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2041 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2043 * regclass.c (choose_hard_reg_mode): Likewise.
2045 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2047 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2049 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2051 * c-common.c: PROTO -> PARAMS.
2052 * c-common.h: Likewise.
2053 * c-decl.c: Likewise.
2054 * c-iterate.c: Likewise.
2055 * c-lang.c: Likewise.
2056 * c-lex.c: Likewise.
2057 * c-lex.h: Likewise.
2058 * c-parse.in: Likewise.
2059 * c-pragma.c: Likewise.
2060 * c-pragma.h: Likewise.
2061 * c-tree.h: Likewise.
2062 * c-typeck.c: Likewise.
2063 * objc/objc-act.c: Likewise.
2064 * objc/objc-act.h: Likewise.
2066 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * m88k-protos.h: New file.
2070 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2073 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2075 * m88k.md: Likewise.
2077 * tekXD88.h: Likewise.
2079 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2081 * m68k-protos.h: New file.
2083 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2086 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2088 * mot3300.h: Likewise.
2090 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2092 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2094 (extract_bitlist): Declare bitlen.
2096 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2098 * cccp.c: Accept and ignore -lang-fortran.
2100 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2101 qualifiers don't match at any level of pointerness.
2103 2000-01-12 Robert Lipe <robertl@sco.com>
2105 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2107 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2109 * reload1.c (reload_reg_unavailable): New static variable.
2110 (reload_reg_free_p): Test it.
2111 (reload_reg_free_for_value_p): Test it instead of
2113 (choose_reload_regs_init): Compute it.
2115 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2117 * reorg.c (fill_slots_from_thread): Check modified_in_p
2120 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2122 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2123 these nodes even if INTERNALS is not set.
2125 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2127 * gcse.c (delete_null_pointer_checks_1): Cope when
2128 get_condition cannot determine the condition.
2130 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2132 * toplev.h (set_message_length): Declare.
2134 * diagnostic.c (obstack_chunk_alloc): Define macro.
2135 (obstack_chunk_free): Likewise.
2136 (struct output_buffer): New data structure.
2138 (output_maximum_width): New variable.
2139 (doing_line_wrapping, set_message_length, init_output_buffer,
2140 get_output_prefix, output_space_left, emit_output_prefix,
2141 output_newline, output_append, output_puts, dump_output,
2142 vbuild_message_string, build_message_string, build_location_prefix,
2143 voutput_notice, output_printf, line_wrapper_printf,
2144 vline_wrapper_message_with_location): New functions. Implement
2145 automatic line wrapping.
2146 (v_message_with_decl): Make it handle automatic line wrapping.
2147 (v_error_with_file_and_line): Likewise.
2148 (v_warning_with_file_and_line): Likewise.
2149 (announce_function): Likewise.
2150 (default_print_error_function): Likewise.
2152 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2154 * cpplib.h (struct cpp_options): Change lang_asm to char.
2156 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2157 done in cpp_handle_option now.
2158 (initialize_builtins): Take out special case code used only by
2160 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2161 if -traditional. Recognize -lang-fortran and set
2162 lang_fortran, also turn off cplusplus_comments.
2163 (print_help): Document -lang-fortran.
2164 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2165 lang_asm. Ignore all directives other than `# 123 "file"' if
2167 (cpp_get_token): If -traditional, don't recognize directives
2168 unless the # is in column 1.
2169 (parse_string): If lang_fortran or lang_asm, silently
2170 terminate strings ('' or "") at end of line.
2171 Remove unnecessary braces.
2173 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2174 Richard Henderson <rth@cygnus.com>
2176 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2178 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2179 strict_low_part when possible.
2181 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * alias.c: PROTO -> PARAMS.
2184 * basic-block.h: Likewise.
2185 * bitmap.c: Likewise.
2186 * bitmap.h: Likewise.
2187 * builtins.c: Likewise.
2188 * c-aux-info.c: Likewise.
2189 * caller-save.c: Likewise.
2190 * calls.c: Likewise.
2192 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * Makefile.in (toplev.o): Depend on regs.h.
2196 * output.h (tdesc_section): Prototype.
2198 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2200 * sdbout.c: Include "tm_p.h".
2202 * toplev.c: Include "regs.h".
2204 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2206 * unroll.c (unroll_loop): Add EH support.
2208 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2210 * pa-protos.h: New file.
2212 * pa.c: Include recog.h and tm_p.h.
2213 (compute_zdepwi_operands, compute_movstrsi_length,
2214 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2215 find_addr_reg, import_milli): Add static prototypes.
2216 (pa_cpu_string, pa_arch_string): Constify a char*.
2217 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2218 (read_only_operand): Add argument `mode'.
2219 (singlemove_string, output_move_double, output_fp_move_double,
2220 output_block_move, output_and, output_ior, output_ascii,
2221 remove_useless_addtr_insns, milli_names, output_mul_insn,
2222 output_div_insn, output_mod_insn, output_arg_descriptor,
2223 output_cbranch, output_bb, output_bvb, output_dbra, ,
2224 output_millicode_call, output_call, hppa_encode_label,
2225 output_parallel_movb, output_parallel_addb): Constify a char*.
2226 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2227 (output_parallel_addb): Remove extra arg to `constrain_operands'
2229 * pa.h: Move all prototypes to pa-protos.h.
2230 (pa_cpu_string, pa_arch_string): Constify a char*.
2231 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2233 * pa.md: Call `function_label_operand' with mode argument.
2234 Likewise for `read_only_operand'.
2235 Fix nesting of parens in call to `symbolic_operand'.
2237 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2239 * i860-protos.h: New file.
2241 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2244 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2246 * i860.md: Likewise.
2248 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2250 * i386.md (movstrsi expander): Rewrite.
2251 (movstrsi_1 insn): Deleted.
2252 (strmovhi, strmovqi expander): New expanders.
2253 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2254 * i386.c (x86_single_stringop): New global variable.
2255 * i386.h (x86_single_stringop): Declare.
2256 (TARGET_SINGLE_STRINGOP): New macro.
2258 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2260 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2261 integer vararg POSTINCREMENT before the destination of the jump
2262 for the hard fp case.
2263 (function_arg_pass_by_reference): Pass a copy of CUM to
2266 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2267 for CONSTANT_ADDRESS_P above while loop for subreg.
2269 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2271 * flow.c (propagate_block): When a prologue/epilogue insn
2272 is marked dead, unconditionally clear libcall_is_dead and
2273 insn_is_dead, and only dump rtl if warnings aren't being
2276 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2278 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2279 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2280 (FIXED_REGISTERS): Set dirflag as fixed.
2281 (CALL_USED_REGISTERS): Set dirflag as used.
2282 (REG_ALLOC_ORDER): Set dirflag as last one.
2283 (DIRFLAG_REG): New macro.
2284 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2285 (HI_REGISTER_NAMES): Add dirflag.
2286 (DEBUF_PRINT_REG): Handle dirflag.
2287 * i386.md (type attribute): New cld and str types.
2288 (length_opcode attribute): Set cld and str to 1.
2289 (memory attribute): Set str to unknown - it is not clear from the
2291 (pent_np function unit): Prefixed string operations takes 12 cycles
2292 minimally; cld takes 2 cycles.
2293 (ppro_uops attribute): Str is "many" and cld is "few".
2294 (ppro_p0 unit): Handle cld here.
2295 (k6_alux unit): Handle cld and str types.
2296 (k6_load unit): It is ocupied by str opcodes.
2297 (k6_store unit): It is ocupied by str opcodes.
2298 (athlon_decode): Str is vector decoded.
2299 (athlon_ieu): Handle str and cld.
2301 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2302 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2303 cmpstrsi_nz_1 insn): Do not output cld instruction
2305 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2307 * gcc.texi (G++ and GCC): Add Java and Chill.
2308 (Bug Critera): Don't list languages.
2310 * gcc.texi (Incompatibilities): No longer claim most C compilers
2313 * gcc.texi (G++ and GCC): Update other front-ends list.
2315 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2317 * i386.c (ix86_expand_setcc): Fix typo.
2318 (ix86_expand_movcc): Similarly.
2320 * Band-aid until haifa's bitset implementation is nuked.
2321 * haifa-sched.c (extract_bitlst): New parameter for size of the
2322 bitset in bits. All callers changed. Avoid looking at undefined
2324 (edgeset_bitsize): New variable.
2325 (schedule_region): Initialize edgeset_bitsize.
2327 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * Makefile.in (optabs.o): Depend on real.h
2330 (resource.o): Depend on insn-attr.h
2332 * builtins.c (result_vector): Wrap prototype in macro conditions
2333 governing definition and use.
2335 * c-common.c: Include tm_p.h.
2337 * c-lex.c: Likewise.
2339 * elfos.h: Constify a char*.
2341 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2342 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2343 parameter with ATTRIBUTE_UNUSED.
2345 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2348 * haifa-sched.c (schedule_insns): Mark parameter with
2351 * optabs.c: Include real.h.
2353 * real.h (ereal_atof): Add prototype arguments.
2355 * resource.c: Include insn-attr.h.
2357 * sdbout.c (sdbout_queue_anonymous_type,
2358 sdbout_dequeue_anonymous_types): Wrap in macro
2359 SDB_ALLOW_FORWARD_REFERENCES.
2360 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2363 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2365 * stupid.c: Include tm_p.h.
2367 * tree.c (real_value_from_int_cst): Mark parameter with
2370 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2372 * i960-protos.h: New file.
2374 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2377 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2379 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2381 * combine.c (expand_field_assignment): Do not discard SUBREGs
2382 while computing nonzero_bits.
2384 2000-01-09 Nick Clifton <nickc@cygnus.com>
2386 * config/arm/arm.c: Fix compile time warnings about signed vs
2388 * config/arm/arm.h: Fix compile time warnings about signed vs
2391 2000-01-09 Philip Blundell <philb@gnu.org>
2393 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2394 than `ldm' with only one register.
2395 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
2398 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
2401 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
2403 * config/ns32k/ns32k.md (load or push effective address): Operand 1
2406 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2409 assignment used as truth value.
2411 * function.c (assign_temp): Mark parameter `dont_promote' with
2412 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
2413 PROMOTE_FOR_CALL_ONLY.
2415 * genrecog.c (write_subroutine): Mark variable `operands' with
2418 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
2421 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
2422 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
2424 * toplev.c (note_deferral_of_defined_inline_function): Likewise
2427 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2429 * config/c4x.h: Tidy up comments.
2430 * config/c4x.c: Likewise.
2432 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
2434 * fold-const.c (lshift_double, rshift_double): Handle
2435 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
2437 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2439 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
2440 in prepare_function_start().
2442 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
2444 * config/v850/v850.c (expand_epilogue): Interrupt functions no
2445 longer allocate extra stack for function calls.
2447 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2449 * config/c4x/c4x.md (*subqf3_set): Fix typo.
2451 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2453 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
2455 2000-01-07 David Edelsohn <edelsohn@gnu.org>
2457 * rs6000.c (processor_target_table): Add power3 as alias for 630.
2458 * aix43.h: Revert Aug 2 change.
2459 (HAS_INIT_SECTION): Define, not visible yet.
2460 (LD_INIT_SWITCH): Define, not visible yet.
2461 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
2463 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
2465 * collect2.c (main): Expand ld2 size further.
2466 (export_object_lst): Cast assignment to avoid warning.
2467 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
2468 (scan_prog_file, COFF): Do not collect initialization or
2469 finalization functions generated for entire shared object if
2470 init/fini support present.
2472 2000-01-07 Nick Clifton <nickc@cygnus.com>
2474 * config/elfos.h: Tidy up formatting of marcos. Make sure
2475 that .section directives are always prefixed by a tab.
2477 * config/svr4.h: Add #include "elfos.h" and remove duplicate
2480 2000-01-07 Matt Austern <austern@sgi.com>
2482 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
2485 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
2487 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
2489 (crtbegin.o, s-crtS): Likewise.
2491 2000-01-06 Richard Henderson <rth@cygnus.com>
2493 * alpha.md (adddi_2+1): Limit offset such that it will be
2494 loadable with a single ldah+lda pair.
2495 (adddi_2+2): Explicitly fail split if we can't make it work.
2497 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
2499 * protoize.c: Conditionally include unistd.h.
2500 (IS_SAME_PATH_CHAR): New macro.
2501 (IS_SAME_PATH): New macro.
2502 (CPLUS_FILE_SUFFIX): New macro.
2503 (cplus_suffix): New static variable.
2504 (is_abspath): New static function.
2505 (in_system_include_dir): Handle DOS style pathnames.
2506 (file_could_be_converted): Likewise.
2507 (file_normally_convertible): Likewise.
2508 (directory_specified_p): Likewise.
2509 (file_excluded_p): Likewise.
2510 (abspath): Likewise.
2511 (shortpath): Likewise.
2512 (referenced_file_is_newer): Likewise.
2513 (save_def_or_dec): Likewise.
2514 (do_processing): Likewise.
2516 (edit_file): Likewise. Use rename instead of link.
2517 (rename_c_file): Likewise. Don't rename syscalls file.
2518 (munge_compile_params): Define null device for DOS based systems.
2519 (process_aux_info_file): Use binary mode if appliable.
2520 (edit_file): Likewise.
2521 * invoke.texi (Running Protoize): Document C++ suffixes used.
2523 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
2524 IS_DIR_SEPARATOR macros.
2525 * collect2.c: Likewise.
2526 * cppinit.c: Likewise.
2527 * dwarf2out.c: Likewise.
2530 * prefix.c: Likewise.
2532 * toplev.c: Likewise.
2533 * system.h: And move to here.
2535 * prefix.c (update_path): Fix typo in variable name.
2537 2000-01-06 Richard Henderson <rth@cygnus.com>
2539 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
2540 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
2541 (count_reg_sets_1, count_reg_references): Likewise.
2542 (flow_loops_level_compute): Start counting actual loop depth at 1.
2543 (flow_loops_find): Likewise.
2544 * local-alloc.c (update_equiv_regs): Likewise.
2545 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
2547 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
2549 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
2550 FIRST_PSEUDO_REGISTER
2551 * dwarf2out.c: Don't include frame.h
2552 * dwarfout.c: Likewise
2553 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
2556 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
2558 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2561 * i386.c (movsf splitter): Fix typo in my last checkin.
2563 2000-01-05 Nick Clifton <nickc@cygnus.com>
2565 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
2566 own definition of this macro.
2567 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
2568 flag_data_sections or UNIQUE_SECTION_P are true.
2570 * tm.texi (UNIQUE_SECTION): Document that it can be called for
2571 unitialised data decls.
2573 * config/i386/winnt.c (i386_pe_unique_section): Cope with
2574 being called for uninitialised data.
2576 * config/i386/interix.c (i386_pe_unique_section): Cope with
2577 being called for uninitialised data.
2579 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
2580 for uninitialised data.
2582 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
2583 for uninitialised data.
2585 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
2586 for uninitialised data.
2588 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
2589 (UNIQUE_SECTION_P): Always generate a unique section if
2590 flag_data_sections is true.
2591 (UNIQUE_SECTION): Also generate unique sections for
2593 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
2594 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
2597 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2599 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
2602 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2604 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
2605 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
2606 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
2607 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
2608 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
2610 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
2612 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
2614 * c-decl.c (finish_enum): Simplify code to determine minimum and
2615 maximum values of the enum, and calculate the type. Remove check
2616 for FUNCTION_DECLs in the values list, which cannot happen. Replace
2617 the DECL_INITIAL of each enumeration constant with a copy converted
2618 to the enumeration type. When updating variant types, don't bother
2619 updating the type itself.
2621 * c-typeck.c (build_binary_op): Simplify conditional expressions
2622 when weeding out spurious signed-unsigned warnings. Add new
2623 spurious warning category: if the unsigned quantity is an enum
2624 and its maximum value fits in signed_type(result_type). Update
2626 (build_conditional_expr): Warn here if one alternative is signed
2627 and the other is unsigned.
2629 2000-01-05 Nick Clifton <nickc@cygnus.com>
2631 * config/fr30/fr30.h: Remove extraneous comments.
2633 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
2635 * reload1.c (choose_reload_regs): When disabling a reload, also
2636 set reload_spill_index to -1.
2638 2000-01-04 Joel Sherrill (joel@OARcorp.com>
2640 * configure.in (m68*-*-rtemscoff*): New target, formal name for
2642 (m68*-*-rtemself*): New target.
2643 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
2644 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
2645 (sparc*-*-rtemself*): New target.
2646 (sparc*-*-rtems*): Now elf not a.out.
2647 * config/i386/rtems.h: Include config/rtems.h.
2648 * config/i386/rtemself.h: Include config/rtems.h.
2649 * config/i960/rtems.h: Include config/rtems.h.
2650 * config/m68k/rtems.h: Include config/rtems.h.
2651 * config/m68k/rtemself.h: Include config/rtems.h.
2652 * config/mips/rtems64.h: Include config/rtems.h.
2653 * config/pa/rtems.h: Include config/rtems.h.
2654 * config/rs6000/rtems.h: Include config/rtems.h.
2655 * config/sh/rtems.h: Include config/rtems.h.
2656 * config/sh/rtemself.h: Include config/rtems.h.
2657 * config/sparc/rtems.h: Include config/rtems.h.
2658 * config/sparc/rtemself.h: Include config/rtems.h
2660 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
2662 * final.c (shorten_branches): Correctly compute length of
2663 asms without operands.
2665 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
2667 * configure.in: Add pj target.
2668 * configure: Regenerate.
2669 * config/pj: New directory.
2670 * config/pj/lib1funcs.S: New file.
2671 * config/pj/linux.h: New file.
2672 * config/pj/pj.c: New file.
2673 * config/pj/pj.md: New file.
2674 * config/pj/pjl.h: New file.
2675 * config/pj/t-pj: New file.
2676 * config/pj/xm-pj.h: New file
2678 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
2680 * toplev.c (rest_of_compilation): Run shorten-branches before
2683 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2685 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
2686 macros so that they're consistent with their names.
2687 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
2688 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
2690 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2692 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
2693 modified inadvertently.
2695 2000-01-04 Joel Sherrill <joel@OARcorp.com>
2697 * configure.in (v850*-*-rtems*): New target.
2698 * configure: Regenerate.
2699 * config/v850/rtems.h: New file.
2701 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
2703 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
2704 (__gthread_key_create): Likewise.
2705 (__gthread_key_dtor): Likewise.
2706 (__gthread_once): Fix logic.
2707 (__gthread_key_delete): Cast away constness.
2709 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
2710 * invoke.texi: Document.
2711 * i386/mingw32.h (CPP_SPEC): Use.
2712 (LIBGCC_SPEC): Likewise.
2713 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
2715 2000-01-04 David Edelsohn <edelsohn@gnu.org>
2717 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
2718 (HANDLE_PRAGMA_PACK): Undefine.
2719 (SLOW_UNALIGNED_ACCESS): Define.
2721 2000-01-04 David Edelsohn <edelsohn@gnu.org>
2723 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
2724 to default definition.
2725 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
2726 (store_fixed_bit_field): Call macro with word_mode and alignment.
2727 (extract_bit_field): Call macro with relevant mode and alignment.
2728 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
2729 to default definition.
2730 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
2732 (move_by_pieces_ninsns): Likewise.
2733 (clear_by_pieces): Likewise.
2734 (emit_push_insn): Likewise.
2735 (store_field): Call macro with relevant mode and alignment.
2736 (expand_expr): Likewise.
2737 (expand_expr_unaligned): Likewise.
2739 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
2740 (SLOW_UNALIGNED_ACCESS): Define.
2741 (CASE_VECTOR_MODE): Always use 32-bit offsets.
2742 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
2743 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
2744 (toc_section): Likewise and .toc pseudo-op.
2745 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
2747 (TEXT_SECTION_ASM_OP): Likewise.
2748 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
2751 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
2752 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
2753 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
2754 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
2755 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
2757 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
2759 * regclass.c: Revert my Jan 4 change to loop cost computation.
2761 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2763 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
2766 2000-01-04 Stan Cox <scox@cygnus.com>
2768 * haifa-sched.c (build_control_flow): Change unreachable simple
2769 loop test to check if current block has only one predecessor.
2770 (find_rgns): Initialize degree. Use dest as degree index, not src.
2772 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2774 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
2776 * calls.c (expand_call): Likewise for
2777 `old_stack_arg_under_construction'.
2779 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
2781 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
2784 * gcc.c (execute): Likewise for `ut' and `st'.
2786 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
2788 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
2790 * jump.c (jump_optimize_1): Likewise for `temp2'.
2792 * local-alloc.c (block_alloc): Likewise for `r1'.
2794 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
2796 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
2797 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
2799 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
2802 * reload.c (find_reloads): Likewise for `goal_alternative_number'
2803 and `goal_earlyclobber'.
2805 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
2807 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
2809 * stupid.c (stupid_life_analysis): Likewise for `chain'.
2811 * unroll.c (copy_loop_body): Likewise for `copy'.
2813 * varasm.c (output_constructor): Likewise for `byte'.
2815 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2817 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
2818 all FP constants for constant->reg moves.
2819 (ix86_split_to_parts): Try to convert memory address into immediate
2820 when available in the constant pool.
2821 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
2823 (LEGITIMATE_CONSTANT_P): Return 1.
2824 * i386.md (pushsf): New splitter to convert constant pool memory
2825 reference to immediate.
2826 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
2829 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
2831 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
2832 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
2833 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
2834 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
2835 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
2837 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
2839 * ginclude/stdbool.h: Support compilation as C++.
2841 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2843 * fold-const.c (make_range): Don't try to reverse an unbounded range.
2845 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
2847 * regclass.c (regclass): Properly compute loop_cost. Adjust
2850 * regclass.c: Fix minor whitespace problems.
2852 2000-01-03 Anthony Green <green@cygnus.com>
2854 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
2855 Restore the pic register if required.
2857 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
2859 * c-common.c (format_char_info): Update comment.
2860 (check_format_info): Recognize 'z' modifier in the same way 'Z'
2861 was recognized. Emit warning for formats new in ISO C99 only
2862 if flag_isoc9x is not set.
2864 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
2866 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
2868 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2870 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
2871 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
2872 (make_compound_operation): Choose cheaper alternative between
2873 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
2875 * regclass.c (op_costs): Remove global variable.
2876 (record_reg_classes): New parameter "op_costs" and "reg_pref".
2877 (record_operand_costs): Break out from ...
2878 (scan_one_insn): ... here.
2879 (dump_regclass): Make dumps nicer.
2880 (regclass): Dump preferrences choosed and changes done during passes.
2882 2000-01-03 Jakub Jelinek <jakub@redhat.com>
2884 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
2886 2000-01-03 Jakub Jelinek <jakub@redhat.com>
2888 * config/sparc/sparc.c (gen_df_reg): New function.
2889 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
2890 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
2891 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
2892 movtf_cc_reg_sp64+1): Use it.
2894 2000-01-02 Mark Mitchell <mark@codesourcery.com>
2896 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
2899 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
2901 * config/i386/i386.c (ix86_expand_unary_operator): Function
2902 definition made void.
2903 (ix86_expand_binary_operator): Update outdated preceding comment.
2904 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
2907 * config/i386/i386.c (override_options): Fix option-name typo.
2909 2000-01-02 Mark Mitchell <mark@codesourcery.com>
2911 * system.h (CEIL): Define.
2912 * builtins.c (CEIL): Remove.
2913 * expmed.c (CEIL): Likewise.
2914 * expr.c (CEIL): Likewise.
2915 * stor-layout.c (CEIL): Likewise.
2917 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2919 * expr.c (store_constructor_field): Fix typo introduced with last
2922 2000-01-01 Mark Mitchell <mark@codesourcery.com>
2924 * tree.h (BINFO_N_BASETYPES): New macro.
2926 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
2928 * expmed.c (emit_store_flag): Prevent losing a pending stack
2929 adjust the same way we prevent losing queued increments.
2931 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2933 * function.c (update_temp_slot_address): Handle case where sum of
2934 temporary address plus offset in register is a valid address.
2936 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2938 * genrecog.c (change_state) Corrected typo.
2940 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2942 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
2943 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
2944 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
2946 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
2948 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
2949 case, expand GT comparisons correctly. Fix a comment before this
2952 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
2954 * dwarfout.c: Include "frame.h"
2955 * dwarf2out.c: Likewise.
2956 * Makefile.in (dwarfout.o): Depend on frame.h
2957 (dwarf2out.o): Likewise.
2959 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
2961 Restore i386 binary compatibility in Dwarf EH info.
2962 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
2963 value of FIRST_PSEUDO_REGISTER.
2964 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
2965 (struct frame_state): Use DWARF_FRAME_REGISTERS.
2966 * dwarfout.c (output_reg_number): Ditto.
2967 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
2968 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
2970 1999-12-29 Bruce Korb <autogen@linuxbox.com>
2972 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
2973 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
2974 (<hack>_RE_CT): not needed
2975 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
2976 rewritten to scan the file text once only
2977 "template<..." test added
2978 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
2979 (is_cxx_header): declaration added
2980 * fixinc/fixtests.c(is_cxx_header): removed
2981 (apply_fix_p_t): removed
2982 (double_slash_test): is_cxx_header is only called once now
2983 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
2984 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
2985 within the templates.
2986 The borken spelling of "broken" was fixed.
2987 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
2988 The default level depends on FIXINC_DEBUG.
2990 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2992 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
2993 Otherwise provide a declaration for atexit.
2994 (init_dummy): Make sure dummy call to atexit is nevertheless
2995 called with correct number of args.
2997 * frame.c: Update comments referring to other files.
2999 * libgcc2.c: Likewise.
3001 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * cse.c (free_element, get_element): Remove unused prototypes.
3005 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3008 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3011 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3013 * configure.in,configure: case arm for mn10200-*-* now sets
3014 float_format=i32 so that float.h will correctly claim "double"
3015 to be 32 bits. Ran autoconf to generate configure from .in file.
3017 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3019 * pa.md (conditional zero): If op1 is a register, force it into
3020 the same register as op0.
3022 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3024 * tree.h (BINFO_BASETYPES): Improve documentation.
3026 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * configure.in (--enable-checking): Use a more portable `for'
3031 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3033 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3034 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3036 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3039 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3040 Delete descriptions.
3042 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3043 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3044 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3045 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3046 xm-svr4.h: Remove all instances of sys_siglist handling.
3048 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3050 * config/sparc/sparc.md (cmp_zero_qi,
3051 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3052 cmp_zero_extendqidi2_andcc_set): New patterns.
3054 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3056 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3057 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3058 (fpgnulib.c, xfgnulib.c): Add rules.
3059 * m68k/t-mot3300-gas: Likewise.
3061 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3063 * configure.in: Avoid [[ by using test and changequote. Add
3064 changequote required by 1999-12-14 change.
3065 * configure: Rebuild.
3067 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3069 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3071 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3073 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3074 * flow.c (find_use_as_address): Likewise.
3075 * function.c (fixup_var_refs_1): Likewise.
3076 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3077 * jump.c (invert_exp, redirect_exp): Likewise.
3078 * loop.c (replace_call_address): Likewise.
3079 (count_nonfixed_reads): Likewise.
3080 * rtlanal.c (modified_between_p): Likewise.
3081 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3082 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3083 * unroll.c (remap_split_bivs): Likewise.
3085 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3087 * diagnostic.c (v_message_with_decl): Use .* format specifier
3088 instead of building the format specifier width manually.
3090 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3091 determining whether to provide a prototype. Remove the
3092 sys_siglist clause in the conditional.
3094 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3096 * fold-const.c (operand_equal_p): Use memcmp to compare string
3098 Suggested by D. J. Bernstein
3100 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3102 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3103 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3105 * config/mips/mips.h (TARGET_64BIT): Likewise.
3106 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3107 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3108 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3109 dsps. Give routines proper names if SI/DI modes are not used.
3110 * longlong.h: Use DWunion instead of DIunion.
3112 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3114 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3115 GC_CHECKING, GC_ALWAYS_COLLECT.
3116 * configure.in: Allow --enable-checking with an argument
3117 listing check modes to enable.
3118 * config.in, configure: Rebuilt.
3119 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3120 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3121 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3122 ENABLE_GC_ALWAYS_COLLECT.
3123 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3125 * tree.h, tree.c: Change ENABLE_CHECKING to
3126 ENABLE_TREE_CHECKING throughout.
3128 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3130 * fold-const.c (fold_truthop): Properly check for FP RHS.
3132 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3134 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3135 * toplev.c (note_deferral_of_defined_inline_function): New
3136 function, split out from ...
3137 (rest_of_compilation): ... here. Use it.
3139 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3141 * expr.c (store_constructor): Don't call clear_storage if size is
3144 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3146 * Makefile.in (toplev.o): Depend on loop.h.
3148 * dwarfout.c: Include tm_p.h.
3150 * emit-rtl.c (restore_emit_status): Mark parameter with
3153 * final.c (final_scan_insn): Likewise.
3155 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3156 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3157 flow_depth_first_order_compute, flow_loop_pre_header_find,
3158 flow_loop_tree_node_add, flow_loops_tree_build,
3159 flow_loop_level_compute, flow_loops_level_compute,
3160 flow_loop_outside_edge_p): Add prototypes.
3161 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3163 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3164 Mark with ATTRIBUTE_NORETURN.
3166 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3168 * local-alloc.c (no_conflict_p): Likewise.
3170 * loop.c (insert_bct): Hide definitions of variables with hidden
3172 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3174 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3175 with ATTRIBUTE_UNUSED.
3176 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3177 (reg_scan): Likewise.
3179 * reload.c (find_reloads): Remove unused variables `changed'.
3181 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3183 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3184 Remove unused variable `insn'.
3186 * toplev.c: Include loop.h.
3187 (report_file_and_line): Remove unnecessary prototype.
3189 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3191 * unroll.c (biv_total_increment): Likewise.
3193 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3195 * reload1.c (emit_input_reload_insns): Restore old behaviour
3196 wrt. 'special' reloads.
3198 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3200 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3201 hash.h. (cse.c): Don't depend on hashtab.h.
3203 * cse.c: Don't include hashtab.h.
3204 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3206 * ggc-simple.c: Don't include hash.h.
3208 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3210 * dwarf2out.c (add_abstract_origin_attribute): Call
3211 gen_abstract_function on our function context.
3213 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3215 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3217 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3219 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3222 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3224 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3225 constraints to "a!r".
3227 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3229 * Makefile.in (calls.o): Depend on function.h.
3230 (alias.o): Likewise.
3232 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3234 * reload1.c (emit_reload_insns): Break out code and variables into...
3235 (input_reload_insns, other_input_address_reload_insns,
3236 other_input_reload_insns, input_address_reload_insns,
3237 inpaddr_address_reload_insns, output_reload_insns,
3238 output_address_reload_insns, outaddr_address_reload_insns,
3239 operand_reload_insns, other_operand_reload_insns,
3240 other_output_reload_insns): ... new static variables, and...
3241 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3242 do_output_reload): ... new functions.
3244 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3246 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3248 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3250 * md.texi: Add c4x constraints documentation.
3252 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3254 * config/i386/dgux.c (struct option): Rename to
3255 lang_independent_option.
3256 (struct m_options): Add description field.
3257 (output_options): Rename option type, add sep declaration, output
3258 ix86_cpu_string and ix86_arch_string only if set.
3259 (output_file_start): Rename option type.
3261 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3263 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3265 (libgcc2.a): Similarly.
3267 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3269 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3270 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3271 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3273 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3275 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3276 Remove redundant initialization of "frexpon" and "expon".
3278 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3280 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3282 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3283 (store_constructor_field, expand_expr): Pass new arg.
3285 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3287 * Makefile.in (explow.o): Depend on function.h.
3289 * stor-layout.c (set_sizetype): Fix typo.
3291 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3293 * function.c (cfun): Renamed from current_function. All users
3295 * function.h (cfun): Rename declaration as well.
3297 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3298 to be of type regset_head, not regset. All users changed by adding
3300 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3302 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3304 * config/c4x/rtems.h: New file.
3306 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3308 * reload1.c (spill_failure): Take class of failed reload as argument
3309 and print it. Caller changed.
3311 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3313 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3314 (TARGET_SWITCHES): Allow subtargets to default switches.
3315 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3317 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3319 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3322 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3324 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3325 * cppinit.c (cpp_handle_option): Likewise.
3327 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3328 determine when to define.
3330 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3332 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3333 cmove with mismatched test and data modes.
3335 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3337 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3340 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3342 * alias.c: Minor reformatting.
3345 * stor-layout.c: Likewise.
3346 * fold-const.c: Likewise.
3347 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3348 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3350 (size_int_wide): Cache nodes even if garbage collecting.
3351 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3352 of SAVE_EXPR has no side effects.
3353 * cse.c: Move a comment.
3354 * tree.c: Minor reformatting.
3355 (int_size_in_bytes): Return -1 if constant overflows.
3357 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3359 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3361 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3363 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3364 after any change to c-parse.in, even if objc-parse.y didn't
3367 1999-12-18 David S. Miller <davem@redhat.com>
3369 * toplev.c (rest_of_compilation): Restore BLOCK tree
3370 reconstruction and branch shortening changes lost in
3371 December 18th change.
3373 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3375 * config/arm/linux-elf.h: Change all instances of
3376 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3377 * config/arm/uclinux-elf.h: Likewise.
3379 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3381 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3382 v_message_with_decl, file_and_line_for_asm,
3383 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3384 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3385 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3386 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3387 pfatal_with_name, fatal_io_error, need_error_newline,
3388 last_error_function, last_error_tick, announce_function,
3389 default_print_error_function, print_error_function,
3390 report_error_function, fnotice, error_with_file_and_line,
3391 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3392 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3393 warning_with_decl, warning_for_asm, warning, pedwarn,
3394 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
3396 (compile_file): Use fnotice instead of notice. Adjust call.
3398 * diagnostic.c: New file.
3400 * Makefile.in (OBJS): Include diagnostic.o
3401 (diagnostic.o): Define dependence.
3403 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3405 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
3408 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3410 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
3412 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3414 * fixtests.c (is_cxx_header): New fn, split out of
3416 (else_endif_label): Allow "#endif // comment" in C++ headers,
3417 as determined by is_cxx_header.
3418 * fixfixes.c (else_endif_label_fix): Update comment.
3419 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
3421 * genfixes: Correct double thinko in commandline parsing.
3422 * hackshell.tpl: Generate correct sh syntax for bypass
3425 * inclhack.def (all): Whenever an inserted preprocessor
3426 conditional is split over multiple lines, use double
3427 backslashes in this file so the fixed header will be readable.
3429 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
3430 and add bypass entry for correct version of this header.
3431 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
3432 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
3434 (hpux8_bogus_inlines): New fix, split from...
3435 (ultrix_atof_param) ... here.
3436 (math_expression): Add bypass entry keyed to glibc comment
3437 indicating the problem has been dealt with; disable
3438 unnecessary sed operations; update commentary.
3439 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
3440 add select and bypass entries, simplify shell operation.
3441 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
3443 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
3444 ultrix_atof_param): Add select entry.
3445 (stdio_va_list, sunos_mather_decl): Add bypass entry.
3446 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
3447 comments with the fixes they describe.
3449 * c-parse.in (string action): Do not warn about ANSI string
3450 concatenation in system headers. Affects C parser only.
3451 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
3453 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3455 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
3456 compiling libgcc2 the macro depends always on arch cpp defines.
3458 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
3460 * loop.c (insert_loop_mem): Don't record MEMs from inside
3463 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
3465 * regclass.c (regclass): Do not use flowgraph when not optimizing.
3467 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
3468 notes too, create one when replacement failed, attempt to simplify
3470 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
3473 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3475 * crtstuff.c (__dso_handle): Declare.
3476 (__cxa_finalize): Likewise.
3477 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
3480 * invoke.texi: Document -fuse-cxa-atexit.
3482 * tree.h (ptr_type_node): Document.
3483 (const_ptr_type_node): Likewise.
3485 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3487 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
3488 (optimize_reg_copy_2): Likewise.
3489 (optimize_reg_copy_3): Likewise.
3490 (fixup_match_2): Likewise.
3491 (regmove_optimize): Likewise.
3492 (fixup_match_1): Liekwise.
3494 * i386.md (HI to SImode promoting splitters): Rewrite.
3495 (pushsf mem peep2): New.
3496 (testhi to andhi peep2): Remove.
3497 * i386.h (x86_promote_QImode): New.
3498 (TARGET_PROMOTE_QImode): New.
3499 (PREDICATE_CODES): Add promotable_binary_operator.
3500 * i386.c (x86_promote_QImode0: New.
3501 (promotable_binary_operator): New.
3502 * i386-protos.h (promotable_binary_operator): New.
3504 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
3506 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
3508 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3510 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
3511 * function.c (insert_block_after_note): Remove.
3512 (retrofit_block): Likewise.
3513 (identify_blocks): Fix indentation.
3514 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
3515 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
3516 * function.h (insert_block_after_note): Remove prototype.
3517 (retrofit_block): Likewise.
3518 * integrate.c (expand_inline_function): Don't call
3519 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
3520 just expand_start_bindings. Use the block_map to remap old
3521 NOTE_BLOCKs to new ones.
3522 (integrate_decl_tree): Keep track of remapped blocks.
3523 * integrate.h (struct inline_remap): Add block_map.
3524 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
3525 NOTE_BLOCK on the notes.
3526 (expand_start_bindings): Rename to ...
3527 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
3528 (expand_end_bindings): Set NOTE_BLOCK.
3529 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
3530 reconstruct the BLOCK tree.
3531 * tree.h (expand_start_bindings): Macroize. Call ...
3532 (expand_start_bindings_and_block): New function.
3534 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3536 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
3537 to match the format.
3539 1999-12-16 David S. Miller <davem@redhat.com>
3541 * expr.c (emit_move_insn_1): Only emit clobbers if one of
3542 the outputs is a SUBREG.
3543 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
3546 * config/sparc/sparc.c (epilogue_renumber): Add default case
3549 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3551 * toplev.c (rest_of_compilation): Run branch shortening after
3554 * regclass.c (loop_depth): Remove
3555 (scan_one_insn): Do not handle LOOP_NOTE insns.
3556 (regclass): Go through basic blocks and set loop_cost
3558 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
3560 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
3562 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3564 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
3565 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
3566 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
3568 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
3570 * loop.c (insert_loop_mem): Ignore memory clobbers.
3572 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
3575 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
3577 * profile.c: Remove redundant #include "output.h".
3579 * h8300.md (HImode preinc peephole): Fix typo.
3581 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3583 * function.c (retrofit_block): Abort if we don't find a suitable insn.
3584 (insert_block_after_note): Abort if we don't have a previous block.
3585 Remove FN parameter.
3586 * function.h: Adjust.
3588 1999-12-15 Mark Mitchell <mark@codesourcery.com>
3590 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
3591 argument more than once.
3593 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3595 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
3597 1999-12-15 Jakub Jelinek <jakub@redhat.com>
3599 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
3601 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3603 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
3604 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
3605 update stack_alignment_needed.
3606 (prepare_function_start): Initialize stack_alignment_needed
3607 * function.h (struct function): Add field stack_alignment_needed.
3609 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3611 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
3612 Handle live_throughout / dead_or_set instead of live_before /
3614 (save_call_clobbered_regs): Get register livenessinformation from
3615 chain->live_throughout.
3616 (add_stored_regs): New function.
3617 (insert_restore, insert_save): Add restored / saved registers to
3619 * global.c (reg_dies): New parameter chain.
3620 (reg_becomes_live): Third parameter is regs_set now.
3621 Changed all callers.
3622 (reg_dies): New parameter chain. Changed all callers.
3623 (build_insn_chain): Set live_throughout instead of
3624 live_before / live_after.
3625 * reload.h (struct insn_chain): Replace members live_before /
3626 live_after with live_throughout / dead_or_set.
3627 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
3628 instead of live_before / live_after.
3629 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
3630 (order_regs_for_reload, find_reg, finish_spills): Likewise.
3631 (choose_reload_regs_init): Likewise.
3632 * stupid.c (current_chain, find_clobbered_regs): Delete.
3633 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
3634 instead of chain->live_before / chain->live_after.
3635 (mark_hard_ref): New function.
3636 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
3638 1999-12-15 David S. Miller <davem@redhat.com>
3640 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
3642 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3644 * flow.c (calculate_loop_depth): Make global, remove prototype,
3645 rewrite to use new loop infrastructure.
3646 (find_basic_block): Remove calculate_loop_depth call.
3647 * toplev.c (rest_of_compilation): Call find_basic_block.
3648 * output.h (calculate_loop_depth): Declare.
3650 * flow.c (dump_flow_info): Dump loop_depth.
3651 (flow_loops_nodes_find): Increase loop_depth for basic block in the
3653 (flow_loops_find): Initialize the loop_depth for each basic block.
3655 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
3657 * tree.c (decl_function_context): Handle virtual functions.
3659 * tlink.c (scan_linker_output): Don't look in demangled name when
3660 looking for linker output keywords.
3662 * dwarfout.c (output_type): We can defer namespace-scope classes.
3664 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
3666 * regclass.c (record_reg_classes): Update comment for merging
3667 register class preferences in reg->reg copies. Tighten conditions
3668 for merging register class preferences in reg->reg copies.
3670 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
3672 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
3674 1999-12-14 Geoff Keating <geoffk@cygnus.com>
3676 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
3677 (INIT_SECTION_ASM_OP): Delete.
3678 (FINI_SECTION_ASM_OP): Delete.
3679 (STARTFILE_SPEC): Define to hold just crtbegin.o.
3681 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
3683 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
3684 the abstract origin wasn't emitted.
3686 * dwarf2out.c (class_scope_p): New fn.
3687 (gen_subprogram_die): Use it.
3688 (gen_variable_die): Use it. Tweak logic.
3689 (gen_struct_or_union_type_die): Check context_die to determine
3690 if we're function-local.
3691 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
3693 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3695 * loop.c (check_dbra_loop): Can't reverse a biv that has
3698 1999-12-14 Nick Clifton <nickc@cygnus.com>
3700 * config/arm/arm.c: Add support for -mcpu=arm720 command line
3703 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3705 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
3706 for givs made from biv increments.
3708 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
3710 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
3711 * alpha.c (override_options): Recognize -mcpu=ev67.
3712 * alpha.h (CPP_CPU_EV67_SPEC): New.
3713 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
3714 (EXTRA_SPECS): Update.
3716 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
3718 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
3719 appropriate for -lang-c89 and -std=*.
3720 * cppinit.c (cpp_handle_option): Likewise.
3721 (new_pending_define): New, split out from cpp_handle_option.
3722 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
3723 or enable trigraphs for -ansi/-std=*.
3725 * ginclude/stdarg.h (__va_copy): New.
3726 (va_copy): Don't define for C89.
3728 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
3730 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
3731 for long long multiply-accumulate.
3733 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3735 * regclass.c (scan_one_insn): Set loop_cost to 1 when
3736 optimizing for size.
3738 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3740 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
3741 if something changed. Back out that part of yesterday's changes.
3743 * loop.c (loop_max_reg): New static variable.
3744 (loop_optimize): Initialize it. Eliminate one unnecessary call to
3746 (scan_loop): Call reg_scan_update whenever we may have added new
3747 registers, and update loop_max_reg.
3749 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3751 * regclass.c (record_reg_classes): Do not do the copying preferrencing
3752 when source does not die.
3754 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
3756 1999-12-14 Jakub Jelinek <jakub@redhat.com>
3758 * config/sparc/linux64.h (TARGET_LIVE_G0,
3759 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
3761 * config/sparc/linux.h (TARGET_LIVE_G0,
3762 TARGET_BROKEN_SAVERESTORE): Likewise.
3763 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
3764 TARGET_BROKEN_SAVERESTORE): Likewise.
3766 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
3767 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
3769 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
3770 as sparc64 block profiling register.
3771 * config/sparc/sparc.c (sparc_override_options): Allow block
3772 profiling with -m32.
3773 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
3775 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
3776 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
3777 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
3779 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
3781 * config/sparc/sparc.h: Likewise.
3782 * config/sparc/xm-sysv4-64.h: Likewise.
3783 * config/float-sparc.h: Likewise.
3784 * glimits.h: Likewise.
3785 * longlong.h: Likewise.
3787 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
3788 (ASM_IDENTIFY_GCC): Remove.
3790 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
3792 * combine.c (combine_simplify_rtx): Don't make shared rtl.
3793 (simplify_logical): Likewise.
3795 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
3797 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
3798 * cppfiles.c (INO_T_EQ): Likewise.
3800 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
3802 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
3803 * i386/mingw32.h (LIB_SPEC): Likewise.
3804 (STARTFILE_SPEC): Likewise.
3805 * i386/uwin.h (LIB_SPEC): Likewise.
3806 (STARTFILE_SPEC): Likewise.
3808 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
3809 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
3811 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
3813 * combine.c (combine_simplify_rtx): Fix order of checks for
3814 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
3816 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
3818 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
3819 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
3821 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
3823 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
3825 * regclass.c (inv_reg_alloc_order): New array.
3826 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
3828 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
3829 counted_for_groups, counted_for_nongroups. Add fields rld and
3831 * reload.c (push_secondary_reload): Don't set nongroup field of
3833 (push_reload): Likewise.
3834 (find_reloads): Delete code to compute nongroup fields.
3835 * reload1.c (reload_insn_firstobj): New static variable.
3836 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
3838 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
3839 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
3840 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
3842 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
3844 (struct hard_reg_n_uses): Deleted.
3845 (potential_reload_regs): Deleted.
3846 (init_reload): Initialize spilled_pseudos and pseudos_counted.
3847 (reload): Don't try to allocate reload registers if we already know
3848 we have to make another pass. Call select_reload_regs. Free memory
3849 starting with reload_firstobj when starting another pass.
3850 Don't allocate spilled_pseudos.
3851 (calculate_needs_all_insns): Call copy_reloads for an insn that
3852 needs reloads; don't call calculate_needs.
3853 (spill_cost): New static array.
3854 (used_spill_regs_local): New static variable.
3855 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
3856 to compute potential_reload_regs.
3857 (find_reload_regs): Completely rewritten to use find_reg.
3858 (allocate_reload_reg): Don't test counted_for_groups or
3859 counted_for_nongroups. Lose NOERROR arg and code to give an error;
3861 (choose_reload_regs): Add fallback code that uses the existing
3862 register allocation from find_reload_regs.
3864 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
3866 * flow.c (create_edge_list): Cast xmalloc return value.
3868 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
3870 * doprnt.c: Remove incorrect comment closure.
3872 * cse.c: Fix a few minor whitespace goofs.
3874 1999-12-13 Don Bowman <don@pixstream.com>
3876 * mips/vxworks.h: Fix problem with comment termination.
3877 (EXTRA_SECTIONS): Add in_sbss.
3878 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
3880 1999-12-12 David S. Miller <davem@redhat.com>
3882 * cse.c (struct cse_reg_info): Add hash_next member,
3883 reorder rest of struct for better packing on 64-bit
3885 (cse_reg_info_tree): Kill.
3886 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
3887 REGHASH_FN): New custom pow2 hash mechanism.
3889 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
3890 use a pow2 hash table.
3891 (get_cse_reg_info): Rework to use new REGHASH.
3892 (new_basic_block): Likewise, use HASH_SIZE, and inline
3894 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
3895 and inline free_element call.
3896 (lookup_as_function, insert, flush_hash_table, invalidate,
3897 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
3898 invalidate_for_call, use_related_value, find_comparison_args,
3899 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
3900 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
3903 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
3905 * cse.c (cse_basic_block): Free qty_table consistently.
3907 1999-12-12 David S. Miller <davem@redhat.com>
3908 Jakub Jelinek <jakub@redhat.com>
3910 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
3911 SUBREGs by hand, gen the appropriate hard reg directly.
3912 (movtf reg/mem split): Likewise and alter_subreg on destination
3914 (movtf mem/reg split): Similarly.
3915 (movdf_cc_sp64): Rename from hidden pattern.
3916 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
3917 (movtf_cc_sp64, following split): New pattern and splitter.
3918 (movdf_cc_reg_sp64): Rename from hidden pattern.
3919 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
3921 (movtf_cc_reg_sp64, following split): New pattern and splitter.
3923 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
3925 * loop.c (load_mems): Don't hoist written floating point mem
3928 1999-12-12 Mark Mitchell <mark@codesourcery.com>
3930 * except.h (struct eh_queue): Add `next' pointer.
3931 (struct eh_status): Make x_ehqueue a pointer.
3932 (push_ehqueue): Declare.
3933 (pop_ehqueue): Likewise.
3934 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
3936 (expand_fixup_region_end): Likewise.
3937 (expand_leftover_cleanups): Likewise.
3938 (push_ehqueue): Define.
3939 (pop_ehqueue): Likewise.
3940 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
3941 than doing it inline.
3942 (expand_start_all_catch): Adjust now that ehqueue is a
3944 (mark_eh_queue): Mark all level of the queue.
3945 (mark_eh_status): Adjust now that ehqueue is a
3947 (init_eh_for_function): Allocate ehqueue.
3948 (free_eh_status): Free it.
3949 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
3950 expansion for a fixup.
3952 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3954 * gthr-single.h (__gthread_active_p): Add prototype arguments.
3956 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
3957 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
3958 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
3959 function_ptr, getpagesize, __enable_execute_stack,
3960 __enable_execute_stack, __clear_insn_cache,
3961 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
3962 _cleanup, _exit, __default_terminate, __terminate_func,
3963 __terminate, __empty, __throw, new_eh_context,
3964 eh_context_initialize, eh_context_static, eh_context_specific,
3965 get_eh_context, __get_eh_context, __get_eh_info,
3966 init_reg_size_table, eh_threads_initialize,
3967 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
3968 __unwinding_cleanup, throw_helper, __throw, __rethrow,
3969 __pure_virtual): Add prototype arguments.
3970 (__bb_exit_func): Cast a sizeof to long when comparing against one.
3971 Cast a signed value to unsigned long when comparing against one.
3972 (new_eh_context): Wrap in _GTHREADS macro.
3973 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
3975 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
3976 (throw_helper): Initialize variables `handler_p' and `pc_p'.
3978 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3980 * combine.c (record_promoted_value): Remove unused variable
3983 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
3985 * global.c (record_conflicts): Likewise for `j'.
3987 * genoutput.c (output_insn_data): Don't unnecessarily cast away
3990 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * i386-protos.h (output_387_binary_op, output_fix_trunc,
3993 output_fp_compare): Constify a char*.
3995 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
3997 (override_options, ix86_comp_type_attributes, print_operand,
3998 output_387_binary_op, output_fix_trunc, output_fp_compare):
4000 (ix86_sched_reorder): Mark parameter `clock_var' with
4003 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4005 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4007 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4008 operand, for use in the Java front-end.
4010 1999-12-10 Ben Collins <bcollins@debian.org>
4012 * configure.in: Fix typo for "-64" in 64bit as check.
4013 * configure: Rebuilt.
4015 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4017 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4020 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4022 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4023 concatenation is utilized.
4025 * invoke.texi (-Wtraditional): Document it.
4027 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4029 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4030 Cast a ptrdiff_t to long and pass it to printf with %ld.
4032 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4034 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4035 68881, we have no 68881 registers at all.
4036 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4037 value in a 68881 register if it is available.
4039 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4041 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4042 for long long multiply-accumulate.
4044 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4046 * loop.c (insert_loop_mem): Undo last change.
4048 1999-12-10 David S. Miller <davem@redhat.com>
4050 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4052 * config/sparc/sparc-protos.h: Add them.
4053 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4054 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4055 constraints which use those helpers.
4056 (EXTRA_CONSTRAINT): Use this new macro.
4057 * md.texi: Update sparc target constraints documentation.
4058 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4059 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4060 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4061 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4062 (movsf high/lo_sum split): Rework for new patterns.
4063 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4065 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4067 * c-common.c (c_common_nodes_and_builtins):
4068 Create __builtin_ptrdiff_t and __builtin_size_t.
4070 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4072 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4074 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4076 * regclass.c (globalize_reg): Re-instate test that allows
4077 fixed registers to be declared as a variable even after functions
4080 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4082 * i386.md (cpu attribute): Add "athlon".
