1 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6 (do_include): Handle missing headers like cpp0.
7 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8 paths with first include pathname. Don't strcat to uninitialized
11 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13 * regrename.c (regrename_optimize): Don't rename from frame pointer
14 if frame_pointer_needed.
15 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
16 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
17 (ia64_reorg): Use it instead of scheduling if ! optimize.
18 (errata_emit_nops): Properly call asm_noperands.
19 (ia64_sched_reorder): Finish cycle if we see an asm.
20 (ia64_variable_issue): Clear scheduling state after asms.
22 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
24 * cpp.texi: Update for -MT.
25 * cppinit.c (initialize_dependency_output): Add a default
26 target if none has been given already.
27 (no_tgt, OPT_MT): New.
28 (cpp_handle_option): Handle -MT. Update -M etc.
29 * cpplib.h (struct cpp_options): Remove deps_target.
30 * gcc.c (cpp_options): Handle -MT.
31 * mkdeps.c (struct deps): Move from mkdeps.h.
32 (deps_calc_target): Rename deps_add_default_target. Add a
33 default target if none has been specified already.
34 * mkdeps.h (struct deps): Move to mkdeps.c.
35 (deps_calc_target): Rename deps_add_default_target.
37 2000-01-03 Richard Henderson <rth@redhat.com>
39 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
41 * c-typeck.c (push_init_level): Move checks for flexible array
42 members and zero length arrays ...
43 (pop_init_level): ... here. Silently discard empty initializations.
45 * varasm.c (output_constructor): Update for sizeof change to
48 * extend.texi (Zero Length): Clarify semantics.
50 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
52 * configure.in (tm.h): Include isns-codes.h last.
55 2001-01-03 Richard Henderson <rth@redhat.com>
57 * config/alpha/alpha.md (addvsi3, addvdi3): New.
58 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
60 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
62 * tradcpp.c (main): Make sure finclude() is called with a valid
63 indepth value while handling -include.
65 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
67 * gencodes.c (output_predicate_decls): New function.
69 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
70 even if it is not the first time machmode.h is #included.
71 * config/sh/sh.c (fpul_operand): Declare MODE argument.
72 * tm.texi (PREDICATE_CODES): Document predicate declarations.
73 * gcc.texi (Copyright): Added 2001.
75 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
77 * c-common.c (c_common_lang_init): New function. Warn if format
78 warning options which only have effects when used with -Wformat
79 are used without -Wformat.
80 * c-common.h (c_common_lang_init): Declare.
81 * c-lang.c (lang_init): Call c_common_lang_init.
82 * objc/objc-act.c (lang_init): Call c_common_lang_init.
84 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
86 * configure.in: Check for the mktemp command.
87 * configure: Regenerate.
88 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
89 $TEMP. Create temporary files with mktemp, if available at
90 configure time; otherwise use set -C. Remove temporary files
93 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
95 * configure.in: Require at least texinfo 4.0. Check for whether
96 Pod::Man is sufficiently recent to regenerate GCC manpages.
97 * configure: Regenerate.
98 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
100 (GENERATED_MANPAGES): Define.
101 (generated-manpages): New target. Depend on cpp.1 as well as
103 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
104 configure to generated-manpages or empty) rather than on the
105 manpages directly. Remove execute permission from installed
106 gcov.1 as well as cpp.1.
107 * cpp.1, gcov.1: Regenerate.
109 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
111 * builtins.c (expand_builtin_strncmp): Use host_integerp and
112 tree_low_cst. Allow using cmpstrsi in more cases.
114 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
116 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
119 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
121 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
122 * Makefile.in (HOST_CFLAGS): Mention build-make.
124 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
126 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
129 2001-01-01 Bernd Schmidt <bernds@redhat.com>
131 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
134 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
137 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
138 reg_base_value and reg_known_value arrays.
139 (init_alias_analysis): Add more cases to detect known values.
140 * sched-deps.c (deps_may_trap_p): New function.
141 (sched_analyze_2): Use it.
143 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
145 * combine.c (simplify_shift_const): Even if we're sign-extracting,
146 don't discard an ASHIFTRT if we're shifting in a wider mode.
148 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
150 * toplev.c (rest_of_compilation): Don't print basic block information
151 when CFG isn't up to date.
153 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
155 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
156 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
157 (UNALIGNED_SHORT_ASM_OP): Define.
158 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
160 2001-01-02 Mark Mitchell <mark@codesourcery.com>
162 * fold-const.c (fold_convert): Fix typo.
164 2001-01-02 Richard Henderson <rth@redhat.com>
166 * c-common.h (ASM_INPUT_P): New.
167 * c-parse.in (asm): Set it when needed.
168 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
169 existance of an operand.
171 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
173 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
174 (dwarf2out_frame_debug_expr): Likewise.
175 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
177 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
179 * i386.c (ix86_split_to_parts): Return number of part required;
181 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
183 (ix86_split_long_move): Use number of part returned
184 by ix86_split_to_parts
185 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
187 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
188 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
189 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
190 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
191 (ALIGN_MODE_128): Add TFmode.
192 (IS_STACK_MODE): Likewise.
193 (HARD_REGNO_NREGS): TFmode needs 3 registers.
194 (HARD_REGNO_OK): Support TFmodes.
195 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
196 * i386.md (scheduler definitions): Use memory operand to determine
197 fst/fld instructions; use mode attribute to determine real mode of
199 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
200 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
202 2001-01-02 Mark Mitchell <mark@codesourcery.com>
204 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
206 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
208 * expr.c (store_constructor_field): Update ALIGN before calling
211 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
213 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
216 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
218 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
221 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
223 * c-decl.c (start_function): Don't warn on third parameter to main.
225 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * tsystem.h: Define HAVE_DECL_GETOPT.
229 2001-01-02 Philip Blundell <pb@futuretv.com>
231 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
234 2001-01-02 Richard Henderson <rth@redhat.com>
236 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
238 2001-01-02 Andreas Jaeger <aj@suse.de>
240 * c-decl.c (c_decode_option): Remove support of
243 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
244 (W_options): Add -Wmissing-noreturn here.
246 * flow.c: Define lang_missing_noreturn_ok_p.
247 (check_function_return_warnings): Use it.
249 * c-common.h: Declare lang_missing_noreturn_ok_p.
251 * c-lang.c (c_missing_noreturn_ok_p): New function.
252 (lang_init): Set lang_missing_noreturn_ok_p.
254 * invoke.texi (Warning Options): Document this.
256 2000-12-27 Phil Edwards <pme@sources.redhat.com>
258 * extend.texi (C++ Extensions): New node for C++ attributes;
259 describe init_priority and com_interface.
260 * invoke.texi: Remove -finit-priority as it now has zero effect.
261 * install.texi: Fix xref syntax.
264 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
266 * config.gcc (sparc64-wrs-vxworks*): New case.
267 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
269 * config/sparc/sparc.c (sparc_override_options): Do support different
270 pointer and architecture size.
271 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
272 (POINTERS_EXTEND_UNSIGNED): Define.
273 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
274 (FUNCTION_MODE): Define to be Pmode.
275 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
277 * function.c (expand_function_end): Properly handle DECL_RESULT
278 and copy when ptr_mode != Pmode.
279 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
281 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * c-common.c (c_common_nodes_and_builtins): Set prototype
284 parameters for __builtin_fputs, __builtin_fputc and
285 __builtin_fwrite. Don't declare plain fputc as a builtin.
287 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
289 * loop.c (add_label_notes): Increment the label usage count when
290 a note is added to an insn which refers to a CODE_LABEL.
291 * gcse.c (add_label_notes): Likewise.
293 2001-01-01 Andreas Jaeger <aj@suse.de>
295 * loop.c (scan_loop): Use xmalloc to allocate movables.
297 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
299 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
300 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
301 * reload1.c (REGISTER_MOVE_COST): Likewise.
302 * regclass.c (REGISTER_MOVE_COST): Likewise.
303 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
304 dimension. Adjust all users.
305 (init_reg_sets_1): Iterate on all modes.
306 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
307 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
308 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
309 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
310 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
311 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
312 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
313 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
314 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
315 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
316 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
317 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
318 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
319 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
320 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
321 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
322 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
323 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
324 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
325 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
326 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
327 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
328 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
329 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
330 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
331 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
332 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
334 2001-01-01 Bernd Schmidt <bernds@redhat.com>
336 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
337 arg VARIES_P. Call it with extra arg.
338 (true_dependence): Likewise.
339 * rtl.h (rtx_addr_can_trap_p): Declare.
340 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
342 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
343 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
344 pic offset table register if it's zero. All callers changed.
345 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
347 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
349 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
350 STRING_POOL_ADDRESS_P.
352 * config/sparc/sparc.c (input_operand): Properly test for short op.
354 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
355 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
356 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
357 * config/sparc/elf.h: No longer include sol2.h.
358 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
359 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
361 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
363 2001-01-01 Michael Hayes <mhayes@redhat.com>
365 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
366 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
367 (record_initial): Likewise.
368 * unroll.c (copy_loop_body, loop_iterations): Likewise.
369 (remap_split_bivs): Likewise.
371 2001-01-01 Michael Hayes <mhayes@redhat.com>
373 * loop.c (loop_ivs_free): New function.
374 (strength_reduce): Break out from...
376 2001-01-01 Michael Hayes <mhayes@redhat.com>
378 * loop.h (struct iv): New.
379 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
380 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
381 'reg_biv_class' fields with 'regs' and 'n_regs'.
382 (struct ivs): Rename 'loop_iv_list' field to 'list'.
383 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
384 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
386 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
388 * resource.c (mark_referenced_resources): Abort() before
389 attempting to mark a pseudo register.
390 (mark_set_resources): Likewise.
392 2001-01-01 Michael Hayes <mhayes@redhat.com>
394 * loop.h (REG_IV_CLASS): New accessor macro.
395 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
396 * unroll.c (REG_IV_CLASS): Likewise.
398 Sun Dec 31 19:20:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
400 * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR): New.
401 (loc_descriptor_from_tree, case SAVE_EXPR): New.
403 2001-01-01 Michael Hayes <mhayes@redhat.com>
405 * loop.c (loop_giv_reduce_benefit): Break out from strength_reduce.
406 (loop_givs_dead_check, loop_givs_reduce, loop_givs_rescan): Likewise.
407 (prescan_loop): Set pre_header_has_call in loop_info.
408 * loop.h (struct_iv_class): Add `final_value' and `all_reduced'.
409 (struct loop_info): Add `pre_header_has_call'.
411 * loop.c (loop_bivs_find): Break out from strength_reduce.
412 (loop_bivs_init_find, loop_bivs_check, loop_givs_find): Likewise.
413 (loop_givs_check, loop_biv_eliminable_p): Likewise.
415 * loop.c (LOOP_REG_LIFETIME, LOOP_REG_GLOBAL_P): Define.
416 (scan_loop, record_giv): Use LOOP_REG_LIFETIME and LOOP_REG_GLOBAL_P.
418 * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Define.
419 * loop.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Use in place of
420 direct access to uid_luid array.
421 * unroll.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Likewise.
423 * loop.h (struct loop_movables): New.
424 (LOOP_MOVABLES): New.
425 (struct loop_info): Add movables field.
426 * loop.c (struct movables): Delete. Replace all uses
427 with struct loop_movables.
428 (the_movables): Delete. Replace all uses with movables
430 (loop_movables_add, loop_movables_free): New functions.
431 (scan_loop): Use xmalloc instead of alloca for movables.
432 Call loop_movables_free.
434 * loop.c (debug_loops): New.
436 2000-12-31 Philip Blundell <philb@gnu.org>
438 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm
441 2000-12-30 Richard Henderson <rth@redhat.com>
443 * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC.
444 Initialize variables properly for DBX_LBRAC_FIRST.
446 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
448 * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change.
450 2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
452 * builtins.c (validate_arglist): New function, use it.
454 2000-12-30 Philip Blundell <philb@gnu.org>
456 * config/arm/arm.c (arm_expand_prologue): Fix typos in error
457 message and comment. Note location of testcase for an unhandled
460 2000-12-30 Jeffrey Oldham <oldham@codesourcery.com>
462 * defaults.h (BUILD_VA_LIST_TYPE): New definition.
463 * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
464 is a copy, not an alias.
466 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
468 * calls.c (calls_function_1, case CONSTRUCTOR): New case.
470 * alias.c (alias_sets_conflict_p): New function.
471 (mems_in_disjoint_alias_sets_p): Use it.
472 (readonly_fields_p): Moved from expr.c; check for record type.
473 (objects_must_conflict_p): New function.
474 * calls.c (expand_call): Use assign_temp as much as possible, use
475 readonly variant if assigned once, and don't set memory attributes.
476 (emit_library_call_value_1, store_one_arg): Likewise.
477 * integrate.c (expand_inline_function): Likewise.
478 * stmt.c (expand_asm_operands, expand_return): Likewise.
479 * expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
480 (store_field, save_noncopied_parts, expand_expr): Likewise.
481 (expand_expr_unaligned): Likewise.
482 (readonly_fields_p): Moved to alias.c.
483 (safe_from_p): Rework handling of SAVE_EXPR.
484 MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
485 * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
486 (assign_stack_for_temp): Use objects_must_confict_p.
487 Set all memory attributes from type, if specified.
488 (mark_temp_slot): Mark TYPE field.
489 * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
490 (objects_must_conflict_p): Likewise.
492 * stmt.c (expand_decl): Don't use assign_stack_temp in error case.
493 (add_case_node): No need to copy nodes anymore.
495 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
497 * config/sh/sh.c (split_branches): Don't dereference re-computed
498 `beyond' before checking it's non-NULL.
500 2000-12-29 Robert Lipe <robertl@sco.com>
502 Remove COFF support from i?86-pc-sco3.2v5.
503 * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II.
504 (TARGET_ELF): Now always true.
505 (SUBTARGET_SWTICHES: )Remove -mcoff.
507 * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
508 MULTILIB_EXCEPTION): Nuke coff.
509 (CRTSTUFF_T_CFLAGS_S): Deleted.
510 (TARGET_LIBGCC2_CFLAGS): Added.
512 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
514 * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO
515 twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO
518 2000-12-29 Bernd Schmidt <bernds@redhat.com>
520 * ia64.c (ia64_expand_load_address): Accept additional scratch
521 register argument. All callers & prototype changed.
522 Use scratch register when generating load_symptr insns.
523 * ia64.md (movdi_symbolic): Clobber a scratch register. Use it
524 when calling ia64_expand_load_address.
525 (movdi): Generate movdi_symbolic with additional operand.
526 (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1).
527 (load_symptr): Likewise. Use additional operand as a scratch
528 register instead of generating it here.
530 * basic-block.h: Add a comment.
531 * flow.c (PROP_POSTRELOAD): New macro.
532 (update_life_info): Add it to prop_flags.
533 (mark_set_1): If it is set, compute REG_N_SETS for the original
534 register number of a hard reg.
536 * emit-rtl.c (gen_raw_REG): New function.
537 (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of
539 * print-rtl.c (print_rtx): Print ORIGINAL_REGNO.
540 * final.c (alter_subreg): Update it.
541 * regrename.c (do_replace): Likewise. Use gen_raw_REG.
542 * rtl.def (REG): Update comment.
543 * rtl.h (X0UINT, ORIGINAL_REGNO): New macros.
544 (gen_raw_REG): Declare.
546 2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
548 * tree.c (get_set_constructor_bits): Use host_integerp and
551 * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN.
553 * toplev.c (main): Call xmalloc_set_program_name.
554 * gcc.c (main): Likewise.
556 2000-12-29 Philip Blundell <philb@gnu.org>
558 * config/arm/arm.c (arm_override_options): Fix typo in warning
561 2000-12-29 Richard Henderson <rth@redhat.com>
563 * config/alpha/alpha.c (alpha_expand_block_move): Initialize
564 src_align and dst_align in bits. Do unaligned quadword loads
565 if possible for BWX too.
566 (alpha_expand_block_clear): Initialize align in bits. Track
567 small leading offsets into a larger alignment. Play games with
568 stq_u for large 4-byte aligned blocks. Use load/mask/store
569 for appropreately aligned heads and tails.
571 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
573 * function.c (assign_parms): Convert arguments passed by
574 reference to the right mode.
576 2000-12-28 Geoffrey Keating <geoffk@redhat.com>
578 * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
579 on the condition of a FOR statement, so that it gets typechecked
582 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
584 * c-decl.c (grokdeclarator): Prevent crash in case of overflow in
587 * calls.c (emit_library_call_value_1): Add to call_fusage the
588 stack slot assigned to argument passed by reference.
590 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
592 * toplev.h (extern really_sorry): Remove extern declaration for
593 nonexistent function.
595 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
597 * varasm.c (initializer_constant_valid_p): Indicate subtraction of
598 pointers to the same string constant is absolute.
600 2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk>
602 * c-common.c (enum format_type): Add strfmon_format_type.
603 (decl_attributes): Handle format attributes strfmon and
605 (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
606 FMT_FLAG_EMPTY_PREC_OK): Define.
607 (format_char_info): Update comment for flag_chars.
608 (format_flag_spec): Add skip_next_char.
609 (format_kind_info): Add left_precision_char.
610 (printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
611 format_types): Update for these new structure members and flags.
612 (time_char_table): Make const.
613 (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
614 monetary_char_table): New.
615 (format_types): Add details of strfmon formats.
616 (init_function_format_info): Create default attribute for strfmon.
617 (check_format_info_main): Check the new flags. Handle
618 skip_next_char and left precision.
619 * toplev.c (documented_lang_options): Update description of
621 * extend.texi: Document strfmon format attributes. Document
622 attribute forms such as __printf__. Clarify format_arg attribute
624 * invoke.texi (-Wformat): Update for strfmon formats.
626 2000-12-28 Andreas Jaeger <aj@suse.de>
628 * expmed.c (store_bit_field): Fix last patch.
630 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
632 * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing
635 2000-12-28 Alan Lehotsky <lehotsky@tiac.net>
637 * expmed.c (store_bit_field): Correctly compute smallest mode that
638 is sufficient to contain all bits we are storing.
640 2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * builtins.c (build_function_call_expr): New function. Use it
643 everywhere in lieu of manually constructing a CALL_EXPR.
645 2000-12-27 Chandrakala Chavva <cchavva@redhat.com>
647 * calls.c (store_one_arg): If parm is passed both in stack and in
648 register and offset is greater than reg_parm_stack_space, split
649 the offset and call emit_push_insn().
651 2000-12-27 Nick Clifton <nickc@redhat.com>
653 * ifcvt.c (noce_emit_store_flag): Handle jump insns that are
656 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
658 * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related
661 2000-12-27 Bruce Korb <bkorb@gnu.org>
663 * fixinc/Makefile.in: fix for ancient Bourne shell
664 * fixinc/Makefile.BEOS: obsolete
665 * fixinc/Makefile.DOS: obsolete
666 * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing
668 2000-12-27 Bernd Schmidt <bernds@redhat.com>
670 * sched-deps.c (get_condition, conditions_mutex_p): New functions.
671 (add_dependence): Use them to avoid adding unnecessary dependencies
672 between conditionally executed insns.
673 (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free
674 dependency lists if current insn is a COND_EXEC.
676 2000-12-27 Geoffrey Keating <geoffk@redhat.com>
678 * config/rs6000/rs6000.md (define_attr "length"): Correct
681 2000-12-26 Kazu Hirata <kazu@hxi.com>
683 * config/h8300/h8300.c: Fix a comment typo.
684 (get_shift_alg): Fix a typo in the assembly code for 12-bit
685 ASHIFTRT in HImode. Do not output extra whitespace after one line
686 of assembly code. Output a tab after an opcode instead of a
688 (emit_a_shift): Output a tab after an opcode instead of a space.
690 2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
692 * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
693 out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
694 %4 in output templates, do not modify operands passed by the caller.
696 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
698 * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
700 * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
701 BUILT_IN_LLABS and BUILT_IN_IMAXABS.
702 * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
703 builtin labs, llabs and imaxabs.
704 (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
705 and BUILT_IN_IMAXABS.
707 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
709 * c-common.c (builtin_function_2): New function.
710 (c_common_nodes_and_builtins): Use it to define each pair (foo,
711 __builtin_foo) of builtins in one place.
713 2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
715 * gccbug.in: Add libgcj and preprocessor categories.
717 2000-12-22 Bernd Schmidt <bernds@redhat.com>
719 * config/ia64/ia64.c (itanium_reorder): Only schedule stops in
720 the final scheduling pass.
722 2000-12-22 Nick Clifton <nickc@redhat.com>
724 * config/arm/arm.h (struct machine_function): Add new field
725 'lr_save_eliminated'.
726 * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the
727 link register if its save has been eliminated.
728 (output_arm_prologue): Mention if the save of the link register
730 (output_arm_epilogue): Rename 'live_regs_mask' to
732 Test 'saved_regs_mask' for the link register, not regs_ever_live.
733 (arm_expand_prologue): If the link register has not been saved set
734 lr_save_eliminated and emit a USE to prevent later passes from
737 * dwarf2out_frame_debug_expr: Allow the (scratch) frame
738 pointer to be initialised from the stack pointer plus a
741 2000-12-22 Bernd Schmidt <bernds@redhat.com>
743 * regrename.c (struct du_chain): New field "earlyclobber".
744 (enum scan_actions): Remove unused entry "note_reference".
745 (enum scan_actions_name): Likewise.
746 (note_sets, clear_dead_regs, merge_overlapping_regs): New static
748 (regrename_optimize): Use them to compute unavailable regs; get
749 rid of the more simpleminded code we used to have here.
750 Use a tick array to ensure registers are allocated in a more
751 round-robin way. Disable code that only optimizes registers
752 that were seen more than once.
753 (referenced_regs): Remove variable.
754 (scan_rtx_reg): New arg "earlyclobber". All callers changed.
755 Store its value in newly generated du_chain structures.
756 Add new du_chains at the end, not the start, of the list.
757 Don't handle the "note_reference" action.
758 (scan_rtx): New arg "earlyclobber". All callers changed.
759 (build_def_use): Lose code to keep track of referenced regs.
761 2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo.
765 * fp-bit.h (usi_to_float): Add prototype.
767 * i386.c (ix86_expand_builtin): Delete unused label.
769 * dwarf2out.c (file_info_cmp): Prototype.
770 (dwarf2out_line): Hide variable `old_in_use'.
772 * objc-act.c (objc_fatal): Delete.
774 * sched-vis.c (visualize_stall_cycles): Remove unused variable.
776 * system.h (getopt): Fix error in last change.
778 * varasm.c (assemble_trampoline_template): Constify.
780 2000-12-22 Jason Merrill <jason@redhat.com>
782 * collect2.c (main): Use auto_demangling.
784 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
786 * function.c (assign_parms): Update parm's DECL_INCOMING_RTL
787 when optimizing PARALLEL to REG.
789 2000-12-22 Graham Stott <grahams@redhat.com>
791 * reload.c (update_auto_inc_notes): New, broken out from ...
792 (find_reloads_address_1): ... use here, also correct possible
793 use of uninitialised reloadnum.
795 2000-12-21 David O'Brien <obrien@FreeBSD.org>
797 * config/freebsd.h (LIB_SPEC): remove -kthread option.
799 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
801 * resource.c (mark_set_resources): Use MARK_SRC_DEST for
802 PRE_MODIFY and POST_MODIFY cases.
804 * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
806 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
808 * md.texi (Looping Patterns): New node.
810 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
812 * gcc.texi, cpp.texi: Update last-updated dates.
814 2000-12-21 Chandrakala Chavva <cchavva@redhat.com>
816 * varasm.c (output_addressed_constants): Use language specific
817 expander on unknown nodes.
819 2000-12-21 Graham Stott <grahams@redhat.com>
821 * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.
823 2000-12-21 Bernd Schmidt <bernds@redhat.com>
825 * Makefile.in (out_object_file): Depend on sched-int.h.
826 * rtl.h (single_set_1): New macro.
827 (single_set_2): Renamed from single_set_1 and extra argument added.
828 * rtlanal.c (single_set_2): Likewise.
830 * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate,
831 ia64_adjust_cost, ia64_sched_init, ia64_sched_finish,
832 ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue):
834 * config/ia64/ia64.c: Include "sched-int.h".
835 (hard_regno_rename_ok): Also disallow renaming from the various
837 (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class,
838 ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p,
839 safe_group_barrier_needed_p, fixup_errata): New static functions.
840 (rtx_needs_barrier): Handle bundle selector and cycle display
842 (emit_insn_group_barriers): Accept additional FILE * arg. All
843 callers changed. Rework to only generate stop bits between
844 basic blocks that haven't been inserted by scheduling.
845 (struct bundle, struct ia64_packet): New structures.
846 (NR_BUNDLES, NR_PACKETS): New macros.
847 (bundle, packets, type_names): New static arrays.
848 (ia64_final_schedule): New variable.
849 (ia64_single_set, insn_matches_slot, ia64_emit_insn_before,
850 gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles,
851 cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
852 find_best_packet, itanium_reorder, dump_current_packet, schedule_stop):
853 New static functions.
854 (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder,
855 ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New
857 (ia64_reorg): Perform a final scheduling pass.
858 * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs.
859 (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT,
860 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH,
861 MD_SCHED_VARIABLE_ISSUE): Define macros.
862 (ia64_final_schedule): Declare variable.
863 * config/ia64/ia64.md (attr itanium_class): Add some more classes.
864 (attr type): Account for them.
865 (itanium_requires_unit0): New attribute.
866 (function units): Rewrite.
867 (some splitters): Don't create scheduling barriers here.
868 (gr_spill_internal, gr_restore_internal): Don't predicate the
870 (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1,
871 bundle_selector): New patterns.
872 (insn_group_barrier): Now has an operand.
874 2000-12-21 DJ Delorie <dj@redhat.com>
876 * dwarf2out.c (simple_decl_align_in_bits): new
877 (field_byte_offset): Try both the type align and the
878 decl align, use whichever works, preferring the type align.
880 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
882 * gccbug.in: Fix typo.
884 2000-12-20 Benjamin Kosnik <bkoz@redhat.com>
886 * Makefile.in (gcc_gxx_target_include_dir): Use instead of
887 build_tooldir and libstdcxx_incdir.
889 2000-12-20 Robert Lipe <robertlipe@usa.net>
891 * haifa-sched.c (schedule_block): Provide empty source statement
892 if not MD_SCHED_REORDER2.
894 2000-12-20 Richard Henderson <rth@redhat.com>
896 * rtl.h (REG_NON_LOCAL_GOTO): New.
897 * rtl.c (reg_note_name): Update.
898 * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
899 * builtins.c (expand_builtin_longjmp): Likewise.
900 * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
903 2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
905 * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
906 Do not output undefined opcodes where source or destination register
907 overlaps with modified pointer register. Handle (X + d) addresses.
908 * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
909 in alternatives with memory operand.
911 2000-12-20 Richard Henderson <rth@redhat.com>
913 * c-typeck.c (build_asm_stmt): New, broken out from ...
914 (c_expand_asm_operands): ... here. Just do rtl expansion.
915 (c_expand_return): Return the new stmt node.
916 (c_start_case, do_case): Likewise.
917 * c-common.c (c_expand_expr_stmt): Likewise.
918 * c-common.h: Update declarations.
919 * c-tree.h: Likewise.
920 * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
921 * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
922 (nested_function, notype_nested_function): Likewise.
923 (compstmt): Return the compound statement not the binding level.
924 (lineno_labeled_stmt): Simplify.
925 (lineno_stmt, lineno_label): Set STMT_LINENO.
926 (stmt, label): Return the new stmt node.
928 2000-12-20 Bernd Schmidt <bernds@redhat.com>
930 * Makefile.in (OBJS): Add sched-ebb.o.
931 (sched-ebb.o): New rule.
932 (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
933 (haifa-sched.o): Depend on insn-flags.h.
934 * haifa-sched.c: Include "insn-flags.h".
935 (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
937 * rtl.h (schedule_ebbs): Declare.
938 * sched-int.h (struct sched_info): Add new members
939 contributes_to_priority and compute_jump_reg_dependencies.
940 * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
942 (region_sched_info): Add them.
943 * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
944 * sched-ebb.c: New file.
945 * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
947 * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
948 handle all relational operators.
950 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
952 * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
953 * tm.texi: Document it.
955 2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
957 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
958 instead of gcc_tooldir.
960 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
962 * system.h (getopt): Update prototype to match include/getopt.h.
964 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
967 * pa.c (basereg_operand): Simplify.
969 2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
971 * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
972 not block number. All callers and prototype changed.
973 (set_priorities): Likewise.
974 (save_line_notes): Add head and tail arguments; all callers and
976 (restore_line_notes): Likewise. Don't crash on insns generated
978 (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
979 Call MD_SCHED_INIT with additional argument.
980 When starting a new cycle, emit cycle_display insns if available.
981 Don't stop scheduling when encountering a JUMP_INSN, but add another
982 call to schedule_more_p in the inner loop.
983 Call MD_SCHED_REORDER2 after scheduling an insn.
984 Call MD_SCHED_FINISH once all insns are scheduled.
985 (sched_init): Compensate for the fact that get_block_head_tail
986 doesn't include leading notes.
987 * sched-deps.c (free_deps): Free vectors here.
988 * sched-rgn.c (compute_block_backward_dependencies): Not here.
989 (last_was_jump): New static variable.
990 (schedule_more_p): Test it.
991 (init_ready_list): Initialize it.
992 (can_schedule_ready_p): Set it if we have a JUMP_INSN.
994 * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
995 * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
996 * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
998 * md.texi (cycle_display): Document.
999 * tm.texi (MD_SCHED_INIT): Document new arg.
1000 (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
1002 * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
1003 to use different representation. All callers changed.
1004 (and_reg_cond): Renamed from nand_reg_cond; caller changed.
1005 (init_propagate_block_info): Don't test flags to determine
1006 whether to compute conditional lifetimes.
1007 Adjust code for new representation of conditional lifetimes.
1008 (mark_regno_cond_dead): Similar adjustment.
1009 (free_reg_cond_life_info): Similar adjustment.
1010 (elim_reg_cond): New function.
1011 (flush_reg_cond_1): Use it.
1013 2000-12-19 Catherine Moore <clm@redhat.com>
1015 * reload1.c (reload_combine): Take multi-hard-regs into account
1016 when processing CALL_INSN_FUNCTION_USAGE.
1018 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1020 * invoke.texi (-print-search-dirs): Make references to cpp refer
1023 2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1025 * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
1028 Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
1030 * reload.c (push_reload): When using a dying register for the reload
1031 register in an in-out reload, use outmode if wider than inmode.
1033 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1035 * config/d30v/d30v.h (EXIT_BODY): Update comment.
1037 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1039 * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
1040 * tm.texi (EXIT_BODY): Update documentation.
1041 * config/freebsd.h, config/netware.h, config/arm/coff.h,
1042 config/arm/conix-elf.h, config/arm/unknown-elf.h,
1043 config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
1044 sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
1045 commented out) and associated comments.
1047 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1049 * c-common.c (STD_C9L, ADJ_STD): Define.
1050 (printf_length_specs, scanf_length_specs): Mark "ll" as standard
1052 (T99_LL): Rename to T9L_LL.
1053 (T99_ULL): Rename to T9L_ULL.
1054 (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
1055 instead of T99_LL and T99_ULL.
1056 (check_format_info_main): Use ADJ_STD on all format standard
1057 versions being compared.
1058 * c-common.h: Declare warn_long_long.
1059 * c-tree.h: Don't declare warn_long_long.
1061 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * COPYING: Update to current
1064 ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
1065 to 19yy as example year in copyright notice).
1067 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1069 * c-lex.c (cb_file_change): Treat in_system_header as strictly
1072 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1074 * cppmain.c: Update print.lineno with -P.
1076 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1078 * c-lex.c: s/change_file/file_change.
1079 * cpplib.h: Similarly.
1080 * cppmain.c: Similarly.
1081 * fix-header.c: Similarly.
1082 * cppfiles.c (stack_include_file): Pass the buffer location and
1083 size to cpp_push_buffer. Generate the file_change callback,
1084 so that sysp is already set.
1085 * cpphash.h: Add _cpp_do_file_change.
1086 * cpplib.c (do_line): Set buffer->sysp directly. Generate the
1087 file_change callback after setting sysp.
1088 (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
1090 (cpp_push_buffer): Don't generate a callback. Clear sysp.
1091 (cpp_pop_buffer): Clean up logic.
1093 2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
1095 * configure.in (gcc_gxx_include_dir): Simplify.
1096 (libstdcxx_incdir): Export.
1097 * configure: Regenerate.
1098 * Makefile.in (PREPROCESSOR_DEFINES): Add in
1099 GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
1100 (libstdcxx_incdir): Add.
1101 * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
1103 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1105 * c-lex.c (lex_lineno): Remove.
1106 (init_c_lex, c_lex): Remove lex_lineno.
1107 (cb_change_file): Update lineno correctly, both before calling
1108 push_srcloc and before leaving the function.
1109 (cb_def_pragma): Set lineno before outputting diagnostics.
1111 Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1113 * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
1114 Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
1115 Use print_node_brief to print bounds.
1117 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * cpplib.h (struct cpp_reader): Remove references to string_pool
1120 and temp_string_pool.
1121 * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
1122 ident_pool in place.
1123 * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
1124 save_comment, cpp_token_as_text): Similarly.
1125 * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
1126 * cppmacro.c (make_number_token, builtin_macro, lock_pools,
1127 unlock_pools, stringify_arg, paste_tokens): Similarly.
1129 Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1131 * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
1132 (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
1133 (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
1135 2000-12-17 Richard Earnshaw <rearnsha@arm.com>
1137 * Makefile.in (check-po): Use $(MAKE).
1138 (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
1140 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1142 * cppmain.c (check_multiline_token): New function.
1143 (scan_buffer): Use it.
1144 (cb_change_file): Restructure to avoid warning.
1145 * cpperror.c (print_location): Initialize col.
1147 2000-12-14 Philipp Thomas <pthomas@suse.de>
1149 * protoize.c (main): Correctly set locale categories.
1150 * gcc.c (main): Likewise.
1151 * cppmain.c (general_init): Likewise.
1152 * toplev.c (main): Likewise.
1153 * gcov.c (main): Likewise.
1154 * collect2.c (main): Likewise.
1156 2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * c-common.c (c_common_nodes_and_builtins): Create a
1159 cstring_endlink, use it. Rename int_ftype_string_string to
1160 int_ftype_cstring_cstring, string_ftype_string_int to
1161 string_ftype_cstring_int, and string_ftype_string_string to
1162 string_ftype_cstring_cstring. Prefer sizetype_endlink and
1163 int_endlink to manually recreating them. Fix the prototype
1164 set for __builtin_strspn/__builtin_strcspn.
1166 2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
1168 * config/avr/avr.c (out_set_stack_ptr): Update comment.
1169 (print_operand): Add support for %~ and %o.
1171 2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1173 * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
1175 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1177 * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
1178 * cpperror.c (print_containing_files): Get right line number.
1179 (print_location): Output column of 1 if 0.
1180 * cppfiles.c (stack_include_file): cpp_push_buffer handles
1182 * cpphash.h (_cpp_do_file_change): No longer external.
1183 * cpplib.c (do_file_change): Now local to cpplib.c.
1184 (do_line): Fake a buffer stack for preprocessed files.
1185 (cpp_push_buffer): Create a file_change callback. Handle faked
1187 (cpp_pop_buffer): Similarly.
1188 * cpplib.h: BUF_FAKE: New buffer type.
1189 * cppmain.c: Update to handle correct file renaming where a
1190 #line is the first line of the main file, and produce only
1191 the renamed file, not the original file, as output.
1193 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1195 * config/c4x/c4x.md: Remove redundant @s from output patterns.
1197 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1198 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1200 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
1202 * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
1204 * config/c4x/c4x.c (c4x_init_pragma): New function.
1205 (c_lex_func): New variable.
1206 (c4x_parse_pragma): Use c_lex_func.
1208 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1209 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1211 * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
1212 to c4x_init_builtins.
1214 * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
1216 * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
1217 (c4x_output_ascii): Fix.
1219 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1220 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1222 * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
1224 * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
1225 (c4x_expand_builtin): Likewise.
1227 * config/c4x/c4x.c (c4x_init_builtins): New function.
1228 (c4x_expand_builtin): Likewise.
1230 * config/c4x/c4x.md (floatunsqihf2): New pattern.
1231 (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
1232 (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
1233 (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
1234 (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
1236 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1238 * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
1239 * libgcc2.c (__absvsi2): Use Wtype and DWtype.
1240 (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
1241 (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
1243 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
1245 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
1246 statement in do/while(0).
1248 Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
1250 * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
1251 lshrhi3_cmpno): Remove redundant '@' from the template.
1253 * i386.md (cmpstrsi_1): Fix type of the compare.
1255 * genattrtab.c (attr_rtx_cost): New function.
1256 (simplify_test_exp): Avoid overactive inlining; use temporary
1259 Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1261 * diagnostic.c (finish_abort): Deleted.
1262 (fatal): Add code from finish_abort.
1263 (error_recursion, fancy_abort): Call fatal, not finish_abort.
1264 (trim_filename): Remove leading "../".
1265 * diagnostic.h (finish_abort): Deleted.
1266 * toplev.c (crash_signal): Call fatal, not finish_abort.
1268 * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
1269 as if size were variable.
1271 * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
1273 2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
1275 * tradcpp.c: T_WARNING: New.
1276 (do_warning): New function.
1277 (finclude): Skip past the newline and increase the line number
1278 before calling output_line_command.
1279 (do_line): Skip the new line after output_line_command. Don't
1280 pre-decrement the line number.
1282 2000-12-15 Diego Novillo <dnovillo@redhat.com>
1284 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
1285 _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
1287 2000-12-15 Jakub Jelinek <jakub@redhat.com>
1289 * gcc.c (cpp_options): Pass -fno-operator-names.
1290 * cpplib.h (struct cpp_options): Add operator_names.
1291 * cppinit.c (cpp_create_reader): Initialize it.
1292 (initialize_builtins): If -fno-operator-names, don't add
1293 C++ alternate operator names.
1294 (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
1295 (cpp_handle_option): Clear operator_names.
1297 2000-12-15 Jason Merrill <jason@redhat.com>
1299 * jump.c (jump_optimize_1): Don't delete the line note after the
1300 prologue even if it seems redundant.
1302 * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
1303 on all insns used to adjust the stack.
1305 Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
1307 * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
1308 hardreg<->reg moves.
1310 Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
1312 * genrecog.c (add_to_sequence): Remove special case for
1314 (maybe_both_true): Return 1 when falling out of sequence when
1315 trying to find common possition in the pattern.
1317 Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
1319 * integrate.c (copy_rtx_and_substitute): Copy mode too.
1321 Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
1323 * flow.c (notice_stack_pointer_modification_1): Cleanup.
1325 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
1327 * function.c (adjust_trampoline_addr): New function.
1328 (trampoline_address): Call it instead of round_trampoline_addr().
1329 * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
1331 2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
1333 * cppfiles.c (hack_vms_include_specification): Delete function
1334 (not used since 1998).
1336 Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
1338 * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
1340 2000-12-14 Jim Wilson <wilson@redhat.com>
1342 * alias.c (get_alias_set): Call record_component_aliases for
1344 (record_component_aliases): Handle COMPLEX_TYPE.
1346 2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * fixinc/gnu-regex.c: Disable NLS.
1350 2000-12-14 Richard Henderson <rth@redhat.com>
1352 * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
1353 comparison operands when that would create non-canonical rtl.
1355 * config/i386/i386.md (umulsi3_highpart): Remove * from name.
1356 (smulsi3_highpart): Likewise.
1358 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1360 * gcc.c (cpp_options): Add -remap.
1362 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1364 * gcc.c (cpp_options): Update to use '&'.
1365 (struct switchstr): Change type of validated to save space.
1366 New member 'ordering'.
1367 (handle_braces, validate_switches): Update to handle '&'.
1369 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
1371 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
1373 * fixinc/fixincl.x: regenerated.
1375 2000-12-13 DJ Delorie <dj@redhat.com>
1377 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
1379 2000-12-13 Tom Tromey <tromey@redhat.com>
1381 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
1383 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
1385 * function.c (assign_parms): Optimize incoming PARALLELs into
1388 2000-12-13 Bruce Korb <bkorb@gnu.org>
1390 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
1391 that cannot handle bi-directional pipes, viz. BeOS and DOS.
1392 * fixinc/fixlib.h(IGNORE_ARG): new macro
1393 (STATIC): define for all of fixinc to use
1394 * fixinc/fixfixes.c(*): eliminate unused arg warnings
1395 * fixinc/fixtests.c(*): ditto
1396 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
1397 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
1398 warning. Also, eliminate the ``#ifdef emacs'' stuff.
1399 (re_syntax_options): make global as it is declared so.
1400 * fixinc/mkfixinc.sh: process the argument list more consistently
1401 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
1402 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
1403 * fixinc/server.c(globals): ditto
1404 * fixinc/server.h(defines): ditto
1406 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1408 * tradcpp.c (special_symbol): Improve test for definedness,
1409 though it is still not perfect.
1410 (do_define): Don't define illegal macro names.
1412 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
1414 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
1415 if changing into .bss section.
1416 * config/mips/elf64.h: same.
1417 * config/mips/iris6.h: same.
1418 * config/mips/netbsd.h: same.
1419 * config/mips/openbsd.h: same.
1421 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1423 * cppfiles.c (read_name_map): Return null if open () fails.
1424 (remap_filename): Simplify logic. Add ICE if it doesn't work
1425 as expected. Perform secondary lookup attempt on base filename
1428 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
1430 * flow.c (notice_stack_pointer_modification_1): Notice midifications
1431 using PRE_MODIFY and POST_MODIFY.
1433 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
1435 * genoutput.c (process_template): Add sanity checking for '@' templates.
1437 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
1439 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
1442 2000-12-12 Mike Stump <mrs@wrs.com>
1444 * Makefile.in (distclean): Remove safe-ctype.c as well.
1446 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
1448 * tradcpp.c (do_error): Cast difference of pointers to int
1451 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1453 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
1454 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
1456 2000-12-12 Jim Wilson <wilson@redhat.com>
1458 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
1460 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
1462 * configure.in: Simplify language enabling/disabling code.
1463 * configure: Rebuilt.
1464 * ch/config-lang.in (target_libs): Set.
1465 (build_by_default): Set to no.
1466 * cp/config-lang.in (target_libs): Set.
1467 * f/config-lang.in (target_libs): Set.
1468 * java/config-lang.in (target_libs): Set.
1469 * objc/config-lang.in (target_libs): Set.
1471 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
1473 * tradcpp.c (enum node_type): Add T_ERROR.
1474 (do_error): New function.
1475 (directive_table): Add #error handler.
1477 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1479 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
1481 * configure: Regenerated.
1482 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1483 * config/rs6000/rs6000.c (rs6000_unique_section): Use
1484 STRIP_NAME_ENCODING.
1486 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
1488 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
1489 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
1492 2000-12-11 Bruce Korb <bkorb@gnu.org>
1494 * fixinc/fixincl.tpl: initialize all fields for warnings
1495 * fixinc/fixincl.x: regenerate
1497 2000-12-11 Neil Booth <neilb@earthling.net>
1499 * tradcpp.h: For tradcpp, NUL is not whitespace.
1501 2000-12-11 Neil Booth <neilb@earthling.net>
1503 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
1505 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
1507 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
1508 (compare_diff_p, compare_eq_p): Call compare_condition.
1509 (out_tsthi, out_tstsi): Call compare_sign_p.
1510 (avr_progmem_p): Check for error_mark_node.
1512 2000-12-11 Neil Booth <neilb@earthling.net>
1514 * cpperror.c (print_location): New function.
1515 (print_containing_files): Simplify.
1516 (_cpp_begin_message): Simplify and use print_location.
1517 * cppfiles.c (stack_include_file): Update.
1518 (_cpp_pop_file_buffer): Update.
1519 * cpphash.h (struct cpp_buffer): New members
1520 include_stack_listed and type.
1521 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
1522 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
1523 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
1524 handle_assertion): Update.
1525 (cpp_push_buffer): Take a buffer type and file name.
1526 (cpp_pop_buffer): Update. Clear include_stack_listed.
1527 * cpplib.h (input_stack_listing_current): Remove.
1528 (enum cpp_buffer_type): New.
1529 (cpp_push_buffer): New prototype.
1530 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
1531 * fix-header.c (read_scan_file): Update.
1533 2000-12-10 Robert Lipe <robertlipe@usa.net>
1535 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
1538 2000-12-10 Richard Henderson <rth@redhat.com>
1540 * genrecog.c (find_operand): Handle 'V' format code.
1541 (find_matching_operand): New.
1542 (validate_pattern): Accept '=' for an in-out operand if there
1543 is another operand with a matching constraint.
1545 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
1548 2000-12-10 Richard Henderson <rth@redhat.com>
1550 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
1552 2000-12-09 Richard Henderson <rth@redhat.com>
1554 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
1555 STRICT_LOW_PART as SET_DEST have in-out constraints.
1557 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1559 * c-common.c (check_function_format): Don't suggest adding format
1560 attributes to functions with no parameter to which to add them.
1562 2000-12-09 Nick Clifton <nickc@redhat.com>
1564 * config/arm/arm.c (arm_expand_prologue): Mark the generated
1565 insn not the set as being DWARF2_FRAME_RELATED_P.
1567 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1569 * Makefile.in: use $(build_exeext) for all build
1570 system executable targets.
1572 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1574 * install.texi: remove i[345]86-*-winnt3.5 section.
1575 * configur.bat: removed.
1576 * config/msdos: directory removed.
1578 2000-12-09 Neil Booth <neilb@earthling.net>
1580 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
1581 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
1582 * cpplex.c (parse_identifier): Improve diagnostic.
1583 (_cpp_lex_token): Return unconditionally at the end of a directive.
1584 * cpplib.c (read_flag): Verify legality of each flag.
1585 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
1586 (do_line): Use the new read_flag.
1587 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
1588 check_macro_redefinition, parse_params): Rename var_args to
1591 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1593 * .cvsignore: Add info files.
1595 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
1597 * config/winnt: Remove obsolete directory.
1598 * install.texi (Configurations): Remove obsolete documentation for
1601 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
1603 * configure.in: Don't define INSTALL_INFO.
1604 * configure: Regenerate.
1605 * Makefile.in (INSTALL_INFO): Remove.
1606 (info): Depend on info files in source directory.
1607 (cpp.info, gcc.info, c-tree.info): Build info files in source
1609 (distclean): Don't remove info files.
1610 (maintainer-clean): Remove info files from source directory.
1611 (install-normal): Depend on install-info.
1612 (install-info): Install info files from source directory, if they
1614 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
1616 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
1618 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
1619 before taking its NOTE_LINE_NUMBER.
1621 2000-12-08 Nick Clifton <nickc@redhat.com>
1623 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
1625 * extend.texi: Document ARM "interrupt" function attribute.
1626 Mention that the ARM also support the "naked" function
1629 * config/arm/arm-protos.h (arm_current_func_type): Add
1632 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
1633 (struct machine_function): Add 'func_type' field.
1634 Define bit values for 'func_type' field.
1635 (ARM_FUNC_TYPE): New macro.
1636 (IS_INTERRUPT): New macro.
1637 (IS_VOLATILE): New macro.
1638 (IS_NAKED): New macro.
1639 (IS_NESTED): New macro.
1640 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
1642 * config/arm/arm.c (isr_attribute_args): New Structure. A
1643 list of "interrupt" function attribute modifiers.
1644 (arm_isr_value): New Function: Returns the type of the current
1646 (arm_compute_func_type): New Function: Computes the type of
1647 the current function.
1648 (arm_current_func_type): New Function: Returns the type of the
1650 (use_return_insn): Use arm_current_func_type.
1651 (arm_valid_type_attribute_p): Accept "interrupt" function
1653 (arm_comp_type_attributes): Check "interrupt" attributes.
1654 (arm_valid_machine_decl): Accept "interrupt" function
1656 (arm_function_ok_for_sibcall): Do not allow interrupt
1657 functions to use sibcalls.
1658 (arm_naked_function_p): Delete.
1659 (print_multi_reg): Remove redundant parameter 'hat'.
1660 (arm_compute_save_reg_mask): New Function: Compute a bit mask
1661 of registers saved during the current function's prologue.
1662 (output_arm_return_instruction): Use arm_current_func_type.
1663 Generate return instruction when LR is not poppsed off the
1665 (arm_volatile_func): Delete.
1666 (output_arm_prologue): Use arm_current_func_type and
1667 arm_compute_save_reg_mask.
1668 Note presernce of interrupt functions.
1669 (arm_output_epilogue): Use arm_current_func_type and
1670 arm_compute_save_reg_mask.
1671 (arm_expand_prologue): Use arm_current_func_type and
1672 arm_compute_save_reg_mask.
1673 (arm_init_machine_status): Initialise func_type field, if
1675 (thumb_expand_prologue): Use arm_current_func_type.
1676 (output_thumb_prologue): Use arm_current_func_type.
1678 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
1680 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
1682 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
1684 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
1687 2000-12-07 Mike Stump <mrs@wrs.com>
1689 * Makefile.in (distclean): Remove alloca.c hashtab.c.
1691 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
1693 * Makefile.in (HOST_RTL): Add safe-ctype.o.
1694 (safe-ctype.o): New rule.
1695 * system.h: Include safe-ctype.h, not ctype.h. No need to
1698 * cpphash.h: Zap IStable and related macros. Define is_* in
1699 terms of safe-ctype.h macros.
1700 * cppinit.c: Delete the IStable and all related code.
1702 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
1703 is_space arrays. Delete initialize_char_syntax. Change all
1704 references to the above arrays to use macros instead.
1705 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
1706 is_nvspace in terms of safe_ctype.h's macros.
1707 * tradcif.y: is_idchar, is_idstart are macros not arrays.
1709 * config/i370/i370.c, config/winnt/dirent.c,
1710 config/winnt/fixinc-nt.c, config/winnt/ld.c:
1711 Use uppercase ctype macros. If we included ctype.h,
1712 include safe-ctype.h instead.
1714 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
1715 ISLOWER(c) before calling TOUPPER(c).
1716 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
1717 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
1718 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
1720 2000-12-07 DJ Delorie <dj@redhat.com>
1722 * c-decl.c (grokdeclarator): preserve previous alignments when
1723 rebuilding array types.
1725 2000-12-07 Neil Booth <neilb@earthling.net>
1727 * cppfiles.c (struct include_file): Move from cpphash.h.
1728 (_cpp_never_reread): New function.
1729 (open_file, read_include_file): Use it.
1730 (stack_include_file): Set the buffer's sysp according to the
1731 path in which the file was found.
1732 (find_include_file): Don't set sysp.
1733 (cpp_make_system_header, actual_directory): Update.
1734 (_cpp_execute_include): Do #include_next lookup handling here,
1735 not in cpplib.c. Use _cpp_never_reread.
1736 * cpphash.h (struct_include_file): Remove.
1737 (struct cpp_buffer): New member sysp.
1738 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
1739 (_cpp_never_reread): New.
1740 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
1741 (end_directive): Clear line_extension flag.
1742 (_cpp_handle_directive): Set line_extension flag for #number.
1743 (do_include_next): Handle path lookup in _cpp_execute_include.
1744 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
1745 (_cpp_do_file_change): Update.
1746 (do_pragma_once): Use cpp_never_reread. Clean up.
1747 * cpplib.h (struct lexer_state): New member line_extension.
1749 2000-12-07 Richard Henderson <rth@redhat.com>
1751 * flow.c (calculate_global_regs_live): Force the stack pointer live
1752 after reload as well.
1754 2000-12-07 Bruce Korb <bkorb@gnu.org>
1756 * fixinc/Makefile.*(exeext): the variables are exeext, the
1757 substitution expression is build_exeext.
1759 2000-12-07 Neil Booth <neilb@earthling.net>
1761 * c-common.c (parse_in): Make a cpp_reader *.
1762 * cppfiles.c (_cpp_fake_include): Remove.
1763 * cpphash.h: Similarly.
1764 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
1765 #line always creates a callback; FC_RENAME if there are no
1767 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
1768 The first EOF must be our get_char buffer.
1770 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1772 * c-common.c (warn_format_security): New variable.
1773 (check_format_info): Warn about non-literal formats with no format
1774 arguments if either -Wformat-nonliteral or -Wformat-security is
1776 (set_Wformat): Set warn_format_security for settings other than 1.
1777 * c-common.h (warn_format_security): Declare.
1778 * c-decl.c (c_decode_option): Decode -Wformat-security and
1779 -Wno-format-security.
1780 * invoke.texi: Document -Wformat-security.
1781 * toplev.c (documented_lang_options): Include -Wformat-security
1782 and -Wno-format-security.
1784 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1786 * c-common.c (check_format_info): Warn for non-constant format
1787 strings with strftime formats if -Wformat-nonliteral. Where the
1788 format can convert arguments, if the format is not a string
1789 literal and there are no arguments to the format, give a different
1790 warning message from the general non-string-literal case.
1792 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1794 * c-common.c (format_wanted_type): Add reading_from_flag.
1795 (print_char_table): Mark %s and %S formats with flag "R".
1796 (check_format_info_main): Set up reading_from_flag appropriately.
1797 If aflag, always set writing_in_flag rather than relying on the
1798 format used being a scanf format and so having it set.
1799 (check_format_types): Check for formats reading through null
1802 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1804 * invoke.texi (-Wformat): Document what format features are
1807 2000-12-06 Kazu Hirata <kazu@hxi.com>
1809 * config/h8300/h8300.h: Fix formatting.
1811 2000-12-06 Joel Sherrill <joel@OARcorp.com>
1813 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
1814 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
1815 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
1816 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
1817 config/h8300/rtems.h, config/mips/rtems.h: New files.
1819 2000-12-06 Mark Kettenis <kettenis@gnu.org>
1821 * config.gcc: Reorganize handling of *-*-gnu*, to share target
1822 specific make details with Linux. Update comments to clarify
1823 the distinction between GNU/Linux and GNU/Hurd.
1825 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
1827 * contrib.texi: Fix my email address. Update Per's
1828 list of contributions.
1830 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
1832 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
1833 * collect2.c (scan_libraries): Remove unused `ch'.
1834 (COFF specific stuff): Prototype ldgetname. Declare and prototype
1835 ldbtread and ldclose.
1837 * config/alpha/osf.h: Standarize copyright statement.
1838 * config/arc/arc.h: Likewise.
1839 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
1840 * config/arm/arm.c config/arm/arm.h: Likewise.
1841 * config/elxsi/elxsi.h: Likewise.
1842 * config/i386/sco.h: Likewise.
1843 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
1844 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
1845 * config/m68k/sun3.h: Likewise.
1846 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
1847 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
1848 * config/romp/romp.h: Likewise.
1849 * config/rs6000/aix41.h: Likewise.
1850 * config/sparc/sysv4.h: Likewise.
1851 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
1852 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
1853 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
1854 * longlong.h: Likewise.
1855 * libgcc2.c: Likewise.
1857 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1859 * machmode.def: Use correct definition for BITSIZE on targets where
1862 2000-12-06 Bruce Korb <bkorb@gnu.org>
1864 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
1867 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1869 * pa.c: Include expr.h before c-tree.h.
1870 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
1871 instead of reverse_condition.
1872 (print_operand): Correct predicates for GT, GE, LT and LE. Add
1873 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
1875 (cmpib_comparison_operator): Add GEU and LTU codes.
1876 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
1877 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
1878 bordered): New float conditional branch patterns.
1880 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
1882 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
1884 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
1886 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
1887 backslash and newline, when inside a comment.
1889 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
1891 * invoke.texi: Use @table @samp instead of @itemize @minus for
1892 table of language standards. Fix use of @pxref. From Zack
1893 Weinberg. Also exclude specs documentation from generated
1894 manpage, and create separate ENVIRONMENT section.
1896 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
1898 * gcse.c (compute_pre_data): Kill trapping expressions in
1899 destination blocks of abnormal edges.
1901 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
1903 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
1904 (mn10300_get_live_callee_saved_regs): Likewise.
1905 (mn10300_gen_multiple_store): Likewise.
1906 (store_multiple_operation): Likewise.
1907 (expand_prologue): Use mn10300_gen_multiple_store().
1908 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
1909 (mn10300_get_live_callee_saved_regs): Likewise.
1910 (mn10300_gen_multiple_store): Likewise.
1911 (store_multiple_operation): Likewise.
1912 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
1913 tied to store_multiple_operation().
1915 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
1917 * builtins.c (expand_builtin_setjmp_setup): Set
1918 current_function_has_nonlocal_label.
1920 2000-12-05 Neil Booth <neilb@earthling.net>
1922 * cppfiles.c (stack_include_file): Push zero-length buffers
1923 in case of failure. Return void, as we don't fail any more.
1924 (read_include_file): Check for files we shouldn't re-read.
1925 Don't return an error code; errors are implied by marking the
1927 (_cpp_execute_include): Move the recursion and in-macro checks
1928 here. Update for stack_include_file not failing.
1929 * cpplib.c (cpp_push_buffer): Always succeed, since
1930 _cpp_execute_include performs the recursion check. Tidy up.
1931 * cpplib.h (cpp_push_buffer): Update prototype.
1933 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
1935 * sched-vis.c (visual_tbl_line_length): New variable.
1936 (get_visual_tbl_length): Set it.
1937 (visualize_stall_cycles): Don't let stalls overrun
1938 visual_tbl_line_length.
1940 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
1942 * global.c (global_conflicts): Allow for a REG_UNUSED note
1943 with a different mode to the REG set in the insn.
1945 2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1947 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
1949 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
1951 2000-12-05 Bruce Korb <bkorb@gnu.org>
1953 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
1956 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
1958 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
1959 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
1960 to cope with aliased copies.
1961 * fixinc/fixincl.x: Regenerate.
1963 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
1965 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
1966 * sched-rgn.c: Likewise.
1967 (rgn_print_insn): Fix output.
1969 2000-12-05 Bruce Korb <bkorb@gnu.org>
1971 * fixinc/Makefile.*: make these more consistent
1972 * fixinc/mkfixincl.sh: enable BeOS fixincludes
1974 2000-12-05 Richard Henderson <rth@redhat.com>
1976 * stmt.c (warn_if_unused_value): Move side effects test earlier.
1978 2000-12-05 Alan Modra <alan@linuxcare.com.au>
1980 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
1983 2000-12-05 Richard Henderson <rth@redhat.com>
1985 * flow.c (calculate_global_regs_live): Only force stack pointer
1986 live before reload. Force pic register live before reload.
1987 (insn_dead_p): Don't protect pic references from deletion.
1989 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
1991 * invoke.texi: Add support for using texi2pod.pl. Don't use
1994 2000-12-04 Nick Clifton <nickc@redhat.com>
1996 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
1997 'tune_flags' for XScale nature.
1998 Remove spurious test of HARD_FLOAT and XScale flags.
2000 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
2001 contraint, accidentally changed during XScale contribution.
2003 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
2004 not create these functions if the target architecture does not
2005 support Thumb instructions.
2007 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
2009 * ONEWS: New file with the current contents of NEWS up to EGCS
2011 * NEWS: Generate automatically from online release notes from EGCS
2012 1.0 to GCC 2.95.2, using ../contrib/gennews.
2014 2000-12-04 Neil Booth <neilb@earthling.net>
2016 * tradcif.y: Move lexptr to top of file. Add rule to handle
2017 assertions in conditional expressions.
2018 * tradcpp.c (parse_answer): Assertions do not need to go to
2019 end of line in conditional directives.
2020 (parse_assertion): Get first character of identifiers correct.
2021 (test_assertion): New function.
2022 * tradcpp.h (test_assertion): New prototype.
2024 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
2026 * config.gcc: Fix typo for UnixWare 7.
2028 2000-12-03 Phil Edwards <pme@sources.redhat.com>
2030 * invoke.texi: Replace `pedwarns' with clearer text.
2032 2000-12-04 Bruce Korb <bkorb@gnu.org>
2034 * fixinc/Makefile.*(clean): don't clean autogenerated files.
2035 (mainainer-clean): clean autogenerated files
2037 2000-12-04 DJ Delorie <dj@redhat.com>
2039 * md.texi: Add overview, clarify match_dup and define_expand.
2041 2000-12-04 DJ Delorie <dj@redhat.com>
2043 * print-tree.c (print_node): Target-specific builtins print
2046 2000-12-04 Jason Merrill <jason@redhat.com>
2048 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
2051 * diagnostic.c (report_problematic_module): s/function/module/.
2053 * c-lex.h: Remove decl for check_newline.
2055 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2057 * README.APOLLO: Remove obsolete file.
2059 2000-12-04 Neil Booth <neilb@earthling.net>
2061 * cppinternals.texi: New file.
2063 2000-12-04 Neil Booth <neilb@earthling.net>
2065 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
2066 and operate on current buffer.
2067 (cpp_read_file): Rename _cpp_read_file.
2068 * cpplib.c (do_line, do_pragma_system_header): Update calls to
2069 cpp_make_system_header.
2070 * fix-header.c: Similarly.
2071 * cpphash.h (_cpp_read_file): Move from...
2072 * cpplib.h: ... here.
2073 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
2075 2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
2078 Handle another transformation.
2080 2000-12-03 Nick Clifton <nickc@redhat.com>
2082 * config.gcc: Add support for StrongARM targets.
2083 * config/arm/t-strongarm-elf: New file.
2084 * config/arm/t-strongarm-coff: New file.
2085 * config/arm/t-strongarm-pe: New file.
2086 * config/arm/strongarm-pe.h: New file.
2088 2000-12-03 Nick Clifton <nickc@redhat.com>
2090 * NEWS: Mention XScale has been added.
2091 * config.gcc: Add support for XScale targets.
2092 * config/arm/arm.h: Add support for XScale processor.
2093 * config/arm/arm.c: Add support for XScale processor.
2094 * config/arm/arm.md: Add support for XScale processor.
2095 * config/arm/t-xscale-elf: New file.
2096 * config/arm/t-xscale-coff: New file.
2097 * config/arm/xscale-elf.h: New file.
2098 * config/arm/xscale-coff.h: New file.
2100 2000-12-03 Richard Henderson <rth@redhat.com>
2102 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
2103 unless exception handling is enabled, and if not using sjlj.
2105 * builtins.c (expand_builtin_setjmp_setup): New.
2106 (expand_builtin_setjmp_receiver): New.
2107 (expand_builtin_setjmp): Split out _setup and _receiver functions.
2108 Move argument parsing in from ...
2109 (expand_builtin): ... here.
2110 * except.c (receive_exception_label): Branch around receiver
2111 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
2112 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
2113 * expr.h: Update builtin setjmp decls.
2115 2000-12-03 Bruce Korb <bkorb@gcc.org>
2117 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
2118 build machine name. Default to the target.
2120 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2122 * Makefile.in: use $(build_canonical), not $(canonical_build).
2124 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2126 * Makefile.in (OBJS): Add sched-rgn.o.
2127 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
2129 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2130 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2131 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2132 MAX_BLOCKAGE_COST): Move to sched-int.h.
2133 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
2134 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
2135 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
2136 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
2137 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
2138 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
2139 debug_regions, find_single_block_region, find_rgns, too_large,
2140 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
2141 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
2142 extract_bitlst, bblst, struct candidate, candidate_table,
2143 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
2144 SRC_PROB, target_bb, split_edges, compute_trg_info,
2145 debug_candidate, debug_candidates, bbset, bbset_size, dom,
2146 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
2147 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
2148 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
2149 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
2150 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
2151 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
2152 update_live, set_spec_fed, is_pfree, find_conditional_protection,
2153 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
2154 is_prisky, is_exception_free, add_branch_dependences,
2155 propagate_deps, compute_block_backward_dependences,
2156 debug_dependencies, is_cfg_nonregular, build_control_flow,
2157 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
2158 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
2159 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
2160 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
2161 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
2162 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
2163 rgn_rank, region_sched_info): Move to sched-rgn.c.
2164 (debug_reg_vector): Delete useless function.
2165 (get_bb_head_tail): Likewise.
2166 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
2167 no_real_insns_p, rm_line_notes, save_line_notes,
2168 restore_line_notes, rm_redundant_line_notes, sched_init): No
2170 (rm_line_notes, save_line_notes, restore_line_notes,
2171 schedule_block, set_priorities): Change argument to be a real
2172 basic block, not one of haifa's "bb"s. All callers changed
2173 (rm_other_notes): Initialize note_list here, not in
2175 (sched_finish): New function, called from schedule_insn. * *
2176 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2177 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2178 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2179 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
2180 (get_block_head_tail, no_real_insns_p, rm_line_notes,
2181 save_line_notes, restore_line_notes, rm_redundant_line_notes,
2182 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
2183 sched_init, sched_finish, ready_add, insn_cost): Declare.
2185 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2186 Bruce Korb <bkorb@gnu.org>
2188 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
2189 * fixinc/mkfixinc.sh: accept build system name as an argument.
2190 Use it for choosing the fix build method. Use the target for
2191 selecting special fix rules.
2193 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2195 * Makefile.in (OBJS): Add sched-deps.o.
2196 (sched-deps.o): New rule.
2197 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
2199 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
2201 (SIZE_FOR_MODE): Delete unused macro.
2202 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
2203 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
2204 anti_dependency_cache, output_dependency_cache,
2205 forward_dependency_cache): Variables moved to sched-deps.c.
2206 (add_dependence, remove_dependence, find_insn_list,
2207 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
2208 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
2209 sched_analyze, group_leader, compute_forward_dependences,
2210 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
2211 Functions moved to sched-deps.c.
2212 (schedule_region): Call init_deps_global and finish_deps_global
2213 instead of directly manipulating dependency data structures.
2214 * sched-deps.c: New file.
2215 (init_deps_global, finish_deps_global): New functions.
2216 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
2219 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
2222 * Makefile.in (OBJS): Add sched-vis.o.
2223 (sched-vis.o): New rule.
2224 * haifa-sched.c (get_unit_last_insn): New function.
2225 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
2227 (schedule_block): Call visualize_alloc and visualize_free. Delete
2228 spurious return statement.
2229 (init_target_units, insn_print_units, get_visual_tbl_length,
2230 init_block_visualization, print_block_visualization, safe_concat,
2231 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
2232 print_exp, print_value, print_pattern, print_insn, target_units,
2233 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
2234 n_vis_no_unit, vis_no_unit): Move scheduling visualization
2235 functions/variables...
2236 * sched-vis.c: ...here. New file.
2237 (visualize_alloc, visualize_free): New functions.
2238 (visualize_scheduled_insns, visualize_stall_cycles,
2239 print_block_visualization): Lose basic block argument. All callers
2241 (visualize_scheduled_insns): Use new function get_unit_last_insn.
2242 * sched-int.h (current_sched_info, sched_dump): Declare.
2243 (init_target_units, insn_print_units, init_block_visualization,
2244 print_block_visualization, visualize_scheduled_inns,
2245 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
2246 visualize_free): Declare functions.
2248 * sched-int.h: New file.
2249 * Makefile.in (haifa-sched.o): Depend on it.
2250 * haifa-sched.c: Include it.
2251 (no_real_insns_p): New function.
2252 (current_sched_info): New static variable.
2253 (__inline, HAIFA_INLINE): Moved to sched-int.h.
2254 (get_block_head_tail): Minor cleanup.
2255 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
2256 rgn_print_insn, rgn_rank): New functions, broken out of
2257 rank_for_schedule, schedule_insn and schedule_block, where they
2258 are now called through function pointers in current_sched_info.
2259 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
2260 print_insn): To display uid and block number, call the print_insn
2261 function pointer in current_schedule_info.
2262 (region_sched_info): New static variable.
2263 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
2264 variables, moved out of schedule_block.
2265 (schedule_block): Return void. All callers changed.
2266 Move some of the setup code into schedule_region. Get head/tail
2267 from current_sched_info, and update it when done.
2268 (schedule_region): Slightly rearranged, some code moved here from
2269 schedule_block. Call no_real_insns_p to avoid doing work for a
2270 block that consists only of notes and labels.
2271 (schedule_insns): Initialize current_sched_info.
2273 2000-12-03 Neil Booth <neilb@earthling.net>
2275 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
2276 by contexts drops AFTER argument pre-expansion, so that they
2277 remain enabled during argument pre-expansion.
2278 (_cpp_pop_context): Unconditionally re-enable a macro when
2279 dropping a context level.
2281 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
2283 * arm/t-linux (MULTILIB_OPTIONS): Comment.
2284 (MULTILIB_DIRNAMES): Likewise.
2285 (EXTRA_MULTILIB_PARTS): Likewise.
2287 (INSTALL_LIBGCC): Likewise.
2289 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
2292 expand_builtin_strspn, expand_builtin_strcspn): New functions.
2293 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2294 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
2296 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2297 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
2299 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2300 strcat, strncat, strspn and strcspn.
2301 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
2303 * extend.texi (strcat, strcspn, strncat, strspn): Document new
2306 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2308 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
2309 expanding strcmp at compile-time. Add another transformation.
2310 (expand_builtin_strncmp): Add more transformations. Call
2311 expand_builtin_memcmp, not expand_builtin_strcmp, under
2312 appropriate conditions if HAVE_cmpstrsi.
2314 2000-12-02 David Edelsohn <edelsohn@gnu.org>
2316 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
2318 (cr logic): Really make operands sequential.
2320 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
2322 * c-common.c (combine_strings): When the ISO C standard specifies
2323 the maximum length of a string, it doesn't include the trailing
2326 * cpplib.c (do_ifdef): Add check_eol() call.
2327 (do_ifndef): Likewise.
2329 2000-12-02 Daniel Berlin <dberlin@redhat.com>
2330 Bruce Korb <bkorb@gnu.org>
2332 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
2333 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
2334 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
2335 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
2336 use the "__need_" hackery. It breaks them.
2337 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
2338 Sometimes on DOS and BeOS the temp output file cannot be opened.
2339 Skip the file noisily. Ought to be fixed instead.
2341 2000-12-02 Bruce Korb <bkorb@gnu.org>
2343 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2345 * fixfixes.c (emit_gnu_type, format_write): Prototype.
2346 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
2347 custom uppercase ctype macros.
2348 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
2349 Use gcc's custom uppercase ctype macros.
2351 (machine_matches): Add static prototype and constify variable.
2352 (create_file, test_test, egrep_test): Add static prototype.
2353 (quoted_file_exists): Likewise, and constify parameters.
2354 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
2355 write_replacement, test_for_changes): Add static prototype.
2356 (write_replacement, test_for_changes): Delete excess argument to
2358 * fixtests.c (test): Make static.
2359 * server.c (load_data, sig_handler, server_setup, find_shell): Add
2361 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
2363 2000-12-02 Bruce Korb <bkorb@gnu.org>
2365 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
2366 (per Laurynas Biveinis <lauras@softhome.net>)
2368 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
2370 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
2372 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
2373 (REGNO_OK_FOR_FOR_BASE_P): Delete.
2374 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
2375 both strict and non-strict uses.
2376 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
2377 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
2378 (REG_OK_FOR_INDEX_P): Define in terms of above.
2379 (REG_OK_FOR_BASE_P): Delete.
2380 (REG_OK_FOR_PRE_POST_P): Delete.
2381 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
2382 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
2383 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
2384 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
2385 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
2386 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
2387 in pre/post increment cases.
2388 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
2389 (ARM_LEGITIMIZE_ADDRESS): Similarly.
2390 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
2391 * arm.c (legitimate_pic_address): Similarly.
2393 2000-12-02 Neil Booth <neilb@earthling.net>
2395 * tradcpp.c (struct answer, parse_assertion, parse_answer,
2396 canonicalize_text, find_answer): New.
2397 (do_assert, do_unassert): Provide appropriate function bodies.
2398 (union hashval): New member answers.
2400 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
2402 * config/avr/avr.md: Document UNSPEC usage.
2403 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
2404 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
2405 MEM for program memory word reference. Do not add the label to
2406 the table index in each of the asm output templates, instead ...
2407 (casesi): ... do it in RTL. Adjust to match the above change.
2409 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2411 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
2412 * c-decl.c: ... not here.
2414 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
2415 (old_max_uid): New variable.
2416 (compute_forward_dependences): Renamed from
2417 compute_block_forward_dependences; changed to accept block head and
2418 tail instead of block number. Caller changed.
2419 (free_deps, init_dependency_caches, free_dependency_caches,
2420 init_regions, sched_init): New functions, split out from
2421 schedule_insns and compute_block_backward_dependences.
2423 2000-12-02 Neil Booth <neilb@earthling.net>
2425 * cppexp.c (parse_number): Update diagnostic test.
2427 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2429 * reload1.c (free_for_value_p): New function, frontend to
2430 reload_reg_free_for_value_p. All callers of the latter now call
2431 this function with an additional mode argument.
2433 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2435 * install.texi (Configurations): Remove obsolete documentation for
2438 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2440 * install.texi (Installation): Remove obsolete description for
2441 libstdc++ which is now an integral part of GCC.
2443 2000-12-01 Jim Blandy <jimb@redhat.com>
2445 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
2446 invisible reference in registers, but then spilled to the stack.
2447 Remove code to emit a second stab for such parameters; it attempts
2448 to describe the value's location by introducing a synthetic C++
2449 `reference' type, and then saying the stack slot has that
2450 reference type. This loses type information (breaking GDB's
2451 `ptype' command, among other things) just to describe a location
2452 which stabs can represent correctly in other ways.
2454 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2456 * final.c (output_addr_const) <PLUS>: Don't assume at least one
2457 operand is a CONST_INT.
2459 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
2460 (machine_dependent_reorg): Split all insns.
2461 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
2462 reg_class_contents[SIBCALL_REGS].
2463 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
2464 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
2465 call_value_pcrel, call, call_value, sibcall): Match even when
2467 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
2469 (sibcalli): Likewise.
2471 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2473 * c-common.c (warn_format, warn_format_y2k,
2474 warn_format_extra_args, warn_format_nonliteral): Define.
2475 (check_format_info): Check warn_format_nonliteral and
2476 warn_format_extra_args.
2477 (check_format_info_main): Check warn_format_y2k.
2478 (set_Wformat): New function.
2479 * c-common.h (warn_format_y2k, warn_format_extra_args,
2480 warn_format_nonliteral, set_Wformat): Declare.
2481 * c-decl.c (warn_format): Remove definition.
2482 (c_decode_option): Handle -Wformat-nonliteral,
2483 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
2485 * invoke.texi: Document these new options and -Wformat=2.
2486 * toplev.c (documented_lang_options): Add these new options.
2488 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2490 * builtins.def (BUILT_IN_IMAXABS): Add.
2491 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
2492 * c-common.c (c_common_nodes_and_builtins): Create builtin
2493 functions __builtin_imaxabs, and plain imaxabs unless
2494 flag_no_nonansi_builtin outside C99 mode.
2495 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
2496 * extend.texi: Document builtin imaxabs.
2498 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2500 * c-common.c: Include "defaults.h".
2501 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
2502 (c_common_nodes_and_builtins): Create string_type_node,
2503 const_string_type_node, wint_type_node, intmax_type_node,
2504 uintmax_type_node, default_function_type, ptrdiff_type_node and
2505 unsigned_ptrdiff_type_node.
2506 * c-common.h (identifier_global_value): Declare.
2507 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
2508 (init_decl_processing): Don't create string_type_node,
2509 const_string_type_node, wint_type_node, intmax_type_node,
2510 uintmax_type_node, default_function_type, ptrdiff_type_node and
2511 unsigned_ptrdiff_type_node.
2512 (identifier_global_value): New function.
2514 2000-12-01 Neil Booth <neilb@earthling.net>
2516 * cppinit.c (initialize): Forgotten prototype.
2517 * cpplex.c (_cpp_lex_token): Loop until not skipping.
2518 Always clear PREV_WHITE upon meeting a new line.
2519 * cpplib.c (end_directive): Set pfile->skipping after
2521 * cpplib.h (cpp_reader): Remove macro_pos.
2522 * cppmacro.c (cpp_get_line): Don't do anything special inside
2524 (parse_arg): Add PREV_WHITE if a token appears after new lines.
2525 (funlike_invocation_p): Save and restore the output position
2526 over a successful check for a '('.
2527 (enter_macro_context): Delete uses of macro_pos.
2528 (cpp_get_token): Don't use pfile->skipping.
2530 2000-12-01 Phil Edwards <pme@sources.redhat.com>
2532 * diagnostic.c: Fix typos in comments.
2533 * diagnostic.h: Likewise.
2535 2000-11-30 Phil Edwards <pme@sources.redhat.com>
2537 * rtl.texi (Machine Modes): Document BImode and OImode.
2539 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2541 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
2544 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2546 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
2547 incomplete element type.
2548 (grokparms): Before checking for incomplete parameter type, check
2549 the type isn't error_mark_node.
2551 2000-12-01 Jakub Jelinek <jakub@redhat.com>
2553 * builtins.c (target_char_cast): New function.
2554 (expand_builtin_strchr): Use it.
2555 (expand_builtin_strrchr): Use it.
2556 (builtin_memset_read_str): New function.
2557 (expand_builtin_memset): Use target_char_cast.
2558 Try to optimize memset with second argument non-zero using
2561 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
2563 * install.texi (avr): Replace incomplete list of supported MCU
2564 types with a link to the current one ...
2565 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
2566 all supported MCU types. Document -minit-stack= default.
2567 Document new options -mno-tablejump, -mtiny-stack.
2568 * md.texi (AVR family): Fix typo in 'w' constraint letter
2569 description. Document 'q'. Update 'O'.
2571 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
2573 * combine.c (cant_combine_insn_p): Only disallow insns involving
2574 hard regs if they are reg-reg moves.
2575 (try_combine, can_combine_p, combinable_i3pat): Delete old
2576 SMALL_REGISTER_CLASSES tests.
2578 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2580 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
2581 whether X is a CONST_INT.
2582 (addsubcosts): Likewise.
2584 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
2586 (ARG_POINTER_REGNUM): Set to AP_REG.
2588 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2590 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
2591 splits): Only match on TARGET_SH4.
2593 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
2594 of subsequent insns.
2596 2000-11-30 Richard Henderson <rth@redhat.com>
2598 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
2599 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2601 2000-11-30 Richard Henderson <rth@redhat.com>
2603 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
2604 (DO_SELECT_SECTION): New.
2605 (SELECT_SECTION): Use it.
2606 (UNIQUE_SECTION_P): New.
2607 (UNIQUE_SECTION): New.
2609 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2611 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
2612 from va_list before using it.
2614 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
2616 * flow.c (make_edge): Early out, if no flags to set.
2617 (calculate_global_regs_live): Clear out garbage only when necessary.
2619 * simplify-rtx.c (varray_type used_regs): New.
2620 (clear_table): Use it to only clear necessary items.
2621 (cselib_lookup, cselib_record_set): Remember newly set items.
2622 (cselib_update_varray_sizes, cselib_init): Initialize and grow
2625 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
2626 Move clearing of dead regs out of insn-loop.
2628 2000-11-30 Richard Henderson <rth@redhat.com>
2630 * calls.c (expand_call): Emit queued insns before creating
2631 the tail recursion sequence.
2633 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
2634 Bruce Korb <bkorb@gnu.org>
2636 * fixinc/inclhack.def(): prevent dual double definition protection
2637 * fixinc/fixincl.x: regenerate
2639 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
2641 * fixinc/Makefile.in (fixincl.x): Explicitly state the
2642 location of the generated file.
2644 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2646 * README.FRESCO: Remove obsolete file.
2648 2000-11-30 Mark Kettenis <kettenis@gnu.org>
2650 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
2651 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
2652 config/t-linux for the Hurd.
2654 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2656 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
2657 config/mn10200/udivmodsi4.c: Moved from here.
2658 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
2659 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
2660 C division functions.
2661 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
2663 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
2665 * pa.md (conditional moves): Avoid holes in operand list.
2666 (mod, umod patterns): Similarly.
2667 (variable extract/shift patterns): Similarly.
2669 2000-11-30 Neil Booth <neilb@earthling.net>
2671 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
2672 maybe_objc_check_decl, build_objc_string_object,
2673 objc_declare_alias, objc_declare_class, build_message_expr,
2674 build_protocol_expr, build_selector_expr, build_encode_expr,
2675 get_class_ivars, start_class, start_protocol): Remove
2676 redundant code, assuming doing_objc_thang is true.
2678 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2680 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
2681 (record_unscaled_index_insn_codes): Likewise.
2682 (unscaled_index_insn_codes): Delete.
2683 (max_unscaled_index_insn_codes_uid): Delete.
2684 (output_function_prologue, output_function_epilogue, pa_reorg):
2685 Don't use the unscaled index insn hack.
2687 * pa.md: Remove hack from all index insns to reverse the operand
2688 order of frame and stack pointer references incorrectly created
2691 * function.h (emit_status): Delete member regno_pointer_flag and
2692 rename regno_pointer_flag_length to regno_pointer_align_length.
2693 Delete define for REGNO_POINTER_FLAG.
2694 * integrate.h (inline_remap): Delete member regno_pointer_flag.
2695 Add member x_regno_reg_rtx.
2696 * rtl.h (rtx_def): Use frame_related bit to indicate register is
2697 a pointer in REG expressions. Define REG_POINTER macro.
2698 * alias.c (find_base_value, find_base_term): Use REG_POINTER
2699 instead of REGNO_POINTER_FLAG.
2700 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
2701 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
2702 of regno_pointer_flag_length. Remove code which refers to
2704 (mark_reg_pointer): Use REG_POINTER.
2705 (free_emit_status): Remove code which refers to regno_pointer_flag.
2706 (init_emit, mark_emit_status): Likewise.
2707 * flow.c (dump_flow_info): Likewise.
2708 * function.c (preserve_temp_slots): Likewise.
2709 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
2710 Use x_regno_reg_rtx instead of regno_pointer_flag for function
2711 pointer determination in map.
2712 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
2713 * predict.c (estimate_probability): Likewise.
2714 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
2715 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
2716 regno_pointer_flag for function pointer determination in map.
2717 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
2719 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
2721 (restore_unscaled_index_insn_codes): Revise comment.
2723 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
2725 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * extend.texi: Update documentation for attributes.
2729 2000-11-29 David O'Brien <obrien@FreeBSD.org>
2731 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
2732 (ASM_DECLARE_OBJECT_NAME): Same.
2733 (ASM_FILE_END): Same.
2734 (ASM_FINISH_DECLARE_OBJECT): Same.
2735 (ASM_IDENTIFY_GCC): Same.
2736 (ASM_IDENTIFY_LANGUAGE): Same.
2737 (ASM_OUTPUT_CONSTRUCTOR): Same.
2738 (ASM_OUTPUT_DEF): Same.
2739 (ASM_OUTPUT_DESTRUCTOR): Same.
2740 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
2741 (ASM_OUTPUT_SECTION_NAME): Same.
2742 (ASM_WEAKEN_LABEL): Same.
2743 (BSS_SECTION_ASM_OP): Same.
2744 (COMMON_ASM_OP): Same.
2745 (CONST_SECTION_ASM_OP): Same.
2746 (CONST_SECTION_FUNCTION): Same.
2747 (CTORS_SECTION_ASM_OP): Same.
2748 (DTORS_SECTION_ASM_OP): Same.
2750 (FINI_SECTION_ASM_OP): Same.
2751 (IDENT_ASM_OP): Same.
2752 (IDENT_ASM_OP): Same.
2753 (INIT_SECTION_ASM_OP): Same.
2755 (MAX_OFILE_ALIGNMENT): Same.
2756 (SBSS_SECTION_ASM_OP): Same.
2757 (SDATA_SECTION_ASM_OP): Same.
2758 (SECTION_FUNCTION_TEMPLATE): Same.
2759 (SELECT_SECTION): Same.
2760 (SE_CONST_SECTION): Same.
2761 (SIZE_ASM_OP): Same.
2762 (SKIP_ASM_OP): Same.
2763 (STRING_ASM_OP): Same.
2764 (STRING_LIMIT): Same.
2765 (TYPE_ASM_OP): Same.
2766 (TYPE_OPERAND_FMT): Same.
2768 2000-11-29 Neil Booth <neilb@earthling.net>
2770 * c-decl.c (c_decode_option): Don't handle -lang-objc.
2771 * objc/lang-options.h: Remove -lang-objc.
2772 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
2773 * objc/objc-act.c (lang_init_options): Set c_language.
2775 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2777 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
2780 2000-11-29 Neil Booth <neilb@earthling.net>
2782 * c-pragma.c (init_pragma): Update for parse_in type change.
2784 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
2786 * configure.in: recognize DOS-style absolute paths.
2788 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2790 * expr.h (store_by_pieces): Add prototype.
2791 (can_store_by_pieces): Likewise.
2792 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
2793 (can_store_by_pieces): New.
2794 (store_by_pieces): New.
2795 (clear_by_pieces): New.
2796 (clear_by_pieces_1): New.
2797 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
2798 arbitrary compiler generated constants into memory block.
2799 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
2800 * builtins.c (c_readstr): New.
2801 (builtin_memcpy_read_str): New.
2802 (expand_builtin_memcpy): If src is string constant and
2803 emit_block_move would move it by pieces, compute integer constants
2804 from the string and store it into memory block instead.
2805 (builtin_strncpy_read_str): New.
2806 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
2807 not return INTEGER_CST, don't optimize.
2808 If N is larger than strlen(src) + 1, try to copy the string
2809 including padding with store_by_pieces.
2810 (expand_builtin_strcmp): If both arguments have side effects, don't
2812 (expand_builtin_fputs): If STR has side effects, don't optimize.
2814 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
2816 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
2817 Add use of link register.
2819 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
2821 * extend.texi: Update documentation for default format attributes.
2823 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
2825 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
2826 a list, to keep track of the sections.
2828 2000-11-28 Nick Clifton <nickc@redhat.com>
2830 * config/arm/arm.md (pic_load_addr): Split into
2831 pic_load_addr_arm and pic_load_addr_thumb.
2833 * config/arm/arm.c (legitimize_pic_address): Generate either
2834 ARM or Thumb versions of pic_load_addr.
2835 (arm_finalize_pic): Generate either ARM or Thumb versions of
2838 2000-11-28 Richard Henderson <rth@redhat.com>
2840 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
2841 after sibcall do_pending_stack_adjust.
2843 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
2845 * jump.c (delete_insn): Check that REG_LABEL note actually contains
2848 2000-11-28 Neil Booth <neilb@earthling.net>
2850 * c-common.h: Remove flag_digraphs.
2851 * c-decl.c: Remove flag_digraphs.
2852 (c_decode_option): Don't set it.
2853 * c-lex.c (init_c_lex): Don't do anything for digraphs.
2855 2000-11-28 Richard Henderson <rth@redhat.com>
2857 * c-parse.in (finish_parse): Update for parse_in type change.
2860 2000-11-28 Neil Booth <neilb@earthling.net>
2862 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
2863 indicating whether to scan all buffers on the stack or
2865 * cppinit.c (do_includes): Update.
2866 * cppmain.c (main): Update.
2867 * cpplib.h: Update prototype.
2869 2000-11-28 Richard Henderson <rth@redhat.com>
2871 * genoutput.c (validate_insn_operands): New.
2872 (gen_insn): Call it.
2874 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
2875 (divmoddi_internal): Likewise.
2876 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
2877 * config/i960/i960.md (branch patterns): Likewise.
2878 * config/ia64/ia64.md (tbit_and_0): Likewise.
2879 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
2880 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
2881 * config/mips/mips.md (divmodsi4_internal): Likewise.
2882 (divmoddi4_internal): Likewise.
2883 * config/rs6000/rs6000.md (call patterns): Likewise.
2884 * config/sh/sh.md (movsi_y): Likewise.
2885 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
2887 2000-11-28 Richard Henderson <rth@redhat.com>
2889 * config.gcc: Kill residual pyramid support.
2891 2000-11-28 Neil Booth <neilb@earthling.net>
2893 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
2894 * c-decl.c (c_decode_option): Update to match.
2895 * c-lex.c (init_c_lex, yyparse): Update to match.
2896 * c-lang.c (lang_init_options): Use cpp_create_reader.
2897 * cppinit.c (cpp_init): Rename initialize.
2898 (cpp_reader_init): Rename cpp_create_reader. Create the
2899 reader. Initialize cpplib if appropriate.
2900 * cpplib.h (cpp_create_reader) New prototype.
2901 (cpp_init, cpp_reader_init): Delete prototypes.
2902 * cppmain.c (general_init, setup_callbacks): New functions.
2904 * fix-header.c (scan_in): Change type to cpp_reader *.
2905 (read_scan_file): Update for new cpplib interface and scan_in type.
2907 * cp/decl.c (parse_in): Change to cpp_reader *.
2908 (lang_decode_option): Update.
2909 * cp/lex.c (lang_init_options): Use new cpplib interface.
2910 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
2911 * cp/spew.c (read_token): Update.
2912 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
2914 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2916 * loop.c (load_mems): Avoid using next_label to find end_label. If
2917 jumping outside of the loop (other than loop end), don't hoist MEMs
2920 2000-11-28 Jan Hubicka <jh@suse.cz>
2922 * calls.c (expand_call): Don't disable tail recursion based
2925 2000-11-28 Neil Booth <neilb@earthling.net>
2927 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
2928 (struct directive): Drop 4th argument from handlers.
2929 (do_define, do_line, do_include, do_undef, do_else, do_elif,
2930 do_endif): Similarly.
2931 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
2932 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
2933 (make_definition, make_undef): Take a const char*.
2934 (make_assertion): New function.
2935 (struct directive_table): Update.
2936 (main): Handle -A command line argument.
2937 (handle_directive): Drop fourth handler argument.
2939 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
2941 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
2942 is anything but REG or MEM, but look inside STRICT_LOW_PART.
2944 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2946 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
2947 (IS_ABSOLUTE_PATHNAME): New macro.
2948 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
2950 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2952 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
2954 2000-11-27 Jim Wilson <wilson@redhat.com>
2956 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
2958 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
2960 * extend.texi (Nested Functions): Update URL of Usenix paper.
2962 2000-11-27 Mark Mitchell <mark@codesourcery.com>
2964 * function.c (free_after_compilation): Clear x_clobber_return_insn.
2966 2000-11-27 Neil Booth <neilb@earthling.net>
2968 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
2969 command line options.
2970 (cpp_handle_option): Similarly.
2971 * cpplib.h (struct cpp_options): Remove warn_paste.
2972 * cppmacro.c (paste_tokens): Apart from assembler, make
2973 unpasteable token warning mandatory.
2975 2000-11-27 Neil Booth <neilb@earthling.net>
2977 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
2978 (main): Allocate a pending directive set of these. Use it.
2979 Merge handling of -D and -U. Update handling of pending
2980 directives. Free the memory after use.
2982 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
2984 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
2985 (struct propagate_block_info): Add new member cond_local_set.
2986 (propagate_block): Accept new arg cond_local_set. All callers
2988 (init_propagate_block_info): Likewise.
2989 (calculate_global_regs_live): Allocate & free cond_local_set. Always
2990 rescan if there's overlap between cond_local_set and new_live_at_end.
2991 (mark_set_1): Set bits either in cond_local_set or local_set, as
2993 * basic-block.h (struct basic_block_def): New field cond_local_set.
2994 (propagate_block, init_propagate_block_info): Update prototypes.
2996 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
2998 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
3001 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
3003 * arm.c (select_dominance_cc_mode): Handle new way that combine
3004 canonicalizes conditional compares.
3005 (arm_select_cc_mode): Likewise.
3006 * arm.md: Garbage collect some dead code.
3007 (cmp_and, cmp_ior): New patterns.
3008 (splitter for conditional move with inverted false): Use cond_exec
3009 and handle unordered comparisons.
3011 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
3013 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
3014 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
3015 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
3016 ix86_force_to_memory and ix86_free_from_memory.
3018 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
3020 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
3021 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
3022 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
3023 one_cmpldi2): Merge with splitters to create define_insn_and_split
3024 patterns. Remove redundant splits.
3025 (peephole2 for add:SI of invalid immediate): New.
3026 (peephole2 for minus:SI of invalid immediate): New.
3027 (peephole2 for ior:SI of invalid immediate): New.
3028 (peephole for merge of move and compare): Convert ot peephole2.
3029 (addsf3, adddf3): Mark as commutative.
3031 * arm.md (thumb peephole for merging stack adjustments): Convert to
3034 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
3036 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
3038 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
3039 (reload_cse_simplify_operands): Do nothing about operands where both
3040 the operand and the match_operand fail to give us a mode.
3041 * simplify-rtx.c (wrap_constant): New function.
3042 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
3043 CONST describing the proper mode.
3044 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
3046 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
3047 htab_find_slot_with_hash.
3048 (cselib_lookup): Likewise.
3050 Based on a patch from Geoff Keating <geoffk@redhat.com>:
3051 * loop.c (basic_induction_var): If a REG is set from something
3052 that is not a biv, then the REG is not a biv. Even if it is
3053 earlier set from something that is a biv.
3055 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
3057 * configure.in (extra_objs): Enclose extra_headers in quotes.
3058 * configure: Rebuilt.
3060 2000-11-27 Neil Booth <neilb@earthling.net>
3062 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
3063 Combine into the new function cb_change_file.
3064 (init_c_lex): Update.
3065 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
3066 (cpp_syshdr_flags): Delete.
3067 * cpphash.h (_cpp_do_file_change): New prototype.
3068 Move struct cpp_buffer here from...
3069 * cpplib.h (struct cpp_buffer): ... here.
3070 (enum cpp_fc_reason, struct cpp_file_loc,
3071 struct_cpp_file_change, change_file): New.
3072 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
3073 * cpplib.c (do_line): Update for new cb_change_file callback.
3074 (_cpp_do_file_change): New function.
3075 (_cpp_pop_buffer): Update to use it.
3076 * cppmain.c (move_printer): Delete.
3077 (main): Set up single callback cb_change_file.
3078 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
3079 (cb_change_file): New.
3080 * fix-header.c (cur_file, cb_change_file): New.
3081 (recognized_function, read_scan_file): Update.
3082 * scan-decls.c (scan_decls): Update.
3083 * scan.h (recognized_function): Update prototype.
3085 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3087 * tree.h (mark_tree_hashtable): New function.
3088 * tree.c (mark_tree_hashtable_entry): New function.
3089 (mark_tree_hashtable): Likewise.
3091 2000-11-27 Michael Meissner <meissner@redhat.com>
3093 * d30v-protos.h (srelational_si_operator): Correctly spell
3095 (urelational_si_operator): Ditto.
3096 (relational_si_operator): Ditto.
3097 (d30v_expand_prologue): Add prototype.
3098 (d30v_expand_epilogue): Ditto.
3100 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
3102 * d30v.md (movcccc_*): Delete now unused patterns.
3103 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
3105 (define_cond_exec): Use 'b' to select branch flags.
3107 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3109 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
3111 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
3113 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
3115 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3116 strncpy and strncmp.
3118 * extend.texi (strncmp, strncpy): Document new builtins.
3120 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3122 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
3123 a list, to keep track of the sections.
3124 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
3125 parameter provided will always be a canonical string.
3127 2000-11-26 Neil Booth <neilb@earthling.net>
3129 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
3132 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
3134 * makefile.vms: Remove EGCS references.
3136 2000-11-26 Ulrich Drepper <drepper@redhat.com>
3138 * dwarf2out.c (output_file_names): New function. Compute minimal
3139 combination of directory and file name table and emit them.
3140 (output_line_info): Remove code to emit directory and file name
3141 table and call output_file_names instead.
3142 (file_info_cmp): Helper function to sort directory names.
3144 2000-11-26 Neil Booth <neilb@earthling.net>
3146 * cpplib.h (struct cpp_reader): Remove lang_asm.
3147 (struct cpp_options): Remove c89. New members lang,
3149 * cppexp.c (parse_number): Use them.
3150 * cpphash.h (VALID_SIGN): Use them.
3151 * cppinit.c (set_lang, cpp_start_read): Update.
3152 * cpplex.c (parse_string, _cpp_lex_token): Update.
3153 * cpplib.c (_cpp_handle_directive): Update.
3154 * cppmacro.c (parse_args): Update.
3155 * cppmain.c (scan_buffer): Update.
3157 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3159 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
3162 2000-11-26 Neil Booth <neilb@earthling.net>
3164 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
3165 * c-decl.c: Remove parse_in declaration.
3166 * c-lang.c: Similarly.
3167 * c-lex.c: Similarly.
3168 * c-parse.in: Similarly.
3169 * c-pragma.c: Similarly.
3170 * configure.in: Similarly.
3171 * cp/Make-lang.in: Similarly.
3172 * cp/spew.c: Similarly.
3173 * cp/decl2.c: Remove check for lang-c++ option.
3174 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
3175 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
3176 * c-lex.h: Add declaration of parse_in.
3177 * cppinit.c: Call set_lang after allocating pfile->pending.
3178 * configure: Regenerate.
3180 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
3182 * combine.c (try_combine): Remove redundant test.
3184 2000-11-25 Richard Henderson <rth@redhat.com>
3186 * c-common.h (DECL_C_HARD_REGISTER): New.
3187 * c-decl.c (finish_decl): Set it for asm register variables.
3188 * c-semantics.c (emit_local_var): Test it when instantiating one.
3190 2000-11-25 Richard Henderson <rth@redhat.com>
3192 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
3193 lineno for the start of the function.
3195 2000-11-25 Richard Henderson <rth@redhat.com>
3197 * dwarf2out.c (file_table, file_table_allocated): Remove.
3198 (file_table_allocated): Remove.
3199 (struct file_table): New.
3200 (decl_file_table, line_file_table): New.
3201 (print_dwarf_line_table): Use them.
3202 (size_of_line_prolog): Likewise.
3203 (output_line_info): Likewise.
3204 (add_src_coords_attributes): Likewise.
3205 (gen_subprogram_die): Likewise.
3206 (gen_variable_die): Likewise.
3207 (dwarf2out_add_library_unit_info): Likewise.
3208 (dwarf2out_line): Likewise.
3209 (lookup_filename): Take a struct file_table argument.
3210 (init_file_table): New.
3211 (dwarf2out_init): Use it.
3213 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
3215 * invoke.texi: Update sequence points references.
3217 2000-11-25 Neil Booth <neilb@earthling.net>
3219 * c-common.c: Remove USE_CPPLIB conditional inclusions.
3220 * c-common.h: Similarly.
3221 * c-decl.c: Similarly.
3222 * c-lang.c: Similarly.
3223 * c-lex.c: Similarly.
3224 * c-parse.in: Similarly.
3225 * c-pragma.c: Similarly.
3226 * c-pragma.h: Similarly.
3228 * toplev.c: Similarly.
3229 * cp/cp-tree.h: Similarly.
3230 * cp/decl2.c: Similarly.
3231 * cp/lang-specs.h: Similarly.
3232 * cp/lex.c: Similarly.
3233 * cp/lex.h: Similarly.
3234 * cp/spew.c: Similarly.
3235 * java/lang-options.h: Similarly.
3236 * objc/lang-specs.h: Similarly.
3237 * objc/objc-act.c: Similarly.
3239 * configure.in: Remove configure option.
3240 * config.in: Regenerate.
3241 * configure: Regenerate.
3243 2000-11-25 Richard Henderson <rth@redhat.com>
3245 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
3246 Revert 2000-11-22 change.
3248 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
3250 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
3253 2000-11-25 Philipp Thomas <pthomas@suse.de>
3254 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
3255 * configure: Rebuilt.
3257 2000-11-25 Jakub Jelinek <jakub@redhat.com>
3259 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
3260 Handle CONST_INT as second argument.
3261 * config/sparc/sparc.c (set_extends): Remove first argument.
3262 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
3264 (sparc_check_64): Abort if first argument is not REG.
3265 If it is DImode REG, look at the lower register of the register
3268 * config/sparc/sparc.c (load_pic_register, restore_regs,
3269 output_return, sparc_v8plus_shift, sparc_function_profiler,
3270 sparc_function_block_profiler, sparc_block_profiler): Fix output
3273 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
3275 * config/sh/sh.h (TARGET_NONE): New.
3276 (TARGET_SWITCHES): For all variant-selecting switch, use
3277 TARGET_NONE to reset all other variant-selecting switch. Added
3278 empty strings to avoid warnings.
3279 (TARGET_DEFAULT): Set to SH1_BIT.
3281 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
3284 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
3285 (sibcall_pcrel): New insn_and_split.
3286 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3288 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
3289 symPLT_label2reg, call, call_value): Don't set
3290 current_function_uses_pic_offset_table.
3291 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
3292 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
3293 takes it into account.
3294 (FINALIZE_PIC): Delete, useless.
3295 (LEGITIMATE_CONSTANT_P): Delete, unused.
3296 * config/sh/sh.c (sh_expand_prologue): Don't use
3297 current_function_uses_pic_offset_table. Don't special-case
3298 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
3300 (sh_expand_epilogue, initial_elimination_offset): Don't
3301 special case PIC_OFFSET_TABLE_REGNUM.
3303 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
3305 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
3306 * config/sh/sh.md (UNSPEC_CALLER): New constant.
3307 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
3308 (call_pcrel, call_value_pcrel): New insn_and_splits.
3309 (call, call_value): Use them.
3310 (call_site): New expand.
3311 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
3312 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
3313 Output call_site label.
3314 (PREDICATE_CODES): Added symbol_ref_operand.
3315 * config/sh/sh.c (symbol_ref_operand): Define.
3316 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
3317 to CALL_INSNs in the split sequence.
3319 2000-11-24 Nick Clifton <nickc@redhat.com>
3321 * config.gcc (v850-*-*): Define c_target_objs and
3324 * config/v850/t-v850: Define how to build v850-c.o
3326 * config/v850/v850.h (struct data_area_stack_element): Move
3327 definition here from v850.c.
3329 * config/v850v850.c: Include gcc.h to avoid compile time
3331 (push_data_area): Move to v850-c.c.
3332 (pop_data_area): Move to v850-c.c.
3333 (mark_current_function_as_interrupt): Move to v850-c.c.
3334 (GHS_default_section_names): Allow to be exported.
3335 (GHS_current_section_names): Allow to be exported.
3336 (data_area_stack_elements): Allow to be exported.
3337 (ghs_pragma_section): Move to v850-c.c.
3338 (ghs_pragma_interrupt): Move to v850-c.c.
3339 (ghs_pragma_starttda): Move to v850-c.c.
3340 (ghs_pragma_startsda): Move to v850-c.c.
3341 (ghs_pragma_startzda): Move to v850-c.c.
3342 (ghs_pragma_endtda): Move to v850-c.c.
3343 (ghs_pragma_endsda): Move to v850-c.c.
3344 (ghs_pragma_endzda): Move to v850-c.c.
3346 * config/v850/v850-c.c: New file: Contains v850 specific
3347 pragma parsing functions.
3349 2000-11-24 Nick Clifton <nickc@redhat.com>
3351 * config.gcc (extra_objs): Remove duplicate description.
3352 (c_target_objs): New variable. Contains target specific
3353 object files for the gcc C compiler only.
3354 (cxx_target_objs): New variable. Contains target specific
3355 object files for the gxx C++ compiler only.
3357 * configure.in (c_target_objs): Substitute in the makefile.
3358 (cxx_target_objs): Substitute in the makefile.
3359 * configure: Regenerate.
3361 * Makefile.in (C_TARGET_OBJS): Define and initialise from
3363 (CXX_TARGET_OBJS): Define and initialise from
3365 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
3367 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
3369 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
3370 about how the use of the 'c_lex' function requires the use of
3371 the target specific, language specific object files feature of
3372 the configuration mechanism.
3374 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3376 * gcc.c (process_command): Use F_OK, not R_OK.
3378 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
3380 * flow.c (print_rtl_and_abort): Remove ANSIism.
3382 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
3384 * config/sh/sh.h (GENERAL_REGISTER_P,
3385 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
3386 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
3388 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
3389 * config/sh/sh.c: Use new macros.
3390 * config/sh/sh.md: Likewise.
3392 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
3394 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
3395 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
3398 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
3400 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
3402 (machine_dependent_reorg): Wrong optimization based on
3403 NOTICE_UPDATE_CC removed.
3405 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
3407 * jump.c (delete_computation): Re-instate deletion of feeding insn.
3408 (delete_insn): Look for REG_LABEL notes.
3409 (redirect_tablejump): Delete feeding insns.
3411 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
3413 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
3414 call_value_pop_1): Make sure operand numbers are contiguous.
3416 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
3418 * reload1.c (conflicts_with_override): New function.
3419 (emit_input_reload_insns): Use it to tighten test for validity
3420 of substituting into output of previous insn.
3422 * haifa-sched.c (struct ready_list): New.
3423 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
3425 (schedule_insn): Replace args READY and N_READY with a pointer to a
3426 ready_list; return void. Use the new functions to access the ready
3427 list. All callers changed.
3428 (queue_to_ready, debug_ready_list): Likewise.
3429 (schedule_block): Initialize a ready_list structure. Use new
3430 functions to access it.
3431 (max_priority): Remove unused variable.
3432 (schedule_insn): Don't set it.
3434 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
3436 * combine.c (cant_combine_insn_p): New function.
3437 (try_combine): Use it.
3439 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
3440 * c-common.c (c-obstack.c): Include "obstack.h".
3441 (struct reverse_tree): Delete.
3442 (reverse_list, reverse_max_depth): Delete.
3443 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
3444 (struct tlist, struct tlist_cache): New.
3445 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
3446 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
3447 warn_for_collisions, warn_for_collisions_1, new_tlist): New
3449 (verify_sequence_points): Rewritten.
3450 * fold-const.c (fold): Don't lose possibly important sequence
3451 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
3453 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
3455 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
3456 when reversing a register-to-register copy. Reversal now disabled
3457 when the previous instruction has a REG_EQUIV.
3459 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
3461 * c-parse.in (unary_expr): Move VA_ARG from here ...
3462 (primary): ... to here.
3464 2000-11-23 Graham Stott <grahams@redhat.com>
3466 * expr.c (store_constructor): If a field is non addressable and
3467 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
3469 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
3471 * flow.c (print_rtl_and_abort): New function.
3472 (verify_wide_reg, verify_local_live_at_start): Try to dump more
3473 information before aborting.
3475 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
3477 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
3478 is narrower than requested mode.
3479 (gen_highpart): Abort if register mode is narrower than
3482 2000-11-23 Graham Stott <grahams@redhat.com>
3484 * cse.c (cse_insn): Initialise all regcost variables.
3485 Fix a typo add missing '='.
3486 Only compare costs if there is a replacement insn.
3488 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
3490 * final.c (output_addr_const) [LABEL_REF]: Simplify.
3491 [MINUS]: Enclose non-CONST_INTs in parentheses.
3492 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
3493 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
3494 * varasm.c (decode_rtx_const) [CONST]: If it's not something
3495 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
3496 instead of abort()ing.
3497 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
3498 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
3499 formerly handled in output_pic_addr_const.
3500 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
3501 operands of MINUS in CONSTs so that decode_rtx_const() will
3504 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
3506 * config/sh/sh.md (mova_const): New pattern.
3507 (GOTaddr2picreg): Use it.
3508 * config/sh/sh.c (broken_move): Match it.
3509 (mova_p): Don't match it.
3510 (machine_dependent_reorg): Adjust it.
3512 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
3514 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
3515 Moved most register-number #defines...
3516 * config/sh/sh.md (define_constants): ... here. Use macros to
3517 refer to registers and unspecs.
3518 * config/sh/sh.c: Likewise.
3520 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
3522 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
3523 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
3524 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3525 (splay-tree.o, hash.o): Likewise.
3527 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
3528 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3529 (hashtab.o): Likewise.
3530 (gcov.o): Depend on $(CONFIG_H).
3531 * configure.in: #include insn-codes.h in tm.h.
3533 2000-11-22 Nick Clifton <nickc@redhat.com>
3535 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
3536 const char * to avoid a compile time warning.
3538 * config/arm/arm.md (define_constants): Define symbolic names for
3539 the link register, last integer register and the fake CC register.
3540 Update patterns to use these symbolic names.
3542 2000-11-22 Neil Booth <neilb@earthling.net>
3544 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
3545 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
3547 2000-11-22 Richard Henderson <rth@redhat.com>
3549 * haifa-sched.c (sched_analyze_1): Don't special-case calls
3550 for clobbering registers.
3551 (sched_analyze_2): Likewise.
3552 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
3554 2000-11-22 Chris Demetriou <cgd@sibyte.com>
3555 Neil Booth <neilb@earthling.net>
3557 * gcc.c (validate_switches): Validate multiple switches named
3558 in '|' (or) expressions in specs.
3559 (handle_braces): If more than 1 alternative in a '|' spec
3560 matches, call do_spec1 just once.
3562 2000-11-22 Michael Meissner <meissner@redhat.com>
3564 * d30v.h (TARGET_SWITCHES): Add documentation strings.
3565 (TARGET_OPTIONS): Ditto.
3566 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
3569 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
3571 * pa.c (hppa_encode_label): Account for addition of encoding
3572 character when allocating persistent space for the new label
3575 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
3577 * Makefile.in, config.gcc, configure.in: Expunge remaining
3578 traces of facility for running MD files through C preprocessor.
3580 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
3582 * gcov.texi: Add magic comments for texi2pod.pl.
3583 * Makefile.in: Add rules to generate and install gcov.1.
3584 * gcov.1: New (generated) file.
3586 2000-11-21 Richard Henderson <rth@redhat.com>
3588 * regrename.c (scan_rtx_reg): Terminate the chain rather than
3589 abort on mark_read with NO_REGS.
3591 2000-11-21 Mike Stump <mrs@wrs.com>
3593 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
3594 compilation with older compilers, such as /bin/cc on SunOS.
3595 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
3597 2000-11-21 Richard Henderson <rth@redhat.com>
3599 * varasm.c (record_constant): Pad the constructed
3600 constant_descriptor appropriately.
3602 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
3604 * rtl.h (traverse_md_constants): Declare.
3605 (struct md_constant): Define.
3606 * Makefile.in (HOST_RTL): Add hashtab.o .
3607 (OBJS): Add hashtab.o .
3608 (hashtab.o): New rule.
3609 (rtl.o): Depends on HASHTAB_H.
3610 * rtl.c (hashtab.h): #include.
3611 (md_constants): New static variable.
3612 (def_hash, def_name_eq_p, read_constants): New static functions.
3613 (traverse_md_constants): New function.
3614 (read_name): Do constant expansion.
3615 (read_rtx): Recognize define_constants.
3616 * gencodes.c (print_md_constant): New function.
3617 (main): Emit #defines for all constant definitions encountered.
3618 * md.texi (Constant Definitions): New node.
3619 * gensupport.c (xcalloc): New function.
3621 2000-11-21 Richard Henderson <rth@redhat.com>
3623 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
3624 * config/alpha/alpha-protos.h: Declare it.
3625 * config/alpha/alpha.md (abstf_internal): Use it.
3626 (negtf_internal): Likewise.
3627 (andnotdi3): Unstar the name.
3628 (movtf_internal): Add o/G alternative.
3630 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
3632 * stringpool.c (stringpool_statistics): Also report number and
3633 percentage of entries which are identifiers.
3635 2000-11-21 Diego Novillo <dnovillo@redhat.com>
3637 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
3638 visited before visiting it.
3640 2000-11-21 Nick Clifton <nickc@redhat.com>
3642 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
3643 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
3645 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
3647 2000-11-21 Richard Henderson <rth@redhat.com>
3649 * c-common.c (c_unsafe_for_reeval): New function.
3650 (add_c_tree_codes): Register it.
3651 * c-common.h: Declare it.
3652 * tree.c (lang_unsafe_for_reeval): New hook.
3653 (unsafe_for_reeval): Call it.
3654 * tree.h: Declare it.
3656 2000-11-21 Richard Henderson <rth@redhat.com>
3658 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
3661 2000-11-21 Neil Booth <neilb@earthling.net>
3663 * do_includes: Revert to using cpp_read_file.
3665 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
3667 * loop.c (consec_sets_giv): If the reg we're examining is anything
3668 but UNKNOWN_INDUCT, do nothing.
3669 Reset the reg's type to UNKNOWN_INDUCT before returning.
3671 Mostly from Vladimir Makarov (vmakarov@redhat.com)
3672 * ia64.md (attr itanium_class): Define insn types as described in
3674 (all insn patterns): Use itanium_class, not type attributes.
3675 Occasionally split alternatives as necessary.
3676 (attr type): Compute from new attr itanium_class.
3678 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3680 * tradcpp.c (output_line_command): Mark system headers as such in
3683 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3685 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
3686 support in as as well.
3687 * configure: Regenerate.
3689 2000-11-20 Richard Henderson <rth@redhat.com>
3691 * c-lex.c (orig_filename): New variable.
3692 (init_c_lex): Set it. Move call to cpp_start_read ...
3693 (yyparse): ... here. New function.
3694 * c-parse.in (yyparse_1): Rename the parser entry point.
3695 * c-tree.h: Declare it.
3697 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3699 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
3700 integer constant, use type of op1 for comparison.
3702 2000-11-20 Stan Shebs <shebs@apple.com>
3704 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
3705 * config/rs6000/x-darwin: New file, Darwin host fragment.
3706 * config.gcc (powerpc-*-darwin*): New host.
3707 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
3708 overridden by a config file.
3710 2000-11-20 Neil Booth <neilb@earthling.net>
3712 * cppmacro.c (paste_tokens): Rename from paste_payloads.
3713 Change token type after pasting spellings.
3714 (paste_all_tokens): Use it.
3715 * gcc.dg/cpp/paste2.c: Update test.
3716 * objc/execute/paste.m: New test.
3718 2000-11-20 Richard Henderson <rth@redhat.com>
3720 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
3721 dwarf_subscr_data_formats bits.
3722 * dwarfout.c (simple_type_size_in_bits): Handle a type with
3723 no computed size as size zero.
3724 (field_byte_offset): Likewise.
3725 (subscript_data_attribute): Handle a range with no upper bound.
3727 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3729 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
3731 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3733 * c-typeck.c (build_conditional_expr): When merging type
3734 qualifiers for conditional expressions between a pointer and a
3735 pointer to a void type, merge the qualifiers on the target types
3736 rather than the pointer type. Remove obsolete conditioned out
3739 2000-11-20 Neil Booth <neilb@earthling.net>
3741 * c-lang.c (lang_init_options): Update call to
3743 * cppmain.c (main): Similarly.
3744 * fix-header.c (read_scan_file): Similarly.
3745 * cp/lex.c (lang_init_options): Similarly.
3746 * objc/objc-act.c (lang_init_options): Similarly.
3747 * cppexp.c (parse_number): Only warn for unextended C89.
3748 * cppinit.c (set_lang): New function.
3749 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
3750 (COMMAND_LINE_OPTIONS): New option std=c++98.
3751 (cpp_handle_option): Use set_lang.
3752 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
3753 * cppib.h (enum_c_lang): New enumeration. Update comments.
3755 2000-11-20 Will Cohen <wcohen@redhat.com>
3757 * calls.c (expand_call): Clear target only when target is in
3758 hard register and current_function_check_memory_usage is set.
3760 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
3762 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
3764 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
3766 2000-11-19 Richard Henderson <rth@redhat.com>
3768 * crtstuff.c (force_to_data): Use array size 1 not 0.
3770 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
3771 no computed size as size zero.
3772 (field_byte_offset): Likewise.
3774 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3776 * config.gcc: Fix another typo.
3778 2000-11-19 Richard Henderson <rth@redhat.com>
3780 * c-decl.c (grokdeclarator): Support flexible array members.
3781 Use open-ended ranges for these and zero-length arrays.
3782 * c-typeck.c (push_init_level): Validate the context of
3783 initialization of a zero-length array.
3784 * tree.c (int_fits_type_p): Be prepared for missing bounds.
3785 * varasm.c (array_size_for_constructor): New.
3786 (output_constructor): Use it for arrays of unspecified length.
3787 * extend.texi (Zero Length): Mention C99 flexible array members.
3788 Document initialization in a top-level struct as valid.
3790 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
3792 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
3794 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
3795 stdarg and varargs functions.
3797 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
3799 * gcc.c (process_command): Define 'j' variable when
3800 MODIFY_TARGET_NAME is defined.
3802 2000-11-19 Richard Henderson <rth@redhat.com>
3804 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
3806 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3808 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
3809 calculation and allocation.
3811 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3813 * builtins.c (c_getstr): Constify variable.
3814 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
3815 * conflict.c (const_conflict_graph_arc): New typedef.
3816 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
3817 * cppmacro.c (builtin_macro): Likewise.
3818 * dwarf2out.c (output_comp_unit): Constify variable.
3819 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
3820 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
3821 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
3823 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
3824 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
3825 * varasm.c (const_str_htab_hash, const_str_htab_eq,
3826 compare_constant_1, record_constant_1): Constify.
3828 2000-11-18 Richard Henderson <rth@redhat.com>
3830 * c-decl.c (grokdeclarator): Special case the creation of an
3831 index for a zero-length array.
3832 * tree.c (build_index_type): Revert Oct 20 change.
3834 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
3836 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
3837 * config/avr/avr.c (jump_tables_size): New variable.
3838 (function_prologue): Initialize it as 0.
3839 (function_epilogue): Add it to function_size.
3840 (avr_output_addr_vec_elt): New function. Count words in jump
3841 tables in jump_tables_size. Move code ...
3842 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
3843 Call avr_output_addr_vec_elt instead.
3844 * config/avr/avr.md (tablejump): Remove disabled define_expand.
3846 2000-11-18 Mark Mitchell <mark@codesourcery.com>
3848 * configure.in: Make --enable-new-gxx-abi the default.
3849 * configure: Likewise.
3851 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3853 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
3855 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
3856 Move extern function declarations to tradcpp.h.
3858 * tradcpp.c: Likewise.
3860 * tradcpp.h: New file.
3862 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
3864 * c-decl.c (check_for_loop_decls): New function.
3865 * c-parse.in (for_init_stmt): New.
3866 (select_or_iter_stmt): Use for_init_stmt.
3867 * c-tree.h (check_for_loop_decls): New declaration.
3869 2000-11-18 Neil Booth <neilb@earthling.net>
3871 * cppinit.c: Update comments.
3872 (cpp_reader_init): Make -imacro and -include use the standard
3873 #include "" search path.
3874 (do_includes): New function.
3876 2000-11-18 Ben Elliston <bje@redhat.com>
3878 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
3879 out of a branch delay slot.
3881 2000-11-17 Richard Henderson <rth@redhat.com>
3883 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3884 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
3885 (ASM_FILE_START): Only write out ecoff .file directive if
3886 emitting mdebug debugging.
3888 2000-11-17 Richard Henderson <rth@redhat.com>
3890 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
3891 whether as accepts .file/.loc and produces dwarf2 line info.
3892 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
3893 the assembler supports it.
3894 * config.in, configure: Regenerate.
3896 2000-11-17 Richard Henderson <rth@redhat.com>
3898 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
3900 2000-11-17 Jim Wilson <wilson@redhat.com>
3902 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
3903 Don't clear need_barrier is next_insn is a CALL_INSN, or has
3904 instruction type B or UNKNOWN.
3906 2000-11-17 Neil Booth <neilb@earthling.net>
3908 * cpperror.c (print_file_and_line): Don't display line number if 0.
3910 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
3912 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
3913 digit_vector and digit_string.
3914 * stringpool.c (digit_vector): New.
3915 (ggc_alloc_string): Use digit_string.
3917 * stmt.c (digit_strings): Delete.
3918 (init_stmt): Do not initialize digit_strings.
3919 (expand_asm_operands): Use ggc.h's digit_string macro.
3920 * toplev.c (mark_file_stack): Delete.
3921 (compile_file): Don't call init_tree_codes.
3922 (main): No need to make the file stack a GC root.
3923 * tree.c (init_tree_codes): Delete.
3924 * tree.h (init_tree_codes): Delete.
3926 * c-lex.c: Don't include ggc.h.
3927 (mark_splay_tree_node, mark_splay_tree): Delete.
3928 (init_c_lex): No need to ggc_strdup string constant. Don't add
3929 file_info_tree to GGC roots.
3930 (cb_enter_file, cb_rename_file): No need to ggc_strdup
3933 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
3935 * dbxout.c (dbxout_init),
3936 dwarf2out.c (dwarf2out_line),
3937 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
3938 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
3939 xcoffout.c (xcoffout_source_file),
3940 i386.c (load_pic_register):
3941 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
3943 * except.c (create_rethrow_ref),
3944 profile.c (init_edge_profiler),
3945 toplev.c (compile_file),
3946 varasm.c (named_section, assemble_static_space,
3947 assemble_trampoline_template, output_constant_def, force_const_mem),
3948 i386.c (load_pic_register),
3949 ia64.c (ia64_encode_section_info),
3950 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
3951 rs6000_emit_prologue, rs6000_emit_epilogue),
3952 rs6000.md (load_toc_aix_si, load_toc_aix_di):
3953 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
3955 * profile.c (output_func_start_profiler),
3957 i386.c (load_pic_register): No need to ggc_strdup string constant.
3959 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
3961 * Makefile.in (config.status): Depend on config.gcc.
3962 * configure.in <for machine in $build $host $target>: Move
3963 contents of loop into config.gcc, removing autoconf quoting.
3964 Fix changequote bug for alpha*-*-vxworks*.
3965 * configure: Regenerate.
3968 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3970 * c-parse.in (if_prefix): Find the filename and line number at
3971 $-2 and $-1 respectively.
3972 * diagnostic.c (error_recursion): Add missing newline, use
3973 fputs, translate string.
3975 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3977 * stringpool.c: New file.
3978 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
3979 (ggc_alloc_string): Now in stringpool.o.
3980 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
3981 * ggc.h: Delete prototype of ggc_add_string_root. #define
3982 ggc_add_string_root and ggc_mark_string to nothing. Prototype
3983 init_stringpool and stringpool_statistics.
3984 (ggc_alloc_string): Returns a const char *.
3985 * tree.c (hash_table, do_identifier_warnings): Delete.
3986 (init_obstacks): Don't initialize the identifier hash table.
3987 (get_identifier, maybe_get_identifier, start_identifier_warnings,
3988 set_identifier_size): Now in stringpool.c.
3989 * tree.h (struct tree_string): Constify pointer field.
3990 (approx_sqrt): Prototype.
3992 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
3994 * toplev.c (approx_sqrt): New function.
3995 (compile_file): Call stringpool_statistics if mem_report is on.
3996 (main): Call init_stringpool.
3998 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
3999 (process_directive), c-typeck.c (constructor_asmspec, struct
4000 initializer_stack, start_init), except.c (create_rethrow_ref),
4001 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
4002 (built_in_filename), varasm,c (in_named_name,
4003 assemble_static_space, struct constant_descriptor, struct
4004 deferred_string, struct pool_constant, force_const_mem),
4005 i386.c (pic_label_name, global_offset_table_name), rs6000.c
4006 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
4008 * c-common.c (combine_strings): Combine strings in scratch
4009 buffer, then pass to build_string.
4010 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
4011 output_func_start_profiler), stmt.c (init_stmt), alpha.c
4012 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
4013 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
4014 rs6000.c (rs6000_encode_section_info): Create string in
4015 scratch buffer, then pass to ggc_alloc_string.
4017 * stmt.c (expand_asm_operands): If we must adjust the
4018 constraint strings, do so by creating a new one, not by
4019 modifying the old one in place. Constify some char *s.
4020 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
4021 argument. Create string in scratch buffer, then pass to
4023 * config/pa/pa-protos.h: Update prototype.
4024 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
4025 hppa_encode_label takes only one argument.
4027 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4029 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
4032 * cpplib.c (glue_header_name): Likewise.
4034 * fixincl.c (run_compiles, start_fixer): Likewise.
4036 * fixlib.c (load_file_data): Likewise.
4038 * mkdeps.c (munge): Likewise.
4040 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
4042 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
4043 trailing ';'. Fix formatting.
4045 2000-11-16 Jim Wilson <wilson@redhat.com>
4047 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
4048 Shift masks left by one to avoid conflict.
4050 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
4053 2000-11-16 Nick Clifton <nickc@redhat.com>
4055 * config/arm/arm.c (output_arm_prologue): Note nested functions.
4056 (arm_expand_prologue): For nested functions preserve the
4057 static chain register during stack frame creation.
4059 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
4060 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
4061 with a stack frame there is a 4 byte gap between the arg
4062 pointer and the hard frame pointer (used to preserve the
4063 static chain register during stack frame creation).
4065 2000-11-16 DJ Delorie <dj@redhat.com>
4067 * rtl.c (read_rtx): Provide suitable names for unnamed
4068 define_insn and define_insn_and_split patterns, based on file
4071 2000-11-15 Neil Booth <neilb@earthling.net>
4073 * cpplib.c (start_directive, end_directive): New functions.
4074 (_cpp_handle_directive, run_directive): Use them.
4075 (_cpp_handle_directive): Don't -Wtraditional on indented
4077 (_cpp_push_buffer): Don't re-clear was_skipping.
4078 * cpplib.h (struct cpp_reader): New member la_saved.
4079 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
4082 gcc.dg/cpp/_Pragma1.c: Update.
4083 gcc.dg/cpp/_Pragma2.c: New test.
4085 2000-11-15 Mark Mitchell <mark@codesourcery.com>
4087 * toplev.c (wrapup_global_declarations): Don't write out
4088 artificial static variables that aren't needed.
4090 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
4092 * ia64.c (struct group): New structure.
4093 (last_group): New static array.
4094 (group_idx): New static variable.
4095 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
4096 New static functions.
4097 (emit_insn_group_barriers): Initialize and keep track of group_idx
4099 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
4100 Replace all calls to emit_insn_after that emit a group barrier to use
4101 emit_group_barrier_after.
4102 * ia64.h (MASK_B_STEP): New.
4103 (other MASK_XXX macros): Renumbered.
4104 (TARGET_B_STEP): New.
4105 (TARGET_SWITCHES): Add -mb-step.
4107 2000-11-15 Fred Fish <fnf@be.com>
4109 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
4110 machines for which fixincludes is not needed.
4111 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
4113 2000-11-15 Jason Merrill <jason@redhat.com>
4115 * diagnostic.c (finish_abort): New fn.
4116 (fancy_abort, error_recursion): Use it.
4117 * toplev.c (crash_signal): Likewise.
4118 * diagnostic.h: Declare it.
4120 2000-11-13 Andrew Haley <aph@redhat.com>
4122 * tree.c (build_type_no_quals): New function.
4123 * tree.h (build_type_no_quals): Declare.
4124 * c-common.c (c_get_alias_set): When considering type
4125 compatibility for pointer types, ignore cv-qualifiers anywhere in
4128 2000-11-15 Graham Stott <grahams@redhat.com>
4130 * regrename.c (scan_rtx_rtx): Skip to the next chain on
4131 encountering a terminated chain.
4133 2000-11-14 Mark Mitchell <mark@codesourcery.com>
4135 * configure.in: Move check for V3 above check for C++ header-file
4137 * configure: Regenerated.
4139 2000-11-14 DJ Delorie <dj@redhat.com>
4141 * config/v850/v850.c: Remove obstacks.
4143 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
4145 * config/avr/avr.c (avr_case_values_threshold): New.
4146 (avr_override_options): Set it depending on options, make it large
4147 when not optimizing to work around "unable to generate reloads".
4149 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
4150 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
4151 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
4152 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
4153 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
4154 (avr_case_values_threshold): Declare as extern int.
4155 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
4157 * config/avr/avr.md (tablejump): Removed.
4158 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
4159 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
4160 index in the table, not multiplied by 2.
4161 (casesi): Change to match the above insns. Always enable.
4163 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
4164 Change to expect the word address of the table, multiply it by 2
4165 here and not in the caller. Change "adiw" to faster "inc".
4167 2000-11-14 Neil Booth <neilb@earthling.net>
4169 * cppexp.c (parse_defined): Call cpp_get_token not
4172 * cpplex.c (cpp_output_line): Similarly.
4173 * cpplib.c (glue_header_name, do_line, do_ident,
4174 parse_answer, parse_assertion): Similarly.
4175 (_cpp_handle_diretive): Don't save to lookaheads
4176 when processing directives.
4177 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
4179 (funlike_invocation_p): Don't save to lookaheads
4180 when pre-expanding arguments.
4181 (_cpp_get_token): Delete.
4182 (cpp_get_token): Merge contents of _cpp_get_token.
4184 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4186 * builtins.c (expand_builtin_setjmp): Set
4187 current_function_calls_setjmp.
4188 (expand_builtin_longjmp): Set current_function_calls_longjmp.
4190 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
4191 (do_builtin_setjmp_setup): New insn.
4193 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4195 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
4196 (int_fits_type_p): For variable bounds, call force_fit_type.
4198 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4200 * varasm.c (struct deferred_string): New structure.
4201 (const_str_htab): New variable.
4202 (STRHASH): New macro.
4203 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
4204 constr_str_htab_eq, const_str_htab_del): New functions.
4205 (output_constant_def): Add DEFER argument, defer string
4206 constants until mark_constant_pool time if requested.
4207 (mark_constant_pool): Walk the insn chain even if const_str_htab is
4209 (mark_constants): If a SYMBOL_REF for deferred string is found,
4210 output it and remove from hash table.
4211 (output_addressed_constants): Set DEFER to 0 in call to
4212 output_constant_def.
4213 * rtl.h (STRING_POOL_ADDRESS_P): Define.
4214 (output_constant_def): Adjust prototype.
4215 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
4217 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
4219 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
4220 signed types if flag_trapv.
4222 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
4224 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
4227 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
4229 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
4231 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4233 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
4234 to array of pool_constnat pointers.
4235 (struct pool_constant): Add next_sym and label members.
4236 (struct pool_sym): Remove.
4237 (init_varasm_status): Change pool_sym into pool_constant.
4238 (mark_pool_constant): Mark pc->label string as well.
4239 (mark_pool_sym_hash_table): Remove.
4240 (mark_varasm_status): Remove it from caller as well.
4241 (free_varasm_status): Don't free pool_sym structures.
4242 (force_const_mem): Don't allocate pool_sym structure, instead
4243 fill pool->label and chain it into rtx_sym hash table.
4244 (find_pool_constant, mark_constant_pool): Use pool_constant instead
4247 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4249 * reload1.c (emit_input_reload_insns): Honour forcing of constants
4250 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
4252 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
4254 * dominance.c: New file.
4255 * Makefile.in (OBJS): Add dominance.o.
4257 * flow.c (compute_flow_dominators): Remove.
4258 (compute_immediate_dominators): Remove.
4259 (compute_immediate_postdominators): Remove.
4260 * basic-block.h: Remove their prototypes.
4261 (calculate_dominance_info): Add prototype.
4263 * dce.c (eliminate_dead_code): Change calls to above functions.
4264 Don't compute dominators but only immediate dominators.
4265 * flow.c (flow_loops_find): Change callers.
4266 * gcse.c (compute_code_hoist_data): Likewise.
4267 * haifa-sched.c (schedule_insns): Likewise.
4268 * ifcvt.c (if_convert): Likewise.
4269 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
4272 2000-11-14 Richard Henderson <rth@redhat.com>
4274 * stmt.c (warn_if_unused_value): Don't warn if the expression
4277 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
4278 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
4280 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4282 * loop.c (basic_induction_var): Revert accidental checkin.
4284 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
4286 * c-lex.c (cb_leave_file): Harmonize conditions and order of
4287 statements to those of process_directive for (action == act_pop).
4289 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
4291 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
4294 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4296 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
4299 2000-11-13 Neil Booth <neilb@earthling.net>
4301 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
4302 cases return without MI check.
4303 * cpplib.c (do_diagnostic): Take boolean of whether to
4304 print the directive name.
4305 (do_error, do_warning): Update.
4306 (do_pragma_dependency): Use it.
4307 * cpplib.h (VARARGS_FIRST): Delete.
4308 (struct cpp_token): Delete integer.
4309 * cppmacro.c (enter_macro_context): Move disabled check
4311 (_cpp_get_token): Simplify into a single loop.
4313 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4315 * configure.in: Use 'test -f' not '[ -e'.
4316 * configure: Regenerated.
4318 2000-11-13 DJ Delorie <dj@redhat.com>
4320 * config/mn10300/mn10300.md (store_movm): Note which registers are
4321 really used or clobbered.
4323 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4325 * c-parse.in (ends_in_label): Remove from %union and %type.
4326 (decls, stmts, lineno_stmt_or_labels, xstmts,
4327 lineno_stmt_or_label, stmt_or_label): Remove.
4328 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
4329 lineno_stmt_decl_or_labels_ending_decl,
4330 lineno_stmt_decl_or_labels_ending_label,
4331 lineno_stmt_decl_or_labels_ending_error,
4332 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
4333 lineno_stmt, lineno_label): New.
4334 (compstmt_nostart): Use compstmt_contents_nonempty.
4336 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4338 * c-common.c (boolean_increment): New function.
4339 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
4340 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
4341 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
4342 (boolean_increment): Declare.
4343 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
4344 * c-decl.c (init_decl_processing): Create boolean nodes.
4345 (finish_struct): Allow for _Bool bitfields.
4346 * c-parse.in (reswords): Add _Bool.
4347 (rid_to_yy): Allow for RID_BOOL.
4348 * c-typeck.c (default_conversion): Make booleans promote to int.
4349 (convert_arguments, build_unary_op, build_modify_expr,
4350 convert_for_assignment): Allow for booleans.
4351 * ginclude/stdbool.h: Make conforming to C99.
4353 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4355 * c-parse.in (c99_block_start, c99_block_end,
4356 c99_block_lineno_labeled_stmt): New.
4357 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
4358 (stmt): Split off selection and iteration statements into...
4359 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
4361 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4363 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
4366 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4368 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
4369 Rewrite to avoid use of match_dup. Don't try to tie registers that
4370 are not in the same mode.
4372 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4374 * invoke.texi: Update lists of languages and suffixes supported.
4376 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4378 * configure.in: Take toplevel configure arguments from the
4379 environment to create configargs.h and substitute
4380 gcc_config_arguments, taking account of any existing configargs.h
4382 * configure: Regenerate.
4383 * gccbug.in: Include toplevel configure arguments in gccbug.
4385 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4387 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
4388 union to make it well-aligned. Update all uses.
4390 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4392 * c-parse.in (initelt): Give appropriate pedantic warnings,
4393 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
4395 (designator): If pedantic, pedwarn for a designator specifying a
4397 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
4399 * extend.texi: Document the C99 syntax as the preferred syntax,
4400 and the pre-2.5 syntax as obsolete. Mention use of designator
4401 lists for nested subobjects.
4403 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4405 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
4406 Add ATTRIBUTE_PRINTF.
4407 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
4408 Add ATTRIBUTE_PRINTF*.
4410 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4412 * function.c (assign_parms): When calling put_var_into_stack, make
4413 sure that there are no hidden pending sequences.
4415 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4417 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
4418 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
4421 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
4423 * c-common.c (c_common_nodes_and_builtins): Declare index and
4424 rindex when nonansi builtins are allowed.
4426 * extend.texi (index, rindex): Document new builtins.
4428 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4430 * configure.in: Turn on libstdc++ V3 by default.
4431 * configure: Regenerated.
4433 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
4435 2000-11-12 Jakub Jelinek <jakub@redhat.com>
4437 * reload1.c (set_label_offsets): Go inside of PARALLELs.
4439 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
4441 * invoke.texi: Clean up option summary.
4443 2000-11-12 Nick Clifton <nickc@redhat.com>
4445 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
4446 of #include headers.
4448 2000-11-12 Marc Espie <espie@openbsd.org>
4450 * configure.in: Fix filds test.
4453 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4455 * jump.c (delete_computation): Don't assume that just becuase an
4456 instruction sets a register, that register is dead.
4458 2000-11-12 Neil Booth <neilb@earthling.net>
4460 * cppexp.c: Don't worry about pfile->skipping.
4461 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
4462 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
4463 for handled directives.
4464 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
4465 and releasing lookaheads.
4466 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
4467 (do_else, do_elif, push_conditional): Update logic.
4468 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
4469 (unwind_if_stack): Inline into cpp_pop_buffer.
4470 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
4471 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
4472 multiple-include optimisation.
4473 * cpplib.h (struct cpp_buffer): New member was_skipping.
4474 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
4475 works because skipping == 0 in directives.
4476 (_cpp_release_lookahead): Renamed from release_lookahead.
4477 (cpp_get_token): No need to check skipping as _cpp_get_token does
4478 this for us. No need to handle MI optimisation.
4480 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
4482 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
4483 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
4484 * fixinc/fixincl.x: Regenerated.
4486 2000-11-11 Bruce Korb <bkorb@gnu.org>
4488 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
4489 (avoid_wchar_t_type): ditto
4490 * fixinc/fixinc.irix: obsoleted
4492 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
4494 * configure.in: Don't add $outputs to all_lang_makefiles. Add
4495 $srcdir/$s/Makefile.in if it exists.
4496 * configure: Regenerate.
4498 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
4500 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
4502 2000-11-11 Jason Merrill <jason@redhat.com>
4504 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
4505 give the parm a register and then call put_var_into_stack.
4506 * stmt.c (expand_decl): Likewise.
4508 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4510 * gcc.texi: Adjust wording.
4512 2000-11-11 Mark Mitchell <mark@codesourcery.com>
4514 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
4515 * fininc/fixincl.x: Regenerated.
4517 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4519 * invoke.texi: Correct spelling of -foptimize-register-move.
4521 2000-11-11 Neil Booth <neilb@earthling.net>
4523 Remove CPP_PLACEMARKERs.
4525 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
4526 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
4527 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
4529 * cpplib.h: Remove CPP_PLACEMARKER.
4530 (struct lexer_state): Rename skip_newlines to next_bol.
4531 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
4532 Simplify prev_white handling as a result.
4533 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
4534 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
4535 (parse_args): Similarly. Update argument count tests.
4536 (enter_macro_context): Return 2 to indicate an empty macro.
4537 (replace_args): Don't bother pre-expanding an empty argument.
4538 Handle placemarkers and ## extension during pre-expansion.
4539 (cpp_get_token): Handle empty macro expansions. Don't worry
4540 about CPP_PLACEMARKERs.
4541 (_cpp_create_definition): Empty macros are now empty.
4542 (cpp_macro_defintion): Don't special case empty macros.
4543 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
4544 * c-lex.c: Similarly.
4546 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4548 * gcc.texi, invoke.texi: Add new section discussing language
4549 standards; link to it where appropriate; refer to ISO C instead of
4552 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
4554 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
4557 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
4560 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4562 * gcc.texi, gcov.texi: Update dates and version numbers.
4564 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
4566 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
4567 flex and bison, specifically, first in a unified build and
4568 then installed on the system.
4569 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
4570 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
4573 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
4574 cppdefault.o): Remove pointless sed munging of source file
4577 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
4579 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
4580 for address reloads. Push replacements for REG_INC notes.
4581 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
4583 * reload1.c (choose_reload_regs): Registers set in the insn can't be
4584 used for RELOAD_OTHER reloads.
4586 2000-11-10 Mark Mitchell <mark@codesourcery.com>
4588 * c-dump.h: New file.
4590 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4592 * alpha.c (check_float_value): Use memcpy, not bcopy.
4593 * arm.c (output_move_double): Likewise.
4595 * m88k.c (legitimize_operand): Likewise.
4596 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
4597 * m88k.md: Likewise.
4598 * mips.c (override_options): Likewise.
4599 * mips.md: Likewise.
4600 * romp.c (output_fpops): Likewise.
4601 * rs6000.c (rs6000_override_options): Likewise.
4603 * vax.c (check_float_value): Likewise.
4605 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
4606 * expmed.c (synth_mult): Likewise.
4607 * final.c (add_bb_string): Likewise.
4608 * genattr.c (main): Likewise.
4609 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
4611 * jump.c (thread_jumps): Likewise.
4612 * prefix.c (save_string): Likewise.
4613 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
4614 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
4615 * reload1.c (reload, eliminate_regs): Likewise.
4617 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4619 * gcc.texi (Service): Update to reflect current practice and
4620 location of the GNU service directory.
4622 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
4624 * regrename.c (build_def_use): Mark contents of REG_INC notes as
4625 needing replacement.
4627 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
4628 a no-op move if regs are equal.
4629 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
4630 when calling jump after post-reload splitting.
4632 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
4634 * c-tree.texi: Fix typos.
4635 * extend.texi: Likewise
4636 * gcov.texi: Likewise
4637 * rtl.texi: Likewise
4640 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
4642 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
4643 in_system_header and flags[1] before dereferencing flags[2].
4645 2000-11-09 Matthew Hiller <hiller@redhat.com>
4647 * reload1.c (reload_combine): Fixed calculation of
4648 first_index_reg, last_index_reg.
4650 2000-11-09 Mark Mitchell <mark@codesourcery.com>
4652 * c-dump.c (dequeue_and_dump): Dump function bodies.
4654 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
4655 (c-dump.o): New target.
4656 * c-common.h (flag_dump_translation_unit): New variable.
4657 (C_TYPE_QUALS): New macro.
4658 (strip_array_types): New function.
4659 (DECL_C_BIT_FIELD): New macro.
4660 (SET_DECL_C_BIT_FIELD): Likewise.
4661 (CLEAR_DECL_C_BIT_FIELD): Likewise.
4662 (dump_info_p): New typedef.
4663 (dump_tree_fn): Likewise.
4664 (lang_dump_tree): New variable.
4665 (dump_node_to_file): New function.
4666 * c-common.c (flag_dump_translation_unit): Define it.
4667 (strip_array_types): New function.
4668 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
4669 * c-lang.c (finish_file): Call dump_node_to_file if
4670 flag_dump_translation_unit.
4671 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
4672 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
4673 * c-dump.c: New file.
4675 2000-11-09 Christopher Faylor <cgf@cygnus.com>
4677 * config/i386/cygwin.h: Add mingw startfile prefix.
4679 2000-11-09 Richard Henderson <rth@redhat.com>
4681 * flow.c (invalidate_mems_from_set): Split out from ...
4682 (mark_set_1): ... here.
4683 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
4684 instead of turning insn into a NOTE_INSN_DELETED.
4686 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4688 * extend.texi, invoke.texi: Move documentation of builtin versions
4689 of C library functions to one place and update.
4691 2000-11-09 Richard Henderson <rth@redhat.com>
4693 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
4694 the types themselves to discover type equivalence.
4696 2000-11-09 Mike Stump <mrs@wrs.com>
4698 * Makefile.in (distclean): Remove a few extra leftovers.
4700 2000-11-09 Richard Henderson <rth@redhat.com>
4702 * recog.c (validate_replace_rtx_1): Consider subregs when
4703 replacing a register with a constant inside a sign/zero_extend.
4705 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4707 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
4709 * c-decl.c (finish_struct): When a structure is completed,
4710 check all its variant types for completeness.
4712 2000-11-09 Neil Booth <neilb@earthling.net>
4714 * cpphash.c: Move cpp_defined here from cpplib.c.
4715 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
4716 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
4717 * cppmacro.c (cpp_get_token): Update comments, no need now
4718 to catch the CPP_EOF meaning EOL case.
4720 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
4722 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
4723 is more than that provided, copy to a temporary.
4725 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
4727 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
4728 interpreting $out as a macro assignment.
4729 * Makefile.in (T_TARGET): New auxiliary macro and target.
4730 (all): Add a target right in the beginning, so that we don't build
4731 T_TARGET by default.
4733 2000-11-09 Graham Stott <grahams@redhat.com>
4735 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
4736 order for -mintel-syntax. Remove comment now that the operand
4737 order has been checked.
4738 (mmx_pextrw): Likewise.
4739 (mmx_pshufw): Likewise.
4741 2000-11-09 Jakub Jelinek <jakub@redhat.com>
4743 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
4744 (c_getstr): New function.
4745 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
4746 If both arguments are constant string, optimize out.
4747 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
4748 (expand_builtin_strpbrk): Use c_getstr, do nothing if
4749 -fcheck-memory-usage.
4750 (expand_builtin_fputs): Likewise.
4751 (expand_builtin_strcmp): Add MODE argument.
4752 Use even if !HAVE_cmpstrsi.
4753 Optimize the case when both arguments are constant strings.
4754 (expand_builtin): Adjust expand_builtin_strcmp caller.
4755 Call expand_builtin_strchr and expand_builtin_strrchr.
4756 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
4758 * builtins.def (BUILT_IN_STRRCHR): Add.
4760 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4762 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
4764 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
4766 * calls.c (expand_call, emit_library_call_value_1), collect2.c
4767 (scan_prog_file), config/a29k/a29k.c (print_operand),
4768 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
4769 instead of bcopy ().
4770 * real.h: Use memcmp () instead of bcmp ().
4771 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
4772 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
4773 ultrasparc_sched_init, ultrasparc_sched_reorder),
4774 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
4775 instead of bzero ().
4776 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
4777 instead of rindex ().
4778 * configure.in: Don't check for bzero, bcmp, index or rindex.
4779 * configure, config.in: Regenerate.
4780 * system.h: Don't include declarations for bzero, bcmp, index or
4782 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
4783 bzero, bcmp, index or rindex.
4785 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
4787 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
4788 include and library paths from -mcygwin case. Parameterize some
4789 declarations to avoid warnings. Use standard locations for include and
4792 2000-11-08 Nick Clifton <nickc@redhat.com>
4794 * config/arm/arm.md (mulsidi3adddi): Change output operand
4795 constraint from "=&" to "+&".
4796 (umulsidi3adddi): Change output operand constraint from "=&" to
4799 2000-11-08 Richard Henderson <rth@redhat.com>
4801 * flow.c (init_propagate_block_info): Protect the rtx stored in
4802 mem_set_list from modification by find_auto_inc.
4803 (mark_set_1): Likewise.
4805 2000-11-08 Neil Booth <neilb@earthling.net>
4807 Move directive handling into the lexer itself.
4809 * cpplex.c (_cpp_lex_token): Handle directives directly.
4810 In the case of a directive interrupting a function-like
4811 macro invocation, use extra_char since read_ahead is
4812 used to store the '#'. Return a CPP_EOF in this case.
4813 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
4814 (cpp_get_token): Don't handle directives here.
4815 * cpplib.h: Remove CPP_DHASH token type.
4817 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
4819 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
4820 formed using PRE_MODIFY too.
4822 2000-11-08 Mark Mitchell <mark@codesourcery.com>
4824 * c-tree.texi (VAR_DECL): Describe representation of GCC's
4825 extension for placing variables in particular registers.
4827 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
4828 unprototyped C functions with no parameters.
4830 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4832 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
4833 before passing to fprintf.
4835 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4837 * function.c (expand_function_start): Cast GET_MODE_SIZE to
4838 HOST_WIDE_INT before negating it.
4840 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4842 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
4843 passed in multiple non-contiguous locations.
4845 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4847 * README.gnat: Remove file.
4849 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
4851 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
4854 2000-11-07 Richard Henderson <rth@redhat.com>
4856 * dwarfout.c (INSN_LABEL_FMT): Remove.
4857 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4858 (dwarfout_label): Remove.
4859 * dwarfout.h: Remove it's prototype.
4860 * dwarf2out.c (INSN_LABEL_FMT): Remove.
4861 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4862 (dwarf2out_label): Remove.
4863 * dwarf2out.h: Remove it's prototype.
4864 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
4866 2000-11-07 Richard Henderson <rth@redhat.com>
4868 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
4869 search on the unwind region section.
4871 * config/ia64/ia64.md (movbi): Add r/r alternative.
4872 (cmovdi_internal_astep): Describe all combinations of register
4873 classes for sources & destinations; remove matching constraints.
4874 (cmovdi_internal): Likewise.
4876 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
4878 2000-11-07 Richard Henderson <rth@redhat.com>
4880 * c-lang.c (start_cdtor, finish_cdtor): New functions.
4881 (finish_file): Use them in building constructor/destructor functions.
4883 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
4884 LD_FINI_SWITCH): Move ...
4885 * config/alpha/osf.h: ... here.
4886 * config/alpha/alpha-interix.h: Don't undef them.
4888 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
4890 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
4891 included in libgcc.a.
4893 (dp-bit.c): Likewise.
4894 (fp-bit.c): Likewise.
4896 2000-11-07 Nick Clifton <nickc@redhat.com>
4898 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
4899 (INTERNAL_ASM_OP): Add missing tab.
4901 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4903 * alias.c (init_alias_analysis), calls.c (expand_call,
4904 emit_library_call_value_1), combine.c (init_reg_last_arrays),
4905 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
4906 (init_output_buffer, set_diagnostic_context), dwarf2out.c
4907 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
4908 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
4909 function.c (assign_parms), gcse.c (compute_can_copy,
4910 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
4911 compute_hash_table, compute_set_hash_table,
4912 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
4913 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
4914 clear_units, schedule_block), integrate.c (initialize_for_inline,
4915 expand_inline_function), jump.c (thread_jumps), local-alloc.c
4916 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
4917 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
4918 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
4919 record_reg_classes, allocate_reg_info), reload.c
4920 (get_secondary_mem, remove_address_replacements, find_reloads),
4921 reload1.c (reload, set_initial_label_offsets, finish_spills,
4922 reload_as_needed, choose_reload_regs_init,
4923 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
4924 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
4925 (rename_registers), stmt.c (expand_end_case), unroll.c
4926 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
4927 () instead of bzero ().
4929 2000-11-07 Neil Booth <neilb@earthling.net>
4931 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
4933 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4935 * c-common.c (combine_strings): Only warn about long strings for C.
4937 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
4939 * combine.c (distribute_notes): Fix typo in last change.
4941 2000-11-07 Geoff Keating <geoffk@redhat.com>
4943 * config/rs6000/rs6000.md (movdi_internal32+1): Use
4944 operand_subreg_force rather than gen_rtx_SUBREG.
4945 (movdi_internal32+2): Likewise.
4947 2000-11-07 Philip Blundell <philb@gnu.org>
4949 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
4950 * config/arm/linux-aout.h: Likewise.
4951 * configure: Regenerate.
4953 2000-11-07 Philipp Thomas <pthomas@suse.de>
4955 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
4956 accepted my the gettext maintainer.
4958 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4960 * builtins.c (expand_builtin_strpbrk): New function.
4961 (expand_builtin): Handle BUILT_IN_STRPBRK.
4963 * builtins.def (BUILT_IN_STRPBRK): New entry.
4965 * c-common.c (c_common_nodes_and_builtins): Declare builtin
4968 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
4970 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
4971 * POTFILES.in: Add config/alpha/freebsd.h
4972 * configure.in: Add alpha*-freebsd support.
4973 * configure: Regenerate.
4975 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4977 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
4978 copy of ptr_type_node rather than ptr_type_node itself.
4980 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
4982 * combine.c (recog_for_combine): Allocate uninitialized vector with
4984 * recog.c (apply_change_group): Likewise.
4986 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
4988 * flow.c (verify_local_live_at_start): Back out last change.
4989 * combine.c (distribute_notes): When parts of a hard reg are
4990 neither set nor referenced in PLACE, search backwards for a
4991 place to put a REG_UNUSED note; if none found, ask for flow
4994 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
4996 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
4997 with (clobber (match_scratch...)).
4999 2000-11-06 Neil Booth <neilb@earthling.net>
5001 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
5004 2000-11-06 Neil Booth <neilb@earthling.net>
5006 * tradcpp.c (special_symbol): Assign an null string rather
5007 than writing to an unallocated buffer.
5009 2000-11-06 Neil Booth <neilb@earthling.net>
5011 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
5014 2000-11-06 Neil Booth <neilb@earthling.net>
5016 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
5017 tok.val.arg_no as appropriate.
5018 * cppexp.c (lex): Similarly.
5019 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
5020 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
5021 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
5022 cpp_macro_definition): Similarly.
5023 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
5025 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5027 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
5028 operands[1] is constant, calculate the sum and generate movdi.
5029 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
5030 (subsi3): Use SImode in call to arith_4096_operand.
5032 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5034 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
5035 adjust %o1, not %o0 if the return type is large structure.
5037 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5039 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
5040 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
5042 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5044 * expmed.c (expand_divmod): For signed divide by 2, prefer
5045 a branch and fewer shifts if branches are very cheap.
5047 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
5049 * Makefile.in: Remove all targets related to building
5050 distributions and diffs, or INSTALL.
5051 * INSTALL, install1.texi: Remove.
5052 * configure.in: Remove mention of distdir.
5053 * configure: Regenerate.
5054 * objc/Make-lang.in: Remove mention of distdir.
5056 2000-11-04 Neil Booth <neilb@earthling.net>
5058 * cpp.texi: Update for _Pragma.
5060 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
5062 * gcc.texi (Contributing): Update URL for projects web page.
5064 2000-11-04 Neil Booth <neilb@earthling.net>
5066 * cpplex.c (parse_string): Don't allow multiline strings in
5067 #include family directives.
5069 2000-11-04 Neil Booth <neilb@earthling.net>
5071 * cpplib.c (do_line): Only warn pedantically if not reading
5074 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
5076 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
5079 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
5081 * builtins.c (expand_builtin_strlen): Remove unused mode
5083 * gcc.c (process_command): Remove unused variable.
5084 * fold-const.c: Include expr.h.
5085 * recog.c: Include reload.h.
5086 * Makefile.in (recog.o, fold-const.o): Update deps.
5088 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
5090 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
5092 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
5094 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
5096 (STARTFILE_SPEC): Likewise.
5097 (LINK_SPEC): Likewise.
5099 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5101 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
5102 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
5103 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
5105 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
5107 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
5108 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
5109 perm_calloc, get_identifier, maybe_get_identifier,
5110 real_value_from_int_cst, simple_cst_equal), varasm.c
5111 (assemble_name, assemble_real, immed_real_const_1,
5112 compare_constant_1, decode_rtx_const, output_constant_pool): Use
5113 strrchr () instead of rindex (). Use memcmp () instead of bcmp
5114 (). Use memcpy () instead of bcopy (). Use memset () instead of
5117 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
5119 * cppfiles.c (open_file): If already read, then don't reopen.
5120 Immediately close an empty file.
5122 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5124 * expr.h (fold_builtin): Move declaration...
5125 * tree.h (fold_builtin): ... here.
5127 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
5129 * flow.c (verify_local_live_at_start): Allow hard regs to die.
5131 2000-11-02 Neil Booth <neilb@earthling.net>
5134 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
5135 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
5136 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
5137 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
5138 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
5139 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
5140 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
5141 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
5142 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
5143 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
5144 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
5145 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
5146 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
5147 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
5148 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5149 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
5150 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
5151 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
5152 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
5153 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
5154 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
5155 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
5156 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
5157 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
5158 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
5159 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
5160 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
5161 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
5162 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
5163 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
5164 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
5165 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
5166 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
5167 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
5168 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
5169 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
5170 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
5171 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
5172 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
5173 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
5174 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
5175 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
5176 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
5177 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
5178 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
5179 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
5180 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
5181 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
5182 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
5183 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
5184 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
5185 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
5186 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
5187 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
5188 vax/vaxv.h, vax/vms.h, we32k/we32k.h
5190 Replace -A() with -A=, the new assertion syntax.
5192 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
5194 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
5196 In REG_DEAD handling: When handling parts of multi-hard-reg hard
5197 registers, increment the loop counter by the size of the parts;
5198 use recursion to handle individual parts.
5200 2000-11-02 Neil Booth <neilb@earthling.net>
5202 * configure.in: Make integrated CPP the default.
5203 * configure: Regenerate.
5205 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
5207 * reload.c (find_equiv_reg): Test all hard registers for membership
5208 in the requested class.
5210 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5212 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
5213 process_command, main), gcov.c (open_files, output_data), tlink.c
5214 (frob_extension, scan_linker_output), toplev.c
5215 (file_name_nondirectory): Use strchr () and strrchr () instead of
5216 index () and rindex ().
5218 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5220 * c-common.c (get_flag_spec, check_format_info_main,
5221 check_format_types): Use strchr () instead of index (). Compare
5222 against error_mark_node instead of comparing the TREE_CODE against
5225 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
5229 * c-lex.c (init_c_lex): Update cpp_start_read call.
5230 (cb_ident): Update for new callback prototype.
5231 (cb_def_pragma): Update for new cpp_get_token prototype.
5232 (c_lex): Similarly. Use cpp_get_line.
5234 * c-parse.in (finish_parse): Update for new cpp_finish
5237 * cp/lex.c (finish_parse): Similarly.
5239 2000-11-01 Geoff Keating <geoffk@cygnus.com>
5241 * machmode.def: Add V16QImode.
5243 2000-11-01 Richard Henderson <rth@redhat.com>
5245 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
5246 from rtl_for_decl_location.
5247 (add_location_or_const_value_attribute): Likewise.
5249 2000-11-01 Neil Booth <neilb@earthling.net>
5251 * cpplib.c (run_directive): Use correct line number for output
5252 of _Pragma. Remember any in-progress directive.
5254 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
5256 2000-11-01 Richard Henderson <rth@redhat.com>
5258 * stmt.c (expand_start_null_loop): Set continue_label.
5260 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5262 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
5263 (expand_builtin_constant_p): Move parts of the code into
5264 fold_builtin_constant_p.
5265 (expand_builtin_strlen): Move parts of the code into fold_builtin.
5266 * expr.h (fold_builtin): Declare.
5267 * fold-const.c (fold): Handle builtin calls.
5269 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
5271 2000-11-01 Richard Henderson <rth@redhat.com>
5273 * stmt.c (expand_start_null_loop): New.
5274 (expand_end_null_loop): New.
5275 * c-semantics.c (genrtl_do_stmt): Use them.
5276 * tree.h: Declare them.
5278 2000-11-01 Richard Henderson <rth@redhat.com>
5280 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
5282 2000-11-01 Neil Booth <neilb@earthling.net>
5284 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
5285 * cp/spew.c: Similarly.
5286 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
5287 * cppmacro.c (stringify_arg): Similarly.
5288 * cpplib.h (CPP_BACKSLASH): Delete.
5290 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5292 * builtins.c (expand_builtin_strstr): New function.
5293 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
5295 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
5297 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
5300 2000-10-31 Richard Henderson <rth@redhat.com>
5302 * config/i386/i386.c (fcmov_comparison_operator): Check for
5303 CCFPmode or CCFPUmode instead of CCmode.
5304 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
5305 unordered operations as well.
5307 2000-10-31 Richard Henderson <rth@redhat.com>
5309 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
5310 of integer_zero_node.
5312 2000-10-31 Richard Henderson <rth@redhat.com>
5314 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
5316 2000-10-31 Nick Clifton <nickc@redhat.com>
5318 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
5319 -fdata-sections to override the section attribute of a DECL.
5321 2000-10-31 Chris Demetriou <cgd@sibyte.com>
5323 * libgcc2.c (__shtab): Remove __shtab variable.
5324 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
5325 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
5328 2000-10-31 Jim Wilson <wilson@redhat.com>
5330 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
5331 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
5332 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
5333 instead of ASM_OUTPUT_INTERNAL_LABEL.
5334 (dwarf2out_end_block, dwarf2out_label): Likewise.
5335 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
5336 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
5338 2000-10-31 Richard Henderson <rth@redhat.com>
5340 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
5341 (size_of_locs): Set it.
5342 (output_loc_operands): Use it to compute branch displacement.
5343 (int_loc_descriptor): New.
5344 (mem_loc_descriptor): Dereference memory in the proper size.
5345 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
5346 (loc_descriptor_from_tree): New.
5347 (rtl_for_decl_location): Break out from ...
5348 (add_location_or_const_value_attribute): ... here.
5349 (add_bound_info): Use loc_descriptor_from_tree.
5351 2000-10-31 Neil Booth <neilb@earthling.net>
5353 * cpp.texi: Update for new command line assertion syntax.
5354 * cpplib.c (cpp_define): Simplify a bit.
5355 (cpp_assert, cpp_unassert): Use handle_assertion.
5356 (handle_assertion): New function; accept new command line
5358 * testsuite/gcc.dg/cpp/assert3.c: New tests.
5360 2000-10-31 Neil Booth <neilb@earthling.net>
5362 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
5363 undefined. Remove #ifdef check.
5364 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
5365 Define STDC_0_IN_SYSTEM_HEADERS to 1.
5367 2000-10-31 Jan Hubicka <jh@suse.cz>
5368 Jakub Jelinek <jakub@redhat.com>
5370 * config/i386/i386.h: Clarify CCNOmode description in comment.
5371 (EXTRA_CC_MODES): Remove CCRCmode.
5372 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
5373 (put_condition_code, ix86_match_ccmode): Likewise.
5374 (ix86_cc_mode): Likewise. Fix comment.
5375 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
5376 * config/i386/i386.md: Add unspec 12 description.
5377 (adddi3 split): Use unspec 12 instead of CCRCmode.
5378 (addsi3_carry_rc): Remove.
5379 (addsi3_cc, addqi3_cc): New patterns.
5380 (addsi_3): Swap operands, match CCZmode.
5381 (addsi_4): Rewritten.
5382 (addsi_5): Renamed from addsi_6.
5384 (addhi_3): Swap operands, match CCZmode.
5385 (addhi_4): Rewritten.
5386 (addhi_5): Renamed from addhi_6.
5388 (addqi_3): Swap operands, match CCZmode.
5389 (addqi_4): Rewritten.
5390 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
5391 (subsi3_carry_rc): Removed.
5392 (iorqi_3): Use =q constraint for clobber.
5393 (xorqi_cc_2): Likewise.
5394 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
5395 (x86_movsicc_0_m1_rc): Removed.
5396 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
5398 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
5400 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
5401 and decrement of complex types.
5403 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5405 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
5406 builtin fputs, ensure we still evaluate the stream in case it
5409 2000-10-31 Jakub Jelinek <jakub@redhat.com>
5411 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
5414 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
5416 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
5417 (fp_extended_operand, emit_fpscr_use): Likewise.
5418 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
5419 (fpul_operand): New function.
5420 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
5421 fp_extended_operand. Add fpul_operand.
5422 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
5423 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
5424 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
5425 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
5426 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
5427 (divdf3_i): Likewise.
5428 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
5429 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
5430 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
5431 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
5432 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
5434 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
5436 * config/i386/i386.c (ix86_init_builtins): Correct return type
5437 building v4hi_ftype_v4hi_int_int tree node.
5438 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
5439 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
5441 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
5443 (mmx__uavgv8qi3): Correct insn mnemonic.
5444 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
5445 (mmx_punpckhwd): Correct insn mnemonic.
5446 (mmx_punpckhdq): Likewise.
5447 (mmx_punpcklwd): Likewise.
5448 (mmx_punpckldq): Likewise.
5449 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
5450 Renumber case labels to match the _mm_prefetch constants defined in
5453 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
5454 if the splitter didn't emit new insns.
5455 Make sure we call cleanup_subreg_operands even when splitting the last
5456 insn in a basic block.
5458 * invoke.texi (Debugging Options): Describe -do.
5459 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
5460 (dump_file): Likewise.
5461 (rest_of_compilation): Split .greg dump into .greg and .postreload.
5463 2000-10-30 Neil Booth <neilb@earthling.net>
5465 * cppfiles.c (stack_include_file): Check for stacked contexts
5467 * cpphash.h (_cpp_do__Pragma): New prototype.
5468 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
5470 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
5471 escaped newlines if !(buffer->from_stage3).
5472 (_cpp_lex_token): Warn about missing newlines iff
5473 !buffer->from_stage3.
5475 * cpplib.c (get__Pragma_string, destringize,
5476 _cpp_do__Pragma): New functions.
5477 (run_directive): Set output_line for _Pragma to avoid line
5478 markers in output. Set from_stage3 and prevent macro expansion
5479 for _Pragma and command-line options. Check buffer exhaustion.
5480 (cpp_push_buffer): Don't check for stacked macro contexts, as
5481 this is perfectly legitimate for _Pragma. Move the check to
5482 stack_include_file instead. Set from_stage3 iff buffer is
5485 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
5486 unsigned. New boolean from_stage3.
5487 (struct spec_nodes): Add n__Pragma.
5489 * cppmacro.c (enter_macro_context): Flip sense of return value.
5490 (_cpp_get_token): Handle _Pragma operator.
5492 2000-10-30 Phil Edwards <pme@sources.redhat.com>
5494 * gcc.texi: The C++ standard isn't "draft" anymore.
5496 2000-10-30 Mark Mitchell <mark@codesourcery.com>
5498 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
5500 2000-10-29 Neil Booth <neilb@earthling.net>
5502 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
5504 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
5506 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
5507 fixinc/inclhack.def: Change comments mentioning C9X to refer to
5510 * invoke.texi: Document that -V will only work for very similar
5511 versions of driver and compiler.
5513 2000-10-29 Neil Booth <neilb@earthling.net>
5515 * cppmacro.c (_cpp_create_definition): Optimize the case of
5516 a macro defined to itself.
5518 2000-10-29 Neil Booth <neilb@earthling.net>
5520 * cpplex.c (save_comment): Don't store new lines in C++ comments.
5522 2000-10-29 Michael Hayes <mhayes@redhat.com>
5524 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
5526 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
5528 * cpphash.c (cpp_forall_identifiers): Add context variable
5529 for callback routine.
5530 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
5532 (main): Call cpp_forall_identifiers with null context.
5533 * cpplib.h (cpp_forall_identifiers): Update prototype.
5535 * cppmain.c: Make `parse_in' and `print' static.
5537 2000-10-28 Alan Modra <alan@linuxcare.com.au>
5539 * c-decl.c (finish_function): Clear c_function_name_declared_p.
5541 2000-10-28 Richard Henderson <rth@redhat.com>
5543 * regrename.c (scan_rtx_address): Frob action, not class,
5544 when trying to disable optimization.
5546 2000-10-28 Mark Mitchell <mark@codesourcery.com>
5548 * c-semantics.c (make_rtl_for_local_static): Don't clobber
5549 DECL_ASSEMBLER_NAME.
5551 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
5553 * configure.in: Determine and substitute gcc_version_full.
5554 * configure: Regenerate.
5555 * gccbug.in: Use it to give full version. Don't allow
5558 2000-10-28 Richard Henderson <rth@redhat.com>
5560 * recog.c (split_all_insns): Run cleanup_subreg_operands
5563 * regrename.c (regrename_optimize): Verify that all registers of
5564 a multiple register mode are available.
5565 (scan_rtx_address): Accept the mode of the address; all callers
5568 * cpplib.c (run_directive): Fix prototype.
5570 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
5572 * reload.c (find_reloads): Distinguish "wins" so that we know whether
5573 a given operand won because of a matching constraint or not; then use
5574 that information to compute goal_alternative_matched properly.
5575 * reload1.c (choose_reload_regs): Never set reload_override_in for an
5578 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
5579 accurate value for MULT.
5580 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
5581 2% or > 98% before using static branch prediction bits.
5583 2000-10-28 Neil Booth <neilb@earthling.net>
5587 * cpplib.c (struct answer): New.
5588 (struct if_stack): Use cpp_lexer_pos rather than line and col.
5589 Rename cmacro mi_cmacro.
5590 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
5591 IN_I): New directive and flags.
5592 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
5593 parse_answer, parse_assertion, find_answer): New functions.
5594 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
5595 (lex_macro_node): New function to replace parse_ifdef and
5598 (_cpp_handle_directive): New function, combines _cpp_check_directive
5599 and _cpp_check_linemarker.
5601 (do_define, do_undef, parse_include, do_include, do_import,
5602 do_include_next, read_line_number, do_line, do_ident, do_pragma,
5603 do_pragma_once, do_pragma_poison, do_pragma_dependency):
5604 Update for new token getting interface.
5606 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
5607 : Update for new multiple-include optimisation technique.
5608 (do_elif): Don't forget to invalidate controlling macros.
5610 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
5611 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
5612 Functions to handle assertions with the new token interface.
5613 (do_assert, do_unassert): Use them.
5615 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
5618 (_cpp_init_stacks): Register directive names. Don't register special
5621 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
5622 new position recording regime.
5623 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
5624 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
5625 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
5626 (cpp_type2name): Move to cpplex.c.
5628 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
5629 (parse_defined): Update to handle new multiple include optimisation
5630 method. Remove poisoned identifier warning.
5631 (parse_assertion, TYPE_NAME): Delete.
5632 (lex): Update for multiple include optimisation, removal of
5633 CPP_DEFINED, to use _cpp_test_assertion for assertions and
5635 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
5636 (op_as_text): New function, to wrap cpp_token_as_text.
5638 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
5639 Update for MI optimisation.
5640 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
5641 segfault on diagnostic.
5642 (_cpp_compare_file_date): Take a token rather than 3 args.
5643 (cpp_read_file): Work correctly for zero-length files.
5645 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
5646 _cpp_init_hashtable and _cpp_cleanup_hashtable.
5647 (cpp_lookup): Place identifiers at front of identifier pool
5648 for _cpp_lookup_with_hash.
5649 (_cpp_lookup_with_hash): Require identifiers to be at the front of
5650 the identifier pool. Commit the memory if not already in the
5653 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
5654 Initialise various members of cpp_reader, memory pools, and the
5656 (cpp_printer_init): Delete.
5657 (cpp_cleanup): Update.
5658 (struct builtin, builtin_array, initialize_builtins): Update for new
5659 hashnode definition and builtin handling.
5660 (cpp_start_read, cpp_finish): Don't take or initialise a
5663 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
5664 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
5665 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
5666 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
5667 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
5668 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
5669 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
5670 struct toklist, struct cpp_context, struct specnodes,
5671 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
5672 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
5673 enum builtin_type, cpp_can_paste): New.
5674 (struct cpp_token): Delete line and col members.
5675 (struct cpp_buffer): New member output_lineno.
5676 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
5677 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
5678 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
5679 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
5680 base_context, context, directive, mi_state, mi_if_not_defined,
5681 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
5682 mlstring_pos, macro_buffer, macro_buffer_len.
5683 Delete members mls_line, mls_column, token_list, potential_control_macro,
5684 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
5685 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
5686 save_parameter_spellings, need_newline, .
5687 Change type of date, time and spec_nodes members.
5688 Change prototypes for include and ident callbacks.
5689 (struct cpp_hashnode): Change type of name. Remove union members
5690 expansion and code. Add members macro, operator and builtin.
5692 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
5693 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
5694 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
5695 cpp_stop_lookahead): New prototypes.
5696 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
5698 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
5699 Move from cpphash.h.
5701 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
5702 ufputs): Move to cpplib.h.
5703 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
5704 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
5705 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
5706 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
5707 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
5708 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
5709 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
5710 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
5711 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
5712 _cpp_parse_assertion, _cpp_find_answer): Delete.
5713 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
5714 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
5715 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
5716 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
5717 _cpp_handle_directive, DSC): New.
5718 (struct include_file): New member defined.
5720 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
5721 _cpp_compare_file_date): Update.
5722 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
5723 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
5724 _cpp_cleanup_hashtable.
5726 * Makefile.in: Remove cppoutput.c.
5728 * cppoutput.c: Delete
5730 * fixheader.c (read_scan_file): Update for new cpp_get_token
5732 (recognized_function): New argument LINE.
5734 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5735 new cpp_get_token prototype.
5737 * scan.h (recognized_function): Update prototype.
5739 * po/POTFILES.in: Remove cppoutput.c.
5741 2000-10-27 Mark Mitchell <mark@codesourcery.com>
5743 * c-typeck.c (check_init_type_bitfields): Remove.
5744 (constructor_incremental): Likewise.
5745 (struct constructor_stack): Remove incremental bit.
5746 (struct initializer_stack): Likewise.
5747 (start_init): Don't play with constructor_incremental.
5748 (finish_init): Likewise.
5749 (really_start_incremental_init): Likewise.
5750 (push_init_level): Likewise.
5751 (pop_init_level): Likewise.
5752 (output_init_level): Likewise.
5753 (output_pending_init_elements): Likewise.
5755 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
5757 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
5758 Improve error messages. Correct parsing of
5759 #pragma pack(pop [,id]). Do not check the user-supplied
5760 alignment if we're popping.
5762 * gcc.dg/pack-test-1.c: New test case.
5763 * gcc.dg/pack-test-2.c: New test case.
5764 * gcc.dg/pack-test-1.h: New file.
5766 2000-10-27 Neil Booth <neilb@earthling.net>
5770 2000-10-27 Kelley Cook <kelley.cook@home.com>
5772 * invoke.texi: Document -mintel-syntax
5774 2000-10-27 Richard Henderson <rth@redhat.com>
5776 * invoke.texi: Document -frename-registers. Add it to -O3.
5777 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
5778 (enum dump_file_index, dump_file): Update order.
5779 (main): Set flag_rename_registers at -O3.
5781 2000-10-27 Richard Henderson <rth@redhat.com>
5783 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
5784 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
5785 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
5786 * config/alpha/alpha.md (call_osf_1): Use it.
5787 (call_value_osf_1): Likewise.
5789 * config/ia64/ia64.c: Revert 10-23 patch.
5790 (ia64_hard_regno_rename_ok): New.
5791 * config/ia64/ia64-protos.h: Declare it.
5792 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
5794 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
5795 Richard Henderson <rth@redhat.com>
5797 * regrename.c: Rewrite to handle multi-register modes and
5798 cond_exec instructions.
5799 * Makefile.in (regrename.o): Update dependancies.
5800 * recog.h (struct operand_alternative): Add is_address.
5801 * recog.c (preprocess_constraints) [case 'p']: Set it.
5803 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
5805 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
5806 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
5807 top level. Kill oldstyle_subdirs. Do not include
5808 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
5809 $outputs. Do not run configure.lang from config.status.
5810 Rearrange warning-flag logic to correspond to what the
5811 makefile wants. Put special vax stage1 options in
5812 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
5813 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
5814 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
5815 switch is given, nothing otherwise.
5816 * configure.lang: Delete.
5818 * Makefile.in: Expunge all traces of extra_c_objs,
5819 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
5820 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
5821 warning options via a three level scheme so that -pedantic and
5822 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
5823 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
5824 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
5825 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
5826 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
5827 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
5828 generation rules. Wrap all rules that change the current
5829 directory in parentheses; pmake doesn't spawn a new shell for
5830 each command. Expunge all references to $(P). When one
5831 command depends on another and they're run all at once, use &&
5832 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
5833 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
5836 * objc/Make-lang.in: Wrap all rules that change the current
5837 directory in parentheses. Expunge all references to $(P).
5838 When one command depends on another and they're run all at
5839 once, use && to separate them, not ;. Add OUTPUT_OPTION to
5840 all object-file generation rules. Delete obsolete variables.
5841 * objc/Makefile.in: Delete.
5843 2000-10-27 Jakub Jelinek <jakub@redhat.com>
5845 * calls.c (expand_call): If sibcall_failure is set during pass 1,
5846 clear tail_call_insns as well.
5848 2000-10-27 Nick Clifton <nickc@redhat.com>
5850 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
5853 2000-10-26 Richard Henderson <rth@redhat.com>
5855 * calls.c (expand_call): Supress sibcall if we have a
5856 BLKmode return in registers.
5858 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
5860 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
5863 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
5865 * tree.c (make_node, case 't'): Set alignment to that of
5867 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
5869 2000-10-25 Mark Mitchell <mark@codesourcery.com>
5871 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
5872 * configure.in (enable-libstdcxx-v3): Arrange to have
5873 HAVE_LIBSTDCXX_V3 substituted into the output files.
5875 2000-10-25 Richard Henderson <rth@redhat.com>
5877 * recog.c (constrain_operands): Initialize which_alternative
5878 before no alternatives early exit.
5880 * cse.c (find_comparison_args): Check that we can reverse a
5881 comparison if needed before accepting the substitution.
5883 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
5885 * simplify-rtx.c (simplify_relational_operation): Sign extend
5886 low words before sign extending to high words.
5888 2000-10-25 Nick Clifton <nickc@redhat.com>
5890 * config/mcore/mcore.c: Include config.h before system.h.
5892 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
5894 * config/mcore/mcore.md (return): Force function epilogue to
5895 always be generated to work around epilogue suppression bug in
5898 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
5900 * c-decl.c (grokdeclarator): Move warning for qualified void
5901 return types with -pedantic to when the function type is
5902 constructed. At -W, warn in general for qualified function return
5903 types, except for volatile void.
5904 * invoke.texi: Document this new warning at -W.
5906 2000-10-25 Neil Booth <neilb@earthling.net>
5908 * cpp.texi: Update with implementation-defined behavior and
5911 2000-10-25 Jakub Jelinek <jakub@redhat.com>
5913 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
5914 incomplete type force it into alias set 0.
5916 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
5918 * alias.c: Include basic-block.h.
5919 (loop_p): New function.
5920 (mark_constant_function): Use it.
5921 * Makefile.in (alias.o): Update dependencies.
5923 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5925 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
5928 2000-10-24 Jim Wilson <wilson@cygnus.com>
5930 * expmed.c (store_bit_field): Move integer pun code down after
5931 code that calls emit_move_insn for entire register move.
5932 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
5933 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
5935 2000-10-24 Richard Henderson <rth@cygnus.com>
5937 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
5938 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
5940 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5942 * gcse.c (cprop_insn): do not propagate constants into jump_insn
5943 for machines with CC0 more than once.
5945 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
5947 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
5948 pseudos just like memory.
5950 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
5952 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
5953 when deleting libcall sequence collapsed to a single instruction.
5955 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
5957 * expr.c (do_store_flag): Don't crash if either side of a
5958 comparison is error_mark_node.
5960 2000-10-24 Jakub Jelinek <jakub@redhat.com>
5962 * sibcall.c (purge_mem_unchanging_flag): New function.
5963 (optimize_sibling_and_tail_recursive_calls): Call it.
5965 2000-10-24 Philipp Thomas <pthomas@suse.de>
5967 * Makefile.in (check-po): New target for doing checks in the po
5968 subdir if all languages configured.
5969 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
5970 configure if NLS is enabled.
5971 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
5972 otherwise leave empty.
5973 * configure: Regenerate.
5975 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
5977 * i386.c (print_operand): Handle new 'A' formatting code.
5978 387 opcodes need suffixes even with -mintel-syntax.
5979 Check for explicit size override (codes 'b', 'w' and 'k').
5980 (print_operand_address): Check if register prefix is needed when
5981 emitting `ds' segment override.
5982 * i386.h: Add comment about new 'A' formatting code.
5983 * i386.md (jump and call patterns): Emit absolute references using %A.
5985 2000-10-23 Richard Henderson <rth@cygnus.com>
5987 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
5988 output registers as fixed.
5989 (ia64_function_epilogue): Undo output fixation.
5991 2000-10-23 Richard Henderson <rth@cygnus.com>
5993 * config/alpha/alpha.md: Add names for all unnamed insns; use
5994 define_insn_and_split in some obvious places.
5996 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
5997 (zero_extendqisi2, zero_extendqidi2): Likewise.
5998 (zero_extendhisi2, zero_extendhidi2): Likewise.
5999 (abs splitters): Fix match_scratch operand number.
6000 (bcc_reverse): Swap pc & label instead of non-canonical compare.
6002 2000-10-23 Jim Wilson <wilson@cygnus.com>
6004 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
6006 * ia64.md (cmpsi_adjusted): Use %r3.
6007 (cmpdi_adjusted): Likewise.
6009 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6011 * config/i386/att.h (ASM_FILE_START): Define.
6013 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6015 * config/i386/linux.h (ASM_FILE_START): Define.
6017 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
6019 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
6020 since this (only) drags in a crt0.o reference that the .ld files
6023 2000-10-23 Geoff Keating <geoffk@cygnus.com>
6025 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
6026 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
6027 reloads just like an RELOAD_FOR_OUTPUT would.
6029 * local-alloc.c (update_equiv_regs): Add an abort(). When
6030 deleting or moving insns, update reg_equiv[regno].init_insns.
6032 2000-10-23 Mark Mitchell <mark@codesourcery.com>
6034 * c-tree.texi: Improve documentation for IF_STMTs and related
6035 conditional statements.
6037 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6039 * expr.c (do_preexpand_calls): Remove.
6040 (same_from_p): Don't use CALL_EXPR_RTL.
6041 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
6042 (preexpand_calls): Remove.
6043 * tree.c (first_rtl_op): Remove CALL_EXPR case.
6044 (unsave_expr_1): Likewise.
6045 * tree.def (CALL_EXPR): Give it only two slots.
6046 * tree.h (CALL_EXPR_RTL): Remove.
6048 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
6050 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
6051 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6054 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
6056 * calls.c (combine_pending_stack_adjustment_and_call): Don't
6057 adjust stack when unadjusted_alignment ends up as zero.
6059 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
6061 * fixinc/genfixes: Remove EGCS reference.
6062 * install.texi: Remove EGCS reference.
6063 * INSTALL: Regenerate.
6065 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6067 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
6069 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
6071 * diagnostic.c: Remove EGCS reference in comment.
6073 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6075 * loop.c (strength_reduce): Fix error in last change.
6077 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6079 * Makefile.in (SHLIB_NM_FLAGS): New.
6080 (libgcc.mk): Pass it.
6081 * mklibgcc.in (libgcc.map): Use it.
6083 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
6084 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
6086 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6088 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
6090 * sparc.c (load_pic_register): Delete unused varaible.
6092 * libgcc2.c (__addvsi3): Delete unused variable.
6094 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
6095 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
6096 __negvdi2): Prototype.
6098 * ssa.c (apply_delayed_renames): Avoid undefined operation.
6100 * toplev.c (display_target_options): Make static to match
6101 prototype. Delete empty declaration.
6103 2000-10-20 Tom Tromey <tromey@cygnus.com>
6105 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6106 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6108 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6110 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
6112 (expand_expr_unaligned, case ARRAY_REF): Check that index is
6113 a constant before comparing it; use tree_low_cst.
6114 * tree.c (save_expr): Set TREE_READONLY.
6115 (substitute_expr): Return inside of NON_LVALUE_EXPR.
6116 (build, build1): Set TREE_READONLY if all operands are.
6117 (build_index_type): If upper bound is a negative number, lower
6118 bound is zero and sizetype is unsigned, use upper bound of one and
6121 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6123 * gcc.c (process_command, main): Use "because" instead of
6124 "since" in error messages.
6126 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6128 * stor-layout.c (compute_record_mode): Use tree_low_cst.
6129 Don't use mode of field for record unless sizes are the same.
6130 (layout_type, case ARRAY_TYPE): Remove special bounds handling
6131 previously added for Ada; also change to using host_integerp
6134 * loop.c (strength_reduce): Show when new register made for
6135 giv is known to be a pointer and its aligment if so and known.
6136 (loop_dump_aux): Show VERBOSE parameter unused.
6138 * gcse.c (set_hash_table_size): Now unsigned.
6139 * sdbout.c (template_name_p): Add "const" to avoid warnings.
6140 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
6141 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
6142 (sdbout_end_epilogue): Remove variable NAME.
6143 * system.h (getopt): Add default definition.
6144 * config/alpha/alpha.c (print_operand): Don't continue processing
6145 after issuing error.
6146 (summarize_insn): Avoid use of UL in constant.
6148 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
6150 * fold-const.c (force_fit_type): Unsigned values can overflow
6151 if they are sizetype.
6152 (int_const_binop): Don't use cache if overflows.
6154 2000-10-20 Richard Henderson <rth@cygnus.com>
6156 * function.c (locate_and_pad_parm): Zero alignment_pad.
6158 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
6159 perform substitutions, and apply_change_group to see if it worked.
6161 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6163 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
6165 * combine.c (struct undo): Change int to unsigned int.
6166 (do_SUBST_INT): Args are unsigned int.
6167 (make_extraction, force_to_mode): Use proper type when forming mask.
6168 (make_field_assignment): Likewise.
6170 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
6172 * c-common.c (check_format_info_recurse): Extract string constant
6173 initializers from non-volatile constant arrays and check them as
6175 * c-typeck.c (decl_constant_value): Don't check pedantic or check
6176 for DECL_MODE (decl) != BLKmode.
6177 (decl_constant_value_for_broken_optimization): New function which
6178 includes these checks.
6179 (default_conversion, convert_for_assignment, digest_init): Use
6180 decl_constant_value_for_broken_optimization instead of
6181 decl_constant_value.
6183 2000-10-20 Mark Mitchell <mark@codesourcery.com>
6185 * tree.h (DECL_ALIGN_UNIT): New macro.
6187 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
6189 * config/avr/avr-protos.h (avr_output_bld): New.
6190 (out_shift_with_cnt): Add t_len argument.
6191 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
6192 (output_movqi, output_movhi, output_movsisf): Optimize loading
6193 any constant with exactly one bit set to NO_LD_REGS.
6194 (out_shift_with_cnt): Optimize output code for size or speed,
6195 depending on optimize_size. Handle small shift counts as well
6196 (if not hand-optimized in ?sh??i3_out). Shifts can be done
6197 with or without a scratch register, with help of __tmp_reg__
6198 or __zero_reg__ if necessary. Add T_LEN argument to pass the
6199 length of TEMPLATE in words, return total insn length in *LEN.
6200 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
6201 out_shift_with_cnt to work with the above change.
6202 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
6203 lshrsi3_out): Likewise. Optimize more known shift count cases.
6204 Remove cases already well optimized in out_shift_with_cnt.
6205 (avr_output_bld): New function.
6206 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
6207 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
6208 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
6209 Add reload_completed to insn condition - only for peepholes.
6210 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
6211 in a register or memory.
6212 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
6213 Do not require a scratch register.
6214 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
6215 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
6216 Optimize shifts by known count using a scratch register, but only
6217 if one is still available after register allocation.
6219 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6221 * t-vax: New file. Don't build modules from libgcc1.c.
6223 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
6225 * alias.c: (mark_constant_function): Don't check pure functions.
6226 Initialize and end alias analysis.
6227 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
6228 Don't make a special exception for recursion. Handle
6229 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
6230 unless it's volatile.
6232 * local-alloc.c (equivalence): New structure.
6233 (reg_equiv): Define.
6234 (contains_replace_regs): Remove array and use
6236 (memref_referenced_p): Likewise.
6237 (no_equiv): Likewise.
6238 (update_equiv_regs): Likewise.
6240 (equiv_init_varies_p,
6241 equiv_init_movable_p): New functions.
6242 (update_equiv_regs): Use them. Use rtx_varies_p
6243 instead of function_invariant_p. Process insns
6244 from end to beginning. Allow a REG_EQUIV insn
6245 within the same loop as a use to be moved, also
6246 allow it to be moved out of a loop. Update
6247 REG_DEAD notes when substituting into an insn.
6249 2000-10-19 Jim Wilson <wilson@cygnus.com>
6251 * c-decl.c (start_decl): Check for error_mark_node type before using
6253 (finish_decl): Likewise. Don't give an error if decl type is
6254 already error_mark_node.
6256 * haifa-sched.c (compute_trg_info): Add explanatory comments.
6257 New local update_blocks. Use update_blocks to remove duplicates
6258 when computing update blocks. Check for bblst_table overflow.
6259 (schedule_block): Add explanatory comment. Reduce bblst_size by
6261 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
6264 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6266 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
6268 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6270 * expmed.c: Minor corrections in comments.
6271 * invoke.texi: Added desciption for the new option -ftrapv.
6273 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6275 * libgcc2.c: Added the missing #endif.
6277 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6279 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
6281 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
6283 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
6284 Use smulv_optab for -ftrapv.
6285 (expand_mult_highpart): Use unsigned multiply.
6286 (expand_divmod): Special-case division by -1.
6287 For EXACT_DIV_EXPR, do right shift first, then the multiply.
6288 For complex divide, use abs with unsigned result.
6289 * expr.c (force_operand): Use unsigned multiply.
6290 (expand_expr): Use overflow-trapping optabs for signed types if
6292 If flag_trapv, don't generate a recursive call with EXPAND_SUM
6293 if the type is signed and the original call wasn't EXPAND_SUM or
6295 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
6296 (negv_optab, absv_optab): Declare.
6297 * flags.h (flag_trapv): Declare.
6298 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
6299 smulv_optab, sdivv_optab, negv_optab and absv_optab.
6300 (gen_insn): Interpret '$P' as requiring an integer mode,
6301 including partial integer modes.
6302 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
6303 (product_cheap_p): Use unsigned expand_mult.
6304 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
6305 (negv_optab, absv_optab): Define.
6306 (expand_binop): Use overflow-trapping optabs for signed types if
6308 Handle negv_optab libe neg_optab.
6309 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
6310 Use overflow-trapping optabs for signed result if flag_trapv.
6311 (expand_complex_abs): Use overflow-trapping optabs for signed types if
6313 Don't open-code complex absolute-value operation for flag_trapv.
6314 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
6315 sdivv_optab, negv_optab and absv_optab.
6316 * toplev.c (flag_trapv): Define.
6317 (lang_independent_options f_options): Include flag_trapv.
6318 * tree.h (TYPE_TRAP_SIGNED): Define.
6319 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
6320 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6322 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
6323 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
6325 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
6326 David V. Henkel-Wallace <gumby@cygnus.com>
6328 * config/i386/t-netware: Bring in from the Red Hat tree.
6329 * config/i386/netware.h: Likewise.
6330 * config/netware.h: Likewise.
6331 * config/rs6000/netware.h: Delete.
6332 * configure.in: Add i[34567]86-*-netware.
6333 * configure: Hand-edit to match configure.in change.
6335 2000-10-18 Mark Mitchell <mark@codesourcery.com>
6337 * c-common.h (flag_no_builtin): Declare.
6338 (flag_no_nonansi_builtin): Likewise.
6339 (c_common_nodes_and_builtins): Change prototype.
6340 * c-common.c (flag_no_builtin): New variable.
6341 (flag_no_nonansi_builtin): Likewise.
6342 (c_common_nodes_and_builtins): Remove parameters. Adjust
6344 * c-decl.c (flag_no_builtin): Remove.
6345 (flag_no_nonansi_builtin): Likewise.
6346 (init_decl_processing): Adjust call to
6347 c_common_nodes_and_builtins.
6349 2000-10-18 Marc Espie <espie@openbsd.org>
6351 * tm.texi (LIBGCC_SPEC): Synch with reality.
6353 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6355 * c-common.c (check_format_types): Check for writing through a
6356 NULL pointer argument.
6358 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
6360 * tm.texi (Exception Region Output): Document
6361 DWARF_CIE_DATA_ALIGNMENT.
6362 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
6364 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
6365 DWARF_CIE_DATA_ALIGNMENT.
6367 2000-10-18 Michael Hayes <mhayes@cygnus.com>
6369 * basic-block.h (struct loop): Delete fields pre_header_root
6370 and pre_header_trace and replace with pre_header_edges
6371 and num_pre_header_edges.
6372 * flow.c (flow_loop_dump): Dump pre_header_edges.
6373 (flow_loops_free): Free pre_header_edges.
6374 (flow_loop_pre_header_scan): Calculate pre_header_edges.
6376 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6378 * contrib.texi: Update references to steering committee members
6379 and Jeff Law's entry.
6381 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6383 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
6384 (maybe_read_dollar_number, check_format_info_main): Use them for
6385 pedantic warning messages.
6387 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6389 * c-common.c (check_format_info_main): Minor cleanup: move
6390 variables into inner scopes; initialize declarations where
6391 appropriate; don't hardcode "scanf" name on warning for zero
6394 2000-10-17 Mark Mitchell <mark@codesourcery.com>
6396 * c-common.c (back_end_hook): New variable.
6397 * c-common.h (back_end_hook): Declare it.
6398 * c-lang.c (finish_file): Use it.
6400 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
6403 2000-10-18 Jan Hubicka <jh@suse.cz>
6405 * i386.c (ix86_comparison_operator, put_condition_code,
6406 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
6407 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
6408 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
6409 * i386.md (adddi and negdi splitter): Use CCRCmode.
6410 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
6411 (subsi3_carry): add '*'
6412 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
6413 (cmp to add peep2): Use CCRCmode; swap operands.
6415 2000-10-18 Kazu Hirata <kazu@hxi.com>
6417 * h8300.c: Fix a comment typo.
6418 (round_frame_size): New.
6419 (compute_saved_regs): Likewise.
6422 (push_order): Remove.
6423 (pop_order): Likewise.
6424 (function_prologue): Rearrange code for readability.
6425 (function_epilogue): Likewise.
6427 * config/h8300/h8300.md: Remove an unnecessary sign_extend
6428 expander that is used when not optimizing. Output a tab after
6429 each assembly insns.
6431 * reorg.c: Fix formatting.
6433 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
6435 * reload1.c (move2add_note_store): Check for simple
6436 auto-inc in destination.
6438 2000-10-17 Michael Chastain <chastain@redhat.com>
6440 * config/i386/i386-aout.h: define INT_ASM_OP.
6442 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
6444 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
6446 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
6448 * i370.md: Fix spelling typo.
6450 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6452 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
6453 Fixes execute/20001017-1.c on powerpc-linux-gnu.
6455 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
6456 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
6459 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
6460 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
6462 * rs6000/aix.h: ...to here.
6463 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
6465 2000-10-17 Jakub Jelinek <jakub@redhat.com>
6467 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
6469 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
6470 sure linker can relax even the delay slot mov %g1,%o7, fix output
6473 2000-10-17 Kazu Hirata <kazu@hxi.com>
6475 * config/h8300/h8300.md: Remove an unnecessary zero_extend
6476 expander that is used when not optimizing. Output a tab after
6477 each assembly insns.
6479 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
6481 * gcc.c: New options --target-help.
6482 (process_command): Added code to parse this new option.
6483 * toplev.c (display_target_options): New function to support the
6485 * cppinit.c (new_pending_directive) : New option OPT_target__help.
6486 (cpp_handle_option): Support this new option.
6487 * invoke.texi: Added notes about --target-help option.
6489 2000-10-17 Graham Stott <grahams@redhat.com>
6491 * config/i386/i386.md (testqi_1): Add missing operand prefix
6493 * config/i386/i386-protos.h: Add missing prototype.
6495 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
6497 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
6498 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
6499 using -mintel-syntax.
6501 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6503 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
6504 (format_types): Use it for printf.
6505 (maybe_read_dollar_number): Add parameter for the kind of format
6506 involved. Warn for multiple use for arguments if this is
6507 inappropriate for the kind of format involved.
6508 (check_format_info_main): Update calls to maybe_read_dollar_number.
6510 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6512 * inclhack.def (hpux_maxint): Also apply fix to values.h.
6513 * fixincl.x: Rebuilt.
6515 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
6517 * genrecog.c (write_switch): Return the first condition that needs a
6520 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
6522 * c-tree.h (warn_sequence_point): Move declaration to...
6523 * c-common.h (warn_sequence_point): ... here.
6524 * c-decl.c (warn_sequence_point): Move definition to...
6525 * c-common.c (warn_sequence_point): ... here.
6526 (struct reverse_tree): New.
6527 (reverse_list, reverse_max_depth): New static variables.
6528 (build_reverse_tree, common_ancestor, modify_ok
6529 verify_sequence_points): New functions.
6530 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
6531 * c-typeck.c (check_modify_expr): Delete.
6532 (build_modify_expr): Don't call it.
6534 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6536 * c-common.h (warn_missing_format_attribute): New variable.
6537 * c-decl.c (warn_missing_format_attribute): New variable.
6538 (c_decode_option): Decode -Wmissing-format-attribute and
6539 -Wno-missing-format-attribute.
6540 * c-common.c (check_function_format): If
6541 -Wmissing-format-attribute, give a warning where a vprintf or
6542 vscanf function is called by a function without its own printf or
6544 * toplev.c (documented_lang_options): Add
6545 -Wmissing-format-attribute.
6546 * invoke.texi: Document -Wmissing-format-attribute.
6548 2000-10-17 Marc Espie <espie@openbsd.org>
6550 * invoke.texi (-shared): Insist on requiring code generation flags
6551 to be used along with -shared, and document the subtle failure that
6552 may occur otherwise.
6554 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6556 * pa.md (return_internal): Move `use' after `return'.
6558 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6560 * machmode.def: Correct comment.
6562 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
6564 * print-rtl.c (print_rtx_head): Constify.
6565 * rtl.h (print_rtx_head): Similarly.
6567 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
6568 Constify char * return value.
6570 (output_64bit_and, output_64bit_ior): Constify char * return value.
6571 (pa_can_combine_p): Make static.
6572 (function_arg): Decorate unused `named' argument. Fix comment typo.
6573 (function_arg_partial_nregs): Decorate unused `named' argument.
6575 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
6577 * c-common.c (format_check_results): New structure.
6578 (finish_dollar_format_checking): Adjust to take a
6579 format_check_results * parameter.
6580 (check_format_info, check_format_info_recurse,
6581 check_format_info_main): Split check_format_info into three
6582 functions, the main checking going in check_format_info_main.
6583 Recurse when any reduction of the format string argument towards a
6584 string literal is done; go down both branches of a conditional
6585 expression. Don't warn for extra format arguments or empty format
6586 strings if they only occur in some branches of a conditional
6589 2000-10-16 Kazu Hirata <kazu@hxi.com>
6591 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
6593 2000-10-16 Jakub Jelinek <jakub@redhat.com>
6595 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
6597 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
6599 * i386.md (*movsi_or): Switch operand order for intel syntax.
6601 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
6605 * gcc.texi (Contributing): Update.
6607 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
6609 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
6610 appropriate assembler dialect.
6612 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
6614 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
6616 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
6618 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
6619 constants 1 and 2 to NO_LD_REGS.
6621 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
6625 * objc/Make-lang.in (objc-parse.c): Likewise.
6627 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6629 * arm.c: Include obstack.h
6630 (minipool_obstack, minipool_startobj): Define.
6631 (arm_add_gc_roots): Initialize them.
6632 (create_fix_barrier): Use our new obstack.
6633 (push_minipool_barrier, push_minipool_fix): Likewise.
6634 (arm_reorg): Release obstack memory.
6636 2000-10-13 Jakub Jelinek <jakub@redhat.com>
6638 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
6639 (prologue, exception_receiver, builtin_setjmp_receiver): New
6641 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
6642 * config/sparc/sparc-protos.h (finalize_pic): Remove.
6643 (load_pic_register): New prototype.
6644 * config/sparc/sparc.c (pic_setup_code): Remove.
6645 (finalize_pic): Rename to...
6646 (load_pic_register): ...this function.
6647 Don't look for nonlocal_goto_receivers and emit pic setup code
6648 directly. Don't check current_function_uses_pic_offset_table.
6650 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6652 * tree.h (struct obstack): Declare.
6654 2000-10-12 Mark Mitchell <mark@codesourcery.com>
6657 * Makefile.in (ggc-callbacks.o): Remove target.
6658 (flow.o): Depend on GGC_H.
6659 * alias.c (init_alias_analysis):
6660 Remove ggc_p conditionals.
6661 (end_alias_analysis): Likewise.
6662 * basic-block.h (init_flow): New function.
6663 (allocate_reg_life_data): Declare.
6664 * bb-reorder.c (function_obstack): Replace with ...
6665 (flow_obstack): ... new variable.
6666 (fixup_reorder_chain): Use it.
6667 * c-decl.c (ggc_p): Remove.
6668 (caller-save.c): Don't call oballoc/obfree.
6670 undobuf): Remove storage.
6671 (try_combine): Don't call oballoc.
6672 (undo_all): Don't call obfree.
6673 * cse.c (insert): Use xmalloc, not
6675 (cse_main): Adjust accordingly.
6676 * dwarf2out.c (save_rtx): Remove
6678 (dwarf2out_init): Remove ggc_p conditionals.
6679 * emit-rtl.c (rtl_obstack): Remove.
6680 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
6681 (make_insn_raw): Likewise.
6682 (emit_insn_before): Likewise.
6683 (emit_insn_after): Likewise.
6684 (emit_insn): Likewise.
6685 (gen_sequence): Likewise.
6686 (copy_insn_1): Remove handling of `b' RTL components.
6687 (init_emit_once): Remove ggc_p conditionals.
6688 * except.c (create_rethrow_ref): Don't fool with obstacks.
6689 (add_partial_entry): Likewise.
6690 (call_get_eh_context): Likewise.
6691 (begin_protect_partials): Likewise.
6692 (protect_with_terminate): Likewise.
6694 (plus_constant_wide): Likewise.
6695 * expr.c (init_expr_once):
6697 (emit_block_move): Likewise.
6698 (clear_storage): Likewise.
6699 (expand_expr): Likewise.
6700 * flow.c (function_obstack): Remove.
6701 (flow_obstack): New variable.
6702 (flow_firstobj): Likewise.
6703 (create_base_block): Use the flow_obstack.
6704 (split_block): Likewise.
6705 (split_edge): Likewise.
6706 (calculate_global_regs_live): Likewise.
6707 (allocate_bb_life_data): Make it static. Likewiwse.
6708 (init_flow): New function.
6709 (size_int_type_wide): Remove ggc_p conditionals.
6711 (push_function_context_to): Don't call save_tree_status.
6712 (pop_function_context_from): Or restore_tree_status.
6713 (assign_stack_local_1): Don't call push_obstacks.
6714 (find_fixup_replacement): Use xmalloc.
6715 (fixup_var_refs_insns): Free the storage.
6716 (insns_for_mem_walk): Don't mess with obstacks.
6717 (instantiate_decls): Likewise.
6718 (trampoline_address): Likewise.
6719 (expand_function_end): Likewise.
6720 * function.h (sturct function):
6721 Remove obstack-related variables.
6722 (save_tree_status): Don't declare.
6723 (restore_tree_status): Likewise.
6724 * gcse.c (compute_can_copy):
6725 Don't call oballoc/obfree.
6726 * genattrtab.c (operate_exp): Remove
6728 (simplify_cond): Likewise.
6729 (simplify_test_exp): Don't mess with obstacks.
6730 (optimize_attrs): Likewise.
6731 * gengenrtl.c (gendef): Don't include
6733 * ggc-callbacks.c (ggc_p): Remove.
6734 * ggc-none.c (ggc_p): Remove.
6735 * ggc.h (ggc_p): Don't declare.
6736 * integrate.c (save_for_inline): Don't mess with obstacks.
6737 (integrate_decl_tree): Likewise.
6738 (output_inline_function): Likewise.
6740 (init_EXPR_INSN_LIST_cache): Likewise.
6741 * loop.c (temp_obstack):
6743 (rtl_obstack): Likewise.
6744 (init_loop): Don't mess with obstacks.
6745 (reg_address_cost): Free BIVs and GIVs.
6746 (check_insns_for_bivs): Use xmalloc, not oballoc.
6747 (find_mem_givs): Likewise.
6748 (record_biv): Likewise.
6749 (general_induction_var): Likewise.
6750 (product_cheap_p): Likewse.
6751 * optabs.c (init_one_libfunc): Remove
6753 * print-tree.c (debug_tree): Don't use
6755 (print_node): Likewise.
6756 * profile.c (output_func_start_profiler):
6757 Remove call to temporary_allocation.
6759 (eliminate_regs_in_insn): Don't mess with obstacks.
6761 (mark_target_live_regs): Use xmalloc.
6762 (free_resource_info): Free the memory.
6763 * rtl.c (rtl_obstack):
6765 (rtvec_alloc): Don't mess with obstacks.
6766 (rtx_alloc): Likewise.
6768 (copy_rtx): Don't handle `b' cases.
6769 (read_rtx): Use a local rtl_obstack.
6770 * rtl.h (oballoc): Remove.
6772 (pop_obstacks): Likewise.
6773 (push_obstacks): Likewise.
6774 (allocate_bb_life_data): Likewise.
6775 (allocate_reg_life_data): Likewise.
6776 (rtx_free): Likewise.
6777 * sdbout.c (sdbout_queue_anonymous_type):
6778 Use tree_cons, not saveable_tree_cons.
6780 (cselib_init): Don't mess with obstacks.
6782 (mark_block_nesting): Mark the label_chain.
6783 (epxand_label): Use ggc_alloc, not oballoc.
6784 (clear_last_expr): Don't mess with obstacks.
6785 (expand_decl_cleanup): Likewise.
6786 (expand_dcc_cleanup): Likewise.
6787 (expand_dhc_cleanup): Likewise.
6788 (expand_anon_union_decl): Likewise.
6789 (add_case_node): Use xmalloc, not oballoc.
6790 (free_case_nodes): New function.
6791 (expand_end_case): Call it.
6792 * stor-layout.c (layout_type): Don't
6794 (layout_type): Likewise.
6795 * toplev.c (wrapup_global_declarations):
6797 (compile_file): Remove ggc_p conditionals.
6798 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
6799 (decode_f_option): Remove ggc_p conditionals.
6801 (function_maybepermanent_obstack): Remove.
6802 (maybepermanent_obstack): Likewise.
6803 (function_obstack): Likewise.
6804 (tmeporary_obstack): Likewise.
6805 (momentary_obstack): Likewise.
6806 (temp_decl_obstack): Likewise.
6807 (saveable_obstack): Likewise.
6808 (rtl_obstack): Likewise.
6809 (current_obstack): Likewise.
6810 (expression_obstack): Likewise.
6811 (struct obstack_stack): Likewise.
6812 (obstack_stack): Likewise.
6813 (obstack_stack_obstack): Likewise.
6814 (maybepermanent_firstobj): Likewise.
6815 (temporary_firstobj): Likewise.
6816 (momentary_firstobj): Likewise.
6817 (temp_decl_firstobj): Likewise.
6818 (momentary_function_firstobj): Likewise.
6819 (all_types_permanent): Likewise.
6820 (struct momentary_level): Likewise.
6821 (momentary_stack): Likewise.
6822 (init_obstacks): Remove initialization of removed obstacks.
6823 (save_tree_status): Remove.
6824 (restore_tree_status): Likewise.
6825 (temporary_allocation): Liekwise.
6826 (end_temporary_allocation): Liekwise.
6827 (resume_temporary_allocation): Likewise.
6828 (saveable_allocation): Likewise.
6829 (push_obstacks): Likewise.
6830 (push_obstacks_nochange): Likewise.
6831 (pop_obstacks): Likewise.
6832 (allocation_temporary_p): Likewise.
6833 (permanent_allocation): Likewise.
6834 (preserve_data): Likewise.
6835 (preserve_initializer): Likewise.
6836 (rtl_in_current_obstack): Likewise.
6837 (rtl_in_saveable_obstack): Likewise.
6838 (oballoc): Likewise.
6840 (savealloc): Likewise.
6841 (expralloc): Likewise.
6842 (print_obstack_name): Likewise.
6843 (debug_obstack): Likewise.
6844 (object_permanent_p): Likewise.
6845 (push_momentary): Likewise.
6846 (perserve_momentary): Likewise.
6847 (clear_momentary): Likewise.
6848 (pop_momentary): Likewise.
6849 (pop_momentary_nofree): Likewise.
6850 (suspend_momentary): Likewise.
6851 (resume_momentary): Likewise.
6852 (make_node): Don't set TREE_PERMANENT.
6853 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
6854 Don't set TREE_PERMANENT.
6855 (get_identifier): Remove ggc_p conditionals.
6856 (build_string): Likewise.
6857 (make_tree_vec): Likewise.
6858 (build_decl_list): Remove.
6859 (build_expr_list): Likewise.
6860 (tree_cons): Remove ggc_p conditionals.
6861 (decl_tree_cons): Remove.
6862 (expr_tree_cons): Likewise.
6863 (perm_tree_cons): Likewise.
6864 (temp_tree_cons): Likewise.
6865 (saveable_tree_cons): Likewise.
6866 (build1): Remove ggc_p conditionals.
6867 (build_parse_node): Likewise.
6868 (build_type_attribute_variant): Don't mess with obstacks.
6869 (build_type_copy): Likewise.
6870 (type_hash_canon): Likewise.
6871 (build_pointer_type): Likewise.
6872 (build_reference_type): Likewise.
6873 (build_index_type): Likewise.
6874 (build_range_type): Likewise.
6875 (dump_tree_statistics): Don't print obstack information.
6877 (struct tree_common): Remove permanent_flag.
6878 (TREE_PERMANENT): Remove.
6879 (TREE_SET_PERMANENT): Likewise.
6880 (TYPE_OBSTACK): Likewise.
6881 (struct tree_type): Remove obstack.
6883 (savealloc): Likewise.
6884 (build_decl_list): Likewise.
6885 (build_expr_list): Likewise.
6886 (perm_tree_cons): Likewise.
6887 (temp_tree_cons): Likewise.
6888 (saveable_tree_cons): Likewise.
6889 (decl_tree_cons): Likewise.
6890 (expr_tree_cons): Likewise.
6891 (suspend_momentary): Likewise.
6892 (allocation_temporary_p): Likewise.
6893 (resume_momentary): Likewise.
6894 (push_obstacks_nochange): Likewise.
6895 (permanent_allocation): Likewise.
6896 (push_momentary): Likewise.
6897 (clear_momentary): Likewise.
6898 (pop_momentary): Likewise.
6899 (end_temporary_allocation): Likewise.
6900 (pop_obstacks): Likewise.
6901 (push_obstacks): Likewise.
6902 (pop_momentary_nofree): LIkewise.
6903 (preserve_momentary): Likewise.
6904 (saveable_allocation): Likewise.
6905 (temporary_allocation): Likewise.
6906 (resume_temporary_allocation): Likewise.
6907 (perserve_initializer): Likewise.
6908 (debug_obstack): Likewise.
6909 (rtl_in_current_obstack): Likewise.
6910 (rtl_in_saveable_obstack): Likewise.
6912 * varasm.c (current_obstack): Remove.
6913 (saveable_obstack): Remove.
6914 (rtl_obstack): Remove.
6915 (immed_double_const): Don't mess with obstacks.
6916 (immed_real_cons): Likewise.
6917 (output_constant_def): Likewise.
6918 (init_varasm_status): Use xcalloc.
6919 (mark_pool_constant): Mark the pool constant itself.
6920 (free_varasm_status): Free memory.
6921 (decode_rtx_const): Call bzero directly, rather than expanding it
6923 (record_rtx_const): Don't mess with obstacks.
6924 (force_const_mem): Likewise.
6925 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
6927 (aof_pic_entry): Likewise.
6928 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
6929 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
6930 * config/pa/pa.c (saveable_obstack): Remove.
6931 (rtl_obstack): Likewise.
6932 (current_obstack): Likewise.
6933 (output_call): Don't mess with obstacks.
6934 (hppa_encode_label): Remove ggc_p conditionals.
6935 * config/romp/romp.c (get_symref): Don't mess with obstacks.
6936 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
6937 (rs6000_encode_section_info): Likewise.
6938 * config/sh/sh.c (get_fpscr_rtx): Likewise.
6940 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
6942 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
6943 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
6944 (addsi3_carry): Canonicalize.
6945 (addqi_5): Remove '*'.
6946 (sbb pattern): Canonicalize.
6948 * i386.md (cmp to inc/add peep2): New.
6950 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
6952 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
6955 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6957 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
6958 * README.TRAD, TESTS.FLUNK: Remove.
6960 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6962 * c-common.c (decl_attributes): Don't allow strftime formats with
6963 first_arg_num nonzero.
6964 (check_format_info): Set wanted_type and wanted_type_name to zero
6965 before they are possibly assigned and used.
6967 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6969 * c-common.c (scanf_flag_specs): Add flags ' and I.
6970 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
6971 or the ^ and # flags together.
6972 (scan_char_table): Handle the ' and I flags.
6973 (format_types): Add ' and I flags for scanf.
6975 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6977 * c-common.c (print_char_table): Use the unpromoted type for
6978 lengths "h" and "hh" with conversions dioxXu.
6979 (check_format_types): Apply the default argument promotions where
6980 the wanted type is not a pointer target.
6982 2000-10-11 Michael Meeks <mmeeks@gnu.org>
6983 Joseph S. Myers <jsm28@cam.ac.uk>
6985 * c-typeck.c (check_modify_expr): New function.
6986 (build_modify_expr): Call it if warn_sequence_point.
6987 * c-decl.c (warn_sequence_point): New variable.
6988 (c_decode_option): Handle -Wsequence-point and
6989 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
6990 * c-tree.h (warn_sequence_point): Declare.
6991 * invoke.texi (-Wsequence-point): Document.
6992 * toplev.c (documented_lang_options): Add -Wsequence-point and
6993 -Wno-sequence-point.
6994 Original work by Michael Meeks, 16 Jun 1998.
6996 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6998 * tree.c (get_narrower): Don't look at precision of field if
7001 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
7003 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
7004 declaration for data with "progmem" attribute.
7006 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
7008 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
7009 Correct insn length if shift count is a memory operand.
7010 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
7011 (*iorhi3_clobber): Change lo8 to hi8.
7012 (zero_extendhisi2): Change %B0 to %A1.
7013 (ashlhi3, ashrhi3): Correct insn length.
7014 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
7015 from "clobber" to "set_n" in some alternatives.
7017 2000-10-10 Jakub Jelinek <jakub@redhat.com>
7019 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
7020 remove its insn_chain structure as well.
7022 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7024 * dbxout.c (dbxout_source_line): Remove extra tab.
7026 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
7028 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
7030 2000-10-09 Richard Henderson <rth@cygnus.com>
7032 * Makefile.in (LANG_LIB2FUNCS): Remove.
7033 (LIB2FUNCS): Remove _pure.
7034 (LIB2ADD): Remove LANG_LIB2FUNCS.
7035 (stage_a): Don't set LANG_LIB2FUNCS.
7036 * libgcc2.c (__terminate): Mark noreturn.
7037 (__pure_virtual): Remove.
7038 * mklibgcc.in: Remove LIB2ADD .txt processing.
7040 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7042 * arm.md (push_multi): Revert unintended change.
7044 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7046 * arm.c: Miscellaneous white space and comment clean-ups. No
7050 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7052 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
7053 STRING_CST by calling combine_strings.
7055 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7057 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
7058 (thumb_output_move_mem_multiple): Support new insn format.
7059 * arm.md (movmem12b): Use SSA compatible format.
7060 (movmem8b): Likewise.
7062 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7064 * arm.md (predicable): New attribute, default to "no".
7065 (all patterns): Mark as predicable if appropriate.
7066 (conditional execution splits): Split using predication format.
7067 (define_cond_exec): Define.
7068 * arm.c (arm_print_operand): handle insn predicate.
7070 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7072 * README.NS32K: Remove file.
7074 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7076 * README-bugs: Remove file.
7078 2000-10-08 Philipp Thomas <pthomas@suse.de>
7079 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
7081 * configure: Rebuilt.
7083 2000-10-08 Philipp Thomas <pthomas@suse.de>
7084 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
7085 disable catalog building if no suitable program was found.
7086 Move warning message from here
7087 (AM_GNU_GETTEXT): To here.
7088 * configure: Rebuilt.
7090 2000-10-08 Philipp Thomas <pthomas@suse.de>
7091 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
7092 different cache variables.
7093 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
7094 uses different cache variables.
7095 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
7096 * configure: Regenerated.
7098 2000-10-08 Richard Henderson <rth@cygnus.com>
7100 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
7101 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
7102 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
7105 * config/t-linux (SHLIB_EXT): New.
7106 (SHLIB_LINK): Use the entire build command, with substitutions.
7107 (SHLIB_LIBS): Remove.
7108 * config/alpha/t-osf4: Likewise.
7109 * config/mips/t-iris6: Likewise.
7110 * config/sparc/t-sol2: Likewise, but move shlib stuff...
7111 * config/sparc/t-slibgcc-sld: ...here.
7112 * config/sparc/t-slibgcc: New file.
7114 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7116 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
7117 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
7119 (intmax_type_node, uintmax_type_node): Define.
7120 * c-common.c (decl_attributes): If pedantic, warn if `mode'
7121 attributes create a type wider than intmax_t.
7122 (T_IM, T_UIM): Define properly.
7123 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
7125 (init_decl_processing): Initialize intmax_type_node and
7127 * c-lex.c (lex_number): When pedantic and warning for integer
7128 constants that are too large, in C99 mode warn for those that have
7129 a type wider than long long.
7131 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7133 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
7134 FMT_FLAG_FANCY_PERCENT_OK): Define.
7135 (format_char_info): Add flag "4" to comment.
7136 (format_flag_spec, format_flag_pair): New structures.
7137 (format_kind_info): Add additional fields to control format
7139 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
7140 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
7142 (time_char_table): Use "4" flag to handle %Ey.
7143 (format_types): Add entries for new fields.
7144 (get_flag_spec): New function.
7145 (check_format_info): Increase size of flag_chars[] to 256.
7146 Control format checking using the new fields of a format_kind_info
7147 and the new tables; remove all conditionals on printf_format_type,
7148 scanf_format_type or strftime_format_type. Handle all details of
7149 bad combinations of flags (including width, precision and strftime
7150 modifiers) through data rather than ad hoc code. Handle all
7151 details of standard versions in which flags appeared through
7152 data. Use the "4" flag.
7154 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
7156 * config/h8300/h8300.md: Remove the memory alternative and correct
7157 the insn lengths in the templates for sign extention and zero
7160 2000-10-07 Richard Henderson <rth@cygnus.com>
7162 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
7163 * flow.c (make_edges): Revert last change.
7165 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
7167 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
7169 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
7171 * config/alpha/elf.h: Standardize the formatting.
7173 2000-10-06 David O'Brien <obrien@FreeBSD.org>
7175 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
7178 2000-10-06 Richard Henderson <rth@cygnus.com>
7180 * function.c (diddle_return_value): Examine
7181 current_function_return_rtx instead of the DECL_RESULT.
7182 (expand_function_end): Handle reloading DECL_RESULT from memory
7183 into a hard register. Query promote_mode for sign of mismatched
7186 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7188 * haifa-sched.c (schedule_insns): Fix typo in freeing
7189 forward_dependency_cache.
7191 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7193 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
7194 `TARGET_SH2' as a condition.
7196 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7198 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
7199 forward_dependency_cache): New variables.
7200 (add_dependence, remove_dependence): Use anti_dependency_cache and
7201 output_dependency_cache.
7202 (compute_block_forward_dependences): Use forward_dependency_cache.
7203 (schedule_insns): Allocate and free memory for anti/output/forward
7204 dependencies caches.
7206 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7208 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
7209 `! TARGET_SH1'. Reindent.
7211 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7213 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
7214 Move functions from here ...
7216 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
7218 (c_expand_builtin): New function.
7219 (init_function_format_info): Don't set `check_function_format_ptr'.
7220 (c_common_nodes_and_builtins): Set built_in_class type for
7221 printf/__builtin_printf to BUILT_IN_FRONTEND.
7222 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
7224 * c-common.h (build_function_call): Declare.
7226 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
7227 to `lang_expand_expr' rather than `expand_builtin'.
7229 * tree.c (check_function_format_ptr): Delete.
7231 * tree.h (check_function_format_ptr): Likewise.
7233 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
7235 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
7236 DW_OP_bregx when cfa->reg > 31.
7238 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
7241 2000-10-05 Richard Henderson <rth@cygnus.com>
7243 * c-decl.c (warn_missing_noreturn): Remove.
7244 (c_expand_body): Don't set or check can_reach_end.
7245 * c-tree.h (warn_missing_noreturn): Move ...
7246 * flags.h: ... here.
7247 (can_reach_end): Remove.
7248 * flow.c (check_function_return_warnings): New.
7249 (make_edges): No edge to exit for noreturn sibcalls.
7250 * function.c (expand_function_end): Save the return value
7251 clobber instruction.
7252 (mark_function_status): Mark it.
7253 * function.h (struct function): Add x_clobber_return_insn.
7254 * jump.c (can_reach_end): Remove.
7255 (calculate_can_reach_end): Remove.
7256 (jump_optimize_1): Don't call it.
7257 * output.h (check_function_return_warnings): Declare.
7258 * toplev.c (warn_missing_noreturn): Move from c-decl.c
7259 (rest_of_compilation): Call check_function_return_warnings.
7261 2000-10-05 Richard Henderson <rth@cygnus.com>
7263 * Makefile.in (NM_FOR_TARGET): New.
7264 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
7265 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
7266 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
7267 shared library build on that and EXTRA_MULTILIB_PARTS.
7268 * mkmap-flat.awk: New file.
7269 * mkmap-symver.awk: New file.
7270 * libgcc-std.ver: New file.
7271 * config/libgcc-glibc.ver: New file.
7272 * config/ia64/libgcc-ia64.ver: New file.
7273 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7274 (SHLIB_LINK): Add --version-script.
7275 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
7276 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7277 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7278 (SHLIB_LINK): Add -M.
7280 2000-10-05 Richard Henderson <rth@cygnus.com>
7282 * Makefile.in (LIB2FUNCS): Add _clz.
7283 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
7284 (__clz_tab): Put in its own unit, non-static.
7285 * libgcc2.h: Always include longlong.h.
7287 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
7288 a zero instead of -1.
7289 (count_trailing_zeros): Likewise.
7291 2000-10-05 Richard Henderson <rth@cygnus.com>
7293 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
7294 when second op1 is const0_rtx. Validate op0 as a register.
7295 * config/alpha/alpha.md (setcc_internal): Don't allow constants
7296 in the first argument of the compare.
7297 (setcc_swapped_internal): Likewise.
7298 (setne_internal): Likewise.
7300 2000-10-05 Geoff Keating <geoffk@cygnus.com>
7302 * tree.c (tree_size): New function split out of copy_node.
7303 (make_node): Remove obstack handling. Use tree_size.
7304 (copy_node): Use tree_size.
7305 * tree.h: Prototype tree_size.
7307 2000-10-05 Richard Henderson <rth@cygnus.com>
7309 * diagnostic.c (output_format): Add missing break.
7311 2000-10-05 Jim Wilson <wilson@cygnus.com>
7313 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
7314 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
7315 sequence insn to INSN, and delete last sequence insn.
7317 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
7319 * gcc.c (main): Include generated configargs.h header
7320 and use arguments in '-v' output.
7322 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7324 * gcc.c: Move data on prefixes forward in file and reorganize.
7325 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
7326 Always define, but make null if no value.
7327 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
7328 and "md_startfile_prefix_1".
7329 (main): Check whether md_exec_prefix and the others are the
7330 null string rather than whether the macro is defined.
7332 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7334 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
7335 from PSImode to SImode.
7337 2000-10-05 Jakub Jelinek <jakub@redhat.com>
7339 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
7340 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
7341 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
7344 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7346 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
7347 negation in proper type.a
7349 2000-10-04 Richard Henderson <rth@cygnus.com>
7351 * configure.in (enable-shared): New.
7352 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
7353 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
7354 * mklibgcc.in: Use them to link shared a libgcc.
7355 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
7356 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
7357 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
7358 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
7360 * configure.in (alpha-osf*): Use t-osf and x-osf.
7361 * config/alpha/t-osf: New file.
7362 * config/alpha/t-osf4: New file.
7363 * config/alpha/x-osf: New file.
7364 * config/alpha/x-alpha: Remove file.
7366 2000-10-04 Will Cohen <wcohen@redhat.com>
7368 * c-typeck.c (process_init_element): Added warning for zero-length
7371 * extend.texi (Zero Length): State that static initializers for
7372 zero-length arrays are not allowed.
7374 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
7376 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
7379 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7381 * config/float-c4x.h: New.
7382 * configure.in (c4x-*): Set float_format to c4x.
7383 * configure: Regenerate.
7385 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7387 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
7388 compilation for solaris versions 2.7 and greater.
7390 2000-10-02 Marc Espie <espie@openbsd.org>
7392 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
7393 instead of redefining from scratch.
7395 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
7397 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
7399 2000-10-01 Mark Mitchell <mark@codesourcery.com>
7401 * config/ns32k/genix.h: Remove.
7402 * config/ns32k/x-genix: Likewise.
7403 * config/ns32k/xm-genix.h: Likewise.
7404 * config/fx80: Remove all filee in directory.
7405 * config/pyr: Likewise.
7406 * config/tahoe: Likewise.
7407 * config/gmicro: Likewise.
7408 * config/spur: Likewise.
7409 * configure.in: Remove configury bits for above targets.
7410 * configure: Regenerated.
7412 * configure.in: Don't configure chill by default.
7413 * configure: Regenerated.
7415 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
7416 (lang_mark_false_label_stack): Remove.
7417 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
7418 <top level> string in GC area.
7419 (mark_splay_tree_node): New function.
7420 (mark_splay_tree): Likewise.
7421 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
7423 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
7424 * ggc-common.c (lang_mark_false_label_stack): Change type.
7425 * ggc.h (ggc_alloc_string): Add comment.
7426 (ggc_strdup): New function.
7428 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
7430 * config/avr/avr.h (BRANCH_COST): Define as 0.
7432 * config/pdp11/pdp11.c: #include "tree.h" added.
7434 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
7436 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
7437 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
7438 with known shift count.
7439 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
7440 New alternative for shift count 2 with no scratch register.
7441 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
7442 "set_n" for shift counts 1 and 2.
7444 2000-09-30 Geoff Keating <geoffk@cygnus.com>
7446 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
7447 the mask value from the individual SET operations.
7448 (return_internal_si): Move the USE after the RETURN.
7449 (return_internal_di): Likewise.
7450 (return_and_restore_fpregs_si): Likewise.
7451 (return_and_restore_fpregs_di): Likewise.
7452 (return_eh_si): Likewise.
7453 (return_eh_di): Likewise.
7454 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
7456 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
7457 Don't generate a PARALLEL around a single operation movsi_to_cr.
7458 Generate the RETURN first in any PARALLELs.
7460 * rtlanal.c (single_set_1): Use fatal_insn to display the
7461 invalid insn. Check for more cases when a USE or CLOBBER occurs
7463 * Makefile.in: Update dependencies for rtlanal.o.
7465 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7467 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
7469 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7471 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
7472 Consistently use @email for formatting email addresses.
7474 2000-09-29 Richard Henderson <rth@cygnus.com>
7476 * cse.c (notreg_cost): New argument outer.
7477 (COST): Pass in SET to notreg_cost
7479 (fold_rtx): Use COST_IN. Prefer constants when costs
7482 2000-09-29 David Edelsohn <edelsohn@gnu.org>
7484 * fixinc/inclhack.def (broken_cabs): Generalize regex.
7485 * fixinc/fixincl.x: Regenerate.
7487 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7489 * loop.c (check_final_value): A GIV is not replaceable if used
7492 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
7494 * version.c: Bump to gcc-2.97.
7496 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
7498 * final.c (final_scan_insn): Remove extra extract_insn call;
7499 Use caching for constrain_operands.
7500 (cleanup_subreg_operands): Use caching for extract_insn.
7501 * recog.c (constrain_operands_cached): New.
7502 * recog.h (constrain_operands_cached): Declare.
7503 * i386.c (ix86_attr_length_immediate_default,
7504 ix86_attr_length_address_default, ix86_agi_dependant): Cache
7507 * recog.c (asm_noperands): Tweak.
7508 (extract_insn): Do not call asm_noperads for non-asm instructions.
7510 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
7512 * recog.c (recog_memoized): Rename to recog_memoized_1.
7513 * recog.h (recog_memoized): Rename to recog_memoized_1.
7514 (recog_memoized): New macro.
7515 * rtl.h (single_set): Rename to single_set_1
7516 (single_set): New macro.
7517 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
7520 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
7521 Do not use match_dup of input operands at outputs.
7522 Use register_operand for memory expression.
7523 (rep_movsi): Put use last, canonicalize.
7524 Use register_operand for memory expression.
7525 (rep_movqi): Put use last.
7526 Use register_operand for memory expression.
7527 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
7528 of input operands at outputs. Use register_operand for memory
7530 (rep_stossi): Put use last; canonicalize; fix match_dup in
7531 the address expression
7532 (rep_stosqi): Likewise.
7533 (memcmp expander): Update calls.
7534 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
7537 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
7539 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
7541 2000-09-28 David O'Brien <obrien@FreeBSD.org>
7543 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
7544 Contains the old contents of config/i386/freebsd.h
7545 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
7546 Contains the old contents of config/i386/freebsd-elf.h
7547 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
7548 config/i386/freebsd.h.
7549 * configure.in: Adjust for above changes.
7550 * po/POTFILES.in: Likewise.
7551 * po/en_GB.po: Likewise.
7552 * po/gcc.pot: Likewise.
7553 * configure: Rebuilt.
7555 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7557 * doloop.c (doloop_modify): Prevent delete_insn() from
7558 deleting too much. Prefer loop->top over loop->start as
7559 target for the new JUMP insn.
7560 (doloop_valid_p): Ignore loop with exit_count != 0.
7562 2000-09-28 Philipp Thomas <pthomas@suse.de>
7564 * invoke.texi (i386 Options): Add athlon to table of possible
7567 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
7569 * diagnostic.h (output_clear_message_text): New function.
7570 (output_message_text): New macro.
7572 * diagnostic.c (clear_text_info): Rename to
7573 output_clear_message_text.
7574 (output_clear): Adjust.
7575 (output_finish): Rename to output_finalize_message. Tweek.
7576 (output_to_stream): Adjust.
7578 2000-09-28 Neil Booth <neilb@earthling.net>
7580 * cpperror.c (_cpp_begin_message): Do the test for suppression
7581 of warnings and pedantic warnings before the "is a warning an
7583 * cppinit.c (cpp_handle_option): Remove surplus \n.
7584 * cpplex.c (ON_REST_ARG): Delete.
7585 (skip_block_comment): Initialise prevc.
7586 (parse_args): Improve error messages.
7587 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
7589 * cpplib.c (cpp_push_buffer): Fix grammar in message.
7590 * cppmain.c (main): Set callbacks for #ident and #pragma
7591 only if no_output option is false.
7592 (do_pragma_implementation): Only call the #pragma handler
7593 if it is set in the cpp_reader structure.
7595 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
7597 * integrate.c (copy_insn_list): if an ignored return value
7598 is being clobbered, skip cloning that into the inline copy.
7600 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
7602 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
7603 use @uref for formatting URLs.
7605 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
7607 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
7610 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
7612 * gcc.c (cpp_options): Add spec for -ftabstop=.
7613 (invoke_as): New spec that handles invoking as.
7614 Update specs to handle -save-temps and -traditional.
7615 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
7617 * cp/lang-specs.h, objc/lang-specs.h: Update to use
7618 invoke_as, and handle -save-temps and -traditional (if
7621 2000-09-26 Jakub Jelinek <jakub@redhat.com>
7623 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
7625 (function_arg_slotno): Accept TImode/CTImode.
7626 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
7629 2000-09-26 Michael Hayes <mhayes@cygnus.com>
7631 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
7634 2000-09-25 Jim Wilson <wilson@cygnus.com>
7636 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
7637 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
7638 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
7639 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
7641 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
7643 * cpplex.c (parse_args): Don't set VOID_REST flag.
7644 (CONTEXT_VARARGS): New flag.
7645 (maybe_paste_with_next): Set context earlier in loop. Use
7646 it. Do varargs test with CONTEXT_VARARGS flag.
7647 (push_arg_context): Set CONTEXT_VARARGS flag if we're
7648 pushing an argument context for a varargs argument.
7649 * cpplib.h (VOID_REST): Delete.
7650 * gcc.dg/cpp/vararg1.c: Add test case.
7652 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
7654 * flags.h: Declare warning flag warn_system_headers.
7655 * toplev.c: Define it.
7656 (W_options): Add option -Wsystem-headers.
7657 * diagnostic.c (count_error): Test warn_system_headers.
7658 * invoke.texi: Add description for -Wsystem-headers.
7659 * cpplib.h (cpp_options): New member warn_system_headers.
7660 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
7661 CPP_IN_SYSTEM_HEADER.
7662 * cpplib.c (do_import, do_pragma_once): Likewise.
7663 * cpperror.c (_cpp_begin_message): Test warn_system_headers
7664 and CPP_IN_SYSTEM_HEADER.
7665 * cppinit.c (handle_option): Recognize -Wsystem_headers.
7666 (print_help): Describe -Wsystem_headers.
7667 * cpplex.c (lex_line): Reorganize condition so that warnings
7668 about C++ comments in system headers can be enabled. Remove
7669 label do_line_comment.
7671 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
7673 * cpplex.c (save_comment): Only store the initial '/'
7675 (lex_token): Combine handling of the two comment types.
7676 Pass everything but the initial '/' to save_comment.
7678 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
7680 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
7681 _cpp_can_paste): New library-internal prototypes.
7682 * cpplex.c (dump_param_spelling, output_line_command,
7683 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
7684 cpp_printf, cpp_output_list): Move to cppoutput.c.
7685 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
7686 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
7688 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
7689 dump_param_spelling, output_line_command, cpp_scan_buffer,
7690 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
7692 * Makefile.in: Add cppoutput.c.
7693 * po/POTFILES.in: Add cppoutput.c.
7695 2000-09-25 Richard Henderson <rth@cygnus.com>
7697 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
7698 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
7699 split until after reload.
7700 (rotlsi3, rotldi3): New.
7702 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
7704 * diagnostic.c (output_last_position): Define.
7705 (set_real_maximum_length): Tweek.
7706 * diagnostic.h (output_last_position): Declare.
7708 2000-09-25 Kazu Hirata <kazu@hxi.com>
7710 * config/i386/i386.c: Fix formatting.
7712 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
7714 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
7715 UNITS_PER_WORD is small.
7717 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
7719 * c-common.c (format_char_info): Add flags2; update comments.
7720 (print_char_table, scan_char_table, time_char_table): Split some
7721 flags out into flags2.
7722 (check_format_info): Use flags2 for those flags, for identifying
7723 the initial character of a scanf scanset, and for identifying
7724 printf formats where the '0' flag is ignored with precision.
7726 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
7728 Changes below marked "here" add TABs on either or both sides,
7729 covering start of line, up to any operand for all noted .*ASM.*_OP
7730 definitions. All callers changed.
7731 * tm.texi: Make documented *_ASM.*_OP:s include spacing
7732 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
7733 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7734 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7735 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
7736 Fix typos in description for LONG_LONG_TYPE_SIZE and
7737 FINI_SECTION_ASM_OP.
7738 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
7739 why these defaults don't have leading spacing.
7740 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
7741 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7742 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
7743 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
7744 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
7745 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
7746 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
7747 * varasm.c (ASM_STABS_OP): Here.
7748 * xcoffout.h (ASM_STABS_OP): Here.
7749 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7750 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7751 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
7752 STRING_ASM_OP): Here.
7753 * config/freebsd.h (IDENT_ASM_OP): Here.
7754 * config/linux-aout.h (SET_ASM_OP): Here.
7755 * config/linux.h (SET_ASM_OP): Here.
7756 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7758 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7759 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
7760 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7761 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7763 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7764 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7765 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
7766 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7767 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
7768 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7769 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
7770 * config/a29k/udi.h (INT_ASM_OP): Here.
7771 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
7772 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7774 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
7775 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7776 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7777 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
7778 ASM_STABD_OP): Here.
7779 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
7780 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
7781 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7782 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
7783 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
7784 SIZE_ASM_OP, STRING_ASM_OP): Here.
7785 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
7786 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
7787 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
7788 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
7789 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
7790 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
7792 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7793 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
7794 * config/arm/coff.h (INT_ASM_OP): Here.
7795 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7796 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
7797 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
7798 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
7799 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7800 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7801 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
7802 STRING_ASM_OP): Here. Update documentation copy in comments.
7803 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
7804 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
7805 DATA_SECTION_ASM_OP): Here.
7806 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
7808 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
7809 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7810 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7811 BSS_SECTION_ASM_OP): Here.
7812 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7813 BSS_SECTION_ASM_OP): Here.
7814 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7816 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
7817 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7818 * config/h8300/h8300.h (ASM_WORD_OP): Here.
7819 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7820 BSS_SECTION_ASM_OP): Here.
7821 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
7822 * config/i386/bsd.h (ASM_BYTE_OP): Here.
7823 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
7824 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
7825 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
7827 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
7828 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
7830 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
7831 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7832 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
7833 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7835 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
7836 * config/i386/netbsd.h (INT_ASM_OP): Here.
7837 * config/i386/openbsd.h (INT_ASM_OP): Here.
7838 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
7839 IDENT_ASM_OP): Here.
7840 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
7841 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
7842 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
7843 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
7844 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
7845 SHARED_BSS_SECTION_ASM_OP): Here.
7846 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
7847 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7848 DATA_SECTION_ASM_OP): Here.
7849 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7850 CONST_SECTION_ASM_OP): Here.
7851 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
7852 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7853 BSS_SECTION_ASM_OP): Here.
7854 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
7855 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
7856 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
7857 BSS_ASM_OP): Here, but use trailing spaces.
7858 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7859 DATA_SECTION_ASM_OP): Here.
7860 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
7862 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
7863 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
7864 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7865 TDESC_SECTION_ASM_OP): Here.
7866 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
7867 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7868 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7870 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7871 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7872 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7873 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7874 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
7875 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
7876 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7877 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
7878 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
7879 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
7880 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7881 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7883 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7884 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7885 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
7886 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
7887 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
7888 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
7889 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
7890 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7891 GLOBAL_ASM_OP): Here.
7892 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
7893 BSS_SECTION_ASM_OP): Here.
7894 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
7895 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7896 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
7897 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
7899 * config/m68k/newsgas.h (SET_ASM_OP): Here.
7900 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
7901 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7902 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7903 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7904 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
7905 but use trailing spaces.
7906 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
7907 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
7908 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
7910 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7911 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7912 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7913 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7914 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7915 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
7916 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
7917 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
7918 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
7919 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
7920 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7921 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
7923 * config/m88k/openbsd.h (SET_ASM_OP): Here.
7924 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7925 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7926 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
7927 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
7928 DTORS_SECTION_ASM_OP): Here.
7929 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
7930 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7931 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
7932 BSS_SECTION_ASM_OP): Here.
7933 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
7934 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
7935 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
7936 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
7937 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
7938 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7939 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
7940 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
7942 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
7944 * config/mips/osfrose.h (SET_ASM_OP): Here.
7945 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
7946 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
7947 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
7948 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7950 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
7951 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
7952 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
7953 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
7954 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
7955 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7957 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7959 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
7960 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
7961 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
7963 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
7964 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
7965 * config/sparc/linux.h (COMMON_ASM_OP): Here.
7966 * config/sparc/linux64.h (COMMON_ASM_OP,
7967 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7968 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
7969 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7970 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
7971 * config/sparc/pbd.h (ASM_INT_OP): Here.
7972 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
7973 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7974 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
7975 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
7976 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
7977 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
7978 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
7979 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
7980 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
7981 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7982 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7983 EH_FRAME_SECTION_ASM_OP): Here.
7984 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
7985 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7987 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7989 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
7990 TCOMMON_ASM_OP): Here.
7991 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7993 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7996 2000-09-25 Richard Henderson <rth@cygnus.com>
7998 * expmed.c (store_bit_field): Adjust last change to not consider
7999 any word-sized field naturally aligned.
8001 2000-09-24 Richard Henderson <rth@cygnus.com>
8003 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
8004 TFmode unordered compares properly. Revalidate integer compare
8006 (alpha_emit_setcc): New.
8007 (alpha_emit_conditional_move): Revalidate integer compare operands.
8008 * config/alpha/alpha-protos.h: Update.
8009 * config/alpha/alpha.md (cmpdi): Allow general operands.
8010 (sne): Use alpha_emit_setcc.
8011 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
8012 (sunordered, sordered): New.
8014 2000-09-24 Richard Henderson <rth@cygnus.com>
8016 * config/ia64/ia64-protos.h: Update.
8017 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
8018 (ia64_expand_call): New.
8019 (ia64_expand_prologue): Emit an alloc if we need extra input
8021 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
8022 instruction if true.
8023 (struct reg_flags): Add is_sibcall.
8024 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
8025 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
8026 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
8027 * config/ia64/ia64.h (PREDICATE_CODES): Update.
8028 * config/ia64/ia64.md (call): Use ia64_expand_call.
8029 (call_value): Likewise.
8030 (sibcall, sibcall_value): New.
8031 (call patterns): Remove extra expanders; tidy.
8032 (sibcall_epilogue): New.
8033 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
8035 2000-09-24 Richard Henderson <rth@cygnus.com>
8037 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
8039 * sibcall.c (skip_pic_restore): New.
8040 (identify_call_return_value): Use it.
8042 2000-09-24 Mark Mitchell <mark@codesourcery.com>
8044 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
8045 functions. Generalize to handle both C and C++.
8046 * Makefile.in (c-tree.info): New target.
8047 (info): Add c-tree.info.
8049 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8051 * expr.c (store_field): If BITSIZE is negative, use size of type.
8052 (expand_expr, case COMPONENT_EXPR): Likewise.
8054 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
8056 * cpplex.c: Update TODO comment.
8057 * cpplib.c (do_error, do_warning): Merge common code of
8058 do_error and do_warning into do_diagnostic. Use it.
8059 (do_diagnostic): New function.
8060 * cpplib.h: Fix comment typo.
8062 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8064 * c-common.c (check_format_info): Warn for a wide character string
8065 used as a non-wide format argument.
8067 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8069 * builtins.def (BUILT_IN_LLABS): Add.
8070 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
8071 * c-common.c (c_common_nodes_builtins): Create builtin functions
8072 __builtin_llabs, and plain llabs unless no_nonansi_builtins
8073 outside of C99 mode.
8074 (expand_tree_builtin): Handle BUILT_IN_LLABS.
8076 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
8078 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
8079 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
8080 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
8081 _cpp_free_toklist): No need to worry about extra dummy token
8082 at the start of token lists any more.
8083 (trigraph_ok): Only warn outside comments.
8084 (skip_block_comment): Set and clear lexing_comment.
8085 (skip_line_comment): Take a cpp_reader not cpp_buffer.
8086 Set and clear lexing_comment.
8087 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
8088 (check_long_token): Delete.
8089 (lex_percent, lex_dot): New subroutines of lex_token to
8090 handle lexing of '.' and '%' without lookback.
8091 (lex_token): Use lex_dot and lex_percent.
8092 (lex_line): Don't check for LIST_OFFSET.
8093 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
8094 * cpplib.c (_cpp_parse_assertion): Similarly.
8095 (cpp_push_buffer): Initialize extra_char.
8096 * cpplib.h (LIST_OFFSET): Delete.
8097 (struct cpp_buffer): New member extra_char.
8098 (struct lexer_state): New members lexing_comment and seen_dot.
8100 2000-09-23 Jason Merrill <jason@redhat.com>
8102 * config/rs6000/x-aix41 (CLIB): Define here.
8103 * config/rs6000/t-aix43: Not here.
8104 * config/rs6000/t-aix41: Or here. Remove.
8105 * configure.in: Don't use it.
8107 2000-09-22 Jason Merrill <jason@redhat.com>
8109 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
8110 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
8111 * config.in: Regenerate.
8113 * configure.in: Fix checks for assembler features when using a
8114 one-tree assembler that has not yet been built.
8115 Fix --disable-threads.
8117 2000-09-19 Geoff Keating <geoffk@cygnus.com>
8119 * stmt.c (expand_asm_operands): Allow # in constraints.
8121 2000-09-22 Jason Merrill <jason@redhat.com>
8123 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
8125 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
8126 function-local names.
8128 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
8129 Mark Mitchell <mark@codesourcery.com>
8131 * toplev.c (warn_disabled_optimization): Declare new warning flag.
8132 * flags.h (warn_disabled_optimization): Add it here.
8133 * gcse.c (gcse_main): Add warning when disabled.
8134 * invoke.texi: Document -Wdisabled-optimization.
8136 2000-09-21 Jason Merrill <jason@redhat.com>
8138 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
8140 * dwarf2out.c (tree_add_const_value_attribute): New fn.
8141 (gen_variable_die): Call it for non-definitions.
8143 * dwarf2out.c (die_struct): Add die_mark field.
8144 (mark_dies, unmark_dies): New fns.
8145 (clear_die_sizes): Remove.
8146 (print_die): Check die_symbol rather than die_offset.
8147 (build_abbrev_table, output_pubnames, output_aranges): Check
8148 die_mark rather than die_offset.
8149 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
8152 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
8154 * cppfiles.c (lookup_include_file): Rename to open_file.
8155 Always create a splay tree value, even on syscall failures.
8156 Negative entries indicated by fd == -2.
8157 Re-open files closed in the meantime.
8158 (_cpp_fake_include): Create a negative splay tree entry.
8159 (find_include_file, cpp_read_file): Update for function name
8161 * gcc.gd/cpp/mi4.c: Testcase.
8163 2000-09-21 Nick Clifton <nickc@redhat.com>
8165 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
8166 ARM and THUMB modes.
8168 * config/mcore/mcore.c: Fix compile time warnings.
8169 * config/mcore/mcore-protos.h: Fix compile time warnings.
8171 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8173 * configure.in: Correct test of gcc_cv_glibc.
8174 * configure: Rebuilt.
8175 * config.in: Rebuilt.
8177 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8179 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
8180 (expand_builtin): Handle BUILT_IN_FWRITE.
8182 * builtins.def (BUILT_IN_FWRITE): New entry.
8184 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
8186 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8188 * gcc.c (modify_target): New variable and struct.
8189 (process_command): Handle MODIFY_TARGET_NAME.
8190 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
8191 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
8193 * c-decl.c (finish_decl): Add else's to avoid referencing
8194 TYPE_DOMAIN of an ERROR_MARK.
8196 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
8198 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
8201 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
8203 * config/avr/avr.md (neghi2): Add alternative for input and output
8204 operands in different registers, as in negsi2.
8205 (*negsi2): Remove '*' from the name. Use "movw" if available.
8207 2000-09-19 Jim Wilson <wilson@cygnus.com>
8209 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
8210 HAVE_GAS_HIDDEN macro.
8212 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
8214 * cpplex.c (lex_line): Drop the EOF token for unknown
8215 directives in assembler.
8217 2000-09-19 David Edelsohn <edelsohn@gnu.org>
8219 * configure.in: Allow enable_threads_flag value of "aix". Define
8220 thread_file as "aix" for AIX 4.3 and above.
8221 * configure: Regenerated.
8223 * gthr-aix.h: New file.
8225 * rs6000/t-aix43: Replace soft-float multilib with pthread.
8226 Remove 403 processor multilib match. Fix rios2 processor multilib
8229 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
8230 to return to appropriate csect.
8232 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8234 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
8236 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
8237 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
8240 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
8243 * c-common.c (init_function_format_info): Handle __builtin_printf.
8244 Set `check_function_format_ptr'.
8245 (c_common_nodes_and_builtins): Set `puts_ftype' and
8246 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
8247 __builtin_printf and printf.
8249 * tree.c, tree.h (check_function_format_ptr): Declare.
8251 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
8253 * cppfiles.c (read_include_file): Take no special action for
8256 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
8258 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
8259 rather than that of branch.
8260 (shorten_branches): Don't increment insn_current_address twice.
8262 Undo most of the Wed Jan 27 23:39:53 1999 patch:
8263 * loop.h (struct induction): Delete members derived, ix and last_use.
8264 (struct loop_ivs): Delete members first_increment_giv and
8266 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
8267 recombine_givs): Delete functions.
8268 (find_and_verify_loops): Don't initialize cont_dominator.
8269 (strength_reduce): Lose code to try to find bivs that can be
8270 expressed as givs of another biv, and to convert biv increments
8272 Lose loop_scan_start variable, always use loop->scan_start.
8273 Don't call recombine_givs. Don't handle derived givs.
8274 (record_giv): Don't initialize derived and last_use fields.
8275 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
8277 * unroll.c (derived_regs): Delete static variable.
8278 (unroll_loop): Don't initialize it.
8279 (copy_loop_body): Lose code to handle derived givs.
8280 (find_splittable_givs): Don't check for givs made from biv
8282 Don't set derived_regs.
8284 Fix misapplied earlier patch:
8285 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
8287 (floatsisf2): Generate floatsisf_ie by default.
8288 (floatsisf_i4): Conditional on TARGET_SH4.
8290 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
8291 predicate for the expanders.
8293 2000-09-19 Richard Henderson <rth@cygnus.com>
8295 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
8296 in addition to pentium and pentiumpro symbols.
8297 (CPP_CPU_DEFAULT_SPEC): Likewise.
8299 * c-typeck.c (c_expand_asm_operands): Restore the output tree
8302 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
8303 if the tree has side effects.
8304 (warn_if_unused_value): Do not warn about void constructs.
8306 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
8308 * unroll.c (copy_loop_body): Update LABEL_NUSES before
8309 calling invert_jump.
8311 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8313 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
8316 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8318 * Makefile.in (c-common.o): Depend on diagnostic.h.
8320 * c-common.c: Include diagnostic.h.
8322 (status_warning): New function.
8323 (check_format_info, maybe_read_dollar_number, check_format_types,
8324 finish_dollar_format_checking, check_function_format): Accept a
8325 `status' parameter. All callers changed.
8327 * c-common.h (check_function_format): Accept a `status' parameter.
8329 * c-typeck.c: Update call to `check_function_format'.
8331 2000-09-18 Richard Henderson <rth@cygnus.com>
8333 * c-decl.c (c_expand_body): Call mark_varargs before
8334 expand_function_start.
8336 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8338 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
8339 * config/rs6000/eabi-ci.asm: Likewise.
8341 2000-09-18 Richard Henderson <rth@cygnus.com>
8343 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
8346 2000-09-18 Jim Wilson <wilson@cygnus.com>
8348 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
8349 before passing it to fold_rtx_mult_add.
8351 * unroll.c (final_giv_value): Pass increment through
8352 extend_value_for_giv before passing it to emit_iv_add_mult.
8354 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
8355 paradoxical subreg, then directly substitute the replacement and
8358 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
8360 * cpp.texi: Update documentation, including some clarifications,
8361 the treatment of various newline combinations, and space between
8362 backslash and newline.
8364 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8366 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
8367 Replace ASM_OUTPUT_LABELREF with assemble_name.
8369 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8371 * sh.c (addsubcosts): CONST is not cheap.
8372 (find_barrier): For Sh1, take alignment after jumps into account.
8374 2000-09-15 Andrew Haley <aph@redhat.com>
8376 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
8377 remove all SETs of SUBREGs of hard registers.
8378 * function.c (purge_hard_subreg_sets): New function.
8379 (purge_single_hard_subreg_set): New function.
8380 * rtl.h: (purge_hard_subreg_sets): New function.
8382 2000-09-18 Richard Henderson <rth@cygnus.com>
8384 * config/ia64/ia64-protos.h: Update.
8385 * config/ia64/ia64.c (signed_inequality_operator): New.
8386 (ia64_expand_compare): New.
8387 (ia64_register_move_cost): Handle PR_REGS moves.
8388 (ia64_secondary_reload_class): Require a GR when moving to a PR.
8389 (struct reg_write_state): Add written_by_and/or.
8390 (struct reg_flags): Add is_and/or.
8391 (rws_update): Set them.
8392 (rws_access_regno): Test them to allow parallel comparisons.
8393 (rtx_needs_barrier): Recognize parallel comparisons.
8394 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
8395 Call recog_memoized; ignore pred_rel_mutex.
8396 (emit_predicate_relation_info): Don't call find_basic_blocks here.
8397 (ia64_reorg): Do it here instead.
8398 * config/ia64/ia64.h: s/CCmode/BImode/g
8399 (MODES_TIEABLE_P): Don't tie BImode.
8400 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
8401 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
8402 (RTX_COSTS): Make multiply 4 insns.
8403 (MEMORY_MOVE_COST): New.
8404 (PREDICATE_CODES): Update.
8405 * config/ia64/ia64.md: s/CCmode/BImode/g
8406 (movcci, movbi): New.
8407 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
8408 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
8409 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
8410 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
8411 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
8412 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
8413 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
8414 (mulsi, muldi): Use xmpy not xma.
8416 (movcc, movcc_internal): Remove.
8417 (branch expanders): Use ia64_expand_compare.
8418 (setcc expanders): Likewise.
8419 (cmov insns): Use move_operand and ia64_move_ok.
8420 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
8421 scheduler from moving it past a use.
8422 * config/ia64/build.hacks: Remove.
8424 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
8426 * cpphash.h (HASHSTEP): Take character rather than pointer
8428 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
8430 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
8432 * cpplex.c (auto_expand_name_space, trigraph_replace,
8433 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
8434 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
8435 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
8436 KNOWN_DIRECTIVE): Delete.
8438 (handle_newline, check_long_token, skip_escaped_newlines,
8439 unterminated): New functions.
8440 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
8442 (parse_identifier): Was parse_name, new implementation.
8443 (skip_line_comment, skip_block_comment, skip_whitespace,
8444 parse_number, parse_string, trigraph_ok, save_comment,
8445 adjust_column, _cpp_get_line): New implementations.
8447 (lex_token): New function. Lexes a token at a time, looking
8448 forwards. Contains most of the guts of the old lex_line.
8449 (lex_line): New implementation, using lex_token to obtain
8451 (cpp_scan_buffer): Use the token's line, not the list's line.
8453 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
8454 New implementations.
8455 (do_assert): Don't bother setting the answer's list's line.
8456 (cpp_push_buffer): Initialise new pfile and read_ahead members
8457 of struct cpp_buffer.
8459 * cpplib.h (cppchar_t): New typedef.
8460 (struct cpp_buffer): read_ahead, pfile and col_adjust are
8462 (struct lexer_state): New structure that determines the state
8463 and behaviour of the lexer.
8464 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
8465 (struct cpp_reader): New member "state". Rename
8466 multiline_string_line and multiline_string_column. Delete
8467 col_adjust, in_lex_line members.
8468 (CPP_BUF_COLUMN): Update.
8470 2000-09-18 Richard Henderson <rth@cygnus.com>
8472 * combine.c (simplify_comparison): Shift a NOT out of a single
8475 * combine.c (if_then_else_cond): Canonicalize BImode true to
8477 * explow.c (trunc_int_for_mode): Likewise.
8479 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
8480 the NOT for De Morgan's rule.
8481 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
8482 of a comparison to the reverse comparison.
8484 * combine.c (try_combine): Allow split to create a single insn.
8486 * machmode.def: Add BImode. Add a column for bitsize.
8487 * machmode.h (DEF_MACHMODE): Adjust for extra column.
8488 (GET_MODE_BITSIZE): Use it.
8489 * rtl.c (DEF_MACHMODE): Adjust for extra column.
8490 (mode_bitsize): New.
8491 (mode_mask_array): Use bitsize.
8492 * combine.c (combine_simplify_rtx): Require inner and outer
8493 modes to match on nonzero_bits optimizations.
8495 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8497 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
8498 its entry in spill_reg_store.
8499 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
8500 * sh.c (reg_no_subreg_operand): New function.
8501 * sh-protos.h (reg_no_subreg_operand): Declare it.
8502 * sh.h (PREDICATE_CODES): Add it.
8503 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
8504 input operand that needs to be in fpul.
8505 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
8506 * sh.c (find_barrier): Take into account that machine_dependent_reorg
8507 might add new insns.
8509 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
8511 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
8513 (sh_expand_epilogue): Take the PIC register into account when
8514 computing the frame size.
8516 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
8517 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
8518 LABEL_REFs with a PIC-safe unspec.
8520 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8522 * c-common.c (check_format_info): Properly save the argument
8523 number and parameter for $ operand number formats in case width
8524 and precision arguments are also used. Allow printf width and
8525 precision arguments to have operand numbers even if none was
8526 specified for the main format, since this is OK for %*.*m. Only
8527 object to missing $ operand number if the format used requires an
8530 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8532 * c-common.c (format_char_info): Add 'W' flag to comment.
8533 (print_char_table, scan_char_table): Use it.
8534 (check_format_info): Use the 'W' flag to determine whether a
8535 format argument is written into.
8537 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8539 * c-common.c (check_format_types): Reorganise and clean up,
8540 checking earlier for ERROR_MARKs and making cur_type into its
8541 TYPE_MAIN_VARIANT where convenient.
8543 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8545 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
8547 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8549 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
8551 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
8552 * i386.c (struct builtin_description): New.
8553 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
8554 (mmx_reg_operand): Declare MODE arg as unused.
8555 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
8556 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
8557 ix86_expand_binop_builtin, ix86_expand_store_builtin,
8558 ix86_init_builtins, ix86_expand_builtin): New functions.
8559 * i386.h (ix86_builtins): New enumeration.
8560 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
8561 * i386.md (attr length_immediate): 0 for mmx/sse types.
8562 (attr prefix_0f): 1 for mmx/sse types.
8563 (setcc_2): Remove "*" so we get gen_setcc_2.
8564 (emms): Account for changed register numbering. Set "memory" attr
8566 (sfence): Set "memory" attr to unknown.
8568 2000-09-18 Andreas Jaeger <aj@suse.de>
8570 * configure.in: Define _GNU_SOURCE only when using the GNU C
8572 * configure: Regenerated.
8573 * config.in: Regenerated.
8575 2000-09-17 Mark Mitchell <mark@codesourcery.com>
8577 * cppinit.c (cpp_init): Don't use ANSI prototypes.
8578 * flow.c (flow_dump_loop): Likewise.
8579 (flow_loops_dump): Likewise.
8581 * c-typeck.c (c_start_case): Fix typo.
8583 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8585 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
8586 to int for plain complex which defaults to complex double. Do
8587 warn about defaulting to complex double if pedantic. Warn about
8588 complex integer types if pedantic. Warn about complex types if
8589 pedantic and not in C99 mode.
8590 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
8591 for complex conjugation.
8593 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8595 * contrib.texi: Update my entry.
8597 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
8599 * config/avr/avr.md (mcu_enhanced): New attribute.
8600 (mcu_mega): Likewise.
8601 (extendhisi2): Use mcu_enhanced.
8602 (zero_extendhisi2): Likewise.
8603 (call_insn): Use mcu_enhanced and mcu_mega.
8604 (call_value_insn): Likewise.
8605 (*sbrx_branch): Use mcu_mega.
8606 (*sbrx_and_branchsi): Likewise.
8607 (*sbrx_and_branchhi): Likewise.
8608 (*tablejump_lib): Likewise.
8610 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8612 * alias.c (true_dependence): Allow non-unchanging read to conflict
8613 with unchanging write.
8615 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
8616 (store_constructor): Pass alias_set to it.
8618 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
8619 TYPE_MAIN_VARIANT of ERROR_MARK.
8620 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
8622 * simplify-rtx.c (simplify_unary_operation): Add cases
8623 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
8625 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
8627 * expr.h (emit_library_call, emit_library_call_value): Delete
8629 * rtl.h (enum libcall_type): New.
8630 (emit_library_call, emit_library_call_value): Change fn_type arg to
8631 be of type enum libcall_type.
8632 * calls.c: Likewise for the function definitions. Several callers
8633 throughout changed to use the new enumeration appropriately.
8634 (emit_library_call_value_1): Likewise. Put back code to make libcall
8635 blocks of equal form, but only use it for the two new higher
8638 2000-09-16 Mark Mitchell <mark@codesourcery.com>
8640 Convert the C front-end to use function-at-a-time mode.
8641 * c-common.h: Include splay-tree.h.
8642 (C_DECLARED_LABEL_FLAG): New macro.
8643 (struct language_function): Add x_scope_stmt_stack and
8644 x_function_name_declared_p.
8645 (RECHAIN_STMTS): Move definition.
8646 (lang_statment_code_p): Likewise.
8647 (lang_expand_stmt): Likewise.
8648 (lang_expand_decl_stmt): New variable.
8649 (lang_expand_function_end): Likewise.
8650 (current_scope_stmt_stack): New function.
8651 (add_decl_stmt): Likewise.
8652 (add_scope_stmt): Likewise.
8653 (mark_stmt_tree): Likewise.
8654 (struct c_lang_decl): New structure.
8655 (DECL_SAVED_TREE): Define.
8656 (c_mark_lang_decl): New function.
8657 (c_expand_start_cond): Change prototype.
8658 (c_finish_then): New function.
8659 (c_finish_else): Likewise.
8660 (current_function_name_declared): Remove.
8661 (set_current_function_name_declared): Likewise.
8662 (mark_c_language_function): Declare.
8663 (case_compare): Likewise.
8664 (c_add_case_label): Likewise.
8665 (c_expand_expr): Likewise.
8666 (c_safe_from_p): Likewise.
8667 * c-common.c (lang_expand_function_end): New variable.
8668 (struct if_elt): Add if_stmt.
8669 (c_expand_start_cond): Add the if-statement to the statement-tree,
8670 rather than generating RTL.
8671 (c_finish_then): New function.
8672 (c_expand_start_else): Don't generate RTL.
8673 (c_finish_else): New function.
8674 (c_expand_expr_stmt): Don't generate RTL.
8675 (statement_code_p): Add SCOPE_STMT.
8676 (case_compare): New function.
8677 (c_add_case_label): Likewise.
8678 (mark_stmt_tree): Likewise.
8679 (c_mark_lang_decl): Likewise.
8680 (mark_c_language_function): Likewise.
8681 (c_expand_expr): Likewise.
8682 (c_safe_from_p): Likewise.
8683 * c-decl.c (c_stmt_tree): New variable
8684 (c_scope_stmt_stack): Likewise.
8685 (c_function_name_declared_p): Likewise.
8686 (lang_expand_expr_stmt): Remove.
8687 (poplevel): Don't call output_inline_function for nested
8689 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
8691 (redeclaration_error_message): Change means of computing whether
8692 or not a function is nested.
8693 (lookup_label): Don't call label_rtx.
8694 (init_decl_processing): Add more GC roots.
8695 (start_decl): Add DECL_STMTs to the statement-tree, rather than
8696 calling rest_of_decl_compilation.
8697 (finish_decl): Don't call expand_decl.
8698 (store_parm_decls): Begin the statement-tree, but don't generate
8700 (finish_function): Tie off the statement-tree. Call c_expand_body
8702 (c_expand_body): New function.
8703 (push_c_function_context): Save more information.
8704 (pop_c_function_contxt): Likewise.
8705 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
8706 (lang_mark_tree): Mark it.
8707 (current_stmt_tree): Adjust.
8708 (current_scope_stmt_stack): New function.
8710 (set_current_name_declared): Likewise.
8711 (c_begin_compound_stmt): Define.
8712 (c_expand_decl_stmt): Likewise.
8713 * c-lang.c: Include rtl.h and expr.h.
8714 (lang_init): Set more language-specific hooks.
8715 * c-lex.c: Include expr.h.
8716 * c-parse.in: Changes throughout to add statements to the
8717 statement-tree, rather than generating RTL after every statement.
8718 * c-semantics.c (lang_expand_decl_stmt): Define.
8719 (add_decl_stmt): New function.
8720 (add_scope_stmt): Likewise.
8721 (finish_stmt_tree): Tweak.
8722 (genrtl_expr_stmt): Likewise.
8723 (genrtl_decl_stmt): Handle local labels, and call
8724 lang_expand_decl_stmt if required.
8725 (genrtl_for_stmt): Fix line-number handling.
8726 (genrtl_case_label): Handle cleanups.
8727 (genrtl_asm_stmt): Don't call combine_strings.
8728 (genrtl_compound_stmt): Simplify.
8729 (expand_stmt): Handle SCOPE_STMTs.
8730 * c-tree.h (struct lang_decl): New structure.
8731 (C_DECLARED_LABEL_FLAG): Remove.
8732 (c_begin_compound_stmt): Declare.
8733 (c_expand_decl_stmt): Likewise.
8734 (c_expand_start_case): Rename to c_start_case.
8735 (c_finish_case): New function.
8736 * c-typeck.c (start_init): Tweak setting of
8737 constructor_incremental.
8738 (c_expand_asm_operands): Tweak error-handling. Add to the
8740 (c_expand_return): Add to the statement-tree.
8741 (c_expand_start_case): Rename to ...
8742 (c_start_case): ... this.
8743 (struct c_switch): New type.
8744 (switch_stack): New variable.
8745 (do_case): Simplify.
8746 (c_finish_case): New function.
8747 * dependence.c: Include expr.h.
8748 (enum dependence_type): Change spelling of enumerals.
8749 (check_node_dependence): Adjust.
8750 * expr.h (lang_safe_from_p): Declare.
8751 (safe_from_p): Likewise.
8752 * expr.c (lang_safe_from_p): New variable.
8753 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
8754 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
8755 * toplev.c (rest_of_decl_compilation): Robustify.
8756 * tree.c (contains_placeholder_p): Likewise.
8757 * Makefile.in: Update dependencies.
8758 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
8759 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
8760 (objc_expand_function_end): New function.
8761 (finish_method_def): Use it.
8762 (init_objc): Initialize more language-specific hooks.
8763 * objc/Make-lang.in: Update dependencies.
8765 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
8767 * configure.in: Define macros that affect features before
8768 testing for features. Don't define _XOPEN_SOURCE.
8769 * configure: Regenerated.
8770 * config.in: Regenerated.
8772 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
8774 * rtlanal.c (rtx_varies_p): Volatile asms vary.
8775 (rtx_unstable_p): Restructure code. Volatile asms
8778 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8780 * function.h (no_debugging_symbols): New field.
8781 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
8782 Initialize no_debugging_symbols.
8783 (output_inline_function): Save and restore write_symbols and set from
8784 no_debugging_symbols.
8785 * toplev.c (rest_of_compilation): Call save_for_inline.
8786 * tree.h: Update comment.
8788 * stor-layout.c (place_field): Don't do anything if field or
8789 its type are ERROR_MARK.
8791 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
8793 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
8794 (read_include_file): Ensure inc->mmaped is initialized.
8796 2000-09-16 Richard Henderson <rth@cygnus.com>
8798 * cppiles.c (purge_cache): Use PTR not caddr_t.
8800 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
8802 * gcc.c: In description for %{<S}, say the option removed is -S.
8803 * invoke.texi (Spec Files): Ditto.
8805 2000-09-16 Andreas Jaeger <aj@suse.de>
8807 * configure.in: Always define _GNU_SOURCE to make interfaces
8808 visible that were hidden by only defining _GNU_SOURCE.
8809 * configure: Regenerated.
8811 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
8813 * cpplex.c (push_macro_context): Set an argument's level after
8814 calling parse_args. We could loop infinitely otherwise.
8816 2000-09-15 Tom Tromey <tromey@cygnus.com>
8818 * configure, config.in: Rebuilt.
8819 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
8821 2000-09-15 Greg McGary <greg@mcgary.org>
8823 * cppmacro.c (check_trad_stringification): Check token
8824 text pointers against limit before dereferencing.
8826 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
8828 * c-common.c (format_wanted_type): New structure.
8829 (check_format_types): New function.
8830 (check_format_info): Pass all checking of types of format
8831 arguments, including width and precision arguments, to this new
8834 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8836 * BUGS: Remove file.
8838 2000-09-15 Jakub Jelinek <jakub@redhat.com>
8840 * config/alpha/alpha.c (override_options): ev6 cache latencies
8841 from Richard Henderson. Don't allow -mmemory-latency=L0.
8843 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
8844 (TARGET_OPTIONS): Add tune=.
8845 (alpha_tune_string): Declare.
8846 * config/alpha/alpha.c (override_options): Add cpu_table.
8847 Use alpha_cpu_string first to set both alpha_cpu and target_flags
8848 and then alpha_tune_string to set alpha_cpu only.
8849 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
8850 * config/alpha/elf.h (ASM_FILE_START): Likewise.
8851 * config/alpha/osf.h (ASM_FILE_START): Likewise.
8852 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
8854 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8856 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
8858 (ix86_comparison_operator, ix86_cc_mode): Declare
8859 * i386.h (CCGC, CCGCO): New modes.
8860 (SELECT_CC_MODE): Move offline to ....
8861 * i386.c (ix86_cc_mode): .... here; use new modes.
8862 (ix86_comparison_operator): New.
8863 (fcmov_comparison_operator): Ensure proper mode.
8864 (put_condition_mode): More sanity checking.
8865 (ix86_match_ccmode): Handle new modes.
8866 (ix86_expand_fp_compare): GEU requires CCmode.
8867 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
8869 * i386.md (cmp?i_ccz_1): Remove
8870 (cmp?i_ccno_1): Use ix86_match_ccmode.
8871 (cmp?i_minus_1): New.
8872 (cmpsi_1): New expander.
8873 (cmpqi_ext_1): Use match_ccmode
8874 (cmpqi_ext_3): New expander.
8875 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
8876 (cmpqi_ext_4): Use match_ccmode.
8877 (add?i_?): Use match_ccmode.
8879 (test?i_ccz_1): Remove
8881 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
8882 (testqi_ext_0): Use ix86_match_ccmode.
8883 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
8884 (xorqi_cc_ext_1): New expander.
8885 (shift patterns): Use CCGOCmode for all shifts except for sar.
8886 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
8887 (setcc_3, jcc_3, miv?icc_c): Remove.
8889 2000-09-15 Will Cohen <wcohen@redhat.com>
8891 * dwarf2out.c (add_const_value_attribute): Changed array into a
8892 xmalloced object, so it exists after function exit.
8893 (free_AT): Added case for dw_val_class_float to free allocated
8896 2000-09-15 Kazu Hirata <kazu@hxi.com>
8898 * config/i386/i386.md: Fix a comment typo.
8899 * gcc.c: Fix formatting.
8901 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8903 * optabs.c (emit_libcall_block): If target is a user variable,
8904 copy to a temporary first.
8905 * expr.c (convert_move): When generating a libcall, make a libcall
8907 * calls.c (emit_library_call_value_1): Don't create a libcall
8908 sequence here; our caller will in most cases do it.
8910 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
8912 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
8913 * sh.md (reload_outsf): Generate recognizable patterns for
8915 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
8916 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
8917 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
8918 truncdfsf2_i4): Change not to use explicit references to fpul.
8919 (floatsisf2_ie): Remove USE of fpscr.
8920 (floatsisf2): Change default expansion to match this.
8921 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
8924 2000-09-15 Richard Henderson <rth@cygnus.com>
8926 * expmed.c (store_bit_field): Consider naturally aligned
8927 memory for direct reference.
8929 2000-09-15 Richard Henderson <rth@cygnus.com>
8931 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
8932 AND addresses into alias set 0.
8933 (alpha_expand_unaligned_store): Likewise.
8934 (alpha_expand_unaligned_load_words): Likewise.
8935 (alpha_expand_unaligned_store_words): Likewise.
8937 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8939 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
8940 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
8942 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
8943 rsize of UNITS_PER_WORD.
8945 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
8947 * cpplex.c (ON_REST_ARG): Correct the test.
8948 (maybe_paste_with_next): Duplicate a token that fail pasting,
8949 and clear its PASTE_LEFT flag, so that nested pasting attempts
8952 2000-09-14 Richard Henderson <rth@cygnus.com>
8954 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
8955 * cse.c (rtx_cost): Likewise.
8956 * optabls.c (expand_binop): Likewise.
8957 (expand_twoval_binop, prepare_cmp_insn): Likewise.
8958 * regclass.c (copy_cost): Likewise.
8959 * reload1.c (reload_cse_move2add): Likewise.
8961 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
8963 * c-parse.in (reswords): Add _Complex.
8965 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8967 * gcc.1: Delete documentation for -undef preprocessor option.
8969 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
8971 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8972 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
8973 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8974 Remove undefine before config/elfos.h.
8975 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
8977 2000-09-14 Kazu Hirata <kazu@hxi.com>
8979 * invoke.texi (H8/300 Options): Add -ms2600.
8980 * config/h8300.c (h8300_init_once): Output an error when -ms2600
8981 is used without -ms.
8982 * config/h8300.h (TARGET_MAC): New.
8983 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
8984 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
8985 machine other than H8/S2600.
8986 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
8989 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
8991 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
8992 pseudos that refer to the original pseudos, not only to their
8993 equivalent memory locations.
8995 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8997 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
8998 when making new MEM.
9000 * Makefile.in (LN): Remove duplicate definition.
9002 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9004 From Joern Rennecke:
9005 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
9006 on an insn and function_invariant_p returns nonzero for the source,
9007 add a REG_EQUAL note.
9009 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
9011 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
9012 conflict with frame_pointer_rtx.
9014 2000-09-13 Kazu Hirata <kazu@hxi.com>
9016 * loop.c: Fix formatting.
9019 2000-09-13 Richard Henderson <rth@cygnus.com>
9021 * config/ia64/ia64.md (divsf3): New.
9022 (divsf3_internal_lat, divsf3_internal_thr): New.
9023 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
9024 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
9025 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
9026 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
9027 (nmadddf4_alts, nmadddf4_trunc): New.
9028 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
9029 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
9030 (multf3_truncsf_alts, multf3_truncdf_alts): New.
9031 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
9032 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
9033 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
9034 (nmaddtf4_truncdf_alts): New.
9035 (recip_approx): Don't predicate.
9037 2000-09-13 Richard Henderson <rth@cygnus.com>
9039 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
9041 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9043 * flags.h (flag_dump_rtl_in_asm): Declare.
9044 * toplev.c (flag_dump_rtl_in_asm): Define.
9045 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
9046 if -dP is specified.
9047 * rtl.h (print_rtx_head): Declare.
9048 * print-rtl.c (print_rtx_head): Define.
9049 (print_rtx): Print the string pointed to by print_rtx_head
9050 at beginning of each dump line.
9051 (print_rtl): Likewise.
9052 (print_rtl_single): Likewise.
9053 * final.c (final_scan_insn): Dump the insn in the assembly
9055 * gcc.1: Document -dP option.
9056 * invoke.texi (Debugging Options): Likewise.
9058 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9060 * md.texi (Machine Constraints): Document the 68HC11 constraints.
9061 * install.texi (Configurations): Document the 68HC11&68HC12 port.
9062 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
9064 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
9066 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
9067 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
9068 (*clrstrqi): Likewise.
9069 (xorhi3,xorsi3,absqi2): Likewise.
9070 (one_cmplhi2,one_cmplsi2): Likewise.
9071 (addsi3): Two stupid constraint alternatives removed.
9072 (extendhisi2): Use `movw' for enhanced avr cores.
9073 (zero_extendhisi2): Likewise.
9075 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
9077 * alias.c (find_base_term): Use frame_pointer_rtx
9078 when handling an ADDRESSOF.
9080 * cse.c (canon_hash): Handle USE of BLKmode memory.
9081 (cse_insn): Outgoing arguments for a libcall don't
9082 affect any recorded expressions.
9084 2000-09-12 Tom Tromey <tromey@cygnus.com>
9086 * configure, config.in: Rebuilt.
9087 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
9089 2000-09-12 Jakub Jelinek <jakub@redhat.com>
9091 * c-lex.c (lex_string): Use charwidth to compute bytemask.
9092 * expr.c (expand_expr): Don't optimize constant array references
9093 initialized with wide string constants.
9095 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9097 * loop.c (note_set_pseudo_multiple_uses): Correct.
9099 2000-09-12 Jim Wilson <wilson@cygnus.com>
9101 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
9102 else block, and X has side-effects, then fail.
9104 2000-09-12 Greg McGary <greg@mcgary.org>
9106 * config/mips/mips-protos.h
9107 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
9108 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
9109 (PREDICATE_CODES): Add "trap_cmp_op".
9110 * config/mips/mips.c
9111 (trap_cmp_op, mips_gen_conditional_trap): New functions.
9112 * config/mips/mips.md (trap, conditional_trap): New patterns.
9114 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9116 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
9119 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9121 * builtins.c (built_in_decls): New array.
9122 (expand_builtin_fputs): New function.
9123 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
9125 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
9127 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
9129 * tree.h (built_in_decls): New array.
9131 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
9133 * convex.md: Use "+" instead of "=" for outputs wrapped in a
9135 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
9137 2000-09-12 Kazu Hirata <kazu@hxi.com>
9139 * haifa-sched.c: Fix formatting.
9141 * genattrtab.c: Fix formatting.
9143 * unroll.c: Fix formatting.
9145 2000-09-12 Bruce Korb <bkorb@gnu.org>
9147 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
9148 remove obsolete code
9149 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
9150 * fixinc/fixincl.tpl: make non-exported arrays static scope
9151 * fixinc/fixincl.x: regenerate
9152 * fixinc/fixlib.h: Use PARAMS, not _P_
9153 * fixinc/fixtests.c: make a type for the test proc & use it
9154 * fixinc/server.h: Use PARAMS, not _P_
9156 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9158 * c-typeck.c (process_init_element): Avoid union init warnings on
9159 floating point zero. Don't crash on unions containing structs.
9161 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
9163 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
9164 general_movsrc_operand, and remove CONST_INT from
9165 general_movdst_operand.
9167 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9169 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
9170 if a reference to non-fixed hardreg is seen. Otherwise, count hard
9171 regs with a higher cost.
9172 (preferrable): Deal with cases where either cost or regcost is
9174 (cse_insn): Use MAX_COST rather than 10000. Always initialize
9176 (COSTS_N_INSNS): Move definition...
9178 (MAX_COST): New macro.
9179 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
9182 2000-09-11 Mark Mitchell <mark@codesourcery.com>
9184 * c-common.h (genrtl_clear_out_block): Remove.
9185 * c-semantics.c (genrtl_clear_out_block): Remove.
9186 (genrtl_while_stmt): Don't call it.
9187 (genrtl_for_stmt): Likewise.
9189 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9191 * cppfiles.c: Move all default-#defines to top of file.
9192 (open_include_file): Replace by lookup_include_file.
9193 (read_with_read, read_file): Merged into read_include_file.
9194 (stack_include_file, purge_cache): New functions.
9195 (close_cached_fd): Delete.
9196 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
9197 Cache the in-memory buffer, not the file descriptor.
9199 * cpphash.h (struct include_file): Add buffer, st, refcnt,
9201 (xcnew): New utility macro.
9202 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
9203 * cpplib.h (struct cpp_buffer): Remove mapped field.
9205 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9207 * cpplex.c (parse_string): Accept backslash space newline as a
9209 (lex_line): Likewise.
9210 (_cpp_get_token): Remove hard limit on macro nesting.
9212 2000-09-12 Philipp Thomas <pthomas@suse.de>
9214 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
9215 * configure: Rebuilt.
9217 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9219 * flow.c (split_block): Fix update of registers live at
9222 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9224 * i386.md (add?i_3, add?i_5): New.
9225 (add?i_4): Rename from add?i_3; Fix compare pattern.
9226 (sub?i_3, xor?i_3, ior?i_3): New.
9228 * genrecog.c (write_tree): Output code to clear insn_extract cache.
9229 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
9230 instead of extract_insn and extract_constrain_insn_cache instead of
9231 extract_insn and constrain_operands.
9232 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
9234 (extract_insn): Clear which_alternative.
9235 (constrain_operands): Set which_alternative to -1 when failed.
9236 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
9239 2000-09-11 Matthew Hiller <hiller@redhat.com>
9241 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
9242 on operand 0 to '+'.
9243 (movstricthi): Likewise.
9245 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9247 * loop.h (LOOP_IVS): New macro.
9248 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
9249 (struct loop_ivs): New.
9250 (struct loop_info): Add ivs field.
9251 (reg_iv_type, reg_iv_info): Delete prototype.
9252 (reg_biv_class, loop_iv_list): Likewise.
9253 * loop.c (record_biv, find_life_end): Pass loop argument.
9254 (reg_iv_type): Remove global array and use
9255 field in loop_regs structure within loop_ivs structure.
9256 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
9257 (first_increment_giv, last_increment_giv): Use entry in
9259 (record_initial): Pass ivs pointer.
9260 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
9262 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9264 * loop.h (LOOP_REGS): New macro.
9265 (struct loop_regs): New.
9266 (struct loop_info): Add regs field.
9267 * loop.c (set_in_loop): Remove global array and store
9268 in loop_regs structure as part of loop_info structure.
9269 (n_times_set, may_not_optimize): Likewise.
9270 (reg_single_usage, moved_once): Likewise.
9271 (count_one_set): Add regs argument.
9272 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
9273 (set_pseudo_multiple_uses): Pass regs pointer.
9275 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9277 * unroll.c (iteration_info): Subsume into loop_iterations.
9278 * loop.h (loop_info): New field iv.
9280 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9282 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
9283 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
9284 (flow_loops_update): New prototype.
9285 (flow_loops_find): Add flags to prototype.
9286 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
9287 * flow.c (flow_loop_pre_header_scan): New.
9288 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
9289 (flow_loop_free): Free pre-header root and trace and exit dominators.
9290 (flow_loops_find): New argument flags.
9291 (flow_loops_update): New function.
9292 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
9294 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9296 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
9297 * flow.c (split_block, update_bb_for_insn): New functions.
9299 2000-09-11 Richard Henderson <rth@cygnus.com>
9301 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
9303 2000-09-11 Richard Henderson <rth@cygnus.com>
9305 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
9306 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
9307 (ia64_override_options): Prevent optimizing division for both
9308 latency and throughput.
9309 (rtx_needs_barrier): Handle frcpa.
9310 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
9311 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
9312 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
9313 (TARGET_SWITCHES): Add -minline-divide-min-latency and
9314 -minline-divide-max-throughput.
9315 (PREDICATE_CODES): Update.
9316 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
9317 (zero_extendsidi2): Likewise. Fix typo in f case insn.
9318 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
9319 (extendsftf2): Likewise.
9320 (extenddftf2): Likewise.
9321 (fix_trunctfdi2_alts): New.
9322 (fixuns_trunctfdi2_alts): New.
9323 (madd*4): Rename from madd*3.
9324 (divsi3, modsi3, udivsi3, umodsi3): New.
9325 (divsi3_internal): New.
9326 (divdi3, moddi3, udivdi3, umoddi3): New.
9327 (divdi3_internal_lat, divdi3_internal_thr): New.
9328 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
9329 (recip_approx): New.
9331 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
9333 * print-rtl.c (debug_call_placeholder_verbose): New variable.
9334 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
9336 * integrate.c (copy_rtx_and_substitute): Don't share
9337 LEAF_REG_REMAPpable registers with the inlined function. Don't
9338 share the function value with calling sequences.
9340 2000-09-11 Jakub Jelinek <jakub@redhat.com>
9342 * c-decl.c (do_case): Fix a typo.
9344 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
9345 to a if the comparison is floating mode and not -ffast-math.
9346 * simplify-rtx.c (simplify_ternary_operation): Likewise.
9348 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9350 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
9351 gen_ic_invalidate_line.
9353 2000-09-11 Philip Blundell <pb@futuretv.com>
9355 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
9357 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
9359 * install.texi (LANGUAGES): Update to include new languages.
9362 2000-09-11 DJ Delorie <dj@redhat.com>
9364 * gcc.c (main): Don't warn about unused -B prefixes
9365 (unused_prefix_warnings): remove
9367 2000-09-11 Kazu Hirata <kazu@hxi.com>
9369 * final.c: Fix formatting.
9371 * integrate.c: Fix formatting.
9373 2000-09-11 Geoff Keating <geoffk@cygnus.com>
9375 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
9377 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
9379 * reload.c (regno_clobbered_p): Fix thinko in previous change.
9381 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9383 * gcc.1: Document 68hc11 specific options.
9385 2000-09-10 Geoff Keating <geoffk@cygnus.com>
9387 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
9388 (TARGET_LONG_DOUBLE_128): Define.
9389 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
9390 (LONG_DOUBLE_TYPE_SIZE): Redefine.
9391 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9392 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
9393 of __LONG_DOUBLE_128__.
9394 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
9396 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
9397 (CPP_SYSV_DEFAULT_SPEC): Define.
9398 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
9399 (INIT_TARGET_OPTABS): Define.
9401 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
9402 (RS6000_UITRUNC): Likewise.
9403 (INIT_TARGET_OPTABS): New macro.
9404 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
9405 (trunc_defined): Delete.
9406 (output_prolog): Don't output .extern definitions for fp->int
9407 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
9408 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
9409 (trunc_defined): Delete.
9410 (RS6000_ITRUNC): Moved to aix.h.
9411 (RS6000_UITRUNC): Likewise.
9412 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
9413 only emit a libcall.
9414 (fixuns_truncdfsi2): Delete.
9415 (trunc_call): Delete.
9416 (trunc_call_rtl): Delete.
9418 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9420 * varasm.c (make_decl_rtl): Restore leading star on
9421 DECL_ASSEMBLER_NAME set for decls with an asmspec.
9423 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9425 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
9426 won't give a spurious error for '#pragma pack()'. Simplify
9427 control flow for readability. 'reset' action is not necessary.
9429 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9431 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
9432 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
9433 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
9434 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
9436 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
9437 profile.c, sdbout.c, tradcif.y, tree.c:
9438 Include defaults.h if not already included.
9439 Don't define the above macros.
9441 * Makefile.in: Update dependencies.
9443 2000-09-10 Mark Mitchell <mark@codesourcery.com>
9445 * c-common.h (add_stmt): Change prototype.
9446 (RECHAIN_STMTS): New macro.
9447 (CASE_LABEL_DECL): Likewise.
9448 (genrtl_case_label): Change prototype.
9449 (c_expand_start_case): Remove prototype.
9450 (build_case_label): Change prototype.
9451 (decl_constant_value): Declare.
9452 * c-common.c (check_case_value): Handle C++'s extensions to C
9454 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
9456 * c-parse.in (stmt): Adjust handling of return statements and case
9458 * c-semantics.c (add_stmt): Return the new statement.
9459 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
9460 returned expression. Directly generate RTL, rather than calling
9462 (genrtl_switch_stmt): Don't call c_expand_start_case.
9463 (build_case_label): Take the LABEL_DECL as input, too.
9464 (genrtl_case_label): Just call add_case_node.
9465 (expand_stmt): Adjust calls to genrtl_return_stmt and
9467 * c-tree.h (c_expand_start_case): Declare.
9468 * c-typeck.c (decl_constant_value): Give it external linkage.
9469 (c_expand_return): Don't call expand_return or expand_null_return;
9470 use genrtl_return_stmt instead.
9471 * stmt.c (struct nesting): Remove num_ranges field.
9472 (add_case_node): Give it external linkage.
9473 (expand_start_case): Don't set num_ranges.
9474 (expand_start_case_dummy): Don't clear it.
9475 (pushcase): Rely on add_case_node to handle `default' labels.
9476 (add_case_node): Handle `default' labels.
9477 * tree.c (tree_int_cst_compare): New function.
9478 * tree.h (tree_int_cst_compare): Declare.
9479 (add_case_node): Likewise.
9481 2000-09-10 Richard Henderson <rth@cygnus.com>
9483 * c-parse.in: Revert last change.
9484 (init_reswords): Do not enter disabled keywords into the ridpointers
9485 table, modulo objc weirdness.
9486 (_yylex): Return the canonical spelling for a keyword.
9488 2000-09-10 Philip Blundell <philb@gnu.org>
9490 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
9491 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
9493 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
9495 * alias.c (find_base_term): Handle ADDRESSOF.
9496 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
9498 2000-09-10 Denis Chertykov <denisc@overta.ru>
9500 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
9501 outputting templates with many lines.
9503 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9505 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
9506 to decide whether 64-bit support must be generated.
9508 2000-09-10 Richard Henderson <rth@cygnus.com>
9510 * c-parse.in (asm patterns): Fix volatile check.
9512 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9514 * cppmacro.c (check_trad_stringification): New function.
9515 (save_expansion): If -Wtraditional, warn about stringification of
9518 2000-09-11 Michael Hayes <mhayes@cygnus.com>
9520 * loop.h (struct loop_mem_info): Move from loop.c
9521 (struct loop_info): Add fields store_mems, mems, mems_idx,
9522 mems_allocated, unknown_address_altered,
9523 unknown_constant_address_altered, num_mem_sets, and
9524 first_loop_store_insn.
9526 * loop.c (loop_store_mems): Replace with field in loop_info struct.
9527 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
9528 (unknown_address_altered, unknown_constant_address_altered): Likewise.
9529 (num_mem_sets): Likewise.
9530 (replace_loop_mems, replace_loop_regs): New.
9531 (struct loop_replace_args): New.
9532 (load_mems): Use replace_loop_mems.
9533 (try_copy_prop): Use replace_loop_regs.
9534 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
9536 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9538 * configure.in: Recognize m6811-elf and m6812-elf.
9539 * configure: Regenerate.
9541 2000-09-09 Geoff Keating <geoffk@cygnus.com>
9543 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
9546 2000-09-10 Michael Hayes <mhayes@cygnus.com>
9548 * loop.c (struct movables): New.
9549 (num_movables): Move into struct movables.
9550 (the_movables): Change type to struct movables.
9551 (ignore_some_movables): Change struct movable arg to struct movables.
9552 (force_movables, combine_movables, regs_match_p): Likewise.
9553 (rtx_equal_for_loop_p, move_movables): Likewise.
9554 (scan_loop): Change movables to be of type struct movables.
9555 Replace last_movable with field in movables structure.
9557 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
9559 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
9560 (init_pragma): Avoid warning if pfile happens to be unused.
9561 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
9562 define init_pragma to nothing. Always prototype
9563 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
9565 * c-lex.c (process_directive): Always call dispatch_pragma.
9566 Initialize entering_c_header to 0.
9568 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9570 * config/m68hc11/m68hc11.md: New file, machine description for
9572 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
9573 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
9574 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
9575 * config/m68hc11/m68hc11-protos.h: New file.
9576 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
9577 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
9578 * config/m68hc11/xm-m68hc11.h: New file, target defs.
9579 * config/m68hc11/larith.asm: New file, libgcc routines.
9581 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9583 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
9584 (FPBIT_FUNCS): Add _usi_to_sf.
9585 * config/fp-bit.c (usi_to_float): New function.
9586 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
9587 (usi_to_float): Add appropriate #define.
9589 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9591 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
9593 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
9594 * i386.md (attr "type"): Add sse and mmx types.
9595 (attr "memory"): Handle them without a crash.
9596 (movsi_1, movdi_2): Allow MMX regs.
9597 (movdi splits): Don't split moves involving MMX regs.
9598 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
9599 (movv4sf_internal, movv4si_internal, movv8qi_internal,
9600 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
9601 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
9602 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
9603 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
9604 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
9605 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
9606 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
9607 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
9608 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
9609 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9610 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9611 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
9612 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
9613 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9614 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9615 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
9616 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
9617 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
9618 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
9619 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
9620 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9621 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9622 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
9623 mmx_clrdi): New patterns.
9625 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
9627 * arm.c: Don't include tm.h directly.
9629 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
9631 * recog.c (validate_replace_rtx_1): Fix confusion about equality
9632 testing; simplify subregs of constants and nested subregs.
9634 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
9636 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
9638 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9640 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
9642 * rtl.texi (description of USE): Add note about possible pitfalls
9644 From Richard Henderson:
9645 * reload1.c (choose_reload_regs): Compute need_mode properly.
9647 2000-09-07 Richard Henderson <rth@cygnus.com>
9649 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
9650 (__modsi3, __umodsi3): Likewise.
9651 (__udivsi3): Likewise. Normalize the TFmode values.
9653 2000-09-07 Geoff Keating <geoffk@cygnus.com>
9655 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
9657 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
9660 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9662 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
9663 (cmpeqdi_t): Add output pattern.
9664 (cmpeqdi_t+1): Don't split when not optimizing.
9665 Restore proper splitting operation.
9667 2000-09-07 Richard Henderson <rth@cygnus.com>
9669 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
9670 do not call dispatch_pragma.
9672 2000-09-07 Jim Wilson <wilson@cygnus.com>
9674 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
9675 to CLASS_CANNOT_CHANGE_MODE.
9676 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
9677 mode classes are different.
9679 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9681 * cpplib.h (struct cpp_options): Add user_label_prefix member,
9682 left out of commit which removed cppulp.c.
9684 2000-09-07 Richard Henderson <rth@cygnus.com>
9686 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
9687 after switch for CASE_DROPS_THROUGH.
9689 2000-09-07 Richard Henderson <rth@cygnus.com>
9691 * loop.c (strength_reduce): Call check_ext_dependant_givs.
9692 Properly extend the biv initial value for the giv.
9693 (record_biv): Zero ext_dependant.
9694 (record_giv): New argument ext_val. Update all callers.
9695 (general_induction_var): Likewise.
9696 (consec_sets_giv): Likewise.
9697 (simplify_giv_expr): Likewise. Fill in ext_val if we find
9698 a sign-extend, zero-extend, or truncate.
9699 (combine_givs_p): Make sure modes are compatible.
9700 (check_ext_dependant_givs): New.
9701 (extend_value_for_giv): New.
9702 * loop.h (struct induction): Add ext_dependant.
9703 * unroll.c (iteration_info): Extend the biv initial value for the giv.
9704 (find_splittable_givs): Likewise.
9705 (final_giv_value): Likewise.
9707 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9709 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
9710 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
9711 definitions from cpplib.h.
9712 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
9714 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
9715 documentation for REGISTER_TARGET_PRAGMAS.
9717 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
9718 default-pragma callback to implement -Wunknown-pragmas if
9720 * c-parse.in: Move all includes to top of file.
9721 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
9723 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
9725 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
9727 * arm.h, arm-protos.h, arm.c,
9728 c4x.h, c4x-protos.h, c4x.c,
9729 h8300.h, h8300-protos.h, h8300.c,
9730 i370.h, i370-protos.h, i370.c,
9731 i960.h, i960-protos.h, i960.c,
9732 sh.h, sh-protos.h, sh.c,
9733 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
9734 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
9736 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
9737 multiple include guard.
9738 * i370.md (untyped_call): Use GEN_CALL.
9739 (umodsi3): Remove unused variable.
9740 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
9741 * v850.c (output_move_single, output_move_double): Constify
9743 (print_operand): Constify a char *.
9744 * v850.h (struct small_memory_info): Constify name member.
9746 2000-09-07 Kazu Hirata <kazu@hxi.com>
9748 * config/h8300.h: Fix comment typos.
9749 * config/h8300/h8300.md: Likewise.
9750 * config/h8300/lib1funcs.asm: Likewise.
9752 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
9754 * Makefile.in: Remove references to cppulp.{c,o}.
9755 * cppinit.c (initialize_builtins, cpp_start_read,
9756 cpp_handle_option): Update to use cpp_options structure.
9759 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
9761 * c-common.c (time_char_table): Allow %#b and %#h.
9763 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9765 * reorg.c (find_end_label): If the basic block reorder pass moves the
9766 return insn to some other place try to locate it again and put our
9767 end_of_function_label there.
9768 * reorg.c (relax_delay_slots): Check if find_end_label created a
9769 new label that invalidates the current optimazation.
9771 2000-09-07 Catherine Moore <clm@redhat.com>
9773 * unroll.c (unroll_loop): Check for unconditional jumps
9774 to loop continuation. Delete if n_iterations is 1.
9775 (ujump_to_loop_cont): New routine.
9777 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
9779 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
9781 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
9782 to handle multiword modes correctly. All callers and the declaration
9785 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9787 * c-common.h (prep_stmt): Declare.
9788 (lang_expand_stmt): Likewise.
9789 * c-decl.c (lang_expand_stmt): Remove.
9790 * c-semantics.c (lang_expand_stmt): Define.
9791 (prep_stmt): New function.
9792 (expand_stmt): Handle common statement types here.
9794 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
9796 * configure.in (sh-*-linux*): Added.
9797 * configure: Rebuilt.
9798 * config/sh/t-linux: New file.
9799 * config/sh/sh.h (USERMODE_BIT): Define.
9800 (TARGET_USERMODE): Likewise.
9801 (TARGET_SWITCHES): New switches for the bits above.
9802 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
9803 * config/sh/linux.h: New file.
9804 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
9805 underscore on linux.
9806 (L_sdivsi3, L_udivsi3): Define for linux.
9807 (L_ic_invalidate): Define.
9808 * invoke.texi (SH Options): Document -musermode.
9810 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
9812 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
9813 CSE unless generating PIC.
9815 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
9818 2000-09-06 H.J. Lu (hjl@gnu.org)
9820 * Makefile.in (clean_s1): Depend on stage_b.
9821 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
9822 stage2. They are used for "make compare".
9824 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9826 Move statement-tree facilities from C++ to C front-end.
9827 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
9828 (void_zero_node): New macro.
9829 (struct stmt_tree_s): New type.
9830 (stmt_tree): New typedef.
9831 (struct language_function): New type.
9832 (last_tree): New macro.
9833 (last_expr_type): Likewise.
9834 (walk_tree_fn): New typedef.
9835 (current_stmt_tree): New function.
9836 (begin_stmt_tree): Likewise.
9837 (add_stmt): Likewise.
9838 (finish_stmt_tree): Likewise.
9839 (statement_code_p): Likewise.
9840 (lang_statement_code_p): New variable.
9841 (walk_stmt_tree): New function.
9842 (STMT_IS_FULL_EXPR_P): New macro.
9843 * c-common.c (lang_statement_code_p): New variable.
9844 (c_common_nodes_and_builtins): Initialize void_zero_node.
9845 (statement_code_p): New function.
9846 (walk_stmt_tree): Likewise.
9847 * c-decl.c (language_function): Rename to ...
9848 (c_language_function): ... this. Include language_function.
9849 (push_c_function_context): Adjust accordingly.
9850 (pop_c_function_context): Likewise.
9851 (mark_c_function_context): Likewise.
9852 (current_stmt_tree): Define.
9853 * c-semantics.c (begin_stmt_tree): New function.
9854 (add_stmt): Likewise.
9855 (prune_unused_decls): Likewise.
9856 (finish_stmt_tree): Likewise.
9858 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9860 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
9862 2000-09-06 Kazu Hirata <kazu@hxi.com>
9864 * calls.c: Fix formatting.
9866 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
9868 * config/i386/i386.h (ADDRESS_COST): Fix typo.
9870 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9872 Integrated preprocessor.
9874 * Makefile.in: Remove all references to c-parse.gperf,
9875 c-gperf.h, and c-parse.h. Remove -d from yacc command line
9876 generating c-parse.c. Update dependencies.
9877 * c-parse.gperf, c-gperf.h: Delete.
9879 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
9880 yy_lim, or yy_get_token. Don't define get_directive_line if
9882 * c-common.h: Add multiple include guard. Define RID values
9883 for every keyword in C, C++, and Objective C. Put all the
9885 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
9886 * c-decl.c (c_decode_option): Handle -lang-objc here.
9887 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
9888 (grokdeclarator): Adjust for new RID scheme.
9889 (extract_interface_info): New stub.
9890 * c-lang.c: Don't declare yy_cur or parse_options.
9891 (lang_init_options): Call cpp_init. Don't call
9893 (lang_init): Don't call check_newline if USE_CPPLIB.
9895 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
9896 Elide lots of unnecessary code if USE_CPPLIB. Delete code
9897 rendered unnecessary by new architecture. Move routines not
9898 shared with C++ to c-parse.in. Maintain a local idea of the
9899 line number. Handle C++ as well as C.
9900 [USE_CPPLIB]: Declare and register callbacks for #ident and
9901 for entering/leaving files.
9902 (init_c_lex, c_lex): Are now the entry points to this file.
9903 (check_newline): Break out directive handling to
9905 (read_ucs, is_extended_char, utf8_extend_token): Moved here
9907 (readescape, parse_float): Overhaul.
9908 (lex_number, lex_string, lex_charconst): Break out of c_lex
9910 (get_fileinfo, update_header_times, dump_one_header,
9911 dump_time_statistics): New and/or moved here from C++.
9912 Support per-file data needed by C++ and per-header timing
9913 statistics (C++ only, at the moment).
9914 * c-lex.h: Update prototypes. Add multiple include guard.
9915 * c-tree.h (struct lang_identifier): Add rid_code field.
9916 (C_IS_RESERVED_WORD, C_RID_CODE): New.
9918 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
9919 reinit_parse_for_function and/or position_after_white_space.
9920 (save_filename, save_lineno): Look ahead before saving.
9921 (label -> identifier ':'): Save file and line before shifting ':'.
9922 (reservedwords): No need to call get_identifier.
9923 (init_parse, finish_parse, yyerror, yylex, yyprint,
9924 make_pointer_declarator): Are now here for C/ObjC.
9925 (rid_to_yy): Conversion table from RID constants to Yacc codes.
9927 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
9928 #pragma registry. Provide dummy implementation of that
9929 interface if !USE_CPPLIB.
9930 * c-pragma.h: Update to match.
9932 * flags.h: Add multiple include guard.
9933 (flag_detailed_statistics): Moved here from C++.
9934 * toplev.c: Define flag_detailed_statistics.
9936 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
9938 * timevar.def (TV_CPP, TV_LEX): New.
9939 * timevar.h: Add multiple include guard.
9941 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
9943 * objc/objc-act.c: Don't mention yy_cur or parse_options.
9944 Initialize cpplib properly. Force lineno to 0 after first
9945 call to check_newline. Don't handle -lang-objc here.
9946 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
9948 2000-09-06 David Edelsohn <edelsohn@gnu.org>
9950 * rs6000.md: Correct function unit definitions for cr_logical and
9952 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
9953 and use portable method for >=0 and floating point >=. Remove
9954 associated matchers.
9956 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9958 * extend.texi: Mark named return value extension as deprecated.
9960 2000-09-06 Geoff Keating <geoffk@cygnus.com>
9962 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
9965 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
9967 * toplev.c (display_help): Fix thinko in documentation.
9969 * diagnostic.h (output_buffer::indent_skip): New fields.
9970 (output_indentation): New macro.
9972 * diagnostic.c (output_indent): New function.
9973 (output_set_prefix, clear_diagnostic_info): Use.
9974 (output_emit_prefix): Predict future indentation.
9976 2000-09-06 DJ Delorie <dj@redhat.com>
9978 * Makefile.in (stage_*): add more dependencies to ensure parallel
9979 builds build correctly
9981 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
9983 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
9984 not bootstrap-lean_f.
9986 2000-09-06 Andreas Schwab <schwab@suse.de>
9988 * mklibgcc.in: Emit rule for libgcc-stage-start.
9989 * Makefile.in (stage1-start, stage2-start, stage3-start,
9990 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
9992 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
9994 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
9995 (update_equiv_regs): Likewise, except for the mn10200 kludge.
9996 (combine_regs): Likewise.
9998 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
9999 * cse.c: Include "basic-block.h".
10000 (struct table_elt): New field REGCOST.
10001 (CHEAP_REG): Delete macro.
10002 (COST): Return 0 for REGs.
10003 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
10004 (notreg_cost): Return 0 for appropriate SUBREGs.
10005 (COSTS_N_INSNS): Return N * 2.
10006 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
10008 (CHEAPER): Use new function preferrable.
10009 (insert): Initialize REGCOST member.
10010 (find_best_addr): Use approx_reg_cost for estimation of register
10012 (cse_insn): Likewise.
10013 * loop.c (iv_add_mult_cost): New function.
10014 (add_cost, shift_cost, mult_cost): Delete variables.
10015 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
10016 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
10017 Make code that detects autoinc opportunities slightly less optimistic.
10018 (simplify_giv_expr): If expression contains other reg that is also a
10019 giv, only increment benefit if this is the only use of that reg.
10020 (consec_sets_giv): Take that change into account.
10021 (combine_givs): Slightly more verbose output.
10023 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
10024 not the cost of an equivalent shift.
10025 * sh-protos.h (addsubcosts): Declare.
10026 * sh.c (addsubcosts): New function.
10027 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
10028 (RTX_COSTS): Tweak. Use addsubcosts.
10029 (ADDRESS_COST): Return higher cost for reg+reg addressing.
10031 2000-09-06 Geoff Keating <geoffk@cygnus.com>
10033 * config/rs6000/rs6000.c (validate_condition_mode): New function.
10034 (branch_comparison_operator): Call validate_condition_mode to
10035 abort rather than returning 0.
10036 (branch_positive_comparison_operator): New function.
10037 (scc_comparison_operator): Call validate_condition_mode to abort
10038 rather than returning 0.
10039 (ccr_bit): Call validate_condition_mode. Update for
10041 (print_operand): Delete %C modifier. Update %E case
10042 to use EQ bit not SO bit.
10043 (rs6000_reverse_condition): New function.
10044 (rs6000_generate_compare): New function.
10045 (rs6000_emit_sCOND): New function.
10046 (rs6000_emit_cbranch): New function.
10047 (output_cbranch): The length of a long branch insn is
10048 now only 8 bytes. Add validate_condition_mode. Use
10049 rs6000_reverse_condition. Remove cror generation.
10051 * config/rs6000/rs6000.h: Update comments.
10052 (PREDICATE_CODES): Add new predicate. Update codes used
10053 by branch_comparison_operator and scc_comparison_operator.
10054 * config/rs6000/rs6000-protos.h: Add prototypes for
10055 new external functions.
10056 * config/rs6000/rs6000.md: Add new scheduling parameters
10057 for cr_logical instructions. Change length of branch
10059 (bCOND patterns): Call rs6000_emit_cbranch.
10060 (sCOND patterns): Call rs6000_emit_sCOND.
10061 (branch patterns): Change lengths to 4.
10062 (cr logical patterns): New.
10064 2000-09-06 Richard Henderson <rth@cygnus.com>
10066 * config/i386/i386.md (call_pop): Fix test for setting
10067 current_function_uses_pic_offset_table.
10068 (call, call_value_pop, call_value): Likewise.
10070 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
10072 * timevar.c (timevar_add): Delete.
10073 (timevar_get): Also count time since the selected timer was
10074 last updated. Do not examine the timevar stack if the
10075 selected timer is standalone.
10077 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10079 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
10081 2000-09-05 Jason Merrill <jason@redhat.com>
10083 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
10084 for 'extern' arrays.
10086 2000-09-05 Richard Henderson <rth@cygnus.com>
10088 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
10089 Eliminate final copy from non-trapping case.
10090 (__divdf3, __divsf3): Likewise.
10092 2000-09-05 Richard Henderson <rth@cygnus.com>
10094 * config/ia64/ia64.md (mulhi3): Fix typo last change.
10095 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
10097 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
10099 * Makefile.in: Restructure bootstrap stages to allow clean
10100 restart after failure.
10102 2000-09-05 Richard Henderson <rth@cygnus.com>
10104 * config/ia64.md (movsi and movdi patterns): Allow moves from
10105 8-bit constants to AR registers.
10107 2000-09-05 Richard Henderson <rth@cygnus.com>
10109 * config/ia64/ia64.md (mulhi3): New.
10111 2000-09-05 Richard Henderson <rth@cygnus.com>
10113 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
10114 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
10115 Optimization Guide, minimum latency alternative.
10116 (__moddi3, __udivdi3, __umoddi3): Likewise.
10117 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
10119 2000-09-05 Bruce Korb <bkorb@gnu.org>
10121 * fixinc/fixincl.c (load_file): always read header files
10122 with sizes that are a multiple of the page size.
10123 & use libiberty's getpagesize for determining that.
10125 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
10127 * gcse.c (hash_string_1): Add prototype.
10128 * cse.c (canon_hash_string): Likewise.
10130 2000-09-04 Craig Newell <CraigN@ieee.org>
10132 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
10134 2000-09-04 Andreas Schwab <schwab@suse.de>
10136 * Makefile.in (STAGESTUFF): Remove libgcc.
10137 (stage1-start, stage2-start, stage3-start): Copy the contents of
10138 the libgcc directory explicitly.
10139 (mostlyclean): Clean libgcc.
10141 2000-09-04 Andrew Haley <aph@redhat.com>
10143 * dwarf2out.c: (stack_adjust_offset): New prototype.
10145 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
10147 * combine.c (make_extraction): Fix rtx_cost comparison to
10150 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
10152 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
10153 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
10154 Add '*' to insn pattern name.
10156 2000-09-04 Jakub Jelinek <jakub@redhat.com>
10158 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
10159 use posn - 1 to index into tokens array.
10160 (maybe_paste_with_next): Adjust caller.
10162 2000-09-03 Geoff Keating <geoffk@cygnus.com>
10164 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
10166 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
10167 (REGNO_REG_CLASS): Use symbolic register
10170 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
10172 * arm.c (final_prescan_insn): If the form of a jump insn isn't
10173 recognized, don't try to conditionally execute it.
10175 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
10177 * config/avr/avr.md ("*tablejump_lib"): New pattern.
10178 (call_value_insn): Right length claculation.
10179 (call_insn): Likewise.
10181 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
10183 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
10184 gas_output_limited_string, gas_output_ascii, output_movqi,
10185 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
10186 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
10187 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
10188 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
10189 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
10190 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
10191 Add "const" as needed to remove warnings.
10193 * config/avr/avr.c (avr_override_options, avr_init_once,
10194 function_prologue, function_epilogue, frame_pointer_required_p,
10195 class_likely_spilled_p, order_regs_for_local_alloc,
10196 avr_address_cost, avr_ret_register): Use K&R style arguments.
10197 (initial_elimination_offset, gas_output_limited_string):
10198 Remove ATTRIBUTE_UNUSED from the used arguments.
10199 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
10200 Use local variables src, dest, base to access operands[].
10201 Rename reg_dest to reg_src if that's what it is.
10202 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
10203 constants to LD_REGS if reg_was_0.
10204 (output_reload_insisf): Change arg 3 to insn length and set it.
10205 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
10206 access to 16-bit I/O register pairs.
10207 (avr_address_cost): Lower cost for the above case.
10208 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
10209 may be clobbered, also for LD_REGS.
10210 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
10213 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
10215 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
10216 macro to test_hard_reg_class function.
10217 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
10218 for loading immediate constants to LD_REGS.
10219 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
10222 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
10224 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
10225 * config/avr/libgcc.S: Lost part of the previous patch.
10227 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10229 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
10230 object before calling pthread_mutex_init.
10232 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
10234 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
10235 config/sh/crtn.asm: New files.
10236 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
10237 (crt1.o, crti.o, crtn.o): New targets.
10238 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
10240 * configure: Rebuilt.
10241 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
10242 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
10243 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
10244 Undefine for config/elfos.h to redefine.
10245 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
10247 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10249 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
10250 legitimize_pic_address, output_pic_addr_const): Declare.
10251 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
10252 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
10253 (TARGET_SWITCHES): New switch -mprefergot.
10254 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
10255 (PIC_OFFSET_TABLE_REGNUM): Define.
10256 (GOT_SYMBOL_TABLE): Likewise.
10257 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
10258 (ENCODE_SECTION_INFO): Define.
10259 (FINALIZE_PIC): New macros.
10260 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
10261 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
10262 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
10263 (prepare_move_operands): Call emit_pic_move or
10264 emit_pic_const_move if appropriate.
10265 (output_far_jump): For PIC, use braf and output long offset.
10266 (machine_dependent_reorg):
10267 (sh_expand_prologue): Save and initialize the PIC register.
10268 (sh_expand_epilogue): Restore it.
10269 (initial_elimination_offset): Account for it.
10270 (nonpic_symbol_mentioned_p): New function.
10271 (legitimize_pic_address): Likewise.
10272 (output_pic_addr_const): Likewise.
10273 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
10274 (call, call_value): Use them.
10275 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
10276 symPLT_label2reg): New expands.
10277 * invoke.texi (SH Options): Document -mprefergot.
10279 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
10281 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
10282 * gcse.c (hash_string_1): New function.
10283 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
10284 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
10285 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
10286 (canon_hash_string): New function.
10287 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
10288 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
10289 (fold_rtx): Use ASM_OPERANDS accessor macros.
10290 * emit-rtl.c (copy_insn_1): Likewise.
10291 * integrate.c (copy_rtx_and_substitute): Likewise.
10292 * stmt.c (expand_asm_operands): Likewise. Give an
10293 ASM_OPERANDS rtx the mode of the output reg being set from it.
10295 2000-09-01 Fred Fish <fnf@be.com>
10297 * fix-header.c (write_rbrac): Add putc and getc to list of
10298 functions to protect against prior definition as a macro.
10300 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
10302 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
10303 (c_size_type_node): Define.
10304 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
10305 * c-common.c (enum format_lengths, enum format_std_version,
10306 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
10307 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
10308 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
10309 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
10310 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
10311 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
10312 format_types): Define.
10313 (format_char_info, print_char_table, scan_char_table,
10314 time_char_table): Rearrange for new organization of information
10315 about format length modifiers and standard versions.
10316 (T_ST): Redefine to use c_size_type_node.
10317 (check_format_info): Obtain information about length modifiers and
10318 standard versions from tables. Adjust warning message wordings.
10319 Use the name from the user's program for `ll' and `hh' length
10320 modifiers in warning messages. Use more informative names for
10321 wanted types where available (for wchar_t, wint_t, size_t, signed
10322 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
10324 2000-09-01 Jim Wilson <wilson@cygnus.com>
10326 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
10327 * combine.c (distribute_notes): Handle REG_NORETURN.
10328 * rtl.c (reg_note_name): Add REG_NORETURN.
10329 * rtl.h (enum reg_note): Likewise.
10331 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
10333 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
10334 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
10335 (emit_predicate_relation_info): Handle conditional calls with
10337 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
10338 instead of ia64_file_start.
10339 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
10340 * config/ia64/ia64.md (safe_across_calls_all,
10341 save_across_calls_normal): New patterns.
10343 * loop.c (check_final_value): Check for biv use before checking for
10344 giv use. Check for both biv and giv uses. Always set last_giv_use
10345 if there is a giv use.
10347 2000-09-01 Richard Henderson <rth@cygnus.com>
10349 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
10350 (madddi3): Likewise.
10353 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10355 * expr.c (clear_storage): Don't use emit_move_insn unless
10356 either BLKmode or proper size.
10357 (store_constructor): Don't call clear_storage if REG of wrong size.
10359 * flow.c (init_propagate_block_info): Don't mark frame dead at end
10360 of function if returns wiht stack pointer depressed.
10362 2000-09-01 Andrew Haley <aph@redhat.com>
10364 * dwarf2out.c (stack_adjust_offset): New function.
10365 (dwarf2out_stack_adjust): Break out stack adjust logic into
10366 new stack_adjust_offset function. Look inside parallels and
10367 sequences for stack adjustments.
10369 2000-08-31 Jeff Law <law@cygnus.com>
10371 * arm.md: Use no_new_pseudos to determine when it is safe
10372 to create new pseudo registers.
10374 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
10375 when we can safely allocate new registers.
10377 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
10379 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
10380 so that CONCATs are not generated for ASMs.
10381 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
10382 not generating_concat_p.
10383 * function.c (pop_function_context_from): Reset
10384 generating_concat_p.
10385 (prepare_function_start): Likewise.
10386 * rtl.c (generating_concat_p): Define.
10387 * rtl.h (generating_concat_p): Declare.
10388 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
10390 2000-08-22 Philipp Thomas <pthomas@suse.de>
10391 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
10393 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
10396 2000-08-30 Greg McGary <greg@mcgary.org>
10398 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
10399 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
10400 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
10402 2000-08-30 Greg McGary <greg@mcgary.org>
10404 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
10405 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
10406 (TREE_INT_CST): New macro.
10407 * varasm.c (const_hash, compare_constant_1, record_constant_1):
10408 Use new macro TREE_INT_CST.
10410 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
10412 * contrib.texi: Add self.
10414 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
10416 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
10417 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
10420 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10422 * fixinc/gnu-regex.c: Don't define `const'.
10424 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10426 * expr.c (store_constructor): Allow variable bounds of array type.
10427 (expand_expr): Don't blow up if type is ERROR_MARK.
10428 * varasm.c (output_constructor): Don't access lower bound of array
10429 type unless need it if index is supplied (so it can be a variable
10430 if no index is supplied).
10431 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
10432 Other minor cleanups.
10434 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10436 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
10437 for compilations in stage 1 and subsequent stages, respectively.
10438 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
10439 * configure: Rebuilt.
10440 * x-vax, x-vax-gcc: Deleted.
10442 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10444 * c-common.c (declare_function_name): Use func_id_node,
10445 function_id_node, and pretty_function_id_node. Do not make
10446 __func__ visible at file scope.
10447 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
10448 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
10449 (function_id_node, pretty_function_id_node, func_id_node): New
10451 * c-decl.c (init_decl_processing): Initialize function_id_node,
10452 pretty_function_id_node, and func_id_node.
10453 (c_make_fname_decl): Correct comment.
10455 * tree.h (struct tree_identifier): Constify pointer member.
10457 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
10458 * c-pragma.h (struct weak_syms): Constify name and value members.
10459 (add_weak): Constify arguments.
10461 * calls.c (special_function_p): Constify a char *.
10462 (expand_call): Remove variable which is initialized and then
10464 * dependence.c (struct def_use, struct induction, struct subscript):
10465 Constify 'variable' member.
10466 (get_low_bound, have_induction_variable): Constify char * argument.
10467 (find_induction_variable): Add braces to avoid dangling else.
10468 (classify_dependence): Constify char * arrays.
10469 * profile.c (output_func_start_profiler): Constify a char *.
10470 * stor-layout.c (finalize_record_size): Constify a char *.
10471 * tree.c (is_attribute_p): Constify a char *.
10472 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
10474 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
10475 for comprehensibility. Do not call get_identifier if we did
10476 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
10477 create temporary string constants, not ggc_alloc_string. No
10478 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
10479 char * to hold IDENTIFIER_POINTERs.
10481 2000-08-29 Richard Henderson <rth@cygnus.com>
10483 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
10486 2000-08-29 Richard Henderson <rth@cygnus.com>
10488 * reload.c (push_secondary_reload): Allow class == reload_class
10489 if we're using a reload_in/out pattern.
10491 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
10492 the half that does not conflict with the reload register.
10493 (reload_outti): Likewise.
10495 2000-08-29 Kazu Hirata <kazu@hxi.com>
10497 * reload.c: Fix formatting.
10499 * stmt.c: Fix formatting.
10501 * gcc.c: Fix formatting.
10503 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10505 * flags.h (time_report, mem_report): New global flags.
10506 * toplev.c: Define time_report and mem_report.
10507 (f_options): Add -ftime-report and -fmem-report.
10508 (compile_file): Turn on time_report if quiet_flag is off.
10509 Call ggc_print_statistics at very end if mem_report is on.
10510 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
10512 * ggc-common.c (ggc_print_statistics): Rename to
10513 ggc_print_common_statistics; all callers changed. Scale
10514 quantities above 10K to kilobytes and above 10M to megabytes.
10515 * ggc-page.c (ggc_page_print_statistics): Rename to
10516 ggc_print_statistics. Report memory consumed by internal data
10517 structures for each allocation bucket. Scale quantities above
10518 10K to kilobytes and above 10M to megabytes.
10519 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
10520 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
10521 Define tally_leaves always.
10522 (ggc_print_statistics): New function.
10523 * ggc.h: Adjust for renamed functions.
10525 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
10527 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
10528 output_movsisf instead of which_alternative.
10530 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
10532 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
10534 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
10535 (avr_progmem_p): New prototype.
10536 (output_movsisf): Prototype declaration changed.
10537 (output_movqi): New prototype.
10538 (output_movhi): New prototype.
10539 (call_insn_operand): Likewise.
10540 (final_prescan_insn): Likewise.
10541 (avr_simplify_comparision_p): Likewise.
10542 (avr_normalize_condition): Likewise.
10543 (compare_eq_p): Likewise.
10544 (out_shift_with_cnt): Likewise.
10545 (const_int_pow2_p): Likewise.
10546 (output_reload_inhi): Prototype declaration changed.
10548 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
10549 (ldi_reg_rtx): New. rtx for r31.
10550 (avr_init_stack): Initialize as "__stack".
10551 (function_prologue): Use it.
10552 Replace all TARGET_ENHANCED with AVR_ENHANCED.
10553 (avr_mcu_name): Initialize as "avr2".
10554 (avr_enhanced_p, avr_mega_p): New variables.
10555 (mcu_types, avr_override_options): Handle all known MCU types.
10556 Also handle avr1 (only preprocess, assemble and link).
10557 (print_operand): Using of `%K' in output template removed.
10558 (out_movqi_r_mr): Optimized.
10559 (out_movhi_r_mr): Likewise.
10560 (output_movqi): New function.
10561 (output_movhi): Likewise.
10562 (out_movsi_r_mr): Optimized.
10563 (output_movsisf): Compute insn length for `adjust_insn_length'
10564 (out_movqi_mr_r): Optimized.
10565 (out_movhi_mr_r): Optimized.
10566 (adjust_insn_length): Use output_movsisf, output_movqi,
10567 output_movhi for insn length adjusting.
10568 (reg_unused_after): Use dead_or_set_p.
10569 (preferred_reload_class): Now havn't any restriction.
10570 (reg_was_0): New function.
10571 (io_address_p): Likewise.
10572 (const_int_pow2_p): Likewise.
10573 (output_reload_inhi): Likewise.
10574 (output_reload_insisf): Likewise.
10576 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
10577 (LIB_SPEC): Use -lc for all supported devices.
10578 (LIBGCC_SPEC): Use -lgcc for all supported devices.
10579 (AVR_MEGA): Define as avr_mega_p.
10580 (AVR_ENHANCED): New, define as avr_enhanced_p.
10581 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
10582 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
10583 (CRT_BINUTILS_SPECS): Handle all known MCU types.
10584 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
10585 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
10586 (ASM_SPEC): Pass -mmcu=... to the assembler.
10587 Change all -DAVR_* to -D__AVR_*__.
10588 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
10589 Rename library functions to start with two underscores.
10590 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
10592 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
10593 (SUPPORTS_WEAK): Likewise.
10594 (LDI_REG_REGNO): New. Register r31 will be used as temporary
10595 register for loading constants to r0-r14.
10597 * config/avr/avr.md: Replace all TARGET_ENHANCED with
10599 (*mov_r_sp): Removed. Handled by output_movhi.
10600 (*mov_sp_r): Likewise.
10601 (*mov_sp_r_no_interrupts): Likewise
10602 (*mov_sp_r_tiny): Likewise.
10603 (*movqi): Use output_movqi.
10604 (*reload_inqi): New.
10605 (*movhi): Use output_movhi.
10606 (*reload_inhi): New.
10607 (*negsi2): Optimized.
10608 (*negsf2): Likewise.
10609 Added peepholes (define_peephole2) for loading constants to r0-r14
10610 and for using `cpse' command.
10612 * config/avr/libgcc.S: Rename library functions to start with two
10614 Add support for enhanced core.
10615 (_moqhi3): Fix typo, now _modqi3.
10616 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
10617 (__prologue_saves__): Remove test for stack adjust by 0.
10618 (__tablejump__): New.
10620 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
10621 Add multilib support.
10623 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
10625 * loop.c (prescan_loop): Don't check unknown_address_altered
10626 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
10627 to loop_store_mems as necessary.
10628 (loop_invariant_p): Don't check unknown_address_altered
10629 or unknown_constant_address_altered.
10631 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10633 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
10635 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10637 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
10638 print just the filename.
10639 * cpplex.c (_cpp_run_directive): Add additional argument, the
10640 name to give the synthetic buffer. This defaults to
10641 translated "<command line>".
10642 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
10644 (_cpp_define_builtin): New function.
10645 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
10646 * cpphash.h: Update prototypes.
10648 * tradcpp.c (main): Process -D and -U simultaneously, in the
10649 order they appeared on the command line.
10651 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10653 * c-decl.c (define_label): Call warning_with_file_and_line and
10654 error_with_file_and_line instead of plain warning or error.
10656 * c-parse.in (label): Use save_filename/save_lineno to ensure
10657 correct values for calls to define_label.
10659 2000-08-29 Mark Mitchell <mark@codesourcery.com>
10661 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
10663 * expr.c (expand_expr, case TARGET_EXPR): Don't call
10665 * tree.h (get_file_function_name): Remove two duplicate
10668 2000-08-28 Kazu Hirata <kazu@hxi.com>
10670 * tree.c: Fix formatting.
10672 * xcoffout.c: Fix formatting.
10674 2000-08-28 Jason Merrill <jason@redhat.com>
10676 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
10678 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10680 * dwarf2out.c (dwarf2out_finish): Don't bother calling
10681 break_out_includes if it won't do anything.
10683 2000-08-28 Richard Henderson <rth@cygnus.com>
10685 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
10686 (find_reloads): Likewise.
10687 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
10688 (reload_inhi): Likewise.
10690 2000-08-28 Richard Henderson <rth@cygnus.com>
10692 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
10693 (call_insn_operand): Don't expect a surrounding mem.
10694 (constant_call_address_operand): Likewise.
10695 * config/i386/i386.h (PREDICATE_CODES): Update.
10696 * config/i386/i386.md (call patterns): Move the match_operand
10697 for the call destination inside the mem.
10699 2000-08-28 Richard Henderson <rth@cygnus.com>
10701 * local-alloc.c (requires_inout): Don't use reserved range for
10702 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
10703 * recog.c (asm_operand_ok): Likewise.
10704 (preprocess_constraints, constrain_operands): Likewise.
10705 * regclass.c (record_reg_classes): Likewise.
10706 * reload.c (find_reloads): Likewise.
10707 * reload1.c (maybe_fix_stack_asms): Likewise.
10708 (reload_cse_simplify_operands): Likewise.
10709 * stmt.c (expand_asm_operands): Likewise.
10711 * md.texi: Update constraints documentation.
10712 * tm.texi (EXTRA_CONSTRAINT): Update.
10714 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10716 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
10717 (print_die): If we don't know the offset of the
10718 target die, try the symbol. Add a trailing newline.
10719 (reverse_all_dies): New fn.
10720 (dwarf2out_finish): Call it.
10721 (break_out_includes): Reorganize for clarity.
10722 (add_sibling_attributes): Don't call reverse_die_lists.
10723 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
10725 * flags.h: Add flag_eliminate_dwarf2_dups.
10726 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
10728 2000-08-28 Jason Merrill <jason@redhat.com>
10730 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
10731 * dwarf2out.c: #include "md5.h".
10732 (DIE_LABEL_PREFIX): New macro.
10733 (dw_val_struct): Add 'external' flag to val_die_ref.
10734 (add_AT_die_ref, AT_ref): Adjust.
10735 (AT_ref_external, set_AT_ref_external): New fns.
10736 (build_abbrev_table): Call set_AT_ref_external.
10737 (value_format): Call AT_ref_external.
10738 (die_struct): Add die_symbol field.
10739 (new_die): Clear it.
10740 (dwarf_tag_name): Handle BINCL/EINCL.
10741 (dwarf2out_start_source_file): Add BINCL DIE.
10742 (dwarf2out_end_source_file): Add EINCL DIE.
10743 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
10744 (loc_checksum, attr_checksum, die_checksum): New fns.
10745 (is_type_die, is_comdat_die, is_symbol_die): New fns.
10746 (compute_section_prefix, assign_symbol_names): New fns.
10747 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
10748 (output_die): Call output_die_symbol and AT_ref_external.
10749 (output_comdat_comp_unit): New fn, split out from...
10750 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
10752 (output_pubnames, output_aranges): Abort if we see entries from
10754 * toplev.h: Declare file_name_nondirectory.
10755 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
10756 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
10757 (debug_start_source_file): Call dwarf2out_start_source_file
10758 regardless of debug verbosity.
10759 (debug_end_source_file): Similarly.
10760 * tree.h: Declare clean_symbol_name.
10761 * tree.c (clean_symbol_name): Split out from...
10762 (get_file_function_name_long): ...here.
10764 * dwarf2out.c (new_loc_descr): Use calloc.
10765 (splice_child_die): Remove the die from the right parent.
10766 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
10768 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10770 * toplev.c (decode_g_option): Don't give warning for unknown -g
10771 option; return 0 instead.
10772 (main): If -g option is not recognized by front end or
10773 language-independent code, give warning.
10775 2000-08-28 Greg McGary <greg@mcgary.org>
10777 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
10778 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
10779 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
10781 2000-08-27 Greg McGary <greg@mcgary.org>
10783 * cpplex.c (parse_string): Don't look for backslash
10784 before first char in `namebuf'.
10785 * loop.c (strength_reduce): Skip NOTEs.
10787 2000-08-27 Jason Merrill <jason@redhat.com>
10789 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
10790 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
10791 TREE_ASM_WRITTEN, either.
10792 (finish_decl): Adjust.
10794 2000-08-28 Philipp Thomas <pthomas@suse.de>
10796 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
10797 they have been incorporated into the gettext CVS. Change the text to
10798 reflect the current status of NLS. Add instructions for accessing
10799 the gettext CVS and add the patch from Martin v. Loewis.
10801 2000-08-27 Geoff Keating <geoffk@cygnus.com>
10803 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
10804 by using gen_lowpart_common.
10805 (movdi_internal64+6): Likewise.
10807 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
10809 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
10812 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
10813 numbers to the ranges used by GDB.
10815 2000-08-25 Richard Henderson <rth@cygnus.com>
10817 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
10818 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
10819 (ia64_expand_prologue): Likewise.
10820 (ia64_setup_incoming_varargs): Set it. Properly skip the current
10821 argument for stdargs.
10823 2000-08-25 Jason Merrill <jason@redhat.com>
10825 * integrate.c (expand_inline_function): Pull out the original decl.
10827 2000-08-25 Jim Wilson <wilson@cygnus.com>
10829 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
10831 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
10833 2000-08-25 Greg McGary <greg@mcgary.org>
10835 * flow.c (dump_edge_info): Use ARRAY_SIZE.
10836 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
10838 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
10840 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
10842 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
10844 * i386.c (ix86_find_base_term): New.
10845 * i386-protos.h (ix86_find_base_term): Prototype.
10846 * i386.h (FIND_BASE_TERM): Define.
10847 * alias.c (find_base_term): Use it.
10848 * tm.texi (FIND_BASE_TERM): Document it.
10850 * alias.c (true_dependence, write_dependence_p): Unchanging
10851 memory can't conflict with non-unchanging memory.
10853 * alias.c (memrefs_conflict_p): A BLKmode reference
10854 to a symbol (or CONST_INT address) always conflicts
10855 with a reference to another symbol.
10857 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
10859 * c-common.c (time_char_table): Don't allow width and flags with
10862 2000-08-25 Jakub Jelinek <jakub@redhat.com>
10864 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
10865 way as LT and LTU when the second operand has 0 in low word.
10867 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10869 * basic-block.h (struct loop): Rename `exits' field to
10870 `exit_edges'. Add `entry_edges' and `num_entries' fields.
10872 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
10873 (flow_loop_entry_edges_find): Add.
10874 (flow_edge_list_print): Rename from flow_exits_print.
10875 (flow_loops_find): Call flow_loop_entry_edges_find.
10876 (flow_loop_dump): Dump entry_edges list.
10877 (flow_loops_free): Free entry_edges.
10879 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10881 * loop.c (loop_dump_aux, debug_loop): New functions.
10882 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
10884 * flow.c (flow_loops_dump): Add callback parameter.
10885 (flow_loop_dump): Add callback parameter and call it. Move
10886 loop note debugging code to loop_dump_aux.
10888 * basic-block.h (flow_loop_dump): Add callback parameter
10889 (flow_loops_dump): Likewise.
10891 * toplev.c (rest_of_compilation): Add NULL callback function pointer
10892 to call to flow_loops_dump.
10894 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10896 * loop.c (count_loop_regs_set): Replace start and end arguments
10897 with loop argument. All callers udated.
10899 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10901 * loop.c (constant_high_bytes): Delete.
10903 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10905 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
10906 and NOTE_INSN_LOOP_VTOP to...
10907 (find_and_verify_loops) ...here.
10909 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
10911 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
10912 (fini_dummy, init_dummy): Use it.
10914 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
10916 * cpplex.c (is_macro_disabled): Caller has already checked
10917 that we're not a preprocessed file.
10919 2000-08-24 Mark Mitchell <mark@codesourcery.com>
10921 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
10922 (c-iterate.o): Remove target.
10923 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
10924 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
10925 (finish_decl): Don't handle iterators.
10926 (grokdeclarator): Likewise.
10927 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
10928 * gcc/c-gperf.h: Regenerated.
10929 * gcc/c-iterate.c: Removed.
10930 * gcc/c-lex.c (init_lex): Don't handle iterators.
10931 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
10932 (compstmt_primary_start): Remove push_iterator_stack call.
10933 (stmt): Don't allow iterator statements. Replace iterator_expand
10934 with expand_expr_stmt.
10935 (all_iter_stmt): Remove.
10936 (all_iter_stmt_simple): Likewise.
10937 (all_iter_stmt_with_decl): Likewise.
10938 * gcc/c-tree.h (ITERATOR_P): Remove.
10939 (ITERATOR_BOUND_P): Likewise.
10940 (init_iterators): Remove declaration.
10941 (iterator_expand): Likewise.
10942 (iterator_for_loop_start): Likewise.
10943 (iterator_for_loop_end): Likewise.
10944 (iterator_for_loop_record): Likewise.
10945 (push_iterator_stack): Likewise.
10946 (pop_iterator_stack): Likewise.
10947 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
10948 (readonly_warning): Likewise.
10949 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
10951 2000-08-24 Jim Wilson <wilson@cygnus.com>
10953 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
10954 Copy type in a TYPE_DECL, just like pushdecl does.
10956 2000-08-24 Richard Henderson <rth@cygnus.com>
10958 * toplev.c (main): Enable flag_reorder_blocks at -O2.
10960 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10962 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
10963 asked for one page, allocate GGC_QUIRE_SIZE of them and put
10964 the extras on the free list.
10965 (release_pages): Clean up.
10966 (ggc_set_mark): Don't adjust G.allocated here...
10967 (sweep_pages): ... do it here.
10969 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10971 * cppfiles.c (read_include_file): Rearrange initializations.
10973 2000-08-24 Richard Henderson <rth@cygnus.com>
10975 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
10977 * config/ia64/ia64-protos.h: Update.
10978 * config/ia64/ia64.c (gr_register_operand): New.
10979 (fr_register_operand, grfr_register_operand): New.
10980 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
10981 (grfr_reg_or_8bit_operand): New.
10982 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
10983 use gr_register_operand.
10984 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
10985 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
10986 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
10987 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
10988 (fr_reg_or_fp01_operand): Likewise.
10989 (not_postinc_memory_operand): New.
10990 (ia64_split_timode): Remove unused variables.
10991 (rtx_needs_barrier): Check arguments to cmpxchg.
10992 (builtin_description): Remove.
10993 (bdesc_2argsi, bdesc_2argdi): Remove.
10994 (ia64_init_builtins): Declare all builtins directly.
10995 (ia64_expand_fetch_and_op): Rewrite to be called from
10996 ia64_expand_builtin directly. Use expand_binop and co.
10997 (ia64_expand_op_and_fetch): Likewise.
10998 (ia64_expand_compare_and_swap): Likewise.
10999 (ia64_expand_binop_builtin): Remove.
11000 (ia64_expand_lock_test_and_set): New.
11001 (ia64_expand_lock_release): New.
11002 (ia64_expand_builtin): Use them.
11003 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
11004 (EXTRA_CONSTRAINT): Use it.
11005 (PREDICATE_CODES): Update.
11006 * config/ia64/ia64.md (*): Use gr_register_operand and co.
11007 (mf): Indicate that we set memory as well as use it.
11008 (fetchadd_acq_si): Show memory being modified as well.
11009 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
11010 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
11011 (lock_test_and_set_si, lock_test_and_set_di): Remove.
11012 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
11013 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
11014 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
11015 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
11016 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
11017 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
11018 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
11019 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
11020 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
11021 return type. Pretty print definitions.
11023 2000-08-24 Jim Wilson <wilson@cygnus.com>
11025 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
11026 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
11028 2000-08-24 Jason Merrill <jason@redhat.com>
11030 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
11031 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
11032 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
11033 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
11035 2000-08-24 Greg McGary <greg@mcgary.org>
11037 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
11038 and extendtab within their proper array boundaries.
11039 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
11040 for the entire array.
11042 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
11043 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
11044 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
11045 * config/fr30/fr30.c (fr30_print_operand): Likewise.
11046 * config/i386/dgux.c (output_options): Likewise.
11047 * config/i386/dgux.h (ASM_FILE_START): Likewise.
11048 * config/m88k/m88k.c (output_options): Likewise.
11049 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
11050 * config/mcore/mcore.c (mcore_output_inline_const_forced,
11051 layout_mcore_frame, handle_structs_in_regs): Likewise.
11052 * config/mips/mips.c (output_block_move): Likewise.
11053 * config/rs6000/rs6000.c (rs6000_override_options,
11054 rs6000_file_start): Likewise.
11055 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
11056 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
11057 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
11058 * builtins.c (expand_builtin_setjmp): Likewise.
11059 * expr.c (safe_from_p): Likewise.
11060 * flow.c (life_analysis): Likewise.
11061 * fold-const.c (size_int_type_wide): Likewise.
11062 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
11063 * genattrtab.c (make_length_attrs): Likewise.
11064 * genopinit.c (gen_insn): Likewise.
11065 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
11066 * global.c (global_alloc): Likewise.
11067 * local-alloc.c (find_free_reg): Likewise.
11068 * mips-tdump.c (print_symbol): Likewise.
11069 * mips-tfile.c (parse_def, parse_input): Likewise.
11070 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
11071 * stmt.c (expand_nl_goto_receiver): Likewise.
11072 * stor-layout.c (set_sizetype): Likewise.
11073 * varasm.c (decode_reg_name): Likewise.
11074 * toplev.c (decode_f_option, decode_W_option,
11075 set_target_switch, print_switch_values): Likewise.
11076 (NUM_ELEM): Remove macro.
11077 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
11079 2000-08-24 Greg McGary <greg@mcgary.org>
11081 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
11082 (MAIN_NAME_P, main_identifier_node): New macros.
11083 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
11084 * c-decl.c (start_decl, grokdeclarator, start_function,
11085 store_parm_decls, finish_function): Use MAIN_NAME_P.
11086 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
11087 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
11088 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
11089 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
11091 2000-08-24 Greg McGary <greg@mcgary.org>
11093 * cppfiles.c (actual_directory): Don't write beyond `dir'
11094 when it contains "".
11095 * real.c (asctoeg): Stay within bounds of etens[][].
11097 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11099 * dependence.c (dependence_string, direction_string,
11100 dump_one_node, dump_node_dependence): Hide unused identifiers.
11101 (get_low_bound, normalize_coefficients): Match definition to
11103 (get_one_coefficient): Initialize variables `value0_is_idx' and
11105 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
11106 (ziv_test): Delete variable `idx', use parameter `sub' instead.
11107 (direction_merge): Avoid automatic aggregate initialization.
11108 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
11109 Initialize variables `dest_idx' and `src_idx'.
11110 (end_dependence_analysis): Avoid C89 style function definition.
11112 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
11114 * c-common.c (time_char_table): Don't allow width with %F.
11115 (check_format_info): Don't allow "Z" length with scanf.
11117 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
11119 * diagnostic.c (finish_diagnostic): Define.
11120 (output_do_printf): Use wrap_text instead of output_add_string.
11121 (default_print_error_function): Avoid embedded '\n'.
11123 * diagnostic.h (flush_diagnostic_buffer): Declare.
11125 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
11127 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
11129 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
11131 * Makefile.in (GCC_PASSES): Add specs.
11133 2000-08-23 Jim Wilson <wilson@cygnus.com>
11135 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
11136 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
11137 EHANDLER nor UHANDLER bit is set.
11138 (__get_except_table): Likewise.
11140 2000-08-23 Nick Clifton <nickc@redhat.com>
11142 * config/arm/lib1funcs.asm: Replace upper case condition codes
11143 with lower case versions.
11145 * config/arm/arm.h (STRUCT_VALUE): Define.
11146 (STRUCT_VALUE_REGNUM): Delete.
11148 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
11150 * cpphash.h (IN_I): New flag for directive table.
11151 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
11153 (_cpp_check_directive): If -fpreprocessed, execute directives
11154 marked with IN_I. Issue no warnings in this case.
11155 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
11157 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
11159 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
11161 (check_format_info): Support printf 'I' flag; warn about it with
11164 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
11166 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
11167 barrier can't be ignored by the alias analysis code.
11169 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
11171 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
11172 works inside fixincl.
11174 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
11176 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
11177 simplify_relational_operation() unless both operands are of
11179 * cse.c (fold_rtx): Likewise.
11181 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
11183 * rtlanal.c (rtx_unstable_p): The pic register is stable
11184 (within one function) and the actual rtx should be used
11185 when checking the registers.
11186 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
11188 * alias.c (true_dependence, write_dependence_p): Fix
11189 bug in previous patch.
11191 * i386.c (ix86_GOT_alias_set): New.
11192 (legitimize_pic_address): Use it.
11194 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
11195 only stable if its address is stable.
11196 (rtx_varies_p): An unchanging MEM can't vary if
11197 its address doesn't vary.
11199 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11201 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
11203 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11205 * vax.h (ASM_SPEC): Pass `-J' to assembler.
11206 * x-vax-gcc: New file for bootstrapping with gcc.
11207 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
11208 * configure.in: Use x-vax-gcc with gcc.
11209 * configure: Rebuilt.
11211 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11213 * toplev.c (rest_of_compilation): Rebuild label notes after
11214 post-reload splitting pass if new labels have been created.
11216 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11218 * diagnostic.h (output_buffer_state): New macro.
11219 * diagnostic.c (diagnostic_for_decl, sorry,
11220 default_print_error_function, output_do_verbatim,
11221 report_diagnostic, report_problematic_module): Use it.
11222 (wrap_text): Tweak.
11223 (output_format): Use wrap_text instead of maybe_wrap_text.
11225 2000-08-22 Nick Clifton <nickc@redhat.com>
11227 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
11228 Common code for ARM divide and modulus functions.
11229 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
11231 (FUNC_END): New macro: Common code at the end of the division and
11233 (THUMB_FUNCTION_START): New macro: Common code at the start of
11235 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
11237 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11239 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
11241 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
11242 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
11245 2000-08-22 Nick Clifton <nickc@redhat.com>
11247 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
11248 restorative additions, test for bottom bits of IP being set,
11249 rather than relying upon the RORs not matching.
11252 2000-08-22 David Edelsohn <edelsohn@gnu.org>
11254 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
11255 text_section() as appropriate instead of emitting text csect
11256 pseudo-op directly.
11257 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
11258 (UNIQUE_SECTION): Define macro.
11259 (ASM_OUTPUT_SECTION_NAME): Define macro.
11260 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
11261 on AIX if debugging and -fdata-sections always.
11263 2000-08-22 Steven King <sxking@uswest.net>
11265 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
11267 (LDBL_MAX): Same here.
11269 2000-08-22 Richard Henderson <rth@cygnus.com>
11271 * flow.c (tidy_fallthru_edge): Update b->end properly.
11273 2000-08-22 Stan Cox <scox@redhat.com>
11275 * Makefile.in (OBJS): Add dependence.o.
11276 * dependence.c: New file.
11278 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
11280 * calls.c (check_sibcall_argument_overlap_1): Adjust for
11281 ARGS_GROW_DOWNWARD.
11282 (check_sibcall_argument_overlap): Likewise.
11284 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
11286 * invoke.texi (SH Options): Document -m4-nofpu,
11287 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
11288 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
11290 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
11292 * c-common.c (check_format_info): Give the 'some locales' warning
11293 for strftime %Ey rather than the unconditional 'only last 2 digits
11296 2000-08-22 Richard Henderson <rth@cygnus.com>
11298 * alias.c (init_alias_analysis): Do not register
11299 struct_value_incoming_rtx or static_chain_rtx as pointing
11302 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
11304 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
11306 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11308 * diagnostic.h (report_problematic_module): Declare.
11309 * diagnostic.c (report_problematic_module): New function.
11310 (report_error_function): Tweak.
11312 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11314 * stmt.c (expand_goto_internal, fixup_gotos): Only check
11315 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11317 2000-08-21 Richard Henderson <rth@cygnus.com>
11319 * flow.c (calculate_global_regs_live): Mark frame pointer live
11320 everywhere before reload.
11322 2000-08-21 Jim Wilson <wilson@cygnus.com>
11324 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
11325 INTEL_EXTENDED_IEEE_FORMAT.
11326 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
11327 clear last two bytes of output FP value.
11329 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
11331 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
11333 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11335 * unroll.c (loop_find_equiv_value): If ret is modified between
11336 insn and loop_start, ret might not be equivalent to reg.
11338 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11340 * c-common.c (init_dollar_format_checking,
11341 maybe_read_dollar_number, finish_dollar_format_checking): New
11343 (dollar_arguments_used, dollar_arguments_count,
11344 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
11346 (check_format_info): Support $ formats for scanf and printf width
11347 and precision. Always increment format_chars to advance past the
11348 '*' of precision, not just when the format parameters are
11349 available to check.
11351 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11353 * mips.c (block_move_loop, expand_block_move,
11354 function_arg_partial_nregs, save_restore_insns, function_prologue,
11355 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
11357 (function_arg_advance, function_arg): Match argument to format
11360 2000-08-21 Nix <nix@esperi.demon.co.uk>
11362 * gcc.c (do_spec_1): Implement %j spec flag.
11363 Remove dead comment.
11365 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
11366 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
11367 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
11368 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
11370 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
11371 writable) instead of hardcoded value.
11373 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
11375 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
11378 * gcc.c (cc1_options): Do not process -o or run the assembler if
11380 * objc/lang-spec.h: Likewise.
11382 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
11384 * fixinc/fixincl.c (fix_with_system): Pipe the output of
11385 "external" fixes through `cat', to avoid truncating the input
11386 file by redirection.
11388 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11390 * config/i386/i386.md (lea_general_1): Copy insn condition to split
11392 (lea_general_2, lea_general_3): Likewise.
11394 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11396 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
11397 warnings to user code.
11399 * c-lex.c (readescape, yylex): Likewise.
11401 * c-typeck.c (store_init_value, process_init_element): Likewise
11402 (c_expand_start_case): Format.
11404 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
11406 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
11408 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
11409 and linker_endian_spec to endian_spec.
11410 (ENDIAN_SPEC): Add %{EB} and %{EL}.
11411 (LINK_SPEC): Remove %{EB} and %{EL}.
11412 (ASM_SPEC): Likewise. Use %(endian_spec).
11414 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11416 * c-tree.h (flag_hosted): Move declaration from here...
11417 * c-common.h (flag_hosted): ... to here.
11418 (flag_noniso_default_format_attributes): New declaration.
11419 * c-decl.c (flag_noniso_default_format_attributes): New variable.
11420 (c_decode_option): Set it appropriately for options choosing
11421 language standard variant.
11422 * c-common.c (init_function_format_info): Only provide default
11423 format attributes if flag_hosted. Only provide the gettext
11424 formats if flag_noniso_default_format_attributes. Update
11426 (check_format_info): Disable treatment of %a as a scanf flag in
11429 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11431 * c-common.c (scan_char_table): Add 'w' to flags for all formats
11433 (check_format_info): Set 'wide' for scanf format widths. Warn for
11434 a zero scanf width. Make the check for writing into a constant
11435 object at the first level of indirection; at later levels, warn if
11436 any type qualifiers are encountered.
11438 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
11440 * reload.c (reload_inner_reg_of_subreg): New function broken out of
11442 (push_reload): Use reload_inner_reg_of_subreg.
11443 (combine_reloads): Do not combine reloads if the input reload
11444 is a SUBREG in which the inner part will need reloading.
11446 * global.c (global_alloc): Avoid passing dumpfile argument to
11448 * toplev.c (rest_of_compilation): Likewise.
11449 * reload.h (reload): Remove dumpfile argument. Callers changed.
11450 (debug_reload, debug_reload_to_stream): Move prototypes here.
11451 * rtl.h (reload): Remove dumpfile argument.
11452 * reload.c (debug_reload): Remove prototype.
11453 (debug_reload_to_stream): Likewise.
11454 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
11457 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11459 * diagnostic.c (context_as_prefix): Export.
11460 (need_error_newline): Remove.
11461 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
11462 (error_module_changed, record_last_error_module,
11463 error_function_changed, record_last_error_function): New functions.
11464 (initialize_diagnostics): Default intialize
11465 lang_diagnostic_starter, lang_diagnostic_finalizer.
11466 (init_output_buffer): Tweak.
11467 (file_name_as_prefix): New function.
11468 (announce_function, default_print_error_function,
11469 report_error_function, set_diagnostic_context): Tweak.
11471 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
11473 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
11474 condition expression.
11476 2000-08-20 Richard Henderson <rth@cygnus.com>
11478 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
11480 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
11482 * cppinit.c (cpp_init): Set global flag when called.
11483 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
11485 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
11487 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
11488 before `process_directive' so that newlines won't be missed
11490 (cpp_printf): Increment `print->lineno' when newline is emitted.
11492 * cppmain.c (cb_ident): Likewise.
11493 (cb_define): Likewise.
11494 (cb_undef): Likewise.
11495 (cb_include): Likewise.
11496 (cb_def_pragma): Likewise.
11497 (dump_macros_helper): Likewise.
11499 2000-08-20 Richard Henderson <rth@cygnus.com>
11501 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
11502 assigned before a loop.
11504 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
11505 (ashrsi3, lshrsi3): Likewise.
11507 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11509 * c-lang.c: #include diagnostic.h
11510 (c_tree_printer): New function.
11511 (lang_init): Initialize lang_printer.
11513 * Makefile.in (c-lang.o): Depends on diagnostic.h
11515 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11517 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
11519 * diagnostic.c (default_diagnostic_starter,
11520 default_diagnostic_finalizer): New functions.
11521 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
11522 (pedwarn, pedwarn_with_file_and_line, error,
11523 error_with_file_and_line, fatal, warning,
11524 warning_with_file_and_line): Adjust call to report_diagnostic.
11525 (report_diagnostic): Rework.
11526 (set_diagnostic_context): New function.
11528 * diagnostic.h (struct diagnostic_context): New data structure.
11529 (diagnostic_message, diagnostic_argument_list,
11530 diagnostic_file_location, diagnostic_line_location,
11531 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
11532 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
11533 (set_diagnostic_context): Declare.
11534 (report_diagnostic): Change prototype.
11536 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
11538 * fix-header.c (main): Initialize cpplib.
11540 2000-08-19 Michael Meissner <meissner@redhat.com>
11542 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
11543 instructions in it before checking for indirect jumps.
11545 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
11546 in a indirect jump as a potential for conditional execution.
11548 * d30v.h (d30v_init_expanders): Don't declare here.
11549 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
11552 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
11554 * cpp.texi: Add @section for assertions.
11556 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
11558 * loop.c (scan_loop): Use CONST_CALL_P instead of
11559 checking for REG_LIBCALL / REG_RETVAL.
11561 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
11563 * reload1.c (reload_as_needed): Accept dumpfile argument,
11564 pass it to emit_reload_insns.
11565 (emit_reload_insns): Add new dumpfile argument. If non-null
11566 then dump the reloads for each insn into the dumpfile.
11567 (reload): Pass dumpfile to reload_as_needed.
11569 * invoke.texi: Clean up linux-gnu vs linux comments.
11571 2000-08-19 Richard Henderson <rth@cygnus.com>
11573 * config/ia64/ia64.c (reg_or_5bit_operand): New.
11574 (ia64_depz_field_mask): New.
11575 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
11576 (PREDICATE_CODES): Update.
11577 * config/ia64/ia64.md: Update commentary.
11578 (depz_internal): New.
11579 (ashlsi3): Implement directly.
11580 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
11581 (ashldi3): Use shladd.
11582 * config/ia64/ia64-protos.h: Update.
11584 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11586 * toplev.c (independent_decode_option): Always process -g.
11587 Remove third argument, now unused. Adjust caller to match.
11589 2000-08-18 Richard Henderson <rth@cygnus.com>
11591 * combine.c (make_compound_operation): Break after creating
11594 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11596 * cpplib.c (cpp_register_pragma_space): Just return if the
11597 namespace is already registered.
11599 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
11601 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
11602 constant amount. Do not generate ROTL instruction.
11604 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
11606 * config/sh/elf.h: Do not include sh/sh.h.
11607 * config/sh/rtems.h: Likewise.
11608 * config/sh/rtemself.h: Do not include sh/elf.h.
11609 * configure.in: Get them included with `tm_file's.
11610 * configure: Rebuilt.
11612 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
11613 * config/sh/sh.c (fpscr_set_from_mem): Use them.
11615 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11617 * stor-layout.c (compute_record_type): Don't use mode of single
11618 field as mode of record if not integer mode of same type.
11620 * regmove.c (perhaps_ends_bb_p): New function.
11621 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
11622 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
11623 (fixup_match_1): Likewise.
11624 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
11625 avoid signed/unsigned warnings.
11627 * function.c (fixup_var_refs_1, case MEM): Update CODE after
11630 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
11632 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
11633 (_cpp_trigraph_map): Declaration moved from cpplex.c
11635 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
11636 instead of 256. Use consistent test for designated initializers.
11637 (cpp_init): Initialize trigraph_map.
11638 (initialize_standard_includes, parse_option): Use memcmp
11639 instead of strncmp.
11641 * cpplex.c (init_trigraph_map): Remove.
11642 (trigraph_ok, trigraph_replace, lex_line): Refer to
11645 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
11646 (do_unassert): Remove unused "next" local.
11648 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
11650 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
11652 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
11655 2000-08-17 Richard Henderson <rth@cygnus.com>
11657 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
11658 the first insn in a sequence.
11660 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
11662 * alias.c (true_dependence, write_dependence_p): A read
11663 involving a label_ref or the constant pool doesn't create
11666 * rtl.h (unchanging): Improve documentation.
11668 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
11670 * cse.c (insert_regs): Remove unused `regno'.
11672 2000-08-17 Neil Booth <NeilB@earthling.net>
11674 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
11675 remove_dup_dirs. If qtail == brack, remove brack not
11677 (remove_dup_dir, remove_dup_dirs): New functions.
11679 2000-08-17 Neil Booth <NeilB@earthling.net>
11681 * cppinit.c (cpp_cleanup): Free include dir chains.
11682 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
11683 (do_unassert): Free the assert with _cpp_free_definition.
11684 * cppmacro.c (_cpp_free_definition): Free memory allocated for
11685 assertions. Make the node a T_VOID node.
11687 2000-08-17 Neil Booth <NeilB@earthling.net>
11689 * cppinit.c (path_include, append_include_chain):
11690 Remove 2nd parameter (struct cpp_pending *).
11691 (path_include, initialize_standard_includes, cpp_handle_option):
11692 Update callers appropriately.
11693 (cpp_handle_option): Use pend.
11695 2000-08-17 Neil Booth <NeilB@earthling.net>
11697 * cppinit.c (sort_options): Remove, put functionality in
11700 (initialize_builtins): Free memory.
11701 (cpp_start_read): Move init_IStable to cpp_init.
11703 * cpplib.h (cpp_init): New prototype.
11704 * cppmain.c (main): Call cpp_init.
11706 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
11708 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
11709 (rtx_unstable_p, rtx_varies_p): Process vectors.
11711 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
11713 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
11714 references to GLOBAL symbols. Use LOCAL where appropriate.
11716 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11718 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
11719 use t-aix41 when host == target.
11721 2000-08-16 Richard Henderson <rth@cygnus.com>
11723 * reload.c (push_secondary_reload): Revert last change.
11724 If we use a reload_in/out pattern, make the when the same
11725 as the primary reload.
11726 (find_reloads): Likewise.
11728 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
11730 * configure.in (libstdcxx-v3): Fix test.
11731 * configure: Regenerate.
11733 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11735 * calls.c (calls_function_1, expand_call): Only test
11736 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11737 * function.c (thread_prologue_and_epilogue_insns): Likewise.
11739 2000-08-16 Richard Henderson <rth@cygnus.com>
11741 * combine.c (simplify_shift_const): Revert previous two
11742 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
11743 before the main loop.
11745 2000-08-15 Richard Henderson <rth@cygnus.com>
11747 * combine.c (simplify_shift_const): Bound shift count when
11750 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11752 * calls.c (ECF_SP_DEPRESSED): New macro.
11753 (calls_function_1): Treat calling sp-depressed function as alloca.
11754 (emit_call_1): Don't adjust SP if calling sp-depressed function.
11755 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
11756 If sp-depressed, ensure block saves and restores SP.
11757 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
11759 * function.c (keep_stack_depressed): New function.
11760 (thread_prologue_and_epilogue_insns): Call it.
11761 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
11762 to print DECL_OFFSET_ALIGN.
11763 Print no-force-blk and transparent-union flags properly.
11764 * stmt.c (expand_goto_internal): Don't restore stack if last block
11765 and function returns with sp depressed.
11766 (fixup_gotos): Likewise.
11767 (save_stack_pointer): New function, from code in expand_decl.
11768 (expand_decl): Call new function.
11769 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
11770 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
11771 (save_stack_pointer): New declaration.
11773 * diagnostic.c (fatal_function): New variable.
11774 (set_fatal_function): New function.
11776 * diagnostic.h (set_fatal_function): New declaration.
11778 2000-08-15 William Cohen <wcohen@redhat.com>
11780 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
11781 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
11782 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
11784 2000-08-15 Richard Henderson <rth@cygnus.com>
11786 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
11788 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11790 * arm.c (arm_function_ok_for_sibcall): New function.
11791 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
11792 * arm.md (call expanders): Don't check here for calls that can't
11795 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11797 * arm.md (splits generating cond_exec): Disable.
11799 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11801 * arm/linux-elf.h (text_section): Delete declaration.
11803 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11805 ARM support for unordered FP operations.
11806 * arm-protos.h (arm_comparison_operator): Declare.
11807 * arm.c (arm_comparison_operator): New function.
11808 (arm_select_cc_mode): Add unordered comparison codes.
11809 (get_arm_condition_code): Likewise.
11810 (arm_final_prescan_insn): Can't handle unordered jumps that can't
11811 be done in one insn.
11812 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
11813 * arm.md (all uses of comparison_operator): Replace with
11814 arm_comparison_operator.
11815 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
11817 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
11820 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11822 * gthr-posix.h: Conditionally include <sched.h>; include
11823 <config.h> from libobjc/.
11825 2000-08-14 Richard Henderson <rth@cygnus.com>
11827 * config/i386/i386.c (legitimize_pic_address): Use Pmode
11830 2000-08-14 Richard Henderson <rth@cygnus.com>
11832 * configure.in (ia64-*): Set float_format for i386 long double.
11834 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
11835 as we would for i386 XFmode.
11836 (PUT_REAL): Likewise.
11837 (endian, ereal_atof, real_value_truncate): Likewise.
11838 (ereal_isneg, toe64, etens, make_nan): Likewise.
11839 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
11841 * config/ia64/ia64-protos.h: Update.
11842 * config/ia64/ia64.c (general_tfmode_operand): New.
11843 (destination_tfmode_operand): New.
11844 (tfreg_or_fp01_operand): New.
11845 (ia64_split_timode): New.
11846 (spill_tfmode_operand): New.
11847 (ia64_expand_prologue): Use TFmode not XFmode.
11848 (ia64_expand_epilogue): Likewise.
11849 (ia64_function_arg): Likewise.
11850 (ia64_function_arg_advance): Likewise.
11851 (ia64_return_in_memory): Likewise.
11852 (ia64_function_value): Likewise.
11853 (ia64_print_operand): Likewise.
11854 (ia64_register_move_cost): Set GR<->FR to 5.
11855 (ia64_secondary_reload_class): Get GR for TImode memory op.
11856 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
11857 (ROUND_TYPE_ALIGN): Remove.
11858 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
11859 (INTEL_EXTENDED_IEEE_FORMAT): Define.
11860 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
11861 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
11862 (MODES_TIEABLE_P): Use TFmode, not XFmode.
11863 (CLASS_MAX_NREGS): Likewise.
11864 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
11865 (PREDICATE_CODES): Update.
11866 * config/ia64/ia64.md (movti): New.
11867 (movti_internal): Use a clobber for memory alternatives.
11868 (reload_inti, reload_outti): New.
11869 (movsfcc_astep): Predicate properly.
11870 (movdfcc_astep): Likewise.
11873 (extendsftf2, extenddftf2): New.
11874 (trunctfsf2, trunctfdf2): New.
11875 (floatditf2, fix_trunctfdi2): New.
11876 (floatunsditf2, fixuns_trunctfdi2): New.
11877 (addtf3, subtf3, multf3, abstf2): New.
11878 (negtf2, nabstf2, mintf3, maxtf3): New.
11879 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
11881 (fr_spill): Use TFmode, not XFmode.
11882 (fr_restore): Likewise.
11883 * config/ia64/lib1funcs.asm (__divtf3): New.
11884 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
11886 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11888 * cse.c (fold_rtx): Avoid empty body in an if-statement.
11890 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
11891 `U' integer constant suffix.
11893 * dwarf2out.c (add_subscript_info): Avoid empty body in an
11896 * sparc/sol2.h (__enable_execute_stack): Prototype.
11898 2000-08-14 David Edelsohn <edelsohn@gnu.org>
11900 * collect2.c: Remove use of AIX import file.
11902 * longlong.h: Test ARCH_PWR not ARCH_POWER.
11904 * rs6000.c (print_operand, case 'E'): Add else.
11906 2000-08-14 Richard Henderson <rth@cygnus.com>
11908 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
11909 (movdi_symbolic): New.
11911 2000-08-14 Jim Wilson <wilson@cygnus.com>
11913 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11914 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
11915 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11918 2000-08-14 Richard Henderson <rth@cygnus.com>
11920 * expr.c (emit_group_load): Don't force constants into registers.
11921 Special case source already in the correct mode.
11923 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
11925 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
11926 * fixinc/inclhack.def: Likewise.
11927 * fixinc/mkfixinc.sh: Likewise.
11928 * configure: Regenerate.
11929 * fixinc/fixincl.x: Regenerate.
11930 * install.texi: Document equivalence of linux and linux-gnu.
11932 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11934 * cse.c (insert_regs): Also in REG case: When finding an invalid
11935 value, and we make a new quantity, make sure that it won't be
11936 mistaken by for a valid one by mention_regs.
11938 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
11940 * h8300.md: Remove obsolete peepholes.
11942 2000-08-13 Kazu Hirata <kazu@hxi.com>
11944 * invoke.texi (H8/300 Options): Fix typos.
11945 * config/h8300.c: Fix formatting.
11946 * config/h8300.h: Fix comment typos.
11947 (OVERRIDE_OPTIONS): Fix formatting.
11949 * function.c: Fix formatting.
11951 * cse.c: Fix formatting.
11953 2000-08-13 Geoff Keating <geoffk@cygnus.com>
11955 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
11956 (attempt_auto_inc): Suppress parentheses warning.
11957 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
11958 * loop.c (load_mems): Remove `u' suffix in two places.
11959 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
11961 * config/rs6000/rs6000.h: Likewise.
11962 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
11963 __eabi dummy routine.
11964 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
11965 variable `buf_ptr'.
11967 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
11968 not put stuff in .sdata unnecessarily.
11969 (rs6000_unique_section): New function.
11970 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
11971 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
11973 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
11974 arrays in C99. Don't try to look at DECL_REGISTER of a
11975 COMPONENT_REF. Don't complain twice about the same error.
11977 * fixinc/inclhack.def (aix_pthread): New fix.
11978 (aix_sysmachine): New fix.
11979 * fixinc/fixincl.x: Regenerate.
11981 * expr.c (expand_expr): Call convert_modes when turning a large
11982 multiply into a small one.
11984 2000-08-12 Geoff Keating <geoffk@cygnus.com>
11986 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
11987 the tree structure an exponent rather than an explicit alignment
11988 so it doesn't overflow.
11989 (SET_DECL_OFFSET_ALIGN): New macro.
11990 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
11991 rather than DECL_OFFSET_ALIGN.
11992 (place_field): Likewise.
11993 * expmed.c (store_bit_field): Abort on align==0 to avoid
11994 antisocial machine behaviour.
11996 2000-08-12 Richard Henderson <rth@cygnus.com>
11998 * sibcall.c (uses_addressof): Accept both addressof and
11999 current_function_internal_arg_pointer inside a mem.
12000 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
12001 if current_function_uses_addressof.
12002 * stmt.c (expand_return): Kill tail recursion and HAVE_return
12005 2000-08-11 Richard Henderson <rth@cygnus.com>
12007 * config/ia64/ia64.md (addsi3): Remove expander.
12008 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
12009 (*addsi3_shladd): New.
12011 2000-08-11 Richard Henderson <rth@cygnus.com>
12013 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
12014 (do_restore): Likewise.
12015 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
12016 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
12017 (rtx_needs_barrier): Track actual bit manipulation for
12018 ar.unat moves, gr_spill, and gr_restore.
12019 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
12020 (process_set): Don't handle varargs spills.
12021 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
12022 .mem.offset here instead of in process_set.
12023 (gr_restore): Likewise.
12025 2000-08-11 Richard Henderson <rth@cygnus.com>
12027 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
12029 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
12031 * gcc.texi (The Configuration File): Document
12032 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
12033 UPDATE_PATH_HOST_CANONICALIZATION.
12035 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12037 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
12038 unprototyped function pointer casts on integer constants.
12040 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
12042 * fixproto: Recognize DOS paths with drive letters as absolute paths.
12044 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
12046 * extend.texi (Volatiles): Fix typos.
12048 2000-08-11 Kazu Hirata <kazu@hxi.com>
12050 * flow.c: Fix formatting.
12052 2000-08-11 Richard Henderson <rth@cygnus.com>
12054 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
12055 pattern, always allocate a tertiary scratch register.
12057 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
12058 (reload_inhi): Likewise.
12060 2000-08-11 Richard Henderson <rth@cygnus.com>
12062 * function.c (put_reg_into_stack): Allow type to be NULL.
12063 (schedule_fixup_var_refs): Likewise.
12064 (gen_mem_addressof): Allow decl to be NULL.
12065 (put_addressof_into_stack): Likewise.
12067 * flow.c (merge_blocks_nomove): Be more careful about
12068 locating the beginning of block A.
12070 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
12072 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12077 * config.in: Reverted the check for <sched.h>.
12079 2000-08-10 Chris Demetriou <cgd@sibyte.com>
12081 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
12082 macros define the name of CTOR and DTOR sections.
12083 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12084 DTOR_LIST_END): Change to use attributes to specify
12086 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
12087 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12088 DTOR_LIST_END): Same as in mips/elf.h.
12090 2000-08-10 Drew Moseley <dmoseley@redhat.com>
12092 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
12093 disabling just crt0.o.
12095 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
12097 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
12098 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
12099 (EXTRA_SPECS): Add them.
12100 * arm/lib1funcs.asm: Support builds for interworking.
12101 Use macros to eliminate duplicated pieces of code.
12103 2000-08-10 Kazu Hirata <kazu@hxi.com>
12105 * h8300.c (expand_a_rotate): New.
12106 (emit_a_rotate): Likewise.
12107 (h8300_adjust_insn_length): Add support for the rotate insns.
12108 * h8300.md (rotlqi3): New.
12109 (*rotlqi3_1): Likewise.
12110 (rotlhi3): Likewise.
12111 (*rotlhi3_1): Likewise.
12112 (rotlhi3): Likewise.
12113 (*rotlhi3_1): Likewise.
12114 * h8300-proto.h: Add prototypes for expand_a_rotate and
12117 * h8300.c: Fix comment typos.
12118 (dosize): Declare the variable amount as unsigned.
12119 (get_shift_alg): Fix a comparison between signed and unsigned.
12120 (emit_a_shift): Likewise.
12121 (h8300_adjust_insn_length): Simplify the code.
12123 * c-decl.c: Fix formatting.
12125 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12127 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
12128 warning about non-traditional numeric constant suffixes.
12130 * cppexp.c (parse_number): Likewise.
12132 * invoke.texi: (-Wtraditional): Document new behavior.
12134 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12136 * gthr-posix.h: Include auto-host.h. Conditionally include
12138 * configure.in: Check for the <sched.h> header file.
12139 * config.in: Added define for HAVE_SCHED_H.
12141 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12143 * c-typeck.c (process_init_element): For -Wtraditional, warn about
12144 initialization of unions.
12146 * invoke.texi (-Wtraditional): Document new behavior.
12148 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
12150 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
12151 instead of extra_c_flags.
12152 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
12153 * configure: Regenerate.
12154 * config.in: Regenerate.
12156 * cpperror.c (cpp_type2name): New function.
12157 * cpplex.c (lex_line): If we issued an error for an invalid
12158 preprocessing directive, discard that logical line.
12159 * cpplib.c (do_line): Call a hook function if the current file
12160 is renamed by #line.
12161 (do_ident): Pass the contents of the string, not the entire
12162 token, to the callback function.
12163 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
12164 (cb.rename_file): New hook function.
12165 (cb.ident): Adjust prototype.
12166 (cpp_type2name): Prototype.
12167 * cppmacro.c (dump_macro_args): Correct precedence lossage.
12169 * cppmain.c (cb_ident): Update for changed interface.
12170 (cb_rename_file): New function.
12171 (main): Set rename callback.
12173 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
12175 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
12176 multi-word registers.
12178 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12180 * c-common.c (combine_strings, check_format_info): Refer to ISO C
12181 or ISO C89 instead of ANSI C.
12182 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
12183 build_enumerator, do_case): Likewise.
12184 * c-lex.c (parse_float, yylex): Likewise.
12185 * c-parse.in: Likewise.
12186 * c-typeck.c (common_type, build_array_ref, build_binary_op,
12187 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
12188 build_c_cast, convert_for_assignment, set_init_index,
12189 set_init_label, c_expand_start_case): Likewise.
12190 * toplev.c (documented_lang_options, display_help): Likewise.
12192 2000-08-08 Kazu Hirata <kazu@hxi.com>
12194 * h8300.c: Fix formatting.
12195 * h8300.h: Likewise.
12196 * h8300.md: Likewise.
12197 (movsi_h8300hs): Fix formatting of the resulting assembly code.
12199 * reload1.c: Fix formatting.
12201 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
12203 * alpha/alpha.c (alpha_emit_xfloating_libcall):
12204 Use GEN_CALL_VALUE define.
12205 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
12206 * clipper/clipper.md (untyped_call): Likewise.
12207 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
12208 * fx80/fx80.md (untyped_call): Likewise.
12209 * mips/mips.md (untyped_call): Likewise.
12210 * ns32k/ns32k.md (untyped_call): Likewise.
12211 * pa/pa.md (untyped_call): Likewise.
12212 * romp/romp.md (untyped_call): Likewise.
12213 * sparc/sparc.md (untyped_call): Likewise.
12215 2000-08-08 Jason Eckhardt <jle@cygnus.com>
12217 * config/i860/i860.c (singlemove_string): Do not generate assembler
12218 pseudo instructions that must be expanded (that is, with signed
12219 constants larger than 16 bits).
12221 2000-08-08 Richard Henderson <rth@cygnus.com>
12223 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
12224 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
12225 (init_propagate_block_info): Don't kill memory stores at -O0.
12226 (mark_set_1, mark_used_regs): Likewise.
12228 2000-08-08 David Edelsohn <edelsohn@gnu.org>
12230 * rs6000.c (optimization_options): Decorate 'level' as
12232 (mask64_operand): Remove sign-extend thinko.
12233 (rldic_operand): New function.
12234 (load_multiple_operation): regno's are unsigned ints.
12235 (store_multiple_operation): Likewise.
12236 (lmw_operation): Likewise.
12237 (stmw_operation): Likewise.
12238 (includes_lshift_p): shift_mask is unsigned int.
12239 (includes_lshift64_p): New function.
12240 (addrs_ok_for_quad_peep): unsigned int reg1.
12241 (print_operand): Consistently add "else" after
12242 output_operand_lossage().
12243 (print_operand, case 'b'): Fold in case 'W'.
12244 (print_operand, case 'W'): Print rldic MB value.
12245 (output_epilogue): Update Objective-C language string.
12246 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
12247 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
12248 * rs6000.md (ashldi3): Add rldic instruction.
12249 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
12250 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
12253 2000-08-08 Richard Henderson <rth@cygnus.com>
12255 * config/ia64/ia64-protos.h: Remove duplicates. Update
12256 for massive code rearrangements.
12257 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
12258 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
12259 (ia64_local_regs, ia64_need_regstk): Remove.
12260 (ar_ccv_reg_operand): New.
12261 (ia64_gp_save_reg): New.
12262 (struct ia64_frame_info): Combine most of the size elements;
12263 add new gr save elements.
12264 (find_gr_spill): New.
12265 (next_scratch_gr_reg): New.
12266 (mark_reg_gr_used_mask): New.
12267 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
12268 to GR backing store regs when possible.
12269 (ia64_initial_elimination_offset): New.
12270 (ia64_rap_fp_offset): Remove.
12271 (save_restore_insns): Remove.
12272 (setup_spill_pointers): New.
12273 (finish_spill_pointers): New.
12274 (spill_restore_mem): New.
12275 (do_spill, do_restore): New.
12276 (ia64_expand_prologue): Rewrite to use them.
12277 (ia64_expand_epilogue): Likewise.
12278 (ia64_direct_return): Update for current_frame_info changes.
12279 (ia64_function_prologue): Simplify .prologue emission. Emit
12280 .spill when needed.
12281 (ia64_setup_incoming_varargs): Don't ever emit rtl.
12282 (ia64_dbx_register_number): New.
12283 (ia64_initialize_trampoline): New.
12284 (ia64_secondary_reload_class): Request GR_REGS for integer
12285 arithmetic destined for FR_REGS.
12286 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
12287 (ia64_mark_machine_status): Mark ia64_gp_save.
12288 (rws_access_regno): Rename from rws_access_reg; don't treat
12289 predicates specially.
12290 (rws_access_reg): New. Update all callers.
12291 (rtx_needs_barrier): Remove dead unspecs.
12292 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
12293 (ia64_encode_section_info): Silence signed/unsigned warnings.
12294 (spill_offset, sp_offset, spill_offset_emitted): Remove.
12295 (tmp_reg, tmp_saved): Remove.
12296 (process_set): Rewrite to expect complicated bits via
12297 REG_FRAME_RELATED_EXPR.
12298 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
12299 in the use of ar.ccv; never set RTX_UNCHANGING_P.
12300 (ia64_expand_op_and_fetch): Likewise.
12301 (ia64_expand_compare_and_swap): Likewise.
12302 (ia64_expand_builtin): Likewise.
12303 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
12304 (FIRST_PSEUDO_REGISTER): Update.
12305 (AR_M_REGNO_P): Update.
12306 (FIXED_REGS): Don't mark three local registers as used.
12307 (EXTRA_CC_MODES): New.
12308 (SELECT_CC_MODE): New.
12309 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
12310 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
12311 (FRAME_GROWS_DOWNWARD): Unset.
12312 (STARTING_FRAME_OFFSET): Zero.
12313 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
12314 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
12315 (HARD_FRAME_POINTER_REGNUM): New.
12316 (CAN_DEBUG_WITHOUT_FP): Define.
12317 (TRAMPOLINE_TEMPLATE): Remove.
12318 (TRAMPOLINE_SIZE): Lower to 32.
12319 (TRAMPOLINE_ALIGNMENT): Lower to 64.
12320 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
12321 (PREDICATE_CODES): Update.
12322 (struct machine_function): Add ia64_gp_save.
12323 * config/ia64/ia64.md: Purge unused unspecs.
12324 (movsi patterns): Allow moves to/from AR_M_REGS.
12325 (movdi patterns): Allow moves to/from p0.
12326 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
12327 (gr_spill, gr_restore): Indicate ar.unat read/written.
12328 (nonlocal_goto): Don't pass old frame_pointer.
12329 (nonlocal_goto_receiver): Remove.
12330 (exception_receiver): New.
12331 (builtin_setjmp_setup): New.
12332 (builtin_setjmp_receiver): New.
12333 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
12334 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
12335 (__ia64_restore_stack_nonlocal): Likewise.
12336 (__ia64_trampoline): New.
12337 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
12339 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
12341 2000-08-08 Richard Henderson <rth@cygnus.com>
12343 * frame.h (ia64_frame_state): Add my_psp.
12344 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
12345 (__throw): Pass it in. Don't clobber r7.
12346 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
12347 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
12348 and nothing to do with sp.
12349 (normalize_reg_loc): Use frame->my_psp.
12350 (frame_translate): Handle frame-pointer-less functions. Set
12351 spill_base correctly, in absence of being told.
12352 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
12353 (__ia64_backtrace_helper): New sp argument. Use
12354 builtin_return_address instead of label addresses.
12355 (print_record) [mem_stack_v]: No size member.
12357 2000-08-08 Richard Henderson <rth@cygnus.com>
12359 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
12361 2000-08-08 Richard Henderson <rth@cygnus.com>
12363 * tm.texi (LOCAL_REGNO): Document.
12364 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
12365 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
12366 * reload1.c (reload): Likewise when considering nonlocal labels.
12368 * config/ia64/ia64.h (LOCAL_REGNO): New.
12369 * config/sparc/sparc.h (LOCAL_REGNO): New.
12371 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12373 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
12375 2000-08-07 Nick Clifton <nickc@redhat.com>
12377 * config/mips/mips.c: Fix compile time warning messages.
12378 * config/mips/mips-protos.h: Add prototype for equality_op.
12380 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
12382 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
12384 * mn10300.md: Use nonimmediate_operand instead of general_operand
12385 on output operands.
12387 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
12389 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
12391 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
12392 * sh.c (expand_block_move): Break long lines.
12393 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
12394 * sh.md (mulsi3): Likewise.
12395 (movdi): Adjust spacing.
12397 2000-08-07 Richard Henderson <rth@cygnus.com>
12399 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
12400 * expr.c (emit_group_store): Don't set it.
12402 2000-08-07 Kazu Hirata <kazu@hxi.com>
12404 * invoke.texi (Options for Debugging Your Program or GCC): Remove
12405 duplicate entries for 'w' and 'z'.
12407 * flow.c: Fix a comment typo.
12409 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12411 * c-parse.in: Changed the language string for Objective-C to "GNU
12414 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12416 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
12417 to improve the Posix thread support for Objective-C.
12419 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
12421 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
12422 CTI_UNSIGNED_PTRDIFF_TYPE.
12423 (signed_size_type_node): Define.
12424 (unsigned_ptrdiff_type_node): Define.
12425 * c-decl.c (init_decl_processing): Create the
12426 signed_size_type_node and unsigned_ptrdiff_type_node types.
12427 * c-common.c (T_SC): Define.
12430 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
12431 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
12433 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
12434 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
12435 flags for %c, %s and %[.
12436 (check_format_info): Only allow leniency for signedness of targets
12437 of character pointers (when pedantic) for formats flagged with
12438 "c", so for strings but not for %hh formats. When pedantic, don't
12439 allow character pointers to substitute for void pointers if a
12440 second level of indirection is present.
12442 2000-08-06 Kazu Hirata <kazu@hxi.com>
12444 * invoke.texi (Options for Debugging Your Program or GCC): Update
12445 the names of dump files.
12447 * h8300.c (dosize): Rearrange code for conciseness.
12448 (split_adds_subs): Likewise.
12450 * loop.c: Fix formatting.
12452 * dwarf2out.c: Fix formatting.
12454 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
12456 * expr.c: Fix formatting.
12458 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12460 * rs6000.c (rs6000_maybe_dead): Prototype.
12462 2000-08-06 Richard Henderson <rth@cygnus.com>
12464 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
12465 HAVE_nonlocal_goto as well.
12466 * config/i960/i960.md (nonlocal_goto): Don't do it here.
12467 * config/pj/pj.md (nonlocal_goto): Likewise.
12469 2000-08-07 Michael Hayes <mhayes@cygnus.com>
12471 * loop.c (try_swap_copy_prop): New function.
12472 (load_mems): Rename copies to load_copies and add new regset
12473 store_copies. Check for sets of shadow registers and mark
12474 in store_copies. Call try_swap_copy_prop for registers
12475 marked in store_copies.
12477 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12479 * objc/objc-act.c: New command line option -fconstant-string-class
12480 to allow specifying a user defined constant string class,
12481 different from NXConstantString.
12483 * toplev.c: Moved the Objective-C specific options to
12484 objc/lang-options.h.
12486 * objc/lang-options.h: Moved the Objective-C specific options from
12487 toplev.c. Added -fconstant-string-class.
12489 2000-08-05 Chris Demetriou <cgd@sibyte.com>
12491 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12492 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
12493 __CTOR_LIST__ from func_ptr array to just func_ptr, to
12494 avoid extra alignment imposed on arrays.
12495 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12496 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
12498 * mips.h: Clean up comments and spacing near MASKs.
12499 (TARGET_UNIX_ASM): Delete.
12500 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
12501 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
12504 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
12506 * c-common.c (print_char_table): Add entries for the X/Open '
12507 format flag (print decimals with locale's thousands grouping
12508 character). Make %C expect wint_t.
12509 (check_format_info): If pedantic, warn when the %n$ operand
12510 number form is used. Allow for the ' flag; warn about it if
12513 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
12515 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
12516 type is a float mode, cfun->decl's return type is not, and
12517 TARGET_FLOAT_RETURNS_IN_80387.
12519 2000-08-04 Andreas Schwab <schwab@suse.de>
12521 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
12522 token list, which are always `#' and `pragma'.
12524 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
12526 * tree.c (tree_expr_nonnegative_p): Move to...
12527 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
12528 (rtl_expr_nonnegative_p): New.
12529 * tree.h: Add prototype for rtl_expr_nonnegative_p.
12531 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
12532 CONST_DOUBLE_CHAIN: Move to...
12533 * rtl.h: ...here. Use XCINT/XCEXP.
12535 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
12536 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
12537 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
12540 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
12542 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12544 * config/c4x/c4x.md (return_indirect_internal): New.
12545 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
12547 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12549 * c-common.c (time_char_table): Mark up formats added in C99 and
12550 make other corrections. %D and %g were added in C99. %Og is an
12551 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
12552 C99. %e was added in C99. %Oj is an extension. %G and %z are in
12553 C99 rather than GNU extensions, but %OG and %Oz are extensions.
12554 %h was added in C99. %C was added in C99. %OY and %OC are
12555 extensions. Add the C99 format %F.
12556 (check_format_info): If pedantic and not in C99 mode, warn for C99
12557 formats, %E and %O.
12559 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12561 * function.c (schedule_fixup_var_refs): New function, broken out
12562 of put_reg_into_stack.
12563 (put_reg_into_stack): Use it.
12564 (put_var_into_stack): In CONCAT case, fixup up references for
12565 components only after fixing up references to the whole concat.
12567 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
12569 * alias.c (mark_constant_function): Use INSN_P.
12570 (init_alias_analysis): Likewise.
12571 * combine.c (combine_instructions): Use INSN_P.
12572 (can_combine_p): Likewise.
12573 (try_combine): Likewise.
12574 (distribute_notes): Likewise.
12575 (distribute_links): Likewise.
12576 * cse.c (cse_around_loop): Use INSN_P.
12577 (invalidate_skipped_block): Likewise.
12578 (cse_set_around_loop): Likewise.
12579 (cse_end_of_basic_block): Likewise.
12580 (delete_trivially_dead_insns): Likewise.
12581 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
12582 (unshare_all_rtl_1): Likewise.
12583 (next_cc0_user): Likewise.
12584 (try_split make_insn_raw): Likewise.
12585 (remove_unnecessary_notes): Likewise.
12586 * final.c (shorten_branches): Use INSN_P.
12587 (leaf_renumber_regs): Likewise.
12588 (leaf_renumber_regs_insn): Likewise.
12589 * flow.c (find_label_refs): Use INSN_P.
12590 (verify_wide_reg): Likewise.
12591 (notice_stack_pointer_modification): Likewise.
12592 (count_or_remove_death_notes): Likewise.
12593 (verify_flow_info): Likewise.
12594 (clear_log_links): Likewise.
12595 * function.c (fixup_var_refs_insns): Use INSN_P.
12596 (compute_insns_for_mem): Likewise.
12597 * gcse.c (alloc_gcse_mem): Use INSN_P.
12598 (compute_sets): Likewise.
12599 (compute_hash_table): Likewise.
12600 (classic_gcse): Likewise.
12602 (insert_insn_end_bb): Likewise.
12603 (delete_null_pointer_checks_1): Likewise.
12604 * global.c (expand_preferences): Use INSN_P.
12605 (build_insn_chain): Likewise.
12606 * graph.c (node_data): Use INSN_P.
12607 * haifa-sched.c (priority): Use INSN_P.
12608 (rm_line_notes): Likewise.
12609 (rm_other_notes): Likewise.
12610 (find_insn_reg_weight): Likewise.
12611 (init_target_units): Likewise.
12612 (schedule_block): Likewise.
12613 (compute_block_forward_dependences): Likewise.
12614 (debug_dependencies): Likewise.
12615 (set_priorities): Likewise.
12616 * integrate.c (function_cannot_inline_p): Use INSN_P.
12617 (save_parm_insns): Likewise.
12618 (copy_insn_list): Likewise.
12619 * jump.c (mark_all_labels): Use INSN_P.
12620 (never_reached_warning): Likewise.
12621 * lcm.c (optimize_mode_switching): Use INSN_P.
12622 * local-alloc.c (validate_equiv_mem): Use INSN_P.
12623 (memref_used_between_p): Likewise.
12624 (update_equiv_regs): Likewise.
12625 (block_alloc): Likewise.
12626 (no_conflict_p): Likewise.
12627 * loop.c (scan_loop): Use INSN_P.
12628 (find_and_verify_loops): Likewise.
12629 (count_loop_regs_set): Likewise.
12630 (loop_reg_used_before_p): Likewise.
12631 (strength_reduce): Likewise.
12632 (recombine_givs): Likewise.
12633 (check_dbra_loop): Likewise.
12634 (load_mems): Likewise.
12635 (try_copy_prop): Likewise.
12636 * print-rtl.c (print_rtx): Use INSN_P.
12637 * recog.c (find_single_use): Use INSN_P.
12638 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
12639 (next_flags_user): Likewise.
12640 (swap_rtx_condition): Likewise.
12641 * regmove.c (mark_flags_life_zones): Use INSN_P.
12642 (optimize_reg_copy_1): Likewise.
12643 (optimize_reg_copy_2): Likewise.
12644 (optimize_reg_copy_3): Likewise.
12645 (reg_is_remote_constant_p): Likewise.
12646 (fixup_match_2): Likewise.
12647 (regmove_optimize): Likewise.
12648 (fixup_match_1): Likewise.
12649 * regrename.c (build_def_use): Use INSN_P.
12650 (replace_reg_in_block): Likewise.
12651 (consider_use): Likewise.
12652 * reload.c (find_equiv_reg): Use INSN_P.
12653 * reload1.c (reload): Use INSN_P.
12654 (maybe_fix_stack_asms): Likewise.
12655 (calculate_needs_all_insns): Likewise.
12656 (reload_as_needed): Likewise.
12657 (emit_output_reload_insns): Likewise.
12658 (delete_address_reloads_1): Likewise.
12659 (reload_cse_regs_1): Likewise.
12660 (reload_combine): Likewise.
12661 (reload_cse_move2add): Likewise.
12662 * reorg.c (redundant_insn): Use INSN_P.
12663 (dbr_schedule): Likewise.
12664 * resource.c (find_dead_or_set_registers): Use INSN_P.
12665 (mark_target_live_regs): Likewise.
12666 * rtlanal.c (reg_used_between_p): Use INSN_P.
12667 (reg_referenced_between_p): Likewise.
12668 (reg_set_between_p): Likewise.
12669 (reg_set_p): Likewise.
12670 (single_set): Likewise.
12671 (multiple_sets): Likewise.
12672 (find_last_value): Likewise.
12673 (reg_set_last): Likewise.
12674 (find_reg_note): Likewise.
12675 (find_regno_note): Likewise.
12676 * sibcall.c (sequence_uses_addressof): Use INSN_P.
12677 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
12678 * ssa.c (find_evaluations): Use INSN_P.
12679 (rename_block): Likewise.
12680 (rename_equivalent_regs): Likewise.
12681 * unroll.c (loop_find_equiv_value): Use INSN_P.
12682 (set_dominates_use): Likewise.
12683 * varasm.c (mark_constant_pool): Use INSN_P.
12684 (mark_constants): Likewise.
12685 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
12686 (alphaev4_next_group): Likewise.
12687 (alphaev5_next_group): Likewise.
12688 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
12689 (c4x_rptb_rpts_p): Likewise.
12690 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
12691 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
12692 (rs6000_adjust_priority): Likewise.
12693 * config/sh/sh.c (sh_loop_align): Use INSN_P.
12694 (machine_dependent_reorg): Likewise.
12695 (split_branches): Likewise.
12696 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
12698 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
12700 * combine.c (recog_for_combine): Remove the old notes
12701 prior to attempting to recognize the new pattern.
12702 (distribute_notes): Ignore REG_NONNEG notes.
12704 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
12706 * varasm.c (output_constructor): Add .align 0 for packed vars.
12708 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12710 * configure.in: Use default thread_file even when enable_threads is
12711 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
12712 * configure: Rebuilt.
12714 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
12716 2000-08-04 Donn Terry (donnte@microsoft.com)
12718 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
12720 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
12722 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
12723 Delete code that conditionally modifies 'version'.
12724 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
12725 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
12726 * gcc.c (main): Use it.
12727 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
12728 * prefix.c (update_path): Use it.
12729 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
12730 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
12731 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
12733 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
12734 (SUBTARGET_SWITCHES): Adjust.
12735 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
12737 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
12739 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12741 * c-common.h (flag_isoc94): Declare.
12742 * c-decl.c (flag_isoc94): Define.
12743 (c_decode_option): Set flag_isoc94 as appropriate.
12744 * c-common.c (T_PD, T_IM, T_UIM): Define.
12745 (format_char_info): Add tlen and jlen.
12746 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
12748 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
12750 (time_char_table): Add NULL entries for %t and %j.
12751 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
12752 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
12753 Warn for printf %lf if pedantic and not C99. Don't warn for empty
12754 precision. Allow precision argument to be unsigned int. If
12755 pedantic, warn for %p passed an argument not a pointer to possibly
12756 qualified void or a possibly qualified character type, and for
12757 pointer targets of the wrong sign, except for character pointers.
12759 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12761 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
12762 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
12763 (wint_type_node): Define.
12764 * c-decl.c (WINT_TYPE): Define.
12765 (init_decl_processing): Create the wint_type_node type.
12766 * c-common.c (T_WI): Define.
12767 (print_char_table): Use T_WI for %lc format.
12769 2000-08-04 Bruce Korb <bkorb@gnu.org>
12771 * fixinc/: Verified that the MSDOS patch does not break
12772 the UNIX functionality and applied the next three patches
12775 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
12777 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
12778 output file with the temporary one by appending ".X" to generate
12779 the temporary fuile's name. If the output file already has an
12780 extension, replace it with ".X".
12782 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
12783 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
12784 reallocate the command buffer while copying the command-line
12785 argument. Redirect the output directly to the temporary file,
12786 instead of going through another temporary file.
12787 (process): Close the temporary file before unlinking it.
12788 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
12789 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
12790 (run_compiles): Pass p_fixd argument to machine_matches, as it
12793 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
12794 environment, assume there are no symlinks in the include
12795 directory. When cleaning up the DONE files, look for them
12796 case-insensitively. Don't try to remove symlinks if they aren't
12799 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
12800 all callers changed. Declare pz "const char *", to avoid compiler
12803 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
12804 Change prototype of make_raw_shell_str.
12806 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
12808 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
12809 (initialize) [__MSDOS__]: Use tempnam.
12810 (initialize): Don't use SIGPIPE if it is not defined.
12812 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
12815 2000-07-25 Bruce Korb <bkorb@gnu.org>
12817 * fixinc/fix*.[ch]: substantially reworked to make it possible
12818 to run this program without using fork(2) or pipe(2) (i.e. in
12819 a DOS environment).
12821 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12823 * cppdefault.h (WINT_TYPE): Define.
12824 * cppinit.c (builtin_array): Define __WINT_TYPE__.
12825 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
12826 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
12828 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
12830 * (mips_legitimate_address_p): Don't allow register+offset
12831 if the offset is large and negative, and we are compiling
12832 for 64 bit registers.
12834 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12836 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
12837 insn_code_number + 1.
12839 2000-08-04 Kazu Hirata <kazu@hxi.com>
12841 * h8300.c (function_prologue): Rearrange code for conciseness.
12842 (function_epilogue): Likewise.
12843 * h8300.h (OK_FOR_U): Fix formatting.
12845 * cse.c: Fix a comment typo. Fix formatting.
12847 2000-08-03 Richard Henderson <rth@cygnus.com>
12849 * config/i386/i386.md (return_indirect_internal): New.
12850 * config/i386/i386.c (ix86_expand_epilogue): Use it.
12852 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
12854 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
12856 (lex_line): Glue @ onto the beginning of identifiers and
12857 string constants, in Objective-C mode.
12858 (output_token, spell_token): Handle CPP_OSTRING.
12859 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
12860 beginning of a NAME or a STRING, in objc mode.
12862 * cpplib.c (get_define_node): Do not permit identifiers that
12863 begin with @ to be #defined.
12864 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
12865 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
12867 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
12868 * c-tree.h (build_objc_string): Delete prototype.
12869 * objc/objc-tree.def: Delete OBJC_STRING_CST.
12870 * c-lex.c (yylex): Use build_string for all three kinds of strings.
12872 * c-parse.in, objc/objc-act.c: Update commentary.
12874 2000-08-03 Mark Mitchell <mark@codesourcery.com>
12876 * extend.texi: Fix typo in last change.
12878 * extend.texi: Add commentary on statement-expressions and their
12879 interactions with C++.
12881 2000-08-03 Nick Clifton <nickc@cygnus.com>
12883 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
12884 * dwarf.h (LANG_JAVA): Change value to 0x000b.
12886 2000-08-03 Anthony Green <green@cygnus.com>
12888 * dwarf2out.c (gen_compile_unit_die): Add java language support.
12889 (add_bound_info): Check for java language.
12890 (is_java): New function.
12891 * dwarfout.c (output_compile_unit_die): Ditto.
12892 * dwarf.h (dwarf_source_language): Add java source language type.
12893 * dwarf2.h (dwarf_source_language): Ditto.
12895 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12897 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
12900 * i386.c (ix86_expand_branch): Mode of comparison in
12901 IF_THEN_ELSE is VOIDmode.
12903 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
12905 * gengenrtl.c, rtl.c: Avoid #elif.
12907 2000-08-03 Michael Poole <poole@troilus.org>
12909 * tm.texi (Register Classes): Clarify order of sub-initializers
12910 in REG_CLASS_CONTENTS.
12912 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12914 From SAITOH Masanobu:
12915 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
12917 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
12919 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
12920 is not supported by tradcpp and isn't actually needed for cygwin.
12922 2000-08-03 Kazu Hirata <kazu@hxi.com>
12924 * h8300.c: Fix a comment typo.
12925 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
12927 * jump.c: Fix formatting.
12929 * toplev.c: Fix formatting.
12931 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
12933 * flow.c (find_auto_inc): Verify that we've got a REG before
12934 peeking at its regno. Fail, don't abort if we can't find
12935 the increment of the desired register.
12937 * pa.md (shadd height reduction patterns/splitters): Remove.
12939 2000-08-02 Jim Wilson <wilson@cygnus.com>
12941 * config/ia64/ia64-protos.h (flag_ssa): Declare.
12942 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
12944 2000-08-02 Mark Mitchell <mark@codesourcery.com>
12946 * dce.c: Remove all uses of assert.
12947 * dwarf2out.c: Likewise.
12948 * dwarfout.c: Likewise.
12951 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12953 * gcc.h (lang_specific_driver): Constify second argument.
12954 * gcc.c (translate_options, process_command, main): Likewise.
12955 Constify variables to match. Cast second argument to
12958 * cppspec.c, gccspec.c: Adjust type of second argument to
12959 lang_specific_driver, and update code as necessary.
12961 2000-08-02 Jakub Jelinek <jakub@redhat.com>
12963 * loop.c (scan_loop): Ensure update_end label does not
12964 go away until reg_scan_update is run.
12966 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12968 * c-common.h: Prototype min_precision and c_build_qualified_type here...
12969 * c-tree.h: ... not here.
12970 * errors.h: Prototype fancy_abort.
12972 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
12973 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
12974 * regrename.c (regrename_optimize): Make control flow explicit.
12975 (replace_reg_in_block): Initialize reg_use to 0.
12977 * i386.c (legitimate_address_p): Rename error label to
12978 report_error to avoid namespace clash.
12980 2000-08-02 Kazu Hirata <kazu@hxi.com>
12982 * fold-const.c: Fix formatting.
12984 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
12986 * i386.c (legitimate_address_p): Accept other bases than
12987 pic_offset_table_rtx for GOTOFF constructs.
12989 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12991 * i386.md (shift to lea splitter): Use const_int_operand.
12993 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12995 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
12996 cppspec.c: Do not use 'legal' or 'illegal' in error messages
12999 * cppmain.c (cb_define, cb_undef): Don't generate any output
13000 if not done_initializing.
13001 * cpplex.c (maybe_paste_with_next): When the token after a ##
13002 is an omitted rest argument, only delete the token before it
13003 if that token is a comma. Do not warn about bogus token
13004 pastes for , ## rest_arg.
13006 * cpp.texi: Update.
13007 * cpp.1: Regenerate.
13009 2000-08-02 Fred Fish <fnf@be.com>
13011 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
13012 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
13015 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
13016 Be directories to search path.
13018 Remove support for __declspec(dllimport) and __declspec(dllexport).
13019 This is leftover cruft from the earlier BeOS gcc port when BeOS
13020 used Microsoft's PE object file format.
13021 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
13022 * config/i386/t-beos (winnt.o): Remove Makefile frag.
13023 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
13024 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
13025 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
13026 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
13027 (REDO_SECTION_INFO_P): Remove.
13028 (ASM_EXPORT_DECL): Remove.
13029 (ASM_DECLARE_FUNCTION_NAME): Remove.
13030 (ASM_DECLARE_OBJECT_NAME): Remove.
13031 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
13032 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
13033 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
13034 (STRIP_NAME_ENCODING): Remove.
13036 Remove support for obsolete version of BeOS that is no longer
13038 * configure.in (i*86-*-beospe*): Remove.
13039 * config/i386/beos-pe.h: Remove.
13041 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
13042 Mark Mitchell <mark@codesourcery.com>
13044 * Makefile.in (OBJS): Added dce.o.
13045 (ssa.o): Updated target to include ssa.h.
13046 (flow.o): Likewise.
13047 (toplev.o): Likewise.
13048 (dce.o): Created target.
13049 * basic-block.h: Added comments.
13050 (INVALID_BLOCK): Added definition.
13051 (connect_infinite_loops_to_exit): Added declaration.
13052 Moved SSA declarations to ssa.h.
13053 * flow.c: Added inclusion of ssa.h.
13054 (struct depth_first_search_dsS, depth_first_search_ds):
13056 (compute_immediate_postdominators): Added definition.
13057 (connect_infinite_loops_to_exit): Likewise.
13058 (flow_dfs_compute_reverse_init): Likewise.
13059 (flow_dfs_compute_reverse_add_bb): Likewise.
13060 (flow_dfs_compute_reverse_execute): Likewise.
13061 (flow_dfs_compute_reverse_finish): Likewise.
13062 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
13063 (LABEL_P): Added definition.
13064 (JUMP_P): Likewise.
13065 (NOTE_P): Likewise.
13066 (BARRIER_P): Likewise.
13067 (JUMP_TABLE_DATA_P): Likewise.
13068 (INSN_DEAD_CODE_P): Likewise.
13069 * ssa.c: Replaced inclusions with ssa.h inclusion.
13070 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
13071 (rename_registers): Removed unnecessary variables.
13072 * ssa.h: Created by moving declarations from ssa.c and
13074 * timevar.def: Defined TV_DEAD_CODE_ELIM.
13075 * toplev.c: Added ssa.h inclusion.
13076 (dump_file_index): Added DFI_dce.
13077 (dump_file): Added "dce" entry.
13079 (f_options): Added dce entry.
13080 * invoke.texi: Document -fdce. Emphasize experimental status of
13084 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
13086 * cpperror.c (v_message): Split into _cpp_begin_message and
13087 v_message macro. All callers updated.
13088 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
13091 * cppfiles.c (cpp_syshdr_flags): New function.
13092 (read_include_file): Don't call cpp_output_tokens. Call
13094 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
13095 (cpp_reader_init): Don't initialize token_buffer. Call
13096 _cpp_init_internal_pragmas.
13097 (cpp_cleanup): Don't clear token_buffer.
13098 (cpp_start_read): Don't worry about output from -D processing.
13099 Don't call cpp_output_tokens.
13100 (cpp_finish): Don't dump macros here. Don't call
13102 * cppmacro.c (_cpp_dump_definition): Rename
13103 cpp_dump_definition. Write directly to a FILE *.
13104 (dump_funlike_macro): Delete.
13105 (dump_macro_args): New.
13107 * cpplex.c (TOKEN_LEN): Convert to inline function.
13108 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
13109 cpp_scan_line, _cpp_dump_list): Delete.
13110 (cpp_printf, cpp_output_list): New.
13111 (output_line_command): Don't worry about entering or leaving files.
13112 (cpp_scan_buffer): Just output each token as we hit it.
13113 (process_directive): Don't call cpp_output_tokens.
13114 (_cpp_glue_header_name): Don't use token_buffer.
13115 (output_token, dump_param_spelling): Write directly to a FILE *.
13117 * cpplib.c (pass_thru_directive, dump_macro_name,
13118 pragma_dispatch, do_pragma_gcc): Delete.
13119 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
13120 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
13122 (do_error, do_warning, pragma_dependency): Call
13123 _cpp_begin_message, then cpp_output_list.
13124 (cpp_register_pragma, cpp_register_pragma_space,
13125 _cpp_init_internal_pragmas): New.
13126 (do_pragma): Walk the pragmas table here.
13127 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
13128 do_pragma_dependency): Return void.
13129 (do_pragma_implementation): Moved to cppmain.c.
13131 * cpplib.h: Update prototypes.
13132 (struct cpp_reader): Remove printer, token_buffer,
13133 token_buffer_size, and limit. Add struct cb, and pragmas.
13134 (struct cpp_printer): Remove last_id and written.
13135 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
13136 CPP_ADJUST_WRITTEN): Delete.
13137 * cpphash.h: Update prototypes.
13138 (ufputs): New wrapper.
13140 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
13141 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
13142 (main): Set up callbacks. Register #pragma implementation.
13143 Dump macros from here.
13145 2000-08-01 Geoff Keating <geoffk@cygnus.com>
13147 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
13148 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
13149 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
13150 insns if they have a REG_MAYBE_DEAD note attached.
13151 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
13152 (rs6000_emit_load_toc_table): TOC loads may go dead.
13154 2000-08-01 Jim Wilson <wilson@cygnus.com>
13156 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
13157 type exists before using it. Use number of words as alignment
13159 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
13160 ia64_va_arg): Propagate ia64_function_args changes here.
13162 2000-08-01 Richard Henderson <rth@cygnus.com>
13164 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
13165 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
13167 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
13169 From Joern Rennecke:
13170 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
13171 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
13172 unless TARGET_SH3E is set.
13173 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
13175 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
13176 (ashlsi3_std): New pattern.
13177 (ashlsi3 expander): Use it for TARGET_SH3.
13178 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
13180 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13182 * loop.c (canonicalize_condition): Use destination, not source to
13183 determine SET's mode.
13185 2000-07-31 Mark Mitchell <mark@codesourcery.com>
13187 * flow.c (clear_log_links): Fix typo.
13189 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
13191 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
13192 on targets which need more than one insn for a compare/cbranch
13195 2000-07-31 Jim Wilson <wilson@cygnus.com>
13197 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
13198 when computing offset.
13200 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
13202 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
13204 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13206 * flow.c (clear_log_links): Nuke global_live_at_start and
13207 global_live_at_end data, since if the log_links stuff is invalid
13208 so is global_live_at_*.
13210 2000-07-31 Richard Henderson <rth@cygnus.com>
13212 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
13214 2000-07-31 Jakub Jelinek <jakub@redhat.com>
13216 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
13217 (_cpp_get_token): Don't macro expand a just pasted token if it
13218 was pasted at no_expand_level.
13220 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13222 * cppmacro.c (find_param, count_params, save_expansion):
13223 Permit 'defined' as a macro parameter name.
13225 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13227 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
13228 xcpp to cpp throughout.
13229 (native): Remove unnecessary dependency on cpp.
13231 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
13232 tradcpp to tradcpp0.
13233 (.i spec): Add missing output-file spec to cc1 command line.
13234 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
13236 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13238 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
13239 (implicit_decl_warning): New function.
13240 (implicitly_declare): Use it.
13241 * c-typeck.c (build_external_ref): Use implicit_decl_warning
13242 to complain about implicit decls of builtins.
13244 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
13245 based on pedantic && flag_isoc99, if not already set.
13246 * c-tree.h: Declare mesg_implicit_function_declaration.
13247 Prototype implicit_decl_warning.
13249 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
13251 * Makefile.in (ssa.o): Updated header files in dependences.
13252 * basic-block.h: Added compute_immediate_postdominators declaration.
13253 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
13255 * flow.c (compute_immediate_dominators): Updated comment.
13256 (compute_immediate_postdominators): Added definition.
13257 * rtl.h (HARD_REGISTER_P): Added definition.
13258 * ssa.c: Include additional header files.
13259 (assert): Added definition.
13260 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
13261 include select hard registers.
13262 (ssa_rename_to_insert): Likewise.
13263 (ssa_rename_from_initialize): Likewise.
13264 (ssa_rename_from_lookup): Likewise.
13265 (original_register): Likewise.
13266 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
13267 include select hard reigsters.
13268 (ssa_rename_from_traverse): Likewise.
13269 (ssa_rename_from_free): Likewise.
13270 (ssa_rename_from_print): Likewise.
13271 (ssa_rename_from_print_1): Likewise.
13272 (ssa_rename_from_hash_function): Likewise.
13273 (ssa_rename_from_equal): Likewise.
13274 (ssa_rename_from_delete): Likewise.
13275 (simplify_to_immediate_dominators): Removed in favor of
13276 flow.c:compute_immediate_dominators.
13277 (find_evaluations_1): Modified to work with hard registers.
13278 (insert_phi_node): Likewise.
13279 (insert_phi_nodes): Likewise.
13280 (struct rename_set_data): Updated prev_reg comment.
13281 (create_delayed_rename): Modified to work with hard registers.
13282 (RENAME_NO_RTX): Updated comment.
13283 (apply_delayed_renames): Modified to work with hard registers.
13284 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
13285 (rename_block): Updated to use revised ssa_rename_to interface.
13286 (rename_registers): Updated to use revised ssa_rename_to and
13287 ssa_rename_from interface.
13288 (convert_to_ssa): Revised to use compute_immediate_dominators and
13289 deal with hard registers.
13290 (make_regs_equivalent_over_bad_edges): Modified to work with hard
13291 registers. Added check for illegal unification of hard register.
13292 (make_equivalent_phi_alternatives_equivalent): Modified to work
13293 with hard registers.
13294 (compute_conservative_reg_partition): Likewise.
13295 (coalesce_if_unconflicting): Modified to work with hard registers
13296 and check for conflicting hard registers.
13297 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
13299 (rename_equivalent_regs_in_insn): Modified to work with hard
13301 (record_canonical_element_1): Added definition.
13302 (check_hard_regs_in_partition): Added definition.
13303 (convert_from_ssa): Added data structure deallocation and check
13304 for illegal hard register unification.
13305 (conflict_hard_regs_p): Added definition.
13306 * toplev.c (rest_of_compilation): Added comment.
13308 2000-07-31 Anthony Green <green@redhat.com>
13310 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
13312 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
13314 * builtins.c (expand_builtin_apply): Don't defer pop during
13317 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13319 * calls.c (combine_pending_stack_adjustment_and_call): Only use
13320 preferred_unit_stack_boundary when it is > 1.
13322 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
13324 * c-common.c (init_function_format_info): Add C99 format functions
13327 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
13328 void' or 'register void' as being the special case of 'void' alone
13329 in a parameter list.
13331 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
13332 discarding qualifiers into a plain warning.
13334 2000-07-31 Kazu Hirata <kazu@hxi.com>
13336 * combine.c: Fix formatting.
13338 * h8300.md: Fix formatting.
13340 * local-alloc.c: Fix formatting.
13342 * h8300.c (get_shift_alg): Remove the variable alg.
13343 (emit_a_shift): Rearrange code to improve readability.
13345 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
13347 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
13348 HImode on all architectures and a combination of HImode and SImode
13349 on H8/300H and H8/S.
13351 * h8300.c (split_adds_subs): Rearrange code for conciseness.
13353 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
13355 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
13356 in my last checkin.
13358 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
13360 * recog.c (extract_insn): Set operand_mode according to
13361 operand if match_operand is VOIDmode.
13363 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
13365 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
13367 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13369 * c-parse.in (extdefs): Call ggc_collect between external
13372 2000-07-30 Michael Hayes <mhayes@cygnus.com>
13373 Richard Henderson <rth@cygnus.com>
13375 * Makefile.in (OBJS): Add doloop.o.
13376 * doloop.c: New file.
13378 * final.c (insn_current_reference_address): Return 0 before final.
13379 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
13380 * jump.c (any_uncondjump_p): Likewise.
13381 * loop.c (indirect_jump_in_function): Make static.
13382 (strength_reduce): Call doloop_optimize.
13383 (insert_bct, instrument_loop_bct): Remove.
13384 * loop.h (doloop_optimize): Prototype.
13385 * recog.c (split_all_insns): Split all INSN_P.
13386 * toplev.c (flag_branch_on_count_reg): Default on.
13388 * config/c4x/c4x.c (c4x_optimization_options): Don't set
13389 flag_branch_on_count_reg.
13390 * config/i386/i386.c (override_options): Likewise.
13391 * config/rs6000/rs6000.c (optimization_options): Likewise.
13393 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
13395 (dbra_ge): Remove, as well as all it's splitters.
13397 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
13400 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
13401 (ia64_register_move_cost): Declare.
13402 * config/ia64/ia64.c (ar_lc_reg_operand): New.
13403 (struct ia64_frame_info): Add ar_size.
13404 (ia64_compute_frame_size): Set it.
13405 (save_restore_insns): Save and restore ar.lc.
13406 (ia64_register_move_cost): New, moved from header file. Handle
13407 application registers.
13408 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
13409 (emit_insn_group_barriers): Special case doloop_end_internal.
13410 (ia64_epilogue_uses): Mark ar.lc live at end.
13411 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
13412 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
13413 (FIRST_PSEUDO_REGISTER): Make room.
13414 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
13415 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
13416 (REG_ALLOC_ORDER): Update.
13417 (HARD_REGNO_MODE_OK): Update.
13418 (REGISTER_NAMES): Update.
13419 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
13420 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
13421 (REGNO_REG_CLASS): Update.
13422 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
13423 (REGISTER_MOVE_COST): Move out of line.
13424 (PREDICATE_CODES): Update.
13425 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
13426 (addsi3_plus1_alt, adddi3_plus1_alt): New.
13427 (shladd_elim splitter): Allow constants in the predicate.
13428 (doloop_end, doloop_end_internal): New.
13430 2000-07-30 Richard Henderson <rth@cygnus.com>
13432 * genattrtab.c (struct insn_def): Add lineno member.
13433 (struct insn_ent): Likewise.
13434 (struct attr_desc): Likewise.
13435 (struct delay_desc): Likewise.
13436 (struct function_unit_op): Likewise.
13437 (struct function_unit): Likewise.
13438 (check_attr_value): Use message_with_line.
13439 (check_defs): Likewise.
13440 (expand_units): Likewise.
13441 (check_attr_test): Take a lineno argument.
13442 (gen_attr): Likewise.
13443 (gen_insn): Likewise.
13444 (gen_delay): Likewise.
13445 (gen_unit): Likewise.
13446 (main): Give it to them.
13447 (convert_set_attr_alternative): Take an insn_def argument
13448 instead of num_alt and insn_index.
13449 (convert_set_attr): Likewise.
13450 (write_test_expr): Protect INSN_ADDRESSES load
13451 with INSN_ADDRESSES_SET_P.
13453 2000-07-30 Richard Henderson <rth@cygnus.com>
13455 * flow.c (init_propagate_block_info): Use pc_set.
13457 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
13459 * i386.md (*lea_general_[123]) New insns and splits.
13460 (addsi3 to lea splitter): Handle other modes too.
13461 (shlsi3 to lea splitter): Likewise.
13462 (addhi_1_lea, shlhi_1_lea): New patterns.
13463 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
13465 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13467 * recog.c (general_operand, nonimmediate_operand): Accept
13468 any mode for VOIDmode CONSTANT_P operands.
13470 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13472 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
13473 instead of replace_rtx.
13474 * recog.c (validate_replace_rtx_subexp): New function.
13475 * recog.h (validate_replace_rtx_subexp): Declare.
13477 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
13479 * combine.c (simplify_set, make_extraction, make_compound_operation
13480 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
13481 as force_to_mode argument.
13483 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
13485 * combine.c (if_then_else_cond): Be sure that mode fits in
13488 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
13490 * combine.c (record_promoted_value): Allow bitsize of mode
13491 to be equivalent to HOST_BITS_PER_WISE_INT.
13493 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13495 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
13496 Do not call gen_mode_alignment when mode is BLKmode.
13498 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
13500 * loop.c (express_from_1): Fix call of simplify_gen_binary.
13502 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
13504 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
13505 VOIDmode implies both operands to be VOIDmode.
13506 (simplify_ternary_operation): Compute properly the mode of comparison.
13507 * combine.c (combine_simplify_rtx): Likewise.
13509 2000-07-25 Michael Hayes <mph@paradise.net.nz>
13511 * basic-block.h (struct loops): New field rc_order.
13512 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
13513 (flow_loops_free): Free rc_order.
13514 (flow_depth_first_order_compute): New parameter rc_order.
13515 (flow_loops_find): Allocate rc_order and swap usage with
13518 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13519 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13521 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
13522 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
13523 (nodb_call, return_from_epilogue): Likewise.
13524 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
13525 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
13526 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
13527 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
13528 (c4x_valid_type_attribute_p): Likewise.
13529 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
13530 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
13532 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13534 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
13535 and loadhi_big_constant if applicable.
13536 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
13537 and add new splitter.s
13539 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13541 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
13543 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13545 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
13547 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13549 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
13551 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13553 * config/c4x/libgcc.S (divqf3): Improve accuracy.
13555 2000-07-27 Mark Mitchell <mark@codesourcery.com>
13557 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
13558 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
13559 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
13560 (get_prev_bb_note): Likewise.
13561 (remove_scope_notes): Likewise.
13562 * flow.c (commit_one_edge_insertion): Likewise.
13563 (merge_blocks_nomove): Likewise.
13564 (verify_flow_info): Likewise.
13565 * gcse.c (insert_insn_end_bb): Likewise.
13566 * reg-stack.c (emit_swap_insn): Likewise.
13567 * ssa.c (first_insn_after_basic_block_note): New function.
13568 (insert_phi_node): Use it.
13569 (rename_block): Likewise.
13570 (eliminate_phi): Likewise.
13571 (make_regs_equivalent_over_bad_edges): Likewise.
13572 (make_equivalent_phi_alternatives_equivalent): Likewise.
13573 (for_each_successor_phi): Likewise.
13574 (convert_from_ssa): Modify phi-node deletion algorithm.
13576 2000-07-29 Andreas Jaeger <aj@suse.de>
13578 * configure.in (mips*-*-linux*): Use mips*el to check for little
13579 endian MIPS, add tmake_file.
13581 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
13582 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
13583 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
13585 2000-07-28 Richard Henderson <rth@cygnus.com>
13587 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
13588 Sign extend mode size before negating.
13590 2000-07-28 Richard Henderson <rth@cygnus.com>
13592 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
13594 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
13596 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
13597 (cse_insn): Likewise.
13598 (addr_affects_sp_p): Likewise.
13599 * expr.c (move_by_pieces): Likewise.
13600 (clear_by_pieces): Likewise.
13601 * gcse.c (oprs_unchanged_p): Likewise.
13602 * haifa-sched.c (sched_analyze_2): Likewise.
13603 * recog.c (offsettable_address_p): Likewise.
13604 * regclass.c (record_address_regs): Likewise.
13605 * reload.c (find_reusable_reload): Likewise.
13606 (push_reload): Likewise.
13607 (operands_match_p): Likewise.
13608 (decompose): Likewise.
13609 (find_reloads_address_1): Likewise.
13610 (find_inc_amount): Likewise.
13611 * reload1.c (elimination_effects): Likewise.
13612 * resource.c (mark_set_resources): Likewise.
13613 * flow.c (attempt_auto_inc): New function; mostly broken out
13615 (find_auto_inc): Split into two functions and enhanced to
13616 generate POST_MODIFY.
13617 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
13618 * rtl.h (count_all_occurrences): Declare.
13619 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
13621 * rtlanal.c (count_all_occurrences): New function.
13622 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
13623 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
13625 * config/ia64/ia64-protos.h (destination_operand): Declare.
13626 * config/ia64/ia64.c (destination_operand): New function.
13627 (ia64_print_operand): Handle POST_MODIFY.
13628 (rtx_needs_barrier): Likewise.
13629 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
13630 (HAVE_POST_MODIFY_REG): Define to 1.
13631 (MAX_REGS_PER_ADDRESS): Change to 2.
13632 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
13633 (LEGITIMATE_ADDRESS_REG): New helper macro.
13634 (LEGITIMATE_ADDRESS_DISP): Likewise.
13635 (PREDICATE_CODES): Add entry for destination_operand.
13636 * config/ia64/ia64.md (all mov patterns): Use destination_operand
13637 predicate for operand 0.
13639 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * dwarf2out.c: Indent #error directive.
13643 * gbl-ctors.h: Fix typo in comment.
13644 (__do_global_ctors): Prototype.
13646 * gcse.c (record_one_set, pre_delete): Remove unused variables.
13648 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
13649 (print_operand): Initialize variable `t'.
13651 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
13653 * config/arm/arm.md ("call_value"): removed constraints.
13654 Constraints are ignored in expanders.
13655 (*call_value_reg): split =rf into various constraints.
13656 (*call_value_mem): same
13657 (*call_value_symbol): same
13658 (*sibcall_value_insn): same
13660 2000-07-28 Philipp Thomas <pthomas@suse.de>
13662 * install.texi (--enable-nls): Change the description of the NLS
13663 related configure options to match the current state.
13664 (--with-included-gettext): Likewise.
13665 (--enable-maintainer-mode): New description added.
13666 * extend.texi (-fstrict-prototype): Add missing '.'.
13668 2000-07-27 Jim Wilson <wilson@cygnus.com>
13670 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
13671 DECL_INITIAL (decl) == NULL_TREE.
13673 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
13675 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
13676 on insn-attr.h with it.
13677 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
13678 * insn-addr.h: New header.
13679 (insn_addresses_): Renamed from insn_addresses.
13680 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
13681 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
13682 INSN_ADDRESSES_NEW): New macros.
13683 * genattrtab.c (write_test_expr): Use new macros.
13684 * final.c (insn_addresses, init_insn_lengths): Likewise.
13685 (align_fuzz, shorten_branches): Likewise.
13686 (final): Likewise. Do not reject new insns if their addresses
13687 have been added to INSN_ADDRESSES.
13688 * config/arm/arm.c, config/avr/avr.c: Use new macros.
13689 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
13690 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
13691 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
13692 * config/sh/sh.c: Likewise.
13693 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
13695 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
13697 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
13699 * gcc.c (struct prefix_list): Add member priority.
13700 (enum path_prefix_priority): Declare.
13701 (add_prefix): Replace ``first'' with ``priority''. Append new
13702 entry but keep list in priority order.
13703 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
13704 PREFIX_PRIORITY_LAST to add_prefix.
13705 (process_command): Move include kludge - foo/stageN - to before
13708 2000-07-27 Jason Merrill <jason@redhat.com>
13710 * dwarf2out.c (gen_typedef_die): Abort if we get identical
13711 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
13713 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
13715 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
13716 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
13718 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
13720 * c-decl.c (finish_function): Don't treat 'main' specially unless
13721 flag_hosted. In C99 mode, return 0 from 'main' unless
13722 DEFAULT_MAIN_RETURN is otherwise defined.
13724 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
13725 parameters defaulting to int in an old-style function definition.
13727 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13729 * c-parse.in (string): For -Wtraditional, warn about string
13730 concatenation only once per line.
13732 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
13734 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
13735 for HI-UX/WE2 systems.
13737 2000-07-24 Bruce Korb <bkorb@gnu.org>
13739 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
13740 defining the __xxx_TYPE__ macros.
13741 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
13742 * fixincl/fixlib.h: don't need to include "tm.h" anymore
13743 * fixincl/inclhack.def(type_map): now obsolete
13745 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
13747 * cpp.texi: Append a trailing full-stop to xrefs where needed.
13749 2000-07-26 Dave Pitts <dpitts@cozx.com>
13751 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
13753 (mvs_hash_alias): New function.
13754 (mvs_add_alias): Change argument spacing.
13755 (mvs_need_alias): Change aliasing criteria. Added documentation.
13756 (mvs_get_alias): Change to use hashed name. The hashed name prevents
13757 CSECT name collisions.
13758 (mvs_check_alias): Likewise.
13759 (handle_pragma): Change documentation.
13760 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
13761 mode from SImode to DImode.
13762 (iorhi3): Changed LTORG size for insn.
13764 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
13766 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
13767 mem if the address is a mode_dependent_address_p.
13769 2000-07-26 Kazu Hirata <kazu@hxi.com>
13771 * h8300.c (print_operand): Print ":8" when the 'R' operand is
13772 suitable for 8-bit absolute.
13773 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
13774 (OK_FOR_U): Add a case for the 8-bit constant address on the
13777 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
13779 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
13780 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
13781 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
13782 lack of implemented alignment.
13784 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
13786 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
13787 cross-compiling between 64-bit and 32-bit machines.
13789 2000-07-27 Richard Henderson <rth@cygnus.com>
13791 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
13792 (movhicc_astep, movhi_internal_astep): New.
13793 (movsicc_astep, movsi_internal_astep): New.
13794 (movdicc_astep, movdi_internal_astep): New.
13795 (movsfcc_astep, movsf_internal_astep): New.
13796 (movdfcc_astep, movdf_internal_astep): New.
13797 (movxfcc_astep, movxf_internal_astep): New.
13798 (cmovdi_internal_astep, cmovsi_internal_astep): New.
13799 Unify the cmov[ds]i splitters.
13801 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
13803 * real.c (asctoeg): Rename `error' label to unexpected_char_error
13805 2000-07-26 Nick Clifton <nickc@cygnus.com>
13807 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
13808 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
13810 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
13811 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
13813 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
13815 * c-decl.c (finish_enum): Convert enumerations that fit in an
13817 (build_enumerator): In pedantic mode, cast to `int' those that
13820 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
13822 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
13824 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13826 * sh.md (cmpgtdi_t): Must be split.
13827 (cmpgtdi_t+1): New splitter.
13829 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13831 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
13832 warnings for indented directives even if we are skipping.
13834 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
13836 * invoke.texi (strict-prototypes): Remove.
13837 * extend.texi (Deprecated Features): Add strict-prototypes.
13838 (Backwards Compatibility): New node.
13840 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13842 * config/i386/i386.md (andsi_1+1): Allow HImode.
13843 (andsi_1+2): Require q_regs_operand.
13845 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13847 * config/i386/i386.md (call_pop): Check operands[0],
13848 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13850 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13851 (call_value): Likewise.
13853 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13855 * toplev.c (pipe_closed): Delete.
13856 (crash_signal): New. Generate ICE for a fatal signal.
13857 (float_signal): Call crash_signal outside a float-handler
13859 (main): Install crash_signal as handler for core-dumping signals.
13861 2000-07-25 David Edelsohn <edelsohn@gnu.org>
13863 * rs6000.c (print_operand, case 'T'): New case.
13865 * rs6000.md (call_indirect_aix32): Convert to expander of
13866 scheduled instructions.
13867 (call_indirect_aix64): Likewise.
13868 (call_value_indirect_aix{32,64}): Likewise.
13869 (call, call_value): Invoke expanders for AIX. Fall through to
13871 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
13872 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
13873 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
13874 only "g" constraint.
13875 (call_nonlocal_aix64): Likewise.
13876 (call_value_nonlocal_aix{32,64}): Likewise.
13877 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
13879 (call_value_nonlocal_sysv): New pattern.
13880 (indirect_jump{si,di}): Use new 'T' modifier.
13881 (tablejump{si,di} matchers): Likewise.
13882 (return_internal_{si,di}): Likewise.
13883 (return_eh_{si,di}): Likewise.
13885 2000-07-24 Richard Henderson <rth@cygnus.com>
13887 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
13888 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
13889 * config/ia64/ia64.md (movdi_internal): Use it.
13891 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
13893 * cppexp.c: Warn about unary + if -Wtraditional.
13894 * cpplex.c (lex_line): Always set BOL on the first token of a line.
13896 2000-07-24 Michael Meissner <meissner@redhat.com>
13898 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
13901 2000-07-24 Nick Clifton <nickc@cygnus.com>
13903 * config/arm/arm.c (emit_multi_reg_push): Generate a
13904 REG_FRAME_RELEATED_NOTE that is compatable with the code in
13905 dwarf2out_debug_frame_expr.
13907 2000-07-24 Jason Merrill <jason@redhat.com>
13909 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
13910 UNALIGNED_INT_ASM_OP.
13911 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
13912 a location expression.
13913 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
13914 assume indirect access if we're saving the CFA address exactly.
13916 * Makefile.in (bootstrap): Move -BstageN/ to the end.
13918 2000-07-24 Jakub Jelinek <jakub@redhat.com>
13920 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
13923 2000-07-24 Michael Meissner <meissner@redhat.com>
13925 * invoke.texi (D30V Options): Add d30v options.
13927 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
13929 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
13930 needed by our gcse pass anymore.
13931 (free_pre_mem): Corresponding changes.
13932 (compute_pre_data): Do not call compute_transpout anymore.
13934 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
13935 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
13938 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
13939 (compute_pre_data): Do it here instead.
13941 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
13943 (pre_delete): Corresponding changes.
13945 2000-07-23 Mark Mitchell <mark@codesourcery.com>
13947 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
13948 to figure out whether or not a variable has already been emitted.
13950 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
13952 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
13953 instead of gen_call.
13955 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
13957 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
13959 2000-07-23 Kazu Hirata <kazu@hxi.com>
13961 * h8300.c: Fix formatting.
13963 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
13965 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
13966 for `long' switch expression into a plain warning.
13968 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
13969 (yylex): Don't pedwarn for "inline" in C99 mode.
13971 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
13973 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
13974 ggc_alloc): Likewise.
13975 * bb-reorder.c (dump_scope_forest_1): Likewise.
13977 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
13979 * reload.c (find_reloads_toplev): Add new parameter
13980 "address_reloaded".
13981 (find_reloads): Add new parameter to find_reloads_toplev calls.
13983 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
13985 * collect2.c (main): Typo fixed.
13986 * diagnostic.c: Typo fixed.
13987 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
13988 * eh-common.h: Typo fixed.
13989 * emit-rtl.c (start_sequence): Typo fixed.
13990 * flow.c (find_label_refs): Typo fixed.
13991 (calculate_global_regs_live): Typo fixed.
13992 (mark_regno_cond_dead): Typo fixed.
13993 (create_edge_list): Typos fixed.
13994 (verify_edge_list): Typo fixed.
13995 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
13996 * loop.c (strength_reduce): Typo in function name fixed.
13997 * rtl.h: Added comments. Typo in function name fixed.
13998 * rtlanal.c: Typo in function name fixed.
13999 (insn_dependant_p): Rename to ...
14000 (insn_dependent_p): ... this.
14001 (computed_jumo_p): Typo fixed.
14003 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14005 * system.h (__FUNCTION__): Wrap definition in #ifndef.
14007 2000-07-21 David Edelsohn <edelsohn@gnu.org>
14009 * rs6000.h (SIZE_TYPE): Define.
14011 2000-07-21 Mark Mitchell <mark@codesourcery.com>
14013 * ssa.c (rename_insn_1): Don't rename registers that are
14016 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
14018 * diagnostic.c (trim_filename, fancy_abort): Moved here from
14020 (fatal_function, set_fatal_function): Removed.
14021 (fatal): Don't prepare for or call the fatal_function.
14022 (diagnostic_lock, error_recursion): New.
14023 (diagnostic_for_decl, report_diagnostic): Guard against
14024 re-entering the error reporting routines.
14025 (fancy_abort): Assume function is not NULL.
14027 * errors.c (fancy_abort): New. Assume function is not NULL.
14028 * tradcpp.c (fancy_abort): Assume function is not NULL.
14030 * system.h: Provide default definition of __FUNCTION__.
14031 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
14032 Always use __FUNCTION__ in definition of abort.
14033 * tree.h: Likewise.
14034 * varray.h: Likewise.
14035 * toplev.h: Likewise. Don't prototype set_fatal_function.
14037 2000-07-20 Geoff Keating <geoffk@cygnus.com>
14039 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
14041 * glimits.h: Don't do #if defined for ARCH_PPC.
14043 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
14044 constants of size no larger than a pointer should go in the TOC.
14045 Add 'MODE' parameter.
14046 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
14047 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
14048 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
14049 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
14050 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
14051 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
14052 (rs6000_legitimize_address): Likewise.
14053 (rs6000_emit_move): Likewise.
14054 (rs6000_select_rtx_section): Likewise.
14055 (output_toc): Deal properly with outputting small constants like
14056 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
14057 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
14058 MODE parameter. Put small constants in the TOC.
14060 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
14062 (rs6000_emit_move): When reload calls us with an illegitimate
14063 address, exit early. Move the change_address calls to one place
14064 at the end of the routine. Merge the SImode and DImode expanders.
14065 When called by reload to put an integer into a FP register, force
14068 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
14070 (rs6000_hash_constant): Hash mode too.
14071 (toc_hash_function): Allow for key_mode.
14072 (toc_hash_eq): Structures are different if key_mode differs.
14073 (output_toc): Add 'mode' parameter. Save key_mode.
14074 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
14075 Pass 'mode' parameter.
14076 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
14078 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
14079 for vtable references.
14081 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
14082 choice, don't put integer values in FP regs.
14084 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
14086 * flow.c (verify_flow_info): Revamp code to verify that the
14087 head and end of each basic block are in the insn chain.
14089 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
14091 * gcse.c (record_one_set): Prepend instead of append onto
14092 reg_set_table, making it O(n) instead O(n^2).
14093 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
14094 Use a queue instead of a stack as worklist.
14096 2000-07-20 Kazu Hirata <kazu@hxi.com>
14098 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
14099 * h8300.h (OK_FOR_T): New.
14100 (EXTRA_CONSTRAINT): Support OK_FOR_T.
14101 * h8300.md: Use inc/dec.[wl] for increment/decrement
14102 by 1 and 2 in HI and SI modes.
14104 2000-07-20 Jim Wilson <wilson@cygnus.com>
14106 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
14107 larger than 14 bits.
14109 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
14111 * cppmacro.c (CAN_PASTE_AFTER): New macro.
14112 (count_params): Don't set GNU_REST_ARGS on anything.
14113 (save_expansion): Set PASTE_LEFT only on tokens for which
14114 CAN_PASTE_AFTER is true, or which are named operators.
14116 * cpplex.c (parse_args): Distinguish between a rest argument
14117 given one empty argument, and a rest argument given zero arguments.
14118 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
14119 deletion of previous token based on that.
14120 (get_raw_token): Flatten some control structure.
14122 * cpplib.h (CPP_LAST_EQ): Correct.
14123 (VOID_REST): New token flag.
14124 (GNU_REST_ARGS): Delete.
14126 * tradcpp.c (main): Don't munge -D options.
14127 (make_definition): Bring -D handling in line with cpplib.
14128 (do_define): Strip all leading whitespace from macro definitions.
14130 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
14132 * Makefile.in (tradcpp): Depend on intl.o and version.o.
14134 2000-07-20 Bruce Korb <bkorb@gnu.org>
14136 * fixincl/check.tpl: strip the platform specific types before testing
14137 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
14138 * fixincl/fixincl.tpl: use platform specific types
14139 * fixincl/fixlib.h: include the platform specific types
14140 * fixincl/inclhack.def(gnu_types): don't supply the types
14141 * fixincl/fixincl.x: regen
14143 2000-07-19 Jim Wilson <wilson@cygnus.com>
14145 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
14148 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14150 * tradcpp.c (rescan): Do not recognize directives when the #
14153 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14155 Implement C++ named operators.
14157 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
14158 of operators allowed in #if and having an _EQ variant. Add
14159 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
14160 (cpp_token flags): Add NAMED_OP.
14161 (enum node_type): Add T_OPERATOR.
14162 (struct cpp_hashnode): Add code slot to value union.
14163 * cpphash.h (spec_nodes): Remove n_defined.
14165 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
14166 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
14167 (is_macro_disabled): Tweak error messages.
14169 * cpplib.c (get_define_node): Disallow all named operators as
14170 macro names. Tweak error messages.
14171 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
14173 * cppinit.c (builtin_array): Add entries for the named operators.
14174 * cppexp.c (lex): Check for CPP_DEFINED token.
14175 (priority table): Add entries for CPP_MIN and CPP_MAX.
14176 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
14178 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
14180 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
14181 larger than the array of cuids.
14182 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
14185 2000-07-19 Bruce Korb <bkorb@gnu.org>
14187 * fixinc/fixincl.c: Convert to using a table of environment variables
14188 and activate the auto-edit marker on the fixed output files.
14189 * fixinc/fixlib.h: Define the environment table
14190 * fixinc/fixincl.sh: export the ${INPUT} dir
14191 * fixinc/check.tpl: likewise
14193 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14195 * gcc.c (.h spec): Fix typo.
14197 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
14199 * Makefile.in: Fix tradcif.c path.
14201 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14203 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
14206 * cpphash.h (TOKEN_NAME): New macro.
14207 (_cpp_spell_operator): Deleted.
14208 (token_spellings): Now _cpp_token_spellings.
14210 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
14211 * cpplex.c: Use OP and TK macros when expanding the
14212 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
14213 store the stringification of the enumeration name (CPP_CHAR,
14214 etc.) in the name slot of token_spellings.
14215 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
14216 token_spellings directly.
14217 * cpplib.c: Use TOKEN_SPELL.
14219 * cpplex.c (_cpp_push_token): If the token being pushed back
14220 is the previous token in this context, just subtract one from
14222 * cppmacro.c (save_expansion): Clear aux field when storing a
14225 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14227 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
14228 buffer, provided it is not NULL.
14230 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
14232 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
14233 case of invalid volatile re-declaration.
14235 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14237 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
14238 (expand_call): Adjust caller.
14240 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
14242 * diagnostic.h (report_diagnostic): Change prototype.
14244 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
14245 diagnostic_for_decl): Change prototype.
14246 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
14247 error, warning, error_with_file_and_line,
14248 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
14249 Adjust call to report_diagnostic, diagnostic_for_decl.
14250 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
14251 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
14253 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
14254 varaible argument list.
14256 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14258 * cpphash.c: Don't include hashtab.h. Most macro-handling code
14259 moved to cppmacro.c.
14260 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
14261 dump_hash_helper): Delete.
14262 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
14263 cpp_forall_identifiers): New. Implement specialized version of
14264 Vlad's expandable hash table.
14265 (cpp_lookup): Use new functions.
14266 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
14268 * cppmacro.c: New file.
14269 * cppinit.c (dump_macros_helper): New.
14270 (cpp_finish): Iterate over the identifier table directly.
14271 * cpplex.c (parse_name): Calculate the hash of the identifier
14272 while we scan it. Use _cpp_lookup_with_hash when we can.
14274 * cpphash.h: Update prototypes.
14275 (xcnewvec, HASHSTEP): New helper macros.
14276 * cpplib.h: Update prototypes.
14277 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
14278 (cppmacro.o): New rule.
14279 (cpphash.o): Update deps.
14281 * cppmain.c: Do not set pfile->printer if no_output is on.
14283 2000-07-15 Neil Booth <neilb@earthling.net>
14285 * cpplib.c: Change all directive-handler functions to return
14287 * cpphash.h: Update typedefs.
14289 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14291 * configure: Regenerate.
14293 * extend.texi (Extended Asm): Mention that a memory clobber
14294 does not count as a side-effect.
14296 * unroll.c (copy_loop_body): Fix one instance of using host
14297 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
14300 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
14302 2000-07-17 Richard Henderson <rth@cygnus.com>
14304 * config/ia64/ia64.md (movdi): Split out load address code.
14305 New post-reload splitter for symbolic operands.
14306 (movdi_internal): Abort if we didn't split symbolic operands
14307 when we should have.
14308 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
14309 (ia64_reorg): Split insns when not optimizing.
14310 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
14312 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
14314 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
14315 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
14317 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14319 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
14321 2000-07-17 Jason Merrill <jason@redhat.com>
14323 * Makefile.in (clean): Remove libgcc directory.
14325 * configure.in (-Wno-long-long check): Use higher-level macros.
14327 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14329 * simplify-rtx.c (simplify_binary_operation): Recognize
14330 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
14331 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
14332 a CONST_INT, it will always be zero.
14334 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14336 * loop.c (check_dbra_loop) : Return if more than one condition is
14337 present to control the loop.
14339 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
14341 * mips.c (mips_expand_prologue): Don't calculate the last argument
14342 register unless we need it. When we are calculating this, make
14343 sure FUNCTION_ARG is giving us a REG.
14345 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
14347 * flow.c (libcall_dead_p): Use single_set to verify the insn
14348 has only one set and get for analysis.
14349 (propagate_one_insn): Don't pass the PATTERN of the insn.
14351 2000-07-17 Mark Klein <mklein@dis.com>
14353 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
14355 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14357 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
14358 * configure.in (TARGET_GETGROUPS_T): Evaluate.
14359 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
14360 of second argument of getgroups.
14361 * configure, config.in: Rebuilt.
14363 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14365 * simplify-rtx.c (simplify_relational_operation): Two signed
14366 values with equal high words are less/greater than each other if
14367 their low words are less/greater when considered as unsigned.
14369 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
14371 * configure.in (vax-*-openbsd): Change to new style configuration,
14372 add collect2/float_format information.
14373 * configure: Rebuilt.
14374 * config/vax/openbsd1.h: New.
14375 * config/vax/openbsd.h: New.
14376 * config/vax/t-openbsd: New.
14378 2000-07-17 Chip Salzenberg <chip@valinux.com>
14380 * c-common.c (shorten_compare): Quiet warnings about unsigned
14381 comparisons with zero when they occur in a system header.
14383 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
14385 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
14386 update to describe current practice.
14388 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
14390 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
14391 references to C9X. Change references to -fstd and -flang-isoc9x
14394 * c-common.c (scan_char_table): Allow "z" length modifiers on
14396 (check_format_info): Use TYPE_DOMAIN on the type matched against
14397 for "z" formats, to retrieve the language size_t rather than the
14400 * c-common.c (check_format_info): Do not make a pedantic objection
14401 to the 'L' length modifier if used with a floating point type
14404 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
14405 constants in C99 mode.
14407 2000-07-17 Kazu Hirata <kazu@hxi.com>
14409 * h8300.md: Fix the format of mac.
14410 (movsi_h8300hs): Output a tab after stmac instead of a space.
14412 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
14413 profitable adds/subs sequences.
14415 * fold-const.c: Fix comment typos.
14417 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
14419 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
14421 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14423 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
14425 2000-07-16 Neil Booth <NeilB@earthling.net>
14427 * cpplex.c: Update comments.
14428 * README.Portability: Small update.
14430 2000-07-16 Neil Booth <NeilB@earthling.net>
14432 * README.Portability: Small update.
14434 2000-07-15 Richard Henderson <rth@cygnus.com>
14436 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
14437 * config/ia64/ia64.c (ia64_move_ok): New function.
14438 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
14439 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
14441 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
14443 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
14444 immediately following a paste operator.
14445 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
14446 (cpp_reader_init): Call it, if HOST_EBCDIC.
14447 (cpp_handle_options): Do not sort option list here.
14448 (handle_option): Rename to cpp_handle_option and export.
14449 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
14450 _cpp_get_token directly.
14451 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
14452 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
14453 * cpplib.h: Prototype cpp_handle_option. Update prototype of
14456 2000-07-15 Richard Henderson <rth@cygnus.com>
14458 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
14459 cast around an expression. Tidy other unsigned tests.
14461 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
14463 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
14464 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
14465 (v_message_with_decl): Rename to ...
14466 (format_with_decl): ... this. Tweak
14467 (diagnostic_for_decl): New function.
14468 (fatal_io_error): Use verbatim in lieu of notice.
14469 (announce_function): Use verbatim.
14470 (default_print_error_function): Likewise.
14471 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
14474 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14476 * mips.c (function_arg_pass_by_reference): Don't do automatic
14477 aggregate initialization.
14478 (machine_dependent_reorg): Initialize variable `mode'.
14480 * mips.md (absdi2): Change variable `regno1' to unsigned int.
14481 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
14482 conflicts with sys/param.h macro of the same name.
14483 (reload_outdi): Likewise.
14485 2000-07-15 Michael Meissner <meissner@redhat.com>
14487 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
14488 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
14489 create a new node instead.
14491 2000-07-15 Neil Booth <NeilB@earthling.net>
14493 * README.Portability: Correct example about calling a function
14494 through a pointer to function. Format wide paragraphs.
14496 2000-07-15 Michael Meissner <meissner@redhat.com>
14498 * README.Portability: Update integer suffixes and function
14499 prototype sections.
14501 2000-07-15 Neil Booth <NeilB@earthling.net>
14503 * README.Portability: Small update.
14505 2000-07-15 Neil Booth <NeilB@earthling.net>
14507 * README.Portability: New file.
14509 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
14511 * INSTALL: Give special instructions for building GCC on Irix 6.
14512 * config/mips/x-iris6 (CC): Don't set it.
14515 2000-07-14 Jason Merrill <jason@redhat.com>
14517 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
14518 register in the stack and later in another register, use the new
14521 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
14523 * config/mips/mips.md: (absdi2): Handle sign_extend for
14526 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
14528 * cpplib.c (do_pragma_dependency): Tidy warning messages.
14530 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
14532 * .cvsignore: Correct typo.
14534 2000-07-13 Mark Mitchell <mark@codesourcery.com>
14536 * .cvsignore: Add generated YACC files.
14537 * objc/.cvsignore: New file.
14539 2000-07-14 Neil Booth <NeilB@earthling.net>
14541 * cpplex.c (adjust_column): New funcion.
14542 (skip_whitespace): Use it.
14543 (skip_block_comment): Use it, and warn about /*/* with
14546 2000-07-14 Neil Booth <NeilB@earthling.net>
14548 * cpphash.c (struct macro_info): Add new members.
14549 (_cpp_free_definition): Delete the macro directly.
14550 (count_params): Return void, with first token of
14551 expansion in struct macro_info on success.
14552 (parse_define): Return int. Hoist syntax checking from
14553 save_macro_expansion. Leave call to save_expansion to
14554 _cpp_create_definition.
14555 (alloc_macro): Needs just 2 arguments.
14556 (free_macro): Delete.
14557 (save_expansion): Don't perform syntax check.
14558 (_cpp_create_definition): Call save_expansion.
14560 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14562 * genrecog.c (write_header): Split long string.
14564 * cpphash.c (macro_info): Don't use the `signed' keyword.
14566 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
14568 2000-07-13 Jakub Jelinek <jakub@redhat.com>
14570 * calls.c (stored_args_map): New variable.
14571 (check_sibcall_argument_overlap_1): New.
14572 (check_sibcall_argument_overlap): New.
14573 (expand_call): Initialize stored_args_map.
14574 Call check_sibcall_argument_overlap.
14576 2000-07-13 Bruce Korb <bkorb@gnu.org>
14578 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
14579 (emit_gnu_type): utility procedure for gnu_type_fix
14580 (gnu_type_fix): implement various pre-processor guards around
14581 standard types so these types can be defined over and over
14582 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
14583 types alluded to above will have GNU-compliant base types
14584 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
14585 * fixinc/inclhack.def: add test_text entries and utilize the new
14586 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
14587 * fixinc/fixincl.x: regenerate
14589 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
14591 * diagnostic.c (vline_wrapper_message_with_location,
14592 v_message_with_file_and_line, v_error_with_file_and_file,
14593 v_error_for_asm, v_warning_for_asm, vfatal,
14594 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
14595 vsorry, verror, vwarning, vpedwarn): Remove.
14596 (diagnostic_for_asm): New function.
14597 (pedwarn, error, warning, pedwarn_with_file_and_line,
14598 error_with_file_and_line, warning_with_file_and_line, sorry,
14599 error_for_asm, warning_for_asm, fatal): Reimplement.
14600 (finish_diagnostic): Clear diagnostic info as well.
14602 2000-07-13 Neil Booth <NeilB@earthling.net>
14604 * c-common.h (flag_digraphs): New.
14605 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
14606 * c-lex.c (yylex): Use flag_digraphs to decide whether to
14609 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
14611 * gcc.c (do_spec_1): Add new %B operator.
14612 (set_input): Prepare for %B.
14614 (link_command_spec): Move up with the other tm.h-
14615 overrideable specs. Factor out the portion conditional on
14616 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
14617 (struct compiler): Just have a single spec string. All users
14619 (default_compilers): Remove unnecessary braces.
14620 (static_specs): Update.
14622 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
14624 (C and assembly specs): Use the new named specs, as appropriate.
14626 * objc/lang-specs.h: Use the new named specs.
14627 Remove unnecessary braces.
14629 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14631 * gcc.c (execute): If a subprocess gets a fatal signal, report
14632 strsignal() of the signal number, and ask for a bug report.
14633 Do not do this for SIGPIPE if there's already been an error.
14635 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
14636 Delete pipe_closed.
14638 * tradcif.c: Remove.
14640 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14642 * final.c (profile_function): Do not emit profile counters in
14643 the data section, if NO_PROFILE_COUNTERS is defined.
14644 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
14647 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
14648 (FUNCTION_PROFILER): Just emit a call to mcount.
14650 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14652 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
14654 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
14655 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
14656 traditional, lang_chill, or lang_fortran.
14658 * cppfiles.c: #undef strcmp to suppress warning about macros
14659 used without arguments.
14660 (_cpp_execute_include): Use f, not fname, in "No include path"
14662 (_cpp_pop_file_buffer): New function.
14663 * cpplib.c: Don't include <sys/mman.h>.
14664 (cpp_push_buffer): Set line_base and lineno in new buffer.
14665 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
14667 * cpplex.c: Move all prototypes and structure declarations to the
14668 top of the file. Properly parenthesise some macro arguments.
14669 (cpp_scan_line): New function.
14670 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
14671 don't need to walk up the stack counting.
14673 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14675 * c-common.c (combine_strings): Emit a pedantic warning when a
14676 string length is greater than the minimum ANSI C is required
14679 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
14681 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
14682 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
14684 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14686 * c-decl.c (define_label): Warn about identifier conflicts with
14687 labels in traditional C.
14689 * c-parse.in (unop +): Warn about the unary plus operator for
14692 * c-typeck.c (store_init_value): Warn about automatic aggregate
14693 initialization for traditional C.
14695 * invoke.texi (-Wtraditional): Document new warnings.
14697 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14699 * Makefile.in (c-errors.o): Fix thinko in dependency.
14701 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14703 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
14704 -traditional, -ftraditional, or -traditional-cpp was given.
14705 Do not pass -traditional to the preprocessor.
14706 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
14707 preprocessor does it automatically.
14708 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
14710 * ch/lang-specs.h: Always use tradcpp. Do not pass
14711 -traditional, -trigraphs, or -pedantic to the preprocessor.
14712 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
14715 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14717 * cppexp.c (LOGICAL): Delete macro.
14718 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
14721 * cpphash.c (HASHSIZE): Increase to 4096.
14722 (struct hashdummy): Add hash field.
14723 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
14724 the string values using memcmp.
14725 (cpp_lookup): Set dummy.hash.
14727 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
14729 * configure.in (m88k-openbsd): Express configuration using new fragment
14731 * configure: Rebuilt.
14732 * m88k/aout-dbx.h: New.
14733 * m88k/openbsd.h: New.
14734 * m88k/xm-openbsd.h: New.
14736 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14738 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
14740 2000-07-12 Richard Henderson <rth@cygnus.com>
14742 * reload.c (push_secondary_reload): Make sure to add the new
14743 reload at the end, after acquiring secondary memory.
14745 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14747 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
14749 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
14750 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
14752 * c-parse.in (stmt): Delete unused variables.
14754 * convert.c (convert_to_vector): Likewise.
14756 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
14758 * tree.c (finish_vector_type): Prototype.
14760 2000-07-12 Bruce Korb <bkorb@gnu.org>
14762 * fixinc/fixfixes.c: use xmalloc
14763 * fixinc/fixincl.c(initialize): set program name for xmalloc
14764 * fixinc/fixlib.c(must_malloc): obsolete
14765 (is_cxx_header): no longer used - disabled
14766 (skip_quote): inserted and disabled for future use
14767 * fixinc/fixlib.h: reflects above
14768 * fixinc/fixtests.c: removed dinkleberries
14770 2000-07-12 Neil Booth <NeilB@earthling.net>
14772 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
14773 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
14775 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
14776 struct toklist_dummy): New.
14777 (cpp_free_definition): Free macros with free_macro.
14778 (count_params): Don't save paramter spellings. Save macro
14779 information in a struct macro_info.
14780 (parse_define): Don't allocate a token list.
14781 (save_expansion): Allocate the macro's token list, and
14782 save parameter spellings if necessary. Use TOKEN_SPELL.
14783 (cpp_create_definition): Make list const.
14785 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14787 * c-typeck.c (pedwarn_c99): Move to
14788 * c-errors.c: ... Here.
14789 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
14790 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
14791 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
14792 (c-errors.o): List dependency.
14794 2000-07-12 Mark Mitchell <mark@codesourcery.com>
14796 * c-parse.c: Remove.
14797 * c-parse.h: Likewise.
14798 * c-parse.y: Likewise.
14799 * objc/objc-parse.c: Likewise.
14800 * objc/objc-pasre.y: Likewise.
14802 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
14804 * gcc.texi: Fix minor typos
14805 * extend.texi: Fix minor typos
14807 2000-07-11 Marc Espie <espie@openbsd.org>
14809 * collect2.c (main): Recognize .lo as object files.
14811 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14813 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
14816 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
14817 with MAP_ANONYMOUS and MAP_ANON.
14818 * configure, config.in: Rebuilt.
14820 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14822 * diagnostic.c (save_output_state): Remove.
14823 (restore_output_state): Likewise.
14824 (clear_text_info): New function.
14825 (clear_diagnostic_info): Likewise.
14826 (output_text_length, is_starting_newline, output_prefix,
14827 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
14828 prefixing_policy, output_buffer_ptr_to_format_args): New macros
14829 (set_real_maximum_length, output_set_maximum_length,
14830 output_set_prefix, output_get_prefix, output_set_maximum_length,
14831 output_destroy_prefix, init_output_buffer,
14832 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
14833 output_add_newline, output_add_character, output_add_space,
14834 output_append_r, output_append, wrap_text, output_format,
14835 output_do_printf, output_printf, output_do_verbatim,
14836 output_verbatim, verbatim): Use them.
14837 (output_clear): Split into cleat_text_info and
14838 clear_diagnostic_info.
14839 (struct output_state): Move to...
14841 * diagnostic.h: ...Here
14842 (struct output_buffer): Adjust.
14844 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
14846 * cpplex.c (parse_name): No longer inline (premature optimization).
14847 (do_pop_context): Fold into pop_context.
14848 (pop_context): Returns int.
14849 (lex_next): Hoist test for end of directive into pop_context.
14850 (push_macro_context): Returns int; takes just reader and token.
14851 Hoist test for excessive nesting to caller.
14852 (push_arg_context): Returns void; takes just reader and token.
14853 Do not call stringify_arg or get_raw_token.
14854 (get_raw_token): Convert tail recursion through push_arg_context
14855 to a loop at this level. Call stringify_arg here if appropriate.
14856 (maybe_paste_with_next): Convert tail recursion to a while loop.
14857 Hoist test of paste_level to caller.
14859 (stringify_arg): Push arg context at beginning.
14860 (cpp_get_token): Split out core into _cpp_get_token. Call
14861 process_directive here. Throw away CPP_PLACEMARKER tokens.
14862 (_cpp_get_token): Convert tail recursion through
14863 push_macro_context to a loop at this level.
14864 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
14865 _cpp_get_raw_token): Use _cpp_get_token.
14866 (_cpp_skip_rest_of_line): Drop the context stack directly; do
14867 not call pop_context.
14868 (_cpp_run_directive): Call lex_next directly.
14870 * cpphash.h: Prototype _cpp_get_token.
14871 * cppexp.c (lex): Use it.
14872 * cpphash.c (parse_define): Use it.
14873 * cpplib.c (get_define_node, do_undef, parse_include,
14874 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
14875 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
14876 parse_ifdef, validate_else): Use it.
14877 (cpp_push_buffer): Tweak error message; abort if anyone tries
14878 to push a buffer while macro expansions are stacked.
14880 2000-07-11 Donn Terry <donnte@microsoft.com>
14882 * cpplex.c (free_macro_args, save_token): Cast arg of free
14883 and/or xrealloc to PTR.
14884 (_cpp_init_input_buffer): Clear all fields of the base context.
14886 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
14888 * gensupport.c (process_rtx): Make rtl checking stop
14889 complaining about the define_insn while it is being
14890 converted from a define_insn_and_split.
14892 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
14894 * config/mips/mips.c (simple_memory_operand): Access the
14895 INTVAL of the address, not it's containing MEM.
14897 2000-07-11 Bruce Korb <bkorb@gnu.org>
14899 * fixinc/fixtests.c(double_slash): obsolete
14900 (else_endif_label): likewise
14901 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
14902 (libc1_ifdefd_memx): correct initial comment
14903 and omit the #if/#endif pair from the memxxx declarations
14904 * fixinc/fixincl.x: regen
14906 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14908 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
14910 2000-07-11 Neil Booth <NeilB@earthling.net>
14912 * cpp.texi: Update.
14914 2000-07-11 Neil Booth <NeilB@earthling.net>
14916 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
14917 (handle_option): Set digraphs according to standard.
14918 Merge OPT_lang_c89 handler with OPT_std_c89.
14920 * cpplex.c: (lex_line, can_paste): Honour digraphs in
14921 accordance with the digraphs flag.
14923 * cpplib.h: (struct cpp_options): New option digraphs.
14925 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
14926 Bruce Korb <bkorb@gnu.org>
14928 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
14929 * fixinc/fixincl.x: Regenerate.
14930 * fixinc/tests/base/testing.h: Add testcase.
14932 2000-07-10 Richard Henderson <rth@cygnus.com>
14934 * config/ia64/ia64.c (got_symbolic_operand): New.
14935 (symbolic_operand, move_operand): Revert 0701 change.
14936 * config/ia64/ia64.h (PREDICATE_CODES): Update.
14937 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
14938 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
14939 split the offset into a 14-bit low part instead of a 13-bit low part.
14940 (load_fptr): Mark the mem as unchanging.
14941 (load_symptr): Use got_symbolic_operand.
14943 2000-07-10 Nick Clifton <nickc@cygnus.com>
14945 * libgcc2.c (next_stack_level): Cast result of computation to
14946 (void **) so that the assignment does not generate a warning.
14948 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
14950 * flags.h : Add new variable flag_single_precision_constant.
14951 * toplev.c (display_help) : Add -fsingle-precision-constant option.
14952 (flag_single_precision_constant): New.
14953 * c-lex.c (yylex): Convert floating point constant to single
14954 precision constant.
14955 * invoke.texi : Add documentation for this new option.
14957 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
14959 * diagnostic.c (output_octal): Second parameter is unsigned.
14960 (output_long_octal): Likewise.
14961 (output_hexadecimal): Likewise.
14962 (output_long_hexadecimal): Likewise.
14963 (output_format): Adjust arguments extraction. Tweak.
14964 (output_verbatim, verbatim): End variable argument list.
14965 (report_diagnostic): Improve documentation.
14967 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
14969 * c-common.h (build_stmt): Declare.
14970 (build_continue_stmt): Likewise.
14971 (build_break_stmt): Likewise.
14972 (build_return_stmt): Likewise.
14974 * c-decl.c (do_case): Rewrite to do what previously done in
14977 * c-semantics.c (build_stmt): Define.
14978 (build_return_stmt): Likewise.
14979 (build_break_stmt): Likewise.
14980 (build_continue_stmt): Likewise.
14981 (build_case_label): Likewise.
14983 * c-parse.in (BREAK): Change to build tree, then generate RTL.
14984 (CONTINUE): Likewise.
14985 (RETURN): Likewise.
14987 (DEFAULT): Likewise.
14989 * c-parse.y: Regenerate.
14990 * c-pasre.c: Likewise.
14992 2000-07-09 Jason Merrill <jason@redhat.com>
14994 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
14996 * tree.h (STRIP_NOPS): Check for error_mark_node.
14997 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
14998 (dwarf2out_*): Remove duplicate declarations.
15000 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
15001 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
15003 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
15005 * diagnostic.c (wrap_text): New function.
15006 (maybe_wrap_text): Likewise.
15007 (output_add_string): Use it.
15008 (output_format): Likewise.
15009 (count_error): Use verbatim instead of notice.
15010 (report_error_function): Likewise. Don't use plain fprintf.
15011 (finish_diagnostic): New function.
15012 (output_do_verbatim): Tweak. Commonalize functionalities in
15013 output_verbatim and verbatim.
15014 (output_verbatim): Adjust.
15015 (verbatim): Likewise.
15016 (report_diagnostic): Define.
15018 * diagnostic.h (report_diagnostic): Prototype.
15020 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
15022 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
15024 2000-07-09 Neil Booth <NeilB@earthling.net>
15026 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
15027 IShspace, ISspace: Update.
15029 * cppinit.c: ISTABLE: Update.
15032 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
15033 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
15034 (skip_block_comment, skip_line_comment, parse_string,
15035 lex_line): Use is_vspace rather than IS_NEWLINE.
15036 (skip_whitespace, lex_line): Clean up to use is_nvspace.
15037 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
15039 (lex_next): Unconditionally stop if within a directive.
15040 Treat directives within macro invocations as directives
15041 (after parse_args emits error), not as the argument.
15043 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
15045 * diagnostic.c (diagnostic_args): New macro.
15046 (diagnostic_msg): Likewise.
15047 (output_formatted_integer): Likewise.
15048 (output_state): New data type.
15049 (digit_buffer): Make global.
15050 (output_add_integer): Rename to output_decimal. Squeeze
15052 (output_long_decimal, output_unsigned_decimal,
15053 output_long_unsigned_decimal, output_octal, output_long_octal,
15054 output_hexadecimal, output_long_hexadecimal): New functions.
15055 (output_append_r): New function.
15056 (output_append): Tweak.
15057 (output_flush_on): Rename to output_to_stream.
15058 (output_format): Change prototype. Improve documentation. Handle
15059 more format specifiers.
15060 (build_location_prefix): Rename to context_as_prefix.
15061 (output_notice): Rename to output_do_printf.
15062 (output_printf): Tweak.
15063 (line_wrapper_printf): Likewise.
15064 (vline_wrapper_message_with_location): Adjust call to renamed
15066 (v_message_with_decl): Likewise.
15067 (default_print_error_function): Likewise.
15068 (save_output_state): New function.
15069 (restore_output_state): Likewise.
15070 (output_do_verbatim): Likewise.
15071 (output_verbatim): Define.
15072 (verbatim): Likewise.
15074 * diagnostic.h (printer_fn): Change return type from void to int.
15075 Improve documentation.
15076 (output_add_integer): Rename to output_decimal.
15077 (output_flush_on, output_format): Don't export.
15078 (output_verbatim, verbatim): Declare.
15080 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
15082 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
15083 Check whether c divides op1 exactly if operation is not
15086 2000-07-08 Richard Henderson <rth@cygnus.com>
15088 * final.c (final): Do not abort when reg-stack introduces
15091 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
15093 * cpplib.h (struct cpp_name): Now struct cpp_string.
15094 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
15095 CPP_HEADER_NAME): Change to type S.
15096 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
15097 field, a cpp_hashnode *. All references to val.name updated
15098 to use val.str or val.node as appropriate.
15099 (struct cpp_reader): Add spec_nodes field.
15100 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
15102 * cpphash.h (struct spec_nodes): New.
15103 (enum spell_type): Reorder. Only SPELL_STRING tokens use
15104 val.str. All references to 'spelling > SPELL_NONE' updated to
15107 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
15108 pfile->buffer->inc are not NULL before dereferencing them.
15110 * cpplex.c (parse_name): Take a pointer to the current token,
15111 plus current position and limit as args; return the new
15112 position; don't copy the text of a name into the string
15113 buffer, instead call cpp_lookup and store the node pointer.
15114 If extending a token, copy out the text of the old into a
15115 scratch buffer, append the new, look that up and store the new
15116 node pointer. Inline.
15117 (maybe_paste_with_next): If the result of paste is a NAME,
15118 then look up the pasted text and store its node pointer.
15119 (lex_line): Adjust for new parse_name interface.
15120 Check for L"str", L'str' using spec_nodes->n_L.
15121 (spell_token): SPELL_IDENT tokens have their spelling in
15122 val.node->name. Handle SPELL_STRING tokens that don't have
15124 (_cpp_expand_name_space,
15125 (can_paste): Check for L ## "str" using spec_nodes->n_L.
15126 (cpp_get_token, special_symbol): No need to call cpp_lookup.
15127 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
15128 return 1=equal 0=not, not a tristate.
15130 * cpphash.c (var_args_str): Delete.
15131 (find_param): Compare node fields directly.
15132 (is__va_args__): Use CPP_PEDANTIC. Just compare
15133 token->val.node with spec_nodes->n__VA_ARGS__.
15134 (dump_funlike_macro): Don't use var_args_str.
15136 * cpplib.c (_cpp_check_directive): Just walk through
15137 spec_nodes->dirs comparing pointers.
15138 (get_define_node, do_pragma_poison, detect_if_not_defined,
15139 parse_ifdef): The identifier has already been looked up.
15140 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
15142 (do_if): Only call detect_if_not_defined at beginning of file.
15143 (_cpp_parse_assertion): Only copy string pointers for
15144 SPELL_STRING tokens.
15145 (pragma_dispatch): Take a node pointer and examine its name
15147 (_cpp_init_stacks): Also initialize the spec_nodes structure.
15149 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
15151 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
15152 reverse order from the corresponding _cpp_init_* routines.
15154 * cppexp.c (parse_number, parse_charconst, parse_defined,
15155 lex): Check val.node->type instead of calling cpp_defined.
15156 Use spec_nodes entries where appropriate.
15158 * fix-header.c, scan-decls.c: Update for interface changes.
15160 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
15162 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
15163 emitting aux_truncdfsf2.
15165 2000-07-03 Donn Terry (donnte@microsoft.com)
15167 * cppinit.c (print_help): split overlong line into ISO C89
15170 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15172 * cppexp.c: Update all code for new lexer interface.
15173 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
15174 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
15175 * cpplex.c (token_names): Trim leading CPP_ from names; make
15176 the strings unsigned.
15177 (_cpp_spell_operator): New.
15178 (is_macro_disabled): Disable all macros if rescanning
15180 (_cpp_get_directive_token): Remove.
15182 * cppinit.c: Don't set no_macro_expand.
15183 * cpplib.c (read_line_number, do_line): Check only for EOF,
15185 * cpphash.h: Update prototypes.
15186 * cpplib.h (CPP_VSPACE): Remove.
15187 (struct cpp_reader): Remove no_macro_expand.
15189 2000-07-08 Neil Booth <NeilB@earthling.net>
15191 * cpphash.c (is__va_args__): New function.
15192 (count_params): Fix line reported in error messages. Use
15193 is__va_args__. Don't return ')' on error. Flag GNU style
15194 rest args macro definitions.
15195 (parse_define): Check macro name is not __VA_ARGS__.
15196 (save_expansion): Check identifier in non-varargs-macro is
15197 not __VA_ARGS__. Don't flag GNU_VARARGS.
15198 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
15199 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
15200 than per-token GNU_VARARGS.
15201 * cpplib.h (GNU_VARARGS): Remove.
15202 (GNU_REST_ARGS): New.
15204 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
15206 * i386.md (call_pop, call, call_value_pop): Do not set
15207 current_function_uses_pic_offset_table for calls to static
15208 functions or indirect calls.
15210 2000-07-07 Jim Wilson <wilson@cygnus.com>
15212 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
15213 is_predicate_reg, then take max write_count of register pair.
15215 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15217 * tradcpp.c (main): Rename label `include' to `add_include' to
15218 avoid conflicts with variable `include' in traditional C.
15220 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15222 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
15224 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15226 * sibcall.c (uses_addressof): Add INMEM argument, check for
15227 current_function_internal_arg_pointer outside of MEM rtxs in addition
15229 (sequence_uses_addressof): Update caller.
15231 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15233 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
15236 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15238 * system.h (UNION_INIT_ZERO): New macro for initializing union
15239 members in structs.
15241 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
15243 2000-07-07 Neil Booth <NeilB@earthling.net>
15245 * cpp.texi: Update.
15247 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
15249 * final.c (final): Detect out of bounds array access to
15250 the insn_lengths array.
15252 2000-07-07 Kazu Hirata <kazu@hxi.com>
15254 * fold-const.c (fold): Fix a comment typo.
15256 2000-07-07 Neil Booth <NeilB@earthling.net>
15258 * cpp.texi: Update to new lexer.
15260 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15262 * tradcpp.c: New file.
15263 * tradcif.y: New file.
15264 * tradcif.c: New generated file.
15266 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
15267 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
15268 dependencies of C. Install tradcpp from install-common, in
15271 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15273 * cppinit.c: Include cppdefault.h. Refer to
15274 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
15275 to GCC_INCLUDE_DIR and its length.
15276 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
15277 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
15278 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
15280 (include_defaults_array): Move to cppdefault.c.
15282 * cppdefault.h: New file.
15283 * cppdefault.c: New file.
15285 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
15286 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
15287 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
15290 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15292 * reload.c (push_reload): When seeing if can reuse a register,
15293 check extra registers against widest of INMODE and OUTMODE.
15295 2000-07-06 Neil Booth <NeilB@earthling.net>
15297 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
15298 based on full length of predicate.
15300 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
15302 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
15303 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
15305 2000-07-05 Kazu Hirata <kazu@hxi.com>
15307 * h8300-proto.h: Fix formatting.
15308 * h8300.c: Likewise.
15309 * h8300.h: Likewise.
15311 2000-07-05 Jim Wilson <wilson@cygnus.com>
15313 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
15316 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
15318 * invoke.texi: Fix minor typos
15319 * md.texi: Fix minor typos
15321 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
15323 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
15325 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15327 * cpplex.c: Don't include sys/mman.h.
15328 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
15330 * cpplib.c: Include sys/mman.h and obstack.h.
15331 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
15333 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
15334 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
15335 bother freeing if stack entries (they will be freed with their buffer).
15336 (do_endif): Free if stack entries from the buffer obstack.
15337 (push_conditional): Allocate if stack entries from the buffer obstack.
15339 (find_answer): Rename to _cpp_find_answer.
15340 (do_assert, do_unassert): Update.
15342 * cpphash.h: Update prototypes.
15343 (xobnew): New convenience macro.
15344 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
15346 (struct cpp_hashnode): Remove disabled field.
15348 * cppinit.c: Don't include hashtab.h or splay-tree.h.
15349 (report_missing_guard): Moved to cppfiles.c.
15350 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
15352 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
15353 cpp_cleanup_includes. Don't destroy hashtab or
15354 all_include_files here.
15355 (cpp_finish): Use _cpp_report_missing_guards.
15357 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
15358 (_cpp_init_include_table): Rename _cpp_init_includes.
15359 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
15361 * cppexp.c (parse_assertion): Update for new name of
15364 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
15366 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15368 * cpplib.c (do_ident): s/VSPACE/EOF/
15370 2000-07-05 Neil Booth <NeilB@earthling.net>
15372 * cpplex.c: Fix trigraph replacement within strings.
15374 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15376 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
15378 * xcoffout.c (assign_type_number): Constify.
15379 (xcoffout_source_file): Add static prototype. Don't needlessly
15380 cast away const-ness.
15382 2000-07-04 Jason Merrill <jason@redhat.com>
15384 * frame.h (frame_state): Move base_offset to end.
15386 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15388 * calls.c (emit_library_call_value_1): Revert previous change.
15390 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15392 * fix-header.c (struct partial_proto): Remove unnecessary fields.
15393 (recognized_extern, recognized_function, read_scan_file):
15394 Update for new scheme.
15395 (check_protection): It's still a multiple include guard even
15396 if it doesn't always trigger.
15397 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
15399 * scan.h: Declare struct cpp_token. Update prototypes.
15401 2000-07-03 Neil Booth <neilb@earthling.net>
15402 Zack Weinberg <zack@wolery.cumb.org>
15404 Complete overhaul of the lexer and macro expander.
15406 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
15407 arg, arglist, argdata, reflist, collect_objlike_expansion,
15408 collect_funlike_expansion, collect_params,
15409 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
15410 unsafe_chars, macarg, compare_defs, special_symbol,
15411 scan_arguments, stringify, funlike_macroexpand,
15412 _cpp_quote_string, monthnames): Delete.
15413 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
15414 _cpp_create_definition, _cpp_dump_definition,
15415 dump_hash_helper): Adjust.
15416 (find_param, count_params, parse_define, var_args_str,
15417 check_macro_redefinition, save_expansion): New.
15419 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
15420 parse_string, output_line_command, trigraph_replace,
15421 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
15422 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
15423 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
15424 _cpp_skip_rest_of_line): Modify.
15426 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
15427 find_position, null_warning, bump_column, expand_name_space,
15428 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
15429 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
15430 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
15431 _cpp_prescan): Delete.
15433 (dump_param_spelling, process_directive, lex_next,
15434 is_macro_disabled, stringify_arg, expand_context_stack,
15435 output_token, make_string_token, alloc_number_token,
15436 special_symbol, duplicate_token, maybe_paste_with_next,
15437 can_paste, prevent_macro_expansion, restore_macro_expansion,
15438 get_temp_token, release_temp_tokens, quote_string,
15439 token_names, token_spellings, _cpp_expand_name_space,
15440 _cpp_glue_header_name, _cpp_reserve_name_space,
15441 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
15442 placemarker_token, eof_token, cpp_context, macro_args,
15443 get_raw_token, parse_arg, parse_args, save_token,
15444 push_arg_context, push_macro_context, pop_context,
15445 do_pop_context, free_macro_args, _cpp_get_line,
15446 _cpp_run_directive): New.
15448 * cpplib.c (validate_else, parse_include, push_conditional,
15449 pass_thru_directive, read_line_number, parse_ifdef,
15450 detect_if_not_defined, _cpp_check_directive, do_define,
15451 do_undef, do_include, do_import, do_include_next, do_error,
15452 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
15453 top_pragmas, do_pragma_gcc, do_pragma_implementation,
15454 do_pragma_poison, do_pragma_system_header,
15455 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
15456 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
15457 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
15458 cpp_defined): Update for new scheme.
15459 (strtoul_for_line, get_define_node, dump_macro_name,
15460 _cpp_check_linemarker, _cpp_parse_assertion): New.
15461 (_cpp_handle_directive, do_pragma_default): Delete.
15463 * cpphash.h (struct predicate): Now struct answer.
15464 (enum spell_type, struct token_spelling, struct directive,
15465 directive_handler): New.
15466 Update prototypes. Remove unused macros.
15467 * cpplib.h: Update prototypes. Remove unused macros,
15468 structure definitions, and fields.
15470 * cpperror.c (print_containing_files, v_message): Adjust.
15471 * cppexp.c (parse_assertion, lex, parse_escape,
15472 _cpp_parse_expr): Adjust.
15473 * cppfiles.c (open_include_file, _cpp_execute_include,
15474 _cpp_compare_file_date, cpp_read_file, read_include_file):
15476 * cppinit.c (dump_special_to_buffer): Delete.
15477 (append_include_chain, merge_include_chains, cpp_reader_init,
15478 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
15479 cpp_finish, handle_option, print_help): Adjust.
15480 * cppmain.c (main): Adjust.
15482 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15484 * cppspec.c (lang_specific_driver): Use double quotes in error
15487 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15489 * calls.c (emit_library_call_value_1): Use valreg instead
15490 of hard_libcall_value.
15492 2000-07-03 Geoff Keating <geoffk@cygnus.com>
15494 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
15495 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
15496 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
15504 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
15505 mode instead of wider_mode is being used.
15507 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15509 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
15510 of 'r'. Use q_regs_operand.
15511 (andsi_1+2): Use q_regs_operand.
15513 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15515 * builtins.c (get_memory_rtx): Always put into alias set 0.
15517 2000-07-03 Nick Clifton <nickc@cygnus.com>
15519 * config/arm/arm.md: Fix post increment and pre increment
15520 peepholes so that they do not generate UNPREDICATBLE opcodes.
15521 (ie ones where the increment clobbers the source/destination).
15523 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
15525 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
15526 change too big for -mtiny-stack" a warning, if larger than 63.
15527 (out_set_stack_ptr): Change the logic so -mno-interrupts is
15528 always safe to use on possible future devices.
15529 (function_prologue): Write SPH before SPL, for consistency.
15530 If interrupt_func_p true, we know we have enabled interrupts.
15531 (avr_num_arg_regs): New function. Round up to even number of
15532 bytes if no -mpack-args or if calling a libgcc function.
15533 (function_arg, function_arg_advance): Use it.
15534 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
15535 Output "movw" if available.
15536 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
15537 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
15538 (asm_output_section_name): Add blanks for consistent output.
15539 (encode_section_info): Set TREE_READONLY for progmem data to
15540 avoid gas warnings about changed section attributes.
15541 (avr_hard_regno_mode_ok): Force non-QImode data to start in
15542 even numbered registers on devices with "movw".
15543 * config/avr/avr.h (MASK_*): Define bits for target_flags.
15544 (TARGET_SWITCHES): Mark help strings for translation.
15545 Add new -mpack-args and -menhanced switches.
15546 (TARGET_OPTIONS): Mark help strings for translation.
15547 (progmem_section): Add section attributes.
15548 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
15549 Output "movw" if available.
15550 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
15552 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
15553 call convention (arguments aligned on even registers).
15554 (_cleanup, _exit): Make weak symbols libc can override.
15556 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15558 * fp-bit.h: New file.
15560 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
15561 Comment #endif statements.
15562 (__thenan_sf, __thenan_df): Add missing braces around initializer.
15564 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
15566 * gcse.c (compute_pre_data): Compute ae_kill using other local
15567 properties instead of calling compute_ae_kill.
15569 * alias.c (init_alias_analysis): Do not call
15570 prologue_epilogue_contains until after reload has completed.
15572 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
15574 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
15575 (genrtl_finish_compound_stmt): Likewise.
15576 (genrtl_compound_stmt): Change to return void.
15578 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
15579 move code from here to ...
15580 (genrtl_compound_stmt): ... here.
15581 (genrtl_finish_compound_stmt): Remove.
15582 (expand_stmt): Add comment.
15584 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
15586 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
15589 2000-07-02 Jakub Jelinek <jakub@redhat.com>
15591 * cpplib.h (struct cpp_reader): New field include_depth.
15592 (struct cpp_printer): Rename last_bsd to last_id.
15593 * cppfiles.c (read_include_file): Bump include_depth.
15594 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
15595 (output_line_command): Output correct #line if a header
15596 is including itself and is not protected against multiple inclusion.
15597 Use include_depth instead of buffer_stack_depth, last_id instead of
15599 * cppinit.c (cpp_start_read): Initialize last_id instead of
15602 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
15604 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
15605 (c-semantics.o): New target.
15607 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
15608 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
15609 (genrtl_clear_out_block): Likewise.
15610 (genrtl_goto_stmt): Likewise.
15611 (genrtl_expr_stmt): Likewise.
15612 (genrtl_decl_stmt): Likewise.
15613 (genrtl_if_stmt): Likewise.
15614 (genrtl_while_stmt): Likewise.
15615 (genrtl_do_stmt): Likewise.
15616 (genrtl_return_stmt): Likewise.
15617 (genrtl_for_stmt): Likewise.
15618 (genrtl_break_stmt): Likewise.
15619 (genrtl_continue_stmt): Likewise.
15620 (genrtl_scope_stmt): Likewise.
15621 (genrtl_switch_stmt): Likewise.
15622 (genrtl_case_label): Likewise.
15623 (genrtl_begin_compound_stmt): Likewise.
15624 (gerntl_finish_compound_stmt): Likewise.
15625 (genrtl_compound_stmt): Likewise.
15626 (genrtl_asm_stmt): Likewise.
15627 (genrtl_decl_cleanup): Likewise.
15628 (DECL_ANON_UNION_ELEMS): Likewise.
15629 (emit_local_var): Likewise.
15630 (make_rtl_for_local_static): Likewise.
15631 (expand_cond): Likewise.
15632 (expand_stmt): Likewise.
15633 (c_expand_return): Likewise.
15634 (c_expand_start_case): Likewise.
15635 (do_case): Likewise.
15636 (COMPOUND_STMT_NO_SCOPE): Likewise.
15637 (c_expand_asm_operands): Likewise.
15638 (NEW_FOR_SCOPE_P): New macro.
15639 (expand_expr_stmt_fn): New type.
15641 (set_current_function_name_declared): Likewise.
15642 (current_function_name_declared): Likewise.
15643 (lang_expand_stmt): Likewise.
15644 (stmts_are_full_exprs_p): Likewise.
15645 (anon_aggr_type_p): Likewise.
15646 (lang_expand_expr_stmt): Likewise.
15647 (build_case_label): Likewise.
15649 * c-decl.c (lang_expand_expr_stmt): Initialize.
15650 (stmts_are_full_exprs_p): Define.
15651 (current_function_name_declared): Likewise.
15652 (do_case): Likewise.
15653 (lang_expand_stmt): Likewise.
15654 (set_current_function_name_declared): Likewise.
15655 (anon_aggr_type_p): Likewise.
15657 * c-semantics.c: New file.
15658 (expand_cond): Moved from cp/semantics.c.
15659 (genrtl_do_pushlevel): Likewise.
15660 (genrtl_clear_out_block): Likewise.
15661 (genrtl_goto_stmt): Likewise.
15662 (genrtl_expr_stmt): Likewise.
15663 (genrtl_decl_stmt): Likewise.
15664 (genrtl_if_stmt): Likewise.
15665 (genrtl_while_stmt): Likewise.
15666 (genrtl_do_stmt): Likewise.
15667 (genrtl_return_stmt): Likewise.
15668 (genrtl_for_stmt): Likewise.
15669 (genrtl_break_stmt): Likewise.
15670 (genrtl_continue_stmt): Likewise.
15671 (genrtl_scope_stmt): Likewise.
15672 (genrtl_switch_stmt): Likewise.
15673 (genrtl_case_label): Likewise.
15674 (genrtl_begin_compound_stmt): Likewise.
15675 (genrtl_finish_compound_stmt): Likewise.
15676 (genrtl_compound_stmt): Likewise.
15677 (genrtl_asm_stmt): Likewise.
15678 (genrtl_decl_cleanup): Likewise.
15679 (make_rtl_for_local_static): Moved from cp/decl.c.
15680 (emit_local_var): Likewise.
15681 (expand_stmt): Define.
15683 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
15684 (c_expand_return): Likewise.
15685 (c_expand_start_case): Likewise.
15687 2000-07-01 Richard Henderson <rth@cygnus.com>
15689 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
15690 with the low 13 bits set.
15691 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
15692 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
15693 of the low 13 bits into a CONST plus an adddi3.
15694 (load_symptr): Set RTX_UNCHANGING_P.
15696 See ChangeLog.3 for earlier changes.