1 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3 * integrate.c (expand_inline_function): Don't put a virtual
4 register into the reg map.
6 * function.c (fixup_var_refs_1): If force_operand didn't put
7 the address into the target, move it there.
9 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11 Special-case tree_decl/tree_list allocations.
12 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13 (OBJECT_SIZE): New macro.
14 (NUM_EXTRA_ORDER): Likewise.
15 (extra_order_size_table): New variable.
16 (NUM_ORDERS): New macro.
17 (objects_per_page_table): New variable.
18 (object_size_table): New variable.
19 (G.pages): Use NUM_ORDERS to bound the array.
20 (G.page_tails): Likewise.
21 (DIV_ROUND_UP): Remove.
22 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
23 (alloc_page): Use OBJECT_SIZE.
24 (size_lookup): Don't make it const.
25 (ggc_alloc): Use OBJECT_SIZE.
26 (ggc_set_mark): Likewise.
27 (ggc_get_size): Likewise.
28 (init_ggc): Set up the object_size_table, objects_per_page_table,
29 and adjust size_lookup.
30 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
31 (ggc_pop_context): Use NUM_ORDERS.
32 (clear_marks): Likewise.
33 (sweep_pages): Likewise.
34 (poison_pages): Likewise.
35 (ggc_print_statistics): Use OBJECT_SIZE.
37 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
39 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
40 Only call array_size_for_constructor if last field and array type
43 2001-01-04 Philip Blundell <philb@gnu.org>
45 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
46 from bit 31 downwards, if this requires no more insns.
47 (count_insns_for_constant): New helper function for above.
49 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
51 * gencodes.c (output_predicate_decls): Remove empty initializer.
53 2001-01-04 Mark Mitchell <mark@codesourcery.com>
55 * tree.c (copy_node): Remove documentation about obstacks.
56 (buidl1): Check that nobody tries to build 2-argument nodes this
59 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
64 * gencodes.c (output_predicate_decls): Fill empty initializer
67 2001-01-04 Jakub Jelinek <jakub@redhat.com>
69 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
70 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
72 (do_include): Handle missing headers like cpp0.
73 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
74 paths with first include pathname. Don't strcat to uninitialized
77 2001-01-04 Bernd Schmidt <bernds@redhat.com>
79 * regrename.c (regrename_optimize): Don't rename from frame pointer
80 if frame_pointer_needed.
81 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
82 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
83 (ia64_reorg): Use it instead of scheduling if ! optimize.
84 (errata_emit_nops): Properly call asm_noperands.
85 (ia64_sched_reorder): Finish cycle if we see an asm.
86 (ia64_variable_issue): Clear scheduling state after asms.
88 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
90 * cpp.texi: Update for -MT.
91 * cppinit.c (initialize_dependency_output): Add a default
92 target if none has been given already.
93 (no_tgt, OPT_MT): New.
94 (cpp_handle_option): Handle -MT. Update -M etc.
95 * cpplib.h (struct cpp_options): Remove deps_target.
96 * gcc.c (cpp_options): Handle -MT.
97 * mkdeps.c (struct deps): Move from mkdeps.h.
98 (deps_calc_target): Rename deps_add_default_target. Add a
99 default target if none has been specified already.
100 * mkdeps.h (struct deps): Move to mkdeps.c.
101 (deps_calc_target): Rename deps_add_default_target.
103 2000-01-03 Richard Henderson <rth@redhat.com>
105 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
107 * c-typeck.c (push_init_level): Move checks for flexible array
108 members and zero length arrays ...
109 (pop_init_level): ... here. Silently discard empty initializations.
111 * varasm.c (output_constructor): Update for sizeof change to
114 * extend.texi (Zero Length): Clarify semantics.
116 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
118 * configure.in (tm.h): Include isns-codes.h last.
119 * configure: Rebuilt.
121 2001-01-03 Richard Henderson <rth@redhat.com>
123 * config/alpha/alpha.md (addvsi3, addvdi3): New.
124 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
126 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
128 * tradcpp.c (main): Make sure finclude() is called with a valid
129 indepth value while handling -include.
131 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
133 * gencodes.c (output_predicate_decls): New function.
135 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
136 even if it is not the first time machmode.h is #included.
137 * config/sh/sh.c (fpul_operand): Declare MODE argument.
138 * tm.texi (PREDICATE_CODES): Document predicate declarations.
139 * gcc.texi (Copyright): Added 2001.
141 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
143 * c-common.c (c_common_lang_init): New function. Warn if format
144 warning options which only have effects when used with -Wformat
145 are used without -Wformat.
146 * c-common.h (c_common_lang_init): Declare.
147 * c-lang.c (lang_init): Call c_common_lang_init.
148 * objc/objc-act.c (lang_init): Call c_common_lang_init.
150 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
152 * configure.in: Check for the mktemp command.
153 * configure: Regenerate.
154 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
155 $TEMP. Create temporary files with mktemp, if available at
156 configure time; otherwise use set -C. Remove temporary files
159 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
161 * configure.in: Require at least texinfo 4.0. Check for whether
162 Pod::Man is sufficiently recent to regenerate GCC manpages.
163 * configure: Regenerate.
164 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
166 (GENERATED_MANPAGES): Define.
167 (generated-manpages): New target. Depend on cpp.1 as well as
169 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
170 configure to generated-manpages or empty) rather than on the
171 manpages directly. Remove execute permission from installed
172 gcov.1 as well as cpp.1.
173 * cpp.1, gcov.1: Regenerate.
175 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
177 * builtins.c (expand_builtin_strncmp): Use host_integerp and
178 tree_low_cst. Allow using cmpstrsi in more cases.
180 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
182 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
185 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
187 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
188 * Makefile.in (HOST_CFLAGS): Mention build-make.
190 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
192 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
195 2001-01-01 Bernd Schmidt <bernds@redhat.com>
197 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
200 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
203 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
204 reg_base_value and reg_known_value arrays.
205 (init_alias_analysis): Add more cases to detect known values.
206 * sched-deps.c (deps_may_trap_p): New function.
207 (sched_analyze_2): Use it.
209 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
211 * combine.c (simplify_shift_const): Even if we're sign-extracting,
212 don't discard an ASHIFTRT if we're shifting in a wider mode.
214 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
216 * toplev.c (rest_of_compilation): Don't print basic block information
217 when CFG isn't up to date.
219 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
221 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
222 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
223 (UNALIGNED_SHORT_ASM_OP): Define.
224 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
226 2001-01-02 Mark Mitchell <mark@codesourcery.com>
228 * fold-const.c (fold_convert): Fix typo.
230 2001-01-02 Richard Henderson <rth@redhat.com>
232 * c-common.h (ASM_INPUT_P): New.
233 * c-parse.in (asm): Set it when needed.
234 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
235 existance of an operand.
237 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
239 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
240 (dwarf2out_frame_debug_expr): Likewise.
241 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
243 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
245 * i386.c (ix86_split_to_parts): Return number of part required;
247 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
249 (ix86_split_long_move): Use number of part returned
250 by ix86_split_to_parts
251 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
253 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
254 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
255 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
256 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
257 (ALIGN_MODE_128): Add TFmode.
258 (IS_STACK_MODE): Likewise.
259 (HARD_REGNO_NREGS): TFmode needs 3 registers.
260 (HARD_REGNO_OK): Support TFmodes.
261 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
262 * i386.md (scheduler definitions): Use memory operand to determine
263 fst/fld instructions; use mode attribute to determine real mode of
265 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
266 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
268 2001-01-02 Mark Mitchell <mark@codesourcery.com>
270 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
272 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
274 * expr.c (store_constructor_field): Update ALIGN before calling
277 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
279 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
282 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
284 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
287 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
289 * c-decl.c (start_function): Don't warn on third parameter to main.
291 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * tsystem.h: Define HAVE_DECL_GETOPT.
295 2001-01-02 Philip Blundell <pb@futuretv.com>
297 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
300 2001-01-02 Richard Henderson <rth@redhat.com>
302 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
304 2001-01-02 Andreas Jaeger <aj@suse.de>
306 * c-decl.c (c_decode_option): Remove support of
309 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
310 (W_options): Add -Wmissing-noreturn here.
312 * flow.c: Define lang_missing_noreturn_ok_p.
313 (check_function_return_warnings): Use it.
315 * c-common.h: Declare lang_missing_noreturn_ok_p.
317 * c-lang.c (c_missing_noreturn_ok_p): New function.
318 (lang_init): Set lang_missing_noreturn_ok_p.
320 * invoke.texi (Warning Options): Document this.
322 2000-12-27 Phil Edwards <pme@sources.redhat.com>
324 * extend.texi (C++ Extensions): New node for C++ attributes;
325 describe init_priority and com_interface.
326 * invoke.texi: Remove -finit-priority as it now has zero effect.
327 * install.texi: Fix xref syntax.
330 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
332 * config.gcc (sparc64-wrs-vxworks*): New case.
333 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
335 * config/sparc/sparc.c (sparc_override_options): Do support different
336 pointer and architecture size.
337 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
338 (POINTERS_EXTEND_UNSIGNED): Define.
339 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
340 (FUNCTION_MODE): Define to be Pmode.
341 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
343 * function.c (expand_function_end): Properly handle DECL_RESULT
344 and copy when ptr_mode != Pmode.
345 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
347 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
349 * c-common.c (c_common_nodes_and_builtins): Set prototype
350 parameters for __builtin_fputs, __builtin_fputc and
351 __builtin_fwrite. Don't declare plain fputc as a builtin.
353 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
355 * loop.c (add_label_notes): Increment the label usage count when
356 a note is added to an insn which refers to a CODE_LABEL.
357 * gcse.c (add_label_notes): Likewise.
359 2001-01-01 Andreas Jaeger <aj@suse.de>
361 * loop.c (scan_loop): Use xmalloc to allocate movables.
363 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
365 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
366 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
367 * reload1.c (REGISTER_MOVE_COST): Likewise.
368 * regclass.c (REGISTER_MOVE_COST): Likewise.
369 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
370 dimension. Adjust all users.
371 (init_reg_sets_1): Iterate on all modes.
372 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
373 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
374 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
375 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
376 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
377 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
378 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
379 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
380 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
381 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
382 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
383 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
384 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
385 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
386 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
387 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
388 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
389 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
390 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
391 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
392 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
393 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
394 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
395 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
396 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
397 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
398 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
400 2001-01-01 Bernd Schmidt <bernds@redhat.com>
402 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
403 arg VARIES_P. Call it with extra arg.
404 (true_dependence): Likewise.
405 * rtl.h (rtx_addr_can_trap_p): Declare.
406 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
408 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
409 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
410 pic offset table register if it's zero. All callers changed.
411 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
413 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
415 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
416 STRING_POOL_ADDRESS_P.
418 * config/sparc/sparc.c (input_operand): Properly test for short op.
420 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
421 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
422 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
423 * config/sparc/elf.h: No longer include sol2.h.
424 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
425 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
427 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
429 2001-01-01 Michael Hayes <mhayes@redhat.com>
431 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
432 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
433 (record_initial): Likewise.
434 * unroll.c (copy_loop_body, loop_iterations): Likewise.
435 (remap_split_bivs): Likewise.
437 2001-01-01 Michael Hayes <mhayes@redhat.com>
439 * loop.c (loop_ivs_free): New function.
440 (strength_reduce): Break out from...
442 2001-01-01 Michael Hayes <mhayes@redhat.com>
444 * loop.h (struct iv): New.
445 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
446 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
447 'reg_biv_class' fields with 'regs' and 'n_regs'.
448 (struct ivs): Rename 'loop_iv_list' field to 'list'.
449 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
450 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
452 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
454 * resource.c (mark_referenced_resources): Abort() before
455 attempting to mark a pseudo register.
456 (mark_set_resources): Likewise.
458 2001-01-01 Michael Hayes <mhayes@redhat.com>
460 * loop.h (REG_IV_CLASS): New accessor macro.
461 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
462 * unroll.c (REG_IV_CLASS): Likewise.
464 Sun Dec 31 19:20:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
466 * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR): New.
467 (loc_descriptor_from_tree, case SAVE_EXPR): New.
469 2001-01-01 Michael Hayes <mhayes@redhat.com>
471 * loop.c (loop_giv_reduce_benefit): Break out from strength_reduce.
472 (loop_givs_dead_check, loop_givs_reduce, loop_givs_rescan): Likewise.
473 (prescan_loop): Set pre_header_has_call in loop_info.
474 * loop.h (struct_iv_class): Add `final_value' and `all_reduced'.
475 (struct loop_info): Add `pre_header_has_call'.
477 * loop.c (loop_bivs_find): Break out from strength_reduce.
478 (loop_bivs_init_find, loop_bivs_check, loop_givs_find): Likewise.
479 (loop_givs_check, loop_biv_eliminable_p): Likewise.
481 * loop.c (LOOP_REG_LIFETIME, LOOP_REG_GLOBAL_P): Define.
482 (scan_loop, record_giv): Use LOOP_REG_LIFETIME and LOOP_REG_GLOBAL_P.
484 * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Define.
485 * loop.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Use in place of
486 direct access to uid_luid array.
487 * unroll.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Likewise.
489 * loop.h (struct loop_movables): New.
490 (LOOP_MOVABLES): New.
491 (struct loop_info): Add movables field.
492 * loop.c (struct movables): Delete. Replace all uses
493 with struct loop_movables.
494 (the_movables): Delete. Replace all uses with movables
496 (loop_movables_add, loop_movables_free): New functions.
497 (scan_loop): Use xmalloc instead of alloca for movables.
498 Call loop_movables_free.
500 * loop.c (debug_loops): New.
502 2000-12-31 Philip Blundell <philb@gnu.org>
504 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm
507 2000-12-30 Richard Henderson <rth@redhat.com>
509 * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC.
510 Initialize variables properly for DBX_LBRAC_FIRST.
512 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
514 * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change.
516 2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 * builtins.c (validate_arglist): New function, use it.
520 2000-12-30 Philip Blundell <philb@gnu.org>
522 * config/arm/arm.c (arm_expand_prologue): Fix typos in error
523 message and comment. Note location of testcase for an unhandled
526 2000-12-30 Jeffrey Oldham <oldham@codesourcery.com>
528 * defaults.h (BUILD_VA_LIST_TYPE): New definition.
529 * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
530 is a copy, not an alias.
532 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
534 * calls.c (calls_function_1, case CONSTRUCTOR): New case.
536 * alias.c (alias_sets_conflict_p): New function.
537 (mems_in_disjoint_alias_sets_p): Use it.
538 (readonly_fields_p): Moved from expr.c; check for record type.
539 (objects_must_conflict_p): New function.
540 * calls.c (expand_call): Use assign_temp as much as possible, use
541 readonly variant if assigned once, and don't set memory attributes.
542 (emit_library_call_value_1, store_one_arg): Likewise.
543 * integrate.c (expand_inline_function): Likewise.
544 * stmt.c (expand_asm_operands, expand_return): Likewise.
545 * expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
546 (store_field, save_noncopied_parts, expand_expr): Likewise.
547 (expand_expr_unaligned): Likewise.
548 (readonly_fields_p): Moved to alias.c.
549 (safe_from_p): Rework handling of SAVE_EXPR.
550 MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
551 * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
552 (assign_stack_for_temp): Use objects_must_confict_p.
553 Set all memory attributes from type, if specified.
554 (mark_temp_slot): Mark TYPE field.
555 * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
556 (objects_must_conflict_p): Likewise.
558 * stmt.c (expand_decl): Don't use assign_stack_temp in error case.
559 (add_case_node): No need to copy nodes anymore.
561 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
563 * config/sh/sh.c (split_branches): Don't dereference re-computed
564 `beyond' before checking it's non-NULL.
566 2000-12-29 Robert Lipe <robertl@sco.com>
568 Remove COFF support from i?86-pc-sco3.2v5.
569 * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II.
570 (TARGET_ELF): Now always true.
571 (SUBTARGET_SWTICHES: )Remove -mcoff.
573 * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
574 MULTILIB_EXCEPTION): Nuke coff.
575 (CRTSTUFF_T_CFLAGS_S): Deleted.
576 (TARGET_LIBGCC2_CFLAGS): Added.
578 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
580 * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO
581 twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO
584 2000-12-29 Bernd Schmidt <bernds@redhat.com>
586 * ia64.c (ia64_expand_load_address): Accept additional scratch
587 register argument. All callers & prototype changed.
588 Use scratch register when generating load_symptr insns.
589 * ia64.md (movdi_symbolic): Clobber a scratch register. Use it
590 when calling ia64_expand_load_address.
591 (movdi): Generate movdi_symbolic with additional operand.
592 (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1).
593 (load_symptr): Likewise. Use additional operand as a scratch
594 register instead of generating it here.
596 * basic-block.h: Add a comment.
597 * flow.c (PROP_POSTRELOAD): New macro.
598 (update_life_info): Add it to prop_flags.
599 (mark_set_1): If it is set, compute REG_N_SETS for the original
600 register number of a hard reg.
602 * emit-rtl.c (gen_raw_REG): New function.
603 (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of
605 * print-rtl.c (print_rtx): Print ORIGINAL_REGNO.
606 * final.c (alter_subreg): Update it.
607 * regrename.c (do_replace): Likewise. Use gen_raw_REG.
608 * rtl.def (REG): Update comment.
609 * rtl.h (X0UINT, ORIGINAL_REGNO): New macros.
610 (gen_raw_REG): Declare.
612 2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
614 * tree.c (get_set_constructor_bits): Use host_integerp and
617 * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN.
619 * toplev.c (main): Call xmalloc_set_program_name.
620 * gcc.c (main): Likewise.
622 2000-12-29 Philip Blundell <philb@gnu.org>
624 * config/arm/arm.c (arm_override_options): Fix typo in warning
627 2000-12-29 Richard Henderson <rth@redhat.com>
629 * config/alpha/alpha.c (alpha_expand_block_move): Initialize
630 src_align and dst_align in bits. Do unaligned quadword loads
631 if possible for BWX too.
632 (alpha_expand_block_clear): Initialize align in bits. Track
633 small leading offsets into a larger alignment. Play games with
634 stq_u for large 4-byte aligned blocks. Use load/mask/store
635 for appropreately aligned heads and tails.
637 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
639 * function.c (assign_parms): Convert arguments passed by
640 reference to the right mode.
642 2000-12-28 Geoffrey Keating <geoffk@redhat.com>
644 * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
645 on the condition of a FOR statement, so that it gets typechecked
648 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
650 * c-decl.c (grokdeclarator): Prevent crash in case of overflow in
653 * calls.c (emit_library_call_value_1): Add to call_fusage the
654 stack slot assigned to argument passed by reference.
656 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
658 * toplev.h (extern really_sorry): Remove extern declaration for
659 nonexistent function.
661 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
663 * varasm.c (initializer_constant_valid_p): Indicate subtraction of
664 pointers to the same string constant is absolute.
666 2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk>
668 * c-common.c (enum format_type): Add strfmon_format_type.
669 (decl_attributes): Handle format attributes strfmon and
671 (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
672 FMT_FLAG_EMPTY_PREC_OK): Define.
673 (format_char_info): Update comment for flag_chars.
674 (format_flag_spec): Add skip_next_char.
675 (format_kind_info): Add left_precision_char.
676 (printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
677 format_types): Update for these new structure members and flags.
678 (time_char_table): Make const.
679 (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
680 monetary_char_table): New.
681 (format_types): Add details of strfmon formats.
682 (init_function_format_info): Create default attribute for strfmon.
683 (check_format_info_main): Check the new flags. Handle
684 skip_next_char and left precision.
685 * toplev.c (documented_lang_options): Update description of
687 * extend.texi: Document strfmon format attributes. Document
688 attribute forms such as __printf__. Clarify format_arg attribute
690 * invoke.texi (-Wformat): Update for strfmon formats.
692 2000-12-28 Andreas Jaeger <aj@suse.de>
694 * expmed.c (store_bit_field): Fix last patch.
696 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
698 * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing
701 2000-12-28 Alan Lehotsky <lehotsky@tiac.net>
703 * expmed.c (store_bit_field): Correctly compute smallest mode that
704 is sufficient to contain all bits we are storing.
706 2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
708 * builtins.c (build_function_call_expr): New function. Use it
709 everywhere in lieu of manually constructing a CALL_EXPR.
711 2000-12-27 Chandrakala Chavva <cchavva@redhat.com>
713 * calls.c (store_one_arg): If parm is passed both in stack and in
714 register and offset is greater than reg_parm_stack_space, split
715 the offset and call emit_push_insn().
717 2000-12-27 Nick Clifton <nickc@redhat.com>
719 * ifcvt.c (noce_emit_store_flag): Handle jump insns that are
722 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
724 * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related
727 2000-12-27 Bruce Korb <bkorb@gnu.org>
729 * fixinc/Makefile.in: fix for ancient Bourne shell
730 * fixinc/Makefile.BEOS: obsolete
731 * fixinc/Makefile.DOS: obsolete
732 * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing
734 2000-12-27 Bernd Schmidt <bernds@redhat.com>
736 * sched-deps.c (get_condition, conditions_mutex_p): New functions.
737 (add_dependence): Use them to avoid adding unnecessary dependencies
738 between conditionally executed insns.
739 (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free
740 dependency lists if current insn is a COND_EXEC.
742 2000-12-27 Geoffrey Keating <geoffk@redhat.com>
744 * config/rs6000/rs6000.md (define_attr "length"): Correct
747 2000-12-26 Kazu Hirata <kazu@hxi.com>
749 * config/h8300/h8300.c: Fix a comment typo.
750 (get_shift_alg): Fix a typo in the assembly code for 12-bit
751 ASHIFTRT in HImode. Do not output extra whitespace after one line
752 of assembly code. Output a tab after an opcode instead of a
754 (emit_a_shift): Output a tab after an opcode instead of a space.
756 2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
758 * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
759 out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
760 %4 in output templates, do not modify operands passed by the caller.
762 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
764 * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
766 * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
767 BUILT_IN_LLABS and BUILT_IN_IMAXABS.
768 * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
769 builtin labs, llabs and imaxabs.
770 (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
771 and BUILT_IN_IMAXABS.
773 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
775 * c-common.c (builtin_function_2): New function.
776 (c_common_nodes_and_builtins): Use it to define each pair (foo,
777 __builtin_foo) of builtins in one place.
779 2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
781 * gccbug.in: Add libgcj and preprocessor categories.
783 2000-12-22 Bernd Schmidt <bernds@redhat.com>
785 * config/ia64/ia64.c (itanium_reorder): Only schedule stops in
786 the final scheduling pass.
788 2000-12-22 Nick Clifton <nickc@redhat.com>
790 * config/arm/arm.h (struct machine_function): Add new field
791 'lr_save_eliminated'.
792 * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the
793 link register if its save has been eliminated.
794 (output_arm_prologue): Mention if the save of the link register
796 (output_arm_epilogue): Rename 'live_regs_mask' to
798 Test 'saved_regs_mask' for the link register, not regs_ever_live.
799 (arm_expand_prologue): If the link register has not been saved set
800 lr_save_eliminated and emit a USE to prevent later passes from
803 * dwarf2out_frame_debug_expr: Allow the (scratch) frame
804 pointer to be initialised from the stack pointer plus a
807 2000-12-22 Bernd Schmidt <bernds@redhat.com>
809 * regrename.c (struct du_chain): New field "earlyclobber".
810 (enum scan_actions): Remove unused entry "note_reference".
811 (enum scan_actions_name): Likewise.
812 (note_sets, clear_dead_regs, merge_overlapping_regs): New static
814 (regrename_optimize): Use them to compute unavailable regs; get
815 rid of the more simpleminded code we used to have here.
816 Use a tick array to ensure registers are allocated in a more
817 round-robin way. Disable code that only optimizes registers
818 that were seen more than once.
819 (referenced_regs): Remove variable.
820 (scan_rtx_reg): New arg "earlyclobber". All callers changed.
821 Store its value in newly generated du_chain structures.
822 Add new du_chains at the end, not the start, of the list.
823 Don't handle the "note_reference" action.
824 (scan_rtx): New arg "earlyclobber". All callers changed.
825 (build_def_use): Lose code to keep track of referenced regs.
827 2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
829 * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo.
831 * fp-bit.h (usi_to_float): Add prototype.
833 * i386.c (ix86_expand_builtin): Delete unused label.
835 * dwarf2out.c (file_info_cmp): Prototype.
836 (dwarf2out_line): Hide variable `old_in_use'.
838 * objc-act.c (objc_fatal): Delete.
840 * sched-vis.c (visualize_stall_cycles): Remove unused variable.
842 * system.h (getopt): Fix error in last change.
844 * varasm.c (assemble_trampoline_template): Constify.
846 2000-12-22 Jason Merrill <jason@redhat.com>
848 * collect2.c (main): Use auto_demangling.
850 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
852 * function.c (assign_parms): Update parm's DECL_INCOMING_RTL
853 when optimizing PARALLEL to REG.
855 2000-12-22 Graham Stott <grahams@redhat.com>
857 * reload.c (update_auto_inc_notes): New, broken out from ...
858 (find_reloads_address_1): ... use here, also correct possible
859 use of uninitialised reloadnum.
861 2000-12-21 David O'Brien <obrien@FreeBSD.org>
863 * config/freebsd.h (LIB_SPEC): remove -kthread option.
865 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
867 * resource.c (mark_set_resources): Use MARK_SRC_DEST for
868 PRE_MODIFY and POST_MODIFY cases.
870 * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
872 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
874 * md.texi (Looping Patterns): New node.
876 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
878 * gcc.texi, cpp.texi: Update last-updated dates.
880 2000-12-21 Chandrakala Chavva <cchavva@redhat.com>
882 * varasm.c (output_addressed_constants): Use language specific
883 expander on unknown nodes.
885 2000-12-21 Graham Stott <grahams@redhat.com>
887 * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.
889 2000-12-21 Bernd Schmidt <bernds@redhat.com>
891 * Makefile.in (out_object_file): Depend on sched-int.h.
892 * rtl.h (single_set_1): New macro.
893 (single_set_2): Renamed from single_set_1 and extra argument added.
894 * rtlanal.c (single_set_2): Likewise.
896 * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate,
897 ia64_adjust_cost, ia64_sched_init, ia64_sched_finish,
898 ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue):
900 * config/ia64/ia64.c: Include "sched-int.h".
901 (hard_regno_rename_ok): Also disallow renaming from the various
903 (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class,
904 ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p,
905 safe_group_barrier_needed_p, fixup_errata): New static functions.
906 (rtx_needs_barrier): Handle bundle selector and cycle display
908 (emit_insn_group_barriers): Accept additional FILE * arg. All
909 callers changed. Rework to only generate stop bits between
910 basic blocks that haven't been inserted by scheduling.
911 (struct bundle, struct ia64_packet): New structures.
912 (NR_BUNDLES, NR_PACKETS): New macros.
913 (bundle, packets, type_names): New static arrays.
914 (ia64_final_schedule): New variable.
915 (ia64_single_set, insn_matches_slot, ia64_emit_insn_before,
916 gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles,
917 cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
918 find_best_packet, itanium_reorder, dump_current_packet, schedule_stop):
919 New static functions.
920 (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder,
921 ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New
923 (ia64_reorg): Perform a final scheduling pass.
924 * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs.
925 (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT,
926 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH,
927 MD_SCHED_VARIABLE_ISSUE): Define macros.
928 (ia64_final_schedule): Declare variable.
929 * config/ia64/ia64.md (attr itanium_class): Add some more classes.
930 (attr type): Account for them.
931 (itanium_requires_unit0): New attribute.
932 (function units): Rewrite.
933 (some splitters): Don't create scheduling barriers here.
934 (gr_spill_internal, gr_restore_internal): Don't predicate the
936 (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1,
937 bundle_selector): New patterns.
938 (insn_group_barrier): Now has an operand.
940 2000-12-21 DJ Delorie <dj@redhat.com>
942 * dwarf2out.c (simple_decl_align_in_bits): new
943 (field_byte_offset): Try both the type align and the
944 decl align, use whichever works, preferring the type align.
946 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
948 * gccbug.in: Fix typo.
950 2000-12-20 Benjamin Kosnik <bkoz@redhat.com>
952 * Makefile.in (gcc_gxx_target_include_dir): Use instead of
953 build_tooldir and libstdcxx_incdir.
955 2000-12-20 Robert Lipe <robertlipe@usa.net>
957 * haifa-sched.c (schedule_block): Provide empty source statement
958 if not MD_SCHED_REORDER2.
960 2000-12-20 Richard Henderson <rth@redhat.com>
962 * rtl.h (REG_NON_LOCAL_GOTO): New.
963 * rtl.c (reg_note_name): Update.
964 * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
965 * builtins.c (expand_builtin_longjmp): Likewise.
966 * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
969 2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
971 * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
972 Do not output undefined opcodes where source or destination register
973 overlaps with modified pointer register. Handle (X + d) addresses.
974 * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
975 in alternatives with memory operand.
977 2000-12-20 Richard Henderson <rth@redhat.com>
979 * c-typeck.c (build_asm_stmt): New, broken out from ...
980 (c_expand_asm_operands): ... here. Just do rtl expansion.
981 (c_expand_return): Return the new stmt node.
982 (c_start_case, do_case): Likewise.
983 * c-common.c (c_expand_expr_stmt): Likewise.
984 * c-common.h: Update declarations.
985 * c-tree.h: Likewise.
986 * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
987 * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
988 (nested_function, notype_nested_function): Likewise.
989 (compstmt): Return the compound statement not the binding level.
990 (lineno_labeled_stmt): Simplify.
991 (lineno_stmt, lineno_label): Set STMT_LINENO.
992 (stmt, label): Return the new stmt node.
994 2000-12-20 Bernd Schmidt <bernds@redhat.com>
996 * Makefile.in (OBJS): Add sched-ebb.o.
997 (sched-ebb.o): New rule.
998 (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
999 (haifa-sched.o): Depend on insn-flags.h.
1000 * haifa-sched.c: Include "insn-flags.h".
1001 (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
1003 * rtl.h (schedule_ebbs): Declare.
1004 * sched-int.h (struct sched_info): Add new members
1005 contributes_to_priority and compute_jump_reg_dependencies.
1006 * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
1008 (region_sched_info): Add them.
1009 * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
1010 * sched-ebb.c: New file.
1011 * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
1013 * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
1014 handle all relational operators.
1016 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
1018 * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
1019 * tm.texi: Document it.
1021 2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
1023 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
1024 instead of gcc_tooldir.
1026 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1028 * system.h (getopt): Update prototype to match include/getopt.h.
1030 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1033 * pa.c (basereg_operand): Simplify.
1035 2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
1037 * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
1038 not block number. All callers and prototype changed.
1039 (set_priorities): Likewise.
1040 (save_line_notes): Add head and tail arguments; all callers and
1042 (restore_line_notes): Likewise. Don't crash on insns generated
1044 (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
1045 Call MD_SCHED_INIT with additional argument.
1046 When starting a new cycle, emit cycle_display insns if available.
1047 Don't stop scheduling when encountering a JUMP_INSN, but add another
1048 call to schedule_more_p in the inner loop.
1049 Call MD_SCHED_REORDER2 after scheduling an insn.
1050 Call MD_SCHED_FINISH once all insns are scheduled.
1051 (sched_init): Compensate for the fact that get_block_head_tail
1052 doesn't include leading notes.
1053 * sched-deps.c (free_deps): Free vectors here.
1054 * sched-rgn.c (compute_block_backward_dependencies): Not here.
1055 (last_was_jump): New static variable.
1056 (schedule_more_p): Test it.
1057 (init_ready_list): Initialize it.
1058 (can_schedule_ready_p): Set it if we have a JUMP_INSN.
1060 * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
1061 * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
1062 * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
1064 * md.texi (cycle_display): Document.
1065 * tm.texi (MD_SCHED_INIT): Document new arg.
1066 (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
1068 * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
1069 to use different representation. All callers changed.
1070 (and_reg_cond): Renamed from nand_reg_cond; caller changed.
1071 (init_propagate_block_info): Don't test flags to determine
1072 whether to compute conditional lifetimes.
1073 Adjust code for new representation of conditional lifetimes.
1074 (mark_regno_cond_dead): Similar adjustment.
1075 (free_reg_cond_life_info): Similar adjustment.
1076 (elim_reg_cond): New function.
1077 (flush_reg_cond_1): Use it.
1079 2000-12-19 Catherine Moore <clm@redhat.com>
1081 * reload1.c (reload_combine): Take multi-hard-regs into account
1082 when processing CALL_INSN_FUNCTION_USAGE.
1084 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1086 * invoke.texi (-print-search-dirs): Make references to cpp refer
1089 2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1091 * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
1094 Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
1096 * reload.c (push_reload): When using a dying register for the reload
1097 register in an in-out reload, use outmode if wider than inmode.
1099 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1101 * config/d30v/d30v.h (EXIT_BODY): Update comment.
1103 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1105 * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
1106 * tm.texi (EXIT_BODY): Update documentation.
1107 * config/freebsd.h, config/netware.h, config/arm/coff.h,
1108 config/arm/conix-elf.h, config/arm/unknown-elf.h,
1109 config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
1110 sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
1111 commented out) and associated comments.
1113 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1115 * c-common.c (STD_C9L, ADJ_STD): Define.
1116 (printf_length_specs, scanf_length_specs): Mark "ll" as standard
1118 (T99_LL): Rename to T9L_LL.
1119 (T99_ULL): Rename to T9L_ULL.
1120 (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
1121 instead of T99_LL and T99_ULL.
1122 (check_format_info_main): Use ADJ_STD on all format standard
1123 versions being compared.
1124 * c-common.h: Declare warn_long_long.
1125 * c-tree.h: Don't declare warn_long_long.
1127 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1129 * COPYING: Update to current
1130 ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
1131 to 19yy as example year in copyright notice).
1133 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1135 * c-lex.c (cb_file_change): Treat in_system_header as strictly
1138 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1140 * cppmain.c: Update print.lineno with -P.
1142 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1144 * c-lex.c: s/change_file/file_change.
1145 * cpplib.h: Similarly.
1146 * cppmain.c: Similarly.
1147 * fix-header.c: Similarly.
1148 * cppfiles.c (stack_include_file): Pass the buffer location and
1149 size to cpp_push_buffer. Generate the file_change callback,
1150 so that sysp is already set.
1151 * cpphash.h: Add _cpp_do_file_change.
1152 * cpplib.c (do_line): Set buffer->sysp directly. Generate the
1153 file_change callback after setting sysp.
1154 (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
1156 (cpp_push_buffer): Don't generate a callback. Clear sysp.
1157 (cpp_pop_buffer): Clean up logic.
1159 2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
1161 * configure.in (gcc_gxx_include_dir): Simplify.
1162 (libstdcxx_incdir): Export.
1163 * configure: Regenerate.
1164 * Makefile.in (PREPROCESSOR_DEFINES): Add in
1165 GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
1166 (libstdcxx_incdir): Add.
1167 * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
1169 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1171 * c-lex.c (lex_lineno): Remove.
1172 (init_c_lex, c_lex): Remove lex_lineno.
1173 (cb_change_file): Update lineno correctly, both before calling
1174 push_srcloc and before leaving the function.
1175 (cb_def_pragma): Set lineno before outputting diagnostics.
1177 Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1179 * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
1180 Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
1181 Use print_node_brief to print bounds.
1183 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1185 * cpplib.h (struct cpp_reader): Remove references to string_pool
1186 and temp_string_pool.
1187 * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
1188 ident_pool in place.
1189 * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
1190 save_comment, cpp_token_as_text): Similarly.
1191 * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
1192 * cppmacro.c (make_number_token, builtin_macro, lock_pools,
1193 unlock_pools, stringify_arg, paste_tokens): Similarly.
1195 Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1197 * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
1198 (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
1199 (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
1201 2000-12-17 Richard Earnshaw <rearnsha@arm.com>
1203 * Makefile.in (check-po): Use $(MAKE).
1204 (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
1206 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1208 * cppmain.c (check_multiline_token): New function.
1209 (scan_buffer): Use it.
1210 (cb_change_file): Restructure to avoid warning.
1211 * cpperror.c (print_location): Initialize col.
1213 2000-12-14 Philipp Thomas <pthomas@suse.de>
1215 * protoize.c (main): Correctly set locale categories.
1216 * gcc.c (main): Likewise.
1217 * cppmain.c (general_init): Likewise.
1218 * toplev.c (main): Likewise.
1219 * gcov.c (main): Likewise.
1220 * collect2.c (main): Likewise.
1222 2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1224 * c-common.c (c_common_nodes_and_builtins): Create a
1225 cstring_endlink, use it. Rename int_ftype_string_string to
1226 int_ftype_cstring_cstring, string_ftype_string_int to
1227 string_ftype_cstring_int, and string_ftype_string_string to
1228 string_ftype_cstring_cstring. Prefer sizetype_endlink and
1229 int_endlink to manually recreating them. Fix the prototype
1230 set for __builtin_strspn/__builtin_strcspn.
1232 2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
1234 * config/avr/avr.c (out_set_stack_ptr): Update comment.
1235 (print_operand): Add support for %~ and %o.
1237 2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1239 * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
1241 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1243 * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
1244 * cpperror.c (print_containing_files): Get right line number.
1245 (print_location): Output column of 1 if 0.
1246 * cppfiles.c (stack_include_file): cpp_push_buffer handles
1248 * cpphash.h (_cpp_do_file_change): No longer external.
1249 * cpplib.c (do_file_change): Now local to cpplib.c.
1250 (do_line): Fake a buffer stack for preprocessed files.
1251 (cpp_push_buffer): Create a file_change callback. Handle faked
1253 (cpp_pop_buffer): Similarly.
1254 * cpplib.h: BUF_FAKE: New buffer type.
1255 * cppmain.c: Update to handle correct file renaming where a
1256 #line is the first line of the main file, and produce only
1257 the renamed file, not the original file, as output.
1259 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1261 * config/c4x/c4x.md: Remove redundant @s from output patterns.
1263 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1264 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1266 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
1268 * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
1270 * config/c4x/c4x.c (c4x_init_pragma): New function.
1271 (c_lex_func): New variable.
1272 (c4x_parse_pragma): Use c_lex_func.
1274 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1275 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1277 * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
1278 to c4x_init_builtins.
1280 * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
1282 * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
1283 (c4x_output_ascii): Fix.
1285 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1286 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1288 * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
1290 * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
1291 (c4x_expand_builtin): Likewise.
1293 * config/c4x/c4x.c (c4x_init_builtins): New function.
1294 (c4x_expand_builtin): Likewise.
1296 * config/c4x/c4x.md (floatunsqihf2): New pattern.
1297 (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
1298 (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
1299 (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
1300 (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
1302 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1304 * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
1305 * libgcc2.c (__absvsi2): Use Wtype and DWtype.
1306 (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
1307 (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
1309 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
1311 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
1312 statement in do/while(0).
1314 Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
1316 * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
1317 lshrhi3_cmpno): Remove redundant '@' from the template.
1319 * i386.md (cmpstrsi_1): Fix type of the compare.
1321 * genattrtab.c (attr_rtx_cost): New function.
1322 (simplify_test_exp): Avoid overactive inlining; use temporary
1325 Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1327 * diagnostic.c (finish_abort): Deleted.
1328 (fatal): Add code from finish_abort.
1329 (error_recursion, fancy_abort): Call fatal, not finish_abort.
1330 (trim_filename): Remove leading "../".
1331 * diagnostic.h (finish_abort): Deleted.
1332 * toplev.c (crash_signal): Call fatal, not finish_abort.
1334 * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
1335 as if size were variable.
1337 * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
1339 2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
1341 * tradcpp.c: T_WARNING: New.
1342 (do_warning): New function.
1343 (finclude): Skip past the newline and increase the line number
1344 before calling output_line_command.
1345 (do_line): Skip the new line after output_line_command. Don't
1346 pre-decrement the line number.
1348 2000-12-15 Diego Novillo <dnovillo@redhat.com>
1350 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
1351 _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
1353 2000-12-15 Jakub Jelinek <jakub@redhat.com>
1355 * gcc.c (cpp_options): Pass -fno-operator-names.
1356 * cpplib.h (struct cpp_options): Add operator_names.
1357 * cppinit.c (cpp_create_reader): Initialize it.
1358 (initialize_builtins): If -fno-operator-names, don't add
1359 C++ alternate operator names.
1360 (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
1361 (cpp_handle_option): Clear operator_names.
1363 2000-12-15 Jason Merrill <jason@redhat.com>
1365 * jump.c (jump_optimize_1): Don't delete the line note after the
1366 prologue even if it seems redundant.
1368 * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
1369 on all insns used to adjust the stack.
1371 Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
1373 * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
1374 hardreg<->reg moves.
1376 Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
1378 * genrecog.c (add_to_sequence): Remove special case for
1380 (maybe_both_true): Return 1 when falling out of sequence when
1381 trying to find common possition in the pattern.
1383 Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
1385 * integrate.c (copy_rtx_and_substitute): Copy mode too.
1387 Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
1389 * flow.c (notice_stack_pointer_modification_1): Cleanup.
1391 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
1393 * function.c (adjust_trampoline_addr): New function.
1394 (trampoline_address): Call it instead of round_trampoline_addr().
1395 * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
1397 2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
1399 * cppfiles.c (hack_vms_include_specification): Delete function
1400 (not used since 1998).
1402 Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
1404 * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
1406 2000-12-14 Jim Wilson <wilson@redhat.com>
1408 * alias.c (get_alias_set): Call record_component_aliases for
1410 (record_component_aliases): Handle COMPLEX_TYPE.
1412 2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1414 * fixinc/gnu-regex.c: Disable NLS.
1416 2000-12-14 Richard Henderson <rth@redhat.com>
1418 * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
1419 comparison operands when that would create non-canonical rtl.
1421 * config/i386/i386.md (umulsi3_highpart): Remove * from name.
1422 (smulsi3_highpart): Likewise.
1424 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1426 * gcc.c (cpp_options): Add -remap.
1428 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1430 * gcc.c (cpp_options): Update to use '&'.
1431 (struct switchstr): Change type of validated to save space.
1432 New member 'ordering'.
1433 (handle_braces, validate_switches): Update to handle '&'.
1435 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
1437 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
1439 * fixinc/fixincl.x: regenerated.
1441 2000-12-13 DJ Delorie <dj@redhat.com>
1443 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
1445 2000-12-13 Tom Tromey <tromey@redhat.com>
1447 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
1449 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
1451 * function.c (assign_parms): Optimize incoming PARALLELs into
1454 2000-12-13 Bruce Korb <bkorb@gnu.org>
1456 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
1457 that cannot handle bi-directional pipes, viz. BeOS and DOS.
1458 * fixinc/fixlib.h(IGNORE_ARG): new macro
1459 (STATIC): define for all of fixinc to use
1460 * fixinc/fixfixes.c(*): eliminate unused arg warnings
1461 * fixinc/fixtests.c(*): ditto
1462 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
1463 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
1464 warning. Also, eliminate the ``#ifdef emacs'' stuff.
1465 (re_syntax_options): make global as it is declared so.
1466 * fixinc/mkfixinc.sh: process the argument list more consistently
1467 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
1468 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
1469 * fixinc/server.c(globals): ditto
1470 * fixinc/server.h(defines): ditto
1472 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1474 * tradcpp.c (special_symbol): Improve test for definedness,
1475 though it is still not perfect.
1476 (do_define): Don't define illegal macro names.
1478 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
1480 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
1481 if changing into .bss section.
1482 * config/mips/elf64.h: same.
1483 * config/mips/iris6.h: same.
1484 * config/mips/netbsd.h: same.
1485 * config/mips/openbsd.h: same.
1487 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1489 * cppfiles.c (read_name_map): Return null if open () fails.
1490 (remap_filename): Simplify logic. Add ICE if it doesn't work
1491 as expected. Perform secondary lookup attempt on base filename
1494 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
1496 * flow.c (notice_stack_pointer_modification_1): Notice midifications
1497 using PRE_MODIFY and POST_MODIFY.
1499 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
1501 * genoutput.c (process_template): Add sanity checking for '@' templates.
1503 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
1505 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
1508 2000-12-12 Mike Stump <mrs@wrs.com>
1510 * Makefile.in (distclean): Remove safe-ctype.c as well.
1512 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
1514 * tradcpp.c (do_error): Cast difference of pointers to int
1517 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1519 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
1520 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
1522 2000-12-12 Jim Wilson <wilson@redhat.com>
1524 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
1526 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
1528 * configure.in: Simplify language enabling/disabling code.
1529 * configure: Rebuilt.
1530 * ch/config-lang.in (target_libs): Set.
1531 (build_by_default): Set to no.
1532 * cp/config-lang.in (target_libs): Set.
1533 * f/config-lang.in (target_libs): Set.
1534 * java/config-lang.in (target_libs): Set.
1535 * objc/config-lang.in (target_libs): Set.
1537 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
1539 * tradcpp.c (enum node_type): Add T_ERROR.
1540 (do_error): New function.
1541 (directive_table): Add #error handler.
1543 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1545 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
1547 * configure: Regenerated.
1548 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1549 * config/rs6000/rs6000.c (rs6000_unique_section): Use
1550 STRIP_NAME_ENCODING.
1552 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
1554 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
1555 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
1558 2000-12-11 Bruce Korb <bkorb@gnu.org>
1560 * fixinc/fixincl.tpl: initialize all fields for warnings
1561 * fixinc/fixincl.x: regenerate
1563 2000-12-11 Neil Booth <neilb@earthling.net>
1565 * tradcpp.h: For tradcpp, NUL is not whitespace.
1567 2000-12-11 Neil Booth <neilb@earthling.net>
1569 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
1571 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
1573 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
1574 (compare_diff_p, compare_eq_p): Call compare_condition.
1575 (out_tsthi, out_tstsi): Call compare_sign_p.
1576 (avr_progmem_p): Check for error_mark_node.
1578 2000-12-11 Neil Booth <neilb@earthling.net>
1580 * cpperror.c (print_location): New function.
1581 (print_containing_files): Simplify.
1582 (_cpp_begin_message): Simplify and use print_location.
1583 * cppfiles.c (stack_include_file): Update.
1584 (_cpp_pop_file_buffer): Update.
1585 * cpphash.h (struct cpp_buffer): New members
1586 include_stack_listed and type.
1587 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
1588 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
1589 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
1590 handle_assertion): Update.
1591 (cpp_push_buffer): Take a buffer type and file name.
1592 (cpp_pop_buffer): Update. Clear include_stack_listed.
1593 * cpplib.h (input_stack_listing_current): Remove.
1594 (enum cpp_buffer_type): New.
1595 (cpp_push_buffer): New prototype.
1596 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
1597 * fix-header.c (read_scan_file): Update.
1599 2000-12-10 Robert Lipe <robertlipe@usa.net>
1601 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
1604 2000-12-10 Richard Henderson <rth@redhat.com>
1606 * genrecog.c (find_operand): Handle 'V' format code.
1607 (find_matching_operand): New.
1608 (validate_pattern): Accept '=' for an in-out operand if there
1609 is another operand with a matching constraint.
1611 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
1614 2000-12-10 Richard Henderson <rth@redhat.com>
1616 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
1618 2000-12-09 Richard Henderson <rth@redhat.com>
1620 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
1621 STRICT_LOW_PART as SET_DEST have in-out constraints.
1623 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1625 * c-common.c (check_function_format): Don't suggest adding format
1626 attributes to functions with no parameter to which to add them.
1628 2000-12-09 Nick Clifton <nickc@redhat.com>
1630 * config/arm/arm.c (arm_expand_prologue): Mark the generated
1631 insn not the set as being DWARF2_FRAME_RELATED_P.
1633 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1635 * Makefile.in: use $(build_exeext) for all build
1636 system executable targets.
1638 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1640 * install.texi: remove i[345]86-*-winnt3.5 section.
1641 * configur.bat: removed.
1642 * config/msdos: directory removed.
1644 2000-12-09 Neil Booth <neilb@earthling.net>
1646 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
1647 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
1648 * cpplex.c (parse_identifier): Improve diagnostic.
1649 (_cpp_lex_token): Return unconditionally at the end of a directive.
1650 * cpplib.c (read_flag): Verify legality of each flag.
1651 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
1652 (do_line): Use the new read_flag.
1653 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
1654 check_macro_redefinition, parse_params): Rename var_args to
1657 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1659 * .cvsignore: Add info files.
1661 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
1663 * config/winnt: Remove obsolete directory.
1664 * install.texi (Configurations): Remove obsolete documentation for
1667 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
1669 * configure.in: Don't define INSTALL_INFO.
1670 * configure: Regenerate.
1671 * Makefile.in (INSTALL_INFO): Remove.
1672 (info): Depend on info files in source directory.
1673 (cpp.info, gcc.info, c-tree.info): Build info files in source
1675 (distclean): Don't remove info files.
1676 (maintainer-clean): Remove info files from source directory.
1677 (install-normal): Depend on install-info.
1678 (install-info): Install info files from source directory, if they
1680 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
1682 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
1684 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
1685 before taking its NOTE_LINE_NUMBER.
1687 2000-12-08 Nick Clifton <nickc@redhat.com>
1689 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
1691 * extend.texi: Document ARM "interrupt" function attribute.
1692 Mention that the ARM also support the "naked" function
1695 * config/arm/arm-protos.h (arm_current_func_type): Add
1698 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
1699 (struct machine_function): Add 'func_type' field.
1700 Define bit values for 'func_type' field.
1701 (ARM_FUNC_TYPE): New macro.
1702 (IS_INTERRUPT): New macro.
1703 (IS_VOLATILE): New macro.
1704 (IS_NAKED): New macro.
1705 (IS_NESTED): New macro.
1706 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
1708 * config/arm/arm.c (isr_attribute_args): New Structure. A
1709 list of "interrupt" function attribute modifiers.
1710 (arm_isr_value): New Function: Returns the type of the current
1712 (arm_compute_func_type): New Function: Computes the type of
1713 the current function.
1714 (arm_current_func_type): New Function: Returns the type of the
1716 (use_return_insn): Use arm_current_func_type.
1717 (arm_valid_type_attribute_p): Accept "interrupt" function
1719 (arm_comp_type_attributes): Check "interrupt" attributes.
1720 (arm_valid_machine_decl): Accept "interrupt" function
1722 (arm_function_ok_for_sibcall): Do not allow interrupt
1723 functions to use sibcalls.
1724 (arm_naked_function_p): Delete.
1725 (print_multi_reg): Remove redundant parameter 'hat'.
1726 (arm_compute_save_reg_mask): New Function: Compute a bit mask
1727 of registers saved during the current function's prologue.
1728 (output_arm_return_instruction): Use arm_current_func_type.
1729 Generate return instruction when LR is not poppsed off the
1731 (arm_volatile_func): Delete.
1732 (output_arm_prologue): Use arm_current_func_type and
1733 arm_compute_save_reg_mask.
1734 Note presernce of interrupt functions.
1735 (arm_output_epilogue): Use arm_current_func_type and
1736 arm_compute_save_reg_mask.
1737 (arm_expand_prologue): Use arm_current_func_type and
1738 arm_compute_save_reg_mask.
1739 (arm_init_machine_status): Initialise func_type field, if
1741 (thumb_expand_prologue): Use arm_current_func_type.
1742 (output_thumb_prologue): Use arm_current_func_type.
1744 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
1746 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
1748 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
1750 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
1753 2000-12-07 Mike Stump <mrs@wrs.com>
1755 * Makefile.in (distclean): Remove alloca.c hashtab.c.
1757 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
1759 * Makefile.in (HOST_RTL): Add safe-ctype.o.
1760 (safe-ctype.o): New rule.
1761 * system.h: Include safe-ctype.h, not ctype.h. No need to
1764 * cpphash.h: Zap IStable and related macros. Define is_* in
1765 terms of safe-ctype.h macros.
1766 * cppinit.c: Delete the IStable and all related code.
1768 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
1769 is_space arrays. Delete initialize_char_syntax. Change all
1770 references to the above arrays to use macros instead.
1771 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
1772 is_nvspace in terms of safe_ctype.h's macros.
1773 * tradcif.y: is_idchar, is_idstart are macros not arrays.
1775 * config/i370/i370.c, config/winnt/dirent.c,
1776 config/winnt/fixinc-nt.c, config/winnt/ld.c:
1777 Use uppercase ctype macros. If we included ctype.h,
1778 include safe-ctype.h instead.
1780 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
1781 ISLOWER(c) before calling TOUPPER(c).
1782 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
1783 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
1784 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
1786 2000-12-07 DJ Delorie <dj@redhat.com>
1788 * c-decl.c (grokdeclarator): preserve previous alignments when
1789 rebuilding array types.
1791 2000-12-07 Neil Booth <neilb@earthling.net>
1793 * cppfiles.c (struct include_file): Move from cpphash.h.
1794 (_cpp_never_reread): New function.
1795 (open_file, read_include_file): Use it.
1796 (stack_include_file): Set the buffer's sysp according to the
1797 path in which the file was found.
1798 (find_include_file): Don't set sysp.
1799 (cpp_make_system_header, actual_directory): Update.
1800 (_cpp_execute_include): Do #include_next lookup handling here,
1801 not in cpplib.c. Use _cpp_never_reread.
1802 * cpphash.h (struct_include_file): Remove.
1803 (struct cpp_buffer): New member sysp.
1804 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
1805 (_cpp_never_reread): New.
1806 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
1807 (end_directive): Clear line_extension flag.
1808 (_cpp_handle_directive): Set line_extension flag for #number.
1809 (do_include_next): Handle path lookup in _cpp_execute_include.
1810 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
1811 (_cpp_do_file_change): Update.
1812 (do_pragma_once): Use cpp_never_reread. Clean up.
1813 * cpplib.h (struct lexer_state): New member line_extension.
1815 2000-12-07 Richard Henderson <rth@redhat.com>
1817 * flow.c (calculate_global_regs_live): Force the stack pointer live
1818 after reload as well.
1820 2000-12-07 Bruce Korb <bkorb@gnu.org>
1822 * fixinc/Makefile.*(exeext): the variables are exeext, the
1823 substitution expression is build_exeext.
1825 2000-12-07 Neil Booth <neilb@earthling.net>
1827 * c-common.c (parse_in): Make a cpp_reader *.
1828 * cppfiles.c (_cpp_fake_include): Remove.
1829 * cpphash.h: Similarly.
1830 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
1831 #line always creates a callback; FC_RENAME if there are no
1833 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
1834 The first EOF must be our get_char buffer.
1836 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1838 * c-common.c (warn_format_security): New variable.
1839 (check_format_info): Warn about non-literal formats with no format
1840 arguments if either -Wformat-nonliteral or -Wformat-security is
1842 (set_Wformat): Set warn_format_security for settings other than 1.
1843 * c-common.h (warn_format_security): Declare.
1844 * c-decl.c (c_decode_option): Decode -Wformat-security and
1845 -Wno-format-security.
1846 * invoke.texi: Document -Wformat-security.
1847 * toplev.c (documented_lang_options): Include -Wformat-security
1848 and -Wno-format-security.
1850 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1852 * c-common.c (check_format_info): Warn for non-constant format
1853 strings with strftime formats if -Wformat-nonliteral. Where the
1854 format can convert arguments, if the format is not a string
1855 literal and there are no arguments to the format, give a different
1856 warning message from the general non-string-literal case.
1858 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1860 * c-common.c (format_wanted_type): Add reading_from_flag.
1861 (print_char_table): Mark %s and %S formats with flag "R".
1862 (check_format_info_main): Set up reading_from_flag appropriately.
1863 If aflag, always set writing_in_flag rather than relying on the
1864 format used being a scanf format and so having it set.
1865 (check_format_types): Check for formats reading through null
1868 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1870 * invoke.texi (-Wformat): Document what format features are
1873 2000-12-06 Kazu Hirata <kazu@hxi.com>
1875 * config/h8300/h8300.h: Fix formatting.
1877 2000-12-06 Joel Sherrill <joel@OARcorp.com>
1879 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
1880 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
1881 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
1882 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
1883 config/h8300/rtems.h, config/mips/rtems.h: New files.
1885 2000-12-06 Mark Kettenis <kettenis@gnu.org>
1887 * config.gcc: Reorganize handling of *-*-gnu*, to share target
1888 specific make details with Linux. Update comments to clarify
1889 the distinction between GNU/Linux and GNU/Hurd.
1891 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
1893 * contrib.texi: Fix my email address. Update Per's
1894 list of contributions.
1896 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
1898 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
1899 * collect2.c (scan_libraries): Remove unused `ch'.
1900 (COFF specific stuff): Prototype ldgetname. Declare and prototype
1901 ldbtread and ldclose.
1903 * config/alpha/osf.h: Standarize copyright statement.
1904 * config/arc/arc.h: Likewise.
1905 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
1906 * config/arm/arm.c config/arm/arm.h: Likewise.
1907 * config/elxsi/elxsi.h: Likewise.
1908 * config/i386/sco.h: Likewise.
1909 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
1910 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
1911 * config/m68k/sun3.h: Likewise.
1912 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
1913 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
1914 * config/romp/romp.h: Likewise.
1915 * config/rs6000/aix41.h: Likewise.
1916 * config/sparc/sysv4.h: Likewise.
1917 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
1918 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
1919 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
1920 * longlong.h: Likewise.
1921 * libgcc2.c: Likewise.
1923 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1925 * machmode.def: Use correct definition for BITSIZE on targets where
1928 2000-12-06 Bruce Korb <bkorb@gnu.org>
1930 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
1933 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1935 * pa.c: Include expr.h before c-tree.h.
1936 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
1937 instead of reverse_condition.
1938 (print_operand): Correct predicates for GT, GE, LT and LE. Add
1939 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
1941 (cmpib_comparison_operator): Add GEU and LTU codes.
1942 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
1943 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
1944 bordered): New float conditional branch patterns.
1946 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
1948 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
1950 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
1952 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
1953 backslash and newline, when inside a comment.
1955 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
1957 * invoke.texi: Use @table @samp instead of @itemize @minus for
1958 table of language standards. Fix use of @pxref. From Zack
1959 Weinberg. Also exclude specs documentation from generated
1960 manpage, and create separate ENVIRONMENT section.
1962 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
1964 * gcse.c (compute_pre_data): Kill trapping expressions in
1965 destination blocks of abnormal edges.
1967 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
1969 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
1970 (mn10300_get_live_callee_saved_regs): Likewise.
1971 (mn10300_gen_multiple_store): Likewise.
1972 (store_multiple_operation): Likewise.
1973 (expand_prologue): Use mn10300_gen_multiple_store().
1974 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
1975 (mn10300_get_live_callee_saved_regs): Likewise.
1976 (mn10300_gen_multiple_store): Likewise.
1977 (store_multiple_operation): Likewise.
1978 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
1979 tied to store_multiple_operation().
1981 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
1983 * builtins.c (expand_builtin_setjmp_setup): Set
1984 current_function_has_nonlocal_label.
1986 2000-12-05 Neil Booth <neilb@earthling.net>
1988 * cppfiles.c (stack_include_file): Push zero-length buffers
1989 in case of failure. Return void, as we don't fail any more.
1990 (read_include_file): Check for files we shouldn't re-read.
1991 Don't return an error code; errors are implied by marking the
1993 (_cpp_execute_include): Move the recursion and in-macro checks
1994 here. Update for stack_include_file not failing.
1995 * cpplib.c (cpp_push_buffer): Always succeed, since
1996 _cpp_execute_include performs the recursion check. Tidy up.
1997 * cpplib.h (cpp_push_buffer): Update prototype.
1999 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
2001 * sched-vis.c (visual_tbl_line_length): New variable.
2002 (get_visual_tbl_length): Set it.
2003 (visualize_stall_cycles): Don't let stalls overrun
2004 visual_tbl_line_length.
2006 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
2008 * global.c (global_conflicts): Allow for a REG_UNUSED note
2009 with a different mode to the REG set in the insn.
2011 2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2013 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
2015 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
2017 2000-12-05 Bruce Korb <bkorb@gnu.org>
2019 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
2022 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
2024 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
2025 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
2026 to cope with aliased copies.
2027 * fixinc/fixincl.x: Regenerate.
2029 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
2031 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
2032 * sched-rgn.c: Likewise.
2033 (rgn_print_insn): Fix output.
2035 2000-12-05 Bruce Korb <bkorb@gnu.org>
2037 * fixinc/Makefile.*: make these more consistent
2038 * fixinc/mkfixincl.sh: enable BeOS fixincludes
2040 2000-12-05 Richard Henderson <rth@redhat.com>
2042 * stmt.c (warn_if_unused_value): Move side effects test earlier.
2044 2000-12-05 Alan Modra <alan@linuxcare.com.au>
2046 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
2049 2000-12-05 Richard Henderson <rth@redhat.com>
2051 * flow.c (calculate_global_regs_live): Only force stack pointer
2052 live before reload. Force pic register live before reload.
2053 (insn_dead_p): Don't protect pic references from deletion.
2055 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
2057 * invoke.texi: Add support for using texi2pod.pl. Don't use
2060 2000-12-04 Nick Clifton <nickc@redhat.com>
2062 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
2063 'tune_flags' for XScale nature.
2064 Remove spurious test of HARD_FLOAT and XScale flags.
2066 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
2067 contraint, accidentally changed during XScale contribution.
2069 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
2070 not create these functions if the target architecture does not
2071 support Thumb instructions.
2073 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
2075 * ONEWS: New file with the current contents of NEWS up to EGCS
2077 * NEWS: Generate automatically from online release notes from EGCS
2078 1.0 to GCC 2.95.2, using ../contrib/gennews.
2080 2000-12-04 Neil Booth <neilb@earthling.net>
2082 * tradcif.y: Move lexptr to top of file. Add rule to handle
2083 assertions in conditional expressions.
2084 * tradcpp.c (parse_answer): Assertions do not need to go to
2085 end of line in conditional directives.
2086 (parse_assertion): Get first character of identifiers correct.
2087 (test_assertion): New function.
2088 * tradcpp.h (test_assertion): New prototype.
2090 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
2092 * config.gcc: Fix typo for UnixWare 7.
2094 2000-12-03 Phil Edwards <pme@sources.redhat.com>
2096 * invoke.texi: Replace `pedwarns' with clearer text.
2098 2000-12-04 Bruce Korb <bkorb@gnu.org>
2100 * fixinc/Makefile.*(clean): don't clean autogenerated files.
2101 (mainainer-clean): clean autogenerated files
2103 2000-12-04 DJ Delorie <dj@redhat.com>
2105 * md.texi: Add overview, clarify match_dup and define_expand.
2107 2000-12-04 DJ Delorie <dj@redhat.com>
2109 * print-tree.c (print_node): Target-specific builtins print
2112 2000-12-04 Jason Merrill <jason@redhat.com>
2114 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
2117 * diagnostic.c (report_problematic_module): s/function/module/.
2119 * c-lex.h: Remove decl for check_newline.
2121 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2123 * README.APOLLO: Remove obsolete file.
2125 2000-12-04 Neil Booth <neilb@earthling.net>
2127 * cppinternals.texi: New file.
2129 2000-12-04 Neil Booth <neilb@earthling.net>
2131 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
2132 and operate on current buffer.
2133 (cpp_read_file): Rename _cpp_read_file.
2134 * cpplib.c (do_line, do_pragma_system_header): Update calls to
2135 cpp_make_system_header.
2136 * fix-header.c: Similarly.
2137 * cpphash.h (_cpp_read_file): Move from...
2138 * cpplib.h: ... here.
2139 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
2141 2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2143 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
2144 Handle another transformation.
2146 2000-12-03 Nick Clifton <nickc@redhat.com>
2148 * config.gcc: Add support for StrongARM targets.
2149 * config/arm/t-strongarm-elf: New file.
2150 * config/arm/t-strongarm-coff: New file.
2151 * config/arm/t-strongarm-pe: New file.
2152 * config/arm/strongarm-pe.h: New file.
2154 2000-12-03 Nick Clifton <nickc@redhat.com>
2156 * NEWS: Mention XScale has been added.
2157 * config.gcc: Add support for XScale targets.
2158 * config/arm/arm.h: Add support for XScale processor.
2159 * config/arm/arm.c: Add support for XScale processor.
2160 * config/arm/arm.md: Add support for XScale processor.
2161 * config/arm/t-xscale-elf: New file.
2162 * config/arm/t-xscale-coff: New file.
2163 * config/arm/xscale-elf.h: New file.
2164 * config/arm/xscale-coff.h: New file.
2166 2000-12-03 Richard Henderson <rth@redhat.com>
2168 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
2169 unless exception handling is enabled, and if not using sjlj.
2171 * builtins.c (expand_builtin_setjmp_setup): New.
2172 (expand_builtin_setjmp_receiver): New.
2173 (expand_builtin_setjmp): Split out _setup and _receiver functions.
2174 Move argument parsing in from ...
2175 (expand_builtin): ... here.
2176 * except.c (receive_exception_label): Branch around receiver
2177 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
2178 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
2179 * expr.h: Update builtin setjmp decls.
2181 2000-12-03 Bruce Korb <bkorb@gcc.org>
2183 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
2184 build machine name. Default to the target.
2186 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2188 * Makefile.in: use $(build_canonical), not $(canonical_build).
2190 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2192 * Makefile.in (OBJS): Add sched-rgn.o.
2193 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
2195 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2196 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2197 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2198 MAX_BLOCKAGE_COST): Move to sched-int.h.
2199 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
2200 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
2201 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
2202 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
2203 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
2204 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
2205 debug_regions, find_single_block_region, find_rgns, too_large,
2206 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
2207 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
2208 extract_bitlst, bblst, struct candidate, candidate_table,
2209 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
2210 SRC_PROB, target_bb, split_edges, compute_trg_info,
2211 debug_candidate, debug_candidates, bbset, bbset_size, dom,
2212 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
2213 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
2214 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
2215 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
2216 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
2217 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
2218 update_live, set_spec_fed, is_pfree, find_conditional_protection,
2219 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
2220 is_prisky, is_exception_free, add_branch_dependences,
2221 propagate_deps, compute_block_backward_dependences,
2222 debug_dependencies, is_cfg_nonregular, build_control_flow,
2223 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
2224 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
2225 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
2226 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
2227 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
2228 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
2229 rgn_rank, region_sched_info): Move to sched-rgn.c.
2230 (debug_reg_vector): Delete useless function.
2231 (get_bb_head_tail): Likewise.
2232 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
2233 no_real_insns_p, rm_line_notes, save_line_notes,
2234 restore_line_notes, rm_redundant_line_notes, sched_init): No
2236 (rm_line_notes, save_line_notes, restore_line_notes,
2237 schedule_block, set_priorities): Change argument to be a real
2238 basic block, not one of haifa's "bb"s. All callers changed
2239 (rm_other_notes): Initialize note_list here, not in
2241 (sched_finish): New function, called from schedule_insn. * *
2242 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2243 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2244 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2245 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
2246 (get_block_head_tail, no_real_insns_p, rm_line_notes,
2247 save_line_notes, restore_line_notes, rm_redundant_line_notes,
2248 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
2249 sched_init, sched_finish, ready_add, insn_cost): Declare.
2251 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2252 Bruce Korb <bkorb@gnu.org>
2254 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
2255 * fixinc/mkfixinc.sh: accept build system name as an argument.
2256 Use it for choosing the fix build method. Use the target for
2257 selecting special fix rules.
2259 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2261 * Makefile.in (OBJS): Add sched-deps.o.
2262 (sched-deps.o): New rule.
2263 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
2265 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
2267 (SIZE_FOR_MODE): Delete unused macro.
2268 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
2269 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
2270 anti_dependency_cache, output_dependency_cache,
2271 forward_dependency_cache): Variables moved to sched-deps.c.
2272 (add_dependence, remove_dependence, find_insn_list,
2273 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
2274 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
2275 sched_analyze, group_leader, compute_forward_dependences,
2276 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
2277 Functions moved to sched-deps.c.
2278 (schedule_region): Call init_deps_global and finish_deps_global
2279 instead of directly manipulating dependency data structures.
2280 * sched-deps.c: New file.
2281 (init_deps_global, finish_deps_global): New functions.
2282 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
2285 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
2288 * Makefile.in (OBJS): Add sched-vis.o.
2289 (sched-vis.o): New rule.
2290 * haifa-sched.c (get_unit_last_insn): New function.
2291 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
2293 (schedule_block): Call visualize_alloc and visualize_free. Delete
2294 spurious return statement.
2295 (init_target_units, insn_print_units, get_visual_tbl_length,
2296 init_block_visualization, print_block_visualization, safe_concat,
2297 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
2298 print_exp, print_value, print_pattern, print_insn, target_units,
2299 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
2300 n_vis_no_unit, vis_no_unit): Move scheduling visualization
2301 functions/variables...
2302 * sched-vis.c: ...here. New file.
2303 (visualize_alloc, visualize_free): New functions.
2304 (visualize_scheduled_insns, visualize_stall_cycles,
2305 print_block_visualization): Lose basic block argument. All callers
2307 (visualize_scheduled_insns): Use new function get_unit_last_insn.
2308 * sched-int.h (current_sched_info, sched_dump): Declare.
2309 (init_target_units, insn_print_units, init_block_visualization,
2310 print_block_visualization, visualize_scheduled_inns,
2311 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
2312 visualize_free): Declare functions.
2314 * sched-int.h: New file.
2315 * Makefile.in (haifa-sched.o): Depend on it.
2316 * haifa-sched.c: Include it.
2317 (no_real_insns_p): New function.
2318 (current_sched_info): New static variable.
2319 (__inline, HAIFA_INLINE): Moved to sched-int.h.
2320 (get_block_head_tail): Minor cleanup.
2321 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
2322 rgn_print_insn, rgn_rank): New functions, broken out of
2323 rank_for_schedule, schedule_insn and schedule_block, where they
2324 are now called through function pointers in current_sched_info.
2325 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
2326 print_insn): To display uid and block number, call the print_insn
2327 function pointer in current_schedule_info.
2328 (region_sched_info): New static variable.
2329 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
2330 variables, moved out of schedule_block.
2331 (schedule_block): Return void. All callers changed.
2332 Move some of the setup code into schedule_region. Get head/tail
2333 from current_sched_info, and update it when done.
2334 (schedule_region): Slightly rearranged, some code moved here from
2335 schedule_block. Call no_real_insns_p to avoid doing work for a
2336 block that consists only of notes and labels.
2337 (schedule_insns): Initialize current_sched_info.
2339 2000-12-03 Neil Booth <neilb@earthling.net>
2341 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
2342 by contexts drops AFTER argument pre-expansion, so that they
2343 remain enabled during argument pre-expansion.
2344 (_cpp_pop_context): Unconditionally re-enable a macro when
2345 dropping a context level.
2347 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
2349 * arm/t-linux (MULTILIB_OPTIONS): Comment.
2350 (MULTILIB_DIRNAMES): Likewise.
2351 (EXTRA_MULTILIB_PARTS): Likewise.
2353 (INSTALL_LIBGCC): Likewise.
2355 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2357 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
2358 expand_builtin_strspn, expand_builtin_strcspn): New functions.
2359 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2360 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
2362 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2363 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
2365 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2366 strcat, strncat, strspn and strcspn.
2367 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
2369 * extend.texi (strcat, strcspn, strncat, strspn): Document new
2372 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2374 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
2375 expanding strcmp at compile-time. Add another transformation.
2376 (expand_builtin_strncmp): Add more transformations. Call
2377 expand_builtin_memcmp, not expand_builtin_strcmp, under
2378 appropriate conditions if HAVE_cmpstrsi.
2380 2000-12-02 David Edelsohn <edelsohn@gnu.org>
2382 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
2384 (cr logic): Really make operands sequential.
2386 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
2388 * c-common.c (combine_strings): When the ISO C standard specifies
2389 the maximum length of a string, it doesn't include the trailing
2392 * cpplib.c (do_ifdef): Add check_eol() call.
2393 (do_ifndef): Likewise.
2395 2000-12-02 Daniel Berlin <dberlin@redhat.com>
2396 Bruce Korb <bkorb@gnu.org>
2398 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
2399 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
2400 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
2401 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
2402 use the "__need_" hackery. It breaks them.
2403 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
2404 Sometimes on DOS and BeOS the temp output file cannot be opened.
2405 Skip the file noisily. Ought to be fixed instead.
2407 2000-12-02 Bruce Korb <bkorb@gnu.org>
2409 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * fixfixes.c (emit_gnu_type, format_write): Prototype.
2412 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
2413 custom uppercase ctype macros.
2414 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
2415 Use gcc's custom uppercase ctype macros.
2417 (machine_matches): Add static prototype and constify variable.
2418 (create_file, test_test, egrep_test): Add static prototype.
2419 (quoted_file_exists): Likewise, and constify parameters.
2420 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
2421 write_replacement, test_for_changes): Add static prototype.
2422 (write_replacement, test_for_changes): Delete excess argument to
2424 * fixtests.c (test): Make static.
2425 * server.c (load_data, sig_handler, server_setup, find_shell): Add
2427 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
2429 2000-12-02 Bruce Korb <bkorb@gnu.org>
2431 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
2432 (per Laurynas Biveinis <lauras@softhome.net>)
2434 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
2436 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
2438 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
2439 (REGNO_OK_FOR_FOR_BASE_P): Delete.
2440 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
2441 both strict and non-strict uses.
2442 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
2443 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
2444 (REG_OK_FOR_INDEX_P): Define in terms of above.
2445 (REG_OK_FOR_BASE_P): Delete.
2446 (REG_OK_FOR_PRE_POST_P): Delete.
2447 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
2448 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
2449 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
2450 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
2451 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
2452 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
2453 in pre/post increment cases.
2454 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
2455 (ARM_LEGITIMIZE_ADDRESS): Similarly.
2456 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
2457 * arm.c (legitimate_pic_address): Similarly.
2459 2000-12-02 Neil Booth <neilb@earthling.net>
2461 * tradcpp.c (struct answer, parse_assertion, parse_answer,
2462 canonicalize_text, find_answer): New.
2463 (do_assert, do_unassert): Provide appropriate function bodies.
2464 (union hashval): New member answers.
2466 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
2468 * config/avr/avr.md: Document UNSPEC usage.
2469 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
2470 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
2471 MEM for program memory word reference. Do not add the label to
2472 the table index in each of the asm output templates, instead ...
2473 (casesi): ... do it in RTL. Adjust to match the above change.
2475 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2477 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
2478 * c-decl.c: ... not here.
2480 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
2481 (old_max_uid): New variable.
2482 (compute_forward_dependences): Renamed from
2483 compute_block_forward_dependences; changed to accept block head and
2484 tail instead of block number. Caller changed.
2485 (free_deps, init_dependency_caches, free_dependency_caches,
2486 init_regions, sched_init): New functions, split out from
2487 schedule_insns and compute_block_backward_dependences.
2489 2000-12-02 Neil Booth <neilb@earthling.net>
2491 * cppexp.c (parse_number): Update diagnostic test.
2493 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2495 * reload1.c (free_for_value_p): New function, frontend to
2496 reload_reg_free_for_value_p. All callers of the latter now call
2497 this function with an additional mode argument.
2499 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2501 * install.texi (Configurations): Remove obsolete documentation for
2504 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2506 * install.texi (Installation): Remove obsolete description for
2507 libstdc++ which is now an integral part of GCC.
2509 2000-12-01 Jim Blandy <jimb@redhat.com>
2511 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
2512 invisible reference in registers, but then spilled to the stack.
2513 Remove code to emit a second stab for such parameters; it attempts
2514 to describe the value's location by introducing a synthetic C++
2515 `reference' type, and then saying the stack slot has that
2516 reference type. This loses type information (breaking GDB's
2517 `ptype' command, among other things) just to describe a location
2518 which stabs can represent correctly in other ways.
2520 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2522 * final.c (output_addr_const) <PLUS>: Don't assume at least one
2523 operand is a CONST_INT.
2525 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
2526 (machine_dependent_reorg): Split all insns.
2527 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
2528 reg_class_contents[SIBCALL_REGS].
2529 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
2530 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
2531 call_value_pcrel, call, call_value, sibcall): Match even when
2533 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
2535 (sibcalli): Likewise.
2537 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2539 * c-common.c (warn_format, warn_format_y2k,
2540 warn_format_extra_args, warn_format_nonliteral): Define.
2541 (check_format_info): Check warn_format_nonliteral and
2542 warn_format_extra_args.
2543 (check_format_info_main): Check warn_format_y2k.
2544 (set_Wformat): New function.
2545 * c-common.h (warn_format_y2k, warn_format_extra_args,
2546 warn_format_nonliteral, set_Wformat): Declare.
2547 * c-decl.c (warn_format): Remove definition.
2548 (c_decode_option): Handle -Wformat-nonliteral,
2549 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
2551 * invoke.texi: Document these new options and -Wformat=2.
2552 * toplev.c (documented_lang_options): Add these new options.
2554 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2556 * builtins.def (BUILT_IN_IMAXABS): Add.
2557 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
2558 * c-common.c (c_common_nodes_and_builtins): Create builtin
2559 functions __builtin_imaxabs, and plain imaxabs unless
2560 flag_no_nonansi_builtin outside C99 mode.
2561 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
2562 * extend.texi: Document builtin imaxabs.
2564 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2566 * c-common.c: Include "defaults.h".
2567 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
2568 (c_common_nodes_and_builtins): Create string_type_node,
2569 const_string_type_node, wint_type_node, intmax_type_node,
2570 uintmax_type_node, default_function_type, ptrdiff_type_node and
2571 unsigned_ptrdiff_type_node.
2572 * c-common.h (identifier_global_value): Declare.
2573 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
2574 (init_decl_processing): Don't create string_type_node,
2575 const_string_type_node, wint_type_node, intmax_type_node,
2576 uintmax_type_node, default_function_type, ptrdiff_type_node and
2577 unsigned_ptrdiff_type_node.
2578 (identifier_global_value): New function.
2580 2000-12-01 Neil Booth <neilb@earthling.net>
2582 * cppinit.c (initialize): Forgotten prototype.
2583 * cpplex.c (_cpp_lex_token): Loop until not skipping.
2584 Always clear PREV_WHITE upon meeting a new line.
2585 * cpplib.c (end_directive): Set pfile->skipping after
2587 * cpplib.h (cpp_reader): Remove macro_pos.
2588 * cppmacro.c (cpp_get_line): Don't do anything special inside
2590 (parse_arg): Add PREV_WHITE if a token appears after new lines.
2591 (funlike_invocation_p): Save and restore the output position
2592 over a successful check for a '('.
2593 (enter_macro_context): Delete uses of macro_pos.
2594 (cpp_get_token): Don't use pfile->skipping.
2596 2000-12-01 Phil Edwards <pme@sources.redhat.com>
2598 * diagnostic.c: Fix typos in comments.
2599 * diagnostic.h: Likewise.
2601 2000-11-30 Phil Edwards <pme@sources.redhat.com>
2603 * rtl.texi (Machine Modes): Document BImode and OImode.
2605 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
2610 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2612 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
2613 incomplete element type.
2614 (grokparms): Before checking for incomplete parameter type, check
2615 the type isn't error_mark_node.
2617 2000-12-01 Jakub Jelinek <jakub@redhat.com>
2619 * builtins.c (target_char_cast): New function.
2620 (expand_builtin_strchr): Use it.
2621 (expand_builtin_strrchr): Use it.
2622 (builtin_memset_read_str): New function.
2623 (expand_builtin_memset): Use target_char_cast.
2624 Try to optimize memset with second argument non-zero using
2627 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
2629 * install.texi (avr): Replace incomplete list of supported MCU
2630 types with a link to the current one ...
2631 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
2632 all supported MCU types. Document -minit-stack= default.
2633 Document new options -mno-tablejump, -mtiny-stack.
2634 * md.texi (AVR family): Fix typo in 'w' constraint letter
2635 description. Document 'q'. Update 'O'.
2637 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
2639 * combine.c (cant_combine_insn_p): Only disallow insns involving
2640 hard regs if they are reg-reg moves.
2641 (try_combine, can_combine_p, combinable_i3pat): Delete old
2642 SMALL_REGISTER_CLASSES tests.
2644 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2646 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
2647 whether X is a CONST_INT.
2648 (addsubcosts): Likewise.
2650 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
2652 (ARG_POINTER_REGNUM): Set to AP_REG.
2654 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2656 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
2657 splits): Only match on TARGET_SH4.
2659 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
2660 of subsequent insns.
2662 2000-11-30 Richard Henderson <rth@redhat.com>
2664 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
2665 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2667 2000-11-30 Richard Henderson <rth@redhat.com>
2669 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
2670 (DO_SELECT_SECTION): New.
2671 (SELECT_SECTION): Use it.
2672 (UNIQUE_SECTION_P): New.
2673 (UNIQUE_SECTION): New.
2675 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2677 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
2678 from va_list before using it.
2680 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
2682 * flow.c (make_edge): Early out, if no flags to set.
2683 (calculate_global_regs_live): Clear out garbage only when necessary.
2685 * simplify-rtx.c (varray_type used_regs): New.
2686 (clear_table): Use it to only clear necessary items.
2687 (cselib_lookup, cselib_record_set): Remember newly set items.
2688 (cselib_update_varray_sizes, cselib_init): Initialize and grow
2691 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
2692 Move clearing of dead regs out of insn-loop.
2694 2000-11-30 Richard Henderson <rth@redhat.com>
2696 * calls.c (expand_call): Emit queued insns before creating
2697 the tail recursion sequence.
2699 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
2700 Bruce Korb <bkorb@gnu.org>
2702 * fixinc/inclhack.def(): prevent dual double definition protection
2703 * fixinc/fixincl.x: regenerate
2705 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
2707 * fixinc/Makefile.in (fixincl.x): Explicitly state the
2708 location of the generated file.
2710 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2712 * README.FRESCO: Remove obsolete file.
2714 2000-11-30 Mark Kettenis <kettenis@gnu.org>
2716 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
2717 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
2718 config/t-linux for the Hurd.
2720 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2722 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
2723 config/mn10200/udivmodsi4.c: Moved from here.
2724 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
2725 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
2726 C division functions.
2727 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
2729 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
2731 * pa.md (conditional moves): Avoid holes in operand list.
2732 (mod, umod patterns): Similarly.
2733 (variable extract/shift patterns): Similarly.
2735 2000-11-30 Neil Booth <neilb@earthling.net>
2737 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
2738 maybe_objc_check_decl, build_objc_string_object,
2739 objc_declare_alias, objc_declare_class, build_message_expr,
2740 build_protocol_expr, build_selector_expr, build_encode_expr,
2741 get_class_ivars, start_class, start_protocol): Remove
2742 redundant code, assuming doing_objc_thang is true.
2744 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2746 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
2747 (record_unscaled_index_insn_codes): Likewise.
2748 (unscaled_index_insn_codes): Delete.
2749 (max_unscaled_index_insn_codes_uid): Delete.
2750 (output_function_prologue, output_function_epilogue, pa_reorg):
2751 Don't use the unscaled index insn hack.
2753 * pa.md: Remove hack from all index insns to reverse the operand
2754 order of frame and stack pointer references incorrectly created
2757 * function.h (emit_status): Delete member regno_pointer_flag and
2758 rename regno_pointer_flag_length to regno_pointer_align_length.
2759 Delete define for REGNO_POINTER_FLAG.
2760 * integrate.h (inline_remap): Delete member regno_pointer_flag.
2761 Add member x_regno_reg_rtx.
2762 * rtl.h (rtx_def): Use frame_related bit to indicate register is
2763 a pointer in REG expressions. Define REG_POINTER macro.
2764 * alias.c (find_base_value, find_base_term): Use REG_POINTER
2765 instead of REGNO_POINTER_FLAG.
2766 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
2767 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
2768 of regno_pointer_flag_length. Remove code which refers to
2770 (mark_reg_pointer): Use REG_POINTER.
2771 (free_emit_status): Remove code which refers to regno_pointer_flag.
2772 (init_emit, mark_emit_status): Likewise.
2773 * flow.c (dump_flow_info): Likewise.
2774 * function.c (preserve_temp_slots): Likewise.
2775 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
2776 Use x_regno_reg_rtx instead of regno_pointer_flag for function
2777 pointer determination in map.
2778 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
2779 * predict.c (estimate_probability): Likewise.
2780 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
2781 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
2782 regno_pointer_flag for function pointer determination in map.
2783 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
2785 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
2787 (restore_unscaled_index_insn_codes): Revise comment.
2789 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
2791 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
2793 * extend.texi: Update documentation for attributes.
2795 2000-11-29 David O'Brien <obrien@FreeBSD.org>
2797 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
2798 (ASM_DECLARE_OBJECT_NAME): Same.
2799 (ASM_FILE_END): Same.
2800 (ASM_FINISH_DECLARE_OBJECT): Same.
2801 (ASM_IDENTIFY_GCC): Same.
2802 (ASM_IDENTIFY_LANGUAGE): Same.
2803 (ASM_OUTPUT_CONSTRUCTOR): Same.
2804 (ASM_OUTPUT_DEF): Same.
2805 (ASM_OUTPUT_DESTRUCTOR): Same.
2806 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
2807 (ASM_OUTPUT_SECTION_NAME): Same.
2808 (ASM_WEAKEN_LABEL): Same.
2809 (BSS_SECTION_ASM_OP): Same.
2810 (COMMON_ASM_OP): Same.
2811 (CONST_SECTION_ASM_OP): Same.
2812 (CONST_SECTION_FUNCTION): Same.
2813 (CTORS_SECTION_ASM_OP): Same.
2814 (DTORS_SECTION_ASM_OP): Same.
2816 (FINI_SECTION_ASM_OP): Same.
2817 (IDENT_ASM_OP): Same.
2818 (IDENT_ASM_OP): Same.
2819 (INIT_SECTION_ASM_OP): Same.
2821 (MAX_OFILE_ALIGNMENT): Same.
2822 (SBSS_SECTION_ASM_OP): Same.
2823 (SDATA_SECTION_ASM_OP): Same.
2824 (SECTION_FUNCTION_TEMPLATE): Same.
2825 (SELECT_SECTION): Same.
2826 (SE_CONST_SECTION): Same.
2827 (SIZE_ASM_OP): Same.
2828 (SKIP_ASM_OP): Same.
2829 (STRING_ASM_OP): Same.
2830 (STRING_LIMIT): Same.
2831 (TYPE_ASM_OP): Same.
2832 (TYPE_OPERAND_FMT): Same.
2834 2000-11-29 Neil Booth <neilb@earthling.net>
2836 * c-decl.c (c_decode_option): Don't handle -lang-objc.
2837 * objc/lang-options.h: Remove -lang-objc.
2838 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
2839 * objc/objc-act.c (lang_init_options): Set c_language.
2841 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2843 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
2846 2000-11-29 Neil Booth <neilb@earthling.net>
2848 * c-pragma.c (init_pragma): Update for parse_in type change.
2850 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
2852 * configure.in: recognize DOS-style absolute paths.
2854 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2856 * expr.h (store_by_pieces): Add prototype.
2857 (can_store_by_pieces): Likewise.
2858 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
2859 (can_store_by_pieces): New.
2860 (store_by_pieces): New.
2861 (clear_by_pieces): New.
2862 (clear_by_pieces_1): New.
2863 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
2864 arbitrary compiler generated constants into memory block.
2865 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
2866 * builtins.c (c_readstr): New.
2867 (builtin_memcpy_read_str): New.
2868 (expand_builtin_memcpy): If src is string constant and
2869 emit_block_move would move it by pieces, compute integer constants
2870 from the string and store it into memory block instead.
2871 (builtin_strncpy_read_str): New.
2872 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
2873 not return INTEGER_CST, don't optimize.
2874 If N is larger than strlen(src) + 1, try to copy the string
2875 including padding with store_by_pieces.
2876 (expand_builtin_strcmp): If both arguments have side effects, don't
2878 (expand_builtin_fputs): If STR has side effects, don't optimize.
2880 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
2882 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
2883 Add use of link register.
2885 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
2887 * extend.texi: Update documentation for default format attributes.
2889 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
2891 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
2892 a list, to keep track of the sections.
2894 2000-11-28 Nick Clifton <nickc@redhat.com>
2896 * config/arm/arm.md (pic_load_addr): Split into
2897 pic_load_addr_arm and pic_load_addr_thumb.
2899 * config/arm/arm.c (legitimize_pic_address): Generate either
2900 ARM or Thumb versions of pic_load_addr.
2901 (arm_finalize_pic): Generate either ARM or Thumb versions of
2904 2000-11-28 Richard Henderson <rth@redhat.com>
2906 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
2907 after sibcall do_pending_stack_adjust.
2909 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
2911 * jump.c (delete_insn): Check that REG_LABEL note actually contains
2914 2000-11-28 Neil Booth <neilb@earthling.net>
2916 * c-common.h: Remove flag_digraphs.
2917 * c-decl.c: Remove flag_digraphs.
2918 (c_decode_option): Don't set it.
2919 * c-lex.c (init_c_lex): Don't do anything for digraphs.
2921 2000-11-28 Richard Henderson <rth@redhat.com>
2923 * c-parse.in (finish_parse): Update for parse_in type change.
2926 2000-11-28 Neil Booth <neilb@earthling.net>
2928 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
2929 indicating whether to scan all buffers on the stack or
2931 * cppinit.c (do_includes): Update.
2932 * cppmain.c (main): Update.
2933 * cpplib.h: Update prototype.
2935 2000-11-28 Richard Henderson <rth@redhat.com>
2937 * genoutput.c (validate_insn_operands): New.
2938 (gen_insn): Call it.
2940 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
2941 (divmoddi_internal): Likewise.
2942 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
2943 * config/i960/i960.md (branch patterns): Likewise.
2944 * config/ia64/ia64.md (tbit_and_0): Likewise.
2945 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
2946 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
2947 * config/mips/mips.md (divmodsi4_internal): Likewise.
2948 (divmoddi4_internal): Likewise.
2949 * config/rs6000/rs6000.md (call patterns): Likewise.
2950 * config/sh/sh.md (movsi_y): Likewise.
2951 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
2953 2000-11-28 Richard Henderson <rth@redhat.com>
2955 * config.gcc: Kill residual pyramid support.
2957 2000-11-28 Neil Booth <neilb@earthling.net>
2959 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
2960 * c-decl.c (c_decode_option): Update to match.
2961 * c-lex.c (init_c_lex, yyparse): Update to match.
2962 * c-lang.c (lang_init_options): Use cpp_create_reader.
2963 * cppinit.c (cpp_init): Rename initialize.
2964 (cpp_reader_init): Rename cpp_create_reader. Create the
2965 reader. Initialize cpplib if appropriate.
2966 * cpplib.h (cpp_create_reader) New prototype.
2967 (cpp_init, cpp_reader_init): Delete prototypes.
2968 * cppmain.c (general_init, setup_callbacks): New functions.
2970 * fix-header.c (scan_in): Change type to cpp_reader *.
2971 (read_scan_file): Update for new cpplib interface and scan_in type.
2973 * cp/decl.c (parse_in): Change to cpp_reader *.
2974 (lang_decode_option): Update.
2975 * cp/lex.c (lang_init_options): Use new cpplib interface.
2976 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
2977 * cp/spew.c (read_token): Update.
2978 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
2980 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2982 * loop.c (load_mems): Avoid using next_label to find end_label. If
2983 jumping outside of the loop (other than loop end), don't hoist MEMs
2986 2000-11-28 Jan Hubicka <jh@suse.cz>
2988 * calls.c (expand_call): Don't disable tail recursion based
2991 2000-11-28 Neil Booth <neilb@earthling.net>
2993 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
2994 (struct directive): Drop 4th argument from handlers.
2995 (do_define, do_line, do_include, do_undef, do_else, do_elif,
2996 do_endif): Similarly.
2997 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
2998 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
2999 (make_definition, make_undef): Take a const char*.
3000 (make_assertion): New function.
3001 (struct directive_table): Update.
3002 (main): Handle -A command line argument.
3003 (handle_directive): Drop fourth handler argument.
3005 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
3007 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
3008 is anything but REG or MEM, but look inside STRICT_LOW_PART.
3010 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3012 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
3013 (IS_ABSOLUTE_PATHNAME): New macro.
3014 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
3016 2000-11-28 Jakub Jelinek <jakub@redhat.com>
3018 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
3020 2000-11-27 Jim Wilson <wilson@redhat.com>
3022 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
3024 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
3026 * extend.texi (Nested Functions): Update URL of Usenix paper.
3028 2000-11-27 Mark Mitchell <mark@codesourcery.com>
3030 * function.c (free_after_compilation): Clear x_clobber_return_insn.
3032 2000-11-27 Neil Booth <neilb@earthling.net>
3034 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
3035 command line options.
3036 (cpp_handle_option): Similarly.
3037 * cpplib.h (struct cpp_options): Remove warn_paste.
3038 * cppmacro.c (paste_tokens): Apart from assembler, make
3039 unpasteable token warning mandatory.
3041 2000-11-27 Neil Booth <neilb@earthling.net>
3043 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
3044 (main): Allocate a pending directive set of these. Use it.
3045 Merge handling of -D and -U. Update handling of pending
3046 directives. Free the memory after use.
3048 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
3050 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
3051 (struct propagate_block_info): Add new member cond_local_set.
3052 (propagate_block): Accept new arg cond_local_set. All callers
3054 (init_propagate_block_info): Likewise.
3055 (calculate_global_regs_live): Allocate & free cond_local_set. Always
3056 rescan if there's overlap between cond_local_set and new_live_at_end.
3057 (mark_set_1): Set bits either in cond_local_set or local_set, as
3059 * basic-block.h (struct basic_block_def): New field cond_local_set.
3060 (propagate_block, init_propagate_block_info): Update prototypes.
3062 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
3064 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
3067 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
3069 * arm.c (select_dominance_cc_mode): Handle new way that combine
3070 canonicalizes conditional compares.
3071 (arm_select_cc_mode): Likewise.
3072 * arm.md: Garbage collect some dead code.
3073 (cmp_and, cmp_ior): New patterns.
3074 (splitter for conditional move with inverted false): Use cond_exec
3075 and handle unordered comparisons.
3077 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
3079 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
3080 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
3081 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
3082 ix86_force_to_memory and ix86_free_from_memory.
3084 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
3086 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
3087 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
3088 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
3089 one_cmpldi2): Merge with splitters to create define_insn_and_split
3090 patterns. Remove redundant splits.
3091 (peephole2 for add:SI of invalid immediate): New.
3092 (peephole2 for minus:SI of invalid immediate): New.
3093 (peephole2 for ior:SI of invalid immediate): New.
3094 (peephole for merge of move and compare): Convert ot peephole2.
3095 (addsf3, adddf3): Mark as commutative.
3097 * arm.md (thumb peephole for merging stack adjustments): Convert to
3100 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
3102 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
3104 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
3105 (reload_cse_simplify_operands): Do nothing about operands where both
3106 the operand and the match_operand fail to give us a mode.
3107 * simplify-rtx.c (wrap_constant): New function.
3108 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
3109 CONST describing the proper mode.
3110 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
3112 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
3113 htab_find_slot_with_hash.
3114 (cselib_lookup): Likewise.
3116 Based on a patch from Geoff Keating <geoffk@redhat.com>:
3117 * loop.c (basic_induction_var): If a REG is set from something
3118 that is not a biv, then the REG is not a biv. Even if it is
3119 earlier set from something that is a biv.
3121 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
3123 * configure.in (extra_objs): Enclose extra_headers in quotes.
3124 * configure: Rebuilt.
3126 2000-11-27 Neil Booth <neilb@earthling.net>
3128 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
3129 Combine into the new function cb_change_file.
3130 (init_c_lex): Update.
3131 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
3132 (cpp_syshdr_flags): Delete.
3133 * cpphash.h (_cpp_do_file_change): New prototype.
3134 Move struct cpp_buffer here from...
3135 * cpplib.h (struct cpp_buffer): ... here.
3136 (enum cpp_fc_reason, struct cpp_file_loc,
3137 struct_cpp_file_change, change_file): New.
3138 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
3139 * cpplib.c (do_line): Update for new cb_change_file callback.
3140 (_cpp_do_file_change): New function.
3141 (_cpp_pop_buffer): Update to use it.
3142 * cppmain.c (move_printer): Delete.
3143 (main): Set up single callback cb_change_file.
3144 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
3145 (cb_change_file): New.
3146 * fix-header.c (cur_file, cb_change_file): New.
3147 (recognized_function, read_scan_file): Update.
3148 * scan-decls.c (scan_decls): Update.
3149 * scan.h (recognized_function): Update prototype.
3151 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3153 * tree.h (mark_tree_hashtable): New function.
3154 * tree.c (mark_tree_hashtable_entry): New function.
3155 (mark_tree_hashtable): Likewise.
3157 2000-11-27 Michael Meissner <meissner@redhat.com>
3159 * d30v-protos.h (srelational_si_operator): Correctly spell
3161 (urelational_si_operator): Ditto.
3162 (relational_si_operator): Ditto.
3163 (d30v_expand_prologue): Add prototype.
3164 (d30v_expand_epilogue): Ditto.
3166 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
3168 * d30v.md (movcccc_*): Delete now unused patterns.
3169 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
3171 (define_cond_exec): Use 'b' to select branch flags.
3173 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3175 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
3177 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
3179 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
3181 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3182 strncpy and strncmp.
3184 * extend.texi (strncmp, strncpy): Document new builtins.
3186 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3188 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
3189 a list, to keep track of the sections.
3190 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
3191 parameter provided will always be a canonical string.
3193 2000-11-26 Neil Booth <neilb@earthling.net>
3195 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
3198 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
3200 * makefile.vms: Remove EGCS references.
3202 2000-11-26 Ulrich Drepper <drepper@redhat.com>
3204 * dwarf2out.c (output_file_names): New function. Compute minimal
3205 combination of directory and file name table and emit them.
3206 (output_line_info): Remove code to emit directory and file name
3207 table and call output_file_names instead.
3208 (file_info_cmp): Helper function to sort directory names.
3210 2000-11-26 Neil Booth <neilb@earthling.net>
3212 * cpplib.h (struct cpp_reader): Remove lang_asm.
3213 (struct cpp_options): Remove c89. New members lang,
3215 * cppexp.c (parse_number): Use them.
3216 * cpphash.h (VALID_SIGN): Use them.
3217 * cppinit.c (set_lang, cpp_start_read): Update.
3218 * cpplex.c (parse_string, _cpp_lex_token): Update.
3219 * cpplib.c (_cpp_handle_directive): Update.
3220 * cppmacro.c (parse_args): Update.
3221 * cppmain.c (scan_buffer): Update.
3223 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3225 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
3228 2000-11-26 Neil Booth <neilb@earthling.net>
3230 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
3231 * c-decl.c: Remove parse_in declaration.
3232 * c-lang.c: Similarly.
3233 * c-lex.c: Similarly.
3234 * c-parse.in: Similarly.
3235 * c-pragma.c: Similarly.
3236 * configure.in: Similarly.
3237 * cp/Make-lang.in: Similarly.
3238 * cp/spew.c: Similarly.
3239 * cp/decl2.c: Remove check for lang-c++ option.
3240 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
3241 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
3242 * c-lex.h: Add declaration of parse_in.
3243 * cppinit.c: Call set_lang after allocating pfile->pending.
3244 * configure: Regenerate.
3246 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
3248 * combine.c (try_combine): Remove redundant test.
3250 2000-11-25 Richard Henderson <rth@redhat.com>
3252 * c-common.h (DECL_C_HARD_REGISTER): New.
3253 * c-decl.c (finish_decl): Set it for asm register variables.
3254 * c-semantics.c (emit_local_var): Test it when instantiating one.
3256 2000-11-25 Richard Henderson <rth@redhat.com>
3258 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
3259 lineno for the start of the function.
3261 2000-11-25 Richard Henderson <rth@redhat.com>
3263 * dwarf2out.c (file_table, file_table_allocated): Remove.
3264 (file_table_allocated): Remove.
3265 (struct file_table): New.
3266 (decl_file_table, line_file_table): New.
3267 (print_dwarf_line_table): Use them.
3268 (size_of_line_prolog): Likewise.
3269 (output_line_info): Likewise.
3270 (add_src_coords_attributes): Likewise.
3271 (gen_subprogram_die): Likewise.
3272 (gen_variable_die): Likewise.
3273 (dwarf2out_add_library_unit_info): Likewise.
3274 (dwarf2out_line): Likewise.
3275 (lookup_filename): Take a struct file_table argument.
3276 (init_file_table): New.
3277 (dwarf2out_init): Use it.
3279 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
3281 * invoke.texi: Update sequence points references.
3283 2000-11-25 Neil Booth <neilb@earthling.net>
3285 * c-common.c: Remove USE_CPPLIB conditional inclusions.
3286 * c-common.h: Similarly.
3287 * c-decl.c: Similarly.
3288 * c-lang.c: Similarly.
3289 * c-lex.c: Similarly.
3290 * c-parse.in: Similarly.
3291 * c-pragma.c: Similarly.
3292 * c-pragma.h: Similarly.
3294 * toplev.c: Similarly.
3295 * cp/cp-tree.h: Similarly.
3296 * cp/decl2.c: Similarly.
3297 * cp/lang-specs.h: Similarly.
3298 * cp/lex.c: Similarly.
3299 * cp/lex.h: Similarly.
3300 * cp/spew.c: Similarly.
3301 * java/lang-options.h: Similarly.
3302 * objc/lang-specs.h: Similarly.
3303 * objc/objc-act.c: Similarly.
3305 * configure.in: Remove configure option.
3306 * config.in: Regenerate.
3307 * configure: Regenerate.
3309 2000-11-25 Richard Henderson <rth@redhat.com>
3311 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
3312 Revert 2000-11-22 change.
3314 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
3316 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
3319 2000-11-25 Philipp Thomas <pthomas@suse.de>
3320 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
3321 * configure: Rebuilt.
3323 2000-11-25 Jakub Jelinek <jakub@redhat.com>
3325 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
3326 Handle CONST_INT as second argument.
3327 * config/sparc/sparc.c (set_extends): Remove first argument.
3328 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
3330 (sparc_check_64): Abort if first argument is not REG.
3331 If it is DImode REG, look at the lower register of the register
3334 * config/sparc/sparc.c (load_pic_register, restore_regs,
3335 output_return, sparc_v8plus_shift, sparc_function_profiler,
3336 sparc_function_block_profiler, sparc_block_profiler): Fix output
3339 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
3341 * config/sh/sh.h (TARGET_NONE): New.
3342 (TARGET_SWITCHES): For all variant-selecting switch, use
3343 TARGET_NONE to reset all other variant-selecting switch. Added
3344 empty strings to avoid warnings.
3345 (TARGET_DEFAULT): Set to SH1_BIT.
3347 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
3350 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
3351 (sibcall_pcrel): New insn_and_split.
3352 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3354 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
3355 symPLT_label2reg, call, call_value): Don't set
3356 current_function_uses_pic_offset_table.
3357 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
3358 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
3359 takes it into account.
3360 (FINALIZE_PIC): Delete, useless.
3361 (LEGITIMATE_CONSTANT_P): Delete, unused.
3362 * config/sh/sh.c (sh_expand_prologue): Don't use
3363 current_function_uses_pic_offset_table. Don't special-case
3364 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
3366 (sh_expand_epilogue, initial_elimination_offset): Don't
3367 special case PIC_OFFSET_TABLE_REGNUM.
3369 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
3371 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
3372 * config/sh/sh.md (UNSPEC_CALLER): New constant.
3373 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
3374 (call_pcrel, call_value_pcrel): New insn_and_splits.
3375 (call, call_value): Use them.
3376 (call_site): New expand.
3377 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
3378 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
3379 Output call_site label.
3380 (PREDICATE_CODES): Added symbol_ref_operand.
3381 * config/sh/sh.c (symbol_ref_operand): Define.
3382 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
3383 to CALL_INSNs in the split sequence.
3385 2000-11-24 Nick Clifton <nickc@redhat.com>
3387 * config.gcc (v850-*-*): Define c_target_objs and
3390 * config/v850/t-v850: Define how to build v850-c.o
3392 * config/v850/v850.h (struct data_area_stack_element): Move
3393 definition here from v850.c.
3395 * config/v850v850.c: Include gcc.h to avoid compile time
3397 (push_data_area): Move to v850-c.c.
3398 (pop_data_area): Move to v850-c.c.
3399 (mark_current_function_as_interrupt): Move to v850-c.c.
3400 (GHS_default_section_names): Allow to be exported.
3401 (GHS_current_section_names): Allow to be exported.
3402 (data_area_stack_elements): Allow to be exported.
3403 (ghs_pragma_section): Move to v850-c.c.
3404 (ghs_pragma_interrupt): Move to v850-c.c.
3405 (ghs_pragma_starttda): Move to v850-c.c.
3406 (ghs_pragma_startsda): Move to v850-c.c.
3407 (ghs_pragma_startzda): Move to v850-c.c.
3408 (ghs_pragma_endtda): Move to v850-c.c.
3409 (ghs_pragma_endsda): Move to v850-c.c.
3410 (ghs_pragma_endzda): Move to v850-c.c.
3412 * config/v850/v850-c.c: New file: Contains v850 specific
3413 pragma parsing functions.
3415 2000-11-24 Nick Clifton <nickc@redhat.com>
3417 * config.gcc (extra_objs): Remove duplicate description.
3418 (c_target_objs): New variable. Contains target specific
3419 object files for the gcc C compiler only.
3420 (cxx_target_objs): New variable. Contains target specific
3421 object files for the gxx C++ compiler only.
3423 * configure.in (c_target_objs): Substitute in the makefile.
3424 (cxx_target_objs): Substitute in the makefile.
3425 * configure: Regenerate.
3427 * Makefile.in (C_TARGET_OBJS): Define and initialise from
3429 (CXX_TARGET_OBJS): Define and initialise from
3431 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
3433 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
3435 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
3436 about how the use of the 'c_lex' function requires the use of
3437 the target specific, language specific object files feature of
3438 the configuration mechanism.
3440 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3442 * gcc.c (process_command): Use F_OK, not R_OK.
3444 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
3446 * flow.c (print_rtl_and_abort): Remove ANSIism.
3448 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
3450 * config/sh/sh.h (GENERAL_REGISTER_P,
3451 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
3452 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
3454 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
3455 * config/sh/sh.c: Use new macros.
3456 * config/sh/sh.md: Likewise.
3458 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
3460 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
3461 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
3464 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
3466 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
3468 (machine_dependent_reorg): Wrong optimization based on
3469 NOTICE_UPDATE_CC removed.
3471 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
3473 * jump.c (delete_computation): Re-instate deletion of feeding insn.
3474 (delete_insn): Look for REG_LABEL notes.
3475 (redirect_tablejump): Delete feeding insns.
3477 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
3479 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
3480 call_value_pop_1): Make sure operand numbers are contiguous.
3482 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
3484 * reload1.c (conflicts_with_override): New function.
3485 (emit_input_reload_insns): Use it to tighten test for validity
3486 of substituting into output of previous insn.
3488 * haifa-sched.c (struct ready_list): New.
3489 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
3491 (schedule_insn): Replace args READY and N_READY with a pointer to a
3492 ready_list; return void. Use the new functions to access the ready
3493 list. All callers changed.
3494 (queue_to_ready, debug_ready_list): Likewise.
3495 (schedule_block): Initialize a ready_list structure. Use new
3496 functions to access it.
3497 (max_priority): Remove unused variable.
3498 (schedule_insn): Don't set it.
3500 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
3502 * combine.c (cant_combine_insn_p): New function.
3503 (try_combine): Use it.
3505 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
3506 * c-common.c (c-obstack.c): Include "obstack.h".
3507 (struct reverse_tree): Delete.
3508 (reverse_list, reverse_max_depth): Delete.
3509 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
3510 (struct tlist, struct tlist_cache): New.
3511 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
3512 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
3513 warn_for_collisions, warn_for_collisions_1, new_tlist): New
3515 (verify_sequence_points): Rewritten.
3516 * fold-const.c (fold): Don't lose possibly important sequence
3517 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
3519 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
3521 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
3522 when reversing a register-to-register copy. Reversal now disabled
3523 when the previous instruction has a REG_EQUIV.
3525 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
3527 * c-parse.in (unary_expr): Move VA_ARG from here ...
3528 (primary): ... to here.
3530 2000-11-23 Graham Stott <grahams@redhat.com>
3532 * expr.c (store_constructor): If a field is non addressable and
3533 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
3535 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
3537 * flow.c (print_rtl_and_abort): New function.
3538 (verify_wide_reg, verify_local_live_at_start): Try to dump more
3539 information before aborting.
3541 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
3543 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
3544 is narrower than requested mode.
3545 (gen_highpart): Abort if register mode is narrower than
3548 2000-11-23 Graham Stott <grahams@redhat.com>
3550 * cse.c (cse_insn): Initialise all regcost variables.
3551 Fix a typo add missing '='.
3552 Only compare costs if there is a replacement insn.
3554 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
3556 * final.c (output_addr_const) [LABEL_REF]: Simplify.
3557 [MINUS]: Enclose non-CONST_INTs in parentheses.
3558 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
3559 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
3560 * varasm.c (decode_rtx_const) [CONST]: If it's not something
3561 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
3562 instead of abort()ing.
3563 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
3564 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
3565 formerly handled in output_pic_addr_const.
3566 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
3567 operands of MINUS in CONSTs so that decode_rtx_const() will
3570 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
3572 * config/sh/sh.md (mova_const): New pattern.
3573 (GOTaddr2picreg): Use it.
3574 * config/sh/sh.c (broken_move): Match it.
3575 (mova_p): Don't match it.
3576 (machine_dependent_reorg): Adjust it.
3578 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
3580 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
3581 Moved most register-number #defines...
3582 * config/sh/sh.md (define_constants): ... here. Use macros to
3583 refer to registers and unspecs.
3584 * config/sh/sh.c: Likewise.
3586 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
3588 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
3589 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
3590 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3591 (splay-tree.o, hash.o): Likewise.
3593 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
3594 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3595 (hashtab.o): Likewise.
3596 (gcov.o): Depend on $(CONFIG_H).
3597 * configure.in: #include insn-codes.h in tm.h.
3599 2000-11-22 Nick Clifton <nickc@redhat.com>
3601 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
3602 const char * to avoid a compile time warning.
3604 * config/arm/arm.md (define_constants): Define symbolic names for
3605 the link register, last integer register and the fake CC register.
3606 Update patterns to use these symbolic names.
3608 2000-11-22 Neil Booth <neilb@earthling.net>
3610 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
3611 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
3613 2000-11-22 Richard Henderson <rth@redhat.com>
3615 * haifa-sched.c (sched_analyze_1): Don't special-case calls
3616 for clobbering registers.
3617 (sched_analyze_2): Likewise.
3618 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
3620 2000-11-22 Chris Demetriou <cgd@sibyte.com>
3621 Neil Booth <neilb@earthling.net>
3623 * gcc.c (validate_switches): Validate multiple switches named
3624 in '|' (or) expressions in specs.
3625 (handle_braces): If more than 1 alternative in a '|' spec
3626 matches, call do_spec1 just once.
3628 2000-11-22 Michael Meissner <meissner@redhat.com>
3630 * d30v.h (TARGET_SWITCHES): Add documentation strings.
3631 (TARGET_OPTIONS): Ditto.
3632 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
3635 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
3637 * pa.c (hppa_encode_label): Account for addition of encoding
3638 character when allocating persistent space for the new label
3641 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
3643 * Makefile.in, config.gcc, configure.in: Expunge remaining
3644 traces of facility for running MD files through C preprocessor.
3646 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
3648 * gcov.texi: Add magic comments for texi2pod.pl.
3649 * Makefile.in: Add rules to generate and install gcov.1.
3650 * gcov.1: New (generated) file.
3652 2000-11-21 Richard Henderson <rth@redhat.com>
3654 * regrename.c (scan_rtx_reg): Terminate the chain rather than
3655 abort on mark_read with NO_REGS.
3657 2000-11-21 Mike Stump <mrs@wrs.com>
3659 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
3660 compilation with older compilers, such as /bin/cc on SunOS.
3661 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
3663 2000-11-21 Richard Henderson <rth@redhat.com>
3665 * varasm.c (record_constant): Pad the constructed
3666 constant_descriptor appropriately.
3668 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
3670 * rtl.h (traverse_md_constants): Declare.
3671 (struct md_constant): Define.
3672 * Makefile.in (HOST_RTL): Add hashtab.o .
3673 (OBJS): Add hashtab.o .
3674 (hashtab.o): New rule.
3675 (rtl.o): Depends on HASHTAB_H.
3676 * rtl.c (hashtab.h): #include.
3677 (md_constants): New static variable.
3678 (def_hash, def_name_eq_p, read_constants): New static functions.
3679 (traverse_md_constants): New function.
3680 (read_name): Do constant expansion.
3681 (read_rtx): Recognize define_constants.
3682 * gencodes.c (print_md_constant): New function.
3683 (main): Emit #defines for all constant definitions encountered.
3684 * md.texi (Constant Definitions): New node.
3685 * gensupport.c (xcalloc): New function.
3687 2000-11-21 Richard Henderson <rth@redhat.com>
3689 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
3690 * config/alpha/alpha-protos.h: Declare it.
3691 * config/alpha/alpha.md (abstf_internal): Use it.
3692 (negtf_internal): Likewise.
3693 (andnotdi3): Unstar the name.
3694 (movtf_internal): Add o/G alternative.
3696 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
3698 * stringpool.c (stringpool_statistics): Also report number and
3699 percentage of entries which are identifiers.
3701 2000-11-21 Diego Novillo <dnovillo@redhat.com>
3703 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
3704 visited before visiting it.
3706 2000-11-21 Nick Clifton <nickc@redhat.com>
3708 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
3709 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
3711 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
3713 2000-11-21 Richard Henderson <rth@redhat.com>
3715 * c-common.c (c_unsafe_for_reeval): New function.
3716 (add_c_tree_codes): Register it.
3717 * c-common.h: Declare it.
3718 * tree.c (lang_unsafe_for_reeval): New hook.
3719 (unsafe_for_reeval): Call it.
3720 * tree.h: Declare it.
3722 2000-11-21 Richard Henderson <rth@redhat.com>
3724 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
3727 2000-11-21 Neil Booth <neilb@earthling.net>
3729 * do_includes: Revert to using cpp_read_file.
3731 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
3733 * loop.c (consec_sets_giv): If the reg we're examining is anything
3734 but UNKNOWN_INDUCT, do nothing.
3735 Reset the reg's type to UNKNOWN_INDUCT before returning.
3737 Mostly from Vladimir Makarov (vmakarov@redhat.com)
3738 * ia64.md (attr itanium_class): Define insn types as described in
3740 (all insn patterns): Use itanium_class, not type attributes.
3741 Occasionally split alternatives as necessary.
3742 (attr type): Compute from new attr itanium_class.
3744 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3746 * tradcpp.c (output_line_command): Mark system headers as such in
3749 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3751 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
3752 support in as as well.
3753 * configure: Regenerate.
3755 2000-11-20 Richard Henderson <rth@redhat.com>
3757 * c-lex.c (orig_filename): New variable.
3758 (init_c_lex): Set it. Move call to cpp_start_read ...
3759 (yyparse): ... here. New function.
3760 * c-parse.in (yyparse_1): Rename the parser entry point.
3761 * c-tree.h: Declare it.
3763 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3765 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
3766 integer constant, use type of op1 for comparison.
3768 2000-11-20 Stan Shebs <shebs@apple.com>
3770 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
3771 * config/rs6000/x-darwin: New file, Darwin host fragment.
3772 * config.gcc (powerpc-*-darwin*): New host.
3773 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
3774 overridden by a config file.
3776 2000-11-20 Neil Booth <neilb@earthling.net>
3778 * cppmacro.c (paste_tokens): Rename from paste_payloads.
3779 Change token type after pasting spellings.
3780 (paste_all_tokens): Use it.
3781 * gcc.dg/cpp/paste2.c: Update test.
3782 * objc/execute/paste.m: New test.
3784 2000-11-20 Richard Henderson <rth@redhat.com>
3786 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
3787 dwarf_subscr_data_formats bits.
3788 * dwarfout.c (simple_type_size_in_bits): Handle a type with
3789 no computed size as size zero.
3790 (field_byte_offset): Likewise.
3791 (subscript_data_attribute): Handle a range with no upper bound.
3793 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3795 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
3797 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3799 * c-typeck.c (build_conditional_expr): When merging type
3800 qualifiers for conditional expressions between a pointer and a
3801 pointer to a void type, merge the qualifiers on the target types
3802 rather than the pointer type. Remove obsolete conditioned out
3805 2000-11-20 Neil Booth <neilb@earthling.net>
3807 * c-lang.c (lang_init_options): Update call to
3809 * cppmain.c (main): Similarly.
3810 * fix-header.c (read_scan_file): Similarly.
3811 * cp/lex.c (lang_init_options): Similarly.
3812 * objc/objc-act.c (lang_init_options): Similarly.
3813 * cppexp.c (parse_number): Only warn for unextended C89.
3814 * cppinit.c (set_lang): New function.
3815 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
3816 (COMMAND_LINE_OPTIONS): New option std=c++98.
3817 (cpp_handle_option): Use set_lang.
3818 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
3819 * cppib.h (enum_c_lang): New enumeration. Update comments.
3821 2000-11-20 Will Cohen <wcohen@redhat.com>
3823 * calls.c (expand_call): Clear target only when target is in
3824 hard register and current_function_check_memory_usage is set.
3826 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
3828 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
3830 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
3832 2000-11-19 Richard Henderson <rth@redhat.com>
3834 * crtstuff.c (force_to_data): Use array size 1 not 0.
3836 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
3837 no computed size as size zero.
3838 (field_byte_offset): Likewise.
3840 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3842 * config.gcc: Fix another typo.
3844 2000-11-19 Richard Henderson <rth@redhat.com>
3846 * c-decl.c (grokdeclarator): Support flexible array members.
3847 Use open-ended ranges for these and zero-length arrays.
3848 * c-typeck.c (push_init_level): Validate the context of
3849 initialization of a zero-length array.
3850 * tree.c (int_fits_type_p): Be prepared for missing bounds.
3851 * varasm.c (array_size_for_constructor): New.
3852 (output_constructor): Use it for arrays of unspecified length.
3853 * extend.texi (Zero Length): Mention C99 flexible array members.
3854 Document initialization in a top-level struct as valid.
3856 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
3858 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
3860 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
3861 stdarg and varargs functions.
3863 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
3865 * gcc.c (process_command): Define 'j' variable when
3866 MODIFY_TARGET_NAME is defined.
3868 2000-11-19 Richard Henderson <rth@redhat.com>
3870 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
3872 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3874 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
3875 calculation and allocation.
3877 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3879 * builtins.c (c_getstr): Constify variable.
3880 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
3881 * conflict.c (const_conflict_graph_arc): New typedef.
3882 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
3883 * cppmacro.c (builtin_macro): Likewise.
3884 * dwarf2out.c (output_comp_unit): Constify variable.
3885 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
3886 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
3887 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
3889 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
3890 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
3891 * varasm.c (const_str_htab_hash, const_str_htab_eq,
3892 compare_constant_1, record_constant_1): Constify.
3894 2000-11-18 Richard Henderson <rth@redhat.com>
3896 * c-decl.c (grokdeclarator): Special case the creation of an
3897 index for a zero-length array.
3898 * tree.c (build_index_type): Revert Oct 20 change.
3900 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
3902 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
3903 * config/avr/avr.c (jump_tables_size): New variable.
3904 (function_prologue): Initialize it as 0.
3905 (function_epilogue): Add it to function_size.
3906 (avr_output_addr_vec_elt): New function. Count words in jump
3907 tables in jump_tables_size. Move code ...
3908 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
3909 Call avr_output_addr_vec_elt instead.
3910 * config/avr/avr.md (tablejump): Remove disabled define_expand.
3912 2000-11-18 Mark Mitchell <mark@codesourcery.com>
3914 * configure.in: Make --enable-new-gxx-abi the default.
3915 * configure: Likewise.
3917 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3919 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
3921 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
3922 Move extern function declarations to tradcpp.h.
3924 * tradcpp.c: Likewise.
3926 * tradcpp.h: New file.
3928 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
3930 * c-decl.c (check_for_loop_decls): New function.
3931 * c-parse.in (for_init_stmt): New.
3932 (select_or_iter_stmt): Use for_init_stmt.
3933 * c-tree.h (check_for_loop_decls): New declaration.
3935 2000-11-18 Neil Booth <neilb@earthling.net>
3937 * cppinit.c: Update comments.
3938 (cpp_reader_init): Make -imacro and -include use the standard
3939 #include "" search path.
3940 (do_includes): New function.
3942 2000-11-18 Ben Elliston <bje@redhat.com>
3944 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
3945 out of a branch delay slot.
3947 2000-11-17 Richard Henderson <rth@redhat.com>
3949 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3950 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
3951 (ASM_FILE_START): Only write out ecoff .file directive if
3952 emitting mdebug debugging.
3954 2000-11-17 Richard Henderson <rth@redhat.com>
3956 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
3957 whether as accepts .file/.loc and produces dwarf2 line info.
3958 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
3959 the assembler supports it.
3960 * config.in, configure: Regenerate.
3962 2000-11-17 Richard Henderson <rth@redhat.com>
3964 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
3966 2000-11-17 Jim Wilson <wilson@redhat.com>
3968 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
3969 Don't clear need_barrier is next_insn is a CALL_INSN, or has
3970 instruction type B or UNKNOWN.
3972 2000-11-17 Neil Booth <neilb@earthling.net>
3974 * cpperror.c (print_file_and_line): Don't display line number if 0.
3976 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
3978 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
3979 digit_vector and digit_string.
3980 * stringpool.c (digit_vector): New.
3981 (ggc_alloc_string): Use digit_string.
3983 * stmt.c (digit_strings): Delete.
3984 (init_stmt): Do not initialize digit_strings.
3985 (expand_asm_operands): Use ggc.h's digit_string macro.
3986 * toplev.c (mark_file_stack): Delete.
3987 (compile_file): Don't call init_tree_codes.
3988 (main): No need to make the file stack a GC root.
3989 * tree.c (init_tree_codes): Delete.
3990 * tree.h (init_tree_codes): Delete.
3992 * c-lex.c: Don't include ggc.h.
3993 (mark_splay_tree_node, mark_splay_tree): Delete.
3994 (init_c_lex): No need to ggc_strdup string constant. Don't add
3995 file_info_tree to GGC roots.
3996 (cb_enter_file, cb_rename_file): No need to ggc_strdup
3999 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
4001 * dbxout.c (dbxout_init),
4002 dwarf2out.c (dwarf2out_line),
4003 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
4004 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
4005 xcoffout.c (xcoffout_source_file),
4006 i386.c (load_pic_register):
4007 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
4009 * except.c (create_rethrow_ref),
4010 profile.c (init_edge_profiler),
4011 toplev.c (compile_file),
4012 varasm.c (named_section, assemble_static_space,
4013 assemble_trampoline_template, output_constant_def, force_const_mem),
4014 i386.c (load_pic_register),
4015 ia64.c (ia64_encode_section_info),
4016 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
4017 rs6000_emit_prologue, rs6000_emit_epilogue),
4018 rs6000.md (load_toc_aix_si, load_toc_aix_di):
4019 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
4021 * profile.c (output_func_start_profiler),
4023 i386.c (load_pic_register): No need to ggc_strdup string constant.
4025 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
4027 * Makefile.in (config.status): Depend on config.gcc.
4028 * configure.in <for machine in $build $host $target>: Move
4029 contents of loop into config.gcc, removing autoconf quoting.
4030 Fix changequote bug for alpha*-*-vxworks*.
4031 * configure: Regenerate.
4034 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
4036 * c-parse.in (if_prefix): Find the filename and line number at
4037 $-2 and $-1 respectively.
4038 * diagnostic.c (error_recursion): Add missing newline, use
4039 fputs, translate string.
4041 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
4043 * stringpool.c: New file.
4044 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
4045 (ggc_alloc_string): Now in stringpool.o.
4046 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
4047 * ggc.h: Delete prototype of ggc_add_string_root. #define
4048 ggc_add_string_root and ggc_mark_string to nothing. Prototype
4049 init_stringpool and stringpool_statistics.
4050 (ggc_alloc_string): Returns a const char *.
4051 * tree.c (hash_table, do_identifier_warnings): Delete.
4052 (init_obstacks): Don't initialize the identifier hash table.
4053 (get_identifier, maybe_get_identifier, start_identifier_warnings,
4054 set_identifier_size): Now in stringpool.c.
4055 * tree.h (struct tree_string): Constify pointer field.
4056 (approx_sqrt): Prototype.
4058 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
4060 * toplev.c (approx_sqrt): New function.
4061 (compile_file): Call stringpool_statistics if mem_report is on.
4062 (main): Call init_stringpool.
4064 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
4065 (process_directive), c-typeck.c (constructor_asmspec, struct
4066 initializer_stack, start_init), except.c (create_rethrow_ref),
4067 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
4068 (built_in_filename), varasm,c (in_named_name,
4069 assemble_static_space, struct constant_descriptor, struct
4070 deferred_string, struct pool_constant, force_const_mem),
4071 i386.c (pic_label_name, global_offset_table_name), rs6000.c
4072 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
4074 * c-common.c (combine_strings): Combine strings in scratch
4075 buffer, then pass to build_string.
4076 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
4077 output_func_start_profiler), stmt.c (init_stmt), alpha.c
4078 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
4079 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
4080 rs6000.c (rs6000_encode_section_info): Create string in
4081 scratch buffer, then pass to ggc_alloc_string.
4083 * stmt.c (expand_asm_operands): If we must adjust the
4084 constraint strings, do so by creating a new one, not by
4085 modifying the old one in place. Constify some char *s.
4086 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
4087 argument. Create string in scratch buffer, then pass to
4089 * config/pa/pa-protos.h: Update prototype.
4090 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
4091 hppa_encode_label takes only one argument.
4093 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4095 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
4098 * cpplib.c (glue_header_name): Likewise.
4100 * fixincl.c (run_compiles, start_fixer): Likewise.
4102 * fixlib.c (load_file_data): Likewise.
4104 * mkdeps.c (munge): Likewise.
4106 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
4108 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
4109 trailing ';'. Fix formatting.
4111 2000-11-16 Jim Wilson <wilson@redhat.com>
4113 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
4114 Shift masks left by one to avoid conflict.
4116 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
4119 2000-11-16 Nick Clifton <nickc@redhat.com>
4121 * config/arm/arm.c (output_arm_prologue): Note nested functions.
4122 (arm_expand_prologue): For nested functions preserve the
4123 static chain register during stack frame creation.
4125 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
4126 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
4127 with a stack frame there is a 4 byte gap between the arg
4128 pointer and the hard frame pointer (used to preserve the
4129 static chain register during stack frame creation).
4131 2000-11-16 DJ Delorie <dj@redhat.com>
4133 * rtl.c (read_rtx): Provide suitable names for unnamed
4134 define_insn and define_insn_and_split patterns, based on file
4137 2000-11-15 Neil Booth <neilb@earthling.net>
4139 * cpplib.c (start_directive, end_directive): New functions.
4140 (_cpp_handle_directive, run_directive): Use them.
4141 (_cpp_handle_directive): Don't -Wtraditional on indented
4143 (_cpp_push_buffer): Don't re-clear was_skipping.
4144 * cpplib.h (struct cpp_reader): New member la_saved.
4145 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
4148 gcc.dg/cpp/_Pragma1.c: Update.
4149 gcc.dg/cpp/_Pragma2.c: New test.
4151 2000-11-15 Mark Mitchell <mark@codesourcery.com>
4153 * toplev.c (wrapup_global_declarations): Don't write out
4154 artificial static variables that aren't needed.
4156 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
4158 * ia64.c (struct group): New structure.
4159 (last_group): New static array.
4160 (group_idx): New static variable.
4161 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
4162 New static functions.
4163 (emit_insn_group_barriers): Initialize and keep track of group_idx
4165 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
4166 Replace all calls to emit_insn_after that emit a group barrier to use
4167 emit_group_barrier_after.
4168 * ia64.h (MASK_B_STEP): New.
4169 (other MASK_XXX macros): Renumbered.
4170 (TARGET_B_STEP): New.
4171 (TARGET_SWITCHES): Add -mb-step.
4173 2000-11-15 Fred Fish <fnf@be.com>
4175 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
4176 machines for which fixincludes is not needed.
4177 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
4179 2000-11-15 Jason Merrill <jason@redhat.com>
4181 * diagnostic.c (finish_abort): New fn.
4182 (fancy_abort, error_recursion): Use it.
4183 * toplev.c (crash_signal): Likewise.
4184 * diagnostic.h: Declare it.
4186 2000-11-13 Andrew Haley <aph@redhat.com>
4188 * tree.c (build_type_no_quals): New function.
4189 * tree.h (build_type_no_quals): Declare.
4190 * c-common.c (c_get_alias_set): When considering type
4191 compatibility for pointer types, ignore cv-qualifiers anywhere in
4194 2000-11-15 Graham Stott <grahams@redhat.com>
4196 * regrename.c (scan_rtx_rtx): Skip to the next chain on
4197 encountering a terminated chain.
4199 2000-11-14 Mark Mitchell <mark@codesourcery.com>
4201 * configure.in: Move check for V3 above check for C++ header-file
4203 * configure: Regenerated.
4205 2000-11-14 DJ Delorie <dj@redhat.com>
4207 * config/v850/v850.c: Remove obstacks.
4209 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
4211 * config/avr/avr.c (avr_case_values_threshold): New.
4212 (avr_override_options): Set it depending on options, make it large
4213 when not optimizing to work around "unable to generate reloads".
4215 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
4216 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
4217 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
4218 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
4219 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
4220 (avr_case_values_threshold): Declare as extern int.
4221 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
4223 * config/avr/avr.md (tablejump): Removed.
4224 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
4225 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
4226 index in the table, not multiplied by 2.
4227 (casesi): Change to match the above insns. Always enable.
4229 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
4230 Change to expect the word address of the table, multiply it by 2
4231 here and not in the caller. Change "adiw" to faster "inc".
4233 2000-11-14 Neil Booth <neilb@earthling.net>
4235 * cppexp.c (parse_defined): Call cpp_get_token not
4238 * cpplex.c (cpp_output_line): Similarly.
4239 * cpplib.c (glue_header_name, do_line, do_ident,
4240 parse_answer, parse_assertion): Similarly.
4241 (_cpp_handle_diretive): Don't save to lookaheads
4242 when processing directives.
4243 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
4245 (funlike_invocation_p): Don't save to lookaheads
4246 when pre-expanding arguments.
4247 (_cpp_get_token): Delete.
4248 (cpp_get_token): Merge contents of _cpp_get_token.
4250 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4252 * builtins.c (expand_builtin_setjmp): Set
4253 current_function_calls_setjmp.
4254 (expand_builtin_longjmp): Set current_function_calls_longjmp.
4256 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
4257 (do_builtin_setjmp_setup): New insn.
4259 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4261 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
4262 (int_fits_type_p): For variable bounds, call force_fit_type.
4264 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4266 * varasm.c (struct deferred_string): New structure.
4267 (const_str_htab): New variable.
4268 (STRHASH): New macro.
4269 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
4270 constr_str_htab_eq, const_str_htab_del): New functions.
4271 (output_constant_def): Add DEFER argument, defer string
4272 constants until mark_constant_pool time if requested.
4273 (mark_constant_pool): Walk the insn chain even if const_str_htab is
4275 (mark_constants): If a SYMBOL_REF for deferred string is found,
4276 output it and remove from hash table.
4277 (output_addressed_constants): Set DEFER to 0 in call to
4278 output_constant_def.
4279 * rtl.h (STRING_POOL_ADDRESS_P): Define.
4280 (output_constant_def): Adjust prototype.
4281 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
4283 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
4285 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
4286 signed types if flag_trapv.
4288 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
4290 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
4293 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
4295 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
4297 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4299 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
4300 to array of pool_constnat pointers.
4301 (struct pool_constant): Add next_sym and label members.
4302 (struct pool_sym): Remove.
4303 (init_varasm_status): Change pool_sym into pool_constant.
4304 (mark_pool_constant): Mark pc->label string as well.
4305 (mark_pool_sym_hash_table): Remove.
4306 (mark_varasm_status): Remove it from caller as well.
4307 (free_varasm_status): Don't free pool_sym structures.
4308 (force_const_mem): Don't allocate pool_sym structure, instead
4309 fill pool->label and chain it into rtx_sym hash table.
4310 (find_pool_constant, mark_constant_pool): Use pool_constant instead
4313 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4315 * reload1.c (emit_input_reload_insns): Honour forcing of constants
4316 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
4318 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
4320 * dominance.c: New file.
4321 * Makefile.in (OBJS): Add dominance.o.
4323 * flow.c (compute_flow_dominators): Remove.
4324 (compute_immediate_dominators): Remove.
4325 (compute_immediate_postdominators): Remove.
4326 * basic-block.h: Remove their prototypes.
4327 (calculate_dominance_info): Add prototype.
4329 * dce.c (eliminate_dead_code): Change calls to above functions.
4330 Don't compute dominators but only immediate dominators.
4331 * flow.c (flow_loops_find): Change callers.
4332 * gcse.c (compute_code_hoist_data): Likewise.
4333 * haifa-sched.c (schedule_insns): Likewise.
4334 * ifcvt.c (if_convert): Likewise.
4335 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
4338 2000-11-14 Richard Henderson <rth@redhat.com>
4340 * stmt.c (warn_if_unused_value): Don't warn if the expression
4343 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
4344 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
4346 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4348 * loop.c (basic_induction_var): Revert accidental checkin.
4350 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
4352 * c-lex.c (cb_leave_file): Harmonize conditions and order of
4353 statements to those of process_directive for (action == act_pop).
4355 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
4357 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
4360 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4362 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
4365 2000-11-13 Neil Booth <neilb@earthling.net>
4367 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
4368 cases return without MI check.
4369 * cpplib.c (do_diagnostic): Take boolean of whether to
4370 print the directive name.
4371 (do_error, do_warning): Update.
4372 (do_pragma_dependency): Use it.
4373 * cpplib.h (VARARGS_FIRST): Delete.
4374 (struct cpp_token): Delete integer.
4375 * cppmacro.c (enter_macro_context): Move disabled check
4377 (_cpp_get_token): Simplify into a single loop.
4379 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4381 * configure.in: Use 'test -f' not '[ -e'.
4382 * configure: Regenerated.
4384 2000-11-13 DJ Delorie <dj@redhat.com>
4386 * config/mn10300/mn10300.md (store_movm): Note which registers are
4387 really used or clobbered.
4389 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4391 * c-parse.in (ends_in_label): Remove from %union and %type.
4392 (decls, stmts, lineno_stmt_or_labels, xstmts,
4393 lineno_stmt_or_label, stmt_or_label): Remove.
4394 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
4395 lineno_stmt_decl_or_labels_ending_decl,
4396 lineno_stmt_decl_or_labels_ending_label,
4397 lineno_stmt_decl_or_labels_ending_error,
4398 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
4399 lineno_stmt, lineno_label): New.
4400 (compstmt_nostart): Use compstmt_contents_nonempty.
4402 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4404 * c-common.c (boolean_increment): New function.
4405 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
4406 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
4407 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
4408 (boolean_increment): Declare.
4409 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
4410 * c-decl.c (init_decl_processing): Create boolean nodes.
4411 (finish_struct): Allow for _Bool bitfields.
4412 * c-parse.in (reswords): Add _Bool.
4413 (rid_to_yy): Allow for RID_BOOL.
4414 * c-typeck.c (default_conversion): Make booleans promote to int.
4415 (convert_arguments, build_unary_op, build_modify_expr,
4416 convert_for_assignment): Allow for booleans.
4417 * ginclude/stdbool.h: Make conforming to C99.
4419 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4421 * c-parse.in (c99_block_start, c99_block_end,
4422 c99_block_lineno_labeled_stmt): New.
4423 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
4424 (stmt): Split off selection and iteration statements into...
4425 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
4427 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4429 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
4432 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4434 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
4435 Rewrite to avoid use of match_dup. Don't try to tie registers that
4436 are not in the same mode.
4438 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4440 * invoke.texi: Update lists of languages and suffixes supported.
4442 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4444 * configure.in: Take toplevel configure arguments from the
4445 environment to create configargs.h and substitute
4446 gcc_config_arguments, taking account of any existing configargs.h
4448 * configure: Regenerate.
4449 * gccbug.in: Include toplevel configure arguments in gccbug.
4451 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4453 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
4454 union to make it well-aligned. Update all uses.
4456 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4458 * c-parse.in (initelt): Give appropriate pedantic warnings,
4459 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
4461 (designator): If pedantic, pedwarn for a designator specifying a
4463 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
4465 * extend.texi: Document the C99 syntax as the preferred syntax,
4466 and the pre-2.5 syntax as obsolete. Mention use of designator
4467 lists for nested subobjects.
4469 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4471 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
4472 Add ATTRIBUTE_PRINTF.
4473 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
4474 Add ATTRIBUTE_PRINTF*.
4476 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4478 * function.c (assign_parms): When calling put_var_into_stack, make
4479 sure that there are no hidden pending sequences.
4481 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4483 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
4484 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
4487 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
4489 * c-common.c (c_common_nodes_and_builtins): Declare index and
4490 rindex when nonansi builtins are allowed.
4492 * extend.texi (index, rindex): Document new builtins.
4494 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4496 * configure.in: Turn on libstdc++ V3 by default.
4497 * configure: Regenerated.
4499 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
4501 2000-11-12 Jakub Jelinek <jakub@redhat.com>
4503 * reload1.c (set_label_offsets): Go inside of PARALLELs.
4505 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
4507 * invoke.texi: Clean up option summary.
4509 2000-11-12 Nick Clifton <nickc@redhat.com>
4511 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
4512 of #include headers.
4514 2000-11-12 Marc Espie <espie@openbsd.org>
4516 * configure.in: Fix filds test.
4519 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4521 * jump.c (delete_computation): Don't assume that just becuase an
4522 instruction sets a register, that register is dead.
4524 2000-11-12 Neil Booth <neilb@earthling.net>
4526 * cppexp.c: Don't worry about pfile->skipping.
4527 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
4528 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
4529 for handled directives.
4530 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
4531 and releasing lookaheads.
4532 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
4533 (do_else, do_elif, push_conditional): Update logic.
4534 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
4535 (unwind_if_stack): Inline into cpp_pop_buffer.
4536 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
4537 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
4538 multiple-include optimisation.
4539 * cpplib.h (struct cpp_buffer): New member was_skipping.
4540 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
4541 works because skipping == 0 in directives.
4542 (_cpp_release_lookahead): Renamed from release_lookahead.
4543 (cpp_get_token): No need to check skipping as _cpp_get_token does
4544 this for us. No need to handle MI optimisation.
4546 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
4548 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
4549 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
4550 * fixinc/fixincl.x: Regenerated.
4552 2000-11-11 Bruce Korb <bkorb@gnu.org>
4554 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
4555 (avoid_wchar_t_type): ditto
4556 * fixinc/fixinc.irix: obsoleted
4558 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
4560 * configure.in: Don't add $outputs to all_lang_makefiles. Add
4561 $srcdir/$s/Makefile.in if it exists.
4562 * configure: Regenerate.
4564 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
4566 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
4568 2000-11-11 Jason Merrill <jason@redhat.com>
4570 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
4571 give the parm a register and then call put_var_into_stack.
4572 * stmt.c (expand_decl): Likewise.
4574 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4576 * gcc.texi: Adjust wording.
4578 2000-11-11 Mark Mitchell <mark@codesourcery.com>
4580 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
4581 * fininc/fixincl.x: Regenerated.
4583 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4585 * invoke.texi: Correct spelling of -foptimize-register-move.
4587 2000-11-11 Neil Booth <neilb@earthling.net>
4589 Remove CPP_PLACEMARKERs.
4591 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
4592 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
4593 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
4595 * cpplib.h: Remove CPP_PLACEMARKER.
4596 (struct lexer_state): Rename skip_newlines to next_bol.
4597 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
4598 Simplify prev_white handling as a result.
4599 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
4600 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
4601 (parse_args): Similarly. Update argument count tests.
4602 (enter_macro_context): Return 2 to indicate an empty macro.
4603 (replace_args): Don't bother pre-expanding an empty argument.
4604 Handle placemarkers and ## extension during pre-expansion.
4605 (cpp_get_token): Handle empty macro expansions. Don't worry
4606 about CPP_PLACEMARKERs.
4607 (_cpp_create_definition): Empty macros are now empty.
4608 (cpp_macro_defintion): Don't special case empty macros.
4609 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
4610 * c-lex.c: Similarly.
4612 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4614 * gcc.texi, invoke.texi: Add new section discussing language
4615 standards; link to it where appropriate; refer to ISO C instead of
4618 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
4620 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
4623 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
4626 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4628 * gcc.texi, gcov.texi: Update dates and version numbers.
4630 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
4632 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
4633 flex and bison, specifically, first in a unified build and
4634 then installed on the system.
4635 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
4636 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
4639 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
4640 cppdefault.o): Remove pointless sed munging of source file
4643 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
4645 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
4646 for address reloads. Push replacements for REG_INC notes.
4647 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
4649 * reload1.c (choose_reload_regs): Registers set in the insn can't be
4650 used for RELOAD_OTHER reloads.
4652 2000-11-10 Mark Mitchell <mark@codesourcery.com>
4654 * c-dump.h: New file.
4656 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4658 * alpha.c (check_float_value): Use memcpy, not bcopy.
4659 * arm.c (output_move_double): Likewise.
4661 * m88k.c (legitimize_operand): Likewise.
4662 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
4663 * m88k.md: Likewise.
4664 * mips.c (override_options): Likewise.
4665 * mips.md: Likewise.
4666 * romp.c (output_fpops): Likewise.
4667 * rs6000.c (rs6000_override_options): Likewise.
4669 * vax.c (check_float_value): Likewise.
4671 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
4672 * expmed.c (synth_mult): Likewise.
4673 * final.c (add_bb_string): Likewise.
4674 * genattr.c (main): Likewise.
4675 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
4677 * jump.c (thread_jumps): Likewise.
4678 * prefix.c (save_string): Likewise.
4679 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
4680 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
4681 * reload1.c (reload, eliminate_regs): Likewise.
4683 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4685 * gcc.texi (Service): Update to reflect current practice and
4686 location of the GNU service directory.
4688 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
4690 * regrename.c (build_def_use): Mark contents of REG_INC notes as
4691 needing replacement.
4693 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
4694 a no-op move if regs are equal.
4695 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
4696 when calling jump after post-reload splitting.
4698 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
4700 * c-tree.texi: Fix typos.
4701 * extend.texi: Likewise
4702 * gcov.texi: Likewise
4703 * rtl.texi: Likewise
4706 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
4708 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
4709 in_system_header and flags[1] before dereferencing flags[2].
4711 2000-11-09 Matthew Hiller <hiller@redhat.com>
4713 * reload1.c (reload_combine): Fixed calculation of
4714 first_index_reg, last_index_reg.
4716 2000-11-09 Mark Mitchell <mark@codesourcery.com>
4718 * c-dump.c (dequeue_and_dump): Dump function bodies.
4720 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
4721 (c-dump.o): New target.
4722 * c-common.h (flag_dump_translation_unit): New variable.
4723 (C_TYPE_QUALS): New macro.
4724 (strip_array_types): New function.
4725 (DECL_C_BIT_FIELD): New macro.
4726 (SET_DECL_C_BIT_FIELD): Likewise.
4727 (CLEAR_DECL_C_BIT_FIELD): Likewise.
4728 (dump_info_p): New typedef.
4729 (dump_tree_fn): Likewise.
4730 (lang_dump_tree): New variable.
4731 (dump_node_to_file): New function.
4732 * c-common.c (flag_dump_translation_unit): Define it.
4733 (strip_array_types): New function.
4734 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
4735 * c-lang.c (finish_file): Call dump_node_to_file if
4736 flag_dump_translation_unit.
4737 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
4738 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
4739 * c-dump.c: New file.
4741 2000-11-09 Christopher Faylor <cgf@cygnus.com>
4743 * config/i386/cygwin.h: Add mingw startfile prefix.
4745 2000-11-09 Richard Henderson <rth@redhat.com>
4747 * flow.c (invalidate_mems_from_set): Split out from ...
4748 (mark_set_1): ... here.
4749 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
4750 instead of turning insn into a NOTE_INSN_DELETED.
4752 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4754 * extend.texi, invoke.texi: Move documentation of builtin versions
4755 of C library functions to one place and update.
4757 2000-11-09 Richard Henderson <rth@redhat.com>
4759 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
4760 the types themselves to discover type equivalence.
4762 2000-11-09 Mike Stump <mrs@wrs.com>
4764 * Makefile.in (distclean): Remove a few extra leftovers.
4766 2000-11-09 Richard Henderson <rth@redhat.com>
4768 * recog.c (validate_replace_rtx_1): Consider subregs when
4769 replacing a register with a constant inside a sign/zero_extend.
4771 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4773 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
4775 * c-decl.c (finish_struct): When a structure is completed,
4776 check all its variant types for completeness.
4778 2000-11-09 Neil Booth <neilb@earthling.net>
4780 * cpphash.c: Move cpp_defined here from cpplib.c.
4781 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
4782 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
4783 * cppmacro.c (cpp_get_token): Update comments, no need now
4784 to catch the CPP_EOF meaning EOL case.
4786 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
4788 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
4789 is more than that provided, copy to a temporary.
4791 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
4793 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
4794 interpreting $out as a macro assignment.
4795 * Makefile.in (T_TARGET): New auxiliary macro and target.
4796 (all): Add a target right in the beginning, so that we don't build
4797 T_TARGET by default.
4799 2000-11-09 Graham Stott <grahams@redhat.com>
4801 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
4802 order for -mintel-syntax. Remove comment now that the operand
4803 order has been checked.
4804 (mmx_pextrw): Likewise.
4805 (mmx_pshufw): Likewise.
4807 2000-11-09 Jakub Jelinek <jakub@redhat.com>
4809 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
4810 (c_getstr): New function.
4811 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
4812 If both arguments are constant string, optimize out.
4813 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
4814 (expand_builtin_strpbrk): Use c_getstr, do nothing if
4815 -fcheck-memory-usage.
4816 (expand_builtin_fputs): Likewise.
4817 (expand_builtin_strcmp): Add MODE argument.
4818 Use even if !HAVE_cmpstrsi.
4819 Optimize the case when both arguments are constant strings.
4820 (expand_builtin): Adjust expand_builtin_strcmp caller.
4821 Call expand_builtin_strchr and expand_builtin_strrchr.
4822 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
4824 * builtins.def (BUILT_IN_STRRCHR): Add.
4826 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4828 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
4830 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
4832 * calls.c (expand_call, emit_library_call_value_1), collect2.c
4833 (scan_prog_file), config/a29k/a29k.c (print_operand),
4834 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
4835 instead of bcopy ().
4836 * real.h: Use memcmp () instead of bcmp ().
4837 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
4838 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
4839 ultrasparc_sched_init, ultrasparc_sched_reorder),
4840 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
4841 instead of bzero ().
4842 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
4843 instead of rindex ().
4844 * configure.in: Don't check for bzero, bcmp, index or rindex.
4845 * configure, config.in: Regenerate.
4846 * system.h: Don't include declarations for bzero, bcmp, index or
4848 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
4849 bzero, bcmp, index or rindex.
4851 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
4853 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
4854 include and library paths from -mcygwin case. Parameterize some
4855 declarations to avoid warnings. Use standard locations for include and
4858 2000-11-08 Nick Clifton <nickc@redhat.com>
4860 * config/arm/arm.md (mulsidi3adddi): Change output operand
4861 constraint from "=&" to "+&".
4862 (umulsidi3adddi): Change output operand constraint from "=&" to
4865 2000-11-08 Richard Henderson <rth@redhat.com>
4867 * flow.c (init_propagate_block_info): Protect the rtx stored in
4868 mem_set_list from modification by find_auto_inc.
4869 (mark_set_1): Likewise.
4871 2000-11-08 Neil Booth <neilb@earthling.net>
4873 Move directive handling into the lexer itself.
4875 * cpplex.c (_cpp_lex_token): Handle directives directly.
4876 In the case of a directive interrupting a function-like
4877 macro invocation, use extra_char since read_ahead is
4878 used to store the '#'. Return a CPP_EOF in this case.
4879 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
4880 (cpp_get_token): Don't handle directives here.
4881 * cpplib.h: Remove CPP_DHASH token type.
4883 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
4885 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
4886 formed using PRE_MODIFY too.
4888 2000-11-08 Mark Mitchell <mark@codesourcery.com>
4890 * c-tree.texi (VAR_DECL): Describe representation of GCC's
4891 extension for placing variables in particular registers.
4893 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
4894 unprototyped C functions with no parameters.
4896 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4898 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
4899 before passing to fprintf.
4901 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4903 * function.c (expand_function_start): Cast GET_MODE_SIZE to
4904 HOST_WIDE_INT before negating it.
4906 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4908 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
4909 passed in multiple non-contiguous locations.
4911 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4913 * README.gnat: Remove file.
4915 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
4917 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
4920 2000-11-07 Richard Henderson <rth@redhat.com>
4922 * dwarfout.c (INSN_LABEL_FMT): Remove.
4923 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4924 (dwarfout_label): Remove.
4925 * dwarfout.h: Remove it's prototype.
4926 * dwarf2out.c (INSN_LABEL_FMT): Remove.
4927 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4928 (dwarf2out_label): Remove.
4929 * dwarf2out.h: Remove it's prototype.
4930 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
4932 2000-11-07 Richard Henderson <rth@redhat.com>
4934 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
4935 search on the unwind region section.
4937 * config/ia64/ia64.md (movbi): Add r/r alternative.
4938 (cmovdi_internal_astep): Describe all combinations of register
4939 classes for sources & destinations; remove matching constraints.
4940 (cmovdi_internal): Likewise.
4942 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
4944 2000-11-07 Richard Henderson <rth@redhat.com>
4946 * c-lang.c (start_cdtor, finish_cdtor): New functions.
4947 (finish_file): Use them in building constructor/destructor functions.
4949 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
4950 LD_FINI_SWITCH): Move ...
4951 * config/alpha/osf.h: ... here.
4952 * config/alpha/alpha-interix.h: Don't undef them.
4954 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
4956 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
4957 included in libgcc.a.
4959 (dp-bit.c): Likewise.
4960 (fp-bit.c): Likewise.
4962 2000-11-07 Nick Clifton <nickc@redhat.com>
4964 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
4965 (INTERNAL_ASM_OP): Add missing tab.
4967 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4969 * alias.c (init_alias_analysis), calls.c (expand_call,
4970 emit_library_call_value_1), combine.c (init_reg_last_arrays),
4971 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
4972 (init_output_buffer, set_diagnostic_context), dwarf2out.c
4973 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
4974 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
4975 function.c (assign_parms), gcse.c (compute_can_copy,
4976 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
4977 compute_hash_table, compute_set_hash_table,
4978 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
4979 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
4980 clear_units, schedule_block), integrate.c (initialize_for_inline,
4981 expand_inline_function), jump.c (thread_jumps), local-alloc.c
4982 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
4983 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
4984 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
4985 record_reg_classes, allocate_reg_info), reload.c
4986 (get_secondary_mem, remove_address_replacements, find_reloads),
4987 reload1.c (reload, set_initial_label_offsets, finish_spills,
4988 reload_as_needed, choose_reload_regs_init,
4989 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
4990 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
4991 (rename_registers), stmt.c (expand_end_case), unroll.c
4992 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
4993 () instead of bzero ().
4995 2000-11-07 Neil Booth <neilb@earthling.net>
4997 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
4999 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5001 * c-common.c (combine_strings): Only warn about long strings for C.
5003 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
5005 * combine.c (distribute_notes): Fix typo in last change.
5007 2000-11-07 Geoff Keating <geoffk@redhat.com>
5009 * config/rs6000/rs6000.md (movdi_internal32+1): Use
5010 operand_subreg_force rather than gen_rtx_SUBREG.
5011 (movdi_internal32+2): Likewise.
5013 2000-11-07 Philip Blundell <philb@gnu.org>
5015 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
5016 * config/arm/linux-aout.h: Likewise.
5017 * configure: Regenerate.
5019 2000-11-07 Philipp Thomas <pthomas@suse.de>
5021 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
5022 accepted my the gettext maintainer.
5024 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5026 * builtins.c (expand_builtin_strpbrk): New function.
5027 (expand_builtin): Handle BUILT_IN_STRPBRK.
5029 * builtins.def (BUILT_IN_STRPBRK): New entry.
5031 * c-common.c (c_common_nodes_and_builtins): Declare builtin
5034 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
5036 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
5037 * POTFILES.in: Add config/alpha/freebsd.h
5038 * configure.in: Add alpha*-freebsd support.
5039 * configure: Regenerate.
5041 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
5043 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
5044 copy of ptr_type_node rather than ptr_type_node itself.
5046 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
5048 * combine.c (recog_for_combine): Allocate uninitialized vector with
5050 * recog.c (apply_change_group): Likewise.
5052 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
5054 * flow.c (verify_local_live_at_start): Back out last change.
5055 * combine.c (distribute_notes): When parts of a hard reg are
5056 neither set nor referenced in PLACE, search backwards for a
5057 place to put a REG_UNUSED note; if none found, ask for flow
5060 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
5062 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
5063 with (clobber (match_scratch...)).
5065 2000-11-06 Neil Booth <neilb@earthling.net>
5067 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
5070 2000-11-06 Neil Booth <neilb@earthling.net>
5072 * tradcpp.c (special_symbol): Assign an null string rather
5073 than writing to an unallocated buffer.
5075 2000-11-06 Neil Booth <neilb@earthling.net>
5077 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
5080 2000-11-06 Neil Booth <neilb@earthling.net>
5082 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
5083 tok.val.arg_no as appropriate.
5084 * cppexp.c (lex): Similarly.
5085 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
5086 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
5087 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
5088 cpp_macro_definition): Similarly.
5089 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
5091 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5093 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
5094 operands[1] is constant, calculate the sum and generate movdi.
5095 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
5096 (subsi3): Use SImode in call to arith_4096_operand.
5098 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5100 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
5101 adjust %o1, not %o0 if the return type is large structure.
5103 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5105 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
5106 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
5108 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5110 * expmed.c (expand_divmod): For signed divide by 2, prefer
5111 a branch and fewer shifts if branches are very cheap.
5113 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
5115 * Makefile.in: Remove all targets related to building
5116 distributions and diffs, or INSTALL.
5117 * INSTALL, install1.texi: Remove.
5118 * configure.in: Remove mention of distdir.
5119 * configure: Regenerate.
5120 * objc/Make-lang.in: Remove mention of distdir.
5122 2000-11-04 Neil Booth <neilb@earthling.net>
5124 * cpp.texi: Update for _Pragma.
5126 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
5128 * gcc.texi (Contributing): Update URL for projects web page.
5130 2000-11-04 Neil Booth <neilb@earthling.net>
5132 * cpplex.c (parse_string): Don't allow multiline strings in
5133 #include family directives.
5135 2000-11-04 Neil Booth <neilb@earthling.net>
5137 * cpplib.c (do_line): Only warn pedantically if not reading
5140 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
5142 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
5145 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
5147 * builtins.c (expand_builtin_strlen): Remove unused mode
5149 * gcc.c (process_command): Remove unused variable.
5150 * fold-const.c: Include expr.h.
5151 * recog.c: Include reload.h.
5152 * Makefile.in (recog.o, fold-const.o): Update deps.
5154 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
5156 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
5158 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
5160 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
5162 (STARTFILE_SPEC): Likewise.
5163 (LINK_SPEC): Likewise.
5165 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5167 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
5168 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
5169 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
5171 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
5173 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
5174 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
5175 perm_calloc, get_identifier, maybe_get_identifier,
5176 real_value_from_int_cst, simple_cst_equal), varasm.c
5177 (assemble_name, assemble_real, immed_real_const_1,
5178 compare_constant_1, decode_rtx_const, output_constant_pool): Use
5179 strrchr () instead of rindex (). Use memcmp () instead of bcmp
5180 (). Use memcpy () instead of bcopy (). Use memset () instead of
5183 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
5185 * cppfiles.c (open_file): If already read, then don't reopen.
5186 Immediately close an empty file.
5188 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5190 * expr.h (fold_builtin): Move declaration...
5191 * tree.h (fold_builtin): ... here.
5193 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
5195 * flow.c (verify_local_live_at_start): Allow hard regs to die.
5197 2000-11-02 Neil Booth <neilb@earthling.net>
5200 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
5201 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
5202 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
5203 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
5204 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
5205 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
5206 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
5207 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
5208 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
5209 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
5210 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
5211 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
5212 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
5213 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
5214 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5215 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
5216 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
5217 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
5218 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
5219 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
5220 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
5221 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
5222 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
5223 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
5224 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
5225 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
5226 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
5227 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
5228 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
5229 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
5230 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
5231 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
5232 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
5233 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
5234 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
5235 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
5236 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
5237 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
5238 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
5239 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
5240 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
5241 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
5242 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
5243 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
5244 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
5245 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
5246 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
5247 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
5248 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
5249 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
5250 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
5251 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
5252 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
5253 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
5254 vax/vaxv.h, vax/vms.h, we32k/we32k.h
5256 Replace -A() with -A=, the new assertion syntax.
5258 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
5260 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
5262 In REG_DEAD handling: When handling parts of multi-hard-reg hard
5263 registers, increment the loop counter by the size of the parts;
5264 use recursion to handle individual parts.
5266 2000-11-02 Neil Booth <neilb@earthling.net>
5268 * configure.in: Make integrated CPP the default.
5269 * configure: Regenerate.
5271 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
5273 * reload.c (find_equiv_reg): Test all hard registers for membership
5274 in the requested class.
5276 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5278 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
5279 process_command, main), gcov.c (open_files, output_data), tlink.c
5280 (frob_extension, scan_linker_output), toplev.c
5281 (file_name_nondirectory): Use strchr () and strrchr () instead of
5282 index () and rindex ().
5284 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5286 * c-common.c (get_flag_spec, check_format_info_main,
5287 check_format_types): Use strchr () instead of index (). Compare
5288 against error_mark_node instead of comparing the TREE_CODE against
5291 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
5295 * c-lex.c (init_c_lex): Update cpp_start_read call.
5296 (cb_ident): Update for new callback prototype.
5297 (cb_def_pragma): Update for new cpp_get_token prototype.
5298 (c_lex): Similarly. Use cpp_get_line.
5300 * c-parse.in (finish_parse): Update for new cpp_finish
5303 * cp/lex.c (finish_parse): Similarly.
5305 2000-11-01 Geoff Keating <geoffk@cygnus.com>
5307 * machmode.def: Add V16QImode.
5309 2000-11-01 Richard Henderson <rth@redhat.com>
5311 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
5312 from rtl_for_decl_location.
5313 (add_location_or_const_value_attribute): Likewise.
5315 2000-11-01 Neil Booth <neilb@earthling.net>
5317 * cpplib.c (run_directive): Use correct line number for output
5318 of _Pragma. Remember any in-progress directive.
5320 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
5322 2000-11-01 Richard Henderson <rth@redhat.com>
5324 * stmt.c (expand_start_null_loop): Set continue_label.
5326 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5328 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
5329 (expand_builtin_constant_p): Move parts of the code into
5330 fold_builtin_constant_p.
5331 (expand_builtin_strlen): Move parts of the code into fold_builtin.
5332 * expr.h (fold_builtin): Declare.
5333 * fold-const.c (fold): Handle builtin calls.
5335 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
5337 2000-11-01 Richard Henderson <rth@redhat.com>
5339 * stmt.c (expand_start_null_loop): New.
5340 (expand_end_null_loop): New.
5341 * c-semantics.c (genrtl_do_stmt): Use them.
5342 * tree.h: Declare them.
5344 2000-11-01 Richard Henderson <rth@redhat.com>
5346 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
5348 2000-11-01 Neil Booth <neilb@earthling.net>
5350 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
5351 * cp/spew.c: Similarly.
5352 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
5353 * cppmacro.c (stringify_arg): Similarly.
5354 * cpplib.h (CPP_BACKSLASH): Delete.
5356 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * builtins.c (expand_builtin_strstr): New function.
5359 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
5361 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
5363 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
5366 2000-10-31 Richard Henderson <rth@redhat.com>
5368 * config/i386/i386.c (fcmov_comparison_operator): Check for
5369 CCFPmode or CCFPUmode instead of CCmode.
5370 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
5371 unordered operations as well.
5373 2000-10-31 Richard Henderson <rth@redhat.com>
5375 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
5376 of integer_zero_node.
5378 2000-10-31 Richard Henderson <rth@redhat.com>
5380 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
5382 2000-10-31 Nick Clifton <nickc@redhat.com>
5384 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
5385 -fdata-sections to override the section attribute of a DECL.
5387 2000-10-31 Chris Demetriou <cgd@sibyte.com>
5389 * libgcc2.c (__shtab): Remove __shtab variable.
5390 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
5391 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
5394 2000-10-31 Jim Wilson <wilson@redhat.com>
5396 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
5397 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
5398 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
5399 instead of ASM_OUTPUT_INTERNAL_LABEL.
5400 (dwarf2out_end_block, dwarf2out_label): Likewise.
5401 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
5402 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
5404 2000-10-31 Richard Henderson <rth@redhat.com>
5406 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
5407 (size_of_locs): Set it.
5408 (output_loc_operands): Use it to compute branch displacement.
5409 (int_loc_descriptor): New.
5410 (mem_loc_descriptor): Dereference memory in the proper size.
5411 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
5412 (loc_descriptor_from_tree): New.
5413 (rtl_for_decl_location): Break out from ...
5414 (add_location_or_const_value_attribute): ... here.
5415 (add_bound_info): Use loc_descriptor_from_tree.
5417 2000-10-31 Neil Booth <neilb@earthling.net>
5419 * cpp.texi: Update for new command line assertion syntax.
5420 * cpplib.c (cpp_define): Simplify a bit.
5421 (cpp_assert, cpp_unassert): Use handle_assertion.
5422 (handle_assertion): New function; accept new command line
5424 * testsuite/gcc.dg/cpp/assert3.c: New tests.
5426 2000-10-31 Neil Booth <neilb@earthling.net>
5428 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
5429 undefined. Remove #ifdef check.
5430 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
5431 Define STDC_0_IN_SYSTEM_HEADERS to 1.
5433 2000-10-31 Jan Hubicka <jh@suse.cz>
5434 Jakub Jelinek <jakub@redhat.com>
5436 * config/i386/i386.h: Clarify CCNOmode description in comment.
5437 (EXTRA_CC_MODES): Remove CCRCmode.
5438 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
5439 (put_condition_code, ix86_match_ccmode): Likewise.
5440 (ix86_cc_mode): Likewise. Fix comment.
5441 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
5442 * config/i386/i386.md: Add unspec 12 description.
5443 (adddi3 split): Use unspec 12 instead of CCRCmode.
5444 (addsi3_carry_rc): Remove.
5445 (addsi3_cc, addqi3_cc): New patterns.
5446 (addsi_3): Swap operands, match CCZmode.
5447 (addsi_4): Rewritten.
5448 (addsi_5): Renamed from addsi_6.
5450 (addhi_3): Swap operands, match CCZmode.
5451 (addhi_4): Rewritten.
5452 (addhi_5): Renamed from addhi_6.
5454 (addqi_3): Swap operands, match CCZmode.
5455 (addqi_4): Rewritten.
5456 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
5457 (subsi3_carry_rc): Removed.
5458 (iorqi_3): Use =q constraint for clobber.
5459 (xorqi_cc_2): Likewise.
5460 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
5461 (x86_movsicc_0_m1_rc): Removed.
5462 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
5464 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
5466 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
5467 and decrement of complex types.
5469 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5471 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
5472 builtin fputs, ensure we still evaluate the stream in case it
5475 2000-10-31 Jakub Jelinek <jakub@redhat.com>
5477 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
5480 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
5482 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
5483 (fp_extended_operand, emit_fpscr_use): Likewise.
5484 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
5485 (fpul_operand): New function.
5486 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
5487 fp_extended_operand. Add fpul_operand.
5488 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
5489 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
5490 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
5491 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
5492 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
5493 (divdf3_i): Likewise.
5494 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
5495 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
5496 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
5497 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
5498 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
5500 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
5502 * config/i386/i386.c (ix86_init_builtins): Correct return type
5503 building v4hi_ftype_v4hi_int_int tree node.
5504 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
5505 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
5507 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
5509 (mmx__uavgv8qi3): Correct insn mnemonic.
5510 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
5511 (mmx_punpckhwd): Correct insn mnemonic.
5512 (mmx_punpckhdq): Likewise.
5513 (mmx_punpcklwd): Likewise.
5514 (mmx_punpckldq): Likewise.
5515 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
5516 Renumber case labels to match the _mm_prefetch constants defined in
5519 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
5520 if the splitter didn't emit new insns.
5521 Make sure we call cleanup_subreg_operands even when splitting the last
5522 insn in a basic block.
5524 * invoke.texi (Debugging Options): Describe -do.
5525 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
5526 (dump_file): Likewise.
5527 (rest_of_compilation): Split .greg dump into .greg and .postreload.
5529 2000-10-30 Neil Booth <neilb@earthling.net>
5531 * cppfiles.c (stack_include_file): Check for stacked contexts
5533 * cpphash.h (_cpp_do__Pragma): New prototype.
5534 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
5536 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
5537 escaped newlines if !(buffer->from_stage3).
5538 (_cpp_lex_token): Warn about missing newlines iff
5539 !buffer->from_stage3.
5541 * cpplib.c (get__Pragma_string, destringize,
5542 _cpp_do__Pragma): New functions.
5543 (run_directive): Set output_line for _Pragma to avoid line
5544 markers in output. Set from_stage3 and prevent macro expansion
5545 for _Pragma and command-line options. Check buffer exhaustion.
5546 (cpp_push_buffer): Don't check for stacked macro contexts, as
5547 this is perfectly legitimate for _Pragma. Move the check to
5548 stack_include_file instead. Set from_stage3 iff buffer is
5551 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
5552 unsigned. New boolean from_stage3.
5553 (struct spec_nodes): Add n__Pragma.
5555 * cppmacro.c (enter_macro_context): Flip sense of return value.
5556 (_cpp_get_token): Handle _Pragma operator.
5558 2000-10-30 Phil Edwards <pme@sources.redhat.com>
5560 * gcc.texi: The C++ standard isn't "draft" anymore.
5562 2000-10-30 Mark Mitchell <mark@codesourcery.com>
5564 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
5566 2000-10-29 Neil Booth <neilb@earthling.net>
5568 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
5570 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
5572 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
5573 fixinc/inclhack.def: Change comments mentioning C9X to refer to
5576 * invoke.texi: Document that -V will only work for very similar
5577 versions of driver and compiler.
5579 2000-10-29 Neil Booth <neilb@earthling.net>
5581 * cppmacro.c (_cpp_create_definition): Optimize the case of
5582 a macro defined to itself.
5584 2000-10-29 Neil Booth <neilb@earthling.net>
5586 * cpplex.c (save_comment): Don't store new lines in C++ comments.
5588 2000-10-29 Michael Hayes <mhayes@redhat.com>
5590 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
5592 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
5594 * cpphash.c (cpp_forall_identifiers): Add context variable
5595 for callback routine.
5596 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
5598 (main): Call cpp_forall_identifiers with null context.
5599 * cpplib.h (cpp_forall_identifiers): Update prototype.
5601 * cppmain.c: Make `parse_in' and `print' static.
5603 2000-10-28 Alan Modra <alan@linuxcare.com.au>
5605 * c-decl.c (finish_function): Clear c_function_name_declared_p.
5607 2000-10-28 Richard Henderson <rth@redhat.com>
5609 * regrename.c (scan_rtx_address): Frob action, not class,
5610 when trying to disable optimization.
5612 2000-10-28 Mark Mitchell <mark@codesourcery.com>
5614 * c-semantics.c (make_rtl_for_local_static): Don't clobber
5615 DECL_ASSEMBLER_NAME.
5617 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
5619 * configure.in: Determine and substitute gcc_version_full.
5620 * configure: Regenerate.
5621 * gccbug.in: Use it to give full version. Don't allow
5624 2000-10-28 Richard Henderson <rth@redhat.com>
5626 * recog.c (split_all_insns): Run cleanup_subreg_operands
5629 * regrename.c (regrename_optimize): Verify that all registers of
5630 a multiple register mode are available.
5631 (scan_rtx_address): Accept the mode of the address; all callers
5634 * cpplib.c (run_directive): Fix prototype.
5636 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
5638 * reload.c (find_reloads): Distinguish "wins" so that we know whether
5639 a given operand won because of a matching constraint or not; then use
5640 that information to compute goal_alternative_matched properly.
5641 * reload1.c (choose_reload_regs): Never set reload_override_in for an
5644 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
5645 accurate value for MULT.
5646 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
5647 2% or > 98% before using static branch prediction bits.
5649 2000-10-28 Neil Booth <neilb@earthling.net>
5653 * cpplib.c (struct answer): New.
5654 (struct if_stack): Use cpp_lexer_pos rather than line and col.
5655 Rename cmacro mi_cmacro.
5656 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
5657 IN_I): New directive and flags.
5658 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
5659 parse_answer, parse_assertion, find_answer): New functions.
5660 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
5661 (lex_macro_node): New function to replace parse_ifdef and
5664 (_cpp_handle_directive): New function, combines _cpp_check_directive
5665 and _cpp_check_linemarker.
5667 (do_define, do_undef, parse_include, do_include, do_import,
5668 do_include_next, read_line_number, do_line, do_ident, do_pragma,
5669 do_pragma_once, do_pragma_poison, do_pragma_dependency):
5670 Update for new token getting interface.
5672 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
5673 : Update for new multiple-include optimisation technique.
5674 (do_elif): Don't forget to invalidate controlling macros.
5676 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
5677 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
5678 Functions to handle assertions with the new token interface.
5679 (do_assert, do_unassert): Use them.
5681 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
5684 (_cpp_init_stacks): Register directive names. Don't register special
5687 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
5688 new position recording regime.
5689 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
5690 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
5691 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
5692 (cpp_type2name): Move to cpplex.c.
5694 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
5695 (parse_defined): Update to handle new multiple include optimisation
5696 method. Remove poisoned identifier warning.
5697 (parse_assertion, TYPE_NAME): Delete.
5698 (lex): Update for multiple include optimisation, removal of
5699 CPP_DEFINED, to use _cpp_test_assertion for assertions and
5701 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
5702 (op_as_text): New function, to wrap cpp_token_as_text.
5704 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
5705 Update for MI optimisation.
5706 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
5707 segfault on diagnostic.
5708 (_cpp_compare_file_date): Take a token rather than 3 args.
5709 (cpp_read_file): Work correctly for zero-length files.
5711 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
5712 _cpp_init_hashtable and _cpp_cleanup_hashtable.
5713 (cpp_lookup): Place identifiers at front of identifier pool
5714 for _cpp_lookup_with_hash.
5715 (_cpp_lookup_with_hash): Require identifiers to be at the front of
5716 the identifier pool. Commit the memory if not already in the
5719 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
5720 Initialise various members of cpp_reader, memory pools, and the
5722 (cpp_printer_init): Delete.
5723 (cpp_cleanup): Update.
5724 (struct builtin, builtin_array, initialize_builtins): Update for new
5725 hashnode definition and builtin handling.
5726 (cpp_start_read, cpp_finish): Don't take or initialise a
5729 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
5730 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
5731 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
5732 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
5733 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
5734 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
5735 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
5736 struct toklist, struct cpp_context, struct specnodes,
5737 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
5738 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
5739 enum builtin_type, cpp_can_paste): New.
5740 (struct cpp_token): Delete line and col members.
5741 (struct cpp_buffer): New member output_lineno.
5742 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
5743 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
5744 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
5745 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
5746 base_context, context, directive, mi_state, mi_if_not_defined,
5747 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
5748 mlstring_pos, macro_buffer, macro_buffer_len.
5749 Delete members mls_line, mls_column, token_list, potential_control_macro,
5750 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
5751 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
5752 save_parameter_spellings, need_newline, .
5753 Change type of date, time and spec_nodes members.
5754 Change prototypes for include and ident callbacks.
5755 (struct cpp_hashnode): Change type of name. Remove union members
5756 expansion and code. Add members macro, operator and builtin.
5758 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
5759 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
5760 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
5761 cpp_stop_lookahead): New prototypes.
5762 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
5764 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
5765 Move from cpphash.h.
5767 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
5768 ufputs): Move to cpplib.h.
5769 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
5770 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
5771 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
5772 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
5773 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
5774 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
5775 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
5776 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
5777 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
5778 _cpp_parse_assertion, _cpp_find_answer): Delete.
5779 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
5780 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
5781 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
5782 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
5783 _cpp_handle_directive, DSC): New.
5784 (struct include_file): New member defined.
5786 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
5787 _cpp_compare_file_date): Update.
5788 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
5789 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
5790 _cpp_cleanup_hashtable.
5792 * Makefile.in: Remove cppoutput.c.
5794 * cppoutput.c: Delete
5796 * fixheader.c (read_scan_file): Update for new cpp_get_token
5798 (recognized_function): New argument LINE.
5800 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5801 new cpp_get_token prototype.
5803 * scan.h (recognized_function): Update prototype.
5805 * po/POTFILES.in: Remove cppoutput.c.
5807 2000-10-27 Mark Mitchell <mark@codesourcery.com>
5809 * c-typeck.c (check_init_type_bitfields): Remove.
5810 (constructor_incremental): Likewise.
5811 (struct constructor_stack): Remove incremental bit.
5812 (struct initializer_stack): Likewise.
5813 (start_init): Don't play with constructor_incremental.
5814 (finish_init): Likewise.
5815 (really_start_incremental_init): Likewise.
5816 (push_init_level): Likewise.
5817 (pop_init_level): Likewise.
5818 (output_init_level): Likewise.
5819 (output_pending_init_elements): Likewise.
5821 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
5823 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
5824 Improve error messages. Correct parsing of
5825 #pragma pack(pop [,id]). Do not check the user-supplied
5826 alignment if we're popping.
5828 * gcc.dg/pack-test-1.c: New test case.
5829 * gcc.dg/pack-test-2.c: New test case.
5830 * gcc.dg/pack-test-1.h: New file.
5832 2000-10-27 Neil Booth <neilb@earthling.net>
5836 2000-10-27 Kelley Cook <kelley.cook@home.com>
5838 * invoke.texi: Document -mintel-syntax
5840 2000-10-27 Richard Henderson <rth@redhat.com>
5842 * invoke.texi: Document -frename-registers. Add it to -O3.
5843 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
5844 (enum dump_file_index, dump_file): Update order.
5845 (main): Set flag_rename_registers at -O3.
5847 2000-10-27 Richard Henderson <rth@redhat.com>
5849 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
5850 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
5851 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
5852 * config/alpha/alpha.md (call_osf_1): Use it.
5853 (call_value_osf_1): Likewise.
5855 * config/ia64/ia64.c: Revert 10-23 patch.
5856 (ia64_hard_regno_rename_ok): New.
5857 * config/ia64/ia64-protos.h: Declare it.
5858 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
5860 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
5861 Richard Henderson <rth@redhat.com>
5863 * regrename.c: Rewrite to handle multi-register modes and
5864 cond_exec instructions.
5865 * Makefile.in (regrename.o): Update dependancies.
5866 * recog.h (struct operand_alternative): Add is_address.
5867 * recog.c (preprocess_constraints) [case 'p']: Set it.
5869 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
5871 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
5872 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
5873 top level. Kill oldstyle_subdirs. Do not include
5874 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
5875 $outputs. Do not run configure.lang from config.status.
5876 Rearrange warning-flag logic to correspond to what the
5877 makefile wants. Put special vax stage1 options in
5878 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
5879 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
5880 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
5881 switch is given, nothing otherwise.
5882 * configure.lang: Delete.
5884 * Makefile.in: Expunge all traces of extra_c_objs,
5885 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
5886 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
5887 warning options via a three level scheme so that -pedantic and
5888 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
5889 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
5890 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
5891 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
5892 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
5893 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
5894 generation rules. Wrap all rules that change the current
5895 directory in parentheses; pmake doesn't spawn a new shell for
5896 each command. Expunge all references to $(P). When one
5897 command depends on another and they're run all at once, use &&
5898 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
5899 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
5902 * objc/Make-lang.in: Wrap all rules that change the current
5903 directory in parentheses. Expunge all references to $(P).
5904 When one command depends on another and they're run all at
5905 once, use && to separate them, not ;. Add OUTPUT_OPTION to
5906 all object-file generation rules. Delete obsolete variables.
5907 * objc/Makefile.in: Delete.
5909 2000-10-27 Jakub Jelinek <jakub@redhat.com>
5911 * calls.c (expand_call): If sibcall_failure is set during pass 1,
5912 clear tail_call_insns as well.
5914 2000-10-27 Nick Clifton <nickc@redhat.com>
5916 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
5919 2000-10-26 Richard Henderson <rth@redhat.com>
5921 * calls.c (expand_call): Supress sibcall if we have a
5922 BLKmode return in registers.
5924 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
5926 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
5929 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
5931 * tree.c (make_node, case 't'): Set alignment to that of
5933 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
5935 2000-10-25 Mark Mitchell <mark@codesourcery.com>
5937 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
5938 * configure.in (enable-libstdcxx-v3): Arrange to have
5939 HAVE_LIBSTDCXX_V3 substituted into the output files.
5941 2000-10-25 Richard Henderson <rth@redhat.com>
5943 * recog.c (constrain_operands): Initialize which_alternative
5944 before no alternatives early exit.
5946 * cse.c (find_comparison_args): Check that we can reverse a
5947 comparison if needed before accepting the substitution.
5949 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
5951 * simplify-rtx.c (simplify_relational_operation): Sign extend
5952 low words before sign extending to high words.
5954 2000-10-25 Nick Clifton <nickc@redhat.com>
5956 * config/mcore/mcore.c: Include config.h before system.h.
5958 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
5960 * config/mcore/mcore.md (return): Force function epilogue to
5961 always be generated to work around epilogue suppression bug in
5964 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
5966 * c-decl.c (grokdeclarator): Move warning for qualified void
5967 return types with -pedantic to when the function type is
5968 constructed. At -W, warn in general for qualified function return
5969 types, except for volatile void.
5970 * invoke.texi: Document this new warning at -W.
5972 2000-10-25 Neil Booth <neilb@earthling.net>
5974 * cpp.texi: Update with implementation-defined behavior and
5977 2000-10-25 Jakub Jelinek <jakub@redhat.com>
5979 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
5980 incomplete type force it into alias set 0.
5982 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
5984 * alias.c: Include basic-block.h.
5985 (loop_p): New function.
5986 (mark_constant_function): Use it.
5987 * Makefile.in (alias.o): Update dependencies.
5989 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5991 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
5994 2000-10-24 Jim Wilson <wilson@cygnus.com>
5996 * expmed.c (store_bit_field): Move integer pun code down after
5997 code that calls emit_move_insn for entire register move.
5998 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
5999 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
6001 2000-10-24 Richard Henderson <rth@cygnus.com>
6003 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
6004 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
6006 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
6008 * gcse.c (cprop_insn): do not propagate constants into jump_insn
6009 for machines with CC0 more than once.
6011 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
6013 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
6014 pseudos just like memory.
6016 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
6018 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
6019 when deleting libcall sequence collapsed to a single instruction.
6021 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
6023 * expr.c (do_store_flag): Don't crash if either side of a
6024 comparison is error_mark_node.
6026 2000-10-24 Jakub Jelinek <jakub@redhat.com>
6028 * sibcall.c (purge_mem_unchanging_flag): New function.
6029 (optimize_sibling_and_tail_recursive_calls): Call it.
6031 2000-10-24 Philipp Thomas <pthomas@suse.de>
6033 * Makefile.in (check-po): New target for doing checks in the po
6034 subdir if all languages configured.
6035 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
6036 configure if NLS is enabled.
6037 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
6038 otherwise leave empty.
6039 * configure: Regenerate.
6041 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6043 * i386.c (print_operand): Handle new 'A' formatting code.
6044 387 opcodes need suffixes even with -mintel-syntax.
6045 Check for explicit size override (codes 'b', 'w' and 'k').
6046 (print_operand_address): Check if register prefix is needed when
6047 emitting `ds' segment override.
6048 * i386.h: Add comment about new 'A' formatting code.
6049 * i386.md (jump and call patterns): Emit absolute references using %A.
6051 2000-10-23 Richard Henderson <rth@cygnus.com>
6053 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
6054 output registers as fixed.
6055 (ia64_function_epilogue): Undo output fixation.
6057 2000-10-23 Richard Henderson <rth@cygnus.com>
6059 * config/alpha/alpha.md: Add names for all unnamed insns; use
6060 define_insn_and_split in some obvious places.
6062 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
6063 (zero_extendqisi2, zero_extendqidi2): Likewise.
6064 (zero_extendhisi2, zero_extendhidi2): Likewise.
6065 (abs splitters): Fix match_scratch operand number.
6066 (bcc_reverse): Swap pc & label instead of non-canonical compare.
6068 2000-10-23 Jim Wilson <wilson@cygnus.com>
6070 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
6072 * ia64.md (cmpsi_adjusted): Use %r3.
6073 (cmpdi_adjusted): Likewise.
6075 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6077 * config/i386/att.h (ASM_FILE_START): Define.
6079 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6081 * config/i386/linux.h (ASM_FILE_START): Define.
6083 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
6085 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
6086 since this (only) drags in a crt0.o reference that the .ld files
6089 2000-10-23 Geoff Keating <geoffk@cygnus.com>
6091 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
6092 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
6093 reloads just like an RELOAD_FOR_OUTPUT would.
6095 * local-alloc.c (update_equiv_regs): Add an abort(). When
6096 deleting or moving insns, update reg_equiv[regno].init_insns.
6098 2000-10-23 Mark Mitchell <mark@codesourcery.com>
6100 * c-tree.texi: Improve documentation for IF_STMTs and related
6101 conditional statements.
6103 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6105 * expr.c (do_preexpand_calls): Remove.
6106 (same_from_p): Don't use CALL_EXPR_RTL.
6107 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
6108 (preexpand_calls): Remove.
6109 * tree.c (first_rtl_op): Remove CALL_EXPR case.
6110 (unsave_expr_1): Likewise.
6111 * tree.def (CALL_EXPR): Give it only two slots.
6112 * tree.h (CALL_EXPR_RTL): Remove.
6114 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
6116 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
6117 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6120 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
6122 * calls.c (combine_pending_stack_adjustment_and_call): Don't
6123 adjust stack when unadjusted_alignment ends up as zero.
6125 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
6127 * fixinc/genfixes: Remove EGCS reference.
6128 * install.texi: Remove EGCS reference.
6129 * INSTALL: Regenerate.
6131 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6133 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
6135 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
6137 * diagnostic.c: Remove EGCS reference in comment.
6139 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6141 * loop.c (strength_reduce): Fix error in last change.
6143 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6145 * Makefile.in (SHLIB_NM_FLAGS): New.
6146 (libgcc.mk): Pass it.
6147 * mklibgcc.in (libgcc.map): Use it.
6149 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
6150 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
6152 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6154 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
6156 * sparc.c (load_pic_register): Delete unused varaible.
6158 * libgcc2.c (__addvsi3): Delete unused variable.
6160 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
6161 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
6162 __negvdi2): Prototype.
6164 * ssa.c (apply_delayed_renames): Avoid undefined operation.
6166 * toplev.c (display_target_options): Make static to match
6167 prototype. Delete empty declaration.
6169 2000-10-20 Tom Tromey <tromey@cygnus.com>
6171 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6172 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6174 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6176 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
6178 (expand_expr_unaligned, case ARRAY_REF): Check that index is
6179 a constant before comparing it; use tree_low_cst.
6180 * tree.c (save_expr): Set TREE_READONLY.
6181 (substitute_expr): Return inside of NON_LVALUE_EXPR.
6182 (build, build1): Set TREE_READONLY if all operands are.
6183 (build_index_type): If upper bound is a negative number, lower
6184 bound is zero and sizetype is unsigned, use upper bound of one and
6187 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6189 * gcc.c (process_command, main): Use "because" instead of
6190 "since" in error messages.
6192 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6194 * stor-layout.c (compute_record_mode): Use tree_low_cst.
6195 Don't use mode of field for record unless sizes are the same.
6196 (layout_type, case ARRAY_TYPE): Remove special bounds handling
6197 previously added for Ada; also change to using host_integerp
6200 * loop.c (strength_reduce): Show when new register made for
6201 giv is known to be a pointer and its aligment if so and known.
6202 (loop_dump_aux): Show VERBOSE parameter unused.
6204 * gcse.c (set_hash_table_size): Now unsigned.
6205 * sdbout.c (template_name_p): Add "const" to avoid warnings.
6206 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
6207 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
6208 (sdbout_end_epilogue): Remove variable NAME.
6209 * system.h (getopt): Add default definition.
6210 * config/alpha/alpha.c (print_operand): Don't continue processing
6211 after issuing error.
6212 (summarize_insn): Avoid use of UL in constant.
6214 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
6216 * fold-const.c (force_fit_type): Unsigned values can overflow
6217 if they are sizetype.
6218 (int_const_binop): Don't use cache if overflows.
6220 2000-10-20 Richard Henderson <rth@cygnus.com>
6222 * function.c (locate_and_pad_parm): Zero alignment_pad.
6224 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
6225 perform substitutions, and apply_change_group to see if it worked.
6227 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6229 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
6231 * combine.c (struct undo): Change int to unsigned int.
6232 (do_SUBST_INT): Args are unsigned int.
6233 (make_extraction, force_to_mode): Use proper type when forming mask.
6234 (make_field_assignment): Likewise.
6236 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
6238 * c-common.c (check_format_info_recurse): Extract string constant
6239 initializers from non-volatile constant arrays and check them as
6241 * c-typeck.c (decl_constant_value): Don't check pedantic or check
6242 for DECL_MODE (decl) != BLKmode.
6243 (decl_constant_value_for_broken_optimization): New function which
6244 includes these checks.
6245 (default_conversion, convert_for_assignment, digest_init): Use
6246 decl_constant_value_for_broken_optimization instead of
6247 decl_constant_value.
6249 2000-10-20 Mark Mitchell <mark@codesourcery.com>
6251 * tree.h (DECL_ALIGN_UNIT): New macro.
6253 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
6255 * config/avr/avr-protos.h (avr_output_bld): New.
6256 (out_shift_with_cnt): Add t_len argument.
6257 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
6258 (output_movqi, output_movhi, output_movsisf): Optimize loading
6259 any constant with exactly one bit set to NO_LD_REGS.
6260 (out_shift_with_cnt): Optimize output code for size or speed,
6261 depending on optimize_size. Handle small shift counts as well
6262 (if not hand-optimized in ?sh??i3_out). Shifts can be done
6263 with or without a scratch register, with help of __tmp_reg__
6264 or __zero_reg__ if necessary. Add T_LEN argument to pass the
6265 length of TEMPLATE in words, return total insn length in *LEN.
6266 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
6267 out_shift_with_cnt to work with the above change.
6268 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
6269 lshrsi3_out): Likewise. Optimize more known shift count cases.
6270 Remove cases already well optimized in out_shift_with_cnt.
6271 (avr_output_bld): New function.
6272 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
6273 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
6274 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
6275 Add reload_completed to insn condition - only for peepholes.
6276 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
6277 in a register or memory.
6278 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
6279 Do not require a scratch register.
6280 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
6281 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
6282 Optimize shifts by known count using a scratch register, but only
6283 if one is still available after register allocation.
6285 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6287 * t-vax: New file. Don't build modules from libgcc1.c.
6289 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
6291 * alias.c: (mark_constant_function): Don't check pure functions.
6292 Initialize and end alias analysis.
6293 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
6294 Don't make a special exception for recursion. Handle
6295 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
6296 unless it's volatile.
6298 * local-alloc.c (equivalence): New structure.
6299 (reg_equiv): Define.
6300 (contains_replace_regs): Remove array and use
6302 (memref_referenced_p): Likewise.
6303 (no_equiv): Likewise.
6304 (update_equiv_regs): Likewise.
6306 (equiv_init_varies_p,
6307 equiv_init_movable_p): New functions.
6308 (update_equiv_regs): Use them. Use rtx_varies_p
6309 instead of function_invariant_p. Process insns
6310 from end to beginning. Allow a REG_EQUIV insn
6311 within the same loop as a use to be moved, also
6312 allow it to be moved out of a loop. Update
6313 REG_DEAD notes when substituting into an insn.
6315 2000-10-19 Jim Wilson <wilson@cygnus.com>
6317 * c-decl.c (start_decl): Check for error_mark_node type before using
6319 (finish_decl): Likewise. Don't give an error if decl type is
6320 already error_mark_node.
6322 * haifa-sched.c (compute_trg_info): Add explanatory comments.
6323 New local update_blocks. Use update_blocks to remove duplicates
6324 when computing update blocks. Check for bblst_table overflow.
6325 (schedule_block): Add explanatory comment. Reduce bblst_size by
6327 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
6330 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6332 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
6334 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6336 * expmed.c: Minor corrections in comments.
6337 * invoke.texi: Added desciption for the new option -ftrapv.
6339 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6341 * libgcc2.c: Added the missing #endif.
6343 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6345 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
6347 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
6349 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
6350 Use smulv_optab for -ftrapv.
6351 (expand_mult_highpart): Use unsigned multiply.
6352 (expand_divmod): Special-case division by -1.
6353 For EXACT_DIV_EXPR, do right shift first, then the multiply.
6354 For complex divide, use abs with unsigned result.
6355 * expr.c (force_operand): Use unsigned multiply.
6356 (expand_expr): Use overflow-trapping optabs for signed types if
6358 If flag_trapv, don't generate a recursive call with EXPAND_SUM
6359 if the type is signed and the original call wasn't EXPAND_SUM or
6361 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
6362 (negv_optab, absv_optab): Declare.
6363 * flags.h (flag_trapv): Declare.
6364 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
6365 smulv_optab, sdivv_optab, negv_optab and absv_optab.
6366 (gen_insn): Interpret '$P' as requiring an integer mode,
6367 including partial integer modes.
6368 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
6369 (product_cheap_p): Use unsigned expand_mult.
6370 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
6371 (negv_optab, absv_optab): Define.
6372 (expand_binop): Use overflow-trapping optabs for signed types if
6374 Handle negv_optab libe neg_optab.
6375 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
6376 Use overflow-trapping optabs for signed result if flag_trapv.
6377 (expand_complex_abs): Use overflow-trapping optabs for signed types if
6379 Don't open-code complex absolute-value operation for flag_trapv.
6380 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
6381 sdivv_optab, negv_optab and absv_optab.
6382 * toplev.c (flag_trapv): Define.
6383 (lang_independent_options f_options): Include flag_trapv.
6384 * tree.h (TYPE_TRAP_SIGNED): Define.
6385 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
6386 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6388 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
6389 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
6391 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
6392 David V. Henkel-Wallace <gumby@cygnus.com>
6394 * config/i386/t-netware: Bring in from the Red Hat tree.
6395 * config/i386/netware.h: Likewise.
6396 * config/netware.h: Likewise.
6397 * config/rs6000/netware.h: Delete.
6398 * configure.in: Add i[34567]86-*-netware.
6399 * configure: Hand-edit to match configure.in change.
6401 2000-10-18 Mark Mitchell <mark@codesourcery.com>
6403 * c-common.h (flag_no_builtin): Declare.
6404 (flag_no_nonansi_builtin): Likewise.
6405 (c_common_nodes_and_builtins): Change prototype.
6406 * c-common.c (flag_no_builtin): New variable.
6407 (flag_no_nonansi_builtin): Likewise.
6408 (c_common_nodes_and_builtins): Remove parameters. Adjust
6410 * c-decl.c (flag_no_builtin): Remove.
6411 (flag_no_nonansi_builtin): Likewise.
6412 (init_decl_processing): Adjust call to
6413 c_common_nodes_and_builtins.
6415 2000-10-18 Marc Espie <espie@openbsd.org>
6417 * tm.texi (LIBGCC_SPEC): Synch with reality.
6419 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6421 * c-common.c (check_format_types): Check for writing through a
6422 NULL pointer argument.
6424 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
6426 * tm.texi (Exception Region Output): Document
6427 DWARF_CIE_DATA_ALIGNMENT.
6428 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
6430 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
6431 DWARF_CIE_DATA_ALIGNMENT.
6433 2000-10-18 Michael Hayes <mhayes@cygnus.com>
6435 * basic-block.h (struct loop): Delete fields pre_header_root
6436 and pre_header_trace and replace with pre_header_edges
6437 and num_pre_header_edges.
6438 * flow.c (flow_loop_dump): Dump pre_header_edges.
6439 (flow_loops_free): Free pre_header_edges.
6440 (flow_loop_pre_header_scan): Calculate pre_header_edges.
6442 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6444 * contrib.texi: Update references to steering committee members
6445 and Jeff Law's entry.
6447 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6449 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
6450 (maybe_read_dollar_number, check_format_info_main): Use them for
6451 pedantic warning messages.
6453 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6455 * c-common.c (check_format_info_main): Minor cleanup: move
6456 variables into inner scopes; initialize declarations where
6457 appropriate; don't hardcode "scanf" name on warning for zero
6460 2000-10-17 Mark Mitchell <mark@codesourcery.com>
6462 * c-common.c (back_end_hook): New variable.
6463 * c-common.h (back_end_hook): Declare it.
6464 * c-lang.c (finish_file): Use it.
6466 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
6469 2000-10-18 Jan Hubicka <jh@suse.cz>
6471 * i386.c (ix86_comparison_operator, put_condition_code,
6472 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
6473 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
6474 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
6475 * i386.md (adddi and negdi splitter): Use CCRCmode.
6476 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
6477 (subsi3_carry): add '*'
6478 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
6479 (cmp to add peep2): Use CCRCmode; swap operands.
6481 2000-10-18 Kazu Hirata <kazu@hxi.com>
6483 * h8300.c: Fix a comment typo.
6484 (round_frame_size): New.
6485 (compute_saved_regs): Likewise.
6488 (push_order): Remove.
6489 (pop_order): Likewise.
6490 (function_prologue): Rearrange code for readability.
6491 (function_epilogue): Likewise.
6493 * config/h8300/h8300.md: Remove an unnecessary sign_extend
6494 expander that is used when not optimizing. Output a tab after
6495 each assembly insns.
6497 * reorg.c: Fix formatting.
6499 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
6501 * reload1.c (move2add_note_store): Check for simple
6502 auto-inc in destination.
6504 2000-10-17 Michael Chastain <chastain@redhat.com>
6506 * config/i386/i386-aout.h: define INT_ASM_OP.
6508 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
6510 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
6512 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
6514 * i370.md: Fix spelling typo.
6516 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6518 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
6519 Fixes execute/20001017-1.c on powerpc-linux-gnu.
6521 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
6522 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
6525 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
6526 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
6528 * rs6000/aix.h: ...to here.
6529 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
6531 2000-10-17 Jakub Jelinek <jakub@redhat.com>
6533 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
6535 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
6536 sure linker can relax even the delay slot mov %g1,%o7, fix output
6539 2000-10-17 Kazu Hirata <kazu@hxi.com>
6541 * config/h8300/h8300.md: Remove an unnecessary zero_extend
6542 expander that is used when not optimizing. Output a tab after
6543 each assembly insns.
6545 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
6547 * gcc.c: New options --target-help.
6548 (process_command): Added code to parse this new option.
6549 * toplev.c (display_target_options): New function to support the
6551 * cppinit.c (new_pending_directive) : New option OPT_target__help.
6552 (cpp_handle_option): Support this new option.
6553 * invoke.texi: Added notes about --target-help option.
6555 2000-10-17 Graham Stott <grahams@redhat.com>
6557 * config/i386/i386.md (testqi_1): Add missing operand prefix
6559 * config/i386/i386-protos.h: Add missing prototype.
6561 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
6563 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
6564 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
6565 using -mintel-syntax.
6567 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6569 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
6570 (format_types): Use it for printf.
6571 (maybe_read_dollar_number): Add parameter for the kind of format
6572 involved. Warn for multiple use for arguments if this is
6573 inappropriate for the kind of format involved.
6574 (check_format_info_main): Update calls to maybe_read_dollar_number.
6576 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6578 * inclhack.def (hpux_maxint): Also apply fix to values.h.
6579 * fixincl.x: Rebuilt.
6581 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
6583 * genrecog.c (write_switch): Return the first condition that needs a
6586 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
6588 * c-tree.h (warn_sequence_point): Move declaration to...
6589 * c-common.h (warn_sequence_point): ... here.
6590 * c-decl.c (warn_sequence_point): Move definition to...
6591 * c-common.c (warn_sequence_point): ... here.
6592 (struct reverse_tree): New.
6593 (reverse_list, reverse_max_depth): New static variables.
6594 (build_reverse_tree, common_ancestor, modify_ok
6595 verify_sequence_points): New functions.
6596 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
6597 * c-typeck.c (check_modify_expr): Delete.
6598 (build_modify_expr): Don't call it.
6600 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6602 * c-common.h (warn_missing_format_attribute): New variable.
6603 * c-decl.c (warn_missing_format_attribute): New variable.
6604 (c_decode_option): Decode -Wmissing-format-attribute and
6605 -Wno-missing-format-attribute.
6606 * c-common.c (check_function_format): If
6607 -Wmissing-format-attribute, give a warning where a vprintf or
6608 vscanf function is called by a function without its own printf or
6610 * toplev.c (documented_lang_options): Add
6611 -Wmissing-format-attribute.
6612 * invoke.texi: Document -Wmissing-format-attribute.
6614 2000-10-17 Marc Espie <espie@openbsd.org>
6616 * invoke.texi (-shared): Insist on requiring code generation flags
6617 to be used along with -shared, and document the subtle failure that
6618 may occur otherwise.
6620 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6622 * pa.md (return_internal): Move `use' after `return'.
6624 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6626 * machmode.def: Correct comment.
6628 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
6630 * print-rtl.c (print_rtx_head): Constify.
6631 * rtl.h (print_rtx_head): Similarly.
6633 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
6634 Constify char * return value.
6636 (output_64bit_and, output_64bit_ior): Constify char * return value.
6637 (pa_can_combine_p): Make static.
6638 (function_arg): Decorate unused `named' argument. Fix comment typo.
6639 (function_arg_partial_nregs): Decorate unused `named' argument.
6641 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
6643 * c-common.c (format_check_results): New structure.
6644 (finish_dollar_format_checking): Adjust to take a
6645 format_check_results * parameter.
6646 (check_format_info, check_format_info_recurse,
6647 check_format_info_main): Split check_format_info into three
6648 functions, the main checking going in check_format_info_main.
6649 Recurse when any reduction of the format string argument towards a
6650 string literal is done; go down both branches of a conditional
6651 expression. Don't warn for extra format arguments or empty format
6652 strings if they only occur in some branches of a conditional
6655 2000-10-16 Kazu Hirata <kazu@hxi.com>
6657 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
6659 2000-10-16 Jakub Jelinek <jakub@redhat.com>
6661 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
6663 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
6665 * i386.md (*movsi_or): Switch operand order for intel syntax.
6667 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
6671 * gcc.texi (Contributing): Update.
6673 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
6675 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
6676 appropriate assembler dialect.
6678 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
6680 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
6682 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
6684 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
6685 constants 1 and 2 to NO_LD_REGS.
6687 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6689 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
6691 * objc/Make-lang.in (objc-parse.c): Likewise.
6693 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6695 * arm.c: Include obstack.h
6696 (minipool_obstack, minipool_startobj): Define.
6697 (arm_add_gc_roots): Initialize them.
6698 (create_fix_barrier): Use our new obstack.
6699 (push_minipool_barrier, push_minipool_fix): Likewise.
6700 (arm_reorg): Release obstack memory.
6702 2000-10-13 Jakub Jelinek <jakub@redhat.com>
6704 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
6705 (prologue, exception_receiver, builtin_setjmp_receiver): New
6707 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
6708 * config/sparc/sparc-protos.h (finalize_pic): Remove.
6709 (load_pic_register): New prototype.
6710 * config/sparc/sparc.c (pic_setup_code): Remove.
6711 (finalize_pic): Rename to...
6712 (load_pic_register): ...this function.
6713 Don't look for nonlocal_goto_receivers and emit pic setup code
6714 directly. Don't check current_function_uses_pic_offset_table.
6716 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6718 * tree.h (struct obstack): Declare.
6720 2000-10-12 Mark Mitchell <mark@codesourcery.com>
6723 * Makefile.in (ggc-callbacks.o): Remove target.
6724 (flow.o): Depend on GGC_H.
6725 * alias.c (init_alias_analysis):
6726 Remove ggc_p conditionals.
6727 (end_alias_analysis): Likewise.
6728 * basic-block.h (init_flow): New function.
6729 (allocate_reg_life_data): Declare.
6730 * bb-reorder.c (function_obstack): Replace with ...
6731 (flow_obstack): ... new variable.
6732 (fixup_reorder_chain): Use it.
6733 * c-decl.c (ggc_p): Remove.
6734 (caller-save.c): Don't call oballoc/obfree.
6736 undobuf): Remove storage.
6737 (try_combine): Don't call oballoc.
6738 (undo_all): Don't call obfree.
6739 * cse.c (insert): Use xmalloc, not
6741 (cse_main): Adjust accordingly.
6742 * dwarf2out.c (save_rtx): Remove
6744 (dwarf2out_init): Remove ggc_p conditionals.
6745 * emit-rtl.c (rtl_obstack): Remove.
6746 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
6747 (make_insn_raw): Likewise.
6748 (emit_insn_before): Likewise.
6749 (emit_insn_after): Likewise.
6750 (emit_insn): Likewise.
6751 (gen_sequence): Likewise.
6752 (copy_insn_1): Remove handling of `b' RTL components.
6753 (init_emit_once): Remove ggc_p conditionals.
6754 * except.c (create_rethrow_ref): Don't fool with obstacks.
6755 (add_partial_entry): Likewise.
6756 (call_get_eh_context): Likewise.
6757 (begin_protect_partials): Likewise.
6758 (protect_with_terminate): Likewise.
6760 (plus_constant_wide): Likewise.
6761 * expr.c (init_expr_once):
6763 (emit_block_move): Likewise.
6764 (clear_storage): Likewise.
6765 (expand_expr): Likewise.
6766 * flow.c (function_obstack): Remove.
6767 (flow_obstack): New variable.
6768 (flow_firstobj): Likewise.
6769 (create_base_block): Use the flow_obstack.
6770 (split_block): Likewise.
6771 (split_edge): Likewise.
6772 (calculate_global_regs_live): Likewise.
6773 (allocate_bb_life_data): Make it static. Likewiwse.
6774 (init_flow): New function.
6775 (size_int_type_wide): Remove ggc_p conditionals.
6777 (push_function_context_to): Don't call save_tree_status.
6778 (pop_function_context_from): Or restore_tree_status.
6779 (assign_stack_local_1): Don't call push_obstacks.
6780 (find_fixup_replacement): Use xmalloc.
6781 (fixup_var_refs_insns): Free the storage.
6782 (insns_for_mem_walk): Don't mess with obstacks.
6783 (instantiate_decls): Likewise.
6784 (trampoline_address): Likewise.
6785 (expand_function_end): Likewise.
6786 * function.h (sturct function):
6787 Remove obstack-related variables.
6788 (save_tree_status): Don't declare.
6789 (restore_tree_status): Likewise.
6790 * gcse.c (compute_can_copy):
6791 Don't call oballoc/obfree.
6792 * genattrtab.c (operate_exp): Remove
6794 (simplify_cond): Likewise.
6795 (simplify_test_exp): Don't mess with obstacks.
6796 (optimize_attrs): Likewise.
6797 * gengenrtl.c (gendef): Don't include
6799 * ggc-callbacks.c (ggc_p): Remove.
6800 * ggc-none.c (ggc_p): Remove.
6801 * ggc.h (ggc_p): Don't declare.
6802 * integrate.c (save_for_inline): Don't mess with obstacks.
6803 (integrate_decl_tree): Likewise.
6804 (output_inline_function): Likewise.
6806 (init_EXPR_INSN_LIST_cache): Likewise.
6807 * loop.c (temp_obstack):
6809 (rtl_obstack): Likewise.
6810 (init_loop): Don't mess with obstacks.
6811 (reg_address_cost): Free BIVs and GIVs.
6812 (check_insns_for_bivs): Use xmalloc, not oballoc.
6813 (find_mem_givs): Likewise.
6814 (record_biv): Likewise.
6815 (general_induction_var): Likewise.
6816 (product_cheap_p): Likewse.
6817 * optabs.c (init_one_libfunc): Remove
6819 * print-tree.c (debug_tree): Don't use
6821 (print_node): Likewise.
6822 * profile.c (output_func_start_profiler):
6823 Remove call to temporary_allocation.
6825 (eliminate_regs_in_insn): Don't mess with obstacks.
6827 (mark_target_live_regs): Use xmalloc.
6828 (free_resource_info): Free the memory.
6829 * rtl.c (rtl_obstack):
6831 (rtvec_alloc): Don't mess with obstacks.
6832 (rtx_alloc): Likewise.
6834 (copy_rtx): Don't handle `b' cases.
6835 (read_rtx): Use a local rtl_obstack.
6836 * rtl.h (oballoc): Remove.
6838 (pop_obstacks): Likewise.
6839 (push_obstacks): Likewise.
6840 (allocate_bb_life_data): Likewise.
6841 (allocate_reg_life_data): Likewise.
6842 (rtx_free): Likewise.
6843 * sdbout.c (sdbout_queue_anonymous_type):
6844 Use tree_cons, not saveable_tree_cons.
6846 (cselib_init): Don't mess with obstacks.
6848 (mark_block_nesting): Mark the label_chain.
6849 (epxand_label): Use ggc_alloc, not oballoc.
6850 (clear_last_expr): Don't mess with obstacks.
6851 (expand_decl_cleanup): Likewise.
6852 (expand_dcc_cleanup): Likewise.
6853 (expand_dhc_cleanup): Likewise.
6854 (expand_anon_union_decl): Likewise.
6855 (add_case_node): Use xmalloc, not oballoc.
6856 (free_case_nodes): New function.
6857 (expand_end_case): Call it.
6858 * stor-layout.c (layout_type): Don't
6860 (layout_type): Likewise.
6861 * toplev.c (wrapup_global_declarations):
6863 (compile_file): Remove ggc_p conditionals.
6864 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
6865 (decode_f_option): Remove ggc_p conditionals.
6867 (function_maybepermanent_obstack): Remove.
6868 (maybepermanent_obstack): Likewise.
6869 (function_obstack): Likewise.
6870 (tmeporary_obstack): Likewise.
6871 (momentary_obstack): Likewise.
6872 (temp_decl_obstack): Likewise.
6873 (saveable_obstack): Likewise.
6874 (rtl_obstack): Likewise.
6875 (current_obstack): Likewise.
6876 (expression_obstack): Likewise.
6877 (struct obstack_stack): Likewise.
6878 (obstack_stack): Likewise.
6879 (obstack_stack_obstack): Likewise.
6880 (maybepermanent_firstobj): Likewise.
6881 (temporary_firstobj): Likewise.
6882 (momentary_firstobj): Likewise.
6883 (temp_decl_firstobj): Likewise.
6884 (momentary_function_firstobj): Likewise.
6885 (all_types_permanent): Likewise.
6886 (struct momentary_level): Likewise.
6887 (momentary_stack): Likewise.
6888 (init_obstacks): Remove initialization of removed obstacks.
6889 (save_tree_status): Remove.
6890 (restore_tree_status): Likewise.
6891 (temporary_allocation): Liekwise.
6892 (end_temporary_allocation): Liekwise.
6893 (resume_temporary_allocation): Likewise.
6894 (saveable_allocation): Likewise.
6895 (push_obstacks): Likewise.
6896 (push_obstacks_nochange): Likewise.
6897 (pop_obstacks): Likewise.
6898 (allocation_temporary_p): Likewise.
6899 (permanent_allocation): Likewise.
6900 (preserve_data): Likewise.
6901 (preserve_initializer): Likewise.
6902 (rtl_in_current_obstack): Likewise.
6903 (rtl_in_saveable_obstack): Likewise.
6904 (oballoc): Likewise.
6906 (savealloc): Likewise.
6907 (expralloc): Likewise.
6908 (print_obstack_name): Likewise.
6909 (debug_obstack): Likewise.
6910 (object_permanent_p): Likewise.
6911 (push_momentary): Likewise.
6912 (perserve_momentary): Likewise.
6913 (clear_momentary): Likewise.
6914 (pop_momentary): Likewise.
6915 (pop_momentary_nofree): Likewise.
6916 (suspend_momentary): Likewise.
6917 (resume_momentary): Likewise.
6918 (make_node): Don't set TREE_PERMANENT.
6919 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
6920 Don't set TREE_PERMANENT.
6921 (get_identifier): Remove ggc_p conditionals.
6922 (build_string): Likewise.
6923 (make_tree_vec): Likewise.
6924 (build_decl_list): Remove.
6925 (build_expr_list): Likewise.
6926 (tree_cons): Remove ggc_p conditionals.
6927 (decl_tree_cons): Remove.
6928 (expr_tree_cons): Likewise.
6929 (perm_tree_cons): Likewise.
6930 (temp_tree_cons): Likewise.
6931 (saveable_tree_cons): Likewise.
6932 (build1): Remove ggc_p conditionals.
6933 (build_parse_node): Likewise.
6934 (build_type_attribute_variant): Don't mess with obstacks.
6935 (build_type_copy): Likewise.
6936 (type_hash_canon): Likewise.
6937 (build_pointer_type): Likewise.
6938 (build_reference_type): Likewise.
6939 (build_index_type): Likewise.
6940 (build_range_type): Likewise.
6941 (dump_tree_statistics): Don't print obstack information.
6943 (struct tree_common): Remove permanent_flag.
6944 (TREE_PERMANENT): Remove.
6945 (TREE_SET_PERMANENT): Likewise.
6946 (TYPE_OBSTACK): Likewise.
6947 (struct tree_type): Remove obstack.
6949 (savealloc): Likewise.
6950 (build_decl_list): Likewise.
6951 (build_expr_list): Likewise.
6952 (perm_tree_cons): Likewise.
6953 (temp_tree_cons): Likewise.
6954 (saveable_tree_cons): Likewise.
6955 (decl_tree_cons): Likewise.
6956 (expr_tree_cons): Likewise.
6957 (suspend_momentary): Likewise.
6958 (allocation_temporary_p): Likewise.
6959 (resume_momentary): Likewise.
6960 (push_obstacks_nochange): Likewise.
6961 (permanent_allocation): Likewise.
6962 (push_momentary): Likewise.
6963 (clear_momentary): Likewise.
6964 (pop_momentary): Likewise.
6965 (end_temporary_allocation): Likewise.
6966 (pop_obstacks): Likewise.
6967 (push_obstacks): Likewise.
6968 (pop_momentary_nofree): LIkewise.
6969 (preserve_momentary): Likewise.
6970 (saveable_allocation): Likewise.
6971 (temporary_allocation): Likewise.
6972 (resume_temporary_allocation): Likewise.
6973 (perserve_initializer): Likewise.
6974 (debug_obstack): Likewise.
6975 (rtl_in_current_obstack): Likewise.
6976 (rtl_in_saveable_obstack): Likewise.
6978 * varasm.c (current_obstack): Remove.
6979 (saveable_obstack): Remove.
6980 (rtl_obstack): Remove.
6981 (immed_double_const): Don't mess with obstacks.
6982 (immed_real_cons): Likewise.
6983 (output_constant_def): Likewise.
6984 (init_varasm_status): Use xcalloc.
6985 (mark_pool_constant): Mark the pool constant itself.
6986 (free_varasm_status): Free memory.
6987 (decode_rtx_const): Call bzero directly, rather than expanding it
6989 (record_rtx_const): Don't mess with obstacks.
6990 (force_const_mem): Likewise.
6991 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
6993 (aof_pic_entry): Likewise.
6994 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
6995 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
6996 * config/pa/pa.c (saveable_obstack): Remove.
6997 (rtl_obstack): Likewise.
6998 (current_obstack): Likewise.
6999 (output_call): Don't mess with obstacks.
7000 (hppa_encode_label): Remove ggc_p conditionals.
7001 * config/romp/romp.c (get_symref): Don't mess with obstacks.
7002 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
7003 (rs6000_encode_section_info): Likewise.
7004 * config/sh/sh.c (get_fpscr_rtx): Likewise.
7006 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
7008 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
7009 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
7010 (addsi3_carry): Canonicalize.
7011 (addqi_5): Remove '*'.
7012 (sbb pattern): Canonicalize.
7014 * i386.md (cmp to inc/add peep2): New.
7016 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
7018 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
7021 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7023 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
7024 * README.TRAD, TESTS.FLUNK: Remove.
7026 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7028 * c-common.c (decl_attributes): Don't allow strftime formats with
7029 first_arg_num nonzero.
7030 (check_format_info): Set wanted_type and wanted_type_name to zero
7031 before they are possibly assigned and used.
7033 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7035 * c-common.c (scanf_flag_specs): Add flags ' and I.
7036 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
7037 or the ^ and # flags together.
7038 (scan_char_table): Handle the ' and I flags.
7039 (format_types): Add ' and I flags for scanf.
7041 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7043 * c-common.c (print_char_table): Use the unpromoted type for
7044 lengths "h" and "hh" with conversions dioxXu.
7045 (check_format_types): Apply the default argument promotions where
7046 the wanted type is not a pointer target.
7048 2000-10-11 Michael Meeks <mmeeks@gnu.org>
7049 Joseph S. Myers <jsm28@cam.ac.uk>
7051 * c-typeck.c (check_modify_expr): New function.
7052 (build_modify_expr): Call it if warn_sequence_point.
7053 * c-decl.c (warn_sequence_point): New variable.
7054 (c_decode_option): Handle -Wsequence-point and
7055 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
7056 * c-tree.h (warn_sequence_point): Declare.
7057 * invoke.texi (-Wsequence-point): Document.
7058 * toplev.c (documented_lang_options): Add -Wsequence-point and
7059 -Wno-sequence-point.
7060 Original work by Michael Meeks, 16 Jun 1998.
7062 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7064 * tree.c (get_narrower): Don't look at precision of field if
7067 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
7069 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
7070 declaration for data with "progmem" attribute.
7072 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
7074 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
7075 Correct insn length if shift count is a memory operand.
7076 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
7077 (*iorhi3_clobber): Change lo8 to hi8.
7078 (zero_extendhisi2): Change %B0 to %A1.
7079 (ashlhi3, ashrhi3): Correct insn length.
7080 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
7081 from "clobber" to "set_n" in some alternatives.
7083 2000-10-10 Jakub Jelinek <jakub@redhat.com>
7085 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
7086 remove its insn_chain structure as well.
7088 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7090 * dbxout.c (dbxout_source_line): Remove extra tab.
7092 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
7094 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
7096 2000-10-09 Richard Henderson <rth@cygnus.com>
7098 * Makefile.in (LANG_LIB2FUNCS): Remove.
7099 (LIB2FUNCS): Remove _pure.
7100 (LIB2ADD): Remove LANG_LIB2FUNCS.
7101 (stage_a): Don't set LANG_LIB2FUNCS.
7102 * libgcc2.c (__terminate): Mark noreturn.
7103 (__pure_virtual): Remove.
7104 * mklibgcc.in: Remove LIB2ADD .txt processing.
7106 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7108 * arm.md (push_multi): Revert unintended change.
7110 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7112 * arm.c: Miscellaneous white space and comment clean-ups. No
7116 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7118 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
7119 STRING_CST by calling combine_strings.
7121 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7123 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
7124 (thumb_output_move_mem_multiple): Support new insn format.
7125 * arm.md (movmem12b): Use SSA compatible format.
7126 (movmem8b): Likewise.
7128 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7130 * arm.md (predicable): New attribute, default to "no".
7131 (all patterns): Mark as predicable if appropriate.
7132 (conditional execution splits): Split using predication format.
7133 (define_cond_exec): Define.
7134 * arm.c (arm_print_operand): handle insn predicate.
7136 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7138 * README.NS32K: Remove file.
7140 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7142 * README-bugs: Remove file.
7144 2000-10-08 Philipp Thomas <pthomas@suse.de>
7145 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
7147 * configure: Rebuilt.
7149 2000-10-08 Philipp Thomas <pthomas@suse.de>
7150 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
7151 disable catalog building if no suitable program was found.
7152 Move warning message from here
7153 (AM_GNU_GETTEXT): To here.
7154 * configure: Rebuilt.
7156 2000-10-08 Philipp Thomas <pthomas@suse.de>
7157 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
7158 different cache variables.
7159 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
7160 uses different cache variables.
7161 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
7162 * configure: Regenerated.
7164 2000-10-08 Richard Henderson <rth@cygnus.com>
7166 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
7167 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
7168 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
7171 * config/t-linux (SHLIB_EXT): New.
7172 (SHLIB_LINK): Use the entire build command, with substitutions.
7173 (SHLIB_LIBS): Remove.
7174 * config/alpha/t-osf4: Likewise.
7175 * config/mips/t-iris6: Likewise.
7176 * config/sparc/t-sol2: Likewise, but move shlib stuff...
7177 * config/sparc/t-slibgcc-sld: ...here.
7178 * config/sparc/t-slibgcc: New file.
7180 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7182 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
7183 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
7185 (intmax_type_node, uintmax_type_node): Define.
7186 * c-common.c (decl_attributes): If pedantic, warn if `mode'
7187 attributes create a type wider than intmax_t.
7188 (T_IM, T_UIM): Define properly.
7189 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
7191 (init_decl_processing): Initialize intmax_type_node and
7193 * c-lex.c (lex_number): When pedantic and warning for integer
7194 constants that are too large, in C99 mode warn for those that have
7195 a type wider than long long.
7197 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7199 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
7200 FMT_FLAG_FANCY_PERCENT_OK): Define.
7201 (format_char_info): Add flag "4" to comment.
7202 (format_flag_spec, format_flag_pair): New structures.
7203 (format_kind_info): Add additional fields to control format
7205 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
7206 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
7208 (time_char_table): Use "4" flag to handle %Ey.
7209 (format_types): Add entries for new fields.
7210 (get_flag_spec): New function.
7211 (check_format_info): Increase size of flag_chars[] to 256.
7212 Control format checking using the new fields of a format_kind_info
7213 and the new tables; remove all conditionals on printf_format_type,
7214 scanf_format_type or strftime_format_type. Handle all details of
7215 bad combinations of flags (including width, precision and strftime
7216 modifiers) through data rather than ad hoc code. Handle all
7217 details of standard versions in which flags appeared through
7218 data. Use the "4" flag.
7220 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
7222 * config/h8300/h8300.md: Remove the memory alternative and correct
7223 the insn lengths in the templates for sign extention and zero
7226 2000-10-07 Richard Henderson <rth@cygnus.com>
7228 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
7229 * flow.c (make_edges): Revert last change.
7231 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
7233 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
7235 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
7237 * config/alpha/elf.h: Standardize the formatting.
7239 2000-10-06 David O'Brien <obrien@FreeBSD.org>
7241 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
7244 2000-10-06 Richard Henderson <rth@cygnus.com>
7246 * function.c (diddle_return_value): Examine
7247 current_function_return_rtx instead of the DECL_RESULT.
7248 (expand_function_end): Handle reloading DECL_RESULT from memory
7249 into a hard register. Query promote_mode for sign of mismatched
7252 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7254 * haifa-sched.c (schedule_insns): Fix typo in freeing
7255 forward_dependency_cache.
7257 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7259 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
7260 `TARGET_SH2' as a condition.
7262 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7264 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
7265 forward_dependency_cache): New variables.
7266 (add_dependence, remove_dependence): Use anti_dependency_cache and
7267 output_dependency_cache.
7268 (compute_block_forward_dependences): Use forward_dependency_cache.
7269 (schedule_insns): Allocate and free memory for anti/output/forward
7270 dependencies caches.
7272 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7274 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
7275 `! TARGET_SH1'. Reindent.
7277 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7279 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
7280 Move functions from here ...
7282 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
7284 (c_expand_builtin): New function.
7285 (init_function_format_info): Don't set `check_function_format_ptr'.
7286 (c_common_nodes_and_builtins): Set built_in_class type for
7287 printf/__builtin_printf to BUILT_IN_FRONTEND.
7288 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
7290 * c-common.h (build_function_call): Declare.
7292 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
7293 to `lang_expand_expr' rather than `expand_builtin'.
7295 * tree.c (check_function_format_ptr): Delete.
7297 * tree.h (check_function_format_ptr): Likewise.
7299 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
7301 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
7302 DW_OP_bregx when cfa->reg > 31.
7304 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
7307 2000-10-05 Richard Henderson <rth@cygnus.com>
7309 * c-decl.c (warn_missing_noreturn): Remove.
7310 (c_expand_body): Don't set or check can_reach_end.
7311 * c-tree.h (warn_missing_noreturn): Move ...
7312 * flags.h: ... here.
7313 (can_reach_end): Remove.
7314 * flow.c (check_function_return_warnings): New.
7315 (make_edges): No edge to exit for noreturn sibcalls.
7316 * function.c (expand_function_end): Save the return value
7317 clobber instruction.
7318 (mark_function_status): Mark it.
7319 * function.h (struct function): Add x_clobber_return_insn.
7320 * jump.c (can_reach_end): Remove.
7321 (calculate_can_reach_end): Remove.
7322 (jump_optimize_1): Don't call it.
7323 * output.h (check_function_return_warnings): Declare.
7324 * toplev.c (warn_missing_noreturn): Move from c-decl.c
7325 (rest_of_compilation): Call check_function_return_warnings.
7327 2000-10-05 Richard Henderson <rth@cygnus.com>
7329 * Makefile.in (NM_FOR_TARGET): New.
7330 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
7331 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
7332 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
7333 shared library build on that and EXTRA_MULTILIB_PARTS.
7334 * mkmap-flat.awk: New file.
7335 * mkmap-symver.awk: New file.
7336 * libgcc-std.ver: New file.
7337 * config/libgcc-glibc.ver: New file.
7338 * config/ia64/libgcc-ia64.ver: New file.
7339 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7340 (SHLIB_LINK): Add --version-script.
7341 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
7342 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7343 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7344 (SHLIB_LINK): Add -M.
7346 2000-10-05 Richard Henderson <rth@cygnus.com>
7348 * Makefile.in (LIB2FUNCS): Add _clz.
7349 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
7350 (__clz_tab): Put in its own unit, non-static.
7351 * libgcc2.h: Always include longlong.h.
7353 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
7354 a zero instead of -1.
7355 (count_trailing_zeros): Likewise.
7357 2000-10-05 Richard Henderson <rth@cygnus.com>
7359 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
7360 when second op1 is const0_rtx. Validate op0 as a register.
7361 * config/alpha/alpha.md (setcc_internal): Don't allow constants
7362 in the first argument of the compare.
7363 (setcc_swapped_internal): Likewise.
7364 (setne_internal): Likewise.
7366 2000-10-05 Geoff Keating <geoffk@cygnus.com>
7368 * tree.c (tree_size): New function split out of copy_node.
7369 (make_node): Remove obstack handling. Use tree_size.
7370 (copy_node): Use tree_size.
7371 * tree.h: Prototype tree_size.
7373 2000-10-05 Richard Henderson <rth@cygnus.com>
7375 * diagnostic.c (output_format): Add missing break.
7377 2000-10-05 Jim Wilson <wilson@cygnus.com>
7379 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
7380 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
7381 sequence insn to INSN, and delete last sequence insn.
7383 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
7385 * gcc.c (main): Include generated configargs.h header
7386 and use arguments in '-v' output.
7388 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7390 * gcc.c: Move data on prefixes forward in file and reorganize.
7391 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
7392 Always define, but make null if no value.
7393 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
7394 and "md_startfile_prefix_1".
7395 (main): Check whether md_exec_prefix and the others are the
7396 null string rather than whether the macro is defined.
7398 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7400 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
7401 from PSImode to SImode.
7403 2000-10-05 Jakub Jelinek <jakub@redhat.com>
7405 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
7406 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
7407 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
7410 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7412 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
7413 negation in proper type.a
7415 2000-10-04 Richard Henderson <rth@cygnus.com>
7417 * configure.in (enable-shared): New.
7418 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
7419 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
7420 * mklibgcc.in: Use them to link shared a libgcc.
7421 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
7422 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
7423 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
7424 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
7426 * configure.in (alpha-osf*): Use t-osf and x-osf.
7427 * config/alpha/t-osf: New file.
7428 * config/alpha/t-osf4: New file.
7429 * config/alpha/x-osf: New file.
7430 * config/alpha/x-alpha: Remove file.
7432 2000-10-04 Will Cohen <wcohen@redhat.com>
7434 * c-typeck.c (process_init_element): Added warning for zero-length
7437 * extend.texi (Zero Length): State that static initializers for
7438 zero-length arrays are not allowed.
7440 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
7442 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
7445 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7447 * config/float-c4x.h: New.
7448 * configure.in (c4x-*): Set float_format to c4x.
7449 * configure: Regenerate.
7451 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7453 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
7454 compilation for solaris versions 2.7 and greater.
7456 2000-10-02 Marc Espie <espie@openbsd.org>
7458 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
7459 instead of redefining from scratch.
7461 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
7463 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
7465 2000-10-01 Mark Mitchell <mark@codesourcery.com>
7467 * config/ns32k/genix.h: Remove.
7468 * config/ns32k/x-genix: Likewise.
7469 * config/ns32k/xm-genix.h: Likewise.
7470 * config/fx80: Remove all filee in directory.
7471 * config/pyr: Likewise.
7472 * config/tahoe: Likewise.
7473 * config/gmicro: Likewise.
7474 * config/spur: Likewise.
7475 * configure.in: Remove configury bits for above targets.
7476 * configure: Regenerated.
7478 * configure.in: Don't configure chill by default.
7479 * configure: Regenerated.
7481 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
7482 (lang_mark_false_label_stack): Remove.
7483 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
7484 <top level> string in GC area.
7485 (mark_splay_tree_node): New function.
7486 (mark_splay_tree): Likewise.
7487 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
7489 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
7490 * ggc-common.c (lang_mark_false_label_stack): Change type.
7491 * ggc.h (ggc_alloc_string): Add comment.
7492 (ggc_strdup): New function.
7494 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
7496 * config/avr/avr.h (BRANCH_COST): Define as 0.
7498 * config/pdp11/pdp11.c: #include "tree.h" added.
7500 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
7502 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
7503 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
7504 with known shift count.
7505 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
7506 New alternative for shift count 2 with no scratch register.
7507 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
7508 "set_n" for shift counts 1 and 2.
7510 2000-09-30 Geoff Keating <geoffk@cygnus.com>
7512 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
7513 the mask value from the individual SET operations.
7514 (return_internal_si): Move the USE after the RETURN.
7515 (return_internal_di): Likewise.
7516 (return_and_restore_fpregs_si): Likewise.
7517 (return_and_restore_fpregs_di): Likewise.
7518 (return_eh_si): Likewise.
7519 (return_eh_di): Likewise.
7520 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
7522 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
7523 Don't generate a PARALLEL around a single operation movsi_to_cr.
7524 Generate the RETURN first in any PARALLELs.
7526 * rtlanal.c (single_set_1): Use fatal_insn to display the
7527 invalid insn. Check for more cases when a USE or CLOBBER occurs
7529 * Makefile.in: Update dependencies for rtlanal.o.
7531 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7533 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
7535 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7537 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
7538 Consistently use @email for formatting email addresses.
7540 2000-09-29 Richard Henderson <rth@cygnus.com>
7542 * cse.c (notreg_cost): New argument outer.
7543 (COST): Pass in SET to notreg_cost
7545 (fold_rtx): Use COST_IN. Prefer constants when costs
7548 2000-09-29 David Edelsohn <edelsohn@gnu.org>
7550 * fixinc/inclhack.def (broken_cabs): Generalize regex.
7551 * fixinc/fixincl.x: Regenerate.
7553 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7555 * loop.c (check_final_value): A GIV is not replaceable if used
7558 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
7560 * version.c: Bump to gcc-2.97.
7562 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
7564 * final.c (final_scan_insn): Remove extra extract_insn call;
7565 Use caching for constrain_operands.
7566 (cleanup_subreg_operands): Use caching for extract_insn.
7567 * recog.c (constrain_operands_cached): New.
7568 * recog.h (constrain_operands_cached): Declare.
7569 * i386.c (ix86_attr_length_immediate_default,
7570 ix86_attr_length_address_default, ix86_agi_dependant): Cache
7573 * recog.c (asm_noperands): Tweak.
7574 (extract_insn): Do not call asm_noperads for non-asm instructions.
7576 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
7578 * recog.c (recog_memoized): Rename to recog_memoized_1.
7579 * recog.h (recog_memoized): Rename to recog_memoized_1.
7580 (recog_memoized): New macro.
7581 * rtl.h (single_set): Rename to single_set_1
7582 (single_set): New macro.
7583 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
7586 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
7587 Do not use match_dup of input operands at outputs.
7588 Use register_operand for memory expression.
7589 (rep_movsi): Put use last, canonicalize.
7590 Use register_operand for memory expression.
7591 (rep_movqi): Put use last.
7592 Use register_operand for memory expression.
7593 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
7594 of input operands at outputs. Use register_operand for memory
7596 (rep_stossi): Put use last; canonicalize; fix match_dup in
7597 the address expression
7598 (rep_stosqi): Likewise.
7599 (memcmp expander): Update calls.
7600 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
7603 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
7605 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
7607 2000-09-28 David O'Brien <obrien@FreeBSD.org>
7609 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
7610 Contains the old contents of config/i386/freebsd.h
7611 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
7612 Contains the old contents of config/i386/freebsd-elf.h
7613 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
7614 config/i386/freebsd.h.
7615 * configure.in: Adjust for above changes.
7616 * po/POTFILES.in: Likewise.
7617 * po/en_GB.po: Likewise.
7618 * po/gcc.pot: Likewise.
7619 * configure: Rebuilt.
7621 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7623 * doloop.c (doloop_modify): Prevent delete_insn() from
7624 deleting too much. Prefer loop->top over loop->start as
7625 target for the new JUMP insn.
7626 (doloop_valid_p): Ignore loop with exit_count != 0.
7628 2000-09-28 Philipp Thomas <pthomas@suse.de>
7630 * invoke.texi (i386 Options): Add athlon to table of possible
7633 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
7635 * diagnostic.h (output_clear_message_text): New function.
7636 (output_message_text): New macro.
7638 * diagnostic.c (clear_text_info): Rename to
7639 output_clear_message_text.
7640 (output_clear): Adjust.
7641 (output_finish): Rename to output_finalize_message. Tweek.
7642 (output_to_stream): Adjust.
7644 2000-09-28 Neil Booth <neilb@earthling.net>
7646 * cpperror.c (_cpp_begin_message): Do the test for suppression
7647 of warnings and pedantic warnings before the "is a warning an
7649 * cppinit.c (cpp_handle_option): Remove surplus \n.
7650 * cpplex.c (ON_REST_ARG): Delete.
7651 (skip_block_comment): Initialise prevc.
7652 (parse_args): Improve error messages.
7653 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
7655 * cpplib.c (cpp_push_buffer): Fix grammar in message.
7656 * cppmain.c (main): Set callbacks for #ident and #pragma
7657 only if no_output option is false.
7658 (do_pragma_implementation): Only call the #pragma handler
7659 if it is set in the cpp_reader structure.
7661 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
7663 * integrate.c (copy_insn_list): if an ignored return value
7664 is being clobbered, skip cloning that into the inline copy.
7666 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
7668 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
7669 use @uref for formatting URLs.
7671 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
7673 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
7676 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
7678 * gcc.c (cpp_options): Add spec for -ftabstop=.
7679 (invoke_as): New spec that handles invoking as.
7680 Update specs to handle -save-temps and -traditional.
7681 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
7683 * cp/lang-specs.h, objc/lang-specs.h: Update to use
7684 invoke_as, and handle -save-temps and -traditional (if
7687 2000-09-26 Jakub Jelinek <jakub@redhat.com>
7689 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
7691 (function_arg_slotno): Accept TImode/CTImode.
7692 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
7695 2000-09-26 Michael Hayes <mhayes@cygnus.com>
7697 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
7700 2000-09-25 Jim Wilson <wilson@cygnus.com>
7702 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
7703 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
7704 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
7705 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
7707 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
7709 * cpplex.c (parse_args): Don't set VOID_REST flag.
7710 (CONTEXT_VARARGS): New flag.
7711 (maybe_paste_with_next): Set context earlier in loop. Use
7712 it. Do varargs test with CONTEXT_VARARGS flag.
7713 (push_arg_context): Set CONTEXT_VARARGS flag if we're
7714 pushing an argument context for a varargs argument.
7715 * cpplib.h (VOID_REST): Delete.
7716 * gcc.dg/cpp/vararg1.c: Add test case.
7718 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
7720 * flags.h: Declare warning flag warn_system_headers.
7721 * toplev.c: Define it.
7722 (W_options): Add option -Wsystem-headers.
7723 * diagnostic.c (count_error): Test warn_system_headers.
7724 * invoke.texi: Add description for -Wsystem-headers.
7725 * cpplib.h (cpp_options): New member warn_system_headers.
7726 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
7727 CPP_IN_SYSTEM_HEADER.
7728 * cpplib.c (do_import, do_pragma_once): Likewise.
7729 * cpperror.c (_cpp_begin_message): Test warn_system_headers
7730 and CPP_IN_SYSTEM_HEADER.
7731 * cppinit.c (handle_option): Recognize -Wsystem_headers.
7732 (print_help): Describe -Wsystem_headers.
7733 * cpplex.c (lex_line): Reorganize condition so that warnings
7734 about C++ comments in system headers can be enabled. Remove
7735 label do_line_comment.
7737 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
7739 * cpplex.c (save_comment): Only store the initial '/'
7741 (lex_token): Combine handling of the two comment types.
7742 Pass everything but the initial '/' to save_comment.
7744 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
7746 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
7747 _cpp_can_paste): New library-internal prototypes.
7748 * cpplex.c (dump_param_spelling, output_line_command,
7749 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
7750 cpp_printf, cpp_output_list): Move to cppoutput.c.
7751 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
7752 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
7754 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
7755 dump_param_spelling, output_line_command, cpp_scan_buffer,
7756 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
7758 * Makefile.in: Add cppoutput.c.
7759 * po/POTFILES.in: Add cppoutput.c.
7761 2000-09-25 Richard Henderson <rth@cygnus.com>
7763 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
7764 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
7765 split until after reload.
7766 (rotlsi3, rotldi3): New.
7768 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
7770 * diagnostic.c (output_last_position): Define.
7771 (set_real_maximum_length): Tweek.
7772 * diagnostic.h (output_last_position): Declare.
7774 2000-09-25 Kazu Hirata <kazu@hxi.com>
7776 * config/i386/i386.c: Fix formatting.
7778 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
7780 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
7781 UNITS_PER_WORD is small.
7783 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
7785 * c-common.c (format_char_info): Add flags2; update comments.
7786 (print_char_table, scan_char_table, time_char_table): Split some
7787 flags out into flags2.
7788 (check_format_info): Use flags2 for those flags, for identifying
7789 the initial character of a scanf scanset, and for identifying
7790 printf formats where the '0' flag is ignored with precision.
7792 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
7794 Changes below marked "here" add TABs on either or both sides,
7795 covering start of line, up to any operand for all noted .*ASM.*_OP
7796 definitions. All callers changed.
7797 * tm.texi: Make documented *_ASM.*_OP:s include spacing
7798 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
7799 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7800 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7801 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
7802 Fix typos in description for LONG_LONG_TYPE_SIZE and
7803 FINI_SECTION_ASM_OP.
7804 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
7805 why these defaults don't have leading spacing.
7806 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
7807 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7808 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
7809 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
7810 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
7811 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
7812 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
7813 * varasm.c (ASM_STABS_OP): Here.
7814 * xcoffout.h (ASM_STABS_OP): Here.
7815 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7816 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7817 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
7818 STRING_ASM_OP): Here.
7819 * config/freebsd.h (IDENT_ASM_OP): Here.
7820 * config/linux-aout.h (SET_ASM_OP): Here.
7821 * config/linux.h (SET_ASM_OP): Here.
7822 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7824 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7825 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
7826 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7827 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7829 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7830 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7831 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
7832 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7833 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
7834 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7835 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
7836 * config/a29k/udi.h (INT_ASM_OP): Here.
7837 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
7838 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7840 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
7841 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7842 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7843 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
7844 ASM_STABD_OP): Here.
7845 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
7846 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
7847 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7848 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
7849 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
7850 SIZE_ASM_OP, STRING_ASM_OP): Here.
7851 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
7852 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
7853 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
7854 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
7855 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
7856 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
7858 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7859 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
7860 * config/arm/coff.h (INT_ASM_OP): Here.
7861 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7862 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
7863 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
7864 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
7865 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7866 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7867 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
7868 STRING_ASM_OP): Here. Update documentation copy in comments.
7869 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
7870 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
7871 DATA_SECTION_ASM_OP): Here.
7872 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
7874 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
7875 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7876 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7877 BSS_SECTION_ASM_OP): Here.
7878 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7879 BSS_SECTION_ASM_OP): Here.
7880 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7882 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
7883 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7884 * config/h8300/h8300.h (ASM_WORD_OP): Here.
7885 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7886 BSS_SECTION_ASM_OP): Here.
7887 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
7888 * config/i386/bsd.h (ASM_BYTE_OP): Here.
7889 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
7890 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
7891 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
7893 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
7894 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
7896 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
7897 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7898 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
7899 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7901 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
7902 * config/i386/netbsd.h (INT_ASM_OP): Here.
7903 * config/i386/openbsd.h (INT_ASM_OP): Here.
7904 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
7905 IDENT_ASM_OP): Here.
7906 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
7907 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
7908 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
7909 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
7910 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
7911 SHARED_BSS_SECTION_ASM_OP): Here.
7912 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
7913 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7914 DATA_SECTION_ASM_OP): Here.
7915 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7916 CONST_SECTION_ASM_OP): Here.
7917 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
7918 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7919 BSS_SECTION_ASM_OP): Here.
7920 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
7921 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
7922 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
7923 BSS_ASM_OP): Here, but use trailing spaces.
7924 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7925 DATA_SECTION_ASM_OP): Here.
7926 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
7928 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
7929 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
7930 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7931 TDESC_SECTION_ASM_OP): Here.
7932 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
7933 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7934 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7936 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7937 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7938 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7939 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7940 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
7941 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
7942 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7943 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
7944 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
7945 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
7946 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7947 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7949 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7950 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7951 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
7952 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
7953 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
7954 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
7955 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
7956 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7957 GLOBAL_ASM_OP): Here.
7958 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
7959 BSS_SECTION_ASM_OP): Here.
7960 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
7961 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7962 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
7963 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
7965 * config/m68k/newsgas.h (SET_ASM_OP): Here.
7966 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
7967 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7968 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7969 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7970 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
7971 but use trailing spaces.
7972 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
7973 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
7974 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
7976 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7977 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7978 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7979 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7980 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7981 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
7982 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
7983 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
7984 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
7985 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
7986 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7987 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
7989 * config/m88k/openbsd.h (SET_ASM_OP): Here.
7990 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7991 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7992 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
7993 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
7994 DTORS_SECTION_ASM_OP): Here.
7995 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
7996 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7997 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
7998 BSS_SECTION_ASM_OP): Here.
7999 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
8000 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
8001 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
8002 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
8003 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
8004 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
8005 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
8006 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
8008 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
8010 * config/mips/osfrose.h (SET_ASM_OP): Here.
8011 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
8012 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
8013 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
8014 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8016 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
8017 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
8018 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
8019 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
8020 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
8021 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8023 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8025 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
8026 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
8027 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
8029 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
8030 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
8031 * config/sparc/linux.h (COMMON_ASM_OP): Here.
8032 * config/sparc/linux64.h (COMMON_ASM_OP,
8033 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
8034 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
8035 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8036 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
8037 * config/sparc/pbd.h (ASM_INT_OP): Here.
8038 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
8039 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
8040 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
8041 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
8042 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
8043 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
8044 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
8045 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
8046 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
8047 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8048 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8049 EH_FRAME_SECTION_ASM_OP): Here.
8050 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
8051 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8053 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8055 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
8056 TCOMMON_ASM_OP): Here.
8057 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8059 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8062 2000-09-25 Richard Henderson <rth@cygnus.com>
8064 * expmed.c (store_bit_field): Adjust last change to not consider
8065 any word-sized field naturally aligned.
8067 2000-09-24 Richard Henderson <rth@cygnus.com>
8069 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
8070 TFmode unordered compares properly. Revalidate integer compare
8072 (alpha_emit_setcc): New.
8073 (alpha_emit_conditional_move): Revalidate integer compare operands.
8074 * config/alpha/alpha-protos.h: Update.
8075 * config/alpha/alpha.md (cmpdi): Allow general operands.
8076 (sne): Use alpha_emit_setcc.
8077 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
8078 (sunordered, sordered): New.
8080 2000-09-24 Richard Henderson <rth@cygnus.com>
8082 * config/ia64/ia64-protos.h: Update.
8083 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
8084 (ia64_expand_call): New.
8085 (ia64_expand_prologue): Emit an alloc if we need extra input
8087 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
8088 instruction if true.
8089 (struct reg_flags): Add is_sibcall.
8090 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
8091 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
8092 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
8093 * config/ia64/ia64.h (PREDICATE_CODES): Update.
8094 * config/ia64/ia64.md (call): Use ia64_expand_call.
8095 (call_value): Likewise.
8096 (sibcall, sibcall_value): New.
8097 (call patterns): Remove extra expanders; tidy.
8098 (sibcall_epilogue): New.
8099 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
8101 2000-09-24 Richard Henderson <rth@cygnus.com>
8103 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
8105 * sibcall.c (skip_pic_restore): New.
8106 (identify_call_return_value): Use it.
8108 2000-09-24 Mark Mitchell <mark@codesourcery.com>
8110 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
8111 functions. Generalize to handle both C and C++.
8112 * Makefile.in (c-tree.info): New target.
8113 (info): Add c-tree.info.
8115 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8117 * expr.c (store_field): If BITSIZE is negative, use size of type.
8118 (expand_expr, case COMPONENT_EXPR): Likewise.
8120 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
8122 * cpplex.c: Update TODO comment.
8123 * cpplib.c (do_error, do_warning): Merge common code of
8124 do_error and do_warning into do_diagnostic. Use it.
8125 (do_diagnostic): New function.
8126 * cpplib.h: Fix comment typo.
8128 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8130 * c-common.c (check_format_info): Warn for a wide character string
8131 used as a non-wide format argument.
8133 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8135 * builtins.def (BUILT_IN_LLABS): Add.
8136 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
8137 * c-common.c (c_common_nodes_builtins): Create builtin functions
8138 __builtin_llabs, and plain llabs unless no_nonansi_builtins
8139 outside of C99 mode.
8140 (expand_tree_builtin): Handle BUILT_IN_LLABS.
8142 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
8144 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
8145 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
8146 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
8147 _cpp_free_toklist): No need to worry about extra dummy token
8148 at the start of token lists any more.
8149 (trigraph_ok): Only warn outside comments.
8150 (skip_block_comment): Set and clear lexing_comment.
8151 (skip_line_comment): Take a cpp_reader not cpp_buffer.
8152 Set and clear lexing_comment.
8153 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
8154 (check_long_token): Delete.
8155 (lex_percent, lex_dot): New subroutines of lex_token to
8156 handle lexing of '.' and '%' without lookback.
8157 (lex_token): Use lex_dot and lex_percent.
8158 (lex_line): Don't check for LIST_OFFSET.
8159 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
8160 * cpplib.c (_cpp_parse_assertion): Similarly.
8161 (cpp_push_buffer): Initialize extra_char.
8162 * cpplib.h (LIST_OFFSET): Delete.
8163 (struct cpp_buffer): New member extra_char.
8164 (struct lexer_state): New members lexing_comment and seen_dot.
8166 2000-09-23 Jason Merrill <jason@redhat.com>
8168 * config/rs6000/x-aix41 (CLIB): Define here.
8169 * config/rs6000/t-aix43: Not here.
8170 * config/rs6000/t-aix41: Or here. Remove.
8171 * configure.in: Don't use it.
8173 2000-09-22 Jason Merrill <jason@redhat.com>
8175 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
8176 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
8177 * config.in: Regenerate.
8179 * configure.in: Fix checks for assembler features when using a
8180 one-tree assembler that has not yet been built.
8181 Fix --disable-threads.
8183 2000-09-19 Geoff Keating <geoffk@cygnus.com>
8185 * stmt.c (expand_asm_operands): Allow # in constraints.
8187 2000-09-22 Jason Merrill <jason@redhat.com>
8189 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
8191 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
8192 function-local names.
8194 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
8195 Mark Mitchell <mark@codesourcery.com>
8197 * toplev.c (warn_disabled_optimization): Declare new warning flag.
8198 * flags.h (warn_disabled_optimization): Add it here.
8199 * gcse.c (gcse_main): Add warning when disabled.
8200 * invoke.texi: Document -Wdisabled-optimization.
8202 2000-09-21 Jason Merrill <jason@redhat.com>
8204 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
8206 * dwarf2out.c (tree_add_const_value_attribute): New fn.
8207 (gen_variable_die): Call it for non-definitions.
8209 * dwarf2out.c (die_struct): Add die_mark field.
8210 (mark_dies, unmark_dies): New fns.
8211 (clear_die_sizes): Remove.
8212 (print_die): Check die_symbol rather than die_offset.
8213 (build_abbrev_table, output_pubnames, output_aranges): Check
8214 die_mark rather than die_offset.
8215 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
8218 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
8220 * cppfiles.c (lookup_include_file): Rename to open_file.
8221 Always create a splay tree value, even on syscall failures.
8222 Negative entries indicated by fd == -2.
8223 Re-open files closed in the meantime.
8224 (_cpp_fake_include): Create a negative splay tree entry.
8225 (find_include_file, cpp_read_file): Update for function name
8227 * gcc.gd/cpp/mi4.c: Testcase.
8229 2000-09-21 Nick Clifton <nickc@redhat.com>
8231 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
8232 ARM and THUMB modes.
8234 * config/mcore/mcore.c: Fix compile time warnings.
8235 * config/mcore/mcore-protos.h: Fix compile time warnings.
8237 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8239 * configure.in: Correct test of gcc_cv_glibc.
8240 * configure: Rebuilt.
8241 * config.in: Rebuilt.
8243 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8245 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
8246 (expand_builtin): Handle BUILT_IN_FWRITE.
8248 * builtins.def (BUILT_IN_FWRITE): New entry.
8250 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
8252 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8254 * gcc.c (modify_target): New variable and struct.
8255 (process_command): Handle MODIFY_TARGET_NAME.
8256 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
8257 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
8259 * c-decl.c (finish_decl): Add else's to avoid referencing
8260 TYPE_DOMAIN of an ERROR_MARK.
8262 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
8264 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
8267 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
8269 * config/avr/avr.md (neghi2): Add alternative for input and output
8270 operands in different registers, as in negsi2.
8271 (*negsi2): Remove '*' from the name. Use "movw" if available.
8273 2000-09-19 Jim Wilson <wilson@cygnus.com>
8275 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
8276 HAVE_GAS_HIDDEN macro.
8278 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
8280 * cpplex.c (lex_line): Drop the EOF token for unknown
8281 directives in assembler.
8283 2000-09-19 David Edelsohn <edelsohn@gnu.org>
8285 * configure.in: Allow enable_threads_flag value of "aix". Define
8286 thread_file as "aix" for AIX 4.3 and above.
8287 * configure: Regenerated.
8289 * gthr-aix.h: New file.
8291 * rs6000/t-aix43: Replace soft-float multilib with pthread.
8292 Remove 403 processor multilib match. Fix rios2 processor multilib
8295 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
8296 to return to appropriate csect.
8298 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8300 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
8302 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
8303 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
8306 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
8309 * c-common.c (init_function_format_info): Handle __builtin_printf.
8310 Set `check_function_format_ptr'.
8311 (c_common_nodes_and_builtins): Set `puts_ftype' and
8312 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
8313 __builtin_printf and printf.
8315 * tree.c, tree.h (check_function_format_ptr): Declare.
8317 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
8319 * cppfiles.c (read_include_file): Take no special action for
8322 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
8324 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
8325 rather than that of branch.
8326 (shorten_branches): Don't increment insn_current_address twice.
8328 Undo most of the Wed Jan 27 23:39:53 1999 patch:
8329 * loop.h (struct induction): Delete members derived, ix and last_use.
8330 (struct loop_ivs): Delete members first_increment_giv and
8332 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
8333 recombine_givs): Delete functions.
8334 (find_and_verify_loops): Don't initialize cont_dominator.
8335 (strength_reduce): Lose code to try to find bivs that can be
8336 expressed as givs of another biv, and to convert biv increments
8338 Lose loop_scan_start variable, always use loop->scan_start.
8339 Don't call recombine_givs. Don't handle derived givs.
8340 (record_giv): Don't initialize derived and last_use fields.
8341 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
8343 * unroll.c (derived_regs): Delete static variable.
8344 (unroll_loop): Don't initialize it.
8345 (copy_loop_body): Lose code to handle derived givs.
8346 (find_splittable_givs): Don't check for givs made from biv
8348 Don't set derived_regs.
8350 Fix misapplied earlier patch:
8351 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
8353 (floatsisf2): Generate floatsisf_ie by default.
8354 (floatsisf_i4): Conditional on TARGET_SH4.
8356 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
8357 predicate for the expanders.
8359 2000-09-19 Richard Henderson <rth@cygnus.com>
8361 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
8362 in addition to pentium and pentiumpro symbols.
8363 (CPP_CPU_DEFAULT_SPEC): Likewise.
8365 * c-typeck.c (c_expand_asm_operands): Restore the output tree
8368 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
8369 if the tree has side effects.
8370 (warn_if_unused_value): Do not warn about void constructs.
8372 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
8374 * unroll.c (copy_loop_body): Update LABEL_NUSES before
8375 calling invert_jump.
8377 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8379 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
8382 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8384 * Makefile.in (c-common.o): Depend on diagnostic.h.
8386 * c-common.c: Include diagnostic.h.
8388 (status_warning): New function.
8389 (check_format_info, maybe_read_dollar_number, check_format_types,
8390 finish_dollar_format_checking, check_function_format): Accept a
8391 `status' parameter. All callers changed.
8393 * c-common.h (check_function_format): Accept a `status' parameter.
8395 * c-typeck.c: Update call to `check_function_format'.
8397 2000-09-18 Richard Henderson <rth@cygnus.com>
8399 * c-decl.c (c_expand_body): Call mark_varargs before
8400 expand_function_start.
8402 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8404 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
8405 * config/rs6000/eabi-ci.asm: Likewise.
8407 2000-09-18 Richard Henderson <rth@cygnus.com>
8409 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
8412 2000-09-18 Jim Wilson <wilson@cygnus.com>
8414 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
8415 before passing it to fold_rtx_mult_add.
8417 * unroll.c (final_giv_value): Pass increment through
8418 extend_value_for_giv before passing it to emit_iv_add_mult.
8420 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
8421 paradoxical subreg, then directly substitute the replacement and
8424 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
8426 * cpp.texi: Update documentation, including some clarifications,
8427 the treatment of various newline combinations, and space between
8428 backslash and newline.
8430 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8432 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
8433 Replace ASM_OUTPUT_LABELREF with assemble_name.
8435 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8437 * sh.c (addsubcosts): CONST is not cheap.
8438 (find_barrier): For Sh1, take alignment after jumps into account.
8440 2000-09-15 Andrew Haley <aph@redhat.com>
8442 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
8443 remove all SETs of SUBREGs of hard registers.
8444 * function.c (purge_hard_subreg_sets): New function.
8445 (purge_single_hard_subreg_set): New function.
8446 * rtl.h: (purge_hard_subreg_sets): New function.
8448 2000-09-18 Richard Henderson <rth@cygnus.com>
8450 * config/ia64/ia64-protos.h: Update.
8451 * config/ia64/ia64.c (signed_inequality_operator): New.
8452 (ia64_expand_compare): New.
8453 (ia64_register_move_cost): Handle PR_REGS moves.
8454 (ia64_secondary_reload_class): Require a GR when moving to a PR.
8455 (struct reg_write_state): Add written_by_and/or.
8456 (struct reg_flags): Add is_and/or.
8457 (rws_update): Set them.
8458 (rws_access_regno): Test them to allow parallel comparisons.
8459 (rtx_needs_barrier): Recognize parallel comparisons.
8460 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
8461 Call recog_memoized; ignore pred_rel_mutex.
8462 (emit_predicate_relation_info): Don't call find_basic_blocks here.
8463 (ia64_reorg): Do it here instead.
8464 * config/ia64/ia64.h: s/CCmode/BImode/g
8465 (MODES_TIEABLE_P): Don't tie BImode.
8466 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
8467 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
8468 (RTX_COSTS): Make multiply 4 insns.
8469 (MEMORY_MOVE_COST): New.
8470 (PREDICATE_CODES): Update.
8471 * config/ia64/ia64.md: s/CCmode/BImode/g
8472 (movcci, movbi): New.
8473 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
8474 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
8475 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
8476 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
8477 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
8478 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
8479 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
8480 (mulsi, muldi): Use xmpy not xma.
8482 (movcc, movcc_internal): Remove.
8483 (branch expanders): Use ia64_expand_compare.
8484 (setcc expanders): Likewise.
8485 (cmov insns): Use move_operand and ia64_move_ok.
8486 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
8487 scheduler from moving it past a use.
8488 * config/ia64/build.hacks: Remove.
8490 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
8492 * cpphash.h (HASHSTEP): Take character rather than pointer
8494 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
8496 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
8498 * cpplex.c (auto_expand_name_space, trigraph_replace,
8499 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
8500 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
8501 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
8502 KNOWN_DIRECTIVE): Delete.
8504 (handle_newline, check_long_token, skip_escaped_newlines,
8505 unterminated): New functions.
8506 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
8508 (parse_identifier): Was parse_name, new implementation.
8509 (skip_line_comment, skip_block_comment, skip_whitespace,
8510 parse_number, parse_string, trigraph_ok, save_comment,
8511 adjust_column, _cpp_get_line): New implementations.
8513 (lex_token): New function. Lexes a token at a time, looking
8514 forwards. Contains most of the guts of the old lex_line.
8515 (lex_line): New implementation, using lex_token to obtain
8517 (cpp_scan_buffer): Use the token's line, not the list's line.
8519 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
8520 New implementations.
8521 (do_assert): Don't bother setting the answer's list's line.
8522 (cpp_push_buffer): Initialise new pfile and read_ahead members
8523 of struct cpp_buffer.
8525 * cpplib.h (cppchar_t): New typedef.
8526 (struct cpp_buffer): read_ahead, pfile and col_adjust are
8528 (struct lexer_state): New structure that determines the state
8529 and behaviour of the lexer.
8530 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
8531 (struct cpp_reader): New member "state". Rename
8532 multiline_string_line and multiline_string_column. Delete
8533 col_adjust, in_lex_line members.
8534 (CPP_BUF_COLUMN): Update.
8536 2000-09-18 Richard Henderson <rth@cygnus.com>
8538 * combine.c (simplify_comparison): Shift a NOT out of a single
8541 * combine.c (if_then_else_cond): Canonicalize BImode true to
8543 * explow.c (trunc_int_for_mode): Likewise.
8545 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
8546 the NOT for De Morgan's rule.
8547 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
8548 of a comparison to the reverse comparison.
8550 * combine.c (try_combine): Allow split to create a single insn.
8552 * machmode.def: Add BImode. Add a column for bitsize.
8553 * machmode.h (DEF_MACHMODE): Adjust for extra column.
8554 (GET_MODE_BITSIZE): Use it.
8555 * rtl.c (DEF_MACHMODE): Adjust for extra column.
8556 (mode_bitsize): New.
8557 (mode_mask_array): Use bitsize.
8558 * combine.c (combine_simplify_rtx): Require inner and outer
8559 modes to match on nonzero_bits optimizations.
8561 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8563 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
8564 its entry in spill_reg_store.
8565 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
8566 * sh.c (reg_no_subreg_operand): New function.
8567 * sh-protos.h (reg_no_subreg_operand): Declare it.
8568 * sh.h (PREDICATE_CODES): Add it.
8569 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
8570 input operand that needs to be in fpul.
8571 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
8572 * sh.c (find_barrier): Take into account that machine_dependent_reorg
8573 might add new insns.
8575 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
8577 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
8579 (sh_expand_epilogue): Take the PIC register into account when
8580 computing the frame size.
8582 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
8583 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
8584 LABEL_REFs with a PIC-safe unspec.
8586 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8588 * c-common.c (check_format_info): Properly save the argument
8589 number and parameter for $ operand number formats in case width
8590 and precision arguments are also used. Allow printf width and
8591 precision arguments to have operand numbers even if none was
8592 specified for the main format, since this is OK for %*.*m. Only
8593 object to missing $ operand number if the format used requires an
8596 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8598 * c-common.c (format_char_info): Add 'W' flag to comment.
8599 (print_char_table, scan_char_table): Use it.
8600 (check_format_info): Use the 'W' flag to determine whether a
8601 format argument is written into.
8603 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8605 * c-common.c (check_format_types): Reorganise and clean up,
8606 checking earlier for ERROR_MARKs and making cur_type into its
8607 TYPE_MAIN_VARIANT where convenient.
8609 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8611 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
8613 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8615 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
8617 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
8618 * i386.c (struct builtin_description): New.
8619 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
8620 (mmx_reg_operand): Declare MODE arg as unused.
8621 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
8622 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
8623 ix86_expand_binop_builtin, ix86_expand_store_builtin,
8624 ix86_init_builtins, ix86_expand_builtin): New functions.
8625 * i386.h (ix86_builtins): New enumeration.
8626 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
8627 * i386.md (attr length_immediate): 0 for mmx/sse types.
8628 (attr prefix_0f): 1 for mmx/sse types.
8629 (setcc_2): Remove "*" so we get gen_setcc_2.
8630 (emms): Account for changed register numbering. Set "memory" attr
8632 (sfence): Set "memory" attr to unknown.
8634 2000-09-18 Andreas Jaeger <aj@suse.de>
8636 * configure.in: Define _GNU_SOURCE only when using the GNU C
8638 * configure: Regenerated.
8639 * config.in: Regenerated.
8641 2000-09-17 Mark Mitchell <mark@codesourcery.com>
8643 * cppinit.c (cpp_init): Don't use ANSI prototypes.
8644 * flow.c (flow_dump_loop): Likewise.
8645 (flow_loops_dump): Likewise.
8647 * c-typeck.c (c_start_case): Fix typo.
8649 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8651 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
8652 to int for plain complex which defaults to complex double. Do
8653 warn about defaulting to complex double if pedantic. Warn about
8654 complex integer types if pedantic. Warn about complex types if
8655 pedantic and not in C99 mode.
8656 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
8657 for complex conjugation.
8659 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8661 * contrib.texi: Update my entry.
8663 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
8665 * config/avr/avr.md (mcu_enhanced): New attribute.
8666 (mcu_mega): Likewise.
8667 (extendhisi2): Use mcu_enhanced.
8668 (zero_extendhisi2): Likewise.
8669 (call_insn): Use mcu_enhanced and mcu_mega.
8670 (call_value_insn): Likewise.
8671 (*sbrx_branch): Use mcu_mega.
8672 (*sbrx_and_branchsi): Likewise.
8673 (*sbrx_and_branchhi): Likewise.
8674 (*tablejump_lib): Likewise.
8676 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8678 * alias.c (true_dependence): Allow non-unchanging read to conflict
8679 with unchanging write.
8681 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
8682 (store_constructor): Pass alias_set to it.
8684 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
8685 TYPE_MAIN_VARIANT of ERROR_MARK.
8686 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
8688 * simplify-rtx.c (simplify_unary_operation): Add cases
8689 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
8691 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
8693 * expr.h (emit_library_call, emit_library_call_value): Delete
8695 * rtl.h (enum libcall_type): New.
8696 (emit_library_call, emit_library_call_value): Change fn_type arg to
8697 be of type enum libcall_type.
8698 * calls.c: Likewise for the function definitions. Several callers
8699 throughout changed to use the new enumeration appropriately.
8700 (emit_library_call_value_1): Likewise. Put back code to make libcall
8701 blocks of equal form, but only use it for the two new higher
8704 2000-09-16 Mark Mitchell <mark@codesourcery.com>
8706 Convert the C front-end to use function-at-a-time mode.
8707 * c-common.h: Include splay-tree.h.
8708 (C_DECLARED_LABEL_FLAG): New macro.
8709 (struct language_function): Add x_scope_stmt_stack and
8710 x_function_name_declared_p.
8711 (RECHAIN_STMTS): Move definition.
8712 (lang_statment_code_p): Likewise.
8713 (lang_expand_stmt): Likewise.
8714 (lang_expand_decl_stmt): New variable.
8715 (lang_expand_function_end): Likewise.
8716 (current_scope_stmt_stack): New function.
8717 (add_decl_stmt): Likewise.
8718 (add_scope_stmt): Likewise.
8719 (mark_stmt_tree): Likewise.
8720 (struct c_lang_decl): New structure.
8721 (DECL_SAVED_TREE): Define.
8722 (c_mark_lang_decl): New function.
8723 (c_expand_start_cond): Change prototype.
8724 (c_finish_then): New function.
8725 (c_finish_else): Likewise.
8726 (current_function_name_declared): Remove.
8727 (set_current_function_name_declared): Likewise.
8728 (mark_c_language_function): Declare.
8729 (case_compare): Likewise.
8730 (c_add_case_label): Likewise.
8731 (c_expand_expr): Likewise.
8732 (c_safe_from_p): Likewise.
8733 * c-common.c (lang_expand_function_end): New variable.
8734 (struct if_elt): Add if_stmt.
8735 (c_expand_start_cond): Add the if-statement to the statement-tree,
8736 rather than generating RTL.
8737 (c_finish_then): New function.
8738 (c_expand_start_else): Don't generate RTL.
8739 (c_finish_else): New function.
8740 (c_expand_expr_stmt): Don't generate RTL.
8741 (statement_code_p): Add SCOPE_STMT.
8742 (case_compare): New function.
8743 (c_add_case_label): Likewise.
8744 (mark_stmt_tree): Likewise.
8745 (c_mark_lang_decl): Likewise.
8746 (mark_c_language_function): Likewise.
8747 (c_expand_expr): Likewise.
8748 (c_safe_from_p): Likewise.
8749 * c-decl.c (c_stmt_tree): New variable
8750 (c_scope_stmt_stack): Likewise.
8751 (c_function_name_declared_p): Likewise.
8752 (lang_expand_expr_stmt): Remove.
8753 (poplevel): Don't call output_inline_function for nested
8755 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
8757 (redeclaration_error_message): Change means of computing whether
8758 or not a function is nested.
8759 (lookup_label): Don't call label_rtx.
8760 (init_decl_processing): Add more GC roots.
8761 (start_decl): Add DECL_STMTs to the statement-tree, rather than
8762 calling rest_of_decl_compilation.
8763 (finish_decl): Don't call expand_decl.
8764 (store_parm_decls): Begin the statement-tree, but don't generate
8766 (finish_function): Tie off the statement-tree. Call c_expand_body
8768 (c_expand_body): New function.
8769 (push_c_function_context): Save more information.
8770 (pop_c_function_contxt): Likewise.
8771 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
8772 (lang_mark_tree): Mark it.
8773 (current_stmt_tree): Adjust.
8774 (current_scope_stmt_stack): New function.
8776 (set_current_name_declared): Likewise.
8777 (c_begin_compound_stmt): Define.
8778 (c_expand_decl_stmt): Likewise.
8779 * c-lang.c: Include rtl.h and expr.h.
8780 (lang_init): Set more language-specific hooks.
8781 * c-lex.c: Include expr.h.
8782 * c-parse.in: Changes throughout to add statements to the
8783 statement-tree, rather than generating RTL after every statement.
8784 * c-semantics.c (lang_expand_decl_stmt): Define.
8785 (add_decl_stmt): New function.
8786 (add_scope_stmt): Likewise.
8787 (finish_stmt_tree): Tweak.
8788 (genrtl_expr_stmt): Likewise.
8789 (genrtl_decl_stmt): Handle local labels, and call
8790 lang_expand_decl_stmt if required.
8791 (genrtl_for_stmt): Fix line-number handling.
8792 (genrtl_case_label): Handle cleanups.
8793 (genrtl_asm_stmt): Don't call combine_strings.
8794 (genrtl_compound_stmt): Simplify.
8795 (expand_stmt): Handle SCOPE_STMTs.
8796 * c-tree.h (struct lang_decl): New structure.
8797 (C_DECLARED_LABEL_FLAG): Remove.
8798 (c_begin_compound_stmt): Declare.
8799 (c_expand_decl_stmt): Likewise.
8800 (c_expand_start_case): Rename to c_start_case.
8801 (c_finish_case): New function.
8802 * c-typeck.c (start_init): Tweak setting of
8803 constructor_incremental.
8804 (c_expand_asm_operands): Tweak error-handling. Add to the
8806 (c_expand_return): Add to the statement-tree.
8807 (c_expand_start_case): Rename to ...
8808 (c_start_case): ... this.
8809 (struct c_switch): New type.
8810 (switch_stack): New variable.
8811 (do_case): Simplify.
8812 (c_finish_case): New function.
8813 * dependence.c: Include expr.h.
8814 (enum dependence_type): Change spelling of enumerals.
8815 (check_node_dependence): Adjust.
8816 * expr.h (lang_safe_from_p): Declare.
8817 (safe_from_p): Likewise.
8818 * expr.c (lang_safe_from_p): New variable.
8819 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
8820 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
8821 * toplev.c (rest_of_decl_compilation): Robustify.
8822 * tree.c (contains_placeholder_p): Likewise.
8823 * Makefile.in: Update dependencies.
8824 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
8825 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
8826 (objc_expand_function_end): New function.
8827 (finish_method_def): Use it.
8828 (init_objc): Initialize more language-specific hooks.
8829 * objc/Make-lang.in: Update dependencies.
8831 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
8833 * configure.in: Define macros that affect features before
8834 testing for features. Don't define _XOPEN_SOURCE.
8835 * configure: Regenerated.
8836 * config.in: Regenerated.
8838 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
8840 * rtlanal.c (rtx_varies_p): Volatile asms vary.
8841 (rtx_unstable_p): Restructure code. Volatile asms
8844 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8846 * function.h (no_debugging_symbols): New field.
8847 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
8848 Initialize no_debugging_symbols.
8849 (output_inline_function): Save and restore write_symbols and set from
8850 no_debugging_symbols.
8851 * toplev.c (rest_of_compilation): Call save_for_inline.
8852 * tree.h: Update comment.
8854 * stor-layout.c (place_field): Don't do anything if field or
8855 its type are ERROR_MARK.
8857 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
8859 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
8860 (read_include_file): Ensure inc->mmaped is initialized.
8862 2000-09-16 Richard Henderson <rth@cygnus.com>
8864 * cppiles.c (purge_cache): Use PTR not caddr_t.
8866 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
8868 * gcc.c: In description for %{<S}, say the option removed is -S.
8869 * invoke.texi (Spec Files): Ditto.
8871 2000-09-16 Andreas Jaeger <aj@suse.de>
8873 * configure.in: Always define _GNU_SOURCE to make interfaces
8874 visible that were hidden by only defining _GNU_SOURCE.
8875 * configure: Regenerated.
8877 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
8879 * cpplex.c (push_macro_context): Set an argument's level after
8880 calling parse_args. We could loop infinitely otherwise.
8882 2000-09-15 Tom Tromey <tromey@cygnus.com>
8884 * configure, config.in: Rebuilt.
8885 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
8887 2000-09-15 Greg McGary <greg@mcgary.org>
8889 * cppmacro.c (check_trad_stringification): Check token
8890 text pointers against limit before dereferencing.
8892 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
8894 * c-common.c (format_wanted_type): New structure.
8895 (check_format_types): New function.
8896 (check_format_info): Pass all checking of types of format
8897 arguments, including width and precision arguments, to this new
8900 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8902 * BUGS: Remove file.
8904 2000-09-15 Jakub Jelinek <jakub@redhat.com>
8906 * config/alpha/alpha.c (override_options): ev6 cache latencies
8907 from Richard Henderson. Don't allow -mmemory-latency=L0.
8909 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
8910 (TARGET_OPTIONS): Add tune=.
8911 (alpha_tune_string): Declare.
8912 * config/alpha/alpha.c (override_options): Add cpu_table.
8913 Use alpha_cpu_string first to set both alpha_cpu and target_flags
8914 and then alpha_tune_string to set alpha_cpu only.
8915 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
8916 * config/alpha/elf.h (ASM_FILE_START): Likewise.
8917 * config/alpha/osf.h (ASM_FILE_START): Likewise.
8918 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
8920 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8922 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
8924 (ix86_comparison_operator, ix86_cc_mode): Declare
8925 * i386.h (CCGC, CCGCO): New modes.
8926 (SELECT_CC_MODE): Move offline to ....
8927 * i386.c (ix86_cc_mode): .... here; use new modes.
8928 (ix86_comparison_operator): New.
8929 (fcmov_comparison_operator): Ensure proper mode.
8930 (put_condition_mode): More sanity checking.
8931 (ix86_match_ccmode): Handle new modes.
8932 (ix86_expand_fp_compare): GEU requires CCmode.
8933 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
8935 * i386.md (cmp?i_ccz_1): Remove
8936 (cmp?i_ccno_1): Use ix86_match_ccmode.
8937 (cmp?i_minus_1): New.
8938 (cmpsi_1): New expander.
8939 (cmpqi_ext_1): Use match_ccmode
8940 (cmpqi_ext_3): New expander.
8941 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
8942 (cmpqi_ext_4): Use match_ccmode.
8943 (add?i_?): Use match_ccmode.
8945 (test?i_ccz_1): Remove
8947 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
8948 (testqi_ext_0): Use ix86_match_ccmode.
8949 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
8950 (xorqi_cc_ext_1): New expander.
8951 (shift patterns): Use CCGOCmode for all shifts except for sar.
8952 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
8953 (setcc_3, jcc_3, miv?icc_c): Remove.
8955 2000-09-15 Will Cohen <wcohen@redhat.com>
8957 * dwarf2out.c (add_const_value_attribute): Changed array into a
8958 xmalloced object, so it exists after function exit.
8959 (free_AT): Added case for dw_val_class_float to free allocated
8962 2000-09-15 Kazu Hirata <kazu@hxi.com>
8964 * config/i386/i386.md: Fix a comment typo.
8965 * gcc.c: Fix formatting.
8967 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8969 * optabs.c (emit_libcall_block): If target is a user variable,
8970 copy to a temporary first.
8971 * expr.c (convert_move): When generating a libcall, make a libcall
8973 * calls.c (emit_library_call_value_1): Don't create a libcall
8974 sequence here; our caller will in most cases do it.
8976 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
8978 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
8979 * sh.md (reload_outsf): Generate recognizable patterns for
8981 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
8982 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
8983 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
8984 truncdfsf2_i4): Change not to use explicit references to fpul.
8985 (floatsisf2_ie): Remove USE of fpscr.
8986 (floatsisf2): Change default expansion to match this.
8987 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
8990 2000-09-15 Richard Henderson <rth@cygnus.com>
8992 * expmed.c (store_bit_field): Consider naturally aligned
8993 memory for direct reference.
8995 2000-09-15 Richard Henderson <rth@cygnus.com>
8997 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
8998 AND addresses into alias set 0.
8999 (alpha_expand_unaligned_store): Likewise.
9000 (alpha_expand_unaligned_load_words): Likewise.
9001 (alpha_expand_unaligned_store_words): Likewise.
9003 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
9005 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
9006 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
9008 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
9009 rsize of UNITS_PER_WORD.
9011 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
9013 * cpplex.c (ON_REST_ARG): Correct the test.
9014 (maybe_paste_with_next): Duplicate a token that fail pasting,
9015 and clear its PASTE_LEFT flag, so that nested pasting attempts
9018 2000-09-14 Richard Henderson <rth@cygnus.com>
9020 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
9021 * cse.c (rtx_cost): Likewise.
9022 * optabls.c (expand_binop): Likewise.
9023 (expand_twoval_binop, prepare_cmp_insn): Likewise.
9024 * regclass.c (copy_cost): Likewise.
9025 * reload1.c (reload_cse_move2add): Likewise.
9027 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
9029 * c-parse.in (reswords): Add _Complex.
9031 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9033 * gcc.1: Delete documentation for -undef preprocessor option.
9035 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
9037 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
9038 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
9039 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9040 Remove undefine before config/elfos.h.
9041 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
9043 2000-09-14 Kazu Hirata <kazu@hxi.com>
9045 * invoke.texi (H8/300 Options): Add -ms2600.
9046 * config/h8300.c (h8300_init_once): Output an error when -ms2600
9047 is used without -ms.
9048 * config/h8300.h (TARGET_MAC): New.
9049 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
9050 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
9051 machine other than H8/S2600.
9052 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
9055 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
9057 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
9058 pseudos that refer to the original pseudos, not only to their
9059 equivalent memory locations.
9061 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9063 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
9064 when making new MEM.
9066 * Makefile.in (LN): Remove duplicate definition.
9068 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9070 From Joern Rennecke:
9071 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
9072 on an insn and function_invariant_p returns nonzero for the source,
9073 add a REG_EQUAL note.
9075 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
9077 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
9078 conflict with frame_pointer_rtx.
9080 2000-09-13 Kazu Hirata <kazu@hxi.com>
9082 * loop.c: Fix formatting.
9085 2000-09-13 Richard Henderson <rth@cygnus.com>
9087 * config/ia64/ia64.md (divsf3): New.
9088 (divsf3_internal_lat, divsf3_internal_thr): New.
9089 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
9090 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
9091 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
9092 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
9093 (nmadddf4_alts, nmadddf4_trunc): New.
9094 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
9095 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
9096 (multf3_truncsf_alts, multf3_truncdf_alts): New.
9097 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
9098 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
9099 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
9100 (nmaddtf4_truncdf_alts): New.
9101 (recip_approx): Don't predicate.
9103 2000-09-13 Richard Henderson <rth@cygnus.com>
9105 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
9107 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9109 * flags.h (flag_dump_rtl_in_asm): Declare.
9110 * toplev.c (flag_dump_rtl_in_asm): Define.
9111 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
9112 if -dP is specified.
9113 * rtl.h (print_rtx_head): Declare.
9114 * print-rtl.c (print_rtx_head): Define.
9115 (print_rtx): Print the string pointed to by print_rtx_head
9116 at beginning of each dump line.
9117 (print_rtl): Likewise.
9118 (print_rtl_single): Likewise.
9119 * final.c (final_scan_insn): Dump the insn in the assembly
9121 * gcc.1: Document -dP option.
9122 * invoke.texi (Debugging Options): Likewise.
9124 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9126 * md.texi (Machine Constraints): Document the 68HC11 constraints.
9127 * install.texi (Configurations): Document the 68HC11&68HC12 port.
9128 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
9130 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
9132 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
9133 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
9134 (*clrstrqi): Likewise.
9135 (xorhi3,xorsi3,absqi2): Likewise.
9136 (one_cmplhi2,one_cmplsi2): Likewise.
9137 (addsi3): Two stupid constraint alternatives removed.
9138 (extendhisi2): Use `movw' for enhanced avr cores.
9139 (zero_extendhisi2): Likewise.
9141 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
9143 * alias.c (find_base_term): Use frame_pointer_rtx
9144 when handling an ADDRESSOF.
9146 * cse.c (canon_hash): Handle USE of BLKmode memory.
9147 (cse_insn): Outgoing arguments for a libcall don't
9148 affect any recorded expressions.
9150 2000-09-12 Tom Tromey <tromey@cygnus.com>
9152 * configure, config.in: Rebuilt.
9153 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
9155 2000-09-12 Jakub Jelinek <jakub@redhat.com>
9157 * c-lex.c (lex_string): Use charwidth to compute bytemask.
9158 * expr.c (expand_expr): Don't optimize constant array references
9159 initialized with wide string constants.
9161 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9163 * loop.c (note_set_pseudo_multiple_uses): Correct.
9165 2000-09-12 Jim Wilson <wilson@cygnus.com>
9167 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
9168 else block, and X has side-effects, then fail.
9170 2000-09-12 Greg McGary <greg@mcgary.org>
9172 * config/mips/mips-protos.h
9173 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
9174 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
9175 (PREDICATE_CODES): Add "trap_cmp_op".
9176 * config/mips/mips.c
9177 (trap_cmp_op, mips_gen_conditional_trap): New functions.
9178 * config/mips/mips.md (trap, conditional_trap): New patterns.
9180 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9182 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
9185 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9187 * builtins.c (built_in_decls): New array.
9188 (expand_builtin_fputs): New function.
9189 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
9191 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
9193 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
9195 * tree.h (built_in_decls): New array.
9197 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
9199 * convex.md: Use "+" instead of "=" for outputs wrapped in a
9201 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
9203 2000-09-12 Kazu Hirata <kazu@hxi.com>
9205 * haifa-sched.c: Fix formatting.
9207 * genattrtab.c: Fix formatting.
9209 * unroll.c: Fix formatting.
9211 2000-09-12 Bruce Korb <bkorb@gnu.org>
9213 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
9214 remove obsolete code
9215 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
9216 * fixinc/fixincl.tpl: make non-exported arrays static scope
9217 * fixinc/fixincl.x: regenerate
9218 * fixinc/fixlib.h: Use PARAMS, not _P_
9219 * fixinc/fixtests.c: make a type for the test proc & use it
9220 * fixinc/server.h: Use PARAMS, not _P_
9222 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9224 * c-typeck.c (process_init_element): Avoid union init warnings on
9225 floating point zero. Don't crash on unions containing structs.
9227 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
9229 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
9230 general_movsrc_operand, and remove CONST_INT from
9231 general_movdst_operand.
9233 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9235 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
9236 if a reference to non-fixed hardreg is seen. Otherwise, count hard
9237 regs with a higher cost.
9238 (preferrable): Deal with cases where either cost or regcost is
9240 (cse_insn): Use MAX_COST rather than 10000. Always initialize
9242 (COSTS_N_INSNS): Move definition...
9244 (MAX_COST): New macro.
9245 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
9248 2000-09-11 Mark Mitchell <mark@codesourcery.com>
9250 * c-common.h (genrtl_clear_out_block): Remove.
9251 * c-semantics.c (genrtl_clear_out_block): Remove.
9252 (genrtl_while_stmt): Don't call it.
9253 (genrtl_for_stmt): Likewise.
9255 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9257 * cppfiles.c: Move all default-#defines to top of file.
9258 (open_include_file): Replace by lookup_include_file.
9259 (read_with_read, read_file): Merged into read_include_file.
9260 (stack_include_file, purge_cache): New functions.
9261 (close_cached_fd): Delete.
9262 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
9263 Cache the in-memory buffer, not the file descriptor.
9265 * cpphash.h (struct include_file): Add buffer, st, refcnt,
9267 (xcnew): New utility macro.
9268 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
9269 * cpplib.h (struct cpp_buffer): Remove mapped field.
9271 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9273 * cpplex.c (parse_string): Accept backslash space newline as a
9275 (lex_line): Likewise.
9276 (_cpp_get_token): Remove hard limit on macro nesting.
9278 2000-09-12 Philipp Thomas <pthomas@suse.de>
9280 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
9281 * configure: Rebuilt.
9283 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9285 * flow.c (split_block): Fix update of registers live at
9288 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9290 * i386.md (add?i_3, add?i_5): New.
9291 (add?i_4): Rename from add?i_3; Fix compare pattern.
9292 (sub?i_3, xor?i_3, ior?i_3): New.
9294 * genrecog.c (write_tree): Output code to clear insn_extract cache.
9295 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
9296 instead of extract_insn and extract_constrain_insn_cache instead of
9297 extract_insn and constrain_operands.
9298 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
9300 (extract_insn): Clear which_alternative.
9301 (constrain_operands): Set which_alternative to -1 when failed.
9302 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
9305 2000-09-11 Matthew Hiller <hiller@redhat.com>
9307 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
9308 on operand 0 to '+'.
9309 (movstricthi): Likewise.
9311 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9313 * loop.h (LOOP_IVS): New macro.
9314 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
9315 (struct loop_ivs): New.
9316 (struct loop_info): Add ivs field.
9317 (reg_iv_type, reg_iv_info): Delete prototype.
9318 (reg_biv_class, loop_iv_list): Likewise.
9319 * loop.c (record_biv, find_life_end): Pass loop argument.
9320 (reg_iv_type): Remove global array and use
9321 field in loop_regs structure within loop_ivs structure.
9322 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
9323 (first_increment_giv, last_increment_giv): Use entry in
9325 (record_initial): Pass ivs pointer.
9326 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
9328 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9330 * loop.h (LOOP_REGS): New macro.
9331 (struct loop_regs): New.
9332 (struct loop_info): Add regs field.
9333 * loop.c (set_in_loop): Remove global array and store
9334 in loop_regs structure as part of loop_info structure.
9335 (n_times_set, may_not_optimize): Likewise.
9336 (reg_single_usage, moved_once): Likewise.
9337 (count_one_set): Add regs argument.
9338 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
9339 (set_pseudo_multiple_uses): Pass regs pointer.
9341 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9343 * unroll.c (iteration_info): Subsume into loop_iterations.
9344 * loop.h (loop_info): New field iv.
9346 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9348 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
9349 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
9350 (flow_loops_update): New prototype.
9351 (flow_loops_find): Add flags to prototype.
9352 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
9353 * flow.c (flow_loop_pre_header_scan): New.
9354 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
9355 (flow_loop_free): Free pre-header root and trace and exit dominators.
9356 (flow_loops_find): New argument flags.
9357 (flow_loops_update): New function.
9358 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
9360 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9362 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
9363 * flow.c (split_block, update_bb_for_insn): New functions.
9365 2000-09-11 Richard Henderson <rth@cygnus.com>
9367 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
9369 2000-09-11 Richard Henderson <rth@cygnus.com>
9371 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
9372 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
9373 (ia64_override_options): Prevent optimizing division for both
9374 latency and throughput.
9375 (rtx_needs_barrier): Handle frcpa.
9376 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
9377 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
9378 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
9379 (TARGET_SWITCHES): Add -minline-divide-min-latency and
9380 -minline-divide-max-throughput.
9381 (PREDICATE_CODES): Update.
9382 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
9383 (zero_extendsidi2): Likewise. Fix typo in f case insn.
9384 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
9385 (extendsftf2): Likewise.
9386 (extenddftf2): Likewise.
9387 (fix_trunctfdi2_alts): New.
9388 (fixuns_trunctfdi2_alts): New.
9389 (madd*4): Rename from madd*3.
9390 (divsi3, modsi3, udivsi3, umodsi3): New.
9391 (divsi3_internal): New.
9392 (divdi3, moddi3, udivdi3, umoddi3): New.
9393 (divdi3_internal_lat, divdi3_internal_thr): New.
9394 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
9395 (recip_approx): New.
9397 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
9399 * print-rtl.c (debug_call_placeholder_verbose): New variable.
9400 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
9402 * integrate.c (copy_rtx_and_substitute): Don't share
9403 LEAF_REG_REMAPpable registers with the inlined function. Don't
9404 share the function value with calling sequences.
9406 2000-09-11 Jakub Jelinek <jakub@redhat.com>
9408 * c-decl.c (do_case): Fix a typo.
9410 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
9411 to a if the comparison is floating mode and not -ffast-math.
9412 * simplify-rtx.c (simplify_ternary_operation): Likewise.
9414 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9416 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
9417 gen_ic_invalidate_line.
9419 2000-09-11 Philip Blundell <pb@futuretv.com>
9421 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
9423 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
9425 * install.texi (LANGUAGES): Update to include new languages.
9428 2000-09-11 DJ Delorie <dj@redhat.com>
9430 * gcc.c (main): Don't warn about unused -B prefixes
9431 (unused_prefix_warnings): remove
9433 2000-09-11 Kazu Hirata <kazu@hxi.com>
9435 * final.c: Fix formatting.
9437 * integrate.c: Fix formatting.
9439 2000-09-11 Geoff Keating <geoffk@cygnus.com>
9441 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
9443 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
9445 * reload.c (regno_clobbered_p): Fix thinko in previous change.
9447 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9449 * gcc.1: Document 68hc11 specific options.
9451 2000-09-10 Geoff Keating <geoffk@cygnus.com>
9453 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
9454 (TARGET_LONG_DOUBLE_128): Define.
9455 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
9456 (LONG_DOUBLE_TYPE_SIZE): Redefine.
9457 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9458 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
9459 of __LONG_DOUBLE_128__.
9460 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
9462 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
9463 (CPP_SYSV_DEFAULT_SPEC): Define.
9464 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
9465 (INIT_TARGET_OPTABS): Define.
9467 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
9468 (RS6000_UITRUNC): Likewise.
9469 (INIT_TARGET_OPTABS): New macro.
9470 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
9471 (trunc_defined): Delete.
9472 (output_prolog): Don't output .extern definitions for fp->int
9473 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
9474 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
9475 (trunc_defined): Delete.
9476 (RS6000_ITRUNC): Moved to aix.h.
9477 (RS6000_UITRUNC): Likewise.
9478 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
9479 only emit a libcall.
9480 (fixuns_truncdfsi2): Delete.
9481 (trunc_call): Delete.
9482 (trunc_call_rtl): Delete.
9484 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9486 * varasm.c (make_decl_rtl): Restore leading star on
9487 DECL_ASSEMBLER_NAME set for decls with an asmspec.
9489 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9491 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
9492 won't give a spurious error for '#pragma pack()'. Simplify
9493 control flow for readability. 'reset' action is not necessary.
9495 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9497 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
9498 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
9499 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
9500 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
9502 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
9503 profile.c, sdbout.c, tradcif.y, tree.c:
9504 Include defaults.h if not already included.
9505 Don't define the above macros.
9507 * Makefile.in: Update dependencies.
9509 2000-09-10 Mark Mitchell <mark@codesourcery.com>
9511 * c-common.h (add_stmt): Change prototype.
9512 (RECHAIN_STMTS): New macro.
9513 (CASE_LABEL_DECL): Likewise.
9514 (genrtl_case_label): Change prototype.
9515 (c_expand_start_case): Remove prototype.
9516 (build_case_label): Change prototype.
9517 (decl_constant_value): Declare.
9518 * c-common.c (check_case_value): Handle C++'s extensions to C
9520 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
9522 * c-parse.in (stmt): Adjust handling of return statements and case
9524 * c-semantics.c (add_stmt): Return the new statement.
9525 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
9526 returned expression. Directly generate RTL, rather than calling
9528 (genrtl_switch_stmt): Don't call c_expand_start_case.
9529 (build_case_label): Take the LABEL_DECL as input, too.
9530 (genrtl_case_label): Just call add_case_node.
9531 (expand_stmt): Adjust calls to genrtl_return_stmt and
9533 * c-tree.h (c_expand_start_case): Declare.
9534 * c-typeck.c (decl_constant_value): Give it external linkage.
9535 (c_expand_return): Don't call expand_return or expand_null_return;
9536 use genrtl_return_stmt instead.
9537 * stmt.c (struct nesting): Remove num_ranges field.
9538 (add_case_node): Give it external linkage.
9539 (expand_start_case): Don't set num_ranges.
9540 (expand_start_case_dummy): Don't clear it.
9541 (pushcase): Rely on add_case_node to handle `default' labels.
9542 (add_case_node): Handle `default' labels.
9543 * tree.c (tree_int_cst_compare): New function.
9544 * tree.h (tree_int_cst_compare): Declare.
9545 (add_case_node): Likewise.
9547 2000-09-10 Richard Henderson <rth@cygnus.com>
9549 * c-parse.in: Revert last change.
9550 (init_reswords): Do not enter disabled keywords into the ridpointers
9551 table, modulo objc weirdness.
9552 (_yylex): Return the canonical spelling for a keyword.
9554 2000-09-10 Philip Blundell <philb@gnu.org>
9556 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
9557 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
9559 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
9561 * alias.c (find_base_term): Handle ADDRESSOF.
9562 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
9564 2000-09-10 Denis Chertykov <denisc@overta.ru>
9566 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
9567 outputting templates with many lines.
9569 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9571 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
9572 to decide whether 64-bit support must be generated.
9574 2000-09-10 Richard Henderson <rth@cygnus.com>
9576 * c-parse.in (asm patterns): Fix volatile check.
9578 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9580 * cppmacro.c (check_trad_stringification): New function.
9581 (save_expansion): If -Wtraditional, warn about stringification of
9584 2000-09-11 Michael Hayes <mhayes@cygnus.com>
9586 * loop.h (struct loop_mem_info): Move from loop.c
9587 (struct loop_info): Add fields store_mems, mems, mems_idx,
9588 mems_allocated, unknown_address_altered,
9589 unknown_constant_address_altered, num_mem_sets, and
9590 first_loop_store_insn.
9592 * loop.c (loop_store_mems): Replace with field in loop_info struct.
9593 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
9594 (unknown_address_altered, unknown_constant_address_altered): Likewise.
9595 (num_mem_sets): Likewise.
9596 (replace_loop_mems, replace_loop_regs): New.
9597 (struct loop_replace_args): New.
9598 (load_mems): Use replace_loop_mems.
9599 (try_copy_prop): Use replace_loop_regs.
9600 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
9602 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9604 * configure.in: Recognize m6811-elf and m6812-elf.
9605 * configure: Regenerate.
9607 2000-09-09 Geoff Keating <geoffk@cygnus.com>
9609 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
9612 2000-09-10 Michael Hayes <mhayes@cygnus.com>
9614 * loop.c (struct movables): New.
9615 (num_movables): Move into struct movables.
9616 (the_movables): Change type to struct movables.
9617 (ignore_some_movables): Change struct movable arg to struct movables.
9618 (force_movables, combine_movables, regs_match_p): Likewise.
9619 (rtx_equal_for_loop_p, move_movables): Likewise.
9620 (scan_loop): Change movables to be of type struct movables.
9621 Replace last_movable with field in movables structure.
9623 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
9625 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
9626 (init_pragma): Avoid warning if pfile happens to be unused.
9627 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
9628 define init_pragma to nothing. Always prototype
9629 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
9631 * c-lex.c (process_directive): Always call dispatch_pragma.
9632 Initialize entering_c_header to 0.
9634 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9636 * config/m68hc11/m68hc11.md: New file, machine description for
9638 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
9639 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
9640 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
9641 * config/m68hc11/m68hc11-protos.h: New file.
9642 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
9643 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
9644 * config/m68hc11/xm-m68hc11.h: New file, target defs.
9645 * config/m68hc11/larith.asm: New file, libgcc routines.
9647 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9649 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
9650 (FPBIT_FUNCS): Add _usi_to_sf.
9651 * config/fp-bit.c (usi_to_float): New function.
9652 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
9653 (usi_to_float): Add appropriate #define.
9655 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9657 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
9659 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
9660 * i386.md (attr "type"): Add sse and mmx types.
9661 (attr "memory"): Handle them without a crash.
9662 (movsi_1, movdi_2): Allow MMX regs.
9663 (movdi splits): Don't split moves involving MMX regs.
9664 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
9665 (movv4sf_internal, movv4si_internal, movv8qi_internal,
9666 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
9667 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
9668 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
9669 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
9670 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
9671 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
9672 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
9673 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
9674 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
9675 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9676 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9677 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
9678 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
9679 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9680 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9681 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
9682 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
9683 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
9684 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
9685 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
9686 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9687 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9688 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
9689 mmx_clrdi): New patterns.
9691 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
9693 * arm.c: Don't include tm.h directly.
9695 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
9697 * recog.c (validate_replace_rtx_1): Fix confusion about equality
9698 testing; simplify subregs of constants and nested subregs.
9700 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
9702 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
9704 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9706 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
9708 * rtl.texi (description of USE): Add note about possible pitfalls
9710 From Richard Henderson:
9711 * reload1.c (choose_reload_regs): Compute need_mode properly.
9713 2000-09-07 Richard Henderson <rth@cygnus.com>
9715 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
9716 (__modsi3, __umodsi3): Likewise.
9717 (__udivsi3): Likewise. Normalize the TFmode values.
9719 2000-09-07 Geoff Keating <geoffk@cygnus.com>
9721 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
9723 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
9726 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9728 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
9729 (cmpeqdi_t): Add output pattern.
9730 (cmpeqdi_t+1): Don't split when not optimizing.
9731 Restore proper splitting operation.
9733 2000-09-07 Richard Henderson <rth@cygnus.com>
9735 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
9736 do not call dispatch_pragma.
9738 2000-09-07 Jim Wilson <wilson@cygnus.com>
9740 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
9741 to CLASS_CANNOT_CHANGE_MODE.
9742 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
9743 mode classes are different.
9745 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9747 * cpplib.h (struct cpp_options): Add user_label_prefix member,
9748 left out of commit which removed cppulp.c.
9750 2000-09-07 Richard Henderson <rth@cygnus.com>
9752 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
9753 after switch for CASE_DROPS_THROUGH.
9755 2000-09-07 Richard Henderson <rth@cygnus.com>
9757 * loop.c (strength_reduce): Call check_ext_dependant_givs.
9758 Properly extend the biv initial value for the giv.
9759 (record_biv): Zero ext_dependant.
9760 (record_giv): New argument ext_val. Update all callers.
9761 (general_induction_var): Likewise.
9762 (consec_sets_giv): Likewise.
9763 (simplify_giv_expr): Likewise. Fill in ext_val if we find
9764 a sign-extend, zero-extend, or truncate.
9765 (combine_givs_p): Make sure modes are compatible.
9766 (check_ext_dependant_givs): New.
9767 (extend_value_for_giv): New.
9768 * loop.h (struct induction): Add ext_dependant.
9769 * unroll.c (iteration_info): Extend the biv initial value for the giv.
9770 (find_splittable_givs): Likewise.
9771 (final_giv_value): Likewise.
9773 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9775 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
9776 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
9777 definitions from cpplib.h.
9778 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
9780 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
9781 documentation for REGISTER_TARGET_PRAGMAS.
9783 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
9784 default-pragma callback to implement -Wunknown-pragmas if
9786 * c-parse.in: Move all includes to top of file.
9787 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
9789 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
9791 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
9793 * arm.h, arm-protos.h, arm.c,
9794 c4x.h, c4x-protos.h, c4x.c,
9795 h8300.h, h8300-protos.h, h8300.c,
9796 i370.h, i370-protos.h, i370.c,
9797 i960.h, i960-protos.h, i960.c,
9798 sh.h, sh-protos.h, sh.c,
9799 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
9800 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
9802 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
9803 multiple include guard.
9804 * i370.md (untyped_call): Use GEN_CALL.
9805 (umodsi3): Remove unused variable.
9806 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
9807 * v850.c (output_move_single, output_move_double): Constify
9809 (print_operand): Constify a char *.
9810 * v850.h (struct small_memory_info): Constify name member.
9812 2000-09-07 Kazu Hirata <kazu@hxi.com>
9814 * config/h8300.h: Fix comment typos.
9815 * config/h8300/h8300.md: Likewise.
9816 * config/h8300/lib1funcs.asm: Likewise.
9818 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
9820 * Makefile.in: Remove references to cppulp.{c,o}.
9821 * cppinit.c (initialize_builtins, cpp_start_read,
9822 cpp_handle_option): Update to use cpp_options structure.
9825 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
9827 * c-common.c (time_char_table): Allow %#b and %#h.
9829 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9831 * reorg.c (find_end_label): If the basic block reorder pass moves the
9832 return insn to some other place try to locate it again and put our
9833 end_of_function_label there.
9834 * reorg.c (relax_delay_slots): Check if find_end_label created a
9835 new label that invalidates the current optimazation.
9837 2000-09-07 Catherine Moore <clm@redhat.com>
9839 * unroll.c (unroll_loop): Check for unconditional jumps
9840 to loop continuation. Delete if n_iterations is 1.
9841 (ujump_to_loop_cont): New routine.
9843 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
9845 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
9847 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
9848 to handle multiword modes correctly. All callers and the declaration
9851 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9853 * c-common.h (prep_stmt): Declare.
9854 (lang_expand_stmt): Likewise.
9855 * c-decl.c (lang_expand_stmt): Remove.
9856 * c-semantics.c (lang_expand_stmt): Define.
9857 (prep_stmt): New function.
9858 (expand_stmt): Handle common statement types here.
9860 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
9862 * configure.in (sh-*-linux*): Added.
9863 * configure: Rebuilt.
9864 * config/sh/t-linux: New file.
9865 * config/sh/sh.h (USERMODE_BIT): Define.
9866 (TARGET_USERMODE): Likewise.
9867 (TARGET_SWITCHES): New switches for the bits above.
9868 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
9869 * config/sh/linux.h: New file.
9870 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
9871 underscore on linux.
9872 (L_sdivsi3, L_udivsi3): Define for linux.
9873 (L_ic_invalidate): Define.
9874 * invoke.texi (SH Options): Document -musermode.
9876 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
9878 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
9879 CSE unless generating PIC.
9881 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
9884 2000-09-06 H.J. Lu (hjl@gnu.org)
9886 * Makefile.in (clean_s1): Depend on stage_b.
9887 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
9888 stage2. They are used for "make compare".
9890 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9892 Move statement-tree facilities from C++ to C front-end.
9893 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
9894 (void_zero_node): New macro.
9895 (struct stmt_tree_s): New type.
9896 (stmt_tree): New typedef.
9897 (struct language_function): New type.
9898 (last_tree): New macro.
9899 (last_expr_type): Likewise.
9900 (walk_tree_fn): New typedef.
9901 (current_stmt_tree): New function.
9902 (begin_stmt_tree): Likewise.
9903 (add_stmt): Likewise.
9904 (finish_stmt_tree): Likewise.
9905 (statement_code_p): Likewise.
9906 (lang_statement_code_p): New variable.
9907 (walk_stmt_tree): New function.
9908 (STMT_IS_FULL_EXPR_P): New macro.
9909 * c-common.c (lang_statement_code_p): New variable.
9910 (c_common_nodes_and_builtins): Initialize void_zero_node.
9911 (statement_code_p): New function.
9912 (walk_stmt_tree): Likewise.
9913 * c-decl.c (language_function): Rename to ...
9914 (c_language_function): ... this. Include language_function.
9915 (push_c_function_context): Adjust accordingly.
9916 (pop_c_function_context): Likewise.
9917 (mark_c_function_context): Likewise.
9918 (current_stmt_tree): Define.
9919 * c-semantics.c (begin_stmt_tree): New function.
9920 (add_stmt): Likewise.
9921 (prune_unused_decls): Likewise.
9922 (finish_stmt_tree): Likewise.
9924 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9926 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
9928 2000-09-06 Kazu Hirata <kazu@hxi.com>
9930 * calls.c: Fix formatting.
9932 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
9934 * config/i386/i386.h (ADDRESS_COST): Fix typo.
9936 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9938 Integrated preprocessor.
9940 * Makefile.in: Remove all references to c-parse.gperf,
9941 c-gperf.h, and c-parse.h. Remove -d from yacc command line
9942 generating c-parse.c. Update dependencies.
9943 * c-parse.gperf, c-gperf.h: Delete.
9945 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
9946 yy_lim, or yy_get_token. Don't define get_directive_line if
9948 * c-common.h: Add multiple include guard. Define RID values
9949 for every keyword in C, C++, and Objective C. Put all the
9951 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
9952 * c-decl.c (c_decode_option): Handle -lang-objc here.
9953 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
9954 (grokdeclarator): Adjust for new RID scheme.
9955 (extract_interface_info): New stub.
9956 * c-lang.c: Don't declare yy_cur or parse_options.
9957 (lang_init_options): Call cpp_init. Don't call
9959 (lang_init): Don't call check_newline if USE_CPPLIB.
9961 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
9962 Elide lots of unnecessary code if USE_CPPLIB. Delete code
9963 rendered unnecessary by new architecture. Move routines not
9964 shared with C++ to c-parse.in. Maintain a local idea of the
9965 line number. Handle C++ as well as C.
9966 [USE_CPPLIB]: Declare and register callbacks for #ident and
9967 for entering/leaving files.
9968 (init_c_lex, c_lex): Are now the entry points to this file.
9969 (check_newline): Break out directive handling to
9971 (read_ucs, is_extended_char, utf8_extend_token): Moved here
9973 (readescape, parse_float): Overhaul.
9974 (lex_number, lex_string, lex_charconst): Break out of c_lex
9976 (get_fileinfo, update_header_times, dump_one_header,
9977 dump_time_statistics): New and/or moved here from C++.
9978 Support per-file data needed by C++ and per-header timing
9979 statistics (C++ only, at the moment).
9980 * c-lex.h: Update prototypes. Add multiple include guard.
9981 * c-tree.h (struct lang_identifier): Add rid_code field.
9982 (C_IS_RESERVED_WORD, C_RID_CODE): New.
9984 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
9985 reinit_parse_for_function and/or position_after_white_space.
9986 (save_filename, save_lineno): Look ahead before saving.
9987 (label -> identifier ':'): Save file and line before shifting ':'.
9988 (reservedwords): No need to call get_identifier.
9989 (init_parse, finish_parse, yyerror, yylex, yyprint,
9990 make_pointer_declarator): Are now here for C/ObjC.
9991 (rid_to_yy): Conversion table from RID constants to Yacc codes.
9993 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
9994 #pragma registry. Provide dummy implementation of that
9995 interface if !USE_CPPLIB.
9996 * c-pragma.h: Update to match.
9998 * flags.h: Add multiple include guard.
9999 (flag_detailed_statistics): Moved here from C++.
10000 * toplev.c: Define flag_detailed_statistics.
10002 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
10004 * timevar.def (TV_CPP, TV_LEX): New.
10005 * timevar.h: Add multiple include guard.
10007 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
10009 * objc/objc-act.c: Don't mention yy_cur or parse_options.
10010 Initialize cpplib properly. Force lineno to 0 after first
10011 call to check_newline. Don't handle -lang-objc here.
10012 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
10014 2000-09-06 David Edelsohn <edelsohn@gnu.org>
10016 * rs6000.md: Correct function unit definitions for cr_logical and
10018 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
10019 and use portable method for >=0 and floating point >=. Remove
10020 associated matchers.
10022 2000-09-06 Mark Mitchell <mark@codesourcery.com>
10024 * extend.texi: Mark named return value extension as deprecated.
10026 2000-09-06 Geoff Keating <geoffk@cygnus.com>
10028 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
10031 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
10033 * toplev.c (display_help): Fix thinko in documentation.
10035 * diagnostic.h (output_buffer::indent_skip): New fields.
10036 (output_indentation): New macro.
10038 * diagnostic.c (output_indent): New function.
10039 (output_set_prefix, clear_diagnostic_info): Use.
10040 (output_emit_prefix): Predict future indentation.
10042 2000-09-06 DJ Delorie <dj@redhat.com>
10044 * Makefile.in (stage_*): add more dependencies to ensure parallel
10045 builds build correctly
10047 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
10049 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
10050 not bootstrap-lean_f.
10052 2000-09-06 Andreas Schwab <schwab@suse.de>
10054 * mklibgcc.in: Emit rule for libgcc-stage-start.
10055 * Makefile.in (stage1-start, stage2-start, stage3-start,
10056 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
10058 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
10060 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
10061 (update_equiv_regs): Likewise, except for the mn10200 kludge.
10062 (combine_regs): Likewise.
10064 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
10065 * cse.c: Include "basic-block.h".
10066 (struct table_elt): New field REGCOST.
10067 (CHEAP_REG): Delete macro.
10068 (COST): Return 0 for REGs.
10069 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
10070 (notreg_cost): Return 0 for appropriate SUBREGs.
10071 (COSTS_N_INSNS): Return N * 2.
10072 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
10074 (CHEAPER): Use new function preferrable.
10075 (insert): Initialize REGCOST member.
10076 (find_best_addr): Use approx_reg_cost for estimation of register
10078 (cse_insn): Likewise.
10079 * loop.c (iv_add_mult_cost): New function.
10080 (add_cost, shift_cost, mult_cost): Delete variables.
10081 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
10082 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
10083 Make code that detects autoinc opportunities slightly less optimistic.
10084 (simplify_giv_expr): If expression contains other reg that is also a
10085 giv, only increment benefit if this is the only use of that reg.
10086 (consec_sets_giv): Take that change into account.
10087 (combine_givs): Slightly more verbose output.
10089 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
10090 not the cost of an equivalent shift.
10091 * sh-protos.h (addsubcosts): Declare.
10092 * sh.c (addsubcosts): New function.
10093 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
10094 (RTX_COSTS): Tweak. Use addsubcosts.
10095 (ADDRESS_COST): Return higher cost for reg+reg addressing.
10097 2000-09-06 Geoff Keating <geoffk@cygnus.com>
10099 * config/rs6000/rs6000.c (validate_condition_mode): New function.
10100 (branch_comparison_operator): Call validate_condition_mode to
10101 abort rather than returning 0.
10102 (branch_positive_comparison_operator): New function.
10103 (scc_comparison_operator): Call validate_condition_mode to abort
10104 rather than returning 0.
10105 (ccr_bit): Call validate_condition_mode. Update for
10107 (print_operand): Delete %C modifier. Update %E case
10108 to use EQ bit not SO bit.
10109 (rs6000_reverse_condition): New function.
10110 (rs6000_generate_compare): New function.
10111 (rs6000_emit_sCOND): New function.
10112 (rs6000_emit_cbranch): New function.
10113 (output_cbranch): The length of a long branch insn is
10114 now only 8 bytes. Add validate_condition_mode. Use
10115 rs6000_reverse_condition. Remove cror generation.
10117 * config/rs6000/rs6000.h: Update comments.
10118 (PREDICATE_CODES): Add new predicate. Update codes used
10119 by branch_comparison_operator and scc_comparison_operator.
10120 * config/rs6000/rs6000-protos.h: Add prototypes for
10121 new external functions.
10122 * config/rs6000/rs6000.md: Add new scheduling parameters
10123 for cr_logical instructions. Change length of branch
10125 (bCOND patterns): Call rs6000_emit_cbranch.
10126 (sCOND patterns): Call rs6000_emit_sCOND.
10127 (branch patterns): Change lengths to 4.
10128 (cr logical patterns): New.
10130 2000-09-06 Richard Henderson <rth@cygnus.com>
10132 * config/i386/i386.md (call_pop): Fix test for setting
10133 current_function_uses_pic_offset_table.
10134 (call, call_value_pop, call_value): Likewise.
10136 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
10138 * timevar.c (timevar_add): Delete.
10139 (timevar_get): Also count time since the selected timer was
10140 last updated. Do not examine the timevar stack if the
10141 selected timer is standalone.
10143 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10145 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
10147 2000-09-05 Jason Merrill <jason@redhat.com>
10149 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
10150 for 'extern' arrays.
10152 2000-09-05 Richard Henderson <rth@cygnus.com>
10154 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
10155 Eliminate final copy from non-trapping case.
10156 (__divdf3, __divsf3): Likewise.
10158 2000-09-05 Richard Henderson <rth@cygnus.com>
10160 * config/ia64/ia64.md (mulhi3): Fix typo last change.
10161 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
10163 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
10165 * Makefile.in: Restructure bootstrap stages to allow clean
10166 restart after failure.
10168 2000-09-05 Richard Henderson <rth@cygnus.com>
10170 * config/ia64.md (movsi and movdi patterns): Allow moves from
10171 8-bit constants to AR registers.
10173 2000-09-05 Richard Henderson <rth@cygnus.com>
10175 * config/ia64/ia64.md (mulhi3): New.
10177 2000-09-05 Richard Henderson <rth@cygnus.com>
10179 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
10180 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
10181 Optimization Guide, minimum latency alternative.
10182 (__moddi3, __udivdi3, __umoddi3): Likewise.
10183 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
10185 2000-09-05 Bruce Korb <bkorb@gnu.org>
10187 * fixinc/fixincl.c (load_file): always read header files
10188 with sizes that are a multiple of the page size.
10189 & use libiberty's getpagesize for determining that.
10191 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
10193 * gcse.c (hash_string_1): Add prototype.
10194 * cse.c (canon_hash_string): Likewise.
10196 2000-09-04 Craig Newell <CraigN@ieee.org>
10198 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
10200 2000-09-04 Andreas Schwab <schwab@suse.de>
10202 * Makefile.in (STAGESTUFF): Remove libgcc.
10203 (stage1-start, stage2-start, stage3-start): Copy the contents of
10204 the libgcc directory explicitly.
10205 (mostlyclean): Clean libgcc.
10207 2000-09-04 Andrew Haley <aph@redhat.com>
10209 * dwarf2out.c: (stack_adjust_offset): New prototype.
10211 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
10213 * combine.c (make_extraction): Fix rtx_cost comparison to
10216 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
10218 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
10219 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
10220 Add '*' to insn pattern name.
10222 2000-09-04 Jakub Jelinek <jakub@redhat.com>
10224 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
10225 use posn - 1 to index into tokens array.
10226 (maybe_paste_with_next): Adjust caller.
10228 2000-09-03 Geoff Keating <geoffk@cygnus.com>
10230 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
10232 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
10233 (REGNO_REG_CLASS): Use symbolic register
10236 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
10238 * arm.c (final_prescan_insn): If the form of a jump insn isn't
10239 recognized, don't try to conditionally execute it.
10241 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
10243 * config/avr/avr.md ("*tablejump_lib"): New pattern.
10244 (call_value_insn): Right length claculation.
10245 (call_insn): Likewise.
10247 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
10249 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
10250 gas_output_limited_string, gas_output_ascii, output_movqi,
10251 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
10252 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
10253 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
10254 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
10255 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
10256 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
10257 Add "const" as needed to remove warnings.
10259 * config/avr/avr.c (avr_override_options, avr_init_once,
10260 function_prologue, function_epilogue, frame_pointer_required_p,
10261 class_likely_spilled_p, order_regs_for_local_alloc,
10262 avr_address_cost, avr_ret_register): Use K&R style arguments.
10263 (initial_elimination_offset, gas_output_limited_string):
10264 Remove ATTRIBUTE_UNUSED from the used arguments.
10265 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
10266 Use local variables src, dest, base to access operands[].
10267 Rename reg_dest to reg_src if that's what it is.
10268 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
10269 constants to LD_REGS if reg_was_0.
10270 (output_reload_insisf): Change arg 3 to insn length and set it.
10271 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
10272 access to 16-bit I/O register pairs.
10273 (avr_address_cost): Lower cost for the above case.
10274 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
10275 may be clobbered, also for LD_REGS.
10276 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
10279 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
10281 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
10282 macro to test_hard_reg_class function.
10283 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
10284 for loading immediate constants to LD_REGS.
10285 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
10288 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
10290 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
10291 * config/avr/libgcc.S: Lost part of the previous patch.
10293 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10295 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
10296 object before calling pthread_mutex_init.
10298 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
10300 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
10301 config/sh/crtn.asm: New files.
10302 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
10303 (crt1.o, crti.o, crtn.o): New targets.
10304 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
10306 * configure: Rebuilt.
10307 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
10308 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
10309 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
10310 Undefine for config/elfos.h to redefine.
10311 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
10313 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10315 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
10316 legitimize_pic_address, output_pic_addr_const): Declare.
10317 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
10318 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
10319 (TARGET_SWITCHES): New switch -mprefergot.
10320 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
10321 (PIC_OFFSET_TABLE_REGNUM): Define.
10322 (GOT_SYMBOL_TABLE): Likewise.
10323 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
10324 (ENCODE_SECTION_INFO): Define.
10325 (FINALIZE_PIC): New macros.
10326 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
10327 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
10328 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
10329 (prepare_move_operands): Call emit_pic_move or
10330 emit_pic_const_move if appropriate.
10331 (output_far_jump): For PIC, use braf and output long offset.
10332 (machine_dependent_reorg):
10333 (sh_expand_prologue): Save and initialize the PIC register.
10334 (sh_expand_epilogue): Restore it.
10335 (initial_elimination_offset): Account for it.
10336 (nonpic_symbol_mentioned_p): New function.
10337 (legitimize_pic_address): Likewise.
10338 (output_pic_addr_const): Likewise.
10339 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
10340 (call, call_value): Use them.
10341 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
10342 symPLT_label2reg): New expands.
10343 * invoke.texi (SH Options): Document -mprefergot.
10345 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
10347 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
10348 * gcse.c (hash_string_1): New function.
10349 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
10350 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
10351 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
10352 (canon_hash_string): New function.
10353 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
10354 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
10355 (fold_rtx): Use ASM_OPERANDS accessor macros.
10356 * emit-rtl.c (copy_insn_1): Likewise.
10357 * integrate.c (copy_rtx_and_substitute): Likewise.
10358 * stmt.c (expand_asm_operands): Likewise. Give an
10359 ASM_OPERANDS rtx the mode of the output reg being set from it.
10361 2000-09-01 Fred Fish <fnf@be.com>
10363 * fix-header.c (write_rbrac): Add putc and getc to list of
10364 functions to protect against prior definition as a macro.
10366 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
10368 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
10369 (c_size_type_node): Define.
10370 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
10371 * c-common.c (enum format_lengths, enum format_std_version,
10372 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
10373 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
10374 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
10375 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
10376 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
10377 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
10378 format_types): Define.
10379 (format_char_info, print_char_table, scan_char_table,
10380 time_char_table): Rearrange for new organization of information
10381 about format length modifiers and standard versions.
10382 (T_ST): Redefine to use c_size_type_node.
10383 (check_format_info): Obtain information about length modifiers and
10384 standard versions from tables. Adjust warning message wordings.
10385 Use the name from the user's program for `ll' and `hh' length
10386 modifiers in warning messages. Use more informative names for
10387 wanted types where available (for wchar_t, wint_t, size_t, signed
10388 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
10390 2000-09-01 Jim Wilson <wilson@cygnus.com>
10392 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
10393 * combine.c (distribute_notes): Handle REG_NORETURN.
10394 * rtl.c (reg_note_name): Add REG_NORETURN.
10395 * rtl.h (enum reg_note): Likewise.
10397 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
10399 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
10400 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
10401 (emit_predicate_relation_info): Handle conditional calls with
10403 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
10404 instead of ia64_file_start.
10405 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
10406 * config/ia64/ia64.md (safe_across_calls_all,
10407 save_across_calls_normal): New patterns.
10409 * loop.c (check_final_value): Check for biv use before checking for
10410 giv use. Check for both biv and giv uses. Always set last_giv_use
10411 if there is a giv use.
10413 2000-09-01 Richard Henderson <rth@cygnus.com>
10415 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
10416 (madddi3): Likewise.
10419 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10421 * expr.c (clear_storage): Don't use emit_move_insn unless
10422 either BLKmode or proper size.
10423 (store_constructor): Don't call clear_storage if REG of wrong size.
10425 * flow.c (init_propagate_block_info): Don't mark frame dead at end
10426 of function if returns wiht stack pointer depressed.
10428 2000-09-01 Andrew Haley <aph@redhat.com>
10430 * dwarf2out.c (stack_adjust_offset): New function.
10431 (dwarf2out_stack_adjust): Break out stack adjust logic into
10432 new stack_adjust_offset function. Look inside parallels and
10433 sequences for stack adjustments.
10435 2000-08-31 Jeff Law <law@cygnus.com>
10437 * arm.md: Use no_new_pseudos to determine when it is safe
10438 to create new pseudo registers.
10440 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
10441 when we can safely allocate new registers.
10443 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
10445 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
10446 so that CONCATs are not generated for ASMs.
10447 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
10448 not generating_concat_p.
10449 * function.c (pop_function_context_from): Reset
10450 generating_concat_p.
10451 (prepare_function_start): Likewise.
10452 * rtl.c (generating_concat_p): Define.
10453 * rtl.h (generating_concat_p): Declare.
10454 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
10456 2000-08-22 Philipp Thomas <pthomas@suse.de>
10457 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
10459 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
10462 2000-08-30 Greg McGary <greg@mcgary.org>
10464 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
10465 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
10466 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
10468 2000-08-30 Greg McGary <greg@mcgary.org>
10470 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
10471 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
10472 (TREE_INT_CST): New macro.
10473 * varasm.c (const_hash, compare_constant_1, record_constant_1):
10474 Use new macro TREE_INT_CST.
10476 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
10478 * contrib.texi: Add self.
10480 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
10482 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
10483 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
10486 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10488 * fixinc/gnu-regex.c: Don't define `const'.
10490 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10492 * expr.c (store_constructor): Allow variable bounds of array type.
10493 (expand_expr): Don't blow up if type is ERROR_MARK.
10494 * varasm.c (output_constructor): Don't access lower bound of array
10495 type unless need it if index is supplied (so it can be a variable
10496 if no index is supplied).
10497 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
10498 Other minor cleanups.
10500 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10502 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
10503 for compilations in stage 1 and subsequent stages, respectively.
10504 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
10505 * configure: Rebuilt.
10506 * x-vax, x-vax-gcc: Deleted.
10508 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10510 * c-common.c (declare_function_name): Use func_id_node,
10511 function_id_node, and pretty_function_id_node. Do not make
10512 __func__ visible at file scope.
10513 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
10514 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
10515 (function_id_node, pretty_function_id_node, func_id_node): New
10517 * c-decl.c (init_decl_processing): Initialize function_id_node,
10518 pretty_function_id_node, and func_id_node.
10519 (c_make_fname_decl): Correct comment.
10521 * tree.h (struct tree_identifier): Constify pointer member.
10523 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
10524 * c-pragma.h (struct weak_syms): Constify name and value members.
10525 (add_weak): Constify arguments.
10527 * calls.c (special_function_p): Constify a char *.
10528 (expand_call): Remove variable which is initialized and then
10530 * dependence.c (struct def_use, struct induction, struct subscript):
10531 Constify 'variable' member.
10532 (get_low_bound, have_induction_variable): Constify char * argument.
10533 (find_induction_variable): Add braces to avoid dangling else.
10534 (classify_dependence): Constify char * arrays.
10535 * profile.c (output_func_start_profiler): Constify a char *.
10536 * stor-layout.c (finalize_record_size): Constify a char *.
10537 * tree.c (is_attribute_p): Constify a char *.
10538 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
10540 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
10541 for comprehensibility. Do not call get_identifier if we did
10542 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
10543 create temporary string constants, not ggc_alloc_string. No
10544 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
10545 char * to hold IDENTIFIER_POINTERs.
10547 2000-08-29 Richard Henderson <rth@cygnus.com>
10549 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
10552 2000-08-29 Richard Henderson <rth@cygnus.com>
10554 * reload.c (push_secondary_reload): Allow class == reload_class
10555 if we're using a reload_in/out pattern.
10557 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
10558 the half that does not conflict with the reload register.
10559 (reload_outti): Likewise.
10561 2000-08-29 Kazu Hirata <kazu@hxi.com>
10563 * reload.c: Fix formatting.
10565 * stmt.c: Fix formatting.
10567 * gcc.c: Fix formatting.
10569 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10571 * flags.h (time_report, mem_report): New global flags.
10572 * toplev.c: Define time_report and mem_report.
10573 (f_options): Add -ftime-report and -fmem-report.
10574 (compile_file): Turn on time_report if quiet_flag is off.
10575 Call ggc_print_statistics at very end if mem_report is on.
10576 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
10578 * ggc-common.c (ggc_print_statistics): Rename to
10579 ggc_print_common_statistics; all callers changed. Scale
10580 quantities above 10K to kilobytes and above 10M to megabytes.
10581 * ggc-page.c (ggc_page_print_statistics): Rename to
10582 ggc_print_statistics. Report memory consumed by internal data
10583 structures for each allocation bucket. Scale quantities above
10584 10K to kilobytes and above 10M to megabytes.
10585 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
10586 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
10587 Define tally_leaves always.
10588 (ggc_print_statistics): New function.
10589 * ggc.h: Adjust for renamed functions.
10591 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
10593 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
10594 output_movsisf instead of which_alternative.
10596 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
10598 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
10600 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
10601 (avr_progmem_p): New prototype.
10602 (output_movsisf): Prototype declaration changed.
10603 (output_movqi): New prototype.
10604 (output_movhi): New prototype.
10605 (call_insn_operand): Likewise.
10606 (final_prescan_insn): Likewise.
10607 (avr_simplify_comparision_p): Likewise.
10608 (avr_normalize_condition): Likewise.
10609 (compare_eq_p): Likewise.
10610 (out_shift_with_cnt): Likewise.
10611 (const_int_pow2_p): Likewise.
10612 (output_reload_inhi): Prototype declaration changed.
10614 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
10615 (ldi_reg_rtx): New. rtx for r31.
10616 (avr_init_stack): Initialize as "__stack".
10617 (function_prologue): Use it.
10618 Replace all TARGET_ENHANCED with AVR_ENHANCED.
10619 (avr_mcu_name): Initialize as "avr2".
10620 (avr_enhanced_p, avr_mega_p): New variables.
10621 (mcu_types, avr_override_options): Handle all known MCU types.
10622 Also handle avr1 (only preprocess, assemble and link).
10623 (print_operand): Using of `%K' in output template removed.
10624 (out_movqi_r_mr): Optimized.
10625 (out_movhi_r_mr): Likewise.
10626 (output_movqi): New function.
10627 (output_movhi): Likewise.
10628 (out_movsi_r_mr): Optimized.
10629 (output_movsisf): Compute insn length for `adjust_insn_length'
10630 (out_movqi_mr_r): Optimized.
10631 (out_movhi_mr_r): Optimized.
10632 (adjust_insn_length): Use output_movsisf, output_movqi,
10633 output_movhi for insn length adjusting.
10634 (reg_unused_after): Use dead_or_set_p.
10635 (preferred_reload_class): Now havn't any restriction.
10636 (reg_was_0): New function.
10637 (io_address_p): Likewise.
10638 (const_int_pow2_p): Likewise.
10639 (output_reload_inhi): Likewise.
10640 (output_reload_insisf): Likewise.
10642 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
10643 (LIB_SPEC): Use -lc for all supported devices.
10644 (LIBGCC_SPEC): Use -lgcc for all supported devices.
10645 (AVR_MEGA): Define as avr_mega_p.
10646 (AVR_ENHANCED): New, define as avr_enhanced_p.
10647 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
10648 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
10649 (CRT_BINUTILS_SPECS): Handle all known MCU types.
10650 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
10651 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
10652 (ASM_SPEC): Pass -mmcu=... to the assembler.
10653 Change all -DAVR_* to -D__AVR_*__.
10654 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
10655 Rename library functions to start with two underscores.
10656 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
10658 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
10659 (SUPPORTS_WEAK): Likewise.
10660 (LDI_REG_REGNO): New. Register r31 will be used as temporary
10661 register for loading constants to r0-r14.
10663 * config/avr/avr.md: Replace all TARGET_ENHANCED with
10665 (*mov_r_sp): Removed. Handled by output_movhi.
10666 (*mov_sp_r): Likewise.
10667 (*mov_sp_r_no_interrupts): Likewise
10668 (*mov_sp_r_tiny): Likewise.
10669 (*movqi): Use output_movqi.
10670 (*reload_inqi): New.
10671 (*movhi): Use output_movhi.
10672 (*reload_inhi): New.
10673 (*negsi2): Optimized.
10674 (*negsf2): Likewise.
10675 Added peepholes (define_peephole2) for loading constants to r0-r14
10676 and for using `cpse' command.
10678 * config/avr/libgcc.S: Rename library functions to start with two
10680 Add support for enhanced core.
10681 (_moqhi3): Fix typo, now _modqi3.
10682 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
10683 (__prologue_saves__): Remove test for stack adjust by 0.
10684 (__tablejump__): New.
10686 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
10687 Add multilib support.
10689 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
10691 * loop.c (prescan_loop): Don't check unknown_address_altered
10692 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
10693 to loop_store_mems as necessary.
10694 (loop_invariant_p): Don't check unknown_address_altered
10695 or unknown_constant_address_altered.
10697 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10699 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
10701 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10703 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
10704 print just the filename.
10705 * cpplex.c (_cpp_run_directive): Add additional argument, the
10706 name to give the synthetic buffer. This defaults to
10707 translated "<command line>".
10708 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
10710 (_cpp_define_builtin): New function.
10711 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
10712 * cpphash.h: Update prototypes.
10714 * tradcpp.c (main): Process -D and -U simultaneously, in the
10715 order they appeared on the command line.
10717 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10719 * c-decl.c (define_label): Call warning_with_file_and_line and
10720 error_with_file_and_line instead of plain warning or error.
10722 * c-parse.in (label): Use save_filename/save_lineno to ensure
10723 correct values for calls to define_label.
10725 2000-08-29 Mark Mitchell <mark@codesourcery.com>
10727 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
10729 * expr.c (expand_expr, case TARGET_EXPR): Don't call
10731 * tree.h (get_file_function_name): Remove two duplicate
10734 2000-08-28 Kazu Hirata <kazu@hxi.com>
10736 * tree.c: Fix formatting.
10738 * xcoffout.c: Fix formatting.
10740 2000-08-28 Jason Merrill <jason@redhat.com>
10742 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
10744 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10746 * dwarf2out.c (dwarf2out_finish): Don't bother calling
10747 break_out_includes if it won't do anything.
10749 2000-08-28 Richard Henderson <rth@cygnus.com>
10751 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
10752 (find_reloads): Likewise.
10753 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
10754 (reload_inhi): Likewise.
10756 2000-08-28 Richard Henderson <rth@cygnus.com>
10758 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
10759 (call_insn_operand): Don't expect a surrounding mem.
10760 (constant_call_address_operand): Likewise.
10761 * config/i386/i386.h (PREDICATE_CODES): Update.
10762 * config/i386/i386.md (call patterns): Move the match_operand
10763 for the call destination inside the mem.
10765 2000-08-28 Richard Henderson <rth@cygnus.com>
10767 * local-alloc.c (requires_inout): Don't use reserved range for
10768 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
10769 * recog.c (asm_operand_ok): Likewise.
10770 (preprocess_constraints, constrain_operands): Likewise.
10771 * regclass.c (record_reg_classes): Likewise.
10772 * reload.c (find_reloads): Likewise.
10773 * reload1.c (maybe_fix_stack_asms): Likewise.
10774 (reload_cse_simplify_operands): Likewise.
10775 * stmt.c (expand_asm_operands): Likewise.
10777 * md.texi: Update constraints documentation.
10778 * tm.texi (EXTRA_CONSTRAINT): Update.
10780 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10782 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
10783 (print_die): If we don't know the offset of the
10784 target die, try the symbol. Add a trailing newline.
10785 (reverse_all_dies): New fn.
10786 (dwarf2out_finish): Call it.
10787 (break_out_includes): Reorganize for clarity.
10788 (add_sibling_attributes): Don't call reverse_die_lists.
10789 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
10791 * flags.h: Add flag_eliminate_dwarf2_dups.
10792 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
10794 2000-08-28 Jason Merrill <jason@redhat.com>
10796 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
10797 * dwarf2out.c: #include "md5.h".
10798 (DIE_LABEL_PREFIX): New macro.
10799 (dw_val_struct): Add 'external' flag to val_die_ref.
10800 (add_AT_die_ref, AT_ref): Adjust.
10801 (AT_ref_external, set_AT_ref_external): New fns.
10802 (build_abbrev_table): Call set_AT_ref_external.
10803 (value_format): Call AT_ref_external.
10804 (die_struct): Add die_symbol field.
10805 (new_die): Clear it.
10806 (dwarf_tag_name): Handle BINCL/EINCL.
10807 (dwarf2out_start_source_file): Add BINCL DIE.
10808 (dwarf2out_end_source_file): Add EINCL DIE.
10809 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
10810 (loc_checksum, attr_checksum, die_checksum): New fns.
10811 (is_type_die, is_comdat_die, is_symbol_die): New fns.
10812 (compute_section_prefix, assign_symbol_names): New fns.
10813 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
10814 (output_die): Call output_die_symbol and AT_ref_external.
10815 (output_comdat_comp_unit): New fn, split out from...
10816 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
10818 (output_pubnames, output_aranges): Abort if we see entries from
10820 * toplev.h: Declare file_name_nondirectory.
10821 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
10822 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
10823 (debug_start_source_file): Call dwarf2out_start_source_file
10824 regardless of debug verbosity.
10825 (debug_end_source_file): Similarly.
10826 * tree.h: Declare clean_symbol_name.
10827 * tree.c (clean_symbol_name): Split out from...
10828 (get_file_function_name_long): ...here.
10830 * dwarf2out.c (new_loc_descr): Use calloc.
10831 (splice_child_die): Remove the die from the right parent.
10832 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
10834 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10836 * toplev.c (decode_g_option): Don't give warning for unknown -g
10837 option; return 0 instead.
10838 (main): If -g option is not recognized by front end or
10839 language-independent code, give warning.
10841 2000-08-28 Greg McGary <greg@mcgary.org>
10843 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
10844 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
10845 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
10847 2000-08-27 Greg McGary <greg@mcgary.org>
10849 * cpplex.c (parse_string): Don't look for backslash
10850 before first char in `namebuf'.
10851 * loop.c (strength_reduce): Skip NOTEs.
10853 2000-08-27 Jason Merrill <jason@redhat.com>
10855 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
10856 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
10857 TREE_ASM_WRITTEN, either.
10858 (finish_decl): Adjust.
10860 2000-08-28 Philipp Thomas <pthomas@suse.de>
10862 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
10863 they have been incorporated into the gettext CVS. Change the text to
10864 reflect the current status of NLS. Add instructions for accessing
10865 the gettext CVS and add the patch from Martin v. Loewis.
10867 2000-08-27 Geoff Keating <geoffk@cygnus.com>
10869 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
10870 by using gen_lowpart_common.
10871 (movdi_internal64+6): Likewise.
10873 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
10875 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
10878 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
10879 numbers to the ranges used by GDB.
10881 2000-08-25 Richard Henderson <rth@cygnus.com>
10883 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
10884 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
10885 (ia64_expand_prologue): Likewise.
10886 (ia64_setup_incoming_varargs): Set it. Properly skip the current
10887 argument for stdargs.
10889 2000-08-25 Jason Merrill <jason@redhat.com>
10891 * integrate.c (expand_inline_function): Pull out the original decl.
10893 2000-08-25 Jim Wilson <wilson@cygnus.com>
10895 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
10897 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
10899 2000-08-25 Greg McGary <greg@mcgary.org>
10901 * flow.c (dump_edge_info): Use ARRAY_SIZE.
10902 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
10904 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
10906 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
10908 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
10910 * i386.c (ix86_find_base_term): New.
10911 * i386-protos.h (ix86_find_base_term): Prototype.
10912 * i386.h (FIND_BASE_TERM): Define.
10913 * alias.c (find_base_term): Use it.
10914 * tm.texi (FIND_BASE_TERM): Document it.
10916 * alias.c (true_dependence, write_dependence_p): Unchanging
10917 memory can't conflict with non-unchanging memory.
10919 * alias.c (memrefs_conflict_p): A BLKmode reference
10920 to a symbol (or CONST_INT address) always conflicts
10921 with a reference to another symbol.
10923 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
10925 * c-common.c (time_char_table): Don't allow width and flags with
10928 2000-08-25 Jakub Jelinek <jakub@redhat.com>
10930 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
10931 way as LT and LTU when the second operand has 0 in low word.
10933 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10935 * basic-block.h (struct loop): Rename `exits' field to
10936 `exit_edges'. Add `entry_edges' and `num_entries' fields.
10938 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
10939 (flow_loop_entry_edges_find): Add.
10940 (flow_edge_list_print): Rename from flow_exits_print.
10941 (flow_loops_find): Call flow_loop_entry_edges_find.
10942 (flow_loop_dump): Dump entry_edges list.
10943 (flow_loops_free): Free entry_edges.
10945 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10947 * loop.c (loop_dump_aux, debug_loop): New functions.
10948 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
10950 * flow.c (flow_loops_dump): Add callback parameter.
10951 (flow_loop_dump): Add callback parameter and call it. Move
10952 loop note debugging code to loop_dump_aux.
10954 * basic-block.h (flow_loop_dump): Add callback parameter
10955 (flow_loops_dump): Likewise.
10957 * toplev.c (rest_of_compilation): Add NULL callback function pointer
10958 to call to flow_loops_dump.
10960 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10962 * loop.c (count_loop_regs_set): Replace start and end arguments
10963 with loop argument. All callers udated.
10965 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10967 * loop.c (constant_high_bytes): Delete.
10969 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10971 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
10972 and NOTE_INSN_LOOP_VTOP to...
10973 (find_and_verify_loops) ...here.
10975 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
10977 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
10978 (fini_dummy, init_dummy): Use it.
10980 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
10982 * cpplex.c (is_macro_disabled): Caller has already checked
10983 that we're not a preprocessed file.
10985 2000-08-24 Mark Mitchell <mark@codesourcery.com>
10987 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
10988 (c-iterate.o): Remove target.
10989 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
10990 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
10991 (finish_decl): Don't handle iterators.
10992 (grokdeclarator): Likewise.
10993 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
10994 * gcc/c-gperf.h: Regenerated.
10995 * gcc/c-iterate.c: Removed.
10996 * gcc/c-lex.c (init_lex): Don't handle iterators.
10997 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
10998 (compstmt_primary_start): Remove push_iterator_stack call.
10999 (stmt): Don't allow iterator statements. Replace iterator_expand
11000 with expand_expr_stmt.
11001 (all_iter_stmt): Remove.
11002 (all_iter_stmt_simple): Likewise.
11003 (all_iter_stmt_with_decl): Likewise.
11004 * gcc/c-tree.h (ITERATOR_P): Remove.
11005 (ITERATOR_BOUND_P): Likewise.
11006 (init_iterators): Remove declaration.
11007 (iterator_expand): Likewise.
11008 (iterator_for_loop_start): Likewise.
11009 (iterator_for_loop_end): Likewise.
11010 (iterator_for_loop_record): Likewise.
11011 (push_iterator_stack): Likewise.
11012 (pop_iterator_stack): Likewise.
11013 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
11014 (readonly_warning): Likewise.
11015 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
11017 2000-08-24 Jim Wilson <wilson@cygnus.com>
11019 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
11020 Copy type in a TYPE_DECL, just like pushdecl does.
11022 2000-08-24 Richard Henderson <rth@cygnus.com>
11024 * toplev.c (main): Enable flag_reorder_blocks at -O2.
11026 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
11028 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
11029 asked for one page, allocate GGC_QUIRE_SIZE of them and put
11030 the extras on the free list.
11031 (release_pages): Clean up.
11032 (ggc_set_mark): Don't adjust G.allocated here...
11033 (sweep_pages): ... do it here.
11035 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
11037 * cppfiles.c (read_include_file): Rearrange initializations.
11039 2000-08-24 Richard Henderson <rth@cygnus.com>
11041 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
11043 * config/ia64/ia64-protos.h: Update.
11044 * config/ia64/ia64.c (gr_register_operand): New.
11045 (fr_register_operand, grfr_register_operand): New.
11046 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
11047 (grfr_reg_or_8bit_operand): New.
11048 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
11049 use gr_register_operand.
11050 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
11051 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
11052 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
11053 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
11054 (fr_reg_or_fp01_operand): Likewise.
11055 (not_postinc_memory_operand): New.
11056 (ia64_split_timode): Remove unused variables.
11057 (rtx_needs_barrier): Check arguments to cmpxchg.
11058 (builtin_description): Remove.
11059 (bdesc_2argsi, bdesc_2argdi): Remove.
11060 (ia64_init_builtins): Declare all builtins directly.
11061 (ia64_expand_fetch_and_op): Rewrite to be called from
11062 ia64_expand_builtin directly. Use expand_binop and co.
11063 (ia64_expand_op_and_fetch): Likewise.
11064 (ia64_expand_compare_and_swap): Likewise.
11065 (ia64_expand_binop_builtin): Remove.
11066 (ia64_expand_lock_test_and_set): New.
11067 (ia64_expand_lock_release): New.
11068 (ia64_expand_builtin): Use them.
11069 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
11070 (EXTRA_CONSTRAINT): Use it.
11071 (PREDICATE_CODES): Update.
11072 * config/ia64/ia64.md (*): Use gr_register_operand and co.
11073 (mf): Indicate that we set memory as well as use it.
11074 (fetchadd_acq_si): Show memory being modified as well.
11075 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
11076 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
11077 (lock_test_and_set_si, lock_test_and_set_di): Remove.
11078 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
11079 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
11080 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
11081 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
11082 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
11083 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
11084 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
11085 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
11086 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
11087 return type. Pretty print definitions.
11089 2000-08-24 Jim Wilson <wilson@cygnus.com>
11091 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
11092 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
11094 2000-08-24 Jason Merrill <jason@redhat.com>
11096 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
11097 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
11098 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
11099 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
11101 2000-08-24 Greg McGary <greg@mcgary.org>
11103 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
11104 and extendtab within their proper array boundaries.
11105 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
11106 for the entire array.
11108 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
11109 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
11110 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
11111 * config/fr30/fr30.c (fr30_print_operand): Likewise.
11112 * config/i386/dgux.c (output_options): Likewise.
11113 * config/i386/dgux.h (ASM_FILE_START): Likewise.
11114 * config/m88k/m88k.c (output_options): Likewise.
11115 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
11116 * config/mcore/mcore.c (mcore_output_inline_const_forced,
11117 layout_mcore_frame, handle_structs_in_regs): Likewise.
11118 * config/mips/mips.c (output_block_move): Likewise.
11119 * config/rs6000/rs6000.c (rs6000_override_options,
11120 rs6000_file_start): Likewise.
11121 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
11122 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
11123 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
11124 * builtins.c (expand_builtin_setjmp): Likewise.
11125 * expr.c (safe_from_p): Likewise.
11126 * flow.c (life_analysis): Likewise.
11127 * fold-const.c (size_int_type_wide): Likewise.
11128 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
11129 * genattrtab.c (make_length_attrs): Likewise.
11130 * genopinit.c (gen_insn): Likewise.
11131 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
11132 * global.c (global_alloc): Likewise.
11133 * local-alloc.c (find_free_reg): Likewise.
11134 * mips-tdump.c (print_symbol): Likewise.
11135 * mips-tfile.c (parse_def, parse_input): Likewise.
11136 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
11137 * stmt.c (expand_nl_goto_receiver): Likewise.
11138 * stor-layout.c (set_sizetype): Likewise.
11139 * varasm.c (decode_reg_name): Likewise.
11140 * toplev.c (decode_f_option, decode_W_option,
11141 set_target_switch, print_switch_values): Likewise.
11142 (NUM_ELEM): Remove macro.
11143 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
11145 2000-08-24 Greg McGary <greg@mcgary.org>
11147 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
11148 (MAIN_NAME_P, main_identifier_node): New macros.
11149 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
11150 * c-decl.c (start_decl, grokdeclarator, start_function,
11151 store_parm_decls, finish_function): Use MAIN_NAME_P.
11152 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
11153 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
11154 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
11155 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
11157 2000-08-24 Greg McGary <greg@mcgary.org>
11159 * cppfiles.c (actual_directory): Don't write beyond `dir'
11160 when it contains "".
11161 * real.c (asctoeg): Stay within bounds of etens[][].
11163 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11165 * dependence.c (dependence_string, direction_string,
11166 dump_one_node, dump_node_dependence): Hide unused identifiers.
11167 (get_low_bound, normalize_coefficients): Match definition to
11169 (get_one_coefficient): Initialize variables `value0_is_idx' and
11171 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
11172 (ziv_test): Delete variable `idx', use parameter `sub' instead.
11173 (direction_merge): Avoid automatic aggregate initialization.
11174 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
11175 Initialize variables `dest_idx' and `src_idx'.
11176 (end_dependence_analysis): Avoid C89 style function definition.
11178 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
11180 * c-common.c (time_char_table): Don't allow width with %F.
11181 (check_format_info): Don't allow "Z" length with scanf.
11183 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
11185 * diagnostic.c (finish_diagnostic): Define.
11186 (output_do_printf): Use wrap_text instead of output_add_string.
11187 (default_print_error_function): Avoid embedded '\n'.
11189 * diagnostic.h (flush_diagnostic_buffer): Declare.
11191 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
11193 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
11195 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
11197 * Makefile.in (GCC_PASSES): Add specs.
11199 2000-08-23 Jim Wilson <wilson@cygnus.com>
11201 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
11202 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
11203 EHANDLER nor UHANDLER bit is set.
11204 (__get_except_table): Likewise.
11206 2000-08-23 Nick Clifton <nickc@redhat.com>
11208 * config/arm/lib1funcs.asm: Replace upper case condition codes
11209 with lower case versions.
11211 * config/arm/arm.h (STRUCT_VALUE): Define.
11212 (STRUCT_VALUE_REGNUM): Delete.
11214 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
11216 * cpphash.h (IN_I): New flag for directive table.
11217 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
11219 (_cpp_check_directive): If -fpreprocessed, execute directives
11220 marked with IN_I. Issue no warnings in this case.
11221 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
11223 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
11225 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
11227 (check_format_info): Support printf 'I' flag; warn about it with
11230 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
11232 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
11233 barrier can't be ignored by the alias analysis code.
11235 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
11237 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
11238 works inside fixincl.
11240 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
11242 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
11243 simplify_relational_operation() unless both operands are of
11245 * cse.c (fold_rtx): Likewise.
11247 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
11249 * rtlanal.c (rtx_unstable_p): The pic register is stable
11250 (within one function) and the actual rtx should be used
11251 when checking the registers.
11252 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
11254 * alias.c (true_dependence, write_dependence_p): Fix
11255 bug in previous patch.
11257 * i386.c (ix86_GOT_alias_set): New.
11258 (legitimize_pic_address): Use it.
11260 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
11261 only stable if its address is stable.
11262 (rtx_varies_p): An unchanging MEM can't vary if
11263 its address doesn't vary.
11265 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11267 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
11269 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11271 * vax.h (ASM_SPEC): Pass `-J' to assembler.
11272 * x-vax-gcc: New file for bootstrapping with gcc.
11273 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
11274 * configure.in: Use x-vax-gcc with gcc.
11275 * configure: Rebuilt.
11277 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11279 * toplev.c (rest_of_compilation): Rebuild label notes after
11280 post-reload splitting pass if new labels have been created.
11282 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11284 * diagnostic.h (output_buffer_state): New macro.
11285 * diagnostic.c (diagnostic_for_decl, sorry,
11286 default_print_error_function, output_do_verbatim,
11287 report_diagnostic, report_problematic_module): Use it.
11288 (wrap_text): Tweak.
11289 (output_format): Use wrap_text instead of maybe_wrap_text.
11291 2000-08-22 Nick Clifton <nickc@redhat.com>
11293 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
11294 Common code for ARM divide and modulus functions.
11295 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
11297 (FUNC_END): New macro: Common code at the end of the division and
11299 (THUMB_FUNCTION_START): New macro: Common code at the start of
11301 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
11303 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11305 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
11307 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
11308 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
11311 2000-08-22 Nick Clifton <nickc@redhat.com>
11313 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
11314 restorative additions, test for bottom bits of IP being set,
11315 rather than relying upon the RORs not matching.
11318 2000-08-22 David Edelsohn <edelsohn@gnu.org>
11320 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
11321 text_section() as appropriate instead of emitting text csect
11322 pseudo-op directly.
11323 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
11324 (UNIQUE_SECTION): Define macro.
11325 (ASM_OUTPUT_SECTION_NAME): Define macro.
11326 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
11327 on AIX if debugging and -fdata-sections always.
11329 2000-08-22 Steven King <sxking@uswest.net>
11331 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
11333 (LDBL_MAX): Same here.
11335 2000-08-22 Richard Henderson <rth@cygnus.com>
11337 * flow.c (tidy_fallthru_edge): Update b->end properly.
11339 2000-08-22 Stan Cox <scox@redhat.com>
11341 * Makefile.in (OBJS): Add dependence.o.
11342 * dependence.c: New file.
11344 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
11346 * calls.c (check_sibcall_argument_overlap_1): Adjust for
11347 ARGS_GROW_DOWNWARD.
11348 (check_sibcall_argument_overlap): Likewise.
11350 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
11352 * invoke.texi (SH Options): Document -m4-nofpu,
11353 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
11354 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
11356 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
11358 * c-common.c (check_format_info): Give the 'some locales' warning
11359 for strftime %Ey rather than the unconditional 'only last 2 digits
11362 2000-08-22 Richard Henderson <rth@cygnus.com>
11364 * alias.c (init_alias_analysis): Do not register
11365 struct_value_incoming_rtx or static_chain_rtx as pointing
11368 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
11370 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
11372 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11374 * diagnostic.h (report_problematic_module): Declare.
11375 * diagnostic.c (report_problematic_module): New function.
11376 (report_error_function): Tweak.
11378 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11380 * stmt.c (expand_goto_internal, fixup_gotos): Only check
11381 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11383 2000-08-21 Richard Henderson <rth@cygnus.com>
11385 * flow.c (calculate_global_regs_live): Mark frame pointer live
11386 everywhere before reload.
11388 2000-08-21 Jim Wilson <wilson@cygnus.com>
11390 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
11391 INTEL_EXTENDED_IEEE_FORMAT.
11392 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
11393 clear last two bytes of output FP value.
11395 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
11397 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
11399 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11401 * unroll.c (loop_find_equiv_value): If ret is modified between
11402 insn and loop_start, ret might not be equivalent to reg.
11404 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11406 * c-common.c (init_dollar_format_checking,
11407 maybe_read_dollar_number, finish_dollar_format_checking): New
11409 (dollar_arguments_used, dollar_arguments_count,
11410 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
11412 (check_format_info): Support $ formats for scanf and printf width
11413 and precision. Always increment format_chars to advance past the
11414 '*' of precision, not just when the format parameters are
11415 available to check.
11417 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11419 * mips.c (block_move_loop, expand_block_move,
11420 function_arg_partial_nregs, save_restore_insns, function_prologue,
11421 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
11423 (function_arg_advance, function_arg): Match argument to format
11426 2000-08-21 Nix <nix@esperi.demon.co.uk>
11428 * gcc.c (do_spec_1): Implement %j spec flag.
11429 Remove dead comment.
11431 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
11432 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
11433 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
11434 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
11436 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
11437 writable) instead of hardcoded value.
11439 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
11441 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
11444 * gcc.c (cc1_options): Do not process -o or run the assembler if
11446 * objc/lang-spec.h: Likewise.
11448 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
11450 * fixinc/fixincl.c (fix_with_system): Pipe the output of
11451 "external" fixes through `cat', to avoid truncating the input
11452 file by redirection.
11454 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11456 * config/i386/i386.md (lea_general_1): Copy insn condition to split
11458 (lea_general_2, lea_general_3): Likewise.
11460 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11462 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
11463 warnings to user code.
11465 * c-lex.c (readescape, yylex): Likewise.
11467 * c-typeck.c (store_init_value, process_init_element): Likewise
11468 (c_expand_start_case): Format.
11470 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
11472 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
11474 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
11475 and linker_endian_spec to endian_spec.
11476 (ENDIAN_SPEC): Add %{EB} and %{EL}.
11477 (LINK_SPEC): Remove %{EB} and %{EL}.
11478 (ASM_SPEC): Likewise. Use %(endian_spec).
11480 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11482 * c-tree.h (flag_hosted): Move declaration from here...
11483 * c-common.h (flag_hosted): ... to here.
11484 (flag_noniso_default_format_attributes): New declaration.
11485 * c-decl.c (flag_noniso_default_format_attributes): New variable.
11486 (c_decode_option): Set it appropriately for options choosing
11487 language standard variant.
11488 * c-common.c (init_function_format_info): Only provide default
11489 format attributes if flag_hosted. Only provide the gettext
11490 formats if flag_noniso_default_format_attributes. Update
11492 (check_format_info): Disable treatment of %a as a scanf flag in
11495 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11497 * c-common.c (scan_char_table): Add 'w' to flags for all formats
11499 (check_format_info): Set 'wide' for scanf format widths. Warn for
11500 a zero scanf width. Make the check for writing into a constant
11501 object at the first level of indirection; at later levels, warn if
11502 any type qualifiers are encountered.
11504 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
11506 * reload.c (reload_inner_reg_of_subreg): New function broken out of
11508 (push_reload): Use reload_inner_reg_of_subreg.
11509 (combine_reloads): Do not combine reloads if the input reload
11510 is a SUBREG in which the inner part will need reloading.
11512 * global.c (global_alloc): Avoid passing dumpfile argument to
11514 * toplev.c (rest_of_compilation): Likewise.
11515 * reload.h (reload): Remove dumpfile argument. Callers changed.
11516 (debug_reload, debug_reload_to_stream): Move prototypes here.
11517 * rtl.h (reload): Remove dumpfile argument.
11518 * reload.c (debug_reload): Remove prototype.
11519 (debug_reload_to_stream): Likewise.
11520 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
11523 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11525 * diagnostic.c (context_as_prefix): Export.
11526 (need_error_newline): Remove.
11527 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
11528 (error_module_changed, record_last_error_module,
11529 error_function_changed, record_last_error_function): New functions.
11530 (initialize_diagnostics): Default intialize
11531 lang_diagnostic_starter, lang_diagnostic_finalizer.
11532 (init_output_buffer): Tweak.
11533 (file_name_as_prefix): New function.
11534 (announce_function, default_print_error_function,
11535 report_error_function, set_diagnostic_context): Tweak.
11537 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
11539 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
11540 condition expression.
11542 2000-08-20 Richard Henderson <rth@cygnus.com>
11544 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
11546 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
11548 * cppinit.c (cpp_init): Set global flag when called.
11549 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
11551 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
11553 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
11554 before `process_directive' so that newlines won't be missed
11556 (cpp_printf): Increment `print->lineno' when newline is emitted.
11558 * cppmain.c (cb_ident): Likewise.
11559 (cb_define): Likewise.
11560 (cb_undef): Likewise.
11561 (cb_include): Likewise.
11562 (cb_def_pragma): Likewise.
11563 (dump_macros_helper): Likewise.
11565 2000-08-20 Richard Henderson <rth@cygnus.com>
11567 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
11568 assigned before a loop.
11570 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
11571 (ashrsi3, lshrsi3): Likewise.
11573 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11575 * c-lang.c: #include diagnostic.h
11576 (c_tree_printer): New function.
11577 (lang_init): Initialize lang_printer.
11579 * Makefile.in (c-lang.o): Depends on diagnostic.h
11581 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11583 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
11585 * diagnostic.c (default_diagnostic_starter,
11586 default_diagnostic_finalizer): New functions.
11587 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
11588 (pedwarn, pedwarn_with_file_and_line, error,
11589 error_with_file_and_line, fatal, warning,
11590 warning_with_file_and_line): Adjust call to report_diagnostic.
11591 (report_diagnostic): Rework.
11592 (set_diagnostic_context): New function.
11594 * diagnostic.h (struct diagnostic_context): New data structure.
11595 (diagnostic_message, diagnostic_argument_list,
11596 diagnostic_file_location, diagnostic_line_location,
11597 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
11598 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
11599 (set_diagnostic_context): Declare.
11600 (report_diagnostic): Change prototype.
11602 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
11604 * fix-header.c (main): Initialize cpplib.
11606 2000-08-19 Michael Meissner <meissner@redhat.com>
11608 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
11609 instructions in it before checking for indirect jumps.
11611 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
11612 in a indirect jump as a potential for conditional execution.
11614 * d30v.h (d30v_init_expanders): Don't declare here.
11615 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
11618 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
11620 * cpp.texi: Add @section for assertions.
11622 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
11624 * loop.c (scan_loop): Use CONST_CALL_P instead of
11625 checking for REG_LIBCALL / REG_RETVAL.
11627 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
11629 * reload1.c (reload_as_needed): Accept dumpfile argument,
11630 pass it to emit_reload_insns.
11631 (emit_reload_insns): Add new dumpfile argument. If non-null
11632 then dump the reloads for each insn into the dumpfile.
11633 (reload): Pass dumpfile to reload_as_needed.
11635 * invoke.texi: Clean up linux-gnu vs linux comments.
11637 2000-08-19 Richard Henderson <rth@cygnus.com>
11639 * config/ia64/ia64.c (reg_or_5bit_operand): New.
11640 (ia64_depz_field_mask): New.
11641 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
11642 (PREDICATE_CODES): Update.
11643 * config/ia64/ia64.md: Update commentary.
11644 (depz_internal): New.
11645 (ashlsi3): Implement directly.
11646 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
11647 (ashldi3): Use shladd.
11648 * config/ia64/ia64-protos.h: Update.
11650 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11652 * toplev.c (independent_decode_option): Always process -g.
11653 Remove third argument, now unused. Adjust caller to match.
11655 2000-08-18 Richard Henderson <rth@cygnus.com>
11657 * combine.c (make_compound_operation): Break after creating
11660 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11662 * cpplib.c (cpp_register_pragma_space): Just return if the
11663 namespace is already registered.
11665 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
11667 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
11668 constant amount. Do not generate ROTL instruction.
11670 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
11672 * config/sh/elf.h: Do not include sh/sh.h.
11673 * config/sh/rtems.h: Likewise.
11674 * config/sh/rtemself.h: Do not include sh/elf.h.
11675 * configure.in: Get them included with `tm_file's.
11676 * configure: Rebuilt.
11678 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
11679 * config/sh/sh.c (fpscr_set_from_mem): Use them.
11681 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11683 * stor-layout.c (compute_record_type): Don't use mode of single
11684 field as mode of record if not integer mode of same type.
11686 * regmove.c (perhaps_ends_bb_p): New function.
11687 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
11688 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
11689 (fixup_match_1): Likewise.
11690 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
11691 avoid signed/unsigned warnings.
11693 * function.c (fixup_var_refs_1, case MEM): Update CODE after
11696 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
11698 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
11699 (_cpp_trigraph_map): Declaration moved from cpplex.c
11701 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
11702 instead of 256. Use consistent test for designated initializers.
11703 (cpp_init): Initialize trigraph_map.
11704 (initialize_standard_includes, parse_option): Use memcmp
11705 instead of strncmp.
11707 * cpplex.c (init_trigraph_map): Remove.
11708 (trigraph_ok, trigraph_replace, lex_line): Refer to
11711 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
11712 (do_unassert): Remove unused "next" local.
11714 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
11716 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
11718 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
11721 2000-08-17 Richard Henderson <rth@cygnus.com>
11723 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
11724 the first insn in a sequence.
11726 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
11728 * alias.c (true_dependence, write_dependence_p): A read
11729 involving a label_ref or the constant pool doesn't create
11732 * rtl.h (unchanging): Improve documentation.
11734 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
11736 * cse.c (insert_regs): Remove unused `regno'.
11738 2000-08-17 Neil Booth <NeilB@earthling.net>
11740 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
11741 remove_dup_dirs. If qtail == brack, remove brack not
11743 (remove_dup_dir, remove_dup_dirs): New functions.
11745 2000-08-17 Neil Booth <NeilB@earthling.net>
11747 * cppinit.c (cpp_cleanup): Free include dir chains.
11748 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
11749 (do_unassert): Free the assert with _cpp_free_definition.
11750 * cppmacro.c (_cpp_free_definition): Free memory allocated for
11751 assertions. Make the node a T_VOID node.
11753 2000-08-17 Neil Booth <NeilB@earthling.net>
11755 * cppinit.c (path_include, append_include_chain):
11756 Remove 2nd parameter (struct cpp_pending *).
11757 (path_include, initialize_standard_includes, cpp_handle_option):
11758 Update callers appropriately.
11759 (cpp_handle_option): Use pend.
11761 2000-08-17 Neil Booth <NeilB@earthling.net>
11763 * cppinit.c (sort_options): Remove, put functionality in
11766 (initialize_builtins): Free memory.
11767 (cpp_start_read): Move init_IStable to cpp_init.
11769 * cpplib.h (cpp_init): New prototype.
11770 * cppmain.c (main): Call cpp_init.
11772 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
11774 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
11775 (rtx_unstable_p, rtx_varies_p): Process vectors.
11777 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
11779 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
11780 references to GLOBAL symbols. Use LOCAL where appropriate.
11782 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11784 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
11785 use t-aix41 when host == target.
11787 2000-08-16 Richard Henderson <rth@cygnus.com>
11789 * reload.c (push_secondary_reload): Revert last change.
11790 If we use a reload_in/out pattern, make the when the same
11791 as the primary reload.
11792 (find_reloads): Likewise.
11794 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
11796 * configure.in (libstdcxx-v3): Fix test.
11797 * configure: Regenerate.
11799 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11801 * calls.c (calls_function_1, expand_call): Only test
11802 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11803 * function.c (thread_prologue_and_epilogue_insns): Likewise.
11805 2000-08-16 Richard Henderson <rth@cygnus.com>
11807 * combine.c (simplify_shift_const): Revert previous two
11808 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
11809 before the main loop.
11811 2000-08-15 Richard Henderson <rth@cygnus.com>
11813 * combine.c (simplify_shift_const): Bound shift count when
11816 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11818 * calls.c (ECF_SP_DEPRESSED): New macro.
11819 (calls_function_1): Treat calling sp-depressed function as alloca.
11820 (emit_call_1): Don't adjust SP if calling sp-depressed function.
11821 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
11822 If sp-depressed, ensure block saves and restores SP.
11823 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
11825 * function.c (keep_stack_depressed): New function.
11826 (thread_prologue_and_epilogue_insns): Call it.
11827 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
11828 to print DECL_OFFSET_ALIGN.
11829 Print no-force-blk and transparent-union flags properly.
11830 * stmt.c (expand_goto_internal): Don't restore stack if last block
11831 and function returns with sp depressed.
11832 (fixup_gotos): Likewise.
11833 (save_stack_pointer): New function, from code in expand_decl.
11834 (expand_decl): Call new function.
11835 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
11836 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
11837 (save_stack_pointer): New declaration.
11839 * diagnostic.c (fatal_function): New variable.
11840 (set_fatal_function): New function.
11842 * diagnostic.h (set_fatal_function): New declaration.
11844 2000-08-15 William Cohen <wcohen@redhat.com>
11846 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
11847 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
11848 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
11850 2000-08-15 Richard Henderson <rth@cygnus.com>
11852 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
11854 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11856 * arm.c (arm_function_ok_for_sibcall): New function.
11857 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
11858 * arm.md (call expanders): Don't check here for calls that can't
11861 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11863 * arm.md (splits generating cond_exec): Disable.
11865 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11867 * arm/linux-elf.h (text_section): Delete declaration.
11869 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11871 ARM support for unordered FP operations.
11872 * arm-protos.h (arm_comparison_operator): Declare.
11873 * arm.c (arm_comparison_operator): New function.
11874 (arm_select_cc_mode): Add unordered comparison codes.
11875 (get_arm_condition_code): Likewise.
11876 (arm_final_prescan_insn): Can't handle unordered jumps that can't
11877 be done in one insn.
11878 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
11879 * arm.md (all uses of comparison_operator): Replace with
11880 arm_comparison_operator.
11881 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
11883 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
11886 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11888 * gthr-posix.h: Conditionally include <sched.h>; include
11889 <config.h> from libobjc/.
11891 2000-08-14 Richard Henderson <rth@cygnus.com>
11893 * config/i386/i386.c (legitimize_pic_address): Use Pmode
11896 2000-08-14 Richard Henderson <rth@cygnus.com>
11898 * configure.in (ia64-*): Set float_format for i386 long double.
11900 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
11901 as we would for i386 XFmode.
11902 (PUT_REAL): Likewise.
11903 (endian, ereal_atof, real_value_truncate): Likewise.
11904 (ereal_isneg, toe64, etens, make_nan): Likewise.
11905 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
11907 * config/ia64/ia64-protos.h: Update.
11908 * config/ia64/ia64.c (general_tfmode_operand): New.
11909 (destination_tfmode_operand): New.
11910 (tfreg_or_fp01_operand): New.
11911 (ia64_split_timode): New.
11912 (spill_tfmode_operand): New.
11913 (ia64_expand_prologue): Use TFmode not XFmode.
11914 (ia64_expand_epilogue): Likewise.
11915 (ia64_function_arg): Likewise.
11916 (ia64_function_arg_advance): Likewise.
11917 (ia64_return_in_memory): Likewise.
11918 (ia64_function_value): Likewise.
11919 (ia64_print_operand): Likewise.
11920 (ia64_register_move_cost): Set GR<->FR to 5.
11921 (ia64_secondary_reload_class): Get GR for TImode memory op.
11922 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
11923 (ROUND_TYPE_ALIGN): Remove.
11924 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
11925 (INTEL_EXTENDED_IEEE_FORMAT): Define.
11926 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
11927 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
11928 (MODES_TIEABLE_P): Use TFmode, not XFmode.
11929 (CLASS_MAX_NREGS): Likewise.
11930 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
11931 (PREDICATE_CODES): Update.
11932 * config/ia64/ia64.md (movti): New.
11933 (movti_internal): Use a clobber for memory alternatives.
11934 (reload_inti, reload_outti): New.
11935 (movsfcc_astep): Predicate properly.
11936 (movdfcc_astep): Likewise.
11939 (extendsftf2, extenddftf2): New.
11940 (trunctfsf2, trunctfdf2): New.
11941 (floatditf2, fix_trunctfdi2): New.
11942 (floatunsditf2, fixuns_trunctfdi2): New.
11943 (addtf3, subtf3, multf3, abstf2): New.
11944 (negtf2, nabstf2, mintf3, maxtf3): New.
11945 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
11947 (fr_spill): Use TFmode, not XFmode.
11948 (fr_restore): Likewise.
11949 * config/ia64/lib1funcs.asm (__divtf3): New.
11950 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
11952 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11954 * cse.c (fold_rtx): Avoid empty body in an if-statement.
11956 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
11957 `U' integer constant suffix.
11959 * dwarf2out.c (add_subscript_info): Avoid empty body in an
11962 * sparc/sol2.h (__enable_execute_stack): Prototype.
11964 2000-08-14 David Edelsohn <edelsohn@gnu.org>
11966 * collect2.c: Remove use of AIX import file.
11968 * longlong.h: Test ARCH_PWR not ARCH_POWER.
11970 * rs6000.c (print_operand, case 'E'): Add else.
11972 2000-08-14 Richard Henderson <rth@cygnus.com>
11974 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
11975 (movdi_symbolic): New.
11977 2000-08-14 Jim Wilson <wilson@cygnus.com>
11979 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11980 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
11981 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11984 2000-08-14 Richard Henderson <rth@cygnus.com>
11986 * expr.c (emit_group_load): Don't force constants into registers.
11987 Special case source already in the correct mode.
11989 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
11991 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
11992 * fixinc/inclhack.def: Likewise.
11993 * fixinc/mkfixinc.sh: Likewise.
11994 * configure: Regenerate.
11995 * fixinc/fixincl.x: Regenerate.
11996 * install.texi: Document equivalence of linux and linux-gnu.
11998 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12000 * cse.c (insert_regs): Also in REG case: When finding an invalid
12001 value, and we make a new quantity, make sure that it won't be
12002 mistaken by for a valid one by mention_regs.
12004 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
12006 * h8300.md: Remove obsolete peepholes.
12008 2000-08-13 Kazu Hirata <kazu@hxi.com>
12010 * invoke.texi (H8/300 Options): Fix typos.
12011 * config/h8300.c: Fix formatting.
12012 * config/h8300.h: Fix comment typos.
12013 (OVERRIDE_OPTIONS): Fix formatting.
12015 * function.c: Fix formatting.
12017 * cse.c: Fix formatting.
12019 2000-08-13 Geoff Keating <geoffk@cygnus.com>
12021 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
12022 (attempt_auto_inc): Suppress parentheses warning.
12023 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
12024 * loop.c (load_mems): Remove `u' suffix in two places.
12025 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
12027 * config/rs6000/rs6000.h: Likewise.
12028 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
12029 __eabi dummy routine.
12030 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
12031 variable `buf_ptr'.
12033 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
12034 not put stuff in .sdata unnecessarily.
12035 (rs6000_unique_section): New function.
12036 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
12037 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
12039 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
12040 arrays in C99. Don't try to look at DECL_REGISTER of a
12041 COMPONENT_REF. Don't complain twice about the same error.
12043 * fixinc/inclhack.def (aix_pthread): New fix.
12044 (aix_sysmachine): New fix.
12045 * fixinc/fixincl.x: Regenerate.
12047 * expr.c (expand_expr): Call convert_modes when turning a large
12048 multiply into a small one.
12050 2000-08-12 Geoff Keating <geoffk@cygnus.com>
12052 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
12053 the tree structure an exponent rather than an explicit alignment
12054 so it doesn't overflow.
12055 (SET_DECL_OFFSET_ALIGN): New macro.
12056 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
12057 rather than DECL_OFFSET_ALIGN.
12058 (place_field): Likewise.
12059 * expmed.c (store_bit_field): Abort on align==0 to avoid
12060 antisocial machine behaviour.
12062 2000-08-12 Richard Henderson <rth@cygnus.com>
12064 * sibcall.c (uses_addressof): Accept both addressof and
12065 current_function_internal_arg_pointer inside a mem.
12066 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
12067 if current_function_uses_addressof.
12068 * stmt.c (expand_return): Kill tail recursion and HAVE_return
12071 2000-08-11 Richard Henderson <rth@cygnus.com>
12073 * config/ia64/ia64.md (addsi3): Remove expander.
12074 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
12075 (*addsi3_shladd): New.
12077 2000-08-11 Richard Henderson <rth@cygnus.com>
12079 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
12080 (do_restore): Likewise.
12081 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
12082 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
12083 (rtx_needs_barrier): Track actual bit manipulation for
12084 ar.unat moves, gr_spill, and gr_restore.
12085 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
12086 (process_set): Don't handle varargs spills.
12087 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
12088 .mem.offset here instead of in process_set.
12089 (gr_restore): Likewise.
12091 2000-08-11 Richard Henderson <rth@cygnus.com>
12093 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
12095 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
12097 * gcc.texi (The Configuration File): Document
12098 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
12099 UPDATE_PATH_HOST_CANONICALIZATION.
12101 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12103 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
12104 unprototyped function pointer casts on integer constants.
12106 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
12108 * fixproto: Recognize DOS paths with drive letters as absolute paths.
12110 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
12112 * extend.texi (Volatiles): Fix typos.
12114 2000-08-11 Kazu Hirata <kazu@hxi.com>
12116 * flow.c: Fix formatting.
12118 2000-08-11 Richard Henderson <rth@cygnus.com>
12120 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
12121 pattern, always allocate a tertiary scratch register.
12123 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
12124 (reload_inhi): Likewise.
12126 2000-08-11 Richard Henderson <rth@cygnus.com>
12128 * function.c (put_reg_into_stack): Allow type to be NULL.
12129 (schedule_fixup_var_refs): Likewise.
12130 (gen_mem_addressof): Allow decl to be NULL.
12131 (put_addressof_into_stack): Likewise.
12133 * flow.c (merge_blocks_nomove): Be more careful about
12134 locating the beginning of block A.
12136 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
12138 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12143 * config.in: Reverted the check for <sched.h>.
12145 2000-08-10 Chris Demetriou <cgd@sibyte.com>
12147 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
12148 macros define the name of CTOR and DTOR sections.
12149 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12150 DTOR_LIST_END): Change to use attributes to specify
12152 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
12153 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12154 DTOR_LIST_END): Same as in mips/elf.h.
12156 2000-08-10 Drew Moseley <dmoseley@redhat.com>
12158 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
12159 disabling just crt0.o.
12161 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
12163 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
12164 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
12165 (EXTRA_SPECS): Add them.
12166 * arm/lib1funcs.asm: Support builds for interworking.
12167 Use macros to eliminate duplicated pieces of code.
12169 2000-08-10 Kazu Hirata <kazu@hxi.com>
12171 * h8300.c (expand_a_rotate): New.
12172 (emit_a_rotate): Likewise.
12173 (h8300_adjust_insn_length): Add support for the rotate insns.
12174 * h8300.md (rotlqi3): New.
12175 (*rotlqi3_1): Likewise.
12176 (rotlhi3): Likewise.
12177 (*rotlhi3_1): Likewise.
12178 (rotlhi3): Likewise.
12179 (*rotlhi3_1): Likewise.
12180 * h8300-proto.h: Add prototypes for expand_a_rotate and
12183 * h8300.c: Fix comment typos.
12184 (dosize): Declare the variable amount as unsigned.
12185 (get_shift_alg): Fix a comparison between signed and unsigned.
12186 (emit_a_shift): Likewise.
12187 (h8300_adjust_insn_length): Simplify the code.
12189 * c-decl.c: Fix formatting.
12191 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12193 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
12194 warning about non-traditional numeric constant suffixes.
12196 * cppexp.c (parse_number): Likewise.
12198 * invoke.texi: (-Wtraditional): Document new behavior.
12200 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12202 * gthr-posix.h: Include auto-host.h. Conditionally include
12204 * configure.in: Check for the <sched.h> header file.
12205 * config.in: Added define for HAVE_SCHED_H.
12207 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12209 * c-typeck.c (process_init_element): For -Wtraditional, warn about
12210 initialization of unions.
12212 * invoke.texi (-Wtraditional): Document new behavior.
12214 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
12216 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
12217 instead of extra_c_flags.
12218 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
12219 * configure: Regenerate.
12220 * config.in: Regenerate.
12222 * cpperror.c (cpp_type2name): New function.
12223 * cpplex.c (lex_line): If we issued an error for an invalid
12224 preprocessing directive, discard that logical line.
12225 * cpplib.c (do_line): Call a hook function if the current file
12226 is renamed by #line.
12227 (do_ident): Pass the contents of the string, not the entire
12228 token, to the callback function.
12229 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
12230 (cb.rename_file): New hook function.
12231 (cb.ident): Adjust prototype.
12232 (cpp_type2name): Prototype.
12233 * cppmacro.c (dump_macro_args): Correct precedence lossage.
12235 * cppmain.c (cb_ident): Update for changed interface.
12236 (cb_rename_file): New function.
12237 (main): Set rename callback.
12239 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
12241 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
12242 multi-word registers.
12244 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12246 * c-common.c (combine_strings, check_format_info): Refer to ISO C
12247 or ISO C89 instead of ANSI C.
12248 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
12249 build_enumerator, do_case): Likewise.
12250 * c-lex.c (parse_float, yylex): Likewise.
12251 * c-parse.in: Likewise.
12252 * c-typeck.c (common_type, build_array_ref, build_binary_op,
12253 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
12254 build_c_cast, convert_for_assignment, set_init_index,
12255 set_init_label, c_expand_start_case): Likewise.
12256 * toplev.c (documented_lang_options, display_help): Likewise.
12258 2000-08-08 Kazu Hirata <kazu@hxi.com>
12260 * h8300.c: Fix formatting.
12261 * h8300.h: Likewise.
12262 * h8300.md: Likewise.
12263 (movsi_h8300hs): Fix formatting of the resulting assembly code.
12265 * reload1.c: Fix formatting.
12267 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
12269 * alpha/alpha.c (alpha_emit_xfloating_libcall):
12270 Use GEN_CALL_VALUE define.
12271 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
12272 * clipper/clipper.md (untyped_call): Likewise.
12273 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
12274 * fx80/fx80.md (untyped_call): Likewise.
12275 * mips/mips.md (untyped_call): Likewise.
12276 * ns32k/ns32k.md (untyped_call): Likewise.
12277 * pa/pa.md (untyped_call): Likewise.
12278 * romp/romp.md (untyped_call): Likewise.
12279 * sparc/sparc.md (untyped_call): Likewise.
12281 2000-08-08 Jason Eckhardt <jle@cygnus.com>
12283 * config/i860/i860.c (singlemove_string): Do not generate assembler
12284 pseudo instructions that must be expanded (that is, with signed
12285 constants larger than 16 bits).
12287 2000-08-08 Richard Henderson <rth@cygnus.com>
12289 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
12290 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
12291 (init_propagate_block_info): Don't kill memory stores at -O0.
12292 (mark_set_1, mark_used_regs): Likewise.
12294 2000-08-08 David Edelsohn <edelsohn@gnu.org>
12296 * rs6000.c (optimization_options): Decorate 'level' as
12298 (mask64_operand): Remove sign-extend thinko.
12299 (rldic_operand): New function.
12300 (load_multiple_operation): regno's are unsigned ints.
12301 (store_multiple_operation): Likewise.
12302 (lmw_operation): Likewise.
12303 (stmw_operation): Likewise.
12304 (includes_lshift_p): shift_mask is unsigned int.
12305 (includes_lshift64_p): New function.
12306 (addrs_ok_for_quad_peep): unsigned int reg1.
12307 (print_operand): Consistently add "else" after
12308 output_operand_lossage().
12309 (print_operand, case 'b'): Fold in case 'W'.
12310 (print_operand, case 'W'): Print rldic MB value.
12311 (output_epilogue): Update Objective-C language string.
12312 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
12313 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
12314 * rs6000.md (ashldi3): Add rldic instruction.
12315 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
12316 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
12319 2000-08-08 Richard Henderson <rth@cygnus.com>
12321 * config/ia64/ia64-protos.h: Remove duplicates. Update
12322 for massive code rearrangements.
12323 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
12324 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
12325 (ia64_local_regs, ia64_need_regstk): Remove.
12326 (ar_ccv_reg_operand): New.
12327 (ia64_gp_save_reg): New.
12328 (struct ia64_frame_info): Combine most of the size elements;
12329 add new gr save elements.
12330 (find_gr_spill): New.
12331 (next_scratch_gr_reg): New.
12332 (mark_reg_gr_used_mask): New.
12333 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
12334 to GR backing store regs when possible.
12335 (ia64_initial_elimination_offset): New.
12336 (ia64_rap_fp_offset): Remove.
12337 (save_restore_insns): Remove.
12338 (setup_spill_pointers): New.
12339 (finish_spill_pointers): New.
12340 (spill_restore_mem): New.
12341 (do_spill, do_restore): New.
12342 (ia64_expand_prologue): Rewrite to use them.
12343 (ia64_expand_epilogue): Likewise.
12344 (ia64_direct_return): Update for current_frame_info changes.
12345 (ia64_function_prologue): Simplify .prologue emission. Emit
12346 .spill when needed.
12347 (ia64_setup_incoming_varargs): Don't ever emit rtl.
12348 (ia64_dbx_register_number): New.
12349 (ia64_initialize_trampoline): New.
12350 (ia64_secondary_reload_class): Request GR_REGS for integer
12351 arithmetic destined for FR_REGS.
12352 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
12353 (ia64_mark_machine_status): Mark ia64_gp_save.
12354 (rws_access_regno): Rename from rws_access_reg; don't treat
12355 predicates specially.
12356 (rws_access_reg): New. Update all callers.
12357 (rtx_needs_barrier): Remove dead unspecs.
12358 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
12359 (ia64_encode_section_info): Silence signed/unsigned warnings.
12360 (spill_offset, sp_offset, spill_offset_emitted): Remove.
12361 (tmp_reg, tmp_saved): Remove.
12362 (process_set): Rewrite to expect complicated bits via
12363 REG_FRAME_RELATED_EXPR.
12364 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
12365 in the use of ar.ccv; never set RTX_UNCHANGING_P.
12366 (ia64_expand_op_and_fetch): Likewise.
12367 (ia64_expand_compare_and_swap): Likewise.
12368 (ia64_expand_builtin): Likewise.
12369 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
12370 (FIRST_PSEUDO_REGISTER): Update.
12371 (AR_M_REGNO_P): Update.
12372 (FIXED_REGS): Don't mark three local registers as used.
12373 (EXTRA_CC_MODES): New.
12374 (SELECT_CC_MODE): New.
12375 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
12376 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
12377 (FRAME_GROWS_DOWNWARD): Unset.
12378 (STARTING_FRAME_OFFSET): Zero.
12379 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
12380 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
12381 (HARD_FRAME_POINTER_REGNUM): New.
12382 (CAN_DEBUG_WITHOUT_FP): Define.
12383 (TRAMPOLINE_TEMPLATE): Remove.
12384 (TRAMPOLINE_SIZE): Lower to 32.
12385 (TRAMPOLINE_ALIGNMENT): Lower to 64.
12386 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
12387 (PREDICATE_CODES): Update.
12388 (struct machine_function): Add ia64_gp_save.
12389 * config/ia64/ia64.md: Purge unused unspecs.
12390 (movsi patterns): Allow moves to/from AR_M_REGS.
12391 (movdi patterns): Allow moves to/from p0.
12392 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
12393 (gr_spill, gr_restore): Indicate ar.unat read/written.
12394 (nonlocal_goto): Don't pass old frame_pointer.
12395 (nonlocal_goto_receiver): Remove.
12396 (exception_receiver): New.
12397 (builtin_setjmp_setup): New.
12398 (builtin_setjmp_receiver): New.
12399 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
12400 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
12401 (__ia64_restore_stack_nonlocal): Likewise.
12402 (__ia64_trampoline): New.
12403 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
12405 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
12407 2000-08-08 Richard Henderson <rth@cygnus.com>
12409 * frame.h (ia64_frame_state): Add my_psp.
12410 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
12411 (__throw): Pass it in. Don't clobber r7.
12412 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
12413 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
12414 and nothing to do with sp.
12415 (normalize_reg_loc): Use frame->my_psp.
12416 (frame_translate): Handle frame-pointer-less functions. Set
12417 spill_base correctly, in absence of being told.
12418 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
12419 (__ia64_backtrace_helper): New sp argument. Use
12420 builtin_return_address instead of label addresses.
12421 (print_record) [mem_stack_v]: No size member.
12423 2000-08-08 Richard Henderson <rth@cygnus.com>
12425 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
12427 2000-08-08 Richard Henderson <rth@cygnus.com>
12429 * tm.texi (LOCAL_REGNO): Document.
12430 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
12431 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
12432 * reload1.c (reload): Likewise when considering nonlocal labels.
12434 * config/ia64/ia64.h (LOCAL_REGNO): New.
12435 * config/sparc/sparc.h (LOCAL_REGNO): New.
12437 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12439 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
12441 2000-08-07 Nick Clifton <nickc@redhat.com>
12443 * config/mips/mips.c: Fix compile time warning messages.
12444 * config/mips/mips-protos.h: Add prototype for equality_op.
12446 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
12448 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
12450 * mn10300.md: Use nonimmediate_operand instead of general_operand
12451 on output operands.
12453 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
12455 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
12457 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
12458 * sh.c (expand_block_move): Break long lines.
12459 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
12460 * sh.md (mulsi3): Likewise.
12461 (movdi): Adjust spacing.
12463 2000-08-07 Richard Henderson <rth@cygnus.com>
12465 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
12466 * expr.c (emit_group_store): Don't set it.
12468 2000-08-07 Kazu Hirata <kazu@hxi.com>
12470 * invoke.texi (Options for Debugging Your Program or GCC): Remove
12471 duplicate entries for 'w' and 'z'.
12473 * flow.c: Fix a comment typo.
12475 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12477 * c-parse.in: Changed the language string for Objective-C to "GNU
12480 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12482 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
12483 to improve the Posix thread support for Objective-C.
12485 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
12487 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
12488 CTI_UNSIGNED_PTRDIFF_TYPE.
12489 (signed_size_type_node): Define.
12490 (unsigned_ptrdiff_type_node): Define.
12491 * c-decl.c (init_decl_processing): Create the
12492 signed_size_type_node and unsigned_ptrdiff_type_node types.
12493 * c-common.c (T_SC): Define.
12496 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
12497 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
12499 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
12500 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
12501 flags for %c, %s and %[.
12502 (check_format_info): Only allow leniency for signedness of targets
12503 of character pointers (when pedantic) for formats flagged with
12504 "c", so for strings but not for %hh formats. When pedantic, don't
12505 allow character pointers to substitute for void pointers if a
12506 second level of indirection is present.
12508 2000-08-06 Kazu Hirata <kazu@hxi.com>
12510 * invoke.texi (Options for Debugging Your Program or GCC): Update
12511 the names of dump files.
12513 * h8300.c (dosize): Rearrange code for conciseness.
12514 (split_adds_subs): Likewise.
12516 * loop.c: Fix formatting.
12518 * dwarf2out.c: Fix formatting.
12520 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
12522 * expr.c: Fix formatting.
12524 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12526 * rs6000.c (rs6000_maybe_dead): Prototype.
12528 2000-08-06 Richard Henderson <rth@cygnus.com>
12530 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
12531 HAVE_nonlocal_goto as well.
12532 * config/i960/i960.md (nonlocal_goto): Don't do it here.
12533 * config/pj/pj.md (nonlocal_goto): Likewise.
12535 2000-08-07 Michael Hayes <mhayes@cygnus.com>
12537 * loop.c (try_swap_copy_prop): New function.
12538 (load_mems): Rename copies to load_copies and add new regset
12539 store_copies. Check for sets of shadow registers and mark
12540 in store_copies. Call try_swap_copy_prop for registers
12541 marked in store_copies.
12543 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12545 * objc/objc-act.c: New command line option -fconstant-string-class
12546 to allow specifying a user defined constant string class,
12547 different from NXConstantString.
12549 * toplev.c: Moved the Objective-C specific options to
12550 objc/lang-options.h.
12552 * objc/lang-options.h: Moved the Objective-C specific options from
12553 toplev.c. Added -fconstant-string-class.
12555 2000-08-05 Chris Demetriou <cgd@sibyte.com>
12557 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12558 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
12559 __CTOR_LIST__ from func_ptr array to just func_ptr, to
12560 avoid extra alignment imposed on arrays.
12561 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12562 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
12564 * mips.h: Clean up comments and spacing near MASKs.
12565 (TARGET_UNIX_ASM): Delete.
12566 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
12567 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
12570 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
12572 * c-common.c (print_char_table): Add entries for the X/Open '
12573 format flag (print decimals with locale's thousands grouping
12574 character). Make %C expect wint_t.
12575 (check_format_info): If pedantic, warn when the %n$ operand
12576 number form is used. Allow for the ' flag; warn about it if
12579 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
12581 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
12582 type is a float mode, cfun->decl's return type is not, and
12583 TARGET_FLOAT_RETURNS_IN_80387.
12585 2000-08-04 Andreas Schwab <schwab@suse.de>
12587 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
12588 token list, which are always `#' and `pragma'.
12590 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
12592 * tree.c (tree_expr_nonnegative_p): Move to...
12593 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
12594 (rtl_expr_nonnegative_p): New.
12595 * tree.h: Add prototype for rtl_expr_nonnegative_p.
12597 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
12598 CONST_DOUBLE_CHAIN: Move to...
12599 * rtl.h: ...here. Use XCINT/XCEXP.
12601 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
12602 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
12603 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
12606 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
12608 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12610 * config/c4x/c4x.md (return_indirect_internal): New.
12611 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
12613 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12615 * c-common.c (time_char_table): Mark up formats added in C99 and
12616 make other corrections. %D and %g were added in C99. %Og is an
12617 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
12618 C99. %e was added in C99. %Oj is an extension. %G and %z are in
12619 C99 rather than GNU extensions, but %OG and %Oz are extensions.
12620 %h was added in C99. %C was added in C99. %OY and %OC are
12621 extensions. Add the C99 format %F.
12622 (check_format_info): If pedantic and not in C99 mode, warn for C99
12623 formats, %E and %O.
12625 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12627 * function.c (schedule_fixup_var_refs): New function, broken out
12628 of put_reg_into_stack.
12629 (put_reg_into_stack): Use it.
12630 (put_var_into_stack): In CONCAT case, fixup up references for
12631 components only after fixing up references to the whole concat.
12633 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
12635 * alias.c (mark_constant_function): Use INSN_P.
12636 (init_alias_analysis): Likewise.
12637 * combine.c (combine_instructions): Use INSN_P.
12638 (can_combine_p): Likewise.
12639 (try_combine): Likewise.
12640 (distribute_notes): Likewise.
12641 (distribute_links): Likewise.
12642 * cse.c (cse_around_loop): Use INSN_P.
12643 (invalidate_skipped_block): Likewise.
12644 (cse_set_around_loop): Likewise.
12645 (cse_end_of_basic_block): Likewise.
12646 (delete_trivially_dead_insns): Likewise.
12647 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
12648 (unshare_all_rtl_1): Likewise.
12649 (next_cc0_user): Likewise.
12650 (try_split make_insn_raw): Likewise.
12651 (remove_unnecessary_notes): Likewise.
12652 * final.c (shorten_branches): Use INSN_P.
12653 (leaf_renumber_regs): Likewise.
12654 (leaf_renumber_regs_insn): Likewise.
12655 * flow.c (find_label_refs): Use INSN_P.
12656 (verify_wide_reg): Likewise.
12657 (notice_stack_pointer_modification): Likewise.
12658 (count_or_remove_death_notes): Likewise.
12659 (verify_flow_info): Likewise.
12660 (clear_log_links): Likewise.
12661 * function.c (fixup_var_refs_insns): Use INSN_P.
12662 (compute_insns_for_mem): Likewise.
12663 * gcse.c (alloc_gcse_mem): Use INSN_P.
12664 (compute_sets): Likewise.
12665 (compute_hash_table): Likewise.
12666 (classic_gcse): Likewise.
12668 (insert_insn_end_bb): Likewise.
12669 (delete_null_pointer_checks_1): Likewise.
12670 * global.c (expand_preferences): Use INSN_P.
12671 (build_insn_chain): Likewise.
12672 * graph.c (node_data): Use INSN_P.
12673 * haifa-sched.c (priority): Use INSN_P.
12674 (rm_line_notes): Likewise.
12675 (rm_other_notes): Likewise.
12676 (find_insn_reg_weight): Likewise.
12677 (init_target_units): Likewise.
12678 (schedule_block): Likewise.
12679 (compute_block_forward_dependences): Likewise.
12680 (debug_dependencies): Likewise.
12681 (set_priorities): Likewise.
12682 * integrate.c (function_cannot_inline_p): Use INSN_P.
12683 (save_parm_insns): Likewise.
12684 (copy_insn_list): Likewise.
12685 * jump.c (mark_all_labels): Use INSN_P.
12686 (never_reached_warning): Likewise.
12687 * lcm.c (optimize_mode_switching): Use INSN_P.
12688 * local-alloc.c (validate_equiv_mem): Use INSN_P.
12689 (memref_used_between_p): Likewise.
12690 (update_equiv_regs): Likewise.
12691 (block_alloc): Likewise.
12692 (no_conflict_p): Likewise.
12693 * loop.c (scan_loop): Use INSN_P.
12694 (find_and_verify_loops): Likewise.
12695 (count_loop_regs_set): Likewise.
12696 (loop_reg_used_before_p): Likewise.
12697 (strength_reduce): Likewise.
12698 (recombine_givs): Likewise.
12699 (check_dbra_loop): Likewise.
12700 (load_mems): Likewise.
12701 (try_copy_prop): Likewise.
12702 * print-rtl.c (print_rtx): Use INSN_P.
12703 * recog.c (find_single_use): Use INSN_P.
12704 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
12705 (next_flags_user): Likewise.
12706 (swap_rtx_condition): Likewise.
12707 * regmove.c (mark_flags_life_zones): Use INSN_P.
12708 (optimize_reg_copy_1): Likewise.
12709 (optimize_reg_copy_2): Likewise.
12710 (optimize_reg_copy_3): Likewise.
12711 (reg_is_remote_constant_p): Likewise.
12712 (fixup_match_2): Likewise.
12713 (regmove_optimize): Likewise.
12714 (fixup_match_1): Likewise.
12715 * regrename.c (build_def_use): Use INSN_P.
12716 (replace_reg_in_block): Likewise.
12717 (consider_use): Likewise.
12718 * reload.c (find_equiv_reg): Use INSN_P.
12719 * reload1.c (reload): Use INSN_P.
12720 (maybe_fix_stack_asms): Likewise.
12721 (calculate_needs_all_insns): Likewise.
12722 (reload_as_needed): Likewise.
12723 (emit_output_reload_insns): Likewise.
12724 (delete_address_reloads_1): Likewise.
12725 (reload_cse_regs_1): Likewise.
12726 (reload_combine): Likewise.
12727 (reload_cse_move2add): Likewise.
12728 * reorg.c (redundant_insn): Use INSN_P.
12729 (dbr_schedule): Likewise.
12730 * resource.c (find_dead_or_set_registers): Use INSN_P.
12731 (mark_target_live_regs): Likewise.
12732 * rtlanal.c (reg_used_between_p): Use INSN_P.
12733 (reg_referenced_between_p): Likewise.
12734 (reg_set_between_p): Likewise.
12735 (reg_set_p): Likewise.
12736 (single_set): Likewise.
12737 (multiple_sets): Likewise.
12738 (find_last_value): Likewise.
12739 (reg_set_last): Likewise.
12740 (find_reg_note): Likewise.
12741 (find_regno_note): Likewise.
12742 * sibcall.c (sequence_uses_addressof): Use INSN_P.
12743 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
12744 * ssa.c (find_evaluations): Use INSN_P.
12745 (rename_block): Likewise.
12746 (rename_equivalent_regs): Likewise.
12747 * unroll.c (loop_find_equiv_value): Use INSN_P.
12748 (set_dominates_use): Likewise.
12749 * varasm.c (mark_constant_pool): Use INSN_P.
12750 (mark_constants): Likewise.
12751 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
12752 (alphaev4_next_group): Likewise.
12753 (alphaev5_next_group): Likewise.
12754 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
12755 (c4x_rptb_rpts_p): Likewise.
12756 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
12757 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
12758 (rs6000_adjust_priority): Likewise.
12759 * config/sh/sh.c (sh_loop_align): Use INSN_P.
12760 (machine_dependent_reorg): Likewise.
12761 (split_branches): Likewise.
12762 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
12764 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
12766 * combine.c (recog_for_combine): Remove the old notes
12767 prior to attempting to recognize the new pattern.
12768 (distribute_notes): Ignore REG_NONNEG notes.
12770 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
12772 * varasm.c (output_constructor): Add .align 0 for packed vars.
12774 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12776 * configure.in: Use default thread_file even when enable_threads is
12777 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
12778 * configure: Rebuilt.
12780 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
12782 2000-08-04 Donn Terry (donnte@microsoft.com)
12784 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
12786 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
12788 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
12789 Delete code that conditionally modifies 'version'.
12790 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
12791 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
12792 * gcc.c (main): Use it.
12793 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
12794 * prefix.c (update_path): Use it.
12795 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
12796 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
12797 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
12799 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
12800 (SUBTARGET_SWITCHES): Adjust.
12801 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
12803 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
12805 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12807 * c-common.h (flag_isoc94): Declare.
12808 * c-decl.c (flag_isoc94): Define.
12809 (c_decode_option): Set flag_isoc94 as appropriate.
12810 * c-common.c (T_PD, T_IM, T_UIM): Define.
12811 (format_char_info): Add tlen and jlen.
12812 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
12814 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
12816 (time_char_table): Add NULL entries for %t and %j.
12817 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
12818 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
12819 Warn for printf %lf if pedantic and not C99. Don't warn for empty
12820 precision. Allow precision argument to be unsigned int. If
12821 pedantic, warn for %p passed an argument not a pointer to possibly
12822 qualified void or a possibly qualified character type, and for
12823 pointer targets of the wrong sign, except for character pointers.
12825 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12827 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
12828 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
12829 (wint_type_node): Define.
12830 * c-decl.c (WINT_TYPE): Define.
12831 (init_decl_processing): Create the wint_type_node type.
12832 * c-common.c (T_WI): Define.
12833 (print_char_table): Use T_WI for %lc format.
12835 2000-08-04 Bruce Korb <bkorb@gnu.org>
12837 * fixinc/: Verified that the MSDOS patch does not break
12838 the UNIX functionality and applied the next three patches
12841 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
12843 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
12844 output file with the temporary one by appending ".X" to generate
12845 the temporary fuile's name. If the output file already has an
12846 extension, replace it with ".X".
12848 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
12849 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
12850 reallocate the command buffer while copying the command-line
12851 argument. Redirect the output directly to the temporary file,
12852 instead of going through another temporary file.
12853 (process): Close the temporary file before unlinking it.
12854 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
12855 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
12856 (run_compiles): Pass p_fixd argument to machine_matches, as it
12859 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
12860 environment, assume there are no symlinks in the include
12861 directory. When cleaning up the DONE files, look for them
12862 case-insensitively. Don't try to remove symlinks if they aren't
12865 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
12866 all callers changed. Declare pz "const char *", to avoid compiler
12869 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
12870 Change prototype of make_raw_shell_str.
12872 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
12874 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
12875 (initialize) [__MSDOS__]: Use tempnam.
12876 (initialize): Don't use SIGPIPE if it is not defined.
12878 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
12881 2000-07-25 Bruce Korb <bkorb@gnu.org>
12883 * fixinc/fix*.[ch]: substantially reworked to make it possible
12884 to run this program without using fork(2) or pipe(2) (i.e. in
12885 a DOS environment).
12887 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12889 * cppdefault.h (WINT_TYPE): Define.
12890 * cppinit.c (builtin_array): Define __WINT_TYPE__.
12891 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
12892 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
12894 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
12896 * (mips_legitimate_address_p): Don't allow register+offset
12897 if the offset is large and negative, and we are compiling
12898 for 64 bit registers.
12900 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12902 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
12903 insn_code_number + 1.
12905 2000-08-04 Kazu Hirata <kazu@hxi.com>
12907 * h8300.c (function_prologue): Rearrange code for conciseness.
12908 (function_epilogue): Likewise.
12909 * h8300.h (OK_FOR_U): Fix formatting.
12911 * cse.c: Fix a comment typo. Fix formatting.
12913 2000-08-03 Richard Henderson <rth@cygnus.com>
12915 * config/i386/i386.md (return_indirect_internal): New.
12916 * config/i386/i386.c (ix86_expand_epilogue): Use it.
12918 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
12920 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
12922 (lex_line): Glue @ onto the beginning of identifiers and
12923 string constants, in Objective-C mode.
12924 (output_token, spell_token): Handle CPP_OSTRING.
12925 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
12926 beginning of a NAME or a STRING, in objc mode.
12928 * cpplib.c (get_define_node): Do not permit identifiers that
12929 begin with @ to be #defined.
12930 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
12931 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
12933 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
12934 * c-tree.h (build_objc_string): Delete prototype.
12935 * objc/objc-tree.def: Delete OBJC_STRING_CST.
12936 * c-lex.c (yylex): Use build_string for all three kinds of strings.
12938 * c-parse.in, objc/objc-act.c: Update commentary.
12940 2000-08-03 Mark Mitchell <mark@codesourcery.com>
12942 * extend.texi: Fix typo in last change.
12944 * extend.texi: Add commentary on statement-expressions and their
12945 interactions with C++.
12947 2000-08-03 Nick Clifton <nickc@cygnus.com>
12949 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
12950 * dwarf.h (LANG_JAVA): Change value to 0x000b.
12952 2000-08-03 Anthony Green <green@cygnus.com>
12954 * dwarf2out.c (gen_compile_unit_die): Add java language support.
12955 (add_bound_info): Check for java language.
12956 (is_java): New function.
12957 * dwarfout.c (output_compile_unit_die): Ditto.
12958 * dwarf.h (dwarf_source_language): Add java source language type.
12959 * dwarf2.h (dwarf_source_language): Ditto.
12961 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12963 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
12966 * i386.c (ix86_expand_branch): Mode of comparison in
12967 IF_THEN_ELSE is VOIDmode.
12969 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
12971 * gengenrtl.c, rtl.c: Avoid #elif.
12973 2000-08-03 Michael Poole <poole@troilus.org>
12975 * tm.texi (Register Classes): Clarify order of sub-initializers
12976 in REG_CLASS_CONTENTS.
12978 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12980 From SAITOH Masanobu:
12981 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
12983 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
12985 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
12986 is not supported by tradcpp and isn't actually needed for cygwin.
12988 2000-08-03 Kazu Hirata <kazu@hxi.com>
12990 * h8300.c: Fix a comment typo.
12991 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
12993 * jump.c: Fix formatting.
12995 * toplev.c: Fix formatting.
12997 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
12999 * flow.c (find_auto_inc): Verify that we've got a REG before
13000 peeking at its regno. Fail, don't abort if we can't find
13001 the increment of the desired register.
13003 * pa.md (shadd height reduction patterns/splitters): Remove.
13005 2000-08-02 Jim Wilson <wilson@cygnus.com>
13007 * config/ia64/ia64-protos.h (flag_ssa): Declare.
13008 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
13010 2000-08-02 Mark Mitchell <mark@codesourcery.com>
13012 * dce.c: Remove all uses of assert.
13013 * dwarf2out.c: Likewise.
13014 * dwarfout.c: Likewise.
13017 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
13019 * gcc.h (lang_specific_driver): Constify second argument.
13020 * gcc.c (translate_options, process_command, main): Likewise.
13021 Constify variables to match. Cast second argument to
13024 * cppspec.c, gccspec.c: Adjust type of second argument to
13025 lang_specific_driver, and update code as necessary.
13027 2000-08-02 Jakub Jelinek <jakub@redhat.com>
13029 * loop.c (scan_loop): Ensure update_end label does not
13030 go away until reg_scan_update is run.
13032 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
13034 * c-common.h: Prototype min_precision and c_build_qualified_type here...
13035 * c-tree.h: ... not here.
13036 * errors.h: Prototype fancy_abort.
13038 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
13039 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
13040 * regrename.c (regrename_optimize): Make control flow explicit.
13041 (replace_reg_in_block): Initialize reg_use to 0.
13043 * i386.c (legitimate_address_p): Rename error label to
13044 report_error to avoid namespace clash.
13046 2000-08-02 Kazu Hirata <kazu@hxi.com>
13048 * fold-const.c: Fix formatting.
13050 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
13052 * i386.c (legitimate_address_p): Accept other bases than
13053 pic_offset_table_rtx for GOTOFF constructs.
13055 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
13057 * i386.md (shift to lea splitter): Use const_int_operand.
13059 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
13061 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
13062 cppspec.c: Do not use 'legal' or 'illegal' in error messages
13065 * cppmain.c (cb_define, cb_undef): Don't generate any output
13066 if not done_initializing.
13067 * cpplex.c (maybe_paste_with_next): When the token after a ##
13068 is an omitted rest argument, only delete the token before it
13069 if that token is a comma. Do not warn about bogus token
13070 pastes for , ## rest_arg.
13072 * cpp.texi: Update.
13073 * cpp.1: Regenerate.
13075 2000-08-02 Fred Fish <fnf@be.com>
13077 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
13078 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
13081 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
13082 Be directories to search path.
13084 Remove support for __declspec(dllimport) and __declspec(dllexport).
13085 This is leftover cruft from the earlier BeOS gcc port when BeOS
13086 used Microsoft's PE object file format.
13087 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
13088 * config/i386/t-beos (winnt.o): Remove Makefile frag.
13089 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
13090 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
13091 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
13092 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
13093 (REDO_SECTION_INFO_P): Remove.
13094 (ASM_EXPORT_DECL): Remove.
13095 (ASM_DECLARE_FUNCTION_NAME): Remove.
13096 (ASM_DECLARE_OBJECT_NAME): Remove.
13097 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
13098 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
13099 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
13100 (STRIP_NAME_ENCODING): Remove.
13102 Remove support for obsolete version of BeOS that is no longer
13104 * configure.in (i*86-*-beospe*): Remove.
13105 * config/i386/beos-pe.h: Remove.
13107 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
13108 Mark Mitchell <mark@codesourcery.com>
13110 * Makefile.in (OBJS): Added dce.o.
13111 (ssa.o): Updated target to include ssa.h.
13112 (flow.o): Likewise.
13113 (toplev.o): Likewise.
13114 (dce.o): Created target.
13115 * basic-block.h: Added comments.
13116 (INVALID_BLOCK): Added definition.
13117 (connect_infinite_loops_to_exit): Added declaration.
13118 Moved SSA declarations to ssa.h.
13119 * flow.c: Added inclusion of ssa.h.
13120 (struct depth_first_search_dsS, depth_first_search_ds):
13122 (compute_immediate_postdominators): Added definition.
13123 (connect_infinite_loops_to_exit): Likewise.
13124 (flow_dfs_compute_reverse_init): Likewise.
13125 (flow_dfs_compute_reverse_add_bb): Likewise.
13126 (flow_dfs_compute_reverse_execute): Likewise.
13127 (flow_dfs_compute_reverse_finish): Likewise.
13128 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
13129 (LABEL_P): Added definition.
13130 (JUMP_P): Likewise.
13131 (NOTE_P): Likewise.
13132 (BARRIER_P): Likewise.
13133 (JUMP_TABLE_DATA_P): Likewise.
13134 (INSN_DEAD_CODE_P): Likewise.
13135 * ssa.c: Replaced inclusions with ssa.h inclusion.
13136 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
13137 (rename_registers): Removed unnecessary variables.
13138 * ssa.h: Created by moving declarations from ssa.c and
13140 * timevar.def: Defined TV_DEAD_CODE_ELIM.
13141 * toplev.c: Added ssa.h inclusion.
13142 (dump_file_index): Added DFI_dce.
13143 (dump_file): Added "dce" entry.
13145 (f_options): Added dce entry.
13146 * invoke.texi: Document -fdce. Emphasize experimental status of
13150 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
13152 * cpperror.c (v_message): Split into _cpp_begin_message and
13153 v_message macro. All callers updated.
13154 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
13157 * cppfiles.c (cpp_syshdr_flags): New function.
13158 (read_include_file): Don't call cpp_output_tokens. Call
13160 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
13161 (cpp_reader_init): Don't initialize token_buffer. Call
13162 _cpp_init_internal_pragmas.
13163 (cpp_cleanup): Don't clear token_buffer.
13164 (cpp_start_read): Don't worry about output from -D processing.
13165 Don't call cpp_output_tokens.
13166 (cpp_finish): Don't dump macros here. Don't call
13168 * cppmacro.c (_cpp_dump_definition): Rename
13169 cpp_dump_definition. Write directly to a FILE *.
13170 (dump_funlike_macro): Delete.
13171 (dump_macro_args): New.
13173 * cpplex.c (TOKEN_LEN): Convert to inline function.
13174 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
13175 cpp_scan_line, _cpp_dump_list): Delete.
13176 (cpp_printf, cpp_output_list): New.
13177 (output_line_command): Don't worry about entering or leaving files.
13178 (cpp_scan_buffer): Just output each token as we hit it.
13179 (process_directive): Don't call cpp_output_tokens.
13180 (_cpp_glue_header_name): Don't use token_buffer.
13181 (output_token, dump_param_spelling): Write directly to a FILE *.
13183 * cpplib.c (pass_thru_directive, dump_macro_name,
13184 pragma_dispatch, do_pragma_gcc): Delete.
13185 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
13186 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
13188 (do_error, do_warning, pragma_dependency): Call
13189 _cpp_begin_message, then cpp_output_list.
13190 (cpp_register_pragma, cpp_register_pragma_space,
13191 _cpp_init_internal_pragmas): New.
13192 (do_pragma): Walk the pragmas table here.
13193 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
13194 do_pragma_dependency): Return void.
13195 (do_pragma_implementation): Moved to cppmain.c.
13197 * cpplib.h: Update prototypes.
13198 (struct cpp_reader): Remove printer, token_buffer,
13199 token_buffer_size, and limit. Add struct cb, and pragmas.
13200 (struct cpp_printer): Remove last_id and written.
13201 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
13202 CPP_ADJUST_WRITTEN): Delete.
13203 * cpphash.h: Update prototypes.
13204 (ufputs): New wrapper.
13206 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
13207 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
13208 (main): Set up callbacks. Register #pragma implementation.
13209 Dump macros from here.
13211 2000-08-01 Geoff Keating <geoffk@cygnus.com>
13213 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
13214 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
13215 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
13216 insns if they have a REG_MAYBE_DEAD note attached.
13217 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
13218 (rs6000_emit_load_toc_table): TOC loads may go dead.
13220 2000-08-01 Jim Wilson <wilson@cygnus.com>
13222 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
13223 type exists before using it. Use number of words as alignment
13225 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
13226 ia64_va_arg): Propagate ia64_function_args changes here.
13228 2000-08-01 Richard Henderson <rth@cygnus.com>
13230 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
13231 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
13233 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
13235 From Joern Rennecke:
13236 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
13237 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
13238 unless TARGET_SH3E is set.
13239 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
13241 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
13242 (ashlsi3_std): New pattern.
13243 (ashlsi3 expander): Use it for TARGET_SH3.
13244 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
13246 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13248 * loop.c (canonicalize_condition): Use destination, not source to
13249 determine SET's mode.
13251 2000-07-31 Mark Mitchell <mark@codesourcery.com>
13253 * flow.c (clear_log_links): Fix typo.
13255 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
13257 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
13258 on targets which need more than one insn for a compare/cbranch
13261 2000-07-31 Jim Wilson <wilson@cygnus.com>
13263 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
13264 when computing offset.
13266 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
13268 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
13270 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13272 * flow.c (clear_log_links): Nuke global_live_at_start and
13273 global_live_at_end data, since if the log_links stuff is invalid
13274 so is global_live_at_*.
13276 2000-07-31 Richard Henderson <rth@cygnus.com>
13278 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
13280 2000-07-31 Jakub Jelinek <jakub@redhat.com>
13282 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
13283 (_cpp_get_token): Don't macro expand a just pasted token if it
13284 was pasted at no_expand_level.
13286 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13288 * cppmacro.c (find_param, count_params, save_expansion):
13289 Permit 'defined' as a macro parameter name.
13291 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13293 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
13294 xcpp to cpp throughout.
13295 (native): Remove unnecessary dependency on cpp.
13297 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
13298 tradcpp to tradcpp0.
13299 (.i spec): Add missing output-file spec to cc1 command line.
13300 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
13302 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13304 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
13305 (implicit_decl_warning): New function.
13306 (implicitly_declare): Use it.
13307 * c-typeck.c (build_external_ref): Use implicit_decl_warning
13308 to complain about implicit decls of builtins.
13310 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
13311 based on pedantic && flag_isoc99, if not already set.
13312 * c-tree.h: Declare mesg_implicit_function_declaration.
13313 Prototype implicit_decl_warning.
13315 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
13317 * Makefile.in (ssa.o): Updated header files in dependences.
13318 * basic-block.h: Added compute_immediate_postdominators declaration.
13319 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
13321 * flow.c (compute_immediate_dominators): Updated comment.
13322 (compute_immediate_postdominators): Added definition.
13323 * rtl.h (HARD_REGISTER_P): Added definition.
13324 * ssa.c: Include additional header files.
13325 (assert): Added definition.
13326 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
13327 include select hard registers.
13328 (ssa_rename_to_insert): Likewise.
13329 (ssa_rename_from_initialize): Likewise.
13330 (ssa_rename_from_lookup): Likewise.
13331 (original_register): Likewise.
13332 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
13333 include select hard reigsters.
13334 (ssa_rename_from_traverse): Likewise.
13335 (ssa_rename_from_free): Likewise.
13336 (ssa_rename_from_print): Likewise.
13337 (ssa_rename_from_print_1): Likewise.
13338 (ssa_rename_from_hash_function): Likewise.
13339 (ssa_rename_from_equal): Likewise.
13340 (ssa_rename_from_delete): Likewise.
13341 (simplify_to_immediate_dominators): Removed in favor of
13342 flow.c:compute_immediate_dominators.
13343 (find_evaluations_1): Modified to work with hard registers.
13344 (insert_phi_node): Likewise.
13345 (insert_phi_nodes): Likewise.
13346 (struct rename_set_data): Updated prev_reg comment.
13347 (create_delayed_rename): Modified to work with hard registers.
13348 (RENAME_NO_RTX): Updated comment.
13349 (apply_delayed_renames): Modified to work with hard registers.
13350 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
13351 (rename_block): Updated to use revised ssa_rename_to interface.
13352 (rename_registers): Updated to use revised ssa_rename_to and
13353 ssa_rename_from interface.
13354 (convert_to_ssa): Revised to use compute_immediate_dominators and
13355 deal with hard registers.
13356 (make_regs_equivalent_over_bad_edges): Modified to work with hard
13357 registers. Added check for illegal unification of hard register.
13358 (make_equivalent_phi_alternatives_equivalent): Modified to work
13359 with hard registers.
13360 (compute_conservative_reg_partition): Likewise.
13361 (coalesce_if_unconflicting): Modified to work with hard registers
13362 and check for conflicting hard registers.
13363 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
13365 (rename_equivalent_regs_in_insn): Modified to work with hard
13367 (record_canonical_element_1): Added definition.
13368 (check_hard_regs_in_partition): Added definition.
13369 (convert_from_ssa): Added data structure deallocation and check
13370 for illegal hard register unification.
13371 (conflict_hard_regs_p): Added definition.
13372 * toplev.c (rest_of_compilation): Added comment.
13374 2000-07-31 Anthony Green <green@redhat.com>
13376 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
13378 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
13380 * builtins.c (expand_builtin_apply): Don't defer pop during
13383 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13385 * calls.c (combine_pending_stack_adjustment_and_call): Only use
13386 preferred_unit_stack_boundary when it is > 1.
13388 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
13390 * c-common.c (init_function_format_info): Add C99 format functions
13393 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
13394 void' or 'register void' as being the special case of 'void' alone
13395 in a parameter list.
13397 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
13398 discarding qualifiers into a plain warning.
13400 2000-07-31 Kazu Hirata <kazu@hxi.com>
13402 * combine.c: Fix formatting.
13404 * h8300.md: Fix formatting.
13406 * local-alloc.c: Fix formatting.
13408 * h8300.c (get_shift_alg): Remove the variable alg.
13409 (emit_a_shift): Rearrange code to improve readability.
13411 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
13413 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
13414 HImode on all architectures and a combination of HImode and SImode
13415 on H8/300H and H8/S.
13417 * h8300.c (split_adds_subs): Rearrange code for conciseness.
13419 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
13421 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
13422 in my last checkin.
13424 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
13426 * recog.c (extract_insn): Set operand_mode according to
13427 operand if match_operand is VOIDmode.
13429 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
13431 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
13433 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13435 * c-parse.in (extdefs): Call ggc_collect between external
13438 2000-07-30 Michael Hayes <mhayes@cygnus.com>
13439 Richard Henderson <rth@cygnus.com>
13441 * Makefile.in (OBJS): Add doloop.o.
13442 * doloop.c: New file.
13444 * final.c (insn_current_reference_address): Return 0 before final.
13445 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
13446 * jump.c (any_uncondjump_p): Likewise.
13447 * loop.c (indirect_jump_in_function): Make static.
13448 (strength_reduce): Call doloop_optimize.
13449 (insert_bct, instrument_loop_bct): Remove.
13450 * loop.h (doloop_optimize): Prototype.
13451 * recog.c (split_all_insns): Split all INSN_P.
13452 * toplev.c (flag_branch_on_count_reg): Default on.
13454 * config/c4x/c4x.c (c4x_optimization_options): Don't set
13455 flag_branch_on_count_reg.
13456 * config/i386/i386.c (override_options): Likewise.
13457 * config/rs6000/rs6000.c (optimization_options): Likewise.
13459 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
13461 (dbra_ge): Remove, as well as all it's splitters.
13463 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
13466 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
13467 (ia64_register_move_cost): Declare.
13468 * config/ia64/ia64.c (ar_lc_reg_operand): New.
13469 (struct ia64_frame_info): Add ar_size.
13470 (ia64_compute_frame_size): Set it.
13471 (save_restore_insns): Save and restore ar.lc.
13472 (ia64_register_move_cost): New, moved from header file. Handle
13473 application registers.
13474 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
13475 (emit_insn_group_barriers): Special case doloop_end_internal.
13476 (ia64_epilogue_uses): Mark ar.lc live at end.
13477 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
13478 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
13479 (FIRST_PSEUDO_REGISTER): Make room.
13480 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
13481 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
13482 (REG_ALLOC_ORDER): Update.
13483 (HARD_REGNO_MODE_OK): Update.
13484 (REGISTER_NAMES): Update.
13485 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
13486 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
13487 (REGNO_REG_CLASS): Update.
13488 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
13489 (REGISTER_MOVE_COST): Move out of line.
13490 (PREDICATE_CODES): Update.
13491 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
13492 (addsi3_plus1_alt, adddi3_plus1_alt): New.
13493 (shladd_elim splitter): Allow constants in the predicate.
13494 (doloop_end, doloop_end_internal): New.
13496 2000-07-30 Richard Henderson <rth@cygnus.com>
13498 * genattrtab.c (struct insn_def): Add lineno member.
13499 (struct insn_ent): Likewise.
13500 (struct attr_desc): Likewise.
13501 (struct delay_desc): Likewise.
13502 (struct function_unit_op): Likewise.
13503 (struct function_unit): Likewise.
13504 (check_attr_value): Use message_with_line.
13505 (check_defs): Likewise.
13506 (expand_units): Likewise.
13507 (check_attr_test): Take a lineno argument.
13508 (gen_attr): Likewise.
13509 (gen_insn): Likewise.
13510 (gen_delay): Likewise.
13511 (gen_unit): Likewise.
13512 (main): Give it to them.
13513 (convert_set_attr_alternative): Take an insn_def argument
13514 instead of num_alt and insn_index.
13515 (convert_set_attr): Likewise.
13516 (write_test_expr): Protect INSN_ADDRESSES load
13517 with INSN_ADDRESSES_SET_P.
13519 2000-07-30 Richard Henderson <rth@cygnus.com>
13521 * flow.c (init_propagate_block_info): Use pc_set.
13523 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
13525 * i386.md (*lea_general_[123]) New insns and splits.
13526 (addsi3 to lea splitter): Handle other modes too.
13527 (shlsi3 to lea splitter): Likewise.
13528 (addhi_1_lea, shlhi_1_lea): New patterns.
13529 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
13531 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13533 * recog.c (general_operand, nonimmediate_operand): Accept
13534 any mode for VOIDmode CONSTANT_P operands.
13536 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13538 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
13539 instead of replace_rtx.
13540 * recog.c (validate_replace_rtx_subexp): New function.
13541 * recog.h (validate_replace_rtx_subexp): Declare.
13543 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
13545 * combine.c (simplify_set, make_extraction, make_compound_operation
13546 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
13547 as force_to_mode argument.
13549 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
13551 * combine.c (if_then_else_cond): Be sure that mode fits in
13554 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
13556 * combine.c (record_promoted_value): Allow bitsize of mode
13557 to be equivalent to HOST_BITS_PER_WISE_INT.
13559 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13561 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
13562 Do not call gen_mode_alignment when mode is BLKmode.
13564 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
13566 * loop.c (express_from_1): Fix call of simplify_gen_binary.
13568 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
13570 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
13571 VOIDmode implies both operands to be VOIDmode.
13572 (simplify_ternary_operation): Compute properly the mode of comparison.
13573 * combine.c (combine_simplify_rtx): Likewise.
13575 2000-07-25 Michael Hayes <mph@paradise.net.nz>
13577 * basic-block.h (struct loops): New field rc_order.
13578 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
13579 (flow_loops_free): Free rc_order.
13580 (flow_depth_first_order_compute): New parameter rc_order.
13581 (flow_loops_find): Allocate rc_order and swap usage with
13584 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13585 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13587 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
13588 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
13589 (nodb_call, return_from_epilogue): Likewise.
13590 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
13591 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
13592 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
13593 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
13594 (c4x_valid_type_attribute_p): Likewise.
13595 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
13596 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
13598 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13600 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
13601 and loadhi_big_constant if applicable.
13602 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
13603 and add new splitter.s
13605 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13607 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
13609 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13611 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
13613 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13615 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
13617 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13619 * config/c4x/libgcc.S (divqf3): Improve accuracy.
13621 2000-07-27 Mark Mitchell <mark@codesourcery.com>
13623 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
13624 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
13625 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
13626 (get_prev_bb_note): Likewise.
13627 (remove_scope_notes): Likewise.
13628 * flow.c (commit_one_edge_insertion): Likewise.
13629 (merge_blocks_nomove): Likewise.
13630 (verify_flow_info): Likewise.
13631 * gcse.c (insert_insn_end_bb): Likewise.
13632 * reg-stack.c (emit_swap_insn): Likewise.
13633 * ssa.c (first_insn_after_basic_block_note): New function.
13634 (insert_phi_node): Use it.
13635 (rename_block): Likewise.
13636 (eliminate_phi): Likewise.
13637 (make_regs_equivalent_over_bad_edges): Likewise.
13638 (make_equivalent_phi_alternatives_equivalent): Likewise.
13639 (for_each_successor_phi): Likewise.
13640 (convert_from_ssa): Modify phi-node deletion algorithm.
13642 2000-07-29 Andreas Jaeger <aj@suse.de>
13644 * configure.in (mips*-*-linux*): Use mips*el to check for little
13645 endian MIPS, add tmake_file.
13647 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
13648 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
13649 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
13651 2000-07-28 Richard Henderson <rth@cygnus.com>
13653 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
13654 Sign extend mode size before negating.
13656 2000-07-28 Richard Henderson <rth@cygnus.com>
13658 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
13660 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
13662 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
13663 (cse_insn): Likewise.
13664 (addr_affects_sp_p): Likewise.
13665 * expr.c (move_by_pieces): Likewise.
13666 (clear_by_pieces): Likewise.
13667 * gcse.c (oprs_unchanged_p): Likewise.
13668 * haifa-sched.c (sched_analyze_2): Likewise.
13669 * recog.c (offsettable_address_p): Likewise.
13670 * regclass.c (record_address_regs): Likewise.
13671 * reload.c (find_reusable_reload): Likewise.
13672 (push_reload): Likewise.
13673 (operands_match_p): Likewise.
13674 (decompose): Likewise.
13675 (find_reloads_address_1): Likewise.
13676 (find_inc_amount): Likewise.
13677 * reload1.c (elimination_effects): Likewise.
13678 * resource.c (mark_set_resources): Likewise.
13679 * flow.c (attempt_auto_inc): New function; mostly broken out
13681 (find_auto_inc): Split into two functions and enhanced to
13682 generate POST_MODIFY.
13683 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
13684 * rtl.h (count_all_occurrences): Declare.
13685 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
13687 * rtlanal.c (count_all_occurrences): New function.
13688 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
13689 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
13691 * config/ia64/ia64-protos.h (destination_operand): Declare.
13692 * config/ia64/ia64.c (destination_operand): New function.
13693 (ia64_print_operand): Handle POST_MODIFY.
13694 (rtx_needs_barrier): Likewise.
13695 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
13696 (HAVE_POST_MODIFY_REG): Define to 1.
13697 (MAX_REGS_PER_ADDRESS): Change to 2.
13698 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
13699 (LEGITIMATE_ADDRESS_REG): New helper macro.
13700 (LEGITIMATE_ADDRESS_DISP): Likewise.
13701 (PREDICATE_CODES): Add entry for destination_operand.
13702 * config/ia64/ia64.md (all mov patterns): Use destination_operand
13703 predicate for operand 0.
13705 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13707 * dwarf2out.c: Indent #error directive.
13709 * gbl-ctors.h: Fix typo in comment.
13710 (__do_global_ctors): Prototype.
13712 * gcse.c (record_one_set, pre_delete): Remove unused variables.
13714 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
13715 (print_operand): Initialize variable `t'.
13717 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
13719 * config/arm/arm.md ("call_value"): removed constraints.
13720 Constraints are ignored in expanders.
13721 (*call_value_reg): split =rf into various constraints.
13722 (*call_value_mem): same
13723 (*call_value_symbol): same
13724 (*sibcall_value_insn): same
13726 2000-07-28 Philipp Thomas <pthomas@suse.de>
13728 * install.texi (--enable-nls): Change the description of the NLS
13729 related configure options to match the current state.
13730 (--with-included-gettext): Likewise.
13731 (--enable-maintainer-mode): New description added.
13732 * extend.texi (-fstrict-prototype): Add missing '.'.
13734 2000-07-27 Jim Wilson <wilson@cygnus.com>
13736 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
13737 DECL_INITIAL (decl) == NULL_TREE.
13739 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
13741 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
13742 on insn-attr.h with it.
13743 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
13744 * insn-addr.h: New header.
13745 (insn_addresses_): Renamed from insn_addresses.
13746 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
13747 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
13748 INSN_ADDRESSES_NEW): New macros.
13749 * genattrtab.c (write_test_expr): Use new macros.
13750 * final.c (insn_addresses, init_insn_lengths): Likewise.
13751 (align_fuzz, shorten_branches): Likewise.
13752 (final): Likewise. Do not reject new insns if their addresses
13753 have been added to INSN_ADDRESSES.
13754 * config/arm/arm.c, config/avr/avr.c: Use new macros.
13755 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
13756 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
13757 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
13758 * config/sh/sh.c: Likewise.
13759 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
13761 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
13763 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
13765 * gcc.c (struct prefix_list): Add member priority.
13766 (enum path_prefix_priority): Declare.
13767 (add_prefix): Replace ``first'' with ``priority''. Append new
13768 entry but keep list in priority order.
13769 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
13770 PREFIX_PRIORITY_LAST to add_prefix.
13771 (process_command): Move include kludge - foo/stageN - to before
13774 2000-07-27 Jason Merrill <jason@redhat.com>
13776 * dwarf2out.c (gen_typedef_die): Abort if we get identical
13777 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
13779 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
13781 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
13782 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
13784 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
13786 * c-decl.c (finish_function): Don't treat 'main' specially unless
13787 flag_hosted. In C99 mode, return 0 from 'main' unless
13788 DEFAULT_MAIN_RETURN is otherwise defined.
13790 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
13791 parameters defaulting to int in an old-style function definition.
13793 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13795 * c-parse.in (string): For -Wtraditional, warn about string
13796 concatenation only once per line.
13798 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
13800 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
13801 for HI-UX/WE2 systems.
13803 2000-07-24 Bruce Korb <bkorb@gnu.org>
13805 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
13806 defining the __xxx_TYPE__ macros.
13807 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
13808 * fixincl/fixlib.h: don't need to include "tm.h" anymore
13809 * fixincl/inclhack.def(type_map): now obsolete
13811 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
13813 * cpp.texi: Append a trailing full-stop to xrefs where needed.
13815 2000-07-26 Dave Pitts <dpitts@cozx.com>
13817 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
13819 (mvs_hash_alias): New function.
13820 (mvs_add_alias): Change argument spacing.
13821 (mvs_need_alias): Change aliasing criteria. Added documentation.
13822 (mvs_get_alias): Change to use hashed name. The hashed name prevents
13823 CSECT name collisions.
13824 (mvs_check_alias): Likewise.
13825 (handle_pragma): Change documentation.
13826 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
13827 mode from SImode to DImode.
13828 (iorhi3): Changed LTORG size for insn.
13830 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
13832 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
13833 mem if the address is a mode_dependent_address_p.
13835 2000-07-26 Kazu Hirata <kazu@hxi.com>
13837 * h8300.c (print_operand): Print ":8" when the 'R' operand is
13838 suitable for 8-bit absolute.
13839 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
13840 (OK_FOR_U): Add a case for the 8-bit constant address on the
13843 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
13845 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
13846 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
13847 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
13848 lack of implemented alignment.
13850 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
13852 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
13853 cross-compiling between 64-bit and 32-bit machines.
13855 2000-07-27 Richard Henderson <rth@cygnus.com>
13857 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
13858 (movhicc_astep, movhi_internal_astep): New.
13859 (movsicc_astep, movsi_internal_astep): New.
13860 (movdicc_astep, movdi_internal_astep): New.
13861 (movsfcc_astep, movsf_internal_astep): New.
13862 (movdfcc_astep, movdf_internal_astep): New.
13863 (movxfcc_astep, movxf_internal_astep): New.
13864 (cmovdi_internal_astep, cmovsi_internal_astep): New.
13865 Unify the cmov[ds]i splitters.
13867 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
13869 * real.c (asctoeg): Rename `error' label to unexpected_char_error
13871 2000-07-26 Nick Clifton <nickc@cygnus.com>
13873 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
13874 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
13876 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
13877 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
13879 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
13881 * c-decl.c (finish_enum): Convert enumerations that fit in an
13883 (build_enumerator): In pedantic mode, cast to `int' those that
13886 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
13888 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
13890 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13892 * sh.md (cmpgtdi_t): Must be split.
13893 (cmpgtdi_t+1): New splitter.
13895 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13897 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
13898 warnings for indented directives even if we are skipping.
13900 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
13902 * invoke.texi (strict-prototypes): Remove.
13903 * extend.texi (Deprecated Features): Add strict-prototypes.
13904 (Backwards Compatibility): New node.
13906 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13908 * config/i386/i386.md (andsi_1+1): Allow HImode.
13909 (andsi_1+2): Require q_regs_operand.
13911 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13913 * config/i386/i386.md (call_pop): Check operands[0],
13914 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13916 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13917 (call_value): Likewise.
13919 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13921 * toplev.c (pipe_closed): Delete.
13922 (crash_signal): New. Generate ICE for a fatal signal.
13923 (float_signal): Call crash_signal outside a float-handler
13925 (main): Install crash_signal as handler for core-dumping signals.
13927 2000-07-25 David Edelsohn <edelsohn@gnu.org>
13929 * rs6000.c (print_operand, case 'T'): New case.
13931 * rs6000.md (call_indirect_aix32): Convert to expander of
13932 scheduled instructions.
13933 (call_indirect_aix64): Likewise.
13934 (call_value_indirect_aix{32,64}): Likewise.
13935 (call, call_value): Invoke expanders for AIX. Fall through to
13937 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
13938 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
13939 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
13940 only "g" constraint.
13941 (call_nonlocal_aix64): Likewise.
13942 (call_value_nonlocal_aix{32,64}): Likewise.
13943 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
13945 (call_value_nonlocal_sysv): New pattern.
13946 (indirect_jump{si,di}): Use new 'T' modifier.
13947 (tablejump{si,di} matchers): Likewise.
13948 (return_internal_{si,di}): Likewise.
13949 (return_eh_{si,di}): Likewise.
13951 2000-07-24 Richard Henderson <rth@cygnus.com>
13953 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
13954 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
13955 * config/ia64/ia64.md (movdi_internal): Use it.
13957 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
13959 * cppexp.c: Warn about unary + if -Wtraditional.
13960 * cpplex.c (lex_line): Always set BOL on the first token of a line.
13962 2000-07-24 Michael Meissner <meissner@redhat.com>
13964 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
13967 2000-07-24 Nick Clifton <nickc@cygnus.com>
13969 * config/arm/arm.c (emit_multi_reg_push): Generate a
13970 REG_FRAME_RELEATED_NOTE that is compatable with the code in
13971 dwarf2out_debug_frame_expr.
13973 2000-07-24 Jason Merrill <jason@redhat.com>
13975 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
13976 UNALIGNED_INT_ASM_OP.
13977 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
13978 a location expression.
13979 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
13980 assume indirect access if we're saving the CFA address exactly.
13982 * Makefile.in (bootstrap): Move -BstageN/ to the end.
13984 2000-07-24 Jakub Jelinek <jakub@redhat.com>
13986 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
13989 2000-07-24 Michael Meissner <meissner@redhat.com>
13991 * invoke.texi (D30V Options): Add d30v options.
13993 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
13995 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
13996 needed by our gcse pass anymore.
13997 (free_pre_mem): Corresponding changes.
13998 (compute_pre_data): Do not call compute_transpout anymore.
14000 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
14001 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
14004 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
14005 (compute_pre_data): Do it here instead.
14007 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
14009 (pre_delete): Corresponding changes.
14011 2000-07-23 Mark Mitchell <mark@codesourcery.com>
14013 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
14014 to figure out whether or not a variable has already been emitted.
14016 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
14018 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
14019 instead of gen_call.
14021 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
14023 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
14025 2000-07-23 Kazu Hirata <kazu@hxi.com>
14027 * h8300.c: Fix formatting.
14029 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
14031 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
14032 for `long' switch expression into a plain warning.
14034 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
14035 (yylex): Don't pedwarn for "inline" in C99 mode.
14037 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
14039 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
14040 ggc_alloc): Likewise.
14041 * bb-reorder.c (dump_scope_forest_1): Likewise.
14043 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
14045 * reload.c (find_reloads_toplev): Add new parameter
14046 "address_reloaded".
14047 (find_reloads): Add new parameter to find_reloads_toplev calls.
14049 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
14051 * collect2.c (main): Typo fixed.
14052 * diagnostic.c: Typo fixed.
14053 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
14054 * eh-common.h: Typo fixed.
14055 * emit-rtl.c (start_sequence): Typo fixed.
14056 * flow.c (find_label_refs): Typo fixed.
14057 (calculate_global_regs_live): Typo fixed.
14058 (mark_regno_cond_dead): Typo fixed.
14059 (create_edge_list): Typos fixed.
14060 (verify_edge_list): Typo fixed.
14061 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
14062 * loop.c (strength_reduce): Typo in function name fixed.
14063 * rtl.h: Added comments. Typo in function name fixed.
14064 * rtlanal.c: Typo in function name fixed.
14065 (insn_dependant_p): Rename to ...
14066 (insn_dependent_p): ... this.
14067 (computed_jumo_p): Typo fixed.
14069 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14071 * system.h (__FUNCTION__): Wrap definition in #ifndef.
14073 2000-07-21 David Edelsohn <edelsohn@gnu.org>
14075 * rs6000.h (SIZE_TYPE): Define.
14077 2000-07-21 Mark Mitchell <mark@codesourcery.com>
14079 * ssa.c (rename_insn_1): Don't rename registers that are
14082 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
14084 * diagnostic.c (trim_filename, fancy_abort): Moved here from
14086 (fatal_function, set_fatal_function): Removed.
14087 (fatal): Don't prepare for or call the fatal_function.
14088 (diagnostic_lock, error_recursion): New.
14089 (diagnostic_for_decl, report_diagnostic): Guard against
14090 re-entering the error reporting routines.
14091 (fancy_abort): Assume function is not NULL.
14093 * errors.c (fancy_abort): New. Assume function is not NULL.
14094 * tradcpp.c (fancy_abort): Assume function is not NULL.
14096 * system.h: Provide default definition of __FUNCTION__.
14097 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
14098 Always use __FUNCTION__ in definition of abort.
14099 * tree.h: Likewise.
14100 * varray.h: Likewise.
14101 * toplev.h: Likewise. Don't prototype set_fatal_function.
14103 2000-07-20 Geoff Keating <geoffk@cygnus.com>
14105 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
14107 * glimits.h: Don't do #if defined for ARCH_PPC.
14109 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
14110 constants of size no larger than a pointer should go in the TOC.
14111 Add 'MODE' parameter.
14112 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
14113 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
14114 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
14115 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
14116 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
14117 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
14118 (rs6000_legitimize_address): Likewise.
14119 (rs6000_emit_move): Likewise.
14120 (rs6000_select_rtx_section): Likewise.
14121 (output_toc): Deal properly with outputting small constants like
14122 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
14123 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
14124 MODE parameter. Put small constants in the TOC.
14126 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
14128 (rs6000_emit_move): When reload calls us with an illegitimate
14129 address, exit early. Move the change_address calls to one place
14130 at the end of the routine. Merge the SImode and DImode expanders.
14131 When called by reload to put an integer into a FP register, force
14134 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
14136 (rs6000_hash_constant): Hash mode too.
14137 (toc_hash_function): Allow for key_mode.
14138 (toc_hash_eq): Structures are different if key_mode differs.
14139 (output_toc): Add 'mode' parameter. Save key_mode.
14140 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
14141 Pass 'mode' parameter.
14142 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
14144 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
14145 for vtable references.
14147 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
14148 choice, don't put integer values in FP regs.
14150 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
14152 * flow.c (verify_flow_info): Revamp code to verify that the
14153 head and end of each basic block are in the insn chain.
14155 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
14157 * gcse.c (record_one_set): Prepend instead of append onto
14158 reg_set_table, making it O(n) instead O(n^2).
14159 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
14160 Use a queue instead of a stack as worklist.
14162 2000-07-20 Kazu Hirata <kazu@hxi.com>
14164 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
14165 * h8300.h (OK_FOR_T): New.
14166 (EXTRA_CONSTRAINT): Support OK_FOR_T.
14167 * h8300.md: Use inc/dec.[wl] for increment/decrement
14168 by 1 and 2 in HI and SI modes.
14170 2000-07-20 Jim Wilson <wilson@cygnus.com>
14172 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
14173 larger than 14 bits.
14175 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
14177 * cppmacro.c (CAN_PASTE_AFTER): New macro.
14178 (count_params): Don't set GNU_REST_ARGS on anything.
14179 (save_expansion): Set PASTE_LEFT only on tokens for which
14180 CAN_PASTE_AFTER is true, or which are named operators.
14182 * cpplex.c (parse_args): Distinguish between a rest argument
14183 given one empty argument, and a rest argument given zero arguments.
14184 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
14185 deletion of previous token based on that.
14186 (get_raw_token): Flatten some control structure.
14188 * cpplib.h (CPP_LAST_EQ): Correct.
14189 (VOID_REST): New token flag.
14190 (GNU_REST_ARGS): Delete.
14192 * tradcpp.c (main): Don't munge -D options.
14193 (make_definition): Bring -D handling in line with cpplib.
14194 (do_define): Strip all leading whitespace from macro definitions.
14196 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
14198 * Makefile.in (tradcpp): Depend on intl.o and version.o.
14200 2000-07-20 Bruce Korb <bkorb@gnu.org>
14202 * fixincl/check.tpl: strip the platform specific types before testing
14203 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
14204 * fixincl/fixincl.tpl: use platform specific types
14205 * fixincl/fixlib.h: include the platform specific types
14206 * fixincl/inclhack.def(gnu_types): don't supply the types
14207 * fixincl/fixincl.x: regen
14209 2000-07-19 Jim Wilson <wilson@cygnus.com>
14211 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
14214 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14216 * tradcpp.c (rescan): Do not recognize directives when the #
14219 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14221 Implement C++ named operators.
14223 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
14224 of operators allowed in #if and having an _EQ variant. Add
14225 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
14226 (cpp_token flags): Add NAMED_OP.
14227 (enum node_type): Add T_OPERATOR.
14228 (struct cpp_hashnode): Add code slot to value union.
14229 * cpphash.h (spec_nodes): Remove n_defined.
14231 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
14232 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
14233 (is_macro_disabled): Tweak error messages.
14235 * cpplib.c (get_define_node): Disallow all named operators as
14236 macro names. Tweak error messages.
14237 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
14239 * cppinit.c (builtin_array): Add entries for the named operators.
14240 * cppexp.c (lex): Check for CPP_DEFINED token.
14241 (priority table): Add entries for CPP_MIN and CPP_MAX.
14242 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
14244 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
14246 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
14247 larger than the array of cuids.
14248 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
14251 2000-07-19 Bruce Korb <bkorb@gnu.org>
14253 * fixinc/fixincl.c: Convert to using a table of environment variables
14254 and activate the auto-edit marker on the fixed output files.
14255 * fixinc/fixlib.h: Define the environment table
14256 * fixinc/fixincl.sh: export the ${INPUT} dir
14257 * fixinc/check.tpl: likewise
14259 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14261 * gcc.c (.h spec): Fix typo.
14263 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
14265 * Makefile.in: Fix tradcif.c path.
14267 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14269 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
14272 * cpphash.h (TOKEN_NAME): New macro.
14273 (_cpp_spell_operator): Deleted.
14274 (token_spellings): Now _cpp_token_spellings.
14276 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
14277 * cpplex.c: Use OP and TK macros when expanding the
14278 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
14279 store the stringification of the enumeration name (CPP_CHAR,
14280 etc.) in the name slot of token_spellings.
14281 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
14282 token_spellings directly.
14283 * cpplib.c: Use TOKEN_SPELL.
14285 * cpplex.c (_cpp_push_token): If the token being pushed back
14286 is the previous token in this context, just subtract one from
14288 * cppmacro.c (save_expansion): Clear aux field when storing a
14291 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14293 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
14294 buffer, provided it is not NULL.
14296 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
14298 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
14299 case of invalid volatile re-declaration.
14301 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14303 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
14304 (expand_call): Adjust caller.
14306 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
14308 * diagnostic.h (report_diagnostic): Change prototype.
14310 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
14311 diagnostic_for_decl): Change prototype.
14312 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
14313 error, warning, error_with_file_and_line,
14314 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
14315 Adjust call to report_diagnostic, diagnostic_for_decl.
14316 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
14317 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
14319 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
14320 varaible argument list.
14322 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14324 * cpphash.c: Don't include hashtab.h. Most macro-handling code
14325 moved to cppmacro.c.
14326 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
14327 dump_hash_helper): Delete.
14328 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
14329 cpp_forall_identifiers): New. Implement specialized version of
14330 Vlad's expandable hash table.
14331 (cpp_lookup): Use new functions.
14332 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
14334 * cppmacro.c: New file.
14335 * cppinit.c (dump_macros_helper): New.
14336 (cpp_finish): Iterate over the identifier table directly.
14337 * cpplex.c (parse_name): Calculate the hash of the identifier
14338 while we scan it. Use _cpp_lookup_with_hash when we can.
14340 * cpphash.h: Update prototypes.
14341 (xcnewvec, HASHSTEP): New helper macros.
14342 * cpplib.h: Update prototypes.
14343 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
14344 (cppmacro.o): New rule.
14345 (cpphash.o): Update deps.
14347 * cppmain.c: Do not set pfile->printer if no_output is on.
14349 2000-07-15 Neil Booth <neilb@earthling.net>
14351 * cpplib.c: Change all directive-handler functions to return
14353 * cpphash.h: Update typedefs.
14355 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14357 * configure: Regenerate.
14359 * extend.texi (Extended Asm): Mention that a memory clobber
14360 does not count as a side-effect.
14362 * unroll.c (copy_loop_body): Fix one instance of using host
14363 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
14366 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
14368 2000-07-17 Richard Henderson <rth@cygnus.com>
14370 * config/ia64/ia64.md (movdi): Split out load address code.
14371 New post-reload splitter for symbolic operands.
14372 (movdi_internal): Abort if we didn't split symbolic operands
14373 when we should have.
14374 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
14375 (ia64_reorg): Split insns when not optimizing.
14376 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
14378 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
14380 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
14381 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
14383 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14385 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
14387 2000-07-17 Jason Merrill <jason@redhat.com>
14389 * Makefile.in (clean): Remove libgcc directory.
14391 * configure.in (-Wno-long-long check): Use higher-level macros.
14393 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14395 * simplify-rtx.c (simplify_binary_operation): Recognize
14396 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
14397 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
14398 a CONST_INT, it will always be zero.
14400 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14402 * loop.c (check_dbra_loop) : Return if more than one condition is
14403 present to control the loop.
14405 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
14407 * mips.c (mips_expand_prologue): Don't calculate the last argument
14408 register unless we need it. When we are calculating this, make
14409 sure FUNCTION_ARG is giving us a REG.
14411 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
14413 * flow.c (libcall_dead_p): Use single_set to verify the insn
14414 has only one set and get for analysis.
14415 (propagate_one_insn): Don't pass the PATTERN of the insn.
14417 2000-07-17 Mark Klein <mklein@dis.com>
14419 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
14421 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14423 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
14424 * configure.in (TARGET_GETGROUPS_T): Evaluate.
14425 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
14426 of second argument of getgroups.
14427 * configure, config.in: Rebuilt.
14429 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14431 * simplify-rtx.c (simplify_relational_operation): Two signed
14432 values with equal high words are less/greater than each other if
14433 their low words are less/greater when considered as unsigned.
14435 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
14437 * configure.in (vax-*-openbsd): Change to new style configuration,
14438 add collect2/float_format information.
14439 * configure: Rebuilt.
14440 * config/vax/openbsd1.h: New.
14441 * config/vax/openbsd.h: New.
14442 * config/vax/t-openbsd: New.
14444 2000-07-17 Chip Salzenberg <chip@valinux.com>
14446 * c-common.c (shorten_compare): Quiet warnings about unsigned
14447 comparisons with zero when they occur in a system header.
14449 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
14451 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
14452 update to describe current practice.
14454 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
14456 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
14457 references to C9X. Change references to -fstd and -flang-isoc9x
14460 * c-common.c (scan_char_table): Allow "z" length modifiers on
14462 (check_format_info): Use TYPE_DOMAIN on the type matched against
14463 for "z" formats, to retrieve the language size_t rather than the
14466 * c-common.c (check_format_info): Do not make a pedantic objection
14467 to the 'L' length modifier if used with a floating point type
14470 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
14471 constants in C99 mode.
14473 2000-07-17 Kazu Hirata <kazu@hxi.com>
14475 * h8300.md: Fix the format of mac.
14476 (movsi_h8300hs): Output a tab after stmac instead of a space.
14478 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
14479 profitable adds/subs sequences.
14481 * fold-const.c: Fix comment typos.
14483 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
14485 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
14487 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14489 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
14491 2000-07-16 Neil Booth <NeilB@earthling.net>
14493 * cpplex.c: Update comments.
14494 * README.Portability: Small update.
14496 2000-07-16 Neil Booth <NeilB@earthling.net>
14498 * README.Portability: Small update.
14500 2000-07-15 Richard Henderson <rth@cygnus.com>
14502 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
14503 * config/ia64/ia64.c (ia64_move_ok): New function.
14504 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
14505 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
14507 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
14509 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
14510 immediately following a paste operator.
14511 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
14512 (cpp_reader_init): Call it, if HOST_EBCDIC.
14513 (cpp_handle_options): Do not sort option list here.
14514 (handle_option): Rename to cpp_handle_option and export.
14515 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
14516 _cpp_get_token directly.
14517 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
14518 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
14519 * cpplib.h: Prototype cpp_handle_option. Update prototype of
14522 2000-07-15 Richard Henderson <rth@cygnus.com>
14524 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
14525 cast around an expression. Tidy other unsigned tests.
14527 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
14529 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
14530 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
14531 (v_message_with_decl): Rename to ...
14532 (format_with_decl): ... this. Tweak
14533 (diagnostic_for_decl): New function.
14534 (fatal_io_error): Use verbatim in lieu of notice.
14535 (announce_function): Use verbatim.
14536 (default_print_error_function): Likewise.
14537 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
14540 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14542 * mips.c (function_arg_pass_by_reference): Don't do automatic
14543 aggregate initialization.
14544 (machine_dependent_reorg): Initialize variable `mode'.
14546 * mips.md (absdi2): Change variable `regno1' to unsigned int.
14547 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
14548 conflicts with sys/param.h macro of the same name.
14549 (reload_outdi): Likewise.
14551 2000-07-15 Michael Meissner <meissner@redhat.com>
14553 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
14554 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
14555 create a new node instead.
14557 2000-07-15 Neil Booth <NeilB@earthling.net>
14559 * README.Portability: Correct example about calling a function
14560 through a pointer to function. Format wide paragraphs.
14562 2000-07-15 Michael Meissner <meissner@redhat.com>
14564 * README.Portability: Update integer suffixes and function
14565 prototype sections.
14567 2000-07-15 Neil Booth <NeilB@earthling.net>
14569 * README.Portability: Small update.
14571 2000-07-15 Neil Booth <NeilB@earthling.net>
14573 * README.Portability: New file.
14575 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
14577 * INSTALL: Give special instructions for building GCC on Irix 6.
14578 * config/mips/x-iris6 (CC): Don't set it.
14581 2000-07-14 Jason Merrill <jason@redhat.com>
14583 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
14584 register in the stack and later in another register, use the new
14587 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
14589 * config/mips/mips.md: (absdi2): Handle sign_extend for
14592 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
14594 * cpplib.c (do_pragma_dependency): Tidy warning messages.
14596 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
14598 * .cvsignore: Correct typo.
14600 2000-07-13 Mark Mitchell <mark@codesourcery.com>
14602 * .cvsignore: Add generated YACC files.
14603 * objc/.cvsignore: New file.
14605 2000-07-14 Neil Booth <NeilB@earthling.net>
14607 * cpplex.c (adjust_column): New funcion.
14608 (skip_whitespace): Use it.
14609 (skip_block_comment): Use it, and warn about /*/* with
14612 2000-07-14 Neil Booth <NeilB@earthling.net>
14614 * cpphash.c (struct macro_info): Add new members.
14615 (_cpp_free_definition): Delete the macro directly.
14616 (count_params): Return void, with first token of
14617 expansion in struct macro_info on success.
14618 (parse_define): Return int. Hoist syntax checking from
14619 save_macro_expansion. Leave call to save_expansion to
14620 _cpp_create_definition.
14621 (alloc_macro): Needs just 2 arguments.
14622 (free_macro): Delete.
14623 (save_expansion): Don't perform syntax check.
14624 (_cpp_create_definition): Call save_expansion.
14626 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14628 * genrecog.c (write_header): Split long string.
14630 * cpphash.c (macro_info): Don't use the `signed' keyword.
14632 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
14634 2000-07-13 Jakub Jelinek <jakub@redhat.com>
14636 * calls.c (stored_args_map): New variable.
14637 (check_sibcall_argument_overlap_1): New.
14638 (check_sibcall_argument_overlap): New.
14639 (expand_call): Initialize stored_args_map.
14640 Call check_sibcall_argument_overlap.
14642 2000-07-13 Bruce Korb <bkorb@gnu.org>
14644 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
14645 (emit_gnu_type): utility procedure for gnu_type_fix
14646 (gnu_type_fix): implement various pre-processor guards around
14647 standard types so these types can be defined over and over
14648 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
14649 types alluded to above will have GNU-compliant base types
14650 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
14651 * fixinc/inclhack.def: add test_text entries and utilize the new
14652 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
14653 * fixinc/fixincl.x: regenerate
14655 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
14657 * diagnostic.c (vline_wrapper_message_with_location,
14658 v_message_with_file_and_line, v_error_with_file_and_file,
14659 v_error_for_asm, v_warning_for_asm, vfatal,
14660 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
14661 vsorry, verror, vwarning, vpedwarn): Remove.
14662 (diagnostic_for_asm): New function.
14663 (pedwarn, error, warning, pedwarn_with_file_and_line,
14664 error_with_file_and_line, warning_with_file_and_line, sorry,
14665 error_for_asm, warning_for_asm, fatal): Reimplement.
14666 (finish_diagnostic): Clear diagnostic info as well.
14668 2000-07-13 Neil Booth <NeilB@earthling.net>
14670 * c-common.h (flag_digraphs): New.
14671 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
14672 * c-lex.c (yylex): Use flag_digraphs to decide whether to
14675 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
14677 * gcc.c (do_spec_1): Add new %B operator.
14678 (set_input): Prepare for %B.
14680 (link_command_spec): Move up with the other tm.h-
14681 overrideable specs. Factor out the portion conditional on
14682 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
14683 (struct compiler): Just have a single spec string. All users
14685 (default_compilers): Remove unnecessary braces.
14686 (static_specs): Update.
14688 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
14690 (C and assembly specs): Use the new named specs, as appropriate.
14692 * objc/lang-specs.h: Use the new named specs.
14693 Remove unnecessary braces.
14695 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14697 * gcc.c (execute): If a subprocess gets a fatal signal, report
14698 strsignal() of the signal number, and ask for a bug report.
14699 Do not do this for SIGPIPE if there's already been an error.
14701 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
14702 Delete pipe_closed.
14704 * tradcif.c: Remove.
14706 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14708 * final.c (profile_function): Do not emit profile counters in
14709 the data section, if NO_PROFILE_COUNTERS is defined.
14710 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
14713 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
14714 (FUNCTION_PROFILER): Just emit a call to mcount.
14716 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14718 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
14720 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
14721 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
14722 traditional, lang_chill, or lang_fortran.
14724 * cppfiles.c: #undef strcmp to suppress warning about macros
14725 used without arguments.
14726 (_cpp_execute_include): Use f, not fname, in "No include path"
14728 (_cpp_pop_file_buffer): New function.
14729 * cpplib.c: Don't include <sys/mman.h>.
14730 (cpp_push_buffer): Set line_base and lineno in new buffer.
14731 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
14733 * cpplex.c: Move all prototypes and structure declarations to the
14734 top of the file. Properly parenthesise some macro arguments.
14735 (cpp_scan_line): New function.
14736 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
14737 don't need to walk up the stack counting.
14739 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14741 * c-common.c (combine_strings): Emit a pedantic warning when a
14742 string length is greater than the minimum ANSI C is required
14745 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
14747 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
14748 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
14750 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14752 * c-decl.c (define_label): Warn about identifier conflicts with
14753 labels in traditional C.
14755 * c-parse.in (unop +): Warn about the unary plus operator for
14758 * c-typeck.c (store_init_value): Warn about automatic aggregate
14759 initialization for traditional C.
14761 * invoke.texi (-Wtraditional): Document new warnings.
14763 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14765 * Makefile.in (c-errors.o): Fix thinko in dependency.
14767 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14769 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
14770 -traditional, -ftraditional, or -traditional-cpp was given.
14771 Do not pass -traditional to the preprocessor.
14772 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
14773 preprocessor does it automatically.
14774 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
14776 * ch/lang-specs.h: Always use tradcpp. Do not pass
14777 -traditional, -trigraphs, or -pedantic to the preprocessor.
14778 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
14781 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14783 * cppexp.c (LOGICAL): Delete macro.
14784 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
14787 * cpphash.c (HASHSIZE): Increase to 4096.
14788 (struct hashdummy): Add hash field.
14789 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
14790 the string values using memcmp.
14791 (cpp_lookup): Set dummy.hash.
14793 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
14795 * configure.in (m88k-openbsd): Express configuration using new fragment
14797 * configure: Rebuilt.
14798 * m88k/aout-dbx.h: New.
14799 * m88k/openbsd.h: New.
14800 * m88k/xm-openbsd.h: New.
14802 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14804 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
14806 2000-07-12 Richard Henderson <rth@cygnus.com>
14808 * reload.c (push_secondary_reload): Make sure to add the new
14809 reload at the end, after acquiring secondary memory.
14811 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14813 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
14815 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
14816 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
14818 * c-parse.in (stmt): Delete unused variables.
14820 * convert.c (convert_to_vector): Likewise.
14822 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
14824 * tree.c (finish_vector_type): Prototype.
14826 2000-07-12 Bruce Korb <bkorb@gnu.org>
14828 * fixinc/fixfixes.c: use xmalloc
14829 * fixinc/fixincl.c(initialize): set program name for xmalloc
14830 * fixinc/fixlib.c(must_malloc): obsolete
14831 (is_cxx_header): no longer used - disabled
14832 (skip_quote): inserted and disabled for future use
14833 * fixinc/fixlib.h: reflects above
14834 * fixinc/fixtests.c: removed dinkleberries
14836 2000-07-12 Neil Booth <NeilB@earthling.net>
14838 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
14839 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
14841 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
14842 struct toklist_dummy): New.
14843 (cpp_free_definition): Free macros with free_macro.
14844 (count_params): Don't save paramter spellings. Save macro
14845 information in a struct macro_info.
14846 (parse_define): Don't allocate a token list.
14847 (save_expansion): Allocate the macro's token list, and
14848 save parameter spellings if necessary. Use TOKEN_SPELL.
14849 (cpp_create_definition): Make list const.
14851 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14853 * c-typeck.c (pedwarn_c99): Move to
14854 * c-errors.c: ... Here.
14855 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
14856 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
14857 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
14858 (c-errors.o): List dependency.
14860 2000-07-12 Mark Mitchell <mark@codesourcery.com>
14862 * c-parse.c: Remove.
14863 * c-parse.h: Likewise.
14864 * c-parse.y: Likewise.
14865 * objc/objc-parse.c: Likewise.
14866 * objc/objc-pasre.y: Likewise.
14868 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
14870 * gcc.texi: Fix minor typos
14871 * extend.texi: Fix minor typos
14873 2000-07-11 Marc Espie <espie@openbsd.org>
14875 * collect2.c (main): Recognize .lo as object files.
14877 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14879 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
14882 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
14883 with MAP_ANONYMOUS and MAP_ANON.
14884 * configure, config.in: Rebuilt.
14886 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14888 * diagnostic.c (save_output_state): Remove.
14889 (restore_output_state): Likewise.
14890 (clear_text_info): New function.
14891 (clear_diagnostic_info): Likewise.
14892 (output_text_length, is_starting_newline, output_prefix,
14893 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
14894 prefixing_policy, output_buffer_ptr_to_format_args): New macros
14895 (set_real_maximum_length, output_set_maximum_length,
14896 output_set_prefix, output_get_prefix, output_set_maximum_length,
14897 output_destroy_prefix, init_output_buffer,
14898 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
14899 output_add_newline, output_add_character, output_add_space,
14900 output_append_r, output_append, wrap_text, output_format,
14901 output_do_printf, output_printf, output_do_verbatim,
14902 output_verbatim, verbatim): Use them.
14903 (output_clear): Split into cleat_text_info and
14904 clear_diagnostic_info.
14905 (struct output_state): Move to...
14907 * diagnostic.h: ...Here
14908 (struct output_buffer): Adjust.
14910 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
14912 * cpplex.c (parse_name): No longer inline (premature optimization).
14913 (do_pop_context): Fold into pop_context.
14914 (pop_context): Returns int.
14915 (lex_next): Hoist test for end of directive into pop_context.
14916 (push_macro_context): Returns int; takes just reader and token.
14917 Hoist test for excessive nesting to caller.
14918 (push_arg_context): Returns void; takes just reader and token.
14919 Do not call stringify_arg or get_raw_token.
14920 (get_raw_token): Convert tail recursion through push_arg_context
14921 to a loop at this level. Call stringify_arg here if appropriate.
14922 (maybe_paste_with_next): Convert tail recursion to a while loop.
14923 Hoist test of paste_level to caller.
14925 (stringify_arg): Push arg context at beginning.
14926 (cpp_get_token): Split out core into _cpp_get_token. Call
14927 process_directive here. Throw away CPP_PLACEMARKER tokens.
14928 (_cpp_get_token): Convert tail recursion through
14929 push_macro_context to a loop at this level.
14930 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
14931 _cpp_get_raw_token): Use _cpp_get_token.
14932 (_cpp_skip_rest_of_line): Drop the context stack directly; do
14933 not call pop_context.
14934 (_cpp_run_directive): Call lex_next directly.
14936 * cpphash.h: Prototype _cpp_get_token.
14937 * cppexp.c (lex): Use it.
14938 * cpphash.c (parse_define): Use it.
14939 * cpplib.c (get_define_node, do_undef, parse_include,
14940 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
14941 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
14942 parse_ifdef, validate_else): Use it.
14943 (cpp_push_buffer): Tweak error message; abort if anyone tries
14944 to push a buffer while macro expansions are stacked.
14946 2000-07-11 Donn Terry <donnte@microsoft.com>
14948 * cpplex.c (free_macro_args, save_token): Cast arg of free
14949 and/or xrealloc to PTR.
14950 (_cpp_init_input_buffer): Clear all fields of the base context.
14952 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
14954 * gensupport.c (process_rtx): Make rtl checking stop
14955 complaining about the define_insn while it is being
14956 converted from a define_insn_and_split.
14958 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
14960 * config/mips/mips.c (simple_memory_operand): Access the
14961 INTVAL of the address, not it's containing MEM.
14963 2000-07-11 Bruce Korb <bkorb@gnu.org>
14965 * fixinc/fixtests.c(double_slash): obsolete
14966 (else_endif_label): likewise
14967 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
14968 (libc1_ifdefd_memx): correct initial comment
14969 and omit the #if/#endif pair from the memxxx declarations
14970 * fixinc/fixincl.x: regen
14972 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14974 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
14976 2000-07-11 Neil Booth <NeilB@earthling.net>
14978 * cpp.texi: Update.
14980 2000-07-11 Neil Booth <NeilB@earthling.net>
14982 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
14983 (handle_option): Set digraphs according to standard.
14984 Merge OPT_lang_c89 handler with OPT_std_c89.
14986 * cpplex.c: (lex_line, can_paste): Honour digraphs in
14987 accordance with the digraphs flag.
14989 * cpplib.h: (struct cpp_options): New option digraphs.
14991 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
14992 Bruce Korb <bkorb@gnu.org>
14994 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
14995 * fixinc/fixincl.x: Regenerate.
14996 * fixinc/tests/base/testing.h: Add testcase.
14998 2000-07-10 Richard Henderson <rth@cygnus.com>
15000 * config/ia64/ia64.c (got_symbolic_operand): New.
15001 (symbolic_operand, move_operand): Revert 0701 change.
15002 * config/ia64/ia64.h (PREDICATE_CODES): Update.
15003 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
15004 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
15005 split the offset into a 14-bit low part instead of a 13-bit low part.
15006 (load_fptr): Mark the mem as unchanging.
15007 (load_symptr): Use got_symbolic_operand.
15009 2000-07-10 Nick Clifton <nickc@cygnus.com>
15011 * libgcc2.c (next_stack_level): Cast result of computation to
15012 (void **) so that the assignment does not generate a warning.
15014 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
15016 * flags.h : Add new variable flag_single_precision_constant.
15017 * toplev.c (display_help) : Add -fsingle-precision-constant option.
15018 (flag_single_precision_constant): New.
15019 * c-lex.c (yylex): Convert floating point constant to single
15020 precision constant.
15021 * invoke.texi : Add documentation for this new option.
15023 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
15025 * diagnostic.c (output_octal): Second parameter is unsigned.
15026 (output_long_octal): Likewise.
15027 (output_hexadecimal): Likewise.
15028 (output_long_hexadecimal): Likewise.
15029 (output_format): Adjust arguments extraction. Tweak.
15030 (output_verbatim, verbatim): End variable argument list.
15031 (report_diagnostic): Improve documentation.
15033 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
15035 * c-common.h (build_stmt): Declare.
15036 (build_continue_stmt): Likewise.
15037 (build_break_stmt): Likewise.
15038 (build_return_stmt): Likewise.
15040 * c-decl.c (do_case): Rewrite to do what previously done in
15043 * c-semantics.c (build_stmt): Define.
15044 (build_return_stmt): Likewise.
15045 (build_break_stmt): Likewise.
15046 (build_continue_stmt): Likewise.
15047 (build_case_label): Likewise.
15049 * c-parse.in (BREAK): Change to build tree, then generate RTL.
15050 (CONTINUE): Likewise.
15051 (RETURN): Likewise.
15053 (DEFAULT): Likewise.
15055 * c-parse.y: Regenerate.
15056 * c-pasre.c: Likewise.
15058 2000-07-09 Jason Merrill <jason@redhat.com>
15060 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
15062 * tree.h (STRIP_NOPS): Check for error_mark_node.
15063 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
15064 (dwarf2out_*): Remove duplicate declarations.
15066 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
15067 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
15069 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
15071 * diagnostic.c (wrap_text): New function.
15072 (maybe_wrap_text): Likewise.
15073 (output_add_string): Use it.
15074 (output_format): Likewise.
15075 (count_error): Use verbatim instead of notice.
15076 (report_error_function): Likewise. Don't use plain fprintf.
15077 (finish_diagnostic): New function.
15078 (output_do_verbatim): Tweak. Commonalize functionalities in
15079 output_verbatim and verbatim.
15080 (output_verbatim): Adjust.
15081 (verbatim): Likewise.
15082 (report_diagnostic): Define.
15084 * diagnostic.h (report_diagnostic): Prototype.
15086 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
15088 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
15090 2000-07-09 Neil Booth <NeilB@earthling.net>
15092 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
15093 IShspace, ISspace: Update.
15095 * cppinit.c: ISTABLE: Update.
15098 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
15099 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
15100 (skip_block_comment, skip_line_comment, parse_string,
15101 lex_line): Use is_vspace rather than IS_NEWLINE.
15102 (skip_whitespace, lex_line): Clean up to use is_nvspace.
15103 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
15105 (lex_next): Unconditionally stop if within a directive.
15106 Treat directives within macro invocations as directives
15107 (after parse_args emits error), not as the argument.
15109 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
15111 * diagnostic.c (diagnostic_args): New macro.
15112 (diagnostic_msg): Likewise.
15113 (output_formatted_integer): Likewise.
15114 (output_state): New data type.
15115 (digit_buffer): Make global.
15116 (output_add_integer): Rename to output_decimal. Squeeze
15118 (output_long_decimal, output_unsigned_decimal,
15119 output_long_unsigned_decimal, output_octal, output_long_octal,
15120 output_hexadecimal, output_long_hexadecimal): New functions.
15121 (output_append_r): New function.
15122 (output_append): Tweak.
15123 (output_flush_on): Rename to output_to_stream.
15124 (output_format): Change prototype. Improve documentation. Handle
15125 more format specifiers.
15126 (build_location_prefix): Rename to context_as_prefix.
15127 (output_notice): Rename to output_do_printf.
15128 (output_printf): Tweak.
15129 (line_wrapper_printf): Likewise.
15130 (vline_wrapper_message_with_location): Adjust call to renamed
15132 (v_message_with_decl): Likewise.
15133 (default_print_error_function): Likewise.
15134 (save_output_state): New function.
15135 (restore_output_state): Likewise.
15136 (output_do_verbatim): Likewise.
15137 (output_verbatim): Define.
15138 (verbatim): Likewise.
15140 * diagnostic.h (printer_fn): Change return type from void to int.
15141 Improve documentation.
15142 (output_add_integer): Rename to output_decimal.
15143 (output_flush_on, output_format): Don't export.
15144 (output_verbatim, verbatim): Declare.
15146 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
15148 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
15149 Check whether c divides op1 exactly if operation is not
15152 2000-07-08 Richard Henderson <rth@cygnus.com>
15154 * final.c (final): Do not abort when reg-stack introduces
15157 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
15159 * cpplib.h (struct cpp_name): Now struct cpp_string.
15160 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
15161 CPP_HEADER_NAME): Change to type S.
15162 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
15163 field, a cpp_hashnode *. All references to val.name updated
15164 to use val.str or val.node as appropriate.
15165 (struct cpp_reader): Add spec_nodes field.
15166 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
15168 * cpphash.h (struct spec_nodes): New.
15169 (enum spell_type): Reorder. Only SPELL_STRING tokens use
15170 val.str. All references to 'spelling > SPELL_NONE' updated to
15173 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
15174 pfile->buffer->inc are not NULL before dereferencing them.
15176 * cpplex.c (parse_name): Take a pointer to the current token,
15177 plus current position and limit as args; return the new
15178 position; don't copy the text of a name into the string
15179 buffer, instead call cpp_lookup and store the node pointer.
15180 If extending a token, copy out the text of the old into a
15181 scratch buffer, append the new, look that up and store the new
15182 node pointer. Inline.
15183 (maybe_paste_with_next): If the result of paste is a NAME,
15184 then look up the pasted text and store its node pointer.
15185 (lex_line): Adjust for new parse_name interface.
15186 Check for L"str", L'str' using spec_nodes->n_L.
15187 (spell_token): SPELL_IDENT tokens have their spelling in
15188 val.node->name. Handle SPELL_STRING tokens that don't have
15190 (_cpp_expand_name_space,
15191 (can_paste): Check for L ## "str" using spec_nodes->n_L.
15192 (cpp_get_token, special_symbol): No need to call cpp_lookup.
15193 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
15194 return 1=equal 0=not, not a tristate.
15196 * cpphash.c (var_args_str): Delete.
15197 (find_param): Compare node fields directly.
15198 (is__va_args__): Use CPP_PEDANTIC. Just compare
15199 token->val.node with spec_nodes->n__VA_ARGS__.
15200 (dump_funlike_macro): Don't use var_args_str.
15202 * cpplib.c (_cpp_check_directive): Just walk through
15203 spec_nodes->dirs comparing pointers.
15204 (get_define_node, do_pragma_poison, detect_if_not_defined,
15205 parse_ifdef): The identifier has already been looked up.
15206 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
15208 (do_if): Only call detect_if_not_defined at beginning of file.
15209 (_cpp_parse_assertion): Only copy string pointers for
15210 SPELL_STRING tokens.
15211 (pragma_dispatch): Take a node pointer and examine its name
15213 (_cpp_init_stacks): Also initialize the spec_nodes structure.
15215 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
15217 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
15218 reverse order from the corresponding _cpp_init_* routines.
15220 * cppexp.c (parse_number, parse_charconst, parse_defined,
15221 lex): Check val.node->type instead of calling cpp_defined.
15222 Use spec_nodes entries where appropriate.
15224 * fix-header.c, scan-decls.c: Update for interface changes.
15226 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
15228 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
15229 emitting aux_truncdfsf2.
15231 2000-07-03 Donn Terry (donnte@microsoft.com)
15233 * cppinit.c (print_help): split overlong line into ISO C89
15236 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15238 * cppexp.c: Update all code for new lexer interface.
15239 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
15240 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
15241 * cpplex.c (token_names): Trim leading CPP_ from names; make
15242 the strings unsigned.
15243 (_cpp_spell_operator): New.
15244 (is_macro_disabled): Disable all macros if rescanning
15246 (_cpp_get_directive_token): Remove.
15248 * cppinit.c: Don't set no_macro_expand.
15249 * cpplib.c (read_line_number, do_line): Check only for EOF,
15251 * cpphash.h: Update prototypes.
15252 * cpplib.h (CPP_VSPACE): Remove.
15253 (struct cpp_reader): Remove no_macro_expand.
15255 2000-07-08 Neil Booth <NeilB@earthling.net>
15257 * cpphash.c (is__va_args__): New function.
15258 (count_params): Fix line reported in error messages. Use
15259 is__va_args__. Don't return ')' on error. Flag GNU style
15260 rest args macro definitions.
15261 (parse_define): Check macro name is not __VA_ARGS__.
15262 (save_expansion): Check identifier in non-varargs-macro is
15263 not __VA_ARGS__. Don't flag GNU_VARARGS.
15264 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
15265 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
15266 than per-token GNU_VARARGS.
15267 * cpplib.h (GNU_VARARGS): Remove.
15268 (GNU_REST_ARGS): New.
15270 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
15272 * i386.md (call_pop, call, call_value_pop): Do not set
15273 current_function_uses_pic_offset_table for calls to static
15274 functions or indirect calls.
15276 2000-07-07 Jim Wilson <wilson@cygnus.com>
15278 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
15279 is_predicate_reg, then take max write_count of register pair.
15281 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15283 * tradcpp.c (main): Rename label `include' to `add_include' to
15284 avoid conflicts with variable `include' in traditional C.
15286 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15288 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
15290 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15292 * sibcall.c (uses_addressof): Add INMEM argument, check for
15293 current_function_internal_arg_pointer outside of MEM rtxs in addition
15295 (sequence_uses_addressof): Update caller.
15297 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15299 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
15302 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15304 * system.h (UNION_INIT_ZERO): New macro for initializing union
15305 members in structs.
15307 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
15309 2000-07-07 Neil Booth <NeilB@earthling.net>
15311 * cpp.texi: Update.
15313 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
15315 * final.c (final): Detect out of bounds array access to
15316 the insn_lengths array.
15318 2000-07-07 Kazu Hirata <kazu@hxi.com>
15320 * fold-const.c (fold): Fix a comment typo.
15322 2000-07-07 Neil Booth <NeilB@earthling.net>
15324 * cpp.texi: Update to new lexer.
15326 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15328 * tradcpp.c: New file.
15329 * tradcif.y: New file.
15330 * tradcif.c: New generated file.
15332 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
15333 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
15334 dependencies of C. Install tradcpp from install-common, in
15337 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15339 * cppinit.c: Include cppdefault.h. Refer to
15340 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
15341 to GCC_INCLUDE_DIR and its length.
15342 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
15343 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
15344 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
15346 (include_defaults_array): Move to cppdefault.c.
15348 * cppdefault.h: New file.
15349 * cppdefault.c: New file.
15351 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
15352 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
15353 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
15356 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15358 * reload.c (push_reload): When seeing if can reuse a register,
15359 check extra registers against widest of INMODE and OUTMODE.
15361 2000-07-06 Neil Booth <NeilB@earthling.net>
15363 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
15364 based on full length of predicate.
15366 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
15368 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
15369 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
15371 2000-07-05 Kazu Hirata <kazu@hxi.com>
15373 * h8300-proto.h: Fix formatting.
15374 * h8300.c: Likewise.
15375 * h8300.h: Likewise.
15377 2000-07-05 Jim Wilson <wilson@cygnus.com>
15379 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
15382 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
15384 * invoke.texi: Fix minor typos
15385 * md.texi: Fix minor typos
15387 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
15389 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
15391 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15393 * cpplex.c: Don't include sys/mman.h.
15394 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
15396 * cpplib.c: Include sys/mman.h and obstack.h.
15397 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
15399 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
15400 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
15401 bother freeing if stack entries (they will be freed with their buffer).
15402 (do_endif): Free if stack entries from the buffer obstack.
15403 (push_conditional): Allocate if stack entries from the buffer obstack.
15405 (find_answer): Rename to _cpp_find_answer.
15406 (do_assert, do_unassert): Update.
15408 * cpphash.h: Update prototypes.
15409 (xobnew): New convenience macro.
15410 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
15412 (struct cpp_hashnode): Remove disabled field.
15414 * cppinit.c: Don't include hashtab.h or splay-tree.h.
15415 (report_missing_guard): Moved to cppfiles.c.
15416 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
15418 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
15419 cpp_cleanup_includes. Don't destroy hashtab or
15420 all_include_files here.
15421 (cpp_finish): Use _cpp_report_missing_guards.
15423 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
15424 (_cpp_init_include_table): Rename _cpp_init_includes.
15425 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
15427 * cppexp.c (parse_assertion): Update for new name of
15430 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
15432 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15434 * cpplib.c (do_ident): s/VSPACE/EOF/
15436 2000-07-05 Neil Booth <NeilB@earthling.net>
15438 * cpplex.c: Fix trigraph replacement within strings.
15440 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15442 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
15444 * xcoffout.c (assign_type_number): Constify.
15445 (xcoffout_source_file): Add static prototype. Don't needlessly
15446 cast away const-ness.
15448 2000-07-04 Jason Merrill <jason@redhat.com>
15450 * frame.h (frame_state): Move base_offset to end.
15452 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15454 * calls.c (emit_library_call_value_1): Revert previous change.
15456 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15458 * fix-header.c (struct partial_proto): Remove unnecessary fields.
15459 (recognized_extern, recognized_function, read_scan_file):
15460 Update for new scheme.
15461 (check_protection): It's still a multiple include guard even
15462 if it doesn't always trigger.
15463 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
15465 * scan.h: Declare struct cpp_token. Update prototypes.
15467 2000-07-03 Neil Booth <neilb@earthling.net>
15468 Zack Weinberg <zack@wolery.cumb.org>
15470 Complete overhaul of the lexer and macro expander.
15472 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
15473 arg, arglist, argdata, reflist, collect_objlike_expansion,
15474 collect_funlike_expansion, collect_params,
15475 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
15476 unsafe_chars, macarg, compare_defs, special_symbol,
15477 scan_arguments, stringify, funlike_macroexpand,
15478 _cpp_quote_string, monthnames): Delete.
15479 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
15480 _cpp_create_definition, _cpp_dump_definition,
15481 dump_hash_helper): Adjust.
15482 (find_param, count_params, parse_define, var_args_str,
15483 check_macro_redefinition, save_expansion): New.
15485 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
15486 parse_string, output_line_command, trigraph_replace,
15487 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
15488 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
15489 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
15490 _cpp_skip_rest_of_line): Modify.
15492 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
15493 find_position, null_warning, bump_column, expand_name_space,
15494 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
15495 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
15496 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
15497 _cpp_prescan): Delete.
15499 (dump_param_spelling, process_directive, lex_next,
15500 is_macro_disabled, stringify_arg, expand_context_stack,
15501 output_token, make_string_token, alloc_number_token,
15502 special_symbol, duplicate_token, maybe_paste_with_next,
15503 can_paste, prevent_macro_expansion, restore_macro_expansion,
15504 get_temp_token, release_temp_tokens, quote_string,
15505 token_names, token_spellings, _cpp_expand_name_space,
15506 _cpp_glue_header_name, _cpp_reserve_name_space,
15507 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
15508 placemarker_token, eof_token, cpp_context, macro_args,
15509 get_raw_token, parse_arg, parse_args, save_token,
15510 push_arg_context, push_macro_context, pop_context,
15511 do_pop_context, free_macro_args, _cpp_get_line,
15512 _cpp_run_directive): New.
15514 * cpplib.c (validate_else, parse_include, push_conditional,
15515 pass_thru_directive, read_line_number, parse_ifdef,
15516 detect_if_not_defined, _cpp_check_directive, do_define,
15517 do_undef, do_include, do_import, do_include_next, do_error,
15518 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
15519 top_pragmas, do_pragma_gcc, do_pragma_implementation,
15520 do_pragma_poison, do_pragma_system_header,
15521 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
15522 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
15523 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
15524 cpp_defined): Update for new scheme.
15525 (strtoul_for_line, get_define_node, dump_macro_name,
15526 _cpp_check_linemarker, _cpp_parse_assertion): New.
15527 (_cpp_handle_directive, do_pragma_default): Delete.
15529 * cpphash.h (struct predicate): Now struct answer.
15530 (enum spell_type, struct token_spelling, struct directive,
15531 directive_handler): New.
15532 Update prototypes. Remove unused macros.
15533 * cpplib.h: Update prototypes. Remove unused macros,
15534 structure definitions, and fields.
15536 * cpperror.c (print_containing_files, v_message): Adjust.
15537 * cppexp.c (parse_assertion, lex, parse_escape,
15538 _cpp_parse_expr): Adjust.
15539 * cppfiles.c (open_include_file, _cpp_execute_include,
15540 _cpp_compare_file_date, cpp_read_file, read_include_file):
15542 * cppinit.c (dump_special_to_buffer): Delete.
15543 (append_include_chain, merge_include_chains, cpp_reader_init,
15544 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
15545 cpp_finish, handle_option, print_help): Adjust.
15546 * cppmain.c (main): Adjust.
15548 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15550 * cppspec.c (lang_specific_driver): Use double quotes in error
15553 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15555 * calls.c (emit_library_call_value_1): Use valreg instead
15556 of hard_libcall_value.
15558 2000-07-03 Geoff Keating <geoffk@cygnus.com>
15560 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
15561 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
15562 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
15570 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
15571 mode instead of wider_mode is being used.
15573 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15575 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
15576 of 'r'. Use q_regs_operand.
15577 (andsi_1+2): Use q_regs_operand.
15579 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15581 * builtins.c (get_memory_rtx): Always put into alias set 0.
15583 2000-07-03 Nick Clifton <nickc@cygnus.com>
15585 * config/arm/arm.md: Fix post increment and pre increment
15586 peepholes so that they do not generate UNPREDICATBLE opcodes.
15587 (ie ones where the increment clobbers the source/destination).
15589 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
15591 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
15592 change too big for -mtiny-stack" a warning, if larger than 63.
15593 (out_set_stack_ptr): Change the logic so -mno-interrupts is
15594 always safe to use on possible future devices.
15595 (function_prologue): Write SPH before SPL, for consistency.
15596 If interrupt_func_p true, we know we have enabled interrupts.
15597 (avr_num_arg_regs): New function. Round up to even number of
15598 bytes if no -mpack-args or if calling a libgcc function.
15599 (function_arg, function_arg_advance): Use it.
15600 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
15601 Output "movw" if available.
15602 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
15603 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
15604 (asm_output_section_name): Add blanks for consistent output.
15605 (encode_section_info): Set TREE_READONLY for progmem data to
15606 avoid gas warnings about changed section attributes.
15607 (avr_hard_regno_mode_ok): Force non-QImode data to start in
15608 even numbered registers on devices with "movw".
15609 * config/avr/avr.h (MASK_*): Define bits for target_flags.
15610 (TARGET_SWITCHES): Mark help strings for translation.
15611 Add new -mpack-args and -menhanced switches.
15612 (TARGET_OPTIONS): Mark help strings for translation.
15613 (progmem_section): Add section attributes.
15614 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
15615 Output "movw" if available.
15616 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
15618 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
15619 call convention (arguments aligned on even registers).
15620 (_cleanup, _exit): Make weak symbols libc can override.
15622 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15624 * fp-bit.h: New file.
15626 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
15627 Comment #endif statements.
15628 (__thenan_sf, __thenan_df): Add missing braces around initializer.
15630 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
15632 * gcse.c (compute_pre_data): Compute ae_kill using other local
15633 properties instead of calling compute_ae_kill.
15635 * alias.c (init_alias_analysis): Do not call
15636 prologue_epilogue_contains until after reload has completed.
15638 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
15640 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
15641 (genrtl_finish_compound_stmt): Likewise.
15642 (genrtl_compound_stmt): Change to return void.
15644 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
15645 move code from here to ...
15646 (genrtl_compound_stmt): ... here.
15647 (genrtl_finish_compound_stmt): Remove.
15648 (expand_stmt): Add comment.
15650 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
15652 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
15655 2000-07-02 Jakub Jelinek <jakub@redhat.com>
15657 * cpplib.h (struct cpp_reader): New field include_depth.
15658 (struct cpp_printer): Rename last_bsd to last_id.
15659 * cppfiles.c (read_include_file): Bump include_depth.
15660 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
15661 (output_line_command): Output correct #line if a header
15662 is including itself and is not protected against multiple inclusion.
15663 Use include_depth instead of buffer_stack_depth, last_id instead of
15665 * cppinit.c (cpp_start_read): Initialize last_id instead of
15668 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
15670 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
15671 (c-semantics.o): New target.
15673 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
15674 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
15675 (genrtl_clear_out_block): Likewise.
15676 (genrtl_goto_stmt): Likewise.
15677 (genrtl_expr_stmt): Likewise.
15678 (genrtl_decl_stmt): Likewise.
15679 (genrtl_if_stmt): Likewise.
15680 (genrtl_while_stmt): Likewise.
15681 (genrtl_do_stmt): Likewise.
15682 (genrtl_return_stmt): Likewise.
15683 (genrtl_for_stmt): Likewise.
15684 (genrtl_break_stmt): Likewise.
15685 (genrtl_continue_stmt): Likewise.
15686 (genrtl_scope_stmt): Likewise.
15687 (genrtl_switch_stmt): Likewise.
15688 (genrtl_case_label): Likewise.
15689 (genrtl_begin_compound_stmt): Likewise.
15690 (gerntl_finish_compound_stmt): Likewise.
15691 (genrtl_compound_stmt): Likewise.
15692 (genrtl_asm_stmt): Likewise.
15693 (genrtl_decl_cleanup): Likewise.
15694 (DECL_ANON_UNION_ELEMS): Likewise.
15695 (emit_local_var): Likewise.
15696 (make_rtl_for_local_static): Likewise.
15697 (expand_cond): Likewise.
15698 (expand_stmt): Likewise.
15699 (c_expand_return): Likewise.
15700 (c_expand_start_case): Likewise.
15701 (do_case): Likewise.
15702 (COMPOUND_STMT_NO_SCOPE): Likewise.
15703 (c_expand_asm_operands): Likewise.
15704 (NEW_FOR_SCOPE_P): New macro.
15705 (expand_expr_stmt_fn): New type.
15707 (set_current_function_name_declared): Likewise.
15708 (current_function_name_declared): Likewise.
15709 (lang_expand_stmt): Likewise.
15710 (stmts_are_full_exprs_p): Likewise.
15711 (anon_aggr_type_p): Likewise.
15712 (lang_expand_expr_stmt): Likewise.
15713 (build_case_label): Likewise.
15715 * c-decl.c (lang_expand_expr_stmt): Initialize.
15716 (stmts_are_full_exprs_p): Define.
15717 (current_function_name_declared): Likewise.
15718 (do_case): Likewise.
15719 (lang_expand_stmt): Likewise.
15720 (set_current_function_name_declared): Likewise.
15721 (anon_aggr_type_p): Likewise.
15723 * c-semantics.c: New file.
15724 (expand_cond): Moved from cp/semantics.c.
15725 (genrtl_do_pushlevel): Likewise.
15726 (genrtl_clear_out_block): Likewise.
15727 (genrtl_goto_stmt): Likewise.
15728 (genrtl_expr_stmt): Likewise.
15729 (genrtl_decl_stmt): Likewise.
15730 (genrtl_if_stmt): Likewise.
15731 (genrtl_while_stmt): Likewise.
15732 (genrtl_do_stmt): Likewise.
15733 (genrtl_return_stmt): Likewise.
15734 (genrtl_for_stmt): Likewise.
15735 (genrtl_break_stmt): Likewise.
15736 (genrtl_continue_stmt): Likewise.
15737 (genrtl_scope_stmt): Likewise.
15738 (genrtl_switch_stmt): Likewise.
15739 (genrtl_case_label): Likewise.
15740 (genrtl_begin_compound_stmt): Likewise.
15741 (genrtl_finish_compound_stmt): Likewise.
15742 (genrtl_compound_stmt): Likewise.
15743 (genrtl_asm_stmt): Likewise.
15744 (genrtl_decl_cleanup): Likewise.
15745 (make_rtl_for_local_static): Moved from cp/decl.c.
15746 (emit_local_var): Likewise.
15747 (expand_stmt): Define.
15749 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
15750 (c_expand_return): Likewise.
15751 (c_expand_start_case): Likewise.
15753 2000-07-01 Richard Henderson <rth@cygnus.com>
15755 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
15756 with the low 13 bits set.
15757 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
15758 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
15759 of the low 13 bits into a CONST plus an adddi3.
15760 (load_symptr): Set RTX_UNCHANGING_P.
15762 See ChangeLog.3 for earlier changes.