1 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
3 * invoke.texi: Add AVR invocation docs.
4 * install.texi: Add information about AVR.
5 * md.texi: Add AVR constraint letters description.
6 * extend.texi: Add description for AVR specific attributes.
8 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
12 2000-02-16 Nick Clifton <nickc@cygnus.com>
14 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
15 (make_insn_raw): Move RTL check here.
17 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * version.c: Include gansidecl.h and version.h.
21 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
23 * configure.in (gcc_version): When setting, narrow search to
24 lines containing `version_string'.
26 * Makefile.in (mainversion): Likewise.
27 (GCC_H): New variable.
28 (gcc.h): Delete target.
29 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
30 (version.o): Depend on version.h.
31 (dbxout.o): Don't depend on gcc.h.
33 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
34 Michael Meissner <meissner@cygnus.com>
36 * md.texi (Simple Constraints): Add item about whitespace.
37 * genoutput.c (strip_whitespace): New.
38 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
39 strip_whitespace for constraints.
40 Test pointer using NULL, not 0.
42 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
44 * cpplib.c (do_line): Pedwarn for #line > 32767.
46 * c-lex.c (readescape): Warn about '\x', but do not reject it.
48 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
50 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
52 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
53 * cpp.texi: Document __GNUC_PATCHLEVEL__.
56 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
59 2000-02-15 Denis Chertykov <denisc@overta.ru>
61 * configure.in: Add support for avr target.
63 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
65 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
66 (sh_addr_diff_vec_mode): Don't declare.
67 * sh.c (sh_addr_diff_vec_mode): Delete.
69 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
71 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
73 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
75 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
76 (smulsi3_highpart_i): Name.
77 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
78 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
79 (smulsi3_highpart, umulsi3_highpart): Likewise.
81 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
82 correctly independent of endianness.
83 (mulsidi3, umulsidi3): Now define_insn. Hide details that
84 confuse the optimizers.
85 (mulsidi3+1, umulsidi3+1): New define_split.
87 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
89 * config/sh/sh.md: Guard insn splits against illegal registers.
90 * config/sh/sh.h: Correct comment about macros.
92 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
93 Andrew MacLeod <amacleod@cygnus.com>
95 * Makefile.in (lcm.o): Depend on insn-attr.h.
96 * basic-block.h (optimize_mode_switching): Declare.
97 * lcm.c (tm_p.h, insn-attr.h): #include.
98 (seginfo, bb_info): New structs.
99 (antic, transp, comp, delete, insert) : New file-scope static variables.
100 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
101 (reg_becomes_live, optimize_mode_switching): Likewise.
102 * tm.texi: Add description of mode switching macros.
103 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
105 * sh-protos.h (remove_dead_before_cse): Remove prototype.
106 (fldi_ok, fpscr_set_from_mem): New prototypes.
107 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
108 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
109 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
110 (sh_flag_remove_dead_before_cse): Remove declaration.
111 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
112 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
113 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
114 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
115 (barrier_align): Allow for JUMP_INSNS containing a parallel.
116 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
117 (fldi_ok): New function.
118 (get_fpscr_rtx): Add fpscr_rtx as GC root.
119 (emit_sf_insn): Only generate fpu switches when optimize < 1.
120 (emit_df_insn): Likewise.
121 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
122 (sh_flag_remove_dead_before_cse): Delete.
123 (get_free_reg, fpscr_set_from_mem): New functions.
124 * sh.md (movdf, movsf): Remove no_new_pseudos code.
125 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
127 2000-02-15 Loren Rittle <ljrittle@acm.org>
129 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
131 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
134 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
136 * cccp.c: Include version.h and/or don't declare `version_string'.
137 * collect2.c: Likewise.
139 * arm/aof.h: Likewise.
140 * arm/coff.h: Likewise.
141 * arm/elf.h: Likewise.
142 * arm/pe.h: Likewise.
143 * arm/tcoff.h: Likewise.
144 * arm/telf.h: Likewise.
145 * arm/tpe.h: Likewise.
146 * arm/vxarm.h: Likewise.
147 * convex/convex.c: Likewise.
148 * i386/dgux.c: Likewise.
149 * i386/sun386.h: Likewise.
150 * m88k/m88k.c: Likewise.
151 * mcore/mcore-pe.h: Likewise.
152 * mips/mips.h: Likewise.
153 * romp/romp.h: Likewise.
155 * cpphash.c: Likewise.
156 * cppinit.c: Likewise.
157 * dwarf2out.c: Likewise.
158 * dwarfout.c: Likewise.
161 * mips-tfile.c: Likewise.
162 * protoize.c: Likewise.
163 * toplev.c: Likewise.
166 * version.c (version_string): Constify a char*.
168 * version.h: New file.
170 2000-02-14 Nick Clifton <nickc@cygnus.com>
172 * configure.in: Add mcore-elf and mcore-pe targets.
173 * configure: Regenerate.
175 * NEWS: Add note that MCore port has been contributed.
177 * invoke.texi: Document command line switches for MCore port.
178 * install.texi: Add MCore to list of supported targets.
180 2000-02-14 Geoff Keating <geoffk@cygnus.com>
182 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
183 then we will need to import the frame handling functions.
184 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
185 to import the frames themselves.
187 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
188 Jason Eckhardt <jle@cygnus.com>
190 * basic_block.h: Added prototype for reorder_basic_blocks.
191 * toplev.c: Changes to add -freorder-blocks and graph dump after
192 block reordering is done.
193 * flow.c (reorder_block_def): New structure for use during block
195 (REORDER_BLOCK_*): New macros to access members of above structure.
196 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
197 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
198 functions for block reordering.
200 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
202 * gcc.texi (Passes): Fix typo.
203 * md.texi (Standard Names): Ditto.
204 * tm.texi (Storage Layout): Ditto.
206 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
208 * cpplib.c (do_define): Only free the old definition if it
211 2000-02-13 Neil Booth <NeilB@earthling.net>
213 * cppfiles.c (read_and_prescan): When emitting deferred
214 newlines, test speccase[] again instead of checking each
215 possible whitespace character in turn. When we encounter \r,
216 look behind for \n first, then ahead.
218 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
220 * cse.c (cse_altered): New internal flag.
221 (cse_insn): Set it if we changed an insn.
222 (cse_main): Clear cse_altered before each basic block.
223 Only garbage collect if cse_altered is true afterward.
225 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
227 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
229 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
231 * combine.c (simplify_comparison): Fix typo.
233 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
235 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
238 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
240 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
241 previously inserted node instead of root node. Caller changed.
243 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
245 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
247 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
249 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
250 __dereg_frame_dtor): Add prototype argument.
252 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
254 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
256 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
258 * gthr-vxworks.h (__gthread_once): Likewise.
260 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
262 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
264 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
265 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
266 stack pointer in functions w/o saved registers, output LEAVE more often
267 on TARGET_USE_LEAVE machines.
269 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
271 * config/arm/arm.c (arm_init_cumulative_args); New function:
272 Initlaise the CUMULATIE_ARGS strcuture for a function
274 (arm_function_arg): New function: Determine where to place a
275 function's argument. Also handles deciding the function's
277 (current_file_function_operand): New function: Return true if
278 the symbol is a function which has already been compiled.
279 (arm_is_long_call_p): New function: Return true if the
280 indicated function should be called via a long call.
281 (arm_valid_type_attribute_p): New function: Return true if the
282 attribute is a valid, arm specific, attribute.
283 (arm_comp_type_attribute): New function: Return true if the
284 two types have compatable, arm specific, attributes.
286 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
288 (FUNCTION_ARG): Redefine to call arm_function_arg.
289 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
291 (INIT_CUMULATIVE_ARGS): Redefine to call
292 arm_init_cumulative_args.
293 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
295 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
297 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
299 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
300 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
301 (COMP_TYPE_ATTRIBUTES): Define.
303 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
304 if a long call is needed.
305 (call_value): Call arm_is_long_call_p to decide if a long call
307 (call_symbol): Call arm_is_long_call_p to decide if a long call
310 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
312 2000-02-11 Denis Chertykov <denisc@overta.ru>
314 * README.AVR: New file with information about the avr ports.
315 * config/avr: New directory with avr port files.
317 2000-02-11 Andreas Jaeger <aj@suse.de>
319 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
321 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
323 * cpphash.c: Fix formatting, update commentary.
324 (dump_definition): Take three separate arguments instead of a
325 MACRODEF structure argument.
326 * cpphash.h: Update prototype of dump_definition.
327 * cppinit.c (cpp_finish): Update call of dump_definition.
329 * cpplib.c (do_define): Always create new hash entry with
330 T_MACRO type. Remove redundant check for redefinition of
331 poisoned identifier. Update call of dump_definition.
332 (do_undef): Don't call check_macro_name. Rename sym_length to
334 (do_error, do_warning): Don't use copy_rest_of_line or
336 (do_warning): Don't use pedwarn for the actual warning,
337 only the notice about its not being in the standard. (Fixes
338 bug with #warning in system headers.)
339 (do_ident): Stricter argument checking - accept only a single
340 string after #ident. Also, macro-expand the line.
341 (do_xifdef): Use cpp_defined. De-obfuscate.
343 (do_pragma): Split out specific pragma handling to separate
344 functions. Use get_directive_token. Update commentary. Do
345 not pass on #pragma once or #pragma poison to the front end.
346 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
347 do_pragma_default): New.
349 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
351 * jump.c (jump_optimize_1): The first operand in a relational
353 * optabs.c (emit_conditional_move): Handle relationals which
354 have a known true/false result.
356 2000-02-11 Geoff Keating <geoffk@cygnus.com>
358 * function.c (thread_prologue_and_epilogue_insns): Don't insert
359 a RETURN insn into a block which already ends with a jump.
361 2000-02-11 Geoff Keating <geoffk@cygnus.com>
363 * haifa-sched.c (BUF_LEN): Increase a lot.
365 2000-02-11 Nick Clifton <nickc@cygnus.com>
367 * configure.in: Add tm_p_file specification for thumb targets.
368 * configure: Regenerate.
370 * config/arm/thumb-protos.h: New file: Prototypes for exported
371 functions defined in thumb.c.
373 2000-02-11 Robert Lipe <robertl@sco.com>
375 * Makefile.in (bootstrap-lean): Remove additional files.
376 (bootstrap2-lean): Likewise.
377 (VOL_FILES): List of files for above.
379 2000-02-11 Nathan Sidwell <nathan@acm.org>
381 * cpphash.c (special_symbol): Remove spurious argument to
384 2000-02-11 Joel Sherrill (joel@OARcorp.com>
386 * configure.in: (i*86-*-rtems*): Swapped elf and coff
388 * configure: Rebuilt.
390 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
392 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
394 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
396 * pa.c, pa.h: Remove trigraph sequences within comments.
398 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
400 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
402 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
404 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
406 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
408 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
410 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
412 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
413 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
414 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
415 (ASM_FILE_END): Use c4x_file_end.
416 * config/c4x/c4x.c (c4x_global_label): New function.
417 (c4x_external_ref, c4x_file_end): Likewise.
419 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
420 (c4x_external_ref, c4x_end_file): Likewise.
422 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
424 * cppexp.c: Don't include cpphash.h.
425 (parse_charconst, cpp_lex): Use cpp_defined.
426 (cpp_lex): Use get_directive_token throughout. Remove
427 unnecessary cases from switch. Move assertion-handling code
429 (cpp_parse_expr): If we see '+' or '-', check the context to
430 determine if they are unary or binary operators. Streamline
431 the jumps a bit. Do not call skip_rest_of_line.
433 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
434 static. Export get_directive_token. Update commentary.
435 (cpp_defined): New function.
436 (do_define): Remove reference to T_PCSTRING. Call
437 free_definition to release memory for old definition, when
439 (eval_if_expression): Set only_seen_white to 0 before calling
440 cpp_parse_expr. Call skip_rest_of_line after it returns.
441 (cpp_read_check_assertion): Don't preserve a pointer into the
442 token buffer across a call to cpp_get_token.
444 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
445 * cppfiles.c (redundant_include_p): Use cpp_defined.
446 * cpphash.c (free_definition): New function.
447 (delete_macro): Use it. Update commentary.
448 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
450 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
451 from enum node_type. Prototype cpp_defined and get_directive_token.
452 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
454 * fix-header.c (check_macro_names): Use cpp_defined.
455 (read_scan_file): Set inhibit_warnings and inhibit_errors in
456 the options structure.
458 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
460 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
462 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
464 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
465 rather than die->die_tag.
467 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
469 * combine.c (make_extraction, force_to_mode): Avoid warning on
470 mixed-signedness conditionals.
471 (make_field_assignment, nonzero_bits): Likewise.
472 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
473 (store_split_bit_field, extract_split_bit_field): Likewise.
474 (extract_fixed_bit_field, store_bit_field,
475 * expr.c: Change alignment to be unsigned everywhere.
476 (move_by_pieces, store_constructor_field, store_constructor):
477 Alignment parm is unsigned.
478 (emit_block_move, emit_group_load, emit_group_store): Likewise.
479 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
480 (do_compare_rtx_and_jump): Likewise.
481 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
482 Compare align with GET_MODE_ALIGNMENT.
483 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
484 (get_inner_reference): Likewise.
485 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
486 (expand_assignment): Local vars for alignment now unsigned.
487 (store_constructor, store_field, expand_expr, do_jump): Likewise.
488 (do_compare_and_jump): Likewise.
489 (store_field): Call new function expr_align.
490 * expr.h (emit_block_move, emit_group_load, emit_group_store):
491 Alignment arg now unsigned.
492 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
493 (do_compare_rtx_and_jump, store_bit_field): Likewise.
494 (extract_bit_field): Likewise.
495 * fold-const.c (add_double): Add cast to eliminate signedness warning.
496 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
497 (get_best_mode): Alignment arg is unsigned.
498 * rtl.h (move_by_pieces): Likewise.
499 * store-layout.c (maximum_field_alignment, set_alignment):
501 (layout_decl): Alignment arg is now unsigned.
502 Remove unneeded casts.
503 (layout_record, layout_union, layout_type): Remove unneeded casts.
504 Local alignment variables now unsigned.
505 (get_best_mode): Alignment arg now unsigned.
506 * tree.c (expr_align): New function.
507 * tree.h (expr_align): Likewise.
508 (maximum_field_alignment, set_alignment): Now unsigned.
509 (get_inner_reference): Alignment argument is now pointer to unsigned.
510 * varasm.c (assemble_variable): Add cast to eliminate warning.
512 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
514 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
515 then store directly into op0.
517 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
518 the CALL_INSN, and emit the note immediately after it.
520 2000-02-10 Nick Clifton <nickc@cygnus.com>
522 * config/arm/thumb.md (epilogue): Include a (return) in the
523 generated insn, and emit it using emit_jump_insn not
526 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
528 * function.c (assign_temp): Change zero-sized arrays to size 1.
529 * integrate.c (expand_inline_function): Do not update
530 stack_alignment_needed
531 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
532 add some sanity checking, remove optimization for function with
535 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
537 * flow.c (mark_regs_live_at_end): Delete unused variables.
539 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
541 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
542 in macro FRAME_GROWS_DOWNWARD.
544 * stmt.c (expand_end_bindings): Delete unused variable.
546 * unroll.c (iteration_info): Mark parameter `loop' with
549 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
551 * fixinc/server.c (load_data): Return NULL if the marker line is
553 (run_shell): If load_data returns NULL, retry the command once, in
556 * configure: Rebuilt.
558 2000-02-09 Bruce Korb <bkorb@gnu.org>
560 * gcc/fixincludes: ** DELETED **
561 * gcc/fixcpp: ** DELETED **
562 * gcc/fixinc-nt.sed: ** DELETED **
563 * gcc/just-fixinc: ** DELETED **
564 * gcc/Makefile.in: Removed out-dated commentary
565 * gcc/configure.in: Removed fast-fixincludes disablement.
566 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
568 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
569 * function.c (thread_prologue_and_epilogue_insns): Uncomment
572 2000-02-09 Richard Henderson <rth@cygnus.com>
574 * jump.c (delete_insn): Don't delete user labels at -O0.
576 2000-02-09 Robert Lipe <robertl@sco.com>
578 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
579 Don't link with HOST_LIBS.
581 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
583 * configure.in: Correct --help text for --with-dwarf2.
584 Put tm-dwarf2.h after other tm files, if it's requested.
585 * configure: Regenerate.
586 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
589 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
591 * cpplib.h: Provide HASHNODE typedef and forward decl of
592 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
593 DEFINITION, struct hashnode, struct macrodef, struct
594 definition, scan_decls prototype, default defn of
595 INCLUDE_LEN_FUDGE moved elsewhere.
597 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
598 definition, and struct hashnode moved here. Remove the unused
599 'predefined' field from struct definition. Replace the 'args'
600 union with its sole member. All users updated (cpphash.c).
601 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
602 multiple include guard.
604 * cpphash.c (hashf): Make static; use better algorithm; drop
605 HASHSIZE parameter; return an unsigned int.
606 (cpp_lookup): Drop HASH parameter. PFILE parameter is
607 used. Calculate HASHSIZE modulus here.
608 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
610 (create_definition): Drop PREDEFINITION parameter.
611 * cpplib.c (do_define): Don't calculate a hash value here.
612 Don't pass (keyword == NULL) to create_definition.
614 * scan.h: Prototype scan_decls here.
615 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
616 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
617 callers of cpp_lookup and cpp_install updated.
619 * cpphash.c (macarg): Hoist all the flag diddling out of the
621 (macroexpand): ... and out of the loop that calls macarg.
622 Skip over the initial paren before macro arguments with
623 cpp_get_non_space_token; point may be some distance before
624 that paren. Abort if it's not there.
626 * cpplib.c (parse_clear_mark): Delete function.
627 (parse_set_mark, parse_goto_mark): Make static.
628 (ACTIVE_MARK_P): New macro.
629 (skip_block_comment, skip_line_comment): Do not bump the line
630 if ACTIVE_MARK_P is true.
631 (cpp_pop_buffer): The buffer to be popped may not have an
633 (cpp_get_token): When looking for the initial paren before
634 macro arguments, only set a mark in a file buffer, Always
635 return to that mark before proceeding to call macroexpand or
638 * cpplib.h: Remove prototypes of parse_set_mark,
639 parse_clear_mark, parse_goto_mark.
640 (struct cpp_options): Rename 'put_out_comments' to
641 'discard_comments' and invert its sense.
642 * cppinit.c, cpphash.c, cpplib.c: All users of
643 put_out_comments changed to use discard_comments, with
646 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
648 * function.c (thread_prologue_and_epilogue_insns): Don't delete
649 the edge from a block that both jumps and falls through to the
652 2000-02-09 Scott Bambrough <scottb@netwinder.org>
654 * config/arm/arm.md (movsi): In PIC mode, make sure that a
655 constant source address is legitimate.
657 2000-02-09 Philip Blundell <pb@futuretv.com>
659 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
662 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
664 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
666 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
668 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
669 ends with a newline and a NUL. Don't be so clever manipulating
672 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
674 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
675 not to BIGGEST_ALIGNMENT.
677 2000-02-08 Geoff Keating <geoffk@cygnus.com>
679 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
680 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
681 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
682 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
683 * frame.c (execute_cfa_insn): Handle
684 DW_CFA_GNU_negative_offset_extended.
686 2000-02-08 Richard Henderson <rth@cygnus.com>
688 * flow.c (tidy_fallthru_edges): Split out from ...
689 (delete_unreachable_blocks): ... here.
690 (find_basic_blocks): Use it.
692 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
694 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
696 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
698 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
699 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
700 (fix-header.o): Don't depend on cpphash.h.
702 * scan.c (hashstr): New function.
703 * scan.h: Prototype it.
704 * fix-header.c: Don't include cpphash.h. Use hashstr.
705 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
706 hashstr. Report hash table statistics. Add private
707 definition of xrealloc.
709 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * i386.h (TARGET_SWITCHES): Fix typo in option name.
713 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
715 * function.c (thread_prologue_and_epilogue_insns): Don't replace
716 jumps with returns unless they are jumps to the fallthru block.
718 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
720 * i386.md (addqi3_cc): Fix contraints.
722 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
724 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
726 2000-02-07 Mark Mitchell <mark@codesourcery.com>
728 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
729 carriage return after a macro name.
731 2000-02-07 Fred Fish <fnf@be.com>
733 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
734 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
736 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
738 * cppfiles.c (deps_output): Count spacers in deps_column.
740 2000-02-07 Neil Booth <NeilB@earthling.net>
742 * cppinit.c (initialize_dependency_output): If there is no
743 suffix, don't try to look for known suffixes. Use strrchr.
744 (cpp_start_read): Remove duplicate initialization.
746 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
748 * calls.c (compute_argument_block_size): New argument
749 preferred_stack_boundary.
750 (expand_call): update cfun->preferred_stack_boundary, update call of
751 compute_argument_block_size
752 (emit_library_call): Increate cfun->preferred_stack_boundary
753 to PREFERRED_STACK_BOUNDARY
754 (emit_library_call_value): Likewise.
755 * explow.c (allocate_dynamic_stack_spave): Likewise.
756 * function.c (prepare_function_start): Set
757 cfun->preferred_stack_boundary
758 * function.h (struct function): Add preferred_stack_boundary field.
759 * integrate.c (expand_inline_function): Update
760 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
761 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
762 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
764 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
766 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
767 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
768 cpp_pedwarn, cpp_pedwarn_with_line,
769 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
770 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
771 v_cpp_error_with_line, v_cpp_warning_with_line,
772 cpp_message_from_errno, cpp_perror_with_name): Delete.
774 * cpperror.c (cpp_print_containing_files): Take starting
776 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
777 (v_cpp_message): Now called directly by all entry points.
779 (cpp_pfatal_with_name, cpp_message): Delete.
780 (cpp_notice_from_errno, cpp_ice): New functions.
781 (cpp_notice): Is now for reporting error conditions, just
782 without an associated file.
783 (cpp_error, cpp_error_with_line): Don't do anything if
784 opts->inhibit_errors is on.
785 (cpp_pedwarn_with_file_and_line): Take column argument also.
787 * cpplib.h: Update prototypes of exported functions.
788 (struct cpp_options): Add inhibit_errors.
790 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
791 non-error messages. Include intl.h.
793 * cppinit.c, cppmain.c: Likewise. Also, use
794 cpp_notice_from_errno instead of cpp_perror_with_name or
795 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
797 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
798 report internal errors.
800 * cpplib.c (do_define): Switch bcopy to memcpy.
801 Give cpp_pedwarn_with_file_and_line a dummy column argument.
803 * cpplib.c (copy_rest_of_line): Revert previous change: don't
804 bail out early if we hit a line comment.
806 2000-02-06 Richard Henderson <rth@cygnus.com>
808 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
809 * basic-block.h: Declare them.
810 * emit-rtl.h (active_insn_p): New.
811 (next_active_insn, prev_active_insn): Use it.
813 * function.c (emit_return_into_block): New.
814 (thread_prologue_and_epilogue_insns): Insert return insns instead
815 of epilogues when possible.
816 * jump.c (jump_optimize_1): Remove code to insert a return insn
817 on the fallthru to the exit block.
819 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
820 and for non-empty stack frames.
821 * i386.md (return): Expand to return-pop as needed.
823 2000-02-06 Richard Henderson <rth@cygnus.com>
825 * simplify-rtx.c (simplify_relational_operation): Canonicalize
826 constant to op1 for testing.
828 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
830 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
831 (fixuns_truncqfqi2): Use it.
833 2000-02-06 Richard Henderson <rth@cygnus.com>
835 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
838 * i386.md (widening and peepholes): Mask the constant instead of
841 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
843 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
844 input pointer before possibly branching off to the backslash
846 * cpphash.c (macroexpand): Correctly delete \r escapes when
847 stringifying parameters.
848 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
849 if we can; bail out early if we hit a line comment.
850 (handle_directive): Treat '# 123' in an .S file just like
851 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
852 Return 1 for '# not_a_directive'.
853 (get_directive_token): Pop macro buffers here, so that
854 cpp_get_token can't sneakily move past a newline.
856 (cpp_get_token): goto randomchar if handle_directive returns 0.
858 * cppalloc.c: Update copyright.
859 * cpplib.c: Merge all the static function prototypes into one
861 * cpplib.h: Remove #if 0 block.
863 * cpperror.c: Remove #ifdef EMACS block.
864 * cppmain.c: Likewise.
865 * cpphash.c: Remove #if 0 blocks.
866 * cppinit.c: Remove #if 0 blocks, and the -lint option.
867 * cpplib.c: Remove #if 0 blocks and code referencing
868 pcp_inside_if or for_lint. Remove duplicate error message.
869 Fix error messages for #else after #else or #elif. Reformat.
870 Remove archaic TODO list.
871 * cpplib.h: Remove pcp_inside_if and for_lint flags.
873 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
875 * i386/osf1elf.h: Add missing backslash to multiline string.
877 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
881 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * Makefile.in (c-common.o): Depend on $(EXPR_H).
885 * c-common.c: Include expr.h.
887 * c-pragma.c (mark_align_stack): Add prototype.
889 * caller-save.c (add_stored_regs): Likewise.
891 * combine.c (record_promoted_value): Likewise.
893 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
896 * cppinit.c (new_pending_define): Likewise.
898 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
900 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
901 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
902 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
903 class_scope_p): Likewise.
905 * dwarf2out.h (dwarf2out_set_demangle_name_func,
906 dwarf2out_add_library_unit_info): Likewise.
908 * ggc.h (ggc_page_print_statistics): Likewise.
910 * haifa-sched.c (propagate_deps): Likewise.
912 * reg-stack.c (next_flags_user, record_label_references): Likewise.
914 * rtl.h (set_stack_check_libfunc): Likewise.
916 * toplev.h (set_fatal_function): Likewise.
918 * toplev.c (set_fatal_function): Delete prototype.
920 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
922 2000-02-05 Geoff Keating <geoffk@cygnus.com>
924 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
925 (FUNC_END): Likewise.
927 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
929 * caller-save.c: Include tm_p.h.
931 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
933 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
935 2000-02-04 Neil Booth <NeilB@earthling.net>
937 * cccp.c (main): Check 'dir' for a NULL pointer before passing
940 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
942 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
943 * genflags.c: Use the max_operand_1 logic from genemit.c to
944 calculate how many arguments gen_insn prototypes have. Remove
945 NO_MD_PROTOTYPES ifdefs from the generated file.
946 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
947 file. Cast gen_insn initializers to insn_gen_fn.
948 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
949 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
951 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
953 * fixinc/Makefile.in (HDR): Add machname.h.
956 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
958 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
959 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
960 (c4x_cpu_version): Ditto.
961 * config/c4x/c4x-protos.h: ... here.
963 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
965 * dwarf2out.c (add_abstract_origin_attribute): Don't call
966 gen_abstract_function on our context if we're a nested function.
968 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
970 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
971 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
973 2000-02-04 Bruce Korb <bkorb@gnu.org>
975 * fixinc/genfixes(machname.h):
976 Move the functionality from gen-machine.h into this file.
977 UNdef MN_NAME_PAT if there are no names to change.
978 Also, be a little kinder when AutoGen is not present.
980 * fixinc/Makefile.in(machname.h):
981 Change the generation rule to use genfixes.
983 * fixinc/fixfixes.c(machine_name):
984 machine_name_fix's functionality now dependent upon whether
985 MN_NAME_PAT is defined.
987 * fixinc/fixtests.c(machine_name):
990 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
993 * fixinc/fixlib.h(mn_get_regexps):
996 * fixinc/gen-machine.h: DELETED
998 2000-02-04 Jan Hubicka <jh@suse.cz>
999 Richard Henderson <rth@cygnus.com>
1001 * i386.c (SAVE_REGS_FIRST): Remove.
1002 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
1003 (ix86_compute_frame_size): Likewise.
1004 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
1005 (ix86_emit_restore_regs): Remove.
1006 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1007 when a frame pointer is in use.
1008 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1009 instead of pop to restore a register when profitable; emit leave
1011 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1013 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1014 * i386.md (prologue_allocate_stack): Remove.
1015 (epilogue_deallocate_stack): Remove.
1016 (pro_epilogue_adjust_stack): New.
1018 2000-02-04 Richard Henderson <rth@cygnus.com>
1020 * function.c (diddle_return_value): Rework to use a callback function.
1021 Use current_function_return_rtx if it's been set up.
1022 (do_clobber_return_reg, clobber_return_register): New.
1023 (do_use_return_reg, use_return_register): New.
1024 (expand_function_end): Use them.
1025 * stmt.c (expand_null_return): Likewise.
1026 * function.h: Declare them.
1027 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1028 (mark_reg): Change arguments as appropriate for callback.
1029 * integrate.c (expand_inline_function): Revert 19 Jan change.
1031 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1033 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1034 (Misc): Say the scheduler, not the Haifa scheduler.
1036 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1038 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1039 when in_mem is set. Update all callers.
1041 2000-02-04 Richard Henderson <rth@cygnus.com>
1043 * i386/openbsd.h (INT_ASM_OP): Define.
1045 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1047 * tm.texi: Fix various typos.
1049 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1051 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1052 (MD_STARTFILE_PREFIX_1): New macro.
1054 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1056 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1057 destination when needed.
1058 (strmovsi, strsetsi): New expander.
1059 (strmovsi_1, strsetsi_1): New pattern.
1060 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1061 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1062 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1063 * invoke.texi (align-stringops, inline-all-stringops): Document.
1065 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1067 * i386/netbsd.h (INT_ASM_OP): Define.
1069 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1071 * cpplib.h (cpp_reader): Add new flag, no_directives.
1072 * cpphash.c (macarg): Set it.
1073 * cpplib.c (handle_directive): If no_directives is on and we
1074 find a directive, issue an error and discard the line.
1076 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1078 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1079 FP constants. Add ! TARGET_FPU check for FP constants.
1081 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1083 * flow.c (find_basic_blocks): Don't kill label_value_list
1085 (cleanup_cfg): Kill it here.
1087 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1089 * expr.c (store_field): Ensure ALIGN is no stricter than the
1092 2000-02-02 Richard Henderson <rth@cygnus.com>
1094 * jump.c (delete_insn): Partially revert 19 Jan change;
1095 don't convert unused code labels to notes at -O0.
1097 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1099 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1100 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1102 2000-02-01 Richard Henderson <rth@cygnus.com>
1104 * i386.c (general_no_elim_operand): New.
1105 (nonmemory_no_elim_operand): New.
1106 (ix86_expand_move): Copy eliminable operands before a push.
1107 * i386-protos.h: Declare new functions.
1108 * i386.h (CAN_ELIMINATE): Simplify.
1109 (PREDICATE_CODES): Update.
1110 * i386.md (push insns): Don't allow eliminable register operands.
1112 2000-02-01 Richard Henderson <rth@cygnus.com>
1114 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1115 replace BLKmode with DECL_RTL's mode.
1117 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1119 * frame.c (find_fde): Convert for loop to do-while so compiler
1120 sees it's always executed at least once.
1121 * libgcc2.c (BBINBUFSIZE): Kill.
1122 (__bb_init_prg): Use fgets.
1123 (__bb_exit_trace_func): Don't paste strings.
1124 * unroll.c (unroll_loop): Initialize unroll_type, not
1125 unroll_number, and tweak logic to match.
1127 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1129 (ix86_flags_dependant): Likewise. Disentangle control flow.
1130 (ix86_sched_reorder): Break guts out to
1131 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1132 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1135 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1136 use string concatenation. Don't save and restore esi.
1138 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1139 (machname.h): Remove script to separate file. Use two-step
1140 sequence so target is not created if script fails.
1141 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1142 identifiers are defined.
1143 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1144 an empty string, machine_name doesn't need to do anything at
1146 (is_cxx_header): Add more cases to regexp.
1147 * fixinc/fixlib.h: Update prototype.
1148 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1150 * fixinc/fixincl.c: Define NO_BOGOSITY.
1152 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1153 (hp_sysfile): Add missing comma.
1154 (math_exception): Put the wrapper ifdefs at the beginning and
1155 the end of the file.
1156 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1158 2000-02-01 Richard Henderson <rth@cygnus.com>
1160 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1161 Use CONST0_RTX. Update all callers.
1162 * sparc.h, sparc-protos.h: Update accordingly.
1163 * sparc.md (fp mov insns): Use fp_zero_operand directly
1166 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1168 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1171 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * Makefile.in (specs.ready): New target.
1174 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1176 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * fixinc.irix: Use unique filenames for writing into /tmp,
1179 * fixinc.ptx: Likewise.
1180 * fixinc.sco: Likewise.
1181 * fixinc.svr4: Likewise.
1182 * fixinc.winnt: Likewise.
1184 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1186 * tsystem.h: New file.
1188 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1189 s-crtS): Depend on tsystem.h.
1191 * crtstuff.c: Include tsystem.h.
1192 * frame.c: Likewise.
1193 * libgcc2.c: Likewise.
1195 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1197 * builtins.c (expand_builtin_memset): Expand for variable sized
1200 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1202 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1205 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1207 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1209 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1211 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1213 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1214 case 3->2 combining (combining with splitting) in which 2 is CC0
1215 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1216 checked at the begining of the function with the aid of calling
1217 function 'can_combine_p'.
1219 2000-01-31 Dave Brolley <brolley@redhat.com>
1221 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1223 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1225 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1228 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1230 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1232 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1235 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1237 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1238 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1239 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1240 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1241 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1242 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1243 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1244 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1245 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1246 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1248 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1249 Add %(cpp_cpu) to CPP_SPEC.
1251 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1252 Add %(cc1_cpu) to CC1_SPEC.
1254 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1256 * c-decl.c (c_decode_option): Accept optional numeric argument to
1257 -Wformat and set warn_format.
1258 * c-common.c: Don't emit warning about non-constant printf format
1259 string unless warn_format > 1.
1261 2000-01-30 Richard Henderson <rth@cygnus.com>
1263 * alpha.md (return_internal): Allow after reload only.
1265 2000-01-30 Richard Henderson <rth@cygnus.com>
1267 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1268 local frame size is zero.
1270 2000-01-30 Richard Henderson <rth@cygnus.com>
1272 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1273 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1274 * alpha.md (return): Turn into an expander.
1275 (return_internal): Don't use $26.
1276 (epilogue): Emit the return insn.
1278 2000-01-30 Richard Henderson <rth@cygnus.com>
1280 * alpha.md (negtf2, abstf2): Fix word order thinko.
1282 (trunctfsf2): Avoid intermediate rounding errors.
1284 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1286 * cppfiles.c (find_position): Drop 'colp' argument, return the
1288 (read_and_prescan): Adjust to match. Don't ever manipulate
1289 line or line_base except via find_position.
1291 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1293 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1294 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1297 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1299 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1300 just print "<command line>". If 'filename' is null or an
1301 empty string, print "<stdin>" for the filename.
1302 * cpplib.c (do_define): Don't print the 'location of the
1303 previous definition' message if we're still parsing the
1305 (cpp_pedwarn_with_file_and_line): Always call
1306 cpp_file_line_for_message.
1308 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1310 * flow.c (mark_regs_live_at_end): Fix typo.
1312 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1314 * c-common.c: Adjust variable names, comments, help strings to c99.
1315 * c-lex.c: Likewise.
1316 * c-parse.y: Likewise.
1317 * c-tree.h: Likewise.
1319 * cpplib.h: Likewise.
1320 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1321 * cppinit.c: Likewise.
1323 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1325 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1326 * c4x.c: Define the optab rtx values.
1327 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1328 (c4x_emit_libcall): Use new optab rtx values.
1329 (c4x_emit_libcall3): Likewise.
1330 (c4x_emit_libcall_mulhi): Likewise.
1331 * c4x-protos.h: Add prototypes for optab rtx values and change
1332 prototypes for above c4x_emit_libcall functions.
1334 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1336 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1338 (c4x_function_prologue): Use regnames intead of float_reg_names when
1340 (c4x_function_epilogue): Likewise.
1341 (c4x_print_operand): Likewise.
1342 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1343 * c4x.md (set_high): Disable for TARGET_TI.
1345 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1347 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1348 of framepointer + constant to ADDR_REGS class.
1349 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1350 * c4x.c (std_or_reg_operand): New function.
1351 * c4x-protos.h (std_or_reg_operand): Prototype it.
1353 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1355 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1356 object names as libgcc2.c.
1357 * libgcc.S: Use newly defined names.
1359 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1360 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1362 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1363 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1364 (FLOW_LOOP_LAST_BLOCK): Likewise.
1366 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1368 * basic-block.h (struct loop): New fields 'first' and 'last'.
1369 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1370 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1371 and loop->last to check for NOTE_INSN_LOOP_END.
1373 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1375 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1376 of the loop descriptor rather than HEADER and LATCH. Also added
1377 missing break statements as well making some coding style modifications
1378 as suggested by Michael Hayes.
1380 2000-01-28 Richard Henderson <rth@cygnus.com>
1382 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1383 Break out that code ...
1384 (cleanup_cfg): ... here.
1385 (commit_one_edge_insertion): Detect a return instruction being
1386 emitted to an edge. Emit a barrier following; clear fallthru.
1387 (commit_edge_insertions): Verify CFG consistency.
1388 * function.c (expand_function_start): Kill unused variable.
1389 (expand_function_end): Likewise.
1390 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1391 to insert the epilogue.
1393 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1394 (delete_null_pointer_checks): Likewise.
1395 * output.h: Likewise.
1396 * reg-stack.c (reg_to_stack): Likewise.
1397 * toplev.c (rest_of_compilation): Likewise. Run
1398 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1400 2000-01-28 Richard Henderson <rth@cygnus.com>
1402 * Makefile.in (flow.o): Revert 24 Jan change.
1403 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1404 FUNCTION_VALUE result to DECL_RESULT's mode.
1406 * haifa-sched.c (schedule_insns): Don't recompute reg info
1409 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1411 * configure.in: Make --enable-cpplib the default.
1412 * configure: Regenerate.
1413 * gcc.dg/990119-1.c: No longer expected to fail.
1415 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1417 * jump.c (jump_optimize_1): Delete an optimization that is also done
1418 by merge_blocks in flow.
1420 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1422 * diagnostic.c (build_message_string, output_printf,
1423 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1424 (build_location_prefix): Fix non-literal format string.
1426 2000-01-27 Richard Henderson <rth@cygnus.com>
1428 * alpha.md (trunctfsf2): New.
1430 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1432 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1434 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1436 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1438 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1440 (skip_comment) ... here. Permit C++ comments in system
1441 headers always. Warn about C++ comments in user code under
1442 -std=gnu89 -pedantic.
1443 (copy_comment): Use skip_comment.
1444 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1446 (consider_directive_while_skipping, do_else, do_endif): Call
1447 validate_else unconditionally.
1448 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1449 text after the conditional in a system header.
1450 * cpplib.h (struct cpp_buffer): Add flag
1451 warned_cplusplus_comments.
1453 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1455 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1456 Use unshare_all_rtl_1.
1457 (unshare_all_rtl_again): New function.
1458 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1460 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1461 rather than resetting the 'used' flags ourself.
1463 * toplev.c (rest_of_compilation): Add current_function_decl
1464 to the unshare_all_rtl call.
1465 * tree.h: Prototype unshare_all_rtl.
1466 * rtl.h: Prototype unshare_all_rtl_again here.
1468 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1470 * genoutput.c (output_prologue): Include ggc.h in generated
1472 * Makefile.in (insn-output.o): Depends on ggc.h.
1474 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1475 Hans-Peter Nilsson <hp@bitrange.com>
1477 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1478 Remove redundant include of xm-ns32k.h.
1479 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1480 Remove redundant include of xm-ns32k.h.
1481 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1482 Remove redundant include of xm-ns32k.h.
1483 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1485 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1486 (TARGET_SWITCHES): Add documentation strings.
1487 (DWARF_FRAME_REGNUM): Override default definition.
1488 (REG_CLASS_CONTENTS): Add comments.
1489 (SUBSET_P): Format to reduce line length.
1490 (SMALL_REGISTER_CLASSES): Make a run time option.
1491 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1492 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1493 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1494 (regclass_map): fix typo in comment.
1495 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1496 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1497 (trace, reg_or_mem_operand): Delete, unused function.
1498 (calc_address_cost): Small offsets are cheaper than large ones.
1499 (expand_block_move): Generate more efficient code when bytes is a
1500 known at compile time.
1501 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1502 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1503 instead of reg_or_mem_operand.
1505 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1506 not general_operand. Similarly use "=rm" or stricter, not "=g".
1507 For input operands, use stricter constraints than "g" if not
1508 general_operand. Similarly use stricter predicate than
1509 "general_operand" when stricter constraints than "g" are present,
1510 except for matching constraints.
1511 (movstrsi): Use "memory_operand" for operands 0 and 1.
1512 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1513 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1514 not reg_or_mem_operand.
1515 (udivmoddisi4): Ditto.
1516 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1517 Use nonimmediate_operand for operand 3, not register_operand.
1518 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1521 2000-01-27 Fred Fish <fnf@be.com>
1523 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1524 * gthr-single.h: Likewise.
1525 * gthr-solaris.h: Likewise.
1526 * gthr-vxworks.h: Likewise.
1527 * gthr-win32.h: Likewise.
1530 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1532 * cppinit.c: Add " (cpplib)" to end of string printed by
1535 2000-01-27 Richard Henderson <rth@cygnus.com>
1537 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1538 testing for a signed comparison.
1539 (alpha_emit_floatuns): New.
1540 * alpha-protos.h: Declare it.
1541 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1542 (extendsfdf2): Tidy.
1544 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1546 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1547 no -g option specifying debugging format, default to -gstabs+.
1549 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1551 * calls.c (special_function_p): New argument fork_or_exec.
1552 (expand_call): When profile_arc_flag is set and the function
1553 is in the fork_or_exec group, call __bb_fork_func first.
1554 * libgcc2.c, _bb module (__bb_fork_func): New function.
1555 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1557 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1558 * tree.h (special_function_p): Update prototype.
1560 2000-01-26 Richard Henderson <rth@cygnus.com>
1562 * alpha.c (alpha_split_tfmode_pair): New.
1563 * alpha-protos.h: Declare it.
1564 * alpha.md (abstf2, negtf2): New.
1565 (movtf insn): Add input G constraint.
1566 (movtf splitter): Use alpha_split_tfmode_pair.
1568 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1570 * i386/cygwin.h: PROTO -> PARAMS.
1572 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1574 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1575 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1576 using _Qp_cmp/_Q_cmp and testing the return value.
1577 (print_operand): Call reverse_condition_maybe_unordered if
1578 we are handling CCFPmode or CCFPEmode.
1579 Handle ORDERED, UN* and LTGT comparisons.
1580 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1581 if not TARGET_HARD_QUAD.
1582 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1583 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1584 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1585 Adjust gen_b* calls so that they reflect return comparison of
1586 sparc_emit_float_lib_cmp.
1588 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1590 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1591 incoming operands array is large enough for one more operand.
1592 (alpha_emit_xfloating_arith): Likewise.
1594 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1596 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1597 file with one line and no trailing newline.
1598 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1599 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1600 checking if the match is on the line.
1601 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1603 2000-01-25 Richard Henderson <rth@cygnus.com>
1605 * sparc.c (output_cbranch): Fix accidental squashing of the
1606 fp branch pre-delay nop.
1608 2000-01-25 Richard Henderson <rth@cygnus.com>
1610 * tree.def (UNNE_EXPR): Remove.
1611 * c-typeck.c (build_binary_op): Don't handle it.
1612 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1614 * rtl.def (UNNE): Remove.
1616 * jump.c (reverse_condition): Update accordingly.
1617 (swap_condition): Likewise.
1618 (comparison_dominates_p): Handle unordered comparisons.
1619 (reverse_condition_maybe_unordered): New.
1620 * rtl.h (reverse_condition_maybe_unordered): Declare.
1622 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1623 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1624 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1625 * sparc.md (bltgt): New.
1627 2000-01-25 Nick Clifton <nickc@redhat.com>
1629 * emit-rtl.c (emit_insn): Only check machine class insns for
1630 improper emission of a RETURN.
1632 2000-01-25 Richard Henderson <rth@cygnus.com>
1634 * Makefile.in (flow.o): Depend on $(EXPR_H).
1635 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1636 duplicate the structure of diddle_return_value for keeping regs live.
1638 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1640 * loop.c (current_loop_info): Delete.
1641 (consec_sets_invariant_p): Add loop argument, update callers.
1642 (get_condition_for_loop): Likewise.
1643 (count_nonfixed_reads, update_giv_derive): Likewise.
1644 (simplify_giv_expr, general_induction_var): Likewise.
1645 (consec_sets_giv, recombine_givs): Likewise.
1646 (move_movables): Delete loop_start and loop_end arguments,
1647 add loop argument, and update callers.
1648 (find_mem_givs, check_final_value): Likewise.
1649 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1650 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1652 (basic_induction_var): Add loop argument, delete loop_level argument,
1654 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1655 add loop argument, and update callers.
1656 (find_splittable_regs, find_splittable_givs): Likewise.
1657 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1658 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1659 (biv_total_increment): Delete loop_start and loop_end arguments;
1661 (precondition_loop_p): Delete loop_start and loop_info arguments;
1663 * loop.h (get_condition_for_loop): Add loop argument.
1664 (biv_total_increment): Delete loop_start and loop_end arguments.
1665 (precondition_loop_p): Delete loop_start and loop_info arguments;
1667 (final_biv_value): Delete loop_start and loop_end arguments;
1669 (final_giv_value, back_branch_in_range_p): Likewise.
1671 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1673 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1675 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1677 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1678 point to the new "generated_files" doc.
1680 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1682 * config/fp-bit.c (_unord_f2): Fix typo.
1684 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1686 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1687 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1688 functions obsoleted by GC, such as push_obstacks_nochange,
1689 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1690 and code which existed only to decide whether or not to call
1691 them. Remove now-unused NESTED argument from start_function;
1692 all callers changed. Do not change behavior based on ggc_p.
1693 The use of the ixp_obstack in c-iterate.c and the util_obstack
1694 in objc/objc-act.c remain; these are not obsoleted by garbage
1696 * c-tree.h: Update prototype for start_function.
1698 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1700 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1702 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1705 2000-01-25 Richard Henderson <rth@cygnus.com>
1707 * sparc-protos.h (select_cc_mode): Declare.
1708 * sparc.c (select_cc_mode): New. Handle unordered compares.
1709 (output_cbranch): Always reverse via code change. Handle
1710 unordered compares. Factor tests and string updates.
1711 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1712 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1713 * sparc.md (bunordered, bordered): New.
1714 (bungt, bunlt, buneq, bunge, bunle): New.
1716 2000-01-25 Richard Henderson <rth@cygnus.com>
1718 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1719 * ggc-common.c (ggc_add_rtx_varray_root): New.
1720 (ggc_mark_rtx_varray): New.
1721 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1722 functions down below ggc_mark_foo.
1723 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1725 2000-01-25 Richard Henderson <rth@cygnus.com>
1727 * alpha.c (secondary_reload_class): Don't allocate a secondary
1728 for integral mode memories into FLOAT_REGS. Rearrange the more
1729 complicated memory expression inward.
1731 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1733 * inclhack.def: Fixes to play nicer with FreeBSD, and
1734 corrections to comments.
1735 (cxx_unready): Add select expression.
1736 (irix_sockaddr): Add bypass expression.
1737 (machine_ansi_h_va_list): New fix.
1738 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1739 Split out addition of "#include <stdarg.h>" to...
1740 (stdio_stdarg_h): ... here.
1741 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1742 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1743 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1745 (ultrix_ifdef): Tighten up select expression.
1747 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1748 re_ct and max_mach to avoid use of shell. Make printed names
1749 match names in inclhack.def. Use static copyright date.
1750 Don't count c_test and test expressions as requiring regex_t
1751 slots. Add some commentary.
1752 * inclhack.tpl: Do not include the 'This script contains N
1753 fixup scripts' line if PROGRAM is defined. Use static
1756 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1758 * dwarf2out.c: include "varray.h", not dyn-string.h.
1759 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1760 (addr_const_to_string, addr_to_string): Lose.
1761 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1762 (struct dw_val_struct): val_addr is now an rtx.
1763 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1764 (used_rtx_varray): New varray.
1765 (dwarf2out_init): Initialize it.
1767 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1769 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1770 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1771 * Makefile.in (dwarf2out.o): Update dependencies.
1773 2000-01-24 Richard Henderson <rth@cygnus.com>
1775 * i386.c (i386_dwarf_output_addr_const): New.
1776 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1778 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1780 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1781 * i386.c (i386_simplify_dwarf_addr): New.
1782 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1784 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1786 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1787 TYPE_STUB_DECL is NULL.
1789 2000-01-24 Richard Henderson <rth@cygnus.com>
1791 * builtins.c (expand_tree_builtin): Move ...
1792 * c-common.c (expand_tree_builtin): ... here.
1794 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1796 * loop.h (LOOP_INFO): New accessor macro.
1797 * basic-block.h (struct loop): Rename field `info' to `aux'.
1798 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1799 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1800 * unroll.c (loop_iterations, unroll_loop): Likewise.
1802 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1804 * config/i386/t-cygwin: Accomodate new winsup directory layout
1805 when searching for include files.
1807 2000-01-24 Richard Henderson <rth@cygnus.com>
1809 * rtl.def: Add unordered fp comparisions.
1810 * tree.def: Likewise.
1811 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1813 * builtins.c (expand_tree_builtin): New function.
1814 * c-typeck.c (build_function_call): Use it.
1815 (build_binary_op): Support unordered compares.
1816 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1818 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1819 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1820 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1821 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1822 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1824 (swap_condition): Handle unordered compares.
1825 (thread_jumps): Check can_reverse before reversing.
1826 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1829 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1830 setcc is present before acking for cmp_optab. Update all callers.
1831 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1832 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1833 * expr.c (expand_expr): Likewise. Support unordered compares.
1834 (do_jump, do_store_flag): Likewise.
1835 * expr.h (enum libfunc_index): Add unordered compares.
1837 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1838 (DPBIT_FUNCS): Add _unord_df.
1839 * config/fp-bit.c (_unord_f2): New.
1840 * fp-test.c (main): Try unordered compare builtins.
1842 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1843 * alpha.c (alpha_comparison_operator): Check mode properly.
1844 (alpha_swapped_comparison_operator): Likewise.
1845 (signed_comparison_operator): Likewise.
1846 (alpha_fp_comparison_operator): New.
1847 (alpha_emit_conditional_branch): Handle unordered compares.
1848 * alpha.h (PREDICATE_CODES): Update.
1849 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1850 (bunordered, bordered): New.
1852 2000-01-24 Richard Henderson <rth@cygnus.com>
1854 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1855 * alpha.md (movtf): New expander, insn, and splitter.
1857 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1859 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1862 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1864 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1865 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1866 REG_ALLOC_ORDER): Add frame pointer
1867 (FRAME_POINTER_REGNUM): Set to 20
1868 (HARD_FRAME_POINTER_REGNUM): New macro.
1869 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1870 to HARD_FRAME_POINTER.
1871 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1872 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1873 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1874 (HI_REGISTER_NAMES): Add "frame".
1875 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1876 (debug_reg): Handle FRAME_POINTER_REGNUM.
1877 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1878 GENERAL_REGS and INDEX_REGS.
1879 * i386.c (SAVED_REGS_FIRST): new macro.
1880 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1881 (ix86_decompose_address, memory_address_length): Likewise.
1882 (regclass_map): Add frame pointer.
1883 (call_insn_operand): Handle frame_pointer_rtx.
1884 (reg_no_sp_operand): Likewise.
1885 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1886 (print_operand, legitimize_pic_address): Fix formating.
1887 (ix86_compute_frame_size): Make static, update prototype, new
1888 parameters padding1, padding2, use ix86_nsaved_regs, use
1889 stack_alignment_needed.
1890 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1891 to HARD_FRAME_POINTER_REGNUM conversions.
1892 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1893 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1894 (print_reg): Abort on FRAME_POINTER_REGNUM
1896 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1898 * i386.h (PREDICATE_CODES): Add aligned_operand.
1899 * i386.c (aligned_operand): New function.
1900 (ix86_aligned_p): Kill.
1901 * i386.md (movhi_1): Emit mov for aligned operands.
1902 (promoting peep2s): Use aligned_operand.
1904 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1906 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1907 expression to allow underscores in macro names.
1908 (fix_char_macro_defines): Increment scanning pointer.
1910 2000-01-23 Richard Henderson <rth@cygnus.com>
1912 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1913 * alpha/osf5.h: New file.
1914 * configure.in (alpha-*-osf5): Add it to tm_file.
1916 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1918 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1919 (alpha_emit_xfloating_cvt, function_arg): Declare.
1920 * alpha.c (alpha_emit_conditional_branch): Call
1921 alpha_emit_xfloating_compare for TFmode compares.
1922 (alpha_lookup_xfloating_lib_func): New.
1923 (alpha_compute_xfloating_mode_arg): New.
1924 (alpha_emit_xfloating_libcall): New.
1925 (alpha_emit_xfloating_arith): New.
1926 (alpha_emit_xfloating_compare): New.
1927 (alpha_emit_xfloating_cvt): New.
1928 (print_operand): Add default abort case.
1929 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1930 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1931 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1932 (RETURN_IN_MEMORY): True for TF/TCmode.
1933 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1934 (FUNCTION_ARG): Move to function_arg.
1935 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1936 (ASM_OUTPUT_LONG_DOUBLE): New.
1937 (ASM_OUTPUT_DOUBLE): Always output bits.
1938 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1939 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1940 (extenddftf2, trunctfdf2): New.
1942 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1944 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1945 * config/sparc/sol2.h: ... here.
1947 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1949 * basic-block.h (struct loops): New field `levels'.
1950 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1951 (flow_loop_level_compute): Initialise level to 1.
1952 (flow_loops_find): Set loops->levels.
1953 (flow_loops_dump): Print loops->levels.
1955 2000-01-23 Richard Henderson <rth@cygnus.com>
1957 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1958 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1960 2000-01-23 Richard Henderson <rth@cygnus.com>
1962 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1963 * i386.h (DBX_REGISTER_NUMBER): Use them.
1964 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1965 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1966 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1967 * i386/sequent.h: Kill incorrect comment.
1969 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1971 * ggc-page.c (struct page_entry): Make `context_depth' an
1973 (struct globals): Likewise.
1975 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1977 * loop.c (check_dbra_loop): When checking a loop for
1978 reversability, check the source of any stores to ensure
1979 they don't depend on an initial value.
1981 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1983 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1985 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1987 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1988 'pz_scan' into scope of entire function. Only affects
1989 compiles with -DDEBUG.
1991 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1993 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1994 section naming to that prior to 2000-01-07 patch.
1995 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1996 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1997 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1998 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1999 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
2001 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
2003 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
2006 2000-01-21 Jim Wilson <wilson@cygnus.com>
2008 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2009 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2011 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2013 * cpphash.c (change_newlines): Delete function.
2014 (struct argdata): Delete 'newlines' and 'use_count' fields.
2015 (macroexpand): Remove code referencing those fields.
2017 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2019 * loop.c (loops_info): New variable.
2020 (loop_optimize): Allocate loops->array and free it on exit.
2021 Allocate memory for loops_info and assign to each loop,
2023 (find_and_verify_loops): Do not allocate loops->array.
2025 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2027 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2029 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2031 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2032 pseudos if expanded after first flow.
2033 (movdi_pic_label_ref): Likewise.
2035 2000-01-20 Richard Henderson <rth@cygnus.com>
2037 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2039 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2041 * Makefile.in (fixinc.sh): Depend on specs.
2042 * fixinc/Makefile.in: Add rule to create machname.h.
2043 (fixlib.o): Depend on machname.h.
2044 * fixinc/fixtests.c (machine_name): New test.
2045 * fixinc/fixfixes.c (machine_name): New fix.
2046 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2047 the machine_name test and fix.
2048 * fixinc/fixlib.h: Prototype it.
2049 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2050 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2052 * gcc.c (do_spec_1) [case P]: Take care not to create
2053 identifiers with three leading or trailing underscores.
2055 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2056 (fixincl): Don't specify libraries twice on link line.
2057 (gnu-regex.o): Remove special rule.
2058 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2059 defined by config.h. Do not define _REGEX_RE_COMP.
2060 (regcomp): Allocate and initialize a fastmap.
2061 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2063 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2065 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2067 2000-01-19 Richard Henderson <rth@cygnus.com>
2069 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2070 arguments with BB. Update all callers. Tidy line wrapping.
2072 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2074 * emit-rtl.c (try_split): Return last_insn if we split the
2077 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2079 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2080 (ix86_initial_elimination_offset): Declare.
2081 * i386.c (ix86_nsaved_regs): Break out from ...
2082 (ix86_can_use_return_insn_p): ... here.
2083 (ix86_emit_save_regs): Break out from ...
2084 (ix86_expand_prologue): ... here.
2085 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2087 (ix86_expand_epilogue): ... here.
2088 (ix86_compute_frame_size): Make static, add prototype.
2089 (ix86_initial_elimination_offset): Break out from ...
2090 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2092 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2094 * recog.h (OUT_FCN): Delete.
2096 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2098 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2100 * cppalloc.c: PROTO -> PARAMS.
2101 * cpperror.c: Likewise.
2102 * cppfiles.c: Likewise.
2103 * cpplib.c: Likewise.
2104 * cpplib.h: Likewise.
2106 * config/arm/arm-protos.h: PROTO -> PARAMS.
2107 * config/arm/arm.c: Likewise.
2108 * config/c4x/c4x.c: Likewise.
2109 * config/fr30/fr30-protos.h: Likewise.
2110 * config/nextstep.c: Likewise.
2111 * config/pa/pa.c: Likewise.
2112 * config/pj/pj.c: Likewise.
2113 * config/rs6000/rs6000.c: Likewise.
2114 * config/v850/v850-protos.h: Likewise.
2115 * config/v850/v850.c: Likewise.
2117 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2119 * i370-protos.h: New file.
2121 * i370.c: Include tm_p.h. Fix compile time warnings.
2123 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2126 * i370.md: Likewise.
2128 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2130 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2131 (target_isinf, target_isnan, eisnan): Mark parameter with
2133 (eiisinf): Wrap in INFINITY.
2134 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2135 (ibmtoe): Remove unused variable `rndsav'.
2137 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2140 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2142 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2144 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2145 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2146 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2148 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2149 Recognize Emacs mode markers also.
2150 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2151 C++ comments in C++ headers. Call is_cxx_header only if
2154 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2156 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2157 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2158 ... these, which use the new C fixes.
2159 (math_exception): Escape literal '+' in bypass expression.
