1 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3 * regrename.c (regrename_optimize): Don't rename from frame pointer
4 if frame_pointer_needed.
5 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7 (ia64_reorg): Use it instead of scheduling if ! optimize.
8 (errata_emit_nops): Properly call asm_noperands.
9 (ia64_sched_reorder): Finish cycle if we see an asm.
10 (ia64_variable_issue): Clear scheduling state after asms.
12 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
14 * cpp.texi: Update for -MT.
15 * cppinit.c (initialize_dependency_output): Add a default
16 target if none has been given already.
17 (no_tgt, OPT_MT): New.
18 (cpp_handle_option): Handle -MT. Update -M etc.
19 * cpplib.h (struct cpp_options): Remove deps_target.
20 * gcc.c (cpp_options): Handle -MT.
21 * mkdeps.c (struct deps): Move from mkdeps.h.
22 (deps_calc_target): Rename deps_add_default_target. Add a
23 default target if none has been specified already.
24 * mkdeps.h (struct deps): Move to mkdeps.c.
25 (deps_calc_target): Rename deps_add_default_target.
27 2000-01-03 Richard Henderson <rth@redhat.com>
29 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
31 * c-typeck.c (push_init_level): Move checks for flexible array
32 members and zero length arrays ...
33 (pop_init_level): ... here. Silently discard empty initializations.
35 * varasm.c (output_constructor): Update for sizeof change to
38 * extend.texi (Zero Length): Clarify semantics.
40 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
42 * configure.in (tm.h): Include isns-codes.h last.
45 2001-01-03 Richard Henderson <rth@redhat.com>
47 * config/alpha/alpha.md (addvsi3, addvdi3): New.
48 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
50 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
52 * tradcpp.c (main): Make sure finclude() is called with a valid
53 indepth value while handling -include.
55 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
57 * gencodes.c (output_predicate_decls): New function.
59 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
60 even if it is not the first time machmode.h is #included.
61 * config/sh/sh.c (fpul_operand): Declare MODE argument.
62 * tm.texi (PREDICATE_CODES): Document predicate declarations.
63 * gcc.texi (Copyright): Added 2001.
65 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
67 * c-common.c (c_common_lang_init): New function. Warn if format
68 warning options which only have effects when used with -Wformat
69 are used without -Wformat.
70 * c-common.h (c_common_lang_init): Declare.
71 * c-lang.c (lang_init): Call c_common_lang_init.
72 * objc/objc-act.c (lang_init): Call c_common_lang_init.
74 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
76 * configure.in: Check for the mktemp command.
77 * configure: Regenerate.
78 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
79 $TEMP. Create temporary files with mktemp, if available at
80 configure time; otherwise use set -C. Remove temporary files
83 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
85 * configure.in: Require at least texinfo 4.0. Check for whether
86 Pod::Man is sufficiently recent to regenerate GCC manpages.
87 * configure: Regenerate.
88 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
90 (GENERATED_MANPAGES): Define.
91 (generated-manpages): New target. Depend on cpp.1 as well as
93 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
94 configure to generated-manpages or empty) rather than on the
95 manpages directly. Remove execute permission from installed
96 gcov.1 as well as cpp.1.
97 * cpp.1, gcov.1: Regenerate.
99 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * builtins.c (expand_builtin_strncmp): Use host_integerp and
102 tree_low_cst. Allow using cmpstrsi in more cases.
104 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
106 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
109 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
111 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
112 * Makefile.in (HOST_CFLAGS): Mention build-make.
114 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
116 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
119 2001-01-01 Bernd Schmidt <bernds@redhat.com>
121 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
124 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
127 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
128 reg_base_value and reg_known_value arrays.
129 (init_alias_analysis): Add more cases to detect known values.
130 * sched-deps.c (deps_may_trap_p): New function.
131 (sched_analyze_2): Use it.
133 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
135 * combine.c (simplify_shift_const): Even if we're sign-extracting,
136 don't discard an ASHIFTRT if we're shifting in a wider mode.
138 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
140 * toplev.c (rest_of_compilation): Don't print basic block information
141 when CFG isn't up to date.
143 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
145 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
146 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
147 (UNALIGNED_SHORT_ASM_OP): Define.
148 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
150 2001-01-02 Mark Mitchell <mark@codesourcery.com>
152 * fold-const.c (fold_convert): Fix typo.
154 2001-01-02 Richard Henderson <rth@redhat.com>
156 * c-common.h (ASM_INPUT_P): New.
157 * c-parse.in (asm): Set it when needed.
158 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
159 existance of an operand.
161 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
163 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
164 (dwarf2out_frame_debug_expr): Likewise.
165 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
167 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
169 * i386.c (ix86_split_to_parts): Return number of part required;
171 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
173 (ix86_split_long_move): Use number of part returned
174 by ix86_split_to_parts
175 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
177 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
178 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
179 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
180 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
181 (ALIGN_MODE_128): Add TFmode.
182 (IS_STACK_MODE): Likewise.
183 (HARD_REGNO_NREGS): TFmode needs 3 registers.
184 (HARD_REGNO_OK): Support TFmodes.
185 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
186 * i386.md (scheduler definitions): Use memory operand to determine
187 fst/fld instructions; use mode attribute to determine real mode of
189 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
190 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
192 2001-01-02 Mark Mitchell <mark@codesourcery.com>
194 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
196 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
198 * expr.c (store_constructor_field): Update ALIGN before calling
201 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
203 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
206 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
208 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
211 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
213 * c-decl.c (start_function): Don't warn on third parameter to main.
215 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * tsystem.h: Define HAVE_DECL_GETOPT.
219 2001-01-02 Philip Blundell <pb@futuretv.com>
221 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
224 2001-01-02 Richard Henderson <rth@redhat.com>
226 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
228 2001-01-02 Andreas Jaeger <aj@suse.de>
230 * c-decl.c (c_decode_option): Remove support of
233 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
234 (W_options): Add -Wmissing-noreturn here.
236 * flow.c: Define lang_missing_noreturn_ok_p.
237 (check_function_return_warnings): Use it.
239 * c-common.h: Declare lang_missing_noreturn_ok_p.
241 * c-lang.c (c_missing_noreturn_ok_p): New function.
242 (lang_init): Set lang_missing_noreturn_ok_p.
244 * invoke.texi (Warning Options): Document this.
246 2000-12-27 Phil Edwards <pme@sources.redhat.com>
248 * extend.texi (C++ Extensions): New node for C++ attributes;
249 describe init_priority and com_interface.
250 * invoke.texi: Remove -finit-priority as it now has zero effect.
251 * install.texi: Fix xref syntax.
254 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
256 * config.gcc (sparc64-wrs-vxworks*): New case.
257 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
259 * config/sparc/sparc.c (sparc_override_options): Do support different
260 pointer and architecture size.
261 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
262 (POINTERS_EXTEND_UNSIGNED): Define.
263 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
264 (FUNCTION_MODE): Define to be Pmode.
265 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
267 * function.c (expand_function_end): Properly handle DECL_RESULT
268 and copy when ptr_mode != Pmode.
269 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
271 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * c-common.c (c_common_nodes_and_builtins): Set prototype
274 parameters for __builtin_fputs, __builtin_fputc and
275 __builtin_fwrite. Don't declare plain fputc as a builtin.
277 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
279 * loop.c (add_label_notes): Increment the label usage count when
280 a note is added to an insn which refers to a CODE_LABEL.
281 * gcse.c (add_label_notes): Likewise.
283 2001-01-01 Andreas Jaeger <aj@suse.de>
285 * loop.c (scan_loop): Use xmalloc to allocate movables.
287 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
289 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
290 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
291 * reload1.c (REGISTER_MOVE_COST): Likewise.
292 * regclass.c (REGISTER_MOVE_COST): Likewise.
293 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
294 dimension. Adjust all users.
295 (init_reg_sets_1): Iterate on all modes.
296 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
297 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
298 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
299 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
300 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
301 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
302 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
303 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
304 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
305 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
306 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
307 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
308 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
309 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
310 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
311 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
312 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
313 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
314 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
315 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
316 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
317 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
318 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
319 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
320 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
321 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
322 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
324 2001-01-01 Bernd Schmidt <bernds@redhat.com>
326 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
327 arg VARIES_P. Call it with extra arg.
328 (true_dependence): Likewise.
329 * rtl.h (rtx_addr_can_trap_p): Declare.
330 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
332 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
333 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
334 pic offset table register if it's zero. All callers changed.
335 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
337 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
340 STRING_POOL_ADDRESS_P.
342 * config/sparc/sparc.c (input_operand): Properly test for short op.
344 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
345 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
346 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
347 * config/sparc/elf.h: No longer include sol2.h.
348 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
349 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
351 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
353 2001-01-01 Michael Hayes <mhayes@redhat.com>
355 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
356 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
357 (record_initial): Likewise.
358 * unroll.c (copy_loop_body, loop_iterations): Likewise.
359 (remap_split_bivs): Likewise.
361 2001-01-01 Michael Hayes <mhayes@redhat.com>
363 * loop.c (loop_ivs_free): New function.
364 (strength_reduce): Break out from...
366 2001-01-01 Michael Hayes <mhayes@redhat.com>
368 * loop.h (struct iv): New.
369 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
370 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
371 'reg_biv_class' fields with 'regs' and 'n_regs'.
372 (struct ivs): Rename 'loop_iv_list' field to 'list'.
373 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
374 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
376 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
378 * resource.c (mark_referenced_resources): Abort() before
379 attempting to mark a pseudo register.
380 (mark_set_resources): Likewise.
382 2001-01-01 Michael Hayes <mhayes@redhat.com>
384 * loop.h (REG_IV_CLASS): New accessor macro.
385 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
386 * unroll.c (REG_IV_CLASS): Likewise.
388 Sun Dec 31 19:20:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
390 * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR): New.
391 (loc_descriptor_from_tree, case SAVE_EXPR): New.
393 2001-01-01 Michael Hayes <mhayes@redhat.com>
395 * loop.c (loop_giv_reduce_benefit): Break out from strength_reduce.
396 (loop_givs_dead_check, loop_givs_reduce, loop_givs_rescan): Likewise.
397 (prescan_loop): Set pre_header_has_call in loop_info.
398 * loop.h (struct_iv_class): Add `final_value' and `all_reduced'.
399 (struct loop_info): Add `pre_header_has_call'.
401 * loop.c (loop_bivs_find): Break out from strength_reduce.
402 (loop_bivs_init_find, loop_bivs_check, loop_givs_find): Likewise.
403 (loop_givs_check, loop_biv_eliminable_p): Likewise.
405 * loop.c (LOOP_REG_LIFETIME, LOOP_REG_GLOBAL_P): Define.
406 (scan_loop, record_giv): Use LOOP_REG_LIFETIME and LOOP_REG_GLOBAL_P.
408 * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Define.
409 * loop.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Use in place of
410 direct access to uid_luid array.
411 * unroll.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Likewise.
413 * loop.h (struct loop_movables): New.
414 (LOOP_MOVABLES): New.
415 (struct loop_info): Add movables field.
416 * loop.c (struct movables): Delete. Replace all uses
417 with struct loop_movables.
418 (the_movables): Delete. Replace all uses with movables
420 (loop_movables_add, loop_movables_free): New functions.
421 (scan_loop): Use xmalloc instead of alloca for movables.
422 Call loop_movables_free.
424 * loop.c (debug_loops): New.
426 2000-12-31 Philip Blundell <philb@gnu.org>
428 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm
431 2000-12-30 Richard Henderson <rth@redhat.com>
433 * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC.
434 Initialize variables properly for DBX_LBRAC_FIRST.
436 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
438 * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change.
440 2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * builtins.c (validate_arglist): New function, use it.
444 2000-12-30 Philip Blundell <philb@gnu.org>
446 * config/arm/arm.c (arm_expand_prologue): Fix typos in error
447 message and comment. Note location of testcase for an unhandled
450 2000-12-30 Jeffrey Oldham <oldham@codesourcery.com>
452 * defaults.h (BUILD_VA_LIST_TYPE): New definition.
453 * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
454 is a copy, not an alias.
456 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
458 * calls.c (calls_function_1, case CONSTRUCTOR): New case.
460 * alias.c (alias_sets_conflict_p): New function.
461 (mems_in_disjoint_alias_sets_p): Use it.
462 (readonly_fields_p): Moved from expr.c; check for record type.
463 (objects_must_conflict_p): New function.
464 * calls.c (expand_call): Use assign_temp as much as possible, use
465 readonly variant if assigned once, and don't set memory attributes.
466 (emit_library_call_value_1, store_one_arg): Likewise.
467 * integrate.c (expand_inline_function): Likewise.
468 * stmt.c (expand_asm_operands, expand_return): Likewise.
469 * expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
470 (store_field, save_noncopied_parts, expand_expr): Likewise.
471 (expand_expr_unaligned): Likewise.
472 (readonly_fields_p): Moved to alias.c.
473 (safe_from_p): Rework handling of SAVE_EXPR.
474 MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
475 * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
476 (assign_stack_for_temp): Use objects_must_confict_p.
477 Set all memory attributes from type, if specified.
478 (mark_temp_slot): Mark TYPE field.
479 * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
480 (objects_must_conflict_p): Likewise.
482 * stmt.c (expand_decl): Don't use assign_stack_temp in error case.
483 (add_case_node): No need to copy nodes anymore.
485 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
487 * config/sh/sh.c (split_branches): Don't dereference re-computed
488 `beyond' before checking it's non-NULL.
490 2000-12-29 Robert Lipe <robertl@sco.com>
492 Remove COFF support from i?86-pc-sco3.2v5.
493 * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II.
494 (TARGET_ELF): Now always true.
495 (SUBTARGET_SWTICHES: )Remove -mcoff.
497 * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
498 MULTILIB_EXCEPTION): Nuke coff.
499 (CRTSTUFF_T_CFLAGS_S): Deleted.
500 (TARGET_LIBGCC2_CFLAGS): Added.
502 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
504 * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO
505 twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO
508 2000-12-29 Bernd Schmidt <bernds@redhat.com>
510 * ia64.c (ia64_expand_load_address): Accept additional scratch
511 register argument. All callers & prototype changed.
512 Use scratch register when generating load_symptr insns.
513 * ia64.md (movdi_symbolic): Clobber a scratch register. Use it
514 when calling ia64_expand_load_address.
515 (movdi): Generate movdi_symbolic with additional operand.
516 (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1).
517 (load_symptr): Likewise. Use additional operand as a scratch
518 register instead of generating it here.
520 * basic-block.h: Add a comment.
521 * flow.c (PROP_POSTRELOAD): New macro.
522 (update_life_info): Add it to prop_flags.
523 (mark_set_1): If it is set, compute REG_N_SETS for the original
524 register number of a hard reg.
526 * emit-rtl.c (gen_raw_REG): New function.
527 (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of
529 * print-rtl.c (print_rtx): Print ORIGINAL_REGNO.
530 * final.c (alter_subreg): Update it.
531 * regrename.c (do_replace): Likewise. Use gen_raw_REG.
532 * rtl.def (REG): Update comment.
533 * rtl.h (X0UINT, ORIGINAL_REGNO): New macros.
534 (gen_raw_REG): Declare.
536 2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
538 * tree.c (get_set_constructor_bits): Use host_integerp and
541 * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN.
543 * toplev.c (main): Call xmalloc_set_program_name.
544 * gcc.c (main): Likewise.
546 2000-12-29 Philip Blundell <philb@gnu.org>
548 * config/arm/arm.c (arm_override_options): Fix typo in warning
551 2000-12-29 Richard Henderson <rth@redhat.com>
553 * config/alpha/alpha.c (alpha_expand_block_move): Initialize
554 src_align and dst_align in bits. Do unaligned quadword loads
555 if possible for BWX too.
556 (alpha_expand_block_clear): Initialize align in bits. Track
557 small leading offsets into a larger alignment. Play games with
558 stq_u for large 4-byte aligned blocks. Use load/mask/store
559 for appropreately aligned heads and tails.
561 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
563 * function.c (assign_parms): Convert arguments passed by
564 reference to the right mode.
566 2000-12-28 Geoffrey Keating <geoffk@redhat.com>
568 * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
569 on the condition of a FOR statement, so that it gets typechecked
572 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
574 * c-decl.c (grokdeclarator): Prevent crash in case of overflow in
577 * calls.c (emit_library_call_value_1): Add to call_fusage the
578 stack slot assigned to argument passed by reference.
580 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
582 * toplev.h (extern really_sorry): Remove extern declaration for
583 nonexistent function.
585 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
587 * varasm.c (initializer_constant_valid_p): Indicate subtraction of
588 pointers to the same string constant is absolute.
590 2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk>
592 * c-common.c (enum format_type): Add strfmon_format_type.
593 (decl_attributes): Handle format attributes strfmon and
595 (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
596 FMT_FLAG_EMPTY_PREC_OK): Define.
597 (format_char_info): Update comment for flag_chars.
598 (format_flag_spec): Add skip_next_char.
599 (format_kind_info): Add left_precision_char.
600 (printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
601 format_types): Update for these new structure members and flags.
602 (time_char_table): Make const.
603 (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
604 monetary_char_table): New.
605 (format_types): Add details of strfmon formats.
606 (init_function_format_info): Create default attribute for strfmon.
607 (check_format_info_main): Check the new flags. Handle
608 skip_next_char and left precision.
609 * toplev.c (documented_lang_options): Update description of
611 * extend.texi: Document strfmon format attributes. Document
612 attribute forms such as __printf__. Clarify format_arg attribute
614 * invoke.texi (-Wformat): Update for strfmon formats.
616 2000-12-28 Andreas Jaeger <aj@suse.de>
618 * expmed.c (store_bit_field): Fix last patch.
620 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
622 * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing
625 2000-12-28 Alan Lehotsky <lehotsky@tiac.net>
627 * expmed.c (store_bit_field): Correctly compute smallest mode that
628 is sufficient to contain all bits we are storing.
630 2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
632 * builtins.c (build_function_call_expr): New function. Use it
633 everywhere in lieu of manually constructing a CALL_EXPR.
635 2000-12-27 Chandrakala Chavva <cchavva@redhat.com>
637 * calls.c (store_one_arg): If parm is passed both in stack and in
638 register and offset is greater than reg_parm_stack_space, split
639 the offset and call emit_push_insn().
641 2000-12-27 Nick Clifton <nickc@redhat.com>
643 * ifcvt.c (noce_emit_store_flag): Handle jump insns that are
646 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
648 * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related
651 2000-12-27 Bruce Korb <bkorb@gnu.org>
653 * fixinc/Makefile.in: fix for ancient Bourne shell
654 * fixinc/Makefile.BEOS: obsolete
655 * fixinc/Makefile.DOS: obsolete
656 * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing
658 2000-12-27 Bernd Schmidt <bernds@redhat.com>
660 * sched-deps.c (get_condition, conditions_mutex_p): New functions.
661 (add_dependence): Use them to avoid adding unnecessary dependencies
662 between conditionally executed insns.
663 (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free
664 dependency lists if current insn is a COND_EXEC.
666 2000-12-27 Geoffrey Keating <geoffk@redhat.com>
668 * config/rs6000/rs6000.md (define_attr "length"): Correct
671 2000-12-26 Kazu Hirata <kazu@hxi.com>
673 * config/h8300/h8300.c: Fix a comment typo.
674 (get_shift_alg): Fix a typo in the assembly code for 12-bit
675 ASHIFTRT in HImode. Do not output extra whitespace after one line
676 of assembly code. Output a tab after an opcode instead of a
678 (emit_a_shift): Output a tab after an opcode instead of a space.
680 2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
682 * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
683 out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
684 %4 in output templates, do not modify operands passed by the caller.
686 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
688 * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
690 * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
691 BUILT_IN_LLABS and BUILT_IN_IMAXABS.
692 * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
693 builtin labs, llabs and imaxabs.
694 (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
695 and BUILT_IN_IMAXABS.
697 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
699 * c-common.c (builtin_function_2): New function.
700 (c_common_nodes_and_builtins): Use it to define each pair (foo,
701 __builtin_foo) of builtins in one place.
703 2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
705 * gccbug.in: Add libgcj and preprocessor categories.
707 2000-12-22 Bernd Schmidt <bernds@redhat.com>
709 * config/ia64/ia64.c (itanium_reorder): Only schedule stops in
710 the final scheduling pass.
712 2000-12-22 Nick Clifton <nickc@redhat.com>
714 * config/arm/arm.h (struct machine_function): Add new field
715 'lr_save_eliminated'.
716 * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the
717 link register if its save has been eliminated.
718 (output_arm_prologue): Mention if the save of the link register
720 (output_arm_epilogue): Rename 'live_regs_mask' to
722 Test 'saved_regs_mask' for the link register, not regs_ever_live.
723 (arm_expand_prologue): If the link register has not been saved set
724 lr_save_eliminated and emit a USE to prevent later passes from
727 * dwarf2out_frame_debug_expr: Allow the (scratch) frame
728 pointer to be initialised from the stack pointer plus a
731 2000-12-22 Bernd Schmidt <bernds@redhat.com>
733 * regrename.c (struct du_chain): New field "earlyclobber".
734 (enum scan_actions): Remove unused entry "note_reference".
735 (enum scan_actions_name): Likewise.
736 (note_sets, clear_dead_regs, merge_overlapping_regs): New static
738 (regrename_optimize): Use them to compute unavailable regs; get
739 rid of the more simpleminded code we used to have here.
740 Use a tick array to ensure registers are allocated in a more
741 round-robin way. Disable code that only optimizes registers
742 that were seen more than once.
743 (referenced_regs): Remove variable.
744 (scan_rtx_reg): New arg "earlyclobber". All callers changed.
745 Store its value in newly generated du_chain structures.
746 Add new du_chains at the end, not the start, of the list.
747 Don't handle the "note_reference" action.
748 (scan_rtx): New arg "earlyclobber". All callers changed.
749 (build_def_use): Lose code to keep track of referenced regs.
751 2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
753 * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo.
755 * fp-bit.h (usi_to_float): Add prototype.
757 * i386.c (ix86_expand_builtin): Delete unused label.
759 * dwarf2out.c (file_info_cmp): Prototype.
760 (dwarf2out_line): Hide variable `old_in_use'.
762 * objc-act.c (objc_fatal): Delete.
764 * sched-vis.c (visualize_stall_cycles): Remove unused variable.
766 * system.h (getopt): Fix error in last change.
768 * varasm.c (assemble_trampoline_template): Constify.
770 2000-12-22 Jason Merrill <jason@redhat.com>
772 * collect2.c (main): Use auto_demangling.
774 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
776 * function.c (assign_parms): Update parm's DECL_INCOMING_RTL
777 when optimizing PARALLEL to REG.
779 2000-12-22 Graham Stott <grahams@redhat.com>
781 * reload.c (update_auto_inc_notes): New, broken out from ...
782 (find_reloads_address_1): ... use here, also correct possible
783 use of uninitialised reloadnum.
785 2000-12-21 David O'Brien <obrien@FreeBSD.org>
787 * config/freebsd.h (LIB_SPEC): remove -kthread option.
789 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
791 * resource.c (mark_set_resources): Use MARK_SRC_DEST for
792 PRE_MODIFY and POST_MODIFY cases.
794 * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
796 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
798 * md.texi (Looping Patterns): New node.
800 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
802 * gcc.texi, cpp.texi: Update last-updated dates.
804 2000-12-21 Chandrakala Chavva <cchavva@redhat.com>
806 * varasm.c (output_addressed_constants): Use language specific
807 expander on unknown nodes.
809 2000-12-21 Graham Stott <grahams@redhat.com>
811 * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.
813 2000-12-21 Bernd Schmidt <bernds@redhat.com>
815 * Makefile.in (out_object_file): Depend on sched-int.h.
816 * rtl.h (single_set_1): New macro.
817 (single_set_2): Renamed from single_set_1 and extra argument added.
818 * rtlanal.c (single_set_2): Likewise.
820 * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate,
821 ia64_adjust_cost, ia64_sched_init, ia64_sched_finish,
822 ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue):
824 * config/ia64/ia64.c: Include "sched-int.h".
825 (hard_regno_rename_ok): Also disallow renaming from the various
827 (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class,
828 ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p,
829 safe_group_barrier_needed_p, fixup_errata): New static functions.
830 (rtx_needs_barrier): Handle bundle selector and cycle display
832 (emit_insn_group_barriers): Accept additional FILE * arg. All
833 callers changed. Rework to only generate stop bits between
834 basic blocks that haven't been inserted by scheduling.
835 (struct bundle, struct ia64_packet): New structures.
836 (NR_BUNDLES, NR_PACKETS): New macros.
837 (bundle, packets, type_names): New static arrays.
838 (ia64_final_schedule): New variable.
839 (ia64_single_set, insn_matches_slot, ia64_emit_insn_before,
840 gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles,
841 cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
842 find_best_packet, itanium_reorder, dump_current_packet, schedule_stop):
843 New static functions.
844 (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder,
845 ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New
847 (ia64_reorg): Perform a final scheduling pass.
848 * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs.
849 (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT,
850 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH,
851 MD_SCHED_VARIABLE_ISSUE): Define macros.
852 (ia64_final_schedule): Declare variable.
853 * config/ia64/ia64.md (attr itanium_class): Add some more classes.
854 (attr type): Account for them.
855 (itanium_requires_unit0): New attribute.
856 (function units): Rewrite.
857 (some splitters): Don't create scheduling barriers here.
858 (gr_spill_internal, gr_restore_internal): Don't predicate the
860 (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1,
861 bundle_selector): New patterns.
862 (insn_group_barrier): Now has an operand.
864 2000-12-21 DJ Delorie <dj@redhat.com>
866 * dwarf2out.c (simple_decl_align_in_bits): new
867 (field_byte_offset): Try both the type align and the
868 decl align, use whichever works, preferring the type align.
870 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
872 * gccbug.in: Fix typo.
874 2000-12-20 Benjamin Kosnik <bkoz@redhat.com>
876 * Makefile.in (gcc_gxx_target_include_dir): Use instead of
877 build_tooldir and libstdcxx_incdir.
879 2000-12-20 Robert Lipe <robertlipe@usa.net>
881 * haifa-sched.c (schedule_block): Provide empty source statement
882 if not MD_SCHED_REORDER2.
884 2000-12-20 Richard Henderson <rth@redhat.com>
886 * rtl.h (REG_NON_LOCAL_GOTO): New.
887 * rtl.c (reg_note_name): Update.
888 * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
889 * builtins.c (expand_builtin_longjmp): Likewise.
890 * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
893 2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
895 * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
896 Do not output undefined opcodes where source or destination register
897 overlaps with modified pointer register. Handle (X + d) addresses.
898 * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
899 in alternatives with memory operand.
901 2000-12-20 Richard Henderson <rth@redhat.com>
903 * c-typeck.c (build_asm_stmt): New, broken out from ...
904 (c_expand_asm_operands): ... here. Just do rtl expansion.
905 (c_expand_return): Return the new stmt node.
906 (c_start_case, do_case): Likewise.
907 * c-common.c (c_expand_expr_stmt): Likewise.
908 * c-common.h: Update declarations.
909 * c-tree.h: Likewise.
910 * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
911 * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
912 (nested_function, notype_nested_function): Likewise.
913 (compstmt): Return the compound statement not the binding level.
914 (lineno_labeled_stmt): Simplify.
915 (lineno_stmt, lineno_label): Set STMT_LINENO.
916 (stmt, label): Return the new stmt node.
918 2000-12-20 Bernd Schmidt <bernds@redhat.com>
920 * Makefile.in (OBJS): Add sched-ebb.o.
921 (sched-ebb.o): New rule.
922 (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
923 (haifa-sched.o): Depend on insn-flags.h.
924 * haifa-sched.c: Include "insn-flags.h".
925 (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
927 * rtl.h (schedule_ebbs): Declare.
928 * sched-int.h (struct sched_info): Add new members
929 contributes_to_priority and compute_jump_reg_dependencies.
930 * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
932 (region_sched_info): Add them.
933 * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
934 * sched-ebb.c: New file.
935 * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
937 * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
938 handle all relational operators.
940 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
942 * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
943 * tm.texi: Document it.
