1 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2 Michael Meissner <meissner@cygnus.com>
4 * md.texi (Simple Constraints): Add item about whitespace.
5 * genoutput.c (strip_whitespace): New.
6 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7 strip_whitespace for constraints.
8 Test pointer using NULL, not 0.
10 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12 * cpplib.c (do_line): Pedwarn for #line > 32767.
14 * c-lex.c (readescape): Warn about '\x', but do not reject it.
16 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
18 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
20 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
21 * cpp.texi: Document __GNUC_PATCHLEVEL__.
24 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
27 2000-02-15 Denis Chertykov <denisc@overta.ru>
29 * configure.in: Add support for avr target.
31 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
33 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
34 (sh_addr_diff_vec_mode): Don't declare.
35 * sh.c (sh_addr_diff_vec_mode): Delete.
37 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
39 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
41 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
43 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
44 (smulsi3_highpart_i): Name.
45 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
46 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
47 (smulsi3_highpart, umulsi3_highpart): Likewise.
49 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
50 correctly independent of endianness.
51 (mulsidi3, umulsidi3): Now define_insn. Hide details that
52 confuse the optimizers.
53 (mulsidi3+1, umulsidi3+1): New define_split.
55 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
57 * config/sh/sh.md: Guard insn splits against illegal registers.
58 * config/sh/sh.h: Correct comment about macros.
60 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
61 Andrew MacLeod <amacleod@cygnus.com>
63 * Makefile.in (lcm.o): Depend on insn-attr.h.
64 * basic-block.h (optimize_mode_switching): Declare.
65 * lcm.c (tm_p.h, insn-attr.h): #include.
66 (seginfo, bb_info): New structs.
67 (antic, transp, comp, delete, insert) : New file-scope static variables.
68 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
69 (reg_becomes_live, optimize_mode_switching): Likewise.
70 * tm.texi: Add description of mode switching macros.
71 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
73 * sh-protos.h (remove_dead_before_cse): Remove prototype.
74 (fldi_ok, fpscr_set_from_mem): New prototypes.
75 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
76 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
77 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
78 (sh_flag_remove_dead_before_cse): Remove declaration.
79 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
80 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
81 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
82 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
83 (barrier_align): Allow for JUMP_INSNS containing a parallel.
84 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
85 (fldi_ok): New function.
86 (get_fpscr_rtx): Add fpscr_rtx as GC root.
87 (emit_sf_insn): Only generate fpu switches when optimize < 1.
88 (emit_df_insn): Likewise.
89 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
90 (sh_flag_remove_dead_before_cse): Delete.
91 (get_free_reg, fpscr_set_from_mem): New functions.
92 * sh.md (movdf, movsf): Remove no_new_pseudos code.
93 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
95 2000-02-15 Loren Rittle <ljrittle@acm.org>
97 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
99 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
102 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
104 * cccp.c: Include version.h and/or don't declare `version_string'.
105 * collect2.c: Likewise.
107 * arm/aof.h: Likewise.
108 * arm/coff.h: Likewise.
109 * arm/elf.h: Likewise.
110 * arm/pe.h: Likewise.
111 * arm/tcoff.h: Likewise.
112 * arm/telf.h: Likewise.
113 * arm/tpe.h: Likewise.
114 * arm/vxarm.h: Likewise.
115 * convex/convex.c: Likewise.
116 * i386/dgux.c: Likewise.
117 * i386/sun386.h: Likewise.
118 * m88k/m88k.c: Likewise.
119 * mcore/mcore-pe.h: Likewise.
120 * mips/mips.h: Likewise.
121 * romp/romp.h: Likewise.
123 * cpphash.c: Likewise.
124 * cppinit.c: Likewise.
125 * dwarf2out.c: Likewise.
126 * dwarfout.c: Likewise.
129 * mips-tfile.c: Likewise.
130 * protoize.c: Likewise.
131 * toplev.c: Likewise.
134 * version.c (version_string): Constify a char*.
136 * version.h: New file.
138 2000-02-14 Nick Clifton <nickc@cygnus.com>
140 * configure.in: Add mcore-elf and mcore-pe targets.
141 * configure: Regenerate.
143 * NEWS: Add note that MCore port has been contributed.
145 * invoke.texi: Document command line switches for MCore port.
146 * install.texi: Add MCore to list of supported targets.
148 2000-02-14 Geoff Keating <geoffk@cygnus.com>
150 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
151 then we will need to import the frame handling functions.
152 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
153 to import the frames themselves.
155 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
156 Jason Eckhardt <jle@cygnus.com>
158 * basic_block.h: Added prototype for reorder_basic_blocks.
159 * toplev.c: Changes to add -freorder-blocks and graph dump after
160 block reordering is done.
161 * flow.c (reorder_block_def): New structure for use during block
163 (REORDER_BLOCK_*): New macros to access members of above structure.
164 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
165 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
166 functions for block reordering.
168 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
170 * gcc.texi (Passes): Fix typo.
171 * md.texi (Standard Names): Ditto.
172 * tm.texi (Storage Layout): Ditto.
174 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
176 * cpplib.c (do_define): Only free the old definition if it
179 2000-02-13 Neil Booth <NeilB@earthling.net>
181 * cppfiles.c (read_and_prescan): When emitting deferred
182 newlines, test speccase[] again instead of checking each
183 possible whitespace character in turn. When we encounter \r,
184 look behind for \n first, then ahead.
186 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
188 * cse.c (cse_altered): New internal flag.
189 (cse_insn): Set it if we changed an insn.
190 (cse_main): Clear cse_altered before each basic block.
191 Only garbage collect if cse_altered is true afterward.
193 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
195 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
197 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
199 * combine.c (simplify_comparison): Fix typo.
201 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
203 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
206 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
208 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
209 previously inserted node instead of root node. Caller changed.
211 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
213 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
215 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
218 __dereg_frame_dtor): Add prototype argument.
220 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
222 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
224 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
226 * gthr-vxworks.h (__gthread_once): Likewise.
228 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
230 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
232 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
233 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
234 stack pointer in functions w/o saved registers, output LEAVE more often
235 on TARGET_USE_LEAVE machines.
237 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
239 * config/arm/arm.c (arm_init_cumulative_args); New function:
240 Initlaise the CUMULATIE_ARGS strcuture for a function
242 (arm_function_arg): New function: Determine where to place a
243 function's argument. Also handles deciding the function's
245 (current_file_function_operand): New function: Return true if
246 the symbol is a function which has already been compiled.
247 (arm_is_long_call_p): New function: Return true if the
248 indicated function should be called via a long call.
249 (arm_valid_type_attribute_p): New function: Return true if the
250 attribute is a valid, arm specific, attribute.
251 (arm_comp_type_attribute): New function: Return true if the
252 two types have compatable, arm specific, attributes.
254 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
256 (FUNCTION_ARG): Redefine to call arm_function_arg.
257 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
259 (INIT_CUMULATIVE_ARGS): Redefine to call
260 arm_init_cumulative_args.
261 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
263 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
265 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
267 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
268 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
269 (COMP_TYPE_ATTRIBUTES): Define.
271 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
272 if a long call is needed.
273 (call_value): Call arm_is_long_call_p to decide if a long call
275 (call_symbol): Call arm_is_long_call_p to decide if a long call
278 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
280 2000-02-11 Denis Chertykov <denisc@overta.ru>
282 * README.AVR: New file with information about the avr ports.
283 * config/avr: New directory with avr port files.
285 2000-02-11 Andreas Jaeger <aj@suse.de>
287 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
289 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
291 * cpphash.c: Fix formatting, update commentary.
292 (dump_definition): Take three separate arguments instead of a
293 MACRODEF structure argument.
294 * cpphash.h: Update prototype of dump_definition.
295 * cppinit.c (cpp_finish): Update call of dump_definition.
297 * cpplib.c (do_define): Always create new hash entry with
298 T_MACRO type. Remove redundant check for redefinition of
299 poisoned identifier. Update call of dump_definition.
300 (do_undef): Don't call check_macro_name. Rename sym_length to
302 (do_error, do_warning): Don't use copy_rest_of_line or
304 (do_warning): Don't use pedwarn for the actual warning,
305 only the notice about its not being in the standard. (Fixes
306 bug with #warning in system headers.)
307 (do_ident): Stricter argument checking - accept only a single
308 string after #ident. Also, macro-expand the line.
309 (do_xifdef): Use cpp_defined. De-obfuscate.
311 (do_pragma): Split out specific pragma handling to separate
312 functions. Use get_directive_token. Update commentary. Do
313 not pass on #pragma once or #pragma poison to the front end.
314 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
315 do_pragma_default): New.
317 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
319 * jump.c (jump_optimize_1): The first operand in a relational
321 * optabs.c (emit_conditional_move): Handle relationals which
322 have a known true/false result.
324 2000-02-11 Geoff Keating <geoffk@cygnus.com>
326 * function.c (thread_prologue_and_epilogue_insns): Don't insert
327 a RETURN insn into a block which already ends with a jump.
329 2000-02-11 Geoff Keating <geoffk@cygnus.com>
331 * haifa-sched.c (BUF_LEN): Increase a lot.
333 2000-02-11 Nick Clifton <nickc@cygnus.com>
335 * configure.in: Add tm_p_file specification for thumb targets.
336 * configure: Regenerate.
338 * config/arm/thumb-protos.h: New file: Prototypes for exported
339 functions defined in thumb.c.
341 2000-02-11 Robert Lipe <robertl@sco.com>
343 * Makefile.in (bootstrap-lean): Remove additional files.
344 (bootstrap2-lean): Likewise.
345 (VOL_FILES): List of files for above.
347 2000-02-11 Nathan Sidwell <nathan@acm.org>
349 * cpphash.c (special_symbol): Remove spurious argument to
352 2000-02-11 Joel Sherrill (joel@OARcorp.com>
354 * configure.in: (i*86-*-rtems*): Swapped elf and coff
356 * configure: Rebuilt.
358 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
360 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
362 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
364 * pa.c, pa.h: Remove trigraph sequences within comments.
366 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
368 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
370 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
372 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
374 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
376 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
378 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
380 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
381 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
382 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
383 (ASM_FILE_END): Use c4x_file_end.
384 * config/c4x/c4x.c (c4x_global_label): New function.
385 (c4x_external_ref, c4x_file_end): Likewise.
387 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
388 (c4x_external_ref, c4x_end_file): Likewise.
390 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
392 * cppexp.c: Don't include cpphash.h.
393 (parse_charconst, cpp_lex): Use cpp_defined.
394 (cpp_lex): Use get_directive_token throughout. Remove
395 unnecessary cases from switch. Move assertion-handling code
397 (cpp_parse_expr): If we see '+' or '-', check the context to
398 determine if they are unary or binary operators. Streamline
399 the jumps a bit. Do not call skip_rest_of_line.
401 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
402 static. Export get_directive_token. Update commentary.
403 (cpp_defined): New function.
404 (do_define): Remove reference to T_PCSTRING. Call
405 free_definition to release memory for old definition, when
407 (eval_if_expression): Set only_seen_white to 0 before calling
408 cpp_parse_expr. Call skip_rest_of_line after it returns.
409 (cpp_read_check_assertion): Don't preserve a pointer into the
410 token buffer across a call to cpp_get_token.
412 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
413 * cppfiles.c (redundant_include_p): Use cpp_defined.
414 * cpphash.c (free_definition): New function.
415 (delete_macro): Use it. Update commentary.
416 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
418 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
419 from enum node_type. Prototype cpp_defined and get_directive_token.
420 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
422 * fix-header.c (check_macro_names): Use cpp_defined.
423 (read_scan_file): Set inhibit_warnings and inhibit_errors in
424 the options structure.
426 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
428 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
430 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
432 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
433 rather than die->die_tag.
435 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
437 * combine.c (make_extraction, force_to_mode): Avoid warning on
438 mixed-signedness conditionals.
439 (make_field_assignment, nonzero_bits): Likewise.
440 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
441 (store_split_bit_field, extract_split_bit_field): Likewise.
442 (extract_fixed_bit_field, store_bit_field,
443 * expr.c: Change alignment to be unsigned everywhere.
444 (move_by_pieces, store_constructor_field, store_constructor):
445 Alignment parm is unsigned.
446 (emit_block_move, emit_group_load, emit_group_store): Likewise.
447 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
448 (do_compare_rtx_and_jump): Likewise.
449 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
450 Compare align with GET_MODE_ALIGNMENT.
451 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
452 (get_inner_reference): Likewise.
453 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
454 (expand_assignment): Local vars for alignment now unsigned.
455 (store_constructor, store_field, expand_expr, do_jump): Likewise.
456 (do_compare_and_jump): Likewise.
457 (store_field): Call new function expr_align.
458 * expr.h (emit_block_move, emit_group_load, emit_group_store):
459 Alignment arg now unsigned.
460 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
461 (do_compare_rtx_and_jump, store_bit_field): Likewise.
462 (extract_bit_field): Likewise.
463 * fold-const.c (add_double): Add cast to eliminate signedness warning.
464 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
465 (get_best_mode): Alignment arg is unsigned.
466 * rtl.h (move_by_pieces): Likewise.
467 * store-layout.c (maximum_field_alignment, set_alignment):
469 (layout_decl): Alignment arg is now unsigned.
470 Remove unneeded casts.
471 (layout_record, layout_union, layout_type): Remove unneeded casts.
472 Local alignment variables now unsigned.
473 (get_best_mode): Alignment arg now unsigned.
474 * tree.c (expr_align): New function.
475 * tree.h (expr_align): Likewise.
476 (maximum_field_alignment, set_alignment): Now unsigned.
477 (get_inner_reference): Alignment argument is now pointer to unsigned.
478 * varasm.c (assemble_variable): Add cast to eliminate warning.
480 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
482 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
483 then store directly into op0.
485 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
486 the CALL_INSN, and emit the note immediately after it.
488 2000-02-10 Nick Clifton <nickc@cygnus.com>
490 * config/arm/thumb.md (epilogue): Include a (return) in the
491 generated insn, and emit it using emit_jump_insn not
494 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
496 * function.c (assign_temp): Change zero-sized arrays to size 1.
497 * integrate.c (expand_inline_function): Do not update
498 stack_alignment_needed
499 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
500 add some sanity checking, remove optimization for function with
503 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * flow.c (mark_regs_live_at_end): Delete unused variables.
507 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
509 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
510 in macro FRAME_GROWS_DOWNWARD.
512 * stmt.c (expand_end_bindings): Delete unused variable.
514 * unroll.c (iteration_info): Mark parameter `loop' with
517 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
519 * fixinc/server.c (load_data): Return NULL if the marker line is
521 (run_shell): If load_data returns NULL, retry the command once, in
524 * configure: Rebuilt.
526 2000-02-09 Bruce Korb <bkorb@gnu.org>
528 * gcc/fixincludes: ** DELETED **
529 * gcc/fixcpp: ** DELETED **
530 * gcc/fixinc-nt.sed: ** DELETED **
531 * gcc/just-fixinc: ** DELETED **
532 * gcc/Makefile.in: Removed out-dated commentary
533 * gcc/configure.in: Removed fast-fixincludes disablement.
534 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
536 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
537 * function.c (thread_prologue_and_epilogue_insns): Uncomment
540 2000-02-09 Richard Henderson <rth@cygnus.com>
542 * jump.c (delete_insn): Don't delete user labels at -O0.
544 2000-02-09 Robert Lipe <robertl@sco.com>
546 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
547 Don't link with HOST_LIBS.
549 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
551 * configure.in: Correct --help text for --with-dwarf2.
552 Put tm-dwarf2.h after other tm files, if it's requested.
553 * configure: Regenerate.
554 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
557 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
559 * cpplib.h: Provide HASHNODE typedef and forward decl of
560 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
561 DEFINITION, struct hashnode, struct macrodef, struct
562 definition, scan_decls prototype, default defn of
563 INCLUDE_LEN_FUDGE moved elsewhere.
565 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
566 definition, and struct hashnode moved here. Remove the unused
567 'predefined' field from struct definition. Replace the 'args'
568 union with its sole member. All users updated (cpphash.c).
569 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
570 multiple include guard.
572 * cpphash.c (hashf): Make static; use better algorithm; drop
573 HASHSIZE parameter; return an unsigned int.
574 (cpp_lookup): Drop HASH parameter. PFILE parameter is
575 used. Calculate HASHSIZE modulus here.
576 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
578 (create_definition): Drop PREDEFINITION parameter.
579 * cpplib.c (do_define): Don't calculate a hash value here.
580 Don't pass (keyword == NULL) to create_definition.
582 * scan.h: Prototype scan_decls here.
583 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
584 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
585 callers of cpp_lookup and cpp_install updated.
587 * cpphash.c (macarg): Hoist all the flag diddling out of the
589 (macroexpand): ... and out of the loop that calls macarg.
590 Skip over the initial paren before macro arguments with
591 cpp_get_non_space_token; point may be some distance before
592 that paren. Abort if it's not there.
594 * cpplib.c (parse_clear_mark): Delete function.
595 (parse_set_mark, parse_goto_mark): Make static.
596 (ACTIVE_MARK_P): New macro.
597 (skip_block_comment, skip_line_comment): Do not bump the line
598 if ACTIVE_MARK_P is true.
599 (cpp_pop_buffer): The buffer to be popped may not have an
601 (cpp_get_token): When looking for the initial paren before
602 macro arguments, only set a mark in a file buffer, Always
603 return to that mark before proceeding to call macroexpand or
606 * cpplib.h: Remove prototypes of parse_set_mark,
607 parse_clear_mark, parse_goto_mark.
608 (struct cpp_options): Rename 'put_out_comments' to
609 'discard_comments' and invert its sense.
610 * cppinit.c, cpphash.c, cpplib.c: All users of
611 put_out_comments changed to use discard_comments, with
614 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
616 * function.c (thread_prologue_and_epilogue_insns): Don't delete
617 the edge from a block that both jumps and falls through to the
620 2000-02-09 Scott Bambrough <scottb@netwinder.org>
622 * config/arm/arm.md (movsi): In PIC mode, make sure that a
623 constant source address is legitimate.
625 2000-02-09 Philip Blundell <pb@futuretv.com>
627 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
630 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
632 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
634 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
636 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
637 ends with a newline and a NUL. Don't be so clever manipulating
640 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
642 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
643 not to BIGGEST_ALIGNMENT.
645 2000-02-08 Geoff Keating <geoffk@cygnus.com>
647 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
648 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
649 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
650 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
651 * frame.c (execute_cfa_insn): Handle
652 DW_CFA_GNU_negative_offset_extended.
654 2000-02-08 Richard Henderson <rth@cygnus.com>
656 * flow.c (tidy_fallthru_edges): Split out from ...
657 (delete_unreachable_blocks): ... here.
658 (find_basic_blocks): Use it.
660 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
662 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
664 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
666 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
667 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
668 (fix-header.o): Don't depend on cpphash.h.
670 * scan.c (hashstr): New function.
671 * scan.h: Prototype it.
672 * fix-header.c: Don't include cpphash.h. Use hashstr.
673 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
674 hashstr. Report hash table statistics. Add private
675 definition of xrealloc.
677 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * i386.h (TARGET_SWITCHES): Fix typo in option name.
681 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
683 * function.c (thread_prologue_and_epilogue_insns): Don't replace
684 jumps with returns unless they are jumps to the fallthru block.
686 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
688 * i386.md (addqi3_cc): Fix contraints.
690 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
692 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
694 2000-02-07 Mark Mitchell <mark@codesourcery.com>
696 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
697 carriage return after a macro name.
699 2000-02-07 Fred Fish <fnf@be.com>
701 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
702 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
704 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
706 * cppfiles.c (deps_output): Count spacers in deps_column.
708 2000-02-07 Neil Booth <NeilB@earthling.net>
710 * cppinit.c (initialize_dependency_output): If there is no
711 suffix, don't try to look for known suffixes. Use strrchr.
712 (cpp_start_read): Remove duplicate initialization.
714 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
716 * calls.c (compute_argument_block_size): New argument
717 preferred_stack_boundary.
718 (expand_call): update cfun->preferred_stack_boundary, update call of
719 compute_argument_block_size
720 (emit_library_call): Increate cfun->preferred_stack_boundary
721 to PREFERRED_STACK_BOUNDARY
722 (emit_library_call_value): Likewise.
723 * explow.c (allocate_dynamic_stack_spave): Likewise.
724 * function.c (prepare_function_start): Set
725 cfun->preferred_stack_boundary
726 * function.h (struct function): Add preferred_stack_boundary field.
727 * integrate.c (expand_inline_function): Update
728 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
729 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
730 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
732 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
734 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
735 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
736 cpp_pedwarn, cpp_pedwarn_with_line,
737 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
738 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
739 v_cpp_error_with_line, v_cpp_warning_with_line,
740 cpp_message_from_errno, cpp_perror_with_name): Delete.
742 * cpperror.c (cpp_print_containing_files): Take starting
744 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
745 (v_cpp_message): Now called directly by all entry points.
747 (cpp_pfatal_with_name, cpp_message): Delete.
748 (cpp_notice_from_errno, cpp_ice): New functions.
749 (cpp_notice): Is now for reporting error conditions, just
750 without an associated file.
751 (cpp_error, cpp_error_with_line): Don't do anything if
752 opts->inhibit_errors is on.
753 (cpp_pedwarn_with_file_and_line): Take column argument also.
755 * cpplib.h: Update prototypes of exported functions.
756 (struct cpp_options): Add inhibit_errors.
758 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
759 non-error messages. Include intl.h.
761 * cppinit.c, cppmain.c: Likewise. Also, use
762 cpp_notice_from_errno instead of cpp_perror_with_name or
763 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
765 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
766 report internal errors.
768 * cpplib.c (do_define): Switch bcopy to memcpy.
769 Give cpp_pedwarn_with_file_and_line a dummy column argument.
771 * cpplib.c (copy_rest_of_line): Revert previous change: don't
772 bail out early if we hit a line comment.
774 2000-02-06 Richard Henderson <rth@cygnus.com>
776 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
777 * basic-block.h: Declare them.
778 * emit-rtl.h (active_insn_p): New.
779 (next_active_insn, prev_active_insn): Use it.
781 * function.c (emit_return_into_block): New.
782 (thread_prologue_and_epilogue_insns): Insert return insns instead
783 of epilogues when possible.
784 * jump.c (jump_optimize_1): Remove code to insert a return insn
785 on the fallthru to the exit block.
787 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
788 and for non-empty stack frames.
789 * i386.md (return): Expand to return-pop as needed.
791 2000-02-06 Richard Henderson <rth@cygnus.com>
793 * simplify-rtx.c (simplify_relational_operation): Canonicalize
794 constant to op1 for testing.
796 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
798 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
799 (fixuns_truncqfqi2): Use it.
801 2000-02-06 Richard Henderson <rth@cygnus.com>
803 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
806 * i386.md (widening and peepholes): Mask the constant instead of
809 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
811 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
812 input pointer before possibly branching off to the backslash
814 * cpphash.c (macroexpand): Correctly delete \r escapes when
815 stringifying parameters.
816 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
817 if we can; bail out early if we hit a line comment.
818 (handle_directive): Treat '# 123' in an .S file just like
819 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
820 Return 1 for '# not_a_directive'.
821 (get_directive_token): Pop macro buffers here, so that
822 cpp_get_token can't sneakily move past a newline.
824 (cpp_get_token): goto randomchar if handle_directive returns 0.
826 * cppalloc.c: Update copyright.
827 * cpplib.c: Merge all the static function prototypes into one
829 * cpplib.h: Remove #if 0 block.
831 * cpperror.c: Remove #ifdef EMACS block.
832 * cppmain.c: Likewise.
833 * cpphash.c: Remove #if 0 blocks.
834 * cppinit.c: Remove #if 0 blocks, and the -lint option.
835 * cpplib.c: Remove #if 0 blocks and code referencing
836 pcp_inside_if or for_lint. Remove duplicate error message.
837 Fix error messages for #else after #else or #elif. Reformat.
838 Remove archaic TODO list.
839 * cpplib.h: Remove pcp_inside_if and for_lint flags.
841 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
843 * i386/osf1elf.h: Add missing backslash to multiline string.
845 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
849 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
851 * Makefile.in (c-common.o): Depend on $(EXPR_H).
853 * c-common.c: Include expr.h.
855 * c-pragma.c (mark_align_stack): Add prototype.
857 * caller-save.c (add_stored_regs): Likewise.
859 * combine.c (record_promoted_value): Likewise.
861 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
864 * cppinit.c (new_pending_define): Likewise.
866 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
868 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
869 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
870 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
871 class_scope_p): Likewise.
873 * dwarf2out.h (dwarf2out_set_demangle_name_func,
874 dwarf2out_add_library_unit_info): Likewise.
876 * ggc.h (ggc_page_print_statistics): Likewise.
878 * haifa-sched.c (propagate_deps): Likewise.
880 * reg-stack.c (next_flags_user, record_label_references): Likewise.
882 * rtl.h (set_stack_check_libfunc): Likewise.
884 * toplev.h (set_fatal_function): Likewise.
886 * toplev.c (set_fatal_function): Delete prototype.
888 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
890 2000-02-05 Geoff Keating <geoffk@cygnus.com>
892 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
893 (FUNC_END): Likewise.
895 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
897 * caller-save.c: Include tm_p.h.
899 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
901 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
903 2000-02-04 Neil Booth <NeilB@earthling.net>
905 * cccp.c (main): Check 'dir' for a NULL pointer before passing
908 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
910 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
911 * genflags.c: Use the max_operand_1 logic from genemit.c to
912 calculate how many arguments gen_insn prototypes have. Remove
913 NO_MD_PROTOTYPES ifdefs from the generated file.
914 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
915 file. Cast gen_insn initializers to insn_gen_fn.
916 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
917 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
919 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
921 * fixinc/Makefile.in (HDR): Add machname.h.
924 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
926 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
927 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
928 (c4x_cpu_version): Ditto.
929 * config/c4x/c4x-protos.h: ... here.
931 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
933 * dwarf2out.c (add_abstract_origin_attribute): Don't call
934 gen_abstract_function on our context if we're a nested function.
936 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
938 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
939 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
941 2000-02-04 Bruce Korb <bkorb@gnu.org>
943 * fixinc/genfixes(machname.h):
944 Move the functionality from gen-machine.h into this file.
945 UNdef MN_NAME_PAT if there are no names to change.
946 Also, be a little kinder when AutoGen is not present.
948 * fixinc/Makefile.in(machname.h):
949 Change the generation rule to use genfixes.
951 * fixinc/fixfixes.c(machine_name):
952 machine_name_fix's functionality now dependent upon whether
953 MN_NAME_PAT is defined.
955 * fixinc/fixtests.c(machine_name):
958 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
961 * fixinc/fixlib.h(mn_get_regexps):
964 * fixinc/gen-machine.h: DELETED
966 2000-02-04 Jan Hubicka <jh@suse.cz>
967 Richard Henderson <rth@cygnus.com>
969 * i386.c (SAVE_REGS_FIRST): Remove.
970 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
971 (ix86_compute_frame_size): Likewise.
972 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
973 (ix86_emit_restore_regs): Remove.
974 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
975 when a frame pointer is in use.
976 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
977 instead of pop to restore a register when profitable; emit leave
979 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
981 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
982 * i386.md (prologue_allocate_stack): Remove.
983 (epilogue_deallocate_stack): Remove.
984 (pro_epilogue_adjust_stack): New.
986 2000-02-04 Richard Henderson <rth@cygnus.com>
988 * function.c (diddle_return_value): Rework to use a callback function.
989 Use current_function_return_rtx if it's been set up.
990 (do_clobber_return_reg, clobber_return_register): New.
991 (do_use_return_reg, use_return_register): New.
992 (expand_function_end): Use them.
993 * stmt.c (expand_null_return): Likewise.
994 * function.h: Declare them.
995 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
996 (mark_reg): Change arguments as appropriate for callback.
997 * integrate.c (expand_inline_function): Revert 19 Jan change.
999 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1001 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1002 (Misc): Say the scheduler, not the Haifa scheduler.
1004 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1006 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1007 when in_mem is set. Update all callers.
1009 2000-02-04 Richard Henderson <rth@cygnus.com>
1011 * i386/openbsd.h (INT_ASM_OP): Define.
1013 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1015 * tm.texi: Fix various typos.
1017 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1019 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1020 (MD_STARTFILE_PREFIX_1): New macro.
1022 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1024 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1025 destination when needed.
1026 (strmovsi, strsetsi): New expander.
1027 (strmovsi_1, strsetsi_1): New pattern.
1028 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1029 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1030 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1031 * invoke.texi (align-stringops, inline-all-stringops): Document.
1033 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1035 * i386/netbsd.h (INT_ASM_OP): Define.
1037 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1039 * cpplib.h (cpp_reader): Add new flag, no_directives.
1040 * cpphash.c (macarg): Set it.
1041 * cpplib.c (handle_directive): If no_directives is on and we
1042 find a directive, issue an error and discard the line.
1044 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1046 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1047 FP constants. Add ! TARGET_FPU check for FP constants.
1049 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1051 * flow.c (find_basic_blocks): Don't kill label_value_list
1053 (cleanup_cfg): Kill it here.
1055 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1057 * expr.c (store_field): Ensure ALIGN is no stricter than the
1060 2000-02-02 Richard Henderson <rth@cygnus.com>
1062 * jump.c (delete_insn): Partially revert 19 Jan change;
1063 don't convert unused code labels to notes at -O0.
1065 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1067 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1068 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1070 2000-02-01 Richard Henderson <rth@cygnus.com>
1072 * i386.c (general_no_elim_operand): New.
1073 (nonmemory_no_elim_operand): New.
1074 (ix86_expand_move): Copy eliminable operands before a push.
1075 * i386-protos.h: Declare new functions.
1076 * i386.h (CAN_ELIMINATE): Simplify.
1077 (PREDICATE_CODES): Update.
1078 * i386.md (push insns): Don't allow eliminable register operands.
1080 2000-02-01 Richard Henderson <rth@cygnus.com>
1082 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1083 replace BLKmode with DECL_RTL's mode.
1085 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1087 * frame.c (find_fde): Convert for loop to do-while so compiler
1088 sees it's always executed at least once.
1089 * libgcc2.c (BBINBUFSIZE): Kill.
1090 (__bb_init_prg): Use fgets.
1091 (__bb_exit_trace_func): Don't paste strings.
1092 * unroll.c (unroll_loop): Initialize unroll_type, not
1093 unroll_number, and tweak logic to match.
1095 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1097 (ix86_flags_dependant): Likewise. Disentangle control flow.
1098 (ix86_sched_reorder): Break guts out to
1099 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1100 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1103 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1104 use string concatenation. Don't save and restore esi.
1106 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1107 (machname.h): Remove script to separate file. Use two-step
1108 sequence so target is not created if script fails.
1109 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1110 identifiers are defined.
1111 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1112 an empty string, machine_name doesn't need to do anything at
1114 (is_cxx_header): Add more cases to regexp.
1115 * fixinc/fixlib.h: Update prototype.
1116 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1118 * fixinc/fixincl.c: Define NO_BOGOSITY.
1120 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1121 (hp_sysfile): Add missing comma.
1122 (math_exception): Put the wrapper ifdefs at the beginning and
1123 the end of the file.
1124 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1126 2000-02-01 Richard Henderson <rth@cygnus.com>
1128 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1129 Use CONST0_RTX. Update all callers.
1130 * sparc.h, sparc-protos.h: Update accordingly.
1131 * sparc.md (fp mov insns): Use fp_zero_operand directly
1134 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1136 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1139 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * Makefile.in (specs.ready): New target.
1142 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1144 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1146 * fixinc.irix: Use unique filenames for writing into /tmp,
1147 * fixinc.ptx: Likewise.
1148 * fixinc.sco: Likewise.
1149 * fixinc.svr4: Likewise.
1150 * fixinc.winnt: Likewise.
1152 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * tsystem.h: New file.
1156 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1157 s-crtS): Depend on tsystem.h.
1159 * crtstuff.c: Include tsystem.h.
1160 * frame.c: Likewise.
1161 * libgcc2.c: Likewise.
1163 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1165 * builtins.c (expand_builtin_memset): Expand for variable sized
1168 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1170 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1173 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1175 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1177 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1179 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1181 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1182 case 3->2 combining (combining with splitting) in which 2 is CC0
1183 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1184 checked at the begining of the function with the aid of calling
1185 function 'can_combine_p'.
1187 2000-01-31 Dave Brolley <brolley@redhat.com>
1189 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1191 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1193 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1196 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1200 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1203 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1205 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1206 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1207 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1208 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1209 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1210 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1211 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1212 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1213 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1214 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1216 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1217 Add %(cpp_cpu) to CPP_SPEC.
1219 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1220 Add %(cc1_cpu) to CC1_SPEC.
1222 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1224 * c-decl.c (c_decode_option): Accept optional numeric argument to
1225 -Wformat and set warn_format.
1226 * c-common.c: Don't emit warning about non-constant printf format
1227 string unless warn_format > 1.
1229 2000-01-30 Richard Henderson <rth@cygnus.com>
1231 * alpha.md (return_internal): Allow after reload only.
1233 2000-01-30 Richard Henderson <rth@cygnus.com>
1235 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1236 local frame size is zero.
1238 2000-01-30 Richard Henderson <rth@cygnus.com>
1240 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1241 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1242 * alpha.md (return): Turn into an expander.
1243 (return_internal): Don't use $26.
1244 (epilogue): Emit the return insn.
1246 2000-01-30 Richard Henderson <rth@cygnus.com>
1248 * alpha.md (negtf2, abstf2): Fix word order thinko.
1250 (trunctfsf2): Avoid intermediate rounding errors.
1252 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1254 * cppfiles.c (find_position): Drop 'colp' argument, return the
1256 (read_and_prescan): Adjust to match. Don't ever manipulate
1257 line or line_base except via find_position.
1259 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1261 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1262 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1265 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1267 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1268 just print "<command line>". If 'filename' is null or an
1269 empty string, print "<stdin>" for the filename.
1270 * cpplib.c (do_define): Don't print the 'location of the
1271 previous definition' message if we're still parsing the
1273 (cpp_pedwarn_with_file_and_line): Always call
1274 cpp_file_line_for_message.
1276 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1278 * flow.c (mark_regs_live_at_end): Fix typo.
1280 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1282 * c-common.c: Adjust variable names, comments, help strings to c99.
1283 * c-lex.c: Likewise.
1284 * c-parse.y: Likewise.
1285 * c-tree.h: Likewise.
1287 * cpplib.h: Likewise.
1288 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1289 * cppinit.c: Likewise.
1291 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1293 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1294 * c4x.c: Define the optab rtx values.
1295 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1296 (c4x_emit_libcall): Use new optab rtx values.
1297 (c4x_emit_libcall3): Likewise.
1298 (c4x_emit_libcall_mulhi): Likewise.
1299 * c4x-protos.h: Add prototypes for optab rtx values and change
1300 prototypes for above c4x_emit_libcall functions.
1302 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1304 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1306 (c4x_function_prologue): Use regnames intead of float_reg_names when
1308 (c4x_function_epilogue): Likewise.
1309 (c4x_print_operand): Likewise.
1310 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1311 * c4x.md (set_high): Disable for TARGET_TI.
1313 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1315 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1316 of framepointer + constant to ADDR_REGS class.
1317 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1318 * c4x.c (std_or_reg_operand): New function.
1319 * c4x-protos.h (std_or_reg_operand): Prototype it.
1321 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1323 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1324 object names as libgcc2.c.
1325 * libgcc.S: Use newly defined names.
1327 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1328 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1330 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1331 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1332 (FLOW_LOOP_LAST_BLOCK): Likewise.
1334 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1336 * basic-block.h (struct loop): New fields 'first' and 'last'.
1337 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1338 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1339 and loop->last to check for NOTE_INSN_LOOP_END.
1341 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1343 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1344 of the loop descriptor rather than HEADER and LATCH. Also added
1345 missing break statements as well making some coding style modifications
1346 as suggested by Michael Hayes.
1348 2000-01-28 Richard Henderson <rth@cygnus.com>
1350 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1351 Break out that code ...
1352 (cleanup_cfg): ... here.
1353 (commit_one_edge_insertion): Detect a return instruction being
1354 emitted to an edge. Emit a barrier following; clear fallthru.
1355 (commit_edge_insertions): Verify CFG consistency.
1356 * function.c (expand_function_start): Kill unused variable.
1357 (expand_function_end): Likewise.
1358 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1359 to insert the epilogue.
1361 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1362 (delete_null_pointer_checks): Likewise.
1363 * output.h: Likewise.
1364 * reg-stack.c (reg_to_stack): Likewise.
1365 * toplev.c (rest_of_compilation): Likewise. Run
1366 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1368 2000-01-28 Richard Henderson <rth@cygnus.com>
1370 * Makefile.in (flow.o): Revert 24 Jan change.
1371 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1372 FUNCTION_VALUE result to DECL_RESULT's mode.
1374 * haifa-sched.c (schedule_insns): Don't recompute reg info
1377 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1379 * configure.in: Make --enable-cpplib the default.
1380 * configure: Regenerate.
1381 * gcc.dg/990119-1.c: No longer expected to fail.
1383 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1385 * jump.c (jump_optimize_1): Delete an optimization that is also done
1386 by merge_blocks in flow.
1388 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1390 * diagnostic.c (build_message_string, output_printf,
1391 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1392 (build_location_prefix): Fix non-literal format string.
1394 2000-01-27 Richard Henderson <rth@cygnus.com>
1396 * alpha.md (trunctfsf2): New.
1398 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1400 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1402 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1404 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1406 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1408 (skip_comment) ... here. Permit C++ comments in system
1409 headers always. Warn about C++ comments in user code under
1410 -std=gnu89 -pedantic.
1411 (copy_comment): Use skip_comment.
1412 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1414 (consider_directive_while_skipping, do_else, do_endif): Call
1415 validate_else unconditionally.
1416 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1417 text after the conditional in a system header.
1418 * cpplib.h (struct cpp_buffer): Add flag
1419 warned_cplusplus_comments.
1421 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1423 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1424 Use unshare_all_rtl_1.
1425 (unshare_all_rtl_again): New function.
1426 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1428 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1429 rather than resetting the 'used' flags ourself.
1431 * toplev.c (rest_of_compilation): Add current_function_decl
1432 to the unshare_all_rtl call.
1433 * tree.h: Prototype unshare_all_rtl.
1434 * rtl.h: Prototype unshare_all_rtl_again here.
1436 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1438 * genoutput.c (output_prologue): Include ggc.h in generated
1440 * Makefile.in (insn-output.o): Depends on ggc.h.
1442 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1443 Hans-Peter Nilsson <hp@bitrange.com>
1445 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1446 Remove redundant include of xm-ns32k.h.
1447 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1448 Remove redundant include of xm-ns32k.h.
1449 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1450 Remove redundant include of xm-ns32k.h.
1451 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1453 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1454 (TARGET_SWITCHES): Add documentation strings.
1455 (DWARF_FRAME_REGNUM): Override default definition.
1456 (REG_CLASS_CONTENTS): Add comments.
1457 (SUBSET_P): Format to reduce line length.
1458 (SMALL_REGISTER_CLASSES): Make a run time option.
1459 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1460 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1461 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1462 (regclass_map): fix typo in comment.
1463 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1464 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1465 (trace, reg_or_mem_operand): Delete, unused function.
1466 (calc_address_cost): Small offsets are cheaper than large ones.
1467 (expand_block_move): Generate more efficient code when bytes is a
1468 known at compile time.
1469 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1470 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1471 instead of reg_or_mem_operand.
1473 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1474 not general_operand. Similarly use "=rm" or stricter, not "=g".
1475 For input operands, use stricter constraints than "g" if not
1476 general_operand. Similarly use stricter predicate than
1477 "general_operand" when stricter constraints than "g" are present,
1478 except for matching constraints.
1479 (movstrsi): Use "memory_operand" for operands 0 and 1.
1480 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1481 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1482 not reg_or_mem_operand.
1483 (udivmoddisi4): Ditto.
1484 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1485 Use nonimmediate_operand for operand 3, not register_operand.
1486 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1489 2000-01-27 Fred Fish <fnf@be.com>
1491 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1492 * gthr-single.h: Likewise.
1493 * gthr-solaris.h: Likewise.
1494 * gthr-vxworks.h: Likewise.
1495 * gthr-win32.h: Likewise.
1498 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1500 * cppinit.c: Add " (cpplib)" to end of string printed by
1503 2000-01-27 Richard Henderson <rth@cygnus.com>
1505 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1506 testing for a signed comparison.
1507 (alpha_emit_floatuns): New.
1508 * alpha-protos.h: Declare it.
1509 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1510 (extendsfdf2): Tidy.
1512 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1514 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1515 no -g option specifying debugging format, default to -gstabs+.
1517 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1519 * calls.c (special_function_p): New argument fork_or_exec.
1520 (expand_call): When profile_arc_flag is set and the function
1521 is in the fork_or_exec group, call __bb_fork_func first.
1522 * libgcc2.c, _bb module (__bb_fork_func): New function.
1523 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1525 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1526 * tree.h (special_function_p): Update prototype.
1528 2000-01-26 Richard Henderson <rth@cygnus.com>
1530 * alpha.c (alpha_split_tfmode_pair): New.
1531 * alpha-protos.h: Declare it.
1532 * alpha.md (abstf2, negtf2): New.
1533 (movtf insn): Add input G constraint.
1534 (movtf splitter): Use alpha_split_tfmode_pair.
1536 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1538 * i386/cygwin.h: PROTO -> PARAMS.
1540 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1542 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1543 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1544 using _Qp_cmp/_Q_cmp and testing the return value.
1545 (print_operand): Call reverse_condition_maybe_unordered if
1546 we are handling CCFPmode or CCFPEmode.
1547 Handle ORDERED, UN* and LTGT comparisons.
1548 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1549 if not TARGET_HARD_QUAD.
1550 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1551 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1552 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1553 Adjust gen_b* calls so that they reflect return comparison of
1554 sparc_emit_float_lib_cmp.
1556 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1558 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1559 incoming operands array is large enough for one more operand.
1560 (alpha_emit_xfloating_arith): Likewise.
1562 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1564 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1565 file with one line and no trailing newline.
1566 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1567 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1568 checking if the match is on the line.
1569 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1571 2000-01-25 Richard Henderson <rth@cygnus.com>
1573 * sparc.c (output_cbranch): Fix accidental squashing of the
1574 fp branch pre-delay nop.
1576 2000-01-25 Richard Henderson <rth@cygnus.com>
1578 * tree.def (UNNE_EXPR): Remove.
1579 * c-typeck.c (build_binary_op): Don't handle it.
1580 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1582 * rtl.def (UNNE): Remove.
1584 * jump.c (reverse_condition): Update accordingly.
1585 (swap_condition): Likewise.
1586 (comparison_dominates_p): Handle unordered comparisons.
1587 (reverse_condition_maybe_unordered): New.
1588 * rtl.h (reverse_condition_maybe_unordered): Declare.
1590 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1591 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1592 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1593 * sparc.md (bltgt): New.
1595 2000-01-25 Nick Clifton <nickc@redhat.com>
1597 * emit-rtl.c (emit_insn): Only check machine class insns for
1598 improper emission of a RETURN.
1600 2000-01-25 Richard Henderson <rth@cygnus.com>
1602 * Makefile.in (flow.o): Depend on $(EXPR_H).
1603 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1604 duplicate the structure of diddle_return_value for keeping regs live.
1606 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1608 * loop.c (current_loop_info): Delete.
1609 (consec_sets_invariant_p): Add loop argument, update callers.
1610 (get_condition_for_loop): Likewise.
1611 (count_nonfixed_reads, update_giv_derive): Likewise.
1612 (simplify_giv_expr, general_induction_var): Likewise.
1613 (consec_sets_giv, recombine_givs): Likewise.
1614 (move_movables): Delete loop_start and loop_end arguments,
1615 add loop argument, and update callers.
1616 (find_mem_givs, check_final_value): Likewise.
1617 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1618 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1620 (basic_induction_var): Add loop argument, delete loop_level argument,
1622 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1623 add loop argument, and update callers.
1624 (find_splittable_regs, find_splittable_givs): Likewise.
1625 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1626 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1627 (biv_total_increment): Delete loop_start and loop_end arguments;
1629 (precondition_loop_p): Delete loop_start and loop_info arguments;
1631 * loop.h (get_condition_for_loop): Add loop argument.
1632 (biv_total_increment): Delete loop_start and loop_end arguments.
1633 (precondition_loop_p): Delete loop_start and loop_info arguments;
1635 (final_biv_value): Delete loop_start and loop_end arguments;
1637 (final_giv_value, back_branch_in_range_p): Likewise.
1639 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1641 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1643 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1645 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1646 point to the new "generated_files" doc.
1648 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1650 * config/fp-bit.c (_unord_f2): Fix typo.
1652 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1654 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1655 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1656 functions obsoleted by GC, such as push_obstacks_nochange,
1657 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1658 and code which existed only to decide whether or not to call
1659 them. Remove now-unused NESTED argument from start_function;
1660 all callers changed. Do not change behavior based on ggc_p.
1661 The use of the ixp_obstack in c-iterate.c and the util_obstack
1662 in objc/objc-act.c remain; these are not obsoleted by garbage
1664 * c-tree.h: Update prototype for start_function.
1666 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1668 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1670 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1673 2000-01-25 Richard Henderson <rth@cygnus.com>
1675 * sparc-protos.h (select_cc_mode): Declare.
1676 * sparc.c (select_cc_mode): New. Handle unordered compares.
1677 (output_cbranch): Always reverse via code change. Handle
1678 unordered compares. Factor tests and string updates.
1679 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1680 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1681 * sparc.md (bunordered, bordered): New.
1682 (bungt, bunlt, buneq, bunge, bunle): New.
1684 2000-01-25 Richard Henderson <rth@cygnus.com>
1686 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1687 * ggc-common.c (ggc_add_rtx_varray_root): New.
1688 (ggc_mark_rtx_varray): New.
1689 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1690 functions down below ggc_mark_foo.
1691 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1693 2000-01-25 Richard Henderson <rth@cygnus.com>
1695 * alpha.c (secondary_reload_class): Don't allocate a secondary
1696 for integral mode memories into FLOAT_REGS. Rearrange the more
1697 complicated memory expression inward.
1699 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1701 * inclhack.def: Fixes to play nicer with FreeBSD, and
1702 corrections to comments.
1703 (cxx_unready): Add select expression.
1704 (irix_sockaddr): Add bypass expression.
1705 (machine_ansi_h_va_list): New fix.
1706 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1707 Split out addition of "#include <stdarg.h>" to...
1708 (stdio_stdarg_h): ... here.
1709 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1710 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1711 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1713 (ultrix_ifdef): Tighten up select expression.
1715 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1716 re_ct and max_mach to avoid use of shell. Make printed names
1717 match names in inclhack.def. Use static copyright date.
1718 Don't count c_test and test expressions as requiring regex_t
1719 slots. Add some commentary.
1720 * inclhack.tpl: Do not include the 'This script contains N
1721 fixup scripts' line if PROGRAM is defined. Use static
1724 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1726 * dwarf2out.c: include "varray.h", not dyn-string.h.
1727 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1728 (addr_const_to_string, addr_to_string): Lose.
1729 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1730 (struct dw_val_struct): val_addr is now an rtx.
1731 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1732 (used_rtx_varray): New varray.
1733 (dwarf2out_init): Initialize it.
1735 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1737 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1738 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1739 * Makefile.in (dwarf2out.o): Update dependencies.
1741 2000-01-24 Richard Henderson <rth@cygnus.com>
1743 * i386.c (i386_dwarf_output_addr_const): New.
1744 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1746 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1748 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1749 * i386.c (i386_simplify_dwarf_addr): New.
1750 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1752 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1754 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1755 TYPE_STUB_DECL is NULL.
1757 2000-01-24 Richard Henderson <rth@cygnus.com>
1759 * builtins.c (expand_tree_builtin): Move ...
1760 * c-common.c (expand_tree_builtin): ... here.
1762 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1764 * loop.h (LOOP_INFO): New accessor macro.
1765 * basic-block.h (struct loop): Rename field `info' to `aux'.
1766 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1767 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1768 * unroll.c (loop_iterations, unroll_loop): Likewise.
1770 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1772 * config/i386/t-cygwin: Accomodate new winsup directory layout
1773 when searching for include files.
1775 2000-01-24 Richard Henderson <rth@cygnus.com>
1777 * rtl.def: Add unordered fp comparisions.
1778 * tree.def: Likewise.
1779 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1781 * builtins.c (expand_tree_builtin): New function.
1782 * c-typeck.c (build_function_call): Use it.
1783 (build_binary_op): Support unordered compares.
1784 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1786 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1787 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1788 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1789 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1790 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1792 (swap_condition): Handle unordered compares.
1793 (thread_jumps): Check can_reverse before reversing.
1794 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1797 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1798 setcc is present before acking for cmp_optab. Update all callers.
1799 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1800 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1801 * expr.c (expand_expr): Likewise. Support unordered compares.
1802 (do_jump, do_store_flag): Likewise.
1803 * expr.h (enum libfunc_index): Add unordered compares.
1805 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1806 (DPBIT_FUNCS): Add _unord_df.
1807 * config/fp-bit.c (_unord_f2): New.
1808 * fp-test.c (main): Try unordered compare builtins.
1810 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1811 * alpha.c (alpha_comparison_operator): Check mode properly.
1812 (alpha_swapped_comparison_operator): Likewise.
1813 (signed_comparison_operator): Likewise.
1814 (alpha_fp_comparison_operator): New.
1815 (alpha_emit_conditional_branch): Handle unordered compares.
1816 * alpha.h (PREDICATE_CODES): Update.
1817 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1818 (bunordered, bordered): New.
1820 2000-01-24 Richard Henderson <rth@cygnus.com>
1822 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1823 * alpha.md (movtf): New expander, insn, and splitter.
1825 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1827 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1830 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1832 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1833 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1834 REG_ALLOC_ORDER): Add frame pointer
1835 (FRAME_POINTER_REGNUM): Set to 20
1836 (HARD_FRAME_POINTER_REGNUM): New macro.
1837 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1838 to HARD_FRAME_POINTER.
1839 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1840 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1841 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1842 (HI_REGISTER_NAMES): Add "frame".
1843 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1844 (debug_reg): Handle FRAME_POINTER_REGNUM.
1845 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1846 GENERAL_REGS and INDEX_REGS.
1847 * i386.c (SAVED_REGS_FIRST): new macro.
1848 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1849 (ix86_decompose_address, memory_address_length): Likewise.
1850 (regclass_map): Add frame pointer.
1851 (call_insn_operand): Handle frame_pointer_rtx.
1852 (reg_no_sp_operand): Likewise.
1853 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1854 (print_operand, legitimize_pic_address): Fix formating.
1855 (ix86_compute_frame_size): Make static, update prototype, new
1856 parameters padding1, padding2, use ix86_nsaved_regs, use
1857 stack_alignment_needed.
1858 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1859 to HARD_FRAME_POINTER_REGNUM conversions.
1860 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1861 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1862 (print_reg): Abort on FRAME_POINTER_REGNUM
1864 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1866 * i386.h (PREDICATE_CODES): Add aligned_operand.
1867 * i386.c (aligned_operand): New function.
1868 (ix86_aligned_p): Kill.
1869 * i386.md (movhi_1): Emit mov for aligned operands.
1870 (promoting peep2s): Use aligned_operand.
1872 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1874 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1875 expression to allow underscores in macro names.
1876 (fix_char_macro_defines): Increment scanning pointer.
1878 2000-01-23 Richard Henderson <rth@cygnus.com>
1880 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1881 * alpha/osf5.h: New file.
1882 * configure.in (alpha-*-osf5): Add it to tm_file.
1884 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1886 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1887 (alpha_emit_xfloating_cvt, function_arg): Declare.
1888 * alpha.c (alpha_emit_conditional_branch): Call
1889 alpha_emit_xfloating_compare for TFmode compares.
1890 (alpha_lookup_xfloating_lib_func): New.
1891 (alpha_compute_xfloating_mode_arg): New.
1892 (alpha_emit_xfloating_libcall): New.
1893 (alpha_emit_xfloating_arith): New.
1894 (alpha_emit_xfloating_compare): New.
1895 (alpha_emit_xfloating_cvt): New.
1896 (print_operand): Add default abort case.
1897 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1898 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1899 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1900 (RETURN_IN_MEMORY): True for TF/TCmode.
1901 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1902 (FUNCTION_ARG): Move to function_arg.
1903 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1904 (ASM_OUTPUT_LONG_DOUBLE): New.
1905 (ASM_OUTPUT_DOUBLE): Always output bits.
1906 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1907 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1908 (extenddftf2, trunctfdf2): New.
1910 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1912 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1913 * config/sparc/sol2.h: ... here.
1915 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1917 * basic-block.h (struct loops): New field `levels'.
1918 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1919 (flow_loop_level_compute): Initialise level to 1.
1920 (flow_loops_find): Set loops->levels.
1921 (flow_loops_dump): Print loops->levels.
1923 2000-01-23 Richard Henderson <rth@cygnus.com>
1925 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1926 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1928 2000-01-23 Richard Henderson <rth@cygnus.com>
1930 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1931 * i386.h (DBX_REGISTER_NUMBER): Use them.
1932 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1933 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1934 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1935 * i386/sequent.h: Kill incorrect comment.
1937 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1939 * ggc-page.c (struct page_entry): Make `context_depth' an
1941 (struct globals): Likewise.
1943 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1945 * loop.c (check_dbra_loop): When checking a loop for
1946 reversability, check the source of any stores to ensure
1947 they don't depend on an initial value.
1949 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1951 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1953 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1955 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1956 'pz_scan' into scope of entire function. Only affects
1957 compiles with -DDEBUG.
1959 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1961 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1962 section naming to that prior to 2000-01-07 patch.
1963 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1964 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1965 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1966 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1967 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1969 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1971 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1974 2000-01-21 Jim Wilson <wilson@cygnus.com>
1976 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1977 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1979 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1981 * cpphash.c (change_newlines): Delete function.
1982 (struct argdata): Delete 'newlines' and 'use_count' fields.
1983 (macroexpand): Remove code referencing those fields.
1985 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1987 * loop.c (loops_info): New variable.
1988 (loop_optimize): Allocate loops->array and free it on exit.
1989 Allocate memory for loops_info and assign to each loop,
1991 (find_and_verify_loops): Do not allocate loops->array.
1993 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1995 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1997 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1999 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2000 pseudos if expanded after first flow.
2001 (movdi_pic_label_ref): Likewise.
2003 2000-01-20 Richard Henderson <rth@cygnus.com>
2005 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2007 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2009 * Makefile.in (fixinc.sh): Depend on specs.
2010 * fixinc/Makefile.in: Add rule to create machname.h.
2011 (fixlib.o): Depend on machname.h.
2012 * fixinc/fixtests.c (machine_name): New test.
2013 * fixinc/fixfixes.c (machine_name): New fix.
2014 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2015 the machine_name test and fix.
2016 * fixinc/fixlib.h: Prototype it.
2017 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2018 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2020 * gcc.c (do_spec_1) [case P]: Take care not to create
2021 identifiers with three leading or trailing underscores.
2023 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2024 (fixincl): Don't specify libraries twice on link line.
2025 (gnu-regex.o): Remove special rule.
2026 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2027 defined by config.h. Do not define _REGEX_RE_COMP.
2028 (regcomp): Allocate and initialize a fastmap.
2029 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2031 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2033 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2035 2000-01-19 Richard Henderson <rth@cygnus.com>
2037 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2038 arguments with BB. Update all callers. Tidy line wrapping.
2040 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2042 * emit-rtl.c (try_split): Return last_insn if we split the
2045 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2047 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2048 (ix86_initial_elimination_offset): Declare.
2049 * i386.c (ix86_nsaved_regs): Break out from ...
2050 (ix86_can_use_return_insn_p): ... here.
2051 (ix86_emit_save_regs): Break out from ...
2052 (ix86_expand_prologue): ... here.
2053 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2055 (ix86_expand_epilogue): ... here.
2056 (ix86_compute_frame_size): Make static, add prototype.
2057 (ix86_initial_elimination_offset): Break out from ...
2058 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2060 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * recog.h (OUT_FCN): Delete.
2064 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2066 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * cppalloc.c: PROTO -> PARAMS.
2069 * cpperror.c: Likewise.
2070 * cppfiles.c: Likewise.
2071 * cpplib.c: Likewise.
2072 * cpplib.h: Likewise.
2074 * config/arm/arm-protos.h: PROTO -> PARAMS.
2075 * config/arm/arm.c: Likewise.
2076 * config/c4x/c4x.c: Likewise.
2077 * config/fr30/fr30-protos.h: Likewise.
2078 * config/nextstep.c: Likewise.
2079 * config/pa/pa.c: Likewise.
2080 * config/pj/pj.c: Likewise.
2081 * config/rs6000/rs6000.c: Likewise.
2082 * config/v850/v850-protos.h: Likewise.
2083 * config/v850/v850.c: Likewise.
2085 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087 * i370-protos.h: New file.
2089 * i370.c: Include tm_p.h. Fix compile time warnings.
2091 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2094 * i370.md: Likewise.
2096 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2098 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2099 (target_isinf, target_isnan, eisnan): Mark parameter with
2101 (eiisinf): Wrap in INFINITY.
2102 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2103 (ibmtoe): Remove unused variable `rndsav'.
2105 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2107 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2108 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2110 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2112 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2113 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2114 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2116 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2117 Recognize Emacs mode markers also.
2118 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2119 C++ comments in C++ headers. Call is_cxx_header only if
2122 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2124 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2125 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2126 ... these, which use the new C fixes.
2127 (math_exception): Escape literal '+' in bypass expression.
2129 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2132 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2134 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2137 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2139 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2140 prior to calling scan_loop.
2142 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2144 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2145 (split_branches, calc_live_regs): Likewise.
2147 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2149 * sh.md (fpu_single, fp_mode): New attributes.
2151 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2153 * loop.c (current_loop_info): Renamed from loop_info_data
2154 and changed to a pointer.
2155 (loop_optimize): Allocate loop_info structure for each loop
2156 and initialise to zero.
2157 (scan_loop): Set current_loop_info.
2159 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2162 2000-01-19 Richard Henderson <rth@cygnus.com>
2164 * stupid.c: Die die die.
2165 * Makefile.in (OBJS): Remove stupid.o.