2161 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2164 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2166 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2169 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2171 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2172 prior to calling scan_loop.
2174 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2176 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2177 (split_branches, calc_live_regs): Likewise.
2179 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2181 * sh.md (fpu_single, fp_mode): New attributes.
2183 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2185 * loop.c (current_loop_info): Renamed from loop_info_data
2186 and changed to a pointer.
2187 (loop_optimize): Allocate loop_info structure for each loop
2188 and initialise to zero.
2189 (scan_loop): Set current_loop_info.
2191 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2194 2000-01-19 Richard Henderson <rth@cygnus.com>
2196 * stupid.c: Die die die.
2197 * Makefile.in (OBJS): Remove stupid.o.
2198 (stupid.o): Likewise.
2200 * except.c (emit_eh_context): Don't emit USEs for stupid.
2201 * explow.c (probe_stack_range): Likewise.
2202 * flags.h (obey_regdecls): Remove.
2203 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2204 when not optimizing.
2205 (life_analysis): Limit data collection when not optimizing.
2206 (mark_regs_live_at_end): Always mark the return value registers.
2207 (mark_used_regs): Remove dummy RETURN case.
2208 (print_rtl_with_bb): Don't consult obey_regdecls.
2209 * function.c (use_variable, use_variable_after): Remove.
2210 (assign_parms): Consult optimize not obey_regdecls.
2211 (expand_function_start): Don't emit USEs for stupid.
2212 (expand_function_end): Likewise.
2213 * global.c (build_insn_chain): Export.
2214 * integrate.c (expand_inline_function): Kill return-value USE
2216 * jump.c (jump_optimize_1): Do simple jump optimizations and
2217 dead code elimination.
2218 (calculate_can_reach_end): Remove check_deleted argument.
2219 (delete_insn): Patch out insns even when not optimizing.
2220 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2221 * rtl.h (use_variable, use_variable_after): Remove declarations.
2222 (build_insn_chain): Declare.
2223 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2224 (expand_end_bindings): Likewise.
2225 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2226 * toplev.c (obey_regdecls): Remove.
2227 (rest_of_compilation): Don't set it. Kill stupid in favour of
2228 flow1, local-alloc, and reload.
2229 (main): Don't set obey_regdecls.
2231 * config/nextstep.c (handle_pragma): Likewise.
2233 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2235 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2237 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2239 * alpha-protos.h: PROTO -> PARAMS.
2240 * alpha.c: Likewise.
2242 * h8300.c: Likewise.
2243 * i386-protos.h: Likewise.
2245 * m32r-protos.h: Likewise.
2248 * mips.md: Likewise.
2249 * gmon-sol2.c: Likewise.
2250 * sparc.c: Likewise.
2252 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2254 * ns32k-protos.h: New file.
2256 * ns32k.c: Fix compile time warnings.
2258 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2261 * ns32k.md: Likewise.
2263 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2265 * vax-protos.h: New file.
2267 * vax.c: Fix compile time warnings.
2269 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2274 * vaxv.md: Likewise.
2276 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2278 * romp-protos.h: New file.
2280 * romp.c: Fix compile time warnings.
2282 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2285 * romp.md: Likewise.
2287 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2289 * we32k-protos.h: New file.
2291 * we32k.c: Fix compile time warnings.
2293 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2296 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2300 * except.c (eh_regs): Likewise.
2302 * final.c (output_operand): Likewise.
2304 * fold-const.c (target_isinf, target_isnan): Likewise.
2306 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2308 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2309 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2311 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2313 (clrstrsi): Rewrite.
2314 (strsethi, strsetqi): New expanders.
2315 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2316 (cmpstrsi): Emit compare insn before cmpstrsi_1
2317 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2318 (strlensi_1): Likewise.
2319 (cmpstrsi_1): Likewise; do not output compare.
2320 (strlen expander): Do not unroll when optimizing for size.
2321 (*subsi3_carry): Rename to subsi3_carry
2322 (addqi3_cc): New pattern.
2323 * i386.h (processor_costs): Add move_ratio field.
2324 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2325 * i386.c (*_cost): Set move_ratio.
2326 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2327 (x86_expand_strlensi_1): Rewrite the main loop.
2329 2000-01-17 Richard Henderson <rth@cygnus.com>
2331 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2332 * cse.c (find_comparison_args, fold_rtx): Likewise.
2333 * integrate.c (subst_constants): Likewise.
2334 * loop.c (get_condition): Likewise.
2336 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2338 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2340 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2342 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2343 (RESTORE_WARN_FLAGS): Unpack it.
2344 Change semantic type of extension to ttype.
2345 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2346 * c-parse.y, c-parse.c, objc/objc-parse.y,
2347 objc/objc-parse.c: Regenerate.
2349 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2351 * fixinc/fixlib.c: Add copyright notice.
2352 (compile_re): New function.
2353 * fixinc/fixlib.h: Prototype compile_re.
2355 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2356 Use compile_re to compile regular expressions.
2358 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2359 where the pattern matched.
2361 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2363 (ultrix_ansi_compat): Likewise.
2364 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2366 (interactv_add2, interactv_add3): Delete.
2367 (x11_sprintf): Don't use filename glob.
2368 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2371 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * print-rtl.c: PROTO -> PARAMS.
2375 * reg-stack.c: Likewise.
2376 * resource.c: Likewise.
2377 * sdbout.h: Likewise.
2378 * simplify-rtx.c: Likewise.
2379 * stor-layout.c: Likewise.
2380 * stupid.c: Likewise.
2381 * xcoffout.c: Likewise.
2382 * xcoffout.h: Likewise.
2384 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2386 * toplev.c: PROTO -> PARAMS.
2387 * toplev.h: Likewise.
2390 * unroll.c: Likewise.
2391 * varasm.c: Likewise.
2392 * varray.c: Likewise.
2393 * varray.h: Likewise.
2395 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2397 * reload.c: PROTO -> PARAMS.
2398 * reload.h: Likewise.
2399 * reload1.c: Likewise.
2400 * reorg.c: Likewise.
2401 * resource.h: Likewise.
2404 * rtlanal.c: Likewise.
2405 * sbitmap.h: Likewise.
2406 * sdbout.c: Likewise.
2407 * stack.h: Likewise.
2409 * system.h: Likewise.
2411 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2413 * machmode.h: PROTO -> PARAMS.
2414 * mbchar.h: Likewise.
2415 * mips-tdump.c: Likewise.
2416 * mips-tfile.c: Likewise.
2417 * optabs.c: Likewise.
2418 * output.h: Likewise.
2419 * prefix.c: Likewise.
2420 * profile.c: Likewise.
2421 * protoize.c: Likewise.
2423 * recog.c: Likewise.
2424 * recog.h: Likewise.
2425 * regclass.c: Likewise.
2426 * regmove.c: Likewise.
2429 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * ggc-common.c: PROTO -> PARAMS.
2432 * ggc-page.c: Likewise.
2433 * ggc-simple.c: Likewise.
2435 * global.c: Likewise.
2436 * graph.c: Likewise.
2437 * gthr-win32.h: Likewise.
2438 * haifa-sched.c: Likewise.
2439 * halfpic.h: Likewise.
2440 * integrate.c: Likewise.
2441 * integrate.h: Likewise.
2444 * local-alloc.c: Likewise.
2448 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2450 * genattr.c: PROTO -> PARAMS.
2451 * genattrtab.c: Likewise.
2452 * gencheck.c: Likewise.
2453 * gencodes.c: Likewise.
2454 * genconfig.c: Likewise.
2455 * genemit.c: Likewise.
2456 * genextract.c: Likewise.
2457 * genflags.c: Likewise.
2458 * gengenrtl.c: Likewise.
2459 * genopinit.c: Likewise.
2460 * genoutput.c: Likewise.
2461 * genpeep.c: Likewise.
2462 * genrecog.c: Likewise.
2464 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2466 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2468 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2470 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2471 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2472 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2473 * configure, config.in: Rebuilt.
2475 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2477 * config/i386/i386.md: Add peephole to merge successive stack
2480 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2482 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2483 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2484 when walking backwards to find all the parameter loads when
2485 the basic block ends in a call.
2487 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2489 * loop.c (this_loop_info): Delete.
2490 (uid_loop): Add in place of uid_loop_num. All uses updated.
2491 (loop_number_exit_count): Delete and replace with entry in loop
2492 structure. All uses updated.
2493 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2494 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2495 (loop_outer_loop): Likewise.
2496 (loop_invalid, loop_number_exit_labels): Likewise.
2497 (loop_used_count_register): Delete and replace with entry in
2498 loop_info structure.
2499 (find_and_verify_loops): Add loops argument.
2500 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2501 loop_end, etc. arguments with loop structure pointer. All callers
2503 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2504 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2505 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2506 (insert_bct): Likewise.
2507 (basic_induction_var): New argument level.
2508 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2509 vtop, and cont. Add used_count_register.
2510 (uid_loop): Delete declaration.
2511 (loop_number_exit_count): Likewise.
2512 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2513 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2514 (loop_outer_loop, loop_used_count_register): Likewise.
2515 (loop_invalid, loop_number_exit_labels): Likewise.
2516 (unroll_loop): Replace loop_start and loop_end arguments
2517 with loop structure pointer.
2518 (loop_precondition_p, loop_iterations): Likewise.
2519 Include basic-block.h.
2520 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2521 with loop structure pointer.
2522 (loop_precondition_p, loop_iterations): Likewise.
2523 * basic-block.h (struct loop): New entries vtop, cont,
2524 cont_dominator, start, end, top, scan_start, exit_labels,
2526 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2528 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2530 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2532 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2534 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2536 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * pdp11-protos.h: New file.
2540 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2543 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2546 * pdp11.md: Likewise.
2550 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * mn10300-protos.h: New file.
2554 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2557 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2560 * mn10300.md: Likewise.
2562 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 * mn10200-protos.h: New file.
2566 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2569 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2572 * mn10200.md: Likewise.
2574 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2576 * h8300-protos.h: New file.
2578 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2581 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2584 * h8300.md: Likewise.
2586 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2588 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2589 (asm_emit_uninitialised): Likewise.
2591 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2593 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2594 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2596 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2598 * config/mips/mips.c (override_options): Don't turn on extra
2599 alignment for mips16.
2601 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2603 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2604 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2607 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2609 * builtins.c (PAD_VARARGS_DOWN): Define.
2610 (std_expand_builtin_va_arg): Use the above macro.
2611 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2612 * tm.texi (Register Arguments): Document the above macro.
2614 2000-01-14 Nick Clifton <nickc@cygnus.com>
2616 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2617 that this function has not been used to emit a jump
2620 * jump.c (return_jump_1): Cope with being passed a null rtx.
2622 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2624 * eh-common.h: PROTO -> PARAMS.
2625 * emit-rtl.c: Likewise.
2626 * errors.c: Likewise.
2627 * errors.h: Likewise.
2628 * except.c: Likewise.
2629 * except.h: Likewise.
2630 * explow.c: Likewise.
2631 * expmed.c: Likewise.
2634 * final.c: Likewise.
2635 * fix-header.c: Likewise.
2637 * fold-const.c: Likewise.
2638 * function.c: Likewise.
2639 * function.h: Likewise.
2641 * gcov-io.h: Likewise.
2645 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * sh-protos.h: New file.
2649 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2650 Add static prototypes. Fix compile time warnings.
2652 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2656 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * arc-protos.h: New file.
2660 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2663 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2668 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * dsp16xx-protos.h: New file.
2672 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2675 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2678 * dsp16xx.md: Likewise.
2680 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * convex-protos.h: New file.
2684 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2687 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2690 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * elxsi-protos.h: New file.
2694 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2697 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2700 * elxsi.md: Likewise.
2702 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2704 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2705 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2706 match the comment for MIPS16.
2708 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2710 * flow.c (split_edge): Do not call set_block_for_insn if we
2711 do not have a basic_block_for_insn structure.
2713 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2714 and destination functions are 32bit aligned within the trampoline.
2715 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2716 (TRAMPOLINE_ALIGNMENT): Define.
2718 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2719 (set (pc) (label_ref)), verify the change creates a valid insn.
2721 * fr30.c (call_operand): Tighten and rework to match rules for
2722 call RTL expressions.
2723 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2724 * fr30.md (call patterns): Improve constraints.
2726 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2728 * fr30.c (fr30_expand_epilogue): Revert last change.
2729 Use emit_jump_insn for the return insn.
2731 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2732 Stan Cox <scox@cygnus.com>
2734 * predict.c: New file. Preliminary infrastructure work for static
2735 branch prediction and basic block reordering.
2736 * basic-block.h: Add prototype for estimate_probability.
2737 * Makefile.in: Add rules for predict.o.
2739 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2741 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2742 * fixinc/*: Likewise.
2744 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2746 * cccp.c: PROTO -> PARAMS.
2748 * collect2.c: Likewise.
2749 * combine.c: Likewise.
2750 * convert.h: Likewise.
2752 * dbxout.c: Likewise.
2753 * dbxout.h: Likewise.
2754 * diagnostic.c: Likewise.
2755 * doprint.c: Likewise.
2756 * dwarf2out.c: Likewise.
2757 * dwarf2out.h: Likewise.
2758 * dwarfout.c: Likewise.
2759 * dwarfout.h: Likewise.
2760 * dyn-string.h: Likewise.
2762 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2764 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2765 macro conditionals guarding use.
2767 * dwarf2out.c: Include "tm_p.h".
2769 * function.c (locate_and_pad_parm): Mark parameter with
2771 (expand_function_end): Likewise for variable `context'.
2773 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2775 2000-01-13 Nick Clifton <nickc@cygnus.com>
2777 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2778 register to prevent compile time warnings.
2780 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2782 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2783 to avoid -Wtraditional warning.
2785 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * 1750a-protos.h: New file.
2789 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2792 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2795 * 1750a.md: Likewise.
2797 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * a29k-protos.h: New file.
2801 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2804 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2807 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2809 * clipper-protos.h: New file.
2811 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2814 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2817 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2819 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2821 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2823 * configure.in (--enable-new-gxx-abi): New option.
2824 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2825 * Makefile.in (GXX_ABI_FLAG): New variable.
2826 * configure: Regenerate.
2828 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2830 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2831 * tm.texi (FORCE_STRUCT_BLK): Document.
2832 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2834 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2836 * config/ns32k/ns32k.md: Revert Jan 9 change.
2838 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2839 to a mode-test, if the predicate is address_operand.
2841 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2843 * combine.c (if_then_else_cond): Be careful about what kinds
2844 of RTL expressions are passed to operand_subword.
2846 * flow.c (split_edge): If we have to insert a new jump, make
2847 sure to associate it with a basic block.
2849 * flow.c (commit_one_edge_insertion): A block with one successor
2850 can end in a JUMP_INSN that is not a simplejump.
2852 2000-01-12 Robert Lipe <robertl@sco.com>
2854 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2855 (BUILD_VA_LIST_TYPE): Define.
2856 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2859 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2861 * cccp.c (do_pragma): Add cast to (char *).
2863 2000-01-12 Richard Henderson <rth@cygnus.com>
2864 Fred Fish <fnf@be.com>
2865 Jason Merrill <jason@cygnus.com>
2867 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2868 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2869 * i386/beos-elf.h, i386/beos-pe.h: New files.
2871 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2872 * cross-make (SYSTEM_HEADER_DIR): Define using
2873 CROSS_SYSTEM_HEADER_DIR.
2875 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2876 (process_command): Use it.
2877 (main): Likewise. Kill trailing = from env vars.
2878 (build_search_list): Put it back.
2879 * collect2.c (main): Use LIBRARY_PATH_ENV.
2881 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2882 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2884 * tm.texi (Frame Layout): Document SMALL_STACK.
2885 * c-common.c (c_common_nodes_and_builtins): Check it.
2887 * system.h: Undef alloca after including glibc's <stdlib.h>,
2888 if USE_C_ALLOCA is defined.
2890 * gcc.c (set_input): New fn.
2891 (main): After all input files are compiled, reset the input file
2894 * aclocal.m4 (rindex, index): If already defined, don't attempt
2897 * ginclude/varargs.h: (__va_list__): Define ifndef.
2898 * ginclude/stdarg.h: Likewise.
2900 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2901 instead of unsigned char.
2903 * hash.h (true, false, boolean): Undef before enum.
2905 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2906 proper type of "HOST_WIDE_INT *", rather than their natural type of
2907 "unsigned HOST_WIDE_INT *".
2909 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2911 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2913 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2915 * regclass.c (choose_hard_reg_mode): Likewise.
2917 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2919 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2921 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2923 * c-common.c: PROTO -> PARAMS.
2924 * c-common.h: Likewise.
2925 * c-decl.c: Likewise.
2926 * c-iterate.c: Likewise.
2927 * c-lang.c: Likewise.
2928 * c-lex.c: Likewise.
2929 * c-lex.h: Likewise.
2930 * c-parse.in: Likewise.
2931 * c-pragma.c: Likewise.
2932 * c-pragma.h: Likewise.
2933 * c-tree.h: Likewise.
2934 * c-typeck.c: Likewise.
2935 * objc/objc-act.c: Likewise.
2936 * objc/objc-act.h: Likewise.
2938 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2940 * m88k-protos.h: New file.
2942 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2945 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2947 * m88k.md: Likewise.
2949 * tekXD88.h: Likewise.
2951 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2953 * m68k-protos.h: New file.
2955 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2958 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2960 * mot3300.h: Likewise.
2962 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2964 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2966 (extract_bitlist): Declare bitlen.
2968 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2970 * cccp.c: Accept and ignore -lang-fortran.
2972 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2973 qualifiers don't match at any level of pointerness.
2975 2000-01-12 Robert Lipe <robertl@sco.com>
2977 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2979 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2981 * reload1.c (reload_reg_unavailable): New static variable.
2982 (reload_reg_free_p): Test it.
2983 (reload_reg_free_for_value_p): Test it instead of
2985 (choose_reload_regs_init): Compute it.
2987 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2989 * reorg.c (fill_slots_from_thread): Check modified_in_p
2992 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2994 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2995 these nodes even if INTERNALS is not set.
2997 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2999 * gcse.c (delete_null_pointer_checks_1): Cope when
3000 get_condition cannot determine the condition.
3002 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
3004 * toplev.h (set_message_length): Declare.
3006 * diagnostic.c (obstack_chunk_alloc): Define macro.
3007 (obstack_chunk_free): Likewise.
3008 (struct output_buffer): New data structure.
3010 (output_maximum_width): New variable.
3011 (doing_line_wrapping, set_message_length, init_output_buffer,
3012 get_output_prefix, output_space_left, emit_output_prefix,
3013 output_newline, output_append, output_puts, dump_output,
3014 vbuild_message_string, build_message_string, build_location_prefix,
3015 voutput_notice, output_printf, line_wrapper_printf,
3016 vline_wrapper_message_with_location): New functions. Implement
3017 automatic line wrapping.
3018 (v_message_with_decl): Make it handle automatic line wrapping.
3019 (v_error_with_file_and_line): Likewise.
3020 (v_warning_with_file_and_line): Likewise.
3021 (announce_function): Likewise.
3022 (default_print_error_function): Likewise.
3024 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3026 * cpplib.h (struct cpp_options): Change lang_asm to char.
3028 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3029 done in cpp_handle_option now.
3030 (initialize_builtins): Take out special case code used only by
3032 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3033 if -traditional. Recognize -lang-fortran and set
3034 lang_fortran, also turn off cplusplus_comments.
3035 (print_help): Document -lang-fortran.
3036 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3037 lang_asm. Ignore all directives other than `# 123 "file"' if
3039 (cpp_get_token): If -traditional, don't recognize directives
3040 unless the # is in column 1.
3041 (parse_string): If lang_fortran or lang_asm, silently
3042 terminate strings ('' or "") at end of line.
3043 Remove unnecessary braces.
3045 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3046 Richard Henderson <rth@cygnus.com>
3048 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3050 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3051 strict_low_part when possible.
3053 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3055 * alias.c: PROTO -> PARAMS.
3056 * basic-block.h: Likewise.
3057 * bitmap.c: Likewise.
3058 * bitmap.h: Likewise.
3059 * builtins.c: Likewise.
3060 * c-aux-info.c: Likewise.
3061 * caller-save.c: Likewise.
3062 * calls.c: Likewise.
3064 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * Makefile.in (toplev.o): Depend on regs.h.
3068 * output.h (tdesc_section): Prototype.
3070 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3072 * sdbout.c: Include "tm_p.h".
3074 * toplev.c: Include "regs.h".
3076 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3078 * unroll.c (unroll_loop): Add EH support.
3080 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3082 * pa-protos.h: New file.
3084 * pa.c: Include recog.h and tm_p.h.
3085 (compute_zdepwi_operands, compute_movstrsi_length,
3086 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3087 find_addr_reg, import_milli): Add static prototypes.
3088 (pa_cpu_string, pa_arch_string): Constify a char*.
3089 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3090 (read_only_operand): Add argument `mode'.
3091 (singlemove_string, output_move_double, output_fp_move_double,
3092 output_block_move, output_and, output_ior, output_ascii,
3093 remove_useless_addtr_insns, milli_names, output_mul_insn,
3094 output_div_insn, output_mod_insn, output_arg_descriptor,
3095 output_cbranch, output_bb, output_bvb, output_dbra, ,
3096 output_millicode_call, output_call, hppa_encode_label,
3097 output_parallel_movb, output_parallel_addb): Constify a char*.
3098 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3099 (output_parallel_addb): Remove extra arg to `constrain_operands'
3101 * pa.h: Move all prototypes to pa-protos.h.
3102 (pa_cpu_string, pa_arch_string): Constify a char*.
3103 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3105 * pa.md: Call `function_label_operand' with mode argument.
3106 Likewise for `read_only_operand'.
3107 Fix nesting of parens in call to `symbolic_operand'.
3109 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3111 * i860-protos.h: New file.
3113 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3116 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3118 * i860.md: Likewise.
3120 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3122 * i386.md (movstrsi expander): Rewrite.
3123 (movstrsi_1 insn): Deleted.
3124 (strmovhi, strmovqi expander): New expanders.
3125 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3126 * i386.c (x86_single_stringop): New global variable.
3127 * i386.h (x86_single_stringop): Declare.
3128 (TARGET_SINGLE_STRINGOP): New macro.
3130 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3132 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3133 integer vararg POSTINCREMENT before the destination of the jump
3134 for the hard fp case.
3135 (function_arg_pass_by_reference): Pass a copy of CUM to
3138 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3139 for CONSTANT_ADDRESS_P above while loop for subreg.
3141 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3143 * flow.c (propagate_block): When a prologue/epilogue insn
3144 is marked dead, unconditionally clear libcall_is_dead and
3145 insn_is_dead, and only dump rtl if warnings aren't being
3148 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3150 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3151 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3152 (FIXED_REGISTERS): Set dirflag as fixed.
3153 (CALL_USED_REGISTERS): Set dirflag as used.
3154 (REG_ALLOC_ORDER): Set dirflag as last one.
3155 (DIRFLAG_REG): New macro.
3156 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3157 (HI_REGISTER_NAMES): Add dirflag.
3158 (DEBUF_PRINT_REG): Handle dirflag.
3159 * i386.md (type attribute): New cld and str types.
3160 (length_opcode attribute): Set cld and str to 1.
3161 (memory attribute): Set str to unknown - it is not clear from the
3163 (pent_np function unit): Prefixed string operations takes 12 cycles
3164 minimally; cld takes 2 cycles.
3165 (ppro_uops attribute): Str is "many" and cld is "few".
3166 (ppro_p0 unit): Handle cld here.
3167 (k6_alux unit): Handle cld and str types.
3168 (k6_load unit): It is ocupied by str opcodes.
3169 (k6_store unit): It is ocupied by str opcodes.
3170 (athlon_decode): Str is vector decoded.
3171 (athlon_ieu): Handle str and cld.
3173 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3174 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3175 cmpstrsi_nz_1 insn): Do not output cld instruction
3177 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3179 * gcc.texi (G++ and GCC): Add Java and Chill.
3180 (Bug Critera): Don't list languages.
3182 * gcc.texi (Incompatibilities): No longer claim most C compilers
3185 * gcc.texi (G++ and GCC): Update other front-ends list.
3187 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3189 * i386.c (ix86_expand_setcc): Fix typo.
3190 (ix86_expand_movcc): Similarly.
3192 * Band-aid until haifa's bitset implementation is nuked.
3193 * haifa-sched.c (extract_bitlst): New parameter for size of the
3194 bitset in bits. All callers changed. Avoid looking at undefined
3196 (edgeset_bitsize): New variable.
3197 (schedule_region): Initialize edgeset_bitsize.
3199 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3201 * Makefile.in (optabs.o): Depend on real.h
3202 (resource.o): Depend on insn-attr.h
3204 * builtins.c (result_vector): Wrap prototype in macro conditions
3205 governing definition and use.
3207 * c-common.c: Include tm_p.h.
3209 * c-lex.c: Likewise.
3211 * elfos.h: Constify a char*.
3213 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3214 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3215 parameter with ATTRIBUTE_UNUSED.
3217 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3220 * haifa-sched.c (schedule_insns): Mark parameter with
3223 * optabs.c: Include real.h.
3225 * real.h (ereal_atof): Add prototype arguments.
3227 * resource.c: Include insn-attr.h.
3229 * sdbout.c (sdbout_queue_anonymous_type,
3230 sdbout_dequeue_anonymous_types): Wrap in macro
3231 SDB_ALLOW_FORWARD_REFERENCES.
3232 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3235 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3237 * stupid.c: Include tm_p.h.
3239 * tree.c (real_value_from_int_cst): Mark parameter with
3242 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3244 * i960-protos.h: New file.
3246 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3249 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3251 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3253 * combine.c (expand_field_assignment): Do not discard SUBREGs
3254 while computing nonzero_bits.
3256 2000-01-09 Nick Clifton <nickc@cygnus.com>
3258 * config/arm/arm.c: Fix compile time warnings about signed vs
3260 * config/arm/arm.h: Fix compile time warnings about signed vs
3263 2000-01-09 Philip Blundell <philb@gnu.org>
3265 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3266 than `ldm' with only one register.
3267 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3270 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3273 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3275 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3278 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3280 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3281 assignment used as truth value.
3283 * function.c (assign_temp): Mark parameter `dont_promote' with
3284 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3285 PROMOTE_FOR_CALL_ONLY.
3287 * genrecog.c (write_subroutine): Mark variable `operands' with
3290 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3293 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3294 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3296 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3299 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3301 * config/c4x.h: Tidy up comments.
3302 * config/c4x.c: Likewise.
3304 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3306 * fold-const.c (lshift_double, rshift_double): Handle
3307 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3309 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3311 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3312 in prepare_function_start().
3314 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3316 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3317 longer allocate extra stack for function calls.
3319 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3321 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3323 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3325 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3327 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3329 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3330 * aix43.h: Revert Aug 2 change.
3331 (HAS_INIT_SECTION): Define, not visible yet.
3332 (LD_INIT_SWITCH): Define, not visible yet.
3333 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3335 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3337 * collect2.c (main): Expand ld2 size further.
3338 (export_object_lst): Cast assignment to avoid warning.
3339 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3340 (scan_prog_file, COFF): Do not collect initialization or
3341 finalization functions generated for entire shared object if
3342 init/fini support present.
3344 2000-01-07 Nick Clifton <nickc@cygnus.com>
3346 * config/elfos.h: Tidy up formatting of marcos. Make sure
3347 that .section directives are always prefixed by a tab.
3349 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3352 2000-01-07 Matt Austern <austern@sgi.com>
3354 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3357 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3359 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3361 (crtbegin.o, s-crtS): Likewise.
3363 2000-01-06 Richard Henderson <rth@cygnus.com>
3365 * alpha.md (adddi_2+1): Limit offset such that it will be
3366 loadable with a single ldah+lda pair.
3367 (adddi_2+2): Explicitly fail split if we can't make it work.
3369 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3371 * protoize.c: Conditionally include unistd.h.
3372 (IS_SAME_PATH_CHAR): New macro.
3373 (IS_SAME_PATH): New macro.
3374 (CPLUS_FILE_SUFFIX): New macro.
3375 (cplus_suffix): New static variable.
3376 (is_abspath): New static function.
3377 (in_system_include_dir): Handle DOS style pathnames.
3378 (file_could_be_converted): Likewise.
3379 (file_normally_convertible): Likewise.
3380 (directory_specified_p): Likewise.
3381 (file_excluded_p): Likewise.
3382 (abspath): Likewise.
3383 (shortpath): Likewise.
3384 (referenced_file_is_newer): Likewise.
3385 (save_def_or_dec): Likewise.
3386 (do_processing): Likewise.
3388 (edit_file): Likewise. Use rename instead of link.
3389 (rename_c_file): Likewise. Don't rename syscalls file.
3390 (munge_compile_params): Define null device for DOS based systems.
3391 (process_aux_info_file): Use binary mode if appliable.
3392 (edit_file): Likewise.
3393 * invoke.texi (Running Protoize): Document C++ suffixes used.
3395 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3396 IS_DIR_SEPARATOR macros.
3397 * collect2.c: Likewise.
3398 * cppinit.c: Likewise.
3399 * dwarf2out.c: Likewise.
3402 * prefix.c: Likewise.
3404 * toplev.c: Likewise.
3405 * system.h: And move to here.
3407 * prefix.c (update_path): Fix typo in variable name.
3409 2000-01-06 Richard Henderson <rth@cygnus.com>
3411 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3412 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3413 (count_reg_sets_1, count_reg_references): Likewise.
3414 (flow_loops_level_compute): Start counting actual loop depth at 1.
3415 (flow_loops_find): Likewise.
3416 * local-alloc.c (update_equiv_regs): Likewise.
3417 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3419 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3421 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3422 FIRST_PSEUDO_REGISTER
3423 * dwarf2out.c: Don't include frame.h
3424 * dwarfout.c: Likewise
3425 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3428 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3430 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3433 * i386.c (movsf splitter): Fix typo in my last checkin.
3435 2000-01-05 Nick Clifton <nickc@cygnus.com>
3437 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3438 own definition of this macro.
3439 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3440 flag_data_sections or UNIQUE_SECTION_P are true.
3442 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3443 unitialised data decls.
3445 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3446 being called for uninitialised data.
3448 * config/i386/interix.c (i386_pe_unique_section): Cope with
3449 being called for uninitialised data.
3451 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3452 for uninitialised data.
3454 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3455 for uninitialised data.
3457 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3458 for uninitialised data.
3460 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3461 (UNIQUE_SECTION_P): Always generate a unique section if
3462 flag_data_sections is true.
3463 (UNIQUE_SECTION): Also generate unique sections for
3465 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3466 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3469 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3471 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3474 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3476 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3477 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3478 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3479 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3480 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3482 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3484 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3486 * c-decl.c (finish_enum): Simplify code to determine minimum and
3487 maximum values of the enum, and calculate the type. Remove check
3488 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3489 the DECL_INITIAL of each enumeration constant with a copy converted
3490 to the enumeration type. When updating variant types, don't bother
3491 updating the type itself.
3493 * c-typeck.c (build_binary_op): Simplify conditional expressions
3494 when weeding out spurious signed-unsigned warnings. Add new
3495 spurious warning category: if the unsigned quantity is an enum
3496 and its maximum value fits in signed_type(result_type). Update
3498 (build_conditional_expr): Warn here if one alternative is signed
3499 and the other is unsigned.
3501 2000-01-05 Nick Clifton <nickc@cygnus.com>
3503 * config/fr30/fr30.h: Remove extraneous comments.
3505 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3507 * reload1.c (choose_reload_regs): When disabling a reload, also
3508 set reload_spill_index to -1.
3510 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3512 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3514 (m68*-*-rtemself*): New target.
3515 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3516 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3517 (sparc*-*-rtemself*): New target.
3518 (sparc*-*-rtems*): Now elf not a.out.
3519 * config/i386/rtems.h: Include config/rtems.h.
3520 * config/i386/rtemself.h: Include config/rtems.h.
3521 * config/i960/rtems.h: Include config/rtems.h.
3522 * config/m68k/rtems.h: Include config/rtems.h.
3523 * config/m68k/rtemself.h: Include config/rtems.h.
3524 * config/mips/rtems64.h: Include config/rtems.h.
3525 * config/pa/rtems.h: Include config/rtems.h.
3526 * config/rs6000/rtems.h: Include config/rtems.h.
3527 * config/sh/rtems.h: Include config/rtems.h.
3528 * config/sh/rtemself.h: Include config/rtems.h.
3529 * config/sparc/rtems.h: Include config/rtems.h.
3530 * config/sparc/rtemself.h: Include config/rtems.h
3532 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3534 * final.c (shorten_branches): Correctly compute length of
3535 asms without operands.
3537 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3539 * configure.in: Add pj target.
3540 * configure: Regenerate.
3541 * config/pj: New directory.
3542 * config/pj/lib1funcs.S: New file.
3543 * config/pj/linux.h: New file.
3544 * config/pj/pj.c: New file.
3545 * config/pj/pj.md: New file.
3546 * config/pj/pjl.h: New file.
3547 * config/pj/t-pj: New file.
3548 * config/pj/xm-pj.h: New file
3550 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3552 * toplev.c (rest_of_compilation): Run shorten-branches before
3555 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3557 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3558 macros so that they're consistent with their names.
3559 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3560 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3562 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3564 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3565 modified inadvertently.
3567 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3569 * configure.in (v850*-*-rtems*): New target.
3570 * configure: Regenerate.
3571 * config/v850/rtems.h: New file.
3573 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3575 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3576 (__gthread_key_create): Likewise.
3577 (__gthread_key_dtor): Likewise.
3578 (__gthread_once): Fix logic.
3579 (__gthread_key_delete): Cast away constness.
3581 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3582 * invoke.texi: Document.
3583 * i386/mingw32.h (CPP_SPEC): Use.
3584 (LIBGCC_SPEC): Likewise.
3585 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3587 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3589 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3590 (HANDLE_PRAGMA_PACK): Undefine.
3591 (SLOW_UNALIGNED_ACCESS): Define.
3593 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3595 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3596 to default definition.
3597 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3598 (store_fixed_bit_field): Call macro with word_mode and alignment.
3599 (extract_bit_field): Call macro with relevant mode and alignment.
3600 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3601 to default definition.
3602 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3604 (move_by_pieces_ninsns): Likewise.
3605 (clear_by_pieces): Likewise.
3606 (emit_push_insn): Likewise.
3607 (store_field): Call macro with relevant mode and alignment.
3608 (expand_expr): Likewise.
3609 (expand_expr_unaligned): Likewise.
3611 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3612 (SLOW_UNALIGNED_ACCESS): Define.
3613 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3614 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3615 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3616 (toc_section): Likewise and .toc pseudo-op.
3617 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3619 (TEXT_SECTION_ASM_OP): Likewise.
3620 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3623 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3624 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3625 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3626 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3627 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3629 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3631 * regclass.c: Revert my Jan 4 change to loop cost computation.
3633 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3635 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3638 2000-01-04 Stan Cox <scox@cygnus.com>
3640 * haifa-sched.c (build_control_flow): Change unreachable simple
3641 loop test to check if current block has only one predecessor.
3642 (find_rgns): Initialize degree. Use dest as degree index, not src.
3644 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3646 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3648 * calls.c (expand_call): Likewise for
3649 `old_stack_arg_under_construction'.
3651 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3653 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3656 * gcc.c (execute): Likewise for `ut' and `st'.
3658 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3660 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3662 * jump.c (jump_optimize_1): Likewise for `temp2'.
3664 * local-alloc.c (block_alloc): Likewise for `r1'.
3666 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3668 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3669 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3671 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3674 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3675 and `goal_earlyclobber'.
3677 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3679 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3681 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3683 * unroll.c (copy_loop_body): Likewise for `copy'.
3685 * varasm.c (output_constructor): Likewise for `byte'.
3687 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3689 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3690 all FP constants for constant->reg moves.
3691 (ix86_split_to_parts): Try to convert memory address into immediate
3692 when available in the constant pool.
3693 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3695 (LEGITIMATE_CONSTANT_P): Return 1.
3696 * i386.md (pushsf): New splitter to convert constant pool memory
3697 reference to immediate.
3698 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3701 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3703 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3704 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3705 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3706 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3707 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3709 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3711 * ginclude/stdbool.h: Support compilation as C++.
3713 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3715 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3717 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3719 * regclass.c (regclass): Properly compute loop_cost. Adjust
3722 * regclass.c: Fix minor whitespace problems.
3724 2000-01-03 Anthony Green <green@cygnus.com>
3726 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3727 Restore the pic register if required.
3729 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3731 * c-common.c (format_char_info): Update comment.
3732 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3733 was recognized. Emit warning for formats new in ISO C99 only
3734 if flag_isoc9x is not set.
3736 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3738 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3740 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3742 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3743 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3744 (make_compound_operation): Choose cheaper alternative between
3745 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3747 * regclass.c (op_costs): Remove global variable.
3748 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3749 (record_operand_costs): Break out from ...
3750 (scan_one_insn): ... here.
3751 (dump_regclass): Make dumps nicer.
3752 (regclass): Dump preferrences choosed and changes done during passes.
3754 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3756 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3758 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3760 * config/sparc/sparc.c (gen_df_reg): New function.
3761 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3762 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3763 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3764 movtf_cc_reg_sp64+1): Use it.
3766 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3768 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3771 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3773 * config/i386/i386.c (ix86_expand_unary_operator): Function
3774 definition made void.
3775 (ix86_expand_binary_operator): Update outdated preceding comment.
3776 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3779 * config/i386/i386.c (override_options): Fix option-name typo.
3781 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3783 * system.h (CEIL): Define.
3784 * builtins.c (CEIL): Remove.
3785 * expmed.c (CEIL): Likewise.
3786 * expr.c (CEIL): Likewise.
3787 * stor-layout.c (CEIL): Likewise.
3789 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3791 * expr.c (store_constructor_field): Fix typo introduced with last
3794 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3796 * tree.h (BINFO_N_BASETYPES): New macro.
3798 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3800 * expmed.c (emit_store_flag): Prevent losing a pending stack
3801 adjust the same way we prevent losing queued increments.
3803 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3805 * function.c (update_temp_slot_address): Handle case where sum of
3806 temporary address plus offset in register is a valid address.
3808 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3810 * genrecog.c (change_state) Corrected typo.
3812 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3814 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3815 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3816 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3818 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3820 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3821 case, expand GT comparisons correctly. Fix a comment before this
3824 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3826 * dwarfout.c: Include "frame.h"
3827 * dwarf2out.c: Likewise.
3828 * Makefile.in (dwarfout.o): Depend on frame.h
3829 (dwarf2out.o): Likewise.
3831 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3833 Restore i386 binary compatibility in Dwarf EH info.
3834 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3835 value of FIRST_PSEUDO_REGISTER.
3836 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3837 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3838 * dwarfout.c (output_reg_number): Ditto.
3839 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3840 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3842 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3844 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3845 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3846 (<hack>_RE_CT): not needed
3847 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3848 rewritten to scan the file text once only
3849 "template<..." test added
3850 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3851 (is_cxx_header): declaration added
3852 * fixinc/fixtests.c(is_cxx_header): removed
3853 (apply_fix_p_t): removed
3854 (double_slash_test): is_cxx_header is only called once now
3855 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3856 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3857 within the templates.
3858 The borken spelling of "broken" was fixed.
3859 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3860 The default level depends on FIXINC_DEBUG.
3862 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3864 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3865 Otherwise provide a declaration for atexit.
3866 (init_dummy): Make sure dummy call to atexit is nevertheless
3867 called with correct number of args.
3869 * frame.c: Update comments referring to other files.
3871 * libgcc2.c: Likewise.
3873 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * cse.c (free_element, get_element): Remove unused prototypes.
3877 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3880 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3883 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3885 * configure.in,configure: case arm for mn10200-*-* now sets
3886 float_format=i32 so that float.h will correctly claim "double"
3887 to be 32 bits. Ran autoconf to generate configure from .in file.
3889 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3891 * pa.md (conditional zero): If op1 is a register, force it into
3892 the same register as op0.
3894 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3896 * tree.h (BINFO_BASETYPES): Improve documentation.
3898 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3900 * configure.in (--enable-checking): Use a more portable `for'
3903 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3906 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3908 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3911 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3912 Delete descriptions.
3914 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3915 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3916 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3917 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3918 xm-svr4.h: Remove all instances of sys_siglist handling.
3920 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3922 * config/sparc/sparc.md (cmp_zero_qi,
3923 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3924 cmp_zero_extendqidi2_andcc_set): New patterns.
3926 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3928 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3929 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3930 (fpgnulib.c, xfgnulib.c): Add rules.
3931 * m68k/t-mot3300-gas: Likewise.
3933 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3935 * configure.in: Avoid [[ by using test and changequote. Add
3936 changequote required by 1999-12-14 change.
3937 * configure: Rebuild.
3939 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3941 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3943 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3945 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3946 * flow.c (find_use_as_address): Likewise.
3947 * function.c (fixup_var_refs_1): Likewise.
3948 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3949 * jump.c (invert_exp, redirect_exp): Likewise.
3950 * loop.c (replace_call_address): Likewise.
3951 (count_nonfixed_reads): Likewise.
3952 * rtlanal.c (modified_between_p): Likewise.
3953 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3954 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3955 * unroll.c (remap_split_bivs): Likewise.
3957 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3959 * diagnostic.c (v_message_with_decl): Use .* format specifier
3960 instead of building the format specifier width manually.
3962 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3963 determining whether to provide a prototype. Remove the
3964 sys_siglist clause in the conditional.
3966 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3968 * fold-const.c (operand_equal_p): Use memcmp to compare string
3970 Suggested by D. J. Bernstein
3972 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3974 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3975 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3977 * config/mips/mips.h (TARGET_64BIT): Likewise.
3978 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3979 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3980 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3981 dsps. Give routines proper names if SI/DI modes are not used.
3982 * longlong.h: Use DWunion instead of DIunion.
3984 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3986 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3987 GC_CHECKING, GC_ALWAYS_COLLECT.
3988 * configure.in: Allow --enable-checking with an argument
3989 listing check modes to enable.
3990 * config.in, configure: Rebuilt.
3991 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3992 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3993 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3994 ENABLE_GC_ALWAYS_COLLECT.
3995 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3997 * tree.h, tree.c: Change ENABLE_CHECKING to
3998 ENABLE_TREE_CHECKING throughout.
4000 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4002 * fold-const.c (fold_truthop): Properly check for FP RHS.
4004 1999-12-24 Mark Mitchell <mark@codesourcery.com>
4006 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4007 * toplev.c (note_deferral_of_defined_inline_function): New
4008 function, split out from ...
4009 (rest_of_compilation): ... here. Use it.
4011 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4013 * expr.c (store_constructor): Don't call clear_storage if size is
4016 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4018 * Makefile.in (toplev.o): Depend on loop.h.
4020 * dwarfout.c: Include tm_p.h.
4022 * emit-rtl.c (restore_emit_status): Mark parameter with
4025 * final.c (final_scan_insn): Likewise.
4027 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4028 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4029 flow_depth_first_order_compute, flow_loop_pre_header_find,
4030 flow_loop_tree_node_add, flow_loops_tree_build,
4031 flow_loop_level_compute, flow_loops_level_compute,
4032 flow_loop_outside_edge_p): Add prototypes.
4033 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4035 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4036 Mark with ATTRIBUTE_NORETURN.
4038 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4040 * local-alloc.c (no_conflict_p): Likewise.
4042 * loop.c (insert_bct): Hide definitions of variables with hidden
4044 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4046 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4047 with ATTRIBUTE_UNUSED.
4048 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4049 (reg_scan): Likewise.
4051 * reload.c (find_reloads): Remove unused variables `changed'.
4053 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4055 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4056 Remove unused variable `insn'.
4058 * toplev.c: Include loop.h.
4059 (report_file_and_line): Remove unnecessary prototype.
4061 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4063 * unroll.c (biv_total_increment): Likewise.
4065 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4067 * reload1.c (emit_input_reload_insns): Restore old behaviour
4068 wrt. 'special' reloads.
4070 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4072 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4073 hash.h. (cse.c): Don't depend on hashtab.h.
4075 * cse.c: Don't include hashtab.h.
4076 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4078 * ggc-simple.c: Don't include hash.h.
4080 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4082 * dwarf2out.c (add_abstract_origin_attribute): Call
4083 gen_abstract_function on our function context.
4085 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4087 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4089 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4091 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4094 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4096 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4097 constraints to "a!r".
4099 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4101 * Makefile.in (calls.o): Depend on function.h.
4102 (alias.o): Likewise.
4104 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4106 * reload1.c (emit_reload_insns): Break out code and variables into...
4107 (input_reload_insns, other_input_address_reload_insns,
4108 other_input_reload_insns, input_address_reload_insns,
4109 inpaddr_address_reload_insns, output_reload_insns,
4110 output_address_reload_insns, outaddr_address_reload_insns,
4111 operand_reload_insns, other_operand_reload_insns,
4112 other_output_reload_insns): ... new static variables, and...
4113 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4114 do_output_reload): ... new functions.
4116 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4118 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4120 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4122 * md.texi: Add c4x constraints documentation.
4124 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4126 * config/i386/dgux.c (struct option): Rename to
4127 lang_independent_option.
4128 (struct m_options): Add description field.
4129 (output_options): Rename option type, add sep declaration, output
4130 ix86_cpu_string and ix86_arch_string only if set.
4131 (output_file_start): Rename option type.
4133 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4135 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4137 (libgcc2.a): Similarly.
4139 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4141 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4142 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4143 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4145 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4147 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4148 Remove redundant initialization of "frexpon" and "expon".
4150 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4152 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4154 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4155 (store_constructor_field, expand_expr): Pass new arg.
4157 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4159 * Makefile.in (explow.o): Depend on function.h.
4161 * stor-layout.c (set_sizetype): Fix typo.
4163 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4165 * function.c (cfun): Renamed from current_function. All users
4167 * function.h (cfun): Rename declaration as well.
4169 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4170 to be of type regset_head, not regset. All users changed by adding
4172 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4174 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4176 * config/c4x/rtems.h: New file.
4178 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4180 * reload1.c (spill_failure): Take class of failed reload as argument
4181 and print it. Caller changed.
4183 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4185 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4186 (TARGET_SWITCHES): Allow subtargets to default switches.
4187 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4189 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4191 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4194 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4196 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4197 * cppinit.c (cpp_handle_option): Likewise.
4199 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4200 determine when to define.
4202 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4204 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4205 cmove with mismatched test and data modes.
4207 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4209 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4212 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4214 * alias.c: Minor reformatting.
4217 * stor-layout.c: Likewise.
4218 * fold-const.c: Likewise.
4219 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4220 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4222 (size_int_wide): Cache nodes even if garbage collecting.
4223 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4224 of SAVE_EXPR has no side effects.
4225 * cse.c: Move a comment.
4226 * tree.c: Minor reformatting.
4227 (int_size_in_bytes): Return -1 if constant overflows.
4229 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4231 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4233 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4235 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4236 after any change to c-parse.in, even if objc-parse.y didn't
4239 1999-12-18 David S. Miller <davem@redhat.com>
4241 * toplev.c (rest_of_compilation): Restore BLOCK tree
4242 reconstruction and branch shortening changes lost in
4243 December 18th change.
4245 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4247 * config/arm/linux-elf.h: Change all instances of
4248 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4249 * config/arm/uclinux-elf.h: Likewise.
4251 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4253 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4254 v_message_with_decl, file_and_line_for_asm,
4255 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4256 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4257 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4258 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4259 pfatal_with_name, fatal_io_error, need_error_newline,
4260 last_error_function, last_error_tick, announce_function,
4261 default_print_error_function, print_error_function,
4262 report_error_function, fnotice, error_with_file_and_line,
4263 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4264 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4265 warning_with_decl, warning_for_asm, warning, pedwarn,
4266 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4268 (compile_file): Use fnotice instead of notice. Adjust call.
4270 * diagnostic.c: New file.
4272 * Makefile.in (OBJS): Include diagnostic.o
4273 (diagnostic.o): Define dependence.
4275 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4277 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4280 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4282 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4284 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4286 * fixtests.c (is_cxx_header): New fn, split out of
4288 (else_endif_label): Allow "#endif // comment" in C++ headers,
4289 as determined by is_cxx_header.
4290 * fixfixes.c (else_endif_label_fix): Update comment.
4291 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4293 * genfixes: Correct double thinko in commandline parsing.
4294 * hackshell.tpl: Generate correct sh syntax for bypass
4297 * inclhack.def (all): Whenever an inserted preprocessor
4298 conditional is split over multiple lines, use double
4299 backslashes in this file so the fixed header will be readable.
4301 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4302 and add bypass entry for correct version of this header.
4303 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4304 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4306 (hpux8_bogus_inlines): New fix, split from...
4307 (ultrix_atof_param) ... here.
4308 (math_expression): Add bypass entry keyed to glibc comment
4309 indicating the problem has been dealt with; disable
4310 unnecessary sed operations; update commentary.
4311 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4312 add select and bypass entries, simplify shell operation.
4313 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4315 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4316 ultrix_atof_param): Add select entry.
4317 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4318 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4319 comments with the fixes they describe.
4321 * c-parse.in (string action): Do not warn about ANSI string
4322 concatenation in system headers. Affects C parser only.
4323 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4325 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4327 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4328 compiling libgcc2 the macro depends always on arch cpp defines.
4330 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4332 * loop.c (insert_loop_mem): Don't record MEMs from inside
4335 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4337 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4339 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4340 notes too, create one when replacement failed, attempt to simplify
4342 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4345 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4347 * crtstuff.c (__dso_handle): Declare.
4348 (__cxa_finalize): Likewise.
4349 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4352 * invoke.texi: Document -fuse-cxa-atexit.
4354 * tree.h (ptr_type_node): Document.
4355 (const_ptr_type_node): Likewise.
4357 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4359 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4360 (optimize_reg_copy_2): Likewise.
4361 (optimize_reg_copy_3): Likewise.
4362 (fixup_match_2): Likewise.
4363 (regmove_optimize): Likewise.
4364 (fixup_match_1): Liekwise.
4366 * i386.md (HI to SImode promoting splitters): Rewrite.
4367 (pushsf mem peep2): New.
4368 (testhi to andhi peep2): Remove.
4369 * i386.h (x86_promote_QImode): New.
4370 (TARGET_PROMOTE_QImode): New.
4371 (PREDICATE_CODES): Add promotable_binary_operator.
4372 * i386.c (x86_promote_QImode0: New.
4373 (promotable_binary_operator): New.
4374 * i386-protos.h (promotable_binary_operator): New.
4376 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4378 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4380 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4382 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4383 * function.c (insert_block_after_note): Remove.
4384 (retrofit_block): Likewise.
4385 (identify_blocks): Fix indentation.
4386 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4387 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4388 * function.h (insert_block_after_note): Remove prototype.
4389 (retrofit_block): Likewise.
4390 * integrate.c (expand_inline_function): Don't call
4391 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4392 just expand_start_bindings. Use the block_map to remap old
4393 NOTE_BLOCKs to new ones.
4394 (integrate_decl_tree): Keep track of remapped blocks.
4395 * integrate.h (struct inline_remap): Add block_map.
4396 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4397 NOTE_BLOCK on the notes.
4398 (expand_start_bindings): Rename to ...
4399 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4400 (expand_end_bindings): Set NOTE_BLOCK.
4401 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4402 reconstruct the BLOCK tree.
4403 * tree.h (expand_start_bindings): Macroize. Call ...
4404 (expand_start_bindings_and_block): New function.
4406 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4408 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4409 to match the format.
4411 1999-12-16 David S. Miller <davem@redhat.com>
4413 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4414 the outputs is a SUBREG.
4415 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4418 * config/sparc/sparc.c (epilogue_renumber): Add default case
4421 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4423 * toplev.c (rest_of_compilation): Run branch shortening after
4426 * regclass.c (loop_depth): Remove
4427 (scan_one_insn): Do not handle LOOP_NOTE insns.
4428 (regclass): Go through basic blocks and set loop_cost
4430 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4432 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4434 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4436 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4437 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4438 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4440 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4442 * loop.c (insert_loop_mem): Ignore memory clobbers.
4444 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4447 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4449 * profile.c: Remove redundant #include "output.h".
4451 * h8300.md (HImode preinc peephole): Fix typo.
4453 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4455 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4456 (insert_block_after_note): Abort if we don't have a previous block.
4457 Remove FN parameter.
4458 * function.h: Adjust.
4460 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4462 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4463 argument more than once.
4465 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4467 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4469 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4471 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4473 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4475 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4476 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4477 update stack_alignment_needed.
4478 (prepare_function_start): Initialize stack_alignment_needed
4479 * function.h (struct function): Add field stack_alignment_needed.
4481 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4483 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4484 Handle live_throughout / dead_or_set instead of live_before /
4486 (save_call_clobbered_regs): Get register livenessinformation from
4487 chain->live_throughout.
4488 (add_stored_regs): New function.
4489 (insert_restore, insert_save): Add restored / saved registers to
4491 * global.c (reg_dies): New parameter chain.
4492 (reg_becomes_live): Third parameter is regs_set now.
4493 Changed all callers.
4494 (reg_dies): New parameter chain. Changed all callers.
4495 (build_insn_chain): Set live_throughout instead of
4496 live_before / live_after.
4497 * reload.h (struct insn_chain): Replace members live_before /
4498 live_after with live_throughout / dead_or_set.
4499 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4500 instead of live_before / live_after.
4501 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4502 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4503 (choose_reload_regs_init): Likewise.
4504 * stupid.c (current_chain, find_clobbered_regs): Delete.
4505 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4506 instead of chain->live_before / chain->live_after.
4507 (mark_hard_ref): New function.
4508 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4510 1999-12-15 David S. Miller <davem@redhat.com>
4512 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4514 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4516 * flow.c (calculate_loop_depth): Make global, remove prototype,
4517 rewrite to use new loop infrastructure.
4518 (find_basic_block): Remove calculate_loop_depth call.
4519 * toplev.c (rest_of_compilation): Call find_basic_block.
4520 * output.h (calculate_loop_depth): Declare.
4522 * flow.c (dump_flow_info): Dump loop_depth.
4523 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4525 (flow_loops_find): Initialize the loop_depth for each basic block.
4527 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4529 * tree.c (decl_function_context): Handle virtual functions.
4531 * tlink.c (scan_linker_output): Don't look in demangled name when
4532 looking for linker output keywords.
4534 * dwarfout.c (output_type): We can defer namespace-scope classes.
4536 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4538 * regclass.c (record_reg_classes): Update comment for merging
4539 register class preferences in reg->reg copies. Tighten conditions
4540 for merging register class preferences in reg->reg copies.
4542 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4544 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4546 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4548 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4549 (INIT_SECTION_ASM_OP): Delete.
4550 (FINI_SECTION_ASM_OP): Delete.
4551 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4553 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4555 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4556 the abstract origin wasn't emitted.
4558 * dwarf2out.c (class_scope_p): New fn.
4559 (gen_subprogram_die): Use it.
4560 (gen_variable_die): Use it. Tweak logic.
4561 (gen_struct_or_union_type_die): Check context_die to determine
4562 if we're function-local.
4563 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4565 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4567 * loop.c (check_dbra_loop): Can't reverse a biv that has
4570 1999-12-14 Nick Clifton <nickc@cygnus.com>
4572 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4575 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4577 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4578 for givs made from biv increments.
4580 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4582 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4583 * alpha.c (override_options): Recognize -mcpu=ev67.
4584 * alpha.h (CPP_CPU_EV67_SPEC): New.
4585 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4586 (EXTRA_SPECS): Update.
4588 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4590 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4591 appropriate for -lang-c89 and -std=*.
4592 * cppinit.c (cpp_handle_option): Likewise.
4593 (new_pending_define): New, split out from cpp_handle_option.
4594 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4595 or enable trigraphs for -ansi/-std=*.
4597 * ginclude/stdarg.h (__va_copy): New.
4598 (va_copy): Don't define for C89.
4600 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4602 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4603 for long long multiply-accumulate.
4605 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4607 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4608 optimizing for size.
4610 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4612 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4613 if something changed. Back out that part of yesterday's changes.
4615 * loop.c (loop_max_reg): New static variable.
4616 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4618 (scan_loop): Call reg_scan_update whenever we may have added new
4619 registers, and update loop_max_reg.
4621 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4623 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4624 when source does not die.
4626 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4628 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4630 * config/sparc/linux64.h (TARGET_LIVE_G0,
4631 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4633 * config/sparc/linux.h (TARGET_LIVE_G0,
4634 TARGET_BROKEN_SAVERESTORE): Likewise.
4635 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4636 TARGET_BROKEN_SAVERESTORE): Likewise.
4638 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4639 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4641 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4642 as sparc64 block profiling register.
4643 * config/sparc/sparc.c (sparc_override_options): Allow block
4644 profiling with -m32.
4645 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4647 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4648 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4649 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4651 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4653 * config/sparc/sparc.h: Likewise.
4654 * config/sparc/xm-sysv4-64.h: Likewise.
4655 * config/float-sparc.h: Likewise.
4656 * glimits.h: Likewise.
4657 * longlong.h: Likewise.
4659 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4660 (ASM_IDENTIFY_GCC): Remove.
4662 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4664 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4665 (simplify_logical): Likewise.
4667 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4669 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4670 * cppfiles.c (INO_T_EQ): Likewise.
4672 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4674 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4675 * i386/mingw32.h (LIB_SPEC): Likewise.
4676 (STARTFILE_SPEC): Likewise.
4677 * i386/uwin.h (LIB_SPEC): Likewise.
4678 (STARTFILE_SPEC): Likewise.
4680 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4681 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4683 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4685 * combine.c (combine_simplify_rtx): Fix order of checks for
4686 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4688 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4690 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4691 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4693 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4695 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4697 * regclass.c (inv_reg_alloc_order): New array.
4698 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4700 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4701 counted_for_groups, counted_for_nongroups. Add fields rld and
4703 * reload.c (push_secondary_reload): Don't set nongroup field of
4705 (push_reload): Likewise.
4706 (find_reloads): Delete code to compute nongroup fields.
4707 * reload1.c (reload_insn_firstobj): New static variable.
4708 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4710 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4711 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4712 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4714 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4716 (struct hard_reg_n_uses): Deleted.
4717 (potential_reload_regs): Deleted.
4718 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4719 (reload): Don't try to allocate reload registers if we already know
4720 we have to make another pass. Call select_reload_regs. Free memory
4721 starting with reload_firstobj when starting another pass.