945 2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
947 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
948 instead of gcc_tooldir.
950 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
952 * system.h (getopt): Update prototype to match include/getopt.h.
954 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
957 * pa.c (basereg_operand): Simplify.
959 2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
961 * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
962 not block number. All callers and prototype changed.
963 (set_priorities): Likewise.
964 (save_line_notes): Add head and tail arguments; all callers and
966 (restore_line_notes): Likewise. Don't crash on insns generated
968 (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
969 Call MD_SCHED_INIT with additional argument.
970 When starting a new cycle, emit cycle_display insns if available.
971 Don't stop scheduling when encountering a JUMP_INSN, but add another
972 call to schedule_more_p in the inner loop.
973 Call MD_SCHED_REORDER2 after scheduling an insn.
974 Call MD_SCHED_FINISH once all insns are scheduled.
975 (sched_init): Compensate for the fact that get_block_head_tail
976 doesn't include leading notes.
977 * sched-deps.c (free_deps): Free vectors here.
978 * sched-rgn.c (compute_block_backward_dependencies): Not here.
979 (last_was_jump): New static variable.
980 (schedule_more_p): Test it.
981 (init_ready_list): Initialize it.
982 (can_schedule_ready_p): Set it if we have a JUMP_INSN.
984 * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
985 * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
986 * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
988 * md.texi (cycle_display): Document.
989 * tm.texi (MD_SCHED_INIT): Document new arg.
990 (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
992 * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
993 to use different representation. All callers changed.
994 (and_reg_cond): Renamed from nand_reg_cond; caller changed.
995 (init_propagate_block_info): Don't test flags to determine
996 whether to compute conditional lifetimes.
997 Adjust code for new representation of conditional lifetimes.
998 (mark_regno_cond_dead): Similar adjustment.
999 (free_reg_cond_life_info): Similar adjustment.
1000 (elim_reg_cond): New function.
1001 (flush_reg_cond_1): Use it.
1003 2000-12-19 Catherine Moore <clm@redhat.com>
1005 * reload1.c (reload_combine): Take multi-hard-regs into account
1006 when processing CALL_INSN_FUNCTION_USAGE.
1008 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1010 * invoke.texi (-print-search-dirs): Make references to cpp refer
1013 2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1015 * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
1018 Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
1020 * reload.c (push_reload): When using a dying register for the reload
1021 register in an in-out reload, use outmode if wider than inmode.
1023 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
1025 * config/d30v/d30v.h (EXIT_BODY): Update comment.
1027 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1029 * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
1030 * tm.texi (EXIT_BODY): Update documentation.
1031 * config/freebsd.h, config/netware.h, config/arm/coff.h,
1032 config/arm/conix-elf.h, config/arm/unknown-elf.h,
1033 config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
1034 sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
1035 commented out) and associated comments.
1037 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1039 * c-common.c (STD_C9L, ADJ_STD): Define.
1040 (printf_length_specs, scanf_length_specs): Mark "ll" as standard
1042 (T99_LL): Rename to T9L_LL.
1043 (T99_ULL): Rename to T9L_ULL.
1044 (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
1045 instead of T99_LL and T99_ULL.
1046 (check_format_info_main): Use ADJ_STD on all format standard
1047 versions being compared.
1048 * c-common.h: Declare warn_long_long.
1049 * c-tree.h: Don't declare warn_long_long.
1051 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
1053 * COPYING: Update to current
1054 ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
1055 to 19yy as example year in copyright notice).
1057 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * c-lex.c (cb_file_change): Treat in_system_header as strictly
1062 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1064 * cppmain.c: Update print.lineno with -P.
1066 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1068 * c-lex.c: s/change_file/file_change.
1069 * cpplib.h: Similarly.
1070 * cppmain.c: Similarly.
1071 * fix-header.c: Similarly.
1072 * cppfiles.c (stack_include_file): Pass the buffer location and
1073 size to cpp_push_buffer. Generate the file_change callback,
1074 so that sysp is already set.
1075 * cpphash.h: Add _cpp_do_file_change.
1076 * cpplib.c (do_line): Set buffer->sysp directly. Generate the
1077 file_change callback after setting sysp.
1078 (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
1080 (cpp_push_buffer): Don't generate a callback. Clear sysp.
1081 (cpp_pop_buffer): Clean up logic.
1083 2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
1085 * configure.in (gcc_gxx_include_dir): Simplify.
1086 (libstdcxx_incdir): Export.
1087 * configure: Regenerate.
1088 * Makefile.in (PREPROCESSOR_DEFINES): Add in
1089 GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
1090 (libstdcxx_incdir): Add.
1091 * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
1093 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
1095 * c-lex.c (lex_lineno): Remove.
1096 (init_c_lex, c_lex): Remove lex_lineno.
1097 (cb_change_file): Update lineno correctly, both before calling
1098 push_srcloc and before leaving the function.
1099 (cb_def_pragma): Set lineno before outputting diagnostics.
1101 Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1103 * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
1104 Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
1105 Use print_node_brief to print bounds.
1107 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1109 * cpplib.h (struct cpp_reader): Remove references to string_pool
1110 and temp_string_pool.
1111 * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
1112 ident_pool in place.
1113 * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
1114 save_comment, cpp_token_as_text): Similarly.
1115 * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
1116 * cppmacro.c (make_number_token, builtin_macro, lock_pools,
1117 unlock_pools, stringify_arg, paste_tokens): Similarly.
1119 Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1121 * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
1122 (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
1123 (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
1125 2000-12-17 Richard Earnshaw <rearnsha@arm.com>
1127 * Makefile.in (check-po): Use $(MAKE).
1128 (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
1130 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1132 * cppmain.c (check_multiline_token): New function.
1133 (scan_buffer): Use it.
1134 (cb_change_file): Restructure to avoid warning.
1135 * cpperror.c (print_location): Initialize col.
1137 2000-12-14 Philipp Thomas <pthomas@suse.de>
1139 * protoize.c (main): Correctly set locale categories.
1140 * gcc.c (main): Likewise.
1141 * cppmain.c (general_init): Likewise.
1142 * toplev.c (main): Likewise.
1143 * gcov.c (main): Likewise.
1144 * collect2.c (main): Likewise.
1146 2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1148 * c-common.c (c_common_nodes_and_builtins): Create a
1149 cstring_endlink, use it. Rename int_ftype_string_string to
1150 int_ftype_cstring_cstring, string_ftype_string_int to
1151 string_ftype_cstring_int, and string_ftype_string_string to
1152 string_ftype_cstring_cstring. Prefer sizetype_endlink and
1153 int_endlink to manually recreating them. Fix the prototype
1154 set for __builtin_strspn/__builtin_strcspn.
1156 2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
1158 * config/avr/avr.c (out_set_stack_ptr): Update comment.
1159 (print_operand): Add support for %~ and %o.
1161 2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1163 * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
1165 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
1167 * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
1168 * cpperror.c (print_containing_files): Get right line number.
1169 (print_location): Output column of 1 if 0.
1170 * cppfiles.c (stack_include_file): cpp_push_buffer handles
1172 * cpphash.h (_cpp_do_file_change): No longer external.
1173 * cpplib.c (do_file_change): Now local to cpplib.c.
1174 (do_line): Fake a buffer stack for preprocessed files.
1175 (cpp_push_buffer): Create a file_change callback. Handle faked
1177 (cpp_pop_buffer): Similarly.
1178 * cpplib.h: BUF_FAKE: New buffer type.
1179 * cppmain.c: Update to handle correct file renaming where a
1180 #line is the first line of the main file, and produce only
1181 the renamed file, not the original file, as output.
1183 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1185 * config/c4x/c4x.md: Remove redundant @s from output patterns.
1187 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1188 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1190 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
1192 * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
1194 * config/c4x/c4x.c (c4x_init_pragma): New function.
1195 (c_lex_func): New variable.
1196 (c4x_parse_pragma): Use c_lex_func.
1198 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1199 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1201 * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
1202 to c4x_init_builtins.
1204 * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
1206 * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
1207 (c4x_output_ascii): Fix.
1209 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1210 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1212 * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
1214 * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
1215 (c4x_expand_builtin): Likewise.
1217 * config/c4x/c4x.c (c4x_init_builtins): New function.
1218 (c4x_expand_builtin): Likewise.
1220 * config/c4x/c4x.md (floatunsqihf2): New pattern.
1221 (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
1222 (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
1223 (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
1224 (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
1226 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1228 * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
1229 * libgcc2.c (__absvsi2): Use Wtype and DWtype.
1230 (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
1231 (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
1233 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
1235 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
1236 statement in do/while(0).
1238 Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
1240 * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
1241 lshrhi3_cmpno): Remove redundant '@' from the template.
1243 * i386.md (cmpstrsi_1): Fix type of the compare.
1245 * genattrtab.c (attr_rtx_cost): New function.
1246 (simplify_test_exp): Avoid overactive inlining; use temporary
1249 Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1251 * diagnostic.c (finish_abort): Deleted.
1252 (fatal): Add code from finish_abort.
1253 (error_recursion, fancy_abort): Call fatal, not finish_abort.
1254 (trim_filename): Remove leading "../".
1255 * diagnostic.h (finish_abort): Deleted.
1256 * toplev.c (crash_signal): Call fatal, not finish_abort.
1258 * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
1259 as if size were variable.
1261 * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
1263 2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * tradcpp.c: T_WARNING: New.
1266 (do_warning): New function.
1267 (finclude): Skip past the newline and increase the line number
1268 before calling output_line_command.
1269 (do_line): Skip the new line after output_line_command. Don't
1270 pre-decrement the line number.
1272 2000-12-15 Diego Novillo <dnovillo@redhat.com>
1274 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
1275 _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
1277 2000-12-15 Jakub Jelinek <jakub@redhat.com>
1279 * gcc.c (cpp_options): Pass -fno-operator-names.
1280 * cpplib.h (struct cpp_options): Add operator_names.
1281 * cppinit.c (cpp_create_reader): Initialize it.
1282 (initialize_builtins): If -fno-operator-names, don't add
1283 C++ alternate operator names.
1284 (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
1285 (cpp_handle_option): Clear operator_names.
1287 2000-12-15 Jason Merrill <jason@redhat.com>
1289 * jump.c (jump_optimize_1): Don't delete the line note after the
1290 prologue even if it seems redundant.
1292 * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
1293 on all insns used to adjust the stack.
1295 Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
1297 * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
1298 hardreg<->reg moves.
1300 Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
1302 * genrecog.c (add_to_sequence): Remove special case for
1304 (maybe_both_true): Return 1 when falling out of sequence when
1305 trying to find common possition in the pattern.
1307 Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
1309 * integrate.c (copy_rtx_and_substitute): Copy mode too.
1311 Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
1313 * flow.c (notice_stack_pointer_modification_1): Cleanup.
1315 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
1317 * function.c (adjust_trampoline_addr): New function.
1318 (trampoline_address): Call it instead of round_trampoline_addr().
1319 * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
1321 2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
1323 * cppfiles.c (hack_vms_include_specification): Delete function
1324 (not used since 1998).
1326 Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
1328 * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
1330 2000-12-14 Jim Wilson <wilson@redhat.com>
1332 * alias.c (get_alias_set): Call record_component_aliases for
1334 (record_component_aliases): Handle COMPLEX_TYPE.
1336 2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1338 * fixinc/gnu-regex.c: Disable NLS.
1340 2000-12-14 Richard Henderson <rth@redhat.com>
1342 * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
1343 comparison operands when that would create non-canonical rtl.
1345 * config/i386/i386.md (umulsi3_highpart): Remove * from name.
1346 (smulsi3_highpart): Likewise.
1348 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1350 * gcc.c (cpp_options): Add -remap.
1352 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
1354 * gcc.c (cpp_options): Update to use '&'.
1355 (struct switchstr): Change type of validated to save space.
1356 New member 'ordering'.
1357 (handle_braces, validate_switches): Update to handle '&'.
1359 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
1361 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
1363 * fixinc/fixincl.x: regenerated.
1365 2000-12-13 DJ Delorie <dj@redhat.com>
1367 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
1369 2000-12-13 Tom Tromey <tromey@redhat.com>
1371 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
1373 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
1375 * function.c (assign_parms): Optimize incoming PARALLELs into
1378 2000-12-13 Bruce Korb <bkorb@gnu.org>
1380 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
1381 that cannot handle bi-directional pipes, viz. BeOS and DOS.
1382 * fixinc/fixlib.h(IGNORE_ARG): new macro
1383 (STATIC): define for all of fixinc to use
1384 * fixinc/fixfixes.c(*): eliminate unused arg warnings
1385 * fixinc/fixtests.c(*): ditto
1386 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
1387 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
1388 warning. Also, eliminate the ``#ifdef emacs'' stuff.
1389 (re_syntax_options): make global as it is declared so.
1390 * fixinc/mkfixinc.sh: process the argument list more consistently
1391 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
1392 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
1393 * fixinc/server.c(globals): ditto
1394 * fixinc/server.h(defines): ditto
1396 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1398 * tradcpp.c (special_symbol): Improve test for definedness,
1399 though it is still not perfect.
1400 (do_define): Don't define illegal macro names.
1402 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
1404 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
1405 if changing into .bss section.
1406 * config/mips/elf64.h: same.
1407 * config/mips/iris6.h: same.
1408 * config/mips/netbsd.h: same.
1409 * config/mips/openbsd.h: same.
1411 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
1413 * cppfiles.c (read_name_map): Return null if open () fails.
1414 (remap_filename): Simplify logic. Add ICE if it doesn't work
1415 as expected. Perform secondary lookup attempt on base filename
1418 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
1420 * flow.c (notice_stack_pointer_modification_1): Notice midifications
1421 using PRE_MODIFY and POST_MODIFY.
1423 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
1425 * genoutput.c (process_template): Add sanity checking for '@' templates.
1427 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
1429 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
1432 2000-12-12 Mike Stump <mrs@wrs.com>
1434 * Makefile.in (distclean): Remove safe-ctype.c as well.
1436 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
1438 * tradcpp.c (do_error): Cast difference of pointers to int
1441 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1443 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
1444 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
1446 2000-12-12 Jim Wilson <wilson@redhat.com>
1448 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
1450 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
1452 * configure.in: Simplify language enabling/disabling code.
1453 * configure: Rebuilt.
1454 * ch/config-lang.in (target_libs): Set.
1455 (build_by_default): Set to no.
1456 * cp/config-lang.in (target_libs): Set.
1457 * f/config-lang.in (target_libs): Set.
1458 * java/config-lang.in (target_libs): Set.
1459 * objc/config-lang.in (target_libs): Set.
1461 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * tradcpp.c (enum node_type): Add T_ERROR.
1464 (do_error): New function.
1465 (directive_table): Add #error handler.
1467 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1469 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
1471 * configure: Regenerated.
1472 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1473 * config/rs6000/rs6000.c (rs6000_unique_section): Use
1474 STRIP_NAME_ENCODING.
1476 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
1478 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
1479 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
1482 2000-12-11 Bruce Korb <bkorb@gnu.org>
1484 * fixinc/fixincl.tpl: initialize all fields for warnings
1485 * fixinc/fixincl.x: regenerate
1487 2000-12-11 Neil Booth <neilb@earthling.net>
1489 * tradcpp.h: For tradcpp, NUL is not whitespace.
1491 2000-12-11 Neil Booth <neilb@earthling.net>
1493 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
1495 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
1497 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
1498 (compare_diff_p, compare_eq_p): Call compare_condition.
1499 (out_tsthi, out_tstsi): Call compare_sign_p.
1500 (avr_progmem_p): Check for error_mark_node.
1502 2000-12-11 Neil Booth <neilb@earthling.net>
1504 * cpperror.c (print_location): New function.
1505 (print_containing_files): Simplify.
1506 (_cpp_begin_message): Simplify and use print_location.
1507 * cppfiles.c (stack_include_file): Update.
1508 (_cpp_pop_file_buffer): Update.
1509 * cpphash.h (struct cpp_buffer): New members
1510 include_stack_listed and type.
1511 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
1512 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
1513 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
1514 handle_assertion): Update.
1515 (cpp_push_buffer): Take a buffer type and file name.
1516 (cpp_pop_buffer): Update. Clear include_stack_listed.
1517 * cpplib.h (input_stack_listing_current): Remove.
1518 (enum cpp_buffer_type): New.
1519 (cpp_push_buffer): New prototype.
1520 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
1521 * fix-header.c (read_scan_file): Update.
1523 2000-12-10 Robert Lipe <robertlipe@usa.net>
1525 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
1528 2000-12-10 Richard Henderson <rth@redhat.com>
1530 * genrecog.c (find_operand): Handle 'V' format code.
1531 (find_matching_operand): New.
1532 (validate_pattern): Accept '=' for an in-out operand if there
1533 is another operand with a matching constraint.
1535 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
1538 2000-12-10 Richard Henderson <rth@redhat.com>
1540 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
1542 2000-12-09 Richard Henderson <rth@redhat.com>
1544 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
1545 STRICT_LOW_PART as SET_DEST have in-out constraints.
1547 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1549 * c-common.c (check_function_format): Don't suggest adding format
1550 attributes to functions with no parameter to which to add them.
1552 2000-12-09 Nick Clifton <nickc@redhat.com>
1554 * config/arm/arm.c (arm_expand_prologue): Mark the generated
1555 insn not the set as being DWARF2_FRAME_RELATED_P.
1557 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1559 * Makefile.in: use $(build_exeext) for all build
1560 system executable targets.
1562 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
1564 * install.texi: remove i[345]86-*-winnt3.5 section.
1565 * configur.bat: removed.
1566 * config/msdos: directory removed.
1568 2000-12-09 Neil Booth <neilb@earthling.net>
1570 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
1571 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
1572 * cpplex.c (parse_identifier): Improve diagnostic.
1573 (_cpp_lex_token): Return unconditionally at the end of a directive.
1574 * cpplib.c (read_flag): Verify legality of each flag.
1575 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
1576 (do_line): Use the new read_flag.
1577 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
1578 check_macro_redefinition, parse_params): Rename var_args to
1581 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
1583 * .cvsignore: Add info files.
1585 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
1587 * config/winnt: Remove obsolete directory.
1588 * install.texi (Configurations): Remove obsolete documentation for
1591 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
1593 * configure.in: Don't define INSTALL_INFO.
1594 * configure: Regenerate.
1595 * Makefile.in (INSTALL_INFO): Remove.
1596 (info): Depend on info files in source directory.
1597 (cpp.info, gcc.info, c-tree.info): Build info files in source
1599 (distclean): Don't remove info files.
1600 (maintainer-clean): Remove info files from source directory.
1601 (install-normal): Depend on install-info.
1602 (install-info): Install info files from source directory, if they
1604 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
1606 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
1608 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
1609 before taking its NOTE_LINE_NUMBER.
1611 2000-12-08 Nick Clifton <nickc@redhat.com>
1613 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
1615 * extend.texi: Document ARM "interrupt" function attribute.
1616 Mention that the ARM also support the "naked" function
1619 * config/arm/arm-protos.h (arm_current_func_type): Add
1622 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
1623 (struct machine_function): Add 'func_type' field.
1624 Define bit values for 'func_type' field.
1625 (ARM_FUNC_TYPE): New macro.
1626 (IS_INTERRUPT): New macro.
1627 (IS_VOLATILE): New macro.
1628 (IS_NAKED): New macro.
1629 (IS_NESTED): New macro.
1630 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
1632 * config/arm/arm.c (isr_attribute_args): New Structure. A
1633 list of "interrupt" function attribute modifiers.
1634 (arm_isr_value): New Function: Returns the type of the current
1636 (arm_compute_func_type): New Function: Computes the type of
1637 the current function.
1638 (arm_current_func_type): New Function: Returns the type of the
1640 (use_return_insn): Use arm_current_func_type.
1641 (arm_valid_type_attribute_p): Accept "interrupt" function
1643 (arm_comp_type_attributes): Check "interrupt" attributes.
1644 (arm_valid_machine_decl): Accept "interrupt" function
1646 (arm_function_ok_for_sibcall): Do not allow interrupt
1647 functions to use sibcalls.
1648 (arm_naked_function_p): Delete.
1649 (print_multi_reg): Remove redundant parameter 'hat'.
1650 (arm_compute_save_reg_mask): New Function: Compute a bit mask
1651 of registers saved during the current function's prologue.
1652 (output_arm_return_instruction): Use arm_current_func_type.
1653 Generate return instruction when LR is not poppsed off the
1655 (arm_volatile_func): Delete.
1656 (output_arm_prologue): Use arm_current_func_type and
1657 arm_compute_save_reg_mask.
1658 Note presernce of interrupt functions.
1659 (arm_output_epilogue): Use arm_current_func_type and
1660 arm_compute_save_reg_mask.
1661 (arm_expand_prologue): Use arm_current_func_type and
1662 arm_compute_save_reg_mask.
1663 (arm_init_machine_status): Initialise func_type field, if
1665 (thumb_expand_prologue): Use arm_current_func_type.
1666 (output_thumb_prologue): Use arm_current_func_type.
1668 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
1670 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
1672 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
1674 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
1677 2000-12-07 Mike Stump <mrs@wrs.com>
1679 * Makefile.in (distclean): Remove alloca.c hashtab.c.
1681 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
1683 * Makefile.in (HOST_RTL): Add safe-ctype.o.
1684 (safe-ctype.o): New rule.
1685 * system.h: Include safe-ctype.h, not ctype.h. No need to
1688 * cpphash.h: Zap IStable and related macros. Define is_* in
1689 terms of safe-ctype.h macros.
1690 * cppinit.c: Delete the IStable and all related code.
1692 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
1693 is_space arrays. Delete initialize_char_syntax. Change all
1694 references to the above arrays to use macros instead.
1695 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
1696 is_nvspace in terms of safe_ctype.h's macros.
1697 * tradcif.y: is_idchar, is_idstart are macros not arrays.
1699 * config/i370/i370.c, config/winnt/dirent.c,
1700 config/winnt/fixinc-nt.c, config/winnt/ld.c:
1701 Use uppercase ctype macros. If we included ctype.h,
1702 include safe-ctype.h instead.
1704 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
1705 ISLOWER(c) before calling TOUPPER(c).
1706 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
1707 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
1708 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
1710 2000-12-07 DJ Delorie <dj@redhat.com>
1712 * c-decl.c (grokdeclarator): preserve previous alignments when
1713 rebuilding array types.
1715 2000-12-07 Neil Booth <neilb@earthling.net>
1717 * cppfiles.c (struct include_file): Move from cpphash.h.
1718 (_cpp_never_reread): New function.
1719 (open_file, read_include_file): Use it.
1720 (stack_include_file): Set the buffer's sysp according to the
1721 path in which the file was found.
1722 (find_include_file): Don't set sysp.
1723 (cpp_make_system_header, actual_directory): Update.
1724 (_cpp_execute_include): Do #include_next lookup handling here,
1725 not in cpplib.c. Use _cpp_never_reread.
1726 * cpphash.h (struct_include_file): Remove.
1727 (struct cpp_buffer): New member sysp.
1728 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
1729 (_cpp_never_reread): New.
1730 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
1731 (end_directive): Clear line_extension flag.
1732 (_cpp_handle_directive): Set line_extension flag for #number.
1733 (do_include_next): Handle path lookup in _cpp_execute_include.
1734 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
1735 (_cpp_do_file_change): Update.
1736 (do_pragma_once): Use cpp_never_reread. Clean up.
1737 * cpplib.h (struct lexer_state): New member line_extension.
1739 2000-12-07 Richard Henderson <rth@redhat.com>
1741 * flow.c (calculate_global_regs_live): Force the stack pointer live
1742 after reload as well.
1744 2000-12-07 Bruce Korb <bkorb@gnu.org>
1746 * fixinc/Makefile.*(exeext): the variables are exeext, the
1747 substitution expression is build_exeext.
1749 2000-12-07 Neil Booth <neilb@earthling.net>
1751 * c-common.c (parse_in): Make a cpp_reader *.
1752 * cppfiles.c (_cpp_fake_include): Remove.
1753 * cpphash.h: Similarly.
1754 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
1755 #line always creates a callback; FC_RENAME if there are no
1757 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
1758 The first EOF must be our get_char buffer.
1760 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1762 * c-common.c (warn_format_security): New variable.
1763 (check_format_info): Warn about non-literal formats with no format
1764 arguments if either -Wformat-nonliteral or -Wformat-security is
1766 (set_Wformat): Set warn_format_security for settings other than 1.
1767 * c-common.h (warn_format_security): Declare.
1768 * c-decl.c (c_decode_option): Decode -Wformat-security and
1769 -Wno-format-security.
1770 * invoke.texi: Document -Wformat-security.
1771 * toplev.c (documented_lang_options): Include -Wformat-security
1772 and -Wno-format-security.
1774 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1776 * c-common.c (check_format_info): Warn for non-constant format
1777 strings with strftime formats if -Wformat-nonliteral. Where the
1778 format can convert arguments, if the format is not a string
1779 literal and there are no arguments to the format, give a different
1780 warning message from the general non-string-literal case.
1782 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1784 * c-common.c (format_wanted_type): Add reading_from_flag.
1785 (print_char_table): Mark %s and %S formats with flag "R".
1786 (check_format_info_main): Set up reading_from_flag appropriately.
1787 If aflag, always set writing_in_flag rather than relying on the
1788 format used being a scanf format and so having it set.
1789 (check_format_types): Check for formats reading through null
1792 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
1794 * invoke.texi (-Wformat): Document what format features are
1797 2000-12-06 Kazu Hirata <kazu@hxi.com>
1799 * config/h8300/h8300.h: Fix formatting.
1801 2000-12-06 Joel Sherrill <joel@OARcorp.com>
1803 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
1804 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
1805 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
1806 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
1807 config/h8300/rtems.h, config/mips/rtems.h: New files.
1809 2000-12-06 Mark Kettenis <kettenis@gnu.org>
1811 * config.gcc: Reorganize handling of *-*-gnu*, to share target
1812 specific make details with Linux. Update comments to clarify
1813 the distinction between GNU/Linux and GNU/Hurd.
1815 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
1817 * contrib.texi: Fix my email address. Update Per's
1818 list of contributions.
1820 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
1822 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
1823 * collect2.c (scan_libraries): Remove unused `ch'.
1824 (COFF specific stuff): Prototype ldgetname. Declare and prototype
1825 ldbtread and ldclose.
1827 * config/alpha/osf.h: Standarize copyright statement.
1828 * config/arc/arc.h: Likewise.
1829 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
1830 * config/arm/arm.c config/arm/arm.h: Likewise.
1831 * config/elxsi/elxsi.h: Likewise.
1832 * config/i386/sco.h: Likewise.
1833 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
1834 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
1835 * config/m68k/sun3.h: Likewise.
1836 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
1837 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
1838 * config/romp/romp.h: Likewise.
1839 * config/rs6000/aix41.h: Likewise.
1840 * config/sparc/sysv4.h: Likewise.
1841 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
1842 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
1843 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
1844 * longlong.h: Likewise.
1845 * libgcc2.c: Likewise.
1847 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1849 * machmode.def: Use correct definition for BITSIZE on targets where
1852 2000-12-06 Bruce Korb <bkorb@gnu.org>
1854 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
1857 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1859 * pa.c: Include expr.h before c-tree.h.
1860 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
1861 instead of reverse_condition.
1862 (print_operand): Correct predicates for GT, GE, LT and LE. Add
1863 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
1865 (cmpib_comparison_operator): Add GEU and LTU codes.
1866 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
1867 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
1868 bordered): New float conditional branch patterns.
1870 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
1872 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
1874 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
1876 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
1877 backslash and newline, when inside a comment.
1879 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
1881 * invoke.texi: Use @table @samp instead of @itemize @minus for
1882 table of language standards. Fix use of @pxref. From Zack
1883 Weinberg. Also exclude specs documentation from generated
1884 manpage, and create separate ENVIRONMENT section.
1886 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
1888 * gcse.c (compute_pre_data): Kill trapping expressions in
1889 destination blocks of abnormal edges.
1891 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
1893 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
1894 (mn10300_get_live_callee_saved_regs): Likewise.
1895 (mn10300_gen_multiple_store): Likewise.