2166 (stupid.o): Likewise.
2168 * except.c (emit_eh_context): Don't emit USEs for stupid.
2169 * explow.c (probe_stack_range): Likewise.
2170 * flags.h (obey_regdecls): Remove.
2171 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2172 when not optimizing.
2173 (life_analysis): Limit data collection when not optimizing.
2174 (mark_regs_live_at_end): Always mark the return value registers.
2175 (mark_used_regs): Remove dummy RETURN case.
2176 (print_rtl_with_bb): Don't consult obey_regdecls.
2177 * function.c (use_variable, use_variable_after): Remove.
2178 (assign_parms): Consult optimize not obey_regdecls.
2179 (expand_function_start): Don't emit USEs for stupid.
2180 (expand_function_end): Likewise.
2181 * global.c (build_insn_chain): Export.
2182 * integrate.c (expand_inline_function): Kill return-value USE
2184 * jump.c (jump_optimize_1): Do simple jump optimizations and
2185 dead code elimination.
2186 (calculate_can_reach_end): Remove check_deleted argument.
2187 (delete_insn): Patch out insns even when not optimizing.
2188 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2189 * rtl.h (use_variable, use_variable_after): Remove declarations.
2190 (build_insn_chain): Declare.
2191 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2192 (expand_end_bindings): Likewise.
2193 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2194 * toplev.c (obey_regdecls): Remove.
2195 (rest_of_compilation): Don't set it. Kill stupid in favour of
2196 flow1, local-alloc, and reload.
2197 (main): Don't set obey_regdecls.
2199 * config/nextstep.c (handle_pragma): Likewise.
2201 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2203 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2205 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * alpha-protos.h: PROTO -> PARAMS.
2208 * alpha.c: Likewise.
2210 * h8300.c: Likewise.
2211 * i386-protos.h: Likewise.
2213 * m32r-protos.h: Likewise.
2216 * mips.md: Likewise.
2217 * gmon-sol2.c: Likewise.
2218 * sparc.c: Likewise.
2220 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * ns32k-protos.h: New file.
2224 * ns32k.c: Fix compile time warnings.
2226 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2229 * ns32k.md: Likewise.
2231 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2233 * vax-protos.h: New file.
2235 * vax.c: Fix compile time warnings.
2237 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2242 * vaxv.md: Likewise.
2244 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * romp-protos.h: New file.
2248 * romp.c: Fix compile time warnings.
2250 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2253 * romp.md: Likewise.
2255 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2257 * we32k-protos.h: New file.
2259 * we32k.c: Fix compile time warnings.
2261 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2264 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2266 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2268 * except.c (eh_regs): Likewise.
2270 * final.c (output_operand): Likewise.
2272 * fold-const.c (target_isinf, target_isnan): Likewise.
2274 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2276 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2277 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2279 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2281 (clrstrsi): Rewrite.
2282 (strsethi, strsetqi): New expanders.
2283 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2284 (cmpstrsi): Emit compare insn before cmpstrsi_1
2285 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2286 (strlensi_1): Likewise.
2287 (cmpstrsi_1): Likewise; do not output compare.
2288 (strlen expander): Do not unroll when optimizing for size.
2289 (*subsi3_carry): Rename to subsi3_carry
2290 (addqi3_cc): New pattern.
2291 * i386.h (processor_costs): Add move_ratio field.
2292 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2293 * i386.c (*_cost): Set move_ratio.
2294 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2295 (x86_expand_strlensi_1): Rewrite the main loop.
2297 2000-01-17 Richard Henderson <rth@cygnus.com>
2299 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2300 * cse.c (find_comparison_args, fold_rtx): Likewise.
2301 * integrate.c (subst_constants): Likewise.
2302 * loop.c (get_condition): Likewise.
2304 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2306 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2308 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2310 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2311 (RESTORE_WARN_FLAGS): Unpack it.
2312 Change semantic type of extension to ttype.
2313 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2314 * c-parse.y, c-parse.c, objc/objc-parse.y,
2315 objc/objc-parse.c: Regenerate.
2317 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2319 * fixinc/fixlib.c: Add copyright notice.
2320 (compile_re): New function.
2321 * fixinc/fixlib.h: Prototype compile_re.
2323 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2324 Use compile_re to compile regular expressions.
2326 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2327 where the pattern matched.
2329 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2331 (ultrix_ansi_compat): Likewise.
2332 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2334 (interactv_add2, interactv_add3): Delete.
2335 (x11_sprintf): Don't use filename glob.
2336 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2339 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2341 * print-rtl.c: PROTO -> PARAMS.
2343 * reg-stack.c: Likewise.
2344 * resource.c: Likewise.
2345 * sdbout.h: Likewise.
2346 * simplify-rtx.c: Likewise.
2347 * stor-layout.c: Likewise.
2348 * stupid.c: Likewise.
2349 * xcoffout.c: Likewise.
2350 * xcoffout.h: Likewise.
2352 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2354 * toplev.c: PROTO -> PARAMS.
2355 * toplev.h: Likewise.
2358 * unroll.c: Likewise.
2359 * varasm.c: Likewise.
2360 * varray.c: Likewise.
2361 * varray.h: Likewise.
2363 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2365 * reload.c: PROTO -> PARAMS.
2366 * reload.h: Likewise.
2367 * reload1.c: Likewise.
2368 * reorg.c: Likewise.
2369 * resource.h: Likewise.
2372 * rtlanal.c: Likewise.
2373 * sbitmap.h: Likewise.
2374 * sdbout.c: Likewise.
2375 * stack.h: Likewise.
2377 * system.h: Likewise.
2379 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2381 * machmode.h: PROTO -> PARAMS.
2382 * mbchar.h: Likewise.
2383 * mips-tdump.c: Likewise.
2384 * mips-tfile.c: Likewise.
2385 * optabs.c: Likewise.
2386 * output.h: Likewise.
2387 * prefix.c: Likewise.
2388 * profile.c: Likewise.
2389 * protoize.c: Likewise.
2391 * recog.c: Likewise.
2392 * recog.h: Likewise.
2393 * regclass.c: Likewise.
2394 * regmove.c: Likewise.
2397 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2399 * ggc-common.c: PROTO -> PARAMS.
2400 * ggc-page.c: Likewise.
2401 * ggc-simple.c: Likewise.
2403 * global.c: Likewise.
2404 * graph.c: Likewise.
2405 * gthr-win32.h: Likewise.
2406 * haifa-sched.c: Likewise.
2407 * halfpic.h: Likewise.
2408 * integrate.c: Likewise.
2409 * integrate.h: Likewise.
2412 * local-alloc.c: Likewise.
2416 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2418 * genattr.c: PROTO -> PARAMS.
2419 * genattrtab.c: Likewise.
2420 * gencheck.c: Likewise.
2421 * gencodes.c: Likewise.
2422 * genconfig.c: Likewise.
2423 * genemit.c: Likewise.
2424 * genextract.c: Likewise.
2425 * genflags.c: Likewise.
2426 * gengenrtl.c: Likewise.
2427 * genopinit.c: Likewise.
2428 * genoutput.c: Likewise.
2429 * genpeep.c: Likewise.
2430 * genrecog.c: Likewise.
2432 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2434 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2436 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2438 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2439 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2440 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2441 * configure, config.in: Rebuilt.
2443 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2445 * config/i386/i386.md: Add peephole to merge successive stack
2448 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2450 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2451 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2452 when walking backwards to find all the parameter loads when
2453 the basic block ends in a call.
2455 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2457 * loop.c (this_loop_info): Delete.
2458 (uid_loop): Add in place of uid_loop_num. All uses updated.
2459 (loop_number_exit_count): Delete and replace with entry in loop
2460 structure. All uses updated.
2461 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2462 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2463 (loop_outer_loop): Likewise.
2464 (loop_invalid, loop_number_exit_labels): Likewise.
2465 (loop_used_count_register): Delete and replace with entry in
2466 loop_info structure.
2467 (find_and_verify_loops): Add loops argument.
2468 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2469 loop_end, etc. arguments with loop structure pointer. All callers
2471 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2472 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2473 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2474 (insert_bct): Likewise.
2475 (basic_induction_var): New argument level.
2476 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2477 vtop, and cont. Add used_count_register.
2478 (uid_loop): Delete declaration.
2479 (loop_number_exit_count): Likewise.
2480 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2481 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2482 (loop_outer_loop, loop_used_count_register): Likewise.
2483 (loop_invalid, loop_number_exit_labels): Likewise.
2484 (unroll_loop): Replace loop_start and loop_end arguments
2485 with loop structure pointer.
2486 (loop_precondition_p, loop_iterations): Likewise.
2487 Include basic-block.h.
2488 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2489 with loop structure pointer.
2490 (loop_precondition_p, loop_iterations): Likewise.
2491 * basic-block.h (struct loop): New entries vtop, cont,
2492 cont_dominator, start, end, top, scan_start, exit_labels,
2494 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2496 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2498 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2500 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2502 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2504 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2506 * pdp11-protos.h: New file.
2508 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2511 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2514 * pdp11.md: Likewise.
2518 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2520 * mn10300-protos.h: New file.
2522 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2525 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2528 * mn10300.md: Likewise.
2530 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2532 * mn10200-protos.h: New file.
2534 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2537 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2540 * mn10200.md: Likewise.
2542 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2544 * h8300-protos.h: New file.
2546 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2549 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2552 * h8300.md: Likewise.
2554 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2557 (asm_emit_uninitialised): Likewise.
2559 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2561 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2562 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2564 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2566 * config/mips/mips.c (override_options): Don't turn on extra
2567 alignment for mips16.
2569 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2571 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2572 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2575 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2577 * builtins.c (PAD_VARARGS_DOWN): Define.
2578 (std_expand_builtin_va_arg): Use the above macro.
2579 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2580 * tm.texi (Register Arguments): Document the above macro.
2582 2000-01-14 Nick Clifton <nickc@cygnus.com>
2584 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2585 that this function has not been used to emit a jump
2588 * jump.c (return_jump_1): Cope with being passed a null rtx.
2590 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2592 * eh-common.h: PROTO -> PARAMS.
2593 * emit-rtl.c: Likewise.
2594 * errors.c: Likewise.
2595 * errors.h: Likewise.
2596 * except.c: Likewise.
2597 * except.h: Likewise.
2598 * explow.c: Likewise.
2599 * expmed.c: Likewise.
2602 * final.c: Likewise.
2603 * fix-header.c: Likewise.
2605 * fold-const.c: Likewise.
2606 * function.c: Likewise.
2607 * function.h: Likewise.
2609 * gcov-io.h: Likewise.
2613 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2615 * sh-protos.h: New file.
2617 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2618 Add static prototypes. Fix compile time warnings.
2620 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2624 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2626 * arc-protos.h: New file.
2628 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2631 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2636 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2638 * dsp16xx-protos.h: New file.
2640 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2643 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2646 * dsp16xx.md: Likewise.
2648 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * convex-protos.h: New file.
2652 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2655 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2658 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * elxsi-protos.h: New file.
2662 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2665 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2668 * elxsi.md: Likewise.
2670 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2672 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2673 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2674 match the comment for MIPS16.
2676 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2678 * flow.c (split_edge): Do not call set_block_for_insn if we
2679 do not have a basic_block_for_insn structure.
2681 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2682 and destination functions are 32bit aligned within the trampoline.
2683 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2684 (TRAMPOLINE_ALIGNMENT): Define.
2686 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2687 (set (pc) (label_ref)), verify the change creates a valid insn.
2689 * fr30.c (call_operand): Tighten and rework to match rules for
2690 call RTL expressions.
2691 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2692 * fr30.md (call patterns): Improve constraints.
2694 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2696 * fr30.c (fr30_expand_epilogue): Revert last change.
2697 Use emit_jump_insn for the return insn.
2699 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2700 Stan Cox <scox@cygnus.com>
2702 * predict.c: New file. Preliminary infrastructure work for static
2703 branch prediction and basic block reordering.
2704 * basic-block.h: Add prototype for estimate_probability.
2705 * Makefile.in: Add rules for predict.o.
2707 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2709 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2710 * fixinc/*: Likewise.
2712 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * cccp.c: PROTO -> PARAMS.
2716 * collect2.c: Likewise.
2717 * combine.c: Likewise.
2718 * convert.h: Likewise.
2720 * dbxout.c: Likewise.
2721 * dbxout.h: Likewise.
2722 * diagnostic.c: Likewise.
2723 * doprint.c: Likewise.
2724 * dwarf2out.c: Likewise.
2725 * dwarf2out.h: Likewise.
2726 * dwarfout.c: Likewise.
2727 * dwarfout.h: Likewise.
2728 * dyn-string.h: Likewise.
2730 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2732 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2733 macro conditionals guarding use.
2735 * dwarf2out.c: Include "tm_p.h".
2737 * function.c (locate_and_pad_parm): Mark parameter with
2739 (expand_function_end): Likewise for variable `context'.
2741 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2743 2000-01-13 Nick Clifton <nickc@cygnus.com>
2745 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2746 register to prevent compile time warnings.
2748 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2750 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2751 to avoid -Wtraditional warning.
2753 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * 1750a-protos.h: New file.
2757 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2760 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2763 * 1750a.md: Likewise.
2765 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * a29k-protos.h: New file.
2769 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2772 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2775 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2777 * clipper-protos.h: New file.
2779 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2782 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2785 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2787 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2789 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2791 * configure.in (--enable-new-gxx-abi): New option.
2792 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2793 * Makefile.in (GXX_ABI_FLAG): New variable.
2794 * configure: Regenerate.
2796 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2798 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2799 * tm.texi (FORCE_STRUCT_BLK): Document.
2800 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2802 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2804 * config/ns32k/ns32k.md: Revert Jan 9 change.
2806 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2807 to a mode-test, if the predicate is address_operand.
2809 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2811 * combine.c (if_then_else_cond): Be careful about what kinds
2812 of RTL expressions are passed to operand_subword.
2814 * flow.c (split_edge): If we have to insert a new jump, make
2815 sure to associate it with a basic block.
2817 * flow.c (commit_one_edge_insertion): A block with one successor
2818 can end in a JUMP_INSN that is not a simplejump.
2820 2000-01-12 Robert Lipe <robertl@sco.com>
2822 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2823 (BUILD_VA_LIST_TYPE): Define.
2824 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2827 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2829 * cccp.c (do_pragma): Add cast to (char *).
2831 2000-01-12 Richard Henderson <rth@cygnus.com>
2832 Fred Fish <fnf@be.com>
2833 Jason Merrill <jason@cygnus.com>
2835 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2836 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2837 * i386/beos-elf.h, i386/beos-pe.h: New files.
2839 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2840 * cross-make (SYSTEM_HEADER_DIR): Define using
2841 CROSS_SYSTEM_HEADER_DIR.
2843 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2844 (process_command): Use it.
2845 (main): Likewise. Kill trailing = from env vars.
2846 (build_search_list): Put it back.
2847 * collect2.c (main): Use LIBRARY_PATH_ENV.
2849 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2850 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2852 * tm.texi (Frame Layout): Document SMALL_STACK.
2853 * c-common.c (c_common_nodes_and_builtins): Check it.
2855 * system.h: Undef alloca after including glibc's <stdlib.h>,
2856 if USE_C_ALLOCA is defined.
2858 * gcc.c (set_input): New fn.
2859 (main): After all input files are compiled, reset the input file
2862 * aclocal.m4 (rindex, index): If already defined, don't attempt
2865 * ginclude/varargs.h: (__va_list__): Define ifndef.
2866 * ginclude/stdarg.h: Likewise.
2868 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2869 instead of unsigned char.
2871 * hash.h (true, false, boolean): Undef before enum.
2873 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2874 proper type of "HOST_WIDE_INT *", rather than their natural type of
2875 "unsigned HOST_WIDE_INT *".
2877 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2881 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2883 * regclass.c (choose_hard_reg_mode): Likewise.
2885 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2887 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2889 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * c-common.c: PROTO -> PARAMS.
2892 * c-common.h: Likewise.
2893 * c-decl.c: Likewise.
2894 * c-iterate.c: Likewise.
2895 * c-lang.c: Likewise.
2896 * c-lex.c: Likewise.
2897 * c-lex.h: Likewise.
2898 * c-parse.in: Likewise.
2899 * c-pragma.c: Likewise.
2900 * c-pragma.h: Likewise.
2901 * c-tree.h: Likewise.
2902 * c-typeck.c: Likewise.
2903 * objc/objc-act.c: Likewise.
2904 * objc/objc-act.h: Likewise.
2906 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2908 * m88k-protos.h: New file.
2910 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2913 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2915 * m88k.md: Likewise.
2917 * tekXD88.h: Likewise.
2919 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2921 * m68k-protos.h: New file.
2923 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2926 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2928 * mot3300.h: Likewise.
2930 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2932 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2934 (extract_bitlist): Declare bitlen.
2936 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2938 * cccp.c: Accept and ignore -lang-fortran.
2940 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2941 qualifiers don't match at any level of pointerness.
2943 2000-01-12 Robert Lipe <robertl@sco.com>
2945 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2947 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2949 * reload1.c (reload_reg_unavailable): New static variable.
2950 (reload_reg_free_p): Test it.
2951 (reload_reg_free_for_value_p): Test it instead of
2953 (choose_reload_regs_init): Compute it.
2955 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2957 * reorg.c (fill_slots_from_thread): Check modified_in_p
2960 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2962 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2963 these nodes even if INTERNALS is not set.
2965 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2967 * gcse.c (delete_null_pointer_checks_1): Cope when
2968 get_condition cannot determine the condition.
2970 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2972 * toplev.h (set_message_length): Declare.
2974 * diagnostic.c (obstack_chunk_alloc): Define macro.
2975 (obstack_chunk_free): Likewise.
2976 (struct output_buffer): New data structure.
2978 (output_maximum_width): New variable.
2979 (doing_line_wrapping, set_message_length, init_output_buffer,
2980 get_output_prefix, output_space_left, emit_output_prefix,
2981 output_newline, output_append, output_puts, dump_output,
2982 vbuild_message_string, build_message_string, build_location_prefix,
2983 voutput_notice, output_printf, line_wrapper_printf,
2984 vline_wrapper_message_with_location): New functions. Implement
2985 automatic line wrapping.
2986 (v_message_with_decl): Make it handle automatic line wrapping.
2987 (v_error_with_file_and_line): Likewise.
2988 (v_warning_with_file_and_line): Likewise.
2989 (announce_function): Likewise.
2990 (default_print_error_function): Likewise.
2992 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2994 * cpplib.h (struct cpp_options): Change lang_asm to char.
2996 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2997 done in cpp_handle_option now.
2998 (initialize_builtins): Take out special case code used only by
3000 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3001 if -traditional. Recognize -lang-fortran and set
3002 lang_fortran, also turn off cplusplus_comments.
3003 (print_help): Document -lang-fortran.
3004 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3005 lang_asm. Ignore all directives other than `# 123 "file"' if
3007 (cpp_get_token): If -traditional, don't recognize directives
3008 unless the # is in column 1.
3009 (parse_string): If lang_fortran or lang_asm, silently
3010 terminate strings ('' or "") at end of line.
3011 Remove unnecessary braces.
3013 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3014 Richard Henderson <rth@cygnus.com>
3016 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3018 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3019 strict_low_part when possible.
3021 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3023 * alias.c: PROTO -> PARAMS.
3024 * basic-block.h: Likewise.
3025 * bitmap.c: Likewise.
3026 * bitmap.h: Likewise.
3027 * builtins.c: Likewise.
3028 * c-aux-info.c: Likewise.
3029 * caller-save.c: Likewise.
3030 * calls.c: Likewise.
3032 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3034 * Makefile.in (toplev.o): Depend on regs.h.
3036 * output.h (tdesc_section): Prototype.
3038 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3040 * sdbout.c: Include "tm_p.h".
3042 * toplev.c: Include "regs.h".
3044 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3046 * unroll.c (unroll_loop): Add EH support.
3048 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * pa-protos.h: New file.
3052 * pa.c: Include recog.h and tm_p.h.
3053 (compute_zdepwi_operands, compute_movstrsi_length,
3054 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3055 find_addr_reg, import_milli): Add static prototypes.
3056 (pa_cpu_string, pa_arch_string): Constify a char*.
3057 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3058 (read_only_operand): Add argument `mode'.
3059 (singlemove_string, output_move_double, output_fp_move_double,
3060 output_block_move, output_and, output_ior, output_ascii,
3061 remove_useless_addtr_insns, milli_names, output_mul_insn,
3062 output_div_insn, output_mod_insn, output_arg_descriptor,
3063 output_cbranch, output_bb, output_bvb, output_dbra, ,
3064 output_millicode_call, output_call, hppa_encode_label,
3065 output_parallel_movb, output_parallel_addb): Constify a char*.
3066 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3067 (output_parallel_addb): Remove extra arg to `constrain_operands'
3069 * pa.h: Move all prototypes to pa-protos.h.
3070 (pa_cpu_string, pa_arch_string): Constify a char*.
3071 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3073 * pa.md: Call `function_label_operand' with mode argument.
3074 Likewise for `read_only_operand'.
3075 Fix nesting of parens in call to `symbolic_operand'.
3077 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * i860-protos.h: New file.
3081 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3084 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3086 * i860.md: Likewise.
3088 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3090 * i386.md (movstrsi expander): Rewrite.
3091 (movstrsi_1 insn): Deleted.
3092 (strmovhi, strmovqi expander): New expanders.
3093 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3094 * i386.c (x86_single_stringop): New global variable.
3095 * i386.h (x86_single_stringop): Declare.
3096 (TARGET_SINGLE_STRINGOP): New macro.
3098 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3100 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3101 integer vararg POSTINCREMENT before the destination of the jump
3102 for the hard fp case.
3103 (function_arg_pass_by_reference): Pass a copy of CUM to
3106 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3107 for CONSTANT_ADDRESS_P above while loop for subreg.
3109 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3111 * flow.c (propagate_block): When a prologue/epilogue insn
3112 is marked dead, unconditionally clear libcall_is_dead and
3113 insn_is_dead, and only dump rtl if warnings aren't being
3116 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3118 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3119 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3120 (FIXED_REGISTERS): Set dirflag as fixed.
3121 (CALL_USED_REGISTERS): Set dirflag as used.
3122 (REG_ALLOC_ORDER): Set dirflag as last one.
3123 (DIRFLAG_REG): New macro.
3124 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3125 (HI_REGISTER_NAMES): Add dirflag.
3126 (DEBUF_PRINT_REG): Handle dirflag.
3127 * i386.md (type attribute): New cld and str types.
3128 (length_opcode attribute): Set cld and str to 1.
3129 (memory attribute): Set str to unknown - it is not clear from the
3131 (pent_np function unit): Prefixed string operations takes 12 cycles
3132 minimally; cld takes 2 cycles.
3133 (ppro_uops attribute): Str is "many" and cld is "few".
3134 (ppro_p0 unit): Handle cld here.
3135 (k6_alux unit): Handle cld and str types.
3136 (k6_load unit): It is ocupied by str opcodes.
3137 (k6_store unit): It is ocupied by str opcodes.
3138 (athlon_decode): Str is vector decoded.
3139 (athlon_ieu): Handle str and cld.
3141 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3142 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3143 cmpstrsi_nz_1 insn): Do not output cld instruction
3145 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3147 * gcc.texi (G++ and GCC): Add Java and Chill.
3148 (Bug Critera): Don't list languages.
3150 * gcc.texi (Incompatibilities): No longer claim most C compilers
3153 * gcc.texi (G++ and GCC): Update other front-ends list.
3155 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3157 * i386.c (ix86_expand_setcc): Fix typo.
3158 (ix86_expand_movcc): Similarly.
3160 * Band-aid until haifa's bitset implementation is nuked.
3161 * haifa-sched.c (extract_bitlst): New parameter for size of the
3162 bitset in bits. All callers changed. Avoid looking at undefined
3164 (edgeset_bitsize): New variable.
3165 (schedule_region): Initialize edgeset_bitsize.
3167 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3169 * Makefile.in (optabs.o): Depend on real.h
3170 (resource.o): Depend on insn-attr.h
3172 * builtins.c (result_vector): Wrap prototype in macro conditions
3173 governing definition and use.
3175 * c-common.c: Include tm_p.h.
3177 * c-lex.c: Likewise.
3179 * elfos.h: Constify a char*.
3181 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3182 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3183 parameter with ATTRIBUTE_UNUSED.
3185 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3188 * haifa-sched.c (schedule_insns): Mark parameter with
3191 * optabs.c: Include real.h.
3193 * real.h (ereal_atof): Add prototype arguments.
3195 * resource.c: Include insn-attr.h.
3197 * sdbout.c (sdbout_queue_anonymous_type,
3198 sdbout_dequeue_anonymous_types): Wrap in macro
3199 SDB_ALLOW_FORWARD_REFERENCES.
3200 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3203 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3205 * stupid.c: Include tm_p.h.
3207 * tree.c (real_value_from_int_cst): Mark parameter with
3210 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3212 * i960-protos.h: New file.
3214 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3217 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3219 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3221 * combine.c (expand_field_assignment): Do not discard SUBREGs
3222 while computing nonzero_bits.
3224 2000-01-09 Nick Clifton <nickc@cygnus.com>
3226 * config/arm/arm.c: Fix compile time warnings about signed vs
3228 * config/arm/arm.h: Fix compile time warnings about signed vs
3231 2000-01-09 Philip Blundell <philb@gnu.org>
3233 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3234 than `ldm' with only one register.
3235 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3238 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3241 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3243 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3246 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3248 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3249 assignment used as truth value.
3251 * function.c (assign_temp): Mark parameter `dont_promote' with
3252 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3253 PROMOTE_FOR_CALL_ONLY.
3255 * genrecog.c (write_subroutine): Mark variable `operands' with
3258 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3261 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3262 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3264 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3267 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3269 * config/c4x.h: Tidy up comments.
3270 * config/c4x.c: Likewise.
3272 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3274 * fold-const.c (lshift_double, rshift_double): Handle
3275 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3277 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3279 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3280 in prepare_function_start().
3282 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3284 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3285 longer allocate extra stack for function calls.
3287 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3289 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3291 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3293 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3295 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3297 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3298 * aix43.h: Revert Aug 2 change.
3299 (HAS_INIT_SECTION): Define, not visible yet.
3300 (LD_INIT_SWITCH): Define, not visible yet.
3301 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3303 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3305 * collect2.c (main): Expand ld2 size further.
3306 (export_object_lst): Cast assignment to avoid warning.
3307 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3308 (scan_prog_file, COFF): Do not collect initialization or
3309 finalization functions generated for entire shared object if
3310 init/fini support present.
3312 2000-01-07 Nick Clifton <nickc@cygnus.com>
3314 * config/elfos.h: Tidy up formatting of marcos. Make sure
3315 that .section directives are always prefixed by a tab.
3317 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3320 2000-01-07 Matt Austern <austern@sgi.com>
3322 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3325 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3327 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3329 (crtbegin.o, s-crtS): Likewise.
3331 2000-01-06 Richard Henderson <rth@cygnus.com>
3333 * alpha.md (adddi_2+1): Limit offset such that it will be
3334 loadable with a single ldah+lda pair.
3335 (adddi_2+2): Explicitly fail split if we can't make it work.
3337 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3339 * protoize.c: Conditionally include unistd.h.
3340 (IS_SAME_PATH_CHAR): New macro.
3341 (IS_SAME_PATH): New macro.
3342 (CPLUS_FILE_SUFFIX): New macro.
3343 (cplus_suffix): New static variable.
3344 (is_abspath): New static function.
3345 (in_system_include_dir): Handle DOS style pathnames.
3346 (file_could_be_converted): Likewise.
3347 (file_normally_convertible): Likewise.
3348 (directory_specified_p): Likewise.
3349 (file_excluded_p): Likewise.
3350 (abspath): Likewise.
3351 (shortpath): Likewise.
3352 (referenced_file_is_newer): Likewise.
3353 (save_def_or_dec): Likewise.
3354 (do_processing): Likewise.
3356 (edit_file): Likewise. Use rename instead of link.
3357 (rename_c_file): Likewise. Don't rename syscalls file.
3358 (munge_compile_params): Define null device for DOS based systems.
3359 (process_aux_info_file): Use binary mode if appliable.
3360 (edit_file): Likewise.
3361 * invoke.texi (Running Protoize): Document C++ suffixes used.
3363 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3364 IS_DIR_SEPARATOR macros.
3365 * collect2.c: Likewise.
3366 * cppinit.c: Likewise.
3367 * dwarf2out.c: Likewise.
3370 * prefix.c: Likewise.
3372 * toplev.c: Likewise.
3373 * system.h: And move to here.
3375 * prefix.c (update_path): Fix typo in variable name.
3377 2000-01-06 Richard Henderson <rth@cygnus.com>
3379 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3380 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3381 (count_reg_sets_1, count_reg_references): Likewise.
3382 (flow_loops_level_compute): Start counting actual loop depth at 1.
3383 (flow_loops_find): Likewise.
3384 * local-alloc.c (update_equiv_regs): Likewise.
3385 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3387 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3389 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3390 FIRST_PSEUDO_REGISTER
3391 * dwarf2out.c: Don't include frame.h
3392 * dwarfout.c: Likewise
3393 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3396 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3398 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3401 * i386.c (movsf splitter): Fix typo in my last checkin.
3403 2000-01-05 Nick Clifton <nickc@cygnus.com>
3405 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3406 own definition of this macro.
3407 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3408 flag_data_sections or UNIQUE_SECTION_P are true.
3410 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3411 unitialised data decls.
3413 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3414 being called for uninitialised data.
3416 * config/i386/interix.c (i386_pe_unique_section): Cope with
3417 being called for uninitialised data.
3419 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3420 for uninitialised data.
3422 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3423 for uninitialised data.
3425 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3426 for uninitialised data.
3428 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3429 (UNIQUE_SECTION_P): Always generate a unique section if
3430 flag_data_sections is true.
3431 (UNIQUE_SECTION): Also generate unique sections for
3433 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3434 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3437 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3439 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3442 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3444 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3445 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3446 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3447 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3448 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3450 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3452 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3454 * c-decl.c (finish_enum): Simplify code to determine minimum and
3455 maximum values of the enum, and calculate the type. Remove check
3456 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3457 the DECL_INITIAL of each enumeration constant with a copy converted
3458 to the enumeration type. When updating variant types, don't bother
3459 updating the type itself.
3461 * c-typeck.c (build_binary_op): Simplify conditional expressions
3462 when weeding out spurious signed-unsigned warnings. Add new
3463 spurious warning category: if the unsigned quantity is an enum
3464 and its maximum value fits in signed_type(result_type). Update
3466 (build_conditional_expr): Warn here if one alternative is signed
3467 and the other is unsigned.
3469 2000-01-05 Nick Clifton <nickc@cygnus.com>
3471 * config/fr30/fr30.h: Remove extraneous comments.
3473 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3475 * reload1.c (choose_reload_regs): When disabling a reload, also
3476 set reload_spill_index to -1.
3478 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3480 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3482 (m68*-*-rtemself*): New target.
3483 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3484 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3485 (sparc*-*-rtemself*): New target.
3486 (sparc*-*-rtems*): Now elf not a.out.
3487 * config/i386/rtems.h: Include config/rtems.h.
3488 * config/i386/rtemself.h: Include config/rtems.h.
3489 * config/i960/rtems.h: Include config/rtems.h.
3490 * config/m68k/rtems.h: Include config/rtems.h.
3491 * config/m68k/rtemself.h: Include config/rtems.h.
3492 * config/mips/rtems64.h: Include config/rtems.h.
3493 * config/pa/rtems.h: Include config/rtems.h.
3494 * config/rs6000/rtems.h: Include config/rtems.h.
3495 * config/sh/rtems.h: Include config/rtems.h.
3496 * config/sh/rtemself.h: Include config/rtems.h.
3497 * config/sparc/rtems.h: Include config/rtems.h.
3498 * config/sparc/rtemself.h: Include config/rtems.h
3500 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3502 * final.c (shorten_branches): Correctly compute length of
3503 asms without operands.
3505 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3507 * configure.in: Add pj target.
3508 * configure: Regenerate.
3509 * config/pj: New directory.
3510 * config/pj/lib1funcs.S: New file.
3511 * config/pj/linux.h: New file.
3512 * config/pj/pj.c: New file.
3513 * config/pj/pj.md: New file.
3514 * config/pj/pjl.h: New file.
3515 * config/pj/t-pj: New file.
3516 * config/pj/xm-pj.h: New file
3518 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3520 * toplev.c (rest_of_compilation): Run shorten-branches before
3523 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3525 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3526 macros so that they're consistent with their names.
3527 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3528 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3530 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3532 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3533 modified inadvertently.
3535 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3537 * configure.in (v850*-*-rtems*): New target.
3538 * configure: Regenerate.
3539 * config/v850/rtems.h: New file.
3541 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3543 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3544 (__gthread_key_create): Likewise.
3545 (__gthread_key_dtor): Likewise.
3546 (__gthread_once): Fix logic.
3547 (__gthread_key_delete): Cast away constness.
3549 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3550 * invoke.texi: Document.
3551 * i386/mingw32.h (CPP_SPEC): Use.
3552 (LIBGCC_SPEC): Likewise.
3553 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3555 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3557 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3558 (HANDLE_PRAGMA_PACK): Undefine.
3559 (SLOW_UNALIGNED_ACCESS): Define.
3561 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3563 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3564 to default definition.
3565 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3566 (store_fixed_bit_field): Call macro with word_mode and alignment.
3567 (extract_bit_field): Call macro with relevant mode and alignment.
3568 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3569 to default definition.
3570 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3572 (move_by_pieces_ninsns): Likewise.
3573 (clear_by_pieces): Likewise.
3574 (emit_push_insn): Likewise.
3575 (store_field): Call macro with relevant mode and alignment.
3576 (expand_expr): Likewise.
3577 (expand_expr_unaligned): Likewise.
3579 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3580 (SLOW_UNALIGNED_ACCESS): Define.
3581 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3582 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3583 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3584 (toc_section): Likewise and .toc pseudo-op.
3585 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3587 (TEXT_SECTION_ASM_OP): Likewise.
3588 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3591 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3592 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3593 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3594 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3595 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3597 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3599 * regclass.c: Revert my Jan 4 change to loop cost computation.
3601 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3603 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3606 2000-01-04 Stan Cox <scox@cygnus.com>
3608 * haifa-sched.c (build_control_flow): Change unreachable simple
3609 loop test to check if current block has only one predecessor.
3610 (find_rgns): Initialize degree. Use dest as degree index, not src.
3612 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3614 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3616 * calls.c (expand_call): Likewise for
3617 `old_stack_arg_under_construction'.
3619 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3621 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3624 * gcc.c (execute): Likewise for `ut' and `st'.
3626 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3628 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3630 * jump.c (jump_optimize_1): Likewise for `temp2'.
3632 * local-alloc.c (block_alloc): Likewise for `r1'.
3634 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3636 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3637 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3639 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3642 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3643 and `goal_earlyclobber'.
3645 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3647 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3649 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3651 * unroll.c (copy_loop_body): Likewise for `copy'.
3653 * varasm.c (output_constructor): Likewise for `byte'.
3655 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3657 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3658 all FP constants for constant->reg moves.
3659 (ix86_split_to_parts): Try to convert memory address into immediate
3660 when available in the constant pool.
3661 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3663 (LEGITIMATE_CONSTANT_P): Return 1.
3664 * i386.md (pushsf): New splitter to convert constant pool memory
3665 reference to immediate.
3666 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3669 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3671 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3672 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3673 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3674 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3675 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3677 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3679 * ginclude/stdbool.h: Support compilation as C++.
3681 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3683 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3685 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3687 * regclass.c (regclass): Properly compute loop_cost. Adjust
3690 * regclass.c: Fix minor whitespace problems.
3692 2000-01-03 Anthony Green <green@cygnus.com>
3694 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3695 Restore the pic register if required.
3697 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3699 * c-common.c (format_char_info): Update comment.
3700 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3701 was recognized. Emit warning for formats new in ISO C99 only
3702 if flag_isoc9x is not set.
3704 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3706 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3708 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3710 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3711 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3712 (make_compound_operation): Choose cheaper alternative between
3713 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3715 * regclass.c (op_costs): Remove global variable.
3716 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3717 (record_operand_costs): Break out from ...
3718 (scan_one_insn): ... here.
3719 (dump_regclass): Make dumps nicer.
3720 (regclass): Dump preferrences choosed and changes done during passes.
3722 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3724 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3726 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3728 * config/sparc/sparc.c (gen_df_reg): New function.
3729 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3730 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3731 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3732 movtf_cc_reg_sp64+1): Use it.
3734 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3736 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3739 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3741 * config/i386/i386.c (ix86_expand_unary_operator): Function
3742 definition made void.
3743 (ix86_expand_binary_operator): Update outdated preceding comment.
3744 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3747 * config/i386/i386.c (override_options): Fix option-name typo.
3749 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3751 * system.h (CEIL): Define.
3752 * builtins.c (CEIL): Remove.
3753 * expmed.c (CEIL): Likewise.
3754 * expr.c (CEIL): Likewise.
3755 * stor-layout.c (CEIL): Likewise.
3757 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3759 * expr.c (store_constructor_field): Fix typo introduced with last
3762 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3764 * tree.h (BINFO_N_BASETYPES): New macro.
3766 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3768 * expmed.c (emit_store_flag): Prevent losing a pending stack
3769 adjust the same way we prevent losing queued increments.
3771 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3773 * function.c (update_temp_slot_address): Handle case where sum of
3774 temporary address plus offset in register is a valid address.
3776 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3778 * genrecog.c (change_state) Corrected typo.
3780 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3782 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3783 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3784 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3786 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3788 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3789 case, expand GT comparisons correctly. Fix a comment before this
3792 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3794 * dwarfout.c: Include "frame.h"
3795 * dwarf2out.c: Likewise.
3796 * Makefile.in (dwarfout.o): Depend on frame.h
3797 (dwarf2out.o): Likewise.
3799 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3801 Restore i386 binary compatibility in Dwarf EH info.
3802 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3803 value of FIRST_PSEUDO_REGISTER.
3804 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3805 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3806 * dwarfout.c (output_reg_number): Ditto.
3807 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3808 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3810 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3812 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3813 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3814 (<hack>_RE_CT): not needed
3815 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3816 rewritten to scan the file text once only
3817 "template<..." test added
3818 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3819 (is_cxx_header): declaration added
3820 * fixinc/fixtests.c(is_cxx_header): removed
3821 (apply_fix_p_t): removed
3822 (double_slash_test): is_cxx_header is only called once now
3823 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3824 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3825 within the templates.
3826 The borken spelling of "broken" was fixed.
3827 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3828 The default level depends on FIXINC_DEBUG.
3830 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3832 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3833 Otherwise provide a declaration for atexit.
3834 (init_dummy): Make sure dummy call to atexit is nevertheless
3835 called with correct number of args.
3837 * frame.c: Update comments referring to other files.
3839 * libgcc2.c: Likewise.
3841 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3843 * cse.c (free_element, get_element): Remove unused prototypes.
3845 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3848 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3851 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3853 * configure.in,configure: case arm for mn10200-*-* now sets
3854 float_format=i32 so that float.h will correctly claim "double"
3855 to be 32 bits. Ran autoconf to generate configure from .in file.
3857 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3859 * pa.md (conditional zero): If op1 is a register, force it into
3860 the same register as op0.
3862 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3864 * tree.h (BINFO_BASETYPES): Improve documentation.
3866 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * configure.in (--enable-checking): Use a more portable `for'
3871 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3873 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3874 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3876 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3879 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3880 Delete descriptions.
3882 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3883 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3884 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3885 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3886 xm-svr4.h: Remove all instances of sys_siglist handling.
3888 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3890 * config/sparc/sparc.md (cmp_zero_qi,
3891 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3892 cmp_zero_extendqidi2_andcc_set): New patterns.
3894 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3896 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3897 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3898 (fpgnulib.c, xfgnulib.c): Add rules.
3899 * m68k/t-mot3300-gas: Likewise.
3901 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3903 * configure.in: Avoid [[ by using test and changequote. Add
3904 changequote required by 1999-12-14 change.
3905 * configure: Rebuild.
3907 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3909 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3911 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3913 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3914 * flow.c (find_use_as_address): Likewise.
3915 * function.c (fixup_var_refs_1): Likewise.
3916 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3917 * jump.c (invert_exp, redirect_exp): Likewise.
3918 * loop.c (replace_call_address): Likewise.
3919 (count_nonfixed_reads): Likewise.
3920 * rtlanal.c (modified_between_p): Likewise.
3921 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3922 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3923 * unroll.c (remap_split_bivs): Likewise.
3925 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3927 * diagnostic.c (v_message_with_decl): Use .* format specifier
3928 instead of building the format specifier width manually.
3930 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3931 determining whether to provide a prototype. Remove the
3932 sys_siglist clause in the conditional.
3934 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3936 * fold-const.c (operand_equal_p): Use memcmp to compare string
3938 Suggested by D. J. Bernstein
3940 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3942 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3943 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3945 * config/mips/mips.h (TARGET_64BIT): Likewise.
3946 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3947 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3948 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3949 dsps. Give routines proper names if SI/DI modes are not used.
3950 * longlong.h: Use DWunion instead of DIunion.
3952 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3954 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3955 GC_CHECKING, GC_ALWAYS_COLLECT.
3956 * configure.in: Allow --enable-checking with an argument
3957 listing check modes to enable.
3958 * config.in, configure: Rebuilt.
3959 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3960 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3961 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3962 ENABLE_GC_ALWAYS_COLLECT.
3963 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3965 * tree.h, tree.c: Change ENABLE_CHECKING to
3966 ENABLE_TREE_CHECKING throughout.
3968 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3970 * fold-const.c (fold_truthop): Properly check for FP RHS.
3972 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3974 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3975 * toplev.c (note_deferral_of_defined_inline_function): New
3976 function, split out from ...
3977 (rest_of_compilation): ... here. Use it.
3979 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3981 * expr.c (store_constructor): Don't call clear_storage if size is
3984 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3986 * Makefile.in (toplev.o): Depend on loop.h.
3988 * dwarfout.c: Include tm_p.h.
3990 * emit-rtl.c (restore_emit_status): Mark parameter with
3993 * final.c (final_scan_insn): Likewise.
3995 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3996 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3997 flow_depth_first_order_compute, flow_loop_pre_header_find,
3998 flow_loop_tree_node_add, flow_loops_tree_build,
3999 flow_loop_level_compute, flow_loops_level_compute,
4000 flow_loop_outside_edge_p): Add prototypes.
4001 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4003 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4004 Mark with ATTRIBUTE_NORETURN.
4006 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4008 * local-alloc.c (no_conflict_p): Likewise.
4010 * loop.c (insert_bct): Hide definitions of variables with hidden
4012 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4014 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4015 with ATTRIBUTE_UNUSED.
4016 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4017 (reg_scan): Likewise.
4019 * reload.c (find_reloads): Remove unused variables `changed'.
4021 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4023 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4024 Remove unused variable `insn'.
4026 * toplev.c: Include loop.h.
4027 (report_file_and_line): Remove unnecessary prototype.
4029 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4031 * unroll.c (biv_total_increment): Likewise.
4033 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4035 * reload1.c (emit_input_reload_insns): Restore old behaviour
4036 wrt. 'special' reloads.
4038 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4040 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4041 hash.h. (cse.c): Don't depend on hashtab.h.
4043 * cse.c: Don't include hashtab.h.
4044 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4046 * ggc-simple.c: Don't include hash.h.
4048 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4050 * dwarf2out.c (add_abstract_origin_attribute): Call
4051 gen_abstract_function on our function context.
4053 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4055 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4057 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4059 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4062 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4064 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4065 constraints to "a!r".
4067 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4069 * Makefile.in (calls.o): Depend on function.h.
4070 (alias.o): Likewise.
4072 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4074 * reload1.c (emit_reload_insns): Break out code and variables into...
4075 (input_reload_insns, other_input_address_reload_insns,
4076 other_input_reload_insns, input_address_reload_insns,
4077 inpaddr_address_reload_insns, output_reload_insns,
4078 output_address_reload_insns, outaddr_address_reload_insns,
4079 operand_reload_insns, other_operand_reload_insns,
4080 other_output_reload_insns): ... new static variables, and...
4081 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4082 do_output_reload): ... new functions.
4084 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4086 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4088 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4090 * md.texi: Add c4x constraints documentation.
4092 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4094 * config/i386/dgux.c (struct option): Rename to
4095 lang_independent_option.
4096 (struct m_options): Add description field.
4097 (output_options): Rename option type, add sep declaration, output
4098 ix86_cpu_string and ix86_arch_string only if set.
4099 (output_file_start): Rename option type.
4101 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4103 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4105 (libgcc2.a): Similarly.
4107 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4109 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4110 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4111 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4113 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4115 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4116 Remove redundant initialization of "frexpon" and "expon".
4118 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4120 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4122 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4123 (store_constructor_field, expand_expr): Pass new arg.
4125 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4127 * Makefile.in (explow.o): Depend on function.h.
4129 * stor-layout.c (set_sizetype): Fix typo.
4131 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4133 * function.c (cfun): Renamed from current_function. All users
4135 * function.h (cfun): Rename declaration as well.
4137 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4138 to be of type regset_head, not regset. All users changed by adding
4140 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4142 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4144 * config/c4x/rtems.h: New file.
4146 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4148 * reload1.c (spill_failure): Take class of failed reload as argument
4149 and print it. Caller changed.
4151 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4153 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4154 (TARGET_SWITCHES): Allow subtargets to default switches.
4155 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4157 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4159 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4162 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4164 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4165 * cppinit.c (cpp_handle_option): Likewise.
4167 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4168 determine when to define.
4170 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4172 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4173 cmove with mismatched test and data modes.
4175 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4177 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4180 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4182 * alias.c: Minor reformatting.
4185 * stor-layout.c: Likewise.
4186 * fold-const.c: Likewise.
4187 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4188 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4190 (size_int_wide): Cache nodes even if garbage collecting.
4191 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4192 of SAVE_EXPR has no side effects.
4193 * cse.c: Move a comment.
4194 * tree.c: Minor reformatting.
4195 (int_size_in_bytes): Return -1 if constant overflows.
4197 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4199 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4201 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4203 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4204 after any change to c-parse.in, even if objc-parse.y didn't
4207 1999-12-18 David S. Miller <davem@redhat.com>
4209 * toplev.c (rest_of_compilation): Restore BLOCK tree
4210 reconstruction and branch shortening changes lost in
4211 December 18th change.
4213 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4215 * config/arm/linux-elf.h: Change all instances of
4216 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4217 * config/arm/uclinux-elf.h: Likewise.
4219 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4221 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4222 v_message_with_decl, file_and_line_for_asm,
4223 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4224 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4225 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4226 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4227 pfatal_with_name, fatal_io_error, need_error_newline,
4228 last_error_function, last_error_tick, announce_function,
4229 default_print_error_function, print_error_function,
4230 report_error_function, fnotice, error_with_file_and_line,
4231 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4232 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4233 warning_with_decl, warning_for_asm, warning, pedwarn,
4234 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4236 (compile_file): Use fnotice instead of notice. Adjust call.
4238 * diagnostic.c: New file.
4240 * Makefile.in (OBJS): Include diagnostic.o
4241 (diagnostic.o): Define dependence.
4243 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4245 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4248 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4250 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4252 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4254 * fixtests.c (is_cxx_header): New fn, split out of
4256 (else_endif_label): Allow "#endif // comment" in C++ headers,
4257 as determined by is_cxx_header.
4258 * fixfixes.c (else_endif_label_fix): Update comment.
4259 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4261 * genfixes: Correct double thinko in commandline parsing.
4262 * hackshell.tpl: Generate correct sh syntax for bypass
4265 * inclhack.def (all): Whenever an inserted preprocessor
4266 conditional is split over multiple lines, use double
4267 backslashes in this file so the fixed header will be readable.
4269 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4270 and add bypass entry for correct version of this header.
4271 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4272 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4274 (hpux8_bogus_inlines): New fix, split from...
4275 (ultrix_atof_param) ... here.
4276 (math_expression): Add bypass entry keyed to glibc comment
4277 indicating the problem has been dealt with; disable
4278 unnecessary sed operations; update commentary.
4279 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4280 add select and bypass entries, simplify shell operation.
4281 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4283 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4284 ultrix_atof_param): Add select entry.
4285 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4286 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4287 comments with the fixes they describe.
4289 * c-parse.in (string action): Do not warn about ANSI string
4290 concatenation in system headers. Affects C parser only.
4291 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4293 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4295 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4296 compiling libgcc2 the macro depends always on arch cpp defines.
4298 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4300 * loop.c (insert_loop_mem): Don't record MEMs from inside
4303 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4305 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4307 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4308 notes too, create one when replacement failed, attempt to simplify
4310 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4313 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4315 * crtstuff.c (__dso_handle): Declare.
4316 (__cxa_finalize): Likewise.
4317 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4320 * invoke.texi: Document -fuse-cxa-atexit.
4322 * tree.h (ptr_type_node): Document.
4323 (const_ptr_type_node): Likewise.
4325 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4327 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4328 (optimize_reg_copy_2): Likewise.
4329 (optimize_reg_copy_3): Likewise.
4330 (fixup_match_2): Likewise.
4331 (regmove_optimize): Likewise.
4332 (fixup_match_1): Liekwise.
4334 * i386.md (HI to SImode promoting splitters): Rewrite.
4335 (pushsf mem peep2): New.
4336 (testhi to andhi peep2): Remove.
4337 * i386.h (x86_promote_QImode): New.
4338 (TARGET_PROMOTE_QImode): New.
4339 (PREDICATE_CODES): Add promotable_binary_operator.
4340 * i386.c (x86_promote_QImode0: New.
4341 (promotable_binary_operator): New.
4342 * i386-protos.h (promotable_binary_operator): New.
4344 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4346 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4348 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4350 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4351 * function.c (insert_block_after_note): Remove.
4352 (retrofit_block): Likewise.
4353 (identify_blocks): Fix indentation.
4354 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4355 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4356 * function.h (insert_block_after_note): Remove prototype.
4357 (retrofit_block): Likewise.
4358 * integrate.c (expand_inline_function): Don't call
4359 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4360 just expand_start_bindings. Use the block_map to remap old
4361 NOTE_BLOCKs to new ones.
4362 (integrate_decl_tree): Keep track of remapped blocks.
4363 * integrate.h (struct inline_remap): Add block_map.
4364 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4365 NOTE_BLOCK on the notes.
4366 (expand_start_bindings): Rename to ...
4367 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4368 (expand_end_bindings): Set NOTE_BLOCK.
4369 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4370 reconstruct the BLOCK tree.
4371 * tree.h (expand_start_bindings): Macroize. Call ...
4372 (expand_start_bindings_and_block): New function.
4374 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4376 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4377 to match the format.
4379 1999-12-16 David S. Miller <davem@redhat.com>
4381 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4382 the outputs is a SUBREG.
4383 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4386 * config/sparc/sparc.c (epilogue_renumber): Add default case
4389 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4391 * toplev.c (rest_of_compilation): Run branch shortening after
4394 * regclass.c (loop_depth): Remove
4395 (scan_one_insn): Do not handle LOOP_NOTE insns.
4396 (regclass): Go through basic blocks and set loop_cost
4398 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4400 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4402 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4404 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4405 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4406 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4408 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4410 * loop.c (insert_loop_mem): Ignore memory clobbers.
4412 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4415 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4417 * profile.c: Remove redundant #include "output.h".
4419 * h8300.md (HImode preinc peephole): Fix typo.
4421 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4423 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4424 (insert_block_after_note): Abort if we don't have a previous block.
4425 Remove FN parameter.
4426 * function.h: Adjust.
4428 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4430 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4431 argument more than once.
4433 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4435 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4437 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4439 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4441 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4443 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4444 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4445 update stack_alignment_needed.
4446 (prepare_function_start): Initialize stack_alignment_needed
4447 * function.h (struct function): Add field stack_alignment_needed.
4449 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4451 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4452 Handle live_throughout / dead_or_set instead of live_before /
4454 (save_call_clobbered_regs): Get register livenessinformation from
4455 chain->live_throughout.
4456 (add_stored_regs): New function.
4457 (insert_restore, insert_save): Add restored / saved registers to
4459 * global.c (reg_dies): New parameter chain.
4460 (reg_becomes_live): Third parameter is regs_set now.
4461 Changed all callers.
4462 (reg_dies): New parameter chain. Changed all callers.
4463 (build_insn_chain): Set live_throughout instead of
4464 live_before / live_after.
4465 * reload.h (struct insn_chain): Replace members live_before /
4466 live_after with live_throughout / dead_or_set.
4467 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4468 instead of live_before / live_after.
4469 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4470 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4471 (choose_reload_regs_init): Likewise.
4472 * stupid.c (current_chain, find_clobbered_regs): Delete.
4473 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4474 instead of chain->live_before / chain->live_after.
4475 (mark_hard_ref): New function.
4476 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4478 1999-12-15 David S. Miller <davem@redhat.com>
4480 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4482 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4484 * flow.c (calculate_loop_depth): Make global, remove prototype,
4485 rewrite to use new loop infrastructure.
4486 (find_basic_block): Remove calculate_loop_depth call.
4487 * toplev.c (rest_of_compilation): Call find_basic_block.
4488 * output.h (calculate_loop_depth): Declare.
4490 * flow.c (dump_flow_info): Dump loop_depth.
4491 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4493 (flow_loops_find): Initialize the loop_depth for each basic block.
4495 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4497 * tree.c (decl_function_context): Handle virtual functions.
4499 * tlink.c (scan_linker_output): Don't look in demangled name when
4500 looking for linker output keywords.
4502 * dwarfout.c (output_type): We can defer namespace-scope classes.
4504 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4506 * regclass.c (record_reg_classes): Update comment for merging
4507 register class preferences in reg->reg copies. Tighten conditions
4508 for merging register class preferences in reg->reg copies.
4510 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4512 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4514 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4516 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4517 (INIT_SECTION_ASM_OP): Delete.
4518 (FINI_SECTION_ASM_OP): Delete.
4519 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4521 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4523 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4524 the abstract origin wasn't emitted.
4526 * dwarf2out.c (class_scope_p): New fn.
4527 (gen_subprogram_die): Use it.
4528 (gen_variable_die): Use it. Tweak logic.
4529 (gen_struct_or_union_type_die): Check context_die to determine
4530 if we're function-local.
4531 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4533 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4535 * loop.c (check_dbra_loop): Can't reverse a biv that has
4538 1999-12-14 Nick Clifton <nickc@cygnus.com>
4540 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4543 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4545 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4546 for givs made from biv increments.
4548 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4550 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4551 * alpha.c (override_options): Recognize -mcpu=ev67.
4552 * alpha.h (CPP_CPU_EV67_SPEC): New.
4553 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4554 (EXTRA_SPECS): Update.
4556 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4558 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4559 appropriate for -lang-c89 and -std=*.
4560 * cppinit.c (cpp_handle_option): Likewise.
4561 (new_pending_define): New, split out from cpp_handle_option.
4562 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4563 or enable trigraphs for -ansi/-std=*.
4565 * ginclude/stdarg.h (__va_copy): New.
4566 (va_copy): Don't define for C89.
4568 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4570 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4571 for long long multiply-accumulate.
4573 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4575 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4576 optimizing for size.
4578 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4580 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4581 if something changed. Back out that part of yesterday's changes.
4583 * loop.c (loop_max_reg): New static variable.
4584 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4586 (scan_loop): Call reg_scan_update whenever we may have added new
4587 registers, and update loop_max_reg.
4589 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4591 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4592 when source does not die.
4594 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4596 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4598 * config/sparc/linux64.h (TARGET_LIVE_G0,
4599 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4601 * config/sparc/linux.h (TARGET_LIVE_G0,
4602 TARGET_BROKEN_SAVERESTORE): Likewise.
4603 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4604 TARGET_BROKEN_SAVERESTORE): Likewise.
4606 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4607 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4609 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4610 as sparc64 block profiling register.
4611 * config/sparc/sparc.c (sparc_override_options): Allow block
4612 profiling with -m32.
4613 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4615 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4616 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4617 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4619 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4621 * config/sparc/sparc.h: Likewise.
4622 * config/sparc/xm-sysv4-64.h: Likewise.
4623 * config/float-sparc.h: Likewise.
4624 * glimits.h: Likewise.
4625 * longlong.h: Likewise.
4627 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4628 (ASM_IDENTIFY_GCC): Remove.
4630 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4632 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4633 (simplify_logical): Likewise.
4635 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4637 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4638 * cppfiles.c (INO_T_EQ): Likewise.
4640 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4642 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4643 * i386/mingw32.h (LIB_SPEC): Likewise.
4644 (STARTFILE_SPEC): Likewise.
4645 * i386/uwin.h (LIB_SPEC): Likewise.
4646 (STARTFILE_SPEC): Likewise.
4648 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4649 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4651 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4653 * combine.c (combine_simplify_rtx): Fix order of checks for
4654 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4656 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4658 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4659 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4661 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4663 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4665 * regclass.c (inv_reg_alloc_order): New array.
4666 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4668 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4669 counted_for_groups, counted_for_nongroups. Add fields rld and
4671 * reload.c (push_secondary_reload): Don't set nongroup field of
4673 (push_reload): Likewise.
4674 (find_reloads): Delete code to compute nongroup fields.
4675 * reload1.c (reload_insn_firstobj): New static variable.
4676 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4678 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4679 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4680 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4682 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4684 (struct hard_reg_n_uses): Deleted.
4685 (potential_reload_regs): Deleted.
4686 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4687 (reload): Don't try to allocate reload registers if we already know
4688 we have to make another pass. Call select_reload_regs. Free memory
4689 starting with reload_firstobj when starting another pass.
4690 Don't allocate spilled_pseudos.
4691 (calculate_needs_all_insns): Call copy_reloads for an insn that
4692 needs reloads; don't call calculate_needs.
4693 (spill_cost): New static array.
4694 (used_spill_regs_local): New static variable.
4695 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4696 to compute potential_reload_regs.
4697 (find_reload_regs): Completely rewritten to use find_reg.
4698 (allocate_reload_reg): Don't test counted_for_groups or
4699 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4701 (choose_reload_regs): Add fallback code that uses the existing
4702 register allocation from find_reload_regs.
4704 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4706 * flow.c (create_edge_list): Cast xmalloc return value.