4722 Don't allocate spilled_pseudos.
4723 (calculate_needs_all_insns): Call copy_reloads for an insn that
4724 needs reloads; don't call calculate_needs.
4725 (spill_cost): New static array.
4726 (used_spill_regs_local): New static variable.
4727 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4728 to compute potential_reload_regs.
4729 (find_reload_regs): Completely rewritten to use find_reg.
4730 (allocate_reload_reg): Don't test counted_for_groups or
4731 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4733 (choose_reload_regs): Add fallback code that uses the existing
4734 register allocation from find_reload_regs.
4736 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4738 * flow.c (create_edge_list): Cast xmalloc return value.
4740 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4742 * doprnt.c: Remove incorrect comment closure.
4744 * cse.c: Fix a few minor whitespace goofs.
4746 1999-12-13 Don Bowman <don@pixstream.com>
4748 * mips/vxworks.h: Fix problem with comment termination.
4749 (EXTRA_SECTIONS): Add in_sbss.
4750 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4752 1999-12-12 David S. Miller <davem@redhat.com>
4754 * cse.c (struct cse_reg_info): Add hash_next member,
4755 reorder rest of struct for better packing on 64-bit
4757 (cse_reg_info_tree): Kill.
4758 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4759 REGHASH_FN): New custom pow2 hash mechanism.
4761 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4762 use a pow2 hash table.
4763 (get_cse_reg_info): Rework to use new REGHASH.
4764 (new_basic_block): Likewise, use HASH_SIZE, and inline
4766 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4767 and inline free_element call.
4768 (lookup_as_function, insert, flush_hash_table, invalidate,
4769 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4770 invalidate_for_call, use_related_value, find_comparison_args,
4771 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4772 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4775 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4777 * cse.c (cse_basic_block): Free qty_table consistently.
4779 1999-12-12 David S. Miller <davem@redhat.com>
4780 Jakub Jelinek <jakub@redhat.com>
4782 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4783 SUBREGs by hand, gen the appropriate hard reg directly.
4784 (movtf reg/mem split): Likewise and alter_subreg on destination
4786 (movtf mem/reg split): Similarly.
4787 (movdf_cc_sp64): Rename from hidden pattern.
4788 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4789 (movtf_cc_sp64, following split): New pattern and splitter.
4790 (movdf_cc_reg_sp64): Rename from hidden pattern.
4791 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4793 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4795 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4797 * loop.c (load_mems): Don't hoist written floating point mem
4800 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4802 * except.h (struct eh_queue): Add `next' pointer.
4803 (struct eh_status): Make x_ehqueue a pointer.
4804 (push_ehqueue): Declare.
4805 (pop_ehqueue): Likewise.
4806 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4808 (expand_fixup_region_end): Likewise.
4809 (expand_leftover_cleanups): Likewise.
4810 (push_ehqueue): Define.
4811 (pop_ehqueue): Likewise.
4812 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4813 than doing it inline.
4814 (expand_start_all_catch): Adjust now that ehqueue is a
4816 (mark_eh_queue): Mark all level of the queue.
4817 (mark_eh_status): Adjust now that ehqueue is a
4819 (init_eh_for_function): Allocate ehqueue.
4820 (free_eh_status): Free it.
4821 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4822 expansion for a fixup.
4824 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4826 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4828 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4829 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4830 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4831 function_ptr, getpagesize, __enable_execute_stack,
4832 __enable_execute_stack, __clear_insn_cache,
4833 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4834 _cleanup, _exit, __default_terminate, __terminate_func,
4835 __terminate, __empty, __throw, new_eh_context,
4836 eh_context_initialize, eh_context_static, eh_context_specific,
4837 get_eh_context, __get_eh_context, __get_eh_info,
4838 init_reg_size_table, eh_threads_initialize,
4839 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4840 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4841 __pure_virtual): Add prototype arguments.
4842 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4843 Cast a signed value to unsigned long when comparing against one.
4844 (new_eh_context): Wrap in _GTHREADS macro.
4845 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4847 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4848 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4850 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4852 * combine.c (record_promoted_value): Remove unused variable
4855 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4857 * global.c (record_conflicts): Likewise for `j'.
4859 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4862 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4864 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4865 output_fp_compare): Constify a char*.
4867 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4869 (override_options, ix86_comp_type_attributes, print_operand,
4870 output_387_binary_op, output_fix_trunc, output_fp_compare):
4872 (ix86_sched_reorder): Mark parameter `clock_var' with
4875 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4877 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4879 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4880 operand, for use in the Java front-end.
4882 1999-12-10 Ben Collins <bcollins@debian.org>
4884 * configure.in: Fix typo for "-64" in 64bit as check.
4885 * configure: Rebuilt.
4887 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4889 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4892 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4894 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4895 concatenation is utilized.
4897 * invoke.texi (-Wtraditional): Document it.
4899 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4902 Cast a ptrdiff_t to long and pass it to printf with %ld.
4904 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4906 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4907 68881, we have no 68881 registers at all.
4908 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4909 value in a 68881 register if it is available.
4911 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4913 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4914 for long long multiply-accumulate.
4916 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4918 * loop.c (insert_loop_mem): Undo last change.
4920 1999-12-10 David S. Miller <davem@redhat.com>
4922 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4924 * config/sparc/sparc-protos.h: Add them.
4925 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4926 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4927 constraints which use those helpers.
4928 (EXTRA_CONSTRAINT): Use this new macro.
4929 * md.texi: Update sparc target constraints documentation.
4930 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4931 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4932 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4933 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4934 (movsf high/lo_sum split): Rework for new patterns.
4935 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4937 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4939 * c-common.c (c_common_nodes_and_builtins):
4940 Create __builtin_ptrdiff_t and __builtin_size_t.
4942 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4944 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4946 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4948 * regclass.c (globalize_reg): Re-instate test that allows
4949 fixed registers to be declared as a variable even after functions
4952 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4954 * i386.md (cpu attribute): Add "athlon".
4955 (athlon_decode): New attribute.
4956 (Athlon scheduling units definitions): New.
4957 (fcmp and shld patterns): Set athlon_decode to "vector".
4958 * i386.c (athlon_cost): New.
4960 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4961 x86_use_sahf): Set for Athlon.
4962 (x86_use_fiop): Unset for Athlon.
4963 (override_options): Define Athlon alignments and "athlon" name.
4964 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4965 * i386.h (TARGET_ATHLON): New.
4966 (enum processor_type): Add PROCESSOR_ATHLON.
4967 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4969 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4971 1999-12-09 Andreas Jaeger <aj@suse.de>
4973 * loop.c (record_biv): Declare parameter as int.
4975 * config/i386/i386-protos.h: Declare long_memory_operand.
4977 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4979 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4980 EXPR_WITH_FILE_LOCATION.
4982 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4984 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4987 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4989 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4992 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4994 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4995 default on linux64 again.
4996 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4997 models for multilibing.
4998 * genmultilib: Accept | as alternative separator within a set in
5001 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
5003 * calls.c (precompute_arguments): Make sure initial_value contains
5004 value pseudo which CSE expects.
5005 * cse.c (struct set): New entry orig_src.
5006 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5009 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5011 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5013 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5015 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5017 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5019 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5020 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5022 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5025 * longlong.h: Merge in changes from glibc.
5026 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5027 -mno-app-regs libgcc can be compiled.
5028 * libgcc2.c: Add defines so that the updated longlong.h
5029 can be used in libgcc2.a. Also, make sure on most architectures
5030 (at least on all which have optimized code in longlong.h defined
5031 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5033 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5035 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5036 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5037 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5039 * configure: Rebuilt.
5041 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5043 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5044 outputs require a register.
5046 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5048 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5049 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5050 functions like dptoul will be resolved.
5051 (libgcc2.a): Make sure that the object files from DPBIT are named
5052 differently (prefix `_dp') from those that would be coming from
5055 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5057 * configure.in: When target is sparc* and tm_file contains 64,
5058 test for 64bit support in assembler. If not supported, remove
5059 sparc/t-sol2-64 from target-dependent Makefile fragments.
5060 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5061 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5062 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5063 * acconfig.h (AS_SPARC64_FLAG): Added.
5064 * configure, config.in: Rebuilt.
5065 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5066 support. Use AS_SPARC64_FLAG.
5068 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5070 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5071 suitable for holding OFmode values so that gcc works with complex
5073 (hard_64bit_mode_classes): Likewise.
5075 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5076 so that it is actually matched.
5077 (sethi_di_medlow): Likewise.
5079 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5080 as legitimate constant if -mvis.
5081 * config/sparc/sparc.md (movtf): Likewise.
5082 (clear_sf): Use const_double_operand.
5083 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5085 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5086 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5087 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5088 routines, _Qp_* cannot be handled like that now.
5089 (INIT_TARGET_OPTABS): Likewise.
5090 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5091 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5092 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5093 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5094 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5095 divtf3, sqrttf3): New expanders.
5096 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5097 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5098 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5101 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5102 * configure: Rebuilt.
5103 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5104 -mcpu is given and we're doing 64bit compiles.
5106 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5108 * loop.h (struct induction): Add multi_insn_incr.
5109 * loop.c (basic_induction_var): New multi_insn_incr argument.
5110 Set it if we search back through previous insns for the biv.
5111 (record_biv): New multi_insn_incr argument; fill in struct induction.
5112 (strength_reduce): Discard an iv with multiple bivs, any of
5113 which require multiple insns to increment.
5115 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5117 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5120 1999-12-06 David S. Miller <davem@redhat.com>
5122 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5123 PROMOTE_FUNCTION_RETURN.
5125 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5127 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5128 and handle REG_UNUSED note on insn.
5130 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5131 inner_mask instead of mask.
5133 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5135 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5136 zero if there was an error.
5138 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5140 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5143 * longlong.h: Fix clobbers in SPARC asm statements.
5145 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5146 valid sethi operations when TARGET_ARCH64.
5148 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5149 always use move_by_pieces to avoid infinite recursion.
5150 (restore_fixed_argument_area): Likewise.
5152 * combine.c (check_promoted_subreg, record_promoted_value): New
5154 (combine_instructions): Use them to retain nonzero and sign bit
5155 information after SUBREGs are eliminated by optimizations in
5156 this pass if PROMOTE_FUNCTION_RETURN.
5158 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5159 .register declaration. Don't use variables with __ prefixes.
5161 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5163 * fold-const.c (optimize_bit_field_compare): Only use one mode
5164 for both RHS and LHS in non-constant case.
5166 1999-12-06 Nathan Sidwell <nathan@acm.org>
5168 * frame.c (start_fde_sort): Only allocate erratic array, if
5169 linear one was allocated. Return allocated flag.
5170 (fde_insert): Only insert, if there's a valid array.
5171 (fde_end_sort): Split, sort and merge if linear and erratic
5172 arrays exist, else just sort linear one.
5173 (search_fdes): New function. Linear search through original fde
5175 (frame_init): Permit multiple initializations. Cope with
5177 (find_fde): Fallback on linear search, if failed to sort array.
5178 (__deregister_frame_info): Only free sorted array, if we
5181 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5183 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5185 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5187 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5189 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5191 * tree.h (special_function_p): Declare.
5192 * calls.c (special_function_p): Make it global. Don't take `name'
5193 as a parameter. Fix typo in 1999-11-28 change.
5194 (expand_cal): Adjust.
5196 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5198 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5199 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5200 EXPR_WFL_FILENAME_NODE.
5201 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5203 * print-tree.c (print_note): Print TREE_PRIVATE and
5206 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5207 the original die cannot be found.
5209 * varray.h (varray_head_tag): Add elements_used.
5210 (VARRAY_PUSH): New macro.
5211 (VARRAY_POP): Likewise.
5212 (VARRAY_TOP): Likewise.
5213 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5215 * varray.c (varray_init): Initialize elements_used.
5216 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5217 (INTEGRATE_H): New variable.
5218 (integrate.o): Depend on INTEGRATE_H.
5219 (unroll.o): Likewise.
5221 * function.h (insert_block_after_note): Declare.
5222 * function.c (insert_block_after_note): Split out from ...
5223 (retrofit_block): ... here.
5225 * stmt.c (expand_fixup): Fix typo in comment.
5227 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5229 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5230 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5231 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5232 (regmove_optimize, fixup_match_1): Likewise.
5234 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5236 * flow.c (flow_loops_dump): Add missing argument when calling
5239 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5240 Greg McGary <gkm@gnu.org>
5242 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5243 (init_attributes): Add A_NO_LIMIT_STACK.
5244 (decl_attributes): Handle A_NO_LIMIT_STACK.
5245 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5246 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5247 Handle stack bounds checking.
5248 * flags.h (flag_stack_check): Use the word 'probe' rather than
5249 'check', because the flag doesn't actually cause any checking to
5251 * function.c (expand_function_start): Set
5252 current_function_limit_stack.
5253 * function.h (struct function): Add limit_stack.
5254 (current_function_limit_stack): Define.
5255 * invoke.texi (Code Gen Options): Document new options.
5256 * rtl.h: Declare stack_limit_rtx.
5257 * toplev.c (stack_limit_rtx): New variable.
5258 (decode_f_option): Handle new options -fstack-limit-register=REG,
5259 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5260 (main): Add stack_limit_rtx as GC root.
5261 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5262 (struct tree_decl): New member no_limit_stack.
5264 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5266 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5267 (conditional_trap+1): Get new mnemonic correct.
5268 (conditional_trap+2): New pattern for DImode traps.
5270 * config/m68k/m68k.c (output_function_prologue): Handle
5272 * config/m68k/m68k.md (trap): New insn.
5273 (conditional_trap): New insn.
5274 * md.texi (Standard Names): Document `trap' and
5276 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5277 so a cc0 setter doesn't get emitted at some random place in the
5280 * config/i960/i960.md (trap): New insn.
5281 (conditional_trap): New expander.
5282 (conditional_trap+1, conditional_trap+2): New insns for signed
5284 * config/i960/i960.c (i960_function_prologue): Use
5285 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5287 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5288 Geoffrey Keating <geoffk@cygnus.com>
5290 * flags.h (warn_padded, warn_packed): Add global var decls.
5291 * toplev.c (warn_padded, warn_packed): Add global var defns.
5292 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5293 * stor-layout.c (layout_record): Add local variable `type'
5294 to hold often-used TREE_TYPE (field). Add local variable
5295 `unpacked_align' to hold alignment that would be in force
5296 if no `packed' attribute were present. Warn if `packed' attribute
5297 is unnecessary, or even harmful. Warn when gcc inserts padding
5298 to satisfy alignment requirements of members. Use NULL_TREE
5299 when checking whether var_size is set.
5300 * invoke.texi: Document new flags.
5302 1999-12-03 Nathan Sidwell <nathan@acm.org>
5304 * frame.c (fde_split): Reimplement to avoid variable sized array.
5306 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5308 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5309 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5311 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5313 * invoke.texi: Document the mips option -mno-crt0
5315 1999-12-02 Mike Karr <mkarr@mathworks.com>
5317 * cccp.c (argdata): Added free_ptr member.
5318 (macroexpand): Initialize free_ptr of each argument. When an
5319 argument's buffers are freed, if the argument's free_ptr corresponds
5320 to a buffer on the input stack, then return the free_ptr to that stack
5321 frame, otherwise, free it.
5322 (macarg): If an argument begins and ends on the same input stack level,
5323 then transfer the free_ptr of that buffer to the argument in case
5324 the stack is popped during the processing of a subsequent argument.
5326 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5328 * loop.c (note_reg_stored): New function.
5329 (struct note_reg_stored_arg): New structure.
5330 (try_copy_prop): Change to be more conservative; only replace within
5331 one extended basic block and stop replacing if a store to the
5332 replacement reg is seen.
5334 1999-12-02 Nick Clifton <nickc@cygnus.com>
5336 * config/fp-bit.c: Initialise all fields of the NAN
5339 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5342 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5344 * i386.md (extend?f?f2): Force the input into a register, not
5347 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5349 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5351 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5352 alternative because setting up 64bit constant is usually costly,
5353 especially when reload is in progress or completed.
5354 (movdf_const_intreg_sp64): Likewise.
5355 (movdf_const_intreg split): Fix building up constants when
5356 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5358 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5360 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5361 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5364 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5365 (asm_file_start): Emit .am33 into assembly file when compiling for
5367 (print_operand_address): Handle POST_INC addresses.
5368 (can_use_return_insn, initial_offset): Check AM33 registers too.
5369 (expand_prologue): Check & save AM33 registers too.
5370 (expand_epilogue): Similarly.
5371 (secondary_reload_class): Handle AM33 specific secondary reloads.
5372 (output_tst): Emit efficient code for the AM33 too.
5373 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5374 (TARGET_SWITCHES): Add -mam33 switch.
5375 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5376 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5377 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5378 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5379 (enum reg_class, REG_CLASS_NAMES): Likewise.
5380 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5381 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5382 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5383 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5384 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5385 (HAVE_POST_INCREMENT): Define.
5386 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5387 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5388 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5389 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5390 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5391 (zero_extend to SI from QI/HI): Likewise.
5392 (sign_extend to SI from QI/HI): Likewise.
5393 (mulsidi3, umulsidi3): New patterns for the AM33.
5394 (tstsi with zero extension from QI/HI): Add AM33 variants.
5395 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5396 (return_internal_regs, store_movm): Handle new AM33 registers.
5397 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5398 (LIBGCC, INSTALL_LIBGCC): Likewise.
5399 * invoke.texi: Document new flags.
5401 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5403 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5404 (addsi3_carry): Likewise.
5405 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5406 (sbbsi3_carry): Likewise.
5407 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5409 (test?i_1): Ensure that only one operand is memory.
5410 (conditional move patterns): likewise.
5411 (shift and rotate patterns): Rewrite to expander, add
5412 "binary_operator_ok" to the condition.
5414 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5415 * i386.h (procesor_costs): Add movzbl_load field.
5416 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5417 non-Q registers, accept DImode registers anywhere.
5419 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5420 * i386.c (*_cost): Set value for movxbl_load field.
5422 * (addsi): New add to lea splitter.
5424 (lea to add/shift peep2): New.
5426 1999-12-01 Mark Salter <msalter@cygnus.com>
5428 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5429 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5430 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5432 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5434 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5435 * i386.md (movsi_xor): New.
5437 (movsi_1, movhi_1, movqi_1): Remove.
5438 (movsi_2): Rename to movsi_1.
5439 (movhi_2): Rename to movhi_1.
5440 (movqi_2): Rename to movqi_1.
5441 (movdi_1): Remove; remove splitter.
5442 (movdi_2): Rename to movdi_1.
5443 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5444 (long move peep2): Do not create QI or HI mode mov0s
5445 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5447 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5450 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5451 (abs?f2_if): Likewise.
5453 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5455 * ggc.h (ggc_test_and_set_mark): New macro.
5456 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5457 (ggc_mark_tree): Likewise.
5458 (ggc_mark_rtvec): Likewise.
5459 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5461 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5463 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5465 (decl_scope_table): Just an array of trees now.
5466 (push_decl_scope): Simplify.
5467 (dwarf2out_init): Adjust.
5468 (local_scope_p): New fn.
5469 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5470 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5471 (gen_typedef_die): Likewise.
5472 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5473 (gen_inlined_subroutine_die): Likewise.
5474 (gen_abstract_function): Set current_function_decl temporarily.
5475 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5476 Handle block extern declarations. Don't call push/pop_decl_scope.
5477 (gen_decl_die): Fix logic for block externs.
5479 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5481 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5482 to the list of functions which have attribute malloc by default.
5484 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5486 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5487 integer constant does not match the traditional type, limit the
5488 warnings to cases where the base of the type is ten.
5490 * invoke.texi (-Wtraditional): Document it.
5492 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5494 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5495 * rs6000.md: Only access a CONST_INT with INTVAL
5497 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5499 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5500 (compute_nearerout): Likewise.
5501 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5502 size_t to unsigned long for formatting.
5504 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5506 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5507 Allow the user to override call-used/fixed state of %g2-5
5508 registers from the command line (with the exception of %g4 for
5510 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5511 there is a higher chance of having a leaf function.
5512 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5513 for ARCH64 which has %ccr register.
5514 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5516 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5517 insn accept into delay slot any insn which does not use %[ol]
5518 registers. Accept some LO_SUM and shift left by 1 for the normal
5520 (output_function_epilogue): Likewise.
5521 (epilogue_renumber): Added argument which inhibits any renumbering
5522 and just tests if the rtx does not use any %[ol] registers.
5523 (output_return): Reflect above change.
5525 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5527 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5528 aggregate passing for sizes <= 16 bytes.
5530 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5532 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5533 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5534 * reload.c (find_dummy_reload): Likewise.
5535 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5536 * reload1.c (reload_as_needed): Likewise.
5537 * stupid.c (stupid_find_reg): Likewise.
5538 * tm.texi (Obsolete Register Macros): Delete section.
5539 * gmicro.h: Remove all traces of the two macros.
5544 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5546 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5547 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5548 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5549 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5550 units for the sparclite86x chip.
5551 (flush): Revert October 14th change; add SImode specifically.
5552 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5553 * invoke.texi: Document it.
5555 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5557 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5558 psimode_truncation_operand.
5560 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5561 function. Return true if the operand is either a MEM valid
5562 for a PSImode address or not a MEM at all.
5564 * config/mn10200/mn10200.md (truncsipsi2): Use
5565 psimode_truncation_operand.
5567 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5569 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5570 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5571 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5572 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5573 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5574 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5575 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5576 * basic-block.h: Protect from multiple inclusion.
5577 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5578 (struct loops, struct loop): Define structures.
5579 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5580 * sbitmap.h: Protect from multiple inclusion.
5581 (sbitmap_a_subset_b_p): Add prototype.
5582 * Makefile.in (LOOP_H): New macro.
5583 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5585 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5587 * cppinit.c (CAT): The argument list of this macro may not contain
5590 1999-11-29 David S. Miller <davem@redhat.com>
5592 Move quantity tables and register equivalence chains into
5593 per-qty and per-register structure arrays respectively.
5594 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5595 qty_const_insn, qty_comparison_code, qty_comparison_const,
5596 qty_comparison_qty): Delete, replace with...
5597 (qty_table): this structure table.
5598 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5599 (reg_eqv_table): this structure table.
5600 (make_new_qty): Add argument MODE. Caller updated.
5601 Update to use qty_table and reg_eqv_table.
5602 (make_regs_eqv, delete_reg_equiv, insert_regs,
5603 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5604 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5605 cse_process_notes, cse_main, cse_basic_block): Likewise.
5607 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5609 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5610 operation if C is negative.
5611 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5612 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5613 law for some divisions if constant is negative and change other
5614 divisions to the opposite rounding.
5616 * expr.c (store_constructor_field): If bit position is not multiple
5617 of alignment of TARGET's mode, use BLKmode.
5619 * expr.c (expand_expr_unaligned): Add more code from full case
5620 that is needed when OP0 is in a register.
5622 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5624 * dwarfout.c (field_byte_offset): Size can be zero if there was
5627 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5629 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5630 (associate_trees): Delete unused var TEM.
5631 (extract_muldiv): Delete unused var CANCEL_P.
5633 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5634 (target_isinf, target_isnan, target_negative): Add return types to
5635 function definitions.
5637 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5639 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5640 * fixinc/hackshell.tpl: ditto
5641 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5642 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5644 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5646 * reload.c (push_reload): When looking for a register to put into
5647 reg_rtx, make sure all hard regs in a multi-reg register are in the
5648 right class and nonfixed.
5650 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5651 pending_read_insns, pending_write_insns, pending_read_mems,
5652 pending_write_mems, pending_list_length, last_pending_memory_flush,
5653 last_function_call, sched_before_next_call): Move static variables
5655 (bb_ prefixed versions): Replace with single array bb_deps.
5656 (struct deps): New structure.
5657 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5658 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5659 argument of type "struct deps *"; use that instead of global
5660 variables. All callers changed.
5661 (init_rgn_data_dependencies): Delete function.
5662 (init_rtx_vector): Delete function.
5663 (init_deps): New function.
5665 (free_pending_lists): Simplify, we always use the bb_deps array even
5666 if only one basic block.
5667 (compute_block_backward_dependences): Likewise.
5668 (schedule_region): Likewise.
5670 (propagate_deps): New function, broken out of
5671 compute_block_backward_dependences.
5672 (compute_block_backward_dependences): Use it.
5674 * alpha.md: Delete useless patterns that tried to work around
5675 register elimination problems.
5677 * unroll.c (loop_iterations): Don't abort if iteration variable
5680 From Joern Rennecke:
5681 * reload1.c (reloads_conflict): Reverse test comparing operand
5682 numbers when testing for conflict between output/outaddr reloads.
5684 1999-11-29 David S. Miller <davem@redhat.com>
5686 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5688 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5690 1999-11-28 Robert Lipe <robertl@cygnus.com>
5692 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5693 table from .fini into .dtor.
5695 1999-11-28 Anthony Green <green@cygnus.com>
5697 * tree.h (struct tree_decl): Add malloc_flag.
5698 (DECL_IS_MALLOC): Define.
5699 * c-common.c (attrs): Add A_MALLOC attribute.
5700 (init_attributes): Add this attribute to the table.
5701 (decl_attributes): Handle malloc attribute.
5702 * calls.c (special_function_p): Check for the malloc attribute.
5703 * extend.texi (Function Attributes): Document malloc attribute.
5705 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5707 * pa.md (reload shift-add patterns): Remove.
5709 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5711 * reorg.c (dbr_schedule) Print more statistics. Corrected
5712 problem when printing info when 3 delay slots are filled.
5714 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5716 * combine.c (setup_incoming_promotions): Pass an outgoing
5717 regno to FUNCTION_ARG_REGNO_P which it expects.
5719 1999-11-28 Andreas Jaeger <aj@suse.de>
5721 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5723 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5725 * cccp.c (do_include): Avoid initialization of automatic variable.
5727 * integrate.c (mark_stores): Function definition made void, to match
5728 previous declaration.
5729 * regclass.c (dump_regclass): Ditto.
5730 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5732 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5734 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5735 known to be multiple of divisor.
5737 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5739 * combine.c (try_combine): Add code to try to merge a set of a
5740 two-word pseudo to a constant with a setting of one of those words
5743 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5744 (split_tree): Completely rework to make more general.
5745 (make_range, fold): Call negate_expr.
5746 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5747 (fold, associate): Call new split_tree and associate_trees.
5748 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5750 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5752 * loop.c (try_copy_prop): Avoid GNU C extension.
5754 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5756 * except.c (init_eh_for_function): Still zero eh_return_context,
5757 eh_return_stack_adjust, and eh_return_handler.
5759 * except.h (eh_status): Adjust documentation for x_protect_list.
5760 (begin_protect_partials): New function.
5761 * except.c (enqueue_eh_entry): Fix formatting.
5762 (get_first_handler): Add consistency check.
5763 (add_partial_entry): Adjust usage of protect_list.
5764 (emit_cleanup_handler): Save and restore ehqueue.
5765 (expand_start_all_catch): Add comment.
5766 (begin_protect_partials): New function.
5767 (end_protect_partials): Adjust usage of protect_list.
5768 (init_eh_for_function): Use xcalloc.
5770 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5772 * c-common.c (check_format_info): Don't call a variadic function
5773 with a non-literal format string.
5775 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5777 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5778 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5781 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5784 * collect2.c (collect_wait): Likewise.
5786 * dbxout.c (dbxout_type): Likewise.
5788 * gcc.c (do_spec_1): Likewise.
5790 * genemit.c (gen_insn, gen_expand): Likewise.
5792 * genrecog.c (write_switch, write_subroutine): Likewise.
5794 * mips-tfile.c (catch_signal, botch): Likewise.
5796 * print-rtl.c (print_rtx): Likewise.
5798 * toplev.c (default_print_error_function, report_error_function,
5799 _fatal_insn): Likewise.
5801 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5803 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5805 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5807 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5808 operations when needed.
5809 * i386.md (fop_?f_comm): New.
5810 (fop_?f_1): Do not accept commutative operands.
5812 1999-11-25 Andreas Jaeger <aj@suse.de>
5814 * config/mips/mips.md (casesi_internal): Add missing brace.
5816 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5818 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5819 (splice_child_die): Handle moving a child DIE from the declaration
5820 DIE of a class to its specification.
5821 (gen_struct_or_union_type_die): Use 'complete' consistently.
5822 (gen_decl_die): Generate the virtual context DIE first.
5823 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5825 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5827 * config/mips/mips.md (call_value_multiple_interanal1): New.
5829 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5831 * dwarf2out.c (free_AT, free_die): New fns.
5832 (remove_children): Call them.
5833 (output_line_info): Disable removal of duplicate notes.
5835 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5836 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5837 means pretend the type isn't defined.
5838 Don't defer emitting types.
5839 (gen_type_die_for_member): New fn.
5840 (gen_decl_die): Call it.
5841 (splice_child_die): New fn.
5842 (gen_member_die): Call it rather than generate duplicate dies.
5844 Defer emitting information for the abstract instance of an inline
5845 until we either inline it or emit an out-of-line copy.
5846 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5847 from output_inline_function if DECL_ABSTRACT is also set.
5848 (block_ultimate_origin): Likewise.
5849 (gen_abstract_function): New fn.
5850 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5851 (gen_subprogram_die): An abstract instance is not a declaration
5852 just because it doesn't match current_function_decl. Don't abort
5853 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5854 has an abstract origin.
5855 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5856 abstract instance here.
5858 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5860 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5861 where we need to reload fpul from a system register.
5863 1999-11-24 Andreas Jaeger <aj@suse.de>
5865 * config/mips/linux.h (CPP_PREDEFINES): Added.
5866 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5868 1999-11-24 Andreas Jaeger <aj@suse.de>
5870 * config/mips/linux.h (TARGET_VERSION): Added.
5871 (HANDLE_SYSV_PRAGMA): Added.
5872 (DEFAULT_VTABLE_THUNKS): Added.
5874 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5876 * local-alloc.c (qty): New structure and static variable.
5877 (qty_phys_reg): Remove, all references changed to qty.
5878 (qty_n_refs): Likewise.
5879 (qty_min_class): Likewise.
5880 (qty_birth): Likewise.
5881 (qty_death): Likewise.
5882 (qty_size): Likewise.
5883 (qty_mode): Likewise.
5884 (qty_n_calls_crossed): Likewise.
5885 (qty_alternate_class): Likewise.
5886 (qty_changes_size): Likewise.
5887 (qty_first_reg): Likewise.
5888 (alloc_qty): Rename variable QTY to QTYNO.
5889 (finf_free_reg): Likewise.
5890 (local_alloc): Allocate qty, do not allocate the removed variables.
5892 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5894 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5895 when -membedded-pic is passed.
5897 * config/mips/mips.md (casesi): Handle 64-bit case too.
5898 (casesi_internal_di): New insn.
5900 * config/mips/mips.c (embedded_pic_offset): Always make the
5901 embedded-pic subtractions relative to the name of the current
5902 function by use of the magic string "..CURRENT_FUNCTION".
5903 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5905 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5907 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5908 of (const_int 0), when what we really care about is
5909 whether it's a zero constant anyway.
5910 (div_trap_mips16): Likewise.
5912 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5914 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5915 unroll_block_trees when generating debuggable code.
5917 * tree.h (unsave_expr_1): New function.
5918 (lang_unsave): New variable.
5919 (get_callee_fndecl): New function.
5920 * tree.c (unsave_expr_now_r): New function.
5921 (lang_unsave): Define.
5922 (unsave_expr_1): Likewise.
5923 (unsave_expr_now_r): Split out from unsave_expr_now.
5924 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5925 call unsave_expr_now_r.
5926 (get_callee_fndecl): Define.
5928 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5929 (gencheck.o): Do depend on lang_tree_files.
5931 * integrate.h (copy_decl_for_inlining): New declaration.
5932 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5933 (copy_decl_for_inlining): New function.
5934 (integrate_parm_decls): Use it.
5935 (integrate_decl_tree): Likewise.
5937 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5939 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5940 the second two from the first.
5941 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5942 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5943 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5945 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5946 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5949 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5951 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5952 needed on the address operand.
5953 * pa.c (call_operand_address): Check for the correct mode.
5955 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5957 * loop.c: Include "basic-block.h".
5958 (try_copy_prop, replace_loop_reg): New functions.
5959 (load_mems): Detect registers that just hold copies of the hoisted
5960 mem, and call try_copy_prop to eliminate them.
5961 * Makefile.in (loop.o): Update dependencies.
5963 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5965 * Makefile.in (gencheck.o): Depend on gencheck.h.
5966 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5967 (insn-peep.o): Depend on except.h and function.h.
5968 (insn-attrtab.o): Depend on RECOG_H.
5969 (insn-output.o): Depend on toplev.h and flags.h.
5970 (gengenrtl.o): Depend on real.h.
5971 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5972 Unify all dependencies to be on RECOG_H rather than recog.h.
5974 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5976 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5977 * configure.in: Try building a bi-arch 32/64-bit compiler on
5978 sparc-*-solaris2.7 and higher.
5979 * configure: Rebuild.
5981 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5983 * config/freebsd.h: New, FreeBSD architecture independent file.
5984 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5986 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5987 directly by i386/freebsd.h.
5988 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5989 independent configuration file.
5990 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5991 directly by i386/freebsd.h.
5992 * configure: Rebuilt.
5994 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5995 which is in the user's namespace.
5996 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5997 `i386' which is not in our namespace.
5999 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
6001 * invoke.texi (ARM Options): Add in -mno-alignment-traps
6003 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6005 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
6006 (add_dwarf_attr, add_child_die): Just push onto the front.
6007 (reverse_die_lists): New fn.
6008 (add_sibling_attributes): Use it.
6009 (push_decl_scope): Reorganize.
6010 (add_name_and_src_coords_attributes): Don't set file and line for
6012 (gen_subprogram_die): An artificial function doesn't need to match
6014 (gen_compile_unit_die): Return the generated die. Only add
6015 AT_comp_dir if the filename is relative.
6016 (remove_AT): Simplify loop. Also free string values.
6017 (output_die): A DIE ref can't be null.
6018 (output_value_format, value_format): Take a dw_attr_ref.
6019 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6020 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6021 AT_addr, AT_lbl): New fns.
6022 (various): Use them.
6023 (various): Constify.
6025 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6027 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6028 take SUBREG_WORD into account.
6029 (if_then_else_cond): Likewise.
6031 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6033 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6034 clause from BSD license, pursuant with
6036 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6038 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6040 * loop.c (load_mems): Reformat slightly.
6041 * basic-block.h (regset_head): New typedef.
6042 (INIT_REG_SET): New macro.
6044 1999-11-22 Bruce Korb <autogen@linuxbox.com
6046 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6047 (mips-dec-bsd*): non-functional code
6048 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6050 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6051 added three replacement fixes
6052 (no_double_slash): removed comments that are not (any longer) pertinent
6053 (bad_lval): this fix currently runs against many files.
6054 The comment seems to indicate that we should select for files
6055 containing 'pragma extern_prefix'.
6057 * fixinc/fixinc.x86-linux-gnu: deleted
6058 * fixinc/inclhack.sh: regen
6059 * fixinc/fixincl.x: regen
6060 * fixinc/fixincl.sh: regen
6062 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6064 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6065 its code is INSN and it has no notes.
6067 1999-11-22 Andrew Haley <aph@cygnus.com>
6069 * varasm.c (function_defined): Remove.
6070 (make_function_rtl): Don't set function_defined.
6071 (make_decl_rtl): Remove global register warning.
6072 * regclass.c (no_global_reg_vars): New variable.
6073 (globalize_reg): Warn if function has already been defined.
6074 (regclass_init): Set no_global_reg_vars.
6076 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6078 * regclass.c (reg_pref): New structure and static variable
6079 (prefclass): Delete.
6081 (all uses of prefclass and altclass): Use reg_pref instead.
6083 1999-11-21 Nick Clifton <nickc@cygnus.com>
6085 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6087 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6088 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6089 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6091 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6093 * varasm.c (output_constructor): Solve problem with long long
6094 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6096 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6098 * global.c (allocno): New structure and static variable.
6099 (allocno_reg): Remove, all references replaced by allocno.
6100 (allocno_size): Likewise.
6101 (hard_reg_conflicts): Likewise.
6102 (hard_reg_preferences): Likewise.
6103 (hard_reg_copy_preferences): Likewise.
6104 (hard_reg_full_preferences): Likewise.
6105 (regs_someone_prefers): Likewise.
6106 (allocno_calls_crossed): Likewise.
6107 (allocno_n_refs): Likewise.
6108 (allocno_live_length): Likewise.
6109 (find_reg): Rename ALLOCNO to NUM.
6111 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6113 (may_move_out_cost): New variable.
6114 (init_reg_sets_1): Initialize may_move_out_cost.
6115 (record_reg_classes): Use may_move_out_cost.
6117 * regclass.c (dump_regclass): New function.
6118 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6119 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6120 pass rtl_dump_file to regclass.
6121 * rtl.h (regclass): Update prototype.
6123 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6125 * i386.md (neg, not and abs patterns): Revmap to use
6126 ix86_expand_unary_operator and ix86_unary_operator_ok.
6127 (add?f and sub?f expanders): Force operand 1 to register.
6128 * i386.c (ix86_expand_unary_operator): Rewrite.
6129 (ix86_unary_operator_ok): Ensure that memory operands
6131 (ix86_binary_operator_ok): Do not allow operand 1 to
6132 come into memory and operand 0 not.
6133 (ix86_expand_binary_operator): Ensure that
6134 src1 is not non-matching memory.
6136 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6137 to support integer registers and memory.
6138 (abss?2_integer): Likewise.
6140 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6141 (REG_CLASS_NAMES): Likewise.
6142 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6144 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6145 (movsf): Likewise; unify 4th and 5th alternative.
6147 (movdf_1): Likewise; rename to movdf_integer.
6148 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6149 remove redundant splitter.
6150 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6151 (movdf_nointeger): New.
6152 (movxf_nointeger): New.
6153 (pushxf_nointeger): New.
6155 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6156 memory operands in patterns.
6157 (fop*): Refuse two memory operands.
6159 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6160 on !TARGET_USE_CLTD CPUs.
6162 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6164 * extend.texi: Document C++ restricted pointers and references.
6166 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6168 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6169 (invalidate_skipped_set): Call it unconditionally.
6170 (cse_set_around_loop): Likewise.
6172 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6174 * rtl.texi (mem): Add documentation for alias-set argument
6177 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6179 * i386.h (struct_processor_costs): New fields int_load, int_store,
6180 fp_move, fp_load and fp_store
6181 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6183 (MEMORY_MOVE_COST): New macro.
6184 * i386.c (386_cost): Define new fields.
6185 (i486_cost): Likewise.
6186 (pentium_cost): Likewise.
6187 (pentiumpro_cost): Likewise.
6188 (k6_cost): Likewise.
6190 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6191 Geoffrey Keating <geoffk@cygnus.com>
6193 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6195 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6198 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6199 (TARGET_STRICT_ALIGNMENT): New macro.
6200 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6201 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6202 * invoke.texi (M680x0 Options): Document -mstrict-align.
6204 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6205 Richard Henderson <rth@cygnus.com>
6207 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6208 (ix86_split_long_move): Declare.
6209 * i386.c (split_xf, ix86_split_movdi): Remove.
6210 (ix86_split_to_parts, ix86_split_long_move): New.
6211 * i386.md (dimode move splitters): Use ix86_split_long_move.
6212 (dfmode move splitters): Likewise.
6213 (xfmode move splitters): Likewise.
6214 (movsf_1): Allow F->r.
6215 (movdf_1, movxf_1): Allow F->ro.
6217 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6219 * except.h (struct eh_entry): Add goto_entry_p.
6220 (eh_region_from_symbol): Remove prototype.
6221 * except.c (find_func_region_from_symbol): New function.
6222 (emit_cleanup_handler): Likewise.
6223 (eh_region_from_symbol): Make it static.
6224 (add_new_handler): Verify the argument.
6225 (find_func_region): Update comment.
6226 (expand_eh_region_end): Expand handlers here, rater than waiting
6227 until expand_leftover_cleanups or start_all_catch.
6228 (expand_leftover_cleanups): Don't expand here.
6229 (expand_start_all_catch): Or here.
6230 (expand_rethrow): Check the return value from find_func_region.
6231 * function.c (expand_function_end): Emit the catch_clauses.
6233 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6235 * integrate.c (expand_inline_function): Add necessary check for NULL.
6237 1999-11-18 Nick Clifton <nickc@cygnus.com>
6239 * toplev.c (main): Correctly detect an unrecognised option.
6241 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6242 a -f option if it has not been recognised.
6244 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6246 * basic-block.h (update_life_extent): Remove trailing comma on
6247 enumeration type list.
6249 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6251 * varasm.c (output_constructor) Solved problem with long long
6252 bitfields. Corrected calculating this_time and shift. Also
6253 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6255 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6257 * flow.c (split_edge): Take looping structure into account when
6258 determining where to put the new block note.
6260 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6262 * Makefile.in (ggc-none.o): Provide host specific version if
6265 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6267 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6268 containing subregs too.
6270 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6272 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6273 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6274 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6275 (text_section): Add switches -munint-const-in-rodata and
6276 -mno-uninit-const-in-rodata.
6277 (ASM_OUTPUT_COMMON): Remove.
6278 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6279 const objects should be placed in read-only data. Otherwise declare
6282 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6284 * jump.c (jump_optimize_1): Revert last change.
6286 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6288 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6289 test if optimizing for size.
6291 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6293 * Makefile.in (toplev.o): Depend on except.h.
6294 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6296 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6298 * i386.md (divmodsi4): Rewrite to expander.
6299 (*divmodsi4_nocltd): New.
6300 (*divmodsi4_cltd): New.
6301 (divmodsi4 splitter): Handle the case when input comes in edx.
6302 (udivmodhi4): Do not use constraints in exander.
6303 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6305 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6307 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6308 for the common case.
6310 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6312 * explow.c (hard_function_value): Add outgoing argument.
6313 * expr.h (hard_function_value): Declare it.
6314 * calls.c (expand_call, emit_library_call_value): Update callers.
6315 * function.c (aggregate_value_p): Ditto.
6316 (diddle_return_value): Must look at the outgoing registers
6317 on archs with register windows.
6319 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6321 * alpha.c (alpha_build_va_list): Use make_lang_type and
6322 initialize TYPE_NAME for the va_list record.
6324 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6326 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6328 * ggc.h (struct ggc_statistics): Rearrange elements for better
6329 packing on 64-bit hosts.
6330 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6331 (compute_nearerout): Likewise.
6333 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6335 * config/rs6000/rs6000.c (first_reg_to_save): Save
6336 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6338 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6340 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6341 notion of nesting to find the DIE for a type or function.
6342 DIEs can go in limbo even if we got a context_die.
6343 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6344 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6346 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6347 (gen_type_die): Writing out the context doesn't cause member class
6348 template instantiations to be written out as well.
6350 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6352 * rs6000.h (ASM_OUTPUT_DEF): New.
6353 Based on proposed addition from David Edelsohn.
6355 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6356 Bruce Korb <autogen@linuxbox.com>
6358 * fixinc/inclhack.def
6359 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6360 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6362 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6363 (svr4_endian): enabled with SVR5
6364 (svr4_mkdev): simplified syntax and enabled with SVR5
6366 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6368 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6369 * configure: Rebuilt.
6370 * config/t-freebsd-thread: New file.
6372 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6374 * i386.c (ix86_decompose_address): Verify the base is a REG
6375 before trying to examine its register number.
6377 * basic-block.h: Remove all #defines and prototypes related to
6379 (free_bb_mem, compute_preds_succs): Remove prototype.
6380 * rtl.h (free_bb_mem): Remove prototype.
6381 * flow.c (alloc_int_list_node); Remove function.
6382 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6383 (compute_preds_succs, free_bb_mem): Likewise.
6384 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6385 * toplev.c (rest_of_compilation): Likewise.
6386 * haifa-sched.c (build_control_flow): Use flow generated edge
6387 list to build the haifa specific edge list.
6388 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6389 (schedule_insns): Do not build pred/succ lists anymore. Instead
6390 build the edge table.
6392 * basic-block.h (dump_bb_data): Remove declaration.
6393 * flow.c (dump_bb_data): Remove function.
6394 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6395 (sbitmap_union_of_predsucc): Likewise.
6397 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6398 argument. All callers changed.
6399 (delete_null_pointer_checks_1): No longer need to compute the
6402 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6403 All callers changed.
6404 (pre_expr_reaches_here_p_work): Likewise.
6405 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6406 * lcm.c (compute_laterin): Fix initialization of LATER.
6407 (compute_nearerout): Similarly for NEARER.
6409 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6411 * cse.c (set_nonvarying_address_components): Delete unused function.
6412 (refers_to_p): Likewise.
6414 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6416 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6419 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6421 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6422 definition in do while (0).
6424 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6426 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6428 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6430 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6432 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6434 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6435 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6436 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6437 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6439 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6440 saved on the stack. Output more accurate stack frame statistics
6441 into assembler file.
6443 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6445 * genextract.c (record_insn_name): New function.
6446 (get_insn_name): No longer a stub.
6447 (main): Call record_insn_name for each insn. After each label
6448 written, print the insn name in a comment.
6450 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6452 * output.h (const_section, init_section, fini_section): Add
6455 * alpha/elf.h (const_section): Delete declaration.
6457 * svr4.h (const_section): Likewise.
6459 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6461 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6462 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6463 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6465 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6466 variable-sized array bounds.
6468 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6470 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6473 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6475 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6476 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6478 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6480 * cse.c (hash_arg_in_struct): Delete.
6481 (struct table_elt): Delete elt in_struct.
6482 (struct set): Delete elt src_in_struct.
6483 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6484 the corresponding in_struct elts.
6485 (canon_hash): Likewise.
6486 (safe_hash): Likewise.
6487 (find_best_addr): Likewise.
6488 (record_jump_cond): Likewise.
6489 (cse_insn): Likewise.
6491 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6493 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6495 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6498 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6500 * function.c (diddle_return_value): Put back check that the DECL_RTL
6501 for the function is a register.
6503 * function.c (diddle_return_value): Use hard_function_value to
6504 get an rtx suitable for use in the USE/CLOBBER insn.
6506 * global.c (global_conflicts): Update comments.
6507 (record_conflicts): No need to record conflicts between pseudos here.
6509 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6511 * fixinc/fixincl.c: Added verbose levels for status messages
6513 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6515 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6516 operand as argument to expand_and or expand_binop.
6518 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6520 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6521 gcc_add_string_root.
6523 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6525 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6527 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6529 * flow.c (compute_flow_dominators): Initially put all blocks on
6531 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6532 * gcse.c (compute_cprop_avinout): Remove.
6533 (compute_cprop_data): Use compute_available.
6534 (delete_null_pointer_checks_1): Use compute_available.
6536 * basic-block.h (compute_available): Returns a void now.
6537 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6538 to return a value anymore.
6539 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6540 worklists. Fix boundary cases. Compute maximal solutions.
6541 (compute_laterin, compute_nearerout): Similarly.
6543 * dwarf2out.c (add_AT_location_description): Allow
6544 (mem (plus (pseudo) (...)) too.
6546 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6548 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6550 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6551 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6553 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6555 * gansidecl.h: Likewise.
6561 * toplev.h: Likewise.
6567 * varray.c: Likewise.
6569 * varray.h: Likewise.
6571 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6573 * gcov.c (struct arcdata): Add hits and total, remove prob.
6574 (output_branch_counts): New.
6575 (process_args): Set output_branch_counts if -c.
6576 (calculate_branch_probs): Store hits and total instead of
6578 (output_data): Emit counts if output_branch_counts is true.
6579 * gcov.texi (Invoking Gcov): Document -c switch..
6581 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6583 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6584 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6586 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6588 * invoke.texi (C Dialect Options): Add missing builtins from
6590 * extend.texi (Other Builtins): Copy to this list.
6592 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6594 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6595 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6598 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6600 * flow.c (compute_flow_dominators): No longer treat basic block 0
6601 or (n_basic_blocks - 1) specially. Clear the AUX field before
6602 starting computation of doms/pdoms. Fix initial state for pdoms.
6604 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6606 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6607 match rtl.o's: added ggc.h and toplev.h
6608 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6609 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6610 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6612 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6614 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6615 from HAVE_DOS_BASED_FILESYSTEM.
6616 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6617 HAVE_DOS_BASED_FILESYSTEM.
6619 (split_directories): Only special-case DOS file names if
6620 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6621 instead of explicit tests. Conditionalize on !VMS.
6622 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6623 tests. Conditionalize on !VMS.
6624 (process_command): Only use make_relative_prefix if !VMS.
6625 (free_split_directories): Conditionalize on !VMS.
6626 (DIR_UP): Conditionalize on !VMS.
6628 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6630 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6632 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6634 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6637 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6639 * invoke.texi (Environment Variables): Document relative path
6641 * gcc.c (DIR_UP): If not defined, define as "..".
6642 (standard_bindir_prefix): New static, holds target location to
6644 (split_directories): New function to split a filename into
6645 component directories.
6646 (free_split_directories): New function, release memory allocated
6647 by split_directories.
6648 (make_relative_prefix): New function, make a relative pathname if
6649 the compiler is not in the expected location.
6650 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6651 can figure out an appropriate prefix from argv[0].
6652 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6653 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6654 STANDARD_BINDIR_PREFIX.
6656 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6658 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6660 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6661 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6662 c4x_secondary_memory_needed) Delete.
6663 (fp_zero_operand): Add mode argument.
6665 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6667 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6668 that is in reload_reg_used.
6670 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6672 * config/arm/arm-protos.h: New file: Prototypes for functions
6673 defined in arm.c and pe.c.
6674 * config/arm/arm.h: Fix compile time warnings.
6675 * config/arm/arm.c: Fix compile time warnings.
6676 * config/arm/pe.h: Fix compile time warnings.
6677 * config/arm/aout.h: Fix compile time warnings.
6679 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6681 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6684 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6685 Add support for subtargets.
6686 Add prototypes for new predicates.
6687 Add scheduling macros.
6689 * config/m32r/m32r.c: Fix compile time warnings.
6690 (int8_operand): New predicate function.
6691 (reg_or_cmp_int16_operand): New predicate function.
6692 (extend_operand): New predicate function.
6693 (m32r_adjust_code): New scheduling function.
6694 (m32r_adjust_priorty): New scheduling function.
6695 (m32r_sched_init): New scheduling function.
6696 (m32r_sched_reorder): New scheduling function.
6697 (m32r_sched_variable_issue): New scheduling function.
6698 (direct_return): New codegen function.
6699 (m32r_not_same_reg): New rtl testsing function.
6701 * config/m32r/m32r.md: Fix compile time warnings.
6702 Add support for pre decrement and post increment memory
6707 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6709 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6710 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6711 (find_reg): Likewise.
6713 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6715 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6716 to avoid assembler errors.
6718 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6720 * config/v850/v850-protos.h: New file: Prototypes for functions
6722 * config/v850/v850.h: Move prototypes to v850-protos.h
6723 * config/v850/v850.c: Move prototypes to v850-protos.h
6724 * config/v850/v850.md: Fix compile time warnings.
6726 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6728 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6729 * config/fr30/fr30.c: Fix compile time warnings.
6730 * config/fr30/fr30.md: Fix compile time warnings.
6732 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6734 * tree.h (get_containing_scope): Declare it.
6735 * tree.c (get_containing_scope): New fucntion.
6736 (decl_function_context): Use it.
6737 * toplev.c (rest_of_compilation): Use get_containing_scope.
6739 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6741 * Makefile.in (rtl.o): Depend on toplev.h.
6743 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6745 * cse.c (delete_trivially_dead_insns): Replace alloca with
6747 * except.c (update_rethrow_references): Likewise.
6748 (init_eh_nesting_info): Likewise.
6749 * function.c (identify_blocks): Likewise.
6750 * gcse.c (dump_hash_table): Likewise.
6751 * graph.c (print_rtl_graph_with_bb): Likewise.
6752 * loop.c (combine_movables): Likewise.
6753 (move_movables): Likewise.
6754 (count_loop_regs_set): Likewise.
6755 (strength_reduce): Likewise.
6756 * profile.c (compute_branch_probabilities): New function, split
6758 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6759 * regclass.c (regclass): Likewise.
6760 * regmove.c (regmove_optimize): Likewise.
6761 * toplev.c (compile_file): Likewise.
6762 (main): Don't mess with the stack rlimit.
6764 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6766 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6767 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6769 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6771 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6773 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6775 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6776 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6779 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6781 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6783 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6785 * gcse.c (post_dominators): Kill.
6786 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6787 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6788 pass in a pdom array since we do not need pdoms.
6789 * haifa-sched.c (schedule_insns): Similarly.
6790 * flow.c (compute_dominators): Remove dead function.
6791 (compute_flow_dominators): Do not compute doms or pdoms if the
6792 caller does not request them. Split up loop to build doms and
6793 pdoms. Use a worklist to compute doms and pdoms.
6794 * basic-block.h (compute_dominators): Remove prototype.
6796 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6798 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6799 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6800 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6801 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6802 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6803 (schedule_region): Remove unused variable.
6804 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6806 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6808 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6809 (update_equiv_regs): Likewise.
6810 (block_alloc): Likewise.
6811 * reg-stack.c (reg_to_stack): Likewise.
6812 (convert_regs_2): Likewise.
6813 * reload1.c (reload_as_needed): Likewise.
6815 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6817 * Makefile.in (dbxout.o): Depend on ggc.h.
6818 (dwarf2out.o): Likewise.
6819 (xcoffout.o): Likewise.
6820 * dbxout.c: Include ggc.h.
6821 (dbxout_init): Register lastfile as a root.
6822 * dwarf2out.c: Include ggc.h.
6823 (dwarf2out_line): Register lastfile as a root.
6824 * xcoffout.c: Include ggc.h.
6825 (xcoffout_source_line): Register xcoff_lastfile as a root.
6827 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6829 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6831 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6833 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6835 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6837 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6839 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6840 (EXECUTE_IF_CONFLICT): Likewise.
6841 (ALLOCNO_LIVE_P): Avoid signed division.
6842 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6843 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6844 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6846 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6848 * haifa-sched.c (schedule_block): Don't crash if there's no
6849 next insn for an interblock movement.
6850 (add_branch_dependences): Don't allow clobber insns to move either.
6852 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6854 * i386.c (split_xf): New.
6855 * i386-protos.h: Declare it.
6856 * i386.md (movxf_1): Add general regs alternatives.
6857 (movxf_1+1): New splitter for same.
6859 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6861 * function.c (purge_addressof_1): Add missing return values.
6863 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6865 * function.c (is_addressof): New function. Returns true if
6866 the given piece of RTL is an ADDRESSOF.
6867 (purge_addressof_1): Make boolean. Return false if the
6868 ADDRESSOFs could not be purged.
6869 (purge_addressof): If ADDRESSOFs could not be purged from the
6870 notes attached to an insn, remove the offending note(s),
6871 unless they are attached to a libcall.
6873 1999-11-05 Andreas Jaeger <aj@suse.de>
6875 * genoutput.c (null_operand =): Initialize all fields.
6877 * errors.h: Add extern to prototypes.
6879 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6881 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6882 * configure: Rebuilt.
6884 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6886 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6887 (mirror_conflicts): New function.
6888 (global_alloc): Call it.
6889 (expand_preferences): Remove redundant CONFLICTP test.
6890 (find_reg, dump_conflicts): Likewise.
6891 (prune_preferences): Process conflicts one word at a time.
6893 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6895 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6896 instead of an explicit loop.
6898 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6900 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6901 if REG_RETVAL check succeeds, then put classp in src_elt.
6903 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6905 * function.c (pad_to_arg_alignment): Only update argument_pad
6906 if the argument's alignment is greater than STACK_BOUNDARY.
6908 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6910 * bitmap.h (BITMAP_XFREE): New.
6911 * flow.c (life_analysis): Use it.
6912 (life_analysis_1): Free blocks.
6914 * combine.c (undo_commit): New.
6915 (try_combine): Use it. Don't zap undobuf.undos.
6916 (combine_instructions): Don't zap undobuf.undos; free the
6919 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6921 * stmt.c (cost_table_): New.
6922 (estimate_case_costs): Use it instead of xmalloc.
6924 * toplev.c (compile_file): Reuse dumpname memory instead
6927 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6929 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6930 after verifying an EH edge.
6932 * haifa-sched.c (init_rgn_data_dependences): Correctly
6933 size bb_pending_lists_length when zeroing.
6935 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6937 * function.c (diddle_return_value): New.
6938 (expand_function_end): Use it.
6939 * stmt.c (expand_null_return): Likewise.
6940 (expand_value_return): Likewise.
6942 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6944 * reload1.c (reload): Don't remove return value clobbers.
6946 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6948 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6950 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6952 * cse.c (cse_main): Use xmalloc, not alloca.
6953 (cse_basic_block): Likewise.
6954 * local-alloc.c (local_alloc): Likewise.
6956 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6957 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6959 * rtl.c: Include toplev.h.
6960 (fatal): Remove declaration.
6962 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6964 * haifa-sched.c (schedule_block): Fix thinko.
6966 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6968 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6969 S_IR* defined values
6971 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6973 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6974 call `malloc' instead.
6976 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6978 * flags.h (flag_renumber_insns): Declare.
6979 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6981 * rtl.h (renumber_insns): Change prototype.
6982 * toplev.c (flag_renumber_insns): Define.
6983 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6985 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6987 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6988 and fpsqrtd. Use them and create fdiv function unit to more
6989 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6990 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6992 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6994 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6996 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6997 insn into ready list, do not use just a raw swap.
6999 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
7001 * rtl.h (renumber_insns): New function.
7002 (remove_unnecessary_notes): Likewise.
7003 * emit-rtl.c (renumber_insns): Define.
7004 (remove_unncessary_notes): Likewise.
7005 * toplev.c (rest_of_compilation): Remove dead code.
7006 Use renumber_insns and remove_unncessary_notes.
7008 * gcse.c (struct null_pointer_info): New type.
7009 (get_bitmap_width): New function.
7010 (current_block): Remove.
7011 (nonnull_local): Likewise.
7012 (nonnull_killed): Likewise.
7013 (invalidate_nonnull_info): Take a null_pointer_info as input.
7014 (delete_null_pointer_checks_1): New function.
7015 (delete_null_pointer_checks): Use it.
7017 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7018 (split_edges): Likewise.
7019 (schedule_block): Likewise.
7020 (compute_block_backward_dependencies): Likewise.
7021 (schedule_region): Likewise.
7022 (schedule_insns): Likewise.