1896 (store_multiple_operation): Likewise.
1897 (expand_prologue): Use mn10300_gen_multiple_store().
1898 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
1899 (mn10300_get_live_callee_saved_regs): Likewise.
1900 (mn10300_gen_multiple_store): Likewise.
1901 (store_multiple_operation): Likewise.
1902 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
1903 tied to store_multiple_operation().
1905 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
1907 * builtins.c (expand_builtin_setjmp_setup): Set
1908 current_function_has_nonlocal_label.
1910 2000-12-05 Neil Booth <neilb@earthling.net>
1912 * cppfiles.c (stack_include_file): Push zero-length buffers
1913 in case of failure. Return void, as we don't fail any more.
1914 (read_include_file): Check for files we shouldn't re-read.
1915 Don't return an error code; errors are implied by marking the
1917 (_cpp_execute_include): Move the recursion and in-macro checks
1918 here. Update for stack_include_file not failing.
1919 * cpplib.c (cpp_push_buffer): Always succeed, since
1920 _cpp_execute_include performs the recursion check. Tidy up.
1921 * cpplib.h (cpp_push_buffer): Update prototype.
1923 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
1925 * sched-vis.c (visual_tbl_line_length): New variable.
1926 (get_visual_tbl_length): Set it.
1927 (visualize_stall_cycles): Don't let stalls overrun
1928 visual_tbl_line_length.
1930 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
1932 * global.c (global_conflicts): Allow for a REG_UNUSED note
1933 with a different mode to the REG set in the insn.
1935 2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1937 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
1939 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
1941 2000-12-05 Bruce Korb <bkorb@gnu.org>
1943 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
1946 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
1948 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
1949 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
1950 to cope with aliased copies.
1951 * fixinc/fixincl.x: Regenerate.
1953 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
1955 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
1956 * sched-rgn.c: Likewise.
1957 (rgn_print_insn): Fix output.
1959 2000-12-05 Bruce Korb <bkorb@gnu.org>
1961 * fixinc/Makefile.*: make these more consistent
1962 * fixinc/mkfixincl.sh: enable BeOS fixincludes
1964 2000-12-05 Richard Henderson <rth@redhat.com>
1966 * stmt.c (warn_if_unused_value): Move side effects test earlier.
1968 2000-12-05 Alan Modra <alan@linuxcare.com.au>
1970 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
1973 2000-12-05 Richard Henderson <rth@redhat.com>
1975 * flow.c (calculate_global_regs_live): Only force stack pointer
1976 live before reload. Force pic register live before reload.
1977 (insn_dead_p): Don't protect pic references from deletion.
1979 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
1981 * invoke.texi: Add support for using texi2pod.pl. Don't use
1984 2000-12-04 Nick Clifton <nickc@redhat.com>
1986 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
1987 'tune_flags' for XScale nature.
1988 Remove spurious test of HARD_FLOAT and XScale flags.
1990 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
1991 contraint, accidentally changed during XScale contribution.
1993 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
1994 not create these functions if the target architecture does not
1995 support Thumb instructions.
1997 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
1999 * ONEWS: New file with the current contents of NEWS up to EGCS
2001 * NEWS: Generate automatically from online release notes from EGCS
2002 1.0 to GCC 2.95.2, using ../contrib/gennews.
2004 2000-12-04 Neil Booth <neilb@earthling.net>
2006 * tradcif.y: Move lexptr to top of file. Add rule to handle
2007 assertions in conditional expressions.
2008 * tradcpp.c (parse_answer): Assertions do not need to go to
2009 end of line in conditional directives.
2010 (parse_assertion): Get first character of identifiers correct.
2011 (test_assertion): New function.
2012 * tradcpp.h (test_assertion): New prototype.
2014 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
2016 * config.gcc: Fix typo for UnixWare 7.
2018 2000-12-03 Phil Edwards <pme@sources.redhat.com>
2020 * invoke.texi: Replace `pedwarns' with clearer text.
2022 2000-12-04 Bruce Korb <bkorb@gnu.org>
2024 * fixinc/Makefile.*(clean): don't clean autogenerated files.
2025 (mainainer-clean): clean autogenerated files
2027 2000-12-04 DJ Delorie <dj@redhat.com>
2029 * md.texi: Add overview, clarify match_dup and define_expand.
2031 2000-12-04 DJ Delorie <dj@redhat.com>
2033 * print-tree.c (print_node): Target-specific builtins print
2036 2000-12-04 Jason Merrill <jason@redhat.com>
2038 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
2041 * diagnostic.c (report_problematic_module): s/function/module/.
2043 * c-lex.h: Remove decl for check_newline.
2045 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2047 * README.APOLLO: Remove obsolete file.
2049 2000-12-04 Neil Booth <neilb@earthling.net>
2051 * cppinternals.texi: New file.
2053 2000-12-04 Neil Booth <neilb@earthling.net>
2055 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
2056 and operate on current buffer.
2057 (cpp_read_file): Rename _cpp_read_file.
2058 * cpplib.c (do_line, do_pragma_system_header): Update calls to
2059 cpp_make_system_header.
2060 * fix-header.c: Similarly.
2061 * cpphash.h (_cpp_read_file): Move from...
2062 * cpplib.h: ... here.
2063 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
2065 2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
2068 Handle another transformation.
2070 2000-12-03 Nick Clifton <nickc@redhat.com>
2072 * config.gcc: Add support for StrongARM targets.
2073 * config/arm/t-strongarm-elf: New file.
2074 * config/arm/t-strongarm-coff: New file.
2075 * config/arm/t-strongarm-pe: New file.
2076 * config/arm/strongarm-pe.h: New file.
2078 2000-12-03 Nick Clifton <nickc@redhat.com>
2080 * NEWS: Mention XScale has been added.
2081 * config.gcc: Add support for XScale targets.
2082 * config/arm/arm.h: Add support for XScale processor.
2083 * config/arm/arm.c: Add support for XScale processor.
2084 * config/arm/arm.md: Add support for XScale processor.
2085 * config/arm/t-xscale-elf: New file.
2086 * config/arm/t-xscale-coff: New file.
2087 * config/arm/xscale-elf.h: New file.
2088 * config/arm/xscale-coff.h: New file.
2090 2000-12-03 Richard Henderson <rth@redhat.com>
2092 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
2093 unless exception handling is enabled, and if not using sjlj.
2095 * builtins.c (expand_builtin_setjmp_setup): New.
2096 (expand_builtin_setjmp_receiver): New.
2097 (expand_builtin_setjmp): Split out _setup and _receiver functions.
2098 Move argument parsing in from ...
2099 (expand_builtin): ... here.
2100 * except.c (receive_exception_label): Branch around receiver
2101 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
2102 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
2103 * expr.h: Update builtin setjmp decls.
2105 2000-12-03 Bruce Korb <bkorb@gcc.org>
2107 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
2108 build machine name. Default to the target.
2110 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2112 * Makefile.in: use $(build_canonical), not $(canonical_build).
2114 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2116 * Makefile.in (OBJS): Add sched-rgn.o.
2117 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
2119 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2120 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2121 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2122 MAX_BLOCKAGE_COST): Move to sched-int.h.
2123 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
2124 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
2125 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
2126 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
2127 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
2128 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
2129 debug_regions, find_single_block_region, find_rgns, too_large,
2130 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
2131 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
2132 extract_bitlst, bblst, struct candidate, candidate_table,
2133 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
2134 SRC_PROB, target_bb, split_edges, compute_trg_info,
2135 debug_candidate, debug_candidates, bbset, bbset_size, dom,
2136 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
2137 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
2138 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
2139 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
2140 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
2141 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
2142 update_live, set_spec_fed, is_pfree, find_conditional_protection,
2143 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
2144 is_prisky, is_exception_free, add_branch_dependences,
2145 propagate_deps, compute_block_backward_dependences,
2146 debug_dependencies, is_cfg_nonregular, build_control_flow,
2147 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
2148 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
2149 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
2150 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
2151 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
2152 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
2153 rgn_rank, region_sched_info): Move to sched-rgn.c.
2154 (debug_reg_vector): Delete useless function.
2155 (get_bb_head_tail): Likewise.
2156 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
2157 no_real_insns_p, rm_line_notes, save_line_notes,
2158 restore_line_notes, rm_redundant_line_notes, sched_init): No
2160 (rm_line_notes, save_line_notes, restore_line_notes,
2161 schedule_block, set_priorities): Change argument to be a real
2162 basic block, not one of haifa's "bb"s. All callers changed
2163 (rm_other_notes): Initialize note_list here, not in
2165 (sched_finish): New function, called from schedule_insn. * *
2166 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
2167 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
2168 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
2169 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
2170 (get_block_head_tail, no_real_insns_p, rm_line_notes,
2171 save_line_notes, restore_line_notes, rm_redundant_line_notes,
2172 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
2173 sched_init, sched_finish, ready_add, insn_cost): Declare.
2175 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
2176 Bruce Korb <bkorb@gnu.org>
2178 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
2179 * fixinc/mkfixinc.sh: accept build system name as an argument.
2180 Use it for choosing the fix build method. Use the target for
2181 selecting special fix rules.
2183 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
2185 * Makefile.in (OBJS): Add sched-deps.o.
2186 (sched-deps.o): New rule.
2187 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
2189 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
2191 (SIZE_FOR_MODE): Delete unused macro.
2192 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
2193 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
2194 anti_dependency_cache, output_dependency_cache,
2195 forward_dependency_cache): Variables moved to sched-deps.c.
2196 (add_dependence, remove_dependence, find_insn_list,
2197 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
2198 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
2199 sched_analyze, group_leader, compute_forward_dependences,
2200 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
2201 Functions moved to sched-deps.c.
2202 (schedule_region): Call init_deps_global and finish_deps_global
2203 instead of directly manipulating dependency data structures.
2204 * sched-deps.c: New file.
2205 (init_deps_global, finish_deps_global): New functions.
2206 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
2209 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
2212 * Makefile.in (OBJS): Add sched-vis.o.
2213 (sched-vis.o): New rule.
2214 * haifa-sched.c (get_unit_last_insn): New function.
2215 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
2217 (schedule_block): Call visualize_alloc and visualize_free. Delete
2218 spurious return statement.
2219 (init_target_units, insn_print_units, get_visual_tbl_length,
2220 init_block_visualization, print_block_visualization, safe_concat,
2221 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
2222 print_exp, print_value, print_pattern, print_insn, target_units,
2223 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
2224 n_vis_no_unit, vis_no_unit): Move scheduling visualization
2225 functions/variables...
2226 * sched-vis.c: ...here. New file.
2227 (visualize_alloc, visualize_free): New functions.
2228 (visualize_scheduled_insns, visualize_stall_cycles,
2229 print_block_visualization): Lose basic block argument. All callers
2231 (visualize_scheduled_insns): Use new function get_unit_last_insn.
2232 * sched-int.h (current_sched_info, sched_dump): Declare.
2233 (init_target_units, insn_print_units, init_block_visualization,
2234 print_block_visualization, visualize_scheduled_inns,
2235 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
2236 visualize_free): Declare functions.
2238 * sched-int.h: New file.
2239 * Makefile.in (haifa-sched.o): Depend on it.
2240 * haifa-sched.c: Include it.
2241 (no_real_insns_p): New function.
2242 (current_sched_info): New static variable.
2243 (__inline, HAIFA_INLINE): Moved to sched-int.h.
2244 (get_block_head_tail): Minor cleanup.
2245 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
2246 rgn_print_insn, rgn_rank): New functions, broken out of
2247 rank_for_schedule, schedule_insn and schedule_block, where they
2248 are now called through function pointers in current_sched_info.
2249 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
2250 print_insn): To display uid and block number, call the print_insn
2251 function pointer in current_schedule_info.
2252 (region_sched_info): New static variable.
2253 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
2254 variables, moved out of schedule_block.
2255 (schedule_block): Return void. All callers changed.
2256 Move some of the setup code into schedule_region. Get head/tail
2257 from current_sched_info, and update it when done.
2258 (schedule_region): Slightly rearranged, some code moved here from
2259 schedule_block. Call no_real_insns_p to avoid doing work for a
2260 block that consists only of notes and labels.
2261 (schedule_insns): Initialize current_sched_info.
2263 2000-12-03 Neil Booth <neilb@earthling.net>
2265 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
2266 by contexts drops AFTER argument pre-expansion, so that they
2267 remain enabled during argument pre-expansion.
2268 (_cpp_pop_context): Unconditionally re-enable a macro when
2269 dropping a context level.
2271 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
2273 * arm/t-linux (MULTILIB_OPTIONS): Comment.
2274 (MULTILIB_DIRNAMES): Likewise.
2275 (EXTRA_MULTILIB_PARTS): Likewise.
2277 (INSTALL_LIBGCC): Likewise.
2279 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
2282 expand_builtin_strspn, expand_builtin_strcspn): New functions.
2283 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2284 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
2286 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
2287 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
2289 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2290 strcat, strncat, strspn and strcspn.
2291 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
2293 * extend.texi (strcat, strcspn, strncat, strspn): Document new
2296 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
2299 expanding strcmp at compile-time. Add another transformation.
2300 (expand_builtin_strncmp): Add more transformations. Call
2301 expand_builtin_memcmp, not expand_builtin_strcmp, under
2302 appropriate conditions if HAVE_cmpstrsi.
2304 2000-12-02 David Edelsohn <edelsohn@gnu.org>
2306 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
2308 (cr logic): Really make operands sequential.
2310 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
2312 * c-common.c (combine_strings): When the ISO C standard specifies
2313 the maximum length of a string, it doesn't include the trailing
2316 * cpplib.c (do_ifdef): Add check_eol() call.
2317 (do_ifndef): Likewise.
2319 2000-12-02 Daniel Berlin <dberlin@redhat.com>
2320 Bruce Korb <bkorb@gnu.org>
2322 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
2323 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
2324 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
2325 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
2326 use the "__need_" hackery. It breaks them.
2327 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
2328 Sometimes on DOS and BeOS the temp output file cannot be opened.
2329 Skip the file noisily. Ought to be fixed instead.
2331 2000-12-02 Bruce Korb <bkorb@gnu.org>
2333 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2335 * fixfixes.c (emit_gnu_type, format_write): Prototype.
2336 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
2337 custom uppercase ctype macros.
2338 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
2339 Use gcc's custom uppercase ctype macros.
2341 (machine_matches): Add static prototype and constify variable.
2342 (create_file, test_test, egrep_test): Add static prototype.
2343 (quoted_file_exists): Likewise, and constify parameters.
2344 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
2345 write_replacement, test_for_changes): Add static prototype.
2346 (write_replacement, test_for_changes): Delete excess argument to
2348 * fixtests.c (test): Make static.
2349 * server.c (load_data, sig_handler, server_setup, find_shell): Add
2351 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
2353 2000-12-02 Bruce Korb <bkorb@gnu.org>
2355 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
2356 (per Laurynas Biveinis <lauras@softhome.net>)
2358 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
2360 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
2362 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
2363 (REGNO_OK_FOR_FOR_BASE_P): Delete.
2364 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
2365 both strict and non-strict uses.
2366 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
2367 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
2368 (REG_OK_FOR_INDEX_P): Define in terms of above.
2369 (REG_OK_FOR_BASE_P): Delete.
2370 (REG_OK_FOR_PRE_POST_P): Delete.
2371 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
2372 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
2373 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
2374 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
2375 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
2376 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
2377 in pre/post increment cases.
2378 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
2379 (ARM_LEGITIMIZE_ADDRESS): Similarly.
2380 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
2381 * arm.c (legitimate_pic_address): Similarly.
2383 2000-12-02 Neil Booth <neilb@earthling.net>
2385 * tradcpp.c (struct answer, parse_assertion, parse_answer,
2386 canonicalize_text, find_answer): New.
2387 (do_assert, do_unassert): Provide appropriate function bodies.
2388 (union hashval): New member answers.
2390 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
2392 * config/avr/avr.md: Document UNSPEC usage.
2393 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
2394 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
2395 MEM for program memory word reference. Do not add the label to
2396 the table index in each of the asm output templates, instead ...
2397 (casesi): ... do it in RTL. Adjust to match the above change.
2399 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2401 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
2402 * c-decl.c: ... not here.
2404 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
2405 (old_max_uid): New variable.
2406 (compute_forward_dependences): Renamed from
2407 compute_block_forward_dependences; changed to accept block head and
2408 tail instead of block number. Caller changed.
2409 (free_deps, init_dependency_caches, free_dependency_caches,
2410 init_regions, sched_init): New functions, split out from
2411 schedule_insns and compute_block_backward_dependences.
2413 2000-12-02 Neil Booth <neilb@earthling.net>
2415 * cppexp.c (parse_number): Update diagnostic test.
2417 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
2419 * reload1.c (free_for_value_p): New function, frontend to
2420 reload_reg_free_for_value_p. All callers of the latter now call
2421 this function with an additional mode argument.
2423 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2425 * install.texi (Configurations): Remove obsolete documentation for
2428 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2430 * install.texi (Installation): Remove obsolete description for
2431 libstdc++ which is now an integral part of GCC.
2433 2000-12-01 Jim Blandy <jimb@redhat.com>
2435 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
2436 invisible reference in registers, but then spilled to the stack.
2437 Remove code to emit a second stab for such parameters; it attempts
2438 to describe the value's location by introducing a synthetic C++
2439 `reference' type, and then saying the stack slot has that
2440 reference type. This loses type information (breaking GDB's
2441 `ptype' command, among other things) just to describe a location
2442 which stabs can represent correctly in other ways.
2444 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2446 * final.c (output_addr_const) <PLUS>: Don't assume at least one
2447 operand is a CONST_INT.
2449 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
2450 (machine_dependent_reorg): Split all insns.
2451 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
2452 reg_class_contents[SIBCALL_REGS].
2453 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
2454 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
2455 call_value_pcrel, call, call_value, sibcall): Match even when
2457 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
2459 (sibcalli): Likewise.
2461 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2463 * c-common.c (warn_format, warn_format_y2k,
2464 warn_format_extra_args, warn_format_nonliteral): Define.
2465 (check_format_info): Check warn_format_nonliteral and
2466 warn_format_extra_args.
2467 (check_format_info_main): Check warn_format_y2k.
2468 (set_Wformat): New function.
2469 * c-common.h (warn_format_y2k, warn_format_extra_args,
2470 warn_format_nonliteral, set_Wformat): Declare.
2471 * c-decl.c (warn_format): Remove definition.
2472 (c_decode_option): Handle -Wformat-nonliteral,
2473 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
2475 * invoke.texi: Document these new options and -Wformat=2.
2476 * toplev.c (documented_lang_options): Add these new options.
2478 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2480 * builtins.def (BUILT_IN_IMAXABS): Add.
2481 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
2482 * c-common.c (c_common_nodes_and_builtins): Create builtin
2483 functions __builtin_imaxabs, and plain imaxabs unless
2484 flag_no_nonansi_builtin outside C99 mode.
2485 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
2486 * extend.texi: Document builtin imaxabs.
2488 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2490 * c-common.c: Include "defaults.h".
2491 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
2492 (c_common_nodes_and_builtins): Create string_type_node,
2493 const_string_type_node, wint_type_node, intmax_type_node,
2494 uintmax_type_node, default_function_type, ptrdiff_type_node and
2495 unsigned_ptrdiff_type_node.
2496 * c-common.h (identifier_global_value): Declare.
2497 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
2498 (init_decl_processing): Don't create string_type_node,
2499 const_string_type_node, wint_type_node, intmax_type_node,
2500 uintmax_type_node, default_function_type, ptrdiff_type_node and
2501 unsigned_ptrdiff_type_node.
2502 (identifier_global_value): New function.
2504 2000-12-01 Neil Booth <neilb@earthling.net>
2506 * cppinit.c (initialize): Forgotten prototype.
2507 * cpplex.c (_cpp_lex_token): Loop until not skipping.
2508 Always clear PREV_WHITE upon meeting a new line.
2509 * cpplib.c (end_directive): Set pfile->skipping after
2511 * cpplib.h (cpp_reader): Remove macro_pos.
2512 * cppmacro.c (cpp_get_line): Don't do anything special inside
2514 (parse_arg): Add PREV_WHITE if a token appears after new lines.
2515 (funlike_invocation_p): Save and restore the output position
2516 over a successful check for a '('.
2517 (enter_macro_context): Delete uses of macro_pos.
2518 (cpp_get_token): Don't use pfile->skipping.
2520 2000-12-01 Phil Edwards <pme@sources.redhat.com>
2522 * diagnostic.c: Fix typos in comments.
2523 * diagnostic.h: Likewise.
2525 2000-11-30 Phil Edwards <pme@sources.redhat.com>
2527 * rtl.texi (Machine Modes): Document BImode and OImode.
2529 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2531 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
2534 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
2536 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
2537 incomplete element type.
2538 (grokparms): Before checking for incomplete parameter type, check
2539 the type isn't error_mark_node.
2541 2000-12-01 Jakub Jelinek <jakub@redhat.com>
2543 * builtins.c (target_char_cast): New function.
2544 (expand_builtin_strchr): Use it.
2545 (expand_builtin_strrchr): Use it.
2546 (builtin_memset_read_str): New function.
2547 (expand_builtin_memset): Use target_char_cast.
2548 Try to optimize memset with second argument non-zero using
2551 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
2553 * install.texi (avr): Replace incomplete list of supported MCU
2554 types with a link to the current one ...
2555 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
2556 all supported MCU types. Document -minit-stack= default.
2557 Document new options -mno-tablejump, -mtiny-stack.
2558 * md.texi (AVR family): Fix typo in 'w' constraint letter
2559 description. Document 'q'. Update 'O'.
2561 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
2563 * combine.c (cant_combine_insn_p): Only disallow insns involving
2564 hard regs if they are reg-reg moves.
2565 (try_combine, can_combine_p, combinable_i3pat): Delete old
2566 SMALL_REGISTER_CLASSES tests.
2568 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
2570 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
2571 whether X is a CONST_INT.
2572 (addsubcosts): Likewise.
2574 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
2576 (ARG_POINTER_REGNUM): Set to AP_REG.
2578 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2580 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
2581 splits): Only match on TARGET_SH4.
2583 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
2584 of subsequent insns.
2586 2000-11-30 Richard Henderson <rth@redhat.com>
2588 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
2589 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2591 2000-11-30 Richard Henderson <rth@redhat.com>
2593 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
2594 (DO_SELECT_SECTION): New.
2595 (SELECT_SECTION): Use it.
2596 (UNIQUE_SECTION_P): New.
2597 (UNIQUE_SECTION): New.
2599 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
2601 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
2602 from va_list before using it.
2604 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
2606 * flow.c (make_edge): Early out, if no flags to set.
2607 (calculate_global_regs_live): Clear out garbage only when necessary.
2609 * simplify-rtx.c (varray_type used_regs): New.
2610 (clear_table): Use it to only clear necessary items.
2611 (cselib_lookup, cselib_record_set): Remember newly set items.
2612 (cselib_update_varray_sizes, cselib_init): Initialize and grow
2615 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
2616 Move clearing of dead regs out of insn-loop.
2618 2000-11-30 Richard Henderson <rth@redhat.com>
2620 * calls.c (expand_call): Emit queued insns before creating
2621 the tail recursion sequence.
2623 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
2624 Bruce Korb <bkorb@gnu.org>
2626 * fixinc/inclhack.def(): prevent dual double definition protection
2627 * fixinc/fixincl.x: regenerate
2629 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
2631 * fixinc/Makefile.in (fixincl.x): Explicitly state the
2632 location of the generated file.
2634 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2636 * README.FRESCO: Remove obsolete file.
2638 2000-11-30 Mark Kettenis <kettenis@gnu.org>
2640 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
2641 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
2642 config/t-linux for the Hurd.
2644 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2646 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
2647 config/mn10200/udivmodsi4.c: Moved from here.
2648 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
2649 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
2650 C division functions.
2651 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
2653 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
2655 * pa.md (conditional moves): Avoid holes in operand list.
2656 (mod, umod patterns): Similarly.
2657 (variable extract/shift patterns): Similarly.
2659 2000-11-30 Neil Booth <neilb@earthling.net>
2661 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
2662 maybe_objc_check_decl, build_objc_string_object,
2663 objc_declare_alias, objc_declare_class, build_message_expr,
2664 build_protocol_expr, build_selector_expr, build_encode_expr,
2665 get_class_ivars, start_class, start_protocol): Remove
2666 redundant code, assuming doing_objc_thang is true.
2668 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2670 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
2671 (record_unscaled_index_insn_codes): Likewise.
2672 (unscaled_index_insn_codes): Delete.
2673 (max_unscaled_index_insn_codes_uid): Delete.
2674 (output_function_prologue, output_function_epilogue, pa_reorg):
2675 Don't use the unscaled index insn hack.
2677 * pa.md: Remove hack from all index insns to reverse the operand
2678 order of frame and stack pointer references incorrectly created
2681 * function.h (emit_status): Delete member regno_pointer_flag and
2682 rename regno_pointer_flag_length to regno_pointer_align_length.
2683 Delete define for REGNO_POINTER_FLAG.
2684 * integrate.h (inline_remap): Delete member regno_pointer_flag.
2685 Add member x_regno_reg_rtx.
2686 * rtl.h (rtx_def): Use frame_related bit to indicate register is
2687 a pointer in REG expressions. Define REG_POINTER macro.
2688 * alias.c (find_base_value, find_base_term): Use REG_POINTER
2689 instead of REGNO_POINTER_FLAG.
2690 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
2691 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
2692 of regno_pointer_flag_length. Remove code which refers to
2694 (mark_reg_pointer): Use REG_POINTER.
2695 (free_emit_status): Remove code which refers to regno_pointer_flag.
2696 (init_emit, mark_emit_status): Likewise.
2697 * flow.c (dump_flow_info): Likewise.
2698 * function.c (preserve_temp_slots): Likewise.
2699 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
2700 Use x_regno_reg_rtx instead of regno_pointer_flag for function
2701 pointer determination in map.
2702 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
2703 * predict.c (estimate_probability): Likewise.
2704 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
2705 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
2706 regno_pointer_flag for function pointer determination in map.
2707 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
2709 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
2711 (restore_unscaled_index_insn_codes): Revise comment.
2713 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
2715 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
2717 * extend.texi: Update documentation for attributes.
2719 2000-11-29 David O'Brien <obrien@FreeBSD.org>
2721 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
2722 (ASM_DECLARE_OBJECT_NAME): Same.
2723 (ASM_FILE_END): Same.
2724 (ASM_FINISH_DECLARE_OBJECT): Same.
2725 (ASM_IDENTIFY_GCC): Same.
2726 (ASM_IDENTIFY_LANGUAGE): Same.
2727 (ASM_OUTPUT_CONSTRUCTOR): Same.
2728 (ASM_OUTPUT_DEF): Same.
2729 (ASM_OUTPUT_DESTRUCTOR): Same.
2730 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
2731 (ASM_OUTPUT_SECTION_NAME): Same.
2732 (ASM_WEAKEN_LABEL): Same.
2733 (BSS_SECTION_ASM_OP): Same.
2734 (COMMON_ASM_OP): Same.
2735 (CONST_SECTION_ASM_OP): Same.
2736 (CONST_SECTION_FUNCTION): Same.
2737 (CTORS_SECTION_ASM_OP): Same.
2738 (DTORS_SECTION_ASM_OP): Same.
2740 (FINI_SECTION_ASM_OP): Same.
2741 (IDENT_ASM_OP): Same.
2742 (IDENT_ASM_OP): Same.
2743 (INIT_SECTION_ASM_OP): Same.
2745 (MAX_OFILE_ALIGNMENT): Same.
2746 (SBSS_SECTION_ASM_OP): Same.
2747 (SDATA_SECTION_ASM_OP): Same.
2748 (SECTION_FUNCTION_TEMPLATE): Same.
2749 (SELECT_SECTION): Same.
2750 (SE_CONST_SECTION): Same.
2751 (SIZE_ASM_OP): Same.
2752 (SKIP_ASM_OP): Same.
2753 (STRING_ASM_OP): Same.
2754 (STRING_LIMIT): Same.
2755 (TYPE_ASM_OP): Same.