4708 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4710 * doprnt.c: Remove incorrect comment closure.
4712 * cse.c: Fix a few minor whitespace goofs.
4714 1999-12-13 Don Bowman <don@pixstream.com>
4716 * mips/vxworks.h: Fix problem with comment termination.
4717 (EXTRA_SECTIONS): Add in_sbss.
4718 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4720 1999-12-12 David S. Miller <davem@redhat.com>
4722 * cse.c (struct cse_reg_info): Add hash_next member,
4723 reorder rest of struct for better packing on 64-bit
4725 (cse_reg_info_tree): Kill.
4726 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4727 REGHASH_FN): New custom pow2 hash mechanism.
4729 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4730 use a pow2 hash table.
4731 (get_cse_reg_info): Rework to use new REGHASH.
4732 (new_basic_block): Likewise, use HASH_SIZE, and inline
4734 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4735 and inline free_element call.
4736 (lookup_as_function, insert, flush_hash_table, invalidate,
4737 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4738 invalidate_for_call, use_related_value, find_comparison_args,
4739 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4740 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4743 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4745 * cse.c (cse_basic_block): Free qty_table consistently.
4747 1999-12-12 David S. Miller <davem@redhat.com>
4748 Jakub Jelinek <jakub@redhat.com>
4750 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4751 SUBREGs by hand, gen the appropriate hard reg directly.
4752 (movtf reg/mem split): Likewise and alter_subreg on destination
4754 (movtf mem/reg split): Similarly.
4755 (movdf_cc_sp64): Rename from hidden pattern.
4756 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4757 (movtf_cc_sp64, following split): New pattern and splitter.
4758 (movdf_cc_reg_sp64): Rename from hidden pattern.
4759 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4761 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4763 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4765 * loop.c (load_mems): Don't hoist written floating point mem
4768 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4770 * except.h (struct eh_queue): Add `next' pointer.
4771 (struct eh_status): Make x_ehqueue a pointer.
4772 (push_ehqueue): Declare.
4773 (pop_ehqueue): Likewise.
4774 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4776 (expand_fixup_region_end): Likewise.
4777 (expand_leftover_cleanups): Likewise.
4778 (push_ehqueue): Define.
4779 (pop_ehqueue): Likewise.
4780 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4781 than doing it inline.
4782 (expand_start_all_catch): Adjust now that ehqueue is a
4784 (mark_eh_queue): Mark all level of the queue.
4785 (mark_eh_status): Adjust now that ehqueue is a
4787 (init_eh_for_function): Allocate ehqueue.
4788 (free_eh_status): Free it.
4789 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4790 expansion for a fixup.
4792 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4794 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4796 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4797 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4798 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4799 function_ptr, getpagesize, __enable_execute_stack,
4800 __enable_execute_stack, __clear_insn_cache,
4801 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4802 _cleanup, _exit, __default_terminate, __terminate_func,
4803 __terminate, __empty, __throw, new_eh_context,
4804 eh_context_initialize, eh_context_static, eh_context_specific,
4805 get_eh_context, __get_eh_context, __get_eh_info,
4806 init_reg_size_table, eh_threads_initialize,
4807 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4808 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4809 __pure_virtual): Add prototype arguments.
4810 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4811 Cast a signed value to unsigned long when comparing against one.
4812 (new_eh_context): Wrap in _GTHREADS macro.
4813 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4815 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4816 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4818 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4820 * combine.c (record_promoted_value): Remove unused variable
4823 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4825 * global.c (record_conflicts): Likewise for `j'.
4827 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4830 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4832 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4833 output_fp_compare): Constify a char*.
4835 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4837 (override_options, ix86_comp_type_attributes, print_operand,
4838 output_387_binary_op, output_fix_trunc, output_fp_compare):
4840 (ix86_sched_reorder): Mark parameter `clock_var' with
4843 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4845 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4847 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4848 operand, for use in the Java front-end.
4850 1999-12-10 Ben Collins <bcollins@debian.org>
4852 * configure.in: Fix typo for "-64" in 64bit as check.
4853 * configure: Rebuilt.
4855 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4857 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4860 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4862 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4863 concatenation is utilized.
4865 * invoke.texi (-Wtraditional): Document it.
4867 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4869 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4870 Cast a ptrdiff_t to long and pass it to printf with %ld.
4872 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4874 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4875 68881, we have no 68881 registers at all.
4876 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4877 value in a 68881 register if it is available.
4879 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4881 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4882 for long long multiply-accumulate.
4884 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4886 * loop.c (insert_loop_mem): Undo last change.
4888 1999-12-10 David S. Miller <davem@redhat.com>
4890 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4892 * config/sparc/sparc-protos.h: Add them.
4893 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4894 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4895 constraints which use those helpers.
4896 (EXTRA_CONSTRAINT): Use this new macro.
4897 * md.texi: Update sparc target constraints documentation.
4898 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4899 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4900 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4901 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4902 (movsf high/lo_sum split): Rework for new patterns.
4903 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4905 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4907 * c-common.c (c_common_nodes_and_builtins):
4908 Create __builtin_ptrdiff_t and __builtin_size_t.
4910 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4912 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4914 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4916 * regclass.c (globalize_reg): Re-instate test that allows
4917 fixed registers to be declared as a variable even after functions
4920 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4922 * i386.md (cpu attribute): Add "athlon".
4923 (athlon_decode): New attribute.
4924 (Athlon scheduling units definitions): New.
4925 (fcmp and shld patterns): Set athlon_decode to "vector".
4926 * i386.c (athlon_cost): New.
4928 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4929 x86_use_sahf): Set for Athlon.
4930 (x86_use_fiop): Unset for Athlon.
4931 (override_options): Define Athlon alignments and "athlon" name.
4932 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4933 * i386.h (TARGET_ATHLON): New.
4934 (enum processor_type): Add PROCESSOR_ATHLON.
4935 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4937 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4939 1999-12-09 Andreas Jaeger <aj@suse.de>
4941 * loop.c (record_biv): Declare parameter as int.
4943 * config/i386/i386-protos.h: Declare long_memory_operand.
4945 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4947 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4948 EXPR_WITH_FILE_LOCATION.
4950 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4952 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4955 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4957 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4960 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4962 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4963 default on linux64 again.
4964 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4965 models for multilibing.
4966 * genmultilib: Accept | as alternative separator within a set in
4969 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4971 * calls.c (precompute_arguments): Make sure initial_value contains
4972 value pseudo which CSE expects.
4973 * cse.c (struct set): New entry orig_src.
4974 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4977 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4979 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4981 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4983 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4985 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4987 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4988 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4990 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4993 * longlong.h: Merge in changes from glibc.
4994 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4995 -mno-app-regs libgcc can be compiled.
4996 * libgcc2.c: Add defines so that the updated longlong.h
4997 can be used in libgcc2.a. Also, make sure on most architectures
4998 (at least on all which have optimized code in longlong.h defined
4999 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5001 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5003 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5004 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5005 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5007 * configure: Rebuilt.
5009 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5011 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5012 outputs require a register.
5014 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5016 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5017 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5018 functions like dptoul will be resolved.
5019 (libgcc2.a): Make sure that the object files from DPBIT are named
5020 differently (prefix `_dp') from those that would be coming from
5023 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5025 * configure.in: When target is sparc* and tm_file contains 64,
5026 test for 64bit support in assembler. If not supported, remove
5027 sparc/t-sol2-64 from target-dependent Makefile fragments.
5028 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5029 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5030 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5031 * acconfig.h (AS_SPARC64_FLAG): Added.
5032 * configure, config.in: Rebuilt.
5033 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5034 support. Use AS_SPARC64_FLAG.
5036 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5038 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5039 suitable for holding OFmode values so that gcc works with complex
5041 (hard_64bit_mode_classes): Likewise.
5043 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5044 so that it is actually matched.
5045 (sethi_di_medlow): Likewise.
5047 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5048 as legitimate constant if -mvis.
5049 * config/sparc/sparc.md (movtf): Likewise.
5050 (clear_sf): Use const_double_operand.
5051 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5053 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5054 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5055 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5056 routines, _Qp_* cannot be handled like that now.
5057 (INIT_TARGET_OPTABS): Likewise.
5058 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5059 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5060 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5061 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5062 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5063 divtf3, sqrttf3): New expanders.
5064 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5065 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5066 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5069 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5070 * configure: Rebuilt.
5071 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5072 -mcpu is given and we're doing 64bit compiles.
5074 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5076 * loop.h (struct induction): Add multi_insn_incr.
5077 * loop.c (basic_induction_var): New multi_insn_incr argument.
5078 Set it if we search back through previous insns for the biv.
5079 (record_biv): New multi_insn_incr argument; fill in struct induction.
5080 (strength_reduce): Discard an iv with multiple bivs, any of
5081 which require multiple insns to increment.
5083 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5085 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5088 1999-12-06 David S. Miller <davem@redhat.com>
5090 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5091 PROMOTE_FUNCTION_RETURN.
5093 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5095 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5096 and handle REG_UNUSED note on insn.
5098 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5099 inner_mask instead of mask.
5101 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5103 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5104 zero if there was an error.
5106 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5108 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5111 * longlong.h: Fix clobbers in SPARC asm statements.
5113 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5114 valid sethi operations when TARGET_ARCH64.
5116 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5117 always use move_by_pieces to avoid infinite recursion.
5118 (restore_fixed_argument_area): Likewise.
5120 * combine.c (check_promoted_subreg, record_promoted_value): New
5122 (combine_instructions): Use them to retain nonzero and sign bit
5123 information after SUBREGs are eliminated by optimizations in
5124 this pass if PROMOTE_FUNCTION_RETURN.
5126 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5127 .register declaration. Don't use variables with __ prefixes.
5129 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5131 * fold-const.c (optimize_bit_field_compare): Only use one mode
5132 for both RHS and LHS in non-constant case.
5134 1999-12-06 Nathan Sidwell <nathan@acm.org>
5136 * frame.c (start_fde_sort): Only allocate erratic array, if
5137 linear one was allocated. Return allocated flag.
5138 (fde_insert): Only insert, if there's a valid array.
5139 (fde_end_sort): Split, sort and merge if linear and erratic
5140 arrays exist, else just sort linear one.
5141 (search_fdes): New function. Linear search through original fde
5143 (frame_init): Permit multiple initializations. Cope with
5145 (find_fde): Fallback on linear search, if failed to sort array.
5146 (__deregister_frame_info): Only free sorted array, if we
5149 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5151 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5153 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5155 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5157 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5159 * tree.h (special_function_p): Declare.
5160 * calls.c (special_function_p): Make it global. Don't take `name'
5161 as a parameter. Fix typo in 1999-11-28 change.
5162 (expand_cal): Adjust.
5164 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5166 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5167 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5168 EXPR_WFL_FILENAME_NODE.
5169 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5171 * print-tree.c (print_note): Print TREE_PRIVATE and
5174 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5175 the original die cannot be found.
5177 * varray.h (varray_head_tag): Add elements_used.
5178 (VARRAY_PUSH): New macro.
5179 (VARRAY_POP): Likewise.
5180 (VARRAY_TOP): Likewise.
5181 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5183 * varray.c (varray_init): Initialize elements_used.
5184 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5185 (INTEGRATE_H): New variable.
5186 (integrate.o): Depend on INTEGRATE_H.
5187 (unroll.o): Likewise.
5189 * function.h (insert_block_after_note): Declare.
5190 * function.c (insert_block_after_note): Split out from ...
5191 (retrofit_block): ... here.
5193 * stmt.c (expand_fixup): Fix typo in comment.
5195 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5197 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5198 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5199 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5200 (regmove_optimize, fixup_match_1): Likewise.
5202 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5204 * flow.c (flow_loops_dump): Add missing argument when calling
5207 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5208 Greg McGary <gkm@gnu.org>
5210 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5211 (init_attributes): Add A_NO_LIMIT_STACK.
5212 (decl_attributes): Handle A_NO_LIMIT_STACK.
5213 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5214 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5215 Handle stack bounds checking.
5216 * flags.h (flag_stack_check): Use the word 'probe' rather than
5217 'check', because the flag doesn't actually cause any checking to
5219 * function.c (expand_function_start): Set
5220 current_function_limit_stack.
5221 * function.h (struct function): Add limit_stack.
5222 (current_function_limit_stack): Define.
5223 * invoke.texi (Code Gen Options): Document new options.
5224 * rtl.h: Declare stack_limit_rtx.
5225 * toplev.c (stack_limit_rtx): New variable.
5226 (decode_f_option): Handle new options -fstack-limit-register=REG,
5227 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5228 (main): Add stack_limit_rtx as GC root.
5229 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5230 (struct tree_decl): New member no_limit_stack.
5232 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5234 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5235 (conditional_trap+1): Get new mnemonic correct.
5236 (conditional_trap+2): New pattern for DImode traps.
5238 * config/m68k/m68k.c (output_function_prologue): Handle
5240 * config/m68k/m68k.md (trap): New insn.
5241 (conditional_trap): New insn.
5242 * md.texi (Standard Names): Document `trap' and
5244 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5245 so a cc0 setter doesn't get emitted at some random place in the
5248 * config/i960/i960.md (trap): New insn.
5249 (conditional_trap): New expander.
5250 (conditional_trap+1, conditional_trap+2): New insns for signed
5252 * config/i960/i960.c (i960_function_prologue): Use
5253 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5255 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5256 Geoffrey Keating <geoffk@cygnus.com>
5258 * flags.h (warn_padded, warn_packed): Add global var decls.
5259 * toplev.c (warn_padded, warn_packed): Add global var defns.
5260 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5261 * stor-layout.c (layout_record): Add local variable `type'
5262 to hold often-used TREE_TYPE (field). Add local variable
5263 `unpacked_align' to hold alignment that would be in force
5264 if no `packed' attribute were present. Warn if `packed' attribute
5265 is unnecessary, or even harmful. Warn when gcc inserts padding
5266 to satisfy alignment requirements of members. Use NULL_TREE
5267 when checking whether var_size is set.
5268 * invoke.texi: Document new flags.
5270 1999-12-03 Nathan Sidwell <nathan@acm.org>
5272 * frame.c (fde_split): Reimplement to avoid variable sized array.
5274 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5276 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5277 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5279 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5281 * invoke.texi: Document the mips option -mno-crt0
5283 1999-12-02 Mike Karr <mkarr@mathworks.com>
5285 * cccp.c (argdata): Added free_ptr member.
5286 (macroexpand): Initialize free_ptr of each argument. When an
5287 argument's buffers are freed, if the argument's free_ptr corresponds
5288 to a buffer on the input stack, then return the free_ptr to that stack
5289 frame, otherwise, free it.
5290 (macarg): If an argument begins and ends on the same input stack level,
5291 then transfer the free_ptr of that buffer to the argument in case
5292 the stack is popped during the processing of a subsequent argument.
5294 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5296 * loop.c (note_reg_stored): New function.
5297 (struct note_reg_stored_arg): New structure.
5298 (try_copy_prop): Change to be more conservative; only replace within
5299 one extended basic block and stop replacing if a store to the
5300 replacement reg is seen.
5302 1999-12-02 Nick Clifton <nickc@cygnus.com>
5304 * config/fp-bit.c: Initialise all fields of the NAN
5307 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5310 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5312 * i386.md (extend?f?f2): Force the input into a register, not
5315 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5317 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5319 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5320 alternative because setting up 64bit constant is usually costly,
5321 especially when reload is in progress or completed.
5322 (movdf_const_intreg_sp64): Likewise.
5323 (movdf_const_intreg split): Fix building up constants when
5324 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5326 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5328 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5329 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5332 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5333 (asm_file_start): Emit .am33 into assembly file when compiling for
5335 (print_operand_address): Handle POST_INC addresses.
5336 (can_use_return_insn, initial_offset): Check AM33 registers too.
5337 (expand_prologue): Check & save AM33 registers too.
5338 (expand_epilogue): Similarly.
5339 (secondary_reload_class): Handle AM33 specific secondary reloads.
5340 (output_tst): Emit efficient code for the AM33 too.
5341 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5342 (TARGET_SWITCHES): Add -mam33 switch.
5343 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5344 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5345 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5346 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5347 (enum reg_class, REG_CLASS_NAMES): Likewise.
5348 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5349 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5350 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5351 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5352 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5353 (HAVE_POST_INCREMENT): Define.
5354 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5355 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5356 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5357 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5358 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5359 (zero_extend to SI from QI/HI): Likewise.
5360 (sign_extend to SI from QI/HI): Likewise.
5361 (mulsidi3, umulsidi3): New patterns for the AM33.
5362 (tstsi with zero extension from QI/HI): Add AM33 variants.
5363 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5364 (return_internal_regs, store_movm): Handle new AM33 registers.
5365 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5366 (LIBGCC, INSTALL_LIBGCC): Likewise.
5367 * invoke.texi: Document new flags.
5369 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5371 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5372 (addsi3_carry): Likewise.
5373 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5374 (sbbsi3_carry): Likewise.
5375 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5377 (test?i_1): Ensure that only one operand is memory.
5378 (conditional move patterns): likewise.
5379 (shift and rotate patterns): Rewrite to expander, add
5380 "binary_operator_ok" to the condition.
5382 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5383 * i386.h (procesor_costs): Add movzbl_load field.
5384 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5385 non-Q registers, accept DImode registers anywhere.
5387 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5388 * i386.c (*_cost): Set value for movxbl_load field.
5390 * (addsi): New add to lea splitter.
5392 (lea to add/shift peep2): New.
5394 1999-12-01 Mark Salter <msalter@cygnus.com>
5396 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5397 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5398 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5400 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5402 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5403 * i386.md (movsi_xor): New.
5405 (movsi_1, movhi_1, movqi_1): Remove.
5406 (movsi_2): Rename to movsi_1.
5407 (movhi_2): Rename to movhi_1.
5408 (movqi_2): Rename to movqi_1.
5409 (movdi_1): Remove; remove splitter.
5410 (movdi_2): Rename to movdi_1.
5411 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5412 (long move peep2): Do not create QI or HI mode mov0s
5413 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5415 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5418 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5419 (abs?f2_if): Likewise.
5421 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5423 * ggc.h (ggc_test_and_set_mark): New macro.
5424 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5425 (ggc_mark_tree): Likewise.
5426 (ggc_mark_rtvec): Likewise.
5427 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5429 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5431 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5433 (decl_scope_table): Just an array of trees now.
5434 (push_decl_scope): Simplify.
5435 (dwarf2out_init): Adjust.
5436 (local_scope_p): New fn.
5437 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5438 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5439 (gen_typedef_die): Likewise.
5440 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5441 (gen_inlined_subroutine_die): Likewise.
5442 (gen_abstract_function): Set current_function_decl temporarily.
5443 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5444 Handle block extern declarations. Don't call push/pop_decl_scope.
5445 (gen_decl_die): Fix logic for block externs.
5447 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5449 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5450 to the list of functions which have attribute malloc by default.
5452 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5454 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5455 integer constant does not match the traditional type, limit the
5456 warnings to cases where the base of the type is ten.
5458 * invoke.texi (-Wtraditional): Document it.
5460 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5462 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5463 * rs6000.md: Only access a CONST_INT with INTVAL
5465 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5467 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5468 (compute_nearerout): Likewise.
5469 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5470 size_t to unsigned long for formatting.
5472 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5474 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5475 Allow the user to override call-used/fixed state of %g2-5
5476 registers from the command line (with the exception of %g4 for
5478 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5479 there is a higher chance of having a leaf function.
5480 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5481 for ARCH64 which has %ccr register.
5482 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5484 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5485 insn accept into delay slot any insn which does not use %[ol]
5486 registers. Accept some LO_SUM and shift left by 1 for the normal
5488 (output_function_epilogue): Likewise.
5489 (epilogue_renumber): Added argument which inhibits any renumbering
5490 and just tests if the rtx does not use any %[ol] registers.
5491 (output_return): Reflect above change.
5493 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5495 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5496 aggregate passing for sizes <= 16 bytes.
5498 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5500 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5501 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5502 * reload.c (find_dummy_reload): Likewise.
5503 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5504 * reload1.c (reload_as_needed): Likewise.
5505 * stupid.c (stupid_find_reg): Likewise.
5506 * tm.texi (Obsolete Register Macros): Delete section.
5507 * gmicro.h: Remove all traces of the two macros.
5512 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5514 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5515 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5516 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5517 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5518 units for the sparclite86x chip.
5519 (flush): Revert October 14th change; add SImode specifically.
5520 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5521 * invoke.texi: Document it.
5523 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5525 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5526 psimode_truncation_operand.
5528 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5529 function. Return true if the operand is either a MEM valid
5530 for a PSImode address or not a MEM at all.
5532 * config/mn10200/mn10200.md (truncsipsi2): Use
5533 psimode_truncation_operand.
5535 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5537 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5538 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5539 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5540 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5541 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5542 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5543 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5544 * basic-block.h: Protect from multiple inclusion.
5545 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5546 (struct loops, struct loop): Define structures.
5547 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5548 * sbitmap.h: Protect from multiple inclusion.
5549 (sbitmap_a_subset_b_p): Add prototype.
5550 * Makefile.in (LOOP_H): New macro.
5551 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5553 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5555 * cppinit.c (CAT): The argument list of this macro may not contain
5558 1999-11-29 David S. Miller <davem@redhat.com>
5560 Move quantity tables and register equivalence chains into
5561 per-qty and per-register structure arrays respectively.
5562 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5563 qty_const_insn, qty_comparison_code, qty_comparison_const,
5564 qty_comparison_qty): Delete, replace with...
5565 (qty_table): this structure table.
5566 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5567 (reg_eqv_table): this structure table.
5568 (make_new_qty): Add argument MODE. Caller updated.
5569 Update to use qty_table and reg_eqv_table.
5570 (make_regs_eqv, delete_reg_equiv, insert_regs,
5571 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5572 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5573 cse_process_notes, cse_main, cse_basic_block): Likewise.
5575 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5577 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5578 operation if C is negative.
5579 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5580 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5581 law for some divisions if constant is negative and change other
5582 divisions to the opposite rounding.
5584 * expr.c (store_constructor_field): If bit position is not multiple
5585 of alignment of TARGET's mode, use BLKmode.
5587 * expr.c (expand_expr_unaligned): Add more code from full case
5588 that is needed when OP0 is in a register.
5590 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5592 * dwarfout.c (field_byte_offset): Size can be zero if there was
5595 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5597 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5598 (associate_trees): Delete unused var TEM.
5599 (extract_muldiv): Delete unused var CANCEL_P.
5601 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5602 (target_isinf, target_isnan, target_negative): Add return types to
5603 function definitions.
5605 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5607 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5608 * fixinc/hackshell.tpl: ditto
5609 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5610 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5612 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5614 * reload.c (push_reload): When looking for a register to put into
5615 reg_rtx, make sure all hard regs in a multi-reg register are in the
5616 right class and nonfixed.
5618 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5619 pending_read_insns, pending_write_insns, pending_read_mems,
5620 pending_write_mems, pending_list_length, last_pending_memory_flush,
5621 last_function_call, sched_before_next_call): Move static variables
5623 (bb_ prefixed versions): Replace with single array bb_deps.
5624 (struct deps): New structure.
5625 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5626 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5627 argument of type "struct deps *"; use that instead of global
5628 variables. All callers changed.
5629 (init_rgn_data_dependencies): Delete function.
5630 (init_rtx_vector): Delete function.
5631 (init_deps): New function.
5633 (free_pending_lists): Simplify, we always use the bb_deps array even
5634 if only one basic block.
5635 (compute_block_backward_dependences): Likewise.
5636 (schedule_region): Likewise.
5638 (propagate_deps): New function, broken out of
5639 compute_block_backward_dependences.
5640 (compute_block_backward_dependences): Use it.
5642 * alpha.md: Delete useless patterns that tried to work around
5643 register elimination problems.
5645 * unroll.c (loop_iterations): Don't abort if iteration variable
5648 From Joern Rennecke:
5649 * reload1.c (reloads_conflict): Reverse test comparing operand
5650 numbers when testing for conflict between output/outaddr reloads.
5652 1999-11-29 David S. Miller <davem@redhat.com>
5654 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5656 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5658 1999-11-28 Robert Lipe <robertl@cygnus.com>
5660 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5661 table from .fini into .dtor.
5663 1999-11-28 Anthony Green <green@cygnus.com>
5665 * tree.h (struct tree_decl): Add malloc_flag.
5666 (DECL_IS_MALLOC): Define.
5667 * c-common.c (attrs): Add A_MALLOC attribute.
5668 (init_attributes): Add this attribute to the table.
5669 (decl_attributes): Handle malloc attribute.
5670 * calls.c (special_function_p): Check for the malloc attribute.
5671 * extend.texi (Function Attributes): Document malloc attribute.
5673 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5675 * pa.md (reload shift-add patterns): Remove.
5677 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5679 * reorg.c (dbr_schedule) Print more statistics. Corrected
5680 problem when printing info when 3 delay slots are filled.
5682 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5684 * combine.c (setup_incoming_promotions): Pass an outgoing
5685 regno to FUNCTION_ARG_REGNO_P which it expects.
5687 1999-11-28 Andreas Jaeger <aj@suse.de>
5689 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5691 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5693 * cccp.c (do_include): Avoid initialization of automatic variable.
5695 * integrate.c (mark_stores): Function definition made void, to match
5696 previous declaration.
5697 * regclass.c (dump_regclass): Ditto.
5698 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5700 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5702 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5703 known to be multiple of divisor.
5705 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5707 * combine.c (try_combine): Add code to try to merge a set of a
5708 two-word pseudo to a constant with a setting of one of those words
5711 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5712 (split_tree): Completely rework to make more general.
5713 (make_range, fold): Call negate_expr.
5714 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5715 (fold, associate): Call new split_tree and associate_trees.
5716 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5718 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5720 * loop.c (try_copy_prop): Avoid GNU C extension.
5722 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5724 * except.c (init_eh_for_function): Still zero eh_return_context,
5725 eh_return_stack_adjust, and eh_return_handler.
5727 * except.h (eh_status): Adjust documentation for x_protect_list.
5728 (begin_protect_partials): New function.
5729 * except.c (enqueue_eh_entry): Fix formatting.
5730 (get_first_handler): Add consistency check.
5731 (add_partial_entry): Adjust usage of protect_list.
5732 (emit_cleanup_handler): Save and restore ehqueue.
5733 (expand_start_all_catch): Add comment.
5734 (begin_protect_partials): New function.
5735 (end_protect_partials): Adjust usage of protect_list.
5736 (init_eh_for_function): Use xcalloc.
5738 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5740 * c-common.c (check_format_info): Don't call a variadic function
5741 with a non-literal format string.
5743 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5745 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5746 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5749 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5752 * collect2.c (collect_wait): Likewise.
5754 * dbxout.c (dbxout_type): Likewise.
5756 * gcc.c (do_spec_1): Likewise.
5758 * genemit.c (gen_insn, gen_expand): Likewise.
5760 * genrecog.c (write_switch, write_subroutine): Likewise.
5762 * mips-tfile.c (catch_signal, botch): Likewise.
5764 * print-rtl.c (print_rtx): Likewise.
5766 * toplev.c (default_print_error_function, report_error_function,
5767 _fatal_insn): Likewise.
5769 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5771 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5773 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5775 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5776 operations when needed.
5777 * i386.md (fop_?f_comm): New.
5778 (fop_?f_1): Do not accept commutative operands.
5780 1999-11-25 Andreas Jaeger <aj@suse.de>
5782 * config/mips/mips.md (casesi_internal): Add missing brace.
5784 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5786 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5787 (splice_child_die): Handle moving a child DIE from the declaration
5788 DIE of a class to its specification.
5789 (gen_struct_or_union_type_die): Use 'complete' consistently.
5790 (gen_decl_die): Generate the virtual context DIE first.
5791 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5793 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5795 * config/mips/mips.md (call_value_multiple_interanal1): New.
5797 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5799 * dwarf2out.c (free_AT, free_die): New fns.
5800 (remove_children): Call them.
5801 (output_line_info): Disable removal of duplicate notes.
5803 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5804 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5805 means pretend the type isn't defined.
5806 Don't defer emitting types.
5807 (gen_type_die_for_member): New fn.
5808 (gen_decl_die): Call it.
5809 (splice_child_die): New fn.
5810 (gen_member_die): Call it rather than generate duplicate dies.
5812 Defer emitting information for the abstract instance of an inline
5813 until we either inline it or emit an out-of-line copy.
5814 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5815 from output_inline_function if DECL_ABSTRACT is also set.
5816 (block_ultimate_origin): Likewise.
5817 (gen_abstract_function): New fn.
5818 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5819 (gen_subprogram_die): An abstract instance is not a declaration
5820 just because it doesn't match current_function_decl. Don't abort
5821 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5822 has an abstract origin.
5823 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5824 abstract instance here.
5826 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5828 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5829 where we need to reload fpul from a system register.
5831 1999-11-24 Andreas Jaeger <aj@suse.de>
5833 * config/mips/linux.h (CPP_PREDEFINES): Added.
5834 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5836 1999-11-24 Andreas Jaeger <aj@suse.de>
5838 * config/mips/linux.h (TARGET_VERSION): Added.
5839 (HANDLE_SYSV_PRAGMA): Added.
5840 (DEFAULT_VTABLE_THUNKS): Added.
5842 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5844 * local-alloc.c (qty): New structure and static variable.
5845 (qty_phys_reg): Remove, all references changed to qty.
5846 (qty_n_refs): Likewise.
5847 (qty_min_class): Likewise.
5848 (qty_birth): Likewise.
5849 (qty_death): Likewise.
5850 (qty_size): Likewise.
5851 (qty_mode): Likewise.
5852 (qty_n_calls_crossed): Likewise.
5853 (qty_alternate_class): Likewise.
5854 (qty_changes_size): Likewise.
5855 (qty_first_reg): Likewise.
5856 (alloc_qty): Rename variable QTY to QTYNO.
5857 (finf_free_reg): Likewise.
5858 (local_alloc): Allocate qty, do not allocate the removed variables.
5860 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5862 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5863 when -membedded-pic is passed.
5865 * config/mips/mips.md (casesi): Handle 64-bit case too.
5866 (casesi_internal_di): New insn.
5868 * config/mips/mips.c (embedded_pic_offset): Always make the
5869 embedded-pic subtractions relative to the name of the current
5870 function by use of the magic string "..CURRENT_FUNCTION".
5871 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5873 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5875 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5876 of (const_int 0), when what we really care about is
5877 whether it's a zero constant anyway.
5878 (div_trap_mips16): Likewise.
5880 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5882 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5883 unroll_block_trees when generating debuggable code.
5885 * tree.h (unsave_expr_1): New function.
5886 (lang_unsave): New variable.
5887 (get_callee_fndecl): New function.
5888 * tree.c (unsave_expr_now_r): New function.
5889 (lang_unsave): Define.
5890 (unsave_expr_1): Likewise.
5891 (unsave_expr_now_r): Split out from unsave_expr_now.
5892 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5893 call unsave_expr_now_r.
5894 (get_callee_fndecl): Define.
5896 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5897 (gencheck.o): Do depend on lang_tree_files.
5899 * integrate.h (copy_decl_for_inlining): New declaration.
5900 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5901 (copy_decl_for_inlining): New function.
5902 (integrate_parm_decls): Use it.
5903 (integrate_decl_tree): Likewise.
5905 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5907 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5908 the second two from the first.
5909 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5910 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5911 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5913 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5914 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5917 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5919 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5920 needed on the address operand.
5921 * pa.c (call_operand_address): Check for the correct mode.
5923 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5925 * loop.c: Include "basic-block.h".
5926 (try_copy_prop, replace_loop_reg): New functions.
5927 (load_mems): Detect registers that just hold copies of the hoisted
5928 mem, and call try_copy_prop to eliminate them.
5929 * Makefile.in (loop.o): Update dependencies.
5931 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5933 * Makefile.in (gencheck.o): Depend on gencheck.h.
5934 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5935 (insn-peep.o): Depend on except.h and function.h.
5936 (insn-attrtab.o): Depend on RECOG_H.
5937 (insn-output.o): Depend on toplev.h and flags.h.
5938 (gengenrtl.o): Depend on real.h.
5939 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5940 Unify all dependencies to be on RECOG_H rather than recog.h.
5942 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5944 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5945 * configure.in: Try building a bi-arch 32/64-bit compiler on
5946 sparc-*-solaris2.7 and higher.
5947 * configure: Rebuild.
5949 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5951 * config/freebsd.h: New, FreeBSD architecture independent file.
5952 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5954 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5955 directly by i386/freebsd.h.
5956 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5957 independent configuration file.
5958 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5959 directly by i386/freebsd.h.
5960 * configure: Rebuilt.
5962 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5963 which is in the user's namespace.
5964 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5965 `i386' which is not in our namespace.
5967 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5969 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5971 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5973 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5974 (add_dwarf_attr, add_child_die): Just push onto the front.
5975 (reverse_die_lists): New fn.
5976 (add_sibling_attributes): Use it.
5977 (push_decl_scope): Reorganize.
5978 (add_name_and_src_coords_attributes): Don't set file and line for
5980 (gen_subprogram_die): An artificial function doesn't need to match
5982 (gen_compile_unit_die): Return the generated die. Only add
5983 AT_comp_dir if the filename is relative.
5984 (remove_AT): Simplify loop. Also free string values.
5985 (output_die): A DIE ref can't be null.
5986 (output_value_format, value_format): Take a dw_attr_ref.
5987 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5988 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5989 AT_addr, AT_lbl): New fns.
5990 (various): Use them.
5991 (various): Constify.
5993 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5995 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5996 take SUBREG_WORD into account.
5997 (if_then_else_cond): Likewise.
5999 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6001 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6002 clause from BSD license, pursuant with
6004 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6006 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6008 * loop.c (load_mems): Reformat slightly.
6009 * basic-block.h (regset_head): New typedef.
6010 (INIT_REG_SET): New macro.
6012 1999-11-22 Bruce Korb <autogen@linuxbox.com
6014 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6015 (mips-dec-bsd*): non-functional code
6016 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6018 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6019 added three replacement fixes
6020 (no_double_slash): removed comments that are not (any longer) pertinent
6021 (bad_lval): this fix currently runs against many files.
6022 The comment seems to indicate that we should select for files
6023 containing 'pragma extern_prefix'.
6025 * fixinc/fixinc.x86-linux-gnu: deleted
6026 * fixinc/inclhack.sh: regen
6027 * fixinc/fixincl.x: regen
6028 * fixinc/fixincl.sh: regen
6030 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6032 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6033 its code is INSN and it has no notes.
6035 1999-11-22 Andrew Haley <aph@cygnus.com>
6037 * varasm.c (function_defined): Remove.
6038 (make_function_rtl): Don't set function_defined.
6039 (make_decl_rtl): Remove global register warning.
6040 * regclass.c (no_global_reg_vars): New variable.
6041 (globalize_reg): Warn if function has already been defined.
6042 (regclass_init): Set no_global_reg_vars.
6044 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6046 * regclass.c (reg_pref): New structure and static variable
6047 (prefclass): Delete.
6049 (all uses of prefclass and altclass): Use reg_pref instead.
6051 1999-11-21 Nick Clifton <nickc@cygnus.com>
6053 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6055 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6056 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6057 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6059 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6061 * varasm.c (output_constructor): Solve problem with long long
6062 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6064 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6066 * global.c (allocno): New structure and static variable.
6067 (allocno_reg): Remove, all references replaced by allocno.
6068 (allocno_size): Likewise.
6069 (hard_reg_conflicts): Likewise.
6070 (hard_reg_preferences): Likewise.
6071 (hard_reg_copy_preferences): Likewise.
6072 (hard_reg_full_preferences): Likewise.
6073 (regs_someone_prefers): Likewise.
6074 (allocno_calls_crossed): Likewise.
6075 (allocno_n_refs): Likewise.
6076 (allocno_live_length): Likewise.
6077 (find_reg): Rename ALLOCNO to NUM.
6079 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6081 (may_move_out_cost): New variable.
6082 (init_reg_sets_1): Initialize may_move_out_cost.
6083 (record_reg_classes): Use may_move_out_cost.
6085 * regclass.c (dump_regclass): New function.
6086 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6087 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6088 pass rtl_dump_file to regclass.
6089 * rtl.h (regclass): Update prototype.
6091 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6093 * i386.md (neg, not and abs patterns): Revmap to use
6094 ix86_expand_unary_operator and ix86_unary_operator_ok.
6095 (add?f and sub?f expanders): Force operand 1 to register.
6096 * i386.c (ix86_expand_unary_operator): Rewrite.
6097 (ix86_unary_operator_ok): Ensure that memory operands
6099 (ix86_binary_operator_ok): Do not allow operand 1 to
6100 come into memory and operand 0 not.
6101 (ix86_expand_binary_operator): Ensure that
6102 src1 is not non-matching memory.
6104 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6105 to support integer registers and memory.
6106 (abss?2_integer): Likewise.
6108 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6109 (REG_CLASS_NAMES): Likewise.
6110 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6112 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6113 (movsf): Likewise; unify 4th and 5th alternative.
6115 (movdf_1): Likewise; rename to movdf_integer.
6116 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6117 remove redundant splitter.
6118 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6119 (movdf_nointeger): New.
6120 (movxf_nointeger): New.
6121 (pushxf_nointeger): New.
6123 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6124 memory operands in patterns.
6125 (fop*): Refuse two memory operands.
6127 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6128 on !TARGET_USE_CLTD CPUs.
6130 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6132 * extend.texi: Document C++ restricted pointers and references.
6134 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6136 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6137 (invalidate_skipped_set): Call it unconditionally.
6138 (cse_set_around_loop): Likewise.
6140 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6142 * rtl.texi (mem): Add documentation for alias-set argument
6145 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6147 * i386.h (struct_processor_costs): New fields int_load, int_store,
6148 fp_move, fp_load and fp_store
6149 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6151 (MEMORY_MOVE_COST): New macro.
6152 * i386.c (386_cost): Define new fields.
6153 (i486_cost): Likewise.
6154 (pentium_cost): Likewise.
6155 (pentiumpro_cost): Likewise.
6156 (k6_cost): Likewise.
6158 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6159 Geoffrey Keating <geoffk@cygnus.com>
6161 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6163 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6166 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6167 (TARGET_STRICT_ALIGNMENT): New macro.
6168 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6169 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6170 * invoke.texi (M680x0 Options): Document -mstrict-align.
6172 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6173 Richard Henderson <rth@cygnus.com>
6175 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6176 (ix86_split_long_move): Declare.
6177 * i386.c (split_xf, ix86_split_movdi): Remove.
6178 (ix86_split_to_parts, ix86_split_long_move): New.
6179 * i386.md (dimode move splitters): Use ix86_split_long_move.
6180 (dfmode move splitters): Likewise.
6181 (xfmode move splitters): Likewise.
6182 (movsf_1): Allow F->r.
6183 (movdf_1, movxf_1): Allow F->ro.
6185 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6187 * except.h (struct eh_entry): Add goto_entry_p.
6188 (eh_region_from_symbol): Remove prototype.
6189 * except.c (find_func_region_from_symbol): New function.
6190 (emit_cleanup_handler): Likewise.
6191 (eh_region_from_symbol): Make it static.
6192 (add_new_handler): Verify the argument.
6193 (find_func_region): Update comment.
6194 (expand_eh_region_end): Expand handlers here, rater than waiting
6195 until expand_leftover_cleanups or start_all_catch.
6196 (expand_leftover_cleanups): Don't expand here.
6197 (expand_start_all_catch): Or here.
6198 (expand_rethrow): Check the return value from find_func_region.
6199 * function.c (expand_function_end): Emit the catch_clauses.
6201 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6203 * integrate.c (expand_inline_function): Add necessary check for NULL.
6205 1999-11-18 Nick Clifton <nickc@cygnus.com>
6207 * toplev.c (main): Correctly detect an unrecognised option.
6209 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6210 a -f option if it has not been recognised.
6212 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6214 * basic-block.h (update_life_extent): Remove trailing comma on
6215 enumeration type list.
6217 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6219 * varasm.c (output_constructor) Solved problem with long long
6220 bitfields. Corrected calculating this_time and shift. Also
6221 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6223 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6225 * flow.c (split_edge): Take looping structure into account when
6226 determining where to put the new block note.
6228 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6230 * Makefile.in (ggc-none.o): Provide host specific version if
6233 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6235 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6236 containing subregs too.
6238 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6240 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6241 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6242 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6243 (text_section): Add switches -munint-const-in-rodata and
6244 -mno-uninit-const-in-rodata.
6245 (ASM_OUTPUT_COMMON): Remove.
6246 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6247 const objects should be placed in read-only data. Otherwise declare
6250 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6252 * jump.c (jump_optimize_1): Revert last change.
6254 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6256 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6257 test if optimizing for size.
6259 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6261 * Makefile.in (toplev.o): Depend on except.h.
6262 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6264 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6266 * i386.md (divmodsi4): Rewrite to expander.
6267 (*divmodsi4_nocltd): New.
6268 (*divmodsi4_cltd): New.
6269 (divmodsi4 splitter): Handle the case when input comes in edx.
6270 (udivmodhi4): Do not use constraints in exander.
6271 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6273 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6275 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6276 for the common case.
6278 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6280 * explow.c (hard_function_value): Add outgoing argument.
6281 * expr.h (hard_function_value): Declare it.
6282 * calls.c (expand_call, emit_library_call_value): Update callers.
6283 * function.c (aggregate_value_p): Ditto.
6284 (diddle_return_value): Must look at the outgoing registers
6285 on archs with register windows.
6287 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6289 * alpha.c (alpha_build_va_list): Use make_lang_type and
6290 initialize TYPE_NAME for the va_list record.
6292 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6294 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6296 * ggc.h (struct ggc_statistics): Rearrange elements for better
6297 packing on 64-bit hosts.
6298 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6299 (compute_nearerout): Likewise.
6301 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6303 * config/rs6000/rs6000.c (first_reg_to_save): Save
6304 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6306 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6308 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6309 notion of nesting to find the DIE for a type or function.
6310 DIEs can go in limbo even if we got a context_die.
6311 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6312 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6314 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6315 (gen_type_die): Writing out the context doesn't cause member class
6316 template instantiations to be written out as well.
6318 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6320 * rs6000.h (ASM_OUTPUT_DEF): New.
6321 Based on proposed addition from David Edelsohn.
6323 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6324 Bruce Korb <autogen@linuxbox.com>
6326 * fixinc/inclhack.def
6327 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6328 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6330 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6331 (svr4_endian): enabled with SVR5
6332 (svr4_mkdev): simplified syntax and enabled with SVR5
6334 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6336 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6337 * configure: Rebuilt.
6338 * config/t-freebsd-thread: New file.
6340 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6342 * i386.c (ix86_decompose_address): Verify the base is a REG
6343 before trying to examine its register number.
6345 * basic-block.h: Remove all #defines and prototypes related to
6347 (free_bb_mem, compute_preds_succs): Remove prototype.
6348 * rtl.h (free_bb_mem): Remove prototype.
6349 * flow.c (alloc_int_list_node); Remove function.
6350 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6351 (compute_preds_succs, free_bb_mem): Likewise.
6352 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6353 * toplev.c (rest_of_compilation): Likewise.
6354 * haifa-sched.c (build_control_flow): Use flow generated edge
6355 list to build the haifa specific edge list.
6356 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6357 (schedule_insns): Do not build pred/succ lists anymore. Instead
6358 build the edge table.
6360 * basic-block.h (dump_bb_data): Remove declaration.
6361 * flow.c (dump_bb_data): Remove function.
6362 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6363 (sbitmap_union_of_predsucc): Likewise.
6365 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6366 argument. All callers changed.
6367 (delete_null_pointer_checks_1): No longer need to compute the
6370 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6371 All callers changed.
6372 (pre_expr_reaches_here_p_work): Likewise.
6373 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6374 * lcm.c (compute_laterin): Fix initialization of LATER.
6375 (compute_nearerout): Similarly for NEARER.
6377 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6379 * cse.c (set_nonvarying_address_components): Delete unused function.
6380 (refers_to_p): Likewise.
6382 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6384 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6387 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6389 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6390 definition in do while (0).
6392 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6394 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6396 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6398 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6400 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6402 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6403 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6404 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6405 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6407 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6408 saved on the stack. Output more accurate stack frame statistics
6409 into assembler file.
6411 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6413 * genextract.c (record_insn_name): New function.
6414 (get_insn_name): No longer a stub.
6415 (main): Call record_insn_name for each insn. After each label
6416 written, print the insn name in a comment.
6418 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6420 * output.h (const_section, init_section, fini_section): Add
6423 * alpha/elf.h (const_section): Delete declaration.
6425 * svr4.h (const_section): Likewise.
6427 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6429 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6430 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6431 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6433 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6434 variable-sized array bounds.
6436 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6438 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6441 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6443 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6444 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6446 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6448 * cse.c (hash_arg_in_struct): Delete.
6449 (struct table_elt): Delete elt in_struct.
6450 (struct set): Delete elt src_in_struct.
6451 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6452 the corresponding in_struct elts.
6453 (canon_hash): Likewise.
6454 (safe_hash): Likewise.
6455 (find_best_addr): Likewise.
6456 (record_jump_cond): Likewise.
6457 (cse_insn): Likewise.
6459 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6461 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6463 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6466 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6468 * function.c (diddle_return_value): Put back check that the DECL_RTL
6469 for the function is a register.
6471 * function.c (diddle_return_value): Use hard_function_value to
6472 get an rtx suitable for use in the USE/CLOBBER insn.
6474 * global.c (global_conflicts): Update comments.
6475 (record_conflicts): No need to record conflicts between pseudos here.
6477 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6479 * fixinc/fixincl.c: Added verbose levels for status messages
6481 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6483 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6484 operand as argument to expand_and or expand_binop.
6486 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6488 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6489 gcc_add_string_root.
6491 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6493 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6495 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6497 * flow.c (compute_flow_dominators): Initially put all blocks on
6499 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6500 * gcse.c (compute_cprop_avinout): Remove.
6501 (compute_cprop_data): Use compute_available.
6502 (delete_null_pointer_checks_1): Use compute_available.
6504 * basic-block.h (compute_available): Returns a void now.
6505 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6506 to return a value anymore.
6507 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6508 worklists. Fix boundary cases. Compute maximal solutions.
6509 (compute_laterin, compute_nearerout): Similarly.
6511 * dwarf2out.c (add_AT_location_description): Allow
6512 (mem (plus (pseudo) (...)) too.
6514 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6516 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6518 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6519 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6521 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6523 * gansidecl.h: Likewise.
6529 * toplev.h: Likewise.
6535 * varray.c: Likewise.
6537 * varray.h: Likewise.
6539 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6541 * gcov.c (struct arcdata): Add hits and total, remove prob.
6542 (output_branch_counts): New.
6543 (process_args): Set output_branch_counts if -c.
6544 (calculate_branch_probs): Store hits and total instead of
6546 (output_data): Emit counts if output_branch_counts is true.
6547 * gcov.texi (Invoking Gcov): Document -c switch..
6549 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6551 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6552 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6554 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6556 * invoke.texi (C Dialect Options): Add missing builtins from
6558 * extend.texi (Other Builtins): Copy to this list.
6560 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6562 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6563 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6566 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6568 * flow.c (compute_flow_dominators): No longer treat basic block 0
6569 or (n_basic_blocks - 1) specially. Clear the AUX field before
6570 starting computation of doms/pdoms. Fix initial state for pdoms.
6572 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6574 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6575 match rtl.o's: added ggc.h and toplev.h
6576 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6577 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6578 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6580 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6582 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6583 from HAVE_DOS_BASED_FILESYSTEM.
6584 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6585 HAVE_DOS_BASED_FILESYSTEM.
6587 (split_directories): Only special-case DOS file names if
6588 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6589 instead of explicit tests. Conditionalize on !VMS.
6590 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6591 tests. Conditionalize on !VMS.
6592 (process_command): Only use make_relative_prefix if !VMS.
6593 (free_split_directories): Conditionalize on !VMS.
6594 (DIR_UP): Conditionalize on !VMS.
6596 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6598 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6600 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6602 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6605 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6607 * invoke.texi (Environment Variables): Document relative path
6609 * gcc.c (DIR_UP): If not defined, define as "..".
6610 (standard_bindir_prefix): New static, holds target location to
6612 (split_directories): New function to split a filename into
6613 component directories.
6614 (free_split_directories): New function, release memory allocated
6615 by split_directories.
6616 (make_relative_prefix): New function, make a relative pathname if
6617 the compiler is not in the expected location.
6618 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6619 can figure out an appropriate prefix from argv[0].
6620 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6621 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6622 STANDARD_BINDIR_PREFIX.
6624 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6626 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6628 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6629 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6630 c4x_secondary_memory_needed) Delete.
6631 (fp_zero_operand): Add mode argument.
6633 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6635 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6636 that is in reload_reg_used.
6638 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6640 * config/arm/arm-protos.h: New file: Prototypes for functions
6641 defined in arm.c and pe.c.
6642 * config/arm/arm.h: Fix compile time warnings.
6643 * config/arm/arm.c: Fix compile time warnings.
6644 * config/arm/pe.h: Fix compile time warnings.
6645 * config/arm/aout.h: Fix compile time warnings.
6647 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6649 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6652 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6653 Add support for subtargets.
6654 Add prototypes for new predicates.
6655 Add scheduling macros.
6657 * config/m32r/m32r.c: Fix compile time warnings.
6658 (int8_operand): New predicate function.
6659 (reg_or_cmp_int16_operand): New predicate function.
6660 (extend_operand): New predicate function.
6661 (m32r_adjust_code): New scheduling function.
6662 (m32r_adjust_priorty): New scheduling function.
6663 (m32r_sched_init): New scheduling function.
6664 (m32r_sched_reorder): New scheduling function.
6665 (m32r_sched_variable_issue): New scheduling function.
6666 (direct_return): New codegen function.
6667 (m32r_not_same_reg): New rtl testsing function.
6669 * config/m32r/m32r.md: Fix compile time warnings.
6670 Add support for pre decrement and post increment memory
6675 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6677 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6678 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6679 (find_reg): Likewise.
6681 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6683 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6684 to avoid assembler errors.
6686 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6688 * config/v850/v850-protos.h: New file: Prototypes for functions
6690 * config/v850/v850.h: Move prototypes to v850-protos.h
6691 * config/v850/v850.c: Move prototypes to v850-protos.h
6692 * config/v850/v850.md: Fix compile time warnings.
6694 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6696 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6697 * config/fr30/fr30.c: Fix compile time warnings.
6698 * config/fr30/fr30.md: Fix compile time warnings.
6700 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6702 * tree.h (get_containing_scope): Declare it.
6703 * tree.c (get_containing_scope): New fucntion.
6704 (decl_function_context): Use it.
6705 * toplev.c (rest_of_compilation): Use get_containing_scope.
6707 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6709 * Makefile.in (rtl.o): Depend on toplev.h.
6711 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6713 * cse.c (delete_trivially_dead_insns): Replace alloca with
6715 * except.c (update_rethrow_references): Likewise.
6716 (init_eh_nesting_info): Likewise.
6717 * function.c (identify_blocks): Likewise.
6718 * gcse.c (dump_hash_table): Likewise.
6719 * graph.c (print_rtl_graph_with_bb): Likewise.
6720 * loop.c (combine_movables): Likewise.
6721 (move_movables): Likewise.
6722 (count_loop_regs_set): Likewise.
6723 (strength_reduce): Likewise.
6724 * profile.c (compute_branch_probabilities): New function, split
6726 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6727 * regclass.c (regclass): Likewise.
6728 * regmove.c (regmove_optimize): Likewise.
6729 * toplev.c (compile_file): Likewise.
6730 (main): Don't mess with the stack rlimit.
6732 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6734 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6735 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6737 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6739 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6741 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6743 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6744 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6747 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6749 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6751 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6753 * gcse.c (post_dominators): Kill.
6754 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6755 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6756 pass in a pdom array since we do not need pdoms.
6757 * haifa-sched.c (schedule_insns): Similarly.
6758 * flow.c (compute_dominators): Remove dead function.
6759 (compute_flow_dominators): Do not compute doms or pdoms if the
6760 caller does not request them. Split up loop to build doms and
6761 pdoms. Use a worklist to compute doms and pdoms.
6762 * basic-block.h (compute_dominators): Remove prototype.
6764 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6766 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6767 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6768 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6769 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6770 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6771 (schedule_region): Remove unused variable.
6772 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6774 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6776 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6777 (update_equiv_regs): Likewise.
6778 (block_alloc): Likewise.
6779 * reg-stack.c (reg_to_stack): Likewise.
6780 (convert_regs_2): Likewise.
6781 * reload1.c (reload_as_needed): Likewise.
6783 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6785 * Makefile.in (dbxout.o): Depend on ggc.h.
6786 (dwarf2out.o): Likewise.
6787 (xcoffout.o): Likewise.
6788 * dbxout.c: Include ggc.h.
6789 (dbxout_init): Register lastfile as a root.
6790 * dwarf2out.c: Include ggc.h.
6791 (dwarf2out_line): Register lastfile as a root.
6792 * xcoffout.c: Include ggc.h.
6793 (xcoffout_source_line): Register xcoff_lastfile as a root.
6795 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6797 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6799 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6801 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6803 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6805 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6807 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6808 (EXECUTE_IF_CONFLICT): Likewise.
6809 (ALLOCNO_LIVE_P): Avoid signed division.
6810 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6811 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6812 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6814 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6816 * haifa-sched.c (schedule_block): Don't crash if there's no
6817 next insn for an interblock movement.
6818 (add_branch_dependences): Don't allow clobber insns to move either.
6820 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6822 * i386.c (split_xf): New.
6823 * i386-protos.h: Declare it.
6824 * i386.md (movxf_1): Add general regs alternatives.
6825 (movxf_1+1): New splitter for same.
6827 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6829 * function.c (purge_addressof_1): Add missing return values.
6831 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6833 * function.c (is_addressof): New function. Returns true if
6834 the given piece of RTL is an ADDRESSOF.
6835 (purge_addressof_1): Make boolean. Return false if the
6836 ADDRESSOFs could not be purged.
6837 (purge_addressof): If ADDRESSOFs could not be purged from the
6838 notes attached to an insn, remove the offending note(s),
6839 unless they are attached to a libcall.
6841 1999-11-05 Andreas Jaeger <aj@suse.de>
6843 * genoutput.c (null_operand =): Initialize all fields.
6845 * errors.h: Add extern to prototypes.
6847 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6849 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6850 * configure: Rebuilt.
6852 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6854 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6855 (mirror_conflicts): New function.
6856 (global_alloc): Call it.
6857 (expand_preferences): Remove redundant CONFLICTP test.
6858 (find_reg, dump_conflicts): Likewise.
6859 (prune_preferences): Process conflicts one word at a time.
6861 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6863 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6864 instead of an explicit loop.
6866 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6868 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6869 if REG_RETVAL check succeeds, then put classp in src_elt.
6871 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6873 * function.c (pad_to_arg_alignment): Only update argument_pad
6874 if the argument's alignment is greater than STACK_BOUNDARY.
6876 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6878 * bitmap.h (BITMAP_XFREE): New.
6879 * flow.c (life_analysis): Use it.
6880 (life_analysis_1): Free blocks.
6882 * combine.c (undo_commit): New.
6883 (try_combine): Use it. Don't zap undobuf.undos.
6884 (combine_instructions): Don't zap undobuf.undos; free the
6887 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6889 * stmt.c (cost_table_): New.
6890 (estimate_case_costs): Use it instead of xmalloc.
6892 * toplev.c (compile_file): Reuse dumpname memory instead
6895 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6897 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6898 after verifying an EH edge.
6900 * haifa-sched.c (init_rgn_data_dependences): Correctly
6901 size bb_pending_lists_length when zeroing.
6903 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6905 * function.c (diddle_return_value): New.
6906 (expand_function_end): Use it.
6907 * stmt.c (expand_null_return): Likewise.
6908 (expand_value_return): Likewise.
6910 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6912 * reload1.c (reload): Don't remove return value clobbers.
6914 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6916 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6918 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6920 * cse.c (cse_main): Use xmalloc, not alloca.
6921 (cse_basic_block): Likewise.
6922 * local-alloc.c (local_alloc): Likewise.
6924 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6925 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6927 * rtl.c: Include toplev.h.
6928 (fatal): Remove declaration.
6930 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6932 * haifa-sched.c (schedule_block): Fix thinko.
6934 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6936 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6937 S_IR* defined values
6939 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6941 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6942 call `malloc' instead.
6944 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6946 * flags.h (flag_renumber_insns): Declare.
6947 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6949 * rtl.h (renumber_insns): Change prototype.
6950 * toplev.c (flag_renumber_insns): Define.
6951 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6953 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6955 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6956 and fpsqrtd. Use them and create fdiv function unit to more
6957 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6958 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6960 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6962 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6964 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6965 insn into ready list, do not use just a raw swap.
6967 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6969 * rtl.h (renumber_insns): New function.
6970 (remove_unnecessary_notes): Likewise.
6971 * emit-rtl.c (renumber_insns): Define.
6972 (remove_unncessary_notes): Likewise.
6973 * toplev.c (rest_of_compilation): Remove dead code.
6974 Use renumber_insns and remove_unncessary_notes.
6976 * gcse.c (struct null_pointer_info): New type.
6977 (get_bitmap_width): New function.
6978 (current_block): Remove.
6979 (nonnull_local): Likewise.
6980 (nonnull_killed): Likewise.
6981 (invalidate_nonnull_info): Take a null_pointer_info as input.
6982 (delete_null_pointer_checks_1): New function.
6983 (delete_null_pointer_checks): Use it.
6985 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6986 (split_edges): Likewise.
6987 (schedule_block): Likewise.
6988 (compute_block_backward_dependencies): Likewise.
6989 (schedule_region): Likewise.
6990 (schedule_insns): Likewise.
6992 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6994 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6995 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6996 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6997 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6998 * jump.c (delete_unreferenced_labels): Don't delete if
6999 LABEL_ALTERNATE_NAME is set.
7000 * print-rtl.c (print_rtx): Dump alternate name.
7001 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7002 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7003 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7004 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7006 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7008 * fix-header.c (recognized_extern, recognized_function): Constify
7011 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7012 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7013 (compute_available): Remove unused variable `last'.
7014 (compute_nearerout): Remove unused variable `temp_bitmap'.
7015 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7016 Remove unused variable `x'.