4083 (athlon_decode): New attribute.
4084 (Athlon scheduling units definitions): New.
4085 (fcmp and shld patterns): Set athlon_decode to "vector".
4086 * i386.c (athlon_cost): New.
4088 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4089 x86_use_sahf): Set for Athlon.
4090 (x86_use_fiop): Unset for Athlon.
4091 (override_options): Define Athlon alignments and "athlon" name.
4092 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4093 * i386.h (TARGET_ATHLON): New.
4094 (enum processor_type): Add PROCESSOR_ATHLON.
4095 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4097 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4099 1999-12-09 Andreas Jaeger <aj@suse.de>
4101 * loop.c (record_biv): Declare parameter as int.
4103 * config/i386/i386-protos.h: Declare long_memory_operand.
4105 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4107 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4108 EXPR_WITH_FILE_LOCATION.
4110 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4112 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4115 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4117 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4120 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4122 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4123 default on linux64 again.
4124 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4125 models for multilibing.
4126 * genmultilib: Accept | as alternative separator within a set in
4129 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4131 * calls.c (precompute_arguments): Make sure initial_value contains
4132 value pseudo which CSE expects.
4133 * cse.c (struct set): New entry orig_src.
4134 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4137 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4139 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4141 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4143 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4145 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4147 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4148 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4150 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4153 * longlong.h: Merge in changes from glibc.
4154 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4155 -mno-app-regs libgcc can be compiled.
4156 * libgcc2.c: Add defines so that the updated longlong.h
4157 can be used in libgcc2.a. Also, make sure on most architectures
4158 (at least on all which have optimized code in longlong.h defined
4159 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4161 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4163 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4164 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4165 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4167 * configure: Rebuilt.
4169 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4171 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4172 outputs require a register.
4174 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4176 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4177 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4178 functions like dptoul will be resolved.
4179 (libgcc2.a): Make sure that the object files from DPBIT are named
4180 differently (prefix `_dp') from those that would be coming from
4183 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4185 * configure.in: When target is sparc* and tm_file contains 64,
4186 test for 64bit support in assembler. If not supported, remove
4187 sparc/t-sol2-64 from target-dependent Makefile fragments.
4188 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4189 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4190 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4191 * acconfig.h (AS_SPARC64_FLAG): Added.
4192 * configure, config.in: Rebuilt.
4193 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4194 support. Use AS_SPARC64_FLAG.
4196 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4198 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4199 suitable for holding OFmode values so that gcc works with complex
4201 (hard_64bit_mode_classes): Likewise.
4203 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4204 so that it is actually matched.
4205 (sethi_di_medlow): Likewise.
4207 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4208 as legitimate constant if -mvis.
4209 * config/sparc/sparc.md (movtf): Likewise.
4210 (clear_sf): Use const_double_operand.
4211 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4213 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4214 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4215 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4216 routines, _Qp_* cannot be handled like that now.
4217 (INIT_TARGET_OPTABS): Likewise.
4218 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4219 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4220 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4221 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4222 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4223 divtf3, sqrttf3): New expanders.
4224 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4225 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4226 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4229 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4230 * configure: Rebuilt.
4231 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4232 -mcpu is given and we're doing 64bit compiles.
4234 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4236 * loop.h (struct induction): Add multi_insn_incr.
4237 * loop.c (basic_induction_var): New multi_insn_incr argument.
4238 Set it if we search back through previous insns for the biv.
4239 (record_biv): New multi_insn_incr argument; fill in struct induction.
4240 (strength_reduce): Discard an iv with multiple bivs, any of
4241 which require multiple insns to increment.
4243 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4245 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4248 1999-12-06 David S. Miller <davem@redhat.com>
4250 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4251 PROMOTE_FUNCTION_RETURN.
4253 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4255 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4256 and handle REG_UNUSED note on insn.
4258 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4259 inner_mask instead of mask.
4261 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4263 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4264 zero if there was an error.
4266 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4268 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4271 * longlong.h: Fix clobbers in SPARC asm statements.
4273 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4274 valid sethi operations when TARGET_ARCH64.
4276 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4277 always use move_by_pieces to avoid infinite recursion.
4278 (restore_fixed_argument_area): Likewise.
4280 * combine.c (check_promoted_subreg, record_promoted_value): New
4282 (combine_instructions): Use them to retain nonzero and sign bit
4283 information after SUBREGs are eliminated by optimizations in
4284 this pass if PROMOTE_FUNCTION_RETURN.
4286 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4287 .register declaration. Don't use variables with __ prefixes.
4289 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4291 * fold-const.c (optimize_bit_field_compare): Only use one mode
4292 for both RHS and LHS in non-constant case.
4294 1999-12-06 Nathan Sidwell <nathan@acm.org>
4296 * frame.c (start_fde_sort): Only allocate erratic array, if
4297 linear one was allocated. Return allocated flag.
4298 (fde_insert): Only insert, if there's a valid array.
4299 (fde_end_sort): Split, sort and merge if linear and erratic
4300 arrays exist, else just sort linear one.
4301 (search_fdes): New function. Linear search through original fde
4303 (frame_init): Permit multiple initializations. Cope with
4305 (find_fde): Fallback on linear search, if failed to sort array.
4306 (__deregister_frame_info): Only free sorted array, if we
4309 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4311 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4313 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4315 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4317 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4319 * tree.h (special_function_p): Declare.
4320 * calls.c (special_function_p): Make it global. Don't take `name'
4321 as a parameter. Fix typo in 1999-11-28 change.
4322 (expand_cal): Adjust.
4324 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4326 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4327 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4328 EXPR_WFL_FILENAME_NODE.
4329 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4331 * print-tree.c (print_note): Print TREE_PRIVATE and
4334 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4335 the original die cannot be found.
4337 * varray.h (varray_head_tag): Add elements_used.
4338 (VARRAY_PUSH): New macro.
4339 (VARRAY_POP): Likewise.
4340 (VARRAY_TOP): Likewise.
4341 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4343 * varray.c (varray_init): Initialize elements_used.
4344 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4345 (INTEGRATE_H): New variable.
4346 (integrate.o): Depend on INTEGRATE_H.
4347 (unroll.o): Likewise.
4349 * function.h (insert_block_after_note): Declare.
4350 * function.c (insert_block_after_note): Split out from ...
4351 (retrofit_block): ... here.
4353 * stmt.c (expand_fixup): Fix typo in comment.
4355 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4357 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4358 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4359 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4360 (regmove_optimize, fixup_match_1): Likewise.
4362 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4364 * flow.c (flow_loops_dump): Add missing argument when calling
4367 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4368 Greg McGary <gkm@gnu.org>
4370 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4371 (init_attributes): Add A_NO_LIMIT_STACK.
4372 (decl_attributes): Handle A_NO_LIMIT_STACK.
4373 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4374 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4375 Handle stack bounds checking.
4376 * flags.h (flag_stack_check): Use the word 'probe' rather than
4377 'check', because the flag doesn't actually cause any checking to
4379 * function.c (expand_function_start): Set
4380 current_function_limit_stack.
4381 * function.h (struct function): Add limit_stack.
4382 (current_function_limit_stack): Define.
4383 * invoke.texi (Code Gen Options): Document new options.
4384 * rtl.h: Declare stack_limit_rtx.
4385 * toplev.c (stack_limit_rtx): New variable.
4386 (decode_f_option): Handle new options -fstack-limit-register=REG,
4387 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4388 (main): Add stack_limit_rtx as GC root.
4389 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4390 (struct tree_decl): New member no_limit_stack.
4392 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4394 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4395 (conditional_trap+1): Get new mnemonic correct.
4396 (conditional_trap+2): New pattern for DImode traps.
4398 * config/m68k/m68k.c (output_function_prologue): Handle
4400 * config/m68k/m68k.md (trap): New insn.
4401 (conditional_trap): New insn.
4402 * md.texi (Standard Names): Document `trap' and
4404 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
4405 so a cc0 setter doesn't get emitted at some random place in the
4408 * config/i960/i960.md (trap): New insn.
4409 (conditional_trap): New expander.
4410 (conditional_trap+1, conditional_trap+2): New insns for signed
4412 * config/i960/i960.c (i960_function_prologue): Use
4413 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
4415 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
4416 Geoffrey Keating <geoffk@cygnus.com>
4418 * flags.h (warn_padded, warn_packed): Add global var decls.
4419 * toplev.c (warn_padded, warn_packed): Add global var defns.
4420 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
4421 * stor-layout.c (layout_record): Add local variable `type'
4422 to hold often-used TREE_TYPE (field). Add local variable
4423 `unpacked_align' to hold alignment that would be in force
4424 if no `packed' attribute were present. Warn if `packed' attribute
4425 is unnecessary, or even harmful. Warn when gcc inserts padding
4426 to satisfy alignment requirements of members. Use NULL_TREE
4427 when checking whether var_size is set.
4428 * invoke.texi: Document new flags.
4430 1999-12-03 Nathan Sidwell <nathan@acm.org>
4432 * frame.c (fde_split): Reimplement to avoid variable sized array.
4434 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4436 * combine.c (try_combine): Before fixing up LOG_LINKS for the
4437 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
4439 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
4441 * invoke.texi: Document the mips option -mno-crt0
4443 1999-12-02 Mike Karr <mkarr@mathworks.com>
4445 * cccp.c (argdata): Added free_ptr member.
4446 (macroexpand): Initialize free_ptr of each argument. When an
4447 argument's buffers are freed, if the argument's free_ptr corresponds
4448 to a buffer on the input stack, then return the free_ptr to that stack
4449 frame, otherwise, free it.
4450 (macarg): If an argument begins and ends on the same input stack level,
4451 then transfer the free_ptr of that buffer to the argument in case
4452 the stack is popped during the processing of a subsequent argument.
4454 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
4456 * loop.c (note_reg_stored): New function.
4457 (struct note_reg_stored_arg): New structure.
4458 (try_copy_prop): Change to be more conservative; only replace within
4459 one extended basic block and stop replacing if a store to the
4460 replacement reg is seen.
4462 1999-12-02 Nick Clifton <nickc@cygnus.com>
4464 * config/fp-bit.c: Initialise all fields of the NAN
4467 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
4470 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4472 * i386.md (extend?f?f2): Force the input into a register, not
4475 1999-12-01 Jakub Jelinek <jakub@redhat.com>
4477 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
4479 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
4480 alternative because setting up 64bit constant is usually costly,
4481 especially when reload is in progress or completed.
4482 (movdf_const_intreg_sp64): Likewise.
4483 (movdf_const_intreg split): Fix building up constants when
4484 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
4486 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
4488 * combine.c (if_then_else_cond): Use const_true_rtx instead of
4489 const1_rtx for return values in EQ/NE comparison against (const_int 0)
4492 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
4493 (asm_file_start): Emit .am33 into assembly file when compiling for
4495 (print_operand_address): Handle POST_INC addresses.
4496 (can_use_return_insn, initial_offset): Check AM33 registers too.
4497 (expand_prologue): Check & save AM33 registers too.
4498 (expand_epilogue): Similarly.
4499 (secondary_reload_class): Handle AM33 specific secondary reloads.
4500 (output_tst): Emit efficient code for the AM33 too.
4501 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
4502 (TARGET_SWITCHES): Add -mam33 switch.
4503 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
4504 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
4505 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
4506 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
4507 (enum reg_class, REG_CLASS_NAMES): Likewise.
4508 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
4509 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
4510 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
4511 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
4512 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
4513 (HAVE_POST_INCREMENT): Define.
4514 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
4515 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
4516 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
4517 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
4518 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
4519 (zero_extend to SI from QI/HI): Likewise.
4520 (sign_extend to SI from QI/HI): Likewise.
4521 (mulsidi3, umulsidi3): New patterns for the AM33.
4522 (tstsi with zero extension from QI/HI): Add AM33 variants.
4523 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
4524 (return_internal_regs, store_movm): Handle new AM33 registers.
4525 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
4526 (LIBGCC, INSTALL_LIBGCC): Likewise.
4527 * invoke.texi: Document new flags.
4529 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
4531 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
4532 (addsi3_carry): Likewise.
4533 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
4534 (sbbsi3_carry): Likewise.
4535 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
4537 (test?i_1): Ensure that only one operand is memory.
4538 (conditional move patterns): likewise.
4539 (shift and rotate patterns): Rewrite to expander, add
4540 "binary_operator_ok" to the condition.
4542 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
4543 * i386.h (procesor_costs): Add movzbl_load field.
4544 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
4545 non-Q registers, accept DImode registers anywhere.
4547 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
4548 * i386.c (*_cost): Set value for movxbl_load field.
4550 * (addsi): New add to lea splitter.
4552 (lea to add/shift peep2): New.
4554 1999-12-01 Mark Salter <msalter@cygnus.com>
4556 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
4557 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
4558 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
4560 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4562 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
4563 * i386.md (movsi_xor): New.
4565 (movsi_1, movhi_1, movqi_1): Remove.
4566 (movsi_2): Rename to movsi_1.
4567 (movhi_2): Rename to movhi_1.
4568 (movqi_2): Rename to movqi_1.
4569 (movdi_1): Remove; remove splitter.
4570 (movdi_2): Rename to movdi_1.
4571 (divmodsi4 splitter): Do not emit clobbers for move patterns.
4572 (long move peep2): Do not create QI or HI mode mov0s
4573 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
4575 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
4578 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
4579 (abs?f2_if): Likewise.
4581 1999-11-30 Alex Samuel <samuel@codesourcery.com>
4583 * ggc.h (ggc_test_and_set_mark): New macro.
4584 (ggc_mark_rtx): Use ggc_test_and_set_mark.
4585 (ggc_mark_tree): Likewise.
4586 (ggc_mark_rtvec): Likewise.
4587 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
4589 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
4591 * dwarf2out.c (scope_die_for): Only handle types. Only search for
4593 (decl_scope_table): Just an array of trees now.
4594 (push_decl_scope): Simplify.
4595 (dwarf2out_init): Adjust.
4596 (local_scope_p): New fn.
4597 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
4598 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
4599 (gen_typedef_die): Likewise.
4600 (gen_lexical_block_die): Don't call push/pop_decl_scope.
4601 (gen_inlined_subroutine_die): Likewise.
4602 (gen_abstract_function): Set current_function_decl temporarily.
4603 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
4604 Handle block extern declarations. Don't call push/pop_decl_scope.
4605 (gen_decl_die): Fix logic for block externs.
4607 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4609 * calls.c (special_function_p): Remove `realloc' and add `strdup'
4610 to the list of functions which have attribute malloc by default.
4612 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
4615 integer constant does not match the traditional type, limit the
4616 warnings to cases where the base of the type is ten.
4618 * invoke.texi (-Wtraditional): Document it.
4620 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4622 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
4623 * rs6000.md: Only access a CONST_INT with INTVAL
4625 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
4627 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
4628 (compute_nearerout): Likewise.
4629 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
4630 size_t to unsigned long for formatting.
4632 1999-11-30 Jakub Jelinek <jakub@redhat.com>
4634 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
4635 Allow the user to override call-used/fixed state of %g2-5
4636 registers from the command line (with the exception of %g4 for
4638 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
4639 there is a higher chance of having a leaf function.
4640 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
4641 for ARCH64 which has %ccr register.
4642 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
4644 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
4645 insn accept into delay slot any insn which does not use %[ol]
4646 registers. Accept some LO_SUM and shift left by 1 for the normal
4648 (output_function_epilogue): Likewise.
4649 (epilogue_renumber): Added argument which inhibits any renumbering
4650 and just tests if the rtx does not use any %[ol] registers.
4651 (output_return): Reflect above change.
4653 1999-11-30 Jakub Jelinek <jakub@redhat.com>
4655 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
4656 aggregate passing for sizes <= 16 bytes.
4658 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
4660 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
4661 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
4662 * reload.c (find_dummy_reload): Likewise.
4663 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
4664 * reload1.c (reload_as_needed): Likewise.
4665 * stupid.c (stupid_find_reg): Likewise.
4666 * tm.texi (Obsolete Register Macros): Delete section.
4667 * gmicro.h: Remove all traces of the two macros.
4672 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
4674 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
4675 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
4676 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
4677 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
4678 units for the sparclite86x chip.
4679 (flush): Revert October 14th change; add SImode specifically.
4680 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
4681 * invoke.texi: Document it.
4683 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
4685 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
4686 psimode_truncation_operand.
4688 * config/mn10200/mn10200.c (psimode_truncation_operand): New
4689 function. Return true if the operand is either a MEM valid
4690 for a PSImode address or not a MEM at all.
4692 * config/mn10200/mn10200.md (truncsipsi2): Use
4693 psimode_truncation_operand.
4695 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4697 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
4698 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
4699 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
4700 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
4701 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
4702 (flow_loop_level_compute, low_loops_level_compute): Likewise.
4703 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
4704 * basic-block.h: Protect from multiple inclusion.
4705 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
4706 (struct loops, struct loop): Define structures.
4707 * sbitmap.c (sbitmap_a_subset_b_p): New function.
4708 * sbitmap.h: Protect from multiple inclusion.
4709 (sbitmap_a_subset_b_p): Add prototype.
4710 * Makefile.in (LOOP_H): New macro.
4711 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
4713 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
4715 * cppinit.c (CAT): The argument list of this macro may not contain
4718 1999-11-29 David S. Miller <davem@redhat.com>
4720 Move quantity tables and register equivalence chains into
4721 per-qty and per-register structure arrays respectively.
4722 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
4723 qty_const_insn, qty_comparison_code, qty_comparison_const,
4724 qty_comparison_qty): Delete, replace with...
4725 (qty_table): this structure table.
4726 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
4727 (reg_eqv_table): this structure table.
4728 (make_new_qty): Add argument MODE. Caller updated.
4729 Update to use qty_table and reg_eqv_table.
4730 (make_regs_eqv, delete_reg_equiv, insert_regs,
4731 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
4732 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
4733 cse_process_notes, cse_main, cse_basic_block): Likewise.
4735 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4737 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
4738 operation if C is negative.
4739 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
4740 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
4741 law for some divisions if constant is negative and change other
4742 divisions to the opposite rounding.
4744 * expr.c (store_constructor_field): If bit position is not multiple
4745 of alignment of TARGET's mode, use BLKmode.
4747 * expr.c (expand_expr_unaligned): Add more code from full case
4748 that is needed when OP0 is in a register.
4750 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4752 * dwarfout.c (field_byte_offset): Size can be zero if there was
4755 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
4757 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
4758 (associate_trees): Delete unused var TEM.
4759 (extract_muldiv): Delete unused var CANCEL_P.
4761 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
4762 (target_isinf, target_isnan, target_negative): Add return types to
4763 function definitions.
4765 1999-11-29 Bruce Korb <autogen@linuxbox.com>
4767 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
4768 * fixinc/hackshell.tpl: ditto
4769 * fixinc/fixtests.c(double_slash_test): more C++ header testing
4770 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
4772 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
4774 * reload.c (push_reload): When looking for a register to put into
4775 reg_rtx, make sure all hard regs in a multi-reg register are in the
4776 right class and nonfixed.
4778 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
4779 pending_read_insns, pending_write_insns, pending_read_mems,
4780 pending_write_mems, pending_list_length, last_pending_memory_flush,
4781 last_function_call, sched_before_next_call): Move static variables
4783 (bb_ prefixed versions): Replace with single array bb_deps.
4784 (struct deps): New structure.
4785 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
4786 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
4787 argument of type "struct deps *"; use that instead of global
4788 variables. All callers changed.
4789 (init_rgn_data_dependencies): Delete function.
4790 (init_rtx_vector): Delete function.
4791 (init_deps): New function.
4793 (free_pending_lists): Simplify, we always use the bb_deps array even
4794 if only one basic block.
4795 (compute_block_backward_dependences): Likewise.
4796 (schedule_region): Likewise.
4798 (propagate_deps): New function, broken out of
4799 compute_block_backward_dependences.
4800 (compute_block_backward_dependences): Use it.
4802 * alpha.md: Delete useless patterns that tried to work around
4803 register elimination problems.
4805 * unroll.c (loop_iterations): Don't abort if iteration variable
4808 From Joern Rennecke:
4809 * reload1.c (reloads_conflict): Reverse test comparing operand
4810 numbers when testing for conflict between output/outaddr reloads.
4812 1999-11-29 David S. Miller <davem@redhat.com>
4814 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
4816 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
4818 1999-11-28 Robert Lipe <robertl@cygnus.com>
4820 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
4821 table from .fini into .dtor.
4823 1999-11-28 Anthony Green <green@cygnus.com>
4825 * tree.h (struct tree_decl): Add malloc_flag.
4826 (DECL_IS_MALLOC): Define.
4827 * c-common.c (attrs): Add A_MALLOC attribute.
4828 (init_attributes): Add this attribute to the table.
4829 (decl_attributes): Handle malloc attribute.
4830 * calls.c (special_function_p): Check for the malloc attribute.
4831 * extend.texi (Function Attributes): Document malloc attribute.
4833 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
4835 * pa.md (reload shift-add patterns): Remove.
4837 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4839 * reorg.c (dbr_schedule) Print more statistics. Corrected
4840 problem when printing info when 3 delay slots are filled.
4842 1999-11-28 Jakub Jelinek <jakub@redhat.com>
4844 * combine.c (setup_incoming_promotions): Pass an outgoing
4845 regno to FUNCTION_ARG_REGNO_P which it expects.
4847 1999-11-28 Andreas Jaeger <aj@suse.de>
4849 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
4851 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
4853 * cccp.c (do_include): Avoid initialization of automatic variable.
4855 * integrate.c (mark_stores): Function definition made void, to match
4856 previous declaration.
4857 * regclass.c (dump_regclass): Ditto.
4858 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
4860 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4862 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
4863 known to be multiple of divisor.
4865 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
4867 * combine.c (try_combine): Add code to try to merge a set of a
4868 two-word pseudo to a constant with a setting of one of those words
4871 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
4872 (split_tree): Completely rework to make more general.
4873 (make_range, fold): Call negate_expr.
4874 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
4875 (fold, associate): Call new split_tree and associate_trees.
4876 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
4878 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
4880 * loop.c (try_copy_prop): Avoid GNU C extension.
4882 1999-11-25 Mark Mitchell <mark@codesourcery.com>
4884 * except.c (init_eh_for_function): Still zero eh_return_context,
4885 eh_return_stack_adjust, and eh_return_handler.
4887 * except.h (eh_status): Adjust documentation for x_protect_list.
4888 (begin_protect_partials): New function.
4889 * except.c (enqueue_eh_entry): Fix formatting.
4890 (get_first_handler): Add consistency check.
4891 (add_partial_entry): Adjust usage of protect_list.
4892 (emit_cleanup_handler): Save and restore ehqueue.
4893 (expand_start_all_catch): Add comment.
4894 (begin_protect_partials): New function.
4895 (end_protect_partials): Adjust usage of protect_list.
4896 (init_eh_for_function): Use xcalloc.
4898 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4900 * c-common.c (check_format_info): Don't call a variadic function
4901 with a non-literal format string.
4903 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
4905 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
4906 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
4909 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
4912 * collect2.c (collect_wait): Likewise.
4914 * dbxout.c (dbxout_type): Likewise.
4916 * gcc.c (do_spec_1): Likewise.
4918 * genemit.c (gen_insn, gen_expand): Likewise.
4920 * genrecog.c (write_switch, write_subroutine): Likewise.
4922 * mips-tfile.c (catch_signal, botch): Likewise.
4924 * print-rtl.c (print_rtx): Likewise.
4926 * toplev.c (default_print_error_function, report_error_function,
4927 _fatal_insn): Likewise.
4929 1999-11-25 Mark Mitchell <mark@codesourcery.com>
4931 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
4933 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4935 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
4936 operations when needed.
4937 * i386.md (fop_?f_comm): New.
4938 (fop_?f_1): Do not accept commutative operands.
4940 1999-11-25 Andreas Jaeger <aj@suse.de>
4942 * config/mips/mips.md (casesi_internal): Add missing brace.
4944 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
4946 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
4947 (splice_child_die): Handle moving a child DIE from the declaration
4948 DIE of a class to its specification.
4949 (gen_struct_or_union_type_die): Use 'complete' consistently.
4950 (gen_decl_die): Generate the virtual context DIE first.
4951 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
4953 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
4955 * config/mips/mips.md (call_value_multiple_interanal1): New.
4957 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
4959 * dwarf2out.c (free_AT, free_die): New fns.
4960 (remove_children): Call them.
4961 (output_line_info): Disable removal of duplicate notes.
4963 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
4964 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
4965 means pretend the type isn't defined.
4966 Don't defer emitting types.
4967 (gen_type_die_for_member): New fn.
4968 (gen_decl_die): Call it.
4969 (splice_child_die): New fn.
4970 (gen_member_die): Call it rather than generate duplicate dies.
4972 Defer emitting information for the abstract instance of an inline
4973 until we either inline it or emit an out-of-line copy.
4974 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
4975 from output_inline_function if DECL_ABSTRACT is also set.
4976 (block_ultimate_origin): Likewise.
4977 (gen_abstract_function): New fn.
4978 (gen_decl_die, gen_inlined_subroutine_die): Call it.
4979 (gen_subprogram_die): An abstract instance is not a declaration
4980 just because it doesn't match current_function_decl. Don't abort
4981 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
4982 has an abstract origin.
4983 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
4984 abstract instance here.
4986 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
4988 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
4989 where we need to reload fpul from a system register.
4991 1999-11-24 Andreas Jaeger <aj@suse.de>
4993 * config/mips/linux.h (CPP_PREDEFINES): Added.
4994 (LINK_SPEC): Remove -Y since this is only needed on sparc.
4996 1999-11-24 Andreas Jaeger <aj@suse.de>
4998 * config/mips/linux.h (TARGET_VERSION): Added.
4999 (HANDLE_SYSV_PRAGMA): Added.
5000 (DEFAULT_VTABLE_THUNKS): Added.
5002 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5004 * local-alloc.c (qty): New structure and static variable.
5005 (qty_phys_reg): Remove, all references changed to qty.
5006 (qty_n_refs): Likewise.
5007 (qty_min_class): Likewise.
5008 (qty_birth): Likewise.
5009 (qty_death): Likewise.
5010 (qty_size): Likewise.
5011 (qty_mode): Likewise.
5012 (qty_n_calls_crossed): Likewise.
5013 (qty_alternate_class): Likewise.
5014 (qty_changes_size): Likewise.
5015 (qty_first_reg): Likewise.
5016 (alloc_qty): Rename variable QTY to QTYNO.
5017 (finf_free_reg): Likewise.
5018 (local_alloc): Allocate qty, do not allocate the removed variables.
5020 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5022 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5023 when -membedded-pic is passed.
5025 * config/mips/mips.md (casesi): Handle 64-bit case too.
5026 (casesi_internal_di): New insn.
5028 * config/mips/mips.c (embedded_pic_offset): Always make the
5029 embedded-pic subtractions relative to the name of the current
5030 function by use of the magic string "..CURRENT_FUNCTION".
5031 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5033 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5035 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5036 of (const_int 0), when what we really care about is
5037 whether it's a zero constant anyway.
5038 (div_trap_mips16): Likewise.
5040 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5042 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5043 unroll_block_trees when generating debuggable code.
5045 * tree.h (unsave_expr_1): New function.
5046 (lang_unsave): New variable.
5047 (get_callee_fndecl): New function.
5048 * tree.c (unsave_expr_now_r): New function.
5049 (lang_unsave): Define.
5050 (unsave_expr_1): Likewise.
5051 (unsave_expr_now_r): Split out from unsave_expr_now.
5052 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5053 call unsave_expr_now_r.
5054 (get_callee_fndecl): Define.
5056 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5057 (gencheck.o): Do depend on lang_tree_files.
5059 * integrate.h (copy_decl_for_inlining): New declaration.
5060 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5061 (copy_decl_for_inlining): New function.
5062 (integrate_parm_decls): Use it.
5063 (integrate_decl_tree): Likewise.
5065 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5067 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5068 the second two from the first.
5069 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5070 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5071 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5073 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5074 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5077 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5079 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5080 needed on the address operand.
5081 * pa.c (call_operand_address): Check for the correct mode.
5083 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5085 * loop.c: Include "basic-block.h".
5086 (try_copy_prop, replace_loop_reg): New functions.
5087 (load_mems): Detect registers that just hold copies of the hoisted
5088 mem, and call try_copy_prop to eliminate them.
5089 * Makefile.in (loop.o): Update dependencies.
5091 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5093 * Makefile.in (gencheck.o): Depend on gencheck.h.
5094 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5095 (insn-peep.o): Depend on except.h and function.h.
5096 (insn-attrtab.o): Depend on RECOG_H.
5097 (insn-output.o): Depend on toplev.h and flags.h.
5098 (gengenrtl.o): Depend on real.h.
5099 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5100 Unify all dependencies to be on RECOG_H rather than recog.h.
5102 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5104 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5105 * configure.in: Try building a bi-arch 32/64-bit compiler on
5106 sparc-*-solaris2.7 and higher.
5107 * configure: Rebuild.
5109 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5111 * config/freebsd.h: New, FreeBSD architecture independent file.
5112 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5114 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5115 directly by i386/freebsd.h.
5116 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5117 independent configuration file.
5118 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5119 directly by i386/freebsd.h.
5120 * configure: Rebuilt.
5122 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5123 which is in the user's namespace.
5124 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5125 `i386' which is not in our namespace.
5127 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5129 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5131 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5133 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5134 (add_dwarf_attr, add_child_die): Just push onto the front.
5135 (reverse_die_lists): New fn.
5136 (add_sibling_attributes): Use it.
5137 (push_decl_scope): Reorganize.
5138 (add_name_and_src_coords_attributes): Don't set file and line for
5140 (gen_subprogram_die): An artificial function doesn't need to match
5142 (gen_compile_unit_die): Return the generated die. Only add
5143 AT_comp_dir if the filename is relative.
5144 (remove_AT): Simplify loop. Also free string values.
5145 (output_die): A DIE ref can't be null.
5146 (output_value_format, value_format): Take a dw_attr_ref.
5147 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5148 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5149 AT_addr, AT_lbl): New fns.
5150 (various): Use them.
5151 (various): Constify.
5153 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5155 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5156 take SUBREG_WORD into account.
5157 (if_then_else_cond): Likewise.
5159 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5161 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5162 clause from BSD license, pursuant with
5164 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5166 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5168 * loop.c (load_mems): Reformat slightly.
5169 * basic-block.h (regset_head): New typedef.
5170 (INIT_REG_SET): New macro.
5172 1999-11-22 Bruce Korb <autogen@linuxbox.com
5174 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5175 (mips-dec-bsd*): non-functional code
5176 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5178 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5179 added three replacement fixes
5180 (no_double_slash): removed comments that are not (any longer) pertinent
5181 (bad_lval): this fix currently runs against many files.
5182 The comment seems to indicate that we should select for files
5183 containing 'pragma extern_prefix'.
5185 * fixinc/fixinc.x86-linux-gnu: deleted
5186 * fixinc/inclhack.sh: regen
5187 * fixinc/fixincl.x: regen
5188 * fixinc/fixincl.sh: regen
5190 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5192 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5193 its code is INSN and it has no notes.
5195 1999-11-22 Andrew Haley <aph@cygnus.com>
5197 * varasm.c (function_defined): Remove.
5198 (make_function_rtl): Don't set function_defined.
5199 (make_decl_rtl): Remove global register warning.
5200 * regclass.c (no_global_reg_vars): New variable.
5201 (globalize_reg): Warn if function has already been defined.
5202 (regclass_init): Set no_global_reg_vars.
5204 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5206 * regclass.c (reg_pref): New structure and static variable
5207 (prefclass): Delete.
5209 (all uses of prefclass and altclass): Use reg_pref instead.
5211 1999-11-21 Nick Clifton <nickc@cygnus.com>
5213 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5215 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5216 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5217 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5219 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5221 * varasm.c (output_constructor): Solve problem with long long
5222 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5224 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5226 * global.c (allocno): New structure and static variable.
5227 (allocno_reg): Remove, all references replaced by allocno.
5228 (allocno_size): Likewise.
5229 (hard_reg_conflicts): Likewise.
5230 (hard_reg_preferences): Likewise.
5231 (hard_reg_copy_preferences): Likewise.
5232 (hard_reg_full_preferences): Likewise.
5233 (regs_someone_prefers): Likewise.
5234 (allocno_calls_crossed): Likewise.
5235 (allocno_n_refs): Likewise.
5236 (allocno_live_length): Likewise.
5237 (find_reg): Rename ALLOCNO to NUM.
5239 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5241 (may_move_out_cost): New variable.
5242 (init_reg_sets_1): Initialize may_move_out_cost.
5243 (record_reg_classes): Use may_move_out_cost.
5245 * regclass.c (dump_regclass): New function.
5246 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5247 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5248 pass rtl_dump_file to regclass.
5249 * rtl.h (regclass): Update prototype.
5251 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5253 * i386.md (neg, not and abs patterns): Revmap to use
5254 ix86_expand_unary_operator and ix86_unary_operator_ok.
5255 (add?f and sub?f expanders): Force operand 1 to register.
5256 * i386.c (ix86_expand_unary_operator): Rewrite.
5257 (ix86_unary_operator_ok): Ensure that memory operands
5259 (ix86_binary_operator_ok): Do not allow operand 1 to
5260 come into memory and operand 0 not.
5261 (ix86_expand_binary_operator): Ensure that
5262 src1 is not non-matching memory.
5264 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5265 to support integer registers and memory.
5266 (abss?2_integer): Likewise.
5268 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5269 (REG_CLASS_NAMES): Likewise.
5270 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5272 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5273 (movsf): Likewise; unify 4th and 5th alternative.
5275 (movdf_1): Likewise; rename to movdf_integer.
5276 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5277 remove redundant splitter.
5278 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5279 (movdf_nointeger): New.
5280 (movxf_nointeger): New.
5281 (pushxf_nointeger): New.
5283 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5284 memory operands in patterns.
5285 (fop*): Refuse two memory operands.
5287 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5288 on !TARGET_USE_CLTD CPUs.
5290 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5292 * extend.texi: Document C++ restricted pointers and references.
5294 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5296 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5297 (invalidate_skipped_set): Call it unconditionally.
5298 (cse_set_around_loop): Likewise.
5300 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5302 * rtl.texi (mem): Add documentation for alias-set argument
5305 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5307 * i386.h (struct_processor_costs): New fields int_load, int_store,
5308 fp_move, fp_load and fp_store
5309 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5311 (MEMORY_MOVE_COST): New macro.
5312 * i386.c (386_cost): Define new fields.
5313 (i486_cost): Likewise.
5314 (pentium_cost): Likewise.
5315 (pentiumpro_cost): Likewise.
5316 (k6_cost): Likewise.
5318 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5319 Geoffrey Keating <geoffk@cygnus.com>
5321 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5323 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5326 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5327 (TARGET_STRICT_ALIGNMENT): New macro.
5328 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5329 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5330 * invoke.texi (M680x0 Options): Document -mstrict-align.
5332 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5333 Richard Henderson <rth@cygnus.com>
5335 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5336 (ix86_split_long_move): Declare.
5337 * i386.c (split_xf, ix86_split_movdi): Remove.
5338 (ix86_split_to_parts, ix86_split_long_move): New.
5339 * i386.md (dimode move splitters): Use ix86_split_long_move.
5340 (dfmode move splitters): Likewise.
5341 (xfmode move splitters): Likewise.
5342 (movsf_1): Allow F->r.
5343 (movdf_1, movxf_1): Allow F->ro.
5345 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5347 * except.h (struct eh_entry): Add goto_entry_p.
5348 (eh_region_from_symbol): Remove prototype.
5349 * except.c (find_func_region_from_symbol): New function.
5350 (emit_cleanup_handler): Likewise.
5351 (eh_region_from_symbol): Make it static.
5352 (add_new_handler): Verify the argument.
5353 (find_func_region): Update comment.
5354 (expand_eh_region_end): Expand handlers here, rater than waiting
5355 until expand_leftover_cleanups or start_all_catch.
5356 (expand_leftover_cleanups): Don't expand here.
5357 (expand_start_all_catch): Or here.
5358 (expand_rethrow): Check the return value from find_func_region.
5359 * function.c (expand_function_end): Emit the catch_clauses.
5361 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5363 * integrate.c (expand_inline_function): Add necessary check for NULL.
5365 1999-11-18 Nick Clifton <nickc@cygnus.com>
5367 * toplev.c (main): Correctly detect an unrecognised option.
5369 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5370 a -f option if it has not been recognised.
5372 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5374 * basic-block.h (update_life_extent): Remove trailing comma on
5375 enumeration type list.
5377 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5379 * varasm.c (output_constructor) Solved problem with long long
5380 bitfields. Corrected calculating this_time and shift. Also
5381 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5383 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5385 * flow.c (split_edge): Take looping structure into account when
5386 determining where to put the new block note.
5388 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5390 * Makefile.in (ggc-none.o): Provide host specific version if
5393 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5395 * cse.c (delete_trivially_dead_insns): Identify no-op insns
5396 containing subregs too.
5398 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5400 * invoke.texi: Add documentation for -muninit-const-in-rodata.
5401 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
5402 (TARGET_UNINIT_CONST_IN_RODATA): Define.
5403 (text_section): Add switches -munint-const-in-rodata and
5404 -mno-uninit-const-in-rodata.
5405 (ASM_OUTPUT_COMMON): Remove.
5406 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
5407 const objects should be placed in read-only data. Otherwise declare
5410 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
5412 * jump.c (jump_optimize_1): Revert last change.
5414 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
5416 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
5417 test if optimizing for size.
5419 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5421 * Makefile.in (toplev.o): Depend on except.h.
5422 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
5424 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5426 * i386.md (divmodsi4): Rewrite to expander.
5427 (*divmodsi4_nocltd): New.
5428 (*divmodsi4_cltd): New.
5429 (divmodsi4 splitter): Handle the case when input comes in edx.
5430 (udivmodhi4): Do not use constraints in exander.
5431 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
5433 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
5435 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
5436 for the common case.
5438 1999-11-16 Jakub Jelinek <jakub@redhat.com>
5440 * explow.c (hard_function_value): Add outgoing argument.
5441 * expr.h (hard_function_value): Declare it.
5442 * calls.c (expand_call, emit_library_call_value): Update callers.
5443 * function.c (aggregate_value_p): Ditto.
5444 (diddle_return_value): Must look at the outgoing registers
5445 on archs with register windows.
5447 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
5449 * alpha.c (alpha_build_va_list): Use make_lang_type and
5450 initialize TYPE_NAME for the va_list record.
5452 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
5454 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
5456 * ggc.h (struct ggc_statistics): Rearrange elements for better
5457 packing on 64-bit hosts.
5458 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
5459 (compute_nearerout): Likewise.
5461 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
5463 * config/rs6000/rs6000.c (first_reg_to_save): Save
5464 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
5466 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
5468 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
5469 notion of nesting to find the DIE for a type or function.
5470 DIEs can go in limbo even if we got a context_die.
5471 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
5472 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
5474 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
5475 (gen_type_die): Writing out the context doesn't cause member class
5476 template instantiations to be written out as well.
5478 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
5480 * rs6000.h (ASM_OUTPUT_DEF): New.
5481 Based on proposed addition from David Edelsohn.
5483 1999-11-15 Robert Lipe <RobertLipe@usa.net>
5484 Bruce Korb <autogen@linuxbox.com>
5486 * fixinc/inclhack.def
5487 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
5488 (unixware7_byteorder_fix): added. Removes conflicts for new defs
5490 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
5491 (svr4_endian): enabled with SVR5
5492 (svr4_mkdev): simplified syntax and enabled with SVR5
5494 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
5496 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
5497 * configure: Rebuilt.
5498 * config/t-freebsd-thread: New file.
5500 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
5502 * i386.c (ix86_decompose_address): Verify the base is a REG
5503 before trying to examine its register number.
5505 * basic-block.h: Remove all #defines and prototypes related to
5507 (free_bb_mem, compute_preds_succs): Remove prototype.
5508 * rtl.h (free_bb_mem): Remove prototype.
5509 * flow.c (alloc_int_list_node); Remove function.
5510 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
5511 (compute_preds_succs, free_bb_mem): Likewise.
5512 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
5513 * toplev.c (rest_of_compilation): Likewise.
5514 * haifa-sched.c (build_control_flow): Use flow generated edge
5515 list to build the haifa specific edge list.
5516 (find_rgns): Use new CFG data structures instead of pred/succ lists.
5517 (schedule_insns): Do not build pred/succ lists anymore. Instead
5518 build the edge table.
5520 * basic-block.h (dump_bb_data): Remove declaration.
5521 * flow.c (dump_bb_data): Remove function.
5522 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
5523 (sbitmap_union_of_predsucc): Likewise.
5525 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
5526 argument. All callers changed.
5527 (delete_null_pointer_checks_1): No longer need to compute the
5530 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
5531 All callers changed.
5532 (pre_expr_reaches_here_p_work): Likewise.
5533 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
5534 * lcm.c (compute_laterin): Fix initialization of LATER.
5535 (compute_nearerout): Similarly for NEARER.
5537 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5539 * cse.c (set_nonvarying_address_components): Delete unused function.
5540 (refers_to_p): Likewise.
5542 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
5544 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
5547 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5549 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
5550 definition in do while (0).
5552 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
5554 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
5556 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
5558 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
5560 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
5562 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
5563 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
5564 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
5565 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
5567 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
5568 saved on the stack. Output more accurate stack frame statistics
5569 into assembler file.
5571 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
5573 * genextract.c (record_insn_name): New function.
5574 (get_insn_name): No longer a stub.
5575 (main): Call record_insn_name for each insn. After each label
5576 written, print the insn name in a comment.
5578 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5580 * output.h (const_section, init_section, fini_section): Add
5583 * alpha/elf.h (const_section): Delete declaration.
5585 * svr4.h (const_section): Likewise.
5587 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
5589 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
5590 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
5591 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
5593 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
5594 variable-sized array bounds.
5596 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
5598 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
5601 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5603 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
5604 addresses the same way GO_IF_LEGITIMATE_INDEX does.
5606 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5608 * cse.c (hash_arg_in_struct): Delete.
5609 (struct table_elt): Delete elt in_struct.
5610 (struct set): Delete elt src_in_struct.
5611 (merge_equiv_classes): Don't set either hash_arg_in_struct or
5612 the corresponding in_struct elts.
5613 (canon_hash): Likewise.
5614 (safe_hash): Likewise.
5615 (find_best_addr): Likewise.
5616 (record_jump_cond): Likewise.
5617 (cse_insn): Likewise.
5619 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
5621 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
5623 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
5626 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
5628 * function.c (diddle_return_value): Put back check that the DECL_RTL
5629 for the function is a register.
5631 * function.c (diddle_return_value): Use hard_function_value to
5632 get an rtx suitable for use in the USE/CLOBBER insn.
5634 * global.c (global_conflicts): Update comments.
5635 (record_conflicts): No need to record conflicts between pseudos here.
5637 1999-11-11 Bruce Korb <autogen@linuxbox.com>
5639 * fixinc/fixincl.c: Added verbose levels for status messages
5641 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5643 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
5644 operand as argument to expand_and or expand_binop.
5646 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
5648 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
5649 gcc_add_string_root.
5651 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
5653 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
5655 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
5657 * flow.c (compute_flow_dominators): Initially put all blocks on
5659 * lcm.c (compute_antinout_edge, compute_available): Similarly.
5660 * gcse.c (compute_cprop_avinout): Remove.
5661 (compute_cprop_data): Use compute_available.
5662 (delete_null_pointer_checks_1): Use compute_available.
5664 * basic-block.h (compute_available): Returns a void now.
5665 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
5666 to return a value anymore.
5667 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
5668 worklists. Fix boundary cases. Compute maximal solutions.
5669 (compute_laterin, compute_nearerout): Similarly.
5671 * dwarf2out.c (add_AT_location_description): Allow
5672 (mem (plus (pseudo) (...)) too.
5674 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
5676 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
5678 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
5679 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5681 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
5683 * gansidecl.h: Likewise.
5689 * toplev.h: Likewise.
5695 * varray.c: Likewise.
5697 * varray.h: Likewise.
5699 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
5701 * gcov.c (struct arcdata): Add hits and total, remove prob.
5702 (output_branch_counts): New.
5703 (process_args): Set output_branch_counts if -c.
5704 (calculate_branch_probs): Store hits and total instead of
5706 (output_data): Emit counts if output_branch_counts is true.
5707 * gcov.texi (Invoking Gcov): Document -c switch..
5709 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
5711 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
5712 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
5714 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
5716 * invoke.texi (C Dialect Options): Add missing builtins from
5718 * extend.texi (Other Builtins): Copy to this list.
5720 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5722 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
5723 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
5726 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
5728 * flow.c (compute_flow_dominators): No longer treat basic block 0
5729 or (n_basic_blocks - 1) specially. Clear the AUX field before
5730 starting computation of doms/pdoms. Fix initial state for pdoms.
5732 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5734 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
5735 match rtl.o's: added ggc.h and toplev.h
5736 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
5737 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
5738 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
5740 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
5742 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
5743 from HAVE_DOS_BASED_FILESYSTEM.
5744 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
5745 HAVE_DOS_BASED_FILESYSTEM.
5747 (split_directories): Only special-case DOS file names if
5748 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
5749 instead of explicit tests. Conditionalize on !VMS.
5750 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
5751 tests. Conditionalize on !VMS.
5752 (process_command): Only use make_relative_prefix if !VMS.
5753 (free_split_directories): Conditionalize on !VMS.
5754 (DIR_UP): Conditionalize on !VMS.
5756 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
5758 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
5760 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
5762 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
5765 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
5767 * invoke.texi (Environment Variables): Document relative path
5769 * gcc.c (DIR_UP): If not defined, define as "..".
5770 (standard_bindir_prefix): New static, holds target location to
5772 (split_directories): New function to split a filename into
5773 component directories.
5774 (free_split_directories): New function, release memory allocated
5775 by split_directories.
5776 (make_relative_prefix): New function, make a relative pathname if
5777 the compiler is not in the expected location.
5778 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
5779 can figure out an appropriate prefix from argv[0].
5780 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
5781 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
5782 STANDARD_BINDIR_PREFIX.
5784 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5786 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
5788 * config/c4x/c4x.h: Moved prototypes to c4x.h.
5789 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
5790 c4x_secondary_memory_needed) Delete.
5791 (fp_zero_operand): Add mode argument.
5793 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
5795 * reload1.c (reload_reg_free_for_value_p): Don't use a register
5796 that is in reload_reg_used.
5798 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
5800 * config/arm/arm-protos.h: New file: Prototypes for functions
5801 defined in arm.c and pe.c.
5802 * config/arm/arm.h: Fix compile time warnings.
5803 * config/arm/arm.c: Fix compile time warnings.
5804 * config/arm/pe.h: Fix compile time warnings.
5805 * config/arm/aout.h: Fix compile time warnings.
5807 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
5809 * config/m32r/m32r-protos.h: New file: Prototypes for functions
5812 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
5813 Add support for subtargets.
5814 Add prototypes for new predicates.
5815 Add scheduling macros.
5817 * config/m32r/m32r.c: Fix compile time warnings.
5818 (int8_operand): New predicate function.
5819 (reg_or_cmp_int16_operand): New predicate function.
5820 (extend_operand): New predicate function.
5821 (m32r_adjust_code): New scheduling function.
5822 (m32r_adjust_priorty): New scheduling function.
5823 (m32r_sched_init): New scheduling function.
5824 (m32r_sched_reorder): New scheduling function.
5825 (m32r_sched_variable_issue): New scheduling function.
5826 (direct_return): New codegen function.
5827 (m32r_not_same_reg): New rtl testsing function.
5829 * config/m32r/m32r.md: Fix compile time warnings.
5830 Add support for pre decrement and post increment memory
5835 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5837 * global.c (EXECUTE_IF_CONFLICT): Don't define.
5838 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
5839 (find_reg): Likewise.
5841 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
5843 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
5844 to avoid assembler errors.
5846 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
5848 * config/v850/v850-protos.h: New file: Prototypes for functions
5850 * config/v850/v850.h: Move prototypes to v850-protos.h
5851 * config/v850/v850.c: Move prototypes to v850-protos.h
5852 * config/v850/v850.md: Fix compile time warnings.
5854 * config/fr30/fr30-protos.h: New file: Prototypes for functions
5856 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
5857 * config/fr30/fr30.c: Fix compile time warnings.
5858 * config/fr30/fr30.md: Fix compile time warnings.
5860 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
5862 * tree.h (get_containing_scope): Declare it.
5863 * tree.c (get_containing_scope): New fucntion.
5864 (decl_function_context): Use it.
5865 * toplev.c (rest_of_compilation): Use get_containing_scope.
5867 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5869 * Makefile.in (rtl.o): Depend on toplev.h.
5871 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
5873 * cse.c (delete_trivially_dead_insns): Replace alloca with
5875 * except.c (update_rethrow_references): Likewise.
5876 (init_eh_nesting_info): Likewise.
5877 * function.c (identify_blocks): Likewise.
5878 * gcse.c (dump_hash_table): Likewise.
5879 * graph.c (print_rtl_graph_with_bb): Likewise.
5880 * loop.c (combine_movables): Likewise.
5881 (move_movables): Likewise.
5882 (count_loop_regs_set): Likewise.
5883 (strength_reduce): Likewise.
5884 * profile.c (compute_branch_probabilities): New function, split
5886 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
5887 * regclass.c (regclass): Likewise.
5888 * regmove.c (regmove_optimize): Likewise.
5889 * toplev.c (compile_file): Likewise.
5890 (main): Don't mess with the stack rlimit.
5892 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
5894 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
5895 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
5897 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
5899 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
5901 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
5903 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
5904 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
5907 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
5909 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
5911 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
5913 * gcse.c (post_dominators): Kill.
5914 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
5915 (compute_code_hoist_data): Use compute_flow_dominators. Do not
5916 pass in a pdom array since we do not need pdoms.
5917 * haifa-sched.c (schedule_insns): Similarly.
5918 * flow.c (compute_dominators): Remove dead function.
5919 (compute_flow_dominators): Do not compute doms or pdoms if the
5920 caller does not request them. Split up loop to build doms and
5921 pdoms. Use a worklist to compute doms and pdoms.
5922 * basic-block.h (compute_dominators): Remove prototype.
5924 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
5926 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
5927 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
5928 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
5929 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
5930 (cant_move, fed_by_spec_load, is_load_insn): Remove.
5931 (schedule_region): Remove unused variable.
5932 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
5934 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
5936 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
5937 (update_equiv_regs): Likewise.
5938 (block_alloc): Likewise.
5939 * reg-stack.c (reg_to_stack): Likewise.
5940 (convert_regs_2): Likewise.
5941 * reload1.c (reload_as_needed): Likewise.
5943 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
5945 * Makefile.in (dbxout.o): Depend on ggc.h.
5946 (dwarf2out.o): Likewise.
5947 (xcoffout.o): Likewise.
5948 * dbxout.c: Include ggc.h.
5949 (dbxout_init): Register lastfile as a root.
5950 * dwarf2out.c: Include ggc.h.
5951 (dwarf2out_line): Register lastfile as a root.
5952 * xcoffout.c: Include ggc.h.
5953 (xcoffout_source_line): Register xcoff_lastfile as a root.
5955 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
5957 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
5959 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
5961 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
5963 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5965 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5967 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
5968 (EXECUTE_IF_CONFLICT): Likewise.
5969 (ALLOCNO_LIVE_P): Avoid signed division.
5970 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
5971 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
5972 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
5974 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
5976 * haifa-sched.c (schedule_block): Don't crash if there's no
5977 next insn for an interblock movement.
5978 (add_branch_dependences): Don't allow clobber insns to move either.
5980 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
5982 * i386.c (split_xf): New.
5983 * i386-protos.h: Declare it.
5984 * i386.md (movxf_1): Add general regs alternatives.
5985 (movxf_1+1): New splitter for same.
5987 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
5989 * function.c (purge_addressof_1): Add missing return values.
5991 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
5993 * function.c (is_addressof): New function. Returns true if
5994 the given piece of RTL is an ADDRESSOF.
5995 (purge_addressof_1): Make boolean. Return false if the
5996 ADDRESSOFs could not be purged.
5997 (purge_addressof): If ADDRESSOFs could not be purged from the
5998 notes attached to an insn, remove the offending note(s),
5999 unless they are attached to a libcall.
6001 1999-11-05 Andreas Jaeger <aj@suse.de>
6003 * genoutput.c (null_operand =): Initialize all fields.
6005 * errors.h: Add extern to prototypes.
6007 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6009 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6010 * configure: Rebuilt.
6012 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6014 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6015 (mirror_conflicts): New function.
6016 (global_alloc): Call it.
6017 (expand_preferences): Remove redundant CONFLICTP test.
6018 (find_reg, dump_conflicts): Likewise.
6019 (prune_preferences): Process conflicts one word at a time.
6021 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6023 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6024 instead of an explicit loop.
6026 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6028 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6029 if REG_RETVAL check succeeds, then put classp in src_elt.
6031 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6033 * function.c (pad_to_arg_alignment): Only update argument_pad
6034 if the argument's alignment is greater than STACK_BOUNDARY.
6036 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6038 * bitmap.h (BITMAP_XFREE): New.
6039 * flow.c (life_analysis): Use it.
6040 (life_analysis_1): Free blocks.
6042 * combine.c (undo_commit): New.
6043 (try_combine): Use it. Don't zap undobuf.undos.
6044 (combine_instructions): Don't zap undobuf.undos; free the
6047 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6049 * stmt.c (cost_table_): New.
6050 (estimate_case_costs): Use it instead of xmalloc.
6052 * toplev.c (compile_file): Reuse dumpname memory instead
6055 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6057 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6058 after verifying an EH edge.
6060 * haifa-sched.c (init_rgn_data_dependences): Correctly
6061 size bb_pending_lists_length when zeroing.
6063 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6065 * function.c (diddle_return_value): New.
6066 (expand_function_end): Use it.
6067 * stmt.c (expand_null_return): Likewise.
6068 (expand_value_return): Likewise.
6070 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6072 * reload1.c (reload): Don't remove return value clobbers.
6074 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6076 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6078 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6080 * cse.c (cse_main): Use xmalloc, not alloca.
6081 (cse_basic_block): Likewise.
6082 * local-alloc.c (local_alloc): Likewise.
6084 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6085 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6087 * rtl.c: Include toplev.h.
6088 (fatal): Remove declaration.
6090 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6092 * haifa-sched.c (schedule_block): Fix thinko.
6094 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6096 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6097 S_IR* defined values
6099 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6101 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6102 call `malloc' instead.
6104 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6106 * flags.h (flag_renumber_insns): Declare.
6107 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6109 * rtl.h (renumber_insns): Change prototype.
6110 * toplev.c (flag_renumber_insns): Define.
6111 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6113 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6115 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6116 and fpsqrtd. Use them and create fdiv function unit to more
6117 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6118 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6120 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6122 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6124 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6125 insn into ready list, do not use just a raw swap.
6127 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6129 * rtl.h (renumber_insns): New function.
6130 (remove_unnecessary_notes): Likewise.
6131 * emit-rtl.c (renumber_insns): Define.
6132 (remove_unncessary_notes): Likewise.
6133 * toplev.c (rest_of_compilation): Remove dead code.
6134 Use renumber_insns and remove_unncessary_notes.
6136 * gcse.c (struct null_pointer_info): New type.
6137 (get_bitmap_width): New function.
6138 (current_block): Remove.
6139 (nonnull_local): Likewise.
6140 (nonnull_killed): Likewise.
6141 (invalidate_nonnull_info): Take a null_pointer_info as input.
6142 (delete_null_pointer_checks_1): New function.
6143 (delete_null_pointer_checks): Use it.
6145 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6146 (split_edges): Likewise.
6147 (schedule_block): Likewise.
6148 (compute_block_backward_dependencies): Likewise.
6149 (schedule_region): Likewise.
6150 (schedule_insns): Likewise.
6152 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6154 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6155 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6156 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6157 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6158 * jump.c (delete_unreferenced_labels): Don't delete if
6159 LABEL_ALTERNATE_NAME is set.
6160 * print-rtl.c (print_rtx): Dump alternate name.
6161 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6162 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6163 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6164 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6166 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6168 * fix-header.c (recognized_extern, recognized_function): Constify
6171 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6172 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6173 (compute_available): Remove unused variable `last'.
6174 (compute_nearerout): Remove unused variable `temp_bitmap'.
6175 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6176 Remove unused variable `x'.
6178 * scan.h (recognized_function, recognized_extern): Constify a
6181 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6183 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6185 * varasm.c (decode_rtx_const): Use XSTR to access the string
6188 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6190 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6192 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6194 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6196 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6198 * pa.c (ireg_operand): New function.
6199 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6200 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6201 Fix out of date comment.
6203 * pa.md (negdi2): Turn into expander + anonymous pattern.
6205 * reload.c (find_reloads): Fix typos in recent change.
6207 * dwarf2out.c: Do not include ctype.h.
6209 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6211 * regclass.c (record_reg_classes): Always use may_move_cost when
6212 seeing how operand fits with various register classes.
6214 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6216 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6217 * toplev.c: Revert Nov 1 13:22 change.
6219 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6221 * config/pa/pa.md (height reduction patterns): Add checks for
6222 overlapping operands to avoid semantic-destroying splits for
6223 height reduction patterns.
6225 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6227 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6228 have been an hyphen, fixed.
6229 * configure: Rebuilt.
6231 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6233 * config/arm/tpe.h: Add prototypes for exported functions.
6234 * config/arm/pe.c: Fix compile time warnings.
6235 * config/arm/semi.h: Fix compile time warnings.
6236 * config/arm/arm.c: Fix compile time warnings.
6237 * config/arm/arm.h: Fix compile time warnings.
6238 * config/arm/arm.md: Fix compile time warnings.
6239 * config/arm/thumb.c: Fix compile time warnings.
6240 * config/arm/thumb.h: Fix compile time warnings.
6241 * config/arm/thumb.md: Fix compile time warnings.
6243 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6245 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6248 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6249 completely unrolled.
6251 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6253 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6255 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6257 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6258 * rtl.h (rtx_equal_p): Move prototype.
6259 * rtl.c (rtx_equal_function_value_matters): Move from
6261 (rtx_equal_p): Likewise.
6262 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6263 (rtx_equal_p): Likewise.
6265 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6267 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6270 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6272 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6274 * pa.h (ADDR_VEC_ALIGN): Define.
6276 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6277 notes when presented with "if (foo) break; end_of_loop" and
6278 the break sequence gets moved out of the loop.
6280 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6281 Remove explicit zero initializations of entries within MAP.
6283 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6285 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6287 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6289 * bitmap.h (BITMAP_XMALLOC): New macro.
6290 * flow.c (CLEAN_ALLOCA): Remove.
6291 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6292 (life_analysis): Likewise.
6293 (update_life_info): Don't use CLEAN_ALLOCA.
6294 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6295 (calculate_global_regs_live): Likewise.
6296 (print_rtl_with_bb): Likewise.
6297 (verify_flow_info): Likewise.
6298 * global.c (global_alloc): Likewise.
6299 (global_conflicts): Likewise.
6300 * integrate.c (save_for_inline_nocopy): Likewise.
6301 (expand_inline_function): Likewise.
6302 * jump.c (jump_optimize_1): Likewise.
6303 (duplicate_loop_exit_test): Likewise.
6304 (thread_jumps): Likewise.
6305 * loop.c (loop_optimize): Likewise.
6306 (combine_givs): Likewise.
6307 (recombine_givs): Likewise.
6308 * reorg.c (dbr_schedule): Likewise.
6309 * unroll.c (unroll_loop): Likewise.
6311 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6313 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6315 * toplev.c (rest_of_compilation): Don't optimize the CFG
6316 when rebuilding, just before dbr.
6318 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6320 * output.h (assemble_end_function, assemble_destructor,
6321 assemble_constructor, assemble_gc_entry, assemble_global,
6322 assemble_label, output_constant_pool) Constify a char*.
6324 * varasm.c (assemble_destructor, assemble_constructor,
6325 assemble_gc_entry, assemble_end_function, assemble_global,
6326 assemble_label, output_constant_pool): Likewise.
6328 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6330 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6331 explaining what is goin on in this function.
6333 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6335 * regclass.c (record_reg_classes): In matching case, recompute
6336 costs since the direction of movement is different.
6338 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6340 * resource.c (mark_target_live_regs): For unconditional branches,
6341 the resources found at the branch target should be added to the
6342 resources found so far, not intersected.
6344 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6346 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6348 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6349 (sys/mman.h): Include this file only if #HAVE_MMAP.
6350 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6351 with automatically concatenated ANSI strings.
6353 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6355 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6356 (DIV_ROUND_UP): Robustify.
6357 (ggc_recalculate_in_use_p): New function.
6358 (release_pages): Don't inline it.
6359 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6361 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6362 (clear_marks): Always save in_use_p.
6363 (sweep_pages): Use ggc_recalculate_in_use_p.
6364 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6365 Release pages before counting statistics.
6367 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6369 * toplev.c (rest_of_compilation): Fix thinko in this change:
6371 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6373 (rest_of_compilation): If inside an inlined external function,
6374 pretend we are just being declared.
6376 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6378 * flow.c (calculate_global_regs_live): Fix thinko.
6380 * integrate.c (expand_inline_function): Fix bugs in previous
6381 change from Oct 28, 1999.
6383 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6385 * stmt.c (expand_value_return): Fix typo in this change:
6387 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6388 (expand_value_return): Correctly convert VAL when promoting function
6389 return; support RETURN_REG being a PARALLEL.
6391 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6393 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6395 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6397 * hard-reg-set.h (reg_names): Constify a char*.
6399 * regclass.c (reg_names): Likewise.
6401 * regs.h (reg_names): Likewise
6403 * a29k/a29k.c (reg_names): Delete declaration.
6405 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
6407 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
6408 arc_output_function_epilogue): Likewise.
6410 * elxsi/elxsi.c (reg_names): Likewise.
6412 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
6414 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
6417 * m88k/m88k.c (output_function_profiler): Likewise.
6419 * sparc/sparc.c (sparc_flat_output_function_prologue,
6420 sparc_flat_output_function_epilogue): Likewise.
6422 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
6424 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
6425 warning from -Wuninitialized and put it under -W.
6426 * function.c (uninitialized_vars_warning): Warn only when the
6427 corresponding flag is set.
6429 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
6431 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
6432 is nonzero and the single set does not have an elt, then assign
6435 * simplify-rtx.c: New file.
6436 * Makefile.in (OBJS): Add simplify-rtx.o
6437 (simplify-rtx.o): Add dependencies.
6438 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
6439 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
6440 (cse_gen_binary, simplify_unary_operation): Delete.
6441 (simplify_binary_operation, simplify_plus_minus): Likewise.
6442 (check_fold_consts, simplify_relation_operation): Likewise.
6443 (simplify_ternary_operation): Likewise.
6444 (delete_trivially_dead_insns): Simplify the contents of the
6445 REG_EQUAL note before trying to substitute it into the source
6446 of the reg-reg copy at the end of a libcall sequence.
6448 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
6449 references/callers changed.
6451 * mn10200.c (mn10200_va_arg): Force the return value into a
6454 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
6456 * cccp.c (macroexpand): Avoid out of range accesses for omitted
6459 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
6461 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
6463 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
6465 * fold-const.c (fold): Fix thinko when optimizing comparisons
6468 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
6470 * gcc.texi (Passes): Update front-end files to their current
6473 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
6475 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
6476 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
6477 (PREDICATE_CODES): Add addition_operation.
6478 * alpha-protos.h (addition_operation): Declare.
6479 (secondary_reload_class): Likewise.
6480 * alpha.c (addition_operation): New.
6481 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
6482 * alpha.md (adddi3): Turn into expander.
6483 (*lda, *adddi_2): New.
6484 (movsf, movdf patterns): Don't preference integer regs.
6485 (movsi, movdi patterns): Don't preference fp regs.
6487 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
6489 * genrecog.c (write_switch): Check for duplicate CODE cases.
6491 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
6493 * ggc-common.c: Update pre-function commentary.
6494 * ggc-page.c: Likewise.
6496 (poison_pages): Use memset directly.
6497 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
6498 (ggc_collect): Poison before sweeping.
6499 * ggc-simple.c: Update pre-function commentary.
6500 (ggc_alloc_obj): Poison non-zeroed memory.
6502 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
6504 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
6505 match format string, even on 64-bit hosts.
6506 * gcc-page.c (ggc_page_print_statistics): Likewise.
6508 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
6510 * config/i386/i386.c (ix86_cpu): Revert last patch.
6511 * config/i386/i386.h (ix86_cpu): Ditto.
6513 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
6515 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
6516 TYPE_SIZE, convert type of result to sizetype.
6518 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
6520 * flow.c (count_or_remove_death_notes): Equate NULL with the
6523 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
6524 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
6527 * i386.c (pic_label_no): Delete.
6528 (ix86_attr_length_default): Don't use single_set to peek
6531 * recog.c (peephole2_optimize): Allow recog_next_insn to index
6532 the first insn after bb->end.
6533 * i386.md (push mem peeps): Scratch is live after evaluation
6535 (cmp mem peep): Similarly.
6537 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
6539 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
6540 * function.c (pad_to_arg_alignment): Add missing braces.
6542 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6544 * alpha/alpha-protos.h (literal_section): Add prototype.
6545 (alpha_need_linkage, alpha_start_function,alpha_end_function):
6548 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
6550 (alpha_start_function, alpha_end_function, float_strings,
6551 alpha_need_linkage): Constify a char*
6553 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
6555 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
6557 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6559 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6561 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6563 * flow.c (debug_flow_info): Add prototype.
6565 * gcc.c (main): Likewise.
6567 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
6570 * reload1.c (failed_reload, set_reload_reg): Likewise.
6572 * mips-tfile.c (main): Likewise.
6573 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
6574 with ATTRIBUTE_NORETURN.
6576 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
6578 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
6579 DECL is not a memory ref.
6581 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
6583 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
6584 * config/i386/i386.c (ix86_cpu): Add extern attribute.
6586 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
6588 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
6589 * config/mips/elf64.h: ditto.
6591 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
6593 * expr.c (emit_push_insn): New argument alignment_pad.
6594 Update all callers. Adjust stack pointer based on alignment pad.
6595 * function.c (pad_to_arg_alignment): New argument alignment_pad.
6596 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
6597 (locate_and_pad_parm): New argument alignment_pad. Update all
6599 * expr.h (emit_push_insn): Update prototype.
6600 (locate_and_pad_parm): Update prototype.
6601 * calls.c (arg_data): Add new field alignment_pad.
6602 (initialize_argument_information): Initialize alignment_pad.
6604 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
6606 * except.c (free_eh_nesting_info): Free the info itself.
6607 * function.c (free_after_compilation): Don't free NULL.
6608 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
6609 (pre_edge_insert): Free inserted.
6610 * stmt.c (free_stmt_status): Don't free NULL.
6612 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6614 * gcov.c (DIR_SEPARATOR): Provide default.
6615 (output_data): Add test for MS-DOS format absolute filename.
6616 (fancy_abort): Correct program name.
6617 (open_files): Open all files in binary mode.
6618 * libgcc2.c (__bb_exit_func): Likewise.
6620 * profile.c (init_branch_prob): Specify binary when opening files.
6622 * flags.h (flag_unwind_tables): New decl.
6623 * toplev.c (flag_unwind_table): New definition.
6624 (f_options): Add -funwind-tables.
6625 (decode_g_option): Clarify warning when unknown -g option is given.
6626 (rest_of_compilation): If inside an inlined external function,
6627 pretend we are just being declared.
6629 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
6630 (dwarf2out_frame_finish): Likewise.
6632 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
6634 * fold-const.c (merge_ranges): If not in0, but in1, handle
6635 upper bounds equal like subset case.
6637 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
6639 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
6640 passed in a register but moved to the stack.
6642 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
6644 * gcc.c (pass_exit_codes, greatest_status): New variables.
6645 (struct option_map): Add entry for "--pass-exit-codes".
6646 (execute): Update greatest_status if error.
6647 (display_help): Add documentation for -pass-exit-codes.
6648 (process_command): Handle -pass-exit-codes.
6649 (main): Look at pass_exit_codes and greatest_status on call to exit.
6651 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6653 * reload.c (find_reloads): Refine test for no input reload
6654 case to not includes reloads emitted after insn.
6656 * function.c (find_temp_slots_from_address): Handle sum involving
6657 a register that points to a temp slot.
6658 (update_temp_slot_address): Make recursive call if both old and
6659 new are PLUS with a common operand.
6660 * calls.c (expand_call): Mark temp slot for result as having
6663 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
6665 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
6666 component as well as "BINUTILS".
6668 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
6669 * integrate.c (copy_rtx_and_substitute): Likewise.
6670 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
6671 All callers changed.
6672 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
6674 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
6675 gdb extensions, write size of type; also be more consistent
6676 in using references when this is a subtype.
6678 * pa.md (extv, extzv, insv): Use define_expand to reject constant
6679 that is out of range.
6681 * loop.c (unknown_constant_address_altered): New variable.
6682 (prescan_loop): Initialize it.
6683 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
6684 (invariant_p, case MEM): Remove handling for volatile and readonly;
6685 check new variable if readonly.
6686 (check_dbra_loop): Chdeck unknown_constant_address_altered.
6688 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
6689 (addr_affects_sp_p): Removed from note_mem_written and only
6690 define #ifdef AUTO_INC_DEC.
6692 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
6694 * regclass.c (record_reg_classes): Properly handle register move
6697 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
6698 Don't think valid if both operands are invalid.
6699 (struct constant_descriptor): New field RTL.
6700 (mark_const_hash_entry): Mark it.
6701 (record_constant{,_rtx}): Initialize it.
6702 (output_constant_def): Allocate RTL in permanent obstack and
6704 ({record,compare}_constant_1): Modes must match for
6705 CONSTRUCTOR of ARRAY_TYPE.
6707 * c-common.h (initializer_constant_valid_p): Delete decl from here.
6708 * output.h (initializer_constant_valid_p): Move decl to here.
6709 * c-common.c (initializer_constant_valid_p): Delete function from here.
6710 * varasm.c (initializer_constant_valid_p): Move function to here.
6712 * tree.h (STRIP_SIGN_NOPS): New macro.
6713 * fold-const.c (optimize_minmax_comparison): New function.
6714 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
6715 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
6716 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
6717 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
6718 widening conversions.
6719 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
6720 to look at size of mode, not precision of type; also add missing cases.
6721 (optimize_bit_field_compare, decode_field_reference): Don't try to
6722 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
6724 * dwarf2out.c (ctype.h): Include.
6725 (dwarf2out_set_demangle_name_func): New function.
6726 (size_of_line_info): Deleted.
6727 (output_line_info): Compute size of line info table from difference
6729 (base_type_die, add_name_attribute): Call demangle function, if any.
6730 (field_byte_offset): Use bits per word for variable length fields.
6731 (gen_array_type_die): Add array name.
6732 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
6733 (dwarf2out_add_library_unit_info): New function.
6735 * explow.c (set_stack_check_libfunc): New function.
6736 (stack_check_libfunc): New static variable.
6737 (probe_stack_range): Allow front-end to set up a libfunc to call.
6739 * combine.c (simplify_comparison): When making comparison in wider
6740 mode, check for having commuted an AND and a SUBREG.
6741 (contains_muldiv): New function.
6742 (try_combine): Call it when dividing a PARALLEL.
6743 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
6744 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
6746 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
6747 use one of the CLOBBERs instead.
6748 (if_then_else_cond): If comparing against zero, just return thing
6751 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
6752 Don't generate shifts and subtract if have conditional arithmetic.
6754 * rtl.h (delete_barrier): New declaration.
6755 * jump.c (jump_optimize): Set up to handle conditional call.
6756 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
6757 (delete_barrier): New function.
6759 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
6761 * recog.c (nonmemory_operand): Accept ADDRESSOF.
6763 * tree.c (build_type_attribute_variant): Push to obstack of
6764 ttype around type_hash_canon call.
6766 * expr.c (placeholder_list): Move decl to file scope.
6767 (expand_expr): Don't force access to volatile just because its
6769 If ignoring reference operations, just expand the operands.
6770 (expand_expr, case COMPONENT_REF): Propagate
6771 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
6772 Refine test for using bitfield operations vs pointer punning.
6773 (expand_expr, case CONVERT_EXPR): If converting to
6774 BLKmode UNION_TYPE from BLKmode, just return inner object.
6775 Use proper mode in store_field call.
6776 Properly set sizes of object to store and total size in store_field
6777 call for convert to union.
6778 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
6779 memory (like for ADDR_EXPR). Also, don't put constant in register if
6780 we'll want it in memory.
6781 (readonly_fields_p): New function.
6782 (expand_expr, case INDIRECT_REF): Call it if LHS.
6783 (expand_assignment): Handle a RESULT_DECL where
6784 DECL_RTL is a PARALLEL.
6785 (do_jump, case WITH_RECORD_EXPR): New case.
6786 (get_inner_reference): Always go inside a CONVERT_EXPR
6787 and NOP_EXPR if both modes are the same.
6788 (store_field): Use bitfield operations if size of bitsize is not same
6789 as size of RHS's type.
6790 Check for bitpos not a multiple of alignment in BLKmode case.
6791 Do block move in largest possible alignment.
6792 (store_constructor): Set BITSIZE to -1 for variable size and properly
6793 in case of array of BLKmode.
6794 (expand_expr_unaligned): New function.
6795 (do_compare_and_jump): Call it.
6797 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
6798 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
6799 does not include 'o'.
6801 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
6802 both SET_DEST and SET_SRC reference a virtual register.
6803 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
6805 * integrate.c (expand_inline_function): Handle case of setting
6806 virtual stack vars register (from built in setjmp); when parameter
6807 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
6808 (subst_constant): Add new parm, MEMONLY.
6809 (expand_inline_function, integrate_parm_decls): Pass new parm.
6810 (integrate_decl_tree): Likewise.
6811 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
6812 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
6813 (copy_rtx_and_substitute, case SET): Add explicit calls to
6814 copy_rtx_and_substitute for both sides.
6816 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
6818 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
6819 within INDEX_TYPE, instead of before.
6820 (fixup_gotos): Use f->target_rtl, not the next insn,
6821 since latter may be from a later fixup.
6822 (expand_value_return): Correctly convert VAL when promoting function
6823 return; support RETURN_REG being a PARALLEL.
6824 (expand_return): When checking for result in regs and having
6825 cleanup, consider PARALLEL in DECL_RTL as being in regs.
6827 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
6829 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
6830 last_nominal_fname): Mark const.
6831 (struct include_hash: name, nshort, control_macro): Mark
6833 (struct macrodef: symnam): Mark const.
6834 (struct if_stack: fname): Mark const.
6835 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
6836 (IStable): New character-syntax array which encompasses all
6837 the old is_foo arrays.
6838 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
6839 is_space): New macros for interrogating IStable.
6840 (check_macro_name): Kill last argument. All callers changed.
6842 * cppinit.c (initialize_char_syntax): Delete.
6843 (is_idchar, is_idstart, is_hor_space, is_space,
6844 trigraph_table): Delete.
6845 (IStable): New. Initialize with clever macros to avoid
6846 information duplication.
6847 (builtin_array): Table of builtins to get rid of explicit list
6848 in initialize_builtins.
6849 (initialize_builtins): Use builtins_array.
6850 (cpp_start_read): Call init_IStable, and set IStable['$'] if
6851 opts->dollars_in_ident.
6853 * cppexp.c: Change all refs to is_xyz[] arrays to use new
6855 (cpp_parse_expr): Avoid 'format string is not constant'
6856 warning. Use ISGRAPH to identify printable chars.
6857 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
6859 (read_and_prescan): Map trigraphs to chars with open-coded
6860 if-else-if-... sequence, not a lookup table.
6861 * cpphash.c: Change all refs to is_xyz[] arrays to use new
6863 * cpplib.c: Change all refs to is_xyz[] arrays to use new
6864 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
6865 (check_macro_name): Remove ability to report an invalid
6866 assertion name, which is never used.
6867 (do_line): Constify a couple of char *'s.
6868 * cppmain.c (main): Call cpp_cleanup before returning.
6870 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
6872 * ggc.h (struct ggc_statistics): New type.
6873 (ggc_get_size): New function.
6874 (ggc_print_statistics): Likewise.
6875 * ggc-common.c (ggc_stats): New variable.
6876 (ggc_mark_rtx_children): Keep statistics.
6877 (ggc_mark_tree_children): Likewise.
6878 (ggc_print_statistics): New function.
6879 * ggc-page.c (struct globals): Add bytes_mapped field.
6880 (alloc_anon): Update it.
6881 (release_pages): Likewise.
6882 (ggc_get_size): New function.
6883 (ggc_page_print_statistics): New function.
6884 * ggc-simple.c (ggc_get_size): New function.
6886 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
6888 * flow.c (propagate_block): When the last reference to a label
6889 before an ADDR_VEC is deleted because the reference is a dead
6890 store, delete the ADDR_VEC.
6892 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
6894 * resource.c (find_free_register): Don't use the frame pointer
6895 if frame_pointer_needed.
6897 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
6899 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
6900 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
6902 * config/i960/i960.c (i960_va_start): New locals base, num.
6903 Use INDIRECT_REF instead of ARRAY_REF on valist.
6904 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
6906 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
6908 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
6910 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
6912 * tree.def (PLACEHOLDER_EXPR): Update comments.
6914 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6916 * c-common.c (check_format_info): Avoid non-literal format string
6917 warnings when `first_arg_num' is zero.
6919 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6921 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
6923 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6925 * arm.md (casesi_insn): Add a clobber of the condition code
6928 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
6930 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
6931 used by both cc1 and cc1plus.
6933 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
6935 * config/arm/arm.c: Initialise arm_structure_size_boundary to
6936 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
6937 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
6938 to the value 32 if it has not already been defined.
6939 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
6940 Override definition in arm.h with a value of 8.
6942 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
6944 * c-pragma.c (push_alignment): Don't check the return value
6947 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
6949 * sparc.h (ADJUST_COST): Fix thinko.
6951 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
6953 * cccp.c (rescan): Fixed obp pointer handling around call to
6954 check_expand subroutine.
6956 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
6958 * gcse.c (delete_null_pointer_checks): Only record non-null info
6959 for pseudos when examining stores.
6961 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
6962 splitters for these patterns. Use "#" for output templates.
6963 (addsi3_carryin_shift): New pattern.
6965 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
6967 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
6968 of the function return register into a plain REG until
6969 after function inlining is done.
6971 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6973 * jump.c (jump_optimize_1): If we did cross-jumping, and
6974 the data will matter, rebuild the CFG.
6975 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
6976 not optimizing. Don't run shorten_branches.
6977 * toplev.c (rest_of_compilation): Run shorten_branches after
6980 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
6982 * rtl.h (note_stores): Add additional paramter.
6983 * rtlanal.c (reg_set_p_1): Take additional paramter.
6984 (reg_set_last_1): Likewise.
6985 (reg_set_p): Adjust call to note_stores.
6986 (reg_set_last): Likewise.
6987 (note_stores): Pass data parameter to worker function.
6988 * alias.c (record_set): Take additional parameter.
6989 (init_alias_analysis): Pass it.
6990 * caller-save.c (mark_set_regs): Take additional parameter.
6991 (save_call_clobbered_regs): Pass NULL to note_stores.
6992 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
6994 (record_dead_and_set_regs_1): Likewise.
6995 (reg_dead_at_p_1): Likewise.
6996 (combine_instructions): Adjust calls to note_stores.
6997 (try_combine): Likewise.
6998 (record_dead_insn): Remove.
6999 (record_dead_and_set_regs): Adjust calls to note_stores.
7000 (reg_dead_at_p): Likewise.
7001 * cse.c (invalidate_skipped_set): Take additional parameter.
7002 (cse_check_loop_start): Likewise.
7003 (cse_check_loop_start_value): Remove.
7004 (cse_set_around_loop): Adjust calls to note_stores.
7005 * flow.c (notice_stack_pointer_modification): Take additional
7006 parameter. Remove duplicate declaration.
7007 (record_volatile_insns): Adjust calls to note_stores.
7008 * gcse.c (record_set_info): Take additional parameter.
7009 (record_last_set_info): Likewise.
7010 (invalidate_nonnull_info): Likewise.
7011 (record_set_insn): Remove.
7012 (compute_sets): Adjust calls to note_stores.
7013 (last_set_insn): Remove.
7014 (compute_hash_table): Adjust calls to note_stores.
7015 (insert_insn_end_bb): Likewise.
7016 (delete_null_pointer_checks): Likewise.
7017 * global.c (mark_reg_store): Take additional parameter.
7018 (mark_reg_clobber): Likewise.
7019 (reg_becomes_live): Likewise.
7020 (global_conflicts): Adjust calls to note_stores.
7021 (build_insn_chain): Likewise.
7022 * integrate.c (note_modified_parmregs): Take additional parameter.
7023 (mark_stores): Likewise. Make it static.
7024 (save_for_inline_nocopy): Adjust calls to note_stores.
7025 (try_constants): Likewise.
7026 * integrate.h (mark_stores): Remove declaration.
7027 * jump.c (mark_modified_reg): Take additional parameter.
7028 (thread_jumps): Adjust calls to note_stores.
7029 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7031 (no_equiv): Likewise.
7032 (reg_is_set): Likewise.
7033 (validate_equiv_mem): Adjust calls to note_stores.
7034 (update_equiv_regs): Likewise.
7035 (block_alloc): Likewise.
7036 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7037 (note_addr_stored): Take additional parameter.
7038 (note_set_pseudo_multiple_uses): Likewise.
7039 (record_initial): Likewise.
7040 (prescan_loop): Adjust calls to note_stores.
7041 (strength_reduce): Likewise.
7042 (check_dbra_loop): Likewise.
7043 * regmove.c (flags_set_1): Take additional paramter.
7044 (mark_flags_life_zones): Adjust calls to note_stores.
7045 * reload1.c (mark_not_eliminable): Take additional parameter.
7046 (forget_old_reloads_1): Likewise.
7047 (reload_cse_invalidate_rtx): Likewise.
7048 (reload_cse_check_clobber): Likewise.
7049 (reload_combine_note_store): Likewise.
7050 (move2add_note_store): Likewise.
7051 (reload): Adjust calls to note_stores.
7052 (reload_as_needed): Likewise.
7053 (emit_reload_insns): Likewise.
7054 (reload_cse_regs_1): Likewise.
7055 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7056 (reload_combine): Adjust calls to note_stores.
7057 * resource.c (update_live_status): Take additional paramter.
7058 (mark_target_live_regs): Adjust calls to note_stores.
7059 * stupid.c (find_clobbered_regs): Take additional parameter.
7060 (stupid_life_analysis): Adjust calls to note_stores.
7062 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7064 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7067 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7070 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7071 of the variable arm_structure_size_boundary.
7073 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7075 * alias.c (init_alias_analysis): Allocate reg_known_value and
7076 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7078 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7079 * cse.c (cse_main): Call end_alias_analysis.
7080 * haifa-sched.c (schedule_insns): Likewise.
7081 * local-alloc. (update_equiv_regs): Likewise.
7082 * reload1.c (reload_cse_regs): Likewise.
7084 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7086 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7087 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7088 mapping from MASK_FPU.
7090 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7092 * sparc.md (call): Don't bound structure return size to 0xfff.
7094 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7096 * resource.c (mark_target_live_regs): Check that the target
7097 insn wasn't created after compute_bb_for_insn.
7099 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7101 * ggc-page.c (poison_pages): Don't be overzealous.
7103 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7105 * alias.c: Update comments for ADDRESS.
7106 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7107 it is a local memory reference.
7109 * c-typeck.c (build_function_call): Check that the built-in
7110 function is of class BUILT_IN_NORMAL before trying to recongize
7112 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7113 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7115 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7117 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7119 (pre_gcse): Likewise.
7120 (hoist_expr_reaches_here_p): Likewise.
7121 (hoist_code): Likewise.
7122 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7124 (pre_expr_reaches_here_p_work): ... here.
7125 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7127 (expr_reaches_here_p_work): ... here.
7129 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7131 * resource.c (find_basic_block): Delete.
7132 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7133 (init_resource_info): Call compute_bb_for_insn.
7135 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7137 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7138 with already adjacent blocks, but no fallthru.
7139 (merge_blocks_move_successor_nojumps): Simplify.
7140 (debug_flow_info): New.
7142 * toplev.c (rest_of_compilation): Open jump1 dump file before
7143 jump and close after, as opposed to just using dump_rtl.
7145 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7147 * reload.h (earlyclobber_operand_p): Declare.
7148 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7149 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7150 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7151 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7153 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7154 Richard Henderson <rth@cygnus.com>
7156 * emit-rtl.c (emit_block_insn_before): New.
7157 (emit_block_insn_after): New.
7158 * basic-block.h: Declare them.
7160 * bitmap.h: Protect from multiple inclusion.
7162 * recog.c (scratch_operand): Handle VOIDmode correctly.
7164 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7166 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7167 * function.c (assign_parms): Likewise.
7168 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7170 * reg-stack.c (max_uid): Remove.
7171 (blocks, block_begin, block_end, block_drops_in): Remove.
7172 (block_stack_in, block_out_reg_set, block_number): Remove.
7173 (struct block_info_def, BLOCK_INFO): New.
7174 (enum emit_where): New.
7175 (current_block): New.
7176 (BLOCK_NUM): Remove.
7177 (mark_regs_pat, record_label_references): Remove.
7178 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7180 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7181 (reg_to_stack): Simplified test for existance of fp code. Use
7182 flow.c code. Call shorten_branches after cross-jump opt.
7183 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7184 Return false if the asm doesn't use stack regs. Don't do life
7185 analysis on the asm.
7186 (emit_pop_insn): Replace function pointer arg `when' with
7187 enum `where'. Update all callers.
7188 (change_stack): Likewise. Update basic block end.
7189 (emit_swap_insn): Use current_block->head to limit reverse search
7190 for start of block. Use emit_block_insn_after.
7191 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7192 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7193 structure assignment instead of bcopy.
7195 (convert_regs_entry, convert_regs_exit): New.
7196 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7197 Work on basic blocks and the CFG.
7198 (convert_regs): Use them.
7200 * i386.c (output_fix_trunc): Remove code for DImode input operand
7201 not at top-of-stack.
7202 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7204 (fix_truncdi_1): Allow any mode scratch.
7206 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7208 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7209 * linux.h, netbsd.h, vms.h: Not here.
7211 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7213 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7214 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7215 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7216 CONDITIONAL_REGISTER_USEAGE): Use them.
7217 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7218 gen_conditional_branch,override_options) : Use them.
7219 * config/mips/mips.md : Use them.
7221 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7223 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7225 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7227 * integrate.c (function_cannot_inline_p): Don't allow inlining
7230 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7232 * c-parse.in (cast_expr): Constify.
7234 * cccp.c (special_symbol): Likewise.
7236 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7238 * dwarf2out.c (base_type_die): Likewise.
7240 * global.c (allocno_compare): Likewise.
7242 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7244 * regclass.c (fix_register): Likewise.
7246 * rtl.h (fix_register): Likewise.
7248 * stupid.c (stupid_reg_compare): Likewise.
7250 * toplev.c (decode_f_option): Likewise.
7252 * tree.c (build_complex_type): Likewise.
7254 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7256 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7258 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7260 * reload.c (find_reloads): Compute mode and nregs fields of all
7262 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7263 (calculate_needs): Use precomputed mode/nregs values.
7264 (allocate_reload_reg): Likewise.
7266 (failed_reload, set_reload_reg): ... new functions.
7267 (choose_reload_regs_init): New function, mostly broken out from...
7268 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7269 Also lose one #if 0 block.
7271 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7273 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7276 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7278 * tree.h (BLOCK_TYPE_TAGS): Remove.
7279 (BLOCK_END_NOTE): Likewise.
7280 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7281 (BLOCK_LIVE_RANGE_START): Likewise.
7282 (BLOCK_LIVE_RANGE_END): Likewise.
7283 (tree_block): Remove live_range_flag, live_range_var_flag, and
7284 type_tags. Remove end_note, live_range_start, and live_range_end.
7285 (remember_end_note): Remove prototype.
7286 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7287 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7289 * ggc-common.c (ggc_mark_tree_children): Don't mark
7290 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7291 * integrate.c (adjust_copied_decl_tree): Remove.
7292 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7293 * stmt.c (last_block_end_note): Remove.
7294 (init_stmt): Don't add a GC root for it.
7295 (expand_fixup): Don't set it.
7296 (remember_end_note): Remove.
7297 (expand_end_bindings): Don't set last_block_end_note.
7299 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7301 * reload1.c (reload_reg_free_for_value_p): Show
7302 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7305 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7307 * expmed.c (extract_bit_field): Allow for the case of non-integer
7308 objects that are smaller than a word (like SFmode on a 64-bit
7311 * loop.c (basic_induction_var): A non-integer variable which is
7312 being set by a paradoxical subreg is probably not a biv.
7314 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7316 * prefix.c (translate_name) Check for empty prefix string.
7318 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7320 * Makefile.in (CPP_CROSS_NAME): New variable.
7321 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7323 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7324 names of the files to be uninstalled.
7326 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7328 * collect2.c (IS_DIR_SEPARATOR): Define.
7329 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7331 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7334 * haifa-sched.c (add_dependence): Update the true dependency
7335 cache the first time we add a true dependence to the LOG_LINKS chain.
7337 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7339 * fold-const.c (fold): Fix comment.
7341 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7343 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7344 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7345 dbxout_start_new_source_file, dbxout_source_file,
7346 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7347 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7349 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7350 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7351 (dbxout_block): Initialize variable `blocknum'.
7353 * dbxout.h (dbxout_init, dbxout_finish,
7354 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7355 dbxout_args, dbxout_source_line): Constify a char*.
7357 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7358 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7359 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7360 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7361 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7362 src_info_attribute, mac_info_attribute, producer_attribute,
7363 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7364 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7365 dwarfout_undef): Constify a char*.
7366 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7368 * dwarfout.h (dwarfout_define, dwarfout_undef,
7369 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7371 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7373 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7374 (MULTILIB_ISA_DEFAULT): New.
7375 (MULTILIB_DEFAULTS): Use it.
7376 * config/mips/mips.c (): Remove the now unnecessary definition
7377 of MIPS_ISA_DEFAULT.
7378 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7379 unnecessary definition.
7381 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7383 * arm.md (pic_load_addr): Add constraints to operand 1.
7385 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7387 * fixinc/genfixes: Provide a means for specifying -D options to
7390 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7392 * arm.c (arm_override_options): Correct initialization of
7393 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7394 arm_is_strong, and arm_is_6_or_7.
7396 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
7397 (note_set_pseudo_multiple_uses): New function.
7398 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
7399 if a pseudo set in the loop exit is used elsewhere.
7401 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
7403 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
7405 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
7407 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
7408 a single load-address pattern.
7410 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
7412 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
7413 depending on whether or not line-number notes are present.
7415 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7417 * cccp.c (progname, file_buf, default_include, include_file,
7418 macrodef, definition, hashval, wchar_type, user_label_prefix,
7419 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
7420 expand_to_temp_buffer, is_system_include, base_name,
7421 absolute_filename, read_name_map, open_include_file,
7422 record_control_macro, check_precompiled, check_preconditions,
7423 pcfinclude, pass_thru_directive, create_definition,
7424 check_macro_name, comp_def_part, collect_expansion,
7425 check_assertion, read_token_list, assertion_install,
7426 assertion_lookup, eval_if_expression, conditional_skip,
7427 validate_else, skip_quoted_string, quote_string, macarg1,
7428 error_from_errno, install, lookup, hashf, dump_defn_1,
7429 perror_with_name, pfatal_with_name, main, trigraph_pcp,
7430 check_white_space, rescan, handle_directive, monthnames,
7431 special_symbol, do_include, remap_include_file, write_output,
7432 arglist, do_assert, do_unassert, do_line, do_error, do_once,
7433 do_ident, do_sccs, do_xifdef, skip_if_group,
7434 output_line_directive, macroexpand, macarg, change_newlines,
7435 initialize_builtins, make_definition): Constify a char*.
7437 * pcp.h (stringdef): Likewise.
7439 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
7441 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
7444 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
7445 Richard Henderson <rth@cygnus.com>
7447 * alias.c: Include ggc.h.
7448 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
7449 (record_set): Verify enough room in reg_base_value.
7450 (init_alias_analysis): Allocate reg_base_value with xcalloc.
7451 Register it as a GC root.
7452 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
7453 * Makefile.in (alias.o): Depend on ggc.h.
7455 * unroll.c (unroll_loop): Verify the insn before a barrier
7456 is a JUMP_INSN before checking JUMP_LABEL.
7458 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7460 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
7461 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
7462 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
7463 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
7464 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
7465 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
7467 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7469 * output.h (ctors_section, dtors_section, bss_section): Prototype.
7471 * alpha/alpha-interix.h (text_section): Delete prototype.
7472 * alpha/elf.h (text_section): Likewise.
7473 * arm/linux-elf.h (text_section): Likewise.
7474 * arm/linux-telf.h (text_section): Likewise.
7475 * c4x/c4x.h (text_section): Likewise.
7476 * dsp16xx/dsp16xx.h (bss_section): Likewise.
7477 * elfos.h (text_section): Likewise.
7478 * i386/aix386ng.h (text_section): Likewise.
7479 * i386/i386-interix.h (text_section): Likewise.
7480 * i386/sco5.h (text_section): Likewise.
7481 * i386/svr3gas.h (text_section): Likewise.
7482 * nextstep.h (text_section): Likewise.
7483 * psos.h (text_section): Likewise.
7484 * ptx4.h (text_section): Likewise.
7485 * svr3.h (text_section): Likewise.
7486 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
7488 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7490 * final.c (peephole): Delete prototype.
7492 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
7493 (pre_insert_copies): Remove unused variable `bb'.
7495 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
7498 * output.h (peephole): Add prototype.
7500 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
7502 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
7505 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
7507 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
7508 for inlined declarations.
7510 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
7512 * arm.c (logical_binary_operator): New fucntion.
7513 * arm.h (logical_binary_operator): Declare it.
7514 (PREDICATE_CODES): Handle logical_binary_operator.
7515 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
7516 output constraints. Add appropriate splitters.
7517 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
7518 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
7519 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
7521 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7523 * genoutput.c (struct operand_data): New elt eliminable.
7524 (output_operand_data): Write it.
7525 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
7526 (compare_operands): Take it into account.
7527 * recog.h (struct insn_operand_data): New elt eliminable.
7528 * reload1.c (check_eliminable_occurrences, elimination_effects): New
7530 (old_asm_operands_vec, new_asm_operands_vec): Delete.
7531 (eliminate_regs): Move code that detects changes to elimination
7532 target regs into new function elimination_effects.
7533 Delete one #if 0 block.
7534 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
7535 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
7536 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
7537 Only call eliminate_regs for real operands of the insn, not for parts
7538 of its structure or parts matched by things like match_operator.
7539 Use elimination_effects and check_eliminable_occurrences. Use
7540 copy_insn to duplicate the pattern when not in the final pass.
7542 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
7544 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
7547 1999-10-22 Bruce Korb <autogen@linuxbox.com>
7549 * fixinc/README: document the "mach" machine matching test
7550 * fixinc/fixfixes.c: Implement the #else/#endif label fix
7551 * fixinc/fixtests.c: Implement the #else/#endif label test
7552 * fixinc/inclhack.def: utilize these tests and fixes
7553 * fixinc/inclhack.sh: regen
7554 * fixinc/fixincl.x: regen
7555 * fixinc/fixincl.sh: regen
7557 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
7559 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
7562 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
7564 * gcc.1: Document exit codes.
7566 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7568 * calls.c: Include tm_p.h later, so everything we need is defined.
7570 * function.c: Likewise.
7572 * except.c: Include tm_p.h.
7574 * sparc.c: Likewise.
7575 (dwarf2out_cfi_label): Don't prototype.
7576 (check_return_regs, epilogue_renumber,
7577 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7578 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
7579 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
7580 ultra_schedule_insn): Add static prototype.
7581 (data_segment_operand, text_segment_operand): Call itself with the
7582 proper number of arguments.
7583 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
7585 * sparc.h: Move all declarations to sparc-protos.h.
7586 (SELECT_RTX_SECTION): Pass a missing MODE argument to
7589 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
7591 * config/svr4.h (text_section, ctors_section, dtors_section): Add
7593 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
7594 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7595 ASM_OUTPUT_ASCII): Constify a char*.
7597 * sparc-protos.h: New file for sparc prototypes.
7599 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7601 * function.c (record_insns, contains): Always declare and define.
7602 (record_insns): Mark with ATTRIBUTE_UNUSED.
7604 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
7606 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
7607 to .section when outputting a .bss section to deal with multiple
7608 .bss input sections (as happens with -fdata-sections)
7609 Also output %progbits, not @progbits so the assembler doesn't treat as
7611 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
7613 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
7614 thumb parts even when building with non-thumb CPUs, by forcing
7617 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
7619 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
7620 (movdf_const_intreg_sp64): Similarly.
7622 * local-alloc.c (update_equiv_regs): Check the correct insn
7623 for pre-existing REG_EQUIV notes.
7625 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
7627 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
7628 block reached by a branch if we're not going to actually process
7631 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
7633 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
7634 a local extern function declaration.
7636 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
7638 * i386.c (ix86_expand_prologue): Properly wrap USE around
7639 reg for CALL_INSN_FUNCTION_USAGE.
7641 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
7643 * config/mips/mips.md (movdf_internal1a): Allow floating-point
7644 move between GP_REGs.
7646 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
7648 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
7649 the mode size when finding out if an offset is legal.
7651 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
7653 * basic-block.h (PROP_*): Move constants from ...
7655 (compute_bb_for_insn): Free the array before reallocating.
7656 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
7657 (allocate_reg_life_data): Reset all reg variables collected by
7659 (get_block_head_tail): Don't convert from bb to block.
7660 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
7661 (find_insn_reg_weight): Take block not bb.
7662 (schedule_block): Don't set block num for moved insns.
7663 (schedule_region): Don't update_life_info or find_insn_reg_weight.
7664 (schedule_insns): Do it here instead.
7665 * combine.c (combine_instructions): Invoke compute_bb_for_insn
7666 before update_life_info.
7667 * recog.c (split_all_insns, peephole2_optimize): Update for
7668 new arg to update_life_info.
7669 * rtlanal.c (remove_note): Cope with NULL note.
7670 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
7673 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
7675 * jump.c (jump_optimize_1): More accurately detect casesi insns.
7677 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
7678 block records so that merge_blocks_nomove will clean up correctly.
7679 (split_edge): Handle casesi insns.
7681 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
7683 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
7685 * pa.md (call, call_value): Do not emit a blockage after restoring
7688 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
7690 * c-typeck.c (c_expand_asm_operands): Fix typo.
7692 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7694 * arm.c (fpu_rhs_operand): Verify modes.
7695 (fpu_add_operand): Likewise.
7696 (di_operand): Likewise.
7697 (soft_df_operand): Likewise.
7699 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
7701 * arm.c (arm_return_in_memory): APCS rules state that the elements
7702 of a structure returned in a register must be 'integer-like'.
7704 1999-10-19 Bruce Korb <autogen@linuxbox.com>
7706 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
7707 in the source tree when the generated targets are out of date
7708 * fixinc/genfixes: Alter it to run individual fixes for make.
7709 * fixinc/README: rewrite
7710 * fixinc/inclhack.def: moved initial comments to README
7712 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
7714 * toplev.c (main): Do not generate an error message if an
7715 unrecognised command line switch is recognisable by another
7716 language. If extra_warnings are enabled, then generate a
7717 warning message instead.
7719 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
7721 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
7722 (insert_pack_attributes): Delete prototype.
7724 * c-pragma.c (default_alignment): New static variable.
7725 (push_alignment): Initialize to current effective alignment.
7726 (pop_alignment): Use to set new alignment.
7727 (insert_pack_attributes): Delete function.
7728 (handle_pragma_token): Set default_alignment as well each time
7729 a #pragma pack(<n>) is encountered.
7731 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
7733 * reg-stack.c (stack_result): Aggregates are not returned in
7736 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7738 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
7740 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
7742 * basic-block.h (set_block_num): Declare.
7743 * flow.c (update_life_info): Don't call compute_bb_for_insn
7744 or free_basic_block_vars.
7745 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
7746 (insn_orig_block): Remove.
7747 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
7748 (schedule_block): Keep BLOCK_NUM up-to-date.
7749 (schedule_insns): Use compute_bb_for_insn.
7750 * recog.c (split_all_insns): Likewise.
7751 (peephole2_optimize): Likewise.
7753 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
7755 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
7756 if the pic register is used.
7758 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7760 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
7761 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
7762 if that tests TREE_PERMANENT.
7764 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
7766 * cse.c (invalidate_for_call): Do not remove memory references from
7767 the table here. It's handled elsewhere.
7769 * haifa-sched.c (add_dependence): Protect references to the
7770 true dependency cache with #ifdef INSN_SCHEDULING.
7771 (remove_dependence): Similarly.
7773 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
7774 to the cfg code that this is a return instruction.
7775 * mn10300.md (return_internal): Similarly.
7777 * combine.c (get_last_value): If the last set of a register
7778 is after subst_low_cuid, then we can not use it to determine
7779 the register's last value.
7781 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
7783 * Makefile.in: Back out previous change.
7785 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
7787 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
7789 * haifa-sched.c (add_dependence): Only check/update the cache
7791 (remove_dependence): Likewise.
7792 (schedule_insns): Only create the true_dependency_cache if the
7793 average number of instructions in a basic block is very large.
7795 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
7797 * Makefile.in (ggc-common.o): Depend on genrtl.h.
7798 (ggc-simple.o): Likewise.
7799 (ggc-page.o): Likewise.
7801 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
7803 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
7804 Prototype for exported functions.
7805 (pre_lcm, pre_rev_lcm): Remove prototypes.
7806 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
7807 (compute_available): Move to lcm.c, and change parameter order.
7808 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
7809 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
7810 (gcse_main): No longer call compute_preds_succs. Rebuild the
7811 set table after reach pre pass.
7812 (pre_insert_map, pre_delete_map, edge_list): New.
7813 (alloc_pre_mem): Allocate edge vectors.
7814 (free_pre_mem): Delete edge vectors.
7815 (compute_pre_data): Call new edge based lcm routines.
7816 (process_insert_insn): New function.
7817 (insert_insn_end_bb): Use it.
7818 (pre_edge_insert): New function.
7819 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
7821 (pre_insert_copies): Revamp using new edge based lcm outputs.
7822 (pre_delete): Likewise.
7823 (one_pre_gcse_pass): Insert & remove fake edges to the exit
7825 (compute_code_hoist_vbeinout): New new edge based routines.
7826 * lcm.c: Remove all the old LCM functions. Replace with new ones
7827 that work with the new cfg datastructures and work with edges
7830 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7832 * reload.h (struct reload): Add new fields "mode" and "nregs".
7833 * reload1.c: Change all occurrences of reload_mode and reload_nregs
7834 to reference the "mode" and "nregs" field within struct reload.
7836 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
7838 * haifa-sched.c (true_dependency_cache): New.
7839 (add_dependence): Use the true dependency cache to avoid expensive
7840 walks down the LOG_LINKS dependency list. Add entries to the
7842 (remove_dependence): Remove entries from the true dependency cache
7844 (schedule_insns): Allocate and initialize and free the true
7847 * haifa-sched.c (schedule_insns): Do not remove inter-block
7848 dependencies anymore.
7850 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7852 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
7853 * i386/t-winnt: Likewise.
7855 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
7857 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
7859 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
7861 * Makefile.in (LANGUAGES): Omit "proto".
7862 (clean): Remove stale comment about removing unprotoize.c.
7864 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7866 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
7867 using arithmetic on void pointers.
7869 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
7871 * haifa-sched.c (compute_block_forward_dependencies): Only check
7872 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
7874 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
7876 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
7877 (expr_equiv_p): Reject memories with different alias sets.
7879 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
7881 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
7882 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
7883 (f_options): Add "bounded-pointers" and "bounds-check" entries.
7884 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
7885 (lang_init): Set default for flag_bounds_check if still "unspecified".
7887 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7889 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
7891 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7893 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
7896 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7898 * config/c4x/c4x.md (*db_noclobber,
7899 *decrement_and_branch_until_zero_noclobber): New patterns and
7900 associated splitters.
7902 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7904 * config/c4x/c4x.md (parallel instruction patterns): Rework
7905 constraints to keep reload happy.
7907 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7909 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
7910 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
7911 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
7912 Add new patterns and associated post-reload splitters.
7914 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7916 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
7918 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7920 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
7922 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
7924 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7926 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
7929 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
7931 * pa.c (move_operand): Rely on memory_address_p to determine the
7932 validity of non-indexed memory addresses.
7933 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
7934 operand in DFmode and SFmode when generating PA2.0 code.
7936 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
7938 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
7940 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
7942 * mips.c (function_prologue): Fix argument types.
7943 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
7944 (casesi_internal): Write to the scratch register.
7946 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
7948 * cppexp.c (cpp_parse_escape): Make static. Change second arg
7950 (parse_charconst): Delete unnecessary cast when calling
7952 (cpplib.h): Kill prototype of cpp_parse_escape.
7954 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
7956 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
7957 * unroll.c (unroll_loop): Cast return value of alloca.
7958 * i370/i370.c: Include function.h and toplev.h.
7959 (i370_label_scan): Remove c++ commented abort.
7960 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
7961 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
7962 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
7963 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
7965 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
7967 * config/t-freebsd: Do not override USER_H.
7968 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
7970 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
7971 Mumit Khan <khan@xraylith.wisc.edu>
7973 * c-parse.in (component_decl): Support anonymous struct/union.
7975 * c-parse.y: Regenerate.
7976 * c-parse.c: Likewise.
7977 * objc/objc-parse.y: Likewise.
7978 * objc/objc-parse.c: Likewise.
7979 * c-decl.c (finish_struct): Don't sort the fields.
7980 (field_decl_cmp): Delete unused function.
7982 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
7984 * sparc.md (movsf_const_intreg): Revert last constraint change.
7985 (movdf_const_intreg_sp32): Likewise.
7987 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
7989 * cse.c: Include hashtab.h instead of splay-tree.h
7990 (struct cse_reg_info): No longer use variant union. Add new
7991 field "regno". All references changed to avoid union.
7992 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
7993 (free_cse_reg_info): Remove.
7994 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
7995 (get_cse_reg_info): Revamp to use expandable hash tables instead
7996 of splay trees. Initialize new fields in cse_reg_info structure.
7997 (new_basic_block): Similarly.
7999 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8001 * genrecog.c (message_with_line): Prototype.
8002 (validate_pattern): Pass along the set for the dest, not a flag.
8003 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8004 Check for PC/CC0 as sources.
8005 (nodes_identical): Check for children position match before
8006 allowing the combination.
8008 * rtl.c (read_rtx): Track line number across \\\n.
8010 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8012 * mips.h (SPECIAL_MODE_PREDICATES): New.
8013 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8014 (movdi+1, movsi+1): Add output reload constraint.
8015 (casesi_internal): Likewise. Fix commentary.
8016 (return_internal): Use pmode_register_operand.
8018 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8020 * 1750a.md (movstrqi): Add missing output reload constraint.
8021 (call_value): Likewise.
8022 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8023 (jmpfdec): Add missing inout reload constraint.
8024 * elxsi.md (addsi patterns): Add missing output reload constraint.
8025 (move from sp): Use @ alternates.
8026 (call_value): No constraint on output.
8027 * fr30.md (movsi_pop): Add missing output reload constraint.
8028 (movsf_constant_store): Likewise.
8029 (splits): Remove constraints.
8030 (subsi3): Add missing mode.
8031 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8032 (call_value): Likewise.
8033 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8034 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8035 * m32r.md (movsicc_internal): Add output reload constraint.
8036 (movstrsi_internal): Add inout reload constraints.
8037 * m88k.h (reg_names): Don't declare.
8038 (SPECIAL_MODE_PREDICATES): New.
8039 * m88k.md (*): Use register_operand not reg_or_0_operand
8041 * mn10200.h (PREDICATE_CODES): New.
8042 * ns32k.md (ffs pattern): Add output reload constraint.
8043 * pdp11.md (sob pattern): Add inout reload constraint.
8044 * sh.md (splits): Remove constraints.
8045 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8046 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8047 * vax.md (jgequ pattern): Add inout reload constraint.
8049 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8051 * configure.in (djgpp): Revert previous patch.
8052 * configure: Rebuit.
8053 * config/i386/djgpp.h: Revert previous patch.
8055 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8057 * fixinc/inclhack.def: Restore patch lost during last merge of
8058 "no_bogosity" branch.
8059 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8061 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8063 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8064 * fixinc/inclhack.def: Same.
8065 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8067 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8069 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8070 as the base of a PLUS.
8072 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8074 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8075 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8077 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8079 * pa.md (post_stw+1): Use pmode_register_operand.
8080 (dcacheflush, icacheflush): Likewise.
8082 * i386.md (movstricthi_1): Allow r/r.
8084 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8086 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8087 to (not (and (arg0) (arg1))). Similary for and.
8089 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8090 fallthrough to associate code.
8091 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8094 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8095 no bits in common; remove XOR to ROTATE conversion.
8097 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8099 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8101 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8103 * config/c4x/c4x.c (dst_operand): New.
8104 (PREDICATE_CODES): Update.
8105 * config/c4x/c4x.h (dst_operand): Declare it.
8106 * config/c4x/c4x.md: Define mode for each unspec usage.
8107 (move patterns): Use dst_operand predicate instead of src_operand.
8108 (movqi_update, movqf_update): Delete.
8110 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8112 * recog.c (pmode_register_operand): New.
8113 * recog.h: Declare it.
8114 * genrecog.c (pred_codes): Likewise.
8115 (special_mode_pred_table): Likewise.
8116 (validate_pattern): Don't warn no mode for address_operand.
8118 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8119 if the operand is not insn-like.
8121 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8122 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8124 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8126 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8128 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8129 instead of general_operand in a SET_DEST. Use const_double_operand
8130 instead of an explicit test against CONST_DOUBLE.
8131 (movsf_const_lo): Add missing register mode.
8132 (goto_handler_and_restore): Add auxiliary test for Pmode.
8133 (flush): Adjust to use address_operand.
8134 (return_sf_no_fpu): Add missing output constraint.
8136 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8138 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8139 for call return value.
8140 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8142 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8144 * toplev.c (main): Only warn about options for other languages.
8145 * collect2.c (main): Pass -w to sub-gcc.
8147 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8149 * flow.c (propagate_block): Add call-clobbered registers to
8152 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8153 zapping mem_set_list.
8154 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8155 (mark_set_1, mark_used_regs): Likewise.
8157 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8159 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8161 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8163 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8164 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8165 options. Also add a new item "C-only Warning Options" to the
8168 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8170 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8171 from multiple calls.
8173 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8175 * i386.md (call value patterns): Move to the end of the file.
8176 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8178 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8180 * configure.in (djgpp configuration): Define extra_objects..
8181 * configure: Rebuilt.
8182 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8183 (DTORS_SECTION_ASM_OP): Define.
8184 (INIT_SECTION_ASM_OP): Define.
8185 (FINI_SECTION_ASM_OP): Define.
8186 (DATA_SECTION_ASM_OP): Define.
8187 (TEXT_SECTION_ASM_OP): Define.
8188 (EH_FRAME_SECTION_ASM_OP): Define.
8189 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8190 (STARTFILE_SPEC): Add crtbegin.o.
8191 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8192 to here from LINK_COMMAND_SPEC.
8193 (DO_GLOBAL_CTORS_BODY): Define.
8194 (CRTSTUFF_USE_FINI_SECTION): Define
8195 (HAS_INIT_SECTION): Delete.
8197 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8199 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8201 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8203 * pa.h (PREDICATE_CODES): New.
8205 * genrecog.c (validate_pattern): Condense the destination
8208 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8210 * alpha.md (call-1): Supply missing mode for operator.
8211 (*): Add missing output reload constraints. Remove constraints
8214 * i386.h (SPECIAL_MODE_PREDICATES): New.
8215 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8216 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8217 (addsi_lea_3): Add missing mode for op 3.
8218 (prologue_set_got, prologue_get_pc): Add missing modes.
8219 (*) Add missing output reload constraints.
8221 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8223 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8224 check for member bit-size overflow and use var_size if it occurs.
8225 (layout_record): Use bitsize_int() to define the type size in bits.
8226 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8227 (layout_decl): Likewise when assigning to DECL_SIZE.
8229 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8231 * genrecog.c (validate_pattern): Typo last change. Verify
8232 that output operands have output reloads.
8234 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8236 * genrecog.c (special_mode_pred_table): New.
8237 (NUM_SPECIAL_MODE_PREDS): New.
8238 (find_operand): New.
8239 (validate_pattern): New argument `insn'. Warn for assignment to
8240 any predicate accepting non-lvalues. Conditionaly warn for
8241 match_operand without a mode. Try much harder to match source
8242 and destination modes on a set.
8243 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8245 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8247 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8249 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8251 * combine.c (simplify_logical): Recognize xor pattern that encodes
8254 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8256 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8259 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8261 * ggc-page.c (MAP_FAILED): Provide default.
8263 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8265 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8266 * sparc.h (PREDICATE_CODES): Update.
8268 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8270 * alpha.c (some_ni_operand): New.
8271 * alpha-protos.h: Declare it.
8272 * alpha.h (PREDICATE_CODES): Update.
8273 * alpha.md (sXaddq reload insns): Use some_ni_operand
8274 for SET_DEST instead of some_operand.
8276 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8277 Jim Wilson <wilson@cygnus.com>
8279 * genrecog.c (maybe_both_true_2): Don't compare modes of
8281 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8282 after find_afterward.
8283 (debug_decision_1): Dump next and afterward codes.
8285 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8287 * rtl.c (dump_and_abort): Remove.
8288 (fatal_with_file_and_line): New.
8289 (fatal_expected_char): New.
8290 (read_rtx_lineno, read_rtx_filename): New.
8291 (read_skip_spaces): Track line number.
8292 (read_name): Use fatal_with_file_and_line.
8293 (read_rtx): Use fatal_expected_char. Track line number.
8294 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8296 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8297 if it isn't a CODE_LABEL.
8299 * genattr.c (main): Set read_rtx_filename.
8300 * genattrtab.c (main): Likewise.
8301 * gencodes.c (main): Likewise.
8302 * genconfig.c (main): Likewise.
8303 * genemit.c (main): Likewise.
8304 * genextract.c (main): Likewise.
8305 * genflags.c (main): Likewise.
8306 * genopinit.c (main): Likewise.
8307 * genoutput.c (main): Likewise.
8308 * genpeep.c (main): Likewise.
8310 * genrecog.c (decision_test.u.insn): Add `lineno'.
8311 (pattern_lineno, error_count): New variables.
8312 (message_with_line): New.
8313 (add_to_sequence): Break out checking code to ...
8314 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8315 (merge_insn): Use message_with_line.
8316 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8317 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8319 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8321 * expr.c (store_constructor): Clear union if constructor is empty.
8323 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8325 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8326 Add !endian checks. Change %{...} to %(...).
8328 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8330 * i386.md (*addsi3_cc): Renamed from addcsi3.
8331 (*addsi3_carry): Renamed from addxsi3.
8332 (*subsi3_cc): Renamed from subcsi3.
8333 (*subsi3_carry): Renamed from subxsi3.
8334 (*xorqi_cc_1): Renamed from xorcqi_1.
8335 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8336 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8338 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8340 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8341 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8343 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8345 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8346 climb up the chain of insns.
8348 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8350 * genrecog.c (write_subroutine): Careful for null trees.
8351 (process_tree): Don't elide empty functions.
8353 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8355 * Makefile.in (genrtl.o): Depend on ggc.h.
8356 * configure.in (valloc): Probe for it.
8357 (with-gc): Use ggc-page if valloc present.
8358 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8359 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8360 (ggc_alloc_string): Moved from ggc-page.c.
8361 * ggc-none.c (ggc_alloc_obj): New.
8362 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8363 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8364 (struct globals): Likewise for dev_zero_fd.
8365 (init_ggc): Likewise for it's initialization.
8366 (ggc_allocated_p): Move careful dereference from ...
8367 (ggc_lookup_page_table): ... here. Delete.
8368 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8369 (alloc_anon): Use valloc if no mmap.
8370 (release_pages): Use free if using valloc.
8371 (ggc_alloc_obj): Renamed from alloc_obj.
8372 (ggc_set_mark): Renamed from mark_obj.
8373 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8374 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8375 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8376 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8377 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8378 (ggc_collect): Use fp printing instead of our own rounding.
8379 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8380 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8381 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8382 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8383 (struct ggc_string, struct ggc_any): Delete.
8384 (offsetof): Provide default definition.
8385 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8387 (struct ggc_mem): New, from corpse of ggc_any.
8388 (struct ggc_status): Delete.
8389 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8390 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8391 (n_strings_collected, n_anys_collected): Delete.
8392 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8393 (ggc_alloc_string, ggc_alloc): Delete.
8394 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8395 (ggc_free_string, ggc_free_any): Delete.
8396 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
8397 (ggc_compare_addresses, ggc_mark_string): Delete.
8398 (ggc_mark_string_if_gcable, ggc_mark): Delete.
8399 (search_data): Delete.
8400 (struct globals): New.
8401 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
8402 (tree_insert, tree_lookup): New.
8403 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
8404 (clear_marks, sweep_objs): New.
8405 (ggc_collect): Gut. Use clear_marks, sweep_objs.
8406 (init_ggc): Set allocated_last_gc.
8407 (ggc_push_context): Gut. Use G.context.
8408 (ggc_pop_context): Likewise.
8409 (ggc_pop_context_1): New.
8410 (debug_ggc_tree): New.
8411 (debug_ggc_balance, tally_leaves): New.
8412 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
8413 (ggc_mark_string_if_gcable): Remove decl.
8414 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
8415 (ggc_mark_rtvec_children): New.
8416 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
8417 (ggc_mark_if_gcable): New decl.
8418 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
8419 (ggc_alloc_tree, ggc_alloc): Likewise.
8420 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
8421 (ggc_alloc_obj): New decl.
8422 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
8423 (ggc_alloc_tree, ggc_alloc): Likewise.
8424 (ggc_set_mark): New decl.
8425 * rtl.h (struct rtx_def): Remove gc_mark.
8426 (struct rtvec_def): Likewise.
8427 * tree.h (struct tree_common): Likewise.
8429 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
8431 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
8432 float_format and thread_file definitions.
8433 * configure: Rebuilt.
8435 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
8437 * extend.texi (Function Names): Document types of function names.
8439 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8441 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8442 an earlyclobbered output conflict with RELOAD_INPUT reloads.
8444 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8446 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
8448 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8450 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
8452 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
8454 * collect2.c (main): Do prelimnary link on AIX if rflag.
8456 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8458 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
8459 __CTOR_LIST__ in opposite order, which is the correct order for sorted
8461 (__do_global_dtors): similarly for __DTOR_LIST__.
8463 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8464 Diego Novillo <dnovillo@cygnus.com>
8466 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
8469 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
8471 * fixincl/*: Merged "no_bogosity" branch
8472 * fixincl/fixlib.h: protect against doubly defining t_bool
8473 * fixincl/server.h: protect against doubly defining t_bool
8475 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
8477 * genoutput.c: Include toplev.h.
8479 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
8481 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8483 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
8484 * configure: Regenerate.
8486 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8488 * gcse.c (delete_null_pointer_checks): Returns void.
8490 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8492 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
8493 * emit-rtl.c (copy_insn_1): Likewise.
8495 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8497 * config/mips/mips.c (mips_build_va_list): Correct
8498 TREE_CHAIN setting when hard-float.
8499 (mips_va_start): Use corrected setting.
8500 (mips_va_arg): Likewise. Also pass a tree to build of
8501 POSTINCREMENT_EXPR rather than a naked 'int'.
8503 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
8505 * ggc.h (ggc_push_context): Fix comment.
8506 (ggc_pop_context): Likewise.
8507 (mark_string_if_gcable): Likewise.
8508 * ggc-common.c (ggc_mark_rtx_children): Use
8509 ggc_mark_string_if_gcable.
8510 * ggc-page.c (ggc_lookup_page_table): New function.
8511 (ggc_allocated_p): Likewise.
8512 (mark_obj): Fix formatting.
8513 (ggc_mark_string_if_gcable): New function.
8514 * ggc-simple.c (ggc_allocated_strings): New variable.
8515 (ggc_strings_used): Likewise.
8516 (ggc_compare_addresses): New function.
8517 (ggc_pop_context): Pop the `any' memory too.
8518 (ggc_mark_string_if_gcable): New function.
8519 (ggc_collect): Initialize and tear down ggc_allocated_strings.
8521 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
8523 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
8524 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
8525 * rs6000.c (expand_block_move): Match movstrsi_?reg register
8528 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
8530 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
8531 (sched_reg_live_length, sched_reg_basic_block): Delete.
8532 (current_block_num, bb_live_regs, old_live_regs): Delete.
8533 (dead_notes, struct sometimes): Delete.
8534 (sched_note_set, birthing_insn_p): Delete.
8535 (adjust_priority): Gut useless reg lifetime code.
8536 (create_reg_dead_note, attach_deaths): Delete.
8537 (attach_deaths_insn, new_sometimes_live): Delete.
8538 (finish_sometimes_live): Delete.
8539 (find_pre_sched_live, find_post_sched_live): Delete.
8540 (update_reg_usage): Delete.
8541 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
8542 (schedule_insns): Delete reg lifetime code.
8543 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
8544 (unlink_other_notes): Adjust REG_NOTE commentary.
8545 (reemit_notes): Use REG_SAVE_NOTE.
8546 (schedule_block): Likewise.
8547 (schedule_region): Allocate bitmap of blocks in region. Use
8548 count_or_remove_death_notes. Use update_life_info.
8550 * rtl.h (REG_SAVE_NOTE): New.
8551 * rtl.c (reg_note_name): Update.
8553 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
8555 * combine.c (refresh_blocks, need_refresh): New.
8556 (combine_instructions): Allocate refresh_blocks. Invoke
8557 update_life_info if needed.
8558 (distribute_notes): Mark refresh_blocks instead of installing
8560 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
8561 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
8563 * Makefile.in (recog.o): Depend on basic-block.h.
8565 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
8567 * genrecog.c (add_to_sequence): Thinko last change: delete
8568 shadowing allow_const_int variable.
8570 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8572 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
8573 __GNUC__ and __GNUC_MINOR__.
8575 * gansidecl.h: Likewise.
8581 * toplev.h: Likewise.
8587 * varray.c: Likewise.
8589 * varray.h: Likewise.
8591 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8593 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
8594 use one before a jump table.
8596 * rtl.def (ADDRESS): Change documentation to match reality.
8597 * md.texi: Don't document it.
8598 * gmicro.md (load address pattern): Use 'p' constraint, delete use
8601 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
8603 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
8605 * genrecog.c (add_to_sequence): Move allow_const_int test outside
8606 known predicate block; default allow_const_int true.
8607 (debug_decision_list): New.
8609 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
8611 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
8613 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
8615 * gcse.c (gcse_main): Avoid global optimizations if we have a
8616 large number of basic blocks and the ratio of edges to blocks
8618 (delete_null_pointer_checks): Likewise.
8620 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
8622 * c-common.c (check_format_info): Warn if format string isn't a
8625 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8627 * configure.in (arm*-*-*): Don't let autoconf remove brackets
8628 * configure: regenerate
8630 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
8632 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
8633 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
8634 (peepholes): Re-enable.
8636 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
8638 * Makefile.in (flow.o): Depend on TREE_H.
8639 * basic-block.h (REG_SET_EQUAL_P): New.
8642 (free_regset_vector): Remove declaration.
8643 (flow_delete_insn_chain): Declare.
8644 (enum update_life_extent): New.
8645 (update_life_info, count_or_remove_death_notes): Declare.
8646 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
8647 Verify register live at bb->global_live_at_start before adding USE.
8648 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
8649 (CLEAN_ALLOCA): New.
8651 (PROP_*): New flags.
8652 (find_basic_blocks_1): Use alloc_EXPR_LIST.
8653 (clear_edges): Zero n_edges.
8654 (make_edge): Increment n_edges.
8655 (split_edge): Don't allocate bb->local_set. Increment n_edges.
8656 (flow_delete_insn_chain): Export.
8657 (delete_block): Decrement n_edges.
8658 (merge_blocks_nomove): Likewise.
8659 (life_analysis): Give life_analysis_1 PROP flags.
8660 (verify_wide_reg_1, verify_wide_reg): New.
8661 (verify_local_live_at_start): New.
8662 (update_life_info): Rewrite to call into propogate_block.
8664 (mark_regs_live_at_end): After reload, if epilogue as rtl,
8665 always mark stack pointer. Conditionally mark PIC register.
8666 After reload, mark call-saved registers, return regsiters.
8667 (life_analysis_1): Accept PROP flags not remove_dead_code.
8668 Call mark_regs_live_at_end before zeroing regs_ever_live.
8669 Use calculate_global_regs_live. Copy global_live_at_end before
8670 calling final propagate_block. Zero reg_next_use on exit.
8671 (calculate_global_regs_live): New.
8672 (allocate_bb_life_data): Don't allocate bb->local_set.
8673 (init_regset_vector, free_regset_vector): Remove.
8674 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
8675 Test flags before every operation. Warn if prologue/epilogue insn
8676 would have been deleted.
8677 (mark_set_regs, mark_set_1): Accept and use FLAGS.
8678 Use alloc_EXPR_LIST.
8679 (mark_used_regs): Accept and use FLAGS, not FINAL.
8680 Remove special handling for RETURN.
8681 (try_pre_increment): Use alloc_EXPR_LIST.
8682 (dump_flow_info): Dump n_edges.
8683 (unlink_insn_chain, split_hard_reg_notes): Remove.
8684 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
8685 (find_insn_with_note, new_insn_dead_notes): Remove.
8686 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
8687 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
8688 (replace_insns): Remove.
8689 (count_or_remove_death_notes): New.
8690 (verify_flow_info): Abort on error after all checks.
8691 (remove_edge): Decrement n_edges.
8692 (remove_fake_edges): Tweek format.
8693 * haifa-sched.c (schedule_insns): Use split_all_insns.
8694 * output.h (update_life_info): Remove declaration.
8695 * recog.c (split_all_insns): From the corpse of split_block_insns,
8696 do the whole function block by block. Use update_life_info.
8697 (recog_last_allowed_insn): New.
8698 (recog_next_insn): Mind it.
8699 (peephole2_optimize): Set it. Walk backwards through blocks.
8700 Use update_life_info.
8701 * rtl.h (update_flow_info, replace_insns): Remove declarations.
8702 (split_all_insns): Declare.
8703 * toplev.c (rest_of_compilation): Thread prologue before flow2.
8704 Use split_all_insns.
8706 * i386.md (or -1 peep2s): Disable.
8708 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
8710 * config/mips/mips.md (movstrsi+[123]) : Combine these into
8711 a single pattern. Scrap the 'd' versions as unnecessary.
8713 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
8714 tablejump_mips162,tablejump_internal4): The operands to a
8715 label_ref must be VOIDmode.
8717 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8719 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
8721 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
8723 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
8725 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
8727 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
8728 cache every function if ggc_p.
8730 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8732 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
8733 instead of copy_rtx. Accept sequences that contain asm statements.
8734 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
8735 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
8736 orig_asm_operands_vector, copy_asm_operands_vector,
8737 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
8739 * rtl.h (copy_insn, copy_insn_1): Declare.
8741 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8743 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
8745 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
8746 arguments to `current_file_function_operand'.
8748 * genrecog.c: Include hard-reg-set.h and resource.h in the
8749 generated output file.
8751 * real.c: Include tm_p.h.
8753 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8755 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
8758 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
8760 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
8761 before the fctiwz insn.
8763 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8764 Mark Mitchell <mark@codesourcery.com>
8766 * tree.c (make_lang_type_fn): New funtion pointer.
8767 (make_lang_type): Call it.
8768 * tree.h (make_lang_type): Declare.
8769 (make_lang_type_fn): Likewise.
8770 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
8772 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
8774 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
8775 make sure that HIGH instructions are copied into BASE_REGS.
8777 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
8779 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
8781 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
8783 * c-decl.c (finish_struct): Use simpler method of
8784 removing elements of a singly-linked list.
8786 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
8788 * alpha.md (peephole2's): Comment out peephole2's that generate
8791 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
8793 * genrecog.c (add_to_sequence): Disable mode check for
8796 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8798 * ggc-simple.c (init_ggc): Set empty_string.
8800 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
8802 * configure.in: Detect mmap. Add --with-gc=foo to select
8803 garbage collector; default to page if mmap available.
8804 * Makefile.in (GGC): Substitute.
8806 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
8808 * c-decl.c (ggc_p): Enable.
8810 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8812 * flow.c (verify_flow_info): Make it extern & unconditionally define.
8814 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
8816 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
8817 string for little-endian-data.
8819 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
8821 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
8822 case somebody tries to compile --enable-checking code with gcc
8825 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
8827 * genrecog.c (add_to_sequence): Verify operand to label_ref is
8830 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
8832 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
8833 * jump.c (jump_optimize_1): Document why.
8835 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8837 * collect2.c (scan_prog_file, scan_libraries): Prototype function
8838 pointers and casts for `int_handler' and `quit_handler'.
8840 * flow.c (verify_flow_info, split_hard_reg_notes,
8841 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
8842 remove_edge, remove_fake_successors): Add static prototypes.
8843 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
8844 (mark_set_1): Initialize variable `regno'.
8845 (unlink_insn_chain): Likewise for variable `curr'.
8846 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
8848 * loop.c (strength_reduce): Initialize variable
8849 `unrolled_insn_copies'.
8850 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
8851 prototypes. Change these functions to take const PTR parameters
8852 to avoid prototype conflict when used as the comparson argument
8854 (check_dbra_loop): Initialize variable `comparison_val'.
8856 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
8857 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
8858 (find_valid_class): Initialize variable `best_class'.
8859 (find_reloads): Call memcpy, not bcopy.
8861 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
8862 (hard_reg_use_compare): Don't needlessly cast away const.
8863 (reload_reg_class_lower): Likewise.
8864 (choose_reload_regs): Initialize variable `regno'.
8866 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
8868 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
8870 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
8872 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
8873 ({,d}discard): Add forward declarations. Declare parameter as
8875 (main_without_main): Explicitly declare return type to be int.
8876 (memcpy): Properly declare.
8878 * libgcc2.c (toplevel): If inhibit_libc is defined and not
8879 building the trampoline support, declare malloc, free, and
8881 (__clear_cache): Mark arguments as potentially unused.
8883 * frame.c (toplevel): If inhibit_libc is defined, declare
8886 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
8888 * flow.c (make_edge): Accept an optional 2D bitmap in which
8889 to cache edge existence. Update all callers.
8890 (make_label_edge, make_eh_edge): Pass through the edge cache.
8891 (make_edges): Provide the cache.
8893 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
8897 (local_mbtowc): Change the type of variable `i' from int to size_t.
8899 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
8900 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
8902 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
8904 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
8905 after other includes that define the appropriate types. Include
8906 tm_p.h for getting user prototypes.
8907 * ggc-callbacks.c (toplevel): Ditto.
8908 * ggc-none.c (toplevel): Ditto.
8909 * gcc-page.c (toplevel): Ditto.
8910 * ggc-simple.c (toplevel): Ditto.
8912 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
8913 Jonathan Larmour <jlarmour@cygnus.co.uk>
8915 * config/mips/mips.c (mips_move_2words): Split doubles if
8916 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
8918 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
8920 * genrecog.c (struct decision_test): New.
8921 (struct decision): Remove test-related members, sort the rest by size.
8922 (IS_SPLIT): Simplify.
8923 (new_decision, new_decision_test): New.
8924 (add_to_sequence): Use them. No special handling for args of
8926 (maybe_both_true): Renamed from not_both_true; return sense changed.
8927 (maybe_both_true_1, maybe_both_true_2): New. Broken out
8928 of maybe_both_true and adjusted for decision_test.
8929 (position_merit): Remove.
8930 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
8931 (merge_accept_insn): New, broken out of merge_trees.
8932 (merge_trees): Use them. No special case for c_test; no node
8933 splitting; use test type instead of position_merit.
8934 (factor_tests): New.
8935 (simplify_tests): New.
8936 (break_out_subroutines): Don't write code now.
8937 (find_afterward): New.
8938 (write_afterward, write_switch, write_cond): New.
8939 (write_action, is_unconditional): New.
8940 (write_node): New. Use them.
8941 (write_tree_1): Rewrite. Use the new functions above.
8942 (write_tree): Remove afterward processing.
8943 (write_subroutine): Simplify function variant emission.
8944 (write_subroutines): New.
8945 (same_codes, clear_codes): Remove.
8946 (same_modes, clear_modes): Remove.
8947 (write_header): New, broken out of main.
8948 (make_insn_sequence): Use new_decision and new_decision_test.
8949 (process_tree): New, broken out of main.
8950 (main): Adjust for merge_trees interface change.
8951 Don't #define operands in the output file.
8952 (record_insn_name): New, broken out of make_insn_sequence.
8953 (debug_decision_2, debug_decision_1, debug_decision_0): New.
8954 (debug_decision): New.
8956 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
8958 * resource.c (find_free_register): Mark class_str argument const.
8959 * resource.h: Update prototype to match.
8961 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
8962 * i386.md: Give all anonymous insns names.
8964 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
8966 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
8969 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
8971 * toplev.c (dbr_sched_time): Unconditional.
8972 (peephole2_time): New.
8973 (compile_file): Add pass numbers to all of the dump file suffixes.
8974 Dump peephole2_time. Don't dump times for non-applicable passes.
8975 (rest_of_compilation): Add pass numbers to dump file suffixes.
8976 Conditionalize calls to the scheduler.
8977 * invoke.texi: Update.
8979 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
8981 * flow.c (make_edges): Fix insn iteration.
8982 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
8983 (find_basic_blocks_1): Fix spelling mistake.
8985 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
8987 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
8988 always have side-effects. Use memset not bzero.
8989 (make_node): Likewise.
8991 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
8993 * stmt.c (expand_anon_union_decl): When any of the elements of the
8994 union is addressable, so is the entire union.
8996 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
8998 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9000 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9001 * bitmap.c (bitmap_operation): Return true iff TO changed.
9002 (bitmap_equal_p): New.
9003 (bitmap_bit_p): Tidy arithmetic.
9004 (debug_bitmap_file): Likewise.
9006 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9008 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9009 before cse2 instead of after.
9011 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9013 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9016 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9018 * cppinit.c (is_idchar initializer): Loosen tests to accept
9021 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9023 * mips.md: Define conditional move patterns for floating point
9024 operands and DI mode conditions.
9026 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9028 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9029 always have side-effects.
9031 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9033 * mn10200.c (asm_file_start): Fix typo.
9035 * cppinit.c (is_idchar initializer): Tighten tests for when
9036 to put the table into initialized memory.
9038 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9039 not an array of rtunion.
9040 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9041 * gcc-simple (ggc_free_rtvec): Similarly.
9043 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9046 * mbchar.h: Add missing #endif.
9048 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9049 (FPBIT, DPBIT): Define.
9051 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9053 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9055 * profile.c (instrument_arcs, output_gcov_string,
9056 tablejump_entry_p): Add static prototypes.
9057 (output_gcov_string): Constify a char*.
9059 * regmove.c (replacement_quality, fixup_match_2): Add static
9062 * resource.h (reg_dead_p): Add extern prototype.
9064 * rtl.c (trim_filename): Add static prototype.
9066 * scan-decls.c (skip_to_closing_brace): Likewise.
9068 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9069 (expand_end_case): Initialize variable `range'.
9070 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9072 * varasm.c (asm_emit_uninitialised): Add static prototype.
9073 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9076 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9078 * cpplib.c (if_directive_nameo): Add static prototype.
9080 * cse.c (cse_insn): Remove unused variable `p'.
9082 * except.c (create_rethrow_ref, push_entry,
9083 receive_exception_label, new_eh_region_entry, find_func_region,
9084 clear_function_eh_region, process_nestinfo): Add static prototypes.
9085 (get_reg_for_handler): Hide definition.
9086 (process_nestinfo): Initialize variable `extra_handlers'.
9088 * expr.h (expand_builtin_longjmp): Add extern prototype.
9090 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9092 * function.c (prepare_function_start): Likewise.
9093 (pop_function_context_from): Mark parameter `context' with
9095 (push_temp_slots_for_block, flush_addressof): Hide definition.
9097 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9098 solve_program_flow_graph, calculate_branch_probs,
9099 function_summary, main, fancy_abort): Add prototypes.
9101 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9102 (add_hash): Constify a char*.
9104 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9105 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9106 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9108 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9110 * lists.c (free_list, zap_lists): Likewise.
9112 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9114 * alias.c (nonlocal_reference_p): Add static prototype.
9116 * bitmap.c (bitmap_element_allocate): Prototype args in function
9119 * builtins.c (stabilize_va_list): Add static prototype.
9120 (expand_builtin_va_arg): Constify a char*.
9122 * c-lex.c (getch, put_back, extend_token_buffer_to,
9123 read_line_number, token_getch, token_put_back): Add static
9126 * c-parse.gperf (hash, is_reserved_word): Likewise.
9128 * cccp.c (is_dir_separator): Likewise.
9130 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9132 * graph.h: New file to prototype functions exported by graph.c.
9134 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9136 * graph.c: Include graph.h.
9138 * toplev.c: Likewise. Remove redundant prototypes.
9140 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9142 * invoke.texi: Removed duplicated description for -Q.
9144 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9146 * extend.texi: Grammar fix in __extension__ text.
9148 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9150 * md.texi (define_peephole2): New section.
9152 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9154 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9155 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9158 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9160 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9162 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9164 * i386.md (ffs expander): Emit Pentium friendly code for
9167 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9169 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9173 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9175 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9177 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9179 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9182 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9184 * md.texi (No Constraints): Delete section.
9185 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9186 * final.c (final_scan_insn): We always have register constraints.
9187 * genattrtab.c: Don't include "insn-config.h".
9188 (write_attr_case): We always have register constraints.
9189 * genconfig.c (register_constraint_flag): Delete.
9190 (walk_insn_part): Don't check whether we have register constraints.
9191 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9192 * genoutput.c (have_constraints): Delete.
9193 (main): Don't set it.
9194 (output_operand_data): We always have constraints.
9195 (scan_operands): Likewise.
9196 (compare_operands): Likewise.
9197 * local-alloc.c (block_alloc): We always have constraints.
9198 (requires_inout): Always compile this function.
9199 * recog.c (extract_insn): We always have constraints.
9200 (constrain_operands, reg_fits_class_p): Always compile these
9202 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9204 (struct insn_operand_data): Likewise.
9205 * regclass.c (regclass): We always have constraints.
9206 (record_reg_classes, copy_cost, record_address_regs,
9207 auto_inc_dec_reg_p): Always compile these functions.
9208 * regmove.c (regmove_optimize): We always have constraints.
9209 * reload.c (find_reloads): Likewise.
9210 * reload1.c (reload): Likewise.
9211 (reload_cse_simplify_operands): Likewise.
9212 * i860.c (output_delay_insn): Likewise.
9214 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9216 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9218 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9220 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9221 for the va_list record.
9223 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9225 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9228 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9230 * alias.c: Include insn-flags.h.
9231 * Makefile.in (alias.o): Update.
9233 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9235 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9236 to LTU and GEU. Handle more cases using sbb.
9238 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9240 * i386.md (truncatexfdf splitters): Do not use subreg.
9241 (fop XFmode patterns): Fix mode in operand testing.
9243 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9245 * jump.c (jump_optimize_1): Amend last change to test only the
9246 form of the operand, not the insn.
9248 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9249 not register_operand to determine when B may need preloading.
9251 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9253 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9254 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9255 (call-value patterns): Move to end of file.
9256 (*): Remove mode from label_ref in (pc) context.
9257 (movstrqi): Use memory not general_operand for BLKmode operands.
9258 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9259 to register_operand operands.
9260 (peep2 patterns): Convert from commented-out peephole patterns.
9262 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9264 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9265 to BUILT_IN_INIT_DWARF_REG_SIZES.
9266 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9267 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9268 expand_builtin_init_dwarf_reg_sizes.
9269 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9270 with __builtin_init_dwarf_reg_size_table.
9271 * dwarf2out.c (struct reg_size_range): Delete.
9272 (expand_builtin_init_dwarf_reg_sizes): New function.
9273 (expand_builtin_dwarf_reg_size): Delete.
9274 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9275 (expand_builtin_dwarf_reg_size): Don't declare.
9276 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9277 (dwarf_reg_size_table): New.
9278 (init_reg_size_table): New function.
9279 (copy_reg): Use dwarf_reg_size_table.
9280 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9283 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9285 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9286 Correctly build argument list to constructor and destructor functions.
9288 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9290 * c-tree.h (warn_float_equal): Declare.
9291 * c-decl.c (warn_float_equal): Define.
9292 (c_decode_option): Recognize -W[no-]float-equal.
9293 * c-typeck.c (build_binary_op): Conditionally warn
9294 about equality tests of floating point types.
9295 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9296 * invoke.texi: Add docs for -Wfloat-equal warning.
9298 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9300 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9301 generating RTL directly.
9302 * mips.h (INIT_TARGET_OPTABS): Likewise.
9303 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9305 * expr.h (init_mov_optab): Delete declaration
9307 * h8300.c (WORD_REG_USED): Update to avoid useless register
9308 saves in interrupt functions and functions which never return.
9310 * cse.c (struct set): Delete inner_dest_loc field.
9311 (cse_insn): Remove assignments to inner_dest_loc field.
9313 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9315 * ggc-page.c: Don't include <unistd.h> etc taken care of
9316 by "system.h". Include <sys/mman.h> afterward.
9318 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9320 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9323 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9325 * xcoffout.c (xcoffout_declare_function): Add documentation.
9326 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9327 TARGET_64BIT. Compare constant to -1, not bit pattern.
9328 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9329 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9332 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9334 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9336 (gen_inlined_enumeration_type_die): Do not abort if the type has
9337 not been writeen out.
9338 (gen_inlined_structure_type_die): Do not abort if the type has
9339 not been writeen out.
9340 (gen_inlined_union_type_die): Do not abort if the type has
9341 not been writeen out.
9342 (gen_tagged_type_instantiation_die): Do not abort if the type
9343 has not been written out.
9345 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9347 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9349 * reg-stack.c (straighten_stack): Copy hard reg set with
9352 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9354 * builtins.c (stabilize_va_list): Stabilize array type va_list
9355 to a pointer type, not the base record type.
9356 (expand_builtin_va_copy): Dereference the pointers explicitly;
9357 use the correct size for the copy.
9359 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9360 (rs6000_va_arg): Likewise.
9362 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9364 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9366 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9368 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9370 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9372 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9374 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9375 (init_ggc): Use it instead of a constant.
9376 (ggc_collect): Bound allocated_last_gc by it.
9378 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9380 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9383 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9385 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9386 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9388 * config/mips/openbsd.h: New, OpenBSD little endian target.
9389 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9390 * config/mips/xm-openbsd.h: New, OpenBSD host.
9392 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9394 * config/m68k/m68k.c (output_function_prologue,
9395 output_function_epilogue): Use
9396 current_function_uses_pic_offset_table instead of regs_ever_live
9397 to decide whether to save/restore pic register.
9398 (legitimize_pic_address): Don't modify regs_ever_live any more.
9400 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
9402 * function.h (struct function): Add x_dont_save_pending_sizes_p.
9403 * stor-layout.c (variable_size): Don't add sizes to the pending
9404 sizes list if x_dont_save_pending_sizes_p is set.
9406 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
9408 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
9409 for symbolic_operand().
9410 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
9412 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9414 * combine.c (gen_rtx_combine): Add missing call to va_end().
9416 * final.c (asm_fprintf): Likewise.
9418 * genattrtab.c (attr_rtx): Likewise.
9420 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
9422 * cse.c: Update comments.
9423 (cse_insn): When converting a conditional/computed jump into
9424 an unconditional jump, always make sure a BARRIER immediately
9425 follows the converted jump. Do not delete unreachable code.
9426 (cse_basic_block): Do not delete unreachable code.
9427 * toplev.c (rest_of_compilation): Move call to
9428 delete_trivially_dead_insns after the conditional call to
9431 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9433 * collect2.c (make_temp_file): Don't prototype.
9435 * gcc.c (make_temp_file): Likewise.
9437 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
9439 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
9441 * varasm.c (asm_emit_uninitialised): New function: Generate
9442 the assembler statements necessary to declare an uninitialised
9444 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
9446 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
9447 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
9449 (assemble_variable): Use asm_emit_uninitialised to emit an
9450 uninitialised variable.
9452 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
9454 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
9455 constant on a 64 bit host. Patch supplied by Geoffrey Keating
9456 <geoffk@cygnus.com>.
9458 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9460 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
9461 * c-common.h (builtin_function): Don't declare.
9463 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
9465 (pushdecl): Likewise.
9466 (finish_decl): Likewise.
9467 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
9468 int. All callers changed.
9469 Set the builtin's DECL_BUILT_IN_CLASS.
9470 * tree.h (enum built_in_class): New.
9471 (enum built_in_function): Delete NOT_BUILT_IN.
9472 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
9474 (DECL_SET_FUNCTION_CODE): Likewise.
9475 (DECL_BUILT_IN_CLASS): New macro.
9476 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
9477 (struct tree_decl): Split builtin function code field into a
9479 (builtin_function): Declare.
9481 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
9483 * optabs.c (init_traps): Fix typo in last change.
9485 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
9487 * toplev.c (rest_of_decl_compilation): Update comment.
9489 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9491 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
9492 in .sbss if appropriate.
9493 (EXTRA_SECTION_FUNCTIONS): Add sbss.
9494 (SBSS_SECTION_ASM_OP): New macro.
9495 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
9496 (EXTRA_SECTIONS): Add in_sbss.
9497 * config/mips/mips.h: Prototype sbss_section.
9499 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
9501 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
9504 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
9506 * optabs.c (init_traps): Register trap_rtx as a GC root.
9508 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9510 * config/mips/mips.c (function_arg_pass_by_reference): Define
9511 unconditionally, since it's called unconditionally.
9513 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
9515 * toplev.c (documented_lang_options): Add -fshort-wchar.
9516 * c-decl.c (c_decode_option): Likewise.
9517 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
9519 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
9520 * gcc.c (default_compilers): If -fshort-wchar,
9521 override __WCHAR_TYPE__.
9522 * tm.texi (C Dialect Options): Add -fshort-wchar.
9524 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
9525 symbol for a variable.
9527 * cpplib.h (CPP_PREPROCESSED): New macro.
9528 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
9529 we're seeing this input for a second time.
9531 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
9533 * emit-rtl.c (init_emit_once): Initialize modes first.
9535 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
9537 * config/i386/i386.c (pic_label_name): Change to char pointer.
9538 (global_offset_table): New variable.
9539 (load_pic_register): Fill global_offset_table if it hasn't
9540 already been done. Allocate pic_label_name dynamically.
9541 * ggc.h (empty_string): New variable.
9542 * ggc-simple.c (empty_string): Likewise.
9543 (init_ggc): Allocate empty_string and add as root.
9544 * stmt.c (digit_strings): New variable.
9545 (init_stmt): Add last_block_end_note as root. Allocate and
9546 initialize digit_strings.
9547 (expand_asm_operands): Use empty_string instead of string
9548 constant. Use digit_strings instead of string constants.
9549 * profile.c (init_arc_profiler): Allocate string with
9550 ggc_alloc_string instead of xmalloc.
9551 (output_func_start_profiler): Likewise.
9552 * c-typeck.c (digest_init): Check if init is error_mark_node.
9554 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
9555 Richard Henderson <rth@cygnus.com>
9557 * ggc-page.c: New file.
9558 * Makefile.in (ggc-page.o): New.
9560 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
9562 * invoke.texi: Document -fdelete-null-pointer-checks
9563 * toplev.c (flag_delete_null_pointer_checks): New.
9564 (f_options): Add entry for -fdelete-null-pointer-checks.
9565 (rest_of_compilation): Conditionalize null pointer check
9566 elimination on flag_delete_null_pointer_checks.
9567 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
9569 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
9571 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
9572 copyright notice and special exception to GPL.
9574 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9576 * abi64.h (mips_function_value): Add prototype arguments.
9578 * mips-protos.h: New file with mips prototypes.
9580 * mips.c: Include "tm_p.h".
9581 (mktemp, lookup_name): Add prototype arguments.
9582 (extern_list, string_constant, mips_fill_delay_slot,
9583 mips_output_external, mips_output_external_libcall,
9584 mips_output_filename, mips_declare_object, function_prologue,
9585 mips_expand_prologue, function_epilogue, mips16_constant,
9586 build_mips16_function_stub, mips_output_conditional_branch):
9588 (mips_va_start): Remove unused variable `u'.
9589 (mips_va_arg): Cast value to unsigned when comparing against one.
9591 (save_restore_insns, mips_expand_prologue): Add missing arg in
9592 call to `large_int'.
9594 * mips.h: Move prototypes to mips-protos.h.
9595 (data_section, memory_address_p, rdata_section,
9596 readonly_data_section, simple_epilogue_p, text_section): Delete
9597 prototypes delcared elsewhere.
9598 (mips_epilogue_delay_slots, print_options): Delete unused decls.
9600 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
9602 * mips.md: Delete extra args in call to `mips_move_2words'.
9604 * xm-iris6.h (alloca): Add prototype argument.
9606 * genpeep.c: Include "tm_p.h" in generated output file.
9608 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9610 * basic-block.h (find_edge_index): Change parameters.
9611 * flow.c (verify_edge_list): Pass basic_block parameters to
9612 find_edge_index instead of integers.
9614 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
9616 * combine.c (simplify_comparison): Use an unsigned shift to adjust
9619 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
9621 * gcc.1: Fix a formatting error.
9623 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9625 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
9626 i786, mn10200, mn10300, pdp11, v850.
9628 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
9630 * libgcc2.c (num_digits): Add prototype with
9631 __attribute__((const)).
9632 (__terminate): Add prototype.
9634 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
9636 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
9638 * alpha/alpha.c (print_operand): Fix type of `code'.
9639 (alpha_output_filename): Constify.
9640 * alpha/alpha.h: Move all function declarations ...
9641 * alpha/alpha-protos.h: ... here. New file.
9642 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
9643 (SECTION_FUNCTION_TEMPLATE): Likewise.
9645 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9647 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
9648 * expr.c (expand_expr): Likewise.
9649 (do_jump): Likewise.
9650 (do_store_flag): Pass ccp_store_flag to can_compare_p.
9651 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
9653 (enum can_compare_purpose): New.
9654 (can_compare_p): Adjust prototype.
9655 (prepare_cmp_insn, prepare_operand): Declare.
9656 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
9657 * optabs.c (cmp_available_p): Deleted.
9658 (expand_abs): Pass ccp_jump to can_compare_p.
9659 (can_compare_p): New arg PURPOSE. Check for combined optabs.
9660 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
9661 Call can_compare_p rather than cmp_available_p.
9662 (prepare_operand): No longer static.
9663 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
9664 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
9665 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
9666 sequence to use emit_cmp_and_jump_insns.
9667 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
9669 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
9671 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
9672 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
9673 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
9674 (plus (reg) (const_int 0))
9675 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
9677 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
9679 * rs6000.c (expand_block_move): DImode loads and stores require
9680 word-aligned displacements. Increment address registers with
9681 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
9683 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
9685 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
9686 is no name for the base type, rather than segfault. If we are
9687 writing out a complex integer type, use DW_ATE_lo_user.
9689 * expr.c (emit_move_insn_1): If we are copying a complex that fits
9690 in one word or less (complex char, complex short, or on 64 bit
9691 systems complex float) to/from a hard register, copy it through
9692 memory instead of dying in gen_{real,imag}part. If we have a
9693 short complex type, prevent inlining since it allocates stack
9696 * tree.c (build_complex_type): If we are writing dwarf2 output,
9697 generate a name for complex integer types.
9699 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9701 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
9702 * flow.c (remove_edge): Remove extra whitespace.
9703 (remove_fake_edges): Fix comment.
9704 (add_noreturn_fake_exit_edges): Use the correct name.
9706 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
9708 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
9709 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
9710 (clean): Depend on INTL_CLEAN.
9711 (maintainer-clean): Adjust.
9713 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9715 * configure.in (AC_PREREQ): Bump to 2.13.
9716 (AC_C_STRINGIZE): Call this instead of using a custom macro.
9718 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
9720 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
9722 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
9724 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
9725 (HAVE_STRINGIZE): Define.
9727 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
9729 * c-parse.in: save and restore warn_pointer_arith on __extension__
9730 along with pedantic.
9731 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
9732 Set the type of extension to itype rather than $<itype>1 kludge.
9733 * extend.texi (Alternate Keywords): Adjust documentation.
9734 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
9736 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
9738 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
9739 most assembler templates.
9741 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
9742 FP loads and stores.
9743 (following_call): Always return zero for the PA8000.
9744 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
9745 FP loads and stores.
9746 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
9748 * pa.h (BRANCH_COST): Define.
9750 * pa.md (return, return_internal): Use bve for PA2.0.
9752 * pa.md (fused multiply): Add variants which reduce height for the
9753 fused multiply, but which still generate 2 insns.
9754 (fnegabs): Similarly.
9756 * pa.md (subsi3): Turn into an expander. Create two anonymous
9757 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
9758 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
9760 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
9762 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
9764 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
9765 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
9767 * regclass.c (init_regs): Add "top_of_stack" as a garbage
9770 * flow.c (record_active_eh_regions): Terminate loop after finding
9771 the last insn in the last basic block.
9773 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9775 * config/c4x/c4x.md: Delete parallel instruction peepholes.
9777 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9779 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
9781 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9783 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
9784 splitting to not use output template.
9786 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9788 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
9789 * config/c4x/c4x.c (c4x_va_start): New function.
9791 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
9793 * genrecog.c (not_both_true): Handle correctly cases when called for
9794 tests with different positions in the insn.
9796 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9798 * machmode.h (HOST_PTR_PRINTF): Move from here ...
9800 * system.h (HOST_PTR_PRINTF): ... to here.
9802 * mips-tfile.c: Don't include machmode.h.
9804 * Makefile.in (MACHMODE_H): New variable. Update to use it.
9805 (mips-tfile.o): Don't depend on machmode.h.
9807 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * haifa-sched.c (sched_analyze): Rename local variable `region' to
9810 avoid conflicts with typedef struct `region' at the top level scope.
9812 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
9814 * basic-block.h (basic_block): Add eh_beg, eh_end.
9815 * flow.c (entry_exit_blocks): Update.
9816 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
9818 (find_basic_blocks_1): Don't record eh_list at each bb. Use
9819 lists.c functions to allocate insn lists.
9820 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
9822 (make_eh_edge): ... here. New.
9823 (move_stray_eh_region_notes): New.
9824 (record_active_eh_regions): New.
9825 (delete_unreachable_blocks): Split out block merging ...
9826 (try_merge_blocks): ... here. New.
9827 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
9828 Dump debugging data.
9829 (merge_blocks_move_successor_nojumps): Likewise.
9830 (merge_blocks): Use eh_beg+eh_end to validate block movement.
9832 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9834 * extend.texi (Bound member functions): Document unbound pmf
9837 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9839 * flow.c (split_edge): Handle insertion on a fallthrough edge which
9840 has the EXIT_BLOCK as a dest.
9842 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9844 * flow.c (remove_edge): New function to remove an edge from the
9846 (remove_fake_successors): New function to remove fake successor edges.
9847 (remove_fake_edges): New function to remove all fake edges from the
9849 (add_fake_exit_edges): New function to add fake edges from all blocks
9850 with no successors to the exit block.
9851 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
9852 prototypes for new functions.
9854 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9856 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
9857 Use Pmode to determine whether to output .dword or .word.
9859 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
9861 * tree.c (built_in_filename): New variable.
9862 (BUILT_IN_FILENAME): New macro.
9863 (init_tree_codes): Allocate built_in_filename.
9864 (make_node): Use built_in_filename instead of string constant.
9866 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
9868 * configure.in: Add fr30 target.
9869 * configure: Regenerate.
9870 * config/fr30: New directory.
9871 * config/fr30/crti.asm: New file.
9872 * config/fr30/fr30.c: New file.
9873 * config/fr30/crtn.asm: New file.
9874 * config/fr30/fr30.h: New file.
9875 * config/fr30/fr30.md: New file.
9876 * config/fr30/lib1funcs.asm: New file.
9877 * config/fr30/t-fr30: New file.
9878 * config/fr30/xm-fr30.h: New file.
9880 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
9882 * flow.c (merge_blocks_move_successor_nojumps): Delete the
9883 BARRIER at the end of the successor, not the BARRIER before
9886 * pa.c (pa_add_gc_roots): Fix thinko in last change.
9888 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
9890 * stmt.c (any_pending_cleanups): Don't crash when
9891 current_function->stmt is unset.
9893 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9895 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
9896 other initializations that may use it for relative offsets.
9898 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9900 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
9901 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
9902 * config/i386/sol2dbg.h: Removed.
9903 * config/i386/sol2gas.h: New file, to enable gas work-around.
9904 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
9905 Don't use sol2dbg.h.
9906 * configure: Rebuilt.
9908 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
9910 * invoke.texi (-fthis-is-variable): Remove documentation.
9912 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
9914 * basic-block.h (compute_bb_for_insn): Declare.
9915 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
9916 to use; set size of basic_block_for_insn directly.
9917 (find_basic_blocks): Update.
9919 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9921 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
9923 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9925 * crtstuff.c (ON_EXIT): Delete empty macro definition.
9926 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
9928 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
9930 * c-decl.c (c_decode_option): Extend comment.
9932 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
9934 * toplev.c (progname): Make 'const char *'
9935 (flag_print_mem): Move out of main.
9936 (version_flag): Move out of main.
9937 (filename): Move out of main.
9938 (debug_args): Remove g prefix from options.
9939 (documented_lang_options): Remove cpplib specific options.
9940 (display_help): Add g prefix to debug options.
9941 (check_lang_option): Delete this function.
9942 (decode_d_option): New function: Decode -d... option.
9943 (decode_f_option): New function: Decode -f... option.
9944 (decode_W_option): New function: Decode -W... option.
9945 (decode_g_option): New function: Decode -g... option.
9946 (independent_decode_option): New function: Decode a language
9947 independent command line option.
9948 (main): Invoke lang_decode_option and then
9949 independent_decode_option on each command line option in
9952 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
9954 Revert this change. Gavin's patch to operand_equal_p is a better fix.
9955 * fold-const.c (fold_range_test): Do not try to fold the range
9956 test if the rhs or lhs has side effects.
9958 * basic-block.h (compute_flow_dominators): Declare.
9960 * gcse.c (alloc_code_hoist_mem): New function.
9961 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
9962 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
9963 (hoist_code, one_code_hoisting_pass): Likewise.
9964 (gcse_main): If optimizing for size, then hoist expressions
9965 computed in multiple dominated basic blocks.
9967 * gcse.c (invalid_nonnull_info): New function.
9968 (delete_null_pointer_checks): Likewise.
9969 * rtl.h (delete_null_pointer_checks): Declare.
9970 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
9972 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
9973 (merge-blocks_move_successor_nojumps): Likewise.
9974 (merge_blocks): Allow merging of some blocks, even if it requires
9975 physical movement of the blocks, but not if it requires new jumps.
9977 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
9978 Callers and prototype changed.
9979 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
9981 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9983 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
9984 -YP when both -p and -pg are present. From i386/sol2.h.
9986 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9988 * Makefile.in (distclean): Delete tm_p.h.
9989 * configure.in: Create a new file, "tm_p.h", from a list in
9990 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
9991 "i386/i386-protos.h".
9993 * alias.c: Include "tm_p.h".
9994 * c-typeck.c: Likewise.
9995 * calls.c: Likewise.
9997 * emit-rtl.c: Likewise.
9998 * explow.c: Likewise.
9999 * expmed.c: Likewise.
10000 * expr.c: Likewise.
10001 * final.c: Likewise.
10002 * flow.c: Likewise.
10003 * fold-const.c: Likewise.
10004 * function.c: Likewise.
10005 * gcse.c: Likewise.
10006 * global.c: Likewise.
10007 * haifa-sched.c: Likewise.
10008 * integrate.c: Likewise.
10009 * jump.c: Likewise.
10010 * local-alloc.c: Likewise.
10011 * loop.c: Likewise.
10012 * optabs.c: Likewise.
10013 * recog.c: Likewise.
10014 * reg-stack.c: Likewise.
10015 * regclass.c: Likewise.
10016 * regmove.c: Likewise.
10017 * reload.c: Likewise.
10018 * reload1.c: Likewise.
10019 * reorg.c: Likewise.
10020 * resource.c: Likewise.
10021 * stmt.c: Likewise.
10022 * stor-layout.c: Likewise.
10023 * toplev.c: Likewise.
10024 * tree.c: Likewise.
10025 * unroll.c: Likewise.
10026 * genattrtab.c (main): Make generated file include "tm_p.h".
10027 * genemit.c (main): Likewise.
10028 * genoutput.c (main): Likewise.
10029 * genrecog.c (main): Likewise.
10031 * i386.h: Delete all prototypes.
10032 * i386.c: Include "tm_p.h".
10033 (ix86_attr_length_default): Call constant_call_address_operand
10034 with correct number of arguments.
10035 * i386-protos.h: New file.
10036 * i386.md (unnamed patterns): Call constant_call_address_operand
10037 with correct number of arguments.
10038 (exception_receiver): Call load_pic_register with correct number
10041 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10043 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10045 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10047 * rtl.h (insns_safe_to_move_p): New function.
10048 * loop.c (find_and_verify_loops): Use it.
10049 * rtlanal.c (insns_safe_to_move_p): Define it.
10051 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10053 * c-pragma.c: Include ggc.h.
10054 * Makefile.in (c-pragma.o): Update.
10056 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10058 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10059 (LIB_SPEC): Likewise.
10060 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10061 Reindent -YP/-p/-pg.
10062 Copied from config/sparc/sol2.h.
10064 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10066 * c-pragma.c (mark_align_stack): New.
10067 (init_pragma): New.
10068 * c-pragma.h (init_pragma): Declare it.
10069 * c-lex.c (init_parse): Call it.
10071 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10073 * configure.in: Pick up thread library on Solaris/x86 just
10074 like on Solaris/sparc.
10075 * configure: Rebuilt.
10077 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10079 * rtl.h (global_rtx_index): New enum.
10080 (global_rtl): Change to array of rtx.
10081 (pc_rtx, cc0_rtx): Redefine accordingly.
10082 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10083 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10084 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10085 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10086 (const_int_rtx): Change to array of rtx.
10087 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10089 * emit-rtl.c (global_rtl): Change to array of rtx.
10090 (const_int_rtx): Change to aray of rtx.
10091 (gen_rtx_CONST_INT): Redefine accordingly.
10092 (init_emit_once): Allocate and initialize global_rtl. Likewise
10093 for const_int_rtx. Add both as GC roots.
10094 * genattrtab.c (global_rtl): Update declaration.
10096 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10098 * Makefile (USER_H): Add iso646.h back.
10100 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10102 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10103 zapping the LOG_LINKS of sched_before_next_call.
10105 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10106 * pa.c (insn_refs_are_delayed): Renamed from
10107 insn_sets_and_refs_are_delayed.
10109 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10111 * functiion.h (struct function): Add x_whole_function_mode_p.
10112 (retrofit_block): Declare.
10113 * function.c (retrofit_block): New function.
10114 (identify_blocks): Add assertions. Allow an incomplete set of
10115 block notes if we're still generating code for the function.
10116 * integrate.c: Include loop.h.
10117 (expand_inline_function): Call find_loop_tree_blocks to map block
10118 notes to blocks when in whole-function mode. Use retrofit_block
10119 to insert new BLOCKs for the inlined function, rather than
10121 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10122 * Makefile.in (integrate.o): Depend on loop.h.
10124 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10126 * tree.h (warn_about_unused_variables): Declare.
10127 * stmt.c (warn_about_unused_variables): New function, split out
10129 (expand_end_bindings): Here.
10131 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10133 * stmt.c (preserve_subexpressions_p): Don't crash when
10134 current_function->stmt is unset.
10136 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10138 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10139 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10140 (expand_start_target_temps): Use it.
10141 * except.c (expand_eh_region_start_for_decl): Likewise.
10142 * expr.c (expand_expr): Likewise.
10144 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10146 * fold-const.c (operand_equal_p): Pay attention to side effects.
10148 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10150 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10151 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10153 * tlink.c (scan_linker_output): Look for keywords before accepting
10154 a mangled name in quotes.
10156 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10158 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10159 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10161 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10163 * alpha.md: Revert Thu Nov 26 change that came in through the
10164 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10165 Avoid earlyclobber when possible.
10167 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10169 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10171 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10172 Define HAVE_ON_EXIT.
10174 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10176 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10177 CTYPE_CONV in all ctype macros.
10179 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10182 * cexp.y (initialize_random_junk): Likewise.
10184 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10186 * i370.c (handle_pragma): Likewise.
10188 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10190 * v850.c (override_options): Likewise.
10192 * doprint.c (_doprnt): Likewise.
10194 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10197 * fixinc/server.c (load_data): Likewise.
10199 * fold-const.c (real_hex_to_f): Likewise.
10201 * genattr.c (write_upcase, gen_attr): Likewise.
10203 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10204 write_upcase): Likewise.
10206 * genemit.c (print_code): Likewise.
10208 * genopinit.c (gen_insn): Likewise.
10210 * genpeep.c (print_code): Likewise.
10212 * genrecog.c (print_code): Likewise.
10214 * optabs.c (init_libfuncs): Likewise.
10216 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10218 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10220 (reemit_notes): Likewise.
10222 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10224 * ggc.h (ggc_root): Move to ggc-common.c.
10226 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10227 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10228 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10229 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10230 * ggc-common.c (ggc_root): Move from ggc.h.
10231 (roots): Declare, static.
10232 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10233 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10234 null or check/set mark bit.
10235 (ggc_mark_roots): New.
10236 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10238 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10240 * m32r.c: Include toplev.h.
10241 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10242 (gen_compare): Rename swap_p to must_swap to match uses.
10243 Add default abort case.
10244 (m32r_output_function_epilogue): Remove unused variables.
10245 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10246 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10247 define to empty parameter list. Update all uses.
10248 (predicate decls): Use enum machine_mode not int.
10249 * m32r.md (movsi): Call abort, not fatal_insn.
10250 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10252 1999-09-14 Andrew Haley <aph@cygnus.com>
10254 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10255 use $0 instead of 0.
10257 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10259 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10260 computation out of loop over hard regs.
10262 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10264 * function.c (identify_blocks): Don't shadow a variable in an
10266 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10267 pushdecl, or poplevel to build up the new BLOCK tree.
10268 (expand_inline_function): Likewise.
10269 (integrate_parm_decls): Likewise.
10271 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10273 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10275 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10277 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10278 * invoke.texi: Document this change.
10280 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10282 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10284 (mark_emit_status): Renamed from mark_emit_state.
10285 * except.c (mark_eh_status): Renamed from mark_eh_state.
10286 Check not null before marking.
10287 (free_eh_status): New.
10288 * expr.c (mark_expr_status, free_expr_status): New.
10289 * function.c (free_machine_status): New.
10290 (free_after_parsing): New.
10291 (free_after_compilation): Move bits to free_after_parsing; call
10292 free_eh_status, free_expr_status; zero the marked members of the
10294 (prepare_function_start): No can_garbage_collect.
10295 Call init_eh_for_function.
10296 (expand_dummy_function_end): Free up current_function state.
10297 (mark_function_status): Renamed from mark_function_state.
10298 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10299 * function.h (struct function): No can_garbage_collect.
10300 (free_machine_status, free_after_parsing): Declare.
10301 (free_eh_status, free_expr_status): Declare.
10302 * ggc.h (mark_expr_status): Declare.
10303 * stmt.c (free_stmt_status): Free the struct.
10304 (mark_stmt_status): Renamed from mark_stmt_state.
10305 (init_stmt): Don't call init_eh.
10306 (init_stmt_for_function): Don't call init_eh_for_function.
10307 * toplev.c (compile_file): Call init_eh.
10308 (rest_of_compilation): Free basic block info before ggc_collect.
10309 Call free_after_parsing; conditionally call free_after_compilation.
10310 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10311 Check not null before marking.
10312 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10314 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10316 * c-lex.c (yylex): Initialize warn.
10318 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10320 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10321 register when performing secondary reloads for the SAR register.
10323 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10325 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10326 (NOTE_BLOCK): New macro.
10327 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10328 * function.h (identify_blocks): Change prototype.
10329 * function.c (identify_blocks): Simplify.
10330 (reorder_blocks): Likewise.
10331 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10332 NOTE_INSN_BLOCK_{BEG,END}.
10333 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10334 the list of saved notes if the note isn't a
10335 NOTE_INSN_BLOCK_{BEG,END}.
10336 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10338 (reemit_notes): Adjust recreation of notes to reflect new saved
10340 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10341 printing a block note.
10342 * stmt.c (block_vector): Remove.
10343 (find_loop_tree_blocks): Simplify.
10344 (unroll_block_trees): Likewise.
10345 * tree.h (reorder_block): Change prototype.
10347 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10349 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10350 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10351 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10352 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10353 (atexit, exit): Simplify.
10354 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10355 * config/lots: Remove defns of HAVE_ATEXIT.
10357 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10359 * calls.c (precompute_arguments): Fix typo in comment.
10360 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10363 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10365 * dsp16xx.c (override_options): Fix typos in GC root registration.
10367 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10369 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10370 from config/svr4.h.
10371 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10372 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10373 (CC1_SPEC): Likewise.
10375 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * genattr.c (main): Add extern prototype. Call return, not exit.
10378 * genattrtab.c (main): Likewise.
10379 * gencheck.c (main): Likewise.
10380 * gencodes.c (main): Likewise.
10381 * genconfig.c (main): Likewise.
10382 * genemit.c (main): Likewise.
10383 * genextract.c (main): Likewise.
10384 * genflags.c (main): Likewise.
10385 * gengenrtl.c (main): Likewise.
10386 * genopinit.c (main): Likewise.
10387 * genoutput.c (main): Likewise.
10388 * genpeep.c (main): Likewise.
10389 * genrecog.c (main): Likewise.
10391 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10392 * genattrtab.c (get_insn_name): Likewise.
10393 * gencodes.c (get_insn_name): Likewise.
10394 * genconfig.c (get_insn_name): Likewise.
10395 * genemit.c (get_insn_name): Likewise.
10396 * genextract.c (get_insn_name): Likewise.
10397 * genflags.c (get_insn_name): Likewise.
10398 * genopinit.c (get_insn_name): Likewise.
10399 * genpeep.c (get_insn_name): Likewise.
10401 * gencheck.c (usage): Add static prototype.
10402 * genextract.c (print_path): Constify a char*.
10403 * genopinit.c (optabs): Likewise.
10404 * genoutput.c (operand_data, data, output_predicate_decls,
10405 compare_operands): Likewise.
10406 * genrecog.c (write_tree): Add default case in switch.
10408 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10410 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
10412 * print-rtl.c (get_insn_name): Remove prototype.
10414 * toplev.h (progname): Declare const.
10416 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
10417 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
10418 dump_sched_info, dump_local_alloc, regset_release_memory,
10419 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
10420 error_with_file_and_line, error_with_decl, error_for_asm, error,
10421 fatal, warning_with_file_and_line, warning_with_decl, warning,
10422 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
10423 Remove redundant prototypes.
10425 (notice, check_lang_option, report_file_and_line, vnotice,
10426 mark_file_stack): Add static prototype.
10427 (set_fatal_function): Add prototype.
10428 (vnotice, report_file_and_line, set_fatal_function,
10429 check_lang_option): Constify a char*.
10430 (main): Prototype. Call return, not exit.
10432 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10434 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
10436 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
10438 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
10440 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
10442 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10444 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
10445 behave as if it's zero in all cases.
10446 (expand_function_start): Adjust call to assign_parms.
10447 * tree.h (assign_parms): Adjust prototype.
10448 * objc/objc-act.c (hack_method_prototype): Adjust call to
10451 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
10453 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
10454 arg_pointer_rtx fixed if the argument pointer register is
10456 (NONZERO_BASE_PLUS_P): Likewise.
10458 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
10460 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
10461 match_insn2 to match_insn.
10462 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
10464 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
10466 * Makefile.in (USER_H): Remove va-foo.h.
10468 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
10469 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
10470 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
10471 va-spur.h,va-v850.h}: Remove.
10473 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
10475 * sparc/sparc.md (eligible_for_return_delay): New attribute.
10476 (in_return_delay): Use it instead of match_insn.
10478 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10480 * config/alpha/va_list.h (va-alpha.h): Do not include.
10481 (__gnuc_va_list): Typedef as in varargs.h.
10483 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
10485 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
10486 DECL_LIVE_RANGE_RTL.
10488 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
10490 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
10491 not NOTE_BLOCK_NUMBER.
10492 (expand_eh_region_end): Likewise.
10493 (find_exception_handler_labels): Likewise.
10494 (scan_region): Likewise.
10495 (exception_optimize): Likewise.
10496 (update_rethrow_references): Likewise.
10497 (set_insn_eh_region): Likewise.
10498 * final.c (final_scan_insn): Likewise.
10499 * flow.c (make_edges): Likewise.
10500 * integrate.c (expand_inline_function): Likewise.
10501 * print-rtl.c (print_rtx): Likewise.
10503 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
10505 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
10506 terms of builtin functions and types.
10508 * mips.c (mips_build_va_list): New.
10509 (mips_va_start, mips_va_arg): New.
10510 * mips.h (BUILD_VA_LIST_TYPE): New.
10511 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10513 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
10514 (sh_build_va_list, sh_va_start, sh_va_arg): New.
10515 * sh.h (BUILD_VA_LIST_TYPE): New.
10516 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10518 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
10520 * recog.h (struct recog_data): Make dup_num, operand_address_p,
10521 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
10522 (struct insn_data): Likewise with n_operands, n_dups,
10523 n_alternatives, output_format.
10524 * regclass.c (scan_one_insn): Cast n_operands to int before
10525 arithmetic inside comparison.
10527 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
10529 * toplev.c (compile_function): Unconditionally emit nop.
10531 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10533 * haifa-sched.c (actual_hazard): Move declaration of variable
10534 `this_cost' into the scope where it is used.
10536 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10538 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
10539 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
10540 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
10542 * genrecog.c (make_insn_sequence): Call memset, not bzero.
10544 * jump.c (find_insert_position): Don't declare or define unless
10545 !HAVE_conditional_arithmetic.
10546 (returnjump_p_1, delete_prior_computation): Add static prototypes.
10548 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
10550 * recog.c (offsettable_address_p): Prototype function pointer.
10551 (preprocess_constraints): Call memset, not bzero.
10553 * tree.c (tree_node_kind_names): Constify a char*. Make static.
10554 (gcc_obstack_init): Don't declare.
10555 (fix_sizetype): Add static prototype.
10556 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
10557 (tree_cons): Call memset, not bzero.
10559 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
10560 definition in macro ASM_WEAKEN_LABEL.
10561 (mark_const_hash_entry): Add static prototype.
10563 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10565 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
10567 * unroll.c (find_common_reg_term, subtract_reg_term,
10568 loop_find_equiv_value): Add static prototypes.
10569 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
10570 (copy_loop_body): Remove unreachable break statement.
10572 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
10574 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
10576 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10578 Undo some changes from the gcc2 merge:
10579 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
10580 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
10584 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
10585 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10586 initialized float-int union if the value is a NaN.
10588 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
10590 * gthr-win32.h: New file.
10592 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
10593 shared as a valid attribute.
10594 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
10595 * extend.texi: Document `shared' variable attribute.
10597 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
10599 * configure.in: Handle --enable-threads on FreeBSD.
10600 * configure: Rebuit.
10602 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10604 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
10606 * configure: Rebuilt.
10608 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
10609 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
10610 Rosimildo DaSilva <rdasilva@connecttel.com>
10612 * configure.in (m68k-*-rtemscoff*): Added.
10613 * configure.in (mips64orion-*-rtems*): Converted to ELF.
10614 * configure.in (sparc-*-rtemsaout*): Added as alias for old
10615 sparc-rtems configuration.
10616 * configure.in (sparc-*-rtemself*): Added.
10617 * configure.in (sparc-*-rtems*): Now ELF not a.out.
10618 * config/i386/rtems.h: Added comment.
10619 * config/sparc/rtemself.h: New file.
10621 * configure.in (m68k-rtemself): Added.
10622 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
10623 and DWARF_DEBUGGING_INFO.
10624 * config/m68k/crti.s: New file.
10625 * config/m68k/crtn.s: New file.
10626 * config/m68k/t-crtstuff: New file.
10627 * config/m68k/rtemself.h: New file.
10629 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
10630 global ctor/dtor and C++ exception handling.
10631 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
10632 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
10634 * config/i386/t-rtems-i386: New File.
10636 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
10638 * stmt.c (expand_end_case): Return right away if the case stack is
10641 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
10643 * Makefile.in (version.c): Remove rule incorrectly brought in from
10646 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
10648 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
10649 * msdos/top.sed: Take into account a prepended $(SHELL) to
10651 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
10653 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
10655 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10657 * regmove.c (fixup_match_1): Don't change an unchanging register.
10658 (stable_but_for_p): Renamed to:
10659 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
10660 Changed all callers.
10662 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
10664 * loop.c (strength_reduce): Don't call reg_used_between_p if the
10665 insn from BL2 is after the insn from BL.
10667 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
10669 * recog.h (INSN_OUTPUT_FORMAT_*): New.
10670 (struct insn_data): Merge `template' and `outfun' into `output'.
10671 Add `output_format'.
10672 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
10673 (struct data): Remove `outfun'; add `output_format'.
10674 (name_for_index): Remove declaration.
10675 (output_insn_data): Handle output formats.
10676 (process_template): Emit the bare array for @.
10677 (gen_expand, gen_split): Set output_format to NONE.
10678 * output.h (get_insn_template): Declare.
10679 * final.c (get_insn_template): New.
10680 (final_scan_insn): Use it.
10681 * toplev.c (compile_file): Likewise.
10683 * c4x/c4x.c (c4x_process_after_reload): Likewise.
10684 * i860/i860.c (output_delayed_branch): Likewise.
10685 (output_delay_insn): Likewise.
10687 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10689 * rtl.c (obstack_alloc_rtx): Removed.
10691 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
10693 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
10695 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10697 * i386.c (call_insn_operand): Reject const_int.
10698 (expander_call_insn_operand): Use call_insn_operand.
10700 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10702 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
10704 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
10706 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
10707 Use DImode operation.
10709 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
10711 * gcc.c: Include sys/resource.h.
10712 (report_times): New flag.
10713 (execute): If report_times is set, calculate and report the
10714 CPU time consumed by each subprocess.
10716 (rus, prus): New globals.
10717 (option_map): Add --time.
10718 (display_help): Document -time.
10719 (process_command): Set report_times if -time is given.
10720 Turn off -pipe if -time is given.
10722 * invoke.texi: Document new option -time.
10724 * configure.in: Check for getrusage. Check if we have to
10725 prototype getrusage.
10726 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
10727 * configure: Regenerate.
10728 * config.in: Regenerate.
10730 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
10732 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
10735 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
10737 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
10738 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
10739 (nan): Return _thenan_sf or _thenan_df as appropriate.
10740 (L_thenan_sf): Define _thenan_sf.
10741 (L_thenan_df): Define _thenan_df.
10743 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
10744 (DPBIT_FUNCS): Add _thenan_df.
10746 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
10748 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
10751 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10753 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
10756 (lang_specific_driver): Don't take a function pointer parameter.
10757 All callers changed.
10759 * gcc.c: Include gcc.h.
10760 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
10761 lang_specific_extra_outfiles, fatal): Don't declare.
10762 (multilib_defaults_raw): Constify.
10763 (read_specs): Call memset, rather than bzero.
10764 (main): Call return, not exit.
10765 (lookup_compiler): Call memcpy, not bcopy.
10766 (fatal): Make extern.
10768 * cppspec.c: Include gcc.h.
10769 (lang_specific_driver): Initialize variable `quote'. Constify a
10770 char*. All calls to the function pointer parameter now
10771 explicitly call `fatal'.
10773 * gccspec.c (lang_specific_driver): Include gcc.h.
10775 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
10777 * arm.c (note_invalid_constants): Use recog_data.operand_type
10780 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10782 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
10785 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
10786 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
10787 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
10788 reload_secondary_in_reload, reload_secondary_out_reload,
10789 reload_secondary_in_icode, reload_secondary_out_icode,
10790 reload_reg_rtx, reload_when_needed): Delete declarations.
10791 (struct reload): New structure.
10792 (rld): Declare new array.
10793 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
10794 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
10795 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
10796 reload_secondary_in_reload, reload_secondary_out_reload,
10797 reload_secondary_in_icode, reload_secondary_out_icode,
10798 reload_reg_rtx, reload_when_needed): Delete definitions.
10800 (whole file): Replace uses of the deleted arrays with uses of rld.
10801 * reload1.c (whole file): Replace uses of the deleted arrays with
10803 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
10804 explicit loops, not with bcopy.
10806 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
10808 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
10809 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
10810 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
10811 insn_name): Delete and consolidate into new structures.
10812 (insn_operand_predicate_fn): New.
10813 (insn_output_fn): New.
10814 (insn_gen_fn): New.
10815 (struct insn_operand_data): New.
10816 (struct insn_data): New.
10818 (OUT_FCN): Update for insn_data change.
10819 * builtins.c (expand_builtin_strlen): Likewise.
10820 (expand_builtin_memcmp): Likewise.
10821 * combine.c (make_extraction, simplify_comparison): Likewise.
10822 * cse.c (canon_reg, cse_insn): Likewise.
10823 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
10824 * expmed.c (store_bit_field, extract_bit_field): Likewise.
10825 (emit_store_flag): Likewise.
10826 * expr.c (convert_move, emit_block_move): Likewise.
10827 (clear_storage, emit_push_insn, expand_increment): Likewise.
10828 (do_store_flag): Likewise.
10829 * expr.h (GEN_FCN): Likewise.
10830 (insn_gen_function): Die.
10831 * final.c (final_scan_insn): Update for insn_data change.
10832 (output_asm_name): Likewise.
10833 * function.c (fixup_var_refs_1): Likewise.
10834 * loop.c (check_dbra_loop): Likewise.
10835 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
10836 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
10837 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
10838 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
10839 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
10840 * regmove.c (gen_add3_insn): Likewise.
10841 * reload.c (push_secondary_reload, combine_reloads): Likewise.
10842 (find_reloads, find_reloads_address_1): Likewise.
10843 (debug_reload_to_stream): Likewise.
10844 * reload1.c (emit_reload_insns, gen_reload): Likewise.
10845 * stmt.c (expand_end_case): Likewise.
10846 * toplev.c (compile_file): Likewise.
10848 * c4x/c4x.c (c4x_process_after_reload): Likewise.
10849 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
10851 * print-rtl.c (insn_name_ptr): Remove declaration.
10852 (get_insn_name): Declare.
10853 (print_rtx): Use it.
10854 * genoutput.c (insn_name_ptr): Remove.
10855 (next_operand_number): New.
10856 (struct operand_data): New.
10857 (null_operand, odata, odata_end): New.
10858 (struct data): Use struct operand_data.
10859 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
10860 (get_insn_name): Renamed from name_for_index.
10861 (output_prologue): Define NO_MD_PROTOTYPES.
10862 (output_predicate_decls): Break out from output_epilogue.
10863 Iterate over the operands list.
10864 (output_operand_data): Break out from output_epilogue. Emit
10865 just the operands list.
10866 (output_insn_data): Break out from output_epilogue. Emit just
10868 (output_epilogue): Remove.
10869 (output_get_insn_name): New.
10870 (constraints, op_n_alternatives, predicates, address_p): Die.
10871 (modes, strict_low, seen): Die.
10872 (scan_operands): Take new param `d' instead of writing to
10873 seven global variables.
10874 (compare_operands): New.
10875 (place_operands): New.
10876 (validate_insn_alternatives): Update for struct data change.
10877 (gen_insn): Don't zero or copy 7 global arrays. Update for
10878 scan_operands; call place_operands.
10879 (gen_peephole, gen_expand, gen_split): Likewise.
10880 (main): Update for new output routines.
10882 * genattr.c (insn_name_ptr): Remove.
10883 (get_insn_name): New function.
10884 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
10885 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
10886 * genrecog.c: Likewise.
10888 * alpha.md (adddi3): Make `pattern' array static.
10890 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10892 * config/c4x/c4x.h (c4x_rpts_cycles_string,
10893 c4x_cpu_version_string): Constify char *.
10894 * config/c4x/c4x.c (c4x_rpts_cycles_string,
10895 c4x_cpu_version_string): Likewise.
10897 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
10899 * tree.c (save_tree_status): Revert 10 Sep change.
10900 (restore_tree_status): Likewise. Call obstack_free with NULL
10901 before freeing the obstack proper.
10903 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
10905 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
10907 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
10908 surrounding context.
10910 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
10912 * tree.c (type_hash_canon): Put all types in the hash-table, when
10915 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
10917 * recog.h (struct recog_data, recog_data): New.
10918 (recog_foo variables): Kill.
10919 * recog.c (recog_operand, recog_operand_loc): Kill.
10920 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
10921 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
10922 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
10923 (recog_data): Define.
10924 (extract_insn): Update all recog_foo references to use recog_data.
10925 (preprocess_constraints, constrain_operands): Likewise.
10926 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
10927 * genattrtab.c (main): Likewise.
10928 * genextract.c (main): Likewise.
10929 * genoutput.c: Likewise.
10930 * genrecog.c (write_subroutine, main): Likewise.
10931 * local-alloc.c (block_alloc): Likewise.
10932 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
10933 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
10934 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
10935 * reload.c (find_reloads, find_reloads_toplev): Likewise.
10936 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
10937 (reload_cse_simplify_operands): Likewise.
10939 * arc/arc.c (arc_final_prescan_insn): Likewise.
10940 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
10941 * h8300/h8300.c (notice_update_cc): Likewise.
10942 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
10943 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
10944 * mn10200/mn10200.c (notice_update_cc): Likewise.
10945 * mn10300/mn10300.c (notice_update_cc): Likewise.
10946 * romp/romp.c (update_cc): Likewise.
10947 * sparc/sparc.c (check_pic): Likewise.
10948 * v850/v850.c (notice_update_cc): Likewise.
10950 * genemit.c (main): Don't declare recog_operand.
10952 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
10954 * ggc.h (rtvec_def): Forward declare.
10955 (tree_node): Likewise.
10956 (ggc_root): Define.
10958 (ggc_set_mark_rtx): Add prototype.
10959 (ggc_set_mark_rtvec): Likewise.
10960 (ggc_set_mark_tree): Likewise.
10961 * ggc-simple.c (ggc_root): Don't define.
10962 (roots): Don't declare.
10963 (ggc_mark_rtx): Remove.
10964 (ggc_mark_rtvec): Likewise.
10965 (ggc_mark_tree): Likewise.
10966 (ggc_mark_varray): Likewise.
10967 (ggc_mark_tree_hash_table_entry): Likewise.
10968 (ggc_mark_tree_hash_table): Likewise.
10969 (ggc_set_mart_rtx): New function.
10970 (ggc_set_mark_rtvec): Likewise.
10971 (ggc_set_mark_tree): Likewise.
10972 (ggc_add_root): Remove.
10973 (ggc_add_rtx_root): Likewise.
10974 (ggc_remove_tree_root): Likewise.
10975 (ggc_add_string_root): Likewise.
10976 (ggc_add_tree_varray_root): Likewise.
10977 (ggc_add_tree_hash_table_root): Likewise.
10978 (ggc_del_root): Likewise.
10979 (ggc_mark_rtx_ptr): Likewise.
10980 (ggc_mark_tree_ptr): Likewise.
10981 (ggc_mark_string_ptr): Likewise.
10982 (ggc_mark_tree_varray_ptr): Likewise.
10983 (ggc_mark_tree_hash_table_ptr): Likewise.
10984 * ggc-common.c: New file.
10985 * Makefile.in (OBJS): Add ggc-common.o.
10986 (ggc-common.o): List dependencies.
10988 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
10990 * cppalloc.c (xstrdup): Use memcpy.
10991 * cpperror.c (cpp_print_containing_files): Don't use
10993 * cpplib.c (conditional_skip): Set temp->lineno.
10994 (do_endif): Make error message less obscure.
10995 (if_directive_name): New function.
10996 (cpp_get_token [case EOF]): Unwind the if stack and generate
10997 error messages for each unterminated conditional in this file.
10998 (parse_string): Do not behave differently if -traditional.
11000 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11002 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11003 va_list decomposing to pointer-type.
11004 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11005 (rs6000_va_arg): Likewise.
11007 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11009 * except.c (start_dynamic_handler): Compute size using
11010 STACK_SAVEAREA_MODE.
11012 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11014 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11015 include directory headers. Don't define strrchr. Don't provide
11016 my_* replacement functions. Prefer PTR over `pointer_type'.
11017 Don't prototype system functions. Don't redefine getopt.
11019 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11020 safe_read, safe_write, save_pointers, restore_pointers,
11021 is_id_char, in_system_include_dir, directory_specified_p,
11022 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11023 find_corresponding_lparen, referenced_file_is_newer,
11024 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11025 process_aux_info_file, identify_lineno, check_source,
11026 seek_to_line, forward_to_next_token_char, output_bytes,
11027 output_string, output_up_to, other_variable_style_function,
11028 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11029 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11030 find_static_definition, connect_defs_and_decs, add_local_decl,
11031 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11032 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11033 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11034 scan_for_missed_items, edit_file, string_list_cons): Add static
11036 (standard_exec_prefix, target_machine, target_version,
11037 default_syscalls_dir, string_list, string_list_cons, find_file,
11038 do_cleaning): Constify a char*.
11039 (safe_read, safe_write): Use PTR, not a char*.
11040 (is_id_char): Take an int, not a char.
11041 (main): Add prototype. Call return, not exit.
11043 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11045 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11046 when comparing types.
11048 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11050 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11051 (strength_reduce): Release the varrays from the no-bivs early exit.
11053 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11054 the loop over the registers.
11056 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11058 (restore_tree_status): Check that instead when freeing the obstack.
11060 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11062 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11065 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11067 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11068 operand size modifiers.
11070 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11072 * c-common.c (c_common_nodes_and_builtins): Don't build
11074 * c-common.h (enum c_tree_index and related accesor macros): Remove
11075 everything now declared in tree.h.
11076 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11077 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11078 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11079 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11080 unsigned_type_node, ptr_type_node, va_list_type_node,
11081 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11082 (init_decl_processing): Call build_common_tree_nodes and
11083 build_common_tree_nodes_2 instead of building their nodes here.
11084 Don't add roots for these nodes.
11085 * stor-layout.c (size_zero_node, size_one_node): Delete.
11086 (set_sizetype): Make a new node for bitsizetype each time.
11087 * tree.c (global_trees): New variable.
11088 (init_obstacks): Add a gc root for it.
11089 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11090 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11091 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11092 (build_common_tree_nodes): New function.
11093 (fix_sizetype): New function.
11094 (build_common_tree_nodes_2): New function.
11095 * tree.h (enum tree_index): New.
11096 (global_trees): Declare.
11097 Add accessor macros for all nodes now moved to global_trees.
11098 Delete their declarations.
11100 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11102 * c-decl.c (finish_function): When processing a nested function,
11103 push and pop GC context around rest_of_compilation.
11105 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11107 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11108 Default ix86_arch to PROCESSOR_I386.
11109 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11110 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11111 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11112 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11113 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11114 (EXTRA_SPECS): Remove deleted specs.
11116 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11118 * function.c (assign_stack_local_1): Allocate from
11119 function->x_frame_offset, not frame_offset.
11121 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11123 * ggc.h (lang_cleanup_tree): Remove.
11124 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11125 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11127 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11128 TYPE_LANG_SPECIFIC when garbage collecting.
11129 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11130 (lang_cleanup_tree): Remove.
11132 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11134 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11135 * crtstuff.c: Not here.
11136 * dwarf2out.c: Or here.
11137 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11140 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11142 * function.h (free_after_compilation): Remove decl parameter.
11143 (free_varasm_status0: Likewise.
11144 (free_emit_status): Likewise.
11145 (free_stmt_status): Likewise.
11146 (free_after_compilation): Likewise.
11147 (init_lang_status): New variable.
11148 (free_lang_status): Likewise.
11149 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11150 * function.c (init_lang_status): New variable.
11151 (free_lang_status): Likewise.
11152 (push_function_context_to): Don't set function::decl here.
11153 (free_after_copmilation): Make decl parameter implicit. Call
11154 free_lang_status if defined.
11155 (prepare_function_start): Call init_lang_status if defined.
11156 (init_function_start): Set function::decl here.
11157 * profile.c (output_func_start_profiler): Don't call pushdecl
11158 until we've actually started the function.
11159 * stmt.c (free_stmt_status): Make decl parameter implicit.
11160 * toplev.c (rest_of_compilation): Don't pass decl to
11161 free_after_compilation.
11162 * varasm.c (free_varasm_status): Likewise.
11164 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11166 * except.c (call_get_eh_context): Add root when allocating static
11169 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11171 * arm.c: Include "ggc.h".
11172 (arm_add_gc_roots): New function.
11173 (arm_override_options): Call it.
11174 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11176 * arm.md (define_asm_attributes): Add a pool_range attribute.
11178 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11180 * extend.texi (Volatiles): New node.
11182 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11184 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11185 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11186 (struct ggc_any): Replace `mark' with `magic_mark'.
11187 (ggc_alloc_string): Use memcpy, not bcopy.
11188 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11189 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11190 (ggc_free_any): New.
11191 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11192 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11193 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11194 Use IS_MARKED. Use ggc_free_any.
11196 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11198 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11200 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11202 * toplev.c (main): Always init_ggc.
11204 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11206 * except.c (find_all_handler_type_matches): Free the list if
11207 we found no matches.
11209 * combine.c (SUBST): Break out to a real function do_SUBST.
11210 (SUBST_INT): Likewise.
11211 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11212 (pre_insert): Free `inserted'.
11213 * loop.c (basic_induction_var): Always set `location'.
11215 * function.c (expand_function_end): Add initial_trampoline as a root.
11216 * rtl.h (init_varasm_once): Declare.
11217 * toplev.c (compile_file): Call it.
11218 * ggc-simple.c (ggc_mark_string_ptr): New.
11219 (ggc_add_string_root): New.
11220 (ggc_collect): Disable collection avoidance temporarily.
11221 * ggc.h (ggc_add_string_root): Declare.
11222 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11223 * optabs.c (init_libfuncs): Likewise.
11224 * varasm.c (named_section): Use ggc_alloc_string.
11225 (make_function_rtl): Likewise.
11226 (make_decl_rtl): Likewise.
11227 (assemble_static_space): Likewise.
11228 (assemble_trampoline_template): Likewise.
11229 (output_constant_def): Likewise.
11230 (force_const_mem): Likewise.
11231 (mark_const_hash_entry): New.
11232 (mark_pool_sym_hash_table): New.
11233 (mark_varasm_state): Use it.
11234 (init_varasm_once): New.
11236 * expr.h (init_one_libfunc): Declare.
11237 * optabs.c (init_one_libfunc): New.
11238 (init_optabs): Use it.
11239 * config/gofast.h: Likewise.
11240 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11241 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11243 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11245 * Makefile.in (cppexp.o): Depend on cpphash.h.
11246 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11248 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11249 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11250 redefining poisoned identifiers, etc.
11251 (do_undef): Don't allow poisoned identifiers to be undefined.
11252 (do_pragma): Add #pragma poison.
11253 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11255 * cccp.c: Add T_POISON node type.
11256 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11258 (do_define): Generalise to handle poisoned definitions,
11259 redefining poisoned identifiers, etc.
11260 (do_undef): Don't allow poisoned identifiers to be undefined.
11261 (do_pragma): Add #pragma poison.
11262 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11264 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11265 * c-pragma.h: Add ps_poison state. We now always have generic
11268 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11270 * ggc.h (ggc_alloc): New function.
11271 (ggc_mark): Likewise.
11272 * ggc-simple.c (ggc_any): New structure.
11273 (ggc_status): Add anys.
11274 (n_anys_collected): New variable.
11275 (ggc_alloc): Define.
11276 (ggc_mark): Likewise.
11277 (ggc_collect): Collect the anys.
11279 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11281 * c-decl.c (mark_binding_level): Make static to match prototype.
11283 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11285 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11287 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11289 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11290 will use into account. Expand the max width to 5.
11293 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11295 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11296 for the rtx length.
11298 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11300 * alpha.md (call value patterns): Remove the result predicates.
11302 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11304 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11307 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11309 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11310 changed from extern char *, to extern PTR. Also fix typo in
11311 NEED_DECLARATION_REALLOC test.
11313 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11315 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11317 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11318 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11319 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11320 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11322 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11324 * cccp.c (pcfinclude): Likewise.
11326 * global.c (allocno_compare): Likewise.
11328 * haifa-sched.c (rank_for_schedule): Likewise.
11330 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11332 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11334 * stupid.c (stupid_reg_compare): Likewise.
11336 * tree.c (_obstack_allocated_p): Likewise.
11338 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11340 1999-09-08 Bruce Korb autogen@linuxbox.com
11342 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11343 why "gperf -F" fails.
11344 * gcc/cp/Makefile.in: ditto
11345 * gcc/Makefile.in: ditto
11346 * gcc/java/Makefile.in: ditto
11348 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11350 * lists.c: Include ggc.h.
11352 (init_EXPR_INSN_LIST_cache): Install it.
11354 * ggc-simple.c (init_ggc): Absorb the old init.
11355 (ggc_push_context): Use xcalloc.
11356 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11357 (ggc_collect): Add [rvts] tags to the collection stats.
11359 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11361 * cccp.c (main): Fix handling of -include and -imacros options.
11363 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11365 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11367 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11369 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11372 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11374 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11375 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11376 and SET_DEST. Update comment.
11378 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11380 * config/c4x/c4x.c: Include ggc.h.
11381 (c4x_add_gc_roots): New function.
11382 (c4x_override_options): Call c4x_add_gc_roots.
11384 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11386 * defaults.h (TARGET_ESC): Move ...
11387 * system.h: ... here, where Linas had it in the first place. Silly me.
11389 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11391 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11392 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11393 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11394 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11395 * defaults.h (TARGET_ESC): Add default.
11397 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
11399 * configure.in: add i370-*-openedition, i370-*-mvs and
11400 i370-*-linux targets
11402 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
11404 * dsp16xxx.c: Include ggc.h
11405 (override_options): Mark GC roots.
11406 * mn10200.c: Include ggc.h.
11407 (asm_file_start): Mark GC roots.
11408 * tahoe.c: Include ggc.h.
11409 (extensible_operand): Mark GC roots.
11411 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
11413 * README: Add section discussing status of ELF ABI.
11414 * i370.c: Fix misc spelling mistakes.
11415 (i370_label_scan): Updated notes, exception handling.
11416 (i370_function_prolog): Simplify ELF stack handling.
11417 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
11418 (STACK_GROWS_DOWNWARD): ELF stack grows down.
11419 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
11420 * i370.md: (movdi): Add notes.
11421 (floatsidf2): Use stack not rtca for scratch float area.
11422 (iorsi3): Correct operand constraints.
11423 * x-oe: Restore TAROUTOPTS which are used by pax.
11425 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
11427 * rs6000.c: Include ggc.h.
11428 (rs6000_add_gc_roots): New function.
11429 (override_options): Call it.
11431 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
11433 * alpha.h (alpha_compare): New.
11434 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
11435 * alpha.c: Likewise for the definitions.
11436 (alpha_emit_conditional_branch): Update for alpha_compare.
11437 (alpha_emit_conditional_move): Likewise.
11438 * alpha.md (cmpdf, cmpdi): Likewise.
11439 (setcc patterns): Likewise. Zero alpha_compare after use.
11440 (sne): Optimize (x != 0) into (0U < x).
11442 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
11444 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
11445 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
11446 (INIT_EXPANDERS): Remove.
11447 * alpha.c: Include ggc.h.
11448 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
11449 (alpha_init_machine_status, alpha_mark_machine_status): New.
11450 (override_options): Install them.
11451 (struct machine_function): Moved to alpha.h.
11452 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
11453 (alpha_init_expanders): Remove.
11454 (alpha_return_addr): Adjust to use current_function->machine.
11455 (alpha_ra_ever_killed): Likewise.
11456 (alpha_expand_epilogue): Likewise.
11457 * alpha.md (eh_epilogue): Likewise.
11459 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
11460 Melissa O'Neill <oneill@cs.sfu.ca>
11461 Geoffrey Keating <geoffk@cygnus.com>
11463 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
11464 call-used registers (call-saved registers must still be contiguous
11465 and end with r31, of course).
11467 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
11469 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
11470 (self_promoting_type_p): Delete.
11471 (self_promoting_args_p): Move ...
11472 * c-common.c: ... here.
11473 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
11474 (simple_type_promotes_to): New.
11475 * builtins.c (lang_type_promotes_to): New.
11476 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
11477 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
11478 * c-common.h: ... here.
11479 (self_promoting_args_p, simple_type_promotes_to): Declare.
11480 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
11481 (grokdeclarator): Likewise.
11482 * tree.h (lang_type_promotes_to): Declare.
11484 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
11486 Add some machine-dependent GC roots.
11487 * sparc.c: Include ggc.h.
11488 (sparc_add_gc_roots): New function.
11489 (mark_ultrasparc_pipeline_state): Likewise.
11490 (override_options): Call sparc_add_gc_roots.
11491 * pa.c: Include ggc.h.
11492 (pa_add_gc_roots): New function.
11493 (mark_deferred_plabels): Likewise.
11494 (override_options): Call pa_add_gc_roots.
11495 * mips.c: Include ggc.h.
11496 (mips_add_gc_roots): New function.
11497 (override_options): Use it.
11499 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11501 * cpperror.c (cpp_file_line_for_message): Constify a char*.
11503 * cppexp.c (parse_number, parse_charconst, cpp_lex,
11504 cpp_parse_expr): Add static prototypes.
11505 (parse_charconst): Don't cast away const-ness.
11506 (token): Constify a char*.
11508 * cppfiles.c (file_name_list, include_hash, find_include_file,
11509 finclude, initialize_input_buffer): Constify a char*.
11510 (file_cleanup, find_position): Add static prototypes.
11512 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
11513 collect_expansion): Add static prototypes.
11514 (cpp_install, create_definition, monthnames): Constify a char*.
11516 * cpphash.h (cpp_install): Likewise.
11518 * cppinit.c (known_suffixes, default_include,
11519 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
11520 (base_name, dump_special_to_buffer, initialize_dependency_output):
11521 Add static prototypes.
11523 * cpplib.c (my_strerror): Constify a char*.
11524 (null_underflow, null_cleanup, skip_comment, copy_comment,
11525 copy_rest_of_line, handle_directive, pass_thru_directive,
11526 get_directive_token, read_line_number, cpp_print_file_and_line,
11527 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
11528 v_cpp_warning_with_line, detect_if_not_defined,
11529 consider_directive_while_skipping): Add static prototypes.
11530 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
11531 cpp_pedwarn_with_file_and_line): Constify a char*.
11533 * cpplib.h (cpp_options, include_hash, progname, definition,
11534 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
11535 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
11536 find_include_file, deps_output, include_hash): Constify a char*.
11538 * cppmain.c (progname): Constify.
11539 (main): Add prototype. Use return, not exit.
11541 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
11542 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
11543 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
11544 check_protection): Add static prototype.
11546 (progname, recognized_macrom, recognized_extern): Constify a char*.
11547 (main): Add prototype.
11549 * gen-protos.c (progname): Constify a char*.
11551 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
11553 * emit-rtl.c (free_emit_status): Take decl as a parameter.
11554 (init_emit_once): Add more GC roots.
11555 * except.c (mark_func_eh_entry): New function.
11556 (mark_eh_node): Mark false_label and rethrow_label.
11557 (init_eh): Add more GC roots.
11558 * function.c (free_after_compilation): Take decl as a paramter.
11559 Call free_stmt_status.
11560 (mark_function_state): Don't assume x_parm_reg_stack_loc is
11562 * function.h (free_after_compilation): Change prototype.
11563 (free_varasm_status): Likewise.
11564 (free_emit_status): Likewise.
11565 (free_stmt_status): New function.
11566 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
11567 Remove, replacing with ...
11568 (ggc_status): New structure.
11569 (ggc_chain): New variable.
11570 (init_gcc): Define.
11571 (ggc_push_context): New function.
11572 (ggc_pop_context): Likewise.
11573 (ggc_alloc_rtx): Adjust for use of ggc_chain.
11574 (ggc_alloc_rtvec): Likewise.
11575 (ggc_alloc_tree): Likewise.
11576 (ggc_alloc_string): Likewise.
11577 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
11578 (ggc_mark_tree): Give language-dependent code a chance to mark
11580 (ggc_mark_tree_varray): Handle empty arrays.
11581 (ggc_collect): Adjust for use of ggc_chain. Clear
11582 bytes_alloced_since_last_gc.
11583 * ggc.h (ggc_pop_context): New function.
11584 (ggc_push_context): Likewise.
11585 * print-tree.c (print_node): Don't print obstacks when GC'ing.
11586 * stmt.c (free_stmt_status): New function.
11587 (init_stmt_for_function): Clear last_expr_value.
11588 * toplev.c (rest_of_compilation): Always call free_after_compilation.
11589 Conditionalize call to ggc_collect.
11590 (main): Call init_ggc.
11591 * tree.c (push_obstacks): Do the push, even when GC'ing.
11592 (push_obstacks_nochange): Likewise.
11593 (pop_obstacks): Liekwise.
11594 * varasm.c (free_varasm_status): Take decl as a parameter.
11596 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
11598 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
11599 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
11600 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
11601 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
11603 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
11605 * pa/x-pa-mpeix: New file for the MPE port.
11607 * pa/quadlib.asm: New file for long double support.
11609 * configure.in: Add hppa1.0-*-mpeix for MPE port.
11610 * configure: Rebuilt.
11612 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
11614 * final.c (shorten_branches): Fix last change.
11616 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
11618 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
11620 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
11622 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
11625 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11627 * c-aux-info.c (concat): Don't define.
11629 * cccp.c (my_strerror): Likewise. All callers changed to use
11631 (do_include): Call xstrdup, not xmalloc/strcpy.
11632 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
11633 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
11635 * collect2.c (my_strsignal): Likewise. All callers changed to use
11637 (locatelib): Call xstrdup, not xmalloc/strcpy.
11639 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
11641 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
11643 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
11645 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
11647 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
11649 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
11651 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
11653 (find_all_handler_type_matches): Likewise. Don't check return
11655 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
11656 xmalloc, not malloc.
11657 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
11659 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
11660 (init_spec): Call xcalloc, not xmalloc/bzero.
11661 (set_spec): Call xstrdup, not save_string.
11662 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
11663 (find_a_file): Call xstrdup, not xmalloc/strcpy.
11664 (process_command): Call xstrdup, not save_string.
11665 (main): Call xcalloc, not xmalloc/bzero.
11667 * gcov.c (xmalloc): Don't define.
11668 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
11669 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
11670 (output_data): Call xcalloc, not xmalloc/bzero.
11672 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
11674 * mips-tdump.c (xmalloc): Don't define.
11675 (print_symbol): Call xmalloc, not malloc.
11676 (read_tfile): Call xcalloc, not calloc.
11678 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
11679 Don't define. All callers of xfree/my_strsignal changed to use
11680 free/strsignal instead.
11681 (allocate_cluster): Call xcalloc, not calloc.
11683 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
11684 Fix memory leak, free allocated memory.
11686 * prefix.c (translate_name): Call xstrdup, not save_string.
11687 (update_path): Likewise.
11689 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
11691 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
11692 Don't define. Callers of xfree/savestring2 changed to use
11693 free/concat instead.
11695 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
11696 (init_elim_table): Likewise.
11698 * resource.c (init_resource_info): Likewise.
11700 * stupid.c (stupid_life_analysis): Likewise.
11702 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
11703 (open_dump_file): Call concat, not xmalloc/strcpy/...
11704 (clean_dump_file): Likewise.
11705 (compile_file): Call xstrdup, not xmalloc/strcpy.
11707 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
11709 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
11710 * v850.c (v850_va_arg): New.
11712 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11714 * haifa-sched.c: Tidy comments.
11716 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11718 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
11719 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
11720 $(out_object_file)): Depend on ggc.h.
11721 * c-common.c: Include "ggc.h".
11722 (combine_strings): If doing GC, use ggc_alloc_string.
11723 * c-decl.c: Include "ggc.h".
11724 (ggc_p): Define with value 0.
11725 (mark_binding_level): New function.
11726 (init_decl_processing): Add GC roots.
11727 (mark_c_function_context): New function.
11728 (lang_mark_false_label_stack): New function.
11729 (lang_mark_tree): New function.
11730 (lang_cleanup_tree): New function.
11731 * c-lang.c: Include "ggc.h".
11732 (lang_init): Call c_parse_init.
11733 * c-lex.c: Include "ggc.h".
11734 (check_linenum): If doing GC, don't copy filenames to permanent
11736 * c-parse.in: Include "ggc.h".
11737 (c_parse_init): New function.
11738 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
11739 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
11741 * except.c (mark_eh_state): Mark more state.
11742 * function.c (mark_function_state): Likewise.
11743 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
11744 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
11745 * toplev.c (mark_file_stack): New function.
11746 (compile_file): If doing GC, use ggc_alloc_string on input filename.
11747 (main): Add root for input_file_stack.
11749 * i386.c: Include "ggc.h".
11750 (ix86_mark_machine_status): New function.
11751 (override_options): Set mark_machine_status.
11753 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11755 * tree.c (copy_node): Copy node contents also if doing GC.
11757 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11759 * collect2.c (scan_libraries): Fix double-thinko :-).
11761 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
11763 * collect2.c (scan_libraries): Fix thinko.
11765 * cse.c (delete_trivially_dead_insns): Do not skip the last
11766 insn if it is a real insn.
11768 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
11770 * Makefile.in (ggc-simple.o): Depend on hash.h.
11771 * ggc.h (ggc_add_tree_hash_table_root): Declare.
11772 (ggc_mark_tree_varray): Likewise.
11773 (ggc_mark_tree_hash_table): Likewise.
11774 * ggc-simple.c: Include hash.h.
11775 (ggc_mark_tree_hash_table_ptr): New function.
11776 (ggc_mark_tree_hash_table_entry): Likewise.
11777 (ggc_mark_tree_hash_table): Likewise.
11778 (ggc_add_tree_hash_table_root): Likewise.
11779 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
11780 rtx, when defining fields.
11782 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11784 * profile.c (output_func_start_profiler): Remove apparently
11785 nonsensical call to start_sequence.
11787 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
11789 * clipper/clipper.c (clipper_va_start): Fix typos.
11791 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
11792 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
11793 (spur_va_arg): New stub.
11795 * configure.in: Comment out pyramid.
11797 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
11799 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
11800 don't conflict with the bits that win32, cygwin, and dgux
11803 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
11804 Bernd Schmidt <bernds@cygnus.co.uk>
11806 * integrate.c (function_cannot_inline_p): Do not inline
11807 functions with forced labels.
11809 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
11810 Bernd Schmidt <bernds@cygnus.co.uk>
11811 Mark Mitchell <mark@codesourcery.com>
11813 * Makefile.in (ggc-simple.o): Depend on varray.h.
11814 (rtl.o): Depend on ggc.h.
11815 (genattrtab.o): Depend on ggc.h.
11816 (print-tree.o): Likewise.
11817 (fold-const.o): Likewise.
11818 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
11819 (make_insn_raw): Don't cache insns when GC'ing.
11820 (emit_insn_before): Likewise.
11821 (emit_insn_after): Likewise.
11822 (emit_insn): Likewise.
11823 (start_sequence): Use xmalloc to allocate the sequence_stack.
11824 (end_sequence): Add free to free it.
11825 (gen_sequence): Don't cache insns when GC'ing.
11826 (clear_emit_caches): Don't use sequence_element_free_list.
11827 (init_emit): Use xcalloc, not xmalloc+bzero.
11828 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
11829 * function.c (pop_function_context_from): Use free to free the
11830 fixup_var_refs_queue.
11831 (put_reg_into_stack): Allocate it with xmalloc.
11832 * genattrtab.c: Include ggc.h.
11833 (operate_exp): Don't use obstack_free when GC'ing.
11834 (simplify_cond): Likewise.
11835 (simplify_text_exp): Likewise.
11836 (optimize_attrs): Likewise.
11837 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
11839 (gencode): Generate a #include for ggc.h.
11840 * ggc-callbacks.c (ggc_p): Define it to zero.
11841 * ggc-none.c (ggc_p): Likewise.
11842 * ggc-simple.c: Include varray.h.
11843 (ggc_mark_tree_varray): New function.
11844 (ggc_add_tree_varray_root): Likewise.
11845 (ggc_mark_tree_varray_ptr): Likewise.
11846 * ggc.h (ggc_p): Declare.
11847 (varray_head_tag): Likewise.
11848 (ggc_add_tree_varray_root): Declare.
11849 * print-tree.c (print_node): Don't check for TREE_PERMANENT
11850 inconsistencies when GC'ing.
11851 * rtl.c: Include ggc.h.
11852 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
11853 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
11854 (rtx_free): Don't call obstack_free when GC'ing.
11855 * toplev.c (rest_of_compilation): Call ggc_collect after every
11857 * tree.c (push_obstacks): Do nothing, if GC'ing.
11858 (pop_obstacks_nochange): Likewise.
11859 (pop_obstacks): Likewise.
11860 (make_node): Use ggc_alloc_tree when GC'ing.
11861 (copy_node): Likewise.
11862 (get_identifier): Use ggc_alloc_string when GC'ing.
11863 (build_string): Likewise.
11864 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
11865 (tree_cons): Likewise.
11866 (build1): Likewise.
11867 (type_hash_canon): Don't call obstack_free when GC'ing.
11869 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
11871 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
11872 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
11874 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
11875 Bernd Schmidt <bernds@cygnus.co.uk>
11876 Mark Mitchell <mark@codesourcery.com>
11878 * Makefile.in (stor-layout.o): Depend on ggc.h.
11879 (expr.o): Depend on ggc.h.
11880 (profile.o): Depend on ggc.h.
11881 (stor-layout.o): Depend on ggc.h.
11882 * emit-rtl.c (init_emit_once): Add gc roots.
11883 * expr.c: Include ggc.h.
11884 (emit_block_move): Add gc roots.
11885 (clear_storage): Likewise.
11886 * expr.h (init_stor_layout_once): New function.
11887 * profile.c: Include ggc.h.
11888 (init_arc_profiler): profiler_label is a root.
11889 * scan.c (make_sstring_space): Trust xrealloc to function
11890 correctly with first parameter NULL.
11891 * stor-layout.c: Include ggc.h.
11892 (set_sizetype): Add gc root.
11893 (init_stor_layout_once): New function.
11894 * toplev.c (compile_file): Call it.
11896 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
11897 Bernd Schmidt <bernds@cygnus.co.uk>
11898 Mark Mitchell <mark@codesourcery.com>
11900 * Makefile.in (tree.o): Depend on ggc.h.
11901 (varasm.o): Likewise.
11902 (function.o): Likewise.
11903 (stmt.o): Likewise.
11904 (except.o): Likewise.
11905 (optabs.o): Likewise.
11906 (emit-rtl.o): Likewise.
11907 * emit-rtl.c: Include ggc.h.
11908 (sequence_element_free_list): Remove, and all references.
11909 (mark_sequence): New functions.
11910 (mark_emit_state): New function.
11911 * except.c: Include ggc.h.
11912 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
11913 (mark_tree_label_node): New functions.
11914 (mark_eh_state): New function.
11915 * function.c: Include ggc.h.
11916 (mark_temp_slot, mark_function_chain): New functions.
11917 (mark_function_state): New function.
11918 (init_function_once): New function.
11919 * function.h (init_function_once): New function.
11920 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
11921 * ggc.h (label_node): Declare.
11922 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
11923 (lang_mark_false_label_stack): New function.
11924 (mark_temp_slot): Remove declaration.
11925 (mark_function_chain): Likewise.
11926 (mark_eh_state): Adjust prototype.
11927 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
11929 * optabs.c: Include ggc.h.
11930 (mark_optab): New function.
11931 (init_optabs): Add gc roots.
11932 * stmt.c: Include ggc.h.
11933 (mark_cond_nesting, mark_loop_nesting): New functions.
11934 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
11935 (mark_stmt_state): New function.
11936 * toplev.c (compile_file): Call init_function_once.
11937 * tree.c: Include ggc.h.
11938 (type_hash): Move declaration earlier in file.
11939 (TYPE_HASH_SIZE, type_hash_table): Likewise.
11940 (init_obstacks): Add gc roots.
11941 (mark_type_hash): New function.
11942 * varasm.c: Include ggc.h.
11943 (mark_pool_constant): New function.
11944 (mark_varasm_state): New function.
11946 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11948 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
11950 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11952 * c-decl.c (struct language_function): Renamed from struct c_function.
11954 (c_function_chain): Delete.
11955 (push_c_function_context): New arg F. Don't warn about nested
11956 functions here. Fill LANGUAGE elt of F. Delete code to update
11957 c_function_chain. Don't call push_function_context.
11958 (pop_c_function_context): New arg F. Restore from there instead of
11959 from c_function_chain. Don't call pop_function_context. Clear out
11960 LANGUAGE field of F when done.
11961 * c-lang.c: Include "function.h"
11962 (lang_init): Initialize save_lang_status and restore_lang_status.
11963 * c-parse.in (nested_function, nested_function_notype): Warn about
11964 nested functions. Call push_function_context/pop_function_context
11965 instead of the _c_ variants.
11966 * c-tree.h (push_c_function_context, pop_c_function_context): Update
11968 * Makefile.in (c-lang.o): Update dependencies.
11970 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
11971 regno_pointer_flag, regno_pointer_align.
11972 (gen_reg_rtx): Use xrealloc to enlarge them.
11973 (free_emit_status): New function.
11974 * function.c (mark_machine_status, mark_lang_status): New variables.
11975 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
11976 in some bits from assign_stack_local. All callers changed to use new
11978 (assign_stack_local): Just call assign_stack_local_1.
11979 (free_after_compilation): New function.
11980 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
11981 (trampoline_address): Likewise.
11982 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
11983 (prepare_function_start): Explicitly clear some more variables.
11984 * function.h (struct function): New elt can_garbage_collect.
11985 (mark_machine_status, mark_lang_status): Declare variables.
11986 (free_after_compilation, free_emit_status, free_varasm_status,
11987 init_varasm_status): Declare functions.
11988 * toplev.c (rest_of_compilation): Call free_after_compilation when
11989 done with the current function.
11990 * varasm.c (free_varasm_status): New function.
11992 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
11994 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
11995 (EXPAND_BUILTIN_VA_ARG): Define.
11996 * sparc.c (sparc_va_start): New.
11997 (sparc_va_arg): New.
11999 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12001 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12003 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12005 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12007 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12009 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12010 (OBJS): Add $(GGC).
12011 (ggc-callbacks.o): New target.
12012 * ggc-callbacks.c: New file.
12014 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12016 * expr.h: Collapse individual optab and libfunc vars to arrays.
12017 (optab_index, libfunc_index): New enumerations.
12018 (optab_table, libfunc_table): New arrays.
12019 Add accessor macros for both.
12021 * optabs.c (optab_table, libfunc_table): New.
12022 Delete declarations for individual optab and libfunc vars.
12024 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12026 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12028 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12030 * Makefile.in (GGC, GGC_LIB): New.
12031 (HOST_RTL): Include ggc-none.o.
12032 (ggc-simple.o): New target.
12033 (ggc-none.o): Likewise.
12034 * tree.h (tree_common): Add gc_mark.
12035 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12036 (struct rtvec_def): Add gc_mark.
12037 * emit-rtl.c (global_rtl): Update static initializers to contain
12038 enough initializers.
12039 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12040 * toplev.c (gc_time): New variable.
12041 (all_time): New variable.
12042 (compile_file): Print gc time.
12043 (print_time): Calculate percentage of the whole.
12045 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12047 Change obstack memory management and varasm constant pool handling so
12048 that nested functions are treated like any other functions.
12049 * function.c (init_machine_status): New variable.
12050 (push_function_context_to): Set contains_functions for the outer
12051 function. Don't call save_varasm_status.
12052 (pop_function_context_from): Don't call restore_varasm_status. Don't
12053 set current_function_contains_functions.
12054 (prepare_function_start): Call init_varasm_status rather than
12055 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12057 * function.h (struct function) Add field varasm. Delete fields
12058 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12059 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12060 (init_machine_status): Declare.
12061 (save_varasm_status, restore_varasm_status): Delete declarations.
12062 (save_tree_status, restore_tree_status): Delete last argument.
12063 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12064 code. All callers changed.
12065 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12066 save_constants_in_decl_trees, restore_constants, save_constants,
12067 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12069 (inlining): New variable.
12070 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12071 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12073 (save_for_inline_nocopy): Don't save constants.
12074 Don't set inl_emit field in current_function.
12075 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12076 function. Set new variable inlining before
12077 calling copy_rtx_and_substitute.
12078 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12079 constant pool references if inlining is nonzero.
12080 Delete ADDRESS and (most of the) CONST cases.
12081 (output_inline_function): Save and restore current_function/
12082 current_function_decl. Delete restore_constants code. Don't call
12083 init_const_rtx_hash_table.
12084 * output.h (init_const_rtx_hash_table): Don't declare.
12085 * rtl.h (struct function): Declare.
12086 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12087 * toplev.c (rest_of_compilation): Don't treat nested functions or
12088 functions containing them specially. Delete all code to deal with
12089 save_for_inline_copying.
12090 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12091 inline_obstacks): Delete variables.
12092 (save_tree_status): Lose arg CONTEXT. All callers changed.
12093 Simply allocate a new function_maybepermanent_obstack for the new
12094 function, delete all the special cases.
12095 Don't save inline_obstacks.
12096 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12097 Delete special handling for function_maybepermanent_obstack; simply
12099 Don't restore inline_obstacks.
12100 (permanent_allocation): Delete code that frees inline_obstacks.
12101 (print_inline_obstack_statistics): Delete function.
12102 (dump_tree_statistics): Don't call it.
12103 * varasm.c (struct varasm_status): New.
12104 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12105 last_pool, pool_offset, const_double_chain): Delete global
12106 variables, replace with accessor macros.
12107 (immed_double_const): Don't walk const_double_chain outside a
12108 function, but don't treat nested functions specially anymore.
12109 (immed_real_const_1): Likewise.
12110 (clear_const_double_mem): Don't treat nested functions specially.
12111 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12112 (save_varasm_status, restore_varasm_status): Delete functions.
12113 (init_varasm_status): New function.
12114 (force_const_mem): Don't treat nested functions specially.
12115 (find_pool_constant): Accept new arg F, search for constants in
12116 that function's pool rather than the current one. All callers
12118 (get_pool_constant_for_function, get_pool_mode_for_function): New
12121 * i386.c (init_386_machine_status): New function, mostly from
12122 clear_386_stack_locals.
12123 (struct machine_functions): Rename element names to avoid name
12125 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12126 macros, replacing global variables.
12127 (clear_386_stack_locals, save_386_machine_status,
12128 restore_386_machine_status): Delete functions.
12129 (override_options): Initialize init_machine_status.
12130 * i386.h (INIT_EXPANDERS): Delete macro.
12131 (save_386_machine_status, restore_386_machine_status,
12132 clear_386_stack_locals): Delete declarations.
12134 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12136 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12137 (doloop_begin): Simplify pattern and use emit_jump_insn.
12138 (doloop_end): Simplify pattern, switch operand order,
12139 and use emit_jump_insn.
12141 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12143 * function.h (struct function): Add new element LANGUAGE.
12144 (save_lang_status): Declare new variable.
12145 (restore_lang_status): Likewise.
12146 * function.c (save_lang_status): Define.
12147 (restore_lang_status): Likewise.
12148 (push_function_context_to): Call language-specific save function.
12149 (pop_function_context_from): Call language-specific restore function.
12151 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12153 * i386.md (movsf_1): Check REG_P before use of REGNO.
12154 (movdf_1): Likewise.
12155 (movxf_1): Likewise.
12156 (extendsfdf2): Likewise.
12157 (extendsfxf2): Likewise.
12158 (extenddfxf2): Likewise.
12160 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12162 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12163 constants into memory.
12164 (c4x_shiftable_constant): New function.
12165 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12166 (c4x_shiftable_constant): Declare.
12167 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12168 ashlqi3_noclobber): Add new patterns and associated splitters.
12170 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12172 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12173 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12174 * final.c (shorten_branches): Likewise.
12175 * global.c (global_alloc): Likewise.
12176 * haifa-sched.c (build_control_flow): Likewise.
12177 * stmt.c (check_for_full_enumeration_handling): Likewise.
12178 (estimate_case_costs): Likewise.
12180 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12182 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12184 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12186 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12187 (recompute_reg_usage): Likewise.
12188 * rtlanal.c (find_regno_fusage): Likewise.
12190 * rtl.c (rtl_check_failed_code1): New function.
12191 (rtl_check_failed_code2): New.
12192 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12193 (RTL_CHECKC1, RTL_CHECKC2): New.
12194 (XC*): New accessor macros.
12195 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12196 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12197 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12198 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12199 (TRAP_*, RANGE_INFO_*): Likewise.
12201 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12203 * Makefile.in (tlink.o): Don't depend on toplev.h.
12205 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12206 output_file, nm_file_name, ldd_file_name, strip_file_name,
12207 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12208 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12209 fork_execute, maybe_unlink, add_to_list,
12210 extract_init_priority, write_list, dump_list,
12211 dump_prefix_list, write_list_with_asm, write_c_file,
12212 write_c_file_stat, write_c_file_glob, scan_prog_file,
12213 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12214 ignore_library, extract_string, notice, dump_file, target_machine,
12215 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12216 read_file, print_load_command): Constify a char*.
12217 (fdopen, error, fatal, fatal_perror): Don't prototype.
12218 (my_strerror): Remove. All callers use xstrerror instead.
12219 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12220 (main): Add prototype. Constify lots of char* ptrs. Change calls
12221 to xcalloc/strcpy/strcat/... to one call to concat.
12222 (main, scan_prog_file, scan_libraries): Use an intermediate
12223 `const char **' to build an argv array.
12224 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12226 * collect2.h (collect_execute, collect_wait, dump_file,
12227 file_exists): Constify a char*.
12228 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12229 temporary_firstobj, vflag, debug): Add extern declarations.
12230 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12232 * tlink.c: Don't include toplev.h.
12233 (vflag, debug, ldout, c_file_name, temporary_obstack,
12234 permanent_obstack, temporary_firstobj): Don't declare.
12235 (tlink_execute, frob_extension, symbol_hash_lookup,
12236 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12237 recompile_files, read_repo_files, demangle_new_symbols,
12238 scan_linker_output): Constify a char*.
12239 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12240 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12242 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12244 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12245 (relative) rather than jsr (absolute) subroutine call insns.
12246 * config/m68k/m68k-coff.h: Ditto.
12248 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12250 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12251 now rework these too.
12252 (arm_reorg): If an insn can't reach the end of the current pool,
12253 ensure that we emit that pool before the insn.
12255 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12257 * tlink.c (scan_linker_output): Skip the initial underscore in
12258 a mangled name if appropriate.
12260 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12262 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12263 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12264 error_with_ivar, gen_declarator, create_builtin_decl,
12265 my_build_string, generate_descriptor_table, generate_ivars_list,
12266 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12267 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12268 dump_base_name, lang_decode_option, build_encode_expr,
12269 start_class, finish_class, encode_pointer, really_start_method,
12270 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12272 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12273 Add static prototypes.
12274 (build_objc_string_decl, build_selector_reference_decl,
12275 encode_bitfield, build_class_reference_decl): Remove unused
12276 parameter, all callers changed.
12277 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12278 (objc_printable_name): Likewise. Change second parameter to type int.
12279 (init_objc): Use memcpy, not bcopy, to avoid casts.
12281 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12283 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12284 reg notes on a deleted insn.
12285 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12287 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12289 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12291 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12293 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12296 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12298 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12299 * tm.texi (MD_ASM_CLOBBERS): Document it.
12301 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12303 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12304 * except.c (expand_rethrow): Remove unused variable.
12305 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12306 * flow.c (replace_insns): Likewise.
12307 (create_edge_list, verify_edge_list): Likewise.
12308 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12310 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12311 is special code to run.
12312 (main): Don't define operands to emit_operand.
12313 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12315 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12317 * alpha/alpha.h (normal_memory_operand): Declare.
12318 (reg_no_subreg_operand): Declare.
12319 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12321 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12323 * c-parse.in (compstmt_primary_start): New, broken out of first
12324 part of compstmt handling in primary.
12325 (primary): Use it. Add an error clause.
12326 (compstmt_nostart): Renamed from compstmt; remove all
12327 initial invocations of compstmt_start.
12330 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12332 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12335 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12337 * combine.c (simplify_shift_const): Remove extra semicolon.
12338 * dwarf2out.c (remove_AT): Likewise.
12339 * expmed.c (expand_mult): Likewise.
12340 * gcov.c (create_program_flow_graph): Likewise.
12341 * reorg.c (mostly_true_jump): Likewise.
12343 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12345 * fold-const.c (fold_range_test): Do not try to fold the range
12346 test if the rhs or lhs has side effects.
12348 * combine.c (simplify_rtx): Recognize another case of a synthesized
12351 * varasm.c (mark_constant_pool): When marking indirect references,
12352 only look at SYMBOL_REFs.
12354 * except.c (expand_fixup_region_end): Do not peek at
12355 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12357 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12359 * flags.h: New variables align_loops, align_loops_log,
12360 align_jumps, align_jumps_log, align_labels, align_labels_log,
12361 align_functions, align_functions_log.
12362 * toplev.c: Define them.
12363 (f_options): Handle -falign-* when they have no argument.
12364 (main): Add logic to set variables for -falign-functions,
12365 -falign-jumps, -falign-labels, -falign-loops.
12366 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12367 (display_help): Change help to match options.
12368 * final.c (LABEL_ALIGN): Default to align_labels_log.
12369 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12370 (LOOP_ALIGN): Default to align_loops_log.
12371 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12372 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12373 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12374 * varasm.c (assemble_start_function): Handle align_functions.
12376 * config/sparc/sparc.h: Don't declare sparc_align_*.
12377 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12378 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12380 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12382 * config/sparc/sparc.c: Delete sparc_align_loops,
12383 sparc_align_jumps, sparc_align_funcs and the corresponding string
12385 (sparc_override_options): Default align_functions on ultrasparc.
12386 Delete -malign-* handling.
12388 * config/mips/mips.c (override_options): On 64-bit targets,
12389 try to align code to 64-bit boundaries.
12390 (print_operand): New substitution, %~,
12391 which aligns labels to align_labels_log.
12392 * config/mips/mips.md (div_trap_normal): Use %~.
12393 (div_trap_mips16): Likewise.
12395 (absdi2): Likewise.
12396 (ffssi2): Likewise.
12397 (ffsdi2): Likewise.
12398 (ashldi3_internal): Likewise.
12399 (ashrdi3_internal): Likewise.
12400 (lshrdi3_internal): Likewise.
12401 (casesi_internal): Likewise.
12403 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
12405 Merge new ia32 backend from the branch!
12407 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
12408 See ChangeLog.P2 on new_ia32_branch for details.
12410 * rtl.h (stack_regs_mentioned_p): Delete prototype.
12411 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
12412 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12413 * i386/gas.h (ASM_FILE_START): Define.
12414 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
12415 for name change of ix86_valid_decl_attribute_p.
12416 (i386_pe_valid_type_attribute_p): Similarly.
12418 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
12420 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
12421 to step through CC modes.
12423 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12425 * regmove.c (fixup_match_1): Don't move INSN in front of P if
12426 it would end up in the shadow of a live flags regsiter.
12428 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12430 * reload1.c: Fix many indentation problems.
12431 * reload.c: Likewise.
12433 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
12435 * alias.c (non_local_reference_p): Constify fmt.
12437 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
12439 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
12441 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
12443 * cse.c (delete_trivially_dead_insns): Do not delete stores to
12444 the internal_arg_pointer.
12446 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
12448 Merge peephole2 from new_ia32_branch:
12449 * Makefile.in (STAGESTUFF): Add *.peephole2.
12450 (mostlyclean): Likewise.
12451 (recog.o): Depend on resource.h.
12453 * final.c (peephole): Conditionalize decl on HAVE_peephole.
12454 (final_scan_insn): Likewise for the invocation of peephole.
12455 * genconfig.c (main): Look for peephole and peephole2 patterns.
12456 Emit HAVE_peephole* accordingly.
12457 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
12458 * flags.h (flag_peephole2): Declare.
12459 * toplev.c: New pass peephole2. New flag -fpeephole2.
12461 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
12462 * gencodes.c (main): Likewise.
12463 * genextract.c (main): Likewise.
12464 * genoutput.c (main): Likewise.
12465 * genemit.c (max_operand_1): Look for the max scratch operand.
12466 (gen_rtx_scratch): New.
12467 (gen_exp): Use it, and pass on new arg subroutine_type.
12468 (gen_expand): Take max scratch into account.
12469 (gen_split): Emit peephole2 functions.
12470 (output_peephole2_scratch): New.
12471 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
12472 * genrecog.c (routine_type): Add PEEPHOLE2.
12474 (make_insn_sequence): Match outer parallel for peep2. Discard
12475 top level scratches and dups.
12476 (add_to_sequence): New args insn_type and top. Update all callers.
12477 Handle toplevel peep2 matching insns.
12478 (write_subroutine): Handle peep2.
12479 (write_tree_1): Likewise.
12480 (write_tree): Likewise.
12482 (change_state): New arg afterward. Update all callers.
12483 Handle matching separate insns.
12484 * recog.c (recog_next_insn): New.
12485 (peephole2_optimize): New.
12486 * rtl.def (DEFINE_PEEPHOLE2): New.
12487 * resource.c (find_free_register): New argument last_insn. Use it
12488 to find a register available through the entire span.
12489 * resource.h (find_free_register): Update prototype.
12491 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
12493 * i386.c (output_strlen_unroll): Don't write xops[7]
12494 label if it wasn't set.
12496 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
12498 * cpplib.c (struct directive): Const-ify name pointer and
12499 function pointer prototype.
12500 (validate_else, do_define, do_line, do_include, do_undef,
12501 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
12502 do_elif, do_endif, do_sccs, do_assert, do_unassert,
12503 do_warning): Const-ify second arg.
12504 (directive_table): Mark const. Reorder entries by frequency
12505 of usage, record statistics.
12507 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
12509 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
12510 bounds- check RTL accesses if --enable-checking.
12511 (RTVEC_ELT): Bounds check if --enable-checking.
12512 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
12513 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
12514 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
12516 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
12517 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
12519 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
12520 (NOTE_SOURCE_FILE): Use X0STR.
12521 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
12522 MEM_ALIAS_SET): Use X0INT.
12523 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
12524 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
12526 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
12527 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
12528 (rtl_check_failed_bounds, rtl_check_failed_type1,
12529 rtl_check_failed_type2, rtvec_check_failed_bounds): New
12531 (fancy_abort): Fix comment.
12533 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
12534 (cse_insn): Decrement LABEL_NUSES for jump target before
12535 deleting jump insn.
12536 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
12537 * final.c (alter_subreg): Compute regno before changing x to
12538 REG; set REGNO(x) after changing it.
12539 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
12540 notes containing CONST_INTs.
12541 (delete_eh_regions): Use NOTE_EH_HANDLER.
12542 * function.c (put_reg_into_stack): Make reg a MEM before
12544 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
12546 (gen_mem_addressof): Make reg a MEM before initializing it.
12547 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
12549 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
12550 deleting an insn, not after.
12551 (block_alloc): Only look at PATTERN(insn) if we have to, and
12552 only if it's format class 'i'.
12553 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
12554 CONST_INT before using its INTVAL.
12555 * print-rtl.c (print_rtx): Use X0STR.
12556 * regmove.c (fixup_match_1): Don't look at PATTERN of
12557 non-class-'i' insn chain elements.
12558 * reload.c (loc_mentioned_in_p): Take address of
12559 in->fld[1].rtx directly.
12560 * reload1.c (reload): Change reg to a MEM before initializing
12562 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
12564 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
12566 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
12568 * config/mips/mips.c (machine_dependent_reorg): Force a
12569 barrier to output the local constant pool if a barrier hasn't
12570 been found at a natural point in the instruction stream.
12572 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12574 * c-parse.in (language_string): Constify.
12576 * dwarf2out.c (language_string): Remove declaration.
12578 * dwarfout.c (language_string): Likewise.
12580 * toplev.c (language_string, init_parse, finish_parse): Likewise.
12582 * tree.h (language_string, init_parse, finish_parse): Declare.
12584 * i386/sun386.h (language_string): Remove declaration.
12586 * mips.h (language_string): Likewise.
12588 * nextstep.h (language_string): Likewise.
12590 * nextstep21.h (language_string): Likewise.
12592 * rs6000.c (language_string): Likewise.
12594 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12596 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
12597 (getpwd.o): Remove target.
12599 * getpwd.c: Delete file. Its in libiberty now.
12601 * dbxout.c (getpwd): Don't prototype.
12602 * dwarf2out.c (getpwd): Likewise
12603 * dwarfout.c (getpwd): Likewise
12604 * final.c (getpwd): Likewise.
12605 * protoize.c (getpwd): Likewise.
12607 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12609 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
12611 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12613 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
12614 mark_set_resources.
12616 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
12618 * fixinc/Makefile.in (subdir): New.
12619 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
12622 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
12624 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
12625 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
12628 * invoke.texi: Fix typo.
12630 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
12631 changed. Handle autoincrement addressing modes.
12633 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
12634 just like we would the virtual incoming args register when
12637 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
12639 * rs6000.h (ASM_FILE_START): Specify complete filename, including
12640 path, in .file directive.
12642 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
12644 * gcc.texi (External Bugs): Remove obsolete note about Perl on
12647 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
12649 * stdbool.h: Make the typedef name _Bool, with bool a #defined
12652 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12654 * tree.c (tree_code_name): Constify a char*.
12656 * tree.h (tree_code_name, decl_printable_name): Likewise.
12658 * function.h (struct function): Likewise.
12660 * toplev.c (decl_name, decl_printable_name): Likewise.
12662 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
12664 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
12665 (init_objc): Remove function pointer cast.
12667 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
12669 * pa.md (interspace_jump): New pattern.
12670 (builtin_longjmp): New expander.
12672 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
12674 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
12675 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
12676 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
12678 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
12680 * jump.c (delete_prior_computation): Also check calls
12681 to constant functions. Don't bother checking for a
12682 REG_UNUSED note before adding it.
12683 (delete_computation): Handle multi-word hard registers
12684 when synthesizing missing REG_DEAD notes for a register
12685 which is both set and used by an insn.
12687 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12689 * loop.c (this_loop_info): New variable.
12690 (loop_has_call, loop_has_volatile, loop_has_tablejump,
12691 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
12693 (prescan_loop, strength_reduce): New argument loop_info. All callers
12695 (scan_loop): New variable loop_info, initialise to address of
12697 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
12698 Delete variable loop_has_multiple_exit targets and replace with
12699 field in this_loop_info.
12700 (find_and_verify_loops): Rename this_loop to this_loop_num.
12701 (strength_reduce): Delete loop_iteration_info. Replace variable
12702 loop_info with function argument of same name.
12703 (insert_bct): Rework test for loop being completely unrolled.
12705 * loop.h (struct loop_info): New fields num, loops_enclosed,
12706 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
12707 has_indirect_jump, and cont. Redefine use of unroll_number.
12708 (loop_unroll_number): Delete.
12710 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
12711 field of loop_info.
12712 (loop_iterations): Delete variable vtop and instead use
12713 loop_info->vtop computed in prescan_loop.
12715 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
12717 * fix-header.c (main): Do not pass a null pointer to strcmp.
12719 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
12721 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
12723 * configure: Rebuilt.
12725 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
12727 * jump.c (jump_optimize_1): Do not delete assignments to
12728 internal_arg_pointer.
12729 * cse.c (delete_trivially_dead_insns): Always consider a set of
12730 the internal_arg_pointer live.
12732 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
12734 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
12735 (update_life_info) [REG_WAS_0]: Search the original insns rather
12736 than the new insns for the note. Fix typos finding note_dest.
12737 If no dest found, discard the note rather than abort.
12738 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
12739 (replace_insns): Remove the old insn list after update_life_info
12742 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
12744 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
12745 sched_analyze_insn.
12746 (sched_analyze_1): Let add_dependence care for not adding dups.
12747 (sched_analyze_2): Likewise.
12748 (add_branch_dependences): Likewise.
12750 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
12752 * i386/winnt.c (export_list): New type.
12753 (exports_head): Rename to
12754 (export_head): this.
12755 (i386_pe_record_exported_symbol): Add is_data flag.
12756 (i386_pe_asm_file_end): Emit directive for exported variables.
12757 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
12759 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
12760 (ASM_DECLARE_OBJECT_NAME): Likewise.
12761 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12762 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
12764 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
12766 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
12768 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
12771 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
12773 * config/openbsd.h: Define SET_ASM_OP.
12774 * tm.texi: cross-reference SET_ASM_OP in the index.
12776 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
12778 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
12779 for a CONST_DOUBLE, at compile time. Initialize rtx_length
12780 and class_narrowest_mode at compile time. Kill init_rtl.
12781 Mark rtx_length, mode_class, mode_size, mode_unit_size,
12782 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
12783 rtx_format as const. Kill all references to EXTRA_CC_MODES or
12785 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
12787 * rtl.h: Declare rtx_length and rtx_format as const.
12788 * machmode.def: Define CC(). Use CC() to define CCmode. If
12789 EXTRA_CC_MODES is defined, expand it here.
12790 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
12791 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
12792 const. Kill all references to EXTRA_CC_MODES.
12794 * toplev.c: Don't prototype or call init_rtl.
12795 * optabs.c: Don't call init_mov_optab.
12796 * genemit.c: Don't generate init_mov_optab. Don't call
12798 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
12800 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
12801 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
12802 genrecog.c: Don't call init_rtl.
12804 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
12805 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
12806 definition of EXTRA_CC_MODES.
12808 * md.texi: Kill ref to EXTRA_CC_NAMES.
12809 * tm.texi: Document new way to define EXTRA_CC_MODES.
12811 * genrecog.c: Do not look up the name of a define_split.
12812 (Unrelated bugfix.)
12814 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
12816 * config/v850/v850.md: Fix typo introduced by previous delta.
12818 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12820 * gcc.c (fatal): Make definition static to match prototype.
12822 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12824 * combine.c (get_last_value): Don't look for earlier sets if the last
12825 known set is somewhere in between the insns being combined.
12827 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
12829 * configure.in: Don't use shell ! to negate exit codes
12830 * configure: Regenerate
12832 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
12834 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
12835 the fact that ALIGN is measured in bits, not bytes.
12837 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
12839 * errors.c: New file; defines functions error, warning, and
12840 fatal, variables have_error and progname.
12841 * errors.h: New file; prototypes and decls for stuff in errors.c.
12843 * Makefile: Add rules to build errors.o and
12844 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
12845 genopinit, genrecog, genextract, genpeep, genattr, and
12846 genoutput with errors.o. Add errors.h to deps of genconfig.o,
12847 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
12848 genpeep.o, genattr.o, and genoutput.o.
12850 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
12851 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
12852 define or prototype fatal. Set progname at beginning of main.
12853 * genoutput.c: Likewise, and don't define or prototype error
12856 * c-typeck.c (c_expand_start_case): Return immediately if exp
12858 * fold-const.c (operand_equal_p): Return immediately if arg1
12859 or arg0 are ERROR_MARKs.
12860 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
12861 fields of type ERROR_MARK when calculating if the record can
12864 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
12865 with much help from Jeffrey A Law and Richard Henderson
12867 * i386.md: In the 6 insns which call output_fix_trunc,
12868 earlyclobber operands[0].
12870 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
12872 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
12873 creating new registers.
12875 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
12877 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
12878 i386_reg_alloc_order, i386_regparm_string,
12879 i386_align_loops_string, i386_align_jumps_string,
12880 i386_align_funcs_string, i386_preferred_stack_boundary_string,
12881 and i386_branch_cost_string as type "const char *".
12882 * i386.c: Define all above strings as type "const char *".
12884 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
12886 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
12887 when emitting alignment padding. Emit padding byte of 0 instead of 4.
12889 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
12891 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
12892 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
12894 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
12896 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
12897 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
12898 (dwarf2out_line, dwarf2out_finish): Likewise.
12899 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
12901 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
12903 * tree.c (lang_unsave_expr_now) : Correct return type.
12904 * tree.h (lang_unsave_expr_now) : Same.
12906 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
12908 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
12909 instead of duplicating code.
12911 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12913 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
12915 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
12917 * tree.h: fancy_abort always takes three args.
12918 * resource.c: Move include of system.h before toplev.h.
12920 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
12922 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
12925 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
12927 * system.h: Don't redefine abort or trim_filename.
12928 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
12929 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
12930 whether or not __FUNCTION__ is available.
12931 * tree.h: Duplicate rtl.h's definition of abort, for files
12932 that don't include rtl.h. Delete all code to perform type
12933 checking with a compiler other than GCC.
12934 * varray.h: Delete all code to perform type checking with a
12935 compiler other than GCC. Make VARRAY_CHECK() always evaluate
12936 its arguments exactly once, using a statement expression.
12937 Adjust the VARRAY_<type> accessor macros to match.
12938 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
12939 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
12940 caller's location. Define fatal_insn and fatal_insn_not_found
12941 as macros that use _fatal_insn and _fatal_insn_not_found.
12942 (fancy_abort, trim_filename): Kill prototypes.
12944 * rtl.c (trim_filename): Move here from toplev.c.
12945 (fancy_abort): New function.
12946 (DIR_SEPARATOR): Provide default definition.
12947 * tree.c (tree_check_failed, tree_class_check_failed): Go
12948 through fancy_abort.
12949 (tree_check, tree_class_check, cst_or_constructor_check,
12950 expr_check): Delete.
12951 * varray.c (varray_check_failed): New function.
12952 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
12953 _fatal_insn and _fatal_insn_not_found. Go through
12955 (trim_filename, fancy_abort): Delete.
12957 * builtins.c (expand_builtin_args_info): Report ICE with abort.
12958 * except.c (start_catch_handler): Report ICE with error/abort
12960 * final.c (output_operand_lossage): Likewise.
12961 * flow.c (verify_flow_info): Likewise.
12963 * gcc.c: Prototype fatal.
12964 * gengenrtl.c: Undef abort after including rtl.h not system.h.
12965 * genattr.c, genattrtab.c, genemit.c, genextract.c,
12966 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
12967 Don't define fancy_abort.
12969 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
12971 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
12974 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
12976 * m88k.h (VERSION_INFO2): Kill.
12977 (VERSION_STRING): Kill.
12979 (VERSION_INFO1): Tidy.
12980 (TARGET_VERSION): Update.
12981 * m88k/dgux.h (VERSION_INFO2): Kill.
12982 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
12983 * m88k/luna.h (VERSION_INFO1): Tidy.
12984 * m88k/sysv4.h (VERSION_INFO1): Likewise.
12985 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
12986 (output_file_start): Adjust for death of VERSION_STRING.
12988 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
12990 * cpplib.c (detect_if_not_defined): New function.
12991 (do_if): Use it to detect potential once-only headers.
12993 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
12995 * c-common.c (combine_strings): Always set TREE_CONSTANT.
12997 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12999 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13000 anywere in the function only if they are pseudos and set before
13001 being used (not live at the start of the function).
13002 (num_sign_bit_copies) : Same.
13003 (get_last_value_validate) : Same.
13004 (get_last_value) : Same.
13006 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13008 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13009 where N and M are constant and N is an integer multiple of M.
13011 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13013 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13014 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13015 sbitmap_union_of_preds): Add prototypes.
13016 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13017 the intersection of successors with the new flow graph structures.
13018 (sbitmap_intersection_of_preds): New function to compute the
13019 intersection of predecessors with the new flow graph structures.
13020 (sbitmap_union_of_succs): New function to compute the union of
13021 successors with the new flow graph structures.
13022 (sbitmap_union_of_preds): New function to compute the union of
13023 predecessors with the new flow graph structures.
13024 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13025 (expr_reaches_here_p): Use edge and basic_block structures instead
13026 of s_preds and s_succs.
13027 (compute_cprop_avinout): Use new sbitmap routines.
13028 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13029 of s_preds and s_succs.
13030 * flow.c (compute_flow_dominators): Compute dominators using
13031 edges and basic blocks instead of s_preds and s_succs.
13033 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13035 * lists.c (unused_insn_list, unused_expr_list): New file for
13036 maintaining various types of lists. New statics for maintaining a
13037 cache of available INSN_LIST and EXPR_LIST nodes.
13038 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13039 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13040 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13041 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13042 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13043 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13044 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13045 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13046 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13047 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13048 (remove_dependence, free_pending_lists): Use new global routines.
13049 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13050 (sched_analyze, compute_block_backward_dependences): Use new routines.
13051 (sched_analyze_1, sched_analyze_2): Use new routines.
13052 (schedule_insns): Use new global routines.
13053 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13055 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13056 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13058 * toplev.c (rest_of_compilation): Initialize node cache.
13059 * Makefile.in (OBJS): Add lists.o to list of object files.
13060 (lists.o): Add dependancies.
13062 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13064 * config/v850/v850.md: Fix compile time warning messages.
13065 * config/v850/v850.c: Fix compile time warning messages.
13066 * config/v850/v850.h: Fix compile time warning messages.
13068 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13070 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13071 Remove unused prototype for `init_lengths'.
13073 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13075 * calls.c (emit_call_1): Mark parameter `stack_size' with
13077 (expand_call): Initialize variable `insn'.
13078 (emit_library_call): Likewise for variable `high_to_save'.
13079 (emit_library_call_value): Likewise.
13080 (store_one_arg): Likewise for variables `lower_bound' and
13083 * combine.c (try_combine): Likewise for variables `i2_code_number'
13084 and `other_code_number'.
13085 (find_split_point): Likewise for variables `pos', `unsignedp' and
13087 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13088 (simplify_and_const_int): Remove unused variable `width'.
13089 (merge_outer_ops): Likewise.
13091 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13092 HOST_WIDE_INT' when comparing against one.
13093 (simplify_relational_operation): Likewise.
13094 (cse_insn): Initialize variables `src_eqv_volatile',
13095 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13097 * final.c (init_final): Constify parameter `filename'.
13098 (final_start_function): Mark parameter `optimize' with
13100 (profile_function): Likewise for parameters `first' and `optimize'.
13101 (output_source_line): Likewise for parameter `file'.
13103 * integrate.c (subst_constants): Cast a value to `size_t' when
13104 comparing against one.
13105 (mark_stores): Initialize variable `mode'. Cast a value to
13106 `size_t' when comparing against one.
13108 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13110 * loop.c (move_movables): Initialize variable `first'.
13111 (strength_reduce): Likewise for variable `increment'.
13112 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13113 value to `size_t' when comparing against one.
13114 (load_mems): Initialize variable `end_label'.
13116 * output.h (init_final): Constify parameter.
13118 * reload.c (decompose): Initialize variable `base'.
13120 * reload1.c (reload): Likewise for variable `is_scalar'.
13121 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13122 (choose_reload_regs): Initialize variable `mode'.
13123 (emit_reload_insns): Likewise for variable `store_insn'.
13124 (reload_cse_noop_set_p): Mark parameter `insn' with
13126 (reload_combine): Initialize variable `set'.
13128 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13129 (copy_loop_body): Cast a value to `size_t' when comparing against
13132 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13133 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13134 (remove_from_pending_weak_list): Mark parameter `name' with
13137 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13139 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13142 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13144 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13145 (ASM_DECLARE_FUNCTION_NAME): Define.
13146 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13147 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13148 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13149 not already defined.
13151 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13153 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13154 of n_popped when call/call_value are not defined.
13156 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13158 * tm.texi: GNU CC -> GCC conversion.
13159 (CC1_SPEC): Indicate it is used for all language front ends.
13161 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13163 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13164 NOTE_INSN_EH_REGION_END correctly.
13166 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13167 Jeff Law <law@cygnus.com>
13169 * loop.c (strength_reduce): Automatically unroll loops if the
13170 unrolled loop size is smaller than the rolled loop size.
13172 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13173 and delete comment that code should be rewritten.
13175 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13177 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13180 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13182 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13184 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13185 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13186 (LINK_SPEC): Add -u _main when building executables.
13187 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13188 (ASM_FILE_END): Use the default for ix86-pe.
13189 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13191 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13193 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13194 and ASM_CLOSE_PAREN are empty strings.
13196 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13197 Geoffrey Keating <geoffk@cygnus.com>
13199 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13200 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13201 (unprotoize.o): Ditto.
13202 (test-protoize-simple): Don't define STD_PROTO_DIR.
13203 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13204 changes to make 'test-protoize-simple' pass.
13205 (STD_PROTO_DIR): Remove define.
13206 (STANDARD_EXEC_PREFIX): Supply default define.
13207 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13208 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13209 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13210 (GET_ENV_PATH_LIST): New macro.
13211 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13212 (do_processing): Initialize default_syscalls_dir using new
13213 macros. Use it to initialize syscalls_absolute_filename.
13215 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13217 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13218 B into a register before emit_conditional_move.
13220 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13222 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13223 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13224 multiplicand out of (+ (* a b) (* c d)).
13226 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13227 Richard Henderson <rth@cygnus.com>
13229 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13230 (new_insn_dead_notes): Likewise.
13231 (update_n_sets): Likewise.
13232 (update_flow_info): Move to flow.c, renamed to update_life_info;
13233 extend to handle multiple source insns.
13234 * flow.c: Include resource.h
13235 (unlink_insn_chain): New.
13236 (split_hard_reg_notes): New.
13237 (maybe_add_dead_note): New.
13238 (maybe_add_dead_note_use): New.
13239 (find_insn_with_note): New.
13240 (new_insn_dead_notes): New.
13241 (update_n_sets): New.
13242 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13243 (maybe_remove_dead_notes): New.
13244 (update_life_info): New.
13245 (prepend_reg_notes): New.
13246 (replace_insns): New.
13247 * output.h (update_life_info): Declare.
13248 * recog.c (split_block_insns): Use update_life_info.
13249 * resource.c (find_free_register): Use reg_alloc_order, don't use
13250 fixed regs, make sure the mode is supported, don't use new regs.
13252 * rtl.h (replace_insns): Declare.
13254 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13256 * expr.c (expand_expr): Cope with COND_EXPRs with one
13257 non-returning branch.
13259 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13261 * expr.c (store_expr): Always pass down the target, even when not
13264 1999-08-24 Nick Clifton <nickc@cygnus.com>
13266 * configure.in: Define target_cpu_default for v850 targets.
13267 * configure: Regenerate
13269 * config/v850/v850.h (TARGET_CPU_generic): Define.
13270 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13271 addresses are 4 byte aligned.
13273 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13276 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13278 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13279 (main): Add prototypes.
13281 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13282 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13283 (write_attr_get): Emit prototypes along with function definition.
13284 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13285 (write_complex_function): Emit static prototype along with
13286 function definition.
13288 * genemit.c (gen_split): Emit prototypes along with function
13291 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13292 Likewise for predicates and `insn_operand_predicate'.
13293 (process_template): Emit static prototype along with function
13296 * genrecog.c (make_insn_sequence): Constify a char*. Add
13297 prototypes for get_split_*().
13298 (write_subroutine): Emit prototypes along with function
13301 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13303 * gcse.c (find_avail_set): Follow chains of register-register copies.
13304 Use oprs_not_set_p to guarantee that the returned value can be
13306 (cprop_insn): Don't verify the return value of find_avail_set with
13309 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13310 (cprop_cc0_jump): New function.
13311 (cprop_insn): Break out new function cprop_jump and use it.
13312 Also use cprop_cc0_jump for machines with CC0.
13313 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13315 * tree.h (current_function_calls_setjmp,
13316 current_function_calls_longjmp): Delete declarations.
13317 * dsp16xx.c: Include "function.h".
13318 * elxsi.c: Likewise.
13319 * gmicro.c: Likewise.
13320 * h8300.c: Likewise.
13321 * i370.c: Likewise.
13322 * m32r.c: Likewise.
13323 * mn10200.c: Likewise.
13324 * mn10300.c: Likewise.
13325 * ns32k.c: Likewise.
13326 * spur.c: Likewise.
13327 * v850.c: Likewise.
13329 * rtl.h (rtx_equal_function_value_matters): Declare.
13330 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13332 * function.c: Likewise.
13333 * emit-rtl.c: Likewise.
13335 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13337 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13340 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13342 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13345 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13347 * cpp.texi: Add a node documenting macro varargs (copied
13350 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13352 * cppspec.c: Put a null pointer at the end of the new argv.
13354 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13356 * configure.in: Remove code to select/de-select the haifa
13357 scheduler. Every scheduled port gets haifa now.
13358 * configure: Rebuilt.
13359 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13361 * Makefile.in: Corresponding changes.
13363 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13365 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13366 All callers changed.
13367 (prepare_float_lib_cmp): Likewise.
13368 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13369 * expr.h (emit_float_lib_cmp): Delete declaration.
13370 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13371 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13372 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13374 (cmptf): Now conditional on TARGET_HARD_QUAD.
13376 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13378 * resource.c (mark_target_live_regs): Use
13379 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13381 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13383 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13385 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13387 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13389 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13391 * rtl.h (rtx_format): Constify a char*.
13393 * rtl.c (rtx_format): Likewise.
13394 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13395 (init_rtl): Use accessor macro, not `rtx_format'.
13397 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
13400 * caller-save.c (mark_referenced_regs): Likewise.
13402 * combine.c (subst, make_compound_operation, known_cond,
13403 gen_rtx_combine, update_table_tick, get_last_value_validate,
13404 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
13406 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
13407 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
13408 count_reg_usage): Likewise.
13410 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
13413 * final.c (leaf_renumber_regs_insn): Likewise.
13415 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
13416 dump_edge_info, count_reg_references): Likewise.
13418 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
13419 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
13422 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
13423 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
13424 add_label_notes): Likewise.
13426 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
13427 clear_struct_flag, count_sub_rtxs, count_alternatives,
13428 compares_alternatives_p, contained_in_p, walk_attr_value,
13429 write_expr_attr_cache): Likewise.
13431 * genconfig.c (walk_insn_part): Likewise.
13433 * genemit.c (max_operand_1, gen_exp): Likewise.
13435 * genextract.c (walk_rtx): Likewise.
13437 * genflags.c (num_operands): Likewise.
13439 * genoutput.c (scan_operands): Likewise.
13441 * genpeep.c (match_rtx): Likewise.
13443 * genrecog.c (add_to_sequence): Likewise.
13445 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
13448 * integrate.c (save_constants, copy_for_inline,
13449 copy_rtx_and_substitute, subst_constants, restore_constants):
13452 * jump.c (mark_jump_label, invert_exp, redirect_exp,
13453 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
13455 * local-alloc.c (contains_replace_regs, memref_referenced_p):
13458 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
13459 add_label_notes, replace_call_address, count_nonfixed_reads,
13460 invariant_p, find_single_use_in_loop, find_mem_givs,
13461 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
13464 * print-rtl.c (reg_names, print_rtx): Likewise.
13466 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
13468 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
13469 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
13470 print_blocks): Likewise.
13472 * regclass.c (fix_register, record_address_regs,
13473 reg_scan_mark_refs): Likewise.
13475 * regmove.c (stable_but_for_p): Likewise.
13477 * reload.c (loc_mentioned_in_p, operands_match_p,
13478 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
13479 copy_replacements, refers_to_regno_for_reload_p,
13480 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
13481 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
13484 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
13485 delete_address_reloads_1, count_occurrences,
13486 reload_cse_mem_conflict_p, reload_combine_note_use,
13487 add_auto_inc_notes): Likewise.
13489 * resource.c (mark_referenced_resources, mark_set_resources):
13492 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
13493 reg_mentioned_p, regs_set_between_p, modified_between_p,
13494 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
13495 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
13496 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
13497 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
13499 * sched.c (sched_analyze_2, attach_deaths): Likewise.
13501 * stupid.c (stupid_mark_refs): Likewise.
13503 * unroll.c (remap_split_bivs): Likewise.
13505 * varasm.c (mark_constants): Likewise.
13507 * a29k/a29k.c (uses_local_reg_p): Likewise.
13509 * alpha/alpha.c (summarize_insn): Likewise.
13511 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
13512 eliminate_lr2ip): Likewise.
13514 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
13516 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
13517 reg_mentioned_in_mem): Likewise.
13519 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
13520 symbolic_reference_mentioned_p): Likewise.
13522 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
13524 * sh/sh.c (regs_used, mark_use): Likewise.
13526 * vax/vax.c (vax_rtx_cost): Likewise.
13528 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13530 * machmode.h (mode_name): Constify a char*.
13532 * rtl.c (mode_name): Likewise.
13534 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
13536 * optabs.c (init_libfuncs): Constify a char*.
13538 * print-tree.c (mode_name): Remove redundant declaration.
13539 (print_node): Use accessor macro, not `mode_name'.
13541 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
13543 (new_spill_reg): Constify a char*.
13545 * tree.c (mode_name): Remove redundant declaration.
13547 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13549 * rtl.c (rtx_name): Constify a char*.
13551 * rtl.h (rtx_name, fix_sched_param): Likewise.
13553 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
13554 (mypr): Use accessor macro, not `rtx_name'.
13556 * genemit.c (print_code): Constify a char*.
13558 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
13560 * genpeep.c (print_code): Constify a char*.
13562 * genrecog.c (print_code): Likewise.
13564 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
13565 end_bb): Add static prototype.
13566 (draw_edge): Constify a char*.
13567 (end_bb): Remove unused parameter.
13569 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
13570 print_block_visualization): Constify a char*.
13572 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
13574 * c-common.c (c_get_alias_set): Update comment.
13576 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13578 * linux.h (LIB_SPEC): Added.
13580 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13582 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
13584 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
13586 * tree.c (expr_check): Fix typo in last change.
13588 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
13590 * rtl.def (NOTE): Change format to "iuu0n".
13591 (ADDR_DIFF_VEC): Change format to "eEee0".
13592 (ADDRESSOF): Change format to "eit".
13594 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
13595 (RTVEC_ELT): Change to match.
13596 (XVECEXP): Use XVEC and RTVEC_ELT.
13597 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
13598 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
13599 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
13600 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
13601 TRAP_CONDITION, TRAP_CODE): Use XEXP.
13602 (INTVAL): Use XWINT.
13603 (ADDRESSOF_DECL): Use XTREE.
13604 (SET_ADDRESSOF_DECL): Delete.
13605 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
13606 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
13607 ifdefed out since 2.6 at least.
13608 (gen_rtvec_vv): Delete prototype.
13610 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
13612 (copy_most_rtx): Handle 't' format letter.
13613 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
13614 (gen_rtvec_vv): Delete function. All callers changed to use
13615 gen_rtvec_v instead.
13616 * print-rtl.c (print_rtx): Move special casing of NOTEs to
13617 the '0' format letter.
13619 * function.c (gen_mem_addressof): Don't use
13620 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
13622 * integrate.c (copy_rtx_and_substitute): Likewise.
13623 Copy 't' slots with XTREE.
13624 (subst_constants): Treat 't' slots like '[swi]' slots.
13625 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
13626 * jump.c (rtx_equal_for_thread_p): Likewise.
13627 * rtlanal.c (rtx_equal_p): Likewise.
13628 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
13629 only four arguments.
13630 * gengenrtl.c (type_from_format): Provide correct types for
13634 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
13635 If a recent gcc is in use (always in stage2 and beyond), use
13636 statement expressions, so we don't make a function call unless
13637 the check fails. Evaluate arguments exactly once.
13638 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
13639 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
13641 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
13642 they evaluate their arguments exactly once, irrespective of
13643 the compiler in use.
13645 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
13646 is used by the currently-enabled check macros. This is:
13647 (tree_check_failed, tree_class_check_failed): For gcc.
13648 (tree_check, tree_class_check, cst_or_constructor_check,
13649 expr_check): For other compilers.
13651 * gencheck.c: Do not define any *_CHECK1 macros.
13653 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
13654 Mark Mitchell <mark@codesourcery.com>
13656 * c-common.c (c_get_alias_set): Fix support for poitners and
13659 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
13661 * alias.c: Include tree.h.
13662 (nonlocal_reference_p, mark_constant_function): New functions.
13663 * flow.c (life_analysis): Call mark_constant_function.
13664 * rtl.h (mark_constant_function): Declare it.
13666 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
13668 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
13669 unrecognisable switches.
13671 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13673 * loop.c (recombine_givs): Set ix field after sorting.
13674 (recombine_givs): Remove bogus index / giv lockstep looping.
13676 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13678 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
13680 (emit_store_flag_force): Use do_compare_rtx_and_jump.
13681 (do_cmp_and_jump): Formatting fixes.
13682 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
13683 do_compare_rtx_and_jump instead of compare_from_rtx.
13684 (do_compare_rtx_and_jump): New function; mostly copied from
13686 (do_jump_for_compare): Delete.
13687 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
13689 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
13690 of compare/do_jump_for_compare pairs.
13691 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
13692 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
13693 compare_from_rtx/do_jump_for_compare pairs.
13694 (do_jump_by_parts_equality): Likewise.
13695 (do_jump_by_parts_equality_rtx): Likewise.
13696 * expr.h (do_compare_rtx_and_jump): Declare.
13697 * optabs.c (prepare_cmp_insn): New function, contains most of the code
13698 that used to be in emit_cmp_insn.
13699 (cmp_available_p): New function.
13700 (prepare_operand): New function.
13701 (emit_cmp_and_jump_insn_1): New function, contains some code that used
13702 to be in emit_cmp_insn.
13703 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
13704 parameters to be pointers; don't emit final compare but modify some of
13705 the values pointed to by the args so the caller can perform the
13706 correct comparison.
13707 (expand_binop): Call emit_store_flag_force with signed forms of
13709 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
13710 emit_jump_insn pair.
13711 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
13712 emit_cmp_and_jump_insn_1. Call emit_queue.
13713 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
13715 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
13716 jump sets cc0 before deleting it.
13717 * integrate.c (expand_inline_function): Likewise.
13718 * unroll.c (unroll_loop): Similar changes in several places.
13719 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
13720 before deleting it.
13722 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13724 * Makefile.in (insn-recog.o): Update dependencies.
13725 * genrecog.c (main): Make generated file include "function.h".
13727 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
13729 * cse.c (cse_insn): Call never_reached_warning when a jump is
13730 changed to be unconditional.
13731 * flags.h: Declare warn_notreached.
13732 * flow.c (delete_block): Call never_reached_warning when
13733 a block is deleted.
13734 * jump.c (delete_barrier_successors): Call never_reached_warning
13735 when we delete everything after a BARRIER.
13736 (never_reached_warning): New function.
13737 * rtl.h: Declare never_reached_warning.
13738 * toplev.c (warn_notreached): New variable.
13739 (lang_independent_options): Set warn_notreached
13740 when -Wunreachable-code.
13741 (compile_file): We need line numbers for -Wunreachable-code.
13743 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
13745 * haifa-sched.c (insn_unit): Fix typo on out of range test.
13746 * sched.c (insn_unit): Likewise.
13748 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
13750 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
13752 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13754 * flow.c (create_edge_list): Use xmalloc, not malloc.
13756 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
13758 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
13759 C-style comments. Do not lose the character before double slash.
13761 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13763 * basic-block.h (struct edge_list): Stucture to maintain a vector
13765 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
13766 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
13767 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
13768 New function prototypes.
13769 * flow.c (create_edge_list): Function to create an edge list.
13770 (free_edge_list): Discards memory used by an edge list.
13771 (print_edge_list): Debug output showing an edge list.
13772 (verify_edge_list): Internal consistency check for an edge list.
13773 (find_edge_index): Function to find an edge index for a pred and succ.
13775 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
13777 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
13780 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
13782 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
13784 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13786 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
13788 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
13790 * toplev.c (rest_of_compilation): Allow machine dependent
13791 reorganisation pass to place information into the RTL dump
13792 file if it so wishes.
13794 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
13796 * explow.c (hard_function_value): Use VOIDmode instead of
13798 * stmt.c (expand_return): Likewise.
13799 * stor-layout.c (get_best_mode): Likewise.
13801 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
13802 emit call instead of emit_insn call.
13804 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13806 * configure.in: Handle --disable/enable-win32-registry.
13807 * install.texi: Document --disable/enable-win32-registry.
13808 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
13809 (WIN32_REGISTRY_KEY): New macro.
13810 * prefix.c: Use to enable/disable win32-specific code.
13811 (lookup_key): Use versioned key.
13812 * configure: Regenerate.
13813 * config.in: Likewise.
13815 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
13817 * cpplib.c (read_line_number): New fn, split out of...
13820 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13822 tree.c (lang_unsave_expr_now) : New.
13823 (unsave_expr_now): Call lang_unsave_expr_now.
13824 tree.h (lang_unsave_expr_now) : New.
13826 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
13828 * toplev.c (flag_new_exceptions): On by default.
13830 1999-08-13 Michael Meissner <meissner@cygnus.com>
13832 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
13834 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13836 * dwarfout.c (fundamental_type_code): Return FT_boolean for
13837 INTEGER_TYPE with precision==1, it's __java_boolean.
13839 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13841 * global.c (prune_preferences): Move some invariants out of the
13844 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
13846 * configure.in (alpha*-dec-osf*): Add osf5.
13848 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
13850 * configure.in: Rework handling of ARM GNU/Linux slightly.
13851 (arm*-*-linux-gnuoldld): New target.
13852 * configure: Regenerate.
13853 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
13854 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
13855 * config/arm/linux-oldld.h: New file.
13856 * config/arm/linux-elf26.h: Don't include linux-elf.h.
13857 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
13859 * config/arm/linux-elf.h (ASM_SPEC): Define.
13860 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
13861 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
13862 for 26-bit APCS and old linker.
13863 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
13865 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
13866 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
13867 don't define `arm' or `arm_elf'.
13868 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
13869 MULTILIB_DIRNAMES): Define. Fix typo in comment.
13871 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
13873 * rtl.texi: Fix typo.
13875 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
13877 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
13879 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
13881 * extend.texi (C++ Signatures): Remove node.
13882 * invoke.texi: Remove discussion of -fhandle-signatures,
13883 signature, sigof, __signature__, and __sigof__.
13885 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
13887 * Makefile.in (JAVAGC): Removed.
13889 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
13891 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
13893 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
13895 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
13897 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
13899 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
13900 a register that is already known to be a pointer.
13902 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
13904 * fixinc/inclhack.tpl: Only install assert.h conditionally.
13905 * fixinc/inclhack.sh: Regenerated.
13906 * fixinc/fixincl.sh: Regenerated.
13908 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
13910 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
13911 Fix documentation of -ansi flag to describe its C++ behavior.
13912 Remove bogus reference to GCC 2.9.
13914 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
13916 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
13917 note if it is non-NULL.
13919 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13921 * except.h (eh_nesting_info): Add new structure defintion.
13922 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
13923 (reachable_handlers, update_rethrow_references): Add function
13925 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
13926 a rethrow symbol instead of an integer exception region number.
13927 * flow.c (Make_edges): Use new exception nesting routines to determine
13928 which handlers are reachable from a CALL or asynchronous insn.
13929 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
13931 (delete_eh_regions): Update rethrow labels, and don't delete
13932 regions which are the target of a rethrow.
13933 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
13934 avoid overloading the SYMBOL_REF_USED flag.
13935 (rethrow_symbol_map): Use new rethrow_ref field.
13936 (rethrow_used): Use new rethrow_ref field.
13937 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
13938 of an integer. Fix formatting.
13939 (output_exception_table_entry): Use new rethrow_ref field.
13940 (can_throw): Check for EH_REGION_NOTE before deciding
13941 whether a CALL can throw or not.
13942 (scan_region): Call rethrow_used() instead of accessing data structure.
13943 (update_rethrow_references): New function to make sure only regions
13944 which are still targets of a rethrow are flagged as such.
13945 (process_nestinfo): New static function to initialize a handler
13946 list for a specific region.
13947 (init_eh_nesting_info): New function to allocate and initialize
13948 the list of all EH handlers reachable from all regions.
13949 (reachable_handlers): New function to retrieve the list of handlers
13950 reachable from a specific region and insn.
13951 (free_eh_nesting_info): New function to dispose of a list of
13952 reachable handlers.
13954 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13956 * flow.c (split_edge): Set JUMP_LABEL field.
13957 (commit_one_edge_insertion): Set head correctly for insert_before.
13958 When inserting insns, update insn block numbers if allocated.
13960 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13962 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
13963 retry_incomplete_types): Add static prototype.
13964 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
13965 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
13966 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
13967 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
13968 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
13971 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
13972 dwarf2out_start_source_file, dwarf2out_line): Likewise.
13974 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * output.h (assemble_name): Constify a char*.
13978 * varasm.c (UNIQUE_SECTION, assemble_start_function,
13979 assemble_variable, assemble_name): Likewise.
13981 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
13983 * arm/pe.c (arm_pe_unique_section): Likewise.
13985 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
13987 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
13989 * i386/interix.c (i386_pe_unique_section): Likewise.
13991 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
13993 * i386/winnt.c (i386_pe_unique_section): Likewise.
13995 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
13997 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
13999 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14001 * pa/pa.c (output_call): Likewise.
14003 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14005 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14007 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14010 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14013 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14015 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14016 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14018 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14020 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14022 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14024 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14026 * tree.h (lang_identify): Constify a char*.
14027 (print_error_function): Add extern prototype. Constify a char*.
14029 * c-lang.c (lang_identify): Constify a char*.
14031 * objc/objc-act.c (lang_identify): Constify a char*.
14033 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14035 * genpeep.c (main): Make generated file include "function.h".
14036 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14038 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14040 * Makefile.in: Update dependencies.
14041 * alias.c: Include "function.h"
14042 * c-decl.c: Likewise.
14043 * caller-save.c: Likewise.
14044 * calls.c: Likewise.
14045 * combine.c: Likewise.
14047 * explow.c: Likewise.
14048 * final.c: Likewise.
14049 * global.c: Likewise.
14050 * graph.c: Likewise.
14051 * local-alloc.c: Likewise.
14052 * loop.c: Likewise.
14053 * optabs.c: Likewise.
14054 * profile.c: Likewise.
14055 * recog.c: Likewise.
14056 * regclass.c: Likewise.
14057 * regmove.c: Likewise.
14058 * reload.c: Likewise.
14059 * reorg.c: Likewise.
14060 * resource.c: Likewise.
14061 * sched.c: Likewise.
14062 * stupid.c: Likewise.
14063 * config/1750a/1750a.c: Likewise.
14064 * config/a29k/a29k.c: Likewise.
14065 * config/arc/arc.c: Likewise.
14066 * config/arm/arm.c: Likewise.
14067 * config/arm/thumb.c: Likewise.
14068 * config/c4x/c4x.c: Likewise.
14069 * config/clipper/clipper.c: Likewise.
14070 * config/convex/convex.c: Likewise.
14071 * config/fx80/fx80.c: Likewise.
14072 * config/i860/i860.c: Likewise.
14073 * config/m68k/m68k.c: Likewise.
14074 * config/m88k/m88k.c: Likewise.
14075 * config/mips/mips.c: Likewise.
14076 * config/pdp11/pdp11.c: Likewise.
14077 * config/pyr/pyr.c: Likewise.
14078 * config/romp/romp.c: Likewise.
14079 * config/sh/sh.c: Likewise.
14080 * config/tahoe/tahoe.c: Likewise.
14081 * config/vax/vax.c: Likewise.
14082 * config/we32k/we32k.c: Likewise.
14083 * config/sparc/sparc.c: Include "function.h".
14084 (mem_min_alignment): Test current_function rather than
14085 regno_pointer_align.
14086 * config/pa/pa.c: Likewise.
14087 (compute_frame_size): Delete declaration of
14088 current_function_outgoing_args_size.
14089 * config/arc/arc.h (current_function_varargs): Delete declaration.
14090 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14092 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14094 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14095 current_function_uses_pic_offset_table.
14096 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14097 of current_function_returns_pointer.
14098 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14099 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14100 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14101 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14102 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14103 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14104 * config/m88k/m88k.c: Include "function.h"
14105 (call_used_regs, current_function_pretend_args_size,
14106 current_function_outgoing_args_size, frame_pointer_needed): Delete
14108 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14110 * config/mips/mips.h (current_function_calls_alloca): Delete
14112 * config/mn10200/mn10200.h (current_function_needs_context,
14113 rtx_equal_function_value_matters): Delete declarations.
14114 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14115 flag_pic): Delete declarations.
14116 * config/pa/pa.h (current_function_pretend_args_size,
14117 current_function_decl): Delete declarations.
14118 * config/pa/som.h (current_function_varargs): Delete declaration.
14119 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14121 * config/pyr/pyr.h (current_function_pretend_args_size,
14122 current_function_args_size, current_function_calls_alloca): Delete
14124 * config/sh/sh.h (current_function_varargs): Delete declaration.
14125 * config/sparc/sparc.h (current_function_outgoing_args_size,
14126 current_function_calls_alloca, current_function_decl): Delete
14128 * config/spur/spur.h (current_function_pretend_args_size,
14129 current_function_calls_alloca): Delete declarations.
14130 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14132 * config/vax/vms.h (current_function_name): Delete declaration.
14133 * gcse.c: Include "function.h".
14134 (current_function_name, current_function_calls_setjmp): Delete
14136 * haifa-sched.c: Include "function.h".
14137 (forced_labels): Delete declaration.
14138 * jump.c: Likewise.
14139 * reg-stack.c: Likewise.
14140 * reload1.c: Likewise.
14141 * genemit.c (main): Make generated file include function.h.
14142 * genoutput.c (output_prologue): Likewise.
14144 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14145 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14146 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14147 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14148 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14149 macros for some of them.
14150 (emit_filename, emit_lineno): Delete declarations.
14151 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14152 regno_pointer_* variables through current_function.
14153 (gen_inline_header_rtx): Delete function.
14154 (save_emit_status): Delete function.
14155 (set_new_last_label_num): New function.
14156 (clear_emit_caches): New function.
14157 (restore_emit_status): Just clear last_labelnum and call
14159 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14160 through macro seq_stack.
14161 (add_insn_after): Likewise.
14162 (add_insn_before): Likewise.
14163 (remove_insn): Likewise.
14164 (pop_topmost_sequence): Likewise.
14165 (in_sequence_p): Likewise.
14166 (start_sequence_for_rtl_expr): Likewise.
14167 (start_sequence): Likewise, and likewise for
14168 sequence_rtl_expr/seq_rtl_expr.
14169 (push_topmost_sequence): Likewise.
14170 (end_sequence): Likewise.
14171 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14172 All callers changed. Store into that pointer instead of globals.
14173 (init_emit): Allocate emit elt of current_function.
14174 Changes for sequence_rtl_expr/sequence_stack renaming.
14175 Call clear_emit_caches instead of doing it in-line.
14176 Access regno_pointer_* variables through current_function.
14177 (init_emit_once) Don't clear sequence_stack.
14179 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14181 (arg_pointer_save_area): Delete declaration.
14182 (finish_expr_for_function): Renamed from init_queue; no longer static.
14183 (init_expr): Don't call init_queue.
14184 (save_expr_status, restore_expr_status): Delete functions.
14185 (expand_expr): Changes to reflect new layout of struct function.
14186 Don't access current_function_check_memory_usage when current_function
14188 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14189 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14190 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14191 current_function_uses_const_pool, function_call_count,
14192 current_function_uses_pic_offset_table, nonlocal_labels,
14193 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14194 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14195 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14197 (finish_expr_for_function): Declare.
14198 * flags.h (current_function_has_nonlocal_label,
14199 current_function_has_nonlocal_goto, current_function_is_thunk,
14200 current_function_has_computed_jump): Delete declarations.
14201 * flow.c (forced_labels): Delete declaration.
14202 * function.c (current_function_pops_args,
14203 current_function_returns_struct, current_function_returns_pcc_struct,
14204 current_function_needs_context, current_function_calls_setjmp,
14205 current_function_calls_longjmp, current_function_has_nonlocal_label,
14206 current_function_has_nonlocal_goto, current_function_is_thunk,
14207 current_function_has_computed_jump, current_function_calls_alloca,
14208 current_function_contains_functions, current_function_returns_pointer,
14209 current_function_epilogue_delay_list, current_function_args_size,
14210 current_function_pretend_args_size, current_function_arg_offset_rtx,
14211 current_function_outgoing_args_size, current_function_varargs,
14212 current_function_stdarg, current_function_args_info, cleanup_label,
14213 current_function_name, current_function_uses_const_pool,
14214 current_function_instrument_entry_exit, current_function_return_rtx,
14215 current_function_uses_pic_offset_table, nonlocal_labels,
14216 current_function_internal_arg_pointer, current_function_cannot_inline,
14217 current_function_check_memory_usage, function_call_count,
14218 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14219 nonlocal_goto_stack_level, return_label, save_expr_regs,
14220 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14221 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14222 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14223 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14224 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14226 (push_function_context_to): Don't save them. Don't call
14227 save_storage_status, save_emit_status or save_expr_status.
14228 (pop_function_context_from): Don't restore them. Don't call
14229 restore_storage_status or restore_expr_status.
14230 (get_func_frame_size): New function.
14231 (get_frame_size): Use it.
14232 (assign_outer_stack_local): Reflect some member name changes in struct
14234 (put_reg_into_stack): Likewise.
14235 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14237 (fixup_var_refs): Likewise.
14238 (fix_lexical_addr): Likewise.
14239 (trampoline_address): Likewise.
14240 (prepare_function_start): Clear field inlinable of current_function.
14241 (init_function_for_compilation): New function.
14242 (expand_dummy_function_end): New function.
14243 (expand_function_end): Call finish_expr_for_function.
14244 * function.h (struct emit_status): New; fields moved here from struct
14245 function and from global variables. Add accessor macros for some of
14247 (struct expr_status): Likewise.
14248 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14249 (struct function): Add fields expr and emit, inlinable, inl_emit,
14250 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14251 inl_max_label_num. Add many comments.
14252 Add accessor macros for all elts of struct function that no longer
14253 have a global variable.
14254 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14255 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14256 stack_slot_list): Delete declarations.
14257 (get_func_frame_size): Declare.
14258 (save_expr_status, restore_expr_status, save_emit_status,
14259 save_storage_status, restore_storage_status): Delete declarations.
14260 (init_virtual_regs): Declare.
14261 * output.h (current_function_pops_args,
14262 current_function_returns_struct, current_function_returns_pcc_struct,
14263 current_function_needs_context, current_function_calls_setjmp,
14264 current_function_calls_longjmp, current_function_calls_alloca,
14265 current_function_has_nonlocal_label, current_function_varargs,
14266 current_function_has_computed_jump, current_function_returns_pointer,
14267 current_function_contains_functions, current_function_args_size,
14268 current_function_pretend_args_size, current_function_stdarg,
14269 current_function_outgoing_args_size, current_function_args_info,
14270 current_function_name, current_function_return_rtx,
14271 current_function_epilogue_delay_list,
14272 current_function_uses_const_pool, current_function_cannot_inline):
14273 Delete declarations.
14274 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14275 regno_reg_rtx): Delete declaration.
14276 (REGNO_POINTER_FLAG): Delete macro.
14277 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14278 function were renamed.
14279 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14281 * toplev.c: Include "function.h".
14282 (current_function_decl): Delete declaration.
14283 (compile_file): Call init_dummy_function_start and
14284 expand_dummy_function_end around some initializations that need to
14286 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14287 Call init_function_for_compilation.
14288 * unroll.c: Include "function.h"
14289 (unroll_loop): Access regno_pointer_* variables through
14292 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14293 (DECL_SAVED_INSNS): use it.
14294 (expand_dummy_function_end): Declare.
14295 (init_function_for_compilation): Declare.
14296 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14297 that it's no longer an INLINE_HEADER.
14298 (expand_call): Likewise.
14299 * integrate.c (finish_inline): Delete function.
14300 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14301 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14302 args. Don't generate an INLINE_HEADER rtx, just return the arg
14303 vector. All callers changed.
14304 (save_for_inline_copying): Create a duplicate struct emit_status to
14305 hold the emit state for compiling the current function. Use this and
14306 the other new fields in struct function that are for integration
14307 instead of an INLINE_HEADER.
14308 Use memcpy instead of bcopy.
14309 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14310 (save_for_inline_nocopy): Similar changes, except no new emit_status
14312 (expand_inline_function): Get information from function structure,
14313 not from an inline header rtx.
14314 (output_inline_function): Lose code to extract the necessary
14315 information from an inline header; simply put back the function
14316 structure into current_function. Clear its inlinable elt.
14317 * rtl.def (INLINE_HEADER): Delete.
14318 * rtl.h: Delete all accessors for an INLINE_HEADER.
14319 (gen_inline_header_rtx): Delete declaration.
14320 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14321 Delete declarations.
14322 (REGNO_POINTER_ALIGN): Delete.
14323 (clear_emit_caches): Declare.
14324 (set_new_last_label_num): Declare.
14326 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14328 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14330 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14331 * stmt.c (is_eh_region): Make sure current_function is present, too.
14333 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14335 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14336 for 64bit PA targets.
14338 * pa.h (SELECT_SECTION): Define.
14339 * som.h (SELECT_SECTION): Delete.
14341 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14343 * alias.c (init_alias_analysis): Wrap call to
14344 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14346 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14348 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14349 <sys/asm.h> contains an asm comment with an apostrophe
14350 * fixinc/inclhack.sh: regen
14351 * fixinc/fixincl.x: regen
14353 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14355 * function.c (init_function_start): Clear prologue & epilogue.
14356 (prologue_epilogue_contains): New function.
14357 * alias.c (init_alias_analysis): Use it.
14358 * rtl.h (prologue_epilogue_contains): Declare it.
14360 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14362 * jump.c (onlyjump_p): New function.
14363 * rtl.h: Declare it.
14364 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14365 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14367 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14369 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14370 to invert loops. Simplify block scanning.
14372 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14374 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14375 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14377 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14379 * config/sparc/liteelf.h: New file to support sparclite-elf target
14380 * config/sparc/t-sp86x: New file to support sparc86x targets
14381 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14382 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14383 * configure.in: Support above target triplets
14384 * configure: Regenerated
14386 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14388 * fixinc/server.c (server_setup): Do not prefix function used as
14389 parameter with `&'.
14391 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14393 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14394 Remove fp reg alternatives.
14396 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
14398 * Makefile.in (TAROUTOPTS): Kill.
14399 (install-headers-tar): Use "xpf" for tar headerfile extraction
14400 * i370/x-oe (TAROUTOPTS): Delete.
14401 * m68k/x-apollo68 (TAROUTOPTS): Delete.
14402 * m68k/x-hp320 (TAROUTOPTS): Delete.
14403 * m68k/x-hp320g (TAROUTOPTS): Delete.
14404 * gcc.texi: Update bug reporting text.
14406 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14408 * reg-stack.c (change_stack) Fixed problem with negative array index.
14410 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
14412 * extend.texi, install.texi: Fix spelling mistakes.
14414 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
14415 (s-attrtab); No longer try to use pre-made insn-attrtab file.
14416 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
14417 PREMADE_ATTRTAB_MD.
14418 * mips/t-ecoff: Likewise.
14419 * mips/t-elf: Likewise.
14420 * mips/t-mips: Likewise.
14421 * mips/t-osfrose: Likewise.
14422 * mips/t-r3900: Likewise.
14423 * mips/t-svr3: Likewise.
14424 * mips/t-svr4: Likewise.
14425 * mips/t-ultrix: Likewise.
14427 * gcc.texi: Document recommend means to provide software floating
14428 point libraries in libgcc.a
14430 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
14432 * c-lex.c (yylex): We can have a number with no digits.
14434 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
14436 * jump.c (delete_prior_computation): New function, broken
14437 out of delete_computation. Check for side effects with
14438 side_effects_p instead of FIND_REG_INC_NOTE. Handle
14439 multi-word hard registers.
14440 (delete_computation): Use it. Check for side effects with
14441 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
14442 missing REG_DEAD note for a register which is both set and
14445 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
14447 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
14448 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
14449 (ASM_FILE_START): Import _mcount with the right type.
14450 (ASM_DECLARE_FUNCTION_NAME): Define.
14451 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14452 * pa.c (output_function_prologue): Always emit the function's label
14454 * pa.h (TEXT_SPACE_P): Define.
14455 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14456 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
14457 * som.h (TEXT_SPACE_P): Delete.
14458 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14459 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
14461 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
14463 * expr.c (emit_group_load): Allow src to be a CONCAT.
14465 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14467 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
14468 (___mulsi3): Use '!' comment character.
14470 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14472 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
14474 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
14476 * gcc.c: Update URLs and mail addresses.
14477 * gcc.texi: Likewise.
14479 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
14481 * rs6000.c (current_file_function_operand): Return zero for
14483 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
14485 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
14488 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
14490 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
14491 allocate space in the stack frame for the PIC register.
14493 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
14495 * m68k.md (xordi3, anddi3): These patterns are not available on
14498 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
14500 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
14501 (PUT_REAL): Likewise.
14503 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14505 * final.c (shorten_branches): Don't add an alignment for loops
14506 that have no label inside.
14508 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14510 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
14511 prototypes in macro HAVE_cmpstrsi.
14513 * cpplib.c (cpp_get_token): Remove unused label `op3'.
14515 * emit-rtl.c (operand_subword): Remove unused variable
14518 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
14520 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
14522 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
14524 * cpphash.c (macroexpand): Delete leading whitespace when arg
14525 is concatenated before.
14526 (unsafe_chars): Correct test for whether + and - can extend a
14529 * cppinit.c (cpp_start_read): Do dependencies for
14530 -include/-imacros files also.
14532 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
14533 tokenizing non-directive lines.
14534 (cpp_expand_to_buffer): Temporarily disable no-output mode.
14535 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
14538 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
14540 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
14542 * c-lex.c: Sync with C++ frontend.
14543 (linemode): New variable.
14544 (parse_float): imag, conversion_errno, and type are output only.
14545 (yylex): Adjust. Move initial '.' case into main switch.
14547 (handle_generic_pragma): Just deal with tokens.
14548 (readescape): Use ISXDIGIT and ISGRAPH.
14549 * c-parse.in: Add END_OF_LINE token.
14551 * c-lex.c (lang_init): Generalize.
14552 (nextchar): Remove. Replace uses with UNGETC.
14553 (skip_white_space): Handle linemode here. Optimize for cpplib.
14554 (skip_white_space_on_line): Remove.
14555 (extend_token_buffer_to): New fn.
14556 (extend_token_buffer): Use it.
14557 (read_line_number, check_newline): Just deal with tokens.
14558 (token_getch, token_put_back): New fns.
14559 (yylex): Use them. More cpplib optimizations. Simplify.
14561 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14562 Jason Merrill <jason@yorick.cygnus.com>
14564 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
14565 (consume_string): Make this smart about USE_CPPLIB.
14566 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
14567 (yylex): Rewrite to be intelligent about USE_CPPLIB.
14568 Also, clean up cases where we redundantly set token_buffer[0].
14569 (read_line_number): New fn.
14570 (ignore_escape_flag): New variable.
14572 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
14574 * a29k/t-a29kbare: Fix some comments.
14575 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
14576 (FPBIT, DPBIT): Define.
14577 * a29k/t-vx29k: Likewise.
14578 * arc/t-arc: Likewise.
14579 * arm/t-arm-elf: Likewise.
14580 * arm/t-bare: Likewise.
14581 * arm/t-pe: Likewise.
14582 * arm/t-pe-thumb: Likewise.
14583 * arm/t-semi: Likewise.
14584 * arm/t-thumb: Likewise.
14585 * arm/t-thumb-elf: Likewise.
14586 * arm/t-thumb-linux: Likewise.
14587 * h8300/t-h8300: Likewise.
14588 * i960/t-i960: Likewise.
14589 * i960/t-vxworks960: Likewise.
14590 * m32r/t-m32r: Likewise.
14591 * mips/t-ecoff: Likewise.
14592 * mips/t-elf: Likewise.
14593 * mips/t-r3900: Likewise.
14594 * pa/t-pro: Likewise.
14595 * rs6000/t-aix43: Likewise.
14596 * rs6000/t-beos: Likewise.
14597 * rs6000/t-newas: Likewise.
14598 * rs6000/t-ppccomm: Likewise.
14599 * rs6000/t-rs6000: Likewise.
14600 * rs6000/t-winnt: Likewise.
14601 * rs6000/t-xnewas: Likewise.
14602 * rs6000/t-xrs6000: Likewise.
14603 * sh/t-sh: Likewise.
14604 * sparc/t-elf: Likewise.
14605 * sparc/t-sparcbare: Likewise.
14606 * sparc/t-sparclite: Likewise.
14607 * sparc/t-splet: Likewise.
14608 * v850/t-v850: Likewise.
14609 * mn10200/t-mn10200: Fix comments.
14610 * mn10300/t-mn10300: Likewise.
14612 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
14613 dummy operand. Allocate a new pseudo for the dummy operand.
14614 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
14616 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
14618 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
14620 * configure: Rebuilt.
14621 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
14623 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
14625 * recog.c (preproces_constraints): Zero recog_op_alt before
14626 processing the constraints.
14628 * arm.c (typedef minipool_node): Renamed from pool_node.
14629 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
14630 (add_minipool_constant): New function.
14631 (dump_minipool): New function.
14632 (find_barrier): Remove special case for getting the insn size of
14633 an insn that references the constant pool.
14634 (minipool_fixup): New structure.
14635 (push_minipool_barrier): New function.
14636 (push_minipool_fix): New function.
14637 (note_invalid_constants): New function.
14638 (add_pool_constant, dump_table, fixit, broken_move): Delete.
14639 (arm_reorg): Rewrite code to fix up the constant pool into a
14640 series of mini-pools embedded in the insn stream.
14641 (arm_output_epilogue): New function, made mainly from the body
14642 of output_func_epilogue.
14643 (output_func_epilogue): Move insn generation part of epilogue code
14644 to arm_output_epilogue.
14645 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
14646 * arm.md (pool_range): New attribute.
14647 (zero_extendqidi2): Add attribute pool_range.
14648 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
14649 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
14650 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
14651 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
14652 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
14653 (epilogue): New expand.
14654 (epilogue_insn): New insn. Call arm_output_epilogue.
14656 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
14657 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
14659 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
14661 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14663 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
14665 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
14667 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
14669 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
14671 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
14673 * global.c: Fix comment.
14675 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
14677 * gcc.c (access_check): New static function.
14678 (find_a_file): Use it when searching a directory list.
14679 * collect2.c (find_a_file): Don't accept directories found when
14680 searching a directory list.
14682 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
14684 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
14685 function parameters with `&'.
14686 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
14688 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
14690 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
14691 or tidy_fallthru_edge if the last insn in the block is not
14692 an unconditional jump or a simple conditional jump.
14694 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14696 * Makefile.in (c-decl.o): Depends on defaults.h.
14698 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
14700 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
14702 (CLASS_MAX_NREGS): Likewise.
14704 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
14706 * cse.c (cse_insn): Fix dumb thinko in last change.
14708 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14710 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
14713 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
14715 * dwarf2out.c (add_location_or_const_value_attribute): Correct
14716 test for sizes of passed and declared parameter types.
14718 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14720 * fixincludes: Fix the return type of bsearch, char* -> void*.
14722 * fixinc/inclhack.def: Likewise.
14724 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
14726 * invoke.texi (-fdump-translation-unit): New option.
14728 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
14730 * expr.h (PROMOTE_PROTOTYPES): Move ...
14731 * defaults.h: ... to here.
14732 * c-decl.c: Include defaults.h instead of expr.h.
14733 * c-typeck.c: Include defaults.h.
14735 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
14737 * toplev.h (errorcount): Declare.
14738 (warningcount): Likewise.
14739 (sorrycount): Likewise.
14740 * c-lex.c (errorcount): Don't declare.
14741 * dwarf2out.c (errorcount): Don't declare.
14743 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
14745 * config/libgloss.h: Add a note discouraging use with ELF.
14746 * configure.in: Don't use libgloss.h for ELF targets.
14747 Always use_collect2 on a.out targets.
14749 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
14751 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
14752 (force_to_mode, case ASHIFTRT): Add shiftrt label.
14754 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14756 * loop.c (strength_reduce): When doing biv->giv conversion, update
14757 reg note of NEXT->insn.
14759 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14761 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
14763 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14765 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
14766 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
14767 Ensure expr.h is included.
14768 * c-typecheck.c (convert_arguments): Ditto.
14770 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
14772 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
14773 * config/convex/convex.h: Ditto.
14774 * config/dsp16xx/dsp16xx.h: Ditto.
14775 * config/fx80/fx80.h: Ditto.
14776 * config/gmicro/gmicro.h: Ditto.
14777 * config/i370/i370.h: Ditto.
14778 * config/i386/i386.h: Ditto.
14779 * config/m32r/m32r.h: Ditto.
14780 * config/m68k/m68k.h: Ditto.
14781 * config/m88k/m88k.h: Ditto.
14782 * config/mips/mips.h: Ditto.
14783 * config/pa/pa.h: Ditto.
14784 * config/pyr/pyr.h: Ditto.
14785 * config/tahoe/tahoe.h: Ditto.
14786 * config/we32k/we32k.h: Ditto.
14788 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
14789 based on arch size.
14791 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
14793 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
14796 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
14798 1999-08-02 Richard Henderson <rth@cygnus.com>
14800 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
14801 for the register spill block.
14802 (m32r_va_arg): New.
14803 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
14804 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
14806 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
14807 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
14808 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
14810 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14812 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
14813 MAX_WCHAR_TYPE defined in sparc.h.
14814 * config/sparc/linuxaout.h: Likewise.
14815 * config/sparc/linux64.h: Likewise.
14816 Also default to -mvis if CPU is UltraSPARC.
14818 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14820 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
14821 (RTX_OK_FOR_OLO10): Likewise.
14822 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
14823 %lo(), allow it in addresses...
14824 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
14825 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
14826 does not make sense.
14827 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
14828 (sparc_output_scratch_registers): New function.
14829 (output_function_prologue, sparc_flat_output_function_prologue): Use
14831 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
14833 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
14834 * configure.in: Add check for .register pseudo-op support in as and
14835 check for offsetable %lo().
14836 * acconfig.h: Add templates for the above checks.
14837 * configure: Regenerate.
14839 1999-08-02 Richard Henderson <rth@cygnus.com>
14841 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
14842 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
14843 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
14845 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14847 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
14850 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
14852 * config/float-sparc.h: New file.
14853 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
14854 sparc-*-linux-gnu and sparc64-*-linux*.
14856 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14858 * rs6000.c (rs6000_va_list): Type is an array.
14859 (rs6000_va_start): Don't doubly adjust for varargs.
14860 (rs6000_va_arg): Evaluate long long GPR adjustment.
14862 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
14864 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
14865 -maix64 and -maix32.
14866 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
14867 LINK_SPEC): Change appropriately.
14868 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
14869 (u_short_cint_operand): Likewise.
14870 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
14872 * rs6000/t-aix43 (MULTILIB): Change to -m64.
14874 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
14876 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
14878 * rs6000/rs6000.c (num_insns_constant_wide): Correct
14879 for type promotion.
14880 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
14881 (non_add_cint_operand): Likewise.
14882 (logical_operand): Likewise.
14883 (non_logical_cint_operand): Likewise.
14884 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
14885 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
14886 (rs6000_select_rtx_section): Suppress warning.
14887 (small_data_operand): Suppress warning.
14888 (rs6000_got_register): Suppress warning.
14889 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
14890 type, so `J' is generally the wrong constraint for a SImode value;
14892 (andsi3_internal2): Likewise.
14893 (andsi3_internal3): Likewise.
14894 (iorsi3_internal1): Likewise.
14895 (xorsi3_internal1): Likewise.
14897 (movsf_softfloat): Likewise.
14898 (scc insns): Likewise.
14899 (movsi+2): Preserve sign bits of SImode constant.
14900 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
14901 (movdf+1): Sign-extend properly.
14902 (movdi_32+1): Sign-extend properly.
14903 (scc insns): Sign-extend properly.
14905 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
14908 1999-08-02 Richard Henderson <rth@cygnus.com>
14910 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
14911 -mcpu parsing code.
14912 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
14913 * alpha.md (all fp insns): Likewise.
14915 1999-08-02 Nick Clifton <nickc@cygnus.com>
14917 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
14920 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
14922 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
14923 pic_load_label generator directly.
14924 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
14925 No longer a named pattern.
14927 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
14929 * explow.c (force_reg): Call force_operand if X does not
14930 satisfy general_operand.
14932 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
14934 * fix-header.c (main): When testing for CONTINUED, use string
14935 equality, not pointer equality.
14937 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
14939 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
14941 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
14943 * cse.c (cse_insn): Fix loop which deletes insns after a jump
14944 that has become an unconditional jump.
14946 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
14947 (output_function_epilogue): Similarly.
14949 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14951 * tree.h (init_dummy_function_start): Declare.
14953 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14955 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
14956 last_expr_type, last_expr_value, block_start_count, block_stack,
14957 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
14958 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
14959 dynamically in stmt elt of struct function for each function.
14960 (struct nesting): Rename function_call_count elt to n_function_calls,
14961 target_temp_slot_level to block_target_temp_slot_level. All users
14963 (struct stmt_status): New structure definition.
14964 Add many accessor macros for stmt_status elements which previously
14965 were global variables.
14966 (init_stmt_for_function): Allocate stmt elt for current_function.
14967 Reflect that block_start_count was renamed to
14968 current_block_start_count.
14969 (save_stmt_status, restore_stmt_status): Delete functions.
14970 (preserve_subexpressions_p): Don't access loop_stack when outside
14972 (expand_start_bindings): Reflect that block_start_count was renamed to
14973 current_block_start_count.
14974 (expand_fixup): Likewise.
14975 (expand_decl): Don't access block_stack when outside a function.
14976 (expand_decl_cleanup): Likewise.
14977 (expand_dcc_cleanup): Likewise.
14978 (expand_dhc_cleanup): Likewise.
14979 (expand_anon_union_decl): Likewise.
14980 (set_file_and_line_for_stmt): New function.
14981 (in_control_zone_p): New function.
14983 * function.h (struct function): Add new elt stmt.
14984 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
14985 case_stack, nesting_stack, nesting_depth, block_start_count,
14986 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
14987 emit_lineno, goto_fixup_chain.
14988 (save_eh_status, restore_eh_status, save_stmt_status,
14989 restore_stmt_status): Delete declarations.
14990 * function.c (push_function_context_to): Don't call save_stmt_status.
14991 (pop_function_context_to): Don't call restore_stmt_status.
14992 * tree.h (in_control_zone_p): Declare.
14993 * rtl.h (set_file_and_line_for_stmt): Declare.
14995 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
14996 call set_file_and_line_for_stmt.
14998 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15000 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15001 Also update copyright.
15003 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15005 * c-pragma.c: Don't include "except.h".
15006 * emit-rtl.c: Likewise.
15007 * stor-layout.c: Likewise.
15008 * tree.c: Likewise.
15009 * varasm.c: Likewise.
15011 * flow.c: Include "function.h".
15012 * tree.h (init_dummy_function_start): Declare new function.
15014 * except.h (struct eh_status): New structure.
15015 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15017 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15018 catch_clauses, false_label_stack, caught_return_label_stack,
15019 protect_list, current_function_ehc): Add accessor macros for the
15020 corresponding fields in current_function->eh; delete declarations
15021 for all items that used to be declared here.
15022 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15023 catch_clauses, false_label_stack, caught_return_label_stack,
15024 protect_list, current_function_ehc): Delete variables.
15025 (init_eh_for_function): Allocate current_function->eh.
15026 (save_eh_status, restore_eh_status): Delete functions.
15028 * function.h (struct function): Add fields next_global and eh.
15029 Delete all exception handling related fields.
15030 * function.c (current_function): New variable.
15031 (all_functions): New variable.
15032 (push_function_context_to): Don't allocate a struct function,
15033 use current_function instead. Call init_dummy_function_start when
15034 outside a function. Clear current_function before returning.
15035 (pop_function_context_from): Restore current_function.
15036 Don't free the restored struct function.
15037 (prepare_function_start): New function.
15038 (init_dummy_function_start): New function.
15039 (init_function_start): Break out some code into prepare_function_start
15042 * stmt.c (save_stmt_status): Don't call save_eh_status.
15043 (restore_stmt_status): Don't call restore_eh_status.
15045 * Makefile.in: Update dependencies.
15047 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15049 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15050 of depending on a magic constant value. Update comments.
15051 (hppa_expand_prologue): Similarly.
15053 * pa.md (reload_indi, reload_outdi): Allow any register for the
15054 original reload register.
15056 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15058 * cccp.c (print_help): Change marcos to macros.
15060 1999-07-30 Richard Henderson <rth@cygnus.com>
15062 * c-typeck.c (initializer_constant_valid_p): Move ...
15063 * c-common.c (initializer_constant_valid_p): ... here. Use
15064 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15065 of label addresses.
15066 * c-common.h (initializer_constant_valid_p): Declare.
15067 * c-tree.h (initializer_constant_valid_p): Remove.
15069 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15071 * config/i386/sol2-c1.asm: Align the stack.
15072 * config/i386/sol2-gc1.asm: Likewise.
15074 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15076 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15077 -Asparclite for sparc86x.
15078 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15080 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15082 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15084 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15085 the user if using the non-default arch size in BI_ARCH configuration.
15086 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15088 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15089 Fix patterns so that they actually match.
15090 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15091 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15092 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15094 (mulsidi3): Reflect this in the expand.
15095 (smulsi3_highpart): Only on TARGET_ARCH32.
15096 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15097 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15098 (umulsidi3): Reflect this in the expand.
15099 (umulsi3_highpart): Only on TARGET_ARCH32.
15100 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15101 don't require g0 to be zero.
15102 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15103 ({,u}divsi3): New expands.
15104 ({,u}divsi3_sp64): New patterns.
15105 (after lshrdi3_v8plus): Four new patterns to help combiner
15106 optimizing nested mixed mode shifts.
15108 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15109 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15110 speed things up. Don't use them by default on plain v9 in 64bit
15111 mode, according to what SPAMv9 sais.
15113 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15114 top 32 bits of %[og][0-7] in signal handlers.
15115 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15117 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15119 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15120 (ashlsi3): Corresponding changes.
15122 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15124 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15126 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15128 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15130 * arm.h (Hint): Delete macro.
15131 Substitute HOST_WIDE_INT for Hint in some prototypes.
15132 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15134 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15136 * builtins.c (expand_builtin_setjmp): Use force_operand to
15137 make sure that the buffer address is in a suitable form to be
15138 passed to force_reg.
15140 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15142 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15145 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15147 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15148 proper mode in the condition string.
15149 (icacheflush, dcacheflush): Remove modes from match_operands.
15151 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15152 proper mode before using it.
15154 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15157 * pa.c (store_reg): Do not call add_high_const generator directly.
15158 (load_reg, set_reg_plus_d): Likewise.
15159 * pa.md (add_high_const): No longer a named pattern.
15161 * pa.c (legitimize_address): Consistently use Pmode rather than
15162 SImode. Do not call gen_pic2_highpart directly anymore.
15163 * pa.md (pic2_highpart): No longer a named pattern.
15164 (pic2_lo_sum): Similarly. Reformat to make more readable.
15166 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15171 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15173 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15175 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15177 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15178 and tag the spill mems.
15179 (hppa_va_start): New.
15180 (hppa_va_arg): New.
15181 * pa.h (EXPAND_BUILTIN_VA_START): New.
15182 (EXPAND_BUILTIN_VA_ARG): New.
15184 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15186 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15187 and tag the spill mems.
15188 (mn10300_va_start): New.
15189 (mn10300_va_arg): New.
15190 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15191 (EXPAND_BUILTIN_VA_ARG): New.
15193 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15195 * mn10200.c (mn10200_va_arg): New.
15196 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15198 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15200 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15201 rather than play with TREE_INT_CST_LOW.
15203 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15205 * config/arm/telf.h: Include dbxelf.h.
15206 (CPP_PREDEFINES): Only define if not already defined.
15207 (ASM_IDENTIFY_GCC): Likewise.
15208 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15209 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15210 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15212 (DBX_DEBUGGING_INFO): Don't define.
15213 * config/arm/linux-telf.h: New file.
15214 * config/arm/linux-tgas.h: New file.
15215 * config/arm/t-thumb-linux: New file.
15216 * config/arm/uclinux-elf.h: New file.
15217 * config/arm/uclinux-telf.h: New file.
15218 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15219 thumb-*-uclinux): New targets.
15220 * configure: Regenerate.
15222 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15224 * pa.md (post_store, pre_load): New expanders.
15225 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15226 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15227 need to directly generate RTL for them.
15228 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15231 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15233 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15234 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15235 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15236 (secndary_reload_class): Make TARGET_ELF conditional compile.
15237 (print_operand_address): Similar.
15238 (output_toc): Print all values as hex.
15239 (get_issue_rate): Rearrange and add RS64A and PPC630.
15240 * rs6000.h (processor_type): Add RS64A and PPC630.
15241 (PROCESSOR_POWERPC64): New.
15242 (PROMOTE_MODE): Use word_mode.
15243 (RTX_COSTS): Add RS64A and PPC630.
15244 * rs6000.md (scheduling information): Add lmul and ldiv
15245 representing 64-bit integer multiply and divide. Add rs64a and
15246 PPC630 information.
15247 (ashldi3): Add support for "rldic" instruction.
15248 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15250 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15252 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15253 instead of V8 for sparclite86x in cpu_table.
15255 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15257 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15258 output_file_directive.
15260 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15262 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15263 tree for op1, not the rtl.
15265 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15267 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15268 to m88k_va_start, leaving only the register spill.
15269 (m88k_build_va_list): New.
15270 (m88k_va_start): New.
15271 (m88k_va_arg): New.
15272 * m88k.h (BUILD_VA_LIST_TYPE): New.
15273 (EXPAND_BUILTIN_VA_START): New.
15274 (EXPAND_BUILTIN_VA_ARG): New.
15276 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15278 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15279 Rename from expand_builtin_saveregs.
15280 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15282 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15284 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15285 for the register spill block.
15286 (i960_build_va_list): New.
15287 (i960_va_start): New.
15288 (i960_va_arg): New.
15289 * i960.h (BUILD_VA_LIST_TYPE): New.
15290 (EXPAND_BUILTIN_VA_START): New.
15291 (EXPAND_BUILTIN_VA_ARG): New.
15292 * i960.md (store_multiple): Use change_address on individul mems.
15294 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15296 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15298 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15299 (expand_builtin_va_end): Evaluate arg for side effects.
15300 * c-common.c (c_common_nodes_and_builtins): Construct a
15301 va_list_arg_type_node to handle array decomposition to pointer.
15303 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15305 * except.c (start_dynamic_cleanup): Use force_operand on the
15308 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15310 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15311 * c4x.c (c4x_va_arg): New.
15313 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15315 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15316 has manual_pop set.
15318 1999-07-26 Nathan Sidwell <nathan@acm.org>
15320 * eh-common.h (__eh_matcher): Prototype correctly.
15322 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15324 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15325 (TARGET_SINGLE_PIC_BASE): Likewise.
15326 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15328 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15329 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15330 (TARGET_OPTIONS): Add -mpic-register=N.
15331 (OUTPUT_INT_ADDR_CONST): New macro.
15332 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15333 LEGITIMATE_PIC_OPERAND_P): Likewise.
15334 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15335 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15336 output_addr_const directly.
15337 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15339 (thumb_pic_register, thumb_pic_register_string): Declare.
15341 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15343 (label_mentioned_p): New function: Imported from arm.c.
15344 (legitimize_pic_address): New function: Imported from arm.c.
15345 (is_pic):New function: Imported from arm.c.
15346 (thumb_finalize_pic):New function: Imported from arm.c.
15347 (add_constant): Cope with PIC constants.
15348 (fixit): Cope with PIC constants.
15349 (output_return): Do not treat the PIC register as live if
15350 TARGET_SINGLE_PIC_BASE is true.
15351 (thumb_function_prologue): Do not treat the PIC register as live if
15352 TARGET_SINGLE_PIC_BASE is true.
15353 (thumb_expand_prologue): Do not treat the PIC register as live if
15354 TARGET_SINGLE_PIC_BASE is true.
15355 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15356 TARGET_SINGLE_PIC_BASE is true.
15357 (thumb_print_operand): Accept '|'.
15358 (thumb_override_options): Process PIC options.
15360 * config/arm/thumb.md (movsi): Support PIC.
15361 (call_insn): Change "i" constraint to "X".
15362 (call_value_insn): Likewise.
15363 (consttable_4, consttable_8, consttable_end): Set and clear
15364 "making_const_table" as appropriate.
15365 (pic_load_addr, pic_add_dot_plus_four): New insns.
15367 * invoke.texi (Thumb Options): Fix spelling. Document new
15368 options -msingle-pic-base and -mpic-register=.
15370 1999-07-26 Andrew Haley <aph@cygnus.com>
15372 * config/m32r/initfini.c (__init): Use a full word immediate for
15373 __fini: this allows it to be placed in any memory region.
15375 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15376 -mmodel=medium. This is OK for all memory models.
15378 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15380 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15381 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15383 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15385 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15388 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15390 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15392 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15393 (BUILD_VA_LIST_TYPE): New.
15394 (EXPAND_BUILTIN_VA_START): New.
15395 (EXPAND_BUILTIN_VA_ARG): New.
15396 * i860.c (output_delayed_branch): Disable.
15397 (output_delay_insn): Likewise.
15398 (i860_saveregs): New.
15399 (i860_build_va_list): New.
15400 (i860_va_start): New.
15401 (i860_va_arg): New.
15402 * i860.md: Disable all peepholes using output_delayed_branch.
15403 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
15405 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
15407 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
15408 (BUILD_VA_LIST_TYPE): New.
15409 (EXPAND_BUILTIN_VA_START): New.
15410 (EXPAND_BUILTIN_VA_ARG): New.
15411 * clipper.c (clipper_builtin_saveregs): Only dump registers.
15412 Return the address of the save area.
15413 (clipper_build_va_list): New.
15414 (clipper_va_start): New.
15415 (clipper_va_arg): New.
15417 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
15419 * arc.h (EXPAND_BUILTIN_VA_START): New.
15420 (EXPAND_BUILTIN_VA_ARG): New.
15421 * arc.c (arc_setup_incoming_varargs): Set alias set of
15423 (arc_va_start): New.
15426 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
15428 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
15429 (BUILD_VA_LIST_TYPE): New.
15430 (EXPAND_BUILTIN_VA_START): New.
15431 (EXPAND_BUILTIN_VA_ARG): New.
15432 * alpha.c (alpha_builtin_saveregs): Delete.
15433 (alpha_build_va_list): New.
15434 (alpha_va_start): New.
15435 (alpha_va_arg): New.
15437 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
15439 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
15441 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
15442 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
15444 * gcc.texi: More changes related to list conversion.
15445 * invoke.texi: Likewise.
15447 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
15449 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
15450 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
15451 (expand_builtin_next_arg): Accept ARGLIST not EXP.
15452 (stabilize_va_list): New function.
15453 (std_expand_builtin_va_start): New function.
15454 (expand_builtin_va_start): New function.
15455 (get_varargs_alias_set): New function.
15456 (std_expand_builtin_va_arg): New function.
15457 (expand_builtin_va_arg): New function.
15458 (expand_builtin_va_end): New function.
15459 (expand_builtin_va_copy): New function.
15460 (expand_builtin): Call them.
15461 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
15462 __builtin_{varargs_start,stdarg_start,end,copy}.
15463 (build_va_arg): New function.
15464 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
15465 (build_va_arg): Declare.
15466 * c-decl.c (ptr_type_node, va_list_type_node): New.
15467 * c-parse.gperf (__builtin_va_arg): New.
15468 * c-parse.in (VA_ARG): New token.
15469 (unary_expr): Recognize it.
15470 * expr.c (expand_expr): Expand VA_ARG_EXPR.
15471 * expr.h (std_expand_builtin_va_start): Declare.
15472 (std_expand_builtin_va_arg): Declare.
15473 (expand_builtin_va_arg): Declare.
15474 (get_varargs_alias_set): Declare.
15475 * tree.def (VA_ARG_EXPR): New.
15476 * tree.h (BUILT_IN_VARARGS_START): New.
15477 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
15478 (ptr_type_node, va_list_type_node): Declare.
15479 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
15480 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
15481 * m88k.h, m88k.c: Likewise.
15482 * mn10300.h, mn10300.c: Likewise.
15483 * pa.h, pa.c: Likewise.
15484 * rs6000.h, rs6000.c: Likewise.
15485 * sh.h, sh.c: Likewise.
15486 * sparc.h, sparc.c: Likewise.
15488 * emit-rtl.c (operand_subword): Copy alias set.
15489 (change_address): Likewise.
15491 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
15493 * pa.c (compute_frame_size): Scan all the used callee saved registers,
15494 not just the first one.
15496 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
15498 * config/arm/arm.h (TARGET_SWITCHES): Add
15499 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
15500 (TARGET_OPTIONS): Add -mpic-register=.
15501 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
15502 (arm_pic_register_string): Declare.
15503 (NEED_PLT_GOT): Delete, replace with ...
15504 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
15505 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
15506 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
15507 * config/arm/arm.c (arm_override_options): Add new option
15509 (arm_pic_register_string): New variable.
15510 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
15511 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
15512 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
15513 (output_return_instruction): Likewise.
15514 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
15515 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
15516 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
15518 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
15519 mention of -msched-prolog. Document new options -msingle-pic-base
15520 and -mpic-register=.
15522 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
15524 * haifa-sched.c (reemit_notes): Tidy.
15525 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
15528 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
15530 * explow.c (trunc_int_for_mode): New function.
15531 (plus_constant_wide): Use it.
15532 * combine.c (simplify_and_const_int): Likewise.
15533 (merge_outer_ops): Likewise.
15534 (simplify_shift_const): Likewise.
15535 * cse.c (simplify_unary_operation): Likewise.
15536 (simplify_binary_operation): Likewise.
15537 * emit-rtl.c (operand_subword): Likewise.
15538 * rtl.h: Declare it.
15540 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15542 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
15543 (use NUM_REGS instead of NUM_INTS).
15545 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15547 * builtins.c: New file.
15548 * expr.c (saveregs_value, apply_args_value): Delete definition,
15549 moved into builtins.c.
15550 (string_constant): No longer static.
15551 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
15552 apply_args_size, apply_result_size, result_vector,
15553 expand_builtin_apply_args, expand_builtin_apply,
15554 expand_builtin_return): Delete functions, moved into builtins.c.
15555 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
15556 * expr.h (saveregs_value, apply_args_value): Declare variables.
15557 (expand_builtin, string_constant): Declare functions.
15558 * Makefile.in: Update to build builtin.o.
15560 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15562 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
15563 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
15564 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
15565 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
15567 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
15570 1999-07-21 Michael Meissner <meissner@cygnus.com>
15572 * print-rtl.c (print_rtx): Print the names of the virtual
15575 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
15577 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
15578 introduced in previous delta.
15580 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15582 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
15583 to avoid name clash.
15585 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15587 * c-lex.c (yylex) : Correct the test for overflow when lexing
15590 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
15592 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
15593 (adjust_priority): Always call ADJUST_PRIORITY.
15594 (schedule_insn): Only put insns into the ready at cost 0.
15595 (schedule_block): Remove redundant initial sort. Give clock_var
15596 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
15598 * tm.texi (MD_SCHED_REORDER): Update docs.
15600 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
15601 * sparc.c (ultra_reorder_called_this_block): Delete.
15602 (ultrasparc_sched_init): Don't set it.
15603 (ultrasparc_sched_reorder): Don't check it.
15605 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
15607 * rs6000.h (struct rs6000_args): Add sysv_gregno.
15608 * rs6000.c (init_cumulative_args): Init sysv_gregno.
15609 (function_arg_boundary): Align DFmode.
15610 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
15611 to get fp reg and stack overflow correct.
15612 (function_arg): Likewise.
15613 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
15614 (setup_incoming_varargs): Restructure for ABI_V4; use
15615 function_arg_advance to skip final named argument.
15616 (expand_builtin_saveregs): Properly unskip the last integer arg
15617 when doing varargs. Adjust overflow location calculation.
15619 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
15620 explicitly unsigned.
15621 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
15622 (__VA_GP_REGSAVE): Similarly.
15623 (__va_longlong_p): Delete.
15624 (__va_arg_type_violation): New declaration.
15625 (va_arg): Restructure. Flag promotion errors. Align double.
15626 TFmode passed by reference.
15628 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
15629 in the HOST_BITS_PER_WIDE_INT > 32 case.
15631 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
15633 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
15635 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
15637 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
15638 * toplev.c (documented_lang_options): Add -fpreprocessed.
15639 * cpplib.h (struct cpp_buffer): Add preprocessed.
15640 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
15641 (cpp_start_read): Don't expand macros or emit an initial #line
15642 directive if -fpreprocessed.
15644 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15646 * cpplib.h (struct cpp_buffer): Added manual_pop for
15647 better C++ tokenization.
15648 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
15649 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
15650 * c-common.c (cpp_token): Make non-static.
15652 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15654 * c-common.h: New file.
15655 * c-common.c (permanent_obstack): Delete unused declaration.
15656 (c_global_trees): New array.
15657 (c_common_nodes_and_builtins): New function; split off common code
15658 from init_decl_processing in both c-decl.c and cp/decl.c.
15659 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
15660 c_global_trees and accessor macros defined in c-common.h.
15661 Include c-common.h.
15662 * c-decl.c: Delete definitions for tree nodes that were replaced by
15664 (init_decl_processing): Build void_list_node.
15665 Call c_common_nodes_and_builtins; delete code to generate the common
15667 * objc/objc-act.c (build_module_descriptor): Rename variable
15668 void_list_node to avoid clash with c-common.h.
15670 * Makefile.in: Update dependencies.
15671 * objc/Make-lang.in: Likewise.
15673 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
15675 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
15676 (UNIQUE_SECTION_P): Likewise.
15677 (UNIQUE_SECTION): Likewise.
15679 1999-07-19 Linas Vepstas <linas@linas.org>
15681 * config/i370/README: New file.
15682 * config/i370/linux.h: New file.
15683 * config/i370/mvs.h: New file.
15684 * config/i370/oe.h: New file.
15685 * config/i370/t-linux: New file.
15686 * config/i370/t-mvs: New file.
15687 * config/i370/t-oe: New file.
15688 * config/i370/x-oe: New file.
15689 * config/i370/xm-linux.h: New file.
15690 * config/i370/xm-mvs.h: New file.
15691 * config/i370/xm-oe.h: New file.
15693 * i370.c (label_node_t): Add first_ref_page, label_addr,
15694 label_first_ref, label_last_ref members.
15695 (mvs_need_base_reload): Renamed from mvs_label_emitted.
15696 (MAX_MVS_LABEL_SIZE): Define.
15697 (MAX_LONG_LABEL_SIZE): Define.
15698 (alias_node_t, alias_anchor, alias_number): New.
15699 (mvs_function_table): Reorder for EBCDIC.
15700 (ascebc, ebcasc): Unconditionally define.
15701 (i370_branch_dest, i370_branch_length): New functions.
15702 (i370_short_branch, i370_label_scan): New functions.
15703 (mvs_get_label): Renamed from mvs_add_label. Search for
15704 an existing label before creating a new one.
15705 (mvs_add_label): New function.
15706 (mvs_get_label_page): New function.
15707 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
15708 over the entire list.
15709 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
15710 (mvs_check_page) [TARGET_ELF_ABI]: New function.
15711 (mvs_add_alias, mvs_need_alias): New functions.
15712 (mvs_get_alias, mvs_check_alias): New functions.
15713 (handle_pragma): New function.
15714 (mvs_function_check): New function.
15715 (unsigned_jump_follows_p): Search harder.
15716 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
15717 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
15718 * i370.h (TARGET_VERSION): Delete.
15719 (CPP_SPEC, CPP_PREDEFINES): Delete.
15720 (mvs_label_emitted): Delete.
15721 (TARGET_EBCDIC): Delete.
15722 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
15723 (HANDLE_PRAGMA): Define.
15724 (HARD_REGNO_NREGS): Handle complex modes.
15725 (HARD_REGNO_MODE_OK): Likewise.
15726 (CLASS_MAX_NREGS): Likewise.
15727 (RET_REG): Likewise.
15728 (EXTRA_CONSTRAINT): Define.
15729 (RETURN_IN_MEMORY): True for DImode.
15730 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
15731 (FUNCTION_PROFILER): Delete.
15732 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
15733 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
15734 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
15735 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
15736 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
15737 (ASM_FILE_START): Add "RMODE ANY".
15738 (ASM_OUTPUT_EXTERNAL): Check for aliases.
15739 (ASM_GLOBALIZE_LABEL): Likewise.
15740 (ASM_OUTPUT_LABELREF): Likewise.
15741 (ASM_OUTPUT_COMMON): Likewise.
15742 (PRINT_OPERAND): Handle 'K', 'W', default.
15743 (PRINT_OPERAND_ADDRESS): New.
15744 (Lots of defines): Add support for TARGET_ELF_ABI.
15745 * i370.md (attr length): New. Define for all patterns.
15746 (*): Lots of tweeks to assembly output and constraints.
15748 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
15750 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
15751 Disable patterns performing SImode comparisons with SImode values
15752 if TARGET_POWERPC64 and instruction does not sign-extend or does
15753 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
15754 differ for signed quantities.
15755 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
15756 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
15757 (decrement_and_branch_on_count): Add 64-bit variant.
15759 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15761 * final.c (output_asm_insn): When searching for the matching string
15762 for a given dialect, don't run past the end of the list of
15763 alternatives if there are fewer alternatives in the template than
15766 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
15768 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
15769 Removed paragraph about compression of files and size limitation,
15770 duplicated in the FAQ. Use gcc-patches for posting patches.
15771 * gcc.c (main): Updated URL with bug reporting instructions to
15772 gcc.gnu.org. Removed e-mail address.
15773 * system.h (abort): Likewise.
15775 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15777 * Makefile.in (stmp-multilib-sub): Make the files extracted
15778 from $(LIBGCC1) writable.
15780 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
15782 * config/arm/aout.h: Reformat for improved readability.
15784 * config/arm/arm.h: Reformat for improved readability.
15785 Replace uses of fprintf with asm_fprintf where appropriate.
15786 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
15787 function declaration assembler actions.
15788 (NUM_INTS): New macro: Convert from bytes to words.
15789 (NUM_REGS): New macro: Compute number of registers required to
15790 hold a quanitity of tyep MODE.
15791 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
15793 (NUM_ARG_REGS): New macro: The number of argument registers
15795 (ARG_REGISTER): New macro: Compute the register number of the Nth
15797 (LAST_ARG_REGNUM): New macro: The number of the last argument
15799 (SP_REGNUM): New macro: Register number of the stack pointer.
15800 (FP_REGNUM): New macro: Register number of the frame pointer.
15801 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
15802 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
15803 CUMULATIVE_ARGS so that it counts registers not bytes.
15805 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
15807 Replace uses of fprintf with asm_fprintf where appropriate.
15808 (output_ascii_pseudo_op): Replace with version from thumb.c
15810 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
15812 * config/arm/elf.h (CPP_PREDEFINES): Replace with
15813 SUBTARGET_CPP_SPEC.
15814 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
15815 (ASM_FILE_START): Emit ASM_APP_OFF.
15817 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
15819 * pa.c (compute_frame_size): Round frame according to
15820 STACK_BOUNDARY rather than a hardwired value.
15822 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
15824 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
15826 * configure: Rebuilt.
15828 * configure.in (hppa*-*-linux*): New configuration.
15829 * configure: Rebuilt.
15830 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
15831 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
15832 * pa/pa-linux.h: New file.
15833 * pa/t-linux: New file.
15834 * pa/xm-linux.h: New file.
15836 * pa.c (hppa_legitimize_address): Change references from SImode to
15837 either Pmode or word_mode as appropriate.
15838 (emit_move_sequence, store_reg, load_reg): Likewise.
15839 (set_reg_plus_d, hppa_expand_prologue): Likewise.
15840 (output_mul_insn): Likewise.
15841 * pa.h (PROMOTE_MODE): Likewise.
15842 (INITIALZE_TRAMPOLINE): Likewise.
15843 (Pmode): Define to word_mode.
15845 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
15846 value of 4. Allocate 8 bytes for each FP register save.
15847 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
15849 (hppa_expand_prologue): Likewise.
15850 * pa.h (PROMOTE_MODE): Likewise.
15851 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
15852 (FUNCTION_ARG_BOUNDARY): Likewise.
15854 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
15856 * pa.c (out_of_line_prologue_epilogue): Delete.
15857 (override_options): Remove -mspace related code.
15858 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
15859 (compute_frame_size): Only allocate space for register that
15860 actually need to be saved.
15861 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
15862 (TARGET_SWITCHES): Remove -mspace, -mno-space
15863 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
15864 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
15865 * pa/ee.asm, pa/ee_fp.asm: Delete.
15867 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
15869 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
15870 directive in column zero.
15872 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
15874 * m68k.c (output_function_prologue): Fix computation of save mask
15875 when generating PIC code.
15877 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
15879 * tree.c (build_type_attribute_variant): Move current_obstack restore
15880 after build_qualified_type call.
15882 1999-07-15 Mark Mitchell <mark@codesourcery.com>
15884 * configure.in: Use t-iris6, even with GNU LD.
15885 * config/mips/iris6gld.h: Fix typo in linker spec.
15886 * config/mips/t-iris6gld: Remove.
15888 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
15890 * rs6000.md (insv, extzv): Remove SImode dependence in named
15891 patterns. Explicitly generate DImode RTL if PowerPC64 and
15893 (insvdi): Reverse start and size in instruction template.
15895 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
15897 * invoke.texi: Typo fixes.
15899 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
15901 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
15902 handle at this time instead of silently generating incorrect code.
15903 (gen_imagpart): Likewise.
15905 * reload.c (find_reloads): Emit a USE for a pseudo register without
15906 a hard register if we could not create an optional reload for the
15909 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15911 * c-typeck.c (output_init_element, process_init_element):
15912 When advancing constructor_unfilled_fields for a RECORD_TYPE,
15913 check for nameless bit fields.
15915 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
15917 * regclass.c (scan_one_insn): Notice subregs that change the
15918 size of their operand.
15919 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
15921 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
15923 * configure.in (alpha*-*-*): Include alpha/t-ieee.
15924 * configure: Rebuilt.
15925 * alpha/t-ieee: New file.
15927 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
15929 * rs6000.c (find_addr_reg): Do not select r0 as an address
15932 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
15934 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
15936 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
15938 * rs6000.md (movsf): Do not force easy FP constants into memory.
15940 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
15941 immed_double_const to ensure they are properly truncated then
15944 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15946 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
15947 always unless NO_DEBUG is used. Compile this code
15949 (replace_symbols_in_block): Compile it unconditionally.
15951 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
15953 * configure.in (i?86-*-elf*): New target.
15954 * configure: Rebuilt.
15955 * i386/i386elf.h, i386/t-i386elf: New files.
15957 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15959 * toplev.c (main): Don't complain about saying -gdwarf.
15960 (rest_of_compilation): Remove redundant code.
15962 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
15964 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
15966 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
15968 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
15969 "Li960R:", to avoid name clash.
15971 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15973 * loop.c (check_dbra_loop): When reversing a loop, delete all
15974 REG_EQUAL notes referencing the reversed biv except those which are
15975 for a giv based on it.
15977 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
15979 * version.c: Drop "gcc-" prefix from version #.
15981 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
15983 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
15984 the label if we're being verbose.
15986 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
15988 * m68k.c (output_function_prologue): Add pic register to mask
15989 if live and flag_pic.
15990 (output_function_epilogue): Likewise.
15992 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
15994 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
15995 directives in column zero.
15997 * pa/elf.h (ASM_FILE_START): Define.
15998 * pa/som.h (ASM_FILE_START): Include .level directives.
15999 * pa/hpux10.h (ASM_FILE_START): Delete.
16000 * pa/hpux11.h (ASM_FILE_START): Delete.
16002 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16004 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16006 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16007 when reload_out equals reload_in.
16009 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16011 * invoke.texi (Spec Files): New node: Describe the contents of
16014 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16016 * invoke.texi (DEC Alpha Options): Put @end table at
16017 beginning of line, to avoid confusing texi2html.
16019 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16021 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16022 introduced in previous delta.
16024 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16026 * reload1.c (gen_reload): When synthesizing a 3 operand add
16027 sequence, improve test for when to reload OP1 into the reload
16028 register instead of OP0.
16030 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16032 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16034 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16036 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16039 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16041 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16042 (va_dcl): Use __builtin_va_alist_t.
16044 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16046 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16047 on the permanent_obstack.
16048 * dwarfout.c (output_type): Likewise.
16050 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16052 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16053 Merged from c-typeck.c and cp/typeck.c.
16054 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16055 Merged into c-common.
16057 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16059 * c-lex.c (errorcount): Declare it.
16060 (finish_parse): Update errorcount when using CPPLIB.
16062 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16064 * fixinc/inclhack.def(end_else_label): Double the backslash so
16065 sed gets a chance to see it.
16066 * fixinc/inclhack.sh: regen
16067 * fixinc/fixincl.x: regen
16069 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16071 Add framework to support armv5 architecture when it becomes
16074 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16075 (arm_arch5): New variable.
16076 (all_architectures): Add armv5 line.
16077 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16078 -march=armv5 is specified on the command line.
16079 (arm_arch5): Export this variable.
16080 * invoke.texi: Document new string accepted by -march= switch for
16083 * config/arm/arm.h: Replace use of constant 12 as a register
16084 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16085 * config/arm/arm.c: Replace use of constant 12 as a register
16086 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16088 * config/arm/elf.h: Tidy up.
16089 * config/arm/coff.h: Tidy up.
16091 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16093 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16094 * gcc/config/mips/t-iris6gld: New file.
16095 * gcc/config/mips/iris6gld.h: Likewise.
16097 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16099 * c-decl.c (widest_integer_literal_type_node,
16100 widest_unsigned_literal_type) : New.
16101 (init_decl_processing): Handle/use the two new types.
16102 * c-common.c (type_for_size,type_for_mode) : Same.
16103 * c-lex.c (yylex) : Same.
16104 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16106 * c-tree.h (widest_integer_literal_type_node,
16107 widest_unsigned_literal_type) : New.
16109 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16111 * dwarfout.c (field_byte_offset): Correctly compute the object's
16112 byte offset for the first bit of a field which crosses an alignment
16113 boundary on a !BYTES_BIG_ENDIAN target.
16115 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16117 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16120 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16121 Jeff Law <law@cygnus.com>
16123 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16126 * except.c: Include intl.h.
16127 (expand_eh_return): Set current_function_cannot_inline.
16128 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16129 * function.h (struct function): Add eh_return_stub_label.
16130 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16131 * Makefile.in (except.o): Depend on intl.h.
16133 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16135 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16136 same as offsettable in cases 1 and 2.
16138 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16140 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16141 (extlh, extwh): Likewise.
16143 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16145 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16147 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16149 * configure.in: Add arm-pe and thumb-pe targets.
16150 * configure: Regenerate.
16152 * thumb.c (arm_naked_function_p): New function: Determines if
16153 a function is naked (has no gcc generated prologue/epilogue).
16154 (is_called_in_ARM_mode): Return true if the func has the
16155 interfacearm attribute.
16156 (output_return): Do not generate a return for naked functions.
16157 (thumb_function_prologue): Do not generate a prologue for
16159 (thumb_expand_prologue): Do not generate a prologue for naked
16161 (thumb_expand_epilogue): Do not generate an epilogue for naked
16163 (arm_valid_machine_decl_attribute): New function, copied from
16164 arm.c: Permit naked and interfacearm attributes.
16166 * config/arm/pe.c: New file: Support code for arm-pe target.
16167 * config/arm/pe.h: New file: Header file for arm-pe target.
16168 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16169 * config/arm/t-thumb-pe: New file: Makefile fragment for
16172 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16174 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16175 -fPIC or -fpic is specified.
16177 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16179 * expr.c (emit_block_move): Use copy_to_mode_reg for
16180 !TARGET_MEM_FUNCTIONS case too.
16182 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16184 * configure: Rebuilt.
16185 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16186 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16187 definitions made redundant by dbxelf.h inclusion. Delete
16188 lots of definitions related to assembly output that are
16189 specific to the SOM object format.
16190 * pa.c (output_function_prologue): Do not emit the function's
16192 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16193 * pa-pro.h: Deleted.
16194 * som.h: New file with SOM specific definitions.
16195 * elf.h: New file with ELF specific definitions.
16197 * elfos.h (const_section): Output a tab before assembler directives.
16198 (ctors_section, dtors_section): Likewise.
16199 (ASM_OUTPUT_SECTION_NAME): Likewise.
16201 * pa/pa1.h: Delete unused file.
16203 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16205 * configure.in (hppa*-hp-hpux11*): New configuration.
16206 * configure: Rebuilt.
16207 * pa/pa-hpux11.h: New file.
16208 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16211 * mips.md (leasi, leadi): New patterns.
16213 * expr.c (emit_block_move): Properly handle case where one of the
16214 block move arguments has a queued increment or decrement.
16215 (clear_storage): Similarly. Fix formatting goof.
16217 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16219 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16220 semicolon from the BSD VA_LIST replacement expression.
16222 * fixinc/inclhack.sh: regen
16223 * fixinc/fixincl.x: regen
16225 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16226 now use the fixincl program.
16228 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16230 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16231 case. Also make the PIC register call_used.
16233 * m68k.h (FINALIZE_PIC): Delete.
16234 * m68k.c (finalize_pic): Delete.
16236 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16238 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16241 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16243 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16245 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16247 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16249 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16251 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16253 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16255 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16257 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16259 * rs6000.c (output_toc): Always use hex values for floating-point
16260 constants. Store single-precision values in upper-half of TOC
16261 entry in 64-bit mode.
16262 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16263 to final constraints.
16264 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16265 (fctiwz): Improve accuracy of RTL for pattern.
16267 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16269 * expr.c (expand_expr): Allow RTL_EXPR's through the
16270 MAX_INTEGER_COMPUTATION_MODE checks.
16272 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16274 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16275 such that MASK_SUPPORT_ARCH is not negative.
16277 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16279 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16280 ADDR_DIFF_VEC insns that appear inside loops.
16282 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16283 Jeff Law <law@cygnus.com>
16285 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16286 Handle LO_SUM the same as offsettable in cases 1 and 2.
16287 * rs6000.c (find_addr_reg): Revert previous patch.
16289 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16291 * system.h (strstr): New external function declaration.
16292 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16293 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16294 * config.in, configure: Rebuilt.
16296 1999-06-24 Tom Tromey <tromey@cygnus.com>
16298 * gcc.c (main): Read user-specified specs files after computing
16299 additional startfile_prefixes.
16301 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16303 Revert these two patches:
16305 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16306 * loop.c (strength_reduce): When doing biv->giv conversion, update
16307 reg note of NEXT->insn.
16309 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16310 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16312 (recombine_givs): Set ix field after sorting.
16314 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16316 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16317 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16319 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16321 *fixinc/inclhack.def: Add fix development commentary
16322 (read_ret_type): reactivate and add selection clause
16323 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16324 *fixinc/{fixincl.x|inclhack.sh}: regen
16326 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16328 * expr.c (expand_expr): STRIP_NOPS before checking against
16329 MAX_INTEGER_COMPUTATION_MODE
16330 (check_max_integer_computation_mode): Likewise.
16332 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16334 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16336 1999-06-22 Jim Wilson <wilson@cygnus.com>
16338 * expr.c (store_expr): When target is a promoted subreg, return a
16339 promoted subreg as a result.
16341 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16343 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16345 (dwarf2out_define): Mark unused parameters appropriately.
16346 (gen_unspecified_parameters_die): Ditto.
16347 (gen_subprogram_die): Fix signed/unsigned warnings.
16348 (gen_variable_die): Ditto.
16350 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16352 * fixinc/inclhack.def(end_else_label): combined else_label
16353 and endif_label and fixed the sed expression.
16354 *fixinc/{fixincl.x|inclhack.sh}: regen
16356 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16358 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16359 'x' when handling non-offsettable addresses
16361 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16363 * final.c (shorten_branches): Don't try to split an insn that has
16366 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16368 * config/mips/mips.c (symbolic_expression_p): New function.
16369 (mips_select_rtx_section): Put symbolic expressions in the
16370 data section, not the read-only data section.
16372 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16374 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16376 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16378 * collect2.c (main): Log frame table count.
16379 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16380 (scan_prog_file) [COFF]: Handle frame tables.
16382 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16383 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16384 * alpha/elf.h: Undef them again.
16385 * alpha/vms.h: Remove their definitions.
16387 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16389 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16390 remove the clobber of r0 and change the REG_UNUSED note to
16393 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16395 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
16396 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
16397 fits in HOST_WIDE_INT and one uses union to access a long constant
16400 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
16402 * sparc.c (sparc_override_options): Don't allow profiling for
16403 code models other than medlow.
16404 (sparc_function_profiler): New function from old FUNCTION_PROFILER
16405 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
16406 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
16407 (sparc_block_profiler): Likewise.
16408 (sparc_function_block_profiler_exit): Likewise.
16409 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
16410 (FUNCTION_BLOCK_PROFILER): Likewise.
16411 (BLOCK_PROFILER): Likewise.
16412 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
16413 (MCOUNT_FUNCTION): New.
16414 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
16415 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
16416 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
16417 (MCOUNT_FUNCTION): New.
16418 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
16419 (BLOCK_PROFILER): Delete.
16420 (MCOUNT_FUNCTION): New.
16422 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
16424 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
16426 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16428 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16431 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16434 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16437 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16440 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
16442 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
16445 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
16447 * i386/djgpp.h (LIB_SPEC): New.
16448 (STARTFILE_SPEC): New.
16450 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
16452 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
16454 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
16457 * system.h (WSTOPSIG): New macro.
16459 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
16461 * c-pragma.c (push_alignment): Don't ignore alignments greater than
16463 (insert_pack_attributes): Take into account member natural
16466 * i386/winnt.c (exports_head): New static variable.
16467 (i386_pe_record_exported_symbol): New function.
16468 (i386_pe_asm_file_end): Use.
16469 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
16470 symbols to be emitted at end of assembly.
16471 (ASM_DECLARE_OBJECT_NAME): Likewise.
16472 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16474 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
16477 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
16479 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
16482 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
16484 * haifa-sched.c (sched_analyze_1): Use free_list instead of
16485 zapping reg_last_uses directly.
16486 (sched_analyze_2, sched_analyze_insn): Likewise.
16487 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
16489 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
16491 * rs6000.md (movdf_hardfloat32): Use worst case insn length
16492 attributes for cases 1 and 2.
16494 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
16496 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
16499 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
16501 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
16503 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
16505 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
16506 PIC_OFFSET_TABLE_REGNUM for general alloaction.
16507 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
16508 must be stacked if it is used for PIC accesses.
16509 * arm.c (use_return_insn): Handle PIC register specially.
16510 (output_return_instruction): Likewise.
16511 (output_func_{prologue,epilogue}): Likewise.
16512 (output_expand_prologue): Likewise.
16514 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
16515 (*strsi_predec): Renamed from *strqi_predec.
16516 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
16517 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
16519 * arm.c (arm_override_options): Remove warning about PIC code
16520 not being supported.
16522 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
16524 * rs6000.c (find_addr_reg): New function.
16525 * rs6000.h (find_addr_reg): Declare.
16526 (offsettable_addr_operand): Delete.
16527 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
16528 from and stores to GPRs.
16530 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
16532 * alpha.c (alpha_expand_block_move): Use get_insns rather than
16533 gen_sequence as argument to emit_no_conflict_block.
16535 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16537 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
16538 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
16539 *fixinc/fixincl.x: regen
16540 *fixinc/inclhack.sh: regen
16542 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
16544 * added support for -mpcrel (PC relative addressing for m68k)
16545 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
16546 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
16547 * m68k.c (print_operand_address): Handle 32-bit PIC case.
16548 (comments for general_src_operand): Add some explanation
16549 about EXTRA_CONSTRAINTS.
16550 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
16551 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
16552 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
16553 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
16554 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
16555 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
16556 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
16557 if not already set.
16558 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
16559 * m68k.h (TARGET_PCREL): New target flag.
16560 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
16561 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
16562 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
16563 contains a SYMBOL_REF. Relax this constraint during reload, since
16564 we want to use the predicates, not reload's built-in concept of a
16565 valid memory address, to control what insns need reloading.
16566 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
16567 operands (essentially 'g', 'm', and 's' under normal circumstances).
16568 * m68k.c (print_operand): Cause printing of pc-relative addresses
16569 to include pc register.
16570 (print_operand_address): Ditto.
16571 (general_src_operand): Accept operands that are not only
16572 general_operands, but are also valid when used as a pc-relative
16574 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
16575 (memory_src_operand): Similar, for memory_operands.
16576 (pcrel_address): New predicate to accept the special case of a
16577 pc-relative address.
16578 * m68k.md (many patterns): Rewrite common SImode, HImode, and
16579 QImode insns to accept *_src_operand instead of *_operand where
16580 pc-relative operands can fit. For example, a pc-relative operand
16581 can be used as a memory source operand for addsi3, but not as a
16582 memory destination.
16583 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
16585 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
16587 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
16588 .thumb_set pseudo op to mark aliases of thumb functions.
16590 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
16592 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
16593 preference to ASM_OUTPUT_DEF, if it is defined.
16595 * tm.texi: Document new, optional target macro
16596 ASM_OUTPUT_DEF_FROM_DECLS.
16598 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16600 * fixincludes: ISCNTL patch
16601 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
16602 (dgux_int_varargs): new for DG/UX
16603 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
16605 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
16607 * invoke.texi (ia32 options): Fix typo.
16609 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16611 * loop.c (strength_reduce): When doing biv->giv conversion, update
16612 reg note of NEXT->insn.
16614 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
16616 * loop.c (move_movables): Note issues with replacing REGs with
16618 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
16620 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
16622 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
16624 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
16625 the reference to `mcount' was not correct for the ELF on FreeBSD.
16627 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16629 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16632 (recombine_givs): Set ix field after sorting.
16634 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
16636 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
16637 to safe to extract a subword out of a REG.
16639 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16641 * sh.md (mulsi3): Don't add a no-op move at the end.
16643 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16645 * cse.c (cse_insn): Don't put hard register source into tables for
16646 the last insn of a libcall.
16648 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16650 * loop.c (strength_reduce): Insert sets of derived givs at every
16651 biv increment, even if it's the only one.
16653 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16655 * dwarfout.c (add_incomplete_type): New fn.
16656 (output_type): Call it.
16657 (retry_incomplete_types): New fn.
16658 (dwarfout_finish): Call it.
16660 From Eric Raskin <ehr@listworks.com>:
16661 (output_type): Output types for bases.
16663 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16665 * mips.c (mips_output_conditional_branch): Add `break'
16666 between `default' label and `close braces'.
16668 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
16670 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
16671 specifications and make it realistic.
16672 (LIB_SPEC): Likewise.
16674 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
16676 * config/mips/mips.c (mips_secondary_reload_class): Check for
16677 (PLUS (SP) (REG)) and return appropriate register class.
16678 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
16679 Handle (PLUS (SP) (REG)).
16680 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
16681 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
16682 of emit_insn for tablejump.
16684 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
16686 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
16687 asm_fprintf format string by itself.
16688 (output_function_profiler): Likewise.
16690 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
16692 * combine.c (simplify_logical, case AND): Only call
16693 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
16694 or the constant is positive.
16696 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
16698 * configure.in: Fix typo in rs6000-ibm-aix4 case.
16699 * configure: Regenerate.
16701 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
16703 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
16704 require a sub-version #.
16705 * configure: Rebuilt.
16707 1999-06-14 Robert Lipe (robertlipe@usa.net)
16709 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
16711 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
16713 * c-typeck.c (process_init_element): Detect excess elements in
16714 char array initializer.
16716 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16718 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
16720 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
16722 * invoke.texi (Option Summary): Add -fpermissive flag.
16724 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
16726 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
16727 that require PIC code sequences.
16729 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
16731 * configure.in: Add new target: thumb-elf.
16732 * configure: Regenerate.
16733 * config/arm/t-thumb-elf: New file: Makefile fragment for
16735 * config/arm/telf.h: New file: Header file for thumb-elf
16738 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
16740 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
16741 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
16742 initializers is some circumstances.
16744 * fixinc/inclhack.def (endif_label): Add additional selector for
16745 more bogus stuff after #endif statements.
16746 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16748 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
16750 * i386/cygwin.h (SET_ASM_OP): Define.
16752 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
16754 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
16756 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16758 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
16761 * sh.md (ic_invalidate_line_i): Remove second alternative.
16763 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16765 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
16766 test for the presence of valid prototypes. Delete bypass expr.
16767 (ioctl_fix_ctrl): Correct the selection expression.
16768 (no_double_slash): Correct quoting rules
16769 *fixinc/fixincl.x: regen
16770 *fixinc/inclhack.sh: regen
16772 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
16774 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
16776 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16778 * rs6000.md (movsi_got_internal_mem): Delete.
16779 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
16780 (GOT_TOC_REGNUM): Delete.
16781 (PIC_OFFSET_TABLE_REGNUM): Define.
16782 (FINALIZE_PIC): Disable.
16783 * rs6000.c (rs6000_got_register): New code for fixed pic register.
16784 (rs6000_replace_regno): Delete.
16785 (rs6000_finalize_pic): Likewise.
16786 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
16788 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16790 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
16791 is a note; use <= for the compare; advance P while it is
16794 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
16796 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
16797 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
16799 * varasm.c (remove_from_pending_weak_list): Verify t->name
16800 is non-NULL before passing it to strcmp.
16802 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16804 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
16805 the typed arguments are not part of a comment
16806 (ioctl_fix_ctrl): Added a purpose comment
16807 *fixinc/fixincl.x: regenerate
16808 *fixinc/inclhack.sh: regenerate
16810 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16812 * invoke.texi: Add C4x invocation docs.
16814 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16816 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
16818 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
16820 (c4x_legitimize_reload_address): New function.
16821 * config/c4x/c4x.md: Update docs.
16823 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
16825 * fixincludes: Avoid removing '.'.
16826 * fixinc/fixinc.svr4: Likewise.
16827 * fixinc/fixinc.winnt: Likewise.
16828 * fixinc/inclhack.tpl: Likewise.
16829 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
16831 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16833 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
16835 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
16837 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
16839 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
16842 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
16844 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
16845 * configure: Regenerate.
16847 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
16849 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
16852 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
16854 * fixinc/inclhack.def (avoid_bool): Also catch
16855 "typedef [unsigned] int bool".
16856 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
16858 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
16859 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
16860 * configure: Rebuilt.
16862 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
16864 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
16865 such that we can override its definitions if necessary.
16866 (CPP_SPEC): New define. Support processor specific predefines via
16868 (CC1_SPEC): New define. Support processor specific compiler
16869 options via %(cc1_cpu).
16870 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
16873 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16875 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
16876 between sed's -e flag, and the open-quote following it.
16877 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
16879 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
16880 Jeffrey A Law (law@cygnus.com)
16882 * varasm.c (assemble_start_function): Remove the function
16883 from the pending weak decls list when we define a function.
16884 (assemble_variable): Similarly for variables.
16885 (weak_finish): Ignore items on the list with a NULL name.
16886 (remove_from_ending_weak_list); New function to "remove" an item
16887 from the pending weak declarations list.
16889 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
16891 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
16893 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
16895 * c-lex.c (GETC): Redefine to call getch.
16896 (UNGETC): Redefine to call put_back.
16897 (putback_buffer): New structure type.
16898 (putback): New static structure.
16899 (getch): New function.
16900 (put_back): New function.
16901 (yylex): Replace unused bytes from bad multibyte character.
16903 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
16905 * cpplib.c (do_define): Cast `alloca' return value.
16906 (do_include, do_undef, do_pragma): Likewise.
16907 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
16909 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
16910 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
16912 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
16914 * sparc.md (abstf2): This should be an expand.
16915 (split after abstf2_notv9): Fix mode.
16916 (abstf2_hq_v9): New pattern.
16917 (abstf2_v9): Only use when no hard quad.
16918 (absdf2_v9): Fix if target is not the same as source.
16919 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
16920 Add correct output constraints.
16922 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
16924 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
16925 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
16927 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
16929 * mips.h (mips_output_conditional_branch): New function.
16930 (mips_adjust_insn_length): Likewise.
16931 (ASSEMBLER_SCRATCH_REGNUM): New macro.
16932 (ADJUST_INSN_LENGTH): Likewise.
16933 * mips.c (print_operand): Add `F' and `W' for floating-point
16934 comparison opcodes.
16935 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
16937 (mips_adjust_insn_length): New function.
16938 (mips_output_conditional_branch): New function.
16939 * mips.md (length): Adjust attribute definition to handle
16940 conditional branches. Change lengths to bytes, rather than
16941 instructions throughout. Remove length attribute from
16942 instructions whose length is four bytes, and rely on the default
16944 (dslot): Fix typo in comment.
16945 Reword conditional branch patterns to use
16946 mips_output_conditional_branch.
16948 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16950 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
16951 (LIB_SPEC): Likewise.
16952 Link with -lprof1_r for -g/-pg.
16954 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
16956 * loop.c (check_dbra_loop): Fix change of Jan 19.
16958 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
16960 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
16961 (STARTFILE_SPEC): Define, override the svr4.h version.
16962 (ENDFILE_SPEC): Likewise.
16964 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
16966 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
16967 * fixinc/fixincl.x: Regenerated.
16968 * fixinc/inclhack.sh: Regenerated.
16970 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16972 * sh.c (barrier_align): Don't return early for normal branch/barrier
16973 when optimizing for SH2.
16975 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
16977 * i386/udk.h (LINK_SPEC): Correct linker search path for
16980 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16982 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
16983 (braf_label_ref_operand): Delete.
16984 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
16985 * sh.md (casesi_jump_2): Operand1 is now the inside of a
16986 label_ref, and has no predicate.
16987 The patten has a predicate to guard against invalid substitutions.
16988 (dummy_jump): Delete.
16989 (casesi): Update use of casesi_jump_2.
16991 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
16993 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
16994 *fixinc/fixincl.x: regenerate
16995 *fixinc/inclhack.sh: regenerate
16997 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
16999 * dwarf2out.c (add_incomplete_type): New fn.
17000 (gen_struct_or_union_type_die): Call it.
17001 (retry_incomplete_types): New fn.
17002 (dwarf2out_finish): Call it.
17004 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17006 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17007 current block starts with a CODE_LABEL and ends with a CALL and
17008 we can not find all the argument setup instructions for the CALL.
17010 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17012 Revert this change:
17013 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17014 something is a candidate for optimize_bit_field_compare.
17016 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17018 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17020 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17022 * alpha.c (override_options): Thinko in last patch.
17024 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17025 (LIB_SPEC): Recognize -pthread.
17027 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17029 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17030 definition in config/arm/coff.h
17031 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17033 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17035 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17036 fixes that need "file=xxx\n" prepended before invocation
17037 (start_fixer - new): starting the fixer process is complex enough
17038 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17039 (process): uses the new routine; omit usage of putenv()
17040 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17041 * fixinc/fixincl.x: regenerate
17043 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17045 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17046 and version #s (1.1 -> 2.96) as needed.
17047 * README.g77: Kill way out of date file in the toplevel directory.
17049 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17051 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17052 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17053 * configure: Rebuilt.
17054 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17055 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17056 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17057 (SWITCH_TAKES_ARG): Likewise.
17058 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17059 * config/t-freebsd: Moved from config/i386/ so it can used for all
17062 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17064 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17066 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17068 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17069 * configure: Rebuilt.
17071 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17073 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17074 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17075 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17076 (rs6000_output_load_toc_table): Same.
17077 (output_prolog, output_mi_thunk): Same.
17078 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17079 (ASM_GLOBALIZE_LABEL): Use putc.
17081 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17083 * alpha.md (reload_*_help): New patterns and splitters.
17084 (reload_*): Use them.
17085 (mov[qh]i): Likewise.
17087 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17089 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17092 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17094 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17096 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17098 * flow.c (mark_regs_live_at_end, insn_dead_p,
17099 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17100 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17101 hasn't run or the frame pointer is needed.
17102 * haifa-sched.c (attach_deaths): Likewise.
17103 * sched.c (attach_deaths): Likewise.
17105 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17107 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17108 calculate_can_reach_end returns nonzero.
17110 * configure.in (native gas tests): Search for an assembler in the
17111 same manner that the installed compiler will.
17112 * configure: Rebuilt.
17113 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17115 * alias.c (find_base_term): Improve handling of addresses
17116 constructed from binary operations.
17118 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17120 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17122 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17124 * function.h (cleanup_label, frame_offset): Declare.
17125 (tail_recursion_label, tail_recursion_reentry): Likewise.
17126 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17127 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17128 (tail_recursion_label, tail_recursion_reentry): Likewise.
17129 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17131 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17133 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17135 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17136 (MAX_OFILE_ALIGNMENT): Define.
17138 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17140 * fixincl.c: Replace local include scheme with #includes of
17141 gansidecl.h and system.h.
17142 * procopen.c: Likewise.
17143 * server.c: Likewise.
17145 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17147 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17148 (crti.o): Add build rule and dependencies.
17149 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17151 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17153 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17154 (LIB_LINUX_SPEC): Likewise.
17155 (LIB_LINUX_SPEC): Add support for -pthread
17156 (CPP_OS_LINUX_SPEC): Likewise.
17157 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17160 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17162 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17164 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17165 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17166 for IEEE math and CC_FCOMI.
17167 (put_jump_code): No IEEE if CC_FCOMI is set.
17169 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17171 * fold-const.c (fold_truthop): Make the field reference unsigned
17172 when converting a single bit compare.
17174 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17176 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17178 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17180 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17181 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17184 * reload.c (push_reload): Do not call remove_address_replacements
17185 when presented with identical optional reloads.
17187 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17189 * alpha.h (MASK_FIX, TARGET_FIX): New.
17190 (MASK_*): Reorganize constants.
17191 (CPP_AM_FIX_SPEC): New.
17192 (TARGET_SWITCHES): Add FIX.
17193 (EXTRA_SPECS): Likewise.
17194 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17195 (SECONDARY_MEMORY_NEEDED): Likewise.
17196 (REGISTER_MOVE_COST): Likewise.
17197 * alpha.c (override_options): Add FIX support. Always use
17198 ALPHA_TP_PROG for ev6.
17199 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17200 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17201 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17203 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17205 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17206 something is a candidate for optimize_bit_field_compare.
17208 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17210 * gcc.texi (Passes): Document branch-shortening.
17211 * invoke.texi (Debugging Options): Document the fact that `-dp'
17212 outputs length information for instructions.
17214 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17216 * flow.c: Revert previous delta.
17218 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17220 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17221 FRAME_POINTER_REGNUM.
17222 (mark_set_1): Ditto.
17223 (mark_used_regs): Ditto.
17225 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17227 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17228 (GOT_PCREL): New macro. Define to 1 if not already defined.
17229 * arm/elf.h (GOT_PCREL): Define to 0.
17230 * arm.c (arm_finalize_pic): Take into account the setting of
17233 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17235 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17236 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17238 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17239 store elimination candidates.
17241 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17243 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17246 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17248 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17249 Add use of x-aix41-gld.
17251 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17253 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17254 (ASM_OUTPUT_DESTRUCTOR): Define.
17256 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17258 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17259 last CODE_LABEL in a loop if we have previously passed a jump
17260 to the top of the loop.
17262 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17264 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17265 applying Philip's patch.
17267 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17269 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17272 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17274 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17276 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17278 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17279 Also remove a useless comment.
17281 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17283 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17285 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17287 * collect2.c (main): Only generate import or export file and add
17288 to link arguments if non-empty. Use xmalloc not alloca.
17289 (write_{export,import}_file): Delete.
17290 (write_aix_file): New function.
17291 (locatelib): Use xmalloc not malloc.
17292 (GCC_OK_SYMBOL): Do not check type if aix64.
17294 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17296 Based on patch by Scott Bambrough and Pat Beirne:
17297 * config/arm/arm.c (making_const_table): New variable.
17298 * config/arm/arm.h (making_const_table): Declare.
17299 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17301 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17302 Keep track of when we are building the constant table.
17304 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17306 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17309 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17311 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17314 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17316 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17319 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17321 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17323 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17325 * rs6000.c (output_mi_thunk): Enable full support again.
17327 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17329 * sh.h (BRANCH_COST): Define.
17331 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17333 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17335 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17337 * function.c (assign_stack_local): Align stack slot propertly.
17338 (assign_outer_stack_local): Likewise.
17340 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17342 * expr.h (lang_expand_constant): Declare.
17343 * toplev.c (lang_expand_constant): Define it.
17344 * varasm.c (output_constant): Use it.
17346 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17348 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17349 Change function definitions to K&R style.
17351 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17353 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17355 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17357 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17358 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17359 (several places): omit static initialization
17360 (process): use single fd, since only the read fd is used
17361 * fixinc/gnu-regex.c: define 'const' away, if not supported
17362 * fixinc/procopen.c(several places): omit static initialization
17363 * fixinc/server.c: define 'volitile' away, if not supported
17365 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17367 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17368 asm_fprintf and %L to generate the label name.
17369 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17370 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17372 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17374 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17375 insn for a conditional jump can not be found.
17377 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17379 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17380 on variables in specific sections other than .sbss and .sdata.
17382 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17384 * stmt.c (expand_return): Call start_cleanup_deferral and
17385 end_cleanup_deferral around conditional code.
17387 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17389 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17390 filename lists. Utilizes new "krstr" AutoGen function.
17391 * fixinc/fixincl.x: Rebuilt.
17393 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17395 * i386.c (output_float_compare): Avoid GNU-C extensions.
17397 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
17399 * version.c: Bump to distinguish mainline tree from the
17402 See ChangeLog.1 for earlier changes.