2756 (TYPE_OPERAND_FMT): Same.
2758 2000-11-29 Neil Booth <neilb@earthling.net>
2760 * c-decl.c (c_decode_option): Don't handle -lang-objc.
2761 * objc/lang-options.h: Remove -lang-objc.
2762 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
2763 * objc/objc-act.c (lang_init_options): Set c_language.
2765 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2767 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
2770 2000-11-29 Neil Booth <neilb@earthling.net>
2772 * c-pragma.c (init_pragma): Update for parse_in type change.
2774 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
2776 * configure.in: recognize DOS-style absolute paths.
2778 2000-11-29 Jakub Jelinek <jakub@redhat.com>
2780 * expr.h (store_by_pieces): Add prototype.
2781 (can_store_by_pieces): Likewise.
2782 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
2783 (can_store_by_pieces): New.
2784 (store_by_pieces): New.
2785 (clear_by_pieces): New.
2786 (clear_by_pieces_1): New.
2787 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
2788 arbitrary compiler generated constants into memory block.
2789 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
2790 * builtins.c (c_readstr): New.
2791 (builtin_memcpy_read_str): New.
2792 (expand_builtin_memcpy): If src is string constant and
2793 emit_block_move would move it by pieces, compute integer constants
2794 from the string and store it into memory block instead.
2795 (builtin_strncpy_read_str): New.
2796 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
2797 not return INTEGER_CST, don't optimize.
2798 If N is larger than strlen(src) + 1, try to copy the string
2799 including padding with store_by_pieces.
2800 (expand_builtin_strcmp): If both arguments have side effects, don't
2802 (expand_builtin_fputs): If STR has side effects, don't optimize.
2804 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
2806 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
2807 Add use of link register.
2809 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
2811 * extend.texi: Update documentation for default format attributes.
2813 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
2815 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
2816 a list, to keep track of the sections.
2818 2000-11-28 Nick Clifton <nickc@redhat.com>
2820 * config/arm/arm.md (pic_load_addr): Split into
2821 pic_load_addr_arm and pic_load_addr_thumb.
2823 * config/arm/arm.c (legitimize_pic_address): Generate either
2824 ARM or Thumb versions of pic_load_addr.
2825 (arm_finalize_pic): Generate either ARM or Thumb versions of
2828 2000-11-28 Richard Henderson <rth@redhat.com>
2830 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
2831 after sibcall do_pending_stack_adjust.
2833 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
2835 * jump.c (delete_insn): Check that REG_LABEL note actually contains
2838 2000-11-28 Neil Booth <neilb@earthling.net>
2840 * c-common.h: Remove flag_digraphs.
2841 * c-decl.c: Remove flag_digraphs.
2842 (c_decode_option): Don't set it.
2843 * c-lex.c (init_c_lex): Don't do anything for digraphs.
2845 2000-11-28 Richard Henderson <rth@redhat.com>
2847 * c-parse.in (finish_parse): Update for parse_in type change.
2850 2000-11-28 Neil Booth <neilb@earthling.net>
2852 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
2853 indicating whether to scan all buffers on the stack or
2855 * cppinit.c (do_includes): Update.
2856 * cppmain.c (main): Update.
2857 * cpplib.h: Update prototype.
2859 2000-11-28 Richard Henderson <rth@redhat.com>
2861 * genoutput.c (validate_insn_operands): New.
2862 (gen_insn): Call it.
2864 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
2865 (divmoddi_internal): Likewise.
2866 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
2867 * config/i960/i960.md (branch patterns): Likewise.
2868 * config/ia64/ia64.md (tbit_and_0): Likewise.
2869 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
2870 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
2871 * config/mips/mips.md (divmodsi4_internal): Likewise.
2872 (divmoddi4_internal): Likewise.
2873 * config/rs6000/rs6000.md (call patterns): Likewise.
2874 * config/sh/sh.md (movsi_y): Likewise.
2875 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
2877 2000-11-28 Richard Henderson <rth@redhat.com>
2879 * config.gcc: Kill residual pyramid support.
2881 2000-11-28 Neil Booth <neilb@earthling.net>
2883 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
2884 * c-decl.c (c_decode_option): Update to match.
2885 * c-lex.c (init_c_lex, yyparse): Update to match.
2886 * c-lang.c (lang_init_options): Use cpp_create_reader.
2887 * cppinit.c (cpp_init): Rename initialize.
2888 (cpp_reader_init): Rename cpp_create_reader. Create the
2889 reader. Initialize cpplib if appropriate.
2890 * cpplib.h (cpp_create_reader) New prototype.
2891 (cpp_init, cpp_reader_init): Delete prototypes.
2892 * cppmain.c (general_init, setup_callbacks): New functions.
2894 * fix-header.c (scan_in): Change type to cpp_reader *.
2895 (read_scan_file): Update for new cpplib interface and scan_in type.
2897 * cp/decl.c (parse_in): Change to cpp_reader *.
2898 (lang_decode_option): Update.
2899 * cp/lex.c (lang_init_options): Use new cpplib interface.
2900 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
2901 * cp/spew.c (read_token): Update.
2902 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
2904 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2906 * loop.c (load_mems): Avoid using next_label to find end_label. If
2907 jumping outside of the loop (other than loop end), don't hoist MEMs
2910 2000-11-28 Jan Hubicka <jh@suse.cz>
2912 * calls.c (expand_call): Don't disable tail recursion based
2915 2000-11-28 Neil Booth <neilb@earthling.net>
2917 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
2918 (struct directive): Drop 4th argument from handlers.
2919 (do_define, do_line, do_include, do_undef, do_else, do_elif,
2920 do_endif): Similarly.
2921 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
2922 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
2923 (make_definition, make_undef): Take a const char*.
2924 (make_assertion): New function.
2925 (struct directive_table): Update.
2926 (main): Handle -A command line argument.
2927 (handle_directive): Drop fourth handler argument.
2929 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
2931 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
2932 is anything but REG or MEM, but look inside STRICT_LOW_PART.
2934 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2936 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
2937 (IS_ABSOLUTE_PATHNAME): New macro.
2938 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
2940 2000-11-28 Jakub Jelinek <jakub@redhat.com>
2942 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
2944 2000-11-27 Jim Wilson <wilson@redhat.com>
2946 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
2948 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
2950 * extend.texi (Nested Functions): Update URL of Usenix paper.
2952 2000-11-27 Mark Mitchell <mark@codesourcery.com>
2954 * function.c (free_after_compilation): Clear x_clobber_return_insn.
2956 2000-11-27 Neil Booth <neilb@earthling.net>
2958 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
2959 command line options.
2960 (cpp_handle_option): Similarly.
2961 * cpplib.h (struct cpp_options): Remove warn_paste.
2962 * cppmacro.c (paste_tokens): Apart from assembler, make
2963 unpasteable token warning mandatory.
2965 2000-11-27 Neil Booth <neilb@earthling.net>
2967 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
2968 (main): Allocate a pending directive set of these. Use it.
2969 Merge handling of -D and -U. Update handling of pending
2970 directives. Free the memory after use.
2972 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
2974 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
2975 (struct propagate_block_info): Add new member cond_local_set.
2976 (propagate_block): Accept new arg cond_local_set. All callers
2978 (init_propagate_block_info): Likewise.
2979 (calculate_global_regs_live): Allocate & free cond_local_set. Always
2980 rescan if there's overlap between cond_local_set and new_live_at_end.
2981 (mark_set_1): Set bits either in cond_local_set or local_set, as
2983 * basic-block.h (struct basic_block_def): New field cond_local_set.
2984 (propagate_block, init_propagate_block_info): Update prototypes.
2986 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
2988 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
2991 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
2993 * arm.c (select_dominance_cc_mode): Handle new way that combine
2994 canonicalizes conditional compares.
2995 (arm_select_cc_mode): Likewise.
2996 * arm.md: Garbage collect some dead code.
2997 (cmp_and, cmp_ior): New patterns.
2998 (splitter for conditional move with inverted false): Use cond_exec
2999 and handle unordered comparisons.
3001 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
3003 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
3004 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
3005 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
3006 ix86_force_to_memory and ix86_free_from_memory.
3008 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
3010 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
3011 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
3012 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
3013 one_cmpldi2): Merge with splitters to create define_insn_and_split
3014 patterns. Remove redundant splits.
3015 (peephole2 for add:SI of invalid immediate): New.
3016 (peephole2 for minus:SI of invalid immediate): New.
3017 (peephole2 for ior:SI of invalid immediate): New.
3018 (peephole for merge of move and compare): Convert ot peephole2.
3019 (addsf3, adddf3): Mark as commutative.
3021 * arm.md (thumb peephole for merging stack adjustments): Convert to
3024 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
3026 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
3028 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
3029 (reload_cse_simplify_operands): Do nothing about operands where both
3030 the operand and the match_operand fail to give us a mode.
3031 * simplify-rtx.c (wrap_constant): New function.
3032 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
3033 CONST describing the proper mode.
3034 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
3036 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
3037 htab_find_slot_with_hash.
3038 (cselib_lookup): Likewise.
3040 Based on a patch from Geoff Keating <geoffk@redhat.com>:
3041 * loop.c (basic_induction_var): If a REG is set from something
3042 that is not a biv, then the REG is not a biv. Even if it is
3043 earlier set from something that is a biv.
3045 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
3047 * configure.in (extra_objs): Enclose extra_headers in quotes.
3048 * configure: Rebuilt.
3050 2000-11-27 Neil Booth <neilb@earthling.net>
3052 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
3053 Combine into the new function cb_change_file.
3054 (init_c_lex): Update.
3055 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
3056 (cpp_syshdr_flags): Delete.
3057 * cpphash.h (_cpp_do_file_change): New prototype.
3058 Move struct cpp_buffer here from...
3059 * cpplib.h (struct cpp_buffer): ... here.
3060 (enum cpp_fc_reason, struct cpp_file_loc,
3061 struct_cpp_file_change, change_file): New.
3062 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
3063 * cpplib.c (do_line): Update for new cb_change_file callback.
3064 (_cpp_do_file_change): New function.
3065 (_cpp_pop_buffer): Update to use it.
3066 * cppmain.c (move_printer): Delete.
3067 (main): Set up single callback cb_change_file.
3068 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
3069 (cb_change_file): New.
3070 * fix-header.c (cur_file, cb_change_file): New.
3071 (recognized_function, read_scan_file): Update.
3072 * scan-decls.c (scan_decls): Update.
3073 * scan.h (recognized_function): Update prototype.
3075 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3077 * tree.h (mark_tree_hashtable): New function.
3078 * tree.c (mark_tree_hashtable_entry): New function.
3079 (mark_tree_hashtable): Likewise.
3081 2000-11-27 Michael Meissner <meissner@redhat.com>
3083 * d30v-protos.h (srelational_si_operator): Correctly spell
3085 (urelational_si_operator): Ditto.
3086 (relational_si_operator): Ditto.
3087 (d30v_expand_prologue): Add prototype.
3088 (d30v_expand_epilogue): Ditto.
3090 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
3092 * d30v.md (movcccc_*): Delete now unused patterns.
3093 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
3095 (define_cond_exec): Use 'b' to select branch flags.
3097 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
3101 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
3103 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
3105 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3106 strncpy and strncmp.
3108 * extend.texi (strncmp, strncpy): Document new builtins.
3110 2000-11-26 Mark Mitchell <mark@codesourcery.com>
3112 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
3113 a list, to keep track of the sections.
3114 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
3115 parameter provided will always be a canonical string.
3117 2000-11-26 Neil Booth <neilb@earthling.net>
3119 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
3122 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
3124 * makefile.vms: Remove EGCS references.
3126 2000-11-26 Ulrich Drepper <drepper@redhat.com>
3128 * dwarf2out.c (output_file_names): New function. Compute minimal
3129 combination of directory and file name table and emit them.
3130 (output_line_info): Remove code to emit directory and file name
3131 table and call output_file_names instead.
3132 (file_info_cmp): Helper function to sort directory names.
3134 2000-11-26 Neil Booth <neilb@earthling.net>
3136 * cpplib.h (struct cpp_reader): Remove lang_asm.
3137 (struct cpp_options): Remove c89. New members lang,
3139 * cppexp.c (parse_number): Use them.
3140 * cpphash.h (VALID_SIGN): Use them.
3141 * cppinit.c (set_lang, cpp_start_read): Update.
3142 * cpplex.c (parse_string, _cpp_lex_token): Update.
3143 * cpplib.c (_cpp_handle_directive): Update.
3144 * cppmacro.c (parse_args): Update.
3145 * cppmain.c (scan_buffer): Update.
3147 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3149 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
3152 2000-11-26 Neil Booth <neilb@earthling.net>
3154 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
3155 * c-decl.c: Remove parse_in declaration.
3156 * c-lang.c: Similarly.
3157 * c-lex.c: Similarly.
3158 * c-parse.in: Similarly.
3159 * c-pragma.c: Similarly.
3160 * configure.in: Similarly.
3161 * cp/Make-lang.in: Similarly.
3162 * cp/spew.c: Similarly.
3163 * cp/decl2.c: Remove check for lang-c++ option.
3164 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
3165 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
3166 * c-lex.h: Add declaration of parse_in.
3167 * cppinit.c: Call set_lang after allocating pfile->pending.
3168 * configure: Regenerate.
3170 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
3172 * combine.c (try_combine): Remove redundant test.
3174 2000-11-25 Richard Henderson <rth@redhat.com>
3176 * c-common.h (DECL_C_HARD_REGISTER): New.
3177 * c-decl.c (finish_decl): Set it for asm register variables.
3178 * c-semantics.c (emit_local_var): Test it when instantiating one.
3180 2000-11-25 Richard Henderson <rth@redhat.com>
3182 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
3183 lineno for the start of the function.
3185 2000-11-25 Richard Henderson <rth@redhat.com>
3187 * dwarf2out.c (file_table, file_table_allocated): Remove.
3188 (file_table_allocated): Remove.
3189 (struct file_table): New.
3190 (decl_file_table, line_file_table): New.
3191 (print_dwarf_line_table): Use them.
3192 (size_of_line_prolog): Likewise.
3193 (output_line_info): Likewise.
3194 (add_src_coords_attributes): Likewise.
3195 (gen_subprogram_die): Likewise.
3196 (gen_variable_die): Likewise.
3197 (dwarf2out_add_library_unit_info): Likewise.
3198 (dwarf2out_line): Likewise.
3199 (lookup_filename): Take a struct file_table argument.
3200 (init_file_table): New.
3201 (dwarf2out_init): Use it.
3203 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
3205 * invoke.texi: Update sequence points references.
3207 2000-11-25 Neil Booth <neilb@earthling.net>
3209 * c-common.c: Remove USE_CPPLIB conditional inclusions.
3210 * c-common.h: Similarly.
3211 * c-decl.c: Similarly.
3212 * c-lang.c: Similarly.
3213 * c-lex.c: Similarly.
3214 * c-parse.in: Similarly.
3215 * c-pragma.c: Similarly.
3216 * c-pragma.h: Similarly.
3218 * toplev.c: Similarly.
3219 * cp/cp-tree.h: Similarly.
3220 * cp/decl2.c: Similarly.
3221 * cp/lang-specs.h: Similarly.
3222 * cp/lex.c: Similarly.
3223 * cp/lex.h: Similarly.
3224 * cp/spew.c: Similarly.
3225 * java/lang-options.h: Similarly.
3226 * objc/lang-specs.h: Similarly.
3227 * objc/objc-act.c: Similarly.
3229 * configure.in: Remove configure option.
3230 * config.in: Regenerate.
3231 * configure: Regenerate.
3233 2000-11-25 Richard Henderson <rth@redhat.com>
3235 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
3236 Revert 2000-11-22 change.
3238 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
3240 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
3243 2000-11-25 Philipp Thomas <pthomas@suse.de>
3244 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
3245 * configure: Rebuilt.
3247 2000-11-25 Jakub Jelinek <jakub@redhat.com>
3249 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
3250 Handle CONST_INT as second argument.
3251 * config/sparc/sparc.c (set_extends): Remove first argument.
3252 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
3254 (sparc_check_64): Abort if first argument is not REG.
3255 If it is DImode REG, look at the lower register of the register
3258 * config/sparc/sparc.c (load_pic_register, restore_regs,
3259 output_return, sparc_v8plus_shift, sparc_function_profiler,
3260 sparc_function_block_profiler, sparc_block_profiler): Fix output
3263 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
3265 * config/sh/sh.h (TARGET_NONE): New.
3266 (TARGET_SWITCHES): For all variant-selecting switch, use
3267 TARGET_NONE to reset all other variant-selecting switch. Added
3268 empty strings to avoid warnings.
3269 (TARGET_DEFAULT): Set to SH1_BIT.
3271 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
3274 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
3275 (sibcall_pcrel): New insn_and_split.
3276 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3278 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
3279 symPLT_label2reg, call, call_value): Don't set
3280 current_function_uses_pic_offset_table.
3281 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
3282 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
3283 takes it into account.
3284 (FINALIZE_PIC): Delete, useless.
3285 (LEGITIMATE_CONSTANT_P): Delete, unused.
3286 * config/sh/sh.c (sh_expand_prologue): Don't use
3287 current_function_uses_pic_offset_table. Don't special-case
3288 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
3290 (sh_expand_epilogue, initial_elimination_offset): Don't
3291 special case PIC_OFFSET_TABLE_REGNUM.
3293 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
3295 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
3296 * config/sh/sh.md (UNSPEC_CALLER): New constant.
3297 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
3298 (call_pcrel, call_value_pcrel): New insn_and_splits.
3299 (call, call_value): Use them.
3300 (call_site): New expand.
3301 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
3302 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
3303 Output call_site label.
3304 (PREDICATE_CODES): Added symbol_ref_operand.
3305 * config/sh/sh.c (symbol_ref_operand): Define.
3306 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
3307 to CALL_INSNs in the split sequence.
3309 2000-11-24 Nick Clifton <nickc@redhat.com>
3311 * config.gcc (v850-*-*): Define c_target_objs and
3314 * config/v850/t-v850: Define how to build v850-c.o
3316 * config/v850/v850.h (struct data_area_stack_element): Move
3317 definition here from v850.c.
3319 * config/v850v850.c: Include gcc.h to avoid compile time
3321 (push_data_area): Move to v850-c.c.
3322 (pop_data_area): Move to v850-c.c.
3323 (mark_current_function_as_interrupt): Move to v850-c.c.
3324 (GHS_default_section_names): Allow to be exported.
3325 (GHS_current_section_names): Allow to be exported.
3326 (data_area_stack_elements): Allow to be exported.
3327 (ghs_pragma_section): Move to v850-c.c.
3328 (ghs_pragma_interrupt): Move to v850-c.c.
3329 (ghs_pragma_starttda): Move to v850-c.c.
3330 (ghs_pragma_startsda): Move to v850-c.c.
3331 (ghs_pragma_startzda): Move to v850-c.c.
3332 (ghs_pragma_endtda): Move to v850-c.c.
3333 (ghs_pragma_endsda): Move to v850-c.c.
3334 (ghs_pragma_endzda): Move to v850-c.c.
3336 * config/v850/v850-c.c: New file: Contains v850 specific
3337 pragma parsing functions.
3339 2000-11-24 Nick Clifton <nickc@redhat.com>
3341 * config.gcc (extra_objs): Remove duplicate description.
3342 (c_target_objs): New variable. Contains target specific
3343 object files for the gcc C compiler only.
3344 (cxx_target_objs): New variable. Contains target specific
3345 object files for the gxx C++ compiler only.
3347 * configure.in (c_target_objs): Substitute in the makefile.
3348 (cxx_target_objs): Substitute in the makefile.
3349 * configure: Regenerate.
3351 * Makefile.in (C_TARGET_OBJS): Define and initialise from
3353 (CXX_TARGET_OBJS): Define and initialise from
3355 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
3357 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
3359 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
3360 about how the use of the 'c_lex' function requires the use of
3361 the target specific, language specific object files feature of
3362 the configuration mechanism.
3364 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * gcc.c (process_command): Use F_OK, not R_OK.
3368 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
3370 * flow.c (print_rtl_and_abort): Remove ANSIism.
3372 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
3374 * config/sh/sh.h (GENERAL_REGISTER_P,
3375 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
3376 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
3378 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
3379 * config/sh/sh.c: Use new macros.
3380 * config/sh/sh.md: Likewise.
3382 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
3384 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
3385 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
3388 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
3390 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
3392 (machine_dependent_reorg): Wrong optimization based on
3393 NOTICE_UPDATE_CC removed.
3395 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
3397 * jump.c (delete_computation): Re-instate deletion of feeding insn.
3398 (delete_insn): Look for REG_LABEL notes.
3399 (redirect_tablejump): Delete feeding insns.
3401 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
3403 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
3404 call_value_pop_1): Make sure operand numbers are contiguous.
3406 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
3408 * reload1.c (conflicts_with_override): New function.
3409 (emit_input_reload_insns): Use it to tighten test for validity
3410 of substituting into output of previous insn.
3412 * haifa-sched.c (struct ready_list): New.
3413 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
3415 (schedule_insn): Replace args READY and N_READY with a pointer to a
3416 ready_list; return void. Use the new functions to access the ready
3417 list. All callers changed.
3418 (queue_to_ready, debug_ready_list): Likewise.
3419 (schedule_block): Initialize a ready_list structure. Use new
3420 functions to access it.
3421 (max_priority): Remove unused variable.
3422 (schedule_insn): Don't set it.
3424 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
3426 * combine.c (cant_combine_insn_p): New function.
3427 (try_combine): Use it.
3429 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
3430 * c-common.c (c-obstack.c): Include "obstack.h".
3431 (struct reverse_tree): Delete.
3432 (reverse_list, reverse_max_depth): Delete.
3433 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
3434 (struct tlist, struct tlist_cache): New.
3435 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
3436 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
3437 warn_for_collisions, warn_for_collisions_1, new_tlist): New
3439 (verify_sequence_points): Rewritten.
3440 * fold-const.c (fold): Don't lose possibly important sequence
3441 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
3443 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
3445 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
3446 when reversing a register-to-register copy. Reversal now disabled
3447 when the previous instruction has a REG_EQUIV.
3449 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
3451 * c-parse.in (unary_expr): Move VA_ARG from here ...
3452 (primary): ... to here.
3454 2000-11-23 Graham Stott <grahams@redhat.com>
3456 * expr.c (store_constructor): If a field is non addressable and
3457 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
3459 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
3461 * flow.c (print_rtl_and_abort): New function.
3462 (verify_wide_reg, verify_local_live_at_start): Try to dump more
3463 information before aborting.
3465 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
3467 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
3468 is narrower than requested mode.
3469 (gen_highpart): Abort if register mode is narrower than
3472 2000-11-23 Graham Stott <grahams@redhat.com>
3474 * cse.c (cse_insn): Initialise all regcost variables.
3475 Fix a typo add missing '='.
3476 Only compare costs if there is a replacement insn.
3478 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
3480 * final.c (output_addr_const) [LABEL_REF]: Simplify.
3481 [MINUS]: Enclose non-CONST_INTs in parentheses.
3482 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
3483 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
3484 * varasm.c (decode_rtx_const) [CONST]: If it's not something
3485 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
3486 instead of abort()ing.
3487 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
3488 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
3489 formerly handled in output_pic_addr_const.
3490 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
3491 operands of MINUS in CONSTs so that decode_rtx_const() will
3494 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
3496 * config/sh/sh.md (mova_const): New pattern.
3497 (GOTaddr2picreg): Use it.
3498 * config/sh/sh.c (broken_move): Match it.
3499 (mova_p): Don't match it.
3500 (machine_dependent_reorg): Adjust it.
3502 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
3504 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
3505 Moved most register-number #defines...
3506 * config/sh/sh.md (define_constants): ... here. Use macros to
3507 refer to registers and unspecs.
3508 * config/sh/sh.c: Likewise.
3510 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
3512 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
3513 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
3514 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3515 (splay-tree.o, hash.o): Likewise.
3517 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
3518 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
3519 (hashtab.o): Likewise.
3520 (gcov.o): Depend on $(CONFIG_H).
3521 * configure.in: #include insn-codes.h in tm.h.
3523 2000-11-22 Nick Clifton <nickc@redhat.com>
3525 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
3526 const char * to avoid a compile time warning.
3528 * config/arm/arm.md (define_constants): Define symbolic names for
3529 the link register, last integer register and the fake CC register.
3530 Update patterns to use these symbolic names.
3532 2000-11-22 Neil Booth <neilb@earthling.net>
3534 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
3535 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
3537 2000-11-22 Richard Henderson <rth@redhat.com>
3539 * haifa-sched.c (sched_analyze_1): Don't special-case calls
3540 for clobbering registers.
3541 (sched_analyze_2): Likewise.
3542 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
3544 2000-11-22 Chris Demetriou <cgd@sibyte.com>
3545 Neil Booth <neilb@earthling.net>
3547 * gcc.c (validate_switches): Validate multiple switches named
3548 in '|' (or) expressions in specs.
3549 (handle_braces): If more than 1 alternative in a '|' spec
3550 matches, call do_spec1 just once.
3552 2000-11-22 Michael Meissner <meissner@redhat.com>
3554 * d30v.h (TARGET_SWITCHES): Add documentation strings.
3555 (TARGET_OPTIONS): Ditto.
3556 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
3559 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
3561 * pa.c (hppa_encode_label): Account for addition of encoding
3562 character when allocating persistent space for the new label
3565 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
3567 * Makefile.in, config.gcc, configure.in: Expunge remaining
3568 traces of facility for running MD files through C preprocessor.
3570 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
3572 * gcov.texi: Add magic comments for texi2pod.pl.
3573 * Makefile.in: Add rules to generate and install gcov.1.
3574 * gcov.1: New (generated) file.
3576 2000-11-21 Richard Henderson <rth@redhat.com>
3578 * regrename.c (scan_rtx_reg): Terminate the chain rather than
3579 abort on mark_read with NO_REGS.
3581 2000-11-21 Mike Stump <mrs@wrs.com>
3583 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
3584 compilation with older compilers, such as /bin/cc on SunOS.
3585 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
3587 2000-11-21 Richard Henderson <rth@redhat.com>
3589 * varasm.c (record_constant): Pad the constructed
3590 constant_descriptor appropriately.
3592 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
3594 * rtl.h (traverse_md_constants): Declare.
3595 (struct md_constant): Define.
3596 * Makefile.in (HOST_RTL): Add hashtab.o .
3597 (OBJS): Add hashtab.o .
3598 (hashtab.o): New rule.
3599 (rtl.o): Depends on HASHTAB_H.
3600 * rtl.c (hashtab.h): #include.
3601 (md_constants): New static variable.
3602 (def_hash, def_name_eq_p, read_constants): New static functions.
3603 (traverse_md_constants): New function.
3604 (read_name): Do constant expansion.
3605 (read_rtx): Recognize define_constants.
3606 * gencodes.c (print_md_constant): New function.
3607 (main): Emit #defines for all constant definitions encountered.
3608 * md.texi (Constant Definitions): New node.
3609 * gensupport.c (xcalloc): New function.
3611 2000-11-21 Richard Henderson <rth@redhat.com>
3613 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
3614 * config/alpha/alpha-protos.h: Declare it.
3615 * config/alpha/alpha.md (abstf_internal): Use it.
3616 (negtf_internal): Likewise.
3617 (andnotdi3): Unstar the name.
3618 (movtf_internal): Add o/G alternative.
3620 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
3622 * stringpool.c (stringpool_statistics): Also report number and
3623 percentage of entries which are identifiers.
3625 2000-11-21 Diego Novillo <dnovillo@redhat.com>
3627 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
3628 visited before visiting it.
3630 2000-11-21 Nick Clifton <nickc@redhat.com>
3632 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
3633 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
3635 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
3637 2000-11-21 Richard Henderson <rth@redhat.com>
3639 * c-common.c (c_unsafe_for_reeval): New function.
3640 (add_c_tree_codes): Register it.
3641 * c-common.h: Declare it.
3642 * tree.c (lang_unsafe_for_reeval): New hook.
3643 (unsafe_for_reeval): Call it.
3644 * tree.h: Declare it.
3646 2000-11-21 Richard Henderson <rth@redhat.com>
3648 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
3651 2000-11-21 Neil Booth <neilb@earthling.net>
3653 * do_includes: Revert to using cpp_read_file.
3655 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
3657 * loop.c (consec_sets_giv): If the reg we're examining is anything
3658 but UNKNOWN_INDUCT, do nothing.
3659 Reset the reg's type to UNKNOWN_INDUCT before returning.
3661 Mostly from Vladimir Makarov (vmakarov@redhat.com)
3662 * ia64.md (attr itanium_class): Define insn types as described in
3664 (all insn patterns): Use itanium_class, not type attributes.
3665 Occasionally split alternatives as necessary.
3666 (attr type): Compute from new attr itanium_class.
3668 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3670 * tradcpp.c (output_line_command): Mark system headers as such in
3673 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3675 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
3676 support in as as well.
3677 * configure: Regenerate.
3679 2000-11-20 Richard Henderson <rth@redhat.com>
3681 * c-lex.c (orig_filename): New variable.
3682 (init_c_lex): Set it. Move call to cpp_start_read ...
3683 (yyparse): ... here. New function.
3684 * c-parse.in (yyparse_1): Rename the parser entry point.
3685 * c-tree.h: Declare it.
3687 2000-11-21 Jakub Jelinek <jakub@redhat.com>
3689 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
3690 integer constant, use type of op1 for comparison.
3692 2000-11-20 Stan Shebs <shebs@apple.com>
3694 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
3695 * config/rs6000/x-darwin: New file, Darwin host fragment.
3696 * config.gcc (powerpc-*-darwin*): New host.
3697 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
3698 overridden by a config file.
3700 2000-11-20 Neil Booth <neilb@earthling.net>
3702 * cppmacro.c (paste_tokens): Rename from paste_payloads.
3703 Change token type after pasting spellings.
3704 (paste_all_tokens): Use it.
3705 * gcc.dg/cpp/paste2.c: Update test.
3706 * objc/execute/paste.m: New test.
3708 2000-11-20 Richard Henderson <rth@redhat.com>
3710 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
3711 dwarf_subscr_data_formats bits.
3712 * dwarfout.c (simple_type_size_in_bits): Handle a type with
3713 no computed size as size zero.
3714 (field_byte_offset): Likewise.
3715 (subscript_data_attribute): Handle a range with no upper bound.
3717 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
3721 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3723 * c-typeck.c (build_conditional_expr): When merging type
3724 qualifiers for conditional expressions between a pointer and a
3725 pointer to a void type, merge the qualifiers on the target types
3726 rather than the pointer type. Remove obsolete conditioned out
3729 2000-11-20 Neil Booth <neilb@earthling.net>
3731 * c-lang.c (lang_init_options): Update call to
3733 * cppmain.c (main): Similarly.
3734 * fix-header.c (read_scan_file): Similarly.
3735 * cp/lex.c (lang_init_options): Similarly.
3736 * objc/objc-act.c (lang_init_options): Similarly.
3737 * cppexp.c (parse_number): Only warn for unextended C89.
3738 * cppinit.c (set_lang): New function.
3739 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
3740 (COMMAND_LINE_OPTIONS): New option std=c++98.
3741 (cpp_handle_option): Use set_lang.
3742 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
3743 * cppib.h (enum_c_lang): New enumeration. Update comments.
3745 2000-11-20 Will Cohen <wcohen@redhat.com>
3747 * calls.c (expand_call): Clear target only when target is in
3748 hard register and current_function_check_memory_usage is set.
3750 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
3752 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
3754 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
3756 2000-11-19 Richard Henderson <rth@redhat.com>
3758 * crtstuff.c (force_to_data): Use array size 1 not 0.
3760 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
3761 no computed size as size zero.
3762 (field_byte_offset): Likewise.
3764 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
3766 * config.gcc: Fix another typo.
3768 2000-11-19 Richard Henderson <rth@redhat.com>
3770 * c-decl.c (grokdeclarator): Support flexible array members.
3771 Use open-ended ranges for these and zero-length arrays.
3772 * c-typeck.c (push_init_level): Validate the context of
3773 initialization of a zero-length array.
3774 * tree.c (int_fits_type_p): Be prepared for missing bounds.
3775 * varasm.c (array_size_for_constructor): New.
3776 (output_constructor): Use it for arrays of unspecified length.
3777 * extend.texi (Zero Length): Mention C99 flexible array members.
3778 Document initialization in a top-level struct as valid.
3780 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
3782 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
3784 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
3785 stdarg and varargs functions.
3787 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
3789 * gcc.c (process_command): Define 'j' variable when
3790 MODIFY_TARGET_NAME is defined.
3792 2000-11-19 Richard Henderson <rth@redhat.com>
3794 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
3796 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3798 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
3799 calculation and allocation.
3801 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3803 * builtins.c (c_getstr): Constify variable.
3804 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
3805 * conflict.c (const_conflict_graph_arc): New typedef.
3806 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
3807 * cppmacro.c (builtin_macro): Likewise.
3808 * dwarf2out.c (output_comp_unit): Constify variable.
3809 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
3810 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
3811 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
3813 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
3814 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
3815 * varasm.c (const_str_htab_hash, const_str_htab_eq,
3816 compare_constant_1, record_constant_1): Constify.
3818 2000-11-18 Richard Henderson <rth@redhat.com>
3820 * c-decl.c (grokdeclarator): Special case the creation of an
3821 index for a zero-length array.
3822 * tree.c (build_index_type): Revert Oct 20 change.
3824 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
3826 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
3827 * config/avr/avr.c (jump_tables_size): New variable.
3828 (function_prologue): Initialize it as 0.
3829 (function_epilogue): Add it to function_size.
3830 (avr_output_addr_vec_elt): New function. Count words in jump
3831 tables in jump_tables_size. Move code ...
3832 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
3833 Call avr_output_addr_vec_elt instead.
3834 * config/avr/avr.md (tablejump): Remove disabled define_expand.
3836 2000-11-18 Mark Mitchell <mark@codesourcery.com>
3838 * configure.in: Make --enable-new-gxx-abi the default.
3839 * configure: Likewise.
3841 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3843 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
3845 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
3846 Move extern function declarations to tradcpp.h.
3848 * tradcpp.c: Likewise.
3850 * tradcpp.h: New file.
3852 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
3854 * c-decl.c (check_for_loop_decls): New function.
3855 * c-parse.in (for_init_stmt): New.
3856 (select_or_iter_stmt): Use for_init_stmt.
3857 * c-tree.h (check_for_loop_decls): New declaration.
3859 2000-11-18 Neil Booth <neilb@earthling.net>
3861 * cppinit.c: Update comments.
3862 (cpp_reader_init): Make -imacro and -include use the standard
3863 #include "" search path.
3864 (do_includes): New function.
3866 2000-11-18 Ben Elliston <bje@redhat.com>
3868 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
3869 out of a branch delay slot.
3871 2000-11-17 Richard Henderson <rth@redhat.com>
3873 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3874 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
3875 (ASM_FILE_START): Only write out ecoff .file directive if
3876 emitting mdebug debugging.
3878 2000-11-17 Richard Henderson <rth@redhat.com>
3880 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
3881 whether as accepts .file/.loc and produces dwarf2 line info.
3882 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
3883 the assembler supports it.
3884 * config.in, configure: Regenerate.
3886 2000-11-17 Richard Henderson <rth@redhat.com>
3888 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
3890 2000-11-17 Jim Wilson <wilson@redhat.com>
3892 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
3893 Don't clear need_barrier is next_insn is a CALL_INSN, or has
3894 instruction type B or UNKNOWN.
3896 2000-11-17 Neil Booth <neilb@earthling.net>
3898 * cpperror.c (print_file_and_line): Don't display line number if 0.
3900 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
3902 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
3903 digit_vector and digit_string.
3904 * stringpool.c (digit_vector): New.
3905 (ggc_alloc_string): Use digit_string.
3907 * stmt.c (digit_strings): Delete.
3908 (init_stmt): Do not initialize digit_strings.
3909 (expand_asm_operands): Use ggc.h's digit_string macro.
3910 * toplev.c (mark_file_stack): Delete.
3911 (compile_file): Don't call init_tree_codes.
3912 (main): No need to make the file stack a GC root.
3913 * tree.c (init_tree_codes): Delete.
3914 * tree.h (init_tree_codes): Delete.
3916 * c-lex.c: Don't include ggc.h.
3917 (mark_splay_tree_node, mark_splay_tree): Delete.
3918 (init_c_lex): No need to ggc_strdup string constant. Don't add
3919 file_info_tree to GGC roots.
3920 (cb_enter_file, cb_rename_file): No need to ggc_strdup
3923 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
3925 * dbxout.c (dbxout_init),
3926 dwarf2out.c (dwarf2out_line),
3927 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
3928 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
3929 xcoffout.c (xcoffout_source_file),
3930 i386.c (load_pic_register):
3931 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
3933 * except.c (create_rethrow_ref),
3934 profile.c (init_edge_profiler),
3935 toplev.c (compile_file),
3936 varasm.c (named_section, assemble_static_space,
3937 assemble_trampoline_template, output_constant_def, force_const_mem),
3938 i386.c (load_pic_register),
3939 ia64.c (ia64_encode_section_info),
3940 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
3941 rs6000_emit_prologue, rs6000_emit_epilogue),
3942 rs6000.md (load_toc_aix_si, load_toc_aix_di):
3943 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
3945 * profile.c (output_func_start_profiler),
3947 i386.c (load_pic_register): No need to ggc_strdup string constant.
3949 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
3951 * Makefile.in (config.status): Depend on config.gcc.
3952 * configure.in <for machine in $build $host $target>: Move
3953 contents of loop into config.gcc, removing autoconf quoting.
3954 Fix changequote bug for alpha*-*-vxworks*.
3955 * configure: Regenerate.
3958 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3960 * c-parse.in (if_prefix): Find the filename and line number at
3961 $-2 and $-1 respectively.
3962 * diagnostic.c (error_recursion): Add missing newline, use
3963 fputs, translate string.
3965 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
3967 * stringpool.c: New file.
3968 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
3969 (ggc_alloc_string): Now in stringpool.o.
3970 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
3971 * ggc.h: Delete prototype of ggc_add_string_root. #define
3972 ggc_add_string_root and ggc_mark_string to nothing. Prototype
3973 init_stringpool and stringpool_statistics.
3974 (ggc_alloc_string): Returns a const char *.
3975 * tree.c (hash_table, do_identifier_warnings): Delete.
3976 (init_obstacks): Don't initialize the identifier hash table.
3977 (get_identifier, maybe_get_identifier, start_identifier_warnings,
3978 set_identifier_size): Now in stringpool.c.
3979 * tree.h (struct tree_string): Constify pointer field.
3980 (approx_sqrt): Prototype.
3982 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
3984 * toplev.c (approx_sqrt): New function.
3985 (compile_file): Call stringpool_statistics if mem_report is on.
3986 (main): Call init_stringpool.
3988 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
3989 (process_directive), c-typeck.c (constructor_asmspec, struct
3990 initializer_stack, start_init), except.c (create_rethrow_ref),
3991 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
3992 (built_in_filename), varasm,c (in_named_name,
3993 assemble_static_space, struct constant_descriptor, struct
3994 deferred_string, struct pool_constant, force_const_mem),
3995 i386.c (pic_label_name, global_offset_table_name), rs6000.c
3996 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
3998 * c-common.c (combine_strings): Combine strings in scratch
3999 buffer, then pass to build_string.
4000 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
4001 output_func_start_profiler), stmt.c (init_stmt), alpha.c
4002 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
4003 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
4004 rs6000.c (rs6000_encode_section_info): Create string in
4005 scratch buffer, then pass to ggc_alloc_string.
4007 * stmt.c (expand_asm_operands): If we must adjust the
4008 constraint strings, do so by creating a new one, not by
4009 modifying the old one in place. Constify some char *s.
4010 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
4011 argument. Create string in scratch buffer, then pass to
4013 * config/pa/pa-protos.h: Update prototype.
4014 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
4015 hppa_encode_label takes only one argument.
4017 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4019 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
4022 * cpplib.c (glue_header_name): Likewise.
4024 * fixincl.c (run_compiles, start_fixer): Likewise.
4026 * fixlib.c (load_file_data): Likewise.
4028 * mkdeps.c (munge): Likewise.
4030 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
4032 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
4033 trailing ';'. Fix formatting.
4035 2000-11-16 Jim Wilson <wilson@redhat.com>
4037 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
4038 Shift masks left by one to avoid conflict.
4040 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
4043 2000-11-16 Nick Clifton <nickc@redhat.com>
4045 * config/arm/arm.c (output_arm_prologue): Note nested functions.
4046 (arm_expand_prologue): For nested functions preserve the
4047 static chain register during stack frame creation.
4049 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
4050 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
4051 with a stack frame there is a 4 byte gap between the arg
4052 pointer and the hard frame pointer (used to preserve the
4053 static chain register during stack frame creation).
4055 2000-11-16 DJ Delorie <dj@redhat.com>
4057 * rtl.c (read_rtx): Provide suitable names for unnamed
4058 define_insn and define_insn_and_split patterns, based on file
4061 2000-11-15 Neil Booth <neilb@earthling.net>
4063 * cpplib.c (start_directive, end_directive): New functions.
4064 (_cpp_handle_directive, run_directive): Use them.
4065 (_cpp_handle_directive): Don't -Wtraditional on indented
4067 (_cpp_push_buffer): Don't re-clear was_skipping.
4068 * cpplib.h (struct cpp_reader): New member la_saved.
4069 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
4072 gcc.dg/cpp/_Pragma1.c: Update.
4073 gcc.dg/cpp/_Pragma2.c: New test.
4075 2000-11-15 Mark Mitchell <mark@codesourcery.com>
4077 * toplev.c (wrapup_global_declarations): Don't write out
4078 artificial static variables that aren't needed.
4080 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
4082 * ia64.c (struct group): New structure.
4083 (last_group): New static array.
4084 (group_idx): New static variable.
4085 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
4086 New static functions.
4087 (emit_insn_group_barriers): Initialize and keep track of group_idx
4089 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
4090 Replace all calls to emit_insn_after that emit a group barrier to use
4091 emit_group_barrier_after.
4092 * ia64.h (MASK_B_STEP): New.
4093 (other MASK_XXX macros): Renumbered.
4094 (TARGET_B_STEP): New.
4095 (TARGET_SWITCHES): Add -mb-step.
4097 2000-11-15 Fred Fish <fnf@be.com>
4099 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
4100 machines for which fixincludes is not needed.
4101 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
4103 2000-11-15 Jason Merrill <jason@redhat.com>
4105 * diagnostic.c (finish_abort): New fn.
4106 (fancy_abort, error_recursion): Use it.
4107 * toplev.c (crash_signal): Likewise.
4108 * diagnostic.h: Declare it.
4110 2000-11-13 Andrew Haley <aph@redhat.com>
4112 * tree.c (build_type_no_quals): New function.
4113 * tree.h (build_type_no_quals): Declare.
4114 * c-common.c (c_get_alias_set): When considering type
4115 compatibility for pointer types, ignore cv-qualifiers anywhere in
4118 2000-11-15 Graham Stott <grahams@redhat.com>
4120 * regrename.c (scan_rtx_rtx): Skip to the next chain on
4121 encountering a terminated chain.
4123 2000-11-14 Mark Mitchell <mark@codesourcery.com>
4125 * configure.in: Move check for V3 above check for C++ header-file
4127 * configure: Regenerated.
4129 2000-11-14 DJ Delorie <dj@redhat.com>
4131 * config/v850/v850.c: Remove obstacks.
4133 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
4135 * config/avr/avr.c (avr_case_values_threshold): New.
4136 (avr_override_options): Set it depending on options, make it large
4137 when not optimizing to work around "unable to generate reloads".
4139 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
4140 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
4141 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
4142 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
4143 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
4144 (avr_case_values_threshold): Declare as extern int.
4145 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
4147 * config/avr/avr.md (tablejump): Removed.
4148 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
4149 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
4150 index in the table, not multiplied by 2.
4151 (casesi): Change to match the above insns. Always enable.
4153 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
4154 Change to expect the word address of the table, multiply it by 2
4155 here and not in the caller. Change "adiw" to faster "inc".
4157 2000-11-14 Neil Booth <neilb@earthling.net>
4159 * cppexp.c (parse_defined): Call cpp_get_token not
4162 * cpplex.c (cpp_output_line): Similarly.
4163 * cpplib.c (glue_header_name, do_line, do_ident,
4164 parse_answer, parse_assertion): Similarly.
4165 (_cpp_handle_diretive): Don't save to lookaheads
4166 when processing directives.
4167 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
4169 (funlike_invocation_p): Don't save to lookaheads
4170 when pre-expanding arguments.
4171 (_cpp_get_token): Delete.
4172 (cpp_get_token): Merge contents of _cpp_get_token.
4174 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4176 * builtins.c (expand_builtin_setjmp): Set
4177 current_function_calls_setjmp.
4178 (expand_builtin_longjmp): Set current_function_calls_longjmp.
4180 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
4181 (do_builtin_setjmp_setup): New insn.
4183 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4185 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
4186 (int_fits_type_p): For variable bounds, call force_fit_type.
4188 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4190 * varasm.c (struct deferred_string): New structure.
4191 (const_str_htab): New variable.
4192 (STRHASH): New macro.
4193 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
4194 constr_str_htab_eq, const_str_htab_del): New functions.
4195 (output_constant_def): Add DEFER argument, defer string
4196 constants until mark_constant_pool time if requested.
4197 (mark_constant_pool): Walk the insn chain even if const_str_htab is
4199 (mark_constants): If a SYMBOL_REF for deferred string is found,
4200 output it and remove from hash table.
4201 (output_addressed_constants): Set DEFER to 0 in call to
4202 output_constant_def.
4203 * rtl.h (STRING_POOL_ADDRESS_P): Define.
4204 (output_constant_def): Adjust prototype.
4205 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
4207 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
4209 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
4210 signed types if flag_trapv.
4212 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
4214 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
4217 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
4219 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
4221 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4223 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
4224 to array of pool_constnat pointers.
4225 (struct pool_constant): Add next_sym and label members.
4226 (struct pool_sym): Remove.
4227 (init_varasm_status): Change pool_sym into pool_constant.
4228 (mark_pool_constant): Mark pc->label string as well.
4229 (mark_pool_sym_hash_table): Remove.
4230 (mark_varasm_status): Remove it from caller as well.
4231 (free_varasm_status): Don't free pool_sym structures.
4232 (force_const_mem): Don't allocate pool_sym structure, instead
4233 fill pool->label and chain it into rtx_sym hash table.
4234 (find_pool_constant, mark_constant_pool): Use pool_constant instead
4237 2000-11-14 Jakub Jelinek <jakub@redhat.com>
4239 * reload1.c (emit_input_reload_insns): Honour forcing of constants
4240 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
4242 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
4244 * dominance.c: New file.
4245 * Makefile.in (OBJS): Add dominance.o.
4247 * flow.c (compute_flow_dominators): Remove.
4248 (compute_immediate_dominators): Remove.
4249 (compute_immediate_postdominators): Remove.
4250 * basic-block.h: Remove their prototypes.
4251 (calculate_dominance_info): Add prototype.
4253 * dce.c (eliminate_dead_code): Change calls to above functions.
4254 Don't compute dominators but only immediate dominators.
4255 * flow.c (flow_loops_find): Change callers.
4256 * gcse.c (compute_code_hoist_data): Likewise.
4257 * haifa-sched.c (schedule_insns): Likewise.
4258 * ifcvt.c (if_convert): Likewise.
4259 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
4262 2000-11-14 Richard Henderson <rth@redhat.com>
4264 * stmt.c (warn_if_unused_value): Don't warn if the expression
4267 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
4268 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
4270 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4272 * loop.c (basic_induction_var): Revert accidental checkin.
4274 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
4276 * c-lex.c (cb_leave_file): Harmonize conditions and order of
4277 statements to those of process_directive for (action == act_pop).
4279 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
4281 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
4284 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4286 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
4289 2000-11-13 Neil Booth <neilb@earthling.net>
4291 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
4292 cases return without MI check.
4293 * cpplib.c (do_diagnostic): Take boolean of whether to
4294 print the directive name.
4295 (do_error, do_warning): Update.
4296 (do_pragma_dependency): Use it.
4297 * cpplib.h (VARARGS_FIRST): Delete.
4298 (struct cpp_token): Delete integer.
4299 * cppmacro.c (enter_macro_context): Move disabled check
4301 (_cpp_get_token): Simplify into a single loop.
4303 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4305 * configure.in: Use 'test -f' not '[ -e'.
4306 * configure: Regenerated.
4308 2000-11-13 DJ Delorie <dj@redhat.com>
4310 * config/mn10300/mn10300.md (store_movm): Note which registers are
4311 really used or clobbered.
4313 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4315 * c-parse.in (ends_in_label): Remove from %union and %type.
4316 (decls, stmts, lineno_stmt_or_labels, xstmts,
4317 lineno_stmt_or_label, stmt_or_label): Remove.
4318 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
4319 lineno_stmt_decl_or_labels_ending_decl,
4320 lineno_stmt_decl_or_labels_ending_label,
4321 lineno_stmt_decl_or_labels_ending_error,
4322 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
4323 lineno_stmt, lineno_label): New.
4324 (compstmt_nostart): Use compstmt_contents_nonempty.
4326 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4328 * c-common.c (boolean_increment): New function.
4329 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
4330 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
4331 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
4332 (boolean_increment): Declare.
4333 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
4334 * c-decl.c (init_decl_processing): Create boolean nodes.
4335 (finish_struct): Allow for _Bool bitfields.
4336 * c-parse.in (reswords): Add _Bool.
4337 (rid_to_yy): Allow for RID_BOOL.
4338 * c-typeck.c (default_conversion): Make booleans promote to int.
4339 (convert_arguments, build_unary_op, build_modify_expr,
4340 convert_for_assignment): Allow for booleans.
4341 * ginclude/stdbool.h: Make conforming to C99.
4343 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4345 * c-parse.in (c99_block_start, c99_block_end,
4346 c99_block_lineno_labeled_stmt): New.
4347 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
4348 (stmt): Split off selection and iteration statements into...
4349 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
4351 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4353 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
4356 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4358 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
4359 Rewrite to avoid use of match_dup. Don't try to tie registers that
4360 are not in the same mode.
4362 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4364 * invoke.texi: Update lists of languages and suffixes supported.
4366 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4368 * configure.in: Take toplevel configure arguments from the
4369 environment to create configargs.h and substitute
4370 gcc_config_arguments, taking account of any existing configargs.h
4372 * configure: Regenerate.
4373 * gccbug.in: Include toplevel configure arguments in gccbug.
4375 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
4377 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
4378 union to make it well-aligned. Update all uses.
4380 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4382 * c-parse.in (initelt): Give appropriate pedantic warnings,
4383 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
4385 (designator): If pedantic, pedwarn for a designator specifying a
4387 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
4389 * extend.texi: Document the C99 syntax as the preferred syntax,
4390 and the pre-2.5 syntax as obsolete. Mention use of designator
4391 lists for nested subobjects.
4393 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
4395 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
4396 Add ATTRIBUTE_PRINTF.
4397 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
4398 Add ATTRIBUTE_PRINTF*.
4400 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4402 * function.c (assign_parms): When calling put_var_into_stack, make
4403 sure that there are no hidden pending sequences.
4405 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
4408 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
4411 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
4413 * c-common.c (c_common_nodes_and_builtins): Declare index and
4414 rindex when nonansi builtins are allowed.
4416 * extend.texi (index, rindex): Document new builtins.
4418 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4420 * configure.in: Turn on libstdc++ V3 by default.
4421 * configure: Regenerated.
4423 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
4425 2000-11-12 Jakub Jelinek <jakub@redhat.com>
4427 * reload1.c (set_label_offsets): Go inside of PARALLELs.
4429 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
4431 * invoke.texi: Clean up option summary.
4433 2000-11-12 Nick Clifton <nickc@redhat.com>
4435 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
4436 of #include headers.
4438 2000-11-12 Marc Espie <espie@openbsd.org>
4440 * configure.in: Fix filds test.
4443 2000-11-12 Mark Mitchell <mark@codesourcery.com>
4445 * jump.c (delete_computation): Don't assume that just becuase an
4446 instruction sets a register, that register is dead.
4448 2000-11-12 Neil Booth <neilb@earthling.net>
4450 * cppexp.c: Don't worry about pfile->skipping.
4451 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
4452 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
4453 for handled directives.
4454 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
4455 and releasing lookaheads.
4456 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
4457 (do_else, do_elif, push_conditional): Update logic.
4458 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
4459 (unwind_if_stack): Inline into cpp_pop_buffer.
4460 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
4461 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
4462 multiple-include optimisation.
4463 * cpplib.h (struct cpp_buffer): New member was_skipping.
4464 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
4465 works because skipping == 0 in directives.
4466 (_cpp_release_lookahead): Renamed from release_lookahead.
4467 (cpp_get_token): No need to check skipping as _cpp_get_token does
4468 this for us. No need to handle MI optimisation.
4470 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
4472 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
4473 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
4474 * fixinc/fixincl.x: Regenerated.
4476 2000-11-11 Bruce Korb <bkorb@gnu.org>
4478 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
4479 (avoid_wchar_t_type): ditto
4480 * fixinc/fixinc.irix: obsoleted
4482 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
4484 * configure.in: Don't add $outputs to all_lang_makefiles. Add
4485 $srcdir/$s/Makefile.in if it exists.
4486 * configure: Regenerate.
4488 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
4490 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
4492 2000-11-11 Jason Merrill <jason@redhat.com>
4494 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
4495 give the parm a register and then call put_var_into_stack.
4496 * stmt.c (expand_decl): Likewise.
4498 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4500 * gcc.texi: Adjust wording.
4502 2000-11-11 Mark Mitchell <mark@codesourcery.com>
4504 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
4505 * fininc/fixincl.x: Regenerated.
4507 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4509 * invoke.texi: Correct spelling of -foptimize-register-move.
4511 2000-11-11 Neil Booth <neilb@earthling.net>
4513 Remove CPP_PLACEMARKERs.
4515 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
4516 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
4517 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
4519 * cpplib.h: Remove CPP_PLACEMARKER.
4520 (struct lexer_state): Rename skip_newlines to next_bol.
4521 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
4522 Simplify prev_white handling as a result.
4523 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
4524 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
4525 (parse_args): Similarly. Update argument count tests.
4526 (enter_macro_context): Return 2 to indicate an empty macro.
4527 (replace_args): Don't bother pre-expanding an empty argument.
4528 Handle placemarkers and ## extension during pre-expansion.
4529 (cpp_get_token): Handle empty macro expansions. Don't worry
4530 about CPP_PLACEMARKERs.
4531 (_cpp_create_definition): Empty macros are now empty.
4532 (cpp_macro_defintion): Don't special case empty macros.
4533 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
4534 * c-lex.c: Similarly.
4536 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
4538 * gcc.texi, invoke.texi: Add new section discussing language
4539 standards; link to it where appropriate; refer to ISO C instead of
4542 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
4544 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
4547 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
4550 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4552 * gcc.texi, gcov.texi: Update dates and version numbers.
4554 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
4556 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
4557 flex and bison, specifically, first in a unified build and
4558 then installed on the system.
4559 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
4560 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
4563 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
4564 cppdefault.o): Remove pointless sed munging of source file
4567 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
4569 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
4570 for address reloads. Push replacements for REG_INC notes.
4571 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
4573 * reload1.c (choose_reload_regs): Registers set in the insn can't be
4574 used for RELOAD_OTHER reloads.
4576 2000-11-10 Mark Mitchell <mark@codesourcery.com>
4578 * c-dump.h: New file.
4580 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4582 * alpha.c (check_float_value): Use memcpy, not bcopy.
4583 * arm.c (output_move_double): Likewise.
4585 * m88k.c (legitimize_operand): Likewise.
4586 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
4587 * m88k.md: Likewise.
4588 * mips.c (override_options): Likewise.
4589 * mips.md: Likewise.
4590 * romp.c (output_fpops): Likewise.
4591 * rs6000.c (rs6000_override_options): Likewise.
4593 * vax.c (check_float_value): Likewise.
4595 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
4596 * expmed.c (synth_mult): Likewise.
4597 * final.c (add_bb_string): Likewise.
4598 * genattr.c (main): Likewise.
4599 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
4601 * jump.c (thread_jumps): Likewise.
4602 * prefix.c (save_string): Likewise.
4603 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
4604 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
4605 * reload1.c (reload, eliminate_regs): Likewise.
4607 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4609 * gcc.texi (Service): Update to reflect current practice and
4610 location of the GNU service directory.
4612 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
4614 * regrename.c (build_def_use): Mark contents of REG_INC notes as
4615 needing replacement.
4617 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
4618 a no-op move if regs are equal.
4619 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
4620 when calling jump after post-reload splitting.
4622 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
4624 * c-tree.texi: Fix typos.
4625 * extend.texi: Likewise
4626 * gcov.texi: Likewise
4627 * rtl.texi: Likewise
4630 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
4632 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
4633 in_system_header and flags[1] before dereferencing flags[2].
4635 2000-11-09 Matthew Hiller <hiller@redhat.com>
4637 * reload1.c (reload_combine): Fixed calculation of
4638 first_index_reg, last_index_reg.
4640 2000-11-09 Mark Mitchell <mark@codesourcery.com>
4642 * c-dump.c (dequeue_and_dump): Dump function bodies.
4644 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
4645 (c-dump.o): New target.
4646 * c-common.h (flag_dump_translation_unit): New variable.
4647 (C_TYPE_QUALS): New macro.
4648 (strip_array_types): New function.
4649 (DECL_C_BIT_FIELD): New macro.
4650 (SET_DECL_C_BIT_FIELD): Likewise.
4651 (CLEAR_DECL_C_BIT_FIELD): Likewise.
4652 (dump_info_p): New typedef.
4653 (dump_tree_fn): Likewise.
4654 (lang_dump_tree): New variable.
4655 (dump_node_to_file): New function.
4656 * c-common.c (flag_dump_translation_unit): Define it.
4657 (strip_array_types): New function.
4658 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
4659 * c-lang.c (finish_file): Call dump_node_to_file if
4660 flag_dump_translation_unit.
4661 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
4662 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
4663 * c-dump.c: New file.
4665 2000-11-09 Christopher Faylor <cgf@cygnus.com>
4667 * config/i386/cygwin.h: Add mingw startfile prefix.
4669 2000-11-09 Richard Henderson <rth@redhat.com>
4671 * flow.c (invalidate_mems_from_set): Split out from ...
4672 (mark_set_1): ... here.
4673 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
4674 instead of turning insn into a NOTE_INSN_DELETED.
4676 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
4678 * extend.texi, invoke.texi: Move documentation of builtin versions
4679 of C library functions to one place and update.
4681 2000-11-09 Richard Henderson <rth@redhat.com>
4683 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
4684 the types themselves to discover type equivalence.
4686 2000-11-09 Mike Stump <mrs@wrs.com>
4688 * Makefile.in (distclean): Remove a few extra leftovers.
4690 2000-11-09 Richard Henderson <rth@redhat.com>
4692 * recog.c (validate_replace_rtx_1): Consider subregs when
4693 replacing a register with a constant inside a sign/zero_extend.
4695 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4697 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
4699 * c-decl.c (finish_struct): When a structure is completed,
4700 check all its variant types for completeness.
4702 2000-11-09 Neil Booth <neilb@earthling.net>
4704 * cpphash.c: Move cpp_defined here from cpplib.c.
4705 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
4706 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
4707 * cppmacro.c (cpp_get_token): Update comments, no need now
4708 to catch the CPP_EOF meaning EOL case.
4710 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
4712 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
4713 is more than that provided, copy to a temporary.
4715 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
4717 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
4718 interpreting $out as a macro assignment.
4719 * Makefile.in (T_TARGET): New auxiliary macro and target.
4720 (all): Add a target right in the beginning, so that we don't build
4721 T_TARGET by default.
4723 2000-11-09 Graham Stott <grahams@redhat.com>
4725 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
4726 order for -mintel-syntax. Remove comment now that the operand
4727 order has been checked.
4728 (mmx_pextrw): Likewise.
4729 (mmx_pshufw): Likewise.
4731 2000-11-09 Jakub Jelinek <jakub@redhat.com>
4733 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
4734 (c_getstr): New function.
4735 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
4736 If both arguments are constant string, optimize out.
4737 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
4738 (expand_builtin_strpbrk): Use c_getstr, do nothing if
4739 -fcheck-memory-usage.
4740 (expand_builtin_fputs): Likewise.
4741 (expand_builtin_strcmp): Add MODE argument.
4742 Use even if !HAVE_cmpstrsi.
4743 Optimize the case when both arguments are constant strings.
4744 (expand_builtin): Adjust expand_builtin_strcmp caller.
4745 Call expand_builtin_strchr and expand_builtin_strrchr.
4746 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
4748 * builtins.def (BUILT_IN_STRRCHR): Add.
4750 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4752 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
4754 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
4756 * calls.c (expand_call, emit_library_call_value_1), collect2.c
4757 (scan_prog_file), config/a29k/a29k.c (print_operand),
4758 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
4759 instead of bcopy ().
4760 * real.h: Use memcmp () instead of bcmp ().
4761 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
4762 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
4763 ultrasparc_sched_init, ultrasparc_sched_reorder),
4764 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
4765 instead of bzero ().
4766 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
4767 instead of rindex ().
4768 * configure.in: Don't check for bzero, bcmp, index or rindex.
4769 * configure, config.in: Regenerate.
4770 * system.h: Don't include declarations for bzero, bcmp, index or
4772 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
4773 bzero, bcmp, index or rindex.
4775 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
4777 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
4778 include and library paths from -mcygwin case. Parameterize some
4779 declarations to avoid warnings. Use standard locations for include and
4782 2000-11-08 Nick Clifton <nickc@redhat.com>
4784 * config/arm/arm.md (mulsidi3adddi): Change output operand
4785 constraint from "=&" to "+&".
4786 (umulsidi3adddi): Change output operand constraint from "=&" to
4789 2000-11-08 Richard Henderson <rth@redhat.com>
4791 * flow.c (init_propagate_block_info): Protect the rtx stored in
4792 mem_set_list from modification by find_auto_inc.
4793 (mark_set_1): Likewise.
4795 2000-11-08 Neil Booth <neilb@earthling.net>
4797 Move directive handling into the lexer itself.
4799 * cpplex.c (_cpp_lex_token): Handle directives directly.
4800 In the case of a directive interrupting a function-like
4801 macro invocation, use extra_char since read_ahead is
4802 used to store the '#'. Return a CPP_EOF in this case.
4803 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
4804 (cpp_get_token): Don't handle directives here.
4805 * cpplib.h: Remove CPP_DHASH token type.
4807 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
4809 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
4810 formed using PRE_MODIFY too.
4812 2000-11-08 Mark Mitchell <mark@codesourcery.com>
4814 * c-tree.texi (VAR_DECL): Describe representation of GCC's
4815 extension for placing variables in particular registers.
4817 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
4818 unprototyped C functions with no parameters.
4820 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4822 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
4823 before passing to fprintf.
4825 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4827 * function.c (expand_function_start): Cast GET_MODE_SIZE to
4828 HOST_WIDE_INT before negating it.
4830 2000-11-08 Jakub Jelinek <jakub@redhat.com>
4832 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
4833 passed in multiple non-contiguous locations.
4835 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4837 * README.gnat: Remove file.
4839 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
4841 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
4844 2000-11-07 Richard Henderson <rth@redhat.com>
4846 * dwarfout.c (INSN_LABEL_FMT): Remove.
4847 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4848 (dwarfout_label): Remove.
4849 * dwarfout.h: Remove it's prototype.
4850 * dwarf2out.c (INSN_LABEL_FMT): Remove.
4851 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
4852 (dwarf2out_label): Remove.
4853 * dwarf2out.h: Remove it's prototype.
4854 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
4856 2000-11-07 Richard Henderson <rth@redhat.com>
4858 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
4859 search on the unwind region section.
4861 * config/ia64/ia64.md (movbi): Add r/r alternative.
4862 (cmovdi_internal_astep): Describe all combinations of register
4863 classes for sources & destinations; remove matching constraints.
4864 (cmovdi_internal): Likewise.
4866 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
4868 2000-11-07 Richard Henderson <rth@redhat.com>
4870 * c-lang.c (start_cdtor, finish_cdtor): New functions.
4871 (finish_file): Use them in building constructor/destructor functions.
4873 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
4874 LD_FINI_SWITCH): Move ...
4875 * config/alpha/osf.h: ... here.
4876 * config/alpha/alpha-interix.h: Don't undef them.
4878 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
4880 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
4881 included in libgcc.a.
4883 (dp-bit.c): Likewise.
4884 (fp-bit.c): Likewise.
4886 2000-11-07 Nick Clifton <nickc@redhat.com>
4888 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
4889 (INTERNAL_ASM_OP): Add missing tab.
4891 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4893 * alias.c (init_alias_analysis), calls.c (expand_call,
4894 emit_library_call_value_1), combine.c (init_reg_last_arrays),
4895 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
4896 (init_output_buffer, set_diagnostic_context), dwarf2out.c
4897 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
4898 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
4899 function.c (assign_parms), gcse.c (compute_can_copy,
4900 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
4901 compute_hash_table, compute_set_hash_table,
4902 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
4903 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
4904 clear_units, schedule_block), integrate.c (initialize_for_inline,
4905 expand_inline_function), jump.c (thread_jumps), local-alloc.c
4906 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
4907 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
4908 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
4909 record_reg_classes, allocate_reg_info), reload.c
4910 (get_secondary_mem, remove_address_replacements, find_reloads),
4911 reload1.c (reload, set_initial_label_offsets, finish_spills,
4912 reload_as_needed, choose_reload_regs_init,
4913 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
4914 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
4915 (rename_registers), stmt.c (expand_end_case), unroll.c
4916 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
4917 () instead of bzero ().
4919 2000-11-07 Neil Booth <neilb@earthling.net>
4921 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
4923 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4925 * c-common.c (combine_strings): Only warn about long strings for C.
4927 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
4929 * combine.c (distribute_notes): Fix typo in last change.
4931 2000-11-07 Geoff Keating <geoffk@redhat.com>
4933 * config/rs6000/rs6000.md (movdi_internal32+1): Use
4934 operand_subreg_force rather than gen_rtx_SUBREG.
4935 (movdi_internal32+2): Likewise.
4937 2000-11-07 Philip Blundell <philb@gnu.org>
4939 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
4940 * config/arm/linux-aout.h: Likewise.
4941 * configure: Regenerate.
4943 2000-11-07 Philipp Thomas <pthomas@suse.de>
4945 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
4946 accepted my the gettext maintainer.
4948 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4950 * builtins.c (expand_builtin_strpbrk): New function.
4951 (expand_builtin): Handle BUILT_IN_STRPBRK.
4953 * builtins.def (BUILT_IN_STRPBRK): New entry.
4955 * c-common.c (c_common_nodes_and_builtins): Declare builtin
4958 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
4960 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
4961 * POTFILES.in: Add config/alpha/freebsd.h
4962 * configure.in: Add alpha*-freebsd support.
4963 * configure: Regenerate.
4965 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
4967 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
4968 copy of ptr_type_node rather than ptr_type_node itself.
4970 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
4972 * combine.c (recog_for_combine): Allocate uninitialized vector with
4974 * recog.c (apply_change_group): Likewise.
4976 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
4978 * flow.c (verify_local_live_at_start): Back out last change.
4979 * combine.c (distribute_notes): When parts of a hard reg are
4980 neither set nor referenced in PLACE, search backwards for a
4981 place to put a REG_UNUSED note; if none found, ask for flow
4984 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
4986 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
4987 with (clobber (match_scratch...)).
4989 2000-11-06 Neil Booth <neilb@earthling.net>
4991 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
4994 2000-11-06 Neil Booth <neilb@earthling.net>
4996 * tradcpp.c (special_symbol): Assign an null string rather
4997 than writing to an unallocated buffer.
4999 2000-11-06 Neil Booth <neilb@earthling.net>
5001 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
5004 2000-11-06 Neil Booth <neilb@earthling.net>
5006 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
5007 tok.val.arg_no as appropriate.
5008 * cppexp.c (lex): Similarly.
5009 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
5010 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
5011 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
5012 cpp_macro_definition): Similarly.
5013 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
5015 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5017 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
5018 operands[1] is constant, calculate the sum and generate movdi.
5019 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
5020 (subsi3): Use SImode in call to arith_4096_operand.
5022 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5024 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
5025 adjust %o1, not %o0 if the return type is large structure.
5027 2000-11-06 Jakub Jelinek <jakub@redhat.com>
5029 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
5030 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
5032 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5034 * expmed.c (expand_divmod): For signed divide by 2, prefer
5035 a branch and fewer shifts if branches are very cheap.
5037 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
5039 * Makefile.in: Remove all targets related to building
5040 distributions and diffs, or INSTALL.
5041 * INSTALL, install1.texi: Remove.
5042 * configure.in: Remove mention of distdir.
5043 * configure: Regenerate.
5044 * objc/Make-lang.in: Remove mention of distdir.
5046 2000-11-04 Neil Booth <neilb@earthling.net>
5048 * cpp.texi: Update for _Pragma.
5050 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
5052 * gcc.texi (Contributing): Update URL for projects web page.
5054 2000-11-04 Neil Booth <neilb@earthling.net>
5056 * cpplex.c (parse_string): Don't allow multiline strings in
5057 #include family directives.
5059 2000-11-04 Neil Booth <neilb@earthling.net>
5061 * cpplib.c (do_line): Only warn pedantically if not reading
5064 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
5066 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
5069 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
5071 * builtins.c (expand_builtin_strlen): Remove unused mode
5073 * gcc.c (process_command): Remove unused variable.
5074 * fold-const.c: Include expr.h.
5075 * recog.c: Include reload.h.
5076 * Makefile.in (recog.o, fold-const.o): Update deps.
5078 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
5080 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
5082 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
5084 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
5086 (STARTFILE_SPEC): Likewise.
5087 (LINK_SPEC): Likewise.
5089 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5091 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
5092 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
5093 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
5095 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
5097 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
5098 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
5099 perm_calloc, get_identifier, maybe_get_identifier,
5100 real_value_from_int_cst, simple_cst_equal), varasm.c
5101 (assemble_name, assemble_real, immed_real_const_1,
5102 compare_constant_1, decode_rtx_const, output_constant_pool): Use
5103 strrchr () instead of rindex (). Use memcmp () instead of bcmp
5104 (). Use memcpy () instead of bcopy (). Use memset () instead of
5107 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
5109 * cppfiles.c (open_file): If already read, then don't reopen.
5110 Immediately close an empty file.
5112 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5114 * expr.h (fold_builtin): Move declaration...
5115 * tree.h (fold_builtin): ... here.
5117 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
5119 * flow.c (verify_local_live_at_start): Allow hard regs to die.
5121 2000-11-02 Neil Booth <neilb@earthling.net>
5124 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
5125 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
5126 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
5127 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
5128 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
5129 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
5130 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
5131 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
5132 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
5133 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
5134 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
5135 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
5136 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
5137 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
5138 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5139 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
5140 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
5141 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
5142 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
5143 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
5144 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
5145 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
5146 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
5147 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
5148 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
5149 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
5150 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
5151 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
5152 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
5153 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
5154 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
5155 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
5156 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
5157 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
5158 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
5159 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
5160 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
5161 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
5162 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
5163 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
5164 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
5165 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
5166 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
5167 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
5168 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
5169 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
5170 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
5171 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
5172 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
5173 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
5174 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
5175 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
5176 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
5177 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
5178 vax/vaxv.h, vax/vms.h, we32k/we32k.h
5180 Replace -A() with -A=, the new assertion syntax.
5182 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
5184 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
5186 In REG_DEAD handling: When handling parts of multi-hard-reg hard
5187 registers, increment the loop counter by the size of the parts;
5188 use recursion to handle individual parts.
5190 2000-11-02 Neil Booth <neilb@earthling.net>
5192 * configure.in: Make integrated CPP the default.
5193 * configure: Regenerate.
5195 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
5197 * reload.c (find_equiv_reg): Test all hard registers for membership
5198 in the requested class.
5200 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5202 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
5203 process_command, main), gcov.c (open_files, output_data), tlink.c
5204 (frob_extension, scan_linker_output), toplev.c
5205 (file_name_nondirectory): Use strchr () and strrchr () instead of
5206 index () and rindex ().
5208 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
5210 * c-common.c (get_flag_spec, check_format_info_main,
5211 check_format_types): Use strchr () instead of index (). Compare
5212 against error_mark_node instead of comparing the TREE_CODE against
5215 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
5219 * c-lex.c (init_c_lex): Update cpp_start_read call.
5220 (cb_ident): Update for new callback prototype.
5221 (cb_def_pragma): Update for new cpp_get_token prototype.
5222 (c_lex): Similarly. Use cpp_get_line.
5224 * c-parse.in (finish_parse): Update for new cpp_finish
5227 * cp/lex.c (finish_parse): Similarly.
5229 2000-11-01 Geoff Keating <geoffk@cygnus.com>
5231 * machmode.def: Add V16QImode.
5233 2000-11-01 Richard Henderson <rth@redhat.com>
5235 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
5236 from rtl_for_decl_location.
5237 (add_location_or_const_value_attribute): Likewise.
5239 2000-11-01 Neil Booth <neilb@earthling.net>
5241 * cpplib.c (run_directive): Use correct line number for output
5242 of _Pragma. Remember any in-progress directive.
5244 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
5246 2000-11-01 Richard Henderson <rth@redhat.com>
5248 * stmt.c (expand_start_null_loop): Set continue_label.
5250 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
5252 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
5253 (expand_builtin_constant_p): Move parts of the code into
5254 fold_builtin_constant_p.
5255 (expand_builtin_strlen): Move parts of the code into fold_builtin.
5256 * expr.h (fold_builtin): Declare.
5257 * fold-const.c (fold): Handle builtin calls.
5259 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
5261 2000-11-01 Richard Henderson <rth@redhat.com>
5263 * stmt.c (expand_start_null_loop): New.
5264 (expand_end_null_loop): New.
5265 * c-semantics.c (genrtl_do_stmt): Use them.
5266 * tree.h: Declare them.
5268 2000-11-01 Richard Henderson <rth@redhat.com>
5270 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
5272 2000-11-01 Neil Booth <neilb@earthling.net>
5274 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
5275 * cp/spew.c: Similarly.
5276 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
5277 * cppmacro.c (stringify_arg): Similarly.
5278 * cpplib.h (CPP_BACKSLASH): Delete.
5280 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5282 * builtins.c (expand_builtin_strstr): New function.
5283 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
5285 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
5287 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
5290 2000-10-31 Richard Henderson <rth@redhat.com>
5292 * config/i386/i386.c (fcmov_comparison_operator): Check for
5293 CCFPmode or CCFPUmode instead of CCmode.
5294 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
5295 unordered operations as well.
5297 2000-10-31 Richard Henderson <rth@redhat.com>
5299 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
5300 of integer_zero_node.
5302 2000-10-31 Richard Henderson <rth@redhat.com>
5304 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
5306 2000-10-31 Nick Clifton <nickc@redhat.com>
5308 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
5309 -fdata-sections to override the section attribute of a DECL.
5311 2000-10-31 Chris Demetriou <cgd@sibyte.com>
5313 * libgcc2.c (__shtab): Remove __shtab variable.
5314 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
5315 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
5318 2000-10-31 Jim Wilson <wilson@redhat.com>
5320 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
5321 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
5322 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
5323 instead of ASM_OUTPUT_INTERNAL_LABEL.
5324 (dwarf2out_end_block, dwarf2out_label): Likewise.
5325 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
5326 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
5328 2000-10-31 Richard Henderson <rth@redhat.com>
5330 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
5331 (size_of_locs): Set it.
5332 (output_loc_operands): Use it to compute branch displacement.
5333 (int_loc_descriptor): New.
5334 (mem_loc_descriptor): Dereference memory in the proper size.
5335 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
5336 (loc_descriptor_from_tree): New.
5337 (rtl_for_decl_location): Break out from ...
5338 (add_location_or_const_value_attribute): ... here.
5339 (add_bound_info): Use loc_descriptor_from_tree.
5341 2000-10-31 Neil Booth <neilb@earthling.net>
5343 * cpp.texi: Update for new command line assertion syntax.
5344 * cpplib.c (cpp_define): Simplify a bit.
5345 (cpp_assert, cpp_unassert): Use handle_assertion.
5346 (handle_assertion): New function; accept new command line
5348 * testsuite/gcc.dg/cpp/assert3.c: New tests.
5350 2000-10-31 Neil Booth <neilb@earthling.net>
5352 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
5353 undefined. Remove #ifdef check.
5354 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
5355 Define STDC_0_IN_SYSTEM_HEADERS to 1.
5357 2000-10-31 Jan Hubicka <jh@suse.cz>
5358 Jakub Jelinek <jakub@redhat.com>
5360 * config/i386/i386.h: Clarify CCNOmode description in comment.
5361 (EXTRA_CC_MODES): Remove CCRCmode.
5362 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
5363 (put_condition_code, ix86_match_ccmode): Likewise.
5364 (ix86_cc_mode): Likewise. Fix comment.
5365 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
5366 * config/i386/i386.md: Add unspec 12 description.
5367 (adddi3 split): Use unspec 12 instead of CCRCmode.
5368 (addsi3_carry_rc): Remove.
5369 (addsi3_cc, addqi3_cc): New patterns.
5370 (addsi_3): Swap operands, match CCZmode.
5371 (addsi_4): Rewritten.
5372 (addsi_5): Renamed from addsi_6.
5374 (addhi_3): Swap operands, match CCZmode.
5375 (addhi_4): Rewritten.
5376 (addhi_5): Renamed from addhi_6.
5378 (addqi_3): Swap operands, match CCZmode.
5379 (addqi_4): Rewritten.
5380 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
5381 (subsi3_carry_rc): Removed.
5382 (iorqi_3): Use =q constraint for clobber.
5383 (xorqi_cc_2): Likewise.
5384 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
5385 (x86_movsicc_0_m1_rc): Removed.
5386 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
5388 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
5390 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
5391 and decrement of complex types.
5393 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5395 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
5396 builtin fputs, ensure we still evaluate the stream in case it
5399 2000-10-31 Jakub Jelinek <jakub@redhat.com>
5401 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
5404 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
5406 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
5407 (fp_extended_operand, emit_fpscr_use): Likewise.
5408 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
5409 (fpul_operand): New function.
5410 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
5411 fp_extended_operand. Add fpul_operand.
5412 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
5413 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
5414 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
5415 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
5416 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
5417 (divdf3_i): Likewise.
5418 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
5419 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
5420 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
5421 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
5422 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
5424 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
5426 * config/i386/i386.c (ix86_init_builtins): Correct return type
5427 building v4hi_ftype_v4hi_int_int tree node.
5428 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
5429 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
5431 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
5433 (mmx__uavgv8qi3): Correct insn mnemonic.
5434 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
5435 (mmx_punpckhwd): Correct insn mnemonic.
5436 (mmx_punpckhdq): Likewise.
5437 (mmx_punpcklwd): Likewise.
5438 (mmx_punpckldq): Likewise.
5439 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
5440 Renumber case labels to match the _mm_prefetch constants defined in
5443 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
5444 if the splitter didn't emit new insns.
5445 Make sure we call cleanup_subreg_operands even when splitting the last
5446 insn in a basic block.
5448 * invoke.texi (Debugging Options): Describe -do.
5449 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
5450 (dump_file): Likewise.
5451 (rest_of_compilation): Split .greg dump into .greg and .postreload.
5453 2000-10-30 Neil Booth <neilb@earthling.net>
5455 * cppfiles.c (stack_include_file): Check for stacked contexts
5457 * cpphash.h (_cpp_do__Pragma): New prototype.
5458 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
5460 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
5461 escaped newlines if !(buffer->from_stage3).
5462 (_cpp_lex_token): Warn about missing newlines iff
5463 !buffer->from_stage3.
5465 * cpplib.c (get__Pragma_string, destringize,
5466 _cpp_do__Pragma): New functions.
5467 (run_directive): Set output_line for _Pragma to avoid line
5468 markers in output. Set from_stage3 and prevent macro expansion
5469 for _Pragma and command-line options. Check buffer exhaustion.
5470 (cpp_push_buffer): Don't check for stacked macro contexts, as
5471 this is perfectly legitimate for _Pragma. Move the check to
5472 stack_include_file instead. Set from_stage3 iff buffer is
5475 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
5476 unsigned. New boolean from_stage3.
5477 (struct spec_nodes): Add n__Pragma.
5479 * cppmacro.c (enter_macro_context): Flip sense of return value.
5480 (_cpp_get_token): Handle _Pragma operator.
5482 2000-10-30 Phil Edwards <pme@sources.redhat.com>
5484 * gcc.texi: The C++ standard isn't "draft" anymore.
5486 2000-10-30 Mark Mitchell <mark@codesourcery.com>
5488 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
5490 2000-10-29 Neil Booth <neilb@earthling.net>
5492 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
5494 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
5496 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
5497 fixinc/inclhack.def: Change comments mentioning C9X to refer to
5500 * invoke.texi: Document that -V will only work for very similar
5501 versions of driver and compiler.
5503 2000-10-29 Neil Booth <neilb@earthling.net>
5505 * cppmacro.c (_cpp_create_definition): Optimize the case of
5506 a macro defined to itself.
5508 2000-10-29 Neil Booth <neilb@earthling.net>
5510 * cpplex.c (save_comment): Don't store new lines in C++ comments.
5512 2000-10-29 Michael Hayes <mhayes@redhat.com>
5514 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
5516 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
5518 * cpphash.c (cpp_forall_identifiers): Add context variable
5519 for callback routine.
5520 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
5522 (main): Call cpp_forall_identifiers with null context.
5523 * cpplib.h (cpp_forall_identifiers): Update prototype.
5525 * cppmain.c: Make `parse_in' and `print' static.
5527 2000-10-28 Alan Modra <alan@linuxcare.com.au>
5529 * c-decl.c (finish_function): Clear c_function_name_declared_p.
5531 2000-10-28 Richard Henderson <rth@redhat.com>
5533 * regrename.c (scan_rtx_address): Frob action, not class,
5534 when trying to disable optimization.
5536 2000-10-28 Mark Mitchell <mark@codesourcery.com>
5538 * c-semantics.c (make_rtl_for_local_static): Don't clobber
5539 DECL_ASSEMBLER_NAME.
5541 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
5543 * configure.in: Determine and substitute gcc_version_full.
5544 * configure: Regenerate.
5545 * gccbug.in: Use it to give full version. Don't allow
5548 2000-10-28 Richard Henderson <rth@redhat.com>
5550 * recog.c (split_all_insns): Run cleanup_subreg_operands
5553 * regrename.c (regrename_optimize): Verify that all registers of
5554 a multiple register mode are available.
5555 (scan_rtx_address): Accept the mode of the address; all callers
5558 * cpplib.c (run_directive): Fix prototype.
5560 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
5562 * reload.c (find_reloads): Distinguish "wins" so that we know whether
5563 a given operand won because of a matching constraint or not; then use
5564 that information to compute goal_alternative_matched properly.
5565 * reload1.c (choose_reload_regs): Never set reload_override_in for an
5568 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
5569 accurate value for MULT.
5570 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
5571 2% or > 98% before using static branch prediction bits.
5573 2000-10-28 Neil Booth <neilb@earthling.net>
5577 * cpplib.c (struct answer): New.
5578 (struct if_stack): Use cpp_lexer_pos rather than line and col.
5579 Rename cmacro mi_cmacro.
5580 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
5581 IN_I): New directive and flags.
5582 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
5583 parse_answer, parse_assertion, find_answer): New functions.
5584 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
5585 (lex_macro_node): New function to replace parse_ifdef and
5588 (_cpp_handle_directive): New function, combines _cpp_check_directive
5589 and _cpp_check_linemarker.
5591 (do_define, do_undef, parse_include, do_include, do_import,
5592 do_include_next, read_line_number, do_line, do_ident, do_pragma,
5593 do_pragma_once, do_pragma_poison, do_pragma_dependency):
5594 Update for new token getting interface.
5596 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
5597 : Update for new multiple-include optimisation technique.
5598 (do_elif): Don't forget to invalidate controlling macros.
5600 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
5601 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
5602 Functions to handle assertions with the new token interface.
5603 (do_assert, do_unassert): Use them.
5605 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
5608 (_cpp_init_stacks): Register directive names. Don't register special
5611 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
5612 new position recording regime.
5613 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
5614 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
5615 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
5616 (cpp_type2name): Move to cpplex.c.
5618 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
5619 (parse_defined): Update to handle new multiple include optimisation
5620 method. Remove poisoned identifier warning.
5621 (parse_assertion, TYPE_NAME): Delete.
5622 (lex): Update for multiple include optimisation, removal of
5623 CPP_DEFINED, to use _cpp_test_assertion for assertions and
5625 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
5626 (op_as_text): New function, to wrap cpp_token_as_text.
5628 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
5629 Update for MI optimisation.
5630 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
5631 segfault on diagnostic.
5632 (_cpp_compare_file_date): Take a token rather than 3 args.
5633 (cpp_read_file): Work correctly for zero-length files.
5635 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
5636 _cpp_init_hashtable and _cpp_cleanup_hashtable.
5637 (cpp_lookup): Place identifiers at front of identifier pool
5638 for _cpp_lookup_with_hash.
5639 (_cpp_lookup_with_hash): Require identifiers to be at the front of
5640 the identifier pool. Commit the memory if not already in the
5643 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
5644 Initialise various members of cpp_reader, memory pools, and the
5646 (cpp_printer_init): Delete.
5647 (cpp_cleanup): Update.
5648 (struct builtin, builtin_array, initialize_builtins): Update for new
5649 hashnode definition and builtin handling.
5650 (cpp_start_read, cpp_finish): Don't take or initialise a
5653 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
5654 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
5655 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
5656 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
5657 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
5658 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
5659 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
5660 struct toklist, struct cpp_context, struct specnodes,
5661 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
5662 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
5663 enum builtin_type, cpp_can_paste): New.
5664 (struct cpp_token): Delete line and col members.
5665 (struct cpp_buffer): New member output_lineno.
5666 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
5667 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
5668 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
5669 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
5670 base_context, context, directive, mi_state, mi_if_not_defined,
5671 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
5672 mlstring_pos, macro_buffer, macro_buffer_len.
5673 Delete members mls_line, mls_column, token_list, potential_control_macro,
5674 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
5675 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
5676 save_parameter_spellings, need_newline, .
5677 Change type of date, time and spec_nodes members.
5678 Change prototypes for include and ident callbacks.
5679 (struct cpp_hashnode): Change type of name. Remove union members
5680 expansion and code. Add members macro, operator and builtin.
5682 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
5683 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
5684 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
5685 cpp_stop_lookahead): New prototypes.
5686 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
5688 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
5689 Move from cpphash.h.
5691 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
5692 ufputs): Move to cpplib.h.
5693 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
5694 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
5695 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
5696 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
5697 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
5698 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
5699 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
5700 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
5701 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
5702 _cpp_parse_assertion, _cpp_find_answer): Delete.
5703 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
5704 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
5705 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
5706 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
5707 _cpp_handle_directive, DSC): New.
5708 (struct include_file): New member defined.
5710 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
5711 _cpp_compare_file_date): Update.
5712 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
5713 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
5714 _cpp_cleanup_hashtable.
5716 * Makefile.in: Remove cppoutput.c.
5718 * cppoutput.c: Delete
5720 * fixheader.c (read_scan_file): Update for new cpp_get_token
5722 (recognized_function): New argument LINE.
5724 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5725 new cpp_get_token prototype.
5727 * scan.h (recognized_function): Update prototype.
5729 * po/POTFILES.in: Remove cppoutput.c.
5731 2000-10-27 Mark Mitchell <mark@codesourcery.com>
5733 * c-typeck.c (check_init_type_bitfields): Remove.
5734 (constructor_incremental): Likewise.
5735 (struct constructor_stack): Remove incremental bit.
5736 (struct initializer_stack): Likewise.
5737 (start_init): Don't play with constructor_incremental.
5738 (finish_init): Likewise.
5739 (really_start_incremental_init): Likewise.
5740 (push_init_level): Likewise.
5741 (pop_init_level): Likewise.
5742 (output_init_level): Likewise.
5743 (output_pending_init_elements): Likewise.
5745 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
5747 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
5748 Improve error messages. Correct parsing of
5749 #pragma pack(pop [,id]). Do not check the user-supplied
5750 alignment if we're popping.
5752 * gcc.dg/pack-test-1.c: New test case.
5753 * gcc.dg/pack-test-2.c: New test case.
5754 * gcc.dg/pack-test-1.h: New file.
5756 2000-10-27 Neil Booth <neilb@earthling.net>
5760 2000-10-27 Kelley Cook <kelley.cook@home.com>
5762 * invoke.texi: Document -mintel-syntax
5764 2000-10-27 Richard Henderson <rth@redhat.com>
5766 * invoke.texi: Document -frename-registers. Add it to -O3.
5767 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
5768 (enum dump_file_index, dump_file): Update order.
5769 (main): Set flag_rename_registers at -O3.
5771 2000-10-27 Richard Henderson <rth@redhat.com>
5773 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
5774 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
5775 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
5776 * config/alpha/alpha.md (call_osf_1): Use it.
5777 (call_value_osf_1): Likewise.
5779 * config/ia64/ia64.c: Revert 10-23 patch.
5780 (ia64_hard_regno_rename_ok): New.
5781 * config/ia64/ia64-protos.h: Declare it.
5782 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
5784 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
5785 Richard Henderson <rth@redhat.com>
5787 * regrename.c: Rewrite to handle multi-register modes and
5788 cond_exec instructions.
5789 * Makefile.in (regrename.o): Update dependancies.
5790 * recog.h (struct operand_alternative): Add is_address.
5791 * recog.c (preprocess_constraints) [case 'p']: Set it.
5793 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
5795 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
5796 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
5797 top level. Kill oldstyle_subdirs. Do not include
5798 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
5799 $outputs. Do not run configure.lang from config.status.
5800 Rearrange warning-flag logic to correspond to what the
5801 makefile wants. Put special vax stage1 options in
5802 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
5803 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
5804 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
5805 switch is given, nothing otherwise.
5806 * configure.lang: Delete.
5808 * Makefile.in: Expunge all traces of extra_c_objs,
5809 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
5810 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
5811 warning options via a three level scheme so that -pedantic and
5812 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
5813 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
5814 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
5815 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
5816 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
5817 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
5818 generation rules. Wrap all rules that change the current
5819 directory in parentheses; pmake doesn't spawn a new shell for
5820 each command. Expunge all references to $(P). When one
5821 command depends on another and they're run all at once, use &&
5822 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
5823 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
5826 * objc/Make-lang.in: Wrap all rules that change the current
5827 directory in parentheses. Expunge all references to $(P).
5828 When one command depends on another and they're run all at
5829 once, use && to separate them, not ;. Add OUTPUT_OPTION to
5830 all object-file generation rules. Delete obsolete variables.
5831 * objc/Makefile.in: Delete.
5833 2000-10-27 Jakub Jelinek <jakub@redhat.com>
5835 * calls.c (expand_call): If sibcall_failure is set during pass 1,
5836 clear tail_call_insns as well.
5838 2000-10-27 Nick Clifton <nickc@redhat.com>
5840 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
5843 2000-10-26 Richard Henderson <rth@redhat.com>
5845 * calls.c (expand_call): Supress sibcall if we have a
5846 BLKmode return in registers.
5848 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
5850 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
5853 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
5855 * tree.c (make_node, case 't'): Set alignment to that of
5857 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
5859 2000-10-25 Mark Mitchell <mark@codesourcery.com>
5861 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
5862 * configure.in (enable-libstdcxx-v3): Arrange to have
5863 HAVE_LIBSTDCXX_V3 substituted into the output files.
5865 2000-10-25 Richard Henderson <rth@redhat.com>
5867 * recog.c (constrain_operands): Initialize which_alternative
5868 before no alternatives early exit.
5870 * cse.c (find_comparison_args): Check that we can reverse a
5871 comparison if needed before accepting the substitution.
5873 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
5875 * simplify-rtx.c (simplify_relational_operation): Sign extend
5876 low words before sign extending to high words.
5878 2000-10-25 Nick Clifton <nickc@redhat.com>
5880 * config/mcore/mcore.c: Include config.h before system.h.
5882 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
5884 * config/mcore/mcore.md (return): Force function epilogue to
5885 always be generated to work around epilogue suppression bug in
5888 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
5890 * c-decl.c (grokdeclarator): Move warning for qualified void
5891 return types with -pedantic to when the function type is
5892 constructed. At -W, warn in general for qualified function return
5893 types, except for volatile void.
5894 * invoke.texi: Document this new warning at -W.
5896 2000-10-25 Neil Booth <neilb@earthling.net>
5898 * cpp.texi: Update with implementation-defined behavior and
5901 2000-10-25 Jakub Jelinek <jakub@redhat.com>
5903 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
5904 incomplete type force it into alias set 0.
5906 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
5908 * alias.c: Include basic-block.h.
5909 (loop_p): New function.
5910 (mark_constant_function): Use it.
5911 * Makefile.in (alias.o): Update dependencies.
5913 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5915 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
5918 2000-10-24 Jim Wilson <wilson@cygnus.com>
5920 * expmed.c (store_bit_field): Move integer pun code down after
5921 code that calls emit_move_insn for entire register move.
5922 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
5923 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
5925 2000-10-24 Richard Henderson <rth@cygnus.com>
5927 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
5928 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
5930 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
5932 * gcse.c (cprop_insn): do not propagate constants into jump_insn
5933 for machines with CC0 more than once.
5935 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
5937 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
5938 pseudos just like memory.
5940 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
5942 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
5943 when deleting libcall sequence collapsed to a single instruction.
5945 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
5947 * expr.c (do_store_flag): Don't crash if either side of a
5948 comparison is error_mark_node.
5950 2000-10-24 Jakub Jelinek <jakub@redhat.com>
5952 * sibcall.c (purge_mem_unchanging_flag): New function.
5953 (optimize_sibling_and_tail_recursive_calls): Call it.
5955 2000-10-24 Philipp Thomas <pthomas@suse.de>
5957 * Makefile.in (check-po): New target for doing checks in the po
5958 subdir if all languages configured.
5959 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
5960 configure if NLS is enabled.
5961 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
5962 otherwise leave empty.
5963 * configure: Regenerate.
5965 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
5967 * i386.c (print_operand): Handle new 'A' formatting code.
5968 387 opcodes need suffixes even with -mintel-syntax.
5969 Check for explicit size override (codes 'b', 'w' and 'k').
5970 (print_operand_address): Check if register prefix is needed when
5971 emitting `ds' segment override.
5972 * i386.h: Add comment about new 'A' formatting code.
5973 * i386.md (jump and call patterns): Emit absolute references using %A.
5975 2000-10-23 Richard Henderson <rth@cygnus.com>
5977 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
5978 output registers as fixed.
5979 (ia64_function_epilogue): Undo output fixation.
5981 2000-10-23 Richard Henderson <rth@cygnus.com>
5983 * config/alpha/alpha.md: Add names for all unnamed insns; use
5984 define_insn_and_split in some obvious places.
5986 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
5987 (zero_extendqisi2, zero_extendqidi2): Likewise.
5988 (zero_extendhisi2, zero_extendhidi2): Likewise.
5989 (abs splitters): Fix match_scratch operand number.
5990 (bcc_reverse): Swap pc & label instead of non-canonical compare.
5992 2000-10-23 Jim Wilson <wilson@cygnus.com>
5994 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
5996 * ia64.md (cmpsi_adjusted): Use %r3.
5997 (cmpdi_adjusted): Likewise.
5999 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6001 * config/i386/att.h (ASM_FILE_START): Define.
6003 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6005 * config/i386/linux.h (ASM_FILE_START): Define.
6007 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
6009 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
6010 since this (only) drags in a crt0.o reference that the .ld files
6013 2000-10-23 Geoff Keating <geoffk@cygnus.com>
6015 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
6016 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
6017 reloads just like an RELOAD_FOR_OUTPUT would.
6019 * local-alloc.c (update_equiv_regs): Add an abort(). When
6020 deleting or moving insns, update reg_equiv[regno].init_insns.
6022 2000-10-23 Mark Mitchell <mark@codesourcery.com>
6024 * c-tree.texi: Improve documentation for IF_STMTs and related
6025 conditional statements.
6027 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6029 * expr.c (do_preexpand_calls): Remove.
6030 (same_from_p): Don't use CALL_EXPR_RTL.
6031 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
6032 (preexpand_calls): Remove.
6033 * tree.c (first_rtl_op): Remove CALL_EXPR case.
6034 (unsave_expr_1): Likewise.
6035 * tree.def (CALL_EXPR): Give it only two slots.
6036 * tree.h (CALL_EXPR_RTL): Remove.
6038 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
6040 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
6041 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6044 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
6046 * calls.c (combine_pending_stack_adjustment_and_call): Don't
6047 adjust stack when unadjusted_alignment ends up as zero.
6049 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
6051 * fixinc/genfixes: Remove EGCS reference.
6052 * install.texi: Remove EGCS reference.
6053 * INSTALL: Regenerate.
6055 2000-10-22 Mark Mitchell <mark@codesourcery.com>
6057 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
6059 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
6061 * diagnostic.c: Remove EGCS reference in comment.
6063 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6065 * loop.c (strength_reduce): Fix error in last change.
6067 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6069 * Makefile.in (SHLIB_NM_FLAGS): New.
6070 (libgcc.mk): Pass it.
6071 * mklibgcc.in (libgcc.map): Use it.
6073 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
6074 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
6076 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6078 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
6080 * sparc.c (load_pic_register): Delete unused varaible.
6082 * libgcc2.c (__addvsi3): Delete unused variable.
6084 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
6085 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
6086 __negvdi2): Prototype.
6088 * ssa.c (apply_delayed_renames): Avoid undefined operation.
6090 * toplev.c (display_target_options): Make static to match
6091 prototype. Delete empty declaration.
6093 2000-10-20 Tom Tromey <tromey@cygnus.com>
6095 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6096 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
6098 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6100 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
6102 (expand_expr_unaligned, case ARRAY_REF): Check that index is
6103 a constant before comparing it; use tree_low_cst.
6104 * tree.c (save_expr): Set TREE_READONLY.
6105 (substitute_expr): Return inside of NON_LVALUE_EXPR.
6106 (build, build1): Set TREE_READONLY if all operands are.
6107 (build_index_type): If upper bound is a negative number, lower
6108 bound is zero and sizetype is unsigned, use upper bound of one and
6111 2000-10-20 David Edelsohn <edelsohn@gnu.org>
6113 * gcc.c (process_command, main): Use "because" instead of
6114 "since" in error messages.
6116 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6118 * stor-layout.c (compute_record_mode): Use tree_low_cst.
6119 Don't use mode of field for record unless sizes are the same.
6120 (layout_type, case ARRAY_TYPE): Remove special bounds handling
6121 previously added for Ada; also change to using host_integerp
6124 * loop.c (strength_reduce): Show when new register made for
6125 giv is known to be a pointer and its aligment if so and known.
6126 (loop_dump_aux): Show VERBOSE parameter unused.
6128 * gcse.c (set_hash_table_size): Now unsigned.
6129 * sdbout.c (template_name_p): Add "const" to avoid warnings.
6130 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
6131 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
6132 (sdbout_end_epilogue): Remove variable NAME.
6133 * system.h (getopt): Add default definition.
6134 * config/alpha/alpha.c (print_operand): Don't continue processing
6135 after issuing error.
6136 (summarize_insn): Avoid use of UL in constant.
6138 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
6140 * fold-const.c (force_fit_type): Unsigned values can overflow
6141 if they are sizetype.
6142 (int_const_binop): Don't use cache if overflows.
6144 2000-10-20 Richard Henderson <rth@cygnus.com>
6146 * function.c (locate_and_pad_parm): Zero alignment_pad.
6148 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
6149 perform substitutions, and apply_change_group to see if it worked.
6151 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6153 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
6155 * combine.c (struct undo): Change int to unsigned int.
6156 (do_SUBST_INT): Args are unsigned int.
6157 (make_extraction, force_to_mode): Use proper type when forming mask.
6158 (make_field_assignment): Likewise.
6160 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
6162 * c-common.c (check_format_info_recurse): Extract string constant
6163 initializers from non-volatile constant arrays and check them as
6165 * c-typeck.c (decl_constant_value): Don't check pedantic or check
6166 for DECL_MODE (decl) != BLKmode.
6167 (decl_constant_value_for_broken_optimization): New function which
6168 includes these checks.
6169 (default_conversion, convert_for_assignment, digest_init): Use
6170 decl_constant_value_for_broken_optimization instead of
6171 decl_constant_value.
6173 2000-10-20 Mark Mitchell <mark@codesourcery.com>
6175 * tree.h (DECL_ALIGN_UNIT): New macro.
6177 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
6179 * config/avr/avr-protos.h (avr_output_bld): New.
6180 (out_shift_with_cnt): Add t_len argument.
6181 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
6182 (output_movqi, output_movhi, output_movsisf): Optimize loading
6183 any constant with exactly one bit set to NO_LD_REGS.
6184 (out_shift_with_cnt): Optimize output code for size or speed,
6185 depending on optimize_size. Handle small shift counts as well
6186 (if not hand-optimized in ?sh??i3_out). Shifts can be done
6187 with or without a scratch register, with help of __tmp_reg__
6188 or __zero_reg__ if necessary. Add T_LEN argument to pass the
6189 length of TEMPLATE in words, return total insn length in *LEN.
6190 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
6191 out_shift_with_cnt to work with the above change.
6192 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
6193 lshrsi3_out): Likewise. Optimize more known shift count cases.
6194 Remove cases already well optimized in out_shift_with_cnt.
6195 (avr_output_bld): New function.
6196 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
6197 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
6198 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
6199 Add reload_completed to insn condition - only for peepholes.
6200 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
6201 in a register or memory.
6202 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
6203 Do not require a scratch register.
6204 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
6205 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
6206 Optimize shifts by known count using a scratch register, but only
6207 if one is still available after register allocation.
6209 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6211 * t-vax: New file. Don't build modules from libgcc1.c.
6213 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
6215 * alias.c: (mark_constant_function): Don't check pure functions.
6216 Initialize and end alias analysis.
6217 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
6218 Don't make a special exception for recursion. Handle
6219 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
6220 unless it's volatile.
6222 * local-alloc.c (equivalence): New structure.
6223 (reg_equiv): Define.
6224 (contains_replace_regs): Remove array and use
6226 (memref_referenced_p): Likewise.
6227 (no_equiv): Likewise.
6228 (update_equiv_regs): Likewise.
6230 (equiv_init_varies_p,
6231 equiv_init_movable_p): New functions.
6232 (update_equiv_regs): Use them. Use rtx_varies_p
6233 instead of function_invariant_p. Process insns
6234 from end to beginning. Allow a REG_EQUIV insn
6235 within the same loop as a use to be moved, also
6236 allow it to be moved out of a loop. Update
6237 REG_DEAD notes when substituting into an insn.
6239 2000-10-19 Jim Wilson <wilson@cygnus.com>
6241 * c-decl.c (start_decl): Check for error_mark_node type before using
6243 (finish_decl): Likewise. Don't give an error if decl type is
6244 already error_mark_node.
6246 * haifa-sched.c (compute_trg_info): Add explanatory comments.
6247 New local update_blocks. Use update_blocks to remove duplicates
6248 when computing update blocks. Check for bblst_table overflow.
6249 (schedule_block): Add explanatory comment. Reduce bblst_size by
6251 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
6254 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6256 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
6258 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6260 * expmed.c: Minor corrections in comments.
6261 * invoke.texi: Added desciption for the new option -ftrapv.
6263 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
6265 * libgcc2.c: Added the missing #endif.
6267 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6269 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
6271 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
6273 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
6274 Use smulv_optab for -ftrapv.
6275 (expand_mult_highpart): Use unsigned multiply.
6276 (expand_divmod): Special-case division by -1.
6277 For EXACT_DIV_EXPR, do right shift first, then the multiply.
6278 For complex divide, use abs with unsigned result.
6279 * expr.c (force_operand): Use unsigned multiply.
6280 (expand_expr): Use overflow-trapping optabs for signed types if
6282 If flag_trapv, don't generate a recursive call with EXPAND_SUM
6283 if the type is signed and the original call wasn't EXPAND_SUM or
6285 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
6286 (negv_optab, absv_optab): Declare.
6287 * flags.h (flag_trapv): Declare.
6288 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
6289 smulv_optab, sdivv_optab, negv_optab and absv_optab.
6290 (gen_insn): Interpret '$P' as requiring an integer mode,
6291 including partial integer modes.
6292 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
6293 (product_cheap_p): Use unsigned expand_mult.
6294 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
6295 (negv_optab, absv_optab): Define.
6296 (expand_binop): Use overflow-trapping optabs for signed types if
6298 Handle negv_optab libe neg_optab.
6299 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
6300 Use overflow-trapping optabs for signed result if flag_trapv.
6301 (expand_complex_abs): Use overflow-trapping optabs for signed types if
6303 Don't open-code complex absolute-value operation for flag_trapv.
6304 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
6305 sdivv_optab, negv_optab and absv_optab.
6306 * toplev.c (flag_trapv): Define.
6307 (lang_independent_options f_options): Include flag_trapv.
6308 * tree.h (TYPE_TRAP_SIGNED): Define.
6309 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
6310 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
6312 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
6313 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
6315 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
6316 David V. Henkel-Wallace <gumby@cygnus.com>
6318 * config/i386/t-netware: Bring in from the Red Hat tree.
6319 * config/i386/netware.h: Likewise.
6320 * config/netware.h: Likewise.
6321 * config/rs6000/netware.h: Delete.
6322 * configure.in: Add i[34567]86-*-netware.
6323 * configure: Hand-edit to match configure.in change.
6325 2000-10-18 Mark Mitchell <mark@codesourcery.com>
6327 * c-common.h (flag_no_builtin): Declare.
6328 (flag_no_nonansi_builtin): Likewise.
6329 (c_common_nodes_and_builtins): Change prototype.
6330 * c-common.c (flag_no_builtin): New variable.
6331 (flag_no_nonansi_builtin): Likewise.
6332 (c_common_nodes_and_builtins): Remove parameters. Adjust
6334 * c-decl.c (flag_no_builtin): Remove.
6335 (flag_no_nonansi_builtin): Likewise.
6336 (init_decl_processing): Adjust call to
6337 c_common_nodes_and_builtins.
6339 2000-10-18 Marc Espie <espie@openbsd.org>
6341 * tm.texi (LIBGCC_SPEC): Synch with reality.
6343 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6345 * c-common.c (check_format_types): Check for writing through a
6346 NULL pointer argument.
6348 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
6350 * tm.texi (Exception Region Output): Document
6351 DWARF_CIE_DATA_ALIGNMENT.
6352 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
6354 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
6355 DWARF_CIE_DATA_ALIGNMENT.
6357 2000-10-18 Michael Hayes <mhayes@cygnus.com>
6359 * basic-block.h (struct loop): Delete fields pre_header_root
6360 and pre_header_trace and replace with pre_header_edges
6361 and num_pre_header_edges.
6362 * flow.c (flow_loop_dump): Dump pre_header_edges.
6363 (flow_loops_free): Free pre_header_edges.
6364 (flow_loop_pre_header_scan): Calculate pre_header_edges.
6366 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6368 * contrib.texi: Update references to steering committee members
6369 and Jeff Law's entry.
6371 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6373 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
6374 (maybe_read_dollar_number, check_format_info_main): Use them for
6375 pedantic warning messages.
6377 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
6379 * c-common.c (check_format_info_main): Minor cleanup: move
6380 variables into inner scopes; initialize declarations where
6381 appropriate; don't hardcode "scanf" name on warning for zero
6384 2000-10-17 Mark Mitchell <mark@codesourcery.com>
6386 * c-common.c (back_end_hook): New variable.
6387 * c-common.h (back_end_hook): Declare it.
6388 * c-lang.c (finish_file): Use it.
6390 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
6393 2000-10-18 Jan Hubicka <jh@suse.cz>
6395 * i386.c (ix86_comparison_operator, put_condition_code,
6396 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
6397 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
6398 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
6399 * i386.md (adddi and negdi splitter): Use CCRCmode.
6400 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
6401 (subsi3_carry): add '*'
6402 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
6403 (cmp to add peep2): Use CCRCmode; swap operands.
6405 2000-10-18 Kazu Hirata <kazu@hxi.com>
6407 * h8300.c: Fix a comment typo.
6408 (round_frame_size): New.
6409 (compute_saved_regs): Likewise.
6412 (push_order): Remove.
6413 (pop_order): Likewise.
6414 (function_prologue): Rearrange code for readability.
6415 (function_epilogue): Likewise.
6417 * config/h8300/h8300.md: Remove an unnecessary sign_extend
6418 expander that is used when not optimizing. Output a tab after
6419 each assembly insns.
6421 * reorg.c: Fix formatting.
6423 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
6425 * reload1.c (move2add_note_store): Check for simple
6426 auto-inc in destination.
6428 2000-10-17 Michael Chastain <chastain@redhat.com>
6430 * config/i386/i386-aout.h: define INT_ASM_OP.
6432 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
6434 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
6436 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
6438 * i370.md: Fix spelling typo.
6440 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6442 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
6443 Fixes execute/20001017-1.c on powerpc-linux-gnu.
6445 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
6446 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
6449 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
6450 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
6452 * rs6000/aix.h: ...to here.
6453 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
6455 2000-10-17 Jakub Jelinek <jakub@redhat.com>
6457 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
6459 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
6460 sure linker can relax even the delay slot mov %g1,%o7, fix output
6463 2000-10-17 Kazu Hirata <kazu@hxi.com>
6465 * config/h8300/h8300.md: Remove an unnecessary zero_extend
6466 expander that is used when not optimizing. Output a tab after
6467 each assembly insns.
6469 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
6471 * gcc.c: New options --target-help.
6472 (process_command): Added code to parse this new option.
6473 * toplev.c (display_target_options): New function to support the
6475 * cppinit.c (new_pending_directive) : New option OPT_target__help.
6476 (cpp_handle_option): Support this new option.
6477 * invoke.texi: Added notes about --target-help option.
6479 2000-10-17 Graham Stott <grahams@redhat.com>
6481 * config/i386/i386.md (testqi_1): Add missing operand prefix
6483 * config/i386/i386-protos.h: Add missing prototype.
6485 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
6487 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
6488 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
6489 using -mintel-syntax.
6491 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6493 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
6494 (format_types): Use it for printf.
6495 (maybe_read_dollar_number): Add parameter for the kind of format
6496 involved. Warn for multiple use for arguments if this is
6497 inappropriate for the kind of format involved.
6498 (check_format_info_main): Update calls to maybe_read_dollar_number.
6500 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6502 * inclhack.def (hpux_maxint): Also apply fix to values.h.
6503 * fixincl.x: Rebuilt.
6505 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
6507 * genrecog.c (write_switch): Return the first condition that needs a
6510 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
6512 * c-tree.h (warn_sequence_point): Move declaration to...
6513 * c-common.h (warn_sequence_point): ... here.
6514 * c-decl.c (warn_sequence_point): Move definition to...
6515 * c-common.c (warn_sequence_point): ... here.
6516 (struct reverse_tree): New.
6517 (reverse_list, reverse_max_depth): New static variables.
6518 (build_reverse_tree, common_ancestor, modify_ok
6519 verify_sequence_points): New functions.
6520 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
6521 * c-typeck.c (check_modify_expr): Delete.
6522 (build_modify_expr): Don't call it.
6524 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
6526 * c-common.h (warn_missing_format_attribute): New variable.
6527 * c-decl.c (warn_missing_format_attribute): New variable.
6528 (c_decode_option): Decode -Wmissing-format-attribute and
6529 -Wno-missing-format-attribute.
6530 * c-common.c (check_function_format): If
6531 -Wmissing-format-attribute, give a warning where a vprintf or
6532 vscanf function is called by a function without its own printf or
6534 * toplev.c (documented_lang_options): Add
6535 -Wmissing-format-attribute.
6536 * invoke.texi: Document -Wmissing-format-attribute.
6538 2000-10-17 Marc Espie <espie@openbsd.org>
6540 * invoke.texi (-shared): Insist on requiring code generation flags
6541 to be used along with -shared, and document the subtle failure that
6542 may occur otherwise.
6544 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6546 * pa.md (return_internal): Move `use' after `return'.
6548 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6550 * machmode.def: Correct comment.
6552 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
6554 * print-rtl.c (print_rtx_head): Constify.
6555 * rtl.h (print_rtx_head): Similarly.
6557 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
6558 Constify char * return value.
6560 (output_64bit_and, output_64bit_ior): Constify char * return value.
6561 (pa_can_combine_p): Make static.
6562 (function_arg): Decorate unused `named' argument. Fix comment typo.
6563 (function_arg_partial_nregs): Decorate unused `named' argument.
6565 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
6567 * c-common.c (format_check_results): New structure.
6568 (finish_dollar_format_checking): Adjust to take a
6569 format_check_results * parameter.
6570 (check_format_info, check_format_info_recurse,
6571 check_format_info_main): Split check_format_info into three
6572 functions, the main checking going in check_format_info_main.
6573 Recurse when any reduction of the format string argument towards a
6574 string literal is done; go down both branches of a conditional
6575 expression. Don't warn for extra format arguments or empty format
6576 strings if they only occur in some branches of a conditional
6579 2000-10-16 Kazu Hirata <kazu@hxi.com>
6581 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
6583 2000-10-16 Jakub Jelinek <jakub@redhat.com>
6585 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
6587 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
6589 * i386.md (*movsi_or): Switch operand order for intel syntax.
6591 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
6595 * gcc.texi (Contributing): Update.
6597 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
6599 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
6600 appropriate assembler dialect.
6602 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
6604 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
6606 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
6608 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
6609 constants 1 and 2 to NO_LD_REGS.
6611 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6613 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
6615 * objc/Make-lang.in (objc-parse.c): Likewise.
6617 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6619 * arm.c: Include obstack.h
6620 (minipool_obstack, minipool_startobj): Define.
6621 (arm_add_gc_roots): Initialize them.
6622 (create_fix_barrier): Use our new obstack.
6623 (push_minipool_barrier, push_minipool_fix): Likewise.
6624 (arm_reorg): Release obstack memory.
6626 2000-10-13 Jakub Jelinek <jakub@redhat.com>
6628 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
6629 (prologue, exception_receiver, builtin_setjmp_receiver): New
6631 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
6632 * config/sparc/sparc-protos.h (finalize_pic): Remove.
6633 (load_pic_register): New prototype.
6634 * config/sparc/sparc.c (pic_setup_code): Remove.
6635 (finalize_pic): Rename to...
6636 (load_pic_register): ...this function.
6637 Don't look for nonlocal_goto_receivers and emit pic setup code
6638 directly. Don't check current_function_uses_pic_offset_table.
6640 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
6642 * tree.h (struct obstack): Declare.
6644 2000-10-12 Mark Mitchell <mark@codesourcery.com>
6647 * Makefile.in (ggc-callbacks.o): Remove target.
6648 (flow.o): Depend on GGC_H.
6649 * alias.c (init_alias_analysis):
6650 Remove ggc_p conditionals.
6651 (end_alias_analysis): Likewise.
6652 * basic-block.h (init_flow): New function.
6653 (allocate_reg_life_data): Declare.
6654 * bb-reorder.c (function_obstack): Replace with ...
6655 (flow_obstack): ... new variable.
6656 (fixup_reorder_chain): Use it.
6657 * c-decl.c (ggc_p): Remove.
6658 (caller-save.c): Don't call oballoc/obfree.
6660 undobuf): Remove storage.
6661 (try_combine): Don't call oballoc.
6662 (undo_all): Don't call obfree.
6663 * cse.c (insert): Use xmalloc, not
6665 (cse_main): Adjust accordingly.
6666 * dwarf2out.c (save_rtx): Remove
6668 (dwarf2out_init): Remove ggc_p conditionals.
6669 * emit-rtl.c (rtl_obstack): Remove.
6670 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
6671 (make_insn_raw): Likewise.
6672 (emit_insn_before): Likewise.
6673 (emit_insn_after): Likewise.
6674 (emit_insn): Likewise.
6675 (gen_sequence): Likewise.
6676 (copy_insn_1): Remove handling of `b' RTL components.
6677 (init_emit_once): Remove ggc_p conditionals.
6678 * except.c (create_rethrow_ref): Don't fool with obstacks.
6679 (add_partial_entry): Likewise.
6680 (call_get_eh_context): Likewise.
6681 (begin_protect_partials): Likewise.
6682 (protect_with_terminate): Likewise.
6684 (plus_constant_wide): Likewise.
6685 * expr.c (init_expr_once):
6687 (emit_block_move): Likewise.
6688 (clear_storage): Likewise.
6689 (expand_expr): Likewise.
6690 * flow.c (function_obstack): Remove.
6691 (flow_obstack): New variable.
6692 (flow_firstobj): Likewise.
6693 (create_base_block): Use the flow_obstack.
6694 (split_block): Likewise.
6695 (split_edge): Likewise.
6696 (calculate_global_regs_live): Likewise.
6697 (allocate_bb_life_data): Make it static. Likewiwse.
6698 (init_flow): New function.
6699 (size_int_type_wide): Remove ggc_p conditionals.
6701 (push_function_context_to): Don't call save_tree_status.
6702 (pop_function_context_from): Or restore_tree_status.
6703 (assign_stack_local_1): Don't call push_obstacks.
6704 (find_fixup_replacement): Use xmalloc.
6705 (fixup_var_refs_insns): Free the storage.
6706 (insns_for_mem_walk): Don't mess with obstacks.
6707 (instantiate_decls): Likewise.
6708 (trampoline_address): Likewise.
6709 (expand_function_end): Likewise.
6710 * function.h (sturct function):
6711 Remove obstack-related variables.
6712 (save_tree_status): Don't declare.
6713 (restore_tree_status): Likewise.
6714 * gcse.c (compute_can_copy):
6715 Don't call oballoc/obfree.
6716 * genattrtab.c (operate_exp): Remove
6718 (simplify_cond): Likewise.
6719 (simplify_test_exp): Don't mess with obstacks.
6720 (optimize_attrs): Likewise.
6721 * gengenrtl.c (gendef): Don't include
6723 * ggc-callbacks.c (ggc_p): Remove.
6724 * ggc-none.c (ggc_p): Remove.
6725 * ggc.h (ggc_p): Don't declare.
6726 * integrate.c (save_for_inline): Don't mess with obstacks.
6727 (integrate_decl_tree): Likewise.
6728 (output_inline_function): Likewise.
6730 (init_EXPR_INSN_LIST_cache): Likewise.
6731 * loop.c (temp_obstack):
6733 (rtl_obstack): Likewise.
6734 (init_loop): Don't mess with obstacks.
6735 (reg_address_cost): Free BIVs and GIVs.
6736 (check_insns_for_bivs): Use xmalloc, not oballoc.
6737 (find_mem_givs): Likewise.
6738 (record_biv): Likewise.
6739 (general_induction_var): Likewise.
6740 (product_cheap_p): Likewse.
6741 * optabs.c (init_one_libfunc): Remove
6743 * print-tree.c (debug_tree): Don't use
6745 (print_node): Likewise.
6746 * profile.c (output_func_start_profiler):
6747 Remove call to temporary_allocation.
6749 (eliminate_regs_in_insn): Don't mess with obstacks.
6751 (mark_target_live_regs): Use xmalloc.
6752 (free_resource_info): Free the memory.
6753 * rtl.c (rtl_obstack):
6755 (rtvec_alloc): Don't mess with obstacks.
6756 (rtx_alloc): Likewise.
6758 (copy_rtx): Don't handle `b' cases.
6759 (read_rtx): Use a local rtl_obstack.
6760 * rtl.h (oballoc): Remove.
6762 (pop_obstacks): Likewise.
6763 (push_obstacks): Likewise.
6764 (allocate_bb_life_data): Likewise.
6765 (allocate_reg_life_data): Likewise.
6766 (rtx_free): Likewise.
6767 * sdbout.c (sdbout_queue_anonymous_type):
6768 Use tree_cons, not saveable_tree_cons.
6770 (cselib_init): Don't mess with obstacks.
6772 (mark_block_nesting): Mark the label_chain.
6773 (epxand_label): Use ggc_alloc, not oballoc.
6774 (clear_last_expr): Don't mess with obstacks.
6775 (expand_decl_cleanup): Likewise.
6776 (expand_dcc_cleanup): Likewise.
6777 (expand_dhc_cleanup): Likewise.
6778 (expand_anon_union_decl): Likewise.
6779 (add_case_node): Use xmalloc, not oballoc.
6780 (free_case_nodes): New function.
6781 (expand_end_case): Call it.
6782 * stor-layout.c (layout_type): Don't
6784 (layout_type): Likewise.
6785 * toplev.c (wrapup_global_declarations):
6787 (compile_file): Remove ggc_p conditionals.
6788 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
6789 (decode_f_option): Remove ggc_p conditionals.
6791 (function_maybepermanent_obstack): Remove.
6792 (maybepermanent_obstack): Likewise.
6793 (function_obstack): Likewise.
6794 (tmeporary_obstack): Likewise.
6795 (momentary_obstack): Likewise.
6796 (temp_decl_obstack): Likewise.
6797 (saveable_obstack): Likewise.
6798 (rtl_obstack): Likewise.
6799 (current_obstack): Likewise.
6800 (expression_obstack): Likewise.
6801 (struct obstack_stack): Likewise.
6802 (obstack_stack): Likewise.
6803 (obstack_stack_obstack): Likewise.
6804 (maybepermanent_firstobj): Likewise.
6805 (temporary_firstobj): Likewise.
6806 (momentary_firstobj): Likewise.
6807 (temp_decl_firstobj): Likewise.
6808 (momentary_function_firstobj): Likewise.
6809 (all_types_permanent): Likewise.
6810 (struct momentary_level): Likewise.
6811 (momentary_stack): Likewise.
6812 (init_obstacks): Remove initialization of removed obstacks.
6813 (save_tree_status): Remove.
6814 (restore_tree_status): Likewise.
6815 (temporary_allocation): Liekwise.
6816 (end_temporary_allocation): Liekwise.
6817 (resume_temporary_allocation): Likewise.
6818 (saveable_allocation): Likewise.
6819 (push_obstacks): Likewise.
6820 (push_obstacks_nochange): Likewise.
6821 (pop_obstacks): Likewise.
6822 (allocation_temporary_p): Likewise.
6823 (permanent_allocation): Likewise.
6824 (preserve_data): Likewise.
6825 (preserve_initializer): Likewise.
6826 (rtl_in_current_obstack): Likewise.
6827 (rtl_in_saveable_obstack): Likewise.
6828 (oballoc): Likewise.
6830 (savealloc): Likewise.
6831 (expralloc): Likewise.
6832 (print_obstack_name): Likewise.
6833 (debug_obstack): Likewise.
6834 (object_permanent_p): Likewise.
6835 (push_momentary): Likewise.
6836 (perserve_momentary): Likewise.
6837 (clear_momentary): Likewise.
6838 (pop_momentary): Likewise.
6839 (pop_momentary_nofree): Likewise.
6840 (suspend_momentary): Likewise.
6841 (resume_momentary): Likewise.
6842 (make_node): Don't set TREE_PERMANENT.
6843 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
6844 Don't set TREE_PERMANENT.
6845 (get_identifier): Remove ggc_p conditionals.
6846 (build_string): Likewise.
6847 (make_tree_vec): Likewise.
6848 (build_decl_list): Remove.
6849 (build_expr_list): Likewise.
6850 (tree_cons): Remove ggc_p conditionals.
6851 (decl_tree_cons): Remove.
6852 (expr_tree_cons): Likewise.
6853 (perm_tree_cons): Likewise.
6854 (temp_tree_cons): Likewise.
6855 (saveable_tree_cons): Likewise.
6856 (build1): Remove ggc_p conditionals.
6857 (build_parse_node): Likewise.
6858 (build_type_attribute_variant): Don't mess with obstacks.
6859 (build_type_copy): Likewise.
6860 (type_hash_canon): Likewise.
6861 (build_pointer_type): Likewise.
6862 (build_reference_type): Likewise.
6863 (build_index_type): Likewise.
6864 (build_range_type): Likewise.
6865 (dump_tree_statistics): Don't print obstack information.
6867 (struct tree_common): Remove permanent_flag.
6868 (TREE_PERMANENT): Remove.
6869 (TREE_SET_PERMANENT): Likewise.
6870 (TYPE_OBSTACK): Likewise.
6871 (struct tree_type): Remove obstack.
6873 (savealloc): Likewise.
6874 (build_decl_list): Likewise.
6875 (build_expr_list): Likewise.
6876 (perm_tree_cons): Likewise.
6877 (temp_tree_cons): Likewise.
6878 (saveable_tree_cons): Likewise.
6879 (decl_tree_cons): Likewise.
6880 (expr_tree_cons): Likewise.
6881 (suspend_momentary): Likewise.
6882 (allocation_temporary_p): Likewise.
6883 (resume_momentary): Likewise.
6884 (push_obstacks_nochange): Likewise.
6885 (permanent_allocation): Likewise.
6886 (push_momentary): Likewise.
6887 (clear_momentary): Likewise.
6888 (pop_momentary): Likewise.
6889 (end_temporary_allocation): Likewise.
6890 (pop_obstacks): Likewise.
6891 (push_obstacks): Likewise.
6892 (pop_momentary_nofree): LIkewise.
6893 (preserve_momentary): Likewise.
6894 (saveable_allocation): Likewise.
6895 (temporary_allocation): Likewise.
6896 (resume_temporary_allocation): Likewise.
6897 (perserve_initializer): Likewise.
6898 (debug_obstack): Likewise.
6899 (rtl_in_current_obstack): Likewise.
6900 (rtl_in_saveable_obstack): Likewise.
6902 * varasm.c (current_obstack): Remove.
6903 (saveable_obstack): Remove.
6904 (rtl_obstack): Remove.
6905 (immed_double_const): Don't mess with obstacks.
6906 (immed_real_cons): Likewise.
6907 (output_constant_def): Likewise.
6908 (init_varasm_status): Use xcalloc.
6909 (mark_pool_constant): Mark the pool constant itself.
6910 (free_varasm_status): Free memory.
6911 (decode_rtx_const): Call bzero directly, rather than expanding it
6913 (record_rtx_const): Don't mess with obstacks.
6914 (force_const_mem): Likewise.
6915 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
6917 (aof_pic_entry): Likewise.
6918 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
6919 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
6920 * config/pa/pa.c (saveable_obstack): Remove.
6921 (rtl_obstack): Likewise.
6922 (current_obstack): Likewise.
6923 (output_call): Don't mess with obstacks.
6924 (hppa_encode_label): Remove ggc_p conditionals.
6925 * config/romp/romp.c (get_symref): Don't mess with obstacks.
6926 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
6927 (rs6000_encode_section_info): Likewise.
6928 * config/sh/sh.c (get_fpscr_rtx): Likewise.
6930 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
6932 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
6933 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
6934 (addsi3_carry): Canonicalize.
6935 (addqi_5): Remove '*'.
6936 (sbb pattern): Canonicalize.
6938 * i386.md (cmp to inc/add peep2): New.
6940 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
6942 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
6945 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6947 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
6948 * README.TRAD, TESTS.FLUNK: Remove.
6950 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6952 * c-common.c (decl_attributes): Don't allow strftime formats with
6953 first_arg_num nonzero.
6954 (check_format_info): Set wanted_type and wanted_type_name to zero
6955 before they are possibly assigned and used.
6957 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6959 * c-common.c (scanf_flag_specs): Add flags ' and I.
6960 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
6961 or the ^ and # flags together.
6962 (scan_char_table): Handle the ' and I flags.
6963 (format_types): Add ' and I flags for scanf.
6965 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
6967 * c-common.c (print_char_table): Use the unpromoted type for
6968 lengths "h" and "hh" with conversions dioxXu.
6969 (check_format_types): Apply the default argument promotions where
6970 the wanted type is not a pointer target.
6972 2000-10-11 Michael Meeks <mmeeks@gnu.org>
6973 Joseph S. Myers <jsm28@cam.ac.uk>
6975 * c-typeck.c (check_modify_expr): New function.
6976 (build_modify_expr): Call it if warn_sequence_point.
6977 * c-decl.c (warn_sequence_point): New variable.
6978 (c_decode_option): Handle -Wsequence-point and
6979 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
6980 * c-tree.h (warn_sequence_point): Declare.
6981 * invoke.texi (-Wsequence-point): Document.
6982 * toplev.c (documented_lang_options): Add -Wsequence-point and
6983 -Wno-sequence-point.
6984 Original work by Michael Meeks, 16 Jun 1998.
6986 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6988 * tree.c (get_narrower): Don't look at precision of field if
6991 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
6993 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
6994 declaration for data with "progmem" attribute.
6996 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
6998 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
6999 Correct insn length if shift count is a memory operand.
7000 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
7001 (*iorhi3_clobber): Change lo8 to hi8.
7002 (zero_extendhisi2): Change %B0 to %A1.
7003 (ashlhi3, ashrhi3): Correct insn length.
7004 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
7005 from "clobber" to "set_n" in some alternatives.
7007 2000-10-10 Jakub Jelinek <jakub@redhat.com>
7009 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
7010 remove its insn_chain structure as well.
7012 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7014 * dbxout.c (dbxout_source_line): Remove extra tab.
7016 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
7018 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
7020 2000-10-09 Richard Henderson <rth@cygnus.com>
7022 * Makefile.in (LANG_LIB2FUNCS): Remove.
7023 (LIB2FUNCS): Remove _pure.
7024 (LIB2ADD): Remove LANG_LIB2FUNCS.
7025 (stage_a): Don't set LANG_LIB2FUNCS.
7026 * libgcc2.c (__terminate): Mark noreturn.
7027 (__pure_virtual): Remove.
7028 * mklibgcc.in: Remove LIB2ADD .txt processing.
7030 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7032 * arm.md (push_multi): Revert unintended change.
7034 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7036 * arm.c: Miscellaneous white space and comment clean-ups. No
7040 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7042 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
7043 STRING_CST by calling combine_strings.
7045 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7047 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
7048 (thumb_output_move_mem_multiple): Support new insn format.
7049 * arm.md (movmem12b): Use SSA compatible format.
7050 (movmem8b): Likewise.
7052 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
7054 * arm.md (predicable): New attribute, default to "no".
7055 (all patterns): Mark as predicable if appropriate.
7056 (conditional execution splits): Split using predication format.
7057 (define_cond_exec): Define.
7058 * arm.c (arm_print_operand): handle insn predicate.
7060 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7062 * README.NS32K: Remove file.
7064 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7066 * README-bugs: Remove file.
7068 2000-10-08 Philipp Thomas <pthomas@suse.de>
7069 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
7071 * configure: Rebuilt.
7073 2000-10-08 Philipp Thomas <pthomas@suse.de>
7074 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
7075 disable catalog building if no suitable program was found.
7076 Move warning message from here
7077 (AM_GNU_GETTEXT): To here.
7078 * configure: Rebuilt.
7080 2000-10-08 Philipp Thomas <pthomas@suse.de>
7081 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
7082 different cache variables.
7083 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
7084 uses different cache variables.
7085 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
7086 * configure: Regenerated.
7088 2000-10-08 Richard Henderson <rth@cygnus.com>
7090 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
7091 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
7092 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
7095 * config/t-linux (SHLIB_EXT): New.
7096 (SHLIB_LINK): Use the entire build command, with substitutions.
7097 (SHLIB_LIBS): Remove.
7098 * config/alpha/t-osf4: Likewise.
7099 * config/mips/t-iris6: Likewise.
7100 * config/sparc/t-sol2: Likewise, but move shlib stuff...
7101 * config/sparc/t-slibgcc-sld: ...here.
7102 * config/sparc/t-slibgcc: New file.
7104 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7106 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
7107 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
7109 (intmax_type_node, uintmax_type_node): Define.
7110 * c-common.c (decl_attributes): If pedantic, warn if `mode'
7111 attributes create a type wider than intmax_t.
7112 (T_IM, T_UIM): Define properly.
7113 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
7115 (init_decl_processing): Initialize intmax_type_node and
7117 * c-lex.c (lex_number): When pedantic and warning for integer
7118 constants that are too large, in C99 mode warn for those that have
7119 a type wider than long long.
7121 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
7123 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
7124 FMT_FLAG_FANCY_PERCENT_OK): Define.
7125 (format_char_info): Add flag "4" to comment.
7126 (format_flag_spec, format_flag_pair): New structures.
7127 (format_kind_info): Add additional fields to control format
7129 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
7130 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
7132 (time_char_table): Use "4" flag to handle %Ey.
7133 (format_types): Add entries for new fields.
7134 (get_flag_spec): New function.
7135 (check_format_info): Increase size of flag_chars[] to 256.
7136 Control format checking using the new fields of a format_kind_info
7137 and the new tables; remove all conditionals on printf_format_type,
7138 scanf_format_type or strftime_format_type. Handle all details of
7139 bad combinations of flags (including width, precision and strftime
7140 modifiers) through data rather than ad hoc code. Handle all
7141 details of standard versions in which flags appeared through
7142 data. Use the "4" flag.
7144 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
7146 * config/h8300/h8300.md: Remove the memory alternative and correct
7147 the insn lengths in the templates for sign extention and zero
7150 2000-10-07 Richard Henderson <rth@cygnus.com>
7152 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
7153 * flow.c (make_edges): Revert last change.
7155 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
7157 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
7159 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
7161 * config/alpha/elf.h: Standardize the formatting.
7163 2000-10-06 David O'Brien <obrien@FreeBSD.org>
7165 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
7168 2000-10-06 Richard Henderson <rth@cygnus.com>
7170 * function.c (diddle_return_value): Examine
7171 current_function_return_rtx instead of the DECL_RESULT.
7172 (expand_function_end): Handle reloading DECL_RESULT from memory
7173 into a hard register. Query promote_mode for sign of mismatched
7176 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7178 * haifa-sched.c (schedule_insns): Fix typo in freeing
7179 forward_dependency_cache.
7181 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7183 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
7184 `TARGET_SH2' as a condition.
7186 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
7188 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
7189 forward_dependency_cache): New variables.
7190 (add_dependence, remove_dependence): Use anti_dependency_cache and
7191 output_dependency_cache.
7192 (compute_block_forward_dependences): Use forward_dependency_cache.
7193 (schedule_insns): Allocate and free memory for anti/output/forward
7194 dependencies caches.
7196 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
7198 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
7199 `! TARGET_SH1'. Reindent.
7201 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7203 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
7204 Move functions from here ...
7206 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
7208 (c_expand_builtin): New function.
7209 (init_function_format_info): Don't set `check_function_format_ptr'.
7210 (c_common_nodes_and_builtins): Set built_in_class type for
7211 printf/__builtin_printf to BUILT_IN_FRONTEND.
7212 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
7214 * c-common.h (build_function_call): Declare.
7216 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
7217 to `lang_expand_expr' rather than `expand_builtin'.
7219 * tree.c (check_function_format_ptr): Delete.
7221 * tree.h (check_function_format_ptr): Likewise.
7223 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
7225 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
7226 DW_OP_bregx when cfa->reg > 31.
7228 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
7231 2000-10-05 Richard Henderson <rth@cygnus.com>
7233 * c-decl.c (warn_missing_noreturn): Remove.
7234 (c_expand_body): Don't set or check can_reach_end.
7235 * c-tree.h (warn_missing_noreturn): Move ...
7236 * flags.h: ... here.
7237 (can_reach_end): Remove.
7238 * flow.c (check_function_return_warnings): New.
7239 (make_edges): No edge to exit for noreturn sibcalls.
7240 * function.c (expand_function_end): Save the return value
7241 clobber instruction.
7242 (mark_function_status): Mark it.
7243 * function.h (struct function): Add x_clobber_return_insn.
7244 * jump.c (can_reach_end): Remove.
7245 (calculate_can_reach_end): Remove.
7246 (jump_optimize_1): Don't call it.
7247 * output.h (check_function_return_warnings): Declare.
7248 * toplev.c (warn_missing_noreturn): Move from c-decl.c
7249 (rest_of_compilation): Call check_function_return_warnings.
7251 2000-10-05 Richard Henderson <rth@cygnus.com>
7253 * Makefile.in (NM_FOR_TARGET): New.
7254 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
7255 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
7256 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
7257 shared library build on that and EXTRA_MULTILIB_PARTS.
7258 * mkmap-flat.awk: New file.
7259 * mkmap-symver.awk: New file.
7260 * libgcc-std.ver: New file.
7261 * config/libgcc-glibc.ver: New file.
7262 * config/ia64/libgcc-ia64.ver: New file.
7263 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7264 (SHLIB_LINK): Add --version-script.
7265 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
7266 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7267 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
7268 (SHLIB_LINK): Add -M.
7270 2000-10-05 Richard Henderson <rth@cygnus.com>
7272 * Makefile.in (LIB2FUNCS): Add _clz.
7273 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
7274 (__clz_tab): Put in its own unit, non-static.
7275 * libgcc2.h: Always include longlong.h.
7277 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
7278 a zero instead of -1.
7279 (count_trailing_zeros): Likewise.
7281 2000-10-05 Richard Henderson <rth@cygnus.com>
7283 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
7284 when second op1 is const0_rtx. Validate op0 as a register.
7285 * config/alpha/alpha.md (setcc_internal): Don't allow constants
7286 in the first argument of the compare.
7287 (setcc_swapped_internal): Likewise.
7288 (setne_internal): Likewise.
7290 2000-10-05 Geoff Keating <geoffk@cygnus.com>
7292 * tree.c (tree_size): New function split out of copy_node.
7293 (make_node): Remove obstack handling. Use tree_size.
7294 (copy_node): Use tree_size.
7295 * tree.h: Prototype tree_size.
7297 2000-10-05 Richard Henderson <rth@cygnus.com>
7299 * diagnostic.c (output_format): Add missing break.
7301 2000-10-05 Jim Wilson <wilson@cygnus.com>
7303 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
7304 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
7305 sequence insn to INSN, and delete last sequence insn.
7307 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
7309 * gcc.c (main): Include generated configargs.h header
7310 and use arguments in '-v' output.
7312 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7314 * gcc.c: Move data on prefixes forward in file and reorganize.
7315 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
7316 Always define, but make null if no value.
7317 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
7318 and "md_startfile_prefix_1".
7319 (main): Check whether md_exec_prefix and the others are the
7320 null string rather than whether the macro is defined.
7322 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7324 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
7325 from PSImode to SImode.
7327 2000-10-05 Jakub Jelinek <jakub@redhat.com>
7329 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
7330 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
7331 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
7334 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7336 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
7337 negation in proper type.a
7339 2000-10-04 Richard Henderson <rth@cygnus.com>
7341 * configure.in (enable-shared): New.
7342 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
7343 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
7344 * mklibgcc.in: Use them to link shared a libgcc.
7345 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
7346 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
7347 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
7348 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
7350 * configure.in (alpha-osf*): Use t-osf and x-osf.
7351 * config/alpha/t-osf: New file.
7352 * config/alpha/t-osf4: New file.
7353 * config/alpha/x-osf: New file.
7354 * config/alpha/x-alpha: Remove file.
7356 2000-10-04 Will Cohen <wcohen@redhat.com>
7358 * c-typeck.c (process_init_element): Added warning for zero-length
7361 * extend.texi (Zero Length): State that static initializers for
7