7018 * scan.h (recognized_function, recognized_extern): Constify a
7021 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7023 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7025 * varasm.c (decode_rtx_const): Use XSTR to access the string
7028 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7030 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7032 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7034 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7036 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7038 * pa.c (ireg_operand): New function.
7039 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7040 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7041 Fix out of date comment.
7043 * pa.md (negdi2): Turn into expander + anonymous pattern.
7045 * reload.c (find_reloads): Fix typos in recent change.
7047 * dwarf2out.c: Do not include ctype.h.
7049 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7051 * regclass.c (record_reg_classes): Always use may_move_cost when
7052 seeing how operand fits with various register classes.
7054 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7056 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7057 * toplev.c: Revert Nov 1 13:22 change.
7059 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7061 * config/pa/pa.md (height reduction patterns): Add checks for
7062 overlapping operands to avoid semantic-destroying splits for
7063 height reduction patterns.
7065 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7067 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7068 have been an hyphen, fixed.
7069 * configure: Rebuilt.
7071 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7073 * config/arm/tpe.h: Add prototypes for exported functions.
7074 * config/arm/pe.c: Fix compile time warnings.
7075 * config/arm/semi.h: Fix compile time warnings.
7076 * config/arm/arm.c: Fix compile time warnings.
7077 * config/arm/arm.h: Fix compile time warnings.
7078 * config/arm/arm.md: Fix compile time warnings.
7079 * config/arm/thumb.c: Fix compile time warnings.
7080 * config/arm/thumb.h: Fix compile time warnings.
7081 * config/arm/thumb.md: Fix compile time warnings.
7083 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7085 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7088 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7089 completely unrolled.
7091 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7093 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7095 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7097 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7098 * rtl.h (rtx_equal_p): Move prototype.
7099 * rtl.c (rtx_equal_function_value_matters): Move from
7101 (rtx_equal_p): Likewise.
7102 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7103 (rtx_equal_p): Likewise.
7105 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7107 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7110 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7112 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7114 * pa.h (ADDR_VEC_ALIGN): Define.
7116 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7117 notes when presented with "if (foo) break; end_of_loop" and
7118 the break sequence gets moved out of the loop.
7120 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7121 Remove explicit zero initializations of entries within MAP.
7123 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7125 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7127 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7129 * bitmap.h (BITMAP_XMALLOC): New macro.
7130 * flow.c (CLEAN_ALLOCA): Remove.
7131 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7132 (life_analysis): Likewise.
7133 (update_life_info): Don't use CLEAN_ALLOCA.
7134 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7135 (calculate_global_regs_live): Likewise.
7136 (print_rtl_with_bb): Likewise.
7137 (verify_flow_info): Likewise.
7138 * global.c (global_alloc): Likewise.
7139 (global_conflicts): Likewise.
7140 * integrate.c (save_for_inline_nocopy): Likewise.
7141 (expand_inline_function): Likewise.
7142 * jump.c (jump_optimize_1): Likewise.
7143 (duplicate_loop_exit_test): Likewise.
7144 (thread_jumps): Likewise.
7145 * loop.c (loop_optimize): Likewise.
7146 (combine_givs): Likewise.
7147 (recombine_givs): Likewise.
7148 * reorg.c (dbr_schedule): Likewise.
7149 * unroll.c (unroll_loop): Likewise.
7151 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7153 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7155 * toplev.c (rest_of_compilation): Don't optimize the CFG
7156 when rebuilding, just before dbr.
7158 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7160 * output.h (assemble_end_function, assemble_destructor,
7161 assemble_constructor, assemble_gc_entry, assemble_global,
7162 assemble_label, output_constant_pool) Constify a char*.
7164 * varasm.c (assemble_destructor, assemble_constructor,
7165 assemble_gc_entry, assemble_end_function, assemble_global,
7166 assemble_label, output_constant_pool): Likewise.
7168 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7170 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7171 explaining what is goin on in this function.
7173 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7175 * regclass.c (record_reg_classes): In matching case, recompute
7176 costs since the direction of movement is different.
7178 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7180 * resource.c (mark_target_live_regs): For unconditional branches,
7181 the resources found at the branch target should be added to the
7182 resources found so far, not intersected.
7184 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7186 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7188 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7189 (sys/mman.h): Include this file only if #HAVE_MMAP.
7190 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7191 with automatically concatenated ANSI strings.
7193 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7195 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7196 (DIV_ROUND_UP): Robustify.
7197 (ggc_recalculate_in_use_p): New function.
7198 (release_pages): Don't inline it.
7199 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7201 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7202 (clear_marks): Always save in_use_p.
7203 (sweep_pages): Use ggc_recalculate_in_use_p.
7204 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7205 Release pages before counting statistics.
7207 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7209 * toplev.c (rest_of_compilation): Fix thinko in this change:
7211 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7213 (rest_of_compilation): If inside an inlined external function,
7214 pretend we are just being declared.
7216 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7218 * flow.c (calculate_global_regs_live): Fix thinko.
7220 * integrate.c (expand_inline_function): Fix bugs in previous
7221 change from Oct 28, 1999.
7223 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7225 * stmt.c (expand_value_return): Fix typo in this change:
7227 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7228 (expand_value_return): Correctly convert VAL when promoting function
7229 return; support RETURN_REG being a PARALLEL.
7231 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7233 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7235 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7237 * hard-reg-set.h (reg_names): Constify a char*.
7239 * regclass.c (reg_names): Likewise.
7241 * regs.h (reg_names): Likewise
7243 * a29k/a29k.c (reg_names): Delete declaration.
7245 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7247 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7248 arc_output_function_epilogue): Likewise.
7250 * elxsi/elxsi.c (reg_names): Likewise.
7252 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7254 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7257 * m88k/m88k.c (output_function_profiler): Likewise.
7259 * sparc/sparc.c (sparc_flat_output_function_prologue,
7260 sparc_flat_output_function_epilogue): Likewise.
7262 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7264 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7265 warning from -Wuninitialized and put it under -W.
7266 * function.c (uninitialized_vars_warning): Warn only when the
7267 corresponding flag is set.
7269 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7271 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7272 is nonzero and the single set does not have an elt, then assign
7275 * simplify-rtx.c: New file.
7276 * Makefile.in (OBJS): Add simplify-rtx.o
7277 (simplify-rtx.o): Add dependencies.
7278 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7279 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7280 (cse_gen_binary, simplify_unary_operation): Delete.
7281 (simplify_binary_operation, simplify_plus_minus): Likewise.
7282 (check_fold_consts, simplify_relation_operation): Likewise.
7283 (simplify_ternary_operation): Likewise.
7284 (delete_trivially_dead_insns): Simplify the contents of the
7285 REG_EQUAL note before trying to substitute it into the source
7286 of the reg-reg copy at the end of a libcall sequence.
7288 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7289 references/callers changed.
7291 * mn10200.c (mn10200_va_arg): Force the return value into a
7294 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7296 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7299 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7301 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7303 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7305 * fold-const.c (fold): Fix thinko when optimizing comparisons
7308 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7310 * gcc.texi (Passes): Update front-end files to their current
7313 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7315 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7316 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7317 (PREDICATE_CODES): Add addition_operation.
7318 * alpha-protos.h (addition_operation): Declare.
7319 (secondary_reload_class): Likewise.
7320 * alpha.c (addition_operation): New.
7321 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7322 * alpha.md (adddi3): Turn into expander.
7323 (*lda, *adddi_2): New.
7324 (movsf, movdf patterns): Don't preference integer regs.
7325 (movsi, movdi patterns): Don't preference fp regs.
7327 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7329 * genrecog.c (write_switch): Check for duplicate CODE cases.
7331 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7333 * ggc-common.c: Update pre-function commentary.
7334 * ggc-page.c: Likewise.
7336 (poison_pages): Use memset directly.
7337 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7338 (ggc_collect): Poison before sweeping.
7339 * ggc-simple.c: Update pre-function commentary.
7340 (ggc_alloc_obj): Poison non-zeroed memory.
7342 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7344 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7345 match format string, even on 64-bit hosts.
7346 * gcc-page.c (ggc_page_print_statistics): Likewise.
7348 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7350 * config/i386/i386.c (ix86_cpu): Revert last patch.
7351 * config/i386/i386.h (ix86_cpu): Ditto.
7353 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7355 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7356 TYPE_SIZE, convert type of result to sizetype.
7358 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7360 * flow.c (count_or_remove_death_notes): Equate NULL with the
7363 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7364 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7367 * i386.c (pic_label_no): Delete.
7368 (ix86_attr_length_default): Don't use single_set to peek
7371 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7372 the first insn after bb->end.
7373 * i386.md (push mem peeps): Scratch is live after evaluation
7375 (cmp mem peep): Similarly.
7377 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7379 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7380 * function.c (pad_to_arg_alignment): Add missing braces.
7382 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7384 * alpha/alpha-protos.h (literal_section): Add prototype.
7385 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7388 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7390 (alpha_start_function, alpha_end_function, float_strings,
7391 alpha_need_linkage): Constify a char*
7393 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7395 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7397 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7399 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7401 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * flow.c (debug_flow_info): Add prototype.
7405 * gcc.c (main): Likewise.
7407 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7410 * reload1.c (failed_reload, set_reload_reg): Likewise.
7412 * mips-tfile.c (main): Likewise.
7413 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7414 with ATTRIBUTE_NORETURN.
7416 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7418 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7419 DECL is not a memory ref.
7421 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7423 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7424 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7426 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7428 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7429 * config/mips/elf64.h: ditto.
7431 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7433 * expr.c (emit_push_insn): New argument alignment_pad.
7434 Update all callers. Adjust stack pointer based on alignment pad.
7435 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7436 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7437 (locate_and_pad_parm): New argument alignment_pad. Update all
7439 * expr.h (emit_push_insn): Update prototype.
7440 (locate_and_pad_parm): Update prototype.
7441 * calls.c (arg_data): Add new field alignment_pad.
7442 (initialize_argument_information): Initialize alignment_pad.
7444 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7446 * except.c (free_eh_nesting_info): Free the info itself.
7447 * function.c (free_after_compilation): Don't free NULL.
7448 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7449 (pre_edge_insert): Free inserted.
7450 * stmt.c (free_stmt_status): Don't free NULL.
7452 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7454 * gcov.c (DIR_SEPARATOR): Provide default.
7455 (output_data): Add test for MS-DOS format absolute filename.
7456 (fancy_abort): Correct program name.
7457 (open_files): Open all files in binary mode.
7458 * libgcc2.c (__bb_exit_func): Likewise.
7460 * profile.c (init_branch_prob): Specify binary when opening files.
7462 * flags.h (flag_unwind_tables): New decl.
7463 * toplev.c (flag_unwind_table): New definition.
7464 (f_options): Add -funwind-tables.
7465 (decode_g_option): Clarify warning when unknown -g option is given.
7466 (rest_of_compilation): If inside an inlined external function,
7467 pretend we are just being declared.
7469 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7470 (dwarf2out_frame_finish): Likewise.
7472 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7474 * fold-const.c (merge_ranges): If not in0, but in1, handle
7475 upper bounds equal like subset case.
7477 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7479 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7480 passed in a register but moved to the stack.
7482 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7484 * gcc.c (pass_exit_codes, greatest_status): New variables.
7485 (struct option_map): Add entry for "--pass-exit-codes".
7486 (execute): Update greatest_status if error.
7487 (display_help): Add documentation for -pass-exit-codes.
7488 (process_command): Handle -pass-exit-codes.
7489 (main): Look at pass_exit_codes and greatest_status on call to exit.
7491 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7493 * reload.c (find_reloads): Refine test for no input reload
7494 case to not includes reloads emitted after insn.
7496 * function.c (find_temp_slots_from_address): Handle sum involving
7497 a register that points to a temp slot.
7498 (update_temp_slot_address): Make recursive call if both old and
7499 new are PLUS with a common operand.
7500 * calls.c (expand_call): Mark temp slot for result as having
7503 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7505 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7506 component as well as "BINUTILS".
7508 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7509 * integrate.c (copy_rtx_and_substitute): Likewise.
7510 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7511 All callers changed.
7512 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7514 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7515 gdb extensions, write size of type; also be more consistent
7516 in using references when this is a subtype.
7518 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7519 that is out of range.
7521 * loop.c (unknown_constant_address_altered): New variable.
7522 (prescan_loop): Initialize it.
7523 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7524 (invariant_p, case MEM): Remove handling for volatile and readonly;
7525 check new variable if readonly.
7526 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7528 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7529 (addr_affects_sp_p): Removed from note_mem_written and only
7530 define #ifdef AUTO_INC_DEC.
7532 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7534 * regclass.c (record_reg_classes): Properly handle register move
7537 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7538 Don't think valid if both operands are invalid.
7539 (struct constant_descriptor): New field RTL.
7540 (mark_const_hash_entry): Mark it.
7541 (record_constant{,_rtx}): Initialize it.
7542 (output_constant_def): Allocate RTL in permanent obstack and
7544 ({record,compare}_constant_1): Modes must match for
7545 CONSTRUCTOR of ARRAY_TYPE.
7547 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7548 * output.h (initializer_constant_valid_p): Move decl to here.
7549 * c-common.c (initializer_constant_valid_p): Delete function from here.
7550 * varasm.c (initializer_constant_valid_p): Move function to here.
7552 * tree.h (STRIP_SIGN_NOPS): New macro.
7553 * fold-const.c (optimize_minmax_comparison): New function.
7554 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7555 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7556 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7557 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7558 widening conversions.
7559 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7560 to look at size of mode, not precision of type; also add missing cases.
7561 (optimize_bit_field_compare, decode_field_reference): Don't try to
7562 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7564 * dwarf2out.c (ctype.h): Include.
7565 (dwarf2out_set_demangle_name_func): New function.
7566 (size_of_line_info): Deleted.
7567 (output_line_info): Compute size of line info table from difference
7569 (base_type_die, add_name_attribute): Call demangle function, if any.
7570 (field_byte_offset): Use bits per word for variable length fields.
7571 (gen_array_type_die): Add array name.
7572 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7573 (dwarf2out_add_library_unit_info): New function.
7575 * explow.c (set_stack_check_libfunc): New function.
7576 (stack_check_libfunc): New static variable.
7577 (probe_stack_range): Allow front-end to set up a libfunc to call.
7579 * combine.c (simplify_comparison): When making comparison in wider
7580 mode, check for having commuted an AND and a SUBREG.
7581 (contains_muldiv): New function.
7582 (try_combine): Call it when dividing a PARALLEL.
7583 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7584 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7586 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7587 use one of the CLOBBERs instead.
7588 (if_then_else_cond): If comparing against zero, just return thing
7591 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7592 Don't generate shifts and subtract if have conditional arithmetic.
7594 * rtl.h (delete_barrier): New declaration.
7595 * jump.c (jump_optimize): Set up to handle conditional call.
7596 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7597 (delete_barrier): New function.
7599 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7601 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7603 * tree.c (build_type_attribute_variant): Push to obstack of
7604 ttype around type_hash_canon call.
7606 * expr.c (placeholder_list): Move decl to file scope.
7607 (expand_expr): Don't force access to volatile just because its
7609 If ignoring reference operations, just expand the operands.
7610 (expand_expr, case COMPONENT_REF): Propagate
7611 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7612 Refine test for using bitfield operations vs pointer punning.
7613 (expand_expr, case CONVERT_EXPR): If converting to
7614 BLKmode UNION_TYPE from BLKmode, just return inner object.
7615 Use proper mode in store_field call.
7616 Properly set sizes of object to store and total size in store_field
7617 call for convert to union.
7618 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7619 memory (like for ADDR_EXPR). Also, don't put constant in register if
7620 we'll want it in memory.
7621 (readonly_fields_p): New function.
7622 (expand_expr, case INDIRECT_REF): Call it if LHS.
7623 (expand_assignment): Handle a RESULT_DECL where
7624 DECL_RTL is a PARALLEL.
7625 (do_jump, case WITH_RECORD_EXPR): New case.
7626 (get_inner_reference): Always go inside a CONVERT_EXPR
7627 and NOP_EXPR if both modes are the same.
7628 (store_field): Use bitfield operations if size of bitsize is not same
7629 as size of RHS's type.
7630 Check for bitpos not a multiple of alignment in BLKmode case.
7631 Do block move in largest possible alignment.
7632 (store_constructor): Set BITSIZE to -1 for variable size and properly
7633 in case of array of BLKmode.
7634 (expand_expr_unaligned): New function.
7635 (do_compare_and_jump): Call it.
7637 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7638 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7639 does not include 'o'.
7641 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7642 both SET_DEST and SET_SRC reference a virtual register.
7643 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7645 * integrate.c (expand_inline_function): Handle case of setting
7646 virtual stack vars register (from built in setjmp); when parameter
7647 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7648 (subst_constant): Add new parm, MEMONLY.
7649 (expand_inline_function, integrate_parm_decls): Pass new parm.
7650 (integrate_decl_tree): Likewise.
7651 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7652 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7653 (copy_rtx_and_substitute, case SET): Add explicit calls to
7654 copy_rtx_and_substitute for both sides.
7656 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7658 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7659 within INDEX_TYPE, instead of before.
7660 (fixup_gotos): Use f->target_rtl, not the next insn,
7661 since latter may be from a later fixup.
7662 (expand_value_return): Correctly convert VAL when promoting function
7663 return; support RETURN_REG being a PARALLEL.
7664 (expand_return): When checking for result in regs and having
7665 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7667 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7669 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7670 last_nominal_fname): Mark const.
7671 (struct include_hash: name, nshort, control_macro): Mark
7673 (struct macrodef: symnam): Mark const.
7674 (struct if_stack: fname): Mark const.
7675 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7676 (IStable): New character-syntax array which encompasses all
7677 the old is_foo arrays.
7678 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7679 is_space): New macros for interrogating IStable.
7680 (check_macro_name): Kill last argument. All callers changed.
7682 * cppinit.c (initialize_char_syntax): Delete.
7683 (is_idchar, is_idstart, is_hor_space, is_space,
7684 trigraph_table): Delete.
7685 (IStable): New. Initialize with clever macros to avoid
7686 information duplication.
7687 (builtin_array): Table of builtins to get rid of explicit list
7688 in initialize_builtins.
7689 (initialize_builtins): Use builtins_array.
7690 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7691 opts->dollars_in_ident.
7693 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7695 (cpp_parse_expr): Avoid 'format string is not constant'
7696 warning. Use ISGRAPH to identify printable chars.
7697 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7699 (read_and_prescan): Map trigraphs to chars with open-coded
7700 if-else-if-... sequence, not a lookup table.
7701 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7703 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7704 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7705 (check_macro_name): Remove ability to report an invalid
7706 assertion name, which is never used.
7707 (do_line): Constify a couple of char *'s.
7708 * cppmain.c (main): Call cpp_cleanup before returning.
7710 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7712 * ggc.h (struct ggc_statistics): New type.
7713 (ggc_get_size): New function.
7714 (ggc_print_statistics): Likewise.
7715 * ggc-common.c (ggc_stats): New variable.
7716 (ggc_mark_rtx_children): Keep statistics.
7717 (ggc_mark_tree_children): Likewise.
7718 (ggc_print_statistics): New function.
7719 * ggc-page.c (struct globals): Add bytes_mapped field.
7720 (alloc_anon): Update it.
7721 (release_pages): Likewise.
7722 (ggc_get_size): New function.
7723 (ggc_page_print_statistics): New function.
7724 * ggc-simple.c (ggc_get_size): New function.
7726 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7728 * flow.c (propagate_block): When the last reference to a label
7729 before an ADDR_VEC is deleted because the reference is a dead
7730 store, delete the ADDR_VEC.
7732 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7734 * resource.c (find_free_register): Don't use the frame pointer
7735 if frame_pointer_needed.
7737 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7739 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7740 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7742 * config/i960/i960.c (i960_va_start): New locals base, num.
7743 Use INDIRECT_REF instead of ARRAY_REF on valist.
7744 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7746 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7748 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7750 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7752 * tree.def (PLACEHOLDER_EXPR): Update comments.
7754 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7756 * c-common.c (check_format_info): Avoid non-literal format string
7757 warnings when `first_arg_num' is zero.
7759 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7761 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7763 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7765 * arm.md (casesi_insn): Add a clobber of the condition code
7768 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7770 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7771 used by both cc1 and cc1plus.
7773 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7775 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7776 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7777 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7778 to the value 32 if it has not already been defined.
7779 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7780 Override definition in arm.h with a value of 8.
7782 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7784 * c-pragma.c (push_alignment): Don't check the return value
7787 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7789 * sparc.h (ADJUST_COST): Fix thinko.
7791 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7793 * cccp.c (rescan): Fixed obp pointer handling around call to
7794 check_expand subroutine.
7796 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7798 * gcse.c (delete_null_pointer_checks): Only record non-null info
7799 for pseudos when examining stores.
7801 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7802 splitters for these patterns. Use "#" for output templates.
7803 (addsi3_carryin_shift): New pattern.
7805 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7807 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7808 of the function return register into a plain REG until
7809 after function inlining is done.
7811 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7813 * jump.c (jump_optimize_1): If we did cross-jumping, and
7814 the data will matter, rebuild the CFG.
7815 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7816 not optimizing. Don't run shorten_branches.
7817 * toplev.c (rest_of_compilation): Run shorten_branches after
7820 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7822 * rtl.h (note_stores): Add additional paramter.
7823 * rtlanal.c (reg_set_p_1): Take additional paramter.
7824 (reg_set_last_1): Likewise.
7825 (reg_set_p): Adjust call to note_stores.
7826 (reg_set_last): Likewise.
7827 (note_stores): Pass data parameter to worker function.
7828 * alias.c (record_set): Take additional parameter.
7829 (init_alias_analysis): Pass it.
7830 * caller-save.c (mark_set_regs): Take additional parameter.
7831 (save_call_clobbered_regs): Pass NULL to note_stores.
7832 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7834 (record_dead_and_set_regs_1): Likewise.
7835 (reg_dead_at_p_1): Likewise.
7836 (combine_instructions): Adjust calls to note_stores.
7837 (try_combine): Likewise.
7838 (record_dead_insn): Remove.
7839 (record_dead_and_set_regs): Adjust calls to note_stores.
7840 (reg_dead_at_p): Likewise.
7841 * cse.c (invalidate_skipped_set): Take additional parameter.
7842 (cse_check_loop_start): Likewise.
7843 (cse_check_loop_start_value): Remove.
7844 (cse_set_around_loop): Adjust calls to note_stores.
7845 * flow.c (notice_stack_pointer_modification): Take additional
7846 parameter. Remove duplicate declaration.
7847 (record_volatile_insns): Adjust calls to note_stores.
7848 * gcse.c (record_set_info): Take additional parameter.
7849 (record_last_set_info): Likewise.
7850 (invalidate_nonnull_info): Likewise.
7851 (record_set_insn): Remove.
7852 (compute_sets): Adjust calls to note_stores.
7853 (last_set_insn): Remove.
7854 (compute_hash_table): Adjust calls to note_stores.
7855 (insert_insn_end_bb): Likewise.
7856 (delete_null_pointer_checks): Likewise.
7857 * global.c (mark_reg_store): Take additional parameter.
7858 (mark_reg_clobber): Likewise.
7859 (reg_becomes_live): Likewise.
7860 (global_conflicts): Adjust calls to note_stores.
7861 (build_insn_chain): Likewise.
7862 * integrate.c (note_modified_parmregs): Take additional parameter.
7863 (mark_stores): Likewise. Make it static.
7864 (save_for_inline_nocopy): Adjust calls to note_stores.
7865 (try_constants): Likewise.
7866 * integrate.h (mark_stores): Remove declaration.
7867 * jump.c (mark_modified_reg): Take additional parameter.
7868 (thread_jumps): Adjust calls to note_stores.
7869 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7871 (no_equiv): Likewise.
7872 (reg_is_set): Likewise.
7873 (validate_equiv_mem): Adjust calls to note_stores.
7874 (update_equiv_regs): Likewise.
7875 (block_alloc): Likewise.
7876 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7877 (note_addr_stored): Take additional parameter.
7878 (note_set_pseudo_multiple_uses): Likewise.
7879 (record_initial): Likewise.
7880 (prescan_loop): Adjust calls to note_stores.
7881 (strength_reduce): Likewise.
7882 (check_dbra_loop): Likewise.
7883 * regmove.c (flags_set_1): Take additional paramter.
7884 (mark_flags_life_zones): Adjust calls to note_stores.
7885 * reload1.c (mark_not_eliminable): Take additional parameter.
7886 (forget_old_reloads_1): Likewise.
7887 (reload_cse_invalidate_rtx): Likewise.
7888 (reload_cse_check_clobber): Likewise.
7889 (reload_combine_note_store): Likewise.
7890 (move2add_note_store): Likewise.
7891 (reload): Adjust calls to note_stores.
7892 (reload_as_needed): Likewise.
7893 (emit_reload_insns): Likewise.
7894 (reload_cse_regs_1): Likewise.
7895 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7896 (reload_combine): Adjust calls to note_stores.
7897 * resource.c (update_live_status): Take additional paramter.
7898 (mark_target_live_regs): Adjust calls to note_stores.
7899 * stupid.c (find_clobbered_regs): Take additional parameter.
7900 (stupid_life_analysis): Adjust calls to note_stores.
7902 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7904 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7907 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7910 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7911 of the variable arm_structure_size_boundary.
7913 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7915 * alias.c (init_alias_analysis): Allocate reg_known_value and
7916 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7918 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7919 * cse.c (cse_main): Call end_alias_analysis.
7920 * haifa-sched.c (schedule_insns): Likewise.
7921 * local-alloc. (update_equiv_regs): Likewise.
7922 * reload1.c (reload_cse_regs): Likewise.
7924 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7926 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7927 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7928 mapping from MASK_FPU.
7930 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7932 * sparc.md (call): Don't bound structure return size to 0xfff.
7934 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7936 * resource.c (mark_target_live_regs): Check that the target
7937 insn wasn't created after compute_bb_for_insn.
7939 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7941 * ggc-page.c (poison_pages): Don't be overzealous.
7943 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7945 * alias.c: Update comments for ADDRESS.
7946 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7947 it is a local memory reference.
7949 * c-typeck.c (build_function_call): Check that the built-in
7950 function is of class BUILT_IN_NORMAL before trying to recongize
7952 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7953 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7955 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7957 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7959 (pre_gcse): Likewise.
7960 (hoist_expr_reaches_here_p): Likewise.
7961 (hoist_code): Likewise.
7962 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7964 (pre_expr_reaches_here_p_work): ... here.
7965 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7967 (expr_reaches_here_p_work): ... here.
7969 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7971 * resource.c (find_basic_block): Delete.
7972 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7973 (init_resource_info): Call compute_bb_for_insn.
7975 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7977 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7978 with already adjacent blocks, but no fallthru.
7979 (merge_blocks_move_successor_nojumps): Simplify.
7980 (debug_flow_info): New.
7982 * toplev.c (rest_of_compilation): Open jump1 dump file before
7983 jump and close after, as opposed to just using dump_rtl.
7985 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7987 * reload.h (earlyclobber_operand_p): Declare.
7988 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7989 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7990 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7991 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7993 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7994 Richard Henderson <rth@cygnus.com>
7996 * emit-rtl.c (emit_block_insn_before): New.
7997 (emit_block_insn_after): New.
7998 * basic-block.h: Declare them.
8000 * bitmap.h: Protect from multiple inclusion.
8002 * recog.c (scratch_operand): Handle VOIDmode correctly.
8004 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8006 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8007 * function.c (assign_parms): Likewise.
8008 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8010 * reg-stack.c (max_uid): Remove.
8011 (blocks, block_begin, block_end, block_drops_in): Remove.
8012 (block_stack_in, block_out_reg_set, block_number): Remove.
8013 (struct block_info_def, BLOCK_INFO): New.
8014 (enum emit_where): New.
8015 (current_block): New.
8016 (BLOCK_NUM): Remove.
8017 (mark_regs_pat, record_label_references): Remove.
8018 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8020 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8021 (reg_to_stack): Simplified test for existance of fp code. Use
8022 flow.c code. Call shorten_branches after cross-jump opt.
8023 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8024 Return false if the asm doesn't use stack regs. Don't do life
8025 analysis on the asm.
8026 (emit_pop_insn): Replace function pointer arg `when' with
8027 enum `where'. Update all callers.
8028 (change_stack): Likewise. Update basic block end.
8029 (emit_swap_insn): Use current_block->head to limit reverse search
8030 for start of block. Use emit_block_insn_after.
8031 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8032 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8033 structure assignment instead of bcopy.
8035 (convert_regs_entry, convert_regs_exit): New.
8036 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8037 Work on basic blocks and the CFG.
8038 (convert_regs): Use them.
8040 * i386.c (output_fix_trunc): Remove code for DImode input operand
8041 not at top-of-stack.
8042 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8044 (fix_truncdi_1): Allow any mode scratch.
8046 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8048 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8049 * linux.h, netbsd.h, vms.h: Not here.
8051 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8053 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8054 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8055 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8056 CONDITIONAL_REGISTER_USEAGE): Use them.
8057 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8058 gen_conditional_branch,override_options) : Use them.
8059 * config/mips/mips.md : Use them.
8061 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8063 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8065 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8067 * integrate.c (function_cannot_inline_p): Don't allow inlining
8070 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * c-parse.in (cast_expr): Constify.
8074 * cccp.c (special_symbol): Likewise.
8076 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8078 * dwarf2out.c (base_type_die): Likewise.
8080 * global.c (allocno_compare): Likewise.
8082 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8084 * regclass.c (fix_register): Likewise.
8086 * rtl.h (fix_register): Likewise.
8088 * stupid.c (stupid_reg_compare): Likewise.
8090 * toplev.c (decode_f_option): Likewise.
8092 * tree.c (build_complex_type): Likewise.
8094 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8096 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8098 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8100 * reload.c (find_reloads): Compute mode and nregs fields of all
8102 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8103 (calculate_needs): Use precomputed mode/nregs values.
8104 (allocate_reload_reg): Likewise.
8106 (failed_reload, set_reload_reg): ... new functions.
8107 (choose_reload_regs_init): New function, mostly broken out from...
8108 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8109 Also lose one #if 0 block.
8111 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8113 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8116 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8118 * tree.h (BLOCK_TYPE_TAGS): Remove.
8119 (BLOCK_END_NOTE): Likewise.
8120 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8121 (BLOCK_LIVE_RANGE_START): Likewise.
8122 (BLOCK_LIVE_RANGE_END): Likewise.
8123 (tree_block): Remove live_range_flag, live_range_var_flag, and
8124 type_tags. Remove end_note, live_range_start, and live_range_end.
8125 (remember_end_note): Remove prototype.
8126 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8127 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8129 * ggc-common.c (ggc_mark_tree_children): Don't mark
8130 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8131 * integrate.c (adjust_copied_decl_tree): Remove.
8132 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8133 * stmt.c (last_block_end_note): Remove.
8134 (init_stmt): Don't add a GC root for it.
8135 (expand_fixup): Don't set it.
8136 (remember_end_note): Remove.
8137 (expand_end_bindings): Don't set last_block_end_note.
8139 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8141 * reload1.c (reload_reg_free_for_value_p): Show
8142 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8145 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8147 * expmed.c (extract_bit_field): Allow for the case of non-integer
8148 objects that are smaller than a word (like SFmode on a 64-bit
8151 * loop.c (basic_induction_var): A non-integer variable which is
8152 being set by a paradoxical subreg is probably not a biv.
8154 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8156 * prefix.c (translate_name) Check for empty prefix string.
8158 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8160 * Makefile.in (CPP_CROSS_NAME): New variable.
8161 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8163 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8164 names of the files to be uninstalled.
8166 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8168 * collect2.c (IS_DIR_SEPARATOR): Define.
8169 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8171 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8174 * haifa-sched.c (add_dependence): Update the true dependency
8175 cache the first time we add a true dependence to the LOG_LINKS chain.
8177 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8179 * fold-const.c (fold): Fix comment.
8181 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8183 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8184 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8185 dbxout_start_new_source_file, dbxout_source_file,
8186 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8187 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8189 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8190 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8191 (dbxout_block): Initialize variable `blocknum'.
8193 * dbxout.h (dbxout_init, dbxout_finish,
8194 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8195 dbxout_args, dbxout_source_line): Constify a char*.
8197 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8198 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8199 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8200 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8201 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8202 src_info_attribute, mac_info_attribute, producer_attribute,
8203 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8204 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8205 dwarfout_undef): Constify a char*.
8206 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8208 * dwarfout.h (dwarfout_define, dwarfout_undef,
8209 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8211 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8213 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8214 (MULTILIB_ISA_DEFAULT): New.
8215 (MULTILIB_DEFAULTS): Use it.
8216 * config/mips/mips.c (): Remove the now unnecessary definition
8217 of MIPS_ISA_DEFAULT.
8218 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8219 unnecessary definition.
8221 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8223 * arm.md (pic_load_addr): Add constraints to operand 1.
8225 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8227 * fixinc/genfixes: Provide a means for specifying -D options to
8230 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8232 * arm.c (arm_override_options): Correct initialization of
8233 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8234 arm_is_strong, and arm_is_6_or_7.
8236 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8237 (note_set_pseudo_multiple_uses): New function.
8238 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8239 if a pseudo set in the loop exit is used elsewhere.
8241 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8243 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8245 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8247 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8248 a single load-address pattern.
8250 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8252 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8253 depending on whether or not line-number notes are present.
8255 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8257 * cccp.c (progname, file_buf, default_include, include_file,
8258 macrodef, definition, hashval, wchar_type, user_label_prefix,
8259 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8260 expand_to_temp_buffer, is_system_include, base_name,
8261 absolute_filename, read_name_map, open_include_file,
8262 record_control_macro, check_precompiled, check_preconditions,
8263 pcfinclude, pass_thru_directive, create_definition,
8264 check_macro_name, comp_def_part, collect_expansion,
8265 check_assertion, read_token_list, assertion_install,
8266 assertion_lookup, eval_if_expression, conditional_skip,
8267 validate_else, skip_quoted_string, quote_string, macarg1,
8268 error_from_errno, install, lookup, hashf, dump_defn_1,
8269 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8270 check_white_space, rescan, handle_directive, monthnames,
8271 special_symbol, do_include, remap_include_file, write_output,
8272 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8273 do_ident, do_sccs, do_xifdef, skip_if_group,
8274 output_line_directive, macroexpand, macarg, change_newlines,
8275 initialize_builtins, make_definition): Constify a char*.
8277 * pcp.h (stringdef): Likewise.
8279 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8281 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8284 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8285 Richard Henderson <rth@cygnus.com>
8287 * alias.c: Include ggc.h.
8288 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8289 (record_set): Verify enough room in reg_base_value.
8290 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8291 Register it as a GC root.
8292 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8293 * Makefile.in (alias.o): Depend on ggc.h.
8295 * unroll.c (unroll_loop): Verify the insn before a barrier
8296 is a JUMP_INSN before checking JUMP_LABEL.
8298 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8300 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8301 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8302 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8303 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8304 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8305 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8307 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8309 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8311 * alpha/alpha-interix.h (text_section): Delete prototype.
8312 * alpha/elf.h (text_section): Likewise.
8313 * arm/linux-elf.h (text_section): Likewise.
8314 * arm/linux-telf.h (text_section): Likewise.
8315 * c4x/c4x.h (text_section): Likewise.
8316 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8317 * elfos.h (text_section): Likewise.
8318 * i386/aix386ng.h (text_section): Likewise.
8319 * i386/i386-interix.h (text_section): Likewise.
8320 * i386/sco5.h (text_section): Likewise.
8321 * i386/svr3gas.h (text_section): Likewise.
8322 * nextstep.h (text_section): Likewise.
8323 * psos.h (text_section): Likewise.
8324 * ptx4.h (text_section): Likewise.
8325 * svr3.h (text_section): Likewise.
8326 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8328 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8330 * final.c (peephole): Delete prototype.
8332 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8333 (pre_insert_copies): Remove unused variable `bb'.
8335 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8338 * output.h (peephole): Add prototype.
8340 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8342 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8345 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8347 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8348 for inlined declarations.
8350 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8352 * arm.c (logical_binary_operator): New fucntion.
8353 * arm.h (logical_binary_operator): Declare it.
8354 (PREDICATE_CODES): Handle logical_binary_operator.
8355 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8356 output constraints. Add appropriate splitters.
8357 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8358 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8359 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8361 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8363 * genoutput.c (struct operand_data): New elt eliminable.
8364 (output_operand_data): Write it.
8365 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8366 (compare_operands): Take it into account.
8367 * recog.h (struct insn_operand_data): New elt eliminable.
8368 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8370 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8371 (eliminate_regs): Move code that detects changes to elimination
8372 target regs into new function elimination_effects.
8373 Delete one #if 0 block.
8374 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8375 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8376 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8377 Only call eliminate_regs for real operands of the insn, not for parts
8378 of its structure or parts matched by things like match_operator.
8379 Use elimination_effects and check_eliminable_occurrences. Use
8380 copy_insn to duplicate the pattern when not in the final pass.
8382 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8384 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8387 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8389 * fixinc/README: document the "mach" machine matching test
8390 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8391 * fixinc/fixtests.c: Implement the #else/#endif label test
8392 * fixinc/inclhack.def: utilize these tests and fixes
8393 * fixinc/inclhack.sh: regen
8394 * fixinc/fixincl.x: regen
8395 * fixinc/fixincl.sh: regen
8397 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8399 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8402 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8404 * gcc.1: Document exit codes.
8406 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8408 * calls.c: Include tm_p.h later, so everything we need is defined.
8410 * function.c: Likewise.
8412 * except.c: Include tm_p.h.
8414 * sparc.c: Likewise.
8415 (dwarf2out_cfi_label): Don't prototype.
8416 (check_return_regs, epilogue_renumber,
8417 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8418 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8419 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8420 ultra_schedule_insn): Add static prototype.
8421 (data_segment_operand, text_segment_operand): Call itself with the
8422 proper number of arguments.
8423 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8425 * sparc.h: Move all declarations to sparc-protos.h.
8426 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8429 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8431 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8433 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8434 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8435 ASM_OUTPUT_ASCII): Constify a char*.
8437 * sparc-protos.h: New file for sparc prototypes.
8439 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8441 * function.c (record_insns, contains): Always declare and define.
8442 (record_insns): Mark with ATTRIBUTE_UNUSED.
8444 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8446 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8447 to .section when outputting a .bss section to deal with multiple
8448 .bss input sections (as happens with -fdata-sections)
8449 Also output %progbits, not @progbits so the assembler doesn't treat as
8451 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8453 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8454 thumb parts even when building with non-thumb CPUs, by forcing
8457 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8459 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8460 (movdf_const_intreg_sp64): Similarly.
8462 * local-alloc.c (update_equiv_regs): Check the correct insn
8463 for pre-existing REG_EQUIV notes.
8465 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8467 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8468 block reached by a branch if we're not going to actually process
8471 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8473 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8474 a local extern function declaration.
8476 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8478 * i386.c (ix86_expand_prologue): Properly wrap USE around
8479 reg for CALL_INSN_FUNCTION_USAGE.
8481 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8483 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8484 move between GP_REGs.
8486 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8488 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8489 the mode size when finding out if an offset is legal.
8491 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8493 * basic-block.h (PROP_*): Move constants from ...
8495 (compute_bb_for_insn): Free the array before reallocating.
8496 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8497 (allocate_reg_life_data): Reset all reg variables collected by
8499 (get_block_head_tail): Don't convert from bb to block.
8500 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8501 (find_insn_reg_weight): Take block not bb.
8502 (schedule_block): Don't set block num for moved insns.
8503 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8504 (schedule_insns): Do it here instead.
8505 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8506 before update_life_info.
8507 * recog.c (split_all_insns, peephole2_optimize): Update for
8508 new arg to update_life_info.
8509 * rtlanal.c (remove_note): Cope with NULL note.
8510 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8513 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8515 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8517 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8518 block records so that merge_blocks_nomove will clean up correctly.
8519 (split_edge): Handle casesi insns.
8521 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8523 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8525 * pa.md (call, call_value): Do not emit a blockage after restoring
8528 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8530 * c-typeck.c (c_expand_asm_operands): Fix typo.
8532 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8534 * arm.c (fpu_rhs_operand): Verify modes.
8535 (fpu_add_operand): Likewise.
8536 (di_operand): Likewise.
8537 (soft_df_operand): Likewise.
8539 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8541 * arm.c (arm_return_in_memory): APCS rules state that the elements
8542 of a structure returned in a register must be 'integer-like'.
8544 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8546 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8547 in the source tree when the generated targets are out of date
8548 * fixinc/genfixes: Alter it to run individual fixes for make.
8549 * fixinc/README: rewrite
8550 * fixinc/inclhack.def: moved initial comments to README
8552 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8554 * toplev.c (main): Do not generate an error message if an
8555 unrecognised command line switch is recognisable by another
8556 language. If extra_warnings are enabled, then generate a
8557 warning message instead.
8559 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8561 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8562 (insert_pack_attributes): Delete prototype.
8564 * c-pragma.c (default_alignment): New static variable.
8565 (push_alignment): Initialize to current effective alignment.
8566 (pop_alignment): Use to set new alignment.
8567 (insert_pack_attributes): Delete function.
8568 (handle_pragma_token): Set default_alignment as well each time
8569 a #pragma pack(<n>) is encountered.
8571 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8573 * reg-stack.c (stack_result): Aggregates are not returned in
8576 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8578 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8580 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8582 * basic-block.h (set_block_num): Declare.
8583 * flow.c (update_life_info): Don't call compute_bb_for_insn
8584 or free_basic_block_vars.
8585 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8586 (insn_orig_block): Remove.
8587 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8588 (schedule_block): Keep BLOCK_NUM up-to-date.
8589 (schedule_insns): Use compute_bb_for_insn.
8590 * recog.c (split_all_insns): Likewise.
8591 (peephole2_optimize): Likewise.
8593 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8595 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8596 if the pic register is used.
8598 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8600 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8601 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8602 if that tests TREE_PERMANENT.
8604 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8606 * cse.c (invalidate_for_call): Do not remove memory references from
8607 the table here. It's handled elsewhere.
8609 * haifa-sched.c (add_dependence): Protect references to the
8610 true dependency cache with #ifdef INSN_SCHEDULING.
8611 (remove_dependence): Similarly.
8613 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8614 to the cfg code that this is a return instruction.
8615 * mn10300.md (return_internal): Similarly.
8617 * combine.c (get_last_value): If the last set of a register
8618 is after subst_low_cuid, then we can not use it to determine
8619 the register's last value.
8621 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8623 * Makefile.in: Back out previous change.
8625 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8627 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8629 * haifa-sched.c (add_dependence): Only check/update the cache
8631 (remove_dependence): Likewise.
8632 (schedule_insns): Only create the true_dependency_cache if the
8633 average number of instructions in a basic block is very large.
8635 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8637 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8638 (ggc-simple.o): Likewise.
8639 (ggc-page.o): Likewise.
8641 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8643 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8644 Prototype for exported functions.
8645 (pre_lcm, pre_rev_lcm): Remove prototypes.
8646 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8647 (compute_available): Move to lcm.c, and change parameter order.
8648 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8649 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8650 (gcse_main): No longer call compute_preds_succs. Rebuild the
8651 set table after reach pre pass.
8652 (pre_insert_map, pre_delete_map, edge_list): New.
8653 (alloc_pre_mem): Allocate edge vectors.
8654 (free_pre_mem): Delete edge vectors.
8655 (compute_pre_data): Call new edge based lcm routines.
8656 (process_insert_insn): New function.
8657 (insert_insn_end_bb): Use it.
8658 (pre_edge_insert): New function.
8659 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8661 (pre_insert_copies): Revamp using new edge based lcm outputs.
8662 (pre_delete): Likewise.
8663 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8665 (compute_code_hoist_vbeinout): New new edge based routines.
8666 * lcm.c: Remove all the old LCM functions. Replace with new ones
8667 that work with the new cfg datastructures and work with edges
8670 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8672 * reload.h (struct reload): Add new fields "mode" and "nregs".
8673 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8674 to reference the "mode" and "nregs" field within struct reload.
8676 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8678 * haifa-sched.c (true_dependency_cache): New.
8679 (add_dependence): Use the true dependency cache to avoid expensive
8680 walks down the LOG_LINKS dependency list. Add entries to the
8682 (remove_dependence): Remove entries from the true dependency cache
8684 (schedule_insns): Allocate and initialize and free the true
8687 * haifa-sched.c (schedule_insns): Do not remove inter-block
8688 dependencies anymore.
8690 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8692 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8693 * i386/t-winnt: Likewise.
8695 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8697 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8699 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8701 * Makefile.in (LANGUAGES): Omit "proto".
8702 (clean): Remove stale comment about removing unprotoize.c.
8704 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8706 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8707 using arithmetic on void pointers.
8709 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8711 * haifa-sched.c (compute_block_forward_dependencies): Only check
8712 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8714 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8716 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8717 (expr_equiv_p): Reject memories with different alias sets.
8719 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8721 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8722 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8723 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8724 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8725 (lang_init): Set default for flag_bounds_check if still "unspecified".
8727 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8729 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8731 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8733 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8736 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8738 * config/c4x/c4x.md (*db_noclobber,
8739 *decrement_and_branch_until_zero_noclobber): New patterns and
8740 associated splitters.
8742 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8744 * config/c4x/c4x.md (parallel instruction patterns): Rework
8745 constraints to keep reload happy.
8747 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8749 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8750 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8751 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8752 Add new patterns and associated post-reload splitters.
8754 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8756 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8758 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8760 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8762 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8764 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8766 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8769 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8771 * pa.c (move_operand): Rely on memory_address_p to determine the
8772 validity of non-indexed memory addresses.
8773 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8774 operand in DFmode and SFmode when generating PA2.0 code.
8776 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8778 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8780 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8782 * mips.c (function_prologue): Fix argument types.
8783 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8784 (casesi_internal): Write to the scratch register.
8786 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8788 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8790 (parse_charconst): Delete unnecessary cast when calling
8792 (cpplib.h): Kill prototype of cpp_parse_escape.
8794 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8796 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8797 * unroll.c (unroll_loop): Cast return value of alloca.
8798 * i370/i370.c: Include function.h and toplev.h.
8799 (i370_label_scan): Remove c++ commented abort.
8800 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8801 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8802 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8803 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8805 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8807 * config/t-freebsd: Do not override USER_H.
8808 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8810 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8811 Mumit Khan <khan@xraylith.wisc.edu>
8813 * c-parse.in (component_decl): Support anonymous struct/union.
8815 * c-parse.y: Regenerate.
8816 * c-parse.c: Likewise.
8817 * objc/objc-parse.y: Likewise.
8818 * objc/objc-parse.c: Likewise.
8819 * c-decl.c (finish_struct): Don't sort the fields.
8820 (field_decl_cmp): Delete unused function.
8822 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8824 * sparc.md (movsf_const_intreg): Revert last constraint change.
8825 (movdf_const_intreg_sp32): Likewise.
8827 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8829 * cse.c: Include hashtab.h instead of splay-tree.h
8830 (struct cse_reg_info): No longer use variant union. Add new
8831 field "regno". All references changed to avoid union.
8832 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8833 (free_cse_reg_info): Remove.
8834 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8835 (get_cse_reg_info): Revamp to use expandable hash tables instead
8836 of splay trees. Initialize new fields in cse_reg_info structure.
8837 (new_basic_block): Similarly.
8839 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8841 * genrecog.c (message_with_line): Prototype.
8842 (validate_pattern): Pass along the set for the dest, not a flag.
8843 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8844 Check for PC/CC0 as sources.
8845 (nodes_identical): Check for children position match before
8846 allowing the combination.
8848 * rtl.c (read_rtx): Track line number across \\\n.
8850 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8852 * mips.h (SPECIAL_MODE_PREDICATES): New.
8853 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8854 (movdi+1, movsi+1): Add output reload constraint.
8855 (casesi_internal): Likewise. Fix commentary.
8856 (return_internal): Use pmode_register_operand.
8858 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8860 * 1750a.md (movstrqi): Add missing output reload constraint.
8861 (call_value): Likewise.
8862 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8863 (jmpfdec): Add missing inout reload constraint.
8864 * elxsi.md (addsi patterns): Add missing output reload constraint.
8865 (move from sp): Use @ alternates.
8866 (call_value): No constraint on output.
8867 * fr30.md (movsi_pop): Add missing output reload constraint.
8868 (movsf_constant_store): Likewise.
8869 (splits): Remove constraints.
8870 (subsi3): Add missing mode.
8871 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8872 (call_value): Likewise.
8873 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8874 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8875 * m32r.md (movsicc_internal): Add output reload constraint.
8876 (movstrsi_internal): Add inout reload constraints.
8877 * m88k.h (reg_names): Don't declare.
8878 (SPECIAL_MODE_PREDICATES): New.
8879 * m88k.md (*): Use register_operand not reg_or_0_operand
8881 * mn10200.h (PREDICATE_CODES): New.
8882 * ns32k.md (ffs pattern): Add output reload constraint.
8883 * pdp11.md (sob pattern): Add inout reload constraint.
8884 * sh.md (splits): Remove constraints.
8885 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8886 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8887 * vax.md (jgequ pattern): Add inout reload constraint.
8889 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8891 * configure.in (djgpp): Revert previous patch.
8892 * configure: Rebuit.
8893 * config/i386/djgpp.h: Revert previous patch.
8895 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8897 * fixinc/inclhack.def: Restore patch lost during last merge of
8898 "no_bogosity" branch.
8899 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8901 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8903 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8904 * fixinc/inclhack.def: Same.
8905 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8907 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8909 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8910 as the base of a PLUS.
8912 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8914 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8915 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8917 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8919 * pa.md (post_stw+1): Use pmode_register_operand.
8920 (dcacheflush, icacheflush): Likewise.
8922 * i386.md (movstricthi_1): Allow r/r.
8924 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8926 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8927 to (not (and (arg0) (arg1))). Similary for and.
8929 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8930 fallthrough to associate code.
8931 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8934 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8935 no bits in common; remove XOR to ROTATE conversion.
8937 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8939 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8941 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8943 * config/c4x/c4x.c (dst_operand): New.
8944 (PREDICATE_CODES): Update.
8945 * config/c4x/c4x.h (dst_operand): Declare it.
8946 * config/c4x/c4x.md: Define mode for each unspec usage.
8947 (move patterns): Use dst_operand predicate instead of src_operand.
8948 (movqi_update, movqf_update): Delete.
8950 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8952 * recog.c (pmode_register_operand): New.
8953 * recog.h: Declare it.
8954 * genrecog.c (pred_codes): Likewise.
8955 (special_mode_pred_table): Likewise.
8956 (validate_pattern): Don't warn no mode for address_operand.
8958 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8959 if the operand is not insn-like.
8961 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8962 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8964 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8966 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8968 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8969 instead of general_operand in a SET_DEST. Use const_double_operand
8970 instead of an explicit test against CONST_DOUBLE.
8971 (movsf_const_lo): Add missing register mode.
8972 (goto_handler_and_restore): Add auxiliary test for Pmode.
8973 (flush): Adjust to use address_operand.
8974 (return_sf_no_fpu): Add missing output constraint.
8976 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8978 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8979 for call return value.
8980 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8982 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8984 * toplev.c (main): Only warn about options for other languages.
8985 * collect2.c (main): Pass -w to sub-gcc.
8987 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8989 * flow.c (propagate_block): Add call-clobbered registers to
8992 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8993 zapping mem_set_list.
8994 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8995 (mark_set_1, mark_used_regs): Likewise.
8997 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8999 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9001 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9003 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9004 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9005 options. Also add a new item "C-only Warning Options" to the
9008 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9010 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9011 from multiple calls.
9013 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9015 * i386.md (call value patterns): Move to the end of the file.
9016 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9018 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9020 * configure.in (djgpp configuration): Define extra_objects..
9021 * configure: Rebuilt.
9022 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9023 (DTORS_SECTION_ASM_OP): Define.
9024 (INIT_SECTION_ASM_OP): Define.
9025 (FINI_SECTION_ASM_OP): Define.
9026 (DATA_SECTION_ASM_OP): Define.
9027 (TEXT_SECTION_ASM_OP): Define.
9028 (EH_FRAME_SECTION_ASM_OP): Define.
9029 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9030 (STARTFILE_SPEC): Add crtbegin.o.
9031 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9032 to here from LINK_COMMAND_SPEC.
9033 (DO_GLOBAL_CTORS_BODY): Define.
9034 (CRTSTUFF_USE_FINI_SECTION): Define
9035 (HAS_INIT_SECTION): Delete.
9037 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9039 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9041 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9043 * pa.h (PREDICATE_CODES): New.
9045 * genrecog.c (validate_pattern): Condense the destination
9048 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9050 * alpha.md (call-1): Supply missing mode for operator.
9051 (*): Add missing output reload constraints. Remove constraints
9054 * i386.h (SPECIAL_MODE_PREDICATES): New.
9055 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9056 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9057 (addsi_lea_3): Add missing mode for op 3.
9058 (prologue_set_got, prologue_get_pc): Add missing modes.
9059 (*) Add missing output reload constraints.
9061 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9063 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9064 check for member bit-size overflow and use var_size if it occurs.
9065 (layout_record): Use bitsize_int() to define the type size in bits.
9066 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9067 (layout_decl): Likewise when assigning to DECL_SIZE.
9069 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9071 * genrecog.c (validate_pattern): Typo last change. Verify
9072 that output operands have output reloads.
9074 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9076 * genrecog.c (special_mode_pred_table): New.
9077 (NUM_SPECIAL_MODE_PREDS): New.
9078 (find_operand): New.
9079 (validate_pattern): New argument `insn'. Warn for assignment to
9080 any predicate accepting non-lvalues. Conditionaly warn for
9081 match_operand without a mode. Try much harder to match source
9082 and destination modes on a set.
9083 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9085 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9087 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9089 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9091 * combine.c (simplify_logical): Recognize xor pattern that encodes
9094 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9096 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9099 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9101 * ggc-page.c (MAP_FAILED): Provide default.
9103 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9105 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9106 * sparc.h (PREDICATE_CODES): Update.
9108 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9110 * alpha.c (some_ni_operand): New.
9111 * alpha-protos.h: Declare it.
9112 * alpha.h (PREDICATE_CODES): Update.
9113 * alpha.md (sXaddq reload insns): Use some_ni_operand
9114 for SET_DEST instead of some_operand.
9116 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9117 Jim Wilson <wilson@cygnus.com>
9119 * genrecog.c (maybe_both_true_2): Don't compare modes of
9121 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9122 after find_afterward.
9123 (debug_decision_1): Dump next and afterward codes.
9125 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9127 * rtl.c (dump_and_abort): Remove.
9128 (fatal_with_file_and_line): New.
9129 (fatal_expected_char): New.
9130 (read_rtx_lineno, read_rtx_filename): New.
9131 (read_skip_spaces): Track line number.
9132 (read_name): Use fatal_with_file_and_line.
9133 (read_rtx): Use fatal_expected_char. Track line number.
9134 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9136 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9137 if it isn't a CODE_LABEL.
9139 * genattr.c (main): Set read_rtx_filename.
9140 * genattrtab.c (main): Likewise.
9141 * gencodes.c (main): Likewise.
9142 * genconfig.c (main): Likewise.
9143 * genemit.c (main): Likewise.
9144 * genextract.c (main): Likewise.
9145 * genflags.c (main): Likewise.
9146 * genopinit.c (main): Likewise.
9147 * genoutput.c (main): Likewise.
9148 * genpeep.c (main): Likewise.
9150 * genrecog.c (decision_test.u.insn): Add `lineno'.
9151 (pattern_lineno, error_count): New variables.
9152 (message_with_line): New.
9153 (add_to_sequence): Break out checking code to ...
9154 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9155 (merge_insn): Use message_with_line.
9156 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9157 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9159 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9161 * expr.c (store_constructor): Clear union if constructor is empty.
9163 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9165 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9166 Add !endian checks. Change %{...} to %(...).
9168 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9170 * i386.md (*addsi3_cc): Renamed from addcsi3.
9171 (*addsi3_carry): Renamed from addxsi3.
9172 (*subsi3_cc): Renamed from subcsi3.
9173 (*subsi3_carry): Renamed from subxsi3.
9174 (*xorqi_cc_1): Renamed from xorcqi_1.
9175 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9176 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9178 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9180 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9181 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9183 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9185 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9186 climb up the chain of insns.
9188 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9190 * genrecog.c (write_subroutine): Careful for null trees.
9191 (process_tree): Don't elide empty functions.
9193 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9195 * Makefile.in (genrtl.o): Depend on ggc.h.
9196 * configure.in (valloc): Probe for it.
9197 (with-gc): Use ggc-page if valloc present.
9198 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9199 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9200 (ggc_alloc_string): Moved from ggc-page.c.
9201 * ggc-none.c (ggc_alloc_obj): New.
9202 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9203 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9204 (struct globals): Likewise for dev_zero_fd.
9205 (init_ggc): Likewise for it's initialization.
9206 (ggc_allocated_p): Move careful dereference from ...
9207 (ggc_lookup_page_table): ... here. Delete.
9208 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9209 (alloc_anon): Use valloc if no mmap.
9210 (release_pages): Use free if using valloc.
9211 (ggc_alloc_obj): Renamed from alloc_obj.
9212 (ggc_set_mark): Renamed from mark_obj.
9213 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9214 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9215 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9216 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9217 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9218 (ggc_collect): Use fp printing instead of our own rounding.
9219 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9220 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9221 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9222 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9223 (struct ggc_string, struct ggc_any): Delete.
9224 (offsetof): Provide default definition.
9225 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9227 (struct ggc_mem): New, from corpse of ggc_any.
9228 (struct ggc_status): Delete.
9229 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9230 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9231 (n_strings_collected, n_anys_collected): Delete.
9232 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9233 (ggc_alloc_string, ggc_alloc): Delete.
9234 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9235 (ggc_free_string, ggc_free_any): Delete.
9236 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9237 (ggc_compare_addresses, ggc_mark_string): Delete.
9238 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9239 (search_data): Delete.
9240 (struct globals): New.
9241 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9242 (tree_insert, tree_lookup): New.
9243 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9244 (clear_marks, sweep_objs): New.
9245 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9246 (init_ggc): Set allocated_last_gc.
9247 (ggc_push_context): Gut. Use G.context.
9248 (ggc_pop_context): Likewise.
9249 (ggc_pop_context_1): New.
9250 (debug_ggc_tree): New.
9251 (debug_ggc_balance, tally_leaves): New.
9252 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9253 (ggc_mark_string_if_gcable): Remove decl.
9254 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9255 (ggc_mark_rtvec_children): New.
9256 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9257 (ggc_mark_if_gcable): New decl.
9258 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9259 (ggc_alloc_tree, ggc_alloc): Likewise.
9260 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9261 (ggc_alloc_obj): New decl.
9262 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9263 (ggc_alloc_tree, ggc_alloc): Likewise.
9264 (ggc_set_mark): New decl.
9265 * rtl.h (struct rtx_def): Remove gc_mark.
9266 (struct rtvec_def): Likewise.
9267 * tree.h (struct tree_common): Likewise.
9269 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9271 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9272 float_format and thread_file definitions.
9273 * configure: Rebuilt.
9275 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9277 * extend.texi (Function Names): Document types of function names.
9279 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9281 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9282 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9284 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9286 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9288 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9290 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9292 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9294 * collect2.c (main): Do prelimnary link on AIX if rflag.
9296 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9298 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9299 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9301 (__do_global_dtors): similarly for __DTOR_LIST__.
9303 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9304 Diego Novillo <dnovillo@cygnus.com>
9306 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9309 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9311 * fixincl/*: Merged "no_bogosity" branch
9312 * fixincl/fixlib.h: protect against doubly defining t_bool
9313 * fixincl/server.h: protect against doubly defining t_bool
9315 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9317 * genoutput.c: Include toplev.h.
9319 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9321 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9323 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9324 * configure: Regenerate.
9326 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9328 * gcse.c (delete_null_pointer_checks): Returns void.
9330 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9332 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9333 * emit-rtl.c (copy_insn_1): Likewise.
9335 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9337 * config/mips/mips.c (mips_build_va_list): Correct
9338 TREE_CHAIN setting when hard-float.
9339 (mips_va_start): Use corrected setting.
9340 (mips_va_arg): Likewise. Also pass a tree to build of
9341 POSTINCREMENT_EXPR rather than a naked 'int'.
9343 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9345 * ggc.h (ggc_push_context): Fix comment.
9346 (ggc_pop_context): Likewise.
9347 (mark_string_if_gcable): Likewise.
9348 * ggc-common.c (ggc_mark_rtx_children): Use
9349 ggc_mark_string_if_gcable.
9350 * ggc-page.c (ggc_lookup_page_table): New function.
9351 (ggc_allocated_p): Likewise.
9352 (mark_obj): Fix formatting.
9353 (ggc_mark_string_if_gcable): New function.
9354 * ggc-simple.c (ggc_allocated_strings): New variable.
9355 (ggc_strings_used): Likewise.
9356 (ggc_compare_addresses): New function.
9357 (ggc_pop_context): Pop the `any' memory too.
9358 (ggc_mark_string_if_gcable): New function.
9359 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9361 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9363 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9364 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9365 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9368 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9370 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9371 (sched_reg_live_length, sched_reg_basic_block): Delete.
9372 (current_block_num, bb_live_regs, old_live_regs): Delete.
9373 (dead_notes, struct sometimes): Delete.
9374 (sched_note_set, birthing_insn_p): Delete.
9375 (adjust_priority): Gut useless reg lifetime code.
9376 (create_reg_dead_note, attach_deaths): Delete.
9377 (attach_deaths_insn, new_sometimes_live): Delete.
9378 (finish_sometimes_live): Delete.
9379 (find_pre_sched_live, find_post_sched_live): Delete.
9380 (update_reg_usage): Delete.
9381 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9382 (schedule_insns): Delete reg lifetime code.
9383 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9384 (unlink_other_notes): Adjust REG_NOTE commentary.
9385 (reemit_notes): Use REG_SAVE_NOTE.
9386 (schedule_block): Likewise.
9387 (schedule_region): Allocate bitmap of blocks in region. Use
9388 count_or_remove_death_notes. Use update_life_info.
9390 * rtl.h (REG_SAVE_NOTE): New.
9391 * rtl.c (reg_note_name): Update.
9393 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9395 * combine.c (refresh_blocks, need_refresh): New.
9396 (combine_instructions): Allocate refresh_blocks. Invoke
9397 update_life_info if needed.
9398 (distribute_notes): Mark refresh_blocks instead of installing
9400 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9401 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9403 * Makefile.in (recog.o): Depend on basic-block.h.
9405 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9407 * genrecog.c (add_to_sequence): Thinko last change: delete
9408 shadowing allow_const_int variable.
9410 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9412 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9413 __GNUC__ and __GNUC_MINOR__.
9415 * gansidecl.h: Likewise.
9421 * toplev.h: Likewise.
9427 * varray.c: Likewise.
9429 * varray.h: Likewise.
9431 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9433 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9434 use one before a jump table.
9436 * rtl.def (ADDRESS): Change documentation to match reality.
9437 * md.texi: Don't document it.
9438 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9441 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9443 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9445 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9446 known predicate block; default allow_const_int true.
9447 (debug_decision_list): New.
9449 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9451 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9453 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9455 * gcse.c (gcse_main): Avoid global optimizations if we have a
9456 large number of basic blocks and the ratio of edges to blocks
9458 (delete_null_pointer_checks): Likewise.
9460 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9462 * c-common.c (check_format_info): Warn if format string isn't a
9465 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9467 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9468 * configure: regenerate
9470 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9472 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9473 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9474 (peepholes): Re-enable.
9476 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9478 * Makefile.in (flow.o): Depend on TREE_H.
9479 * basic-block.h (REG_SET_EQUAL_P): New.
9482 (free_regset_vector): Remove declaration.
9483 (flow_delete_insn_chain): Declare.
9484 (enum update_life_extent): New.
9485 (update_life_info, count_or_remove_death_notes): Declare.
9486 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9487 Verify register live at bb->global_live_at_start before adding USE.
9488 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9489 (CLEAN_ALLOCA): New.
9491 (PROP_*): New flags.
9492 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9493 (clear_edges): Zero n_edges.
9494 (make_edge): Increment n_edges.
9495 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9496 (flow_delete_insn_chain): Export.
9497 (delete_block): Decrement n_edges.
9498 (merge_blocks_nomove): Likewise.
9499 (life_analysis): Give life_analysis_1 PROP flags.
9500 (verify_wide_reg_1, verify_wide_reg): New.
9501 (verify_local_live_at_start): New.
9502 (update_life_info): Rewrite to call into propogate_block.
9504 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9505 always mark stack pointer. Conditionally mark PIC register.
9506 After reload, mark call-saved registers, return regsiters.
9507 (life_analysis_1): Accept PROP flags not remove_dead_code.
9508 Call mark_regs_live_at_end before zeroing regs_ever_live.
9509 Use calculate_global_regs_live. Copy global_live_at_end before
9510 calling final propagate_block. Zero reg_next_use on exit.
9511 (calculate_global_regs_live): New.
9512 (allocate_bb_life_data): Don't allocate bb->local_set.
9513 (init_regset_vector, free_regset_vector): Remove.
9514 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9515 Test flags before every operation. Warn if prologue/epilogue insn
9516 would have been deleted.
9517 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9518 Use alloc_EXPR_LIST.
9519 (mark_used_regs): Accept and use FLAGS, not FINAL.
9520 Remove special handling for RETURN.
9521 (try_pre_increment): Use alloc_EXPR_LIST.
9522 (dump_flow_info): Dump n_edges.
9523 (unlink_insn_chain, split_hard_reg_notes): Remove.
9524 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9525 (find_insn_with_note, new_insn_dead_notes): Remove.
9526 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9527 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9528 (replace_insns): Remove.
9529 (count_or_remove_death_notes): New.
9530 (verify_flow_info): Abort on error after all checks.
9531 (remove_edge): Decrement n_edges.
9532 (remove_fake_edges): Tweek format.
9533 * haifa-sched.c (schedule_insns): Use split_all_insns.
9534 * output.h (update_life_info): Remove declaration.
9535 * recog.c (split_all_insns): From the corpse of split_block_insns,
9536 do the whole function block by block. Use update_life_info.
9537 (recog_last_allowed_insn): New.
9538 (recog_next_insn): Mind it.
9539 (peephole2_optimize): Set it. Walk backwards through blocks.
9540 Use update_life_info.
9541 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9542 (split_all_insns): Declare.
9543 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9544 Use split_all_insns.
9546 * i386.md (or -1 peep2s): Disable.
9548 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9550 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9551 a single pattern. Scrap the 'd' versions as unnecessary.
9553 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9554 tablejump_mips162,tablejump_internal4): The operands to a
9555 label_ref must be VOIDmode.
9557 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9559 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9561 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9563 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9565 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9567 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9568 cache every function if ggc_p.
9570 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9572 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9573 instead of copy_rtx. Accept sequences that contain asm statements.
9574 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9575 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9576 orig_asm_operands_vector, copy_asm_operands_vector,
9577 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9579 * rtl.h (copy_insn, copy_insn_1): Declare.
9581 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9583 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9585 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9586 arguments to `current_file_function_operand'.
9588 * genrecog.c: Include hard-reg-set.h and resource.h in the
9589 generated output file.
9591 * real.c: Include tm_p.h.
9593 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9595 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9598 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9600 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9601 before the fctiwz insn.
9603 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9604 Mark Mitchell <mark@codesourcery.com>
9606 * tree.c (make_lang_type_fn): New funtion pointer.
9607 (make_lang_type): Call it.
9608 * tree.h (make_lang_type): Declare.
9609 (make_lang_type_fn): Likewise.
9610 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9612 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9614 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9615 make sure that HIGH instructions are copied into BASE_REGS.
9617 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9619 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9621 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9623 * c-decl.c (finish_struct): Use simpler method of
9624 removing elements of a singly-linked list.
9626 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9628 * alpha.md (peephole2's): Comment out peephole2's that generate
9631 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9633 * genrecog.c (add_to_sequence): Disable mode check for
9636 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9638 * ggc-simple.c (init_ggc): Set empty_string.
9640 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9642 * configure.in: Detect mmap. Add --with-gc=foo to select
9643 garbage collector; default to page if mmap available.
9644 * Makefile.in (GGC): Substitute.
9646 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9648 * c-decl.c (ggc_p): Enable.
9650 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9652 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9654 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9656 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9657 string for little-endian-data.
9659 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9661 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9662 case somebody tries to compile --enable-checking code with gcc
9665 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9667 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9670 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9672 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9673 * jump.c (jump_optimize_1): Document why.
9675 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9677 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9678 pointers and casts for `int_handler' and `quit_handler'.
9680 * flow.c (verify_flow_info, split_hard_reg_notes,
9681 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9682 remove_edge, remove_fake_successors): Add static prototypes.
9683 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9684 (mark_set_1): Initialize variable `regno'.
9685 (unlink_insn_chain): Likewise for variable `curr'.
9686 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9688 * loop.c (strength_reduce): Initialize variable
9689 `unrolled_insn_copies'.
9690 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9691 prototypes. Change these functions to take const PTR parameters
9692 to avoid prototype conflict when used as the comparson argument
9694 (check_dbra_loop): Initialize variable `comparison_val'.
9696 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9697 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9698 (find_valid_class): Initialize variable `best_class'.
9699 (find_reloads): Call memcpy, not bcopy.
9701 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9702 (hard_reg_use_compare): Don't needlessly cast away const.
9703 (reload_reg_class_lower): Likewise.
9704 (choose_reload_regs): Initialize variable `regno'.
9706 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9708 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9710 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9712 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9713 ({,d}discard): Add forward declarations. Declare parameter as
9715 (main_without_main): Explicitly declare return type to be int.
9716 (memcpy): Properly declare.
9718 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9719 building the trampoline support, declare malloc, free, and
9721 (__clear_cache): Mark arguments as potentially unused.
9723 * frame.c (toplevel): If inhibit_libc is defined, declare
9726 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9728 * flow.c (make_edge): Accept an optional 2D bitmap in which
9729 to cache edge existence. Update all callers.
9730 (make_label_edge, make_eh_edge): Pass through the edge cache.
9731 (make_edges): Provide the cache.
9733 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9735 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9737 (local_mbtowc): Change the type of variable `i' from int to size_t.
9739 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9740 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9742 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9744 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9745 after other includes that define the appropriate types. Include
9746 tm_p.h for getting user prototypes.
9747 * ggc-callbacks.c (toplevel): Ditto.
9748 * ggc-none.c (toplevel): Ditto.
9749 * gcc-page.c (toplevel): Ditto.
9750 * ggc-simple.c (toplevel): Ditto.
9752 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9753 Jonathan Larmour <jlarmour@cygnus.co.uk>
9755 * config/mips/mips.c (mips_move_2words): Split doubles if
9756 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9758 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9760 * genrecog.c (struct decision_test): New.
9761 (struct decision): Remove test-related members, sort the rest by size.
9762 (IS_SPLIT): Simplify.
9763 (new_decision, new_decision_test): New.
9764 (add_to_sequence): Use them. No special handling for args of
9766 (maybe_both_true): Renamed from not_both_true; return sense changed.
9767 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9768 of maybe_both_true and adjusted for decision_test.
9769 (position_merit): Remove.
9770 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9771 (merge_accept_insn): New, broken out of merge_trees.
9772 (merge_trees): Use them. No special case for c_test; no node
9773 splitting; use test type instead of position_merit.
9774 (factor_tests): New.
9775 (simplify_tests): New.
9776 (break_out_subroutines): Don't write code now.
9777 (find_afterward): New.
9778 (write_afterward, write_switch, write_cond): New.
9779 (write_action, is_unconditional): New.
9780 (write_node): New. Use them.
9781 (write_tree_1): Rewrite. Use the new functions above.
9782 (write_tree): Remove afterward processing.
9783 (write_subroutine): Simplify function variant emission.
9784 (write_subroutines): New.
9785 (same_codes, clear_codes): Remove.
9786 (same_modes, clear_modes): Remove.
9787 (write_header): New, broken out of main.
9788 (make_insn_sequence): Use new_decision and new_decision_test.
9789 (process_tree): New, broken out of main.
9790 (main): Adjust for merge_trees interface change.
9791 Don't #define operands in the output file.
9792 (record_insn_name): New, broken out of make_insn_sequence.
9793 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9794 (debug_decision): New.
9796 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9798 * resource.c (find_free_register): Mark class_str argument const.
9799 * resource.h: Update prototype to match.
9801 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9802 * i386.md: Give all anonymous insns names.
9804 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9806 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9809 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9811 * toplev.c (dbr_sched_time): Unconditional.
9812 (peephole2_time): New.
9813 (compile_file): Add pass numbers to all of the dump file suffixes.
9814 Dump peephole2_time. Don't dump times for non-applicable passes.
9815 (rest_of_compilation): Add pass numbers to dump file suffixes.
9816 Conditionalize calls to the scheduler.
9817 * invoke.texi: Update.
9819 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9821 * flow.c (make_edges): Fix insn iteration.
9822 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9823 (find_basic_blocks_1): Fix spelling mistake.
9825 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9827 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9828 always have side-effects. Use memset not bzero.
9829 (make_node): Likewise.
9831 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9833 * stmt.c (expand_anon_union_decl): When any of the elements of the
9834 union is addressable, so is the entire union.
9836 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9838 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9840 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9841 * bitmap.c (bitmap_operation): Return true iff TO changed.
9842 (bitmap_equal_p): New.
9843 (bitmap_bit_p): Tidy arithmetic.
9844 (debug_bitmap_file): Likewise.
9846 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9848 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9849 before cse2 instead of after.
9851 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9853 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9856 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9858 * cppinit.c (is_idchar initializer): Loosen tests to accept
9861 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9863 * mips.md: Define conditional move patterns for floating point
9864 operands and DI mode conditions.
9866 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9868 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9869 always have side-effects.
9871 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9873 * mn10200.c (asm_file_start): Fix typo.
9875 * cppinit.c (is_idchar initializer): Tighten tests for when
9876 to put the table into initialized memory.
9878 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9879 not an array of rtunion.
9880 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9881 * gcc-simple (ggc_free_rtvec): Similarly.
9883 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9886 * mbchar.h: Add missing #endif.
9888 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9889 (FPBIT, DPBIT): Define.
9891 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9893 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9895 * profile.c (instrument_arcs, output_gcov_string,
9896 tablejump_entry_p): Add static prototypes.
9897 (output_gcov_string): Constify a char*.
9899 * regmove.c (replacement_quality, fixup_match_2): Add static
9902 * resource.h (reg_dead_p): Add extern prototype.
9904 * rtl.c (trim_filename): Add static prototype.
9906 * scan-decls.c (skip_to_closing_brace): Likewise.
9908 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9909 (expand_end_case): Initialize variable `range'.
9910 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9912 * varasm.c (asm_emit_uninitialised): Add static prototype.
9913 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9916 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9918 * cpplib.c (if_directive_nameo): Add static prototype.
9920 * cse.c (cse_insn): Remove unused variable `p'.
9922 * except.c (create_rethrow_ref, push_entry,
9923 receive_exception_label, new_eh_region_entry, find_func_region,
9924 clear_function_eh_region, process_nestinfo): Add static prototypes.
9925 (get_reg_for_handler): Hide definition.
9926 (process_nestinfo): Initialize variable `extra_handlers'.
9928 * expr.h (expand_builtin_longjmp): Add extern prototype.
9930 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9932 * function.c (prepare_function_start): Likewise.
9933 (pop_function_context_from): Mark parameter `context' with
9935 (push_temp_slots_for_block, flush_addressof): Hide definition.
9937 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9938 solve_program_flow_graph, calculate_branch_probs,
9939 function_summary, main, fancy_abort): Add prototypes.
9941 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9942 (add_hash): Constify a char*.
9944 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9945 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9946 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9948 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9950 * lists.c (free_list, zap_lists): Likewise.
9952 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * alias.c (nonlocal_reference_p): Add static prototype.
9956 * bitmap.c (bitmap_element_allocate): Prototype args in function
9959 * builtins.c (stabilize_va_list): Add static prototype.
9960 (expand_builtin_va_arg): Constify a char*.
9962 * c-lex.c (getch, put_back, extend_token_buffer_to,
9963 read_line_number, token_getch, token_put_back): Add static
9966 * c-parse.gperf (hash, is_reserved_word): Likewise.
9968 * cccp.c (is_dir_separator): Likewise.
9970 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9972 * graph.h: New file to prototype functions exported by graph.c.
9974 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9976 * graph.c: Include graph.h.
9978 * toplev.c: Likewise. Remove redundant prototypes.
9980 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9982 * invoke.texi: Removed duplicated description for -Q.
9984 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9986 * extend.texi: Grammar fix in __extension__ text.
9988 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9990 * md.texi (define_peephole2): New section.
9992 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9994 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9995 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9998 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10000 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10002 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10004 * i386.md (ffs expander): Emit Pentium friendly code for
10007 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10009 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10011 (build1): Likewise.
10013 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10015 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10017 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10019 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10020 register is in use.
10022 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10024 * md.texi (No Constraints): Delete section.
10025 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10026 * final.c (final_scan_insn): We always have register constraints.
10027 * genattrtab.c: Don't include "insn-config.h".
10028 (write_attr_case): We always have register constraints.
10029 * genconfig.c (register_constraint_flag): Delete.
10030 (walk_insn_part): Don't check whether we have register constraints.
10031 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10032 * genoutput.c (have_constraints): Delete.
10033 (main): Don't set it.
10034 (output_operand_data): We always have constraints.
10035 (scan_operands): Likewise.
10036 (compare_operands): Likewise.
10037 * local-alloc.c (block_alloc): We always have constraints.
10038 (requires_inout): Always compile this function.
10039 * recog.c (extract_insn): We always have constraints.
10040 (constrain_operands, reg_fits_class_p): Always compile these
10042 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10044 (struct insn_operand_data): Likewise.
10045 * regclass.c (regclass): We always have constraints.
10046 (record_reg_classes, copy_cost, record_address_regs,
10047 auto_inc_dec_reg_p): Always compile these functions.
10048 * regmove.c (regmove_optimize): We always have constraints.
10049 * reload.c (find_reloads): Likewise.
10050 * reload1.c (reload): Likewise.
10051 (reload_cse_simplify_operands): Likewise.
10052 * i860.c (output_delay_insn): Likewise.
10054 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10056 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10058 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10060 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10061 for the va_list record.
10063 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10065 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10068 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10070 * alias.c: Include insn-flags.h.
10071 * Makefile.in (alias.o): Update.
10073 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10075 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10076 to LTU and GEU. Handle more cases using sbb.
10078 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10080 * i386.md (truncatexfdf splitters): Do not use subreg.
10081 (fop XFmode patterns): Fix mode in operand testing.
10083 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10085 * jump.c (jump_optimize_1): Amend last change to test only the
10086 form of the operand, not the insn.
10088 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10089 not register_operand to determine when B may need preloading.
10091 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10093 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10094 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10095 (call-value patterns): Move to end of file.
10096 (*): Remove mode from label_ref in (pc) context.
10097 (movstrqi): Use memory not general_operand for BLKmode operands.
10098 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10099 to register_operand operands.
10100 (peep2 patterns): Convert from commented-out peephole patterns.
10102 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10104 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10105 to BUILT_IN_INIT_DWARF_REG_SIZES.
10106 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10107 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10108 expand_builtin_init_dwarf_reg_sizes.
10109 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10110 with __builtin_init_dwarf_reg_size_table.
10111 * dwarf2out.c (struct reg_size_range): Delete.
10112 (expand_builtin_init_dwarf_reg_sizes): New function.
10113 (expand_builtin_dwarf_reg_size): Delete.
10114 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10115 (expand_builtin_dwarf_reg_size): Don't declare.
10116 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10117 (dwarf_reg_size_table): New.
10118 (init_reg_size_table): New function.
10119 (copy_reg): Use dwarf_reg_size_table.
10120 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10123 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10125 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10126 Correctly build argument list to constructor and destructor functions.
10128 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10130 * c-tree.h (warn_float_equal): Declare.
10131 * c-decl.c (warn_float_equal): Define.
10132 (c_decode_option): Recognize -W[no-]float-equal.
10133 * c-typeck.c (build_binary_op): Conditionally warn
10134 about equality tests of floating point types.
10135 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10136 * invoke.texi: Add docs for -Wfloat-equal warning.
10138 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10140 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10141 generating RTL directly.
10142 * mips.h (INIT_TARGET_OPTABS): Likewise.
10143 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10145 * expr.h (init_mov_optab): Delete declaration
10147 * h8300.c (WORD_REG_USED): Update to avoid useless register
10148 saves in interrupt functions and functions which never return.
10150 * cse.c (struct set): Delete inner_dest_loc field.
10151 (cse_insn): Remove assignments to inner_dest_loc field.
10153 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10155 * ggc-page.c: Don't include <unistd.h> etc taken care of
10156 by "system.h". Include <sys/mman.h> afterward.
10158 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10160 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10163 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10165 * xcoffout.c (xcoffout_declare_function): Add documentation.
10166 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10167 TARGET_64BIT. Compare constant to -1, not bit pattern.
10168 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10169 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10172 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10174 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10175 origin_die is NULL.
10176 (gen_inlined_enumeration_type_die): Do not abort if the type has
10177 not been writeen out.
10178 (gen_inlined_structure_type_die): Do not abort if the type has
10179 not been writeen out.
10180 (gen_inlined_union_type_die): Do not abort if the type has
10181 not been writeen out.
10182 (gen_tagged_type_instantiation_die): Do not abort if the type
10183 has not been written out.
10185 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10187 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10189 * reg-stack.c (straighten_stack): Copy hard reg set with
10192 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10194 * builtins.c (stabilize_va_list): Stabilize array type va_list
10195 to a pointer type, not the base record type.
10196 (expand_builtin_va_copy): Dereference the pointers explicitly;
10197 use the correct size for the copy.
10199 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10200 (rs6000_va_arg): Likewise.
10202 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10204 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10206 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10208 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10210 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10212 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10214 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10215 (init_ggc): Use it instead of a constant.
10216 (ggc_collect): Bound allocated_last_gc by it.
10218 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10220 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10223 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10225 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10226 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10227 * configure: Regen.
10228 * config/mips/openbsd.h: New, OpenBSD little endian target.
10229 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10230 * config/mips/xm-openbsd.h: New, OpenBSD host.
10232 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10234 * config/m68k/m68k.c (output_function_prologue,
10235 output_function_epilogue): Use
10236 current_function_uses_pic_offset_table instead of regs_ever_live
10237 to decide whether to save/restore pic register.
10238 (legitimize_pic_address): Don't modify regs_ever_live any more.
10240 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10242 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10243 * stor-layout.c (variable_size): Don't add sizes to the pending
10244 sizes list if x_dont_save_pending_sizes_p is set.
10246 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10248 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10249 for symbolic_operand().
10250 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10252 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10254 * combine.c (gen_rtx_combine): Add missing call to va_end().
10256 * final.c (asm_fprintf): Likewise.
10258 * genattrtab.c (attr_rtx): Likewise.
10260 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10262 * cse.c: Update comments.
10263 (cse_insn): When converting a conditional/computed jump into
10264 an unconditional jump, always make sure a BARRIER immediately
10265 follows the converted jump. Do not delete unreachable code.
10266 (cse_basic_block): Do not delete unreachable code.
10267 * toplev.c (rest_of_compilation): Move call to
10268 delete_trivially_dead_insns after the conditional call to
10271 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10273 * collect2.c (make_temp_file): Don't prototype.
10275 * gcc.c (make_temp_file): Likewise.
10277 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10279 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10281 * varasm.c (asm_emit_uninitialised): New function: Generate
10282 the assembler statements necessary to declare an uninitialised
10284 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10286 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10287 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10289 (assemble_variable): Use asm_emit_uninitialised to emit an
10290 uninitialised variable.
10292 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10294 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10295 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10296 <geoffk@cygnus.com>.
10298 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10300 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10301 * c-common.h (builtin_function): Don't declare.
10303 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10305 (pushdecl): Likewise.
10306 (finish_decl): Likewise.
10307 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10308 int. All callers changed.
10309 Set the builtin's DECL_BUILT_IN_CLASS.
10310 * tree.h (enum built_in_class): New.
10311 (enum built_in_function): Delete NOT_BUILT_IN.
10312 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10314 (DECL_SET_FUNCTION_CODE): Likewise.
10315 (DECL_BUILT_IN_CLASS): New macro.
10316 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10317 (struct tree_decl): Split builtin function code field into a
10319 (builtin_function): Declare.
10321 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10323 * optabs.c (init_traps): Fix typo in last change.
10325 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10327 * toplev.c (rest_of_decl_compilation): Update comment.
10329 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10331 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10332 in .sbss if appropriate.
10333 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10334 (SBSS_SECTION_ASM_OP): New macro.
10335 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10336 (EXTRA_SECTIONS): Add in_sbss.
10337 * config/mips/mips.h: Prototype sbss_section.
10339 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10341 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10344 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10346 * optabs.c (init_traps): Register trap_rtx as a GC root.
10348 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10350 * config/mips/mips.c (function_arg_pass_by_reference): Define
10351 unconditionally, since it's called unconditionally.
10353 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10355 * toplev.c (documented_lang_options): Add -fshort-wchar.
10356 * c-decl.c (c_decode_option): Likewise.
10357 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10359 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10360 * gcc.c (default_compilers): If -fshort-wchar,
10361 override __WCHAR_TYPE__.
10362 * tm.texi (C Dialect Options): Add -fshort-wchar.
10364 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10365 symbol for a variable.
10367 * cpplib.h (CPP_PREPROCESSED): New macro.
10368 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10369 we're seeing this input for a second time.
10371 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10373 * emit-rtl.c (init_emit_once): Initialize modes first.
10375 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10377 * config/i386/i386.c (pic_label_name): Change to char pointer.
10378 (global_offset_table): New variable.
10379 (load_pic_register): Fill global_offset_table if it hasn't
10380 already been done. Allocate pic_label_name dynamically.
10381 * ggc.h (empty_string): New variable.
10382 * ggc-simple.c (empty_string): Likewise.
10383 (init_ggc): Allocate empty_string and add as root.
10384 * stmt.c (digit_strings): New variable.
10385 (init_stmt): Add last_block_end_note as root. Allocate and
10386 initialize digit_strings.
10387 (expand_asm_operands): Use empty_string instead of string
10388 constant. Use digit_strings instead of string constants.
10389 * profile.c (init_arc_profiler): Allocate string with
10390 ggc_alloc_string instead of xmalloc.
10391 (output_func_start_profiler): Likewise.
10392 * c-typeck.c (digest_init): Check if init is error_mark_node.
10394 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10395 Richard Henderson <rth@cygnus.com>
10397 * ggc-page.c: New file.
10398 * Makefile.in (ggc-page.o): New.
10400 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10402 * invoke.texi: Document -fdelete-null-pointer-checks
10403 * toplev.c (flag_delete_null_pointer_checks): New.
10404 (f_options): Add entry for -fdelete-null-pointer-checks.
10405 (rest_of_compilation): Conditionalize null pointer check
10406 elimination on flag_delete_null_pointer_checks.
10407 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10409 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10411 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10412 copyright notice and special exception to GPL.
10414 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10416 * abi64.h (mips_function_value): Add prototype arguments.
10418 * mips-protos.h: New file with mips prototypes.
10420 * mips.c: Include "tm_p.h".
10421 (mktemp, lookup_name): Add prototype arguments.
10422 (extern_list, string_constant, mips_fill_delay_slot,
10423 mips_output_external, mips_output_external_libcall,
10424 mips_output_filename, mips_declare_object, function_prologue,
10425 mips_expand_prologue, function_epilogue, mips16_constant,
10426 build_mips16_function_stub, mips_output_conditional_branch):
10428 (mips_va_start): Remove unused variable `u'.
10429 (mips_va_arg): Cast value to unsigned when comparing against one.
10431 (save_restore_insns, mips_expand_prologue): Add missing arg in
10432 call to `large_int'.
10434 * mips.h: Move prototypes to mips-protos.h.
10435 (data_section, memory_address_p, rdata_section,
10436 readonly_data_section, simple_epilogue_p, text_section): Delete
10437 prototypes delcared elsewhere.
10438 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10440 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10442 * mips.md: Delete extra args in call to `mips_move_2words'.
10444 * xm-iris6.h (alloca): Add prototype argument.
10446 * genpeep.c: Include "tm_p.h" in generated output file.
10448 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10450 * basic-block.h (find_edge_index): Change parameters.
10451 * flow.c (verify_edge_list): Pass basic_block parameters to
10452 find_edge_index instead of integers.
10454 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10456 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10459 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10461 * gcc.1: Fix a formatting error.
10463 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10465 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10466 i786, mn10200, mn10300, pdp11, v850.
10468 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10470 * libgcc2.c (num_digits): Add prototype with
10471 __attribute__((const)).
10472 (__terminate): Add prototype.
10474 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10476 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10478 * alpha/alpha.c (print_operand): Fix type of `code'.
10479 (alpha_output_filename): Constify.
10480 * alpha/alpha.h: Move all function declarations ...
10481 * alpha/alpha-protos.h: ... here. New file.
10482 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10483 (SECTION_FUNCTION_TEMPLATE): Likewise.
10485 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10487 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10488 * expr.c (expand_expr): Likewise.
10489 (do_jump): Likewise.
10490 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10491 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10493 (enum can_compare_purpose): New.
10494 (can_compare_p): Adjust prototype.
10495 (prepare_cmp_insn, prepare_operand): Declare.
10496 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10497 * optabs.c (cmp_available_p): Deleted.
10498 (expand_abs): Pass ccp_jump to can_compare_p.
10499 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10500 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10501 Call can_compare_p rather than cmp_available_p.
10502 (prepare_operand): No longer static.
10503 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10504 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10505 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10506 sequence to use emit_cmp_and_jump_insns.
10507 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10509 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10511 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10512 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10513 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10514 (plus (reg) (const_int 0))
10515 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10517 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10519 * rs6000.c (expand_block_move): DImode loads and stores require
10520 word-aligned displacements. Increment address registers with
10521 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10523 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10525 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10526 is no name for the base type, rather than segfault. If we are
10527 writing out a complex integer type, use DW_ATE_lo_user.
10529 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10530 in one word or less (complex char, complex short, or on 64 bit
10531 systems complex float) to/from a hard register, copy it through
10532 memory instead of dying in gen_{real,imag}part. If we have a
10533 short complex type, prevent inlining since it allocates stack
10536 * tree.c (build_complex_type): If we are writing dwarf2 output,
10537 generate a name for complex integer types.
10539 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10541 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10542 * flow.c (remove_edge): Remove extra whitespace.
10543 (remove_fake_edges): Fix comment.
10544 (add_noreturn_fake_exit_edges): Use the correct name.
10546 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10548 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10549 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10550 (clean): Depend on INTL_CLEAN.
10551 (maintainer-clean): Adjust.
10553 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10555 * configure.in (AC_PREREQ): Bump to 2.13.
10556 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10558 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10560 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10562 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10564 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10565 (HAVE_STRINGIZE): Define.
10567 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10569 * c-parse.in: save and restore warn_pointer_arith on __extension__
10570 along with pedantic.
10571 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10572 Set the type of extension to itype rather than $<itype>1 kludge.
10573 * extend.texi (Alternate Keywords): Adjust documentation.
10574 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10576 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10578 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10579 most assembler templates.
10581 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10582 FP loads and stores.
10583 (following_call): Always return zero for the PA8000.
10584 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10585 FP loads and stores.
10586 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10588 * pa.h (BRANCH_COST): Define.
10590 * pa.md (return, return_internal): Use bve for PA2.0.
10592 * pa.md (fused multiply): Add variants which reduce height for the
10593 fused multiply, but which still generate 2 insns.
10594 (fnegabs): Similarly.
10596 * pa.md (subsi3): Turn into an expander. Create two anonymous
10597 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10598 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10600 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10602 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10604 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10605 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10607 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10610 * flow.c (record_active_eh_regions): Terminate loop after finding
10611 the last insn in the last basic block.
10613 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10615 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10617 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10619 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10621 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10623 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10624 splitting to not use output template.
10626 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10628 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10629 * config/c4x/c4x.c (c4x_va_start): New function.
10631 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10633 * genrecog.c (not_both_true): Handle correctly cases when called for
10634 tests with different positions in the insn.
10636 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10638 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10640 * system.h (HOST_PTR_PRINTF): ... to here.
10642 * mips-tfile.c: Don't include machmode.h.
10644 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10645 (mips-tfile.o): Don't depend on machmode.h.
10647 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10649 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10650 avoid conflicts with typedef struct `region' at the top level scope.
10652 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10654 * basic-block.h (basic_block): Add eh_beg, eh_end.
10655 * flow.c (entry_exit_blocks): Update.
10656 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10657 Call new functions.
10658 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10659 lists.c functions to allocate insn lists.
10660 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10662 (make_eh_edge): ... here. New.
10663 (move_stray_eh_region_notes): New.
10664 (record_active_eh_regions): New.
10665 (delete_unreachable_blocks): Split out block merging ...
10666 (try_merge_blocks): ... here. New.
10667 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10668 Dump debugging data.
10669 (merge_blocks_move_successor_nojumps): Likewise.
10670 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10672 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10674 * extend.texi (Bound member functions): Document unbound pmf
10677 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10679 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10680 has the EXIT_BLOCK as a dest.
10682 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10684 * flow.c (remove_edge): New function to remove an edge from the
10686 (remove_fake_successors): New function to remove fake successor edges.
10687 (remove_fake_edges): New function to remove all fake edges from the
10689 (add_fake_exit_edges): New function to add fake edges from all blocks
10690 with no successors to the exit block.
10691 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10692 prototypes for new functions.
10694 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10696 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10697 Use Pmode to determine whether to output .dword or .word.
10699 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10701 * tree.c (built_in_filename): New variable.
10702 (BUILT_IN_FILENAME): New macro.
10703 (init_tree_codes): Allocate built_in_filename.
10704 (make_node): Use built_in_filename instead of string constant.
10706 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10708 * configure.in: Add fr30 target.
10709 * configure: Regenerate.
10710 * config/fr30: New directory.
10711 * config/fr30/crti.asm: New file.
10712 * config/fr30/fr30.c: New file.
10713 * config/fr30/crtn.asm: New file.
10714 * config/fr30/fr30.h: New file.
10715 * config/fr30/fr30.md: New file.
10716 * config/fr30/lib1funcs.asm: New file.
10717 * config/fr30/t-fr30: New file.
10718 * config/fr30/xm-fr30.h: New file.
10720 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10722 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10723 BARRIER at the end of the successor, not the BARRIER before
10726 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10728 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10730 * stmt.c (any_pending_cleanups): Don't crash when
10731 current_function->stmt is unset.
10733 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10735 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10736 other initializations that may use it for relative offsets.
10738 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10740 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10741 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10742 * config/i386/sol2dbg.h: Removed.
10743 * config/i386/sol2gas.h: New file, to enable gas work-around.
10744 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10745 Don't use sol2dbg.h.
10746 * configure: Rebuilt.
10748 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10750 * invoke.texi (-fthis-is-variable): Remove documentation.
10752 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10754 * basic-block.h (compute_bb_for_insn): Declare.
10755 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10756 to use; set size of basic_block_for_insn directly.
10757 (find_basic_blocks): Update.
10759 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10761 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10763 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10765 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10766 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10768 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10770 * c-decl.c (c_decode_option): Extend comment.
10772 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10774 * toplev.c (progname): Make 'const char *'
10775 (flag_print_mem): Move out of main.
10776 (version_flag): Move out of main.
10777 (filename): Move out of main.
10778 (debug_args): Remove g prefix from options.
10779 (documented_lang_options): Remove cpplib specific options.
10780 (display_help): Add g prefix to debug options.
10781 (check_lang_option): Delete this function.
10782 (decode_d_option): New function: Decode -d... option.
10783 (decode_f_option): New function: Decode -f... option.
10784 (decode_W_option): New function: Decode -W... option.
10785 (decode_g_option): New function: Decode -g... option.
10786 (independent_decode_option): New function: Decode a language
10787 independent command line option.
10788 (main): Invoke lang_decode_option and then
10789 independent_decode_option on each command line option in
10792 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10794 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10795 * fold-const.c (fold_range_test): Do not try to fold the range
10796 test if the rhs or lhs has side effects.
10798 * basic-block.h (compute_flow_dominators): Declare.
10800 * gcse.c (alloc_code_hoist_mem): New function.
10801 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10802 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10803 (hoist_code, one_code_hoisting_pass): Likewise.
10804 (gcse_main): If optimizing for size, then hoist expressions
10805 computed in multiple dominated basic blocks.
10807 * gcse.c (invalid_nonnull_info): New function.
10808 (delete_null_pointer_checks): Likewise.
10809 * rtl.h (delete_null_pointer_checks): Declare.
10810 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10812 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10813 (merge-blocks_move_successor_nojumps): Likewise.
10814 (merge_blocks): Allow merging of some blocks, even if it requires
10815 physical movement of the blocks, but not if it requires new jumps.
10817 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10818 Callers and prototype changed.
10819 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10821 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10823 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10824 -YP when both -p and -pg are present. From i386/sol2.h.
10826 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10828 * Makefile.in (distclean): Delete tm_p.h.
10829 * configure.in: Create a new file, "tm_p.h", from a list in
10830 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10831 "i386/i386-protos.h".
10833 * alias.c: Include "tm_p.h".
10834 * c-typeck.c: Likewise.
10835 * calls.c: Likewise.
10837 * emit-rtl.c: Likewise.
10838 * explow.c: Likewise.
10839 * expmed.c: Likewise.
10840 * expr.c: Likewise.
10841 * final.c: Likewise.
10842 * flow.c: Likewise.
10843 * fold-const.c: Likewise.
10844 * function.c: Likewise.
10845 * gcse.c: Likewise.
10846 * global.c: Likewise.
10847 * haifa-sched.c: Likewise.
10848 * integrate.c: Likewise.
10849 * jump.c: Likewise.
10850 * local-alloc.c: Likewise.
10851 * loop.c: Likewise.
10852 * optabs.c: Likewise.
10853 * recog.c: Likewise.
10854 * reg-stack.c: Likewise.
10855 * regclass.c: Likewise.
10856 * regmove.c: Likewise.
10857 * reload.c: Likewise.
10858 * reload1.c: Likewise.
10859 * reorg.c: Likewise.
10860 * resource.c: Likewise.
10861 * stmt.c: Likewise.
10862 * stor-layout.c: Likewise.
10863 * toplev.c: Likewise.
10864 * tree.c: Likewise.
10865 * unroll.c: Likewise.
10866 * genattrtab.c (main): Make generated file include "tm_p.h".
10867 * genemit.c (main): Likewise.
10868 * genoutput.c (main): Likewise.
10869 * genrecog.c (main): Likewise.
10871 * i386.h: Delete all prototypes.
10872 * i386.c: Include "tm_p.h".
10873 (ix86_attr_length_default): Call constant_call_address_operand
10874 with correct number of arguments.
10875 * i386-protos.h: New file.
10876 * i386.md (unnamed patterns): Call constant_call_address_operand
10877 with correct number of arguments.
10878 (exception_receiver): Call load_pic_register with correct number
10881 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10883 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10885 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10887 * rtl.h (insns_safe_to_move_p): New function.
10888 * loop.c (find_and_verify_loops): Use it.
10889 * rtlanal.c (insns_safe_to_move_p): Define it.
10891 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10893 * c-pragma.c: Include ggc.h.
10894 * Makefile.in (c-pragma.o): Update.
10896 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10898 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10899 (LIB_SPEC): Likewise.
10900 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10901 Reindent -YP/-p/-pg.
10902 Copied from config/sparc/sol2.h.
10904 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10906 * c-pragma.c (mark_align_stack): New.
10907 (init_pragma): New.
10908 * c-pragma.h (init_pragma): Declare it.
10909 * c-lex.c (init_parse): Call it.
10911 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10913 * configure.in: Pick up thread library on Solaris/x86 just
10914 like on Solaris/sparc.
10915 * configure: Rebuilt.
10917 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10919 * rtl.h (global_rtx_index): New enum.
10920 (global_rtl): Change to array of rtx.
10921 (pc_rtx, cc0_rtx): Redefine accordingly.
10922 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10923 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10924 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10925 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10926 (const_int_rtx): Change to array of rtx.
10927 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10929 * emit-rtl.c (global_rtl): Change to array of rtx.
10930 (const_int_rtx): Change to aray of rtx.
10931 (gen_rtx_CONST_INT): Redefine accordingly.
10932 (init_emit_once): Allocate and initialize global_rtl. Likewise
10933 for const_int_rtx. Add both as GC roots.
10934 * genattrtab.c (global_rtl): Update declaration.
10936 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10938 * Makefile (USER_H): Add iso646.h back.
10940 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10942 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10943 zapping the LOG_LINKS of sched_before_next_call.
10945 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10946 * pa.c (insn_refs_are_delayed): Renamed from
10947 insn_sets_and_refs_are_delayed.
10949 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10951 * functiion.h (struct function): Add x_whole_function_mode_p.
10952 (retrofit_block): Declare.
10953 * function.c (retrofit_block): New function.
10954 (identify_blocks): Add assertions. Allow an incomplete set of
10955 block notes if we're still generating code for the function.
10956 * integrate.c: Include loop.h.
10957 (expand_inline_function): Call find_loop_tree_blocks to map block
10958 notes to blocks when in whole-function mode. Use retrofit_block
10959 to insert new BLOCKs for the inlined function, rather than
10961 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10962 * Makefile.in (integrate.o): Depend on loop.h.
10964 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10966 * tree.h (warn_about_unused_variables): Declare.
10967 * stmt.c (warn_about_unused_variables): New function, split out
10969 (expand_end_bindings): Here.
10971 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10973 * stmt.c (preserve_subexpressions_p): Don't crash when
10974 current_function->stmt is unset.
10976 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10978 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10979 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10980 (expand_start_target_temps): Use it.
10981 * except.c (expand_eh_region_start_for_decl): Likewise.
10982 * expr.c (expand_expr): Likewise.
10984 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10986 * fold-const.c (operand_equal_p): Pay attention to side effects.
10988 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10990 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10991 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10993 * tlink.c (scan_linker_output): Look for keywords before accepting
10994 a mangled name in quotes.
10996 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10998 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10999 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11001 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11003 * alpha.md: Revert Thu Nov 26 change that came in through the
11004 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11005 Avoid earlyclobber when possible.
11007 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11009 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11011 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11012 Define HAVE_ON_EXIT.
11014 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11016 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11017 CTYPE_CONV in all ctype macros.
11019 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11022 * cexp.y (initialize_random_junk): Likewise.
11024 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11026 * i370.c (handle_pragma): Likewise.
11028 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11030 * v850.c (override_options): Likewise.
11032 * doprint.c (_doprnt): Likewise.
11034 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11037 * fixinc/server.c (load_data): Likewise.
11039 * fold-const.c (real_hex_to_f): Likewise.
11041 * genattr.c (write_upcase, gen_attr): Likewise.
11043 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11044 write_upcase): Likewise.
11046 * genemit.c (print_code): Likewise.
11048 * genopinit.c (gen_insn): Likewise.
11050 * genpeep.c (print_code): Likewise.
11052 * genrecog.c (print_code): Likewise.
11054 * optabs.c (init_libfuncs): Likewise.
11056 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11058 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11060 (reemit_notes): Likewise.
11062 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11064 * ggc.h (ggc_root): Move to ggc-common.c.
11066 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11067 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11068 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11069 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11070 * ggc-common.c (ggc_root): Move from ggc.h.
11071 (roots): Declare, static.
11072 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11073 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11074 null or check/set mark bit.
11075 (ggc_mark_roots): New.
11076 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11078 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11080 * m32r.c: Include toplev.h.
11081 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11082 (gen_compare): Rename swap_p to must_swap to match uses.
11083 Add default abort case.
11084 (m32r_output_function_epilogue): Remove unused variables.
11085 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11086 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11087 define to empty parameter list. Update all uses.
11088 (predicate decls): Use enum machine_mode not int.
11089 * m32r.md (movsi): Call abort, not fatal_insn.
11090 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11092 1999-09-14 Andrew Haley <aph@cygnus.com>
11094 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11095 use $0 instead of 0.
11097 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11099 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11100 computation out of loop over hard regs.
11102 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11104 * function.c (identify_blocks): Don't shadow a variable in an
11106 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11107 pushdecl, or poplevel to build up the new BLOCK tree.
11108 (expand_inline_function): Likewise.
11109 (integrate_parm_decls): Likewise.
11111 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11113 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11115 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11117 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11118 * invoke.texi: Document this change.
11120 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11122 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11124 (mark_emit_status): Renamed from mark_emit_state.
11125 * except.c (mark_eh_status): Renamed from mark_eh_state.
11126 Check not null before marking.
11127 (free_eh_status): New.
11128 * expr.c (mark_expr_status, free_expr_status): New.
11129 * function.c (free_machine_status): New.
11130 (free_after_parsing): New.
11131 (free_after_compilation): Move bits to free_after_parsing; call
11132 free_eh_status, free_expr_status; zero the marked members of the
11134 (prepare_function_start): No can_garbage_collect.
11135 Call init_eh_for_function.
11136 (expand_dummy_function_end): Free up current_function state.
11137 (mark_function_status): Renamed from mark_function_state.
11138 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11139 * function.h (struct function): No can_garbage_collect.
11140 (free_machine_status, free_after_parsing): Declare.
11141 (free_eh_status, free_expr_status): Declare.
11142 * ggc.h (mark_expr_status): Declare.
11143 * stmt.c (free_stmt_status): Free the struct.
11144 (mark_stmt_status): Renamed from mark_stmt_state.
11145 (init_stmt): Don't call init_eh.
11146 (init_stmt_for_function): Don't call init_eh_for_function.
11147 * toplev.c (compile_file): Call init_eh.
11148 (rest_of_compilation): Free basic block info before ggc_collect.
11149 Call free_after_parsing; conditionally call free_after_compilation.
11150 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11151 Check not null before marking.
11152 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11154 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11156 * c-lex.c (yylex): Initialize warn.
11158 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11160 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11161 register when performing secondary reloads for the SAR register.
11163 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11165 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11166 (NOTE_BLOCK): New macro.
11167 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11168 * function.h (identify_blocks): Change prototype.
11169 * function.c (identify_blocks): Simplify.
11170 (reorder_blocks): Likewise.
11171 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11172 NOTE_INSN_BLOCK_{BEG,END}.
11173 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11174 the list of saved notes if the note isn't a
11175 NOTE_INSN_BLOCK_{BEG,END}.
11176 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11178 (reemit_notes): Adjust recreation of notes to reflect new saved
11180 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11181 printing a block note.
11182 * stmt.c (block_vector): Remove.
11183 (find_loop_tree_blocks): Simplify.
11184 (unroll_block_trees): Likewise.
11185 * tree.h (reorder_block): Change prototype.
11187 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11189 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11190 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11191 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11192 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11193 (atexit, exit): Simplify.
11194 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11195 * config/lots: Remove defns of HAVE_ATEXIT.
11197 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11199 * calls.c (precompute_arguments): Fix typo in comment.
11200 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11203 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11205 * dsp16xx.c (override_options): Fix typos in GC root registration.
11207 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11209 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11210 from config/svr4.h.
11211 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11212 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11213 (CC1_SPEC): Likewise.
11215 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11217 * genattr.c (main): Add extern prototype. Call return, not exit.
11218 * genattrtab.c (main): Likewise.
11219 * gencheck.c (main): Likewise.
11220 * gencodes.c (main): Likewise.
11221 * genconfig.c (main): Likewise.
11222 * genemit.c (main): Likewise.
11223 * genextract.c (main): Likewise.
11224 * genflags.c (main): Likewise.
11225 * gengenrtl.c (main): Likewise.
11226 * genopinit.c (main): Likewise.
11227 * genoutput.c (main): Likewise.
11228 * genpeep.c (main): Likewise.
11229 * genrecog.c (main): Likewise.
11231 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11232 * genattrtab.c (get_insn_name): Likewise.
11233 * gencodes.c (get_insn_name): Likewise.
11234 * genconfig.c (get_insn_name): Likewise.
11235 * genemit.c (get_insn_name): Likewise.
11236 * genextract.c (get_insn_name): Likewise.
11237 * genflags.c (get_insn_name): Likewise.
11238 * genopinit.c (get_insn_name): Likewise.
11239 * genpeep.c (get_insn_name): Likewise.
11241 * gencheck.c (usage): Add static prototype.
11242 * genextract.c (print_path): Constify a char*.
11243 * genopinit.c (optabs): Likewise.
11244 * genoutput.c (operand_data, data, output_predicate_decls,
11245 compare_operands): Likewise.
11246 * genrecog.c (write_tree): Add default case in switch.
11248 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11250 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11252 * print-rtl.c (get_insn_name): Remove prototype.
11254 * toplev.h (progname): Declare const.
11256 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11257 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11258 dump_sched_info, dump_local_alloc, regset_release_memory,
11259 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11260 error_with_file_and_line, error_with_decl, error_for_asm, error,
11261 fatal, warning_with_file_and_line, warning_with_decl, warning,
11262 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11263 Remove redundant prototypes.
11265 (notice, check_lang_option, report_file_and_line, vnotice,
11266 mark_file_stack): Add static prototype.
11267 (set_fatal_function): Add prototype.
11268 (vnotice, report_file_and_line, set_fatal_function,
11269 check_lang_option): Constify a char*.
11270 (main): Prototype. Call return, not exit.
11272 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11274 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11276 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11278 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11280 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11282 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11284 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11285 behave as if it's zero in all cases.
11286 (expand_function_start): Adjust call to assign_parms.
11287 * tree.h (assign_parms): Adjust prototype.
11288 * objc/objc-act.c (hack_method_prototype): Adjust call to
11291 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11293 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11294 arg_pointer_rtx fixed if the argument pointer register is
11296 (NONZERO_BASE_PLUS_P): Likewise.
11298 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11300 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11301 match_insn2 to match_insn.
11302 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11304 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11306 * Makefile.in (USER_H): Remove va-foo.h.
11308 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11309 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11310 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11311 va-spur.h,va-v850.h}: Remove.
11313 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11315 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11316 (in_return_delay): Use it instead of match_insn.
11318 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11320 * config/alpha/va_list.h (va-alpha.h): Do not include.
11321 (__gnuc_va_list): Typedef as in varargs.h.
11323 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11325 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11326 DECL_LIVE_RANGE_RTL.
11328 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11330 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11331 not NOTE_BLOCK_NUMBER.
11332 (expand_eh_region_end): Likewise.
11333 (find_exception_handler_labels): Likewise.
11334 (scan_region): Likewise.
11335 (exception_optimize): Likewise.
11336 (update_rethrow_references): Likewise.
11337 (set_insn_eh_region): Likewise.
11338 * final.c (final_scan_insn): Likewise.
11339 * flow.c (make_edges): Likewise.
11340 * integrate.c (expand_inline_function): Likewise.
11341 * print-rtl.c (print_rtx): Likewise.
11343 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11345 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11346 terms of builtin functions and types.
11348 * mips.c (mips_build_va_list): New.
11349 (mips_va_start, mips_va_arg): New.
11350 * mips.h (BUILD_VA_LIST_TYPE): New.
11351 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11353 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11354 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11355 * sh.h (BUILD_VA_LIST_TYPE): New.
11356 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11358 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11360 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11361 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11362 (struct insn_data): Likewise with n_operands, n_dups,
11363 n_alternatives, output_format.
11364 * regclass.c (scan_one_insn): Cast n_operands to int before
11365 arithmetic inside comparison.
11367 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11369 * toplev.c (compile_function): Unconditionally emit nop.
11371 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11373 * haifa-sched.c (actual_hazard): Move declaration of variable
11374 `this_cost' into the scope where it is used.
11376 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11378 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11379 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11380 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11382 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11384 * jump.c (find_insert_position): Don't declare or define unless
11385 !HAVE_conditional_arithmetic.
11386 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11388 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11390 * recog.c (offsettable_address_p): Prototype function pointer.
11391 (preprocess_constraints): Call memset, not bzero.
11393 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11394 (gcc_obstack_init): Don't declare.
11395 (fix_sizetype): Add static prototype.
11396 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11397 (tree_cons): Call memset, not bzero.
11399 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11400 definition in macro ASM_WEAKEN_LABEL.
11401 (mark_const_hash_entry): Add static prototype.
11403 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11405 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11407 * unroll.c (find_common_reg_term, subtract_reg_term,
11408 loop_find_equiv_value): Add static prototypes.
11409 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11410 (copy_loop_body): Remove unreachable break statement.
11412 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11414 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11416 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11418 Undo some changes from the gcc2 merge:
11419 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11420 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11424 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11425 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11426 initialized float-int union if the value is a NaN.
11428 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11430 * gthr-win32.h: New file.
11432 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11433 shared as a valid attribute.
11434 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11435 * extend.texi: Document `shared' variable attribute.
11437 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11439 * configure.in: Handle --enable-threads on FreeBSD.
11440 * configure: Rebuit.
11442 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11444 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11446 * configure: Rebuilt.
11448 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11449 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11450 Rosimildo DaSilva <rdasilva@connecttel.com>
11452 * configure.in (m68k-*-rtemscoff*): Added.
11453 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11454 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11455 sparc-rtems configuration.
11456 * configure.in (sparc-*-rtemself*): Added.
11457 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11458 * config/i386/rtems.h: Added comment.
11459 * config/sparc/rtemself.h: New file.
11461 * configure.in (m68k-rtemself): Added.
11462 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11463 and DWARF_DEBUGGING_INFO.
11464 * config/m68k/crti.s: New file.
11465 * config/m68k/crtn.s: New file.
11466 * config/m68k/t-crtstuff: New file.
11467 * config/m68k/rtemself.h: New file.
11469 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11470 global ctor/dtor and C++ exception handling.
11471 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11472 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11474 * config/i386/t-rtems-i386: New File.
11476 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11478 * stmt.c (expand_end_case): Return right away if the case stack is
11481 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11483 * Makefile.in (version.c): Remove rule incorrectly brought in from
11486 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11488 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11489 * msdos/top.sed: Take into account a prepended $(SHELL) to
11491 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11493 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11495 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11497 * regmove.c (fixup_match_1): Don't change an unchanging register.
11498 (stable_but_for_p): Renamed to:
11499 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11500 Changed all callers.
11502 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11504 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11505 insn from BL2 is after the insn from BL.
11507 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11509 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11510 (struct insn_data): Merge `template' and `outfun' into `output'.
11511 Add `output_format'.
11512 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11513 (struct data): Remove `outfun'; add `output_format'.
11514 (name_for_index): Remove declaration.
11515 (output_insn_data): Handle output formats.
11516 (process_template): Emit the bare array for @.
11517 (gen_expand, gen_split): Set output_format to NONE.
11518 * output.h (get_insn_template): Declare.
11519 * final.c (get_insn_template): New.
11520 (final_scan_insn): Use it.
11521 * toplev.c (compile_file): Likewise.
11523 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11524 * i860/i860.c (output_delayed_branch): Likewise.
11525 (output_delay_insn): Likewise.
11527 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11529 * rtl.c (obstack_alloc_rtx): Removed.
11531 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11533 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11535 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11537 * i386.c (call_insn_operand): Reject const_int.
11538 (expander_call_insn_operand): Use call_insn_operand.
11540 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11542 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11544 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11546 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11547 Use DImode operation.
11549 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11551 * gcc.c: Include sys/resource.h.
11552 (report_times): New flag.
11553 (execute): If report_times is set, calculate and report the
11554 CPU time consumed by each subprocess.
11556 (rus, prus): New globals.
11557 (option_map): Add --time.
11558 (display_help): Document -time.
11559 (process_command): Set report_times if -time is given.
11560 Turn off -pipe if -time is given.
11562 * invoke.texi: Document new option -time.
11564 * configure.in: Check for getrusage. Check if we have to
11565 prototype getrusage.
11566 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11567 * configure: Regenerate.
11568 * config.in: Regenerate.
11570 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11572 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11575 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11577 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11578 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11579 (nan): Return _thenan_sf or _thenan_df as appropriate.
11580 (L_thenan_sf): Define _thenan_sf.
11581 (L_thenan_df): Define _thenan_df.
11583 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11584 (DPBIT_FUNCS): Add _thenan_df.
11586 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11588 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11591 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11593 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11596 (lang_specific_driver): Don't take a function pointer parameter.
11597 All callers changed.
11599 * gcc.c: Include gcc.h.
11600 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11601 lang_specific_extra_outfiles, fatal): Don't declare.
11602 (multilib_defaults_raw): Constify.
11603 (read_specs): Call memset, rather than bzero.
11604 (main): Call return, not exit.
11605 (lookup_compiler): Call memcpy, not bcopy.
11606 (fatal): Make extern.
11608 * cppspec.c: Include gcc.h.
11609 (lang_specific_driver): Initialize variable `quote'. Constify a
11610 char*. All calls to the function pointer parameter now
11611 explicitly call `fatal'.
11613 * gccspec.c (lang_specific_driver): Include gcc.h.
11615 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11617 * arm.c (note_invalid_constants): Use recog_data.operand_type
11620 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11622 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11625 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11626 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11627 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11628 reload_secondary_in_reload, reload_secondary_out_reload,
11629 reload_secondary_in_icode, reload_secondary_out_icode,
11630 reload_reg_rtx, reload_when_needed): Delete declarations.
11631 (struct reload): New structure.
11632 (rld): Declare new array.
11633 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11634 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11635 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11636 reload_secondary_in_reload, reload_secondary_out_reload,
11637 reload_secondary_in_icode, reload_secondary_out_icode,
11638 reload_reg_rtx, reload_when_needed): Delete definitions.
11640 (whole file): Replace uses of the deleted arrays with uses of rld.
11641 * reload1.c (whole file): Replace uses of the deleted arrays with
11643 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11644 explicit loops, not with bcopy.
11646 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11648 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11649 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11650 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11651 insn_name): Delete and consolidate into new structures.
11652 (insn_operand_predicate_fn): New.
11653 (insn_output_fn): New.
11654 (insn_gen_fn): New.
11655 (struct insn_operand_data): New.
11656 (struct insn_data): New.
11658 (OUT_FCN): Update for insn_data change.
11659 * builtins.c (expand_builtin_strlen): Likewise.
11660 (expand_builtin_memcmp): Likewise.
11661 * combine.c (make_extraction, simplify_comparison): Likewise.
11662 * cse.c (canon_reg, cse_insn): Likewise.
11663 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11664 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11665 (emit_store_flag): Likewise.
11666 * expr.c (convert_move, emit_block_move): Likewise.
11667 (clear_storage, emit_push_insn, expand_increment): Likewise.
11668 (do_store_flag): Likewise.
11669 * expr.h (GEN_FCN): Likewise.
11670 (insn_gen_function): Die.
11671 * final.c (final_scan_insn): Update for insn_data change.
11672 (output_asm_name): Likewise.
11673 * function.c (fixup_var_refs_1): Likewise.
11674 * loop.c (check_dbra_loop): Likewise.
11675 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11676 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11677 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11678 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11679 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11680 * regmove.c (gen_add3_insn): Likewise.
11681 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11682 (find_reloads, find_reloads_address_1): Likewise.
11683 (debug_reload_to_stream): Likewise.
11684 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11685 * stmt.c (expand_end_case): Likewise.
11686 * toplev.c (compile_file): Likewise.
11688 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11689 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11691 * print-rtl.c (insn_name_ptr): Remove declaration.
11692 (get_insn_name): Declare.
11693 (print_rtx): Use it.
11694 * genoutput.c (insn_name_ptr): Remove.
11695 (next_operand_number): New.
11696 (struct operand_data): New.
11697 (null_operand, odata, odata_end): New.
11698 (struct data): Use struct operand_data.
11699 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11700 (get_insn_name): Renamed from name_for_index.
11701 (output_prologue): Define NO_MD_PROTOTYPES.
11702 (output_predicate_decls): Break out from output_epilogue.
11703 Iterate over the operands list.
11704 (output_operand_data): Break out from output_epilogue. Emit
11705 just the operands list.
11706 (output_insn_data): Break out from output_epilogue. Emit just
11708 (output_epilogue): Remove.
11709 (output_get_insn_name): New.
11710 (constraints, op_n_alternatives, predicates, address_p): Die.
11711 (modes, strict_low, seen): Die.
11712 (scan_operands): Take new param `d' instead of writing to
11713 seven global variables.
11714 (compare_operands): New.
11715 (place_operands): New.
11716 (validate_insn_alternatives): Update for struct data change.
11717 (gen_insn): Don't zero or copy 7 global arrays. Update for
11718 scan_operands; call place_operands.
11719 (gen_peephole, gen_expand, gen_split): Likewise.
11720 (main): Update for new output routines.
11722 * genattr.c (insn_name_ptr): Remove.
11723 (get_insn_name): New function.
11724 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11725 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11726 * genrecog.c: Likewise.
11728 * alpha.md (adddi3): Make `pattern' array static.
11730 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11732 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11733 c4x_cpu_version_string): Constify char *.
11734 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11735 c4x_cpu_version_string): Likewise.
11737 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11739 * tree.c (save_tree_status): Revert 10 Sep change.
11740 (restore_tree_status): Likewise. Call obstack_free with NULL
11741 before freeing the obstack proper.
11743 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11745 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11747 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11748 surrounding context.
11750 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11752 * tree.c (type_hash_canon): Put all types in the hash-table, when
11755 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11757 * recog.h (struct recog_data, recog_data): New.
11758 (recog_foo variables): Kill.
11759 * recog.c (recog_operand, recog_operand_loc): Kill.
11760 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11761 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11762 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11763 (recog_data): Define.
11764 (extract_insn): Update all recog_foo references to use recog_data.
11765 (preprocess_constraints, constrain_operands): Likewise.
11766 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11767 * genattrtab.c (main): Likewise.
11768 * genextract.c (main): Likewise.
11769 * genoutput.c: Likewise.
11770 * genrecog.c (write_subroutine, main): Likewise.
11771 * local-alloc.c (block_alloc): Likewise.
11772 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11773 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11774 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11775 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11776 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11777 (reload_cse_simplify_operands): Likewise.
11779 * arc/arc.c (arc_final_prescan_insn): Likewise.
11780 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11781 * h8300/h8300.c (notice_update_cc): Likewise.
11782 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11783 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11784 * mn10200/mn10200.c (notice_update_cc): Likewise.
11785 * mn10300/mn10300.c (notice_update_cc): Likewise.
11786 * romp/romp.c (update_cc): Likewise.
11787 * sparc/sparc.c (check_pic): Likewise.
11788 * v850/v850.c (notice_update_cc): Likewise.
11790 * genemit.c (main): Don't declare recog_operand.
11792 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11794 * ggc.h (rtvec_def): Forward declare.
11795 (tree_node): Likewise.
11796 (ggc_root): Define.
11798 (ggc_set_mark_rtx): Add prototype.
11799 (ggc_set_mark_rtvec): Likewise.
11800 (ggc_set_mark_tree): Likewise.
11801 * ggc-simple.c (ggc_root): Don't define.
11802 (roots): Don't declare.
11803 (ggc_mark_rtx): Remove.
11804 (ggc_mark_rtvec): Likewise.
11805 (ggc_mark_tree): Likewise.
11806 (ggc_mark_varray): Likewise.
11807 (ggc_mark_tree_hash_table_entry): Likewise.
11808 (ggc_mark_tree_hash_table): Likewise.
11809 (ggc_set_mart_rtx): New function.
11810 (ggc_set_mark_rtvec): Likewise.
11811 (ggc_set_mark_tree): Likewise.
11812 (ggc_add_root): Remove.
11813 (ggc_add_rtx_root): Likewise.
11814 (ggc_remove_tree_root): Likewise.
11815 (ggc_add_string_root): Likewise.
11816 (ggc_add_tree_varray_root): Likewise.
11817 (ggc_add_tree_hash_table_root): Likewise.
11818 (ggc_del_root): Likewise.
11819 (ggc_mark_rtx_ptr): Likewise.
11820 (ggc_mark_tree_ptr): Likewise.
11821 (ggc_mark_string_ptr): Likewise.
11822 (ggc_mark_tree_varray_ptr): Likewise.
11823 (ggc_mark_tree_hash_table_ptr): Likewise.
11824 * ggc-common.c: New file.
11825 * Makefile.in (OBJS): Add ggc-common.o.
11826 (ggc-common.o): List dependencies.
11828 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11830 * cppalloc.c (xstrdup): Use memcpy.
11831 * cpperror.c (cpp_print_containing_files): Don't use
11833 * cpplib.c (conditional_skip): Set temp->lineno.
11834 (do_endif): Make error message less obscure.
11835 (if_directive_name): New function.
11836 (cpp_get_token [case EOF]): Unwind the if stack and generate
11837 error messages for each unterminated conditional in this file.
11838 (parse_string): Do not behave differently if -traditional.
11840 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11842 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11843 va_list decomposing to pointer-type.
11844 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11845 (rs6000_va_arg): Likewise.
11847 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11849 * except.c (start_dynamic_handler): Compute size using
11850 STACK_SAVEAREA_MODE.
11852 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11854 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11855 include directory headers. Don't define strrchr. Don't provide
11856 my_* replacement functions. Prefer PTR over `pointer_type'.
11857 Don't prototype system functions. Don't redefine getopt.
11859 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11860 safe_read, safe_write, save_pointers, restore_pointers,
11861 is_id_char, in_system_include_dir, directory_specified_p,
11862 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11863 find_corresponding_lparen, referenced_file_is_newer,
11864 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11865 process_aux_info_file, identify_lineno, check_source,
11866 seek_to_line, forward_to_next_token_char, output_bytes,
11867 output_string, output_up_to, other_variable_style_function,
11868 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11869 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11870 find_static_definition, connect_defs_and_decs, add_local_decl,
11871 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11872 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11873 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11874 scan_for_missed_items, edit_file, string_list_cons): Add static
11876 (standard_exec_prefix, target_machine, target_version,
11877 default_syscalls_dir, string_list, string_list_cons, find_file,
11878 do_cleaning): Constify a char*.
11879 (safe_read, safe_write): Use PTR, not a char*.
11880 (is_id_char): Take an int, not a char.
11881 (main): Add prototype. Call return, not exit.
11883 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11885 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11886 when comparing types.
11888 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11890 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11891 (strength_reduce): Release the varrays from the no-bivs early exit.
11893 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11894 the loop over the registers.
11896 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11898 (restore_tree_status): Check that instead when freeing the obstack.
11900 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11902 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11905 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11907 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11908 operand size modifiers.
11910 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11912 * c-common.c (c_common_nodes_and_builtins): Don't build
11914 * c-common.h (enum c_tree_index and related accesor macros): Remove
11915 everything now declared in tree.h.
11916 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11917 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11918 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11919 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11920 unsigned_type_node, ptr_type_node, va_list_type_node,
11921 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11922 (init_decl_processing): Call build_common_tree_nodes and
11923 build_common_tree_nodes_2 instead of building their nodes here.
11924 Don't add roots for these nodes.
11925 * stor-layout.c (size_zero_node, size_one_node): Delete.
11926 (set_sizetype): Make a new node for bitsizetype each time.
11927 * tree.c (global_trees): New variable.
11928 (init_obstacks): Add a gc root for it.
11929 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11930 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11931 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11932 (build_common_tree_nodes): New function.
11933 (fix_sizetype): New function.
11934 (build_common_tree_nodes_2): New function.
11935 * tree.h (enum tree_index): New.
11936 (global_trees): Declare.
11937 Add accessor macros for all nodes now moved to global_trees.
11938 Delete their declarations.
11940 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11942 * c-decl.c (finish_function): When processing a nested function,
11943 push and pop GC context around rest_of_compilation.
11945 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11947 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11948 Default ix86_arch to PROCESSOR_I386.
11949 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11950 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11951 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11952 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11953 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11954 (EXTRA_SPECS): Remove deleted specs.
11956 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11958 * function.c (assign_stack_local_1): Allocate from
11959 function->x_frame_offset, not frame_offset.
11961 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11963 * ggc.h (lang_cleanup_tree): Remove.
11964 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11965 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11967 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11968 TYPE_LANG_SPECIFIC when garbage collecting.
11969 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11970 (lang_cleanup_tree): Remove.
11972 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11974 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11975 * crtstuff.c: Not here.
11976 * dwarf2out.c: Or here.
11977 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11980 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11982 * function.h (free_after_compilation): Remove decl parameter.
11983 (free_varasm_status0: Likewise.
11984 (free_emit_status): Likewise.
11985 (free_stmt_status): Likewise.
11986 (free_after_compilation): Likewise.
11987 (init_lang_status): New variable.
11988 (free_lang_status): Likewise.
11989 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11990 * function.c (init_lang_status): New variable.
11991 (free_lang_status): Likewise.
11992 (push_function_context_to): Don't set function::decl here.
11993 (free_after_copmilation): Make decl parameter implicit. Call
11994 free_lang_status if defined.
11995 (prepare_function_start): Call init_lang_status if defined.
11996 (init_function_start): Set function::decl here.
11997 * profile.c (output_func_start_profiler): Don't call pushdecl
11998 until we've actually started the function.
11999 * stmt.c (free_stmt_status): Make decl parameter implicit.
12000 * toplev.c (rest_of_compilation): Don't pass decl to
12001 free_after_compilation.
12002 * varasm.c (free_varasm_status): Likewise.
12004 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12006 * except.c (call_get_eh_context): Add root when allocating static
12009 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12011 * arm.c: Include "ggc.h".
12012 (arm_add_gc_roots): New function.
12013 (arm_override_options): Call it.
12014 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12016 * arm.md (define_asm_attributes): Add a pool_range attribute.
12018 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12020 * extend.texi (Volatiles): New node.
12022 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12024 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12025 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12026 (struct ggc_any): Replace `mark' with `magic_mark'.
12027 (ggc_alloc_string): Use memcpy, not bcopy.
12028 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12029 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12030 (ggc_free_any): New.
12031 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12032 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12033 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12034 Use IS_MARKED. Use ggc_free_any.
12036 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12038 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12040 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12042 * toplev.c (main): Always init_ggc.
12044 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12046 * except.c (find_all_handler_type_matches): Free the list if
12047 we found no matches.
12049 * combine.c (SUBST): Break out to a real function do_SUBST.
12050 (SUBST_INT): Likewise.
12051 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12052 (pre_insert): Free `inserted'.
12053 * loop.c (basic_induction_var): Always set `location'.
12055 * function.c (expand_function_end): Add initial_trampoline as a root.
12056 * rtl.h (init_varasm_once): Declare.
12057 * toplev.c (compile_file): Call it.
12058 * ggc-simple.c (ggc_mark_string_ptr): New.
12059 (ggc_add_string_root): New.
12060 (ggc_collect): Disable collection avoidance temporarily.
12061 * ggc.h (ggc_add_string_root): Declare.
12062 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12063 * optabs.c (init_libfuncs): Likewise.
12064 * varasm.c (named_section): Use ggc_alloc_string.
12065 (make_function_rtl): Likewise.
12066 (make_decl_rtl): Likewise.
12067 (assemble_static_space): Likewise.
12068 (assemble_trampoline_template): Likewise.
12069 (output_constant_def): Likewise.
12070 (force_const_mem): Likewise.
12071 (mark_const_hash_entry): New.
12072 (mark_pool_sym_hash_table): New.
12073 (mark_varasm_state): Use it.
12074 (init_varasm_once): New.
12076 * expr.h (init_one_libfunc): Declare.
12077 * optabs.c (init_one_libfunc): New.
12078 (init_optabs): Use it.
12079 * config/gofast.h: Likewise.
12080 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12081 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12083 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12085 * Makefile.in (cppexp.o): Depend on cpphash.h.
12086 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12088 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12089 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12090 redefining poisoned identifiers, etc.
12091 (do_undef): Don't allow poisoned identifiers to be undefined.
12092 (do_pragma): Add #pragma poison.
12093 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12095 * cccp.c: Add T_POISON node type.
12096 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12098 (do_define): Generalise to handle poisoned definitions,
12099 redefining poisoned identifiers, etc.
12100 (do_undef): Don't allow poisoned identifiers to be undefined.
12101 (do_pragma): Add #pragma poison.
12102 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12104 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12105 * c-pragma.h: Add ps_poison state. We now always have generic
12108 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12110 * ggc.h (ggc_alloc): New function.
12111 (ggc_mark): Likewise.
12112 * ggc-simple.c (ggc_any): New structure.
12113 (ggc_status): Add anys.
12114 (n_anys_collected): New variable.
12115 (ggc_alloc): Define.
12116 (ggc_mark): Likewise.
12117 (ggc_collect): Collect the anys.
12119 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12121 * c-decl.c (mark_binding_level): Make static to match prototype.
12123 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12125 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12127 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12129 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12130 will use into account. Expand the max width to 5.
12133 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12135 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12136 for the rtx length.
12138 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12140 * alpha.md (call value patterns): Remove the result predicates.
12142 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12144 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12147 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12149 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12150 changed from extern char *, to extern PTR. Also fix typo in
12151 NEED_DECLARATION_REALLOC test.
12153 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12155 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12157 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12158 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12159 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12160 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12162 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12164 * cccp.c (pcfinclude): Likewise.
12166 * global.c (allocno_compare): Likewise.
12168 * haifa-sched.c (rank_for_schedule): Likewise.
12170 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12172 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12174 * stupid.c (stupid_reg_compare): Likewise.
12176 * tree.c (_obstack_allocated_p): Likewise.
12178 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12180 1999-09-08 Bruce Korb autogen@linuxbox.com
12182 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
12183 why "gperf -F" fails.
12184 * gcc/cp/Makefile.in: ditto
12185 * gcc/Makefile.in: ditto
12186 * gcc/java/Makefile.in: ditto
12188 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12190 * lists.c: Include ggc.h.
12192 (init_EXPR_INSN_LIST_cache): Install it.
12194 * ggc-simple.c (init_ggc): Absorb the old init.
12195 (ggc_push_context): Use xcalloc.
12196 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12197 (ggc_collect): Add [rvts] tags to the collection stats.
12199 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12201 * cccp.c (main): Fix handling of -include and -imacros options.
12203 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12205 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12207 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12209 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12212 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12214 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12215 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12216 and SET_DEST. Update comment.
12218 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12220 * config/c4x/c4x.c: Include ggc.h.
12221 (c4x_add_gc_roots): New function.
12222 (c4x_override_options): Call c4x_add_gc_roots.
12224 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12226 * defaults.h (TARGET_ESC): Move ...
12227 * system.h: ... here, where Linas had it in the first place. Silly me.
12229 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12231 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12232 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12233 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12234 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12235 * defaults.h (TARGET_ESC): Add default.
12237 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12239 * configure.in: add i370-*-openedition, i370-*-mvs and
12240 i370-*-linux targets
12242 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12244 * dsp16xxx.c: Include ggc.h
12245 (override_options): Mark GC roots.
12246 * mn10200.c: Include ggc.h.
12247 (asm_file_start): Mark GC roots.
12248 * tahoe.c: Include ggc.h.
12249 (extensible_operand): Mark GC roots.
12251 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12253 * README: Add section discussing status of ELF ABI.
12254 * i370.c: Fix misc spelling mistakes.
12255 (i370_label_scan): Updated notes, exception handling.
12256 (i370_function_prolog): Simplify ELF stack handling.
12257 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12258 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12259 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12260 * i370.md: (movdi): Add notes.
12261 (floatsidf2): Use stack not rtca for scratch float area.
12262 (iorsi3): Correct operand constraints.
12263 * x-oe: Restore TAROUTOPTS which are used by pax.
12265 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12267 * rs6000.c: Include ggc.h.
12268 (rs6000_add_gc_roots): New function.
12269 (override_options): Call it.
12271 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12273 * alpha.h (alpha_compare): New.
12274 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12275 * alpha.c: Likewise for the definitions.
12276 (alpha_emit_conditional_branch): Update for alpha_compare.
12277 (alpha_emit_conditional_move): Likewise.
12278 * alpha.md (cmpdf, cmpdi): Likewise.
12279 (setcc patterns): Likewise. Zero alpha_compare after use.
12280 (sne): Optimize (x != 0) into (0U < x).
12282 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12284 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12285 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12286 (INIT_EXPANDERS): Remove.
12287 * alpha.c: Include ggc.h.
12288 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12289 (alpha_init_machine_status, alpha_mark_machine_status): New.
12290 (override_options): Install them.
12291 (struct machine_function): Moved to alpha.h.
12292 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12293 (alpha_init_expanders): Remove.
12294 (alpha_return_addr): Adjust to use current_function->machine.
12295 (alpha_ra_ever_killed): Likewise.
12296 (alpha_expand_epilogue): Likewise.
12297 * alpha.md (eh_epilogue): Likewise.
12299 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12300 Melissa O'Neill <oneill@cs.sfu.ca>
12301 Geoffrey Keating <geoffk@cygnus.com>
12303 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12304 call-used registers (call-saved registers must still be contiguous
12305 and end with r31, of course).
12307 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12309 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12310 (self_promoting_type_p): Delete.
12311 (self_promoting_args_p): Move ...
12312 * c-common.c: ... here.
12313 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12314 (simple_type_promotes_to): New.
12315 * builtins.c (lang_type_promotes_to): New.
12316 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12317 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12318 * c-common.h: ... here.
12319 (self_promoting_args_p, simple_type_promotes_to): Declare.
12320 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12321 (grokdeclarator): Likewise.
12322 * tree.h (lang_type_promotes_to): Declare.
12324 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12326 Add some machine-dependent GC roots.
12327 * sparc.c: Include ggc.h.
12328 (sparc_add_gc_roots): New function.
12329 (mark_ultrasparc_pipeline_state): Likewise.
12330 (override_options): Call sparc_add_gc_roots.
12331 * pa.c: Include ggc.h.
12332 (pa_add_gc_roots): New function.
12333 (mark_deferred_plabels): Likewise.
12334 (override_options): Call pa_add_gc_roots.
12335 * mips.c: Include ggc.h.
12336 (mips_add_gc_roots): New function.
12337 (override_options): Use it.
12339 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12341 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12343 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12344 cpp_parse_expr): Add static prototypes.
12345 (parse_charconst): Don't cast away const-ness.
12346 (token): Constify a char*.
12348 * cppfiles.c (file_name_list, include_hash, find_include_file,
12349 finclude, initialize_input_buffer): Constify a char*.
12350 (file_cleanup, find_position): Add static prototypes.
12352 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12353 collect_expansion): Add static prototypes.
12354 (cpp_install, create_definition, monthnames): Constify a char*.
12356 * cpphash.h (cpp_install): Likewise.
12358 * cppinit.c (known_suffixes, default_include,
12359 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12360 (base_name, dump_special_to_buffer, initialize_dependency_output):
12361 Add static prototypes.
12363 * cpplib.c (my_strerror): Constify a char*.
12364 (null_underflow, null_cleanup, skip_comment, copy_comment,
12365 copy_rest_of_line, handle_directive, pass_thru_directive,
12366 get_directive_token, read_line_number, cpp_print_file_and_line,
12367 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12368 v_cpp_warning_with_line, detect_if_not_defined,
12369 consider_directive_while_skipping): Add static prototypes.
12370 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12371 cpp_pedwarn_with_file_and_line): Constify a char*.
12373 * cpplib.h (cpp_options, include_hash, progname, definition,
12374 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12375 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12376 find_include_file, deps_output, include_hash): Constify a char*.
12378 * cppmain.c (progname): Constify.
12379 (main): Add prototype. Use return, not exit.
12381 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12382 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12383 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12384 check_protection): Add static prototype.
12386 (progname, recognized_macrom, recognized_extern): Constify a char*.
12387 (main): Add prototype.
12389 * gen-protos.c (progname): Constify a char*.
12391 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12393 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12394 (init_emit_once): Add more GC roots.
12395 * except.c (mark_func_eh_entry): New function.
12396 (mark_eh_node): Mark false_label and rethrow_label.
12397 (init_eh): Add more GC roots.
12398 * function.c (free_after_compilation): Take decl as a paramter.
12399 Call free_stmt_status.
12400 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12402 * function.h (free_after_compilation): Change prototype.
12403 (free_varasm_status): Likewise.
12404 (free_emit_status): Likewise.
12405 (free_stmt_status): New function.
12406 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12407 Remove, replacing with ...
12408 (ggc_status): New structure.
12409 (ggc_chain): New variable.
12410 (init_gcc): Define.
12411 (ggc_push_context): New function.
12412 (ggc_pop_context): Likewise.
12413 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12414 (ggc_alloc_rtvec): Likewise.
12415 (ggc_alloc_tree): Likewise.
12416 (ggc_alloc_string): Likewise.
12417 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12418 (ggc_mark_tree): Give language-dependent code a chance to mark
12420 (ggc_mark_tree_varray): Handle empty arrays.
12421 (ggc_collect): Adjust for use of ggc_chain. Clear
12422 bytes_alloced_since_last_gc.
12423 * ggc.h (ggc_pop_context): New function.
12424 (ggc_push_context): Likewise.
12425 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12426 * stmt.c (free_stmt_status): New function.
12427 (init_stmt_for_function): Clear last_expr_value.
12428 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12429 Conditionalize call to ggc_collect.
12430 (main): Call init_ggc.
12431 * tree.c (push_obstacks): Do the push, even when GC'ing.
12432 (push_obstacks_nochange): Likewise.
12433 (pop_obstacks): Liekwise.
12434 * varasm.c (free_varasm_status): Take decl as a parameter.
12436 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12438 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12439 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12440 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12441 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12443 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12445 * pa/x-pa-mpeix: New file for the MPE port.
12447 * pa/quadlib.asm: New file for long double support.
12449 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12450 * configure: Rebuilt.
12452 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12454 * final.c (shorten_branches): Fix last change.
12456 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12458 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12460 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12462 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12465 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12467 * c-aux-info.c (concat): Don't define.
12469 * cccp.c (my_strerror): Likewise. All callers changed to use
12471 (do_include): Call xstrdup, not xmalloc/strcpy.
12472 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12473 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12475 * collect2.c (my_strsignal): Likewise. All callers changed to use
12477 (locatelib): Call xstrdup, not xmalloc/strcpy.
12479 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12481 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12483 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12485 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12487 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12489 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12491 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12493 (find_all_handler_type_matches): Likewise. Don't check return
12495 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12496 xmalloc, not malloc.
12497 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12499 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12500 (init_spec): Call xcalloc, not xmalloc/bzero.
12501 (set_spec): Call xstrdup, not save_string.
12502 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12503 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12504 (process_command): Call xstrdup, not save_string.
12505 (main): Call xcalloc, not xmalloc/bzero.
12507 * gcov.c (xmalloc): Don't define.
12508 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12509 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12510 (output_data): Call xcalloc, not xmalloc/bzero.
12512 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12514 * mips-tdump.c (xmalloc): Don't define.
12515 (print_symbol): Call xmalloc, not malloc.
12516 (read_tfile): Call xcalloc, not calloc.
12518 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12519 Don't define. All callers of xfree/my_strsignal changed to use
12520 free/strsignal instead.
12521 (allocate_cluster): Call xcalloc, not calloc.
12523 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12524 Fix memory leak, free allocated memory.
12526 * prefix.c (translate_name): Call xstrdup, not save_string.
12527 (update_path): Likewise.
12529 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12531 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12532 Don't define. Callers of xfree/savestring2 changed to use
12533 free/concat instead.
12535 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12536 (init_elim_table): Likewise.
12538 * resource.c (init_resource_info): Likewise.
12540 * stupid.c (stupid_life_analysis): Likewise.
12542 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12543 (open_dump_file): Call concat, not xmalloc/strcpy/...
12544 (clean_dump_file): Likewise.
12545 (compile_file): Call xstrdup, not xmalloc/strcpy.
12547 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12549 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12550 * v850.c (v850_va_arg): New.
12552 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12554 * haifa-sched.c: Tidy comments.
12556 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12558 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12559 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12560 $(out_object_file)): Depend on ggc.h.
12561 * c-common.c: Include "ggc.h".
12562 (combine_strings): If doing GC, use ggc_alloc_string.
12563 * c-decl.c: Include "ggc.h".
12564 (ggc_p): Define with value 0.
12565 (mark_binding_level): New function.
12566 (init_decl_processing): Add GC roots.
12567 (mark_c_function_context): New function.
12568 (lang_mark_false_label_stack): New function.
12569 (lang_mark_tree): New function.
12570 (lang_cleanup_tree): New function.
12571 * c-lang.c: Include "ggc.h".
12572 (lang_init): Call c_parse_init.
12573 * c-lex.c: Include "ggc.h".
12574 (check_linenum): If doing GC, don't copy filenames to permanent
12576 * c-parse.in: Include "ggc.h".
12577 (c_parse_init): New function.
12578 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12579 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12581 * except.c (mark_eh_state): Mark more state.
12582 * function.c (mark_function_state): Likewise.
12583 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12584 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12585 * toplev.c (mark_file_stack): New function.
12586 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12587 (main): Add root for input_file_stack.
12589 * i386.c: Include "ggc.h".
12590 (ix86_mark_machine_status): New function.
12591 (override_options): Set mark_machine_status.
12593 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12595 * tree.c (copy_node): Copy node contents also if doing GC.
12597 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12599 * collect2.c (scan_libraries): Fix double-thinko :-).
12601 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12603 * collect2.c (scan_libraries): Fix thinko.
12605 * cse.c (delete_trivially_dead_insns): Do not skip the last
12606 insn if it is a real insn.
12608 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12610 * Makefile.in (ggc-simple.o): Depend on hash.h.
12611 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12612 (ggc_mark_tree_varray): Likewise.
12613 (ggc_mark_tree_hash_table): Likewise.
12614 * ggc-simple.c: Include hash.h.
12615 (ggc_mark_tree_hash_table_ptr): New function.
12616 (ggc_mark_tree_hash_table_entry): Likewise.
12617 (ggc_mark_tree_hash_table): Likewise.
12618 (ggc_add_tree_hash_table_root): Likewise.
12619 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12620 rtx, when defining fields.
12622 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12624 * profile.c (output_func_start_profiler): Remove apparently
12625 nonsensical call to start_sequence.
12627 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12629 * clipper/clipper.c (clipper_va_start): Fix typos.
12631 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12632 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12633 (spur_va_arg): New stub.
12635 * configure.in: Comment out pyramid.
12637 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12639 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12640 don't conflict with the bits that win32, cygwin, and dgux
12643 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12644 Bernd Schmidt <bernds@cygnus.co.uk>
12646 * integrate.c (function_cannot_inline_p): Do not inline
12647 functions with forced labels.
12649 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12650 Bernd Schmidt <bernds@cygnus.co.uk>
12651 Mark Mitchell <mark@codesourcery.com>
12653 * Makefile.in (ggc-simple.o): Depend on varray.h.
12654 (rtl.o): Depend on ggc.h.
12655 (genattrtab.o): Depend on ggc.h.
12656 (print-tree.o): Likewise.
12657 (fold-const.o): Likewise.
12658 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12659 (make_insn_raw): Don't cache insns when GC'ing.
12660 (emit_insn_before): Likewise.
12661 (emit_insn_after): Likewise.
12662 (emit_insn): Likewise.
12663 (start_sequence): Use xmalloc to allocate the sequence_stack.
12664 (end_sequence): Add free to free it.
12665 (gen_sequence): Don't cache insns when GC'ing.
12666 (clear_emit_caches): Don't use sequence_element_free_list.
12667 (init_emit): Use xcalloc, not xmalloc+bzero.
12668 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12669 * function.c (pop_function_context_from): Use free to free the
12670 fixup_var_refs_queue.
12671 (put_reg_into_stack): Allocate it with xmalloc.
12672 * genattrtab.c: Include ggc.h.
12673 (operate_exp): Don't use obstack_free when GC'ing.
12674 (simplify_cond): Likewise.
12675 (simplify_text_exp): Likewise.
12676 (optimize_attrs): Likewise.
12677 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12679 (gencode): Generate a #include for ggc.h.
12680 * ggc-callbacks.c (ggc_p): Define it to zero.
12681 * ggc-none.c (ggc_p): Likewise.
12682 * ggc-simple.c: Include varray.h.
12683 (ggc_mark_tree_varray): New function.
12684 (ggc_add_tree_varray_root): Likewise.
12685 (ggc_mark_tree_varray_ptr): Likewise.
12686 * ggc.h (ggc_p): Declare.
12687 (varray_head_tag): Likewise.
12688 (ggc_add_tree_varray_root): Declare.
12689 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12690 inconsistencies when GC'ing.
12691 * rtl.c: Include ggc.h.
12692 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12693 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12694 (rtx_free): Don't call obstack_free when GC'ing.
12695 * toplev.c (rest_of_compilation): Call ggc_collect after every
12697 * tree.c (push_obstacks): Do nothing, if GC'ing.
12698 (pop_obstacks_nochange): Likewise.
12699 (pop_obstacks): Likewise.
12700 (make_node): Use ggc_alloc_tree when GC'ing.
12701 (copy_node): Likewise.
12702 (get_identifier): Use ggc_alloc_string when GC'ing.
12703 (build_string): Likewise.
12704 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12705 (tree_cons): Likewise.
12706 (build1): Likewise.
12707 (type_hash_canon): Don't call obstack_free when GC'ing.
12709 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12711 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12712 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12714 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12715 Bernd Schmidt <bernds@cygnus.co.uk>
12716 Mark Mitchell <mark@codesourcery.com>
12718 * Makefile.in (stor-layout.o): Depend on ggc.h.
12719 (expr.o): Depend on ggc.h.
12720 (profile.o): Depend on ggc.h.
12721 (stor-layout.o): Depend on ggc.h.
12722 * emit-rtl.c (init_emit_once): Add gc roots.
12723 * expr.c: Include ggc.h.
12724 (emit_block_move): Add gc roots.
12725 (clear_storage): Likewise.
12726 * expr.h (init_stor_layout_once): New function.
12727 * profile.c: Include ggc.h.
12728 (init_arc_profiler): profiler_label is a root.
12729 * scan.c (make_sstring_space): Trust xrealloc to function
12730 correctly with first parameter NULL.
12731 * stor-layout.c: Include ggc.h.
12732 (set_sizetype): Add gc root.
12733 (init_stor_layout_once): New function.
12734 * toplev.c (compile_file): Call it.
12736 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12737 Bernd Schmidt <bernds@cygnus.co.uk>
12738 Mark Mitchell <mark@codesourcery.com>
12740 * Makefile.in (tree.o): Depend on ggc.h.
12741 (varasm.o): Likewise.
12742 (function.o): Likewise.
12743 (stmt.o): Likewise.
12744 (except.o): Likewise.
12745 (optabs.o): Likewise.
12746 (emit-rtl.o): Likewise.
12747 * emit-rtl.c: Include ggc.h.
12748 (sequence_element_free_list): Remove, and all references.
12749 (mark_sequence): New functions.
12750 (mark_emit_state): New function.
12751 * except.c: Include ggc.h.
12752 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12753 (mark_tree_label_node): New functions.
12754 (mark_eh_state): New function.
12755 * function.c: Include ggc.h.
12756 (mark_temp_slot, mark_function_chain): New functions.
12757 (mark_function_state): New function.
12758 (init_function_once): New function.
12759 * function.h (init_function_once): New function.
12760 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12761 * ggc.h (label_node): Declare.
12762 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12763 (lang_mark_false_label_stack): New function.
12764 (mark_temp_slot): Remove declaration.
12765 (mark_function_chain): Likewise.
12766 (mark_eh_state): Adjust prototype.
12767 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12769 * optabs.c: Include ggc.h.
12770 (mark_optab): New function.
12771 (init_optabs): Add gc roots.
12772 * stmt.c: Include ggc.h.
12773 (mark_cond_nesting, mark_loop_nesting): New functions.
12774 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12775 (mark_stmt_state): New function.
12776 * toplev.c (compile_file): Call init_function_once.
12777 * tree.c: Include ggc.h.
12778 (type_hash): Move declaration earlier in file.
12779 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12780 (init_obstacks): Add gc roots.
12781 (mark_type_hash): New function.
12782 * varasm.c: Include ggc.h.
12783 (mark_pool_constant): New function.
12784 (mark_varasm_state): New function.
12786 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12788 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12790 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12792 * c-decl.c (struct language_function): Renamed from struct c_function.
12794 (c_function_chain): Delete.
12795 (push_c_function_context): New arg F. Don't warn about nested
12796 functions here. Fill LANGUAGE elt of F. Delete code to update
12797 c_function_chain. Don't call push_function_context.
12798 (pop_c_function_context): New arg F. Restore from there instead of
12799 from c_function_chain. Don't call pop_function_context. Clear out
12800 LANGUAGE field of F when done.
12801 * c-lang.c: Include "function.h"
12802 (lang_init): Initialize save_lang_status and restore_lang_status.
12803 * c-parse.in (nested_function, nested_function_notype): Warn about
12804 nested functions. Call push_function_context/pop_function_context
12805 instead of the _c_ variants.
12806 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12808 * Makefile.in (c-lang.o): Update dependencies.
12810 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12811 regno_pointer_flag, regno_pointer_align.
12812 (gen_reg_rtx): Use xrealloc to enlarge them.
12813 (free_emit_status): New function.
12814 * function.c (mark_machine_status, mark_lang_status): New variables.
12815 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12816 in some bits from assign_stack_local. All callers changed to use new
12818 (assign_stack_local): Just call assign_stack_local_1.
12819 (free_after_compilation): New function.
12820 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12821 (trampoline_address): Likewise.
12822 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12823 (prepare_function_start): Explicitly clear some more variables.
12824 * function.h (struct function): New elt can_garbage_collect.
12825 (mark_machine_status, mark_lang_status): Declare variables.
12826 (free_after_compilation, free_emit_status, free_varasm_status,
12827 init_varasm_status): Declare functions.
12828 * toplev.c (rest_of_compilation): Call free_after_compilation when
12829 done with the current function.
12830 * varasm.c (free_varasm_status): New function.
12832 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12834 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12835 (EXPAND_BUILTIN_VA_ARG): Define.
12836 * sparc.c (sparc_va_start): New.
12837 (sparc_va_arg): New.
12839 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12841 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12843 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12845 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12847 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12849 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12850 (OBJS): Add $(GGC).
12851 (ggc-callbacks.o): New target.
12852 * ggc-callbacks.c: New file.
12854 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12856 * expr.h: Collapse individual optab and libfunc vars to arrays.
12857 (optab_index, libfunc_index): New enumerations.
12858 (optab_table, libfunc_table): New arrays.
12859 Add accessor macros for both.
12861 * optabs.c (optab_table, libfunc_table): New.
12862 Delete declarations for individual optab and libfunc vars.
12864 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12866 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12868 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12870 * Makefile.in (GGC, GGC_LIB): New.
12871 (HOST_RTL): Include ggc-none.o.
12872 (ggc-simple.o): New target.
12873 (ggc-none.o): Likewise.
12874 * tree.h (tree_common): Add gc_mark.
12875 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12876 (struct rtvec_def): Add gc_mark.
12877 * emit-rtl.c (global_rtl): Update static initializers to contain
12878 enough initializers.
12879 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12880 * toplev.c (gc_time): New variable.
12881 (all_time): New variable.
12882 (compile_file): Print gc time.
12883 (print_time): Calculate percentage of the whole.
12885 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12887 Change obstack memory management and varasm constant pool handling so
12888 that nested functions are treated like any other functions.
12889 * function.c (init_machine_status): New variable.
12890 (push_function_context_to): Set contains_functions for the outer
12891 function. Don't call save_varasm_status.
12892 (pop_function_context_from): Don't call restore_varasm_status. Don't
12893 set current_function_contains_functions.
12894 (prepare_function_start): Call init_varasm_status rather than
12895 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12897 * function.h (struct function) Add field varasm. Delete fields
12898 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12899 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12900 (init_machine_status): Declare.
12901 (save_varasm_status, restore_varasm_status): Delete declarations.
12902 (save_tree_status, restore_tree_status): Delete last argument.
12903 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12904 code. All callers changed.
12905 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12906 save_constants_in_decl_trees, restore_constants, save_constants,
12907 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12909 (inlining): New variable.
12910 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12911 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12913 (save_for_inline_nocopy): Don't save constants.
12914 Don't set inl_emit field in current_function.
12915 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12916 function. Set new variable inlining before
12917 calling copy_rtx_and_substitute.
12918 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12919 constant pool references if inlining is nonzero.
12920 Delete ADDRESS and (most of the) CONST cases.
12921 (output_inline_function): Save and restore current_function/
12922 current_function_decl. Delete restore_constants code. Don't call
12923 init_const_rtx_hash_table.
12924 * output.h (init_const_rtx_hash_table): Don't declare.
12925 * rtl.h (struct function): Declare.
12926 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12927 * toplev.c (rest_of_compilation): Don't treat nested functions or
12928 functions containing them specially. Delete all code to deal with
12929 save_for_inline_copying.
12930 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12931 inline_obstacks): Delete variables.
12932 (save_tree_status): Lose arg CONTEXT. All callers changed.
12933 Simply allocate a new function_maybepermanent_obstack for the new
12934 function, delete all the special cases.
12935 Don't save inline_obstacks.
12936 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12937 Delete special handling for function_maybepermanent_obstack; simply
12939 Don't restore inline_obstacks.
12940 (permanent_allocation): Delete code that frees inline_obstacks.
12941 (print_inline_obstack_statistics): Delete function.
12942 (dump_tree_statistics): Don't call it.
12943 * varasm.c (struct varasm_status): New.
12944 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12945 last_pool, pool_offset, const_double_chain): Delete global
12946 variables, replace with accessor macros.
12947 (immed_double_const): Don't walk const_double_chain outside a
12948 function, but don't treat nested functions specially anymore.
12949 (immed_real_const_1): Likewise.
12950 (clear_const_double_mem): Don't treat nested functions specially.
12951 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12952 (save_varasm_status, restore_varasm_status): Delete functions.
12953 (init_varasm_status): New function.
12954 (force_const_mem): Don't treat nested functions specially.
12955 (find_pool_constant): Accept new arg F, search for constants in
12956 that function's pool rather than the current one. All callers
12958 (get_pool_constant_for_function, get_pool_mode_for_function): New
12961 * i386.c (init_386_machine_status): New function, mostly from
12962 clear_386_stack_locals.
12963 (struct machine_functions): Rename element names to avoid name
12965 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12966 macros, replacing global variables.
12967 (clear_386_stack_locals, save_386_machine_status,
12968 restore_386_machine_status): Delete functions.
12969 (override_options): Initialize init_machine_status.
12970 * i386.h (INIT_EXPANDERS): Delete macro.
12971 (save_386_machine_status, restore_386_machine_status,
12972 clear_386_stack_locals): Delete declarations.
12974 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12976 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12977 (doloop_begin): Simplify pattern and use emit_jump_insn.
12978 (doloop_end): Simplify pattern, switch operand order,
12979 and use emit_jump_insn.
12981 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12983 * function.h (struct function): Add new element LANGUAGE.
12984 (save_lang_status): Declare new variable.
12985 (restore_lang_status): Likewise.
12986 * function.c (save_lang_status): Define.
12987 (restore_lang_status): Likewise.
12988 (push_function_context_to): Call language-specific save function.
12989 (pop_function_context_from): Call language-specific restore function.
12991 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12993 * i386.md (movsf_1): Check REG_P before use of REGNO.
12994 (movdf_1): Likewise.
12995 (movxf_1): Likewise.
12996 (extendsfdf2): Likewise.
12997 (extendsfxf2): Likewise.
12998 (extenddfxf2): Likewise.
13000 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13002 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13003 constants into memory.
13004 (c4x_shiftable_constant): New function.
13005 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13006 (c4x_shiftable_constant): Declare.
13007 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13008 ashlqi3_noclobber): Add new patterns and associated splitters.
13010 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13012 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13013 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13014 * final.c (shorten_branches): Likewise.
13015 * global.c (global_alloc): Likewise.
13016 * haifa-sched.c (build_control_flow): Likewise.
13017 * stmt.c (check_for_full_enumeration_handling): Likewise.
13018 (estimate_case_costs): Likewise.
13020 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13022 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13024 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13026 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13027 (recompute_reg_usage): Likewise.
13028 * rtlanal.c (find_regno_fusage): Likewise.
13030 * rtl.c (rtl_check_failed_code1): New function.
13031 (rtl_check_failed_code2): New.
13032 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13033 (RTL_CHECKC1, RTL_CHECKC2): New.
13034 (XC*): New accessor macros.
13035 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13036 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13037 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13038 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13039 (TRAP_*, RANGE_INFO_*): Likewise.
13041 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13043 * Makefile.in (tlink.o): Don't depend on toplev.h.
13045 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13046 output_file, nm_file_name, ldd_file_name, strip_file_name,
13047 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13048 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13049 fork_execute, maybe_unlink, add_to_list,
13050 extract_init_priority, write_list, dump_list,
13051 dump_prefix_list, write_list_with_asm, write_c_file,
13052 write_c_file_stat, write_c_file_glob, scan_prog_file,
13053 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13054 ignore_library, extract_string, notice, dump_file, target_machine,
13055 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13056 read_file, print_load_command): Constify a char*.
13057 (fdopen, error, fatal, fatal_perror): Don't prototype.
13058 (my_strerror): Remove. All callers use xstrerror instead.
13059 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13060 (main): Add prototype. Constify lots of char* ptrs. Change calls
13061 to xcalloc/strcpy/strcat/... to one call to concat.
13062 (main, scan_prog_file, scan_libraries): Use an intermediate
13063 `const char **' to build an argv array.
13064 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13066 * collect2.h (collect_execute, collect_wait, dump_file,
13067 file_exists): Constify a char*.
13068 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13069 temporary_firstobj, vflag, debug): Add extern declarations.
13070 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13072 * tlink.c: Don't include toplev.h.
13073 (vflag, debug, ldout, c_file_name, temporary_obstack,
13074 permanent_obstack, temporary_firstobj): Don't declare.
13075 (tlink_execute, frob_extension, symbol_hash_lookup,
13076 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13077 recompile_files, read_repo_files, demangle_new_symbols,
13078 scan_linker_output): Constify a char*.
13079 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13080 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13082 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13084 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13085 (relative) rather than jsr (absolute) subroutine call insns.
13086 * config/m68k/m68k-coff.h: Ditto.
13088 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13090 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13091 now rework these too.
13092 (arm_reorg): If an insn can't reach the end of the current pool,
13093 ensure that we emit that pool before the insn.
13095 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13097 * tlink.c (scan_linker_output): Skip the initial underscore in
13098 a mangled name if appropriate.
13100 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13102 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13103 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13104 error_with_ivar, gen_declarator, create_builtin_decl,
13105 my_build_string, generate_descriptor_table, generate_ivars_list,
13106 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13107 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13108 dump_base_name, lang_decode_option, build_encode_expr,
13109 start_class, finish_class, encode_pointer, really_start_method,
13110 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13112 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13113 Add static prototypes.
13114 (build_objc_string_decl, build_selector_reference_decl,
13115 encode_bitfield, build_class_reference_decl): Remove unused
13116 parameter, all callers changed.
13117 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13118 (objc_printable_name): Likewise. Change second parameter to type int.
13119 (init_objc): Use memcpy, not bcopy, to avoid casts.
13121 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13123 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13124 reg notes on a deleted insn.
13125 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13127 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13129 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13131 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13133 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13136 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13138 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13139 * tm.texi (MD_ASM_CLOBBERS): Document it.
13141 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13143 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13144 * except.c (expand_rethrow): Remove unused variable.
13145 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13146 * flow.c (replace_insns): Likewise.
13147 (create_edge_list, verify_edge_list): Likewise.
13148 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13150 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13151 is special code to run.
13152 (main): Don't define operands to emit_operand.
13153 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13155 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13157 * alpha/alpha.h (normal_memory_operand): Declare.
13158 (reg_no_subreg_operand): Declare.
13159 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13161 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13163 * c-parse.in (compstmt_primary_start): New, broken out of first
13164 part of compstmt handling in primary.
13165 (primary): Use it. Add an error clause.
13166 (compstmt_nostart): Renamed from compstmt; remove all
13167 initial invocations of compstmt_start.
13170 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13172 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13175 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13177 * combine.c (simplify_shift_const): Remove extra semicolon.
13178 * dwarf2out.c (remove_AT): Likewise.
13179 * expmed.c (expand_mult): Likewise.
13180 * gcov.c (create_program_flow_graph): Likewise.
13181 * reorg.c (mostly_true_jump): Likewise.
13183 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13185 * fold-const.c (fold_range_test): Do not try to fold the range
13186 test if the rhs or lhs has side effects.
13188 * combine.c (simplify_rtx): Recognize another case of a synthesized
13191 * varasm.c (mark_constant_pool): When marking indirect references,
13192 only look at SYMBOL_REFs.
13194 * except.c (expand_fixup_region_end): Do not peek at
13195 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13197 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13199 * flags.h: New variables align_loops, align_loops_log,
13200 align_jumps, align_jumps_log, align_labels, align_labels_log,
13201 align_functions, align_functions_log.
13202 * toplev.c: Define them.
13203 (f_options): Handle -falign-* when they have no argument.
13204 (main): Add logic to set variables for -falign-functions,
13205 -falign-jumps, -falign-labels, -falign-loops.
13206 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13207 (display_help): Change help to match options.
13208 * final.c (LABEL_ALIGN): Default to align_labels_log.
13209 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13210 (LOOP_ALIGN): Default to align_loops_log.
13211 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13212 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13213 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13214 * varasm.c (assemble_start_function): Handle align_functions.
13216 * config/sparc/sparc.h: Don't declare sparc_align_*.
13217 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13218 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13220 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13222 * config/sparc/sparc.c: Delete sparc_align_loops,
13223 sparc_align_jumps, sparc_align_funcs and the corresponding string
13225 (sparc_override_options): Default align_functions on ultrasparc.
13226 Delete -malign-* handling.
13228 * config/mips/mips.c (override_options): On 64-bit targets,
13229 try to align code to 64-bit boundaries.
13230 (print_operand): New substitution, %~,
13231 which aligns labels to align_labels_log.
13232 * config/mips/mips.md (div_trap_normal): Use %~.
13233 (div_trap_mips16): Likewise.
13235 (absdi2): Likewise.
13236 (ffssi2): Likewise.
13237 (ffsdi2): Likewise.
13238 (ashldi3_internal): Likewise.
13239 (ashrdi3_internal): Likewise.
13240 (lshrdi3_internal): Likewise.
13241 (casesi_internal): Likewise.
13243 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13245 Merge new ia32 backend from the branch!
13247 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13248 See ChangeLog.P2 on new_ia32_branch for details.
13250 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13251 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13252 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13253 * i386/gas.h (ASM_FILE_START): Define.
13254 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13255 for name change of ix86_valid_decl_attribute_p.
13256 (i386_pe_valid_type_attribute_p): Similarly.
13258 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13260 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13261 to step through CC modes.
13263 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13265 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13266 it would end up in the shadow of a live flags regsiter.
13268 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13270 * reload1.c: Fix many indentation problems.
13271 * reload.c: Likewise.
13273 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13275 * alias.c (non_local_reference_p): Constify fmt.
13277 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13279 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13281 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13283 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13284 the internal_arg_pointer.
13286 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13288 Merge peephole2 from new_ia32_branch:
13289 * Makefile.in (STAGESTUFF): Add *.peephole2.
13290 (mostlyclean): Likewise.
13291 (recog.o): Depend on resource.h.
13293 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13294 (final_scan_insn): Likewise for the invocation of peephole.
13295 * genconfig.c (main): Look for peephole and peephole2 patterns.
13296 Emit HAVE_peephole* accordingly.
13297 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13298 * flags.h (flag_peephole2): Declare.
13299 * toplev.c: New pass peephole2. New flag -fpeephole2.
13301 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13302 * gencodes.c (main): Likewise.
13303 * genextract.c (main): Likewise.
13304 * genoutput.c (main): Likewise.
13305 * genemit.c (max_operand_1): Look for the max scratch operand.
13306 (gen_rtx_scratch): New.
13307 (gen_exp): Use it, and pass on new arg subroutine_type.
13308 (gen_expand): Take max scratch into account.
13309 (gen_split): Emit peephole2 functions.
13310 (output_peephole2_scratch): New.
13311 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13312 * genrecog.c (routine_type): Add PEEPHOLE2.
13314 (make_insn_sequence): Match outer parallel for peep2. Discard
13315 top level scratches and dups.
13316 (add_to_sequence): New args insn_type and top. Update all callers.
13317 Handle toplevel peep2 matching insns.
13318 (write_subroutine): Handle peep2.
13319 (write_tree_1): Likewise.
13320 (write_tree): Likewise.
13322 (change_state): New arg afterward. Update all callers.
13323 Handle matching separate insns.
13324 * recog.c (recog_next_insn): New.
13325 (peephole2_optimize): New.
13326 * rtl.def (DEFINE_PEEPHOLE2): New.
13327 * resource.c (find_free_register): New argument last_insn. Use it
13328 to find a register available through the entire span.
13329 * resource.h (find_free_register): Update prototype.
13331 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13333 * i386.c (output_strlen_unroll): Don't write xops[7]
13334 label if it wasn't set.
13336 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13338 * cpplib.c (struct directive): Const-ify name pointer and
13339 function pointer prototype.
13340 (validate_else, do_define, do_line, do_include, do_undef,
13341 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13342 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13343 do_warning): Const-ify second arg.
13344 (directive_table): Mark const. Reorder entries by frequency
13345 of usage, record statistics.
13347 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13349 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13350 bounds- check RTL accesses if --enable-checking.
13351 (RTVEC_ELT): Bounds check if --enable-checking.
13352 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13353 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13354 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13356 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13357 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13359 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13360 (NOTE_SOURCE_FILE): Use X0STR.
13361 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13362 MEM_ALIAS_SET): Use X0INT.
13363 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13364 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13366 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13367 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13368 (rtl_check_failed_bounds, rtl_check_failed_type1,
13369 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13371 (fancy_abort): Fix comment.
13373 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13374 (cse_insn): Decrement LABEL_NUSES for jump target before
13375 deleting jump insn.
13376 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13377 * final.c (alter_subreg): Compute regno before changing x to
13378 REG; set REGNO(x) after changing it.
13379 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13380 notes containing CONST_INTs.
13381 (delete_eh_regions): Use NOTE_EH_HANDLER.
13382 * function.c (put_reg_into_stack): Make reg a MEM before
13384 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13386 (gen_mem_addressof): Make reg a MEM before initializing it.
13387 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13389 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13390 deleting an insn, not after.
13391 (block_alloc): Only look at PATTERN(insn) if we have to, and
13392 only if it's format class 'i'.
13393 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13394 CONST_INT before using its INTVAL.
13395 * print-rtl.c (print_rtx): Use X0STR.
13396 * regmove.c (fixup_match_1): Don't look at PATTERN of
13397 non-class-'i' insn chain elements.
13398 * reload.c (loc_mentioned_in_p): Take address of
13399 in->fld[1].rtx directly.
13400 * reload1.c (reload): Change reg to a MEM before initializing
13402 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13404 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13406 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13408 * config/mips/mips.c (machine_dependent_reorg): Force a
13409 barrier to output the local constant pool if a barrier hasn't
13410 been found at a natural point in the instruction stream.
13412 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13414 * c-parse.in (language_string): Constify.
13416 * dwarf2out.c (language_string): Remove declaration.
13418 * dwarfout.c (language_string): Likewise.
13420 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13422 * tree.h (language_string, init_parse, finish_parse): Declare.
13424 * i386/sun386.h (language_string): Remove declaration.
13426 * mips.h (language_string): Likewise.
13428 * nextstep.h (language_string): Likewise.
13430 * nextstep21.h (language_string): Likewise.
13432 * rs6000.c (language_string): Likewise.
13434 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13436 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13437 (getpwd.o): Remove target.
13439 * getpwd.c: Delete file. Its in libiberty now.
13441 * dbxout.c (getpwd): Don't prototype.
13442 * dwarf2out.c (getpwd): Likewise
13443 * dwarfout.c (getpwd): Likewise
13444 * final.c (getpwd): Likewise.
13445 * protoize.c (getpwd): Likewise.
13447 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13449 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13451 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13453 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13454 mark_set_resources.
13456 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13458 * fixinc/Makefile.in (subdir): New.
13459 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13462 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13464 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13465 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13468 * invoke.texi: Fix typo.
13470 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13471 changed. Handle autoincrement addressing modes.
13473 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13474 just like we would the virtual incoming args register when
13477 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13479 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13480 path, in .file directive.
13482 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13484 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13487 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13489 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13492 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13494 * tree.c (tree_code_name): Constify a char*.
13496 * tree.h (tree_code_name, decl_printable_name): Likewise.
13498 * function.h (struct function): Likewise.
13500 * toplev.c (decl_name, decl_printable_name): Likewise.
13502 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13504 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13505 (init_objc): Remove function pointer cast.
13507 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13509 * pa.md (interspace_jump): New pattern.
13510 (builtin_longjmp): New expander.
13512 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13514 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13515 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13516 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13518 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13520 * jump.c (delete_prior_computation): Also check calls
13521 to constant functions. Don't bother checking for a
13522 REG_UNUSED note before adding it.
13523 (delete_computation): Handle multi-word hard registers
13524 when synthesizing missing REG_DEAD notes for a register
13525 which is both set and used by an insn.
13527 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13529 * loop.c (this_loop_info): New variable.
13530 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13531 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13533 (prescan_loop, strength_reduce): New argument loop_info. All callers
13535 (scan_loop): New variable loop_info, initialise to address of
13537 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13538 Delete variable loop_has_multiple_exit targets and replace with
13539 field in this_loop_info.
13540 (find_and_verify_loops): Rename this_loop to this_loop_num.
13541 (strength_reduce): Delete loop_iteration_info. Replace variable
13542 loop_info with function argument of same name.
13543 (insert_bct): Rework test for loop being completely unrolled.
13545 * loop.h (struct loop_info): New fields num, loops_enclosed,
13546 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13547 has_indirect_jump, and cont. Redefine use of unroll_number.
13548 (loop_unroll_number): Delete.
13550 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13551 field of loop_info.
13552 (loop_iterations): Delete variable vtop and instead use
13553 loop_info->vtop computed in prescan_loop.
13555 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13557 * fix-header.c (main): Do not pass a null pointer to strcmp.
13559 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13561 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13563 * configure: Rebuilt.
13565 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13567 * jump.c (jump_optimize_1): Do not delete assignments to
13568 internal_arg_pointer.
13569 * cse.c (delete_trivially_dead_insns): Always consider a set of
13570 the internal_arg_pointer live.
13572 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13574 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13575 (update_life_info) [REG_WAS_0]: Search the original insns rather
13576 than the new insns for the note. Fix typos finding note_dest.
13577 If no dest found, discard the note rather than abort.
13578 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13579 (replace_insns): Remove the old insn list after update_life_info
13582 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13584 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13585 sched_analyze_insn.
13586 (sched_analyze_1): Let add_dependence care for not adding dups.
13587 (sched_analyze_2): Likewise.
13588 (add_branch_dependences): Likewise.
13590 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13592 * i386/winnt.c (export_list): New type.
13593 (exports_head): Rename to
13594 (export_head): this.
13595 (i386_pe_record_exported_symbol): Add is_data flag.
13596 (i386_pe_asm_file_end): Emit directive for exported variables.
13597 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13599 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13600 (ASM_DECLARE_OBJECT_NAME): Likewise.
13601 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13602 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13604 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13606 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13608 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13611 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13613 * config/openbsd.h: Define SET_ASM_OP.
13614 * tm.texi: cross-reference SET_ASM_OP in the index.
13616 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13618 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13619 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13620 and class_narrowest_mode at compile time. Kill init_rtl.
13621 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13622 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13623 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13625 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13627 * rtl.h: Declare rtx_length and rtx_format as const.
13628 * machmode.def: Define CC(). Use CC() to define CCmode. If
13629 EXTRA_CC_MODES is defined, expand it here.
13630 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13631 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13632 const. Kill all references to EXTRA_CC_MODES.
13634 * toplev.c: Don't prototype or call init_rtl.
13635 * optabs.c: Don't call init_mov_optab.
13636 * genemit.c: Don't generate init_mov_optab. Don't call
13638 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13640 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13641 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13642 genrecog.c: Don't call init_rtl.
13644 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13645 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13646 definition of EXTRA_CC_MODES.
13648 * md.texi: Kill ref to EXTRA_CC_NAMES.
13649 * tm.texi: Document new way to define EXTRA_CC_MODES.
13651 * genrecog.c: Do not look up the name of a define_split.
13652 (Unrelated bugfix.)
13654 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13656 * config/v850/v850.md: Fix typo introduced by previous delta.
13658 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13660 * gcc.c (fatal): Make definition static to match prototype.
13662 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13664 * combine.c (get_last_value): Don't look for earlier sets if the last
13665 known set is somewhere in between the insns being combined.
13667 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13669 * configure.in: Don't use shell ! to negate exit codes
13670 * configure: Regenerate
13672 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13674 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13675 the fact that ALIGN is measured in bits, not bytes.
13677 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13679 * errors.c: New file; defines functions error, warning, and
13680 fatal, variables have_error and progname.
13681 * errors.h: New file; prototypes and decls for stuff in errors.c.
13683 * Makefile: Add rules to build errors.o and
13684 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13685 genopinit, genrecog, genextract, genpeep, genattr, and
13686 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13687 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13688 genpeep.o, genattr.o, and genoutput.o.
13690 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13691 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13692 define or prototype fatal. Set progname at beginning of main.
13693 * genoutput.c: Likewise, and don't define or prototype error
13696 * c-typeck.c (c_expand_start_case): Return immediately if exp
13698 * fold-const.c (operand_equal_p): Return immediately if arg1
13699 or arg0 are ERROR_MARKs.
13700 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13701 fields of type ERROR_MARK when calculating if the record can
13704 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13705 with much help from Jeffrey A Law and Richard Henderson
13707 * i386.md: In the 6 insns which call output_fix_trunc,
13708 earlyclobber operands[0].
13710 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13712 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13713 creating new registers.
13715 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13717 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13718 i386_reg_alloc_order, i386_regparm_string,
13719 i386_align_loops_string, i386_align_jumps_string,
13720 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13721 and i386_branch_cost_string as type "const char *".
13722 * i386.c: Define all above strings as type "const char *".
13724 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13726 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13727 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13729 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13731 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13732 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13734 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13736 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13737 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13738 (dwarf2out_line, dwarf2out_finish): Likewise.
13739 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13741 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13743 * tree.c (lang_unsave_expr_now) : Correct return type.
13744 * tree.h (lang_unsave_expr_now) : Same.
13746 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13748 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13749 instead of duplicating code.
13751 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13753 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13755 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13757 * tree.h: fancy_abort always takes three args.
13758 * resource.c: Move include of system.h before toplev.h.
13760 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13762 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13765 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13767 * system.h: Don't redefine abort or trim_filename.
13768 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13769 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13770 whether or not __FUNCTION__ is available.
13771 * tree.h: Duplicate rtl.h's definition of abort, for files
13772 that don't include rtl.h. Delete all code to perform type
13773 checking with a compiler other than GCC.
13774 * varray.h: Delete all code to perform type checking with a
13775 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13776 its arguments exactly once, using a statement expression.
13777 Adjust the VARRAY_<type> accessor macros to match.
13778 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13779 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13780 caller's location. Define fatal_insn and fatal_insn_not_found
13781 as macros that use _fatal_insn and _fatal_insn_not_found.
13782 (fancy_abort, trim_filename): Kill prototypes.
13784 * rtl.c (trim_filename): Move here from toplev.c.
13785 (fancy_abort): New function.
13786 (DIR_SEPARATOR): Provide default definition.
13787 * tree.c (tree_check_failed, tree_class_check_failed): Go
13788 through fancy_abort.
13789 (tree_check, tree_class_check, cst_or_constructor_check,
13790 expr_check): Delete.
13791 * varray.c (varray_check_failed): New function.
13792 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13793 _fatal_insn and _fatal_insn_not_found. Go through
13795 (trim_filename, fancy_abort): Delete.
13797 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13798 * except.c (start_catch_handler): Report ICE with error/abort
13800 * final.c (output_operand_lossage): Likewise.
13801 * flow.c (verify_flow_info): Likewise.
13803 * gcc.c: Prototype fatal.
13804 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13805 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13806 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13807 Don't define fancy_abort.
13809 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13811 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13814 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13816 * m88k.h (VERSION_INFO2): Kill.
13817 (VERSION_STRING): Kill.
13819 (VERSION_INFO1): Tidy.
13820 (TARGET_VERSION): Update.
13821 * m88k/dgux.h (VERSION_INFO2): Kill.
13822 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13823 * m88k/luna.h (VERSION_INFO1): Tidy.
13824 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13825 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13826 (output_file_start): Adjust for death of VERSION_STRING.
13828 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13830 * cpplib.c (detect_if_not_defined): New function.
13831 (do_if): Use it to detect potential once-only headers.
13833 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13835 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13837 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13839 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13840 anywere in the function only if they are pseudos and set before
13841 being used (not live at the start of the function).
13842 (num_sign_bit_copies) : Same.
13843 (get_last_value_validate) : Same.
13844 (get_last_value) : Same.
13846 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13848 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13849 where N and M are constant and N is an integer multiple of M.
13851 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13853 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13854 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13855 sbitmap_union_of_preds): Add prototypes.
13856 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13857 the intersection of successors with the new flow graph structures.
13858 (sbitmap_intersection_of_preds): New function to compute the
13859 intersection of predecessors with the new flow graph structures.
13860 (sbitmap_union_of_succs): New function to compute the union of
13861 successors with the new flow graph structures.
13862 (sbitmap_union_of_preds): New function to compute the union of
13863 predecessors with the new flow graph structures.
13864 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13865 (expr_reaches_here_p): Use edge and basic_block structures instead
13866 of s_preds and s_succs.
13867 (compute_cprop_avinout): Use new sbitmap routines.
13868 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13869 of s_preds and s_succs.
13870 * flow.c (compute_flow_dominators): Compute dominators using
13871 edges and basic blocks instead of s_preds and s_succs.
13873 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13875 * lists.c (unused_insn_list, unused_expr_list): New file for
13876 maintaining various types of lists. New statics for maintaining a
13877 cache of available INSN_LIST and EXPR_LIST nodes.
13878 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13879 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13880 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13881 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13882 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13883 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13884 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13885 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13886 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13887 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13888 (remove_dependence, free_pending_lists): Use new global routines.
13889 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13890 (sched_analyze, compute_block_backward_dependences): Use new routines.
13891 (sched_analyze_1, sched_analyze_2): Use new routines.
13892 (schedule_insns): Use new global routines.
13893 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13895 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13896 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13898 * toplev.c (rest_of_compilation): Initialize node cache.
13899 * Makefile.in (OBJS): Add lists.o to list of object files.
13900 (lists.o): Add dependancies.
13902 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13904 * config/v850/v850.md: Fix compile time warning messages.
13905 * config/v850/v850.c: Fix compile time warning messages.
13906 * config/v850/v850.h: Fix compile time warning messages.
13908 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13910 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13911 Remove unused prototype for `init_lengths'.
13913 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13915 * calls.c (emit_call_1): Mark parameter `stack_size' with
13917 (expand_call): Initialize variable `insn'.
13918 (emit_library_call): Likewise for variable `high_to_save'.
13919 (emit_library_call_value): Likewise.
13920 (store_one_arg): Likewise for variables `lower_bound' and
13923 * combine.c (try_combine): Likewise for variables `i2_code_number'
13924 and `other_code_number'.
13925 (find_split_point): Likewise for variables `pos', `unsignedp' and
13927 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13928 (simplify_and_const_int): Remove unused variable `width'.
13929 (merge_outer_ops): Likewise.
13931 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13932 HOST_WIDE_INT' when comparing against one.
13933 (simplify_relational_operation): Likewise.
13934 (cse_insn): Initialize variables `src_eqv_volatile',
13935 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13937 * final.c (init_final): Constify parameter `filename'.
13938 (final_start_function): Mark parameter `optimize' with
13940 (profile_function): Likewise for parameters `first' and `optimize'.
13941 (output_source_line): Likewise for parameter `file'.
13943 * integrate.c (subst_constants): Cast a value to `size_t' when
13944 comparing against one.
13945 (mark_stores): Initialize variable `mode'. Cast a value to
13946 `size_t' when comparing against one.
13948 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13950 * loop.c (move_movables): Initialize variable `first'.
13951 (strength_reduce): Likewise for variable `increment'.
13952 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13953 value to `size_t' when comparing against one.
13954 (load_mems): Initialize variable `end_label'.
13956 * output.h (init_final): Constify parameter.
13958 * reload.c (decompose): Initialize variable `base'.
13960 * reload1.c (reload): Likewise for variable `is_scalar'.
13961 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13962 (choose_reload_regs): Initialize variable `mode'.
13963 (emit_reload_insns): Likewise for variable `store_insn'.
13964 (reload_cse_noop_set_p): Mark parameter `insn' with
13966 (reload_combine): Initialize variable `set'.
13968 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13969 (copy_loop_body): Cast a value to `size_t' when comparing against
13972 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13973 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13974 (remove_from_pending_weak_list): Mark parameter `name' with
13977 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13979 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13982 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13984 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13985 (ASM_DECLARE_FUNCTION_NAME): Define.
13986 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13987 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13988 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13989 not already defined.
13991 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13993 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13994 of n_popped when call/call_value are not defined.
13996 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13998 * tm.texi: GNU CC -> GCC conversion.
13999 (CC1_SPEC): Indicate it is used for all language front ends.
14001 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14003 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14004 NOTE_INSN_EH_REGION_END correctly.
14006 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14007 Jeff Law <law@cygnus.com>
14009 * loop.c (strength_reduce): Automatically unroll loops if the
14010 unrolled loop size is smaller than the rolled loop size.
14012 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14013 and delete comment that code should be rewritten.
14015 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14017 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14020 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14022 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14024 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14025 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14026 (LINK_SPEC): Add -u _main when building executables.
14027 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14028 (ASM_FILE_END): Use the default for ix86-pe.
14029 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14031 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14033 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14034 and ASM_CLOSE_PAREN are empty strings.
14036 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14037 Geoffrey Keating <geoffk@cygnus.com>
14039 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14040 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14041 (unprotoize.o): Ditto.
14042 (test-protoize-simple): Don't define STD_PROTO_DIR.
14043 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14044 changes to make 'test-protoize-simple' pass.
14045 (STD_PROTO_DIR): Remove define.
14046 (STANDARD_EXEC_PREFIX): Supply default define.
14047 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14048 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14049 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14050 (GET_ENV_PATH_LIST): New macro.
14051 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14052 (do_processing): Initialize default_syscalls_dir using new
14053 macros. Use it to initialize syscalls_absolute_filename.
14055 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14057 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14058 B into a register before emit_conditional_move.
14060 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14062 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14063 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14064 multiplicand out of (+ (* a b) (* c d)).
14066 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14067 Richard Henderson <rth@cygnus.com>
14069 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14070 (new_insn_dead_notes): Likewise.
14071 (update_n_sets): Likewise.
14072 (update_flow_info): Move to flow.c, renamed to update_life_info;
14073 extend to handle multiple source insns.
14074 * flow.c: Include resource.h
14075 (unlink_insn_chain): New.
14076 (split_hard_reg_notes): New.
14077 (maybe_add_dead_note): New.
14078 (maybe_add_dead_note_use): New.
14079 (find_insn_with_note): New.
14080 (new_insn_dead_notes): New.
14081 (update_n_sets): New.
14082 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14083 (maybe_remove_dead_notes): New.
14084 (update_life_info): New.
14085 (prepend_reg_notes): New.
14086 (replace_insns): New.
14087 * output.h (update_life_info): Declare.
14088 * recog.c (split_block_insns): Use update_life_info.
14089 * resource.c (find_free_register): Use reg_alloc_order, don't use
14090 fixed regs, make sure the mode is supported, don't use new regs.
14092 * rtl.h (replace_insns): Declare.
14094 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14096 * expr.c (expand_expr): Cope with COND_EXPRs with one
14097 non-returning branch.
14099 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14101 * expr.c (store_expr): Always pass down the target, even when not
14104 1999-08-24 Nick Clifton <nickc@cygnus.com>
14106 * configure.in: Define target_cpu_default for v850 targets.
14107 * configure: Regenerate
14109 * config/v850/v850.h (TARGET_CPU_generic): Define.
14110 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14111 addresses are 4 byte aligned.
14113 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14116 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14118 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14119 (main): Add prototypes.
14121 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14122 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14123 (write_attr_get): Emit prototypes along with function definition.
14124 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14125 (write_complex_function): Emit static prototype along with
14126 function definition.
14128 * genemit.c (gen_split): Emit prototypes along with function
14131 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14132 Likewise for predicates and `insn_operand_predicate'.
14133 (process_template): Emit static prototype along with function
14136 * genrecog.c (make_insn_sequence): Constify a char*. Add
14137 prototypes for get_split_*().
14138 (write_subroutine): Emit prototypes along with function
14141 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14143 * gcse.c (find_avail_set): Follow chains of register-register copies.
14144 Use oprs_not_set_p to guarantee that the returned value can be
14146 (cprop_insn): Don't verify the return value of find_avail_set with
14149 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14150 (cprop_cc0_jump): New function.
14151 (cprop_insn): Break out new function cprop_jump and use it.
14152 Also use cprop_cc0_jump for machines with CC0.
14153 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14155 * tree.h (current_function_calls_setjmp,
14156 current_function_calls_longjmp): Delete declarations.
14157 * dsp16xx.c: Include "function.h".
14158 * elxsi.c: Likewise.
14159 * gmicro.c: Likewise.
14160 * h8300.c: Likewise.
14161 * i370.c: Likewise.
14162 * m32r.c: Likewise.
14163 * mn10200.c: Likewise.
14164 * mn10300.c: Likewise.
14165 * ns32k.c: Likewise.
14166 * spur.c: Likewise.
14167 * v850.c: Likewise.
14169 * rtl.h (rtx_equal_function_value_matters): Declare.
14170 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14172 * function.c: Likewise.
14173 * emit-rtl.c: Likewise.
14175 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14177 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14180 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14182 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14185 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14187 * cpp.texi: Add a node documenting macro varargs (copied
14190 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14192 * cppspec.c: Put a null pointer at the end of the new argv.
14194 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14196 * configure.in: Remove code to select/de-select the haifa
14197 scheduler. Every scheduled port gets haifa now.
14198 * configure: Rebuilt.
14199 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14201 * Makefile.in: Corresponding changes.
14203 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14205 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14206 All callers changed.
14207 (prepare_float_lib_cmp): Likewise.
14208 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14209 * expr.h (emit_float_lib_cmp): Delete declaration.
14210 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14211 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14212 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14214 (cmptf): Now conditional on TARGET_HARD_QUAD.
14216 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14218 * resource.c (mark_target_live_regs): Use
14219 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14221 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14223 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14225 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14227 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14229 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14231 * rtl.h (rtx_format): Constify a char*.
14233 * rtl.c (rtx_format): Likewise.
14234 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14235 (init_rtl): Use accessor macro, not `rtx_format'.
14237 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14240 * caller-save.c (mark_referenced_regs): Likewise.
14242 * combine.c (subst, make_compound_operation, known_cond,
14243 gen_rtx_combine, update_table_tick, get_last_value_validate,
14244 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14246 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14247 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14248 count_reg_usage): Likewise.
14250 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14253 * final.c (leaf_renumber_regs_insn): Likewise.
14255 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14256 dump_edge_info, count_reg_references): Likewise.
14258 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14259 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14262 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14263 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14264 add_label_notes): Likewise.
14266 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14267 clear_struct_flag, count_sub_rtxs, count_alternatives,
14268 compares_alternatives_p, contained_in_p, walk_attr_value,
14269 write_expr_attr_cache): Likewise.
14271 * genconfig.c (walk_insn_part): Likewise.
14273 * genemit.c (max_operand_1, gen_exp): Likewise.
14275 * genextract.c (walk_rtx): Likewise.
14277 * genflags.c (num_operands): Likewise.
14279 * genoutput.c (scan_operands): Likewise.
14281 * genpeep.c (match_rtx): Likewise.
14283 * genrecog.c (add_to_sequence): Likewise.
14285 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14288 * integrate.c (save_constants, copy_for_inline,
14289 copy_rtx_and_substitute, subst_constants, restore_constants):
14292 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14293 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14295 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14298 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14299 add_label_notes, replace_call_address, count_nonfixed_reads,
14300 invariant_p, find_single_use_in_loop, find_mem_givs,
14301 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14304 * print-rtl.c (reg_names, print_rtx): Likewise.
14306 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14308 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14309 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14310 print_blocks): Likewise.
14312 * regclass.c (fix_register, record_address_regs,
14313 reg_scan_mark_refs): Likewise.
14315 * regmove.c (stable_but_for_p): Likewise.
14317 * reload.c (loc_mentioned_in_p, operands_match_p,
14318 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14319 copy_replacements, refers_to_regno_for_reload_p,
14320 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14321 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14324 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14325 delete_address_reloads_1, count_occurrences,
14326 reload_cse_mem_conflict_p, reload_combine_note_use,
14327 add_auto_inc_notes): Likewise.
14329 * resource.c (mark_referenced_resources, mark_set_resources):
14332 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14333 reg_mentioned_p, regs_set_between_p, modified_between_p,
14334 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14335 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14336 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14337 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14339 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14341 * stupid.c (stupid_mark_refs): Likewise.
14343 * unroll.c (remap_split_bivs): Likewise.
14345 * varasm.c (mark_constants): Likewise.
14347 * a29k/a29k.c (uses_local_reg_p): Likewise.
14349 * alpha/alpha.c (summarize_insn): Likewise.
14351 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14352 eliminate_lr2ip): Likewise.
14354 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14356 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14357 reg_mentioned_in_mem): Likewise.
14359 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14360 symbolic_reference_mentioned_p): Likewise.
14362 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14364 * sh/sh.c (regs_used, mark_use): Likewise.
14366 * vax/vax.c (vax_rtx_cost): Likewise.
14368 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14370 * machmode.h (mode_name): Constify a char*.
14372 * rtl.c (mode_name): Likewise.
14374 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14376 * optabs.c (init_libfuncs): Constify a char*.
14378 * print-tree.c (mode_name): Remove redundant declaration.
14379 (print_node): Use accessor macro, not `mode_name'.
14381 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14383 (new_spill_reg): Constify a char*.
14385 * tree.c (mode_name): Remove redundant declaration.
14387 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14389 * rtl.c (rtx_name): Constify a char*.
14391 * rtl.h (rtx_name, fix_sched_param): Likewise.
14393 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14394 (mypr): Use accessor macro, not `rtx_name'.
14396 * genemit.c (print_code): Constify a char*.
14398 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14400 * genpeep.c (print_code): Constify a char*.
14402 * genrecog.c (print_code): Likewise.
14404 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14405 end_bb): Add static prototype.
14406 (draw_edge): Constify a char*.
14407 (end_bb): Remove unused parameter.
14409 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14410 print_block_visualization): Constify a char*.
14412 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14414 * c-common.c (c_get_alias_set): Update comment.
14416 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14418 * linux.h (LIB_SPEC): Added.
14420 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14422 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14424 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14426 * tree.c (expr_check): Fix typo in last change.
14428 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14430 * rtl.def (NOTE): Change format to "iuu0n".
14431 (ADDR_DIFF_VEC): Change format to "eEee0".
14432 (ADDRESSOF): Change format to "eit".
14434 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14435 (RTVEC_ELT): Change to match.
14436 (XVECEXP): Use XVEC and RTVEC_ELT.
14437 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14438 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14439 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14440 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14441 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14442 (INTVAL): Use XWINT.
14443 (ADDRESSOF_DECL): Use XTREE.
14444 (SET_ADDRESSOF_DECL): Delete.
14445 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14446 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14447 ifdefed out since 2.6 at least.
14448 (gen_rtvec_vv): Delete prototype.
14450 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14452 (copy_most_rtx): Handle 't' format letter.
14453 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14454 (gen_rtvec_vv): Delete function. All callers changed to use
14455 gen_rtvec_v instead.
14456 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14457 the '0' format letter.
14459 * function.c (gen_mem_addressof): Don't use
14460 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14462 * integrate.c (copy_rtx_and_substitute): Likewise.
14463 Copy 't' slots with XTREE.
14464 (subst_constants): Treat 't' slots like '[swi]' slots.
14465 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14466 * jump.c (rtx_equal_for_thread_p): Likewise.
14467 * rtlanal.c (rtx_equal_p): Likewise.
14468 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14469 only four arguments.
14470 * gengenrtl.c (type_from_format): Provide correct types for
14474 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14475 If a recent gcc is in use (always in stage2 and beyond), use
14476 statement expressions, so we don't make a function call unless
14477 the check fails. Evaluate arguments exactly once.
14478 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14479 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14481 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14482 they evaluate their arguments exactly once, irrespective of
14483 the compiler in use.
14485 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14486 is used by the currently-enabled check macros. This is:
14487 (tree_check_failed, tree_class_check_failed): For gcc.
14488 (tree_check, tree_class_check, cst_or_constructor_check,
14489 expr_check): For other compilers.
14491 * gencheck.c: Do not define any *_CHECK1 macros.
14493 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14494 Mark Mitchell <mark@codesourcery.com>
14496 * c-common.c (c_get_alias_set): Fix support for poitners and
14499 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14501 * alias.c: Include tree.h.
14502 (nonlocal_reference_p, mark_constant_function): New functions.
14503 * flow.c (life_analysis): Call mark_constant_function.
14504 * rtl.h (mark_constant_function): Declare it.
14506 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14508 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14509 unrecognisable switches.
14511 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14513 * loop.c (recombine_givs): Set ix field after sorting.
14514 (recombine_givs): Remove bogus index / giv lockstep looping.
14516 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14518 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14520 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14521 (do_cmp_and_jump): Formatting fixes.
14522 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14523 do_compare_rtx_and_jump instead of compare_from_rtx.
14524 (do_compare_rtx_and_jump): New function; mostly copied from
14526 (do_jump_for_compare): Delete.
14527 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14529 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14530 of compare/do_jump_for_compare pairs.
14531 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14532 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14533 compare_from_rtx/do_jump_for_compare pairs.
14534 (do_jump_by_parts_equality): Likewise.
14535 (do_jump_by_parts_equality_rtx): Likewise.
14536 * expr.h (do_compare_rtx_and_jump): Declare.
14537 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14538 that used to be in emit_cmp_insn.
14539 (cmp_available_p): New function.
14540 (prepare_operand): New function.
14541 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14542 to be in emit_cmp_insn.
14543 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14544 parameters to be pointers; don't emit final compare but modify some of
14545 the values pointed to by the args so the caller can perform the
14546 correct comparison.
14547 (expand_binop): Call emit_store_flag_force with signed forms of
14549 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14550 emit_jump_insn pair.
14551 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14552 emit_cmp_and_jump_insn_1. Call emit_queue.
14553 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14555 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14556 jump sets cc0 before deleting it.
14557 * integrate.c (expand_inline_function): Likewise.
14558 * unroll.c (unroll_loop): Similar changes in several places.
14559 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14560 before deleting it.
14562 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14564 * Makefile.in (insn-recog.o): Update dependencies.
14565 * genrecog.c (main): Make generated file include "function.h".
14567 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14569 * cse.c (cse_insn): Call never_reached_warning when a jump is
14570 changed to be unconditional.
14571 * flags.h: Declare warn_notreached.
14572 * flow.c (delete_block): Call never_reached_warning when
14573 a block is deleted.
14574 * jump.c (delete_barrier_successors): Call never_reached_warning
14575 when we delete everything after a BARRIER.
14576 (never_reached_warning): New function.
14577 * rtl.h: Declare never_reached_warning.
14578 * toplev.c (warn_notreached): New variable.
14579 (lang_independent_options): Set warn_notreached
14580 when -Wunreachable-code.
14581 (compile_file): We need line numbers for -Wunreachable-code.
14583 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14585 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14586 * sched.c (insn_unit): Likewise.
14588 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14590 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14592 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14594 * flow.c (create_edge_list): Use xmalloc, not malloc.
14596 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14598 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14599 C-style comments. Do not lose the character before double slash.
14601 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14603 * basic-block.h (struct edge_list): Stucture to maintain a vector
14605 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14606 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14607 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14608 New function prototypes.
14609 * flow.c (create_edge_list): Function to create an edge list.
14610 (free_edge_list): Discards memory used by an edge list.
14611 (print_edge_list): Debug output showing an edge list.
14612 (verify_edge_list): Internal consistency check for an edge list.
14613 (find_edge_index): Function to find an edge index for a pred and succ.
14615 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14617 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14620 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14622 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14624 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14626 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14628 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14630 * toplev.c (rest_of_compilation): Allow machine dependent
14631 reorganisation pass to place information into the RTL dump
14632 file if it so wishes.
14634 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14636 * explow.c (hard_function_value): Use VOIDmode instead of
14638 * stmt.c (expand_return): Likewise.
14639 * stor-layout.c (get_best_mode): Likewise.
14641 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14642 emit call instead of emit_insn call.
14644 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14646 * configure.in: Handle --disable/enable-win32-registry.
14647 * install.texi: Document --disable/enable-win32-registry.
14648 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14649 (WIN32_REGISTRY_KEY): New macro.
14650 * prefix.c: Use to enable/disable win32-specific code.
14651 (lookup_key): Use versioned key.
14652 * configure: Regenerate.
14653 * config.in: Likewise.
14655 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14657 * cpplib.c (read_line_number): New fn, split out of...
14660 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14662 tree.c (lang_unsave_expr_now) : New.
14663 (unsave_expr_now): Call lang_unsave_expr_now.
14664 tree.h (lang_unsave_expr_now) : New.
14666 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14668 * toplev.c (flag_new_exceptions): On by default.
14670 1999-08-13 Michael Meissner <meissner@cygnus.com>
14672 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14674 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14676 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14677 INTEGER_TYPE with precision==1, it's __java_boolean.
14679 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14681 * global.c (prune_preferences): Move some invariants out of the
14684 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14686 * configure.in (alpha*-dec-osf*): Add osf5.
14688 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14690 * configure.in: Rework handling of ARM GNU/Linux slightly.
14691 (arm*-*-linux-gnuoldld): New target.
14692 * configure: Regenerate.
14693 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14694 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14695 * config/arm/linux-oldld.h: New file.
14696 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14697 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14699 * config/arm/linux-elf.h (ASM_SPEC): Define.
14700 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14701 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14702 for 26-bit APCS and old linker.
14703 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14705 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14706 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14707 don't define `arm' or `arm_elf'.
14708 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14709 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14711 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14713 * rtl.texi: Fix typo.
14715 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14717 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14719 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14721 * extend.texi (C++ Signatures): Remove node.
14722 * invoke.texi: Remove discussion of -fhandle-signatures,
14723 signature, sigof, __signature__, and __sigof__.
14725 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14727 * Makefile.in (JAVAGC): Removed.
14729 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14731 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14733 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14735 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14737 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14739 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14740 a register that is already known to be a pointer.
14742 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14744 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14745 * fixinc/inclhack.sh: Regenerated.
14746 * fixinc/fixincl.sh: Regenerated.
14748 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14750 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14751 Fix documentation of -ansi flag to describe its C++ behavior.
14752 Remove bogus reference to GCC 2.9.
14754 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14756 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14757 note if it is non-NULL.
14759 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14761 * except.h (eh_nesting_info): Add new structure defintion.
14762 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14763 (reachable_handlers, update_rethrow_references): Add function
14765 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14766 a rethrow symbol instead of an integer exception region number.
14767 * flow.c (Make_edges): Use new exception nesting routines to determine
14768 which handlers are reachable from a CALL or asynchronous insn.
14769 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14771 (delete_eh_regions): Update rethrow labels, and don't delete
14772 regions which are the target of a rethrow.
14773 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14774 avoid overloading the SYMBOL_REF_USED flag.
14775 (rethrow_symbol_map): Use new rethrow_ref field.
14776 (rethrow_used): Use new rethrow_ref field.
14777 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14778 of an integer. Fix formatting.
14779 (output_exception_table_entry): Use new rethrow_ref field.
14780 (can_throw): Check for EH_REGION_NOTE before deciding
14781 whether a CALL can throw or not.
14782 (scan_region): Call rethrow_used() instead of accessing data structure.
14783 (update_rethrow_references): New function to make sure only regions
14784 which are still targets of a rethrow are flagged as such.
14785 (process_nestinfo): New static function to initialize a handler
14786 list for a specific region.
14787 (init_eh_nesting_info): New function to allocate and initialize
14788 the list of all EH handlers reachable from all regions.
14789 (reachable_handlers): New function to retrieve the list of handlers
14790 reachable from a specific region and insn.
14791 (free_eh_nesting_info): New function to dispose of a list of
14792 reachable handlers.
14794 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14796 * flow.c (split_edge): Set JUMP_LABEL field.
14797 (commit_one_edge_insertion): Set head correctly for insert_before.
14798 When inserting insns, update insn block numbers if allocated.
14800 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14802 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14803 retry_incomplete_types): Add static prototype.
14804 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14805 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14806 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14807 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14808 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14811 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14812 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14814 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14816 * output.h (assemble_name): Constify a char*.
14818 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14819 assemble_variable, assemble_name): Likewise.
14821 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14823 * arm/pe.c (arm_pe_unique_section): Likewise.
14825 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14827 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14829 * i386/interix.c (i386_pe_unique_section): Likewise.
14831 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14833 * i386/winnt.c (i386_pe_unique_section): Likewise.
14835 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14837 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14839 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14841 * pa/pa.c (output_call): Likewise.
14843 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14845 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14847 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14850 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14853 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14855 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14856 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14858 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14860 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14862 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14864 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14866 * tree.h (lang_identify): Constify a char*.
14867 (print_error_function): Add extern prototype. Constify a char*.
14869 * c-lang.c (lang_identify): Constify a char*.
14871 * objc/objc-act.c (lang_identify): Constify a char*.
14873 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14875 * genpeep.c (main): Make generated file include "function.h".
14876 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14878 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14880 * Makefile.in: Update dependencies.
14881 * alias.c: Include "function.h"
14882 * c-decl.c: Likewise.
14883 * caller-save.c: Likewise.
14884 * calls.c: Likewise.
14885 * combine.c: Likewise.
14887 * explow.c: Likewise.
14888 * final.c: Likewise.
14889 * global.c: Likewise.
14890 * graph.c: Likewise.
14891 * local-alloc.c: Likewise.
14892 * loop.c: Likewise.
14893 * optabs.c: Likewise.
14894 * profile.c: Likewise.
14895 * recog.c: Likewise.
14896 * regclass.c: Likewise.
14897 * regmove.c: Likewise.
14898 * reload.c: Likewise.
14899 * reorg.c: Likewise.
14900 * resource.c: Likewise.
14901 * sched.c: Likewise.
14902 * stupid.c: Likewise.
14903 * config/1750a/1750a.c: Likewise.
14904 * config/a29k/a29k.c: Likewise.
14905 * config/arc/arc.c: Likewise.
14906 * config/arm/arm.c: Likewise.
14907 * config/arm/thumb.c: Likewise.
14908 * config/c4x/c4x.c: Likewise.
14909 * config/clipper/clipper.c: Likewise.
14910 * config/convex/convex.c: Likewise.
14911 * config/fx80/fx80.c: Likewise.
14912 * config/i860/i860.c: Likewise.
14913 * config/m68k/m68k.c: Likewise.
14914 * config/m88k/m88k.c: Likewise.
14915 * config/mips/mips.c: Likewise.
14916 * config/pdp11/pdp11.c: Likewise.
14917 * config/pyr/pyr.c: Likewise.
14918 * config/romp/romp.c: Likewise.
14919 * config/sh/sh.c: Likewise.
14920 * config/tahoe/tahoe.c: Likewise.
14921 * config/vax/vax.c: Likewise.
14922 * config/we32k/we32k.c: Likewise.
14923 * config/sparc/sparc.c: Include "function.h".
14924 (mem_min_alignment): Test current_function rather than
14925 regno_pointer_align.
14926 * config/pa/pa.c: Likewise.
14927 (compute_frame_size): Delete declaration of
14928 current_function_outgoing_args_size.
14929 * config/arc/arc.h (current_function_varargs): Delete declaration.
14930 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14932 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14934 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14935 current_function_uses_pic_offset_table.
14936 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14937 of current_function_returns_pointer.
14938 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14939 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14940 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14941 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14942 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14943 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14944 * config/m88k/m88k.c: Include "function.h"
14945 (call_used_regs, current_function_pretend_args_size,
14946 current_function_outgoing_args_size, frame_pointer_needed): Delete
14948 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14950 * config/mips/mips.h (current_function_calls_alloca): Delete
14952 * config/mn10200/mn10200.h (current_function_needs_context,
14953 rtx_equal_function_value_matters): Delete declarations.
14954 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14955 flag_pic): Delete declarations.
14956 * config/pa/pa.h (current_function_pretend_args_size,
14957 current_function_decl): Delete declarations.
14958 * config/pa/som.h (current_function_varargs): Delete declaration.
14959 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14961 * config/pyr/pyr.h (current_function_pretend_args_size,
14962 current_function_args_size, current_function_calls_alloca): Delete
14964 * config/sh/sh.h (current_function_varargs): Delete declaration.
14965 * config/sparc/sparc.h (current_function_outgoing_args_size,
14966 current_function_calls_alloca, current_function_decl): Delete
14968 * config/spur/spur.h (current_function_pretend_args_size,
14969 current_function_calls_alloca): Delete declarations.
14970 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14972 * config/vax/vms.h (current_function_name): Delete declaration.
14973 * gcse.c: Include "function.h".
14974 (current_function_name, current_function_calls_setjmp): Delete
14976 * haifa-sched.c: Include "function.h".
14977 (forced_labels): Delete declaration.
14978 * jump.c: Likewise.
14979 * reg-stack.c: Likewise.
14980 * reload1.c: Likewise.
14981 * genemit.c (main): Make generated file include function.h.
14982 * genoutput.c (output_prologue): Likewise.
14984 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14985 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14986 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14987 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14988 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14989 macros for some of them.
14990 (emit_filename, emit_lineno): Delete declarations.
14991 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14992 regno_pointer_* variables through current_function.
14993 (gen_inline_header_rtx): Delete function.
14994 (save_emit_status): Delete function.
14995 (set_new_last_label_num): New function.
14996 (clear_emit_caches): New function.
14997 (restore_emit_status): Just clear last_labelnum and call
14999 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15000 through macro seq_stack.
15001 (add_insn_after): Likewise.
15002 (add_insn_before): Likewise.
15003 (remove_insn): Likewise.
15004 (pop_topmost_sequence): Likewise.
15005 (in_sequence_p): Likewise.
15006 (start_sequence_for_rtl_expr): Likewise.
15007 (start_sequence): Likewise, and likewise for
15008 sequence_rtl_expr/seq_rtl_expr.
15009 (push_topmost_sequence): Likewise.
15010 (end_sequence): Likewise.
15011 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15012 All callers changed. Store into that pointer instead of globals.
15013 (init_emit): Allocate emit elt of current_function.
15014 Changes for sequence_rtl_expr/sequence_stack renaming.
15015 Call clear_emit_caches instead of doing it in-line.
15016 Access regno_pointer_* variables through current_function.
15017 (init_emit_once) Don't clear sequence_stack.
15019 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15021 (arg_pointer_save_area): Delete declaration.
15022 (finish_expr_for_function): Renamed from init_queue; no longer static.
15023 (init_expr): Don't call init_queue.
15024 (save_expr_status, restore_expr_status): Delete functions.
15025 (expand_expr): Changes to reflect new layout of struct function.
15026 Don't access current_function_check_memory_usage when current_function
15028 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15029 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15030 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15031 current_function_uses_const_pool, function_call_count,
15032 current_function_uses_pic_offset_table, nonlocal_labels,
15033 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15034 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15035 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15037 (finish_expr_for_function): Declare.
15038 * flags.h (current_function_has_nonlocal_label,
15039 current_function_has_nonlocal_goto, current_function_is_thunk,
15040 current_function_has_computed_jump): Delete declarations.
15041 * flow.c (forced_labels): Delete declaration.
15042 * function.c (current_function_pops_args,
15043 current_function_returns_struct, current_function_returns_pcc_struct,
15044 current_function_needs_context, current_function_calls_setjmp,
15045 current_function_calls_longjmp, current_function_has_nonlocal_label,
15046 current_function_has_nonlocal_goto, current_function_is_thunk,
15047 current_function_has_computed_jump, current_function_calls_alloca,
15048 current_function_contains_functions, current_function_returns_pointer,
15049 current_function_epilogue_delay_list, current_function_args_size,
15050 current_function_pretend_args_size, current_function_arg_offset_rtx,
15051 current_function_outgoing_args_size, current_function_varargs,
15052 current_function_stdarg, current_function_args_info, cleanup_label,
15053 current_function_name, current_function_uses_const_pool,
15054 current_function_instrument_entry_exit, current_function_return_rtx,
15055 current_function_uses_pic_offset_table, nonlocal_labels,
15056 current_function_internal_arg_pointer, current_function_cannot_inline,
15057 current_function_check_memory_usage, function_call_count,
15058 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15059 nonlocal_goto_stack_level, return_label, save_expr_regs,
15060 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15061 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15062 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15063 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15064 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15066 (push_function_context_to): Don't save them. Don't call
15067 save_storage_status, save_emit_status or save_expr_status.
15068 (pop_function_context_from): Don't restore them. Don't call
15069 restore_storage_status or restore_expr_status.
15070 (get_func_frame_size): New function.
15071 (get_frame_size): Use it.
15072 (assign_outer_stack_local): Reflect some member name changes in struct
15074 (put_reg_into_stack): Likewise.
15075 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15077 (fixup_var_refs): Likewise.
15078 (fix_lexical_addr): Likewise.
15079 (trampoline_address): Likewise.
15080 (prepare_function_start): Clear field inlinable of current_function.
15081 (init_function_for_compilation): New function.
15082 (expand_dummy_function_end): New function.
15083 (expand_function_end): Call finish_expr_for_function.
15084 * function.h (struct emit_status): New; fields moved here from struct
15085 function and from global variables. Add accessor macros for some of
15087 (struct expr_status): Likewise.
15088 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15089 (struct function): Add fields expr and emit, inlinable, inl_emit,
15090 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15091 inl_max_label_num. Add many comments.
15092 Add accessor macros for all elts of struct function that no longer
15093 have a global variable.
15094 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15095 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15096 stack_slot_list): Delete declarations.
15097 (get_func_frame_size): Declare.
15098 (save_expr_status, restore_expr_status, save_emit_status,
15099 save_storage_status, restore_storage_status): Delete declarations.
15100 (init_virtual_regs): Declare.
15101 * output.h (current_function_pops_args,
15102 current_function_returns_struct, current_function_returns_pcc_struct,
15103 current_function_needs_context, current_function_calls_setjmp,
15104 current_function_calls_longjmp, current_function_calls_alloca,
15105 current_function_has_nonlocal_label, current_function_varargs,
15106 current_function_has_computed_jump, current_function_returns_pointer,
15107 current_function_contains_functions, current_function_args_size,
15108 current_function_pretend_args_size, current_function_stdarg,
15109 current_function_outgoing_args_size, current_function_args_info,
15110 current_function_name, current_function_return_rtx,
15111 current_function_epilogue_delay_list,
15112 current_function_uses_const_pool, current_function_cannot_inline):
15113 Delete declarations.
15114 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15115 regno_reg_rtx): Delete declaration.
15116 (REGNO_POINTER_FLAG): Delete macro.
15117 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15118 function were renamed.
15119 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15121 * toplev.c: Include "function.h".
15122 (current_function_decl): Delete declaration.
15123 (compile_file): Call init_dummy_function_start and
15124 expand_dummy_function_end around some initializations that need to
15126 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15127 Call init_function_for_compilation.
15128 * unroll.c: Include "function.h"
15129 (unroll_loop): Access regno_pointer_* variables through
15132 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15133 (DECL_SAVED_INSNS): use it.
15134 (expand_dummy_function_end): Declare.
15135 (init_function_for_compilation): Declare.
15136 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15137 that it's no longer an INLINE_HEADER.
15138 (expand_call): Likewise.
15139 * integrate.c (finish_inline): Delete function.
15140 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15141 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15142 args. Don't generate an INLINE_HEADER rtx, just return the arg
15143 vector. All callers changed.
15144 (save_for_inline_copying): Create a duplicate struct emit_status to
15145 hold the emit state for compiling the current function. Use this and
15146 the other new fields in struct function that are for integration
15147 instead of an INLINE_HEADER.
15148 Use memcpy instead of bcopy.
15149 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15150 (save_for_inline_nocopy): Similar changes, except no new emit_status
15152 (expand_inline_function): Get information from function structure,
15153 not from an inline header rtx.
15154 (output_inline_function): Lose code to extract the necessary
15155 information from an inline header; simply put back the function
15156 structure into current_function. Clear its inlinable elt.
15157 * rtl.def (INLINE_HEADER): Delete.
15158 * rtl.h: Delete all accessors for an INLINE_HEADER.
15159 (gen_inline_header_rtx): Delete declaration.
15160 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15161 Delete declarations.
15162 (REGNO_POINTER_ALIGN): Delete.
15163 (clear_emit_caches): Declare.
15164 (set_new_last_label_num): Declare.
15166 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15168 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15170 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15171 * stmt.c (is_eh_region): Make sure current_function is present, too.
15173 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15175 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15176 for 64bit PA targets.
15178 * pa.h (SELECT_SECTION): Define.
15179 * som.h (SELECT_SECTION): Delete.
15181 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15183 * alias.c (init_alias_analysis): Wrap call to
15184 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15186 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15188 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15189 <sys/asm.h> contains an asm comment with an apostrophe
15190 * fixinc/inclhack.sh: regen
15191 * fixinc/fixincl.x: regen
15193 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15195 * function.c (init_function_start): Clear prologue & epilogue.
15196 (prologue_epilogue_contains): New function.
15197 * alias.c (init_alias_analysis): Use it.
15198 * rtl.h (prologue_epilogue_contains): Declare it.
15200 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15202 * jump.c (onlyjump_p): New function.
15203 * rtl.h: Declare it.
15204 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15205 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15207 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15209 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15210 to invert loops. Simplify block scanning.
15212 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15214 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15215 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15217 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15219 * config/sparc/liteelf.h: New file to support sparclite-elf target
15220 * config/sparc/t-sp86x: New file to support sparc86x targets
15221 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15222 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15223 * configure.in: Support above target triplets
15224 * configure: Regenerated
15226 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15228 * fixinc/server.c (server_setup): Do not prefix function used as
15229 parameter with `&'.
15231 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15233 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15234 Remove fp reg alternatives.
15236 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15238 * Makefile.in (TAROUTOPTS): Kill.
15239 (install-headers-tar): Use "xpf" for tar headerfile extraction
15240 * i370/x-oe (TAROUTOPTS): Delete.
15241 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15242 * m68k/x-hp320 (TAROUTOPTS): Delete.
15243 * m68k/x-hp320g (TAROUTOPTS): Delete.
15244 * gcc.texi: Update bug reporting text.
15246 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15248 * reg-stack.c (change_stack) Fixed problem with negative array index.
15250 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15252 * extend.texi, install.texi: Fix spelling mistakes.
15254 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15255 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15256 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15257 PREMADE_ATTRTAB_MD.
15258 * mips/t-ecoff: Likewise.
15259 * mips/t-elf: Likewise.
15260 * mips/t-mips: Likewise.
15261 * mips/t-osfrose: Likewise.
15262 * mips/t-r3900: Likewise.
15263 * mips/t-svr3: Likewise.
15264 * mips/t-svr4: Likewise.
15265 * mips/t-ultrix: Likewise.
15267 * gcc.texi: Document recommend means to provide software floating
15268 point libraries in libgcc.a
15270 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15272 * c-lex.c (yylex): We can have a number with no digits.
15274 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15276 * jump.c (delete_prior_computation): New function, broken
15277 out of delete_computation. Check for side effects with
15278 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15279 multi-word hard registers.
15280 (delete_computation): Use it. Check for side effects with
15281 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15282 missing REG_DEAD note for a register which is both set and
15285 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15287 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15288 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15289 (ASM_FILE_START): Import _mcount with the right type.
15290 (ASM_DECLARE_FUNCTION_NAME): Define.
15291 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15292 * pa.c (output_function_prologue): Always emit the function's label
15294 * pa.h (TEXT_SPACE_P): Define.
15295 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15296 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15297 * som.h (TEXT_SPACE_P): Delete.
15298 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15299 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15301 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15303 * expr.c (emit_group_load): Allow src to be a CONCAT.
15305 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15307 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15308 (___mulsi3): Use '!' comment character.
15310 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15312 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15314 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15316 * gcc.c: Update URLs and mail addresses.
15317 * gcc.texi: Likewise.
15319 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15321 * rs6000.c (current_file_function_operand): Return zero for
15323 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15325 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15328 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15330 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15331 allocate space in the stack frame for the PIC register.
15333 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15335 * m68k.md (xordi3, anddi3): These patterns are not available on
15338 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15340 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15341 (PUT_REAL): Likewise.
15343 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15345 * final.c (shorten_branches): Don't add an alignment for loops
15346 that have no label inside.
15348 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15350 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15351 prototypes in macro HAVE_cmpstrsi.
15353 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15355 * emit-rtl.c (operand_subword): Remove unused variable
15358 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15360 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15362 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15364 * cpphash.c (macroexpand): Delete leading whitespace when arg
15365 is concatenated before.
15366 (unsafe_chars): Correct test for whether + and - can extend a
15369 * cppinit.c (cpp_start_read): Do dependencies for
15370 -include/-imacros files also.
15372 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15373 tokenizing non-directive lines.
15374 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15375 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15378 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15380 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15382 * c-lex.c: Sync with C++ frontend.
15383 (linemode): New variable.
15384 (parse_float): imag, conversion_errno, and type are output only.
15385 (yylex): Adjust. Move initial '.' case into main switch.
15387 (handle_generic_pragma): Just deal with tokens.
15388 (readescape): Use ISXDIGIT and ISGRAPH.
15389 * c-parse.in: Add END_OF_LINE token.
15391 * c-lex.c (lang_init): Generalize.
15392 (nextchar): Remove. Replace uses with UNGETC.
15393 (skip_white_space): Handle linemode here. Optimize for cpplib.
15394 (skip_white_space_on_line): Remove.
15395 (extend_token_buffer_to): New fn.
15396 (extend_token_buffer): Use it.
15397 (read_line_number, check_newline): Just deal with tokens.
15398 (token_getch, token_put_back): New fns.
15399 (yylex): Use them. More cpplib optimizations. Simplify.
15401 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15402 Jason Merrill <jason@yorick.cygnus.com>
15404 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15405 (consume_string): Make this smart about USE_CPPLIB.
15406 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15407 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15408 Also, clean up cases where we redundantly set token_buffer[0].
15409 (read_line_number): New fn.
15410 (ignore_escape_flag): New variable.
15412 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15414 * a29k/t-a29kbare: Fix some comments.
15415 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15416 (FPBIT, DPBIT): Define.
15417 * a29k/t-vx29k: Likewise.
15418 * arc/t-arc: Likewise.
15419 * arm/t-arm-elf: Likewise.
15420 * arm/t-bare: Likewise.
15421 * arm/t-pe: Likewise.
15422 * arm/t-pe-thumb: Likewise.
15423 * arm/t-semi: Likewise.
15424 * arm/t-thumb: Likewise.
15425 * arm/t-thumb-elf: Likewise.
15426 * arm/t-thumb-linux: Likewise.
15427 * h8300/t-h8300: Likewise.
15428 * i960/t-i960: Likewise.
15429 * i960/t-vxworks960: Likewise.
15430 * m32r/t-m32r: Likewise.
15431 * mips/t-ecoff: Likewise.
15432 * mips/t-elf: Likewise.
15433 * mips/t-r3900: Likewise.
15434 * pa/t-pro: Likewise.
15435 * rs6000/t-aix43: Likewise.
15436 * rs6000/t-beos: Likewise.
15437 * rs6000/t-newas: Likewise.
15438 * rs6000/t-ppccomm: Likewise.
15439 * rs6000/t-rs6000: Likewise.
15440 * rs6000/t-winnt: Likewise.
15441 * rs6000/t-xnewas: Likewise.
15442 * rs6000/t-xrs6000: Likewise.
15443 * sh/t-sh: Likewise.
15444 * sparc/t-elf: Likewise.
15445 * sparc/t-sparcbare: Likewise.
15446 * sparc/t-sparclite: Likewise.
15447 * sparc/t-splet: Likewise.
15448 * v850/t-v850: Likewise.
15449 * mn10200/t-mn10200: Fix comments.
15450 * mn10300/t-mn10300: Likewise.
15452 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15453 dummy operand. Allocate a new pseudo for the dummy operand.
15454 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15456 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15458 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15460 * configure: Rebuilt.
15461 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15463 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15465 * recog.c (preproces_constraints): Zero recog_op_alt before
15466 processing the constraints.
15468 * arm.c (typedef minipool_node): Renamed from pool_node.
15469 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15470 (add_minipool_constant): New function.
15471 (dump_minipool): New function.
15472 (find_barrier): Remove special case for getting the insn size of
15473 an insn that references the constant pool.
15474 (minipool_fixup): New structure.
15475 (push_minipool_barrier): New function.
15476 (push_minipool_fix): New function.
15477 (note_invalid_constants): New function.
15478 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15479 (arm_reorg): Rewrite code to fix up the constant pool into a
15480 series of mini-pools embedded in the insn stream.
15481 (arm_output_epilogue): New function, made mainly from the body
15482 of output_func_epilogue.
15483 (output_func_epilogue): Move insn generation part of epilogue code
15484 to arm_output_epilogue.
15485 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15486 * arm.md (pool_range): New attribute.
15487 (zero_extendqidi2): Add attribute pool_range.
15488 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15489 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15490 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15491 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15492 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15493 (epilogue): New expand.
15494 (epilogue_insn): New insn. Call arm_output_epilogue.
15496 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15497 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15499 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15501 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15503 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15505 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15507 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15509 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15511 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15513 * global.c: Fix comment.
15515 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15517 * gcc.c (access_check): New static function.
15518 (find_a_file): Use it when searching a directory list.
15519 * collect2.c (find_a_file): Don't accept directories found when
15520 searching a directory list.
15522 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15524 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15525 function parameters with `&'.
15526 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15528 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15530 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15531 or tidy_fallthru_edge if the last insn in the block is not
15532 an unconditional jump or a simple conditional jump.
15534 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15536 * Makefile.in (c-decl.o): Depends on defaults.h.
15538 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15540 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15542 (CLASS_MAX_NREGS): Likewise.
15544 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15546 * cse.c (cse_insn): Fix dumb thinko in last change.
15548 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15550 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15553 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15555 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15556 test for sizes of passed and declared parameter types.
15558 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15560 * fixincludes: Fix the return type of bsearch, char* -> void*.
15562 * fixinc/inclhack.def: Likewise.
15564 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15566 * invoke.texi (-fdump-translation-unit): New option.
15568 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15570 * expr.h (PROMOTE_PROTOTYPES): Move ...
15571 * defaults.h: ... to here.
15572 * c-decl.c: Include defaults.h instead of expr.h.
15573 * c-typeck.c: Include defaults.h.
15575 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15577 * toplev.h (errorcount): Declare.
15578 (warningcount): Likewise.
15579 (sorrycount): Likewise.
15580 * c-lex.c (errorcount): Don't declare.
15581 * dwarf2out.c (errorcount): Don't declare.
15583 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15585 * config/libgloss.h: Add a note discouraging use with ELF.
15586 * configure.in: Don't use libgloss.h for ELF targets.
15587 Always use_collect2 on a.out targets.
15589 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15591 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15592 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15594 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15596 * loop.c (strength_reduce): When doing biv->giv conversion, update
15597 reg note of NEXT->insn.
15599 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15601 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15603 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15605 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15606 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15607 Ensure expr.h is included.
15608 * c-typecheck.c (convert_arguments): Ditto.
15610 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15612 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15613 * config/convex/convex.h: Ditto.
15614 * config/dsp16xx/dsp16xx.h: Ditto.
15615 * config/fx80/fx80.h: Ditto.
15616 * config/gmicro/gmicro.h: Ditto.
15617 * config/i370/i370.h: Ditto.
15618 * config/i386/i386.h: Ditto.
15619 * config/m32r/m32r.h: Ditto.
15620 * config/m68k/m68k.h: Ditto.
15621 * config/m88k/m88k.h: Ditto.
15622 * config/mips/mips.h: Ditto.
15623 * config/pa/pa.h: Ditto.
15624 * config/pyr/pyr.h: Ditto.
15625 * config/tahoe/tahoe.h: Ditto.
15626 * config/we32k/we32k.h: Ditto.
15628 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15629 based on arch size.
15631 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15633 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15636 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15638 1999-08-02 Richard Henderson <rth@cygnus.com>
15640 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15641 for the register spill block.
15642 (m32r_va_arg): New.
15643 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15644 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15646 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15647 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15648 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15650 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15652 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15653 MAX_WCHAR_TYPE defined in sparc.h.
15654 * config/sparc/linuxaout.h: Likewise.
15655 * config/sparc/linux64.h: Likewise.
15656 Also default to -mvis if CPU is UltraSPARC.
15658 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15660 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15661 (RTX_OK_FOR_OLO10): Likewise.
15662 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15663 %lo(), allow it in addresses...
15664 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15665 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15666 does not make sense.
15667 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15668 (sparc_output_scratch_registers): New function.
15669 (output_function_prologue, sparc_flat_output_function_prologue): Use
15671 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15673 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15674 * configure.in: Add check for .register pseudo-op support in as and
15675 check for offsetable %lo().
15676 * acconfig.h: Add templates for the above checks.
15677 * configure: Regenerate.
15679 1999-08-02 Richard Henderson <rth@cygnus.com>
15681 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15682 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15683 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15685 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15687 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15690 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15692 * config/float-sparc.h: New file.
15693 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15694 sparc-*-linux-gnu and sparc64-*-linux*.
15696 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15698 * rs6000.c (rs6000_va_list): Type is an array.
15699 (rs6000_va_start): Don't doubly adjust for varargs.
15700 (rs6000_va_arg): Evaluate long long GPR adjustment.
15702 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15704 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15705 -maix64 and -maix32.
15706 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15707 LINK_SPEC): Change appropriately.
15708 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15709 (u_short_cint_operand): Likewise.
15710 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15712 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15714 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15716 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15718 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15719 for type promotion.
15720 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15721 (non_add_cint_operand): Likewise.
15722 (logical_operand): Likewise.
15723 (non_logical_cint_operand): Likewise.
15724 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15725 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15726 (rs6000_select_rtx_section): Suppress warning.
15727 (small_data_operand): Suppress warning.
15728 (rs6000_got_register): Suppress warning.
15729 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15730 type, so `J' is generally the wrong constraint for a SImode value;
15732 (andsi3_internal2): Likewise.
15733 (andsi3_internal3): Likewise.
15734 (iorsi3_internal1): Likewise.
15735 (xorsi3_internal1): Likewise.
15737 (movsf_softfloat): Likewise.
15738 (scc insns): Likewise.
15739 (movsi+2): Preserve sign bits of SImode constant.
15740 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15741 (movdf+1): Sign-extend properly.
15742 (movdi_32+1): Sign-extend properly.
15743 (scc insns): Sign-extend properly.
15745 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15748 1999-08-02 Richard Henderson <rth@cygnus.com>
15750 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15751 -mcpu parsing code.
15752 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15753 * alpha.md (all fp insns): Likewise.
15755 1999-08-02 Nick Clifton <nickc@cygnus.com>
15757 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15760 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15762 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15763 pic_load_label generator directly.
15764 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15765 No longer a named pattern.
15767 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15769 * explow.c (force_reg): Call force_operand if X does not
15770 satisfy general_operand.
15772 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15774 * fix-header.c (main): When testing for CONTINUED, use string
15775 equality, not pointer equality.
15777 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15779 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15781 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15783 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15784 that has become an unconditional jump.
15786 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15787 (output_function_epilogue): Similarly.
15789 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15791 * tree.h (init_dummy_function_start): Declare.
15793 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15795 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15796 last_expr_type, last_expr_value, block_start_count, block_stack,
15797 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15798 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15799 dynamically in stmt elt of struct function for each function.
15800 (struct nesting): Rename function_call_count elt to n_function_calls,
15801 target_temp_slot_level to block_target_temp_slot_level. All users
15803 (struct stmt_status): New structure definition.
15804 Add many accessor macros for stmt_status elements which previously
15805 were global variables.
15806 (init_stmt_for_function): Allocate stmt elt for current_function.
15807 Reflect that block_start_count was renamed to
15808 current_block_start_count.
15809 (save_stmt_status, restore_stmt_status): Delete functions.
15810 (preserve_subexpressions_p): Don't access loop_stack when outside
15812 (expand_start_bindings): Reflect that block_start_count was renamed to
15813 current_block_start_count.
15814 (expand_fixup): Likewise.
15815 (expand_decl): Don't access block_stack when outside a function.
15816 (expand_decl_cleanup): Likewise.
15817 (expand_dcc_cleanup): Likewise.
15818 (expand_dhc_cleanup): Likewise.
15819 (expand_anon_union_decl): Likewise.
15820 (set_file_and_line_for_stmt): New function.
15821 (in_control_zone_p): New function.
15823 * function.h (struct function): Add new elt stmt.
15824 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15825 case_stack, nesting_stack, nesting_depth, block_start_count,
15826 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15827 emit_lineno, goto_fixup_chain.
15828 (save_eh_status, restore_eh_status, save_stmt_status,
15829 restore_stmt_status): Delete declarations.
15830 * function.c (push_function_context_to): Don't call save_stmt_status.
15831 (pop_function_context_to): Don't call restore_stmt_status.
15832 * tree.h (in_control_zone_p): Declare.
15833 * rtl.h (set_file_and_line_for_stmt): Declare.
15835 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15836 call set_file_and_line_for_stmt.
15838 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15840 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15841 Also update copyright.
15843 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15845 * c-pragma.c: Don't include "except.h".
15846 * emit-rtl.c: Likewise.
15847 * stor-layout.c: Likewise.
15848 * tree.c: Likewise.
15849 * varasm.c: Likewise.
15851 * flow.c: Include "function.h".
15852 * tree.h (init_dummy_function_start): Declare new function.
15854 * except.h (struct eh_status): New structure.
15855 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15857 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15858 catch_clauses, false_label_stack, caught_return_label_stack,
15859 protect_list, current_function_ehc): Add accessor macros for the
15860 corresponding fields in current_function->eh; delete declarations
15861 for all items that used to be declared here.
15862 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15863 catch_clauses, false_label_stack, caught_return_label_stack,
15864 protect_list, current_function_ehc): Delete variables.
15865 (init_eh_for_function): Allocate current_function->eh.
15866 (save_eh_status, restore_eh_status): Delete functions.
15868 * function.h (struct function): Add fields next_global and eh.
15869 Delete all exception handling related fields.
15870 * function.c (current_function): New variable.
15871 (all_functions): New variable.
15872 (push_function_context_to): Don't allocate a struct function,
15873 use current_function instead. Call init_dummy_function_start when
15874 outside a function. Clear current_function before returning.
15875 (pop_function_context_from): Restore current_function.
15876 Don't free the restored struct function.
15877 (prepare_function_start): New function.
15878 (init_dummy_function_start): New function.
15879 (init_function_start): Break out some code into prepare_function_start
15882 * stmt.c (save_stmt_status): Don't call save_eh_status.
15883 (restore_stmt_status): Don't call restore_eh_status.
15885 * Makefile.in: Update dependencies.
15887 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15889 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15890 of depending on a magic constant value. Update comments.
15891 (hppa_expand_prologue): Similarly.
15893 * pa.md (reload_indi, reload_outdi): Allow any register for the
15894 original reload register.
15896 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15898 * cccp.c (print_help): Change marcos to macros.
15900 1999-07-30 Richard Henderson <rth@cygnus.com>
15902 * c-typeck.c (initializer_constant_valid_p): Move ...
15903 * c-common.c (initializer_constant_valid_p): ... here. Use
15904 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15905 of label addresses.
15906 * c-common.h (initializer_constant_valid_p): Declare.
15907 * c-tree.h (initializer_constant_valid_p): Remove.
15909 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15911 * config/i386/sol2-c1.asm: Align the stack.
15912 * config/i386/sol2-gc1.asm: Likewise.
15914 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15916 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15917 -Asparclite for sparc86x.
15918 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15920 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15922 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15924 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15925 the user if using the non-default arch size in BI_ARCH configuration.
15926 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15928 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15929 Fix patterns so that they actually match.
15930 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15931 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15932 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15934 (mulsidi3): Reflect this in the expand.
15935 (smulsi3_highpart): Only on TARGET_ARCH32.
15936 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15937 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15938 (umulsidi3): Reflect this in the expand.
15939 (umulsi3_highpart): Only on TARGET_ARCH32.
15940 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15941 don't require g0 to be zero.
15942 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15943 ({,u}divsi3): New expands.
15944 ({,u}divsi3_sp64): New patterns.
15945 (after lshrdi3_v8plus): Four new patterns to help combiner
15946 optimizing nested mixed mode shifts.
15948 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15949 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15950 speed things up. Don't use them by default on plain v9 in 64bit
15951 mode, according to what SPAMv9 sais.
15953 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15954 top 32 bits of %[og][0-7] in signal handlers.
15955 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15957 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15959 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15960 (ashlsi3): Corresponding changes.
15962 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15964 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15966 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15968 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15970 * arm.h (Hint): Delete macro.
15971 Substitute HOST_WIDE_INT for Hint in some prototypes.
15972 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15974 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15976 * builtins.c (expand_builtin_setjmp): Use force_operand to
15977 make sure that the buffer address is in a suitable form to be
15978 passed to force_reg.
15980 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15982 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15985 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15987 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15988 proper mode in the condition string.
15989 (icacheflush, dcacheflush): Remove modes from match_operands.
15991 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15992 proper mode before using it.
15994 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15997 * pa.c (store_reg): Do not call add_high_const generator directly.
15998 (load_reg, set_reg_plus_d): Likewise.
15999 * pa.md (add_high_const): No longer a named pattern.
16001 * pa.c (legitimize_address): Consistently use Pmode rather than
16002 SImode. Do not call gen_pic2_highpart directly anymore.
16003 * pa.md (pic2_highpart): No longer a named pattern.
16004 (pic2_lo_sum): Similarly. Reformat to make more readable.
16006 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16011 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16013 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16015 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16017 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16018 and tag the spill mems.
16019 (hppa_va_start): New.
16020 (hppa_va_arg): New.
16021 * pa.h (EXPAND_BUILTIN_VA_START): New.
16022 (EXPAND_BUILTIN_VA_ARG): New.
16024 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16026 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16027 and tag the spill mems.
16028 (mn10300_va_start): New.
16029 (mn10300_va_arg): New.
16030 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16031 (EXPAND_BUILTIN_VA_ARG): New.
16033 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16035 * mn10200.c (mn10200_va_arg): New.
16036 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16038 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16040 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16041 rather than play with TREE_INT_CST_LOW.
16043 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16045 * config/arm/telf.h: Include dbxelf.h.
16046 (CPP_PREDEFINES): Only define if not already defined.
16047 (ASM_IDENTIFY_GCC): Likewise.
16048 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16049 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16050 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16052 (DBX_DEBUGGING_INFO): Don't define.
16053 * config/arm/linux-telf.h: New file.
16054 * config/arm/linux-tgas.h: New file.
16055 * config/arm/t-thumb-linux: New file.
16056 * config/arm/uclinux-elf.h: New file.
16057 * config/arm/uclinux-telf.h: New file.
16058 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16059 thumb-*-uclinux): New targets.
16060 * configure: Regenerate.
16062 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16064 * pa.md (post_store, pre_load): New expanders.
16065 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16066 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16067 need to directly generate RTL for them.
16068 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16071 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16073 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16074 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16075 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16076 (secndary_reload_class): Make TARGET_ELF conditional compile.
16077 (print_operand_address): Similar.
16078 (output_toc): Print all values as hex.
16079 (get_issue_rate): Rearrange and add RS64A and PPC630.
16080 * rs6000.h (processor_type): Add RS64A and PPC630.
16081 (PROCESSOR_POWERPC64): New.
16082 (PROMOTE_MODE): Use word_mode.
16083 (RTX_COSTS): Add RS64A and PPC630.
16084 * rs6000.md (scheduling information): Add lmul and ldiv
16085 representing 64-bit integer multiply and divide. Add rs64a and
16086 PPC630 information.
16087 (ashldi3): Add support for "rldic" instruction.
16088 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16090 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16092 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16093 instead of V8 for sparclite86x in cpu_table.
16095 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16097 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16098 output_file_directive.
16100 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16102 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16103 tree for op1, not the rtl.
16105 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16107 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16108 to m88k_va_start, leaving only the register spill.
16109 (m88k_build_va_list): New.
16110 (m88k_va_start): New.
16111 (m88k_va_arg): New.
16112 * m88k.h (BUILD_VA_LIST_TYPE): New.
16113 (EXPAND_BUILTIN_VA_START): New.
16114 (EXPAND_BUILTIN_VA_ARG): New.
16116 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16118 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16119 Rename from expand_builtin_saveregs.
16120 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16122 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16124 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16125 for the register spill block.
16126 (i960_build_va_list): New.
16127 (i960_va_start): New.
16128 (i960_va_arg): New.
16129 * i960.h (BUILD_VA_LIST_TYPE): New.
16130 (EXPAND_BUILTIN_VA_START): New.
16131 (EXPAND_BUILTIN_VA_ARG): New.
16132 * i960.md (store_multiple): Use change_address on individul mems.
16134 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16136 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16138 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16139 (expand_builtin_va_end): Evaluate arg for side effects.
16140 * c-common.c (c_common_nodes_and_builtins): Construct a
16141 va_list_arg_type_node to handle array decomposition to pointer.
16143 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16145 * except.c (start_dynamic_cleanup): Use force_operand on the
16148 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16150 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16151 * c4x.c (c4x_va_arg): New.
16153 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16155 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16156 has manual_pop set.
16158 1999-07-26 Nathan Sidwell <nathan@acm.org>
16160 * eh-common.h (__eh_matcher): Prototype correctly.
16162 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16164 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16165 (TARGET_SINGLE_PIC_BASE): Likewise.
16166 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16168 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16169 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16170 (TARGET_OPTIONS): Add -mpic-register=N.
16171 (OUTPUT_INT_ADDR_CONST): New macro.
16172 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16173 LEGITIMATE_PIC_OPERAND_P): Likewise.
16174 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16175 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16176 output_addr_const directly.
16177 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16179 (thumb_pic_register, thumb_pic_register_string): Declare.
16181 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16183 (label_mentioned_p): New function: Imported from arm.c.
16184 (legitimize_pic_address): New function: Imported from arm.c.
16185 (is_pic):New function: Imported from arm.c.
16186 (thumb_finalize_pic):New function: Imported from arm.c.
16187 (add_constant): Cope with PIC constants.
16188 (fixit): Cope with PIC constants.
16189 (output_return): Do not treat the PIC register as live if
16190 TARGET_SINGLE_PIC_BASE is true.
16191 (thumb_function_prologue): Do not treat the PIC register as live if
16192 TARGET_SINGLE_PIC_BASE is true.
16193 (thumb_expand_prologue): Do not treat the PIC register as live if
16194 TARGET_SINGLE_PIC_BASE is true.
16195 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16196 TARGET_SINGLE_PIC_BASE is true.
16197 (thumb_print_operand): Accept '|'.
16198 (thumb_override_options): Process PIC options.
16200 * config/arm/thumb.md (movsi): Support PIC.
16201 (call_insn): Change "i" constraint to "X".
16202 (call_value_insn): Likewise.
16203 (consttable_4, consttable_8, consttable_end): Set and clear
16204 "making_const_table" as appropriate.
16205 (pic_load_addr, pic_add_dot_plus_four): New insns.
16207 * invoke.texi (Thumb Options): Fix spelling. Document new
16208 options -msingle-pic-base and -mpic-register=.
16210 1999-07-26 Andrew Haley <aph@cygnus.com>
16212 * config/m32r/initfini.c (__init): Use a full word immediate for
16213 __fini: this allows it to be placed in any memory region.
16215 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16216 -mmodel=medium. This is OK for all memory models.
16218 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16220 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16221 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16223 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16225 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16228 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16230 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16232 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16233 (BUILD_VA_LIST_TYPE): New.
16234 (EXPAND_BUILTIN_VA_START): New.
16235 (EXPAND_BUILTIN_VA_ARG): New.
16236 * i860.c (output_delayed_branch): Disable.
16237 (output_delay_insn): Likewise.
16238 (i860_saveregs): New.
16239 (i860_build_va_list): New.
16240 (i860_va_start): New.
16241 (i860_va_arg): New.
16242 * i860.md: Disable all peepholes using output_delayed_branch.
16243 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16245 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16247 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16248 (BUILD_VA_LIST_TYPE): New.
16249 (EXPAND_BUILTIN_VA_START): New.
16250 (EXPAND_BUILTIN_VA_ARG): New.
16251 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16252 Return the address of the save area.
16253 (clipper_build_va_list): New.
16254 (clipper_va_start): New.
16255 (clipper_va_arg): New.
16257 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16259 * arc.h (EXPAND_BUILTIN_VA_START): New.
16260 (EXPAND_BUILTIN_VA_ARG): New.
16261 * arc.c (arc_setup_incoming_varargs): Set alias set of
16263 (arc_va_start): New.
16266 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16268 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16269 (BUILD_VA_LIST_TYPE): New.
16270 (EXPAND_BUILTIN_VA_START): New.
16271 (EXPAND_BUILTIN_VA_ARG): New.
16272 * alpha.c (alpha_builtin_saveregs): Delete.
16273 (alpha_build_va_list): New.
16274 (alpha_va_start): New.
16275 (alpha_va_arg): New.
16277 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16279 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16281 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16282 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16284 * gcc.texi: More changes related to list conversion.
16285 * invoke.texi: Likewise.
16287 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16289 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16290 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16291 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16292 (stabilize_va_list): New function.
16293 (std_expand_builtin_va_start): New function.
16294 (expand_builtin_va_start): New function.
16295 (get_varargs_alias_set): New function.
16296 (std_expand_builtin_va_arg): New function.
16297 (expand_builtin_va_arg): New function.
16298 (expand_builtin_va_end): New function.
16299 (expand_builtin_va_copy): New function.
16300 (expand_builtin): Call them.
16301 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16302 __builtin_{varargs_start,stdarg_start,end,copy}.
16303 (build_va_arg): New function.
16304 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16305 (build_va_arg): Declare.
16306 * c-decl.c (ptr_type_node, va_list_type_node): New.
16307 * c-parse.gperf (__builtin_va_arg): New.
16308 * c-parse.in (VA_ARG): New token.
16309 (unary_expr): Recognize it.
16310 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16311 * expr.h (std_expand_builtin_va_start): Declare.
16312 (std_expand_builtin_va_arg): Declare.
16313 (expand_builtin_va_arg): Declare.
16314 (get_varargs_alias_set): Declare.
16315 * tree.def (VA_ARG_EXPR): New.
16316 * tree.h (BUILT_IN_VARARGS_START): New.
16317 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16318 (ptr_type_node, va_list_type_node): Declare.
16319 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16320 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16321 * m88k.h, m88k.c: Likewise.
16322 * mn10300.h, mn10300.c: Likewise.
16323 * pa.h, pa.c: Likewise.
16324 * rs6000.h, rs6000.c: Likewise.
16325 * sh.h, sh.c: Likewise.
16326 * sparc.h, sparc.c: Likewise.
16328 * emit-rtl.c (operand_subword): Copy alias set.
16329 (change_address): Likewise.
16331 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16333 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16334 not just the first one.
16336 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16338 * config/arm/arm.h (TARGET_SWITCHES): Add
16339 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16340 (TARGET_OPTIONS): Add -mpic-register=.
16341 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16342 (arm_pic_register_string): Declare.
16343 (NEED_PLT_GOT): Delete, replace with ...
16344 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16345 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16346 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16347 * config/arm/arm.c (arm_override_options): Add new option
16349 (arm_pic_register_string): New variable.
16350 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16351 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16352 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16353 (output_return_instruction): Likewise.
16354 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16355 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16356 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16358 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16359 mention of -msched-prolog. Document new options -msingle-pic-base
16360 and -mpic-register=.
16362 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16364 * haifa-sched.c (reemit_notes): Tidy.
16365 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16368 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16370 * explow.c (trunc_int_for_mode): New function.
16371 (plus_constant_wide): Use it.
16372 * combine.c (simplify_and_const_int): Likewise.
16373 (merge_outer_ops): Likewise.
16374 (simplify_shift_const): Likewise.
16375 * cse.c (simplify_unary_operation): Likewise.
16376 (simplify_binary_operation): Likewise.
16377 * emit-rtl.c (operand_subword): Likewise.
16378 * rtl.h: Declare it.
16380 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16382 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16383 (use NUM_REGS instead of NUM_INTS).
16385 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16387 * builtins.c: New file.
16388 * expr.c (saveregs_value, apply_args_value): Delete definition,
16389 moved into builtins.c.
16390 (string_constant): No longer static.
16391 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16392 apply_args_size, apply_result_size, result_vector,
16393 expand_builtin_apply_args, expand_builtin_apply,
16394 expand_builtin_return): Delete functions, moved into builtins.c.
16395 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16396 * expr.h (saveregs_value, apply_args_value): Declare variables.
16397 (expand_builtin, string_constant): Declare functions.
16398 * Makefile.in: Update to build builtin.o.
16400 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16402 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16403 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16404 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16405 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16407 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16410 1999-07-21 Michael Meissner <meissner@cygnus.com>
16412 * print-rtl.c (print_rtx): Print the names of the virtual
16415 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16417 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16418 introduced in previous delta.
16420 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16422 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16423 to avoid name clash.
16425 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16427 * c-lex.c (yylex) : Correct the test for overflow when lexing
16430 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16432 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16433 (adjust_priority): Always call ADJUST_PRIORITY.
16434 (schedule_insn): Only put insns into the ready at cost 0.
16435 (schedule_block): Remove redundant initial sort. Give clock_var
16436 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16438 * tm.texi (MD_SCHED_REORDER): Update docs.
16440 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16441 * sparc.c (ultra_reorder_called_this_block): Delete.
16442 (ultrasparc_sched_init): Don't set it.
16443 (ultrasparc_sched_reorder): Don't check it.
16445 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16447 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16448 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16449 (function_arg_boundary): Align DFmode.
16450 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16451 to get fp reg and stack overflow correct.
16452 (function_arg): Likewise.
16453 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16454 (setup_incoming_varargs): Restructure for ABI_V4; use
16455 function_arg_advance to skip final named argument.
16456 (expand_builtin_saveregs): Properly unskip the last integer arg
16457 when doing varargs. Adjust overflow location calculation.
16459 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16460 explicitly unsigned.
16461 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16462 (__VA_GP_REGSAVE): Similarly.
16463 (__va_longlong_p): Delete.
16464 (__va_arg_type_violation): New declaration.
16465 (va_arg): Restructure. Flag promotion errors. Align double.
16466 TFmode passed by reference.
16468 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16469 in the HOST_BITS_PER_WIDE_INT > 32 case.
16471 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16473 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16475 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16477 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16478 * toplev.c (documented_lang_options): Add -fpreprocessed.
16479 * cpplib.h (struct cpp_buffer): Add preprocessed.
16480 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16481 (cpp_start_read): Don't expand macros or emit an initial #line
16482 directive if -fpreprocessed.
16484 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16486 * cpplib.h (struct cpp_buffer): Added manual_pop for
16487 better C++ tokenization.
16488 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16489 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16490 * c-common.c (cpp_token): Make non-static.
16492 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16494 * c-common.h: New file.
16495 * c-common.c (permanent_obstack): Delete unused declaration.
16496 (c_global_trees): New array.
16497 (c_common_nodes_and_builtins): New function; split off common code
16498 from init_decl_processing in both c-decl.c and cp/decl.c.
16499 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16500 c_global_trees and accessor macros defined in c-common.h.
16501 Include c-common.h.
16502 * c-decl.c: Delete definitions for tree nodes that were replaced by
16504 (init_decl_processing): Build void_list_node.
16505 Call c_common_nodes_and_builtins; delete code to generate the common
16507 * objc/objc-act.c (build_module_descriptor): Rename variable
16508 void_list_node to avoid clash with c-common.h.
16510 * Makefile.in: Update dependencies.
16511 * objc/Make-lang.in: Likewise.
16513 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16515 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16516 (UNIQUE_SECTION_P): Likewise.
16517 (UNIQUE_SECTION): Likewise.
16519 1999-07-19 Linas Vepstas <linas@linas.org>
16521 * config/i370/README: New file.
16522 * config/i370/linux.h: New file.
16523 * config/i370/mvs.h: New file.
16524 * config/i370/oe.h: New file.
16525 * config/i370/t-linux: New file.
16526 * config/i370/t-mvs: New file.
16527 * config/i370/t-oe: New file.
16528 * config/i370/x-oe: New file.
16529 * config/i370/xm-linux.h: New file.
16530 * config/i370/xm-mvs.h: New file.
16531 * config/i370/xm-oe.h: New file.
16533 * i370.c (label_node_t): Add first_ref_page, label_addr,
16534 label_first_ref, label_last_ref members.
16535 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16536 (MAX_MVS_LABEL_SIZE): Define.
16537 (MAX_LONG_LABEL_SIZE): Define.
16538 (alias_node_t, alias_anchor, alias_number): New.
16539 (mvs_function_table): Reorder for EBCDIC.
16540 (ascebc, ebcasc): Unconditionally define.
16541 (i370_branch_dest, i370_branch_length): New functions.
16542 (i370_short_branch, i370_label_scan): New functions.
16543 (mvs_get_label): Renamed from mvs_add_label. Search for
16544 an existing label before creating a new one.
16545 (mvs_add_label): New function.
16546 (mvs_get_label_page): New function.
16547 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16548 over the entire list.
16549 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16550 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16551 (mvs_add_alias, mvs_need_alias): New functions.
16552 (mvs_get_alias, mvs_check_alias): New functions.
16553 (handle_pragma): New function.
16554 (mvs_function_check): New function.
16555 (unsigned_jump_follows_p): Search harder.
16556 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16557 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16558 * i370.h (TARGET_VERSION): Delete.
16559 (CPP_SPEC, CPP_PREDEFINES): Delete.
16560 (mvs_label_emitted): Delete.
16561 (TARGET_EBCDIC): Delete.
16562 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16563 (HANDLE_PRAGMA): Define.
16564 (HARD_REGNO_NREGS): Handle complex modes.
16565 (HARD_REGNO_MODE_OK): Likewise.
16566 (CLASS_MAX_NREGS): Likewise.
16567 (RET_REG): Likewise.
16568 (EXTRA_CONSTRAINT): Define.
16569 (RETURN_IN_MEMORY): True for DImode.
16570 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16571 (FUNCTION_PROFILER): Delete.
16572 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16573 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16574 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16575 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16576 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16577 (ASM_FILE_START): Add "RMODE ANY".
16578 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16579 (ASM_GLOBALIZE_LABEL): Likewise.
16580 (ASM_OUTPUT_LABELREF): Likewise.
16581 (ASM_OUTPUT_COMMON): Likewise.
16582 (PRINT_OPERAND): Handle 'K', 'W', default.
16583 (PRINT_OPERAND_ADDRESS): New.
16584 (Lots of defines): Add support for TARGET_ELF_ABI.
16585 * i370.md (attr length): New. Define for all patterns.
16586 (*): Lots of tweeks to assembly output and constraints.
16588 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16590 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16591 Disable patterns performing SImode comparisons with SImode values
16592 if TARGET_POWERPC64 and instruction does not sign-extend or does
16593 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16594 differ for signed quantities.
16595 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16596 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16597 (decrement_and_branch_on_count): Add 64-bit variant.
16599 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16601 * final.c (output_asm_insn): When searching for the matching string
16602 for a given dialect, don't run past the end of the list of
16603 alternatives if there are fewer alternatives in the template than
16606 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16608 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16609 Removed paragraph about compression of files and size limitation,
16610 duplicated in the FAQ. Use gcc-patches for posting patches.
16611 * gcc.c (main): Updated URL with bug reporting instructions to
16612 gcc.gnu.org. Removed e-mail address.
16613 * system.h (abort): Likewise.
16615 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16617 * Makefile.in (stmp-multilib-sub): Make the files extracted
16618 from $(LIBGCC1) writable.
16620 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16622 * config/arm/aout.h: Reformat for improved readability.
16624 * config/arm/arm.h: Reformat for improved readability.
16625 Replace uses of fprintf with asm_fprintf where appropriate.
16626 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16627 function declaration assembler actions.
16628 (NUM_INTS): New macro: Convert from bytes to words.
16629 (NUM_REGS): New macro: Compute number of registers required to
16630 hold a quanitity of tyep MODE.
16631 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16633 (NUM_ARG_REGS): New macro: The number of argument registers
16635 (ARG_REGISTER): New macro: Compute the register number of the Nth
16637 (LAST_ARG_REGNUM): New macro: The number of the last argument
16639 (SP_REGNUM): New macro: Register number of the stack pointer.
16640 (FP_REGNUM): New macro: Register number of the frame pointer.
16641 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16642 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16643 CUMULATIVE_ARGS so that it counts registers not bytes.
16645 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16647 Replace uses of fprintf with asm_fprintf where appropriate.
16648 (output_ascii_pseudo_op): Replace with version from thumb.c
16650 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16652 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16653 SUBTARGET_CPP_SPEC.
16654 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16655 (ASM_FILE_START): Emit ASM_APP_OFF.
16657 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16659 * pa.c (compute_frame_size): Round frame according to
16660 STACK_BOUNDARY rather than a hardwired value.
16662 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16664 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16666 * configure: Rebuilt.
16668 * configure.in (hppa*-*-linux*): New configuration.
16669 * configure: Rebuilt.
16670 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16671 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16672 * pa/pa-linux.h: New file.
16673 * pa/t-linux: New file.
16674 * pa/xm-linux.h: New file.
16676 * pa.c (hppa_legitimize_address): Change references from SImode to
16677 either Pmode or word_mode as appropriate.
16678 (emit_move_sequence, store_reg, load_reg): Likewise.
16679 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16680 (output_mul_insn): Likewise.
16681 * pa.h (PROMOTE_MODE): Likewise.
16682 (INITIALZE_TRAMPOLINE): Likewise.
16683 (Pmode): Define to word_mode.
16685 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16686 value of 4. Allocate 8 bytes for each FP register save.
16687 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16689 (hppa_expand_prologue): Likewise.
16690 * pa.h (PROMOTE_MODE): Likewise.
16691 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16692 (FUNCTION_ARG_BOUNDARY): Likewise.
16694 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16696 * pa.c (out_of_line_prologue_epilogue): Delete.
16697 (override_options): Remove -mspace related code.
16698 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16699 (compute_frame_size): Only allocate space for register that
16700 actually need to be saved.
16701 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16702 (TARGET_SWITCHES): Remove -mspace, -mno-space
16703 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16704 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16705 * pa/ee.asm, pa/ee_fp.asm: Delete.
16707 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16709 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16710 directive in column zero.
16712 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16714 * m68k.c (output_function_prologue): Fix computation of save mask
16715 when generating PIC code.
16717 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16719 * tree.c (build_type_attribute_variant): Move current_obstack restore
16720 after build_qualified_type call.
16722 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16724 * configure.in: Use t-iris6, even with GNU LD.
16725 * config/mips/iris6gld.h: Fix typo in linker spec.
16726 * config/mips/t-iris6gld: Remove.
16728 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16730 * rs6000.md (insv, extzv): Remove SImode dependence in named
16731 patterns. Explicitly generate DImode RTL if PowerPC64 and
16733 (insvdi): Reverse start and size in instruction template.
16735 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16737 * invoke.texi: Typo fixes.
16739 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16741 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16742 handle at this time instead of silently generating incorrect code.
16743 (gen_imagpart): Likewise.
16745 * reload.c (find_reloads): Emit a USE for a pseudo register without
16746 a hard register if we could not create an optional reload for the
16749 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16751 * c-typeck.c (output_init_element, process_init_element):
16752 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16753 check for nameless bit fields.
16755 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16757 * regclass.c (scan_one_insn): Notice subregs that change the
16758 size of their operand.
16759 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16761 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16763 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16764 * configure: Rebuilt.
16765 * alpha/t-ieee: New file.
16767 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16769 * rs6000.c (find_addr_reg): Do not select r0 as an address
16772 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16774 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16776 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16778 * rs6000.md (movsf): Do not force easy FP constants into memory.
16780 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16781 immed_double_const to ensure they are properly truncated then
16784 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16786 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16787 always unless NO_DEBUG is used. Compile this code
16789 (replace_symbols_in_block): Compile it unconditionally.
16791 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16793 * configure.in (i?86-*-elf*): New target.
16794 * configure: Rebuilt.
16795 * i386/i386elf.h, i386/t-i386elf: New files.
16797 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16799 * toplev.c (main): Don't complain about saying -gdwarf.
16800 (rest_of_compilation): Remove redundant code.
16802 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16804 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16806 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16808 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16809 "Li960R:", to avoid name clash.
16811 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16813 * loop.c (check_dbra_loop): When reversing a loop, delete all
16814 REG_EQUAL notes referencing the reversed biv except those which are
16815 for a giv based on it.
16817 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16819 * version.c: Drop "gcc-" prefix from version #.
16821 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16823 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16824 the label if we're being verbose.
16826 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16828 * m68k.c (output_function_prologue): Add pic register to mask
16829 if live and flag_pic.
16830 (output_function_epilogue): Likewise.
16832 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16834 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16835 directives in column zero.
16837 * pa/elf.h (ASM_FILE_START): Define.
16838 * pa/som.h (ASM_FILE_START): Include .level directives.
16839 * pa/hpux10.h (ASM_FILE_START): Delete.
16840 * pa/hpux11.h (ASM_FILE_START): Delete.
16842 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16844 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16846 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16847 when reload_out equals reload_in.
16849 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16851 * invoke.texi (Spec Files): New node: Describe the contents of
16854 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16856 * invoke.texi (DEC Alpha Options): Put @end table at
16857 beginning of line, to avoid confusing texi2html.
16859 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16861 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16862 introduced in previous delta.
16864 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16866 * reload1.c (gen_reload): When synthesizing a 3 operand add
16867 sequence, improve test for when to reload OP1 into the reload
16868 register instead of OP0.
16870 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16872 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16874 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16876 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16879 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16881 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16882 (va_dcl): Use __builtin_va_alist_t.
16884 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16886 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16887 on the permanent_obstack.
16888 * dwarfout.c (output_type): Likewise.
16890 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16892 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16893 Merged from c-typeck.c and cp/typeck.c.
16894 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16895 Merged into c-common.
16897 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16899 * c-lex.c (errorcount): Declare it.
16900 (finish_parse): Update errorcount when using CPPLIB.
16902 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16904 * fixinc/inclhack.def(end_else_label): Double the backslash so
16905 sed gets a chance to see it.
16906 * fixinc/inclhack.sh: regen
16907 * fixinc/fixincl.x: regen
16909 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16911 Add framework to support armv5 architecture when it becomes
16914 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16915 (arm_arch5): New variable.
16916 (all_architectures): Add armv5 line.
16917 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16918 -march=armv5 is specified on the command line.
16919 (arm_arch5): Export this variable.
16920 * invoke.texi: Document new string accepted by -march= switch for
16923 * config/arm/arm.h: Replace use of constant 12 as a register
16924 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16925 * config/arm/arm.c: Replace use of constant 12 as a register
16926 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16928 * config/arm/elf.h: Tidy up.
16929 * config/arm/coff.h: Tidy up.
16931 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16933 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16934 * gcc/config/mips/t-iris6gld: New file.
16935 * gcc/config/mips/iris6gld.h: Likewise.
16937 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16939 * c-decl.c (widest_integer_literal_type_node,
16940 widest_unsigned_literal_type) : New.
16941 (init_decl_processing): Handle/use the two new types.
16942 * c-common.c (type_for_size,type_for_mode) : Same.
16943 * c-lex.c (yylex) : Same.
16944 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16946 * c-tree.h (widest_integer_literal_type_node,
16947 widest_unsigned_literal_type) : New.
16949 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16951 * dwarfout.c (field_byte_offset): Correctly compute the object's
16952 byte offset for the first bit of a field which crosses an alignment
16953 boundary on a !BYTES_BIG_ENDIAN target.
16955 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16957 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16960 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16961 Jeff Law <law@cygnus.com>
16963 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16966 * except.c: Include intl.h.
16967 (expand_eh_return): Set current_function_cannot_inline.
16968 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16969 * function.h (struct function): Add eh_return_stub_label.
16970 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16971 * Makefile.in (except.o): Depend on intl.h.
16973 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16975 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16976 same as offsettable in cases 1 and 2.
16978 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16980 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16981 (extlh, extwh): Likewise.
16983 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16985 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16987 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16989 * configure.in: Add arm-pe and thumb-pe targets.
16990 * configure: Regenerate.
16992 * thumb.c (arm_naked_function_p): New function: Determines if
16993 a function is naked (has no gcc generated prologue/epilogue).
16994 (is_called_in_ARM_mode): Return true if the func has the
16995 interfacearm attribute.
16996 (output_return): Do not generate a return for naked functions.
16997 (thumb_function_prologue): Do not generate a prologue for
16999 (thumb_expand_prologue): Do not generate a prologue for naked
17001 (thumb_expand_epilogue): Do not generate an epilogue for naked
17003 (arm_valid_machine_decl_attribute): New function, copied from
17004 arm.c: Permit naked and interfacearm attributes.
17006 * config/arm/pe.c: New file: Support code for arm-pe target.
17007 * config/arm/pe.h: New file: Header file for arm-pe target.
17008 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17009 * config/arm/t-thumb-pe: New file: Makefile fragment for
17012 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17014 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17015 -fPIC or -fpic is specified.
17017 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17019 * expr.c (emit_block_move): Use copy_to_mode_reg for
17020 !TARGET_MEM_FUNCTIONS case too.
17022 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17024 * configure: Rebuilt.
17025 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17026 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17027 definitions made redundant by dbxelf.h inclusion. Delete
17028 lots of definitions related to assembly output that are
17029 specific to the SOM object format.
17030 * pa.c (output_function_prologue): Do not emit the function's
17032 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17033 * pa-pro.h: Deleted.
17034 * som.h: New file with SOM specific definitions.
17035 * elf.h: New file with ELF specific definitions.
17037 * elfos.h (const_section): Output a tab before assembler directives.
17038 (ctors_section, dtors_section): Likewise.
17039 (ASM_OUTPUT_SECTION_NAME): Likewise.
17041 * pa/pa1.h: Delete unused file.
17043 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17045 * configure.in (hppa*-hp-hpux11*): New configuration.
17046 * configure: Rebuilt.
17047 * pa/pa-hpux11.h: New file.
17048 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17051 * mips.md (leasi, leadi): New patterns.
17053 * expr.c (emit_block_move): Properly handle case where one of the
17054 block move arguments has a queued increment or decrement.
17055 (clear_storage): Similarly. Fix formatting goof.
17057 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17059 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17060 semicolon from the BSD VA_LIST replacement expression.
17062 * fixinc/inclhack.sh: regen
17063 * fixinc/fixincl.x: regen
17065 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17066 now use the fixincl program.
17068 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17070 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17071 case. Also make the PIC register call_used.
17073 * m68k.h (FINALIZE_PIC): Delete.
17074 * m68k.c (finalize_pic): Delete.
17076 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17078 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17081 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17083 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17085 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17087 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17089 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17091 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17093 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17095 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17097 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17099 * rs6000.c (output_toc): Always use hex values for floating-point
17100 constants. Store single-precision values in upper-half of TOC
17101 entry in 64-bit mode.
17102 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17103 to final constraints.
17104 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17105 (fctiwz): Improve accuracy of RTL for pattern.
17107 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17109 * expr.c (expand_expr): Allow RTL_EXPR's through the
17110 MAX_INTEGER_COMPUTATION_MODE checks.
17112 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17114 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17115 such that MASK_SUPPORT_ARCH is not negative.
17117 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17119 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17120 ADDR_DIFF_VEC insns that appear inside loops.
17122 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17123 Jeff Law <law@cygnus.com>
17125 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17126 Handle LO_SUM the same as offsettable in cases 1 and 2.
17127 * rs6000.c (find_addr_reg): Revert previous patch.
17129 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17131 * system.h (strstr): New external function declaration.
17132 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17133 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17134 * config.in, configure: Rebuilt.
17136 1999-06-24 Tom Tromey <tromey@cygnus.com>
17138 * gcc.c (main): Read user-specified specs files after computing
17139 additional startfile_prefixes.
17141 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17143 Revert these two patches:
17145 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17146 * loop.c (strength_reduce): When doing biv->giv conversion, update
17147 reg note of NEXT->insn.
17149 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17150 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17152 (recombine_givs): Set ix field after sorting.
17154 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17156 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17157 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17159 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17161 *fixinc/inclhack.def: Add fix development commentary
17162 (read_ret_type): reactivate and add selection clause
17163 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17164 *fixinc/{fixincl.x|inclhack.sh}: regen
17166 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17168 * expr.c (expand_expr): STRIP_NOPS before checking against
17169 MAX_INTEGER_COMPUTATION_MODE
17170 (check_max_integer_computation_mode): Likewise.
17172 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17174 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17176 1999-06-22 Jim Wilson <wilson@cygnus.com>
17178 * expr.c (store_expr): When target is a promoted subreg, return a
17179 promoted subreg as a result.
17181 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17183 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17185 (dwarf2out_define): Mark unused parameters appropriately.
17186 (gen_unspecified_parameters_die): Ditto.
17187 (gen_subprogram_die): Fix signed/unsigned warnings.
17188 (gen_variable_die): Ditto.
17190 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17192 * fixinc/inclhack.def(end_else_label): combined else_label
17193 and endif_label and fixed the sed expression.
17194 *fixinc/{fixincl.x|inclhack.sh}: regen
17196 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17198 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17199 'x' when handling non-offsettable addresses
17201 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17203 * final.c (shorten_branches): Don't try to split an insn that has
17206 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17208 * config/mips/mips.c (symbolic_expression_p): New function.
17209 (mips_select_rtx_section): Put symbolic expressions in the
17210 data section, not the read-only data section.
17212 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17214 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17216 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17218 * collect2.c (main): Log frame table count.
17219 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17220 (scan_prog_file) [COFF]: Handle frame tables.
17222 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17223 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17224 * alpha/elf.h: Undef them again.
17225 * alpha/vms.h: Remove their definitions.
17227 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17229 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17230 remove the clobber of r0 and change the REG_UNUSED note to
17233 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17235 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17236 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17237 fits in HOST_WIDE_INT and one uses union to access a long constant
17240 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17242 * sparc.c (sparc_override_options): Don't allow profiling for
17243 code models other than medlow.
17244 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17245 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17246 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17247 (sparc_block_profiler): Likewise.
17248 (sparc_function_block_profiler_exit): Likewise.
17249 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17250 (FUNCTION_BLOCK_PROFILER): Likewise.
17251 (BLOCK_PROFILER): Likewise.
17252 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17253 (MCOUNT_FUNCTION): New.
17254 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17255 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17256 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17257 (MCOUNT_FUNCTION): New.
17258 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17259 (BLOCK_PROFILER): Delete.
17260 (MCOUNT_FUNCTION): New.
17262 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17264 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17266 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17268 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17271 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17274 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17277 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17280 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17282 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17285 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17287 * i386/djgpp.h (LIB_SPEC): New.
17288 (STARTFILE_SPEC): New.
17290 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17292 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17294 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17297 * system.h (WSTOPSIG): New macro.
17299 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17301 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17303 (insert_pack_attributes): Take into account member natural
17306 * i386/winnt.c (exports_head): New static variable.
17307 (i386_pe_record_exported_symbol): New function.
17308 (i386_pe_asm_file_end): Use.
17309 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17310 symbols to be emitted at end of assembly.
17311 (ASM_DECLARE_OBJECT_NAME): Likewise.
17312 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17314 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17317 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17319 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17322 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17324 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17325 zapping reg_last_uses directly.
17326 (sched_analyze_2, sched_analyze_insn): Likewise.
17327 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17329 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17331 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17332 attributes for cases 1 and 2.
17334 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17336 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17339 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17341 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17343 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17345 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17346 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17347 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17348 must be stacked if it is used for PIC accesses.
17349 * arm.c (use_return_insn): Handle PIC register specially.
17350 (output_return_instruction): Likewise.
17351 (output_func_{prologue,epilogue}): Likewise.
17352 (output_expand_prologue): Likewise.
17354 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17355 (*strsi_predec): Renamed from *strqi_predec.
17356 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17357 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17359 * arm.c (arm_override_options): Remove warning about PIC code
17360 not being supported.
17362 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17364 * rs6000.c (find_addr_reg): New function.
17365 * rs6000.h (find_addr_reg): Declare.
17366 (offsettable_addr_operand): Delete.
17367 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17368 from and stores to GPRs.
17370 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17372 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17373 gen_sequence as argument to emit_no_conflict_block.
17375 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17377 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17378 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17379 *fixinc/fixincl.x: regen
17380 *fixinc/inclhack.sh: regen
17382 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17384 * added support for -mpcrel (PC relative addressing for m68k)
17385 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17386 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17387 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17388 (comments for general_src_operand): Add some explanation
17389 about EXTRA_CONSTRAINTS.
17390 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17391 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17392 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17393 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17394 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17395 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17396 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17397 if not already set.
17398 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17399 * m68k.h (TARGET_PCREL): New target flag.
17400 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17401 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17402 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17403 contains a SYMBOL_REF. Relax this constraint during reload, since
17404 we want to use the predicates, not reload's built-in concept of a
17405 valid memory address, to control what insns need reloading.
17406 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17407 operands (essentially 'g', 'm', and 's' under normal circumstances).
17408 * m68k.c (print_operand): Cause printing of pc-relative addresses
17409 to include pc register.
17410 (print_operand_address): Ditto.
17411 (general_src_operand): Accept operands that are not only
17412 general_operands, but are also valid when used as a pc-relative
17414 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17415 (memory_src_operand): Similar, for memory_operands.
17416 (pcrel_address): New predicate to accept the special case of a
17417 pc-relative address.
17418 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17419 QImode insns to accept *_src_operand instead of *_operand where
17420 pc-relative operands can fit. For example, a pc-relative operand
17421 can be used as a memory source operand for addsi3, but not as a
17422 memory destination.
17423 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17425 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17427 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17428 .thumb_set pseudo op to mark aliases of thumb functions.
17430 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17432 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17433 preference to ASM_OUTPUT_DEF, if it is defined.
17435 * tm.texi: Document new, optional target macro
17436 ASM_OUTPUT_DEF_FROM_DECLS.
17438 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17440 * fixincludes: ISCNTL patch
17441 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17442 (dgux_int_varargs): new for DG/UX
17443 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17445 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17447 * invoke.texi (ia32 options): Fix typo.
17449 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17451 * loop.c (strength_reduce): When doing biv->giv conversion, update
17452 reg note of NEXT->insn.
17454 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17456 * loop.c (move_movables): Note issues with replacing REGs with
17458 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17460 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17462 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17464 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17465 the reference to `mcount' was not correct for the ELF on FreeBSD.
17467 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17469 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17472 (recombine_givs): Set ix field after sorting.
17474 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17476 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17477 to safe to extract a subword out of a REG.
17479 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17481 * sh.md (mulsi3): Don't add a no-op move at the end.
17483 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17485 * cse.c (cse_insn): Don't put hard register source into tables for
17486 the last insn of a libcall.
17488 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17490 * loop.c (strength_reduce): Insert sets of derived givs at every
17491 biv increment, even if it's the only one.
17493 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17495 * dwarfout.c (add_incomplete_type): New fn.
17496 (output_type): Call it.
17497 (retry_incomplete_types): New fn.
17498 (dwarfout_finish): Call it.
17500 From Eric Raskin <ehr@listworks.com>:
17501 (output_type): Output types for bases.
17503 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17505 * mips.c (mips_output_conditional_branch): Add `break'
17506 between `default' label and `close braces'.
17508 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17510 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17511 specifications and make it realistic.
17512 (LIB_SPEC): Likewise.
17514 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17516 * config/mips/mips.c (mips_secondary_reload_class): Check for
17517 (PLUS (SP) (REG)) and return appropriate register class.
17518 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17519 Handle (PLUS (SP) (REG)).
17520 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17521 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17522 of emit_insn for tablejump.
17524 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17526 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17527 asm_fprintf format string by itself.
17528 (output_function_profiler): Likewise.
17530 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17532 * combine.c (simplify_logical, case AND): Only call
17533 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17534 or the constant is positive.
17536 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17538 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17539 * configure: Regenerate.
17541 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17543 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17544 require a sub-version #.
17545 * configure: Rebuilt.
17547 1999-06-14 Robert Lipe (robertlipe@usa.net)
17549 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17551 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17553 * c-typeck.c (process_init_element): Detect excess elements in
17554 char array initializer.
17556 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17558 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17560 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17562 * invoke.texi (Option Summary): Add -fpermissive flag.
17564 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17566 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17567 that require PIC code sequences.
17569 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17571 * configure.in: Add new target: thumb-elf.
17572 * configure: Regenerate.
17573 * config/arm/t-thumb-elf: New file: Makefile fragment for
17575 * config/arm/telf.h: New file: Header file for thumb-elf
17578 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17580 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17581 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17582 initializers is some circumstances.
17584 * fixinc/inclhack.def (endif_label): Add additional selector for
17585 more bogus stuff after #endif statements.
17586 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17588 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17590 * i386/cygwin.h (SET_ASM_OP): Define.
17592 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17594 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17596 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17598 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17601 * sh.md (ic_invalidate_line_i): Remove second alternative.
17603 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17605 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17606 test for the presence of valid prototypes. Delete bypass expr.
17607 (ioctl_fix_ctrl): Correct the selection expression.
17608 (no_double_slash): Correct quoting rules
17609 *fixinc/fixincl.x: regen
17610 *fixinc/inclhack.sh: regen
17612 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17614 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17616 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17618 * rs6000.md (movsi_got_internal_mem): Delete.
17619 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17620 (GOT_TOC_REGNUM): Delete.
17621 (PIC_OFFSET_TABLE_REGNUM): Define.
17622 (FINALIZE_PIC): Disable.
17623 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17624 (rs6000_replace_regno): Delete.
17625 (rs6000_finalize_pic): Likewise.
17626 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17628 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17630 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17631 is a note; use <= for the compare; advance P while it is
17634 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17636 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17637 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17639 * varasm.c (remove_from_pending_weak_list): Verify t->name
17640 is non-NULL before passing it to strcmp.
17642 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17644 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17645 the typed arguments are not part of a comment
17646 (ioctl_fix_ctrl): Added a purpose comment
17647 *fixinc/fixincl.x: regenerate
17648 *fixinc/inclhack.sh: regenerate
17650 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17652 * invoke.texi: Add C4x invocation docs.
17654 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17656 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17658 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17660 (c4x_legitimize_reload_address): New function.
17661 * config/c4x/c4x.md: Update docs.
17663 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17665 * fixincludes: Avoid removing '.'.
17666 * fixinc/fixinc.svr4: Likewise.
17667 * fixinc/fixinc.winnt: Likewise.
17668 * fixinc/inclhack.tpl: Likewise.
17669 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17671 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17673 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17675 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17677 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17679 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17682 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17684 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17685 * configure: Regenerate.
17687 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17689 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17692 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17694 * fixinc/inclhack.def (avoid_bool): Also catch
17695 "typedef [unsigned] int bool".
17696 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17698 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17699 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17700 * configure: Rebuilt.
17702 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17704 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17705 such that we can override its definitions if necessary.
17706 (CPP_SPEC): New define. Support processor specific predefines via
17708 (CC1_SPEC): New define. Support processor specific compiler
17709 options via %(cc1_cpu).
17710 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17713 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17715 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17716 between sed's -e flag, and the open-quote following it.
17717 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17719 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17720 Jeffrey A Law (law@cygnus.com)
17722 * varasm.c (assemble_start_function): Remove the function
17723 from the pending weak decls list when we define a function.
17724 (assemble_variable): Similarly for variables.
17725 (weak_finish): Ignore items on the list with a NULL name.
17726 (remove_from_ending_weak_list); New function to "remove" an item
17727 from the pending weak declarations list.
17729 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17731 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17733 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17735 * c-lex.c (GETC): Redefine to call getch.
17736 (UNGETC): Redefine to call put_back.
17737 (putback_buffer): New structure type.
17738 (putback): New static structure.
17739 (getch): New function.
17740 (put_back): New function.
17741 (yylex): Replace unused bytes from bad multibyte character.
17743 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17745 * cpplib.c (do_define): Cast `alloca' return value.
17746 (do_include, do_undef, do_pragma): Likewise.
17747 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17749 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17750 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17752 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17754 * sparc.md (abstf2): This should be an expand.
17755 (split after abstf2_notv9): Fix mode.
17756 (abstf2_hq_v9): New pattern.
17757 (abstf2_v9): Only use when no hard quad.
17758 (absdf2_v9): Fix if target is not the same as source.
17759 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17760 Add correct output constraints.
17762 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17764 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17765 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17767 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17769 * mips.h (mips_output_conditional_branch): New function.
17770 (mips_adjust_insn_length): Likewise.
17771 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17772 (ADJUST_INSN_LENGTH): Likewise.
17773 * mips.c (print_operand): Add `F' and `W' for floating-point
17774 comparison opcodes.
17775 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17777 (mips_adjust_insn_length): New function.
17778 (mips_output_conditional_branch): New function.
17779 * mips.md (length): Adjust attribute definition to handle
17780 conditional branches. Change lengths to bytes, rather than
17781 instructions throughout. Remove length attribute from
17782 instructions whose length is four bytes, and rely on the default
17784 (dslot): Fix typo in comment.
17785 Reword conditional branch patterns to use
17786 mips_output_conditional_branch.
17788 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17790 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17791 (LIB_SPEC): Likewise.
17792 Link with -lprof1_r for -g/-pg.
17794 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17796 * loop.c (check_dbra_loop): Fix change of Jan 19.
17798 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17800 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17801 (STARTFILE_SPEC): Define, override the svr4.h version.
17802 (ENDFILE_SPEC): Likewise.
17804 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17806 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17807 * fixinc/fixincl.x: Regenerated.
17808 * fixinc/inclhack.sh: Regenerated.
17810 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17812 * sh.c (barrier_align): Don't return early for normal branch/barrier
17813 when optimizing for SH2.
17815 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17817 * i386/udk.h (LINK_SPEC): Correct linker search path for
17820 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17822 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17823 (braf_label_ref_operand): Delete.
17824 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17825 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17826 label_ref, and has no predicate.
17827 The patten has a predicate to guard against invalid substitutions.
17828 (dummy_jump): Delete.
17829 (casesi): Update use of casesi_jump_2.
17831 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17833 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17834 *fixinc/fixincl.x: regenerate
17835 *fixinc/inclhack.sh: regenerate
17837 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17839 * dwarf2out.c (add_incomplete_type): New fn.
17840 (gen_struct_or_union_type_die): Call it.
17841 (retry_incomplete_types): New fn.
17842 (dwarf2out_finish): Call it.
17844 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17846 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17847 current block starts with a CODE_LABEL and ends with a CALL and
17848 we can not find all the argument setup instructions for the CALL.
17850 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17852 Revert this change:
17853 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17854 something is a candidate for optimize_bit_field_compare.
17856 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17858 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17860 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17862 * alpha.c (override_options): Thinko in last patch.
17864 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17865 (LIB_SPEC): Recognize -pthread.
17867 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17869 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17870 definition in config/arm/coff.h
17871 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17873 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17875 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17876 fixes that need "file=xxx\n" prepended before invocation
17877 (start_fixer - new): starting the fixer process is complex enough
17878 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17879 (process): uses the new routine; omit usage of putenv()
17880 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17881 * fixinc/fixincl.x: regenerate
17883 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17885 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17886 and version #s (1.1 -> 2.96) as needed.
17887 * README.g77: Kill way out of date file in the toplevel directory.
17889 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17891 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17892 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17893 * configure: Rebuilt.
17894 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17895 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17896 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17897 (SWITCH_TAKES_ARG): Likewise.
17898 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17899 * config/t-freebsd: Moved from config/i386/ so it can used for all
17902 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17904 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17906 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17908 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17909 * configure: Rebuilt.
17911 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17913 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17914 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17915 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17916 (rs6000_output_load_toc_table): Same.
17917 (output_prolog, output_mi_thunk): Same.
17918 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17919 (ASM_GLOBALIZE_LABEL): Use putc.
17921 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17923 * alpha.md (reload_*_help): New patterns and splitters.
17924 (reload_*): Use them.
17925 (mov[qh]i): Likewise.
17927 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17929 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17932 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17934 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17936 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17938 * flow.c (mark_regs_live_at_end, insn_dead_p,
17939 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17940 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17941 hasn't run or the frame pointer is needed.
17942 * haifa-sched.c (attach_deaths): Likewise.
17943 * sched.c (attach_deaths): Likewise.
17945 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17947 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17948 calculate_can_reach_end returns nonzero.
17950 * configure.in (native gas tests): Search for an assembler in the
17951 same manner that the installed compiler will.
17952 * configure: Rebuilt.
17953 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17955 * alias.c (find_base_term): Improve handling of addresses
17956 constructed from binary operations.
17958 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17960 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17962 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17964 * function.h (cleanup_label, frame_offset): Declare.
17965 (tail_recursion_label, tail_recursion_reentry): Likewise.
17966 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17967 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17968 (tail_recursion_label, tail_recursion_reentry): Likewise.
17969 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17971 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17973 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17975 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17976 (MAX_OFILE_ALIGNMENT): Define.
17978 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17980 * fixincl.c: Replace local include scheme with #includes of
17981 gansidecl.h and system.h.
17982 * procopen.c: Likewise.
17983 * server.c: Likewise.
17985 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17987 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17988 (crti.o): Add build rule and dependencies.
17989 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17991 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17993 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17994 (LIB_LINUX_SPEC): Likewise.
17995 (LIB_LINUX_SPEC): Add support for -pthread
17996 (CPP_OS_LINUX_SPEC): Likewise.
17997 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18000 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18002 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18004 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18005 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18006 for IEEE math and CC_FCOMI.
18007 (put_jump_code): No IEEE if CC_FCOMI is set.
18009 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18011 * fold-const.c (fold_truthop): Make the field reference unsigned
18012 when converting a single bit compare.
18014 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18016 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18018 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18020 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18021 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18024 * reload.c (push_reload): Do not call remove_address_replacements
18025 when presented with identical optional reloads.
18027 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18029 * alpha.h (MASK_FIX, TARGET_FIX): New.
18030 (MASK_*): Reorganize constants.
18031 (CPP_AM_FIX_SPEC): New.
18032 (TARGET_SWITCHES): Add FIX.
18033 (EXTRA_SPECS): Likewise.
18034 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18035 (SECONDARY_MEMORY_NEEDED): Likewise.
18036 (REGISTER_MOVE_COST): Likewise.
18037 * alpha.c (override_options): Add FIX support. Always use
18038 ALPHA_TP_PROG for ev6.
18039 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18040 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18041 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18043 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18045 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18046 something is a candidate for optimize_bit_field_compare.
18048 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18050 * gcc.texi (Passes): Document branch-shortening.
18051 * invoke.texi (Debugging Options): Document the fact that `-dp'
18052 outputs length information for instructions.
18054 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18056 * flow.c: Revert previous delta.
18058 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18060 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18061 FRAME_POINTER_REGNUM.
18062 (mark_set_1): Ditto.
18063 (mark_used_regs): Ditto.
18065 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18067 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18068 (GOT_PCREL): New macro. Define to 1 if not already defined.
18069 * arm/elf.h (GOT_PCREL): Define to 0.
18070 * arm.c (arm_finalize_pic): Take into account the setting of
18073 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18075 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18076 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18078 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18079 store elimination candidates.
18081 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18083 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18086 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18088 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18089 Add use of x-aix41-gld.
18091 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18093 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18094 (ASM_OUTPUT_DESTRUCTOR): Define.
18096 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18098 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18099 last CODE_LABEL in a loop if we have previously passed a jump
18100 to the top of the loop.
18102 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18104 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18105 applying Philip's patch.
18107 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18109 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18112 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18114 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18116 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18118 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18119 Also remove a useless comment.
18121 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18123 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18125 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18127 * collect2.c (main): Only generate import or export file and add
18128 to link arguments if non-empty. Use xmalloc not alloca.
18129 (write_{export,import}_file): Delete.
18130 (write_aix_file): New function.
18131 (locatelib): Use xmalloc not malloc.
18132 (GCC_OK_SYMBOL): Do not check type if aix64.
18134 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18136 Based on patch by Scott Bambrough and Pat Beirne:
18137 * config/arm/arm.c (making_const_table): New variable.
18138 * config/arm/arm.h (making_const_table): Declare.
18139 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18141 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18142 Keep track of when we are building the constant table.
18144 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18146 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18149 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18151 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18154 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18156 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18159 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18161 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18163 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18165 * rs6000.c (output_mi_thunk): Enable full support again.
18167 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18169 * sh.h (BRANCH_COST): Define.
18171 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18173 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18175 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18177 * function.c (assign_stack_local): Align stack slot propertly.
18178 (assign_outer_stack_local): Likewise.
18180 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18182 * expr.h (lang_expand_constant): Declare.
18183 * toplev.c (lang_expand_constant): Define it.
18184 * varasm.c (output_constant): Use it.
18186 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18188 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18189 Change function definitions to K&R style.
18191 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18193 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18195 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18197 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18198 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18199 (several places): omit static initialization
18200 (process): use single fd, since only the read fd is used
18201 * fixinc/gnu-regex.c: define 'const' away, if not supported
18202 * fixinc/procopen.c(several places): omit static initialization
18203 * fixinc/server.c: define 'volitile' away, if not supported
18205 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18207 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18208 asm_fprintf and %L to generate the label name.
18209 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18210 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18212 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18214 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18215 insn for a conditional jump can not be found.
18217 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18219 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18220 on variables in specific sections other than .sbss and .sdata.
18222 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18224 * stmt.c (expand_return): Call start_cleanup_deferral and
18225 end_cleanup_deferral around conditional code.
18227 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18229 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18230 filename lists. Utilizes new "krstr" AutoGen function.
18231 * fixinc/fixincl.x: Rebuilt.
18233 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18235 * i386.c (output_float_compare): Avoid GNU-C extensions.
18237 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18239 * version.c: Bump to distinguish mainline tree from the
18242 See ChangeLog.1 for earlier changes.