7024 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7026 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7027 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7028 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7029 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7030 * jump.c (delete_unreferenced_labels): Don't delete if
7031 LABEL_ALTERNATE_NAME is set.
7032 * print-rtl.c (print_rtx): Dump alternate name.
7033 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7034 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7035 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7036 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7038 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7040 * fix-header.c (recognized_extern, recognized_function): Constify
7043 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7044 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7045 (compute_available): Remove unused variable `last'.
7046 (compute_nearerout): Remove unused variable `temp_bitmap'.
7047 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7048 Remove unused variable `x'.
7050 * scan.h (recognized_function, recognized_extern): Constify a
7053 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7055 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7057 * varasm.c (decode_rtx_const): Use XSTR to access the string
7060 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7062 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7064 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7066 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7068 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7070 * pa.c (ireg_operand): New function.
7071 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7072 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7073 Fix out of date comment.
7075 * pa.md (negdi2): Turn into expander + anonymous pattern.
7077 * reload.c (find_reloads): Fix typos in recent change.
7079 * dwarf2out.c: Do not include ctype.h.
7081 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7083 * regclass.c (record_reg_classes): Always use may_move_cost when
7084 seeing how operand fits with various register classes.
7086 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7088 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7089 * toplev.c: Revert Nov 1 13:22 change.
7091 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7093 * config/pa/pa.md (height reduction patterns): Add checks for
7094 overlapping operands to avoid semantic-destroying splits for
7095 height reduction patterns.
7097 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7099 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7100 have been an hyphen, fixed.
7101 * configure: Rebuilt.
7103 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7105 * config/arm/tpe.h: Add prototypes for exported functions.
7106 * config/arm/pe.c: Fix compile time warnings.
7107 * config/arm/semi.h: Fix compile time warnings.
7108 * config/arm/arm.c: Fix compile time warnings.
7109 * config/arm/arm.h: Fix compile time warnings.
7110 * config/arm/arm.md: Fix compile time warnings.
7111 * config/arm/thumb.c: Fix compile time warnings.
7112 * config/arm/thumb.h: Fix compile time warnings.
7113 * config/arm/thumb.md: Fix compile time warnings.
7115 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7117 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7120 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7121 completely unrolled.
7123 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7125 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7127 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7129 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7130 * rtl.h (rtx_equal_p): Move prototype.
7131 * rtl.c (rtx_equal_function_value_matters): Move from
7133 (rtx_equal_p): Likewise.
7134 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7135 (rtx_equal_p): Likewise.
7137 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7139 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7142 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7144 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7146 * pa.h (ADDR_VEC_ALIGN): Define.
7148 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7149 notes when presented with "if (foo) break; end_of_loop" and
7150 the break sequence gets moved out of the loop.
7152 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7153 Remove explicit zero initializations of entries within MAP.
7155 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7157 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7159 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7161 * bitmap.h (BITMAP_XMALLOC): New macro.
7162 * flow.c (CLEAN_ALLOCA): Remove.
7163 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7164 (life_analysis): Likewise.
7165 (update_life_info): Don't use CLEAN_ALLOCA.
7166 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7167 (calculate_global_regs_live): Likewise.
7168 (print_rtl_with_bb): Likewise.
7169 (verify_flow_info): Likewise.
7170 * global.c (global_alloc): Likewise.
7171 (global_conflicts): Likewise.
7172 * integrate.c (save_for_inline_nocopy): Likewise.
7173 (expand_inline_function): Likewise.
7174 * jump.c (jump_optimize_1): Likewise.
7175 (duplicate_loop_exit_test): Likewise.
7176 (thread_jumps): Likewise.
7177 * loop.c (loop_optimize): Likewise.
7178 (combine_givs): Likewise.
7179 (recombine_givs): Likewise.
7180 * reorg.c (dbr_schedule): Likewise.
7181 * unroll.c (unroll_loop): Likewise.
7183 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7185 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7187 * toplev.c (rest_of_compilation): Don't optimize the CFG
7188 when rebuilding, just before dbr.
7190 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7192 * output.h (assemble_end_function, assemble_destructor,
7193 assemble_constructor, assemble_gc_entry, assemble_global,
7194 assemble_label, output_constant_pool) Constify a char*.
7196 * varasm.c (assemble_destructor, assemble_constructor,
7197 assemble_gc_entry, assemble_end_function, assemble_global,
7198 assemble_label, output_constant_pool): Likewise.
7200 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7202 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7203 explaining what is goin on in this function.
7205 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7207 * regclass.c (record_reg_classes): In matching case, recompute
7208 costs since the direction of movement is different.
7210 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7212 * resource.c (mark_target_live_regs): For unconditional branches,
7213 the resources found at the branch target should be added to the
7214 resources found so far, not intersected.
7216 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7218 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7220 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7221 (sys/mman.h): Include this file only if #HAVE_MMAP.
7222 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7223 with automatically concatenated ANSI strings.
7225 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7227 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7228 (DIV_ROUND_UP): Robustify.
7229 (ggc_recalculate_in_use_p): New function.
7230 (release_pages): Don't inline it.
7231 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7233 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7234 (clear_marks): Always save in_use_p.
7235 (sweep_pages): Use ggc_recalculate_in_use_p.
7236 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7237 Release pages before counting statistics.
7239 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7241 * toplev.c (rest_of_compilation): Fix thinko in this change:
7243 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7245 (rest_of_compilation): If inside an inlined external function,
7246 pretend we are just being declared.
7248 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7250 * flow.c (calculate_global_regs_live): Fix thinko.
7252 * integrate.c (expand_inline_function): Fix bugs in previous
7253 change from Oct 28, 1999.
7255 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7257 * stmt.c (expand_value_return): Fix typo in this change:
7259 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7260 (expand_value_return): Correctly convert VAL when promoting function
7261 return; support RETURN_REG being a PARALLEL.
7263 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7265 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7267 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7269 * hard-reg-set.h (reg_names): Constify a char*.
7271 * regclass.c (reg_names): Likewise.
7273 * regs.h (reg_names): Likewise
7275 * a29k/a29k.c (reg_names): Delete declaration.
7277 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7279 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7280 arc_output_function_epilogue): Likewise.
7282 * elxsi/elxsi.c (reg_names): Likewise.
7284 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7286 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7289 * m88k/m88k.c (output_function_profiler): Likewise.
7291 * sparc/sparc.c (sparc_flat_output_function_prologue,
7292 sparc_flat_output_function_epilogue): Likewise.
7294 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7296 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7297 warning from -Wuninitialized and put it under -W.
7298 * function.c (uninitialized_vars_warning): Warn only when the
7299 corresponding flag is set.
7301 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7303 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7304 is nonzero and the single set does not have an elt, then assign
7307 * simplify-rtx.c: New file.
7308 * Makefile.in (OBJS): Add simplify-rtx.o
7309 (simplify-rtx.o): Add dependencies.
7310 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7311 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7312 (cse_gen_binary, simplify_unary_operation): Delete.
7313 (simplify_binary_operation, simplify_plus_minus): Likewise.
7314 (check_fold_consts, simplify_relation_operation): Likewise.
7315 (simplify_ternary_operation): Likewise.
7316 (delete_trivially_dead_insns): Simplify the contents of the
7317 REG_EQUAL note before trying to substitute it into the source
7318 of the reg-reg copy at the end of a libcall sequence.
7320 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7321 references/callers changed.
7323 * mn10200.c (mn10200_va_arg): Force the return value into a
7326 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7328 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7331 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7333 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7335 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7337 * fold-const.c (fold): Fix thinko when optimizing comparisons
7340 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7342 * gcc.texi (Passes): Update front-end files to their current
7345 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7347 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7348 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7349 (PREDICATE_CODES): Add addition_operation.
7350 * alpha-protos.h (addition_operation): Declare.
7351 (secondary_reload_class): Likewise.
7352 * alpha.c (addition_operation): New.
7353 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7354 * alpha.md (adddi3): Turn into expander.
7355 (*lda, *adddi_2): New.
7356 (movsf, movdf patterns): Don't preference integer regs.
7357 (movsi, movdi patterns): Don't preference fp regs.
7359 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7361 * genrecog.c (write_switch): Check for duplicate CODE cases.
7363 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7365 * ggc-common.c: Update pre-function commentary.
7366 * ggc-page.c: Likewise.
7368 (poison_pages): Use memset directly.
7369 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7370 (ggc_collect): Poison before sweeping.
7371 * ggc-simple.c: Update pre-function commentary.
7372 (ggc_alloc_obj): Poison non-zeroed memory.
7374 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7376 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7377 match format string, even on 64-bit hosts.
7378 * gcc-page.c (ggc_page_print_statistics): Likewise.
7380 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7382 * config/i386/i386.c (ix86_cpu): Revert last patch.
7383 * config/i386/i386.h (ix86_cpu): Ditto.
7385 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7387 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7388 TYPE_SIZE, convert type of result to sizetype.
7390 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7392 * flow.c (count_or_remove_death_notes): Equate NULL with the
7395 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7396 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7399 * i386.c (pic_label_no): Delete.
7400 (ix86_attr_length_default): Don't use single_set to peek
7403 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7404 the first insn after bb->end.
7405 * i386.md (push mem peeps): Scratch is live after evaluation
7407 (cmp mem peep): Similarly.
7409 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7411 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7412 * function.c (pad_to_arg_alignment): Add missing braces.
7414 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7416 * alpha/alpha-protos.h (literal_section): Add prototype.
7417 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7420 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7422 (alpha_start_function, alpha_end_function, float_strings,
7423 alpha_need_linkage): Constify a char*
7425 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7427 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7429 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7431 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7433 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7435 * flow.c (debug_flow_info): Add prototype.
7437 * gcc.c (main): Likewise.
7439 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7442 * reload1.c (failed_reload, set_reload_reg): Likewise.
7444 * mips-tfile.c (main): Likewise.
7445 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7446 with ATTRIBUTE_NORETURN.
7448 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7450 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7451 DECL is not a memory ref.
7453 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7455 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7456 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7458 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7460 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7461 * config/mips/elf64.h: ditto.
7463 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7465 * expr.c (emit_push_insn): New argument alignment_pad.
7466 Update all callers. Adjust stack pointer based on alignment pad.
7467 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7468 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7469 (locate_and_pad_parm): New argument alignment_pad. Update all
7471 * expr.h (emit_push_insn): Update prototype.
7472 (locate_and_pad_parm): Update prototype.
7473 * calls.c (arg_data): Add new field alignment_pad.
7474 (initialize_argument_information): Initialize alignment_pad.
7476 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7478 * except.c (free_eh_nesting_info): Free the info itself.
7479 * function.c (free_after_compilation): Don't free NULL.
7480 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7481 (pre_edge_insert): Free inserted.
7482 * stmt.c (free_stmt_status): Don't free NULL.
7484 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7486 * gcov.c (DIR_SEPARATOR): Provide default.
7487 (output_data): Add test for MS-DOS format absolute filename.
7488 (fancy_abort): Correct program name.
7489 (open_files): Open all files in binary mode.
7490 * libgcc2.c (__bb_exit_func): Likewise.
7492 * profile.c (init_branch_prob): Specify binary when opening files.
7494 * flags.h (flag_unwind_tables): New decl.
7495 * toplev.c (flag_unwind_table): New definition.
7496 (f_options): Add -funwind-tables.
7497 (decode_g_option): Clarify warning when unknown -g option is given.
7498 (rest_of_compilation): If inside an inlined external function,
7499 pretend we are just being declared.
7501 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7502 (dwarf2out_frame_finish): Likewise.
7504 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7506 * fold-const.c (merge_ranges): If not in0, but in1, handle
7507 upper bounds equal like subset case.
7509 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7511 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7512 passed in a register but moved to the stack.
7514 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7516 * gcc.c (pass_exit_codes, greatest_status): New variables.
7517 (struct option_map): Add entry for "--pass-exit-codes".
7518 (execute): Update greatest_status if error.
7519 (display_help): Add documentation for -pass-exit-codes.
7520 (process_command): Handle -pass-exit-codes.
7521 (main): Look at pass_exit_codes and greatest_status on call to exit.
7523 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7525 * reload.c (find_reloads): Refine test for no input reload
7526 case to not includes reloads emitted after insn.
7528 * function.c (find_temp_slots_from_address): Handle sum involving
7529 a register that points to a temp slot.
7530 (update_temp_slot_address): Make recursive call if both old and
7531 new are PLUS with a common operand.
7532 * calls.c (expand_call): Mark temp slot for result as having
7535 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7537 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7538 component as well as "BINUTILS".
7540 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7541 * integrate.c (copy_rtx_and_substitute): Likewise.
7542 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7543 All callers changed.
7544 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7546 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7547 gdb extensions, write size of type; also be more consistent
7548 in using references when this is a subtype.
7550 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7551 that is out of range.
7553 * loop.c (unknown_constant_address_altered): New variable.
7554 (prescan_loop): Initialize it.
7555 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7556 (invariant_p, case MEM): Remove handling for volatile and readonly;
7557 check new variable if readonly.
7558 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7560 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7561 (addr_affects_sp_p): Removed from note_mem_written and only
7562 define #ifdef AUTO_INC_DEC.
7564 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7566 * regclass.c (record_reg_classes): Properly handle register move
7569 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7570 Don't think valid if both operands are invalid.
7571 (struct constant_descriptor): New field RTL.
7572 (mark_const_hash_entry): Mark it.
7573 (record_constant{,_rtx}): Initialize it.
7574 (output_constant_def): Allocate RTL in permanent obstack and
7576 ({record,compare}_constant_1): Modes must match for
7577 CONSTRUCTOR of ARRAY_TYPE.
7579 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7580 * output.h (initializer_constant_valid_p): Move decl to here.
7581 * c-common.c (initializer_constant_valid_p): Delete function from here.
7582 * varasm.c (initializer_constant_valid_p): Move function to here.
7584 * tree.h (STRIP_SIGN_NOPS): New macro.
7585 * fold-const.c (optimize_minmax_comparison): New function.
7586 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7587 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7588 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7589 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7590 widening conversions.
7591 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7592 to look at size of mode, not precision of type; also add missing cases.
7593 (optimize_bit_field_compare, decode_field_reference): Don't try to
7594 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7596 * dwarf2out.c (ctype.h): Include.
7597 (dwarf2out_set_demangle_name_func): New function.
7598 (size_of_line_info): Deleted.
7599 (output_line_info): Compute size of line info table from difference
7601 (base_type_die, add_name_attribute): Call demangle function, if any.
7602 (field_byte_offset): Use bits per word for variable length fields.
7603 (gen_array_type_die): Add array name.
7604 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7605 (dwarf2out_add_library_unit_info): New function.
7607 * explow.c (set_stack_check_libfunc): New function.
7608 (stack_check_libfunc): New static variable.
7609 (probe_stack_range): Allow front-end to set up a libfunc to call.
7611 * combine.c (simplify_comparison): When making comparison in wider
7612 mode, check for having commuted an AND and a SUBREG.
7613 (contains_muldiv): New function.
7614 (try_combine): Call it when dividing a PARALLEL.
7615 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7616 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7618 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7619 use one of the CLOBBERs instead.
7620 (if_then_else_cond): If comparing against zero, just return thing
7623 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7624 Don't generate shifts and subtract if have conditional arithmetic.
7626 * rtl.h (delete_barrier): New declaration.
7627 * jump.c (jump_optimize): Set up to handle conditional call.
7628 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7629 (delete_barrier): New function.
7631 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7633 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7635 * tree.c (build_type_attribute_variant): Push to obstack of
7636 ttype around type_hash_canon call.
7638 * expr.c (placeholder_list): Move decl to file scope.
7639 (expand_expr): Don't force access to volatile just because its
7641 If ignoring reference operations, just expand the operands.
7642 (expand_expr, case COMPONENT_REF): Propagate
7643 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7644 Refine test for using bitfield operations vs pointer punning.
7645 (expand_expr, case CONVERT_EXPR): If converting to
7646 BLKmode UNION_TYPE from BLKmode, just return inner object.
7647 Use proper mode in store_field call.
7648 Properly set sizes of object to store and total size in store_field
7649 call for convert to union.
7650 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7651 memory (like for ADDR_EXPR). Also, don't put constant in register if
7652 we'll want it in memory.
7653 (readonly_fields_p): New function.
7654 (expand_expr, case INDIRECT_REF): Call it if LHS.
7655 (expand_assignment): Handle a RESULT_DECL where
7656 DECL_RTL is a PARALLEL.
7657 (do_jump, case WITH_RECORD_EXPR): New case.
7658 (get_inner_reference): Always go inside a CONVERT_EXPR
7659 and NOP_EXPR if both modes are the same.
7660 (store_field): Use bitfield operations if size of bitsize is not same
7661 as size of RHS's type.
7662 Check for bitpos not a multiple of alignment in BLKmode case.
7663 Do block move in largest possible alignment.
7664 (store_constructor): Set BITSIZE to -1 for variable size and properly
7665 in case of array of BLKmode.
7666 (expand_expr_unaligned): New function.
7667 (do_compare_and_jump): Call it.
7669 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7670 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7671 does not include 'o'.
7673 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7674 both SET_DEST and SET_SRC reference a virtual register.
7675 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7677 * integrate.c (expand_inline_function): Handle case of setting
7678 virtual stack vars register (from built in setjmp); when parameter
7679 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7680 (subst_constant): Add new parm, MEMONLY.
7681 (expand_inline_function, integrate_parm_decls): Pass new parm.
7682 (integrate_decl_tree): Likewise.
7683 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7684 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7685 (copy_rtx_and_substitute, case SET): Add explicit calls to
7686 copy_rtx_and_substitute for both sides.
7688 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7690 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7691 within INDEX_TYPE, instead of before.
7692 (fixup_gotos): Use f->target_rtl, not the next insn,
7693 since latter may be from a later fixup.
7694 (expand_value_return): Correctly convert VAL when promoting function
7695 return; support RETURN_REG being a PARALLEL.
7696 (expand_return): When checking for result in regs and having
7697 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7699 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7701 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7702 last_nominal_fname): Mark const.
7703 (struct include_hash: name, nshort, control_macro): Mark
7705 (struct macrodef: symnam): Mark const.
7706 (struct if_stack: fname): Mark const.
7707 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7708 (IStable): New character-syntax array which encompasses all
7709 the old is_foo arrays.
7710 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7711 is_space): New macros for interrogating IStable.
7712 (check_macro_name): Kill last argument. All callers changed.
7714 * cppinit.c (initialize_char_syntax): Delete.
7715 (is_idchar, is_idstart, is_hor_space, is_space,
7716 trigraph_table): Delete.
7717 (IStable): New. Initialize with clever macros to avoid
7718 information duplication.
7719 (builtin_array): Table of builtins to get rid of explicit list
7720 in initialize_builtins.
7721 (initialize_builtins): Use builtins_array.
7722 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7723 opts->dollars_in_ident.
7725 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7727 (cpp_parse_expr): Avoid 'format string is not constant'
7728 warning. Use ISGRAPH to identify printable chars.
7729 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7731 (read_and_prescan): Map trigraphs to chars with open-coded
7732 if-else-if-... sequence, not a lookup table.
7733 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7735 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7736 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7737 (check_macro_name): Remove ability to report an invalid
7738 assertion name, which is never used.
7739 (do_line): Constify a couple of char *'s.
7740 * cppmain.c (main): Call cpp_cleanup before returning.
7742 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7744 * ggc.h (struct ggc_statistics): New type.
7745 (ggc_get_size): New function.
7746 (ggc_print_statistics): Likewise.
7747 * ggc-common.c (ggc_stats): New variable.
7748 (ggc_mark_rtx_children): Keep statistics.
7749 (ggc_mark_tree_children): Likewise.
7750 (ggc_print_statistics): New function.
7751 * ggc-page.c (struct globals): Add bytes_mapped field.
7752 (alloc_anon): Update it.
7753 (release_pages): Likewise.
7754 (ggc_get_size): New function.
7755 (ggc_page_print_statistics): New function.
7756 * ggc-simple.c (ggc_get_size): New function.
7758 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7760 * flow.c (propagate_block): When the last reference to a label
7761 before an ADDR_VEC is deleted because the reference is a dead
7762 store, delete the ADDR_VEC.
7764 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7766 * resource.c (find_free_register): Don't use the frame pointer
7767 if frame_pointer_needed.
7769 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7771 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7772 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7774 * config/i960/i960.c (i960_va_start): New locals base, num.
7775 Use INDIRECT_REF instead of ARRAY_REF on valist.
7776 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7778 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7780 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7782 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7784 * tree.def (PLACEHOLDER_EXPR): Update comments.
7786 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7788 * c-common.c (check_format_info): Avoid non-literal format string
7789 warnings when `first_arg_num' is zero.
7791 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7793 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7795 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7797 * arm.md (casesi_insn): Add a clobber of the condition code
7800 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7802 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7803 used by both cc1 and cc1plus.
7805 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7807 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7808 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7809 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7810 to the value 32 if it has not already been defined.
7811 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7812 Override definition in arm.h with a value of 8.
7814 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7816 * c-pragma.c (push_alignment): Don't check the return value
7819 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7821 * sparc.h (ADJUST_COST): Fix thinko.
7823 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7825 * cccp.c (rescan): Fixed obp pointer handling around call to
7826 check_expand subroutine.
7828 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7830 * gcse.c (delete_null_pointer_checks): Only record non-null info
7831 for pseudos when examining stores.
7833 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7834 splitters for these patterns. Use "#" for output templates.
7835 (addsi3_carryin_shift): New pattern.
7837 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7839 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7840 of the function return register into a plain REG until
7841 after function inlining is done.
7843 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7845 * jump.c (jump_optimize_1): If we did cross-jumping, and
7846 the data will matter, rebuild the CFG.
7847 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7848 not optimizing. Don't run shorten_branches.
7849 * toplev.c (rest_of_compilation): Run shorten_branches after
7852 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7854 * rtl.h (note_stores): Add additional paramter.
7855 * rtlanal.c (reg_set_p_1): Take additional paramter.
7856 (reg_set_last_1): Likewise.
7857 (reg_set_p): Adjust call to note_stores.
7858 (reg_set_last): Likewise.
7859 (note_stores): Pass data parameter to worker function.
7860 * alias.c (record_set): Take additional parameter.
7861 (init_alias_analysis): Pass it.
7862 * caller-save.c (mark_set_regs): Take additional parameter.
7863 (save_call_clobbered_regs): Pass NULL to note_stores.
7864 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7866 (record_dead_and_set_regs_1): Likewise.
7867 (reg_dead_at_p_1): Likewise.
7868 (combine_instructions): Adjust calls to note_stores.
7869 (try_combine): Likewise.
7870 (record_dead_insn): Remove.
7871 (record_dead_and_set_regs): Adjust calls to note_stores.
7872 (reg_dead_at_p): Likewise.
7873 * cse.c (invalidate_skipped_set): Take additional parameter.
7874 (cse_check_loop_start): Likewise.
7875 (cse_check_loop_start_value): Remove.
7876 (cse_set_around_loop): Adjust calls to note_stores.
7877 * flow.c (notice_stack_pointer_modification): Take additional
7878 parameter. Remove duplicate declaration.
7879 (record_volatile_insns): Adjust calls to note_stores.
7880 * gcse.c (record_set_info): Take additional parameter.
7881 (record_last_set_info): Likewise.
7882 (invalidate_nonnull_info): Likewise.
7883 (record_set_insn): Remove.
7884 (compute_sets): Adjust calls to note_stores.
7885 (last_set_insn): Remove.
7886 (compute_hash_table): Adjust calls to note_stores.
7887 (insert_insn_end_bb): Likewise.
7888 (delete_null_pointer_checks): Likewise.
7889 * global.c (mark_reg_store): Take additional parameter.
7890 (mark_reg_clobber): Likewise.
7891 (reg_becomes_live): Likewise.
7892 (global_conflicts): Adjust calls to note_stores.
7893 (build_insn_chain): Likewise.
7894 * integrate.c (note_modified_parmregs): Take additional parameter.
7895 (mark_stores): Likewise. Make it static.
7896 (save_for_inline_nocopy): Adjust calls to note_stores.
7897 (try_constants): Likewise.
7898 * integrate.h (mark_stores): Remove declaration.
7899 * jump.c (mark_modified_reg): Take additional parameter.
7900 (thread_jumps): Adjust calls to note_stores.
7901 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7903 (no_equiv): Likewise.
7904 (reg_is_set): Likewise.
7905 (validate_equiv_mem): Adjust calls to note_stores.
7906 (update_equiv_regs): Likewise.
7907 (block_alloc): Likewise.
7908 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7909 (note_addr_stored): Take additional parameter.
7910 (note_set_pseudo_multiple_uses): Likewise.
7911 (record_initial): Likewise.
7912 (prescan_loop): Adjust calls to note_stores.
7913 (strength_reduce): Likewise.
7914 (check_dbra_loop): Likewise.
7915 * regmove.c (flags_set_1): Take additional paramter.
7916 (mark_flags_life_zones): Adjust calls to note_stores.
7917 * reload1.c (mark_not_eliminable): Take additional parameter.
7918 (forget_old_reloads_1): Likewise.
7919 (reload_cse_invalidate_rtx): Likewise.
7920 (reload_cse_check_clobber): Likewise.
7921 (reload_combine_note_store): Likewise.
7922 (move2add_note_store): Likewise.
7923 (reload): Adjust calls to note_stores.
7924 (reload_as_needed): Likewise.
7925 (emit_reload_insns): Likewise.
7926 (reload_cse_regs_1): Likewise.
7927 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7928 (reload_combine): Adjust calls to note_stores.
7929 * resource.c (update_live_status): Take additional paramter.
7930 (mark_target_live_regs): Adjust calls to note_stores.
7931 * stupid.c (find_clobbered_regs): Take additional parameter.
7932 (stupid_life_analysis): Adjust calls to note_stores.
7934 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7936 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7939 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7942 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7943 of the variable arm_structure_size_boundary.
7945 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7947 * alias.c (init_alias_analysis): Allocate reg_known_value and
7948 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7950 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7951 * cse.c (cse_main): Call end_alias_analysis.
7952 * haifa-sched.c (schedule_insns): Likewise.
7953 * local-alloc. (update_equiv_regs): Likewise.
7954 * reload1.c (reload_cse_regs): Likewise.
7956 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7958 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7959 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7960 mapping from MASK_FPU.
7962 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7964 * sparc.md (call): Don't bound structure return size to 0xfff.
7966 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7968 * resource.c (mark_target_live_regs): Check that the target
7969 insn wasn't created after compute_bb_for_insn.
7971 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7973 * ggc-page.c (poison_pages): Don't be overzealous.
7975 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7977 * alias.c: Update comments for ADDRESS.
7978 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7979 it is a local memory reference.
7981 * c-typeck.c (build_function_call): Check that the built-in
7982 function is of class BUILT_IN_NORMAL before trying to recongize
7984 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7985 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7987 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7989 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7991 (pre_gcse): Likewise.
7992 (hoist_expr_reaches_here_p): Likewise.
7993 (hoist_code): Likewise.
7994 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7996 (pre_expr_reaches_here_p_work): ... here.
7997 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7999 (expr_reaches_here_p_work): ... here.
8001 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
8003 * resource.c (find_basic_block): Delete.
8004 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
8005 (init_resource_info): Call compute_bb_for_insn.
8007 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8009 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8010 with already adjacent blocks, but no fallthru.
8011 (merge_blocks_move_successor_nojumps): Simplify.
8012 (debug_flow_info): New.
8014 * toplev.c (rest_of_compilation): Open jump1 dump file before
8015 jump and close after, as opposed to just using dump_rtl.
8017 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8019 * reload.h (earlyclobber_operand_p): Declare.
8020 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8021 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8022 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8023 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8025 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8026 Richard Henderson <rth@cygnus.com>
8028 * emit-rtl.c (emit_block_insn_before): New.
8029 (emit_block_insn_after): New.
8030 * basic-block.h: Declare them.
8032 * bitmap.h: Protect from multiple inclusion.
8034 * recog.c (scratch_operand): Handle VOIDmode correctly.
8036 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8038 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8039 * function.c (assign_parms): Likewise.
8040 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8042 * reg-stack.c (max_uid): Remove.
8043 (blocks, block_begin, block_end, block_drops_in): Remove.
8044 (block_stack_in, block_out_reg_set, block_number): Remove.
8045 (struct block_info_def, BLOCK_INFO): New.
8046 (enum emit_where): New.
8047 (current_block): New.
8048 (BLOCK_NUM): Remove.
8049 (mark_regs_pat, record_label_references): Remove.
8050 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8052 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8053 (reg_to_stack): Simplified test for existance of fp code. Use
8054 flow.c code. Call shorten_branches after cross-jump opt.
8055 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8056 Return false if the asm doesn't use stack regs. Don't do life
8057 analysis on the asm.
8058 (emit_pop_insn): Replace function pointer arg `when' with
8059 enum `where'. Update all callers.
8060 (change_stack): Likewise. Update basic block end.
8061 (emit_swap_insn): Use current_block->head to limit reverse search
8062 for start of block. Use emit_block_insn_after.
8063 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8064 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8065 structure assignment instead of bcopy.
8067 (convert_regs_entry, convert_regs_exit): New.
8068 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8069 Work on basic blocks and the CFG.
8070 (convert_regs): Use them.
8072 * i386.c (output_fix_trunc): Remove code for DImode input operand
8073 not at top-of-stack.
8074 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8076 (fix_truncdi_1): Allow any mode scratch.
8078 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8080 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8081 * linux.h, netbsd.h, vms.h: Not here.
8083 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8085 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8086 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8087 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8088 CONDITIONAL_REGISTER_USEAGE): Use them.
8089 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8090 gen_conditional_branch,override_options) : Use them.
8091 * config/mips/mips.md : Use them.
8093 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8095 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8097 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8099 * integrate.c (function_cannot_inline_p): Don't allow inlining
8102 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8104 * c-parse.in (cast_expr): Constify.
8106 * cccp.c (special_symbol): Likewise.
8108 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8110 * dwarf2out.c (base_type_die): Likewise.
8112 * global.c (allocno_compare): Likewise.
8114 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8116 * regclass.c (fix_register): Likewise.
8118 * rtl.h (fix_register): Likewise.
8120 * stupid.c (stupid_reg_compare): Likewise.
8122 * toplev.c (decode_f_option): Likewise.
8124 * tree.c (build_complex_type): Likewise.
8126 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8128 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8130 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8132 * reload.c (find_reloads): Compute mode and nregs fields of all
8134 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8135 (calculate_needs): Use precomputed mode/nregs values.
8136 (allocate_reload_reg): Likewise.
8138 (failed_reload, set_reload_reg): ... new functions.
8139 (choose_reload_regs_init): New function, mostly broken out from...
8140 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8141 Also lose one #if 0 block.
8143 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8145 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8148 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8150 * tree.h (BLOCK_TYPE_TAGS): Remove.
8151 (BLOCK_END_NOTE): Likewise.
8152 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8153 (BLOCK_LIVE_RANGE_START): Likewise.
8154 (BLOCK_LIVE_RANGE_END): Likewise.
8155 (tree_block): Remove live_range_flag, live_range_var_flag, and
8156 type_tags. Remove end_note, live_range_start, and live_range_end.
8157 (remember_end_note): Remove prototype.
8158 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8159 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8161 * ggc-common.c (ggc_mark_tree_children): Don't mark
8162 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8163 * integrate.c (adjust_copied_decl_tree): Remove.
8164 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8165 * stmt.c (last_block_end_note): Remove.
8166 (init_stmt): Don't add a GC root for it.
8167 (expand_fixup): Don't set it.
8168 (remember_end_note): Remove.
8169 (expand_end_bindings): Don't set last_block_end_note.
8171 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8173 * reload1.c (reload_reg_free_for_value_p): Show
8174 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8177 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8179 * expmed.c (extract_bit_field): Allow for the case of non-integer
8180 objects that are smaller than a word (like SFmode on a 64-bit
8183 * loop.c (basic_induction_var): A non-integer variable which is
8184 being set by a paradoxical subreg is probably not a biv.
8186 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8188 * prefix.c (translate_name) Check for empty prefix string.
8190 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8192 * Makefile.in (CPP_CROSS_NAME): New variable.
8193 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8195 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8196 names of the files to be uninstalled.
8198 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8200 * collect2.c (IS_DIR_SEPARATOR): Define.
8201 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8203 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8206 * haifa-sched.c (add_dependence): Update the true dependency
8207 cache the first time we add a true dependence to the LOG_LINKS chain.
8209 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8211 * fold-const.c (fold): Fix comment.
8213 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8215 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8216 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8217 dbxout_start_new_source_file, dbxout_source_file,
8218 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8219 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8221 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8222 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8223 (dbxout_block): Initialize variable `blocknum'.
8225 * dbxout.h (dbxout_init, dbxout_finish,
8226 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8227 dbxout_args, dbxout_source_line): Constify a char*.
8229 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8230 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8231 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8232 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8233 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8234 src_info_attribute, mac_info_attribute, producer_attribute,
8235 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8236 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8237 dwarfout_undef): Constify a char*.
8238 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8240 * dwarfout.h (dwarfout_define, dwarfout_undef,
8241 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8243 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8245 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8246 (MULTILIB_ISA_DEFAULT): New.
8247 (MULTILIB_DEFAULTS): Use it.
8248 * config/mips/mips.c (): Remove the now unnecessary definition
8249 of MIPS_ISA_DEFAULT.
8250 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8251 unnecessary definition.
8253 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8255 * arm.md (pic_load_addr): Add constraints to operand 1.
8257 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8259 * fixinc/genfixes: Provide a means for specifying -D options to
8262 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8264 * arm.c (arm_override_options): Correct initialization of
8265 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8266 arm_is_strong, and arm_is_6_or_7.
8268 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8269 (note_set_pseudo_multiple_uses): New function.
8270 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8271 if a pseudo set in the loop exit is used elsewhere.
8273 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8275 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8277 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8279 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8280 a single load-address pattern.
8282 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8284 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8285 depending on whether or not line-number notes are present.
8287 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8289 * cccp.c (progname, file_buf, default_include, include_file,
8290 macrodef, definition, hashval, wchar_type, user_label_prefix,
8291 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8292 expand_to_temp_buffer, is_system_include, base_name,
8293 absolute_filename, read_name_map, open_include_file,
8294 record_control_macro, check_precompiled, check_preconditions,
8295 pcfinclude, pass_thru_directive, create_definition,
8296 check_macro_name, comp_def_part, collect_expansion,
8297 check_assertion, read_token_list, assertion_install,
8298 assertion_lookup, eval_if_expression, conditional_skip,
8299 validate_else, skip_quoted_string, quote_string, macarg1,
8300 error_from_errno, install, lookup, hashf, dump_defn_1,
8301 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8302 check_white_space, rescan, handle_directive, monthnames,
8303 special_symbol, do_include, remap_include_file, write_output,
8304 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8305 do_ident, do_sccs, do_xifdef, skip_if_group,
8306 output_line_directive, macroexpand, macarg, change_newlines,
8307 initialize_builtins, make_definition): Constify a char*.
8309 * pcp.h (stringdef): Likewise.
8311 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8313 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8316 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8317 Richard Henderson <rth@cygnus.com>
8319 * alias.c: Include ggc.h.
8320 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8321 (record_set): Verify enough room in reg_base_value.
8322 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8323 Register it as a GC root.
8324 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8325 * Makefile.in (alias.o): Depend on ggc.h.
8327 * unroll.c (unroll_loop): Verify the insn before a barrier
8328 is a JUMP_INSN before checking JUMP_LABEL.
8330 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8332 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8333 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8334 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8335 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8336 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8337 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8339 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8341 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8343 * alpha/alpha-interix.h (text_section): Delete prototype.
8344 * alpha/elf.h (text_section): Likewise.
8345 * arm/linux-elf.h (text_section): Likewise.
8346 * arm/linux-telf.h (text_section): Likewise.
8347 * c4x/c4x.h (text_section): Likewise.
8348 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8349 * elfos.h (text_section): Likewise.
8350 * i386/aix386ng.h (text_section): Likewise.
8351 * i386/i386-interix.h (text_section): Likewise.
8352 * i386/sco5.h (text_section): Likewise.
8353 * i386/svr3gas.h (text_section): Likewise.
8354 * nextstep.h (text_section): Likewise.
8355 * psos.h (text_section): Likewise.
8356 * ptx4.h (text_section): Likewise.
8357 * svr3.h (text_section): Likewise.
8358 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8360 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8362 * final.c (peephole): Delete prototype.
8364 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8365 (pre_insert_copies): Remove unused variable `bb'.
8367 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8370 * output.h (peephole): Add prototype.
8372 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8374 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8377 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8379 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8380 for inlined declarations.
8382 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8384 * arm.c (logical_binary_operator): New fucntion.
8385 * arm.h (logical_binary_operator): Declare it.
8386 (PREDICATE_CODES): Handle logical_binary_operator.
8387 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8388 output constraints. Add appropriate splitters.
8389 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8390 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8391 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8393 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8395 * genoutput.c (struct operand_data): New elt eliminable.
8396 (output_operand_data): Write it.
8397 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8398 (compare_operands): Take it into account.
8399 * recog.h (struct insn_operand_data): New elt eliminable.
8400 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8402 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8403 (eliminate_regs): Move code that detects changes to elimination
8404 target regs into new function elimination_effects.
8405 Delete one #if 0 block.
8406 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8407 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8408 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8409 Only call eliminate_regs for real operands of the insn, not for parts
8410 of its structure or parts matched by things like match_operator.
8411 Use elimination_effects and check_eliminable_occurrences. Use
8412 copy_insn to duplicate the pattern when not in the final pass.
8414 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8416 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8419 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8421 * fixinc/README: document the "mach" machine matching test
8422 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8423 * fixinc/fixtests.c: Implement the #else/#endif label test
8424 * fixinc/inclhack.def: utilize these tests and fixes
8425 * fixinc/inclhack.sh: regen
8426 * fixinc/fixincl.x: regen
8427 * fixinc/fixincl.sh: regen
8429 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8431 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8434 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8436 * gcc.1: Document exit codes.
8438 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8440 * calls.c: Include tm_p.h later, so everything we need is defined.
8442 * function.c: Likewise.
8444 * except.c: Include tm_p.h.
8446 * sparc.c: Likewise.
8447 (dwarf2out_cfi_label): Don't prototype.
8448 (check_return_regs, epilogue_renumber,
8449 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8450 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8451 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8452 ultra_schedule_insn): Add static prototype.
8453 (data_segment_operand, text_segment_operand): Call itself with the
8454 proper number of arguments.
8455 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8457 * sparc.h: Move all declarations to sparc-protos.h.
8458 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8461 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8463 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8465 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8466 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8467 ASM_OUTPUT_ASCII): Constify a char*.
8469 * sparc-protos.h: New file for sparc prototypes.
8471 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8473 * function.c (record_insns, contains): Always declare and define.
8474 (record_insns): Mark with ATTRIBUTE_UNUSED.
8476 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8478 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8479 to .section when outputting a .bss section to deal with multiple
8480 .bss input sections (as happens with -fdata-sections)
8481 Also output %progbits, not @progbits so the assembler doesn't treat as
8483 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8485 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8486 thumb parts even when building with non-thumb CPUs, by forcing
8489 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8491 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8492 (movdf_const_intreg_sp64): Similarly.
8494 * local-alloc.c (update_equiv_regs): Check the correct insn
8495 for pre-existing REG_EQUIV notes.
8497 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8499 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8500 block reached by a branch if we're not going to actually process
8503 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8505 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8506 a local extern function declaration.
8508 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8510 * i386.c (ix86_expand_prologue): Properly wrap USE around
8511 reg for CALL_INSN_FUNCTION_USAGE.
8513 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8515 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8516 move between GP_REGs.
8518 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8520 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8521 the mode size when finding out if an offset is legal.
8523 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8525 * basic-block.h (PROP_*): Move constants from ...
8527 (compute_bb_for_insn): Free the array before reallocating.
8528 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8529 (allocate_reg_life_data): Reset all reg variables collected by
8531 (get_block_head_tail): Don't convert from bb to block.
8532 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8533 (find_insn_reg_weight): Take block not bb.
8534 (schedule_block): Don't set block num for moved insns.
8535 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8536 (schedule_insns): Do it here instead.
8537 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8538 before update_life_info.
8539 * recog.c (split_all_insns, peephole2_optimize): Update for
8540 new arg to update_life_info.
8541 * rtlanal.c (remove_note): Cope with NULL note.
8542 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8545 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8547 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8549 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8550 block records so that merge_blocks_nomove will clean up correctly.
8551 (split_edge): Handle casesi insns.
8553 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8555 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8557 * pa.md (call, call_value): Do not emit a blockage after restoring
8560 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8562 * c-typeck.c (c_expand_asm_operands): Fix typo.
8564 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8566 * arm.c (fpu_rhs_operand): Verify modes.
8567 (fpu_add_operand): Likewise.
8568 (di_operand): Likewise.
8569 (soft_df_operand): Likewise.
8571 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8573 * arm.c (arm_return_in_memory): APCS rules state that the elements
8574 of a structure returned in a register must be 'integer-like'.
8576 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8578 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8579 in the source tree when the generated targets are out of date
8580 * fixinc/genfixes: Alter it to run individual fixes for make.
8581 * fixinc/README: rewrite
8582 * fixinc/inclhack.def: moved initial comments to README
8584 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8586 * toplev.c (main): Do not generate an error message if an
8587 unrecognised command line switch is recognisable by another
8588 language. If extra_warnings are enabled, then generate a
8589 warning message instead.
8591 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8593 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8594 (insert_pack_attributes): Delete prototype.
8596 * c-pragma.c (default_alignment): New static variable.
8597 (push_alignment): Initialize to current effective alignment.
8598 (pop_alignment): Use to set new alignment.
8599 (insert_pack_attributes): Delete function.
8600 (handle_pragma_token): Set default_alignment as well each time
8601 a #pragma pack(<n>) is encountered.
8603 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8605 * reg-stack.c (stack_result): Aggregates are not returned in
8608 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8610 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8612 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8614 * basic-block.h (set_block_num): Declare.
8615 * flow.c (update_life_info): Don't call compute_bb_for_insn
8616 or free_basic_block_vars.
8617 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8618 (insn_orig_block): Remove.
8619 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8620 (schedule_block): Keep BLOCK_NUM up-to-date.
8621 (schedule_insns): Use compute_bb_for_insn.
8622 * recog.c (split_all_insns): Likewise.
8623 (peephole2_optimize): Likewise.
8625 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8627 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8628 if the pic register is used.
8630 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8632 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8633 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8634 if that tests TREE_PERMANENT.
8636 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8638 * cse.c (invalidate_for_call): Do not remove memory references from
8639 the table here. It's handled elsewhere.
8641 * haifa-sched.c (add_dependence): Protect references to the
8642 true dependency cache with #ifdef INSN_SCHEDULING.
8643 (remove_dependence): Similarly.
8645 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8646 to the cfg code that this is a return instruction.
8647 * mn10300.md (return_internal): Similarly.
8649 * combine.c (get_last_value): If the last set of a register
8650 is after subst_low_cuid, then we can not use it to determine
8651 the register's last value.
8653 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8655 * Makefile.in: Back out previous change.
8657 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8659 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8661 * haifa-sched.c (add_dependence): Only check/update the cache
8663 (remove_dependence): Likewise.
8664 (schedule_insns): Only create the true_dependency_cache if the
8665 average number of instructions in a basic block is very large.
8667 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8669 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8670 (ggc-simple.o): Likewise.
8671 (ggc-page.o): Likewise.
8673 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8675 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8676 Prototype for exported functions.
8677 (pre_lcm, pre_rev_lcm): Remove prototypes.
8678 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8679 (compute_available): Move to lcm.c, and change parameter order.
8680 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8681 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8682 (gcse_main): No longer call compute_preds_succs. Rebuild the
8683 set table after reach pre pass.
8684 (pre_insert_map, pre_delete_map, edge_list): New.
8685 (alloc_pre_mem): Allocate edge vectors.
8686 (free_pre_mem): Delete edge vectors.
8687 (compute_pre_data): Call new edge based lcm routines.
8688 (process_insert_insn): New function.
8689 (insert_insn_end_bb): Use it.
8690 (pre_edge_insert): New function.
8691 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8693 (pre_insert_copies): Revamp using new edge based lcm outputs.
8694 (pre_delete): Likewise.
8695 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8697 (compute_code_hoist_vbeinout): New new edge based routines.
8698 * lcm.c: Remove all the old LCM functions. Replace with new ones
8699 that work with the new cfg datastructures and work with edges
8702 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8704 * reload.h (struct reload): Add new fields "mode" and "nregs".
8705 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8706 to reference the "mode" and "nregs" field within struct reload.
8708 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8710 * haifa-sched.c (true_dependency_cache): New.
8711 (add_dependence): Use the true dependency cache to avoid expensive
8712 walks down the LOG_LINKS dependency list. Add entries to the
8714 (remove_dependence): Remove entries from the true dependency cache
8716 (schedule_insns): Allocate and initialize and free the true
8719 * haifa-sched.c (schedule_insns): Do not remove inter-block
8720 dependencies anymore.
8722 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8724 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8725 * i386/t-winnt: Likewise.
8727 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8729 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8731 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8733 * Makefile.in (LANGUAGES): Omit "proto".
8734 (clean): Remove stale comment about removing unprotoize.c.
8736 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8738 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8739 using arithmetic on void pointers.
8741 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8743 * haifa-sched.c (compute_block_forward_dependencies): Only check
8744 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8746 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8748 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8749 (expr_equiv_p): Reject memories with different alias sets.
8751 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8753 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8754 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8755 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8756 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8757 (lang_init): Set default for flag_bounds_check if still "unspecified".
8759 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8761 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8763 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8765 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8768 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8770 * config/c4x/c4x.md (*db_noclobber,
8771 *decrement_and_branch_until_zero_noclobber): New patterns and
8772 associated splitters.
8774 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8776 * config/c4x/c4x.md (parallel instruction patterns): Rework
8777 constraints to keep reload happy.
8779 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8781 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8782 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8783 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8784 Add new patterns and associated post-reload splitters.
8786 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8788 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8790 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8792 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8794 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8796 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8798 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8801 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8803 * pa.c (move_operand): Rely on memory_address_p to determine the
8804 validity of non-indexed memory addresses.
8805 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8806 operand in DFmode and SFmode when generating PA2.0 code.
8808 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8810 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8812 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8814 * mips.c (function_prologue): Fix argument types.
8815 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8816 (casesi_internal): Write to the scratch register.
8818 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8820 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8822 (parse_charconst): Delete unnecessary cast when calling
8824 (cpplib.h): Kill prototype of cpp_parse_escape.
8826 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8828 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8829 * unroll.c (unroll_loop): Cast return value of alloca.
8830 * i370/i370.c: Include function.h and toplev.h.
8831 (i370_label_scan): Remove c++ commented abort.
8832 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8833 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8834 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8835 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8837 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8839 * config/t-freebsd: Do not override USER_H.
8840 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8842 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8843 Mumit Khan <khan@xraylith.wisc.edu>
8845 * c-parse.in (component_decl): Support anonymous struct/union.
8847 * c-parse.y: Regenerate.
8848 * c-parse.c: Likewise.
8849 * objc/objc-parse.y: Likewise.
8850 * objc/objc-parse.c: Likewise.
8851 * c-decl.c (finish_struct): Don't sort the fields.
8852 (field_decl_cmp): Delete unused function.
8854 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8856 * sparc.md (movsf_const_intreg): Revert last constraint change.
8857 (movdf_const_intreg_sp32): Likewise.
8859 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8861 * cse.c: Include hashtab.h instead of splay-tree.h
8862 (struct cse_reg_info): No longer use variant union. Add new
8863 field "regno". All references changed to avoid union.
8864 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8865 (free_cse_reg_info): Remove.
8866 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8867 (get_cse_reg_info): Revamp to use expandable hash tables instead
8868 of splay trees. Initialize new fields in cse_reg_info structure.
8869 (new_basic_block): Similarly.
8871 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8873 * genrecog.c (message_with_line): Prototype.
8874 (validate_pattern): Pass along the set for the dest, not a flag.
8875 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8876 Check for PC/CC0 as sources.
8877 (nodes_identical): Check for children position match before
8878 allowing the combination.
8880 * rtl.c (read_rtx): Track line number across \\\n.
8882 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8884 * mips.h (SPECIAL_MODE_PREDICATES): New.
8885 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8886 (movdi+1, movsi+1): Add output reload constraint.
8887 (casesi_internal): Likewise. Fix commentary.
8888 (return_internal): Use pmode_register_operand.
8890 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8892 * 1750a.md (movstrqi): Add missing output reload constraint.
8893 (call_value): Likewise.
8894 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8895 (jmpfdec): Add missing inout reload constraint.
8896 * elxsi.md (addsi patterns): Add missing output reload constraint.
8897 (move from sp): Use @ alternates.
8898 (call_value): No constraint on output.
8899 * fr30.md (movsi_pop): Add missing output reload constraint.
8900 (movsf_constant_store): Likewise.
8901 (splits): Remove constraints.
8902 (subsi3): Add missing mode.
8903 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8904 (call_value): Likewise.
8905 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8906 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8907 * m32r.md (movsicc_internal): Add output reload constraint.
8908 (movstrsi_internal): Add inout reload constraints.
8909 * m88k.h (reg_names): Don't declare.
8910 (SPECIAL_MODE_PREDICATES): New.
8911 * m88k.md (*): Use register_operand not reg_or_0_operand
8913 * mn10200.h (PREDICATE_CODES): New.
8914 * ns32k.md (ffs pattern): Add output reload constraint.
8915 * pdp11.md (sob pattern): Add inout reload constraint.
8916 * sh.md (splits): Remove constraints.
8917 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8918 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8919 * vax.md (jgequ pattern): Add inout reload constraint.
8921 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8923 * configure.in (djgpp): Revert previous patch.
8924 * configure: Rebuit.
8925 * config/i386/djgpp.h: Revert previous patch.
8927 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8929 * fixinc/inclhack.def: Restore patch lost during last merge of
8930 "no_bogosity" branch.
8931 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8933 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8935 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8936 * fixinc/inclhack.def: Same.
8937 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8939 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8941 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8942 as the base of a PLUS.
8944 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8946 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8947 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8949 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8951 * pa.md (post_stw+1): Use pmode_register_operand.
8952 (dcacheflush, icacheflush): Likewise.
8954 * i386.md (movstricthi_1): Allow r/r.
8956 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8958 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8959 to (not (and (arg0) (arg1))). Similary for and.
8961 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8962 fallthrough to associate code.
8963 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8966 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8967 no bits in common; remove XOR to ROTATE conversion.
8969 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8971 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8973 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8975 * config/c4x/c4x.c (dst_operand): New.
8976 (PREDICATE_CODES): Update.
8977 * config/c4x/c4x.h (dst_operand): Declare it.
8978 * config/c4x/c4x.md: Define mode for each unspec usage.
8979 (move patterns): Use dst_operand predicate instead of src_operand.
8980 (movqi_update, movqf_update): Delete.
8982 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8984 * recog.c (pmode_register_operand): New.
8985 * recog.h: Declare it.
8986 * genrecog.c (pred_codes): Likewise.
8987 (special_mode_pred_table): Likewise.
8988 (validate_pattern): Don't warn no mode for address_operand.
8990 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8991 if the operand is not insn-like.
8993 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8994 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8996 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8998 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
9000 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
9001 instead of general_operand in a SET_DEST. Use const_double_operand
9002 instead of an explicit test against CONST_DOUBLE.
9003 (movsf_const_lo): Add missing register mode.
9004 (goto_handler_and_restore): Add auxiliary test for Pmode.
9005 (flush): Adjust to use address_operand.
9006 (return_sf_no_fpu): Add missing output constraint.
9008 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9010 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9011 for call return value.
9012 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9014 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9016 * toplev.c (main): Only warn about options for other languages.
9017 * collect2.c (main): Pass -w to sub-gcc.
9019 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9021 * flow.c (propagate_block): Add call-clobbered registers to
9024 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9025 zapping mem_set_list.
9026 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9027 (mark_set_1, mark_used_regs): Likewise.
9029 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9031 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9033 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9035 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9036 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9037 options. Also add a new item "C-only Warning Options" to the
9040 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9042 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9043 from multiple calls.
9045 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9047 * i386.md (call value patterns): Move to the end of the file.
9048 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9050 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9052 * configure.in (djgpp configuration): Define extra_objects..
9053 * configure: Rebuilt.
9054 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9055 (DTORS_SECTION_ASM_OP): Define.
9056 (INIT_SECTION_ASM_OP): Define.
9057 (FINI_SECTION_ASM_OP): Define.
9058 (DATA_SECTION_ASM_OP): Define.
9059 (TEXT_SECTION_ASM_OP): Define.
9060 (EH_FRAME_SECTION_ASM_OP): Define.
9061 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9062 (STARTFILE_SPEC): Add crtbegin.o.
9063 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9064 to here from LINK_COMMAND_SPEC.
9065 (DO_GLOBAL_CTORS_BODY): Define.
9066 (CRTSTUFF_USE_FINI_SECTION): Define
9067 (HAS_INIT_SECTION): Delete.
9069 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9071 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9073 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9075 * pa.h (PREDICATE_CODES): New.
9077 * genrecog.c (validate_pattern): Condense the destination
9080 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9082 * alpha.md (call-1): Supply missing mode for operator.
9083 (*): Add missing output reload constraints. Remove constraints
9086 * i386.h (SPECIAL_MODE_PREDICATES): New.
9087 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9088 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9089 (addsi_lea_3): Add missing mode for op 3.
9090 (prologue_set_got, prologue_get_pc): Add missing modes.
9091 (*) Add missing output reload constraints.
9093 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9095 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9096 check for member bit-size overflow and use var_size if it occurs.
9097 (layout_record): Use bitsize_int() to define the type size in bits.
9098 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9099 (layout_decl): Likewise when assigning to DECL_SIZE.
9101 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9103 * genrecog.c (validate_pattern): Typo last change. Verify
9104 that output operands have output reloads.
9106 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9108 * genrecog.c (special_mode_pred_table): New.
9109 (NUM_SPECIAL_MODE_PREDS): New.
9110 (find_operand): New.
9111 (validate_pattern): New argument `insn'. Warn for assignment to
9112 any predicate accepting non-lvalues. Conditionaly warn for
9113 match_operand without a mode. Try much harder to match source
9114 and destination modes on a set.
9115 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9117 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9119 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9121 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9123 * combine.c (simplify_logical): Recognize xor pattern that encodes
9126 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9128 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9131 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9133 * ggc-page.c (MAP_FAILED): Provide default.
9135 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9137 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9138 * sparc.h (PREDICATE_CODES): Update.
9140 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9142 * alpha.c (some_ni_operand): New.
9143 * alpha-protos.h: Declare it.
9144 * alpha.h (PREDICATE_CODES): Update.
9145 * alpha.md (sXaddq reload insns): Use some_ni_operand
9146 for SET_DEST instead of some_operand.
9148 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9149 Jim Wilson <wilson@cygnus.com>
9151 * genrecog.c (maybe_both_true_2): Don't compare modes of
9153 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9154 after find_afterward.
9155 (debug_decision_1): Dump next and afterward codes.
9157 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9159 * rtl.c (dump_and_abort): Remove.
9160 (fatal_with_file_and_line): New.
9161 (fatal_expected_char): New.
9162 (read_rtx_lineno, read_rtx_filename): New.
9163 (read_skip_spaces): Track line number.
9164 (read_name): Use fatal_with_file_and_line.
9165 (read_rtx): Use fatal_expected_char. Track line number.
9166 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9168 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9169 if it isn't a CODE_LABEL.
9171 * genattr.c (main): Set read_rtx_filename.
9172 * genattrtab.c (main): Likewise.
9173 * gencodes.c (main): Likewise.
9174 * genconfig.c (main): Likewise.
9175 * genemit.c (main): Likewise.
9176 * genextract.c (main): Likewise.
9177 * genflags.c (main): Likewise.
9178 * genopinit.c (main): Likewise.
9179 * genoutput.c (main): Likewise.
9180 * genpeep.c (main): Likewise.
9182 * genrecog.c (decision_test.u.insn): Add `lineno'.
9183 (pattern_lineno, error_count): New variables.
9184 (message_with_line): New.
9185 (add_to_sequence): Break out checking code to ...
9186 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9187 (merge_insn): Use message_with_line.
9188 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9189 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9191 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9193 * expr.c (store_constructor): Clear union if constructor is empty.
9195 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9197 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9198 Add !endian checks. Change %{...} to %(...).
9200 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9202 * i386.md (*addsi3_cc): Renamed from addcsi3.
9203 (*addsi3_carry): Renamed from addxsi3.
9204 (*subsi3_cc): Renamed from subcsi3.
9205 (*subsi3_carry): Renamed from subxsi3.
9206 (*xorqi_cc_1): Renamed from xorcqi_1.
9207 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9208 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9210 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9212 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9213 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9215 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9217 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9218 climb up the chain of insns.
9220 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9222 * genrecog.c (write_subroutine): Careful for null trees.
9223 (process_tree): Don't elide empty functions.
9225 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9227 * Makefile.in (genrtl.o): Depend on ggc.h.
9228 * configure.in (valloc): Probe for it.
9229 (with-gc): Use ggc-page if valloc present.
9230 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9231 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9232 (ggc_alloc_string): Moved from ggc-page.c.
9233 * ggc-none.c (ggc_alloc_obj): New.
9234 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9235 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9236 (struct globals): Likewise for dev_zero_fd.
9237 (init_ggc): Likewise for it's initialization.
9238 (ggc_allocated_p): Move careful dereference from ...
9239 (ggc_lookup_page_table): ... here. Delete.
9240 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9241 (alloc_anon): Use valloc if no mmap.
9242 (release_pages): Use free if using valloc.
9243 (ggc_alloc_obj): Renamed from alloc_obj.
9244 (ggc_set_mark): Renamed from mark_obj.
9245 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9246 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9247 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9248 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9249 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9250 (ggc_collect): Use fp printing instead of our own rounding.
9251 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9252 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9253 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9254 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9255 (struct ggc_string, struct ggc_any): Delete.
9256 (offsetof): Provide default definition.
9257 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9259 (struct ggc_mem): New, from corpse of ggc_any.
9260 (struct ggc_status): Delete.
9261 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9262 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9263 (n_strings_collected, n_anys_collected): Delete.
9264 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9265 (ggc_alloc_string, ggc_alloc): Delete.
9266 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9267 (ggc_free_string, ggc_free_any): Delete.
9268 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9269 (ggc_compare_addresses, ggc_mark_string): Delete.
9270 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9271 (search_data): Delete.
9272 (struct globals): New.
9273 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9274 (tree_insert, tree_lookup): New.
9275 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9276 (clear_marks, sweep_objs): New.
9277 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9278 (init_ggc): Set allocated_last_gc.
9279 (ggc_push_context): Gut. Use G.context.
9280 (ggc_pop_context): Likewise.
9281 (ggc_pop_context_1): New.
9282 (debug_ggc_tree): New.
9283 (debug_ggc_balance, tally_leaves): New.
9284 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9285 (ggc_mark_string_if_gcable): Remove decl.
9286 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9287 (ggc_mark_rtvec_children): New.
9288 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9289 (ggc_mark_if_gcable): New decl.
9290 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9291 (ggc_alloc_tree, ggc_alloc): Likewise.
9292 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9293 (ggc_alloc_obj): New decl.
9294 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9295 (ggc_alloc_tree, ggc_alloc): Likewise.
9296 (ggc_set_mark): New decl.
9297 * rtl.h (struct rtx_def): Remove gc_mark.
9298 (struct rtvec_def): Likewise.
9299 * tree.h (struct tree_common): Likewise.
9301 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9303 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9304 float_format and thread_file definitions.
9305 * configure: Rebuilt.
9307 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9309 * extend.texi (Function Names): Document types of function names.
9311 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9313 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9314 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9316 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9318 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9320 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9322 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9324 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9326 * collect2.c (main): Do prelimnary link on AIX if rflag.
9328 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9330 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9331 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9333 (__do_global_dtors): similarly for __DTOR_LIST__.
9335 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9336 Diego Novillo <dnovillo@cygnus.com>
9338 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9341 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9343 * fixincl/*: Merged "no_bogosity" branch
9344 * fixincl/fixlib.h: protect against doubly defining t_bool
9345 * fixincl/server.h: protect against doubly defining t_bool
9347 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9349 * genoutput.c: Include toplev.h.
9351 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9353 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9355 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9356 * configure: Regenerate.
9358 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9360 * gcse.c (delete_null_pointer_checks): Returns void.
9362 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9364 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9365 * emit-rtl.c (copy_insn_1): Likewise.
9367 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9369 * config/mips/mips.c (mips_build_va_list): Correct
9370 TREE_CHAIN setting when hard-float.
9371 (mips_va_start): Use corrected setting.
9372 (mips_va_arg): Likewise. Also pass a tree to build of
9373 POSTINCREMENT_EXPR rather than a naked 'int'.
9375 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9377 * ggc.h (ggc_push_context): Fix comment.
9378 (ggc_pop_context): Likewise.
9379 (mark_string_if_gcable): Likewise.
9380 * ggc-common.c (ggc_mark_rtx_children): Use
9381 ggc_mark_string_if_gcable.
9382 * ggc-page.c (ggc_lookup_page_table): New function.
9383 (ggc_allocated_p): Likewise.
9384 (mark_obj): Fix formatting.
9385 (ggc_mark_string_if_gcable): New function.
9386 * ggc-simple.c (ggc_allocated_strings): New variable.
9387 (ggc_strings_used): Likewise.
9388 (ggc_compare_addresses): New function.
9389 (ggc_pop_context): Pop the `any' memory too.
9390 (ggc_mark_string_if_gcable): New function.
9391 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9393 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9395 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9396 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9397 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9400 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9402 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9403 (sched_reg_live_length, sched_reg_basic_block): Delete.
9404 (current_block_num, bb_live_regs, old_live_regs): Delete.
9405 (dead_notes, struct sometimes): Delete.
9406 (sched_note_set, birthing_insn_p): Delete.
9407 (adjust_priority): Gut useless reg lifetime code.
9408 (create_reg_dead_note, attach_deaths): Delete.
9409 (attach_deaths_insn, new_sometimes_live): Delete.
9410 (finish_sometimes_live): Delete.
9411 (find_pre_sched_live, find_post_sched_live): Delete.
9412 (update_reg_usage): Delete.
9413 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9414 (schedule_insns): Delete reg lifetime code.
9415 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9416 (unlink_other_notes): Adjust REG_NOTE commentary.
9417 (reemit_notes): Use REG_SAVE_NOTE.
9418 (schedule_block): Likewise.
9419 (schedule_region): Allocate bitmap of blocks in region. Use
9420 count_or_remove_death_notes. Use update_life_info.
9422 * rtl.h (REG_SAVE_NOTE): New.
9423 * rtl.c (reg_note_name): Update.
9425 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9427 * combine.c (refresh_blocks, need_refresh): New.
9428 (combine_instructions): Allocate refresh_blocks. Invoke
9429 update_life_info if needed.
9430 (distribute_notes): Mark refresh_blocks instead of installing
9432 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9433 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9435 * Makefile.in (recog.o): Depend on basic-block.h.
9437 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9439 * genrecog.c (add_to_sequence): Thinko last change: delete
9440 shadowing allow_const_int variable.
9442 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9444 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9445 __GNUC__ and __GNUC_MINOR__.
9447 * gansidecl.h: Likewise.
9453 * toplev.h: Likewise.
9459 * varray.c: Likewise.
9461 * varray.h: Likewise.
9463 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9465 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9466 use one before a jump table.
9468 * rtl.def (ADDRESS): Change documentation to match reality.
9469 * md.texi: Don't document it.
9470 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9473 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9475 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9477 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9478 known predicate block; default allow_const_int true.
9479 (debug_decision_list): New.
9481 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9483 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9485 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9487 * gcse.c (gcse_main): Avoid global optimizations if we have a
9488 large number of basic blocks and the ratio of edges to blocks
9490 (delete_null_pointer_checks): Likewise.
9492 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9494 * c-common.c (check_format_info): Warn if format string isn't a
9497 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9499 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9500 * configure: regenerate
9502 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9504 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9505 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9506 (peepholes): Re-enable.
9508 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9510 * Makefile.in (flow.o): Depend on TREE_H.
9511 * basic-block.h (REG_SET_EQUAL_P): New.
9514 (free_regset_vector): Remove declaration.
9515 (flow_delete_insn_chain): Declare.
9516 (enum update_life_extent): New.
9517 (update_life_info, count_or_remove_death_notes): Declare.
9518 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9519 Verify register live at bb->global_live_at_start before adding USE.
9520 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9521 (CLEAN_ALLOCA): New.
9523 (PROP_*): New flags.
9524 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9525 (clear_edges): Zero n_edges.
9526 (make_edge): Increment n_edges.
9527 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9528 (flow_delete_insn_chain): Export.
9529 (delete_block): Decrement n_edges.
9530 (merge_blocks_nomove): Likewise.
9531 (life_analysis): Give life_analysis_1 PROP flags.
9532 (verify_wide_reg_1, verify_wide_reg): New.
9533 (verify_local_live_at_start): New.
9534 (update_life_info): Rewrite to call into propogate_block.
9536 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9537 always mark stack pointer. Conditionally mark PIC register.
9538 After reload, mark call-saved registers, return regsiters.
9539 (life_analysis_1): Accept PROP flags not remove_dead_code.
9540 Call mark_regs_live_at_end before zeroing regs_ever_live.
9541 Use calculate_global_regs_live. Copy global_live_at_end before
9542 calling final propagate_block. Zero reg_next_use on exit.
9543 (calculate_global_regs_live): New.
9544 (allocate_bb_life_data): Don't allocate bb->local_set.
9545 (init_regset_vector, free_regset_vector): Remove.
9546 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9547 Test flags before every operation. Warn if prologue/epilogue insn
9548 would have been deleted.
9549 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9550 Use alloc_EXPR_LIST.
9551 (mark_used_regs): Accept and use FLAGS, not FINAL.
9552 Remove special handling for RETURN.
9553 (try_pre_increment): Use alloc_EXPR_LIST.
9554 (dump_flow_info): Dump n_edges.
9555 (unlink_insn_chain, split_hard_reg_notes): Remove.
9556 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9557 (find_insn_with_note, new_insn_dead_notes): Remove.
9558 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9559 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9560 (replace_insns): Remove.
9561 (count_or_remove_death_notes): New.
9562 (verify_flow_info): Abort on error after all checks.
9563 (remove_edge): Decrement n_edges.
9564 (remove_fake_edges): Tweek format.
9565 * haifa-sched.c (schedule_insns): Use split_all_insns.
9566 * output.h (update_life_info): Remove declaration.
9567 * recog.c (split_all_insns): From the corpse of split_block_insns,
9568 do the whole function block by block. Use update_life_info.
9569 (recog_last_allowed_insn): New.
9570 (recog_next_insn): Mind it.
9571 (peephole2_optimize): Set it. Walk backwards through blocks.
9572 Use update_life_info.
9573 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9574 (split_all_insns): Declare.
9575 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9576 Use split_all_insns.
9578 * i386.md (or -1 peep2s): Disable.
9580 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9582 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9583 a single pattern. Scrap the 'd' versions as unnecessary.
9585 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9586 tablejump_mips162,tablejump_internal4): The operands to a
9587 label_ref must be VOIDmode.
9589 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9591 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9593 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9595 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9597 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9599 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9600 cache every function if ggc_p.
9602 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9604 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9605 instead of copy_rtx. Accept sequences that contain asm statements.
9606 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9607 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9608 orig_asm_operands_vector, copy_asm_operands_vector,
9609 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9611 * rtl.h (copy_insn, copy_insn_1): Declare.
9613 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9615 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9617 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9618 arguments to `current_file_function_operand'.
9620 * genrecog.c: Include hard-reg-set.h and resource.h in the
9621 generated output file.
9623 * real.c: Include tm_p.h.
9625 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9627 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9630 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9632 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9633 before the fctiwz insn.
9635 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9636 Mark Mitchell <mark@codesourcery.com>
9638 * tree.c (make_lang_type_fn): New funtion pointer.
9639 (make_lang_type): Call it.
9640 * tree.h (make_lang_type): Declare.
9641 (make_lang_type_fn): Likewise.
9642 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9644 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9646 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9647 make sure that HIGH instructions are copied into BASE_REGS.
9649 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9651 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9653 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9655 * c-decl.c (finish_struct): Use simpler method of
9656 removing elements of a singly-linked list.
9658 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9660 * alpha.md (peephole2's): Comment out peephole2's that generate
9663 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9665 * genrecog.c (add_to_sequence): Disable mode check for
9668 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9670 * ggc-simple.c (init_ggc): Set empty_string.
9672 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9674 * configure.in: Detect mmap. Add --with-gc=foo to select
9675 garbage collector; default to page if mmap available.
9676 * Makefile.in (GGC): Substitute.
9678 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9680 * c-decl.c (ggc_p): Enable.
9682 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9684 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9686 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9688 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9689 string for little-endian-data.
9691 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9693 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9694 case somebody tries to compile --enable-checking code with gcc
9697 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9699 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9702 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9704 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9705 * jump.c (jump_optimize_1): Document why.
9707 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9709 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9710 pointers and casts for `int_handler' and `quit_handler'.
9712 * flow.c (verify_flow_info, split_hard_reg_notes,
9713 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9714 remove_edge, remove_fake_successors): Add static prototypes.
9715 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9716 (mark_set_1): Initialize variable `regno'.
9717 (unlink_insn_chain): Likewise for variable `curr'.
9718 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9720 * loop.c (strength_reduce): Initialize variable
9721 `unrolled_insn_copies'.
9722 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9723 prototypes. Change these functions to take const PTR parameters
9724 to avoid prototype conflict when used as the comparson argument
9726 (check_dbra_loop): Initialize variable `comparison_val'.
9728 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9729 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9730 (find_valid_class): Initialize variable `best_class'.
9731 (find_reloads): Call memcpy, not bcopy.
9733 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9734 (hard_reg_use_compare): Don't needlessly cast away const.
9735 (reload_reg_class_lower): Likewise.
9736 (choose_reload_regs): Initialize variable `regno'.
9738 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9740 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9742 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9744 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9745 ({,d}discard): Add forward declarations. Declare parameter as
9747 (main_without_main): Explicitly declare return type to be int.
9748 (memcpy): Properly declare.
9750 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9751 building the trampoline support, declare malloc, free, and
9753 (__clear_cache): Mark arguments as potentially unused.
9755 * frame.c (toplevel): If inhibit_libc is defined, declare
9758 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9760 * flow.c (make_edge): Accept an optional 2D bitmap in which
9761 to cache edge existence. Update all callers.
9762 (make_label_edge, make_eh_edge): Pass through the edge cache.
9763 (make_edges): Provide the cache.
9765 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9767 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9769 (local_mbtowc): Change the type of variable `i' from int to size_t.
9771 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9772 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9774 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9776 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9777 after other includes that define the appropriate types. Include
9778 tm_p.h for getting user prototypes.
9779 * ggc-callbacks.c (toplevel): Ditto.
9780 * ggc-none.c (toplevel): Ditto.
9781 * gcc-page.c (toplevel): Ditto.
9782 * ggc-simple.c (toplevel): Ditto.
9784 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9785 Jonathan Larmour <jlarmour@cygnus.co.uk>
9787 * config/mips/mips.c (mips_move_2words): Split doubles if
9788 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9790 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9792 * genrecog.c (struct decision_test): New.
9793 (struct decision): Remove test-related members, sort the rest by size.
9794 (IS_SPLIT): Simplify.
9795 (new_decision, new_decision_test): New.
9796 (add_to_sequence): Use them. No special handling for args of
9798 (maybe_both_true): Renamed from not_both_true; return sense changed.
9799 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9800 of maybe_both_true and adjusted for decision_test.
9801 (position_merit): Remove.
9802 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9803 (merge_accept_insn): New, broken out of merge_trees.
9804 (merge_trees): Use them. No special case for c_test; no node
9805 splitting; use test type instead of position_merit.
9806 (factor_tests): New.
9807 (simplify_tests): New.
9808 (break_out_subroutines): Don't write code now.
9809 (find_afterward): New.
9810 (write_afterward, write_switch, write_cond): New.
9811 (write_action, is_unconditional): New.
9812 (write_node): New. Use them.
9813 (write_tree_1): Rewrite. Use the new functions above.
9814 (write_tree): Remove afterward processing.
9815 (write_subroutine): Simplify function variant emission.
9816 (write_subroutines): New.
9817 (same_codes, clear_codes): Remove.
9818 (same_modes, clear_modes): Remove.
9819 (write_header): New, broken out of main.
9820 (make_insn_sequence): Use new_decision and new_decision_test.
9821 (process_tree): New, broken out of main.
9822 (main): Adjust for merge_trees interface change.
9823 Don't #define operands in the output file.
9824 (record_insn_name): New, broken out of make_insn_sequence.
9825 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9826 (debug_decision): New.
9828 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9830 * resource.c (find_free_register): Mark class_str argument const.
9831 * resource.h: Update prototype to match.
9833 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9834 * i386.md: Give all anonymous insns names.
9836 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9838 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9841 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9843 * toplev.c (dbr_sched_time): Unconditional.
9844 (peephole2_time): New.
9845 (compile_file): Add pass numbers to all of the dump file suffixes.
9846 Dump peephole2_time. Don't dump times for non-applicable passes.
9847 (rest_of_compilation): Add pass numbers to dump file suffixes.
9848 Conditionalize calls to the scheduler.
9849 * invoke.texi: Update.
9851 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9853 * flow.c (make_edges): Fix insn iteration.
9854 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9855 (find_basic_blocks_1): Fix spelling mistake.
9857 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9859 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9860 always have side-effects. Use memset not bzero.
9861 (make_node): Likewise.
9863 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9865 * stmt.c (expand_anon_union_decl): When any of the elements of the
9866 union is addressable, so is the entire union.
9868 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9870 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9872 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9873 * bitmap.c (bitmap_operation): Return true iff TO changed.
9874 (bitmap_equal_p): New.
9875 (bitmap_bit_p): Tidy arithmetic.
9876 (debug_bitmap_file): Likewise.
9878 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9880 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9881 before cse2 instead of after.
9883 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9885 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9888 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9890 * cppinit.c (is_idchar initializer): Loosen tests to accept
9893 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9895 * mips.md: Define conditional move patterns for floating point
9896 operands and DI mode conditions.
9898 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9900 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9901 always have side-effects.
9903 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9905 * mn10200.c (asm_file_start): Fix typo.
9907 * cppinit.c (is_idchar initializer): Tighten tests for when
9908 to put the table into initialized memory.
9910 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9911 not an array of rtunion.
9912 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9913 * gcc-simple (ggc_free_rtvec): Similarly.
9915 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9918 * mbchar.h: Add missing #endif.
9920 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9921 (FPBIT, DPBIT): Define.
9923 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9925 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9927 * profile.c (instrument_arcs, output_gcov_string,
9928 tablejump_entry_p): Add static prototypes.
9929 (output_gcov_string): Constify a char*.
9931 * regmove.c (replacement_quality, fixup_match_2): Add static
9934 * resource.h (reg_dead_p): Add extern prototype.
9936 * rtl.c (trim_filename): Add static prototype.
9938 * scan-decls.c (skip_to_closing_brace): Likewise.
9940 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9941 (expand_end_case): Initialize variable `range'.
9942 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9944 * varasm.c (asm_emit_uninitialised): Add static prototype.
9945 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9948 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9950 * cpplib.c (if_directive_nameo): Add static prototype.
9952 * cse.c (cse_insn): Remove unused variable `p'.
9954 * except.c (create_rethrow_ref, push_entry,
9955 receive_exception_label, new_eh_region_entry, find_func_region,
9956 clear_function_eh_region, process_nestinfo): Add static prototypes.
9957 (get_reg_for_handler): Hide definition.
9958 (process_nestinfo): Initialize variable `extra_handlers'.
9960 * expr.h (expand_builtin_longjmp): Add extern prototype.
9962 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9964 * function.c (prepare_function_start): Likewise.
9965 (pop_function_context_from): Mark parameter `context' with
9967 (push_temp_slots_for_block, flush_addressof): Hide definition.
9969 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9970 solve_program_flow_graph, calculate_branch_probs,
9971 function_summary, main, fancy_abort): Add prototypes.
9973 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9974 (add_hash): Constify a char*.
9976 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9977 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9978 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9980 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9982 * lists.c (free_list, zap_lists): Likewise.
9984 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9986 * alias.c (nonlocal_reference_p): Add static prototype.
9988 * bitmap.c (bitmap_element_allocate): Prototype args in function
9991 * builtins.c (stabilize_va_list): Add static prototype.
9992 (expand_builtin_va_arg): Constify a char*.
9994 * c-lex.c (getch, put_back, extend_token_buffer_to,
9995 read_line_number, token_getch, token_put_back): Add static
9998 * c-parse.gperf (hash, is_reserved_word): Likewise.
10000 * cccp.c (is_dir_separator): Likewise.
10002 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10004 * graph.h: New file to prototype functions exported by graph.c.
10006 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10008 * graph.c: Include graph.h.
10010 * toplev.c: Likewise. Remove redundant prototypes.
10012 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10014 * invoke.texi: Removed duplicated description for -Q.
10016 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10018 * extend.texi: Grammar fix in __extension__ text.
10020 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10022 * md.texi (define_peephole2): New section.
10024 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10026 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10027 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10030 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10032 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10034 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10036 * i386.md (ffs expander): Emit Pentium friendly code for
10039 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10041 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10043 (build1): Likewise.
10045 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10047 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10049 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10051 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10052 register is in use.
10054 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10056 * md.texi (No Constraints): Delete section.
10057 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10058 * final.c (final_scan_insn): We always have register constraints.
10059 * genattrtab.c: Don't include "insn-config.h".
10060 (write_attr_case): We always have register constraints.
10061 * genconfig.c (register_constraint_flag): Delete.
10062 (walk_insn_part): Don't check whether we have register constraints.
10063 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10064 * genoutput.c (have_constraints): Delete.
10065 (main): Don't set it.
10066 (output_operand_data): We always have constraints.
10067 (scan_operands): Likewise.
10068 (compare_operands): Likewise.
10069 * local-alloc.c (block_alloc): We always have constraints.
10070 (requires_inout): Always compile this function.
10071 * recog.c (extract_insn): We always have constraints.
10072 (constrain_operands, reg_fits_class_p): Always compile these
10074 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10076 (struct insn_operand_data): Likewise.
10077 * regclass.c (regclass): We always have constraints.
10078 (record_reg_classes, copy_cost, record_address_regs,
10079 auto_inc_dec_reg_p): Always compile these functions.
10080 * regmove.c (regmove_optimize): We always have constraints.
10081 * reload.c (find_reloads): Likewise.
10082 * reload1.c (reload): Likewise.
10083 (reload_cse_simplify_operands): Likewise.
10084 * i860.c (output_delay_insn): Likewise.
10086 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10088 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10090 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10092 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10093 for the va_list record.
10095 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10097 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10100 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10102 * alias.c: Include insn-flags.h.
10103 * Makefile.in (alias.o): Update.
10105 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10107 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10108 to LTU and GEU. Handle more cases using sbb.
10110 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10112 * i386.md (truncatexfdf splitters): Do not use subreg.
10113 (fop XFmode patterns): Fix mode in operand testing.
10115 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10117 * jump.c (jump_optimize_1): Amend last change to test only the
10118 form of the operand, not the insn.
10120 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10121 not register_operand to determine when B may need preloading.
10123 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10125 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10126 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10127 (call-value patterns): Move to end of file.
10128 (*): Remove mode from label_ref in (pc) context.
10129 (movstrqi): Use memory not general_operand for BLKmode operands.
10130 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10131 to register_operand operands.
10132 (peep2 patterns): Convert from commented-out peephole patterns.
10134 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10136 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10137 to BUILT_IN_INIT_DWARF_REG_SIZES.
10138 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10139 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10140 expand_builtin_init_dwarf_reg_sizes.
10141 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10142 with __builtin_init_dwarf_reg_size_table.
10143 * dwarf2out.c (struct reg_size_range): Delete.
10144 (expand_builtin_init_dwarf_reg_sizes): New function.
10145 (expand_builtin_dwarf_reg_size): Delete.
10146 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10147 (expand_builtin_dwarf_reg_size): Don't declare.
10148 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10149 (dwarf_reg_size_table): New.
10150 (init_reg_size_table): New function.
10151 (copy_reg): Use dwarf_reg_size_table.
10152 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10155 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10157 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10158 Correctly build argument list to constructor and destructor functions.
10160 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10162 * c-tree.h (warn_float_equal): Declare.
10163 * c-decl.c (warn_float_equal): Define.
10164 (c_decode_option): Recognize -W[no-]float-equal.
10165 * c-typeck.c (build_binary_op): Conditionally warn
10166 about equality tests of floating point types.
10167 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10168 * invoke.texi: Add docs for -Wfloat-equal warning.
10170 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10172 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10173 generating RTL directly.
10174 * mips.h (INIT_TARGET_OPTABS): Likewise.
10175 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10177 * expr.h (init_mov_optab): Delete declaration
10179 * h8300.c (WORD_REG_USED): Update to avoid useless register
10180 saves in interrupt functions and functions which never return.
10182 * cse.c (struct set): Delete inner_dest_loc field.
10183 (cse_insn): Remove assignments to inner_dest_loc field.
10185 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10187 * ggc-page.c: Don't include <unistd.h> etc taken care of
10188 by "system.h". Include <sys/mman.h> afterward.
10190 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10192 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10195 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10197 * xcoffout.c (xcoffout_declare_function): Add documentation.
10198 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10199 TARGET_64BIT. Compare constant to -1, not bit pattern.
10200 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10201 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10204 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10206 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10207 origin_die is NULL.
10208 (gen_inlined_enumeration_type_die): Do not abort if the type has
10209 not been writeen out.
10210 (gen_inlined_structure_type_die): Do not abort if the type has
10211 not been writeen out.
10212 (gen_inlined_union_type_die): Do not abort if the type has
10213 not been writeen out.
10214 (gen_tagged_type_instantiation_die): Do not abort if the type
10215 has not been written out.
10217 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10219 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10221 * reg-stack.c (straighten_stack): Copy hard reg set with
10224 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10226 * builtins.c (stabilize_va_list): Stabilize array type va_list
10227 to a pointer type, not the base record type.
10228 (expand_builtin_va_copy): Dereference the pointers explicitly;
10229 use the correct size for the copy.
10231 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10232 (rs6000_va_arg): Likewise.
10234 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10236 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10238 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10240 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10242 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10244 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10246 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10247 (init_ggc): Use it instead of a constant.
10248 (ggc_collect): Bound allocated_last_gc by it.
10250 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10252 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10255 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10257 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10258 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10259 * configure: Regen.
10260 * config/mips/openbsd.h: New, OpenBSD little endian target.
10261 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10262 * config/mips/xm-openbsd.h: New, OpenBSD host.
10264 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10266 * config/m68k/m68k.c (output_function_prologue,
10267 output_function_epilogue): Use
10268 current_function_uses_pic_offset_table instead of regs_ever_live
10269 to decide whether to save/restore pic register.
10270 (legitimize_pic_address): Don't modify regs_ever_live any more.
10272 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10274 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10275 * stor-layout.c (variable_size): Don't add sizes to the pending
10276 sizes list if x_dont_save_pending_sizes_p is set.
10278 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10280 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10281 for symbolic_operand().
10282 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10284 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10286 * combine.c (gen_rtx_combine): Add missing call to va_end().
10288 * final.c (asm_fprintf): Likewise.
10290 * genattrtab.c (attr_rtx): Likewise.
10292 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10294 * cse.c: Update comments.
10295 (cse_insn): When converting a conditional/computed jump into
10296 an unconditional jump, always make sure a BARRIER immediately
10297 follows the converted jump. Do not delete unreachable code.
10298 (cse_basic_block): Do not delete unreachable code.
10299 * toplev.c (rest_of_compilation): Move call to
10300 delete_trivially_dead_insns after the conditional call to
10303 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * collect2.c (make_temp_file): Don't prototype.
10307 * gcc.c (make_temp_file): Likewise.
10309 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10311 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10313 * varasm.c (asm_emit_uninitialised): New function: Generate
10314 the assembler statements necessary to declare an uninitialised
10316 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10318 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10319 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10321 (assemble_variable): Use asm_emit_uninitialised to emit an
10322 uninitialised variable.
10324 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10326 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10327 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10328 <geoffk@cygnus.com>.
10330 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10332 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10333 * c-common.h (builtin_function): Don't declare.
10335 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10337 (pushdecl): Likewise.
10338 (finish_decl): Likewise.
10339 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10340 int. All callers changed.
10341 Set the builtin's DECL_BUILT_IN_CLASS.
10342 * tree.h (enum built_in_class): New.
10343 (enum built_in_function): Delete NOT_BUILT_IN.
10344 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10346 (DECL_SET_FUNCTION_CODE): Likewise.
10347 (DECL_BUILT_IN_CLASS): New macro.
10348 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10349 (struct tree_decl): Split builtin function code field into a
10351 (builtin_function): Declare.
10353 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10355 * optabs.c (init_traps): Fix typo in last change.
10357 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10359 * toplev.c (rest_of_decl_compilation): Update comment.
10361 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10363 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10364 in .sbss if appropriate.
10365 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10366 (SBSS_SECTION_ASM_OP): New macro.
10367 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10368 (EXTRA_SECTIONS): Add in_sbss.
10369 * config/mips/mips.h: Prototype sbss_section.
10371 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10373 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10376 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10378 * optabs.c (init_traps): Register trap_rtx as a GC root.
10380 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10382 * config/mips/mips.c (function_arg_pass_by_reference): Define
10383 unconditionally, since it's called unconditionally.
10385 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10387 * toplev.c (documented_lang_options): Add -fshort-wchar.
10388 * c-decl.c (c_decode_option): Likewise.
10389 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10391 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10392 * gcc.c (default_compilers): If -fshort-wchar,
10393 override __WCHAR_TYPE__.
10394 * tm.texi (C Dialect Options): Add -fshort-wchar.
10396 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10397 symbol for a variable.
10399 * cpplib.h (CPP_PREPROCESSED): New macro.
10400 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10401 we're seeing this input for a second time.
10403 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10405 * emit-rtl.c (init_emit_once): Initialize modes first.
10407 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10409 * config/i386/i386.c (pic_label_name): Change to char pointer.
10410 (global_offset_table): New variable.
10411 (load_pic_register): Fill global_offset_table if it hasn't
10412 already been done. Allocate pic_label_name dynamically.
10413 * ggc.h (empty_string): New variable.
10414 * ggc-simple.c (empty_string): Likewise.
10415 (init_ggc): Allocate empty_string and add as root.
10416 * stmt.c (digit_strings): New variable.
10417 (init_stmt): Add last_block_end_note as root. Allocate and
10418 initialize digit_strings.
10419 (expand_asm_operands): Use empty_string instead of string
10420 constant. Use digit_strings instead of string constants.
10421 * profile.c (init_arc_profiler): Allocate string with
10422 ggc_alloc_string instead of xmalloc.
10423 (output_func_start_profiler): Likewise.
10424 * c-typeck.c (digest_init): Check if init is error_mark_node.
10426 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10427 Richard Henderson <rth@cygnus.com>
10429 * ggc-page.c: New file.
10430 * Makefile.in (ggc-page.o): New.
10432 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10434 * invoke.texi: Document -fdelete-null-pointer-checks
10435 * toplev.c (flag_delete_null_pointer_checks): New.
10436 (f_options): Add entry for -fdelete-null-pointer-checks.
10437 (rest_of_compilation): Conditionalize null pointer check
10438 elimination on flag_delete_null_pointer_checks.
10439 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10441 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10443 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10444 copyright notice and special exception to GPL.
10446 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10448 * abi64.h (mips_function_value): Add prototype arguments.
10450 * mips-protos.h: New file with mips prototypes.
10452 * mips.c: Include "tm_p.h".
10453 (mktemp, lookup_name): Add prototype arguments.
10454 (extern_list, string_constant, mips_fill_delay_slot,
10455 mips_output_external, mips_output_external_libcall,
10456 mips_output_filename, mips_declare_object, function_prologue,
10457 mips_expand_prologue, function_epilogue, mips16_constant,
10458 build_mips16_function_stub, mips_output_conditional_branch):
10460 (mips_va_start): Remove unused variable `u'.
10461 (mips_va_arg): Cast value to unsigned when comparing against one.
10463 (save_restore_insns, mips_expand_prologue): Add missing arg in
10464 call to `large_int'.
10466 * mips.h: Move prototypes to mips-protos.h.
10467 (data_section, memory_address_p, rdata_section,
10468 readonly_data_section, simple_epilogue_p, text_section): Delete
10469 prototypes delcared elsewhere.
10470 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10472 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10474 * mips.md: Delete extra args in call to `mips_move_2words'.
10476 * xm-iris6.h (alloca): Add prototype argument.
10478 * genpeep.c: Include "tm_p.h" in generated output file.
10480 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10482 * basic-block.h (find_edge_index): Change parameters.
10483 * flow.c (verify_edge_list): Pass basic_block parameters to
10484 find_edge_index instead of integers.
10486 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10488 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10491 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10493 * gcc.1: Fix a formatting error.
10495 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10497 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10498 i786, mn10200, mn10300, pdp11, v850.
10500 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10502 * libgcc2.c (num_digits): Add prototype with
10503 __attribute__((const)).
10504 (__terminate): Add prototype.
10506 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10508 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10510 * alpha/alpha.c (print_operand): Fix type of `code'.
10511 (alpha_output_filename): Constify.
10512 * alpha/alpha.h: Move all function declarations ...
10513 * alpha/alpha-protos.h: ... here. New file.
10514 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10515 (SECTION_FUNCTION_TEMPLATE): Likewise.
10517 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10519 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10520 * expr.c (expand_expr): Likewise.
10521 (do_jump): Likewise.
10522 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10523 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10525 (enum can_compare_purpose): New.
10526 (can_compare_p): Adjust prototype.
10527 (prepare_cmp_insn, prepare_operand): Declare.
10528 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10529 * optabs.c (cmp_available_p): Deleted.
10530 (expand_abs): Pass ccp_jump to can_compare_p.
10531 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10532 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10533 Call can_compare_p rather than cmp_available_p.
10534 (prepare_operand): No longer static.
10535 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10536 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10537 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10538 sequence to use emit_cmp_and_jump_insns.
10539 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10541 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10543 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10544 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10545 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10546 (plus (reg) (const_int 0))
10547 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10549 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10551 * rs6000.c (expand_block_move): DImode loads and stores require
10552 word-aligned displacements. Increment address registers with
10553 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10555 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10557 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10558 is no name for the base type, rather than segfault. If we are
10559 writing out a complex integer type, use DW_ATE_lo_user.
10561 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10562 in one word or less (complex char, complex short, or on 64 bit
10563 systems complex float) to/from a hard register, copy it through
10564 memory instead of dying in gen_{real,imag}part. If we have a
10565 short complex type, prevent inlining since it allocates stack
10568 * tree.c (build_complex_type): If we are writing dwarf2 output,
10569 generate a name for complex integer types.
10571 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10573 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10574 * flow.c (remove_edge): Remove extra whitespace.
10575 (remove_fake_edges): Fix comment.
10576 (add_noreturn_fake_exit_edges): Use the correct name.
10578 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10580 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10581 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10582 (clean): Depend on INTL_CLEAN.
10583 (maintainer-clean): Adjust.
10585 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10587 * configure.in (AC_PREREQ): Bump to 2.13.
10588 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10590 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10592 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10594 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10596 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10597 (HAVE_STRINGIZE): Define.
10599 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10601 * c-parse.in: save and restore warn_pointer_arith on __extension__
10602 along with pedantic.
10603 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10604 Set the type of extension to itype rather than $<itype>1 kludge.
10605 * extend.texi (Alternate Keywords): Adjust documentation.
10606 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10608 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10610 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10611 most assembler templates.
10613 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10614 FP loads and stores.
10615 (following_call): Always return zero for the PA8000.
10616 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10617 FP loads and stores.
10618 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10620 * pa.h (BRANCH_COST): Define.
10622 * pa.md (return, return_internal): Use bve for PA2.0.
10624 * pa.md (fused multiply): Add variants which reduce height for the
10625 fused multiply, but which still generate 2 insns.
10626 (fnegabs): Similarly.
10628 * pa.md (subsi3): Turn into an expander. Create two anonymous
10629 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10630 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10632 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10634 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10636 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10637 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10639 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10642 * flow.c (record_active_eh_regions): Terminate loop after finding
10643 the last insn in the last basic block.
10645 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10647 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10649 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10651 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10653 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10655 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10656 splitting to not use output template.
10658 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10660 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10661 * config/c4x/c4x.c (c4x_va_start): New function.
10663 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10665 * genrecog.c (not_both_true): Handle correctly cases when called for
10666 tests with different positions in the insn.
10668 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10670 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10672 * system.h (HOST_PTR_PRINTF): ... to here.
10674 * mips-tfile.c: Don't include machmode.h.
10676 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10677 (mips-tfile.o): Don't depend on machmode.h.
10679 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10681 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10682 avoid conflicts with typedef struct `region' at the top level scope.
10684 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10686 * basic-block.h (basic_block): Add eh_beg, eh_end.
10687 * flow.c (entry_exit_blocks): Update.
10688 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10689 Call new functions.
10690 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10691 lists.c functions to allocate insn lists.
10692 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10694 (make_eh_edge): ... here. New.
10695 (move_stray_eh_region_notes): New.
10696 (record_active_eh_regions): New.
10697 (delete_unreachable_blocks): Split out block merging ...
10698 (try_merge_blocks): ... here. New.
10699 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10700 Dump debugging data.
10701 (merge_blocks_move_successor_nojumps): Likewise.
10702 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10704 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10706 * extend.texi (Bound member functions): Document unbound pmf
10709 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10711 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10712 has the EXIT_BLOCK as a dest.
10714 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10716 * flow.c (remove_edge): New function to remove an edge from the
10718 (remove_fake_successors): New function to remove fake successor edges.
10719 (remove_fake_edges): New function to remove all fake edges from the
10721 (add_fake_exit_edges): New function to add fake edges from all blocks
10722 with no successors to the exit block.
10723 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10724 prototypes for new functions.
10726 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10728 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10729 Use Pmode to determine whether to output .dword or .word.
10731 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10733 * tree.c (built_in_filename): New variable.
10734 (BUILT_IN_FILENAME): New macro.
10735 (init_tree_codes): Allocate built_in_filename.
10736 (make_node): Use built_in_filename instead of string constant.
10738 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10740 * configure.in: Add fr30 target.
10741 * configure: Regenerate.
10742 * config/fr30: New directory.
10743 * config/fr30/crti.asm: New file.
10744 * config/fr30/fr30.c: New file.
10745 * config/fr30/crtn.asm: New file.
10746 * config/fr30/fr30.h: New file.
10747 * config/fr30/fr30.md: New file.
10748 * config/fr30/lib1funcs.asm: New file.
10749 * config/fr30/t-fr30: New file.
10750 * config/fr30/xm-fr30.h: New file.
10752 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10754 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10755 BARRIER at the end of the successor, not the BARRIER before
10758 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10760 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10762 * stmt.c (any_pending_cleanups): Don't crash when
10763 current_function->stmt is unset.
10765 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10767 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10768 other initializations that may use it for relative offsets.
10770 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10772 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10773 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10774 * config/i386/sol2dbg.h: Removed.
10775 * config/i386/sol2gas.h: New file, to enable gas work-around.
10776 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10777 Don't use sol2dbg.h.
10778 * configure: Rebuilt.
10780 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10782 * invoke.texi (-fthis-is-variable): Remove documentation.
10784 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10786 * basic-block.h (compute_bb_for_insn): Declare.
10787 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10788 to use; set size of basic_block_for_insn directly.
10789 (find_basic_blocks): Update.
10791 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10793 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10795 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10797 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10798 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10800 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10802 * c-decl.c (c_decode_option): Extend comment.
10804 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10806 * toplev.c (progname): Make 'const char *'
10807 (flag_print_mem): Move out of main.
10808 (version_flag): Move out of main.
10809 (filename): Move out of main.
10810 (debug_args): Remove g prefix from options.
10811 (documented_lang_options): Remove cpplib specific options.
10812 (display_help): Add g prefix to debug options.
10813 (check_lang_option): Delete this function.
10814 (decode_d_option): New function: Decode -d... option.
10815 (decode_f_option): New function: Decode -f... option.
10816 (decode_W_option): New function: Decode -W... option.
10817 (decode_g_option): New function: Decode -g... option.
10818 (independent_decode_option): New function: Decode a language
10819 independent command line option.
10820 (main): Invoke lang_decode_option and then
10821 independent_decode_option on each command line option in
10824 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10826 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10827 * fold-const.c (fold_range_test): Do not try to fold the range
10828 test if the rhs or lhs has side effects.
10830 * basic-block.h (compute_flow_dominators): Declare.
10832 * gcse.c (alloc_code_hoist_mem): New function.
10833 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10834 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10835 (hoist_code, one_code_hoisting_pass): Likewise.
10836 (gcse_main): If optimizing for size, then hoist expressions
10837 computed in multiple dominated basic blocks.
10839 * gcse.c (invalid_nonnull_info): New function.
10840 (delete_null_pointer_checks): Likewise.
10841 * rtl.h (delete_null_pointer_checks): Declare.
10842 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10844 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10845 (merge-blocks_move_successor_nojumps): Likewise.
10846 (merge_blocks): Allow merging of some blocks, even if it requires
10847 physical movement of the blocks, but not if it requires new jumps.
10849 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10850 Callers and prototype changed.
10851 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10853 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10855 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10856 -YP when both -p and -pg are present. From i386/sol2.h.
10858 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10860 * Makefile.in (distclean): Delete tm_p.h.
10861 * configure.in: Create a new file, "tm_p.h", from a list in
10862 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10863 "i386/i386-protos.h".
10865 * alias.c: Include "tm_p.h".
10866 * c-typeck.c: Likewise.
10867 * calls.c: Likewise.
10869 * emit-rtl.c: Likewise.
10870 * explow.c: Likewise.
10871 * expmed.c: Likewise.
10872 * expr.c: Likewise.
10873 * final.c: Likewise.
10874 * flow.c: Likewise.
10875 * fold-const.c: Likewise.
10876 * function.c: Likewise.
10877 * gcse.c: Likewise.
10878 * global.c: Likewise.
10879 * haifa-sched.c: Likewise.
10880 * integrate.c: Likewise.
10881 * jump.c: Likewise.
10882 * local-alloc.c: Likewise.
10883 * loop.c: Likewise.
10884 * optabs.c: Likewise.
10885 * recog.c: Likewise.
10886 * reg-stack.c: Likewise.
10887 * regclass.c: Likewise.
10888 * regmove.c: Likewise.
10889 * reload.c: Likewise.
10890 * reload1.c: Likewise.
10891 * reorg.c: Likewise.
10892 * resource.c: Likewise.
10893 * stmt.c: Likewise.
10894 * stor-layout.c: Likewise.
10895 * toplev.c: Likewise.
10896 * tree.c: Likewise.
10897 * unroll.c: Likewise.
10898 * genattrtab.c (main): Make generated file include "tm_p.h".
10899 * genemit.c (main): Likewise.
10900 * genoutput.c (main): Likewise.
10901 * genrecog.c (main): Likewise.
10903 * i386.h: Delete all prototypes.
10904 * i386.c: Include "tm_p.h".
10905 (ix86_attr_length_default): Call constant_call_address_operand
10906 with correct number of arguments.
10907 * i386-protos.h: New file.
10908 * i386.md (unnamed patterns): Call constant_call_address_operand
10909 with correct number of arguments.
10910 (exception_receiver): Call load_pic_register with correct number
10913 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10915 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10917 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10919 * rtl.h (insns_safe_to_move_p): New function.
10920 * loop.c (find_and_verify_loops): Use it.
10921 * rtlanal.c (insns_safe_to_move_p): Define it.
10923 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10925 * c-pragma.c: Include ggc.h.
10926 * Makefile.in (c-pragma.o): Update.
10928 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10930 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10931 (LIB_SPEC): Likewise.
10932 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10933 Reindent -YP/-p/-pg.
10934 Copied from config/sparc/sol2.h.
10936 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10938 * c-pragma.c (mark_align_stack): New.
10939 (init_pragma): New.
10940 * c-pragma.h (init_pragma): Declare it.
10941 * c-lex.c (init_parse): Call it.
10943 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10945 * configure.in: Pick up thread library on Solaris/x86 just
10946 like on Solaris/sparc.
10947 * configure: Rebuilt.
10949 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10951 * rtl.h (global_rtx_index): New enum.
10952 (global_rtl): Change to array of rtx.
10953 (pc_rtx, cc0_rtx): Redefine accordingly.
10954 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10955 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10956 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10957 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10958 (const_int_rtx): Change to array of rtx.
10959 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10961 * emit-rtl.c (global_rtl): Change to array of rtx.
10962 (const_int_rtx): Change to aray of rtx.
10963 (gen_rtx_CONST_INT): Redefine accordingly.
10964 (init_emit_once): Allocate and initialize global_rtl. Likewise
10965 for const_int_rtx. Add both as GC roots.
10966 * genattrtab.c (global_rtl): Update declaration.
10968 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10970 * Makefile (USER_H): Add iso646.h back.
10972 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10974 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10975 zapping the LOG_LINKS of sched_before_next_call.
10977 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10978 * pa.c (insn_refs_are_delayed): Renamed from
10979 insn_sets_and_refs_are_delayed.
10981 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10983 * functiion.h (struct function): Add x_whole_function_mode_p.
10984 (retrofit_block): Declare.
10985 * function.c (retrofit_block): New function.
10986 (identify_blocks): Add assertions. Allow an incomplete set of
10987 block notes if we're still generating code for the function.
10988 * integrate.c: Include loop.h.
10989 (expand_inline_function): Call find_loop_tree_blocks to map block
10990 notes to blocks when in whole-function mode. Use retrofit_block
10991 to insert new BLOCKs for the inlined function, rather than
10993 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10994 * Makefile.in (integrate.o): Depend on loop.h.
10996 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10998 * tree.h (warn_about_unused_variables): Declare.
10999 * stmt.c (warn_about_unused_variables): New function, split out
11001 (expand_end_bindings): Here.
11003 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
11005 * stmt.c (preserve_subexpressions_p): Don't crash when
11006 current_function->stmt is unset.
11008 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11010 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11011 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11012 (expand_start_target_temps): Use it.
11013 * except.c (expand_eh_region_start_for_decl): Likewise.
11014 * expr.c (expand_expr): Likewise.
11016 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11018 * fold-const.c (operand_equal_p): Pay attention to side effects.
11020 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11022 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11023 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11025 * tlink.c (scan_linker_output): Look for keywords before accepting
11026 a mangled name in quotes.
11028 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11030 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11031 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11033 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11035 * alpha.md: Revert Thu Nov 26 change that came in through the
11036 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11037 Avoid earlyclobber when possible.
11039 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11041 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11043 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11044 Define HAVE_ON_EXIT.
11046 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11048 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11049 CTYPE_CONV in all ctype macros.
11051 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11054 * cexp.y (initialize_random_junk): Likewise.
11056 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11058 * i370.c (handle_pragma): Likewise.
11060 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11062 * v850.c (override_options): Likewise.
11064 * doprint.c (_doprnt): Likewise.
11066 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11069 * fixinc/server.c (load_data): Likewise.
11071 * fold-const.c (real_hex_to_f): Likewise.
11073 * genattr.c (write_upcase, gen_attr): Likewise.
11075 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11076 write_upcase): Likewise.
11078 * genemit.c (print_code): Likewise.
11080 * genopinit.c (gen_insn): Likewise.
11082 * genpeep.c (print_code): Likewise.
11084 * genrecog.c (print_code): Likewise.
11086 * optabs.c (init_libfuncs): Likewise.
11088 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11090 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11092 (reemit_notes): Likewise.
11094 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11096 * ggc.h (ggc_root): Move to ggc-common.c.
11098 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11099 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11100 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11101 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11102 * ggc-common.c (ggc_root): Move from ggc.h.
11103 (roots): Declare, static.
11104 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11105 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11106 null or check/set mark bit.
11107 (ggc_mark_roots): New.
11108 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11110 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11112 * m32r.c: Include toplev.h.
11113 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11114 (gen_compare): Rename swap_p to must_swap to match uses.
11115 Add default abort case.
11116 (m32r_output_function_epilogue): Remove unused variables.
11117 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11118 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11119 define to empty parameter list. Update all uses.
11120 (predicate decls): Use enum machine_mode not int.
11121 * m32r.md (movsi): Call abort, not fatal_insn.
11122 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11124 1999-09-14 Andrew Haley <aph@cygnus.com>
11126 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11127 use $0 instead of 0.
11129 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11131 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11132 computation out of loop over hard regs.
11134 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11136 * function.c (identify_blocks): Don't shadow a variable in an
11138 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11139 pushdecl, or poplevel to build up the new BLOCK tree.
11140 (expand_inline_function): Likewise.
11141 (integrate_parm_decls): Likewise.
11143 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11145 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11147 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11149 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11150 * invoke.texi: Document this change.
11152 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11154 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11156 (mark_emit_status): Renamed from mark_emit_state.
11157 * except.c (mark_eh_status): Renamed from mark_eh_state.
11158 Check not null before marking.
11159 (free_eh_status): New.
11160 * expr.c (mark_expr_status, free_expr_status): New.
11161 * function.c (free_machine_status): New.
11162 (free_after_parsing): New.
11163 (free_after_compilation): Move bits to free_after_parsing; call
11164 free_eh_status, free_expr_status; zero the marked members of the
11166 (prepare_function_start): No can_garbage_collect.
11167 Call init_eh_for_function.
11168 (expand_dummy_function_end): Free up current_function state.
11169 (mark_function_status): Renamed from mark_function_state.
11170 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11171 * function.h (struct function): No can_garbage_collect.
11172 (free_machine_status, free_after_parsing): Declare.
11173 (free_eh_status, free_expr_status): Declare.
11174 * ggc.h (mark_expr_status): Declare.
11175 * stmt.c (free_stmt_status): Free the struct.
11176 (mark_stmt_status): Renamed from mark_stmt_state.
11177 (init_stmt): Don't call init_eh.
11178 (init_stmt_for_function): Don't call init_eh_for_function.
11179 * toplev.c (compile_file): Call init_eh.
11180 (rest_of_compilation): Free basic block info before ggc_collect.
11181 Call free_after_parsing; conditionally call free_after_compilation.
11182 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11183 Check not null before marking.
11184 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11186 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11188 * c-lex.c (yylex): Initialize warn.
11190 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11192 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11193 register when performing secondary reloads for the SAR register.
11195 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11197 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11198 (NOTE_BLOCK): New macro.
11199 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11200 * function.h (identify_blocks): Change prototype.
11201 * function.c (identify_blocks): Simplify.
11202 (reorder_blocks): Likewise.
11203 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11204 NOTE_INSN_BLOCK_{BEG,END}.
11205 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11206 the list of saved notes if the note isn't a
11207 NOTE_INSN_BLOCK_{BEG,END}.
11208 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11210 (reemit_notes): Adjust recreation of notes to reflect new saved
11212 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11213 printing a block note.
11214 * stmt.c (block_vector): Remove.
11215 (find_loop_tree_blocks): Simplify.
11216 (unroll_block_trees): Likewise.
11217 * tree.h (reorder_block): Change prototype.
11219 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11221 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11222 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11223 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11224 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11225 (atexit, exit): Simplify.
11226 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11227 * config/lots: Remove defns of HAVE_ATEXIT.
11229 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11231 * calls.c (precompute_arguments): Fix typo in comment.
11232 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11235 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11237 * dsp16xx.c (override_options): Fix typos in GC root registration.
11239 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11241 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11242 from config/svr4.h.
11243 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11244 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11245 (CC1_SPEC): Likewise.
11247 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * genattr.c (main): Add extern prototype. Call return, not exit.
11250 * genattrtab.c (main): Likewise.
11251 * gencheck.c (main): Likewise.
11252 * gencodes.c (main): Likewise.
11253 * genconfig.c (main): Likewise.
11254 * genemit.c (main): Likewise.
11255 * genextract.c (main): Likewise.
11256 * genflags.c (main): Likewise.
11257 * gengenrtl.c (main): Likewise.
11258 * genopinit.c (main): Likewise.
11259 * genoutput.c (main): Likewise.
11260 * genpeep.c (main): Likewise.
11261 * genrecog.c (main): Likewise.
11263 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11264 * genattrtab.c (get_insn_name): Likewise.
11265 * gencodes.c (get_insn_name): Likewise.
11266 * genconfig.c (get_insn_name): Likewise.
11267 * genemit.c (get_insn_name): Likewise.
11268 * genextract.c (get_insn_name): Likewise.
11269 * genflags.c (get_insn_name): Likewise.
11270 * genopinit.c (get_insn_name): Likewise.
11271 * genpeep.c (get_insn_name): Likewise.
11273 * gencheck.c (usage): Add static prototype.
11274 * genextract.c (print_path): Constify a char*.
11275 * genopinit.c (optabs): Likewise.
11276 * genoutput.c (operand_data, data, output_predicate_decls,
11277 compare_operands): Likewise.
11278 * genrecog.c (write_tree): Add default case in switch.
11280 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11282 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11284 * print-rtl.c (get_insn_name): Remove prototype.
11286 * toplev.h (progname): Declare const.
11288 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11289 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11290 dump_sched_info, dump_local_alloc, regset_release_memory,
11291 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11292 error_with_file_and_line, error_with_decl, error_for_asm, error,
11293 fatal, warning_with_file_and_line, warning_with_decl, warning,
11294 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11295 Remove redundant prototypes.
11297 (notice, check_lang_option, report_file_and_line, vnotice,
11298 mark_file_stack): Add static prototype.
11299 (set_fatal_function): Add prototype.
11300 (vnotice, report_file_and_line, set_fatal_function,
11301 check_lang_option): Constify a char*.
11302 (main): Prototype. Call return, not exit.
11304 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11306 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11308 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11310 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11312 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11314 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11316 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11317 behave as if it's zero in all cases.
11318 (expand_function_start): Adjust call to assign_parms.
11319 * tree.h (assign_parms): Adjust prototype.
11320 * objc/objc-act.c (hack_method_prototype): Adjust call to
11323 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11325 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11326 arg_pointer_rtx fixed if the argument pointer register is
11328 (NONZERO_BASE_PLUS_P): Likewise.
11330 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11332 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11333 match_insn2 to match_insn.
11334 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11336 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11338 * Makefile.in (USER_H): Remove va-foo.h.
11340 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11341 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11342 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11343 va-spur.h,va-v850.h}: Remove.
11345 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11347 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11348 (in_return_delay): Use it instead of match_insn.
11350 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11352 * config/alpha/va_list.h (va-alpha.h): Do not include.
11353 (__gnuc_va_list): Typedef as in varargs.h.
11355 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11357 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11358 DECL_LIVE_RANGE_RTL.
11360 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11362 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11363 not NOTE_BLOCK_NUMBER.
11364 (expand_eh_region_end): Likewise.
11365 (find_exception_handler_labels): Likewise.
11366 (scan_region): Likewise.
11367 (exception_optimize): Likewise.
11368 (update_rethrow_references): Likewise.
11369 (set_insn_eh_region): Likewise.
11370 * final.c (final_scan_insn): Likewise.
11371 * flow.c (make_edges): Likewise.
11372 * integrate.c (expand_inline_function): Likewise.
11373 * print-rtl.c (print_rtx): Likewise.
11375 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11377 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11378 terms of builtin functions and types.
11380 * mips.c (mips_build_va_list): New.
11381 (mips_va_start, mips_va_arg): New.
11382 * mips.h (BUILD_VA_LIST_TYPE): New.
11383 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11385 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11386 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11387 * sh.h (BUILD_VA_LIST_TYPE): New.
11388 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11390 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11392 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11393 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11394 (struct insn_data): Likewise with n_operands, n_dups,
11395 n_alternatives, output_format.
11396 * regclass.c (scan_one_insn): Cast n_operands to int before
11397 arithmetic inside comparison.
11399 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11401 * toplev.c (compile_function): Unconditionally emit nop.
11403 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11405 * haifa-sched.c (actual_hazard): Move declaration of variable
11406 `this_cost' into the scope where it is used.
11408 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11410 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11411 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11412 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11414 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11416 * jump.c (find_insert_position): Don't declare or define unless
11417 !HAVE_conditional_arithmetic.
11418 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11420 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11422 * recog.c (offsettable_address_p): Prototype function pointer.
11423 (preprocess_constraints): Call memset, not bzero.
11425 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11426 (gcc_obstack_init): Don't declare.
11427 (fix_sizetype): Add static prototype.
11428 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11429 (tree_cons): Call memset, not bzero.
11431 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11432 definition in macro ASM_WEAKEN_LABEL.
11433 (mark_const_hash_entry): Add static prototype.
11435 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11437 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11439 * unroll.c (find_common_reg_term, subtract_reg_term,
11440 loop_find_equiv_value): Add static prototypes.
11441 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11442 (copy_loop_body): Remove unreachable break statement.
11444 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11446 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11448 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11450 Undo some changes from the gcc2 merge:
11451 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11452 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11456 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11457 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11458 initialized float-int union if the value is a NaN.
11460 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11462 * gthr-win32.h: New file.
11464 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11465 shared as a valid attribute.
11466 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11467 * extend.texi: Document `shared' variable attribute.
11469 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11471 * configure.in: Handle --enable-threads on FreeBSD.
11472 * configure: Rebuit.
11474 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11476 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11478 * configure: Rebuilt.
11480 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11481 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11482 Rosimildo DaSilva <rdasilva@connecttel.com>
11484 * configure.in (m68k-*-rtemscoff*): Added.
11485 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11486 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11487 sparc-rtems configuration.
11488 * configure.in (sparc-*-rtemself*): Added.
11489 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11490 * config/i386/rtems.h: Added comment.
11491 * config/sparc/rtemself.h: New file.
11493 * configure.in (m68k-rtemself): Added.
11494 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11495 and DWARF_DEBUGGING_INFO.
11496 * config/m68k/crti.s: New file.
11497 * config/m68k/crtn.s: New file.
11498 * config/m68k/t-crtstuff: New file.
11499 * config/m68k/rtemself.h: New file.
11501 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11502 global ctor/dtor and C++ exception handling.
11503 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11504 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11506 * config/i386/t-rtems-i386: New File.
11508 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11510 * stmt.c (expand_end_case): Return right away if the case stack is
11513 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11515 * Makefile.in (version.c): Remove rule incorrectly brought in from
11518 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11520 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11521 * msdos/top.sed: Take into account a prepended $(SHELL) to
11523 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11525 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11527 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11529 * regmove.c (fixup_match_1): Don't change an unchanging register.
11530 (stable_but_for_p): Renamed to:
11531 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11532 Changed all callers.
11534 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11536 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11537 insn from BL2 is after the insn from BL.
11539 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11541 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11542 (struct insn_data): Merge `template' and `outfun' into `output'.
11543 Add `output_format'.
11544 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11545 (struct data): Remove `outfun'; add `output_format'.
11546 (name_for_index): Remove declaration.
11547 (output_insn_data): Handle output formats.
11548 (process_template): Emit the bare array for @.
11549 (gen_expand, gen_split): Set output_format to NONE.
11550 * output.h (get_insn_template): Declare.
11551 * final.c (get_insn_template): New.
11552 (final_scan_insn): Use it.
11553 * toplev.c (compile_file): Likewise.
11555 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11556 * i860/i860.c (output_delayed_branch): Likewise.
11557 (output_delay_insn): Likewise.
11559 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11561 * rtl.c (obstack_alloc_rtx): Removed.
11563 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11565 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11567 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11569 * i386.c (call_insn_operand): Reject const_int.
11570 (expander_call_insn_operand): Use call_insn_operand.
11572 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11574 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11576 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11578 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11579 Use DImode operation.
11581 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11583 * gcc.c: Include sys/resource.h.
11584 (report_times): New flag.
11585 (execute): If report_times is set, calculate and report the
11586 CPU time consumed by each subprocess.
11588 (rus, prus): New globals.
11589 (option_map): Add --time.
11590 (display_help): Document -time.
11591 (process_command): Set report_times if -time is given.
11592 Turn off -pipe if -time is given.
11594 * invoke.texi: Document new option -time.
11596 * configure.in: Check for getrusage. Check if we have to
11597 prototype getrusage.
11598 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11599 * configure: Regenerate.
11600 * config.in: Regenerate.
11602 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11604 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11607 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11609 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11610 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11611 (nan): Return _thenan_sf or _thenan_df as appropriate.
11612 (L_thenan_sf): Define _thenan_sf.
11613 (L_thenan_df): Define _thenan_df.
11615 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11616 (DPBIT_FUNCS): Add _thenan_df.
11618 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11620 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11623 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11625 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11628 (lang_specific_driver): Don't take a function pointer parameter.
11629 All callers changed.
11631 * gcc.c: Include gcc.h.
11632 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11633 lang_specific_extra_outfiles, fatal): Don't declare.
11634 (multilib_defaults_raw): Constify.
11635 (read_specs): Call memset, rather than bzero.
11636 (main): Call return, not exit.
11637 (lookup_compiler): Call memcpy, not bcopy.
11638 (fatal): Make extern.
11640 * cppspec.c: Include gcc.h.
11641 (lang_specific_driver): Initialize variable `quote'. Constify a
11642 char*. All calls to the function pointer parameter now
11643 explicitly call `fatal'.
11645 * gccspec.c (lang_specific_driver): Include gcc.h.
11647 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11649 * arm.c (note_invalid_constants): Use recog_data.operand_type
11652 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11654 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11657 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11658 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11659 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11660 reload_secondary_in_reload, reload_secondary_out_reload,
11661 reload_secondary_in_icode, reload_secondary_out_icode,
11662 reload_reg_rtx, reload_when_needed): Delete declarations.
11663 (struct reload): New structure.
11664 (rld): Declare new array.
11665 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11666 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11667 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11668 reload_secondary_in_reload, reload_secondary_out_reload,
11669 reload_secondary_in_icode, reload_secondary_out_icode,
11670 reload_reg_rtx, reload_when_needed): Delete definitions.
11672 (whole file): Replace uses of the deleted arrays with uses of rld.
11673 * reload1.c (whole file): Replace uses of the deleted arrays with
11675 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11676 explicit loops, not with bcopy.
11678 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11680 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11681 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11682 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11683 insn_name): Delete and consolidate into new structures.
11684 (insn_operand_predicate_fn): New.
11685 (insn_output_fn): New.
11686 (insn_gen_fn): New.
11687 (struct insn_operand_data): New.
11688 (struct insn_data): New.
11690 (OUT_FCN): Update for insn_data change.
11691 * builtins.c (expand_builtin_strlen): Likewise.
11692 (expand_builtin_memcmp): Likewise.
11693 * combine.c (make_extraction, simplify_comparison): Likewise.
11694 * cse.c (canon_reg, cse_insn): Likewise.
11695 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11696 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11697 (emit_store_flag): Likewise.
11698 * expr.c (convert_move, emit_block_move): Likewise.
11699 (clear_storage, emit_push_insn, expand_increment): Likewise.
11700 (do_store_flag): Likewise.
11701 * expr.h (GEN_FCN): Likewise.
11702 (insn_gen_function): Die.
11703 * final.c (final_scan_insn): Update for insn_data change.
11704 (output_asm_name): Likewise.
11705 * function.c (fixup_var_refs_1): Likewise.
11706 * loop.c (check_dbra_loop): Likewise.
11707 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11708 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11709 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11710 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11711 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11712 * regmove.c (gen_add3_insn): Likewise.
11713 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11714 (find_reloads, find_reloads_address_1): Likewise.
11715 (debug_reload_to_stream): Likewise.
11716 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11717 * stmt.c (expand_end_case): Likewise.
11718 * toplev.c (compile_file): Likewise.
11720 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11721 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11723 * print-rtl.c (insn_name_ptr): Remove declaration.
11724 (get_insn_name): Declare.
11725 (print_rtx): Use it.
11726 * genoutput.c (insn_name_ptr): Remove.
11727 (next_operand_number): New.
11728 (struct operand_data): New.
11729 (null_operand, odata, odata_end): New.
11730 (struct data): Use struct operand_data.
11731 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11732 (get_insn_name): Renamed from name_for_index.
11733 (output_prologue): Define NO_MD_PROTOTYPES.
11734 (output_predicate_decls): Break out from output_epilogue.
11735 Iterate over the operands list.
11736 (output_operand_data): Break out from output_epilogue. Emit
11737 just the operands list.
11738 (output_insn_data): Break out from output_epilogue. Emit just
11740 (output_epilogue): Remove.
11741 (output_get_insn_name): New.
11742 (constraints, op_n_alternatives, predicates, address_p): Die.
11743 (modes, strict_low, seen): Die.
11744 (scan_operands): Take new param `d' instead of writing to
11745 seven global variables.
11746 (compare_operands): New.
11747 (place_operands): New.
11748 (validate_insn_alternatives): Update for struct data change.
11749 (gen_insn): Don't zero or copy 7 global arrays. Update for
11750 scan_operands; call place_operands.
11751 (gen_peephole, gen_expand, gen_split): Likewise.
11752 (main): Update for new output routines.
11754 * genattr.c (insn_name_ptr): Remove.
11755 (get_insn_name): New function.
11756 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11757 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11758 * genrecog.c: Likewise.
11760 * alpha.md (adddi3): Make `pattern' array static.
11762 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11764 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11765 c4x_cpu_version_string): Constify char *.
11766 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11767 c4x_cpu_version_string): Likewise.
11769 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11771 * tree.c (save_tree_status): Revert 10 Sep change.
11772 (restore_tree_status): Likewise. Call obstack_free with NULL
11773 before freeing the obstack proper.
11775 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11777 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11779 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11780 surrounding context.
11782 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11784 * tree.c (type_hash_canon): Put all types in the hash-table, when
11787 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11789 * recog.h (struct recog_data, recog_data): New.
11790 (recog_foo variables): Kill.
11791 * recog.c (recog_operand, recog_operand_loc): Kill.
11792 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11793 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11794 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11795 (recog_data): Define.
11796 (extract_insn): Update all recog_foo references to use recog_data.
11797 (preprocess_constraints, constrain_operands): Likewise.
11798 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11799 * genattrtab.c (main): Likewise.
11800 * genextract.c (main): Likewise.
11801 * genoutput.c: Likewise.
11802 * genrecog.c (write_subroutine, main): Likewise.
11803 * local-alloc.c (block_alloc): Likewise.
11804 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11805 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11806 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11807 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11808 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11809 (reload_cse_simplify_operands): Likewise.
11811 * arc/arc.c (arc_final_prescan_insn): Likewise.
11812 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11813 * h8300/h8300.c (notice_update_cc): Likewise.
11814 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11815 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11816 * mn10200/mn10200.c (notice_update_cc): Likewise.
11817 * mn10300/mn10300.c (notice_update_cc): Likewise.
11818 * romp/romp.c (update_cc): Likewise.
11819 * sparc/sparc.c (check_pic): Likewise.
11820 * v850/v850.c (notice_update_cc): Likewise.
11822 * genemit.c (main): Don't declare recog_operand.
11824 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11826 * ggc.h (rtvec_def): Forward declare.
11827 (tree_node): Likewise.
11828 (ggc_root): Define.
11830 (ggc_set_mark_rtx): Add prototype.
11831 (ggc_set_mark_rtvec): Likewise.
11832 (ggc_set_mark_tree): Likewise.
11833 * ggc-simple.c (ggc_root): Don't define.
11834 (roots): Don't declare.
11835 (ggc_mark_rtx): Remove.
11836 (ggc_mark_rtvec): Likewise.
11837 (ggc_mark_tree): Likewise.
11838 (ggc_mark_varray): Likewise.
11839 (ggc_mark_tree_hash_table_entry): Likewise.
11840 (ggc_mark_tree_hash_table): Likewise.
11841 (ggc_set_mart_rtx): New function.
11842 (ggc_set_mark_rtvec): Likewise.
11843 (ggc_set_mark_tree): Likewise.
11844 (ggc_add_root): Remove.
11845 (ggc_add_rtx_root): Likewise.
11846 (ggc_remove_tree_root): Likewise.
11847 (ggc_add_string_root): Likewise.
11848 (ggc_add_tree_varray_root): Likewise.
11849 (ggc_add_tree_hash_table_root): Likewise.
11850 (ggc_del_root): Likewise.
11851 (ggc_mark_rtx_ptr): Likewise.
11852 (ggc_mark_tree_ptr): Likewise.
11853 (ggc_mark_string_ptr): Likewise.
11854 (ggc_mark_tree_varray_ptr): Likewise.
11855 (ggc_mark_tree_hash_table_ptr): Likewise.
11856 * ggc-common.c: New file.
11857 * Makefile.in (OBJS): Add ggc-common.o.
11858 (ggc-common.o): List dependencies.
11860 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11862 * cppalloc.c (xstrdup): Use memcpy.
11863 * cpperror.c (cpp_print_containing_files): Don't use
11865 * cpplib.c (conditional_skip): Set temp->lineno.
11866 (do_endif): Make error message less obscure.
11867 (if_directive_name): New function.
11868 (cpp_get_token [case EOF]): Unwind the if stack and generate
11869 error messages for each unterminated conditional in this file.
11870 (parse_string): Do not behave differently if -traditional.
11872 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11874 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11875 va_list decomposing to pointer-type.
11876 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11877 (rs6000_va_arg): Likewise.
11879 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11881 * except.c (start_dynamic_handler): Compute size using
11882 STACK_SAVEAREA_MODE.
11884 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11886 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11887 include directory headers. Don't define strrchr. Don't provide
11888 my_* replacement functions. Prefer PTR over `pointer_type'.
11889 Don't prototype system functions. Don't redefine getopt.
11891 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11892 safe_read, safe_write, save_pointers, restore_pointers,
11893 is_id_char, in_system_include_dir, directory_specified_p,
11894 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11895 find_corresponding_lparen, referenced_file_is_newer,
11896 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11897 process_aux_info_file, identify_lineno, check_source,
11898 seek_to_line, forward_to_next_token_char, output_bytes,
11899 output_string, output_up_to, other_variable_style_function,
11900 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11901 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11902 find_static_definition, connect_defs_and_decs, add_local_decl,
11903 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11904 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11905 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11906 scan_for_missed_items, edit_file, string_list_cons): Add static
11908 (standard_exec_prefix, target_machine, target_version,
11909 default_syscalls_dir, string_list, string_list_cons, find_file,
11910 do_cleaning): Constify a char*.
11911 (safe_read, safe_write): Use PTR, not a char*.
11912 (is_id_char): Take an int, not a char.
11913 (main): Add prototype. Call return, not exit.
11915 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11917 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11918 when comparing types.
11920 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11922 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11923 (strength_reduce): Release the varrays from the no-bivs early exit.
11925 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11926 the loop over the registers.
11928 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11930 (restore_tree_status): Check that instead when freeing the obstack.
11932 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11934 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11937 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11939 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11940 operand size modifiers.
11942 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11944 * c-common.c (c_common_nodes_and_builtins): Don't build
11946 * c-common.h (enum c_tree_index and related accesor macros): Remove
11947 everything now declared in tree.h.
11948 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11949 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11950 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11951 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11952 unsigned_type_node, ptr_type_node, va_list_type_node,
11953 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11954 (init_decl_processing): Call build_common_tree_nodes and
11955 build_common_tree_nodes_2 instead of building their nodes here.
11956 Don't add roots for these nodes.
11957 * stor-layout.c (size_zero_node, size_one_node): Delete.
11958 (set_sizetype): Make a new node for bitsizetype each time.
11959 * tree.c (global_trees): New variable.
11960 (init_obstacks): Add a gc root for it.
11961 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11962 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11963 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11964 (build_common_tree_nodes): New function.
11965 (fix_sizetype): New function.
11966 (build_common_tree_nodes_2): New function.
11967 * tree.h (enum tree_index): New.
11968 (global_trees): Declare.
11969 Add accessor macros for all nodes now moved to global_trees.
11970 Delete their declarations.
11972 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11974 * c-decl.c (finish_function): When processing a nested function,
11975 push and pop GC context around rest_of_compilation.
11977 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11979 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11980 Default ix86_arch to PROCESSOR_I386.
11981 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11982 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11983 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11984 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11985 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11986 (EXTRA_SPECS): Remove deleted specs.
11988 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11990 * function.c (assign_stack_local_1): Allocate from
11991 function->x_frame_offset, not frame_offset.
11993 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11995 * ggc.h (lang_cleanup_tree): Remove.
11996 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11997 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11999 * c-decl.c (finish_struct): Use ggc_alloc to allocate
12000 TYPE_LANG_SPECIFIC when garbage collecting.
12001 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
12002 (lang_cleanup_tree): Remove.
12004 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12006 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12007 * crtstuff.c: Not here.
12008 * dwarf2out.c: Or here.
12009 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12012 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12014 * function.h (free_after_compilation): Remove decl parameter.
12015 (free_varasm_status0: Likewise.
12016 (free_emit_status): Likewise.
12017 (free_stmt_status): Likewise.
12018 (free_after_compilation): Likewise.
12019 (init_lang_status): New variable.
12020 (free_lang_status): Likewise.
12021 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12022 * function.c (init_lang_status): New variable.
12023 (free_lang_status): Likewise.
12024 (push_function_context_to): Don't set function::decl here.
12025 (free_after_copmilation): Make decl parameter implicit. Call
12026 free_lang_status if defined.
12027 (prepare_function_start): Call init_lang_status if defined.
12028 (init_function_start): Set function::decl here.
12029 * profile.c (output_func_start_profiler): Don't call pushdecl
12030 until we've actually started the function.
12031 * stmt.c (free_stmt_status): Make decl parameter implicit.
12032 * toplev.c (rest_of_compilation): Don't pass decl to
12033 free_after_compilation.
12034 * varasm.c (free_varasm_status): Likewise.
12036 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12038 * except.c (call_get_eh_context): Add root when allocating static
12041 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12043 * arm.c: Include "ggc.h".
12044 (arm_add_gc_roots): New function.
12045 (arm_override_options): Call it.
12046 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12048 * arm.md (define_asm_attributes): Add a pool_range attribute.
12050 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12052 * extend.texi (Volatiles): New node.
12054 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12056 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12057 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12058 (struct ggc_any): Replace `mark' with `magic_mark'.
12059 (ggc_alloc_string): Use memcpy, not bcopy.
12060 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12061 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12062 (ggc_free_any): New.
12063 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12064 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12065 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12066 Use IS_MARKED. Use ggc_free_any.
12068 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12070 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12072 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12074 * toplev.c (main): Always init_ggc.
12076 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12078 * except.c (find_all_handler_type_matches): Free the list if
12079 we found no matches.
12081 * combine.c (SUBST): Break out to a real function do_SUBST.
12082 (SUBST_INT): Likewise.
12083 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12084 (pre_insert): Free `inserted'.
12085 * loop.c (basic_induction_var): Always set `location'.
12087 * function.c (expand_function_end): Add initial_trampoline as a root.
12088 * rtl.h (init_varasm_once): Declare.
12089 * toplev.c (compile_file): Call it.
12090 * ggc-simple.c (ggc_mark_string_ptr): New.
12091 (ggc_add_string_root): New.
12092 (ggc_collect): Disable collection avoidance temporarily.
12093 * ggc.h (ggc_add_string_root): Declare.
12094 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12095 * optabs.c (init_libfuncs): Likewise.
12096 * varasm.c (named_section): Use ggc_alloc_string.
12097 (make_function_rtl): Likewise.
12098 (make_decl_rtl): Likewise.
12099 (assemble_static_space): Likewise.
12100 (assemble_trampoline_template): Likewise.
12101 (output_constant_def): Likewise.
12102 (force_const_mem): Likewise.
12103 (mark_const_hash_entry): New.
12104 (mark_pool_sym_hash_table): New.
12105 (mark_varasm_state): Use it.
12106 (init_varasm_once): New.
12108 * expr.h (init_one_libfunc): Declare.
12109 * optabs.c (init_one_libfunc): New.
12110 (init_optabs): Use it.
12111 * config/gofast.h: Likewise.
12112 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12113 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12115 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12117 * Makefile.in (cppexp.o): Depend on cpphash.h.
12118 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12120 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12121 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12122 redefining poisoned identifiers, etc.
12123 (do_undef): Don't allow poisoned identifiers to be undefined.
12124 (do_pragma): Add #pragma poison.
12125 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12127 * cccp.c: Add T_POISON node type.
12128 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12130 (do_define): Generalise to handle poisoned definitions,
12131 redefining poisoned identifiers, etc.
12132 (do_undef): Don't allow poisoned identifiers to be undefined.
12133 (do_pragma): Add #pragma poison.
12134 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12136 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12137 * c-pragma.h: Add ps_poison state. We now always have generic
12140 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12142 * ggc.h (ggc_alloc): New function.
12143 (ggc_mark): Likewise.
12144 * ggc-simple.c (ggc_any): New structure.
12145 (ggc_status): Add anys.
12146 (n_anys_collected): New variable.
12147 (ggc_alloc): Define.
12148 (ggc_mark): Likewise.
12149 (ggc_collect): Collect the anys.
12151 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12153 * c-decl.c (mark_binding_level): Make static to match prototype.
12155 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12157 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12159 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12161 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12162 will use into account. Expand the max width to 5.
12165 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12167 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12168 for the rtx length.
12170 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12172 * alpha.md (call value patterns): Remove the result predicates.
12174 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12176 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12179 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12181 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12182 changed from extern char *, to extern PTR. Also fix typo in
12183 NEED_DECLARATION_REALLOC test.
12185 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12187 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12189 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12190 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12191 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12192 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12194 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12196 * cccp.c (pcfinclude): Likewise.
12198 * global.c (allocno_compare): Likewise.
12200 * haifa-sched.c (rank_for_schedule): Likewise.
12202 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12204 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12206 * stupid.c (stupid_reg_compare): Likewise.
12208 * tree.c (_obstack_allocated_p): Likewise.
12210 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12212 1999-09-08 Bruce Korb autogen@linuxbox.com
12214 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
12215 why "gperf -F" fails.
12216 * gcc/cp/Makefile.in: ditto
12217 * gcc/Makefile.in: ditto
12218 * gcc/java/Makefile.in: ditto
12220 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12222 * lists.c: Include ggc.h.
12224 (init_EXPR_INSN_LIST_cache): Install it.
12226 * ggc-simple.c (init_ggc): Absorb the old init.
12227 (ggc_push_context): Use xcalloc.
12228 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12229 (ggc_collect): Add [rvts] tags to the collection stats.
12231 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12233 * cccp.c (main): Fix handling of -include and -imacros options.
12235 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12237 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12239 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12241 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12244 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12246 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12247 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12248 and SET_DEST. Update comment.
12250 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12252 * config/c4x/c4x.c: Include ggc.h.
12253 (c4x_add_gc_roots): New function.
12254 (c4x_override_options): Call c4x_add_gc_roots.
12256 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12258 * defaults.h (TARGET_ESC): Move ...
12259 * system.h: ... here, where Linas had it in the first place. Silly me.
12261 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12263 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12264 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12265 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12266 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12267 * defaults.h (TARGET_ESC): Add default.
12269 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12271 * configure.in: add i370-*-openedition, i370-*-mvs and
12272 i370-*-linux targets
12274 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12276 * dsp16xxx.c: Include ggc.h
12277 (override_options): Mark GC roots.
12278 * mn10200.c: Include ggc.h.
12279 (asm_file_start): Mark GC roots.
12280 * tahoe.c: Include ggc.h.
12281 (extensible_operand): Mark GC roots.
12283 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12285 * README: Add section discussing status of ELF ABI.
12286 * i370.c: Fix misc spelling mistakes.
12287 (i370_label_scan): Updated notes, exception handling.
12288 (i370_function_prolog): Simplify ELF stack handling.
12289 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12290 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12291 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12292 * i370.md: (movdi): Add notes.
12293 (floatsidf2): Use stack not rtca for scratch float area.
12294 (iorsi3): Correct operand constraints.
12295 * x-oe: Restore TAROUTOPTS which are used by pax.
12297 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12299 * rs6000.c: Include ggc.h.
12300 (rs6000_add_gc_roots): New function.
12301 (override_options): Call it.
12303 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12305 * alpha.h (alpha_compare): New.
12306 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12307 * alpha.c: Likewise for the definitions.
12308 (alpha_emit_conditional_branch): Update for alpha_compare.
12309 (alpha_emit_conditional_move): Likewise.
12310 * alpha.md (cmpdf, cmpdi): Likewise.
12311 (setcc patterns): Likewise. Zero alpha_compare after use.
12312 (sne): Optimize (x != 0) into (0U < x).
12314 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12316 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12317 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12318 (INIT_EXPANDERS): Remove.
12319 * alpha.c: Include ggc.h.
12320 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12321 (alpha_init_machine_status, alpha_mark_machine_status): New.
12322 (override_options): Install them.
12323 (struct machine_function): Moved to alpha.h.
12324 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12325 (alpha_init_expanders): Remove.
12326 (alpha_return_addr): Adjust to use current_function->machine.
12327 (alpha_ra_ever_killed): Likewise.
12328 (alpha_expand_epilogue): Likewise.
12329 * alpha.md (eh_epilogue): Likewise.
12331 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12332 Melissa O'Neill <oneill@cs.sfu.ca>
12333 Geoffrey Keating <geoffk@cygnus.com>
12335 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12336 call-used registers (call-saved registers must still be contiguous
12337 and end with r31, of course).
12339 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12341 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12342 (self_promoting_type_p): Delete.
12343 (self_promoting_args_p): Move ...
12344 * c-common.c: ... here.
12345 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12346 (simple_type_promotes_to): New.
12347 * builtins.c (lang_type_promotes_to): New.
12348 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12349 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12350 * c-common.h: ... here.
12351 (self_promoting_args_p, simple_type_promotes_to): Declare.
12352 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12353 (grokdeclarator): Likewise.
12354 * tree.h (lang_type_promotes_to): Declare.
12356 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12358 Add some machine-dependent GC roots.
12359 * sparc.c: Include ggc.h.
12360 (sparc_add_gc_roots): New function.
12361 (mark_ultrasparc_pipeline_state): Likewise.
12362 (override_options): Call sparc_add_gc_roots.
12363 * pa.c: Include ggc.h.
12364 (pa_add_gc_roots): New function.
12365 (mark_deferred_plabels): Likewise.
12366 (override_options): Call pa_add_gc_roots.
12367 * mips.c: Include ggc.h.
12368 (mips_add_gc_roots): New function.
12369 (override_options): Use it.
12371 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12373 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12375 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12376 cpp_parse_expr): Add static prototypes.
12377 (parse_charconst): Don't cast away const-ness.
12378 (token): Constify a char*.
12380 * cppfiles.c (file_name_list, include_hash, find_include_file,
12381 finclude, initialize_input_buffer): Constify a char*.
12382 (file_cleanup, find_position): Add static prototypes.
12384 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12385 collect_expansion): Add static prototypes.
12386 (cpp_install, create_definition, monthnames): Constify a char*.
12388 * cpphash.h (cpp_install): Likewise.
12390 * cppinit.c (known_suffixes, default_include,
12391 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12392 (base_name, dump_special_to_buffer, initialize_dependency_output):
12393 Add static prototypes.
12395 * cpplib.c (my_strerror): Constify a char*.
12396 (null_underflow, null_cleanup, skip_comment, copy_comment,
12397 copy_rest_of_line, handle_directive, pass_thru_directive,
12398 get_directive_token, read_line_number, cpp_print_file_and_line,
12399 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12400 v_cpp_warning_with_line, detect_if_not_defined,
12401 consider_directive_while_skipping): Add static prototypes.
12402 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12403 cpp_pedwarn_with_file_and_line): Constify a char*.
12405 * cpplib.h (cpp_options, include_hash, progname, definition,
12406 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12407 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12408 find_include_file, deps_output, include_hash): Constify a char*.
12410 * cppmain.c (progname): Constify.
12411 (main): Add prototype. Use return, not exit.
12413 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12414 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12415 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12416 check_protection): Add static prototype.
12418 (progname, recognized_macrom, recognized_extern): Constify a char*.
12419 (main): Add prototype.
12421 * gen-protos.c (progname): Constify a char*.
12423 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12425 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12426 (init_emit_once): Add more GC roots.
12427 * except.c (mark_func_eh_entry): New function.
12428 (mark_eh_node): Mark false_label and rethrow_label.
12429 (init_eh): Add more GC roots.
12430 * function.c (free_after_compilation): Take decl as a paramter.
12431 Call free_stmt_status.
12432 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12434 * function.h (free_after_compilation): Change prototype.
12435 (free_varasm_status): Likewise.
12436 (free_emit_status): Likewise.
12437 (free_stmt_status): New function.
12438 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12439 Remove, replacing with ...
12440 (ggc_status): New structure.
12441 (ggc_chain): New variable.
12442 (init_gcc): Define.
12443 (ggc_push_context): New function.
12444 (ggc_pop_context): Likewise.
12445 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12446 (ggc_alloc_rtvec): Likewise.
12447 (ggc_alloc_tree): Likewise.
12448 (ggc_alloc_string): Likewise.
12449 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12450 (ggc_mark_tree): Give language-dependent code a chance to mark
12452 (ggc_mark_tree_varray): Handle empty arrays.
12453 (ggc_collect): Adjust for use of ggc_chain. Clear
12454 bytes_alloced_since_last_gc.
12455 * ggc.h (ggc_pop_context): New function.
12456 (ggc_push_context): Likewise.
12457 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12458 * stmt.c (free_stmt_status): New function.
12459 (init_stmt_for_function): Clear last_expr_value.
12460 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12461 Conditionalize call to ggc_collect.
12462 (main): Call init_ggc.
12463 * tree.c (push_obstacks): Do the push, even when GC'ing.
12464 (push_obstacks_nochange): Likewise.
12465 (pop_obstacks): Liekwise.
12466 * varasm.c (free_varasm_status): Take decl as a parameter.
12468 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12470 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12471 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12472 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12473 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12475 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12477 * pa/x-pa-mpeix: New file for the MPE port.
12479 * pa/quadlib.asm: New file for long double support.
12481 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12482 * configure: Rebuilt.
12484 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12486 * final.c (shorten_branches): Fix last change.
12488 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12490 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12492 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12494 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12497 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12499 * c-aux-info.c (concat): Don't define.
12501 * cccp.c (my_strerror): Likewise. All callers changed to use
12503 (do_include): Call xstrdup, not xmalloc/strcpy.
12504 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12505 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12507 * collect2.c (my_strsignal): Likewise. All callers changed to use
12509 (locatelib): Call xstrdup, not xmalloc/strcpy.
12511 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12513 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12515 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12517 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12519 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12521 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12523 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12525 (find_all_handler_type_matches): Likewise. Don't check return
12527 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12528 xmalloc, not malloc.
12529 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12531 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12532 (init_spec): Call xcalloc, not xmalloc/bzero.
12533 (set_spec): Call xstrdup, not save_string.
12534 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12535 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12536 (process_command): Call xstrdup, not save_string.
12537 (main): Call xcalloc, not xmalloc/bzero.
12539 * gcov.c (xmalloc): Don't define.
12540 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12541 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12542 (output_data): Call xcalloc, not xmalloc/bzero.
12544 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12546 * mips-tdump.c (xmalloc): Don't define.
12547 (print_symbol): Call xmalloc, not malloc.
12548 (read_tfile): Call xcalloc, not calloc.
12550 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12551 Don't define. All callers of xfree/my_strsignal changed to use
12552 free/strsignal instead.
12553 (allocate_cluster): Call xcalloc, not calloc.
12555 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12556 Fix memory leak, free allocated memory.
12558 * prefix.c (translate_name): Call xstrdup, not save_string.
12559 (update_path): Likewise.
12561 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12563 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12564 Don't define. Callers of xfree/savestring2 changed to use
12565 free/concat instead.
12567 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12568 (init_elim_table): Likewise.
12570 * resource.c (init_resource_info): Likewise.
12572 * stupid.c (stupid_life_analysis): Likewise.
12574 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12575 (open_dump_file): Call concat, not xmalloc/strcpy/...
12576 (clean_dump_file): Likewise.
12577 (compile_file): Call xstrdup, not xmalloc/strcpy.
12579 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12581 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12582 * v850.c (v850_va_arg): New.
12584 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12586 * haifa-sched.c: Tidy comments.
12588 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12590 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12591 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12592 $(out_object_file)): Depend on ggc.h.
12593 * c-common.c: Include "ggc.h".
12594 (combine_strings): If doing GC, use ggc_alloc_string.
12595 * c-decl.c: Include "ggc.h".
12596 (ggc_p): Define with value 0.
12597 (mark_binding_level): New function.
12598 (init_decl_processing): Add GC roots.
12599 (mark_c_function_context): New function.
12600 (lang_mark_false_label_stack): New function.
12601 (lang_mark_tree): New function.
12602 (lang_cleanup_tree): New function.
12603 * c-lang.c: Include "ggc.h".
12604 (lang_init): Call c_parse_init.
12605 * c-lex.c: Include "ggc.h".
12606 (check_linenum): If doing GC, don't copy filenames to permanent
12608 * c-parse.in: Include "ggc.h".
12609 (c_parse_init): New function.
12610 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12611 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12613 * except.c (mark_eh_state): Mark more state.
12614 * function.c (mark_function_state): Likewise.
12615 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12616 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12617 * toplev.c (mark_file_stack): New function.
12618 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12619 (main): Add root for input_file_stack.
12621 * i386.c: Include "ggc.h".
12622 (ix86_mark_machine_status): New function.
12623 (override_options): Set mark_machine_status.
12625 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12627 * tree.c (copy_node): Copy node contents also if doing GC.
12629 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12631 * collect2.c (scan_libraries): Fix double-thinko :-).
12633 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12635 * collect2.c (scan_libraries): Fix thinko.
12637 * cse.c (delete_trivially_dead_insns): Do not skip the last
12638 insn if it is a real insn.
12640 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12642 * Makefile.in (ggc-simple.o): Depend on hash.h.
12643 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12644 (ggc_mark_tree_varray): Likewise.
12645 (ggc_mark_tree_hash_table): Likewise.
12646 * ggc-simple.c: Include hash.h.
12647 (ggc_mark_tree_hash_table_ptr): New function.
12648 (ggc_mark_tree_hash_table_entry): Likewise.
12649 (ggc_mark_tree_hash_table): Likewise.
12650 (ggc_add_tree_hash_table_root): Likewise.
12651 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12652 rtx, when defining fields.
12654 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12656 * profile.c (output_func_start_profiler): Remove apparently
12657 nonsensical call to start_sequence.
12659 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12661 * clipper/clipper.c (clipper_va_start): Fix typos.
12663 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12664 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12665 (spur_va_arg): New stub.
12667 * configure.in: Comment out pyramid.
12669 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12671 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12672 don't conflict with the bits that win32, cygwin, and dgux
12675 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12676 Bernd Schmidt <bernds@cygnus.co.uk>
12678 * integrate.c (function_cannot_inline_p): Do not inline
12679 functions with forced labels.
12681 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12682 Bernd Schmidt <bernds@cygnus.co.uk>
12683 Mark Mitchell <mark@codesourcery.com>
12685 * Makefile.in (ggc-simple.o): Depend on varray.h.
12686 (rtl.o): Depend on ggc.h.
12687 (genattrtab.o): Depend on ggc.h.
12688 (print-tree.o): Likewise.
12689 (fold-const.o): Likewise.
12690 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12691 (make_insn_raw): Don't cache insns when GC'ing.
12692 (emit_insn_before): Likewise.
12693 (emit_insn_after): Likewise.
12694 (emit_insn): Likewise.
12695 (start_sequence): Use xmalloc to allocate the sequence_stack.
12696 (end_sequence): Add free to free it.
12697 (gen_sequence): Don't cache insns when GC'ing.
12698 (clear_emit_caches): Don't use sequence_element_free_list.
12699 (init_emit): Use xcalloc, not xmalloc+bzero.
12700 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12701 * function.c (pop_function_context_from): Use free to free the
12702 fixup_var_refs_queue.
12703 (put_reg_into_stack): Allocate it with xmalloc.
12704 * genattrtab.c: Include ggc.h.
12705 (operate_exp): Don't use obstack_free when GC'ing.
12706 (simplify_cond): Likewise.
12707 (simplify_text_exp): Likewise.
12708 (optimize_attrs): Likewise.
12709 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12711 (gencode): Generate a #include for ggc.h.
12712 * ggc-callbacks.c (ggc_p): Define it to zero.
12713 * ggc-none.c (ggc_p): Likewise.
12714 * ggc-simple.c: Include varray.h.
12715 (ggc_mark_tree_varray): New function.
12716 (ggc_add_tree_varray_root): Likewise.
12717 (ggc_mark_tree_varray_ptr): Likewise.
12718 * ggc.h (ggc_p): Declare.
12719 (varray_head_tag): Likewise.
12720 (ggc_add_tree_varray_root): Declare.
12721 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12722 inconsistencies when GC'ing.
12723 * rtl.c: Include ggc.h.
12724 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12725 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12726 (rtx_free): Don't call obstack_free when GC'ing.
12727 * toplev.c (rest_of_compilation): Call ggc_collect after every
12729 * tree.c (push_obstacks): Do nothing, if GC'ing.
12730 (pop_obstacks_nochange): Likewise.
12731 (pop_obstacks): Likewise.
12732 (make_node): Use ggc_alloc_tree when GC'ing.
12733 (copy_node): Likewise.
12734 (get_identifier): Use ggc_alloc_string when GC'ing.
12735 (build_string): Likewise.
12736 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12737 (tree_cons): Likewise.
12738 (build1): Likewise.
12739 (type_hash_canon): Don't call obstack_free when GC'ing.
12741 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12743 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12744 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12746 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12747 Bernd Schmidt <bernds@cygnus.co.uk>
12748 Mark Mitchell <mark@codesourcery.com>
12750 * Makefile.in (stor-layout.o): Depend on ggc.h.
12751 (expr.o): Depend on ggc.h.
12752 (profile.o): Depend on ggc.h.
12753 (stor-layout.o): Depend on ggc.h.
12754 * emit-rtl.c (init_emit_once): Add gc roots.
12755 * expr.c: Include ggc.h.
12756 (emit_block_move): Add gc roots.
12757 (clear_storage): Likewise.
12758 * expr.h (init_stor_layout_once): New function.
12759 * profile.c: Include ggc.h.
12760 (init_arc_profiler): profiler_label is a root.
12761 * scan.c (make_sstring_space): Trust xrealloc to function
12762 correctly with first parameter NULL.
12763 * stor-layout.c: Include ggc.h.
12764 (set_sizetype): Add gc root.
12765 (init_stor_layout_once): New function.
12766 * toplev.c (compile_file): Call it.
12768 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12769 Bernd Schmidt <bernds@cygnus.co.uk>
12770 Mark Mitchell <mark@codesourcery.com>
12772 * Makefile.in (tree.o): Depend on ggc.h.
12773 (varasm.o): Likewise.
12774 (function.o): Likewise.
12775 (stmt.o): Likewise.
12776 (except.o): Likewise.
12777 (optabs.o): Likewise.
12778 (emit-rtl.o): Likewise.
12779 * emit-rtl.c: Include ggc.h.
12780 (sequence_element_free_list): Remove, and all references.
12781 (mark_sequence): New functions.
12782 (mark_emit_state): New function.
12783 * except.c: Include ggc.h.
12784 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12785 (mark_tree_label_node): New functions.
12786 (mark_eh_state): New function.
12787 * function.c: Include ggc.h.
12788 (mark_temp_slot, mark_function_chain): New functions.
12789 (mark_function_state): New function.
12790 (init_function_once): New function.
12791 * function.h (init_function_once): New function.
12792 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12793 * ggc.h (label_node): Declare.
12794 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12795 (lang_mark_false_label_stack): New function.
12796 (mark_temp_slot): Remove declaration.
12797 (mark_function_chain): Likewise.
12798 (mark_eh_state): Adjust prototype.
12799 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12801 * optabs.c: Include ggc.h.
12802 (mark_optab): New function.
12803 (init_optabs): Add gc roots.
12804 * stmt.c: Include ggc.h.
12805 (mark_cond_nesting, mark_loop_nesting): New functions.
12806 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12807 (mark_stmt_state): New function.
12808 * toplev.c (compile_file): Call init_function_once.
12809 * tree.c: Include ggc.h.
12810 (type_hash): Move declaration earlier in file.
12811 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12812 (init_obstacks): Add gc roots.
12813 (mark_type_hash): New function.
12814 * varasm.c: Include ggc.h.
12815 (mark_pool_constant): New function.
12816 (mark_varasm_state): New function.
12818 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12820 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12822 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12824 * c-decl.c (struct language_function): Renamed from struct c_function.
12826 (c_function_chain): Delete.
12827 (push_c_function_context): New arg F. Don't warn about nested
12828 functions here. Fill LANGUAGE elt of F. Delete code to update
12829 c_function_chain. Don't call push_function_context.
12830 (pop_c_function_context): New arg F. Restore from there instead of
12831 from c_function_chain. Don't call pop_function_context. Clear out
12832 LANGUAGE field of F when done.
12833 * c-lang.c: Include "function.h"
12834 (lang_init): Initialize save_lang_status and restore_lang_status.
12835 * c-parse.in (nested_function, nested_function_notype): Warn about
12836 nested functions. Call push_function_context/pop_function_context
12837 instead of the _c_ variants.
12838 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12840 * Makefile.in (c-lang.o): Update dependencies.
12842 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12843 regno_pointer_flag, regno_pointer_align.
12844 (gen_reg_rtx): Use xrealloc to enlarge them.
12845 (free_emit_status): New function.
12846 * function.c (mark_machine_status, mark_lang_status): New variables.
12847 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12848 in some bits from assign_stack_local. All callers changed to use new
12850 (assign_stack_local): Just call assign_stack_local_1.
12851 (free_after_compilation): New function.
12852 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12853 (trampoline_address): Likewise.
12854 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12855 (prepare_function_start): Explicitly clear some more variables.
12856 * function.h (struct function): New elt can_garbage_collect.
12857 (mark_machine_status, mark_lang_status): Declare variables.
12858 (free_after_compilation, free_emit_status, free_varasm_status,
12859 init_varasm_status): Declare functions.
12860 * toplev.c (rest_of_compilation): Call free_after_compilation when
12861 done with the current function.
12862 * varasm.c (free_varasm_status): New function.
12864 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12866 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12867 (EXPAND_BUILTIN_VA_ARG): Define.
12868 * sparc.c (sparc_va_start): New.
12869 (sparc_va_arg): New.
12871 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12873 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12875 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12877 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12879 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12881 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12882 (OBJS): Add $(GGC).
12883 (ggc-callbacks.o): New target.
12884 * ggc-callbacks.c: New file.
12886 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12888 * expr.h: Collapse individual optab and libfunc vars to arrays.
12889 (optab_index, libfunc_index): New enumerations.
12890 (optab_table, libfunc_table): New arrays.
12891 Add accessor macros for both.
12893 * optabs.c (optab_table, libfunc_table): New.
12894 Delete declarations for individual optab and libfunc vars.
12896 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12898 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12900 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12902 * Makefile.in (GGC, GGC_LIB): New.
12903 (HOST_RTL): Include ggc-none.o.
12904 (ggc-simple.o): New target.
12905 (ggc-none.o): Likewise.
12906 * tree.h (tree_common): Add gc_mark.
12907 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12908 (struct rtvec_def): Add gc_mark.
12909 * emit-rtl.c (global_rtl): Update static initializers to contain
12910 enough initializers.
12911 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12912 * toplev.c (gc_time): New variable.
12913 (all_time): New variable.
12914 (compile_file): Print gc time.
12915 (print_time): Calculate percentage of the whole.
12917 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12919 Change obstack memory management and varasm constant pool handling so
12920 that nested functions are treated like any other functions.
12921 * function.c (init_machine_status): New variable.
12922 (push_function_context_to): Set contains_functions for the outer
12923 function. Don't call save_varasm_status.
12924 (pop_function_context_from): Don't call restore_varasm_status. Don't
12925 set current_function_contains_functions.
12926 (prepare_function_start): Call init_varasm_status rather than
12927 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12929 * function.h (struct function) Add field varasm. Delete fields
12930 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12931 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12932 (init_machine_status): Declare.
12933 (save_varasm_status, restore_varasm_status): Delete declarations.
12934 (save_tree_status, restore_tree_status): Delete last argument.
12935 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12936 code. All callers changed.
12937 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12938 save_constants_in_decl_trees, restore_constants, save_constants,
12939 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12941 (inlining): New variable.
12942 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12943 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12945 (save_for_inline_nocopy): Don't save constants.
12946 Don't set inl_emit field in current_function.
12947 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12948 function. Set new variable inlining before
12949 calling copy_rtx_and_substitute.
12950 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12951 constant pool references if inlining is nonzero.
12952 Delete ADDRESS and (most of the) CONST cases.
12953 (output_inline_function): Save and restore current_function/
12954 current_function_decl. Delete restore_constants code. Don't call
12955 init_const_rtx_hash_table.
12956 * output.h (init_const_rtx_hash_table): Don't declare.
12957 * rtl.h (struct function): Declare.
12958 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12959 * toplev.c (rest_of_compilation): Don't treat nested functions or
12960 functions containing them specially. Delete all code to deal with
12961 save_for_inline_copying.
12962 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12963 inline_obstacks): Delete variables.
12964 (save_tree_status): Lose arg CONTEXT. All callers changed.
12965 Simply allocate a new function_maybepermanent_obstack for the new
12966 function, delete all the special cases.
12967 Don't save inline_obstacks.
12968 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12969 Delete special handling for function_maybepermanent_obstack; simply
12971 Don't restore inline_obstacks.
12972 (permanent_allocation): Delete code that frees inline_obstacks.
12973 (print_inline_obstack_statistics): Delete function.
12974 (dump_tree_statistics): Don't call it.
12975 * varasm.c (struct varasm_status): New.
12976 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12977 last_pool, pool_offset, const_double_chain): Delete global
12978 variables, replace with accessor macros.
12979 (immed_double_const): Don't walk const_double_chain outside a
12980 function, but don't treat nested functions specially anymore.
12981 (immed_real_const_1): Likewise.
12982 (clear_const_double_mem): Don't treat nested functions specially.
12983 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12984 (save_varasm_status, restore_varasm_status): Delete functions.
12985 (init_varasm_status): New function.
12986 (force_const_mem): Don't treat nested functions specially.
12987 (find_pool_constant): Accept new arg F, search for constants in
12988 that function's pool rather than the current one. All callers
12990 (get_pool_constant_for_function, get_pool_mode_for_function): New
12993 * i386.c (init_386_machine_status): New function, mostly from
12994 clear_386_stack_locals.
12995 (struct machine_functions): Rename element names to avoid name
12997 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12998 macros, replacing global variables.
12999 (clear_386_stack_locals, save_386_machine_status,
13000 restore_386_machine_status): Delete functions.
13001 (override_options): Initialize init_machine_status.
13002 * i386.h (INIT_EXPANDERS): Delete macro.
13003 (save_386_machine_status, restore_386_machine_status,
13004 clear_386_stack_locals): Delete declarations.
13006 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13008 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13009 (doloop_begin): Simplify pattern and use emit_jump_insn.
13010 (doloop_end): Simplify pattern, switch operand order,
13011 and use emit_jump_insn.
13013 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13015 * function.h (struct function): Add new element LANGUAGE.
13016 (save_lang_status): Declare new variable.
13017 (restore_lang_status): Likewise.
13018 * function.c (save_lang_status): Define.
13019 (restore_lang_status): Likewise.
13020 (push_function_context_to): Call language-specific save function.
13021 (pop_function_context_from): Call language-specific restore function.
13023 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13025 * i386.md (movsf_1): Check REG_P before use of REGNO.
13026 (movdf_1): Likewise.
13027 (movxf_1): Likewise.
13028 (extendsfdf2): Likewise.
13029 (extendsfxf2): Likewise.
13030 (extenddfxf2): Likewise.
13032 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13034 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13035 constants into memory.
13036 (c4x_shiftable_constant): New function.
13037 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13038 (c4x_shiftable_constant): Declare.
13039 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13040 ashlqi3_noclobber): Add new patterns and associated splitters.
13042 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13044 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13045 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13046 * final.c (shorten_branches): Likewise.
13047 * global.c (global_alloc): Likewise.
13048 * haifa-sched.c (build_control_flow): Likewise.
13049 * stmt.c (check_for_full_enumeration_handling): Likewise.
13050 (estimate_case_costs): Likewise.
13052 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13054 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13056 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13058 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13059 (recompute_reg_usage): Likewise.
13060 * rtlanal.c (find_regno_fusage): Likewise.
13062 * rtl.c (rtl_check_failed_code1): New function.
13063 (rtl_check_failed_code2): New.
13064 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13065 (RTL_CHECKC1, RTL_CHECKC2): New.
13066 (XC*): New accessor macros.
13067 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13068 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13069 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13070 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13071 (TRAP_*, RANGE_INFO_*): Likewise.
13073 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13075 * Makefile.in (tlink.o): Don't depend on toplev.h.
13077 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13078 output_file, nm_file_name, ldd_file_name, strip_file_name,
13079 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13080 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13081 fork_execute, maybe_unlink, add_to_list,
13082 extract_init_priority, write_list, dump_list,
13083 dump_prefix_list, write_list_with_asm, write_c_file,
13084 write_c_file_stat, write_c_file_glob, scan_prog_file,
13085 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13086 ignore_library, extract_string, notice, dump_file, target_machine,
13087 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13088 read_file, print_load_command): Constify a char*.
13089 (fdopen, error, fatal, fatal_perror): Don't prototype.
13090 (my_strerror): Remove. All callers use xstrerror instead.
13091 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13092 (main): Add prototype. Constify lots of char* ptrs. Change calls
13093 to xcalloc/strcpy/strcat/... to one call to concat.
13094 (main, scan_prog_file, scan_libraries): Use an intermediate
13095 `const char **' to build an argv array.
13096 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13098 * collect2.h (collect_execute, collect_wait, dump_file,
13099 file_exists): Constify a char*.
13100 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13101 temporary_firstobj, vflag, debug): Add extern declarations.
13102 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13104 * tlink.c: Don't include toplev.h.
13105 (vflag, debug, ldout, c_file_name, temporary_obstack,
13106 permanent_obstack, temporary_firstobj): Don't declare.
13107 (tlink_execute, frob_extension, symbol_hash_lookup,
13108 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13109 recompile_files, read_repo_files, demangle_new_symbols,
13110 scan_linker_output): Constify a char*.
13111 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13112 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13114 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13116 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13117 (relative) rather than jsr (absolute) subroutine call insns.
13118 * config/m68k/m68k-coff.h: Ditto.
13120 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13122 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13123 now rework these too.
13124 (arm_reorg): If an insn can't reach the end of the current pool,
13125 ensure that we emit that pool before the insn.
13127 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13129 * tlink.c (scan_linker_output): Skip the initial underscore in
13130 a mangled name if appropriate.
13132 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13134 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13135 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13136 error_with_ivar, gen_declarator, create_builtin_decl,
13137 my_build_string, generate_descriptor_table, generate_ivars_list,
13138 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13139 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13140 dump_base_name, lang_decode_option, build_encode_expr,
13141 start_class, finish_class, encode_pointer, really_start_method,
13142 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13144 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13145 Add static prototypes.
13146 (build_objc_string_decl, build_selector_reference_decl,
13147 encode_bitfield, build_class_reference_decl): Remove unused
13148 parameter, all callers changed.
13149 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13150 (objc_printable_name): Likewise. Change second parameter to type int.
13151 (init_objc): Use memcpy, not bcopy, to avoid casts.
13153 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13155 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13156 reg notes on a deleted insn.
13157 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13159 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13161 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13163 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13165 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13168 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13170 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13171 * tm.texi (MD_ASM_CLOBBERS): Document it.
13173 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13175 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13176 * except.c (expand_rethrow): Remove unused variable.
13177 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13178 * flow.c (replace_insns): Likewise.
13179 (create_edge_list, verify_edge_list): Likewise.
13180 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13182 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13183 is special code to run.
13184 (main): Don't define operands to emit_operand.
13185 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13187 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13189 * alpha/alpha.h (normal_memory_operand): Declare.
13190 (reg_no_subreg_operand): Declare.
13191 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13193 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13195 * c-parse.in (compstmt_primary_start): New, broken out of first
13196 part of compstmt handling in primary.
13197 (primary): Use it. Add an error clause.
13198 (compstmt_nostart): Renamed from compstmt; remove all
13199 initial invocations of compstmt_start.
13202 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13204 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13207 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13209 * combine.c (simplify_shift_const): Remove extra semicolon.
13210 * dwarf2out.c (remove_AT): Likewise.
13211 * expmed.c (expand_mult): Likewise.
13212 * gcov.c (create_program_flow_graph): Likewise.
13213 * reorg.c (mostly_true_jump): Likewise.
13215 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13217 * fold-const.c (fold_range_test): Do not try to fold the range
13218 test if the rhs or lhs has side effects.
13220 * combine.c (simplify_rtx): Recognize another case of a synthesized
13223 * varasm.c (mark_constant_pool): When marking indirect references,
13224 only look at SYMBOL_REFs.
13226 * except.c (expand_fixup_region_end): Do not peek at
13227 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13229 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13231 * flags.h: New variables align_loops, align_loops_log,
13232 align_jumps, align_jumps_log, align_labels, align_labels_log,
13233 align_functions, align_functions_log.
13234 * toplev.c: Define them.
13235 (f_options): Handle -falign-* when they have no argument.
13236 (main): Add logic to set variables for -falign-functions,
13237 -falign-jumps, -falign-labels, -falign-loops.
13238 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13239 (display_help): Change help to match options.
13240 * final.c (LABEL_ALIGN): Default to align_labels_log.
13241 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13242 (LOOP_ALIGN): Default to align_loops_log.
13243 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13244 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13245 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13246 * varasm.c (assemble_start_function): Handle align_functions.
13248 * config/sparc/sparc.h: Don't declare sparc_align_*.
13249 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13250 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13252 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13254 * config/sparc/sparc.c: Delete sparc_align_loops,
13255 sparc_align_jumps, sparc_align_funcs and the corresponding string
13257 (sparc_override_options): Default align_functions on ultrasparc.
13258 Delete -malign-* handling.
13260 * config/mips/mips.c (override_options): On 64-bit targets,
13261 try to align code to 64-bit boundaries.
13262 (print_operand): New substitution, %~,
13263 which aligns labels to align_labels_log.
13264 * config/mips/mips.md (div_trap_normal): Use %~.
13265 (div_trap_mips16): Likewise.
13267 (absdi2): Likewise.
13268 (ffssi2): Likewise.
13269 (ffsdi2): Likewise.
13270 (ashldi3_internal): Likewise.
13271 (ashrdi3_internal): Likewise.
13272 (lshrdi3_internal): Likewise.
13273 (casesi_internal): Likewise.
13275 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13277 Merge new ia32 backend from the branch!
13279 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13280 See ChangeLog.P2 on new_ia32_branch for details.
13282 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13283 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13284 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13285 * i386/gas.h (ASM_FILE_START): Define.
13286 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13287 for name change of ix86_valid_decl_attribute_p.
13288 (i386_pe_valid_type_attribute_p): Similarly.
13290 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13292 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13293 to step through CC modes.
13295 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13297 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13298 it would end up in the shadow of a live flags regsiter.
13300 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13302 * reload1.c: Fix many indentation problems.
13303 * reload.c: Likewise.
13305 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13307 * alias.c (non_local_reference_p): Constify fmt.
13309 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13311 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13313 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13315 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13316 the internal_arg_pointer.
13318 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13320 Merge peephole2 from new_ia32_branch:
13321 * Makefile.in (STAGESTUFF): Add *.peephole2.
13322 (mostlyclean): Likewise.
13323 (recog.o): Depend on resource.h.
13325 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13326 (final_scan_insn): Likewise for the invocation of peephole.
13327 * genconfig.c (main): Look for peephole and peephole2 patterns.
13328 Emit HAVE_peephole* accordingly.
13329 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13330 * flags.h (flag_peephole2): Declare.
13331 * toplev.c: New pass peephole2. New flag -fpeephole2.
13333 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13334 * gencodes.c (main): Likewise.
13335 * genextract.c (main): Likewise.
13336 * genoutput.c (main): Likewise.
13337 * genemit.c (max_operand_1): Look for the max scratch operand.
13338 (gen_rtx_scratch): New.
13339 (gen_exp): Use it, and pass on new arg subroutine_type.
13340 (gen_expand): Take max scratch into account.
13341 (gen_split): Emit peephole2 functions.
13342 (output_peephole2_scratch): New.
13343 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13344 * genrecog.c (routine_type): Add PEEPHOLE2.
13346 (make_insn_sequence): Match outer parallel for peep2. Discard
13347 top level scratches and dups.
13348 (add_to_sequence): New args insn_type and top. Update all callers.
13349 Handle toplevel peep2 matching insns.
13350 (write_subroutine): Handle peep2.
13351 (write_tree_1): Likewise.
13352 (write_tree): Likewise.
13354 (change_state): New arg afterward. Update all callers.
13355 Handle matching separate insns.
13356 * recog.c (recog_next_insn): New.
13357 (peephole2_optimize): New.
13358 * rtl.def (DEFINE_PEEPHOLE2): New.
13359 * resource.c (find_free_register): New argument last_insn. Use it
13360 to find a register available through the entire span.
13361 * resource.h (find_free_register): Update prototype.
13363 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13365 * i386.c (output_strlen_unroll): Don't write xops[7]
13366 label if it wasn't set.
13368 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13370 * cpplib.c (struct directive): Const-ify name pointer and
13371 function pointer prototype.
13372 (validate_else, do_define, do_line, do_include, do_undef,
13373 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13374 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13375 do_warning): Const-ify second arg.
13376 (directive_table): Mark const. Reorder entries by frequency
13377 of usage, record statistics.
13379 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13381 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13382 bounds- check RTL accesses if --enable-checking.
13383 (RTVEC_ELT): Bounds check if --enable-checking.
13384 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13385 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13386 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13388 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13389 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13391 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13392 (NOTE_SOURCE_FILE): Use X0STR.
13393 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13394 MEM_ALIAS_SET): Use X0INT.
13395 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13396 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13398 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13399 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13400 (rtl_check_failed_bounds, rtl_check_failed_type1,
13401 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13403 (fancy_abort): Fix comment.
13405 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13406 (cse_insn): Decrement LABEL_NUSES for jump target before
13407 deleting jump insn.
13408 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13409 * final.c (alter_subreg): Compute regno before changing x to
13410 REG; set REGNO(x) after changing it.
13411 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13412 notes containing CONST_INTs.
13413 (delete_eh_regions): Use NOTE_EH_HANDLER.
13414 * function.c (put_reg_into_stack): Make reg a MEM before
13416 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13418 (gen_mem_addressof): Make reg a MEM before initializing it.
13419 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13421 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13422 deleting an insn, not after.
13423 (block_alloc): Only look at PATTERN(insn) if we have to, and
13424 only if it's format class 'i'.
13425 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13426 CONST_INT before using its INTVAL.
13427 * print-rtl.c (print_rtx): Use X0STR.
13428 * regmove.c (fixup_match_1): Don't look at PATTERN of
13429 non-class-'i' insn chain elements.
13430 * reload.c (loc_mentioned_in_p): Take address of
13431 in->fld[1].rtx directly.
13432 * reload1.c (reload): Change reg to a MEM before initializing
13434 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13436 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13438 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13440 * config/mips/mips.c (machine_dependent_reorg): Force a
13441 barrier to output the local constant pool if a barrier hasn't
13442 been found at a natural point in the instruction stream.
13444 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13446 * c-parse.in (language_string): Constify.
13448 * dwarf2out.c (language_string): Remove declaration.
13450 * dwarfout.c (language_string): Likewise.
13452 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13454 * tree.h (language_string, init_parse, finish_parse): Declare.
13456 * i386/sun386.h (language_string): Remove declaration.
13458 * mips.h (language_string): Likewise.
13460 * nextstep.h (language_string): Likewise.
13462 * nextstep21.h (language_string): Likewise.
13464 * rs6000.c (language_string): Likewise.
13466 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13468 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13469 (getpwd.o): Remove target.
13471 * getpwd.c: Delete file. Its in libiberty now.
13473 * dbxout.c (getpwd): Don't prototype.
13474 * dwarf2out.c (getpwd): Likewise
13475 * dwarfout.c (getpwd): Likewise
13476 * final.c (getpwd): Likewise.
13477 * protoize.c (getpwd): Likewise.
13479 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13481 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13483 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13485 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13486 mark_set_resources.
13488 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13490 * fixinc/Makefile.in (subdir): New.
13491 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13494 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13496 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13497 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13500 * invoke.texi: Fix typo.
13502 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13503 changed. Handle autoincrement addressing modes.
13505 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13506 just like we would the virtual incoming args register when
13509 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13511 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13512 path, in .file directive.
13514 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13516 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13519 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13521 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13524 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13526 * tree.c (tree_code_name): Constify a char*.
13528 * tree.h (tree_code_name, decl_printable_name): Likewise.
13530 * function.h (struct function): Likewise.
13532 * toplev.c (decl_name, decl_printable_name): Likewise.
13534 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13536 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13537 (init_objc): Remove function pointer cast.
13539 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13541 * pa.md (interspace_jump): New pattern.
13542 (builtin_longjmp): New expander.
13544 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13546 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13547 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13548 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13550 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13552 * jump.c (delete_prior_computation): Also check calls
13553 to constant functions. Don't bother checking for a
13554 REG_UNUSED note before adding it.
13555 (delete_computation): Handle multi-word hard registers
13556 when synthesizing missing REG_DEAD notes for a register
13557 which is both set and used by an insn.
13559 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13561 * loop.c (this_loop_info): New variable.
13562 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13563 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13565 (prescan_loop, strength_reduce): New argument loop_info. All callers
13567 (scan_loop): New variable loop_info, initialise to address of
13569 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13570 Delete variable loop_has_multiple_exit targets and replace with
13571 field in this_loop_info.
13572 (find_and_verify_loops): Rename this_loop to this_loop_num.
13573 (strength_reduce): Delete loop_iteration_info. Replace variable
13574 loop_info with function argument of same name.
13575 (insert_bct): Rework test for loop being completely unrolled.
13577 * loop.h (struct loop_info): New fields num, loops_enclosed,
13578 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13579 has_indirect_jump, and cont. Redefine use of unroll_number.
13580 (loop_unroll_number): Delete.
13582 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13583 field of loop_info.
13584 (loop_iterations): Delete variable vtop and instead use
13585 loop_info->vtop computed in prescan_loop.
13587 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13589 * fix-header.c (main): Do not pass a null pointer to strcmp.
13591 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13593 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13595 * configure: Rebuilt.
13597 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13599 * jump.c (jump_optimize_1): Do not delete assignments to
13600 internal_arg_pointer.
13601 * cse.c (delete_trivially_dead_insns): Always consider a set of
13602 the internal_arg_pointer live.
13604 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13606 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13607 (update_life_info) [REG_WAS_0]: Search the original insns rather
13608 than the new insns for the note. Fix typos finding note_dest.
13609 If no dest found, discard the note rather than abort.
13610 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13611 (replace_insns): Remove the old insn list after update_life_info
13614 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13616 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13617 sched_analyze_insn.
13618 (sched_analyze_1): Let add_dependence care for not adding dups.
13619 (sched_analyze_2): Likewise.
13620 (add_branch_dependences): Likewise.
13622 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13624 * i386/winnt.c (export_list): New type.
13625 (exports_head): Rename to
13626 (export_head): this.
13627 (i386_pe_record_exported_symbol): Add is_data flag.
13628 (i386_pe_asm_file_end): Emit directive for exported variables.
13629 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13631 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13632 (ASM_DECLARE_OBJECT_NAME): Likewise.
13633 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13634 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13636 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13638 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13640 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13643 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13645 * config/openbsd.h: Define SET_ASM_OP.
13646 * tm.texi: cross-reference SET_ASM_OP in the index.
13648 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13650 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13651 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13652 and class_narrowest_mode at compile time. Kill init_rtl.
13653 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13654 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13655 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13657 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13659 * rtl.h: Declare rtx_length and rtx_format as const.
13660 * machmode.def: Define CC(). Use CC() to define CCmode. If
13661 EXTRA_CC_MODES is defined, expand it here.
13662 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13663 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13664 const. Kill all references to EXTRA_CC_MODES.
13666 * toplev.c: Don't prototype or call init_rtl.
13667 * optabs.c: Don't call init_mov_optab.
13668 * genemit.c: Don't generate init_mov_optab. Don't call
13670 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13672 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13673 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13674 genrecog.c: Don't call init_rtl.
13676 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13677 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13678 definition of EXTRA_CC_MODES.
13680 * md.texi: Kill ref to EXTRA_CC_NAMES.
13681 * tm.texi: Document new way to define EXTRA_CC_MODES.
13683 * genrecog.c: Do not look up the name of a define_split.
13684 (Unrelated bugfix.)
13686 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13688 * config/v850/v850.md: Fix typo introduced by previous delta.
13690 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13692 * gcc.c (fatal): Make definition static to match prototype.
13694 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13696 * combine.c (get_last_value): Don't look for earlier sets if the last
13697 known set is somewhere in between the insns being combined.
13699 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13701 * configure.in: Don't use shell ! to negate exit codes
13702 * configure: Regenerate
13704 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13706 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13707 the fact that ALIGN is measured in bits, not bytes.
13709 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13711 * errors.c: New file; defines functions error, warning, and
13712 fatal, variables have_error and progname.
13713 * errors.h: New file; prototypes and decls for stuff in errors.c.
13715 * Makefile: Add rules to build errors.o and
13716 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13717 genopinit, genrecog, genextract, genpeep, genattr, and
13718 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13719 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13720 genpeep.o, genattr.o, and genoutput.o.
13722 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13723 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13724 define or prototype fatal. Set progname at beginning of main.
13725 * genoutput.c: Likewise, and don't define or prototype error
13728 * c-typeck.c (c_expand_start_case): Return immediately if exp
13730 * fold-const.c (operand_equal_p): Return immediately if arg1
13731 or arg0 are ERROR_MARKs.
13732 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13733 fields of type ERROR_MARK when calculating if the record can
13736 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13737 with much help from Jeffrey A Law and Richard Henderson
13739 * i386.md: In the 6 insns which call output_fix_trunc,
13740 earlyclobber operands[0].
13742 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13744 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13745 creating new registers.
13747 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13749 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13750 i386_reg_alloc_order, i386_regparm_string,
13751 i386_align_loops_string, i386_align_jumps_string,
13752 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13753 and i386_branch_cost_string as type "const char *".
13754 * i386.c: Define all above strings as type "const char *".
13756 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13758 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13759 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13761 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13763 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13764 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13766 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13768 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13769 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13770 (dwarf2out_line, dwarf2out_finish): Likewise.
13771 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13773 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13775 * tree.c (lang_unsave_expr_now) : Correct return type.
13776 * tree.h (lang_unsave_expr_now) : Same.
13778 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13780 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13781 instead of duplicating code.
13783 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13785 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13787 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13789 * tree.h: fancy_abort always takes three args.
13790 * resource.c: Move include of system.h before toplev.h.
13792 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13794 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13797 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13799 * system.h: Don't redefine abort or trim_filename.
13800 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13801 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13802 whether or not __FUNCTION__ is available.
13803 * tree.h: Duplicate rtl.h's definition of abort, for files
13804 that don't include rtl.h. Delete all code to perform type
13805 checking with a compiler other than GCC.
13806 * varray.h: Delete all code to perform type checking with a
13807 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13808 its arguments exactly once, using a statement expression.
13809 Adjust the VARRAY_<type> accessor macros to match.
13810 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13811 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13812 caller's location. Define fatal_insn and fatal_insn_not_found
13813 as macros that use _fatal_insn and _fatal_insn_not_found.
13814 (fancy_abort, trim_filename): Kill prototypes.
13816 * rtl.c (trim_filename): Move here from toplev.c.
13817 (fancy_abort): New function.
13818 (DIR_SEPARATOR): Provide default definition.
13819 * tree.c (tree_check_failed, tree_class_check_failed): Go
13820 through fancy_abort.
13821 (tree_check, tree_class_check, cst_or_constructor_check,
13822 expr_check): Delete.
13823 * varray.c (varray_check_failed): New function.
13824 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13825 _fatal_insn and _fatal_insn_not_found. Go through
13827 (trim_filename, fancy_abort): Delete.
13829 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13830 * except.c (start_catch_handler): Report ICE with error/abort
13832 * final.c (output_operand_lossage): Likewise.
13833 * flow.c (verify_flow_info): Likewise.
13835 * gcc.c: Prototype fatal.
13836 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13837 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13838 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13839 Don't define fancy_abort.
13841 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13843 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13846 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13848 * m88k.h (VERSION_INFO2): Kill.
13849 (VERSION_STRING): Kill.
13851 (VERSION_INFO1): Tidy.
13852 (TARGET_VERSION): Update.
13853 * m88k/dgux.h (VERSION_INFO2): Kill.
13854 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13855 * m88k/luna.h (VERSION_INFO1): Tidy.
13856 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13857 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13858 (output_file_start): Adjust for death of VERSION_STRING.
13860 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13862 * cpplib.c (detect_if_not_defined): New function.
13863 (do_if): Use it to detect potential once-only headers.
13865 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13867 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13869 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13871 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13872 anywere in the function only if they are pseudos and set before
13873 being used (not live at the start of the function).
13874 (num_sign_bit_copies) : Same.
13875 (get_last_value_validate) : Same.
13876 (get_last_value) : Same.
13878 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13880 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13881 where N and M are constant and N is an integer multiple of M.
13883 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13885 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13886 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13887 sbitmap_union_of_preds): Add prototypes.
13888 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13889 the intersection of successors with the new flow graph structures.
13890 (sbitmap_intersection_of_preds): New function to compute the
13891 intersection of predecessors with the new flow graph structures.
13892 (sbitmap_union_of_succs): New function to compute the union of
13893 successors with the new flow graph structures.
13894 (sbitmap_union_of_preds): New function to compute the union of
13895 predecessors with the new flow graph structures.
13896 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13897 (expr_reaches_here_p): Use edge and basic_block structures instead
13898 of s_preds and s_succs.
13899 (compute_cprop_avinout): Use new sbitmap routines.
13900 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13901 of s_preds and s_succs.
13902 * flow.c (compute_flow_dominators): Compute dominators using
13903 edges and basic blocks instead of s_preds and s_succs.
13905 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13907 * lists.c (unused_insn_list, unused_expr_list): New file for
13908 maintaining various types of lists. New statics for maintaining a
13909 cache of available INSN_LIST and EXPR_LIST nodes.
13910 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13911 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13912 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13913 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13914 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13915 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13916 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13917 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13918 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13919 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13920 (remove_dependence, free_pending_lists): Use new global routines.
13921 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13922 (sched_analyze, compute_block_backward_dependences): Use new routines.
13923 (sched_analyze_1, sched_analyze_2): Use new routines.
13924 (schedule_insns): Use new global routines.
13925 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13927 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13928 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13930 * toplev.c (rest_of_compilation): Initialize node cache.
13931 * Makefile.in (OBJS): Add lists.o to list of object files.
13932 (lists.o): Add dependancies.
13934 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13936 * config/v850/v850.md: Fix compile time warning messages.
13937 * config/v850/v850.c: Fix compile time warning messages.
13938 * config/v850/v850.h: Fix compile time warning messages.
13940 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13942 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13943 Remove unused prototype for `init_lengths'.
13945 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13947 * calls.c (emit_call_1): Mark parameter `stack_size' with
13949 (expand_call): Initialize variable `insn'.
13950 (emit_library_call): Likewise for variable `high_to_save'.
13951 (emit_library_call_value): Likewise.
13952 (store_one_arg): Likewise for variables `lower_bound' and
13955 * combine.c (try_combine): Likewise for variables `i2_code_number'
13956 and `other_code_number'.
13957 (find_split_point): Likewise for variables `pos', `unsignedp' and
13959 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13960 (simplify_and_const_int): Remove unused variable `width'.
13961 (merge_outer_ops): Likewise.
13963 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13964 HOST_WIDE_INT' when comparing against one.
13965 (simplify_relational_operation): Likewise.
13966 (cse_insn): Initialize variables `src_eqv_volatile',
13967 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13969 * final.c (init_final): Constify parameter `filename'.
13970 (final_start_function): Mark parameter `optimize' with
13972 (profile_function): Likewise for parameters `first' and `optimize'.
13973 (output_source_line): Likewise for parameter `file'.
13975 * integrate.c (subst_constants): Cast a value to `size_t' when
13976 comparing against one.
13977 (mark_stores): Initialize variable `mode'. Cast a value to
13978 `size_t' when comparing against one.
13980 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13982 * loop.c (move_movables): Initialize variable `first'.
13983 (strength_reduce): Likewise for variable `increment'.
13984 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13985 value to `size_t' when comparing against one.
13986 (load_mems): Initialize variable `end_label'.
13988 * output.h (init_final): Constify parameter.
13990 * reload.c (decompose): Initialize variable `base'.
13992 * reload1.c (reload): Likewise for variable `is_scalar'.
13993 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13994 (choose_reload_regs): Initialize variable `mode'.
13995 (emit_reload_insns): Likewise for variable `store_insn'.
13996 (reload_cse_noop_set_p): Mark parameter `insn' with
13998 (reload_combine): Initialize variable `set'.
14000 * unroll.c (unroll_loop): Likewise for variable `local_label'.
14001 (copy_loop_body): Cast a value to `size_t' when comparing against
14004 * varasm.c (assemble_variable): Initialize variable `size_tree'.
14005 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
14006 (remove_from_pending_weak_list): Mark parameter `name' with
14009 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14011 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14014 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14016 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14017 (ASM_DECLARE_FUNCTION_NAME): Define.
14018 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14019 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14020 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14021 not already defined.
14023 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14025 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14026 of n_popped when call/call_value are not defined.
14028 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14030 * tm.texi: GNU CC -> GCC conversion.
14031 (CC1_SPEC): Indicate it is used for all language front ends.
14033 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14035 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14036 NOTE_INSN_EH_REGION_END correctly.
14038 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14039 Jeff Law <law@cygnus.com>
14041 * loop.c (strength_reduce): Automatically unroll loops if the
14042 unrolled loop size is smaller than the rolled loop size.
14044 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14045 and delete comment that code should be rewritten.
14047 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14049 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14052 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14054 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14056 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14057 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14058 (LINK_SPEC): Add -u _main when building executables.
14059 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14060 (ASM_FILE_END): Use the default for ix86-pe.
14061 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14063 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14065 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14066 and ASM_CLOSE_PAREN are empty strings.
14068 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14069 Geoffrey Keating <geoffk@cygnus.com>
14071 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14072 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14073 (unprotoize.o): Ditto.
14074 (test-protoize-simple): Don't define STD_PROTO_DIR.
14075 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14076 changes to make 'test-protoize-simple' pass.
14077 (STD_PROTO_DIR): Remove define.
14078 (STANDARD_EXEC_PREFIX): Supply default define.
14079 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14080 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14081 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14082 (GET_ENV_PATH_LIST): New macro.
14083 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14084 (do_processing): Initialize default_syscalls_dir using new
14085 macros. Use it to initialize syscalls_absolute_filename.
14087 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14089 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14090 B into a register before emit_conditional_move.
14092 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14094 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14095 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14096 multiplicand out of (+ (* a b) (* c d)).
14098 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14099 Richard Henderson <rth@cygnus.com>
14101 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14102 (new_insn_dead_notes): Likewise.
14103 (update_n_sets): Likewise.
14104 (update_flow_info): Move to flow.c, renamed to update_life_info;
14105 extend to handle multiple source insns.
14106 * flow.c: Include resource.h
14107 (unlink_insn_chain): New.
14108 (split_hard_reg_notes): New.
14109 (maybe_add_dead_note): New.
14110 (maybe_add_dead_note_use): New.
14111 (find_insn_with_note): New.
14112 (new_insn_dead_notes): New.
14113 (update_n_sets): New.
14114 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14115 (maybe_remove_dead_notes): New.
14116 (update_life_info): New.
14117 (prepend_reg_notes): New.
14118 (replace_insns): New.
14119 * output.h (update_life_info): Declare.
14120 * recog.c (split_block_insns): Use update_life_info.
14121 * resource.c (find_free_register): Use reg_alloc_order, don't use
14122 fixed regs, make sure the mode is supported, don't use new regs.
14124 * rtl.h (replace_insns): Declare.
14126 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14128 * expr.c (expand_expr): Cope with COND_EXPRs with one
14129 non-returning branch.
14131 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14133 * expr.c (store_expr): Always pass down the target, even when not
14136 1999-08-24 Nick Clifton <nickc@cygnus.com>
14138 * configure.in: Define target_cpu_default for v850 targets.
14139 * configure: Regenerate
14141 * config/v850/v850.h (TARGET_CPU_generic): Define.
14142 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14143 addresses are 4 byte aligned.
14145 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14148 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14150 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14151 (main): Add prototypes.
14153 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14154 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14155 (write_attr_get): Emit prototypes along with function definition.
14156 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14157 (write_complex_function): Emit static prototype along with
14158 function definition.
14160 * genemit.c (gen_split): Emit prototypes along with function
14163 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14164 Likewise for predicates and `insn_operand_predicate'.
14165 (process_template): Emit static prototype along with function
14168 * genrecog.c (make_insn_sequence): Constify a char*. Add
14169 prototypes for get_split_*().
14170 (write_subroutine): Emit prototypes along with function
14173 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14175 * gcse.c (find_avail_set): Follow chains of register-register copies.
14176 Use oprs_not_set_p to guarantee that the returned value can be
14178 (cprop_insn): Don't verify the return value of find_avail_set with
14181 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14182 (cprop_cc0_jump): New function.
14183 (cprop_insn): Break out new function cprop_jump and use it.
14184 Also use cprop_cc0_jump for machines with CC0.
14185 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14187 * tree.h (current_function_calls_setjmp,
14188 current_function_calls_longjmp): Delete declarations.
14189 * dsp16xx.c: Include "function.h".
14190 * elxsi.c: Likewise.
14191 * gmicro.c: Likewise.
14192 * h8300.c: Likewise.
14193 * i370.c: Likewise.
14194 * m32r.c: Likewise.
14195 * mn10200.c: Likewise.
14196 * mn10300.c: Likewise.
14197 * ns32k.c: Likewise.
14198 * spur.c: Likewise.
14199 * v850.c: Likewise.
14201 * rtl.h (rtx_equal_function_value_matters): Declare.
14202 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14204 * function.c: Likewise.
14205 * emit-rtl.c: Likewise.
14207 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14209 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14212 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14214 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14217 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14219 * cpp.texi: Add a node documenting macro varargs (copied
14222 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14224 * cppspec.c: Put a null pointer at the end of the new argv.
14226 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14228 * configure.in: Remove code to select/de-select the haifa
14229 scheduler. Every scheduled port gets haifa now.
14230 * configure: Rebuilt.
14231 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14233 * Makefile.in: Corresponding changes.
14235 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14237 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14238 All callers changed.
14239 (prepare_float_lib_cmp): Likewise.
14240 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14241 * expr.h (emit_float_lib_cmp): Delete declaration.
14242 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14243 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14244 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14246 (cmptf): Now conditional on TARGET_HARD_QUAD.
14248 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14250 * resource.c (mark_target_live_regs): Use
14251 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14253 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14255 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14257 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14259 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14261 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14263 * rtl.h (rtx_format): Constify a char*.
14265 * rtl.c (rtx_format): Likewise.
14266 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14267 (init_rtl): Use accessor macro, not `rtx_format'.
14269 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14272 * caller-save.c (mark_referenced_regs): Likewise.
14274 * combine.c (subst, make_compound_operation, known_cond,
14275 gen_rtx_combine, update_table_tick, get_last_value_validate,
14276 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14278 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14279 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14280 count_reg_usage): Likewise.
14282 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14285 * final.c (leaf_renumber_regs_insn): Likewise.
14287 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14288 dump_edge_info, count_reg_references): Likewise.
14290 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14291 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14294 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14295 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14296 add_label_notes): Likewise.
14298 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14299 clear_struct_flag, count_sub_rtxs, count_alternatives,
14300 compares_alternatives_p, contained_in_p, walk_attr_value,
14301 write_expr_attr_cache): Likewise.
14303 * genconfig.c (walk_insn_part): Likewise.
14305 * genemit.c (max_operand_1, gen_exp): Likewise.
14307 * genextract.c (walk_rtx): Likewise.
14309 * genflags.c (num_operands): Likewise.
14311 * genoutput.c (scan_operands): Likewise.
14313 * genpeep.c (match_rtx): Likewise.
14315 * genrecog.c (add_to_sequence): Likewise.
14317 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14320 * integrate.c (save_constants, copy_for_inline,
14321 copy_rtx_and_substitute, subst_constants, restore_constants):
14324 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14325 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14327 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14330 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14331 add_label_notes, replace_call_address, count_nonfixed_reads,
14332 invariant_p, find_single_use_in_loop, find_mem_givs,
14333 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14336 * print-rtl.c (reg_names, print_rtx): Likewise.
14338 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14340 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14341 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14342 print_blocks): Likewise.
14344 * regclass.c (fix_register, record_address_regs,
14345 reg_scan_mark_refs): Likewise.
14347 * regmove.c (stable_but_for_p): Likewise.
14349 * reload.c (loc_mentioned_in_p, operands_match_p,
14350 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14351 copy_replacements, refers_to_regno_for_reload_p,
14352 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14353 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14356 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14357 delete_address_reloads_1, count_occurrences,
14358 reload_cse_mem_conflict_p, reload_combine_note_use,
14359 add_auto_inc_notes): Likewise.
14361 * resource.c (mark_referenced_resources, mark_set_resources):
14364 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14365 reg_mentioned_p, regs_set_between_p, modified_between_p,
14366 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14367 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14368 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14369 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14371 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14373 * stupid.c (stupid_mark_refs): Likewise.
14375 * unroll.c (remap_split_bivs): Likewise.
14377 * varasm.c (mark_constants): Likewise.
14379 * a29k/a29k.c (uses_local_reg_p): Likewise.
14381 * alpha/alpha.c (summarize_insn): Likewise.
14383 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14384 eliminate_lr2ip): Likewise.
14386 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14388 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14389 reg_mentioned_in_mem): Likewise.
14391 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14392 symbolic_reference_mentioned_p): Likewise.
14394 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14396 * sh/sh.c (regs_used, mark_use): Likewise.
14398 * vax/vax.c (vax_rtx_cost): Likewise.
14400 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14402 * machmode.h (mode_name): Constify a char*.
14404 * rtl.c (mode_name): Likewise.
14406 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14408 * optabs.c (init_libfuncs): Constify a char*.
14410 * print-tree.c (mode_name): Remove redundant declaration.
14411 (print_node): Use accessor macro, not `mode_name'.
14413 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14415 (new_spill_reg): Constify a char*.
14417 * tree.c (mode_name): Remove redundant declaration.
14419 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14421 * rtl.c (rtx_name): Constify a char*.
14423 * rtl.h (rtx_name, fix_sched_param): Likewise.
14425 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14426 (mypr): Use accessor macro, not `rtx_name'.
14428 * genemit.c (print_code): Constify a char*.
14430 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14432 * genpeep.c (print_code): Constify a char*.
14434 * genrecog.c (print_code): Likewise.
14436 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14437 end_bb): Add static prototype.
14438 (draw_edge): Constify a char*.
14439 (end_bb): Remove unused parameter.
14441 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14442 print_block_visualization): Constify a char*.
14444 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14446 * c-common.c (c_get_alias_set): Update comment.
14448 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14450 * linux.h (LIB_SPEC): Added.
14452 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14454 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14456 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14458 * tree.c (expr_check): Fix typo in last change.
14460 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14462 * rtl.def (NOTE): Change format to "iuu0n".
14463 (ADDR_DIFF_VEC): Change format to "eEee0".
14464 (ADDRESSOF): Change format to "eit".
14466 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14467 (RTVEC_ELT): Change to match.
14468 (XVECEXP): Use XVEC and RTVEC_ELT.
14469 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14470 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14471 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14472 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14473 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14474 (INTVAL): Use XWINT.
14475 (ADDRESSOF_DECL): Use XTREE.
14476 (SET_ADDRESSOF_DECL): Delete.
14477 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14478 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14479 ifdefed out since 2.6 at least.
14480 (gen_rtvec_vv): Delete prototype.
14482 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14484 (copy_most_rtx): Handle 't' format letter.
14485 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14486 (gen_rtvec_vv): Delete function. All callers changed to use
14487 gen_rtvec_v instead.
14488 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14489 the '0' format letter.
14491 * function.c (gen_mem_addressof): Don't use
14492 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14494 * integrate.c (copy_rtx_and_substitute): Likewise.
14495 Copy 't' slots with XTREE.
14496 (subst_constants): Treat 't' slots like '[swi]' slots.
14497 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14498 * jump.c (rtx_equal_for_thread_p): Likewise.
14499 * rtlanal.c (rtx_equal_p): Likewise.
14500 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14501 only four arguments.
14502 * gengenrtl.c (type_from_format): Provide correct types for
14506 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14507 If a recent gcc is in use (always in stage2 and beyond), use
14508 statement expressions, so we don't make a function call unless
14509 the check fails. Evaluate arguments exactly once.
14510 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14511 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14513 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14514 they evaluate their arguments exactly once, irrespective of
14515 the compiler in use.
14517 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14518 is used by the currently-enabled check macros. This is:
14519 (tree_check_failed, tree_class_check_failed): For gcc.
14520 (tree_check, tree_class_check, cst_or_constructor_check,
14521 expr_check): For other compilers.
14523 * gencheck.c: Do not define any *_CHECK1 macros.
14525 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14526 Mark Mitchell <mark@codesourcery.com>
14528 * c-common.c (c_get_alias_set): Fix support for poitners and
14531 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14533 * alias.c: Include tree.h.
14534 (nonlocal_reference_p, mark_constant_function): New functions.
14535 * flow.c (life_analysis): Call mark_constant_function.
14536 * rtl.h (mark_constant_function): Declare it.
14538 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14540 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14541 unrecognisable switches.
14543 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14545 * loop.c (recombine_givs): Set ix field after sorting.
14546 (recombine_givs): Remove bogus index / giv lockstep looping.
14548 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14550 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14552 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14553 (do_cmp_and_jump): Formatting fixes.
14554 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14555 do_compare_rtx_and_jump instead of compare_from_rtx.
14556 (do_compare_rtx_and_jump): New function; mostly copied from
14558 (do_jump_for_compare): Delete.
14559 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14561 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14562 of compare/do_jump_for_compare pairs.
14563 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14564 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14565 compare_from_rtx/do_jump_for_compare pairs.
14566 (do_jump_by_parts_equality): Likewise.
14567 (do_jump_by_parts_equality_rtx): Likewise.
14568 * expr.h (do_compare_rtx_and_jump): Declare.
14569 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14570 that used to be in emit_cmp_insn.
14571 (cmp_available_p): New function.
14572 (prepare_operand): New function.
14573 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14574 to be in emit_cmp_insn.
14575 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14576 parameters to be pointers; don't emit final compare but modify some of
14577 the values pointed to by the args so the caller can perform the
14578 correct comparison.
14579 (expand_binop): Call emit_store_flag_force with signed forms of
14581 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14582 emit_jump_insn pair.
14583 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14584 emit_cmp_and_jump_insn_1. Call emit_queue.
14585 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14587 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14588 jump sets cc0 before deleting it.
14589 * integrate.c (expand_inline_function): Likewise.
14590 * unroll.c (unroll_loop): Similar changes in several places.
14591 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14592 before deleting it.
14594 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14596 * Makefile.in (insn-recog.o): Update dependencies.
14597 * genrecog.c (main): Make generated file include "function.h".
14599 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14601 * cse.c (cse_insn): Call never_reached_warning when a jump is
14602 changed to be unconditional.
14603 * flags.h: Declare warn_notreached.
14604 * flow.c (delete_block): Call never_reached_warning when
14605 a block is deleted.
14606 * jump.c (delete_barrier_successors): Call never_reached_warning
14607 when we delete everything after a BARRIER.
14608 (never_reached_warning): New function.
14609 * rtl.h: Declare never_reached_warning.
14610 * toplev.c (warn_notreached): New variable.
14611 (lang_independent_options): Set warn_notreached
14612 when -Wunreachable-code.
14613 (compile_file): We need line numbers for -Wunreachable-code.
14615 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14617 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14618 * sched.c (insn_unit): Likewise.
14620 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14622 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14624 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14626 * flow.c (create_edge_list): Use xmalloc, not malloc.
14628 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14630 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14631 C-style comments. Do not lose the character before double slash.
14633 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14635 * basic-block.h (struct edge_list): Stucture to maintain a vector
14637 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14638 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14639 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14640 New function prototypes.
14641 * flow.c (create_edge_list): Function to create an edge list.
14642 (free_edge_list): Discards memory used by an edge list.
14643 (print_edge_list): Debug output showing an edge list.
14644 (verify_edge_list): Internal consistency check for an edge list.
14645 (find_edge_index): Function to find an edge index for a pred and succ.
14647 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14649 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14652 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14654 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14656 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14658 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14660 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14662 * toplev.c (rest_of_compilation): Allow machine dependent
14663 reorganisation pass to place information into the RTL dump
14664 file if it so wishes.
14666 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14668 * explow.c (hard_function_value): Use VOIDmode instead of
14670 * stmt.c (expand_return): Likewise.
14671 * stor-layout.c (get_best_mode): Likewise.
14673 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14674 emit call instead of emit_insn call.
14676 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14678 * configure.in: Handle --disable/enable-win32-registry.
14679 * install.texi: Document --disable/enable-win32-registry.
14680 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14681 (WIN32_REGISTRY_KEY): New macro.
14682 * prefix.c: Use to enable/disable win32-specific code.
14683 (lookup_key): Use versioned key.
14684 * configure: Regenerate.
14685 * config.in: Likewise.
14687 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14689 * cpplib.c (read_line_number): New fn, split out of...
14692 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14694 tree.c (lang_unsave_expr_now) : New.
14695 (unsave_expr_now): Call lang_unsave_expr_now.
14696 tree.h (lang_unsave_expr_now) : New.
14698 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14700 * toplev.c (flag_new_exceptions): On by default.
14702 1999-08-13 Michael Meissner <meissner@cygnus.com>
14704 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14706 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14708 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14709 INTEGER_TYPE with precision==1, it's __java_boolean.
14711 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14713 * global.c (prune_preferences): Move some invariants out of the
14716 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14718 * configure.in (alpha*-dec-osf*): Add osf5.
14720 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14722 * configure.in: Rework handling of ARM GNU/Linux slightly.
14723 (arm*-*-linux-gnuoldld): New target.
14724 * configure: Regenerate.
14725 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14726 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14727 * config/arm/linux-oldld.h: New file.
14728 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14729 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14731 * config/arm/linux-elf.h (ASM_SPEC): Define.
14732 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14733 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14734 for 26-bit APCS and old linker.
14735 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14737 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14738 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14739 don't define `arm' or `arm_elf'.
14740 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14741 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14743 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14745 * rtl.texi: Fix typo.
14747 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14749 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14751 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14753 * extend.texi (C++ Signatures): Remove node.
14754 * invoke.texi: Remove discussion of -fhandle-signatures,
14755 signature, sigof, __signature__, and __sigof__.
14757 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14759 * Makefile.in (JAVAGC): Removed.
14761 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14763 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14765 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14767 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14769 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14771 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14772 a register that is already known to be a pointer.
14774 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14776 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14777 * fixinc/inclhack.sh: Regenerated.
14778 * fixinc/fixincl.sh: Regenerated.
14780 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14782 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14783 Fix documentation of -ansi flag to describe its C++ behavior.
14784 Remove bogus reference to GCC 2.9.
14786 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14788 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14789 note if it is non-NULL.
14791 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14793 * except.h (eh_nesting_info): Add new structure defintion.
14794 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14795 (reachable_handlers, update_rethrow_references): Add function
14797 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14798 a rethrow symbol instead of an integer exception region number.
14799 * flow.c (Make_edges): Use new exception nesting routines to determine
14800 which handlers are reachable from a CALL or asynchronous insn.
14801 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14803 (delete_eh_regions): Update rethrow labels, and don't delete
14804 regions which are the target of a rethrow.
14805 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14806 avoid overloading the SYMBOL_REF_USED flag.
14807 (rethrow_symbol_map): Use new rethrow_ref field.
14808 (rethrow_used): Use new rethrow_ref field.
14809 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14810 of an integer. Fix formatting.
14811 (output_exception_table_entry): Use new rethrow_ref field.
14812 (can_throw): Check for EH_REGION_NOTE before deciding
14813 whether a CALL can throw or not.
14814 (scan_region): Call rethrow_used() instead of accessing data structure.
14815 (update_rethrow_references): New function to make sure only regions
14816 which are still targets of a rethrow are flagged as such.
14817 (process_nestinfo): New static function to initialize a handler
14818 list for a specific region.
14819 (init_eh_nesting_info): New function to allocate and initialize
14820 the list of all EH handlers reachable from all regions.
14821 (reachable_handlers): New function to retrieve the list of handlers
14822 reachable from a specific region and insn.
14823 (free_eh_nesting_info): New function to dispose of a list of
14824 reachable handlers.
14826 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14828 * flow.c (split_edge): Set JUMP_LABEL field.
14829 (commit_one_edge_insertion): Set head correctly for insert_before.
14830 When inserting insns, update insn block numbers if allocated.
14832 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14834 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14835 retry_incomplete_types): Add static prototype.
14836 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14837 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14838 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14839 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14840 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14843 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14844 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14846 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14848 * output.h (assemble_name): Constify a char*.
14850 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14851 assemble_variable, assemble_name): Likewise.
14853 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14855 * arm/pe.c (arm_pe_unique_section): Likewise.
14857 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14859 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14861 * i386/interix.c (i386_pe_unique_section): Likewise.
14863 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14865 * i386/winnt.c (i386_pe_unique_section): Likewise.
14867 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14869 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14871 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14873 * pa/pa.c (output_call): Likewise.
14875 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14877 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14879 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14882 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14885 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14887 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14888 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14890 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14892 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14894 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14896 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14898 * tree.h (lang_identify): Constify a char*.
14899 (print_error_function): Add extern prototype. Constify a char*.
14901 * c-lang.c (lang_identify): Constify a char*.
14903 * objc/objc-act.c (lang_identify): Constify a char*.
14905 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14907 * genpeep.c (main): Make generated file include "function.h".
14908 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14910 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14912 * Makefile.in: Update dependencies.
14913 * alias.c: Include "function.h"
14914 * c-decl.c: Likewise.
14915 * caller-save.c: Likewise.
14916 * calls.c: Likewise.
14917 * combine.c: Likewise.
14919 * explow.c: Likewise.
14920 * final.c: Likewise.
14921 * global.c: Likewise.
14922 * graph.c: Likewise.
14923 * local-alloc.c: Likewise.
14924 * loop.c: Likewise.
14925 * optabs.c: Likewise.
14926 * profile.c: Likewise.
14927 * recog.c: Likewise.
14928 * regclass.c: Likewise.
14929 * regmove.c: Likewise.
14930 * reload.c: Likewise.
14931 * reorg.c: Likewise.
14932 * resource.c: Likewise.
14933 * sched.c: Likewise.
14934 * stupid.c: Likewise.
14935 * config/1750a/1750a.c: Likewise.
14936 * config/a29k/a29k.c: Likewise.
14937 * config/arc/arc.c: Likewise.
14938 * config/arm/arm.c: Likewise.
14939 * config/arm/thumb.c: Likewise.
14940 * config/c4x/c4x.c: Likewise.
14941 * config/clipper/clipper.c: Likewise.
14942 * config/convex/convex.c: Likewise.
14943 * config/fx80/fx80.c: Likewise.
14944 * config/i860/i860.c: Likewise.
14945 * config/m68k/m68k.c: Likewise.
14946 * config/m88k/m88k.c: Likewise.
14947 * config/mips/mips.c: Likewise.
14948 * config/pdp11/pdp11.c: Likewise.
14949 * config/pyr/pyr.c: Likewise.
14950 * config/romp/romp.c: Likewise.
14951 * config/sh/sh.c: Likewise.
14952 * config/tahoe/tahoe.c: Likewise.
14953 * config/vax/vax.c: Likewise.
14954 * config/we32k/we32k.c: Likewise.
14955 * config/sparc/sparc.c: Include "function.h".
14956 (mem_min_alignment): Test current_function rather than
14957 regno_pointer_align.
14958 * config/pa/pa.c: Likewise.
14959 (compute_frame_size): Delete declaration of
14960 current_function_outgoing_args_size.
14961 * config/arc/arc.h (current_function_varargs): Delete declaration.
14962 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14964 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14966 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14967 current_function_uses_pic_offset_table.
14968 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14969 of current_function_returns_pointer.
14970 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14971 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14972 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14973 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14974 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14975 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14976 * config/m88k/m88k.c: Include "function.h"
14977 (call_used_regs, current_function_pretend_args_size,
14978 current_function_outgoing_args_size, frame_pointer_needed): Delete
14980 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14982 * config/mips/mips.h (current_function_calls_alloca): Delete
14984 * config/mn10200/mn10200.h (current_function_needs_context,
14985 rtx_equal_function_value_matters): Delete declarations.
14986 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14987 flag_pic): Delete declarations.
14988 * config/pa/pa.h (current_function_pretend_args_size,
14989 current_function_decl): Delete declarations.
14990 * config/pa/som.h (current_function_varargs): Delete declaration.
14991 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14993 * config/pyr/pyr.h (current_function_pretend_args_size,
14994 current_function_args_size, current_function_calls_alloca): Delete
14996 * config/sh/sh.h (current_function_varargs): Delete declaration.
14997 * config/sparc/sparc.h (current_function_outgoing_args_size,
14998 current_function_calls_alloca, current_function_decl): Delete
15000 * config/spur/spur.h (current_function_pretend_args_size,
15001 current_function_calls_alloca): Delete declarations.
15002 * config/v850/v850.c (current_function_outgoing_args_size): Delete
15004 * config/vax/vms.h (current_function_name): Delete declaration.
15005 * gcse.c: Include "function.h".
15006 (current_function_name, current_function_calls_setjmp): Delete
15008 * haifa-sched.c: Include "function.h".
15009 (forced_labels): Delete declaration.
15010 * jump.c: Likewise.
15011 * reg-stack.c: Likewise.
15012 * reload1.c: Likewise.
15013 * genemit.c (main): Make generated file include function.h.
15014 * genoutput.c (output_prologue): Likewise.
15016 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15017 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15018 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15019 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15020 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15021 macros for some of them.
15022 (emit_filename, emit_lineno): Delete declarations.
15023 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15024 regno_pointer_* variables through current_function.
15025 (gen_inline_header_rtx): Delete function.
15026 (save_emit_status): Delete function.
15027 (set_new_last_label_num): New function.
15028 (clear_emit_caches): New function.
15029 (restore_emit_status): Just clear last_labelnum and call
15031 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15032 through macro seq_stack.
15033 (add_insn_after): Likewise.
15034 (add_insn_before): Likewise.
15035 (remove_insn): Likewise.
15036 (pop_topmost_sequence): Likewise.
15037 (in_sequence_p): Likewise.
15038 (start_sequence_for_rtl_expr): Likewise.
15039 (start_sequence): Likewise, and likewise for
15040 sequence_rtl_expr/seq_rtl_expr.
15041 (push_topmost_sequence): Likewise.
15042 (end_sequence): Likewise.
15043 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15044 All callers changed. Store into that pointer instead of globals.
15045 (init_emit): Allocate emit elt of current_function.
15046 Changes for sequence_rtl_expr/sequence_stack renaming.
15047 Call clear_emit_caches instead of doing it in-line.
15048 Access regno_pointer_* variables through current_function.
15049 (init_emit_once) Don't clear sequence_stack.
15051 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15053 (arg_pointer_save_area): Delete declaration.
15054 (finish_expr_for_function): Renamed from init_queue; no longer static.
15055 (init_expr): Don't call init_queue.
15056 (save_expr_status, restore_expr_status): Delete functions.
15057 (expand_expr): Changes to reflect new layout of struct function.
15058 Don't access current_function_check_memory_usage when current_function
15060 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15061 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15062 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15063 current_function_uses_const_pool, function_call_count,
15064 current_function_uses_pic_offset_table, nonlocal_labels,
15065 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15066 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15067 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15069 (finish_expr_for_function): Declare.
15070 * flags.h (current_function_has_nonlocal_label,
15071 current_function_has_nonlocal_goto, current_function_is_thunk,
15072 current_function_has_computed_jump): Delete declarations.
15073 * flow.c (forced_labels): Delete declaration.
15074 * function.c (current_function_pops_args,
15075 current_function_returns_struct, current_function_returns_pcc_struct,
15076 current_function_needs_context, current_function_calls_setjmp,
15077 current_function_calls_longjmp, current_function_has_nonlocal_label,
15078 current_function_has_nonlocal_goto, current_function_is_thunk,
15079 current_function_has_computed_jump, current_function_calls_alloca,
15080 current_function_contains_functions, current_function_returns_pointer,
15081 current_function_epilogue_delay_list, current_function_args_size,
15082 current_function_pretend_args_size, current_function_arg_offset_rtx,
15083 current_function_outgoing_args_size, current_function_varargs,
15084 current_function_stdarg, current_function_args_info, cleanup_label,
15085 current_function_name, current_function_uses_const_pool,
15086 current_function_instrument_entry_exit, current_function_return_rtx,
15087 current_function_uses_pic_offset_table, nonlocal_labels,
15088 current_function_internal_arg_pointer, current_function_cannot_inline,
15089 current_function_check_memory_usage, function_call_count,
15090 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15091 nonlocal_goto_stack_level, return_label, save_expr_regs,
15092 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15093 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15094 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15095 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15096 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15098 (push_function_context_to): Don't save them. Don't call
15099 save_storage_status, save_emit_status or save_expr_status.
15100 (pop_function_context_from): Don't restore them. Don't call
15101 restore_storage_status or restore_expr_status.
15102 (get_func_frame_size): New function.
15103 (get_frame_size): Use it.
15104 (assign_outer_stack_local): Reflect some member name changes in struct
15106 (put_reg_into_stack): Likewise.
15107 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15109 (fixup_var_refs): Likewise.
15110 (fix_lexical_addr): Likewise.
15111 (trampoline_address): Likewise.
15112 (prepare_function_start): Clear field inlinable of current_function.
15113 (init_function_for_compilation): New function.
15114 (expand_dummy_function_end): New function.
15115 (expand_function_end): Call finish_expr_for_function.
15116 * function.h (struct emit_status): New; fields moved here from struct
15117 function and from global variables. Add accessor macros for some of
15119 (struct expr_status): Likewise.
15120 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15121 (struct function): Add fields expr and emit, inlinable, inl_emit,
15122 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15123 inl_max_label_num. Add many comments.
15124 Add accessor macros for all elts of struct function that no longer
15125 have a global variable.
15126 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15127 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15128 stack_slot_list): Delete declarations.
15129 (get_func_frame_size): Declare.
15130 (save_expr_status, restore_expr_status, save_emit_status,
15131 save_storage_status, restore_storage_status): Delete declarations.
15132 (init_virtual_regs): Declare.
15133 * output.h (current_function_pops_args,
15134 current_function_returns_struct, current_function_returns_pcc_struct,
15135 current_function_needs_context, current_function_calls_setjmp,
15136 current_function_calls_longjmp, current_function_calls_alloca,
15137 current_function_has_nonlocal_label, current_function_varargs,
15138 current_function_has_computed_jump, current_function_returns_pointer,
15139 current_function_contains_functions, current_function_args_size,
15140 current_function_pretend_args_size, current_function_stdarg,
15141 current_function_outgoing_args_size, current_function_args_info,
15142 current_function_name, current_function_return_rtx,
15143 current_function_epilogue_delay_list,
15144 current_function_uses_const_pool, current_function_cannot_inline):
15145 Delete declarations.
15146 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15147 regno_reg_rtx): Delete declaration.
15148 (REGNO_POINTER_FLAG): Delete macro.
15149 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15150 function were renamed.
15151 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15153 * toplev.c: Include "function.h".
15154 (current_function_decl): Delete declaration.
15155 (compile_file): Call init_dummy_function_start and
15156 expand_dummy_function_end around some initializations that need to
15158 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15159 Call init_function_for_compilation.
15160 * unroll.c: Include "function.h"
15161 (unroll_loop): Access regno_pointer_* variables through
15164 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15165 (DECL_SAVED_INSNS): use it.
15166 (expand_dummy_function_end): Declare.
15167 (init_function_for_compilation): Declare.
15168 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15169 that it's no longer an INLINE_HEADER.
15170 (expand_call): Likewise.
15171 * integrate.c (finish_inline): Delete function.
15172 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15173 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15174 args. Don't generate an INLINE_HEADER rtx, just return the arg
15175 vector. All callers changed.
15176 (save_for_inline_copying): Create a duplicate struct emit_status to
15177 hold the emit state for compiling the current function. Use this and
15178 the other new fields in struct function that are for integration
15179 instead of an INLINE_HEADER.
15180 Use memcpy instead of bcopy.
15181 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15182 (save_for_inline_nocopy): Similar changes, except no new emit_status
15184 (expand_inline_function): Get information from function structure,
15185 not from an inline header rtx.
15186 (output_inline_function): Lose code to extract the necessary
15187 information from an inline header; simply put back the function
15188 structure into current_function. Clear its inlinable elt.
15189 * rtl.def (INLINE_HEADER): Delete.
15190 * rtl.h: Delete all accessors for an INLINE_HEADER.
15191 (gen_inline_header_rtx): Delete declaration.
15192 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15193 Delete declarations.
15194 (REGNO_POINTER_ALIGN): Delete.
15195 (clear_emit_caches): Declare.
15196 (set_new_last_label_num): Declare.
15198 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15200 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15202 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15203 * stmt.c (is_eh_region): Make sure current_function is present, too.
15205 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15207 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15208 for 64bit PA targets.
15210 * pa.h (SELECT_SECTION): Define.
15211 * som.h (SELECT_SECTION): Delete.
15213 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15215 * alias.c (init_alias_analysis): Wrap call to
15216 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15218 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15220 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15221 <sys/asm.h> contains an asm comment with an apostrophe
15222 * fixinc/inclhack.sh: regen
15223 * fixinc/fixincl.x: regen
15225 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15227 * function.c (init_function_start): Clear prologue & epilogue.
15228 (prologue_epilogue_contains): New function.
15229 * alias.c (init_alias_analysis): Use it.
15230 * rtl.h (prologue_epilogue_contains): Declare it.
15232 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15234 * jump.c (onlyjump_p): New function.
15235 * rtl.h: Declare it.
15236 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15237 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15239 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15241 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15242 to invert loops. Simplify block scanning.
15244 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15246 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15247 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15249 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15251 * config/sparc/liteelf.h: New file to support sparclite-elf target
15252 * config/sparc/t-sp86x: New file to support sparc86x targets
15253 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15254 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15255 * configure.in: Support above target triplets
15256 * configure: Regenerated
15258 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15260 * fixinc/server.c (server_setup): Do not prefix function used as
15261 parameter with `&'.
15263 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15265 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15266 Remove fp reg alternatives.
15268 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15270 * Makefile.in (TAROUTOPTS): Kill.
15271 (install-headers-tar): Use "xpf" for tar headerfile extraction
15272 * i370/x-oe (TAROUTOPTS): Delete.
15273 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15274 * m68k/x-hp320 (TAROUTOPTS): Delete.
15275 * m68k/x-hp320g (TAROUTOPTS): Delete.
15276 * gcc.texi: Update bug reporting text.
15278 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15280 * reg-stack.c (change_stack) Fixed problem with negative array index.
15282 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15284 * extend.texi, install.texi: Fix spelling mistakes.
15286 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15287 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15288 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15289 PREMADE_ATTRTAB_MD.
15290 * mips/t-ecoff: Likewise.
15291 * mips/t-elf: Likewise.
15292 * mips/t-mips: Likewise.
15293 * mips/t-osfrose: Likewise.
15294 * mips/t-r3900: Likewise.
15295 * mips/t-svr3: Likewise.
15296 * mips/t-svr4: Likewise.
15297 * mips/t-ultrix: Likewise.
15299 * gcc.texi: Document recommend means to provide software floating
15300 point libraries in libgcc.a
15302 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15304 * c-lex.c (yylex): We can have a number with no digits.
15306 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15308 * jump.c (delete_prior_computation): New function, broken
15309 out of delete_computation. Check for side effects with
15310 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15311 multi-word hard registers.
15312 (delete_computation): Use it. Check for side effects with
15313 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15314 missing REG_DEAD note for a register which is both set and
15317 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15319 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15320 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15321 (ASM_FILE_START): Import _mcount with the right type.
15322 (ASM_DECLARE_FUNCTION_NAME): Define.
15323 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15324 * pa.c (output_function_prologue): Always emit the function's label
15326 * pa.h (TEXT_SPACE_P): Define.
15327 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15328 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15329 * som.h (TEXT_SPACE_P): Delete.
15330 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15331 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15333 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15335 * expr.c (emit_group_load): Allow src to be a CONCAT.
15337 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15339 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15340 (___mulsi3): Use '!' comment character.
15342 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15344 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15346 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15348 * gcc.c: Update URLs and mail addresses.
15349 * gcc.texi: Likewise.
15351 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15353 * rs6000.c (current_file_function_operand): Return zero for
15355 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15357 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15360 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15362 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15363 allocate space in the stack frame for the PIC register.
15365 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15367 * m68k.md (xordi3, anddi3): These patterns are not available on
15370 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15372 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15373 (PUT_REAL): Likewise.
15375 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15377 * final.c (shorten_branches): Don't add an alignment for loops
15378 that have no label inside.
15380 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15382 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15383 prototypes in macro HAVE_cmpstrsi.
15385 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15387 * emit-rtl.c (operand_subword): Remove unused variable
15390 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15392 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15394 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15396 * cpphash.c (macroexpand): Delete leading whitespace when arg
15397 is concatenated before.
15398 (unsafe_chars): Correct test for whether + and - can extend a
15401 * cppinit.c (cpp_start_read): Do dependencies for
15402 -include/-imacros files also.
15404 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15405 tokenizing non-directive lines.
15406 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15407 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15410 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15412 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15414 * c-lex.c: Sync with C++ frontend.
15415 (linemode): New variable.
15416 (parse_float): imag, conversion_errno, and type are output only.
15417 (yylex): Adjust. Move initial '.' case into main switch.
15419 (handle_generic_pragma): Just deal with tokens.
15420 (readescape): Use ISXDIGIT and ISGRAPH.
15421 * c-parse.in: Add END_OF_LINE token.
15423 * c-lex.c (lang_init): Generalize.
15424 (nextchar): Remove. Replace uses with UNGETC.
15425 (skip_white_space): Handle linemode here. Optimize for cpplib.
15426 (skip_white_space_on_line): Remove.
15427 (extend_token_buffer_to): New fn.
15428 (extend_token_buffer): Use it.
15429 (read_line_number, check_newline): Just deal with tokens.
15430 (token_getch, token_put_back): New fns.
15431 (yylex): Use them. More cpplib optimizations. Simplify.
15433 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15434 Jason Merrill <jason@yorick.cygnus.com>
15436 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15437 (consume_string): Make this smart about USE_CPPLIB.
15438 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15439 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15440 Also, clean up cases where we redundantly set token_buffer[0].
15441 (read_line_number): New fn.
15442 (ignore_escape_flag): New variable.
15444 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15446 * a29k/t-a29kbare: Fix some comments.
15447 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15448 (FPBIT, DPBIT): Define.
15449 * a29k/t-vx29k: Likewise.
15450 * arc/t-arc: Likewise.
15451 * arm/t-arm-elf: Likewise.
15452 * arm/t-bare: Likewise.
15453 * arm/t-pe: Likewise.
15454 * arm/t-pe-thumb: Likewise.
15455 * arm/t-semi: Likewise.
15456 * arm/t-thumb: Likewise.
15457 * arm/t-thumb-elf: Likewise.
15458 * arm/t-thumb-linux: Likewise.
15459 * h8300/t-h8300: Likewise.
15460 * i960/t-i960: Likewise.
15461 * i960/t-vxworks960: Likewise.
15462 * m32r/t-m32r: Likewise.
15463 * mips/t-ecoff: Likewise.
15464 * mips/t-elf: Likewise.
15465 * mips/t-r3900: Likewise.
15466 * pa/t-pro: Likewise.
15467 * rs6000/t-aix43: Likewise.
15468 * rs6000/t-beos: Likewise.
15469 * rs6000/t-newas: Likewise.
15470 * rs6000/t-ppccomm: Likewise.
15471 * rs6000/t-rs6000: Likewise.
15472 * rs6000/t-winnt: Likewise.
15473 * rs6000/t-xnewas: Likewise.
15474 * rs6000/t-xrs6000: Likewise.
15475 * sh/t-sh: Likewise.
15476 * sparc/t-elf: Likewise.
15477 * sparc/t-sparcbare: Likewise.
15478 * sparc/t-sparclite: Likewise.
15479 * sparc/t-splet: Likewise.
15480 * v850/t-v850: Likewise.
15481 * mn10200/t-mn10200: Fix comments.
15482 * mn10300/t-mn10300: Likewise.
15484 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15485 dummy operand. Allocate a new pseudo for the dummy operand.
15486 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15488 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15490 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15492 * configure: Rebuilt.
15493 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15495 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15497 * recog.c (preproces_constraints): Zero recog_op_alt before
15498 processing the constraints.
15500 * arm.c (typedef minipool_node): Renamed from pool_node.
15501 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15502 (add_minipool_constant): New function.
15503 (dump_minipool): New function.
15504 (find_barrier): Remove special case for getting the insn size of
15505 an insn that references the constant pool.
15506 (minipool_fixup): New structure.
15507 (push_minipool_barrier): New function.
15508 (push_minipool_fix): New function.
15509 (note_invalid_constants): New function.
15510 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15511 (arm_reorg): Rewrite code to fix up the constant pool into a
15512 series of mini-pools embedded in the insn stream.
15513 (arm_output_epilogue): New function, made mainly from the body
15514 of output_func_epilogue.
15515 (output_func_epilogue): Move insn generation part of epilogue code
15516 to arm_output_epilogue.
15517 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15518 * arm.md (pool_range): New attribute.
15519 (zero_extendqidi2): Add attribute pool_range.
15520 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15521 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15522 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15523 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15524 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15525 (epilogue): New expand.
15526 (epilogue_insn): New insn. Call arm_output_epilogue.
15528 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15529 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15531 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15533 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15535 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15537 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15539 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15541 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15543 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15545 * global.c: Fix comment.
15547 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15549 * gcc.c (access_check): New static function.
15550 (find_a_file): Use it when searching a directory list.
15551 * collect2.c (find_a_file): Don't accept directories found when
15552 searching a directory list.
15554 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15556 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15557 function parameters with `&'.
15558 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15560 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15562 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15563 or tidy_fallthru_edge if the last insn in the block is not
15564 an unconditional jump or a simple conditional jump.
15566 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15568 * Makefile.in (c-decl.o): Depends on defaults.h.
15570 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15572 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15574 (CLASS_MAX_NREGS): Likewise.
15576 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15578 * cse.c (cse_insn): Fix dumb thinko in last change.
15580 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15582 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15585 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15587 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15588 test for sizes of passed and declared parameter types.
15590 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15592 * fixincludes: Fix the return type of bsearch, char* -> void*.
15594 * fixinc/inclhack.def: Likewise.
15596 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15598 * invoke.texi (-fdump-translation-unit): New option.
15600 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15602 * expr.h (PROMOTE_PROTOTYPES): Move ...
15603 * defaults.h: ... to here.
15604 * c-decl.c: Include defaults.h instead of expr.h.
15605 * c-typeck.c: Include defaults.h.
15607 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15609 * toplev.h (errorcount): Declare.
15610 (warningcount): Likewise.
15611 (sorrycount): Likewise.
15612 * c-lex.c (errorcount): Don't declare.
15613 * dwarf2out.c (errorcount): Don't declare.
15615 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15617 * config/libgloss.h: Add a note discouraging use with ELF.
15618 * configure.in: Don't use libgloss.h for ELF targets.
15619 Always use_collect2 on a.out targets.
15621 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15623 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15624 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15626 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15628 * loop.c (strength_reduce): When doing biv->giv conversion, update
15629 reg note of NEXT->insn.
15631 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15633 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15635 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15637 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15638 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15639 Ensure expr.h is included.
15640 * c-typecheck.c (convert_arguments): Ditto.
15642 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15644 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15645 * config/convex/convex.h: Ditto.
15646 * config/dsp16xx/dsp16xx.h: Ditto.
15647 * config/fx80/fx80.h: Ditto.
15648 * config/gmicro/gmicro.h: Ditto.
15649 * config/i370/i370.h: Ditto.
15650 * config/i386/i386.h: Ditto.
15651 * config/m32r/m32r.h: Ditto.
15652 * config/m68k/m68k.h: Ditto.
15653 * config/m88k/m88k.h: Ditto.
15654 * config/mips/mips.h: Ditto.
15655 * config/pa/pa.h: Ditto.
15656 * config/pyr/pyr.h: Ditto.
15657 * config/tahoe/tahoe.h: Ditto.
15658 * config/we32k/we32k.h: Ditto.
15660 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15661 based on arch size.
15663 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15665 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15668 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15670 1999-08-02 Richard Henderson <rth@cygnus.com>
15672 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15673 for the register spill block.
15674 (m32r_va_arg): New.
15675 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15676 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15678 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15679 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15680 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15682 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15684 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15685 MAX_WCHAR_TYPE defined in sparc.h.
15686 * config/sparc/linuxaout.h: Likewise.
15687 * config/sparc/linux64.h: Likewise.
15688 Also default to -mvis if CPU is UltraSPARC.
15690 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15692 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15693 (RTX_OK_FOR_OLO10): Likewise.
15694 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15695 %lo(), allow it in addresses...
15696 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15697 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15698 does not make sense.
15699 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15700 (sparc_output_scratch_registers): New function.
15701 (output_function_prologue, sparc_flat_output_function_prologue): Use
15703 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15705 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15706 * configure.in: Add check for .register pseudo-op support in as and
15707 check for offsetable %lo().
15708 * acconfig.h: Add templates for the above checks.
15709 * configure: Regenerate.
15711 1999-08-02 Richard Henderson <rth@cygnus.com>
15713 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15714 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15715 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15717 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15719 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15722 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15724 * config/float-sparc.h: New file.
15725 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15726 sparc-*-linux-gnu and sparc64-*-linux*.
15728 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15730 * rs6000.c (rs6000_va_list): Type is an array.
15731 (rs6000_va_start): Don't doubly adjust for varargs.
15732 (rs6000_va_arg): Evaluate long long GPR adjustment.
15734 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15736 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15737 -maix64 and -maix32.
15738 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15739 LINK_SPEC): Change appropriately.
15740 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15741 (u_short_cint_operand): Likewise.
15742 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15744 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15746 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15748 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15750 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15751 for type promotion.
15752 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15753 (non_add_cint_operand): Likewise.
15754 (logical_operand): Likewise.
15755 (non_logical_cint_operand): Likewise.
15756 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15757 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15758 (rs6000_select_rtx_section): Suppress warning.
15759 (small_data_operand): Suppress warning.
15760 (rs6000_got_register): Suppress warning.
15761 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15762 type, so `J' is generally the wrong constraint for a SImode value;
15764 (andsi3_internal2): Likewise.
15765 (andsi3_internal3): Likewise.
15766 (iorsi3_internal1): Likewise.
15767 (xorsi3_internal1): Likewise.
15769 (movsf_softfloat): Likewise.
15770 (scc insns): Likewise.
15771 (movsi+2): Preserve sign bits of SImode constant.
15772 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15773 (movdf+1): Sign-extend properly.
15774 (movdi_32+1): Sign-extend properly.
15775 (scc insns): Sign-extend properly.
15777 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15780 1999-08-02 Richard Henderson <rth@cygnus.com>
15782 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15783 -mcpu parsing code.
15784 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15785 * alpha.md (all fp insns): Likewise.
15787 1999-08-02 Nick Clifton <nickc@cygnus.com>
15789 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15792 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15794 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15795 pic_load_label generator directly.
15796 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15797 No longer a named pattern.
15799 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15801 * explow.c (force_reg): Call force_operand if X does not
15802 satisfy general_operand.
15804 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15806 * fix-header.c (main): When testing for CONTINUED, use string
15807 equality, not pointer equality.
15809 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15811 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15813 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15815 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15816 that has become an unconditional jump.
15818 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15819 (output_function_epilogue): Similarly.
15821 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15823 * tree.h (init_dummy_function_start): Declare.
15825 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15827 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15828 last_expr_type, last_expr_value, block_start_count, block_stack,
15829 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15830 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15831 dynamically in stmt elt of struct function for each function.
15832 (struct nesting): Rename function_call_count elt to n_function_calls,
15833 target_temp_slot_level to block_target_temp_slot_level. All users
15835 (struct stmt_status): New structure definition.
15836 Add many accessor macros for stmt_status elements which previously
15837 were global variables.
15838 (init_stmt_for_function): Allocate stmt elt for current_function.
15839 Reflect that block_start_count was renamed to
15840 current_block_start_count.
15841 (save_stmt_status, restore_stmt_status): Delete functions.
15842 (preserve_subexpressions_p): Don't access loop_stack when outside
15844 (expand_start_bindings): Reflect that block_start_count was renamed to
15845 current_block_start_count.
15846 (expand_fixup): Likewise.
15847 (expand_decl): Don't access block_stack when outside a function.
15848 (expand_decl_cleanup): Likewise.
15849 (expand_dcc_cleanup): Likewise.
15850 (expand_dhc_cleanup): Likewise.
15851 (expand_anon_union_decl): Likewise.
15852 (set_file_and_line_for_stmt): New function.
15853 (in_control_zone_p): New function.
15855 * function.h (struct function): Add new elt stmt.
15856 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15857 case_stack, nesting_stack, nesting_depth, block_start_count,
15858 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15859 emit_lineno, goto_fixup_chain.
15860 (save_eh_status, restore_eh_status, save_stmt_status,
15861 restore_stmt_status): Delete declarations.
15862 * function.c (push_function_context_to): Don't call save_stmt_status.
15863 (pop_function_context_to): Don't call restore_stmt_status.
15864 * tree.h (in_control_zone_p): Declare.
15865 * rtl.h (set_file_and_line_for_stmt): Declare.
15867 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15868 call set_file_and_line_for_stmt.
15870 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15872 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15873 Also update copyright.
15875 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15877 * c-pragma.c: Don't include "except.h".
15878 * emit-rtl.c: Likewise.
15879 * stor-layout.c: Likewise.
15880 * tree.c: Likewise.
15881 * varasm.c: Likewise.
15883 * flow.c: Include "function.h".
15884 * tree.h (init_dummy_function_start): Declare new function.
15886 * except.h (struct eh_status): New structure.
15887 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15889 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15890 catch_clauses, false_label_stack, caught_return_label_stack,
15891 protect_list, current_function_ehc): Add accessor macros for the
15892 corresponding fields in current_function->eh; delete declarations
15893 for all items that used to be declared here.
15894 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15895 catch_clauses, false_label_stack, caught_return_label_stack,
15896 protect_list, current_function_ehc): Delete variables.
15897 (init_eh_for_function): Allocate current_function->eh.
15898 (save_eh_status, restore_eh_status): Delete functions.
15900 * function.h (struct function): Add fields next_global and eh.
15901 Delete all exception handling related fields.
15902 * function.c (current_function): New variable.
15903 (all_functions): New variable.
15904 (push_function_context_to): Don't allocate a struct function,
15905 use current_function instead. Call init_dummy_function_start when
15906 outside a function. Clear current_function before returning.
15907 (pop_function_context_from): Restore current_function.
15908 Don't free the restored struct function.
15909 (prepare_function_start): New function.
15910 (init_dummy_function_start): New function.
15911 (init_function_start): Break out some code into prepare_function_start
15914 * stmt.c (save_stmt_status): Don't call save_eh_status.
15915 (restore_stmt_status): Don't call restore_eh_status.
15917 * Makefile.in: Update dependencies.
15919 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15921 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15922 of depending on a magic constant value. Update comments.
15923 (hppa_expand_prologue): Similarly.
15925 * pa.md (reload_indi, reload_outdi): Allow any register for the
15926 original reload register.
15928 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15930 * cccp.c (print_help): Change marcos to macros.
15932 1999-07-30 Richard Henderson <rth@cygnus.com>
15934 * c-typeck.c (initializer_constant_valid_p): Move ...
15935 * c-common.c (initializer_constant_valid_p): ... here. Use
15936 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15937 of label addresses.
15938 * c-common.h (initializer_constant_valid_p): Declare.
15939 * c-tree.h (initializer_constant_valid_p): Remove.
15941 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15943 * config/i386/sol2-c1.asm: Align the stack.
15944 * config/i386/sol2-gc1.asm: Likewise.
15946 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15948 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15949 -Asparclite for sparc86x.
15950 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15952 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15954 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15956 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15957 the user if using the non-default arch size in BI_ARCH configuration.
15958 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15960 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15961 Fix patterns so that they actually match.
15962 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15963 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15964 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15966 (mulsidi3): Reflect this in the expand.
15967 (smulsi3_highpart): Only on TARGET_ARCH32.
15968 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15969 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15970 (umulsidi3): Reflect this in the expand.
15971 (umulsi3_highpart): Only on TARGET_ARCH32.
15972 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15973 don't require g0 to be zero.
15974 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15975 ({,u}divsi3): New expands.
15976 ({,u}divsi3_sp64): New patterns.
15977 (after lshrdi3_v8plus): Four new patterns to help combiner
15978 optimizing nested mixed mode shifts.
15980 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15981 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15982 speed things up. Don't use them by default on plain v9 in 64bit
15983 mode, according to what SPAMv9 sais.
15985 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15986 top 32 bits of %[og][0-7] in signal handlers.
15987 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15989 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15991 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15992 (ashlsi3): Corresponding changes.
15994 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15996 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15998 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
16000 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16002 * arm.h (Hint): Delete macro.
16003 Substitute HOST_WIDE_INT for Hint in some prototypes.
16004 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
16006 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16008 * builtins.c (expand_builtin_setjmp): Use force_operand to
16009 make sure that the buffer address is in a suitable form to be
16010 passed to force_reg.
16012 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16014 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16017 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16019 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16020 proper mode in the condition string.
16021 (icacheflush, dcacheflush): Remove modes from match_operands.
16023 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16024 proper mode before using it.
16026 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16029 * pa.c (store_reg): Do not call add_high_const generator directly.
16030 (load_reg, set_reg_plus_d): Likewise.
16031 * pa.md (add_high_const): No longer a named pattern.
16033 * pa.c (legitimize_address): Consistently use Pmode rather than
16034 SImode. Do not call gen_pic2_highpart directly anymore.
16035 * pa.md (pic2_highpart): No longer a named pattern.
16036 (pic2_lo_sum): Similarly. Reformat to make more readable.
16038 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16043 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16045 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16047 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16049 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16050 and tag the spill mems.
16051 (hppa_va_start): New.
16052 (hppa_va_arg): New.
16053 * pa.h (EXPAND_BUILTIN_VA_START): New.
16054 (EXPAND_BUILTIN_VA_ARG): New.
16056 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16058 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16059 and tag the spill mems.
16060 (mn10300_va_start): New.
16061 (mn10300_va_arg): New.
16062 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16063 (EXPAND_BUILTIN_VA_ARG): New.
16065 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16067 * mn10200.c (mn10200_va_arg): New.
16068 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16070 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16072 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16073 rather than play with TREE_INT_CST_LOW.
16075 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16077 * config/arm/telf.h: Include dbxelf.h.
16078 (CPP_PREDEFINES): Only define if not already defined.
16079 (ASM_IDENTIFY_GCC): Likewise.
16080 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16081 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16082 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16084 (DBX_DEBUGGING_INFO): Don't define.
16085 * config/arm/linux-telf.h: New file.
16086 * config/arm/linux-tgas.h: New file.
16087 * config/arm/t-thumb-linux: New file.
16088 * config/arm/uclinux-elf.h: New file.
16089 * config/arm/uclinux-telf.h: New file.
16090 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16091 thumb-*-uclinux): New targets.
16092 * configure: Regenerate.
16094 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16096 * pa.md (post_store, pre_load): New expanders.
16097 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16098 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16099 need to directly generate RTL for them.
16100 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16103 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16105 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16106 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16107 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16108 (secndary_reload_class): Make TARGET_ELF conditional compile.
16109 (print_operand_address): Similar.
16110 (output_toc): Print all values as hex.
16111 (get_issue_rate): Rearrange and add RS64A and PPC630.
16112 * rs6000.h (processor_type): Add RS64A and PPC630.
16113 (PROCESSOR_POWERPC64): New.
16114 (PROMOTE_MODE): Use word_mode.
16115 (RTX_COSTS): Add RS64A and PPC630.
16116 * rs6000.md (scheduling information): Add lmul and ldiv
16117 representing 64-bit integer multiply and divide. Add rs64a and
16118 PPC630 information.
16119 (ashldi3): Add support for "rldic" instruction.
16120 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16122 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16124 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16125 instead of V8 for sparclite86x in cpu_table.
16127 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16129 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16130 output_file_directive.
16132 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16134 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16135 tree for op1, not the rtl.
16137 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16139 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16140 to m88k_va_start, leaving only the register spill.
16141 (m88k_build_va_list): New.
16142 (m88k_va_start): New.
16143 (m88k_va_arg): New.
16144 * m88k.h (BUILD_VA_LIST_TYPE): New.
16145 (EXPAND_BUILTIN_VA_START): New.
16146 (EXPAND_BUILTIN_VA_ARG): New.
16148 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16150 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16151 Rename from expand_builtin_saveregs.
16152 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16154 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16156 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16157 for the register spill block.
16158 (i960_build_va_list): New.
16159 (i960_va_start): New.
16160 (i960_va_arg): New.
16161 * i960.h (BUILD_VA_LIST_TYPE): New.
16162 (EXPAND_BUILTIN_VA_START): New.
16163 (EXPAND_BUILTIN_VA_ARG): New.
16164 * i960.md (store_multiple): Use change_address on individul mems.
16166 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16168 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16170 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16171 (expand_builtin_va_end): Evaluate arg for side effects.
16172 * c-common.c (c_common_nodes_and_builtins): Construct a
16173 va_list_arg_type_node to handle array decomposition to pointer.
16175 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16177 * except.c (start_dynamic_cleanup): Use force_operand on the
16180 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16182 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16183 * c4x.c (c4x_va_arg): New.
16185 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16187 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16188 has manual_pop set.
16190 1999-07-26 Nathan Sidwell <nathan@acm.org>
16192 * eh-common.h (__eh_matcher): Prototype correctly.
16194 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16196 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16197 (TARGET_SINGLE_PIC_BASE): Likewise.
16198 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16200 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16201 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16202 (TARGET_OPTIONS): Add -mpic-register=N.
16203 (OUTPUT_INT_ADDR_CONST): New macro.
16204 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16205 LEGITIMATE_PIC_OPERAND_P): Likewise.
16206 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16207 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16208 output_addr_const directly.
16209 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16211 (thumb_pic_register, thumb_pic_register_string): Declare.
16213 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16215 (label_mentioned_p): New function: Imported from arm.c.
16216 (legitimize_pic_address): New function: Imported from arm.c.
16217 (is_pic):New function: Imported from arm.c.
16218 (thumb_finalize_pic):New function: Imported from arm.c.
16219 (add_constant): Cope with PIC constants.
16220 (fixit): Cope with PIC constants.
16221 (output_return): Do not treat the PIC register as live if
16222 TARGET_SINGLE_PIC_BASE is true.
16223 (thumb_function_prologue): Do not treat the PIC register as live if
16224 TARGET_SINGLE_PIC_BASE is true.
16225 (thumb_expand_prologue): Do not treat the PIC register as live if
16226 TARGET_SINGLE_PIC_BASE is true.
16227 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16228 TARGET_SINGLE_PIC_BASE is true.
16229 (thumb_print_operand): Accept '|'.
16230 (thumb_override_options): Process PIC options.
16232 * config/arm/thumb.md (movsi): Support PIC.
16233 (call_insn): Change "i" constraint to "X".
16234 (call_value_insn): Likewise.
16235 (consttable_4, consttable_8, consttable_end): Set and clear
16236 "making_const_table" as appropriate.
16237 (pic_load_addr, pic_add_dot_plus_four): New insns.
16239 * invoke.texi (Thumb Options): Fix spelling. Document new
16240 options -msingle-pic-base and -mpic-register=.
16242 1999-07-26 Andrew Haley <aph@cygnus.com>
16244 * config/m32r/initfini.c (__init): Use a full word immediate for
16245 __fini: this allows it to be placed in any memory region.
16247 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16248 -mmodel=medium. This is OK for all memory models.
16250 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16252 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16253 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16255 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16257 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16260 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16262 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16264 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16265 (BUILD_VA_LIST_TYPE): New.
16266 (EXPAND_BUILTIN_VA_START): New.
16267 (EXPAND_BUILTIN_VA_ARG): New.
16268 * i860.c (output_delayed_branch): Disable.
16269 (output_delay_insn): Likewise.
16270 (i860_saveregs): New.
16271 (i860_build_va_list): New.
16272 (i860_va_start): New.
16273 (i860_va_arg): New.
16274 * i860.md: Disable all peepholes using output_delayed_branch.
16275 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16277 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16279 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16280 (BUILD_VA_LIST_TYPE): New.
16281 (EXPAND_BUILTIN_VA_START): New.
16282 (EXPAND_BUILTIN_VA_ARG): New.
16283 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16284 Return the address of the save area.
16285 (clipper_build_va_list): New.
16286 (clipper_va_start): New.
16287 (clipper_va_arg): New.
16289 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16291 * arc.h (EXPAND_BUILTIN_VA_START): New.
16292 (EXPAND_BUILTIN_VA_ARG): New.
16293 * arc.c (arc_setup_incoming_varargs): Set alias set of
16295 (arc_va_start): New.
16298 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16300 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16301 (BUILD_VA_LIST_TYPE): New.
16302 (EXPAND_BUILTIN_VA_START): New.
16303 (EXPAND_BUILTIN_VA_ARG): New.
16304 * alpha.c (alpha_builtin_saveregs): Delete.
16305 (alpha_build_va_list): New.
16306 (alpha_va_start): New.
16307 (alpha_va_arg): New.
16309 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16311 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16313 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16314 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16316 * gcc.texi: More changes related to list conversion.
16317 * invoke.texi: Likewise.
16319 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16321 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16322 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16323 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16324 (stabilize_va_list): New function.
16325 (std_expand_builtin_va_start): New function.
16326 (expand_builtin_va_start): New function.
16327 (get_varargs_alias_set): New function.
16328 (std_expand_builtin_va_arg): New function.
16329 (expand_builtin_va_arg): New function.
16330 (expand_builtin_va_end): New function.
16331 (expand_builtin_va_copy): New function.
16332 (expand_builtin): Call them.
16333 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16334 __builtin_{varargs_start,stdarg_start,end,copy}.
16335 (build_va_arg): New function.
16336 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16337 (build_va_arg): Declare.
16338 * c-decl.c (ptr_type_node, va_list_type_node): New.
16339 * c-parse.gperf (__builtin_va_arg): New.
16340 * c-parse.in (VA_ARG): New token.
16341 (unary_expr): Recognize it.
16342 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16343 * expr.h (std_expand_builtin_va_start): Declare.
16344 (std_expand_builtin_va_arg): Declare.
16345 (expand_builtin_va_arg): Declare.
16346 (get_varargs_alias_set): Declare.
16347 * tree.def (VA_ARG_EXPR): New.
16348 * tree.h (BUILT_IN_VARARGS_START): New.
16349 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16350 (ptr_type_node, va_list_type_node): Declare.
16351 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16352 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16353 * m88k.h, m88k.c: Likewise.
16354 * mn10300.h, mn10300.c: Likewise.
16355 * pa.h, pa.c: Likewise.
16356 * rs6000.h, rs6000.c: Likewise.
16357 * sh.h, sh.c: Likewise.
16358 * sparc.h, sparc.c: Likewise.
16360 * emit-rtl.c (operand_subword): Copy alias set.
16361 (change_address): Likewise.
16363 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16365 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16366 not just the first one.
16368 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16370 * config/arm/arm.h (TARGET_SWITCHES): Add
16371 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16372 (TARGET_OPTIONS): Add -mpic-register=.
16373 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16374 (arm_pic_register_string): Declare.
16375 (NEED_PLT_GOT): Delete, replace with ...
16376 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16377 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16378 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16379 * config/arm/arm.c (arm_override_options): Add new option
16381 (arm_pic_register_string): New variable.
16382 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16383 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16384 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16385 (output_return_instruction): Likewise.
16386 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16387 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16388 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16390 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16391 mention of -msched-prolog. Document new options -msingle-pic-base
16392 and -mpic-register=.
16394 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16396 * haifa-sched.c (reemit_notes): Tidy.
16397 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16400 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16402 * explow.c (trunc_int_for_mode): New function.
16403 (plus_constant_wide): Use it.
16404 * combine.c (simplify_and_const_int): Likewise.
16405 (merge_outer_ops): Likewise.
16406 (simplify_shift_const): Likewise.
16407 * cse.c (simplify_unary_operation): Likewise.
16408 (simplify_binary_operation): Likewise.
16409 * emit-rtl.c (operand_subword): Likewise.
16410 * rtl.h: Declare it.
16412 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16414 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16415 (use NUM_REGS instead of NUM_INTS).
16417 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16419 * builtins.c: New file.
16420 * expr.c (saveregs_value, apply_args_value): Delete definition,
16421 moved into builtins.c.
16422 (string_constant): No longer static.
16423 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16424 apply_args_size, apply_result_size, result_vector,
16425 expand_builtin_apply_args, expand_builtin_apply,
16426 expand_builtin_return): Delete functions, moved into builtins.c.
16427 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16428 * expr.h (saveregs_value, apply_args_value): Declare variables.
16429 (expand_builtin, string_constant): Declare functions.
16430 * Makefile.in: Update to build builtin.o.
16432 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16434 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16435 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16436 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16437 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16439 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16442 1999-07-21 Michael Meissner <meissner@cygnus.com>
16444 * print-rtl.c (print_rtx): Print the names of the virtual
16447 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16449 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16450 introduced in previous delta.
16452 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16454 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16455 to avoid name clash.
16457 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16459 * c-lex.c (yylex) : Correct the test for overflow when lexing
16462 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16464 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16465 (adjust_priority): Always call ADJUST_PRIORITY.
16466 (schedule_insn): Only put insns into the ready at cost 0.
16467 (schedule_block): Remove redundant initial sort. Give clock_var
16468 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16470 * tm.texi (MD_SCHED_REORDER): Update docs.
16472 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16473 * sparc.c (ultra_reorder_called_this_block): Delete.
16474 (ultrasparc_sched_init): Don't set it.
16475 (ultrasparc_sched_reorder): Don't check it.
16477 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16479 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16480 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16481 (function_arg_boundary): Align DFmode.
16482 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16483 to get fp reg and stack overflow correct.
16484 (function_arg): Likewise.
16485 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16486 (setup_incoming_varargs): Restructure for ABI_V4; use
16487 function_arg_advance to skip final named argument.
16488 (expand_builtin_saveregs): Properly unskip the last integer arg
16489 when doing varargs. Adjust overflow location calculation.
16491 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16492 explicitly unsigned.
16493 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16494 (__VA_GP_REGSAVE): Similarly.
16495 (__va_longlong_p): Delete.
16496 (__va_arg_type_violation): New declaration.
16497 (va_arg): Restructure. Flag promotion errors. Align double.
16498 TFmode passed by reference.
16500 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16501 in the HOST_BITS_PER_WIDE_INT > 32 case.
16503 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16505 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16507 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16509 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16510 * toplev.c (documented_lang_options): Add -fpreprocessed.
16511 * cpplib.h (struct cpp_buffer): Add preprocessed.
16512 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16513 (cpp_start_read): Don't expand macros or emit an initial #line
16514 directive if -fpreprocessed.
16516 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16518 * cpplib.h (struct cpp_buffer): Added manual_pop for
16519 better C++ tokenization.
16520 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16521 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16522 * c-common.c (cpp_token): Make non-static.
16524 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16526 * c-common.h: New file.
16527 * c-common.c (permanent_obstack): Delete unused declaration.
16528 (c_global_trees): New array.
16529 (c_common_nodes_and_builtins): New function; split off common code
16530 from init_decl_processing in both c-decl.c and cp/decl.c.
16531 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16532 c_global_trees and accessor macros defined in c-common.h.
16533 Include c-common.h.
16534 * c-decl.c: Delete definitions for tree nodes that were replaced by
16536 (init_decl_processing): Build void_list_node.
16537 Call c_common_nodes_and_builtins; delete code to generate the common
16539 * objc/objc-act.c (build_module_descriptor): Rename variable
16540 void_list_node to avoid clash with c-common.h.
16542 * Makefile.in: Update dependencies.
16543 * objc/Make-lang.in: Likewise.
16545 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16547 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16548 (UNIQUE_SECTION_P): Likewise.
16549 (UNIQUE_SECTION): Likewise.
16551 1999-07-19 Linas Vepstas <linas@linas.org>
16553 * config/i370/README: New file.
16554 * config/i370/linux.h: New file.
16555 * config/i370/mvs.h: New file.
16556 * config/i370/oe.h: New file.
16557 * config/i370/t-linux: New file.
16558 * config/i370/t-mvs: New file.
16559 * config/i370/t-oe: New file.
16560 * config/i370/x-oe: New file.
16561 * config/i370/xm-linux.h: New file.
16562 * config/i370/xm-mvs.h: New file.
16563 * config/i370/xm-oe.h: New file.
16565 * i370.c (label_node_t): Add first_ref_page, label_addr,
16566 label_first_ref, label_last_ref members.
16567 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16568 (MAX_MVS_LABEL_SIZE): Define.
16569 (MAX_LONG_LABEL_SIZE): Define.
16570 (alias_node_t, alias_anchor, alias_number): New.
16571 (mvs_function_table): Reorder for EBCDIC.
16572 (ascebc, ebcasc): Unconditionally define.
16573 (i370_branch_dest, i370_branch_length): New functions.
16574 (i370_short_branch, i370_label_scan): New functions.
16575 (mvs_get_label): Renamed from mvs_add_label. Search for
16576 an existing label before creating a new one.
16577 (mvs_add_label): New function.
16578 (mvs_get_label_page): New function.
16579 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16580 over the entire list.
16581 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16582 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16583 (mvs_add_alias, mvs_need_alias): New functions.
16584 (mvs_get_alias, mvs_check_alias): New functions.
16585 (handle_pragma): New function.
16586 (mvs_function_check): New function.
16587 (unsigned_jump_follows_p): Search harder.
16588 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16589 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16590 * i370.h (TARGET_VERSION): Delete.
16591 (CPP_SPEC, CPP_PREDEFINES): Delete.
16592 (mvs_label_emitted): Delete.
16593 (TARGET_EBCDIC): Delete.
16594 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16595 (HANDLE_PRAGMA): Define.
16596 (HARD_REGNO_NREGS): Handle complex modes.
16597 (HARD_REGNO_MODE_OK): Likewise.
16598 (CLASS_MAX_NREGS): Likewise.
16599 (RET_REG): Likewise.
16600 (EXTRA_CONSTRAINT): Define.
16601 (RETURN_IN_MEMORY): True for DImode.
16602 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16603 (FUNCTION_PROFILER): Delete.
16604 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16605 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16606 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16607 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16608 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16609 (ASM_FILE_START): Add "RMODE ANY".
16610 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16611 (ASM_GLOBALIZE_LABEL): Likewise.
16612 (ASM_OUTPUT_LABELREF): Likewise.
16613 (ASM_OUTPUT_COMMON): Likewise.
16614 (PRINT_OPERAND): Handle 'K', 'W', default.
16615 (PRINT_OPERAND_ADDRESS): New.
16616 (Lots of defines): Add support for TARGET_ELF_ABI.
16617 * i370.md (attr length): New. Define for all patterns.
16618 (*): Lots of tweeks to assembly output and constraints.
16620 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16622 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16623 Disable patterns performing SImode comparisons with SImode values
16624 if TARGET_POWERPC64 and instruction does not sign-extend or does
16625 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16626 differ for signed quantities.
16627 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16628 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16629 (decrement_and_branch_on_count): Add 64-bit variant.
16631 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16633 * final.c (output_asm_insn): When searching for the matching string
16634 for a given dialect, don't run past the end of the list of
16635 alternatives if there are fewer alternatives in the template than
16638 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16640 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16641 Removed paragraph about compression of files and size limitation,
16642 duplicated in the FAQ. Use gcc-patches for posting patches.
16643 * gcc.c (main): Updated URL with bug reporting instructions to
16644 gcc.gnu.org. Removed e-mail address.
16645 * system.h (abort): Likewise.
16647 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16649 * Makefile.in (stmp-multilib-sub): Make the files extracted
16650 from $(LIBGCC1) writable.
16652 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16654 * config/arm/aout.h: Reformat for improved readability.
16656 * config/arm/arm.h: Reformat for improved readability.
16657 Replace uses of fprintf with asm_fprintf where appropriate.
16658 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16659 function declaration assembler actions.
16660 (NUM_INTS): New macro: Convert from bytes to words.
16661 (NUM_REGS): New macro: Compute number of registers required to
16662 hold a quanitity of tyep MODE.
16663 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16665 (NUM_ARG_REGS): New macro: The number of argument registers
16667 (ARG_REGISTER): New macro: Compute the register number of the Nth
16669 (LAST_ARG_REGNUM): New macro: The number of the last argument
16671 (SP_REGNUM): New macro: Register number of the stack pointer.
16672 (FP_REGNUM): New macro: Register number of the frame pointer.
16673 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16674 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16675 CUMULATIVE_ARGS so that it counts registers not bytes.
16677 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16679 Replace uses of fprintf with asm_fprintf where appropriate.
16680 (output_ascii_pseudo_op): Replace with version from thumb.c
16682 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16684 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16685 SUBTARGET_CPP_SPEC.
16686 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16687 (ASM_FILE_START): Emit ASM_APP_OFF.
16689 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16691 * pa.c (compute_frame_size): Round frame according to
16692 STACK_BOUNDARY rather than a hardwired value.
16694 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16696 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16698 * configure: Rebuilt.
16700 * configure.in (hppa*-*-linux*): New configuration.
16701 * configure: Rebuilt.
16702 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16703 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16704 * pa/pa-linux.h: New file.
16705 * pa/t-linux: New file.
16706 * pa/xm-linux.h: New file.
16708 * pa.c (hppa_legitimize_address): Change references from SImode to
16709 either Pmode or word_mode as appropriate.
16710 (emit_move_sequence, store_reg, load_reg): Likewise.
16711 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16712 (output_mul_insn): Likewise.
16713 * pa.h (PROMOTE_MODE): Likewise.
16714 (INITIALZE_TRAMPOLINE): Likewise.
16715 (Pmode): Define to word_mode.
16717 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16718 value of 4. Allocate 8 bytes for each FP register save.
16719 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16721 (hppa_expand_prologue): Likewise.
16722 * pa.h (PROMOTE_MODE): Likewise.
16723 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16724 (FUNCTION_ARG_BOUNDARY): Likewise.
16726 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16728 * pa.c (out_of_line_prologue_epilogue): Delete.
16729 (override_options): Remove -mspace related code.
16730 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16731 (compute_frame_size): Only allocate space for register that
16732 actually need to be saved.
16733 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16734 (TARGET_SWITCHES): Remove -mspace, -mno-space
16735 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16736 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16737 * pa/ee.asm, pa/ee_fp.asm: Delete.
16739 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16741 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16742 directive in column zero.
16744 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16746 * m68k.c (output_function_prologue): Fix computation of save mask
16747 when generating PIC code.
16749 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16751 * tree.c (build_type_attribute_variant): Move current_obstack restore
16752 after build_qualified_type call.
16754 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16756 * configure.in: Use t-iris6, even with GNU LD.
16757 * config/mips/iris6gld.h: Fix typo in linker spec.
16758 * config/mips/t-iris6gld: Remove.
16760 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16762 * rs6000.md (insv, extzv): Remove SImode dependence in named
16763 patterns. Explicitly generate DImode RTL if PowerPC64 and
16765 (insvdi): Reverse start and size in instruction template.
16767 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16769 * invoke.texi: Typo fixes.
16771 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16773 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16774 handle at this time instead of silently generating incorrect code.
16775 (gen_imagpart): Likewise.
16777 * reload.c (find_reloads): Emit a USE for a pseudo register without
16778 a hard register if we could not create an optional reload for the
16781 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16783 * c-typeck.c (output_init_element, process_init_element):
16784 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16785 check for nameless bit fields.
16787 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16789 * regclass.c (scan_one_insn): Notice subregs that change the
16790 size of their operand.
16791 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16793 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16795 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16796 * configure: Rebuilt.
16797 * alpha/t-ieee: New file.
16799 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16801 * rs6000.c (find_addr_reg): Do not select r0 as an address
16804 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16806 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16808 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16810 * rs6000.md (movsf): Do not force easy FP constants into memory.
16812 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16813 immed_double_const to ensure they are properly truncated then
16816 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16818 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16819 always unless NO_DEBUG is used. Compile this code
16821 (replace_symbols_in_block): Compile it unconditionally.
16823 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16825 * configure.in (i?86-*-elf*): New target.
16826 * configure: Rebuilt.
16827 * i386/i386elf.h, i386/t-i386elf: New files.
16829 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16831 * toplev.c (main): Don't complain about saying -gdwarf.
16832 (rest_of_compilation): Remove redundant code.
16834 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16836 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16838 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16840 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16841 "Li960R:", to avoid name clash.
16843 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16845 * loop.c (check_dbra_loop): When reversing a loop, delete all
16846 REG_EQUAL notes referencing the reversed biv except those which are
16847 for a giv based on it.
16849 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16851 * version.c: Drop "gcc-" prefix from version #.
16853 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16855 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16856 the label if we're being verbose.
16858 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16860 * m68k.c (output_function_prologue): Add pic register to mask
16861 if live and flag_pic.
16862 (output_function_epilogue): Likewise.
16864 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16866 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16867 directives in column zero.
16869 * pa/elf.h (ASM_FILE_START): Define.
16870 * pa/som.h (ASM_FILE_START): Include .level directives.
16871 * pa/hpux10.h (ASM_FILE_START): Delete.
16872 * pa/hpux11.h (ASM_FILE_START): Delete.
16874 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16876 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16878 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16879 when reload_out equals reload_in.
16881 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16883 * invoke.texi (Spec Files): New node: Describe the contents of
16886 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16888 * invoke.texi (DEC Alpha Options): Put @end table at
16889 beginning of line, to avoid confusing texi2html.
16891 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16893 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16894 introduced in previous delta.
16896 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16898 * reload1.c (gen_reload): When synthesizing a 3 operand add
16899 sequence, improve test for when to reload OP1 into the reload
16900 register instead of OP0.
16902 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16904 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16906 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16908 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16911 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16913 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16914 (va_dcl): Use __builtin_va_alist_t.
16916 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16918 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16919 on the permanent_obstack.
16920 * dwarfout.c (output_type): Likewise.
16922 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16924 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16925 Merged from c-typeck.c and cp/typeck.c.
16926 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16927 Merged into c-common.
16929 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16931 * c-lex.c (errorcount): Declare it.
16932 (finish_parse): Update errorcount when using CPPLIB.
16934 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16936 * fixinc/inclhack.def(end_else_label): Double the backslash so
16937 sed gets a chance to see it.
16938 * fixinc/inclhack.sh: regen
16939 * fixinc/fixincl.x: regen
16941 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16943 Add framework to support armv5 architecture when it becomes
16946 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16947 (arm_arch5): New variable.
16948 (all_architectures): Add armv5 line.
16949 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16950 -march=armv5 is specified on the command line.
16951 (arm_arch5): Export this variable.
16952 * invoke.texi: Document new string accepted by -march= switch for
16955 * config/arm/arm.h: Replace use of constant 12 as a register
16956 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16957 * config/arm/arm.c: Replace use of constant 12 as a register
16958 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16960 * config/arm/elf.h: Tidy up.
16961 * config/arm/coff.h: Tidy up.
16963 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16965 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16966 * gcc/config/mips/t-iris6gld: New file.
16967 * gcc/config/mips/iris6gld.h: Likewise.
16969 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16971 * c-decl.c (widest_integer_literal_type_node,
16972 widest_unsigned_literal_type) : New.
16973 (init_decl_processing): Handle/use the two new types.
16974 * c-common.c (type_for_size,type_for_mode) : Same.
16975 * c-lex.c (yylex) : Same.
16976 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16978 * c-tree.h (widest_integer_literal_type_node,
16979 widest_unsigned_literal_type) : New.
16981 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16983 * dwarfout.c (field_byte_offset): Correctly compute the object's
16984 byte offset for the first bit of a field which crosses an alignment
16985 boundary on a !BYTES_BIG_ENDIAN target.
16987 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16989 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16992 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16993 Jeff Law <law@cygnus.com>
16995 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16998 * except.c: Include intl.h.
16999 (expand_eh_return): Set current_function_cannot_inline.
17000 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
17001 * function.h (struct function): Add eh_return_stub_label.
17002 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
17003 * Makefile.in (except.o): Depend on intl.h.
17005 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17007 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17008 same as offsettable in cases 1 and 2.
17010 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17012 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17013 (extlh, extwh): Likewise.
17015 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17017 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17019 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17021 * configure.in: Add arm-pe and thumb-pe targets.
17022 * configure: Regenerate.
17024 * thumb.c (arm_naked_function_p): New function: Determines if
17025 a function is naked (has no gcc generated prologue/epilogue).
17026 (is_called_in_ARM_mode): Return true if the func has the
17027 interfacearm attribute.
17028 (output_return): Do not generate a return for naked functions.
17029 (thumb_function_prologue): Do not generate a prologue for
17031 (thumb_expand_prologue): Do not generate a prologue for naked
17033 (thumb_expand_epilogue): Do not generate an epilogue for naked
17035 (arm_valid_machine_decl_attribute): New function, copied from
17036 arm.c: Permit naked and interfacearm attributes.
17038 * config/arm/pe.c: New file: Support code for arm-pe target.
17039 * config/arm/pe.h: New file: Header file for arm-pe target.
17040 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17041 * config/arm/t-thumb-pe: New file: Makefile fragment for
17044 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17046 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17047 -fPIC or -fpic is specified.
17049 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17051 * expr.c (emit_block_move): Use copy_to_mode_reg for
17052 !TARGET_MEM_FUNCTIONS case too.
17054 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17056 * configure: Rebuilt.
17057 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17058 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17059 definitions made redundant by dbxelf.h inclusion. Delete
17060 lots of definitions related to assembly output that are
17061 specific to the SOM object format.
17062 * pa.c (output_function_prologue): Do not emit the function's
17064 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17065 * pa-pro.h: Deleted.
17066 * som.h: New file with SOM specific definitions.
17067 * elf.h: New file with ELF specific definitions.
17069 * elfos.h (const_section): Output a tab before assembler directives.
17070 (ctors_section, dtors_section): Likewise.
17071 (ASM_OUTPUT_SECTION_NAME): Likewise.
17073 * pa/pa1.h: Delete unused file.
17075 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17077 * configure.in (hppa*-hp-hpux11*): New configuration.
17078 * configure: Rebuilt.
17079 * pa/pa-hpux11.h: New file.
17080 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17083 * mips.md (leasi, leadi): New patterns.
17085 * expr.c (emit_block_move): Properly handle case where one of the
17086 block move arguments has a queued increment or decrement.
17087 (clear_storage): Similarly. Fix formatting goof.
17089 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17091 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17092 semicolon from the BSD VA_LIST replacement expression.
17094 * fixinc/inclhack.sh: regen
17095 * fixinc/fixincl.x: regen
17097 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17098 now use the fixincl program.
17100 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17102 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17103 case. Also make the PIC register call_used.
17105 * m68k.h (FINALIZE_PIC): Delete.
17106 * m68k.c (finalize_pic): Delete.
17108 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17110 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17113 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17115 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17117 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17119 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17121 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17123 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17125 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17127 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17129 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17131 * rs6000.c (output_toc): Always use hex values for floating-point
17132 constants. Store single-precision values in upper-half of TOC
17133 entry in 64-bit mode.
17134 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17135 to final constraints.
17136 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17137 (fctiwz): Improve accuracy of RTL for pattern.
17139 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17141 * expr.c (expand_expr): Allow RTL_EXPR's through the
17142 MAX_INTEGER_COMPUTATION_MODE checks.
17144 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17146 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17147 such that MASK_SUPPORT_ARCH is not negative.
17149 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17151 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17152 ADDR_DIFF_VEC insns that appear inside loops.
17154 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17155 Jeff Law <law@cygnus.com>
17157 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17158 Handle LO_SUM the same as offsettable in cases 1 and 2.
17159 * rs6000.c (find_addr_reg): Revert previous patch.
17161 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17163 * system.h (strstr): New external function declaration.
17164 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17165 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17166 * config.in, configure: Rebuilt.
17168 1999-06-24 Tom Tromey <tromey@cygnus.com>
17170 * gcc.c (main): Read user-specified specs files after computing
17171 additional startfile_prefixes.
17173 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17175 Revert these two patches:
17177 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17178 * loop.c (strength_reduce): When doing biv->giv conversion, update
17179 reg note of NEXT->insn.
17181 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17182 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17184 (recombine_givs): Set ix field after sorting.
17186 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17188 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17189 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17191 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17193 *fixinc/inclhack.def: Add fix development commentary
17194 (read_ret_type): reactivate and add selection clause
17195 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17196 *fixinc/{fixincl.x|inclhack.sh}: regen
17198 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17200 * expr.c (expand_expr): STRIP_NOPS before checking against
17201 MAX_INTEGER_COMPUTATION_MODE
17202 (check_max_integer_computation_mode): Likewise.
17204 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17206 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17208 1999-06-22 Jim Wilson <wilson@cygnus.com>
17210 * expr.c (store_expr): When target is a promoted subreg, return a
17211 promoted subreg as a result.
17213 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17215 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17217 (dwarf2out_define): Mark unused parameters appropriately.
17218 (gen_unspecified_parameters_die): Ditto.
17219 (gen_subprogram_die): Fix signed/unsigned warnings.
17220 (gen_variable_die): Ditto.
17222 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17224 * fixinc/inclhack.def(end_else_label): combined else_label
17225 and endif_label and fixed the sed expression.
17226 *fixinc/{fixincl.x|inclhack.sh}: regen
17228 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17230 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17231 'x' when handling non-offsettable addresses
17233 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17235 * final.c (shorten_branches): Don't try to split an insn that has
17238 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17240 * config/mips/mips.c (symbolic_expression_p): New function.
17241 (mips_select_rtx_section): Put symbolic expressions in the
17242 data section, not the read-only data section.
17244 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17246 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17248 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17250 * collect2.c (main): Log frame table count.
17251 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17252 (scan_prog_file) [COFF]: Handle frame tables.
17254 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17255 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17256 * alpha/elf.h: Undef them again.
17257 * alpha/vms.h: Remove their definitions.
17259 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17261 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17262 remove the clobber of r0 and change the REG_UNUSED note to
17265 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17267 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17268 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17269 fits in HOST_WIDE_INT and one uses union to access a long constant
17272 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17274 * sparc.c (sparc_override_options): Don't allow profiling for
17275 code models other than medlow.
17276 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17277 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17278 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17279 (sparc_block_profiler): Likewise.
17280 (sparc_function_block_profiler_exit): Likewise.
17281 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17282 (FUNCTION_BLOCK_PROFILER): Likewise.
17283 (BLOCK_PROFILER): Likewise.
17284 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17285 (MCOUNT_FUNCTION): New.
17286 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17287 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17288 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17289 (MCOUNT_FUNCTION): New.
17290 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17291 (BLOCK_PROFILER): Delete.
17292 (MCOUNT_FUNCTION): New.
17294 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17296 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17298 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17300 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17303 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17306 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17309 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17312 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17314 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17317 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17319 * i386/djgpp.h (LIB_SPEC): New.
17320 (STARTFILE_SPEC): New.
17322 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17324 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17326 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17329 * system.h (WSTOPSIG): New macro.
17331 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17333 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17335 (insert_pack_attributes): Take into account member natural
17338 * i386/winnt.c (exports_head): New static variable.
17339 (i386_pe_record_exported_symbol): New function.
17340 (i386_pe_asm_file_end): Use.
17341 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17342 symbols to be emitted at end of assembly.
17343 (ASM_DECLARE_OBJECT_NAME): Likewise.
17344 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17346 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17349 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17351 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17354 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17356 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17357 zapping reg_last_uses directly.
17358 (sched_analyze_2, sched_analyze_insn): Likewise.
17359 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17361 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17363 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17364 attributes for cases 1 and 2.
17366 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17368 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17371 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17373 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17375 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17377 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17378 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17379 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17380 must be stacked if it is used for PIC accesses.
17381 * arm.c (use_return_insn): Handle PIC register specially.
17382 (output_return_instruction): Likewise.
17383 (output_func_{prologue,epilogue}): Likewise.
17384 (output_expand_prologue): Likewise.
17386 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17387 (*strsi_predec): Renamed from *strqi_predec.
17388 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17389 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17391 * arm.c (arm_override_options): Remove warning about PIC code
17392 not being supported.
17394 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17396 * rs6000.c (find_addr_reg): New function.
17397 * rs6000.h (find_addr_reg): Declare.
17398 (offsettable_addr_operand): Delete.
17399 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17400 from and stores to GPRs.
17402 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17404 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17405 gen_sequence as argument to emit_no_conflict_block.
17407 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17409 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17410 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17411 *fixinc/fixincl.x: regen
17412 *fixinc/inclhack.sh: regen
17414 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17416 * added support for -mpcrel (PC relative addressing for m68k)
17417 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17418 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17419 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17420 (comments for general_src_operand): Add some explanation
17421 about EXTRA_CONSTRAINTS.
17422 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17423 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17424 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17425 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17426 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17427 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17428 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17429 if not already set.
17430 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17431 * m68k.h (TARGET_PCREL): New target flag.
17432 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17433 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17434 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17435 contains a SYMBOL_REF. Relax this constraint during reload, since
17436 we want to use the predicates, not reload's built-in concept of a
17437 valid memory address, to control what insns need reloading.
17438 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17439 operands (essentially 'g', 'm', and 's' under normal circumstances).
17440 * m68k.c (print_operand): Cause printing of pc-relative addresses
17441 to include pc register.
17442 (print_operand_address): Ditto.
17443 (general_src_operand): Accept operands that are not only
17444 general_operands, but are also valid when used as a pc-relative
17446 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17447 (memory_src_operand): Similar, for memory_operands.
17448 (pcrel_address): New predicate to accept the special case of a
17449 pc-relative address.
17450 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17451 QImode insns to accept *_src_operand instead of *_operand where
17452 pc-relative operands can fit. For example, a pc-relative operand
17453 can be used as a memory source operand for addsi3, but not as a
17454 memory destination.
17455 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17457 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17459 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17460 .thumb_set pseudo op to mark aliases of thumb functions.
17462 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17464 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17465 preference to ASM_OUTPUT_DEF, if it is defined.
17467 * tm.texi: Document new, optional target macro
17468 ASM_OUTPUT_DEF_FROM_DECLS.
17470 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17472 * fixincludes: ISCNTL patch
17473 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17474 (dgux_int_varargs): new for DG/UX
17475 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17477 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17479 * invoke.texi (ia32 options): Fix typo.
17481 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17483 * loop.c (strength_reduce): When doing biv->giv conversion, update
17484 reg note of NEXT->insn.
17486 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17488 * loop.c (move_movables): Note issues with replacing REGs with
17490 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17492 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17494 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17496 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17497 the reference to `mcount' was not correct for the ELF on FreeBSD.
17499 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17501 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17504 (recombine_givs): Set ix field after sorting.
17506 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17508 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17509 to safe to extract a subword out of a REG.
17511 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17513 * sh.md (mulsi3): Don't add a no-op move at the end.
17515 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17517 * cse.c (cse_insn): Don't put hard register source into tables for
17518 the last insn of a libcall.
17520 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17522 * loop.c (strength_reduce): Insert sets of derived givs at every
17523 biv increment, even if it's the only one.
17525 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17527 * dwarfout.c (add_incomplete_type): New fn.
17528 (output_type): Call it.
17529 (retry_incomplete_types): New fn.
17530 (dwarfout_finish): Call it.
17532 From Eric Raskin <ehr@listworks.com>:
17533 (output_type): Output types for bases.
17535 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17537 * mips.c (mips_output_conditional_branch): Add `break'
17538 between `default' label and `close braces'.
17540 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17542 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17543 specifications and make it realistic.
17544 (LIB_SPEC): Likewise.
17546 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17548 * config/mips/mips.c (mips_secondary_reload_class): Check for
17549 (PLUS (SP) (REG)) and return appropriate register class.
17550 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17551 Handle (PLUS (SP) (REG)).
17552 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17553 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17554 of emit_insn for tablejump.
17556 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17558 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17559 asm_fprintf format string by itself.
17560 (output_function_profiler): Likewise.
17562 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17564 * combine.c (simplify_logical, case AND): Only call
17565 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17566 or the constant is positive.
17568 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17570 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17571 * configure: Regenerate.
17573 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17575 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17576 require a sub-version #.
17577 * configure: Rebuilt.
17579 1999-06-14 Robert Lipe (robertlipe@usa.net)
17581 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17583 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17585 * c-typeck.c (process_init_element): Detect excess elements in
17586 char array initializer.
17588 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17590 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17592 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17594 * invoke.texi (Option Summary): Add -fpermissive flag.
17596 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17598 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17599 that require PIC code sequences.
17601 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17603 * configure.in: Add new target: thumb-elf.
17604 * configure: Regenerate.
17605 * config/arm/t-thumb-elf: New file: Makefile fragment for
17607 * config/arm/telf.h: New file: Header file for thumb-elf
17610 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17612 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17613 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17614 initializers is some circumstances.
17616 * fixinc/inclhack.def (endif_label): Add additional selector for
17617 more bogus stuff after #endif statements.
17618 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17620 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17622 * i386/cygwin.h (SET_ASM_OP): Define.
17624 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17626 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17628 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17630 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17633 * sh.md (ic_invalidate_line_i): Remove second alternative.
17635 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17637 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17638 test for the presence of valid prototypes. Delete bypass expr.
17639 (ioctl_fix_ctrl): Correct the selection expression.
17640 (no_double_slash): Correct quoting rules
17641 *fixinc/fixincl.x: regen
17642 *fixinc/inclhack.sh: regen
17644 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17646 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17648 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17650 * rs6000.md (movsi_got_internal_mem): Delete.
17651 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17652 (GOT_TOC_REGNUM): Delete.
17653 (PIC_OFFSET_TABLE_REGNUM): Define.
17654 (FINALIZE_PIC): Disable.
17655 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17656 (rs6000_replace_regno): Delete.
17657 (rs6000_finalize_pic): Likewise.
17658 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17660 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17662 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17663 is a note; use <= for the compare; advance P while it is
17666 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17668 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17669 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17671 * varasm.c (remove_from_pending_weak_list): Verify t->name
17672 is non-NULL before passing it to strcmp.
17674 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17676 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17677 the typed arguments are not part of a comment
17678 (ioctl_fix_ctrl): Added a purpose comment
17679 *fixinc/fixincl.x: regenerate
17680 *fixinc/inclhack.sh: regenerate
17682 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17684 * invoke.texi: Add C4x invocation docs.
17686 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17688 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17690 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17692 (c4x_legitimize_reload_address): New function.
17693 * config/c4x/c4x.md: Update docs.
17695 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17697 * fixincludes: Avoid removing '.'.
17698 * fixinc/fixinc.svr4: Likewise.
17699 * fixinc/fixinc.winnt: Likewise.
17700 * fixinc/inclhack.tpl: Likewise.
17701 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17703 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17705 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17707 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17709 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17711 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17714 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17716 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17717 * configure: Regenerate.
17719 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17721 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17724 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17726 * fixinc/inclhack.def (avoid_bool): Also catch
17727 "typedef [unsigned] int bool".
17728 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17730 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17731 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17732 * configure: Rebuilt.
17734 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17736 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17737 such that we can override its definitions if necessary.
17738 (CPP_SPEC): New define. Support processor specific predefines via
17740 (CC1_SPEC): New define. Support processor specific compiler
17741 options via %(cc1_cpu).
17742 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17745 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17747 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17748 between sed's -e flag, and the open-quote following it.
17749 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17751 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17752 Jeffrey A Law (law@cygnus.com)
17754 * varasm.c (assemble_start_function): Remove the function
17755 from the pending weak decls list when we define a function.
17756 (assemble_variable): Similarly for variables.
17757 (weak_finish): Ignore items on the list with a NULL name.
17758 (remove_from_ending_weak_list); New function to "remove" an item
17759 from the pending weak declarations list.
17761 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17763 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17765 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17767 * c-lex.c (GETC): Redefine to call getch.
17768 (UNGETC): Redefine to call put_back.
17769 (putback_buffer): New structure type.
17770 (putback): New static structure.
17771 (getch): New function.
17772 (put_back): New function.
17773 (yylex): Replace unused bytes from bad multibyte character.
17775 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17777 * cpplib.c (do_define): Cast `alloca' return value.
17778 (do_include, do_undef, do_pragma): Likewise.
17779 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17781 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17782 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17784 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17786 * sparc.md (abstf2): This should be an expand.
17787 (split after abstf2_notv9): Fix mode.
17788 (abstf2_hq_v9): New pattern.
17789 (abstf2_v9): Only use when no hard quad.
17790 (absdf2_v9): Fix if target is not the same as source.
17791 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17792 Add correct output constraints.
17794 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17796 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17797 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17799 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17801 * mips.h (mips_output_conditional_branch): New function.
17802 (mips_adjust_insn_length): Likewise.
17803 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17804 (ADJUST_INSN_LENGTH): Likewise.
17805 * mips.c (print_operand): Add `F' and `W' for floating-point
17806 comparison opcodes.
17807 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17809 (mips_adjust_insn_length): New function.
17810 (mips_output_conditional_branch): New function.
17811 * mips.md (length): Adjust attribute definition to handle
17812 conditional branches. Change lengths to bytes, rather than
17813 instructions throughout. Remove length attribute from
17814 instructions whose length is four bytes, and rely on the default
17816 (dslot): Fix typo in comment.
17817 Reword conditional branch patterns to use
17818 mips_output_conditional_branch.
17820 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17822 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17823 (LIB_SPEC): Likewise.
17824 Link with -lprof1_r for -g/-pg.
17826 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17828 * loop.c (check_dbra_loop): Fix change of Jan 19.
17830 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17832 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17833 (STARTFILE_SPEC): Define, override the svr4.h version.
17834 (ENDFILE_SPEC): Likewise.
17836 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17838 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17839 * fixinc/fixincl.x: Regenerated.
17840 * fixinc/inclhack.sh: Regenerated.
17842 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17844 * sh.c (barrier_align): Don't return early for normal branch/barrier
17845 when optimizing for SH2.
17847 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17849 * i386/udk.h (LINK_SPEC): Correct linker search path for
17852 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17854 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17855 (braf_label_ref_operand): Delete.
17856 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17857 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17858 label_ref, and has no predicate.
17859 The patten has a predicate to guard against invalid substitutions.
17860 (dummy_jump): Delete.
17861 (casesi): Update use of casesi_jump_2.
17863 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17865 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17866 *fixinc/fixincl.x: regenerate
17867 *fixinc/inclhack.sh: regenerate
17869 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17871 * dwarf2out.c (add_incomplete_type): New fn.
17872 (gen_struct_or_union_type_die): Call it.
17873 (retry_incomplete_types): New fn.
17874 (dwarf2out_finish): Call it.
17876 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17878 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17879 current block starts with a CODE_LABEL and ends with a CALL and
17880 we can not find all the argument setup instructions for the CALL.
17882 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17884 Revert this change:
17885 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17886 something is a candidate for optimize_bit_field_compare.
17888 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17890 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17892 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17894 * alpha.c (override_options): Thinko in last patch.
17896 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17897 (LIB_SPEC): Recognize -pthread.
17899 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17901 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17902 definition in config/arm/coff.h
17903 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17905 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17907 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17908 fixes that need "file=xxx\n" prepended before invocation
17909 (start_fixer - new): starting the fixer process is complex enough
17910 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17911 (process): uses the new routine; omit usage of putenv()
17912 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17913 * fixinc/fixincl.x: regenerate
17915 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17917 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17918 and version #s (1.1 -> 2.96) as needed.
17919 * README.g77: Kill way out of date file in the toplevel directory.
17921 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17923 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17924 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17925 * configure: Rebuilt.
17926 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17927 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17928 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17929 (SWITCH_TAKES_ARG): Likewise.
17930 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17931 * config/t-freebsd: Moved from config/i386/ so it can used for all
17934 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17936 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17938 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17940 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17941 * configure: Rebuilt.
17943 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17945 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17946 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17947 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17948 (rs6000_output_load_toc_table): Same.
17949 (output_prolog, output_mi_thunk): Same.
17950 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17951 (ASM_GLOBALIZE_LABEL): Use putc.
17953 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17955 * alpha.md (reload_*_help): New patterns and splitters.
17956 (reload_*): Use them.
17957 (mov[qh]i): Likewise.
17959 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17961 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17964 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17966 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17968 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17970 * flow.c (mark_regs_live_at_end, insn_dead_p,
17971 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17972 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17973 hasn't run or the frame pointer is needed.
17974 * haifa-sched.c (attach_deaths): Likewise.
17975 * sched.c (attach_deaths): Likewise.
17977 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17979 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17980 calculate_can_reach_end returns nonzero.
17982 * configure.in (native gas tests): Search for an assembler in the
17983 same manner that the installed compiler will.
17984 * configure: Rebuilt.
17985 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17987 * alias.c (find_base_term): Improve handling of addresses
17988 constructed from binary operations.
17990 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17992 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17994 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17996 * function.h (cleanup_label, frame_offset): Declare.
17997 (tail_recursion_label, tail_recursion_reentry): Likewise.
17998 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17999 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
18000 (tail_recursion_label, tail_recursion_reentry): Likewise.
18001 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18003 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
18005 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18007 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18008 (MAX_OFILE_ALIGNMENT): Define.
18010 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18012 * fixincl.c: Replace local include scheme with #includes of
18013 gansidecl.h and system.h.
18014 * procopen.c: Likewise.
18015 * server.c: Likewise.
18017 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18019 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18020 (crti.o): Add build rule and dependencies.
18021 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18023 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18025 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18026 (LIB_LINUX_SPEC): Likewise.
18027 (LIB_LINUX_SPEC): Add support for -pthread
18028 (CPP_OS_LINUX_SPEC): Likewise.
18029 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18032 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18034 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18036 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18037 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18038 for IEEE math and CC_FCOMI.
18039 (put_jump_code): No IEEE if CC_FCOMI is set.
18041 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18043 * fold-const.c (fold_truthop): Make the field reference unsigned
18044 when converting a single bit compare.
18046 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18048 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18050 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18052 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18053 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18056 * reload.c (push_reload): Do not call remove_address_replacements
18057 when presented with identical optional reloads.
18059 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18061 * alpha.h (MASK_FIX, TARGET_FIX): New.
18062 (MASK_*): Reorganize constants.
18063 (CPP_AM_FIX_SPEC): New.
18064 (TARGET_SWITCHES): Add FIX.
18065 (EXTRA_SPECS): Likewise.
18066 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18067 (SECONDARY_MEMORY_NEEDED): Likewise.
18068 (REGISTER_MOVE_COST): Likewise.
18069 * alpha.c (override_options): Add FIX support. Always use
18070 ALPHA_TP_PROG for ev6.
18071 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18072 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18073 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18075 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18077 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18078 something is a candidate for optimize_bit_field_compare.
18080 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18082 * gcc.texi (Passes): Document branch-shortening.
18083 * invoke.texi (Debugging Options): Document the fact that `-dp'
18084 outputs length information for instructions.
18086 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18088 * flow.c: Revert previous delta.
18090 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18092 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18093 FRAME_POINTER_REGNUM.
18094 (mark_set_1): Ditto.
18095 (mark_used_regs): Ditto.
18097 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18099 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18100 (GOT_PCREL): New macro. Define to 1 if not already defined.
18101 * arm/elf.h (GOT_PCREL): Define to 0.
18102 * arm.c (arm_finalize_pic): Take into account the setting of
18105 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18107 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18108 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18110 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18111 store elimination candidates.
18113 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18115 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18118 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18120 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18121 Add use of x-aix41-gld.
18123 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18125 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18126 (ASM_OUTPUT_DESTRUCTOR): Define.
18128 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18130 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18131 last CODE_LABEL in a loop if we have previously passed a jump
18132 to the top of the loop.
18134 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18136 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18137 applying Philip's patch.
18139 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18141 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18144 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18146 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18148 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18150 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18151 Also remove a useless comment.
18153 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18155 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18157 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18159 * collect2.c (main): Only generate import or export file and add
18160 to link arguments if non-empty. Use xmalloc not alloca.
18161 (write_{export,import}_file): Delete.
18162 (write_aix_file): New function.
18163 (locatelib): Use xmalloc not malloc.
18164 (GCC_OK_SYMBOL): Do not check type if aix64.
18166 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18168 Based on patch by Scott Bambrough and Pat Beirne:
18169 * config/arm/arm.c (making_const_table): New variable.
18170 * config/arm/arm.h (making_const_table): Declare.
18171 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18173 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18174 Keep track of when we are building the constant table.
18176 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18178 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18181 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18183 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18186 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18188 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18191 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18193 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18195 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18197 * rs6000.c (output_mi_thunk): Enable full support again.
18199 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18201 * sh.h (BRANCH_COST): Define.
18203 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18205 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18207 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18209 * function.c (assign_stack_local): Align stack slot propertly.
18210 (assign_outer_stack_local): Likewise.
18212 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18214 * expr.h (lang_expand_constant): Declare.
18215 * toplev.c (lang_expand_constant): Define it.
18216 * varasm.c (output_constant): Use it.
18218 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18220 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18221 Change function definitions to K&R style.
18223 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18225 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18227 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18229 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18230 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18231 (several places): omit static initialization
18232 (process): use single fd, since only the read fd is used
18233 * fixinc/gnu-regex.c: define 'const' away, if not supported
18234 * fixinc/procopen.c(several places): omit static initialization
18235 * fixinc/server.c: define 'volitile' away, if not supported
18237 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18239 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18240 asm_fprintf and %L to generate the label name.
18241 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18242 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18244 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18246 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18247 insn for a conditional jump can not be found.
18249 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18251 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18252 on variables in specific sections other than .sbss and .sdata.
18254 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18256 * stmt.c (expand_return): Call start_cleanup_deferral and
18257 end_cleanup_deferral around conditional code.
18259 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18261 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18262 filename lists. Utilizes new "krstr" AutoGen function.
18263 * fixinc/fixincl.x: Rebuilt.
18265 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18267 * i386.c (output_float_compare): Avoid GNU-C extensions.
18269 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18271 * version.c: Bump to distinguish mainline tree from the
18274 See ChangeLog.1 for earlier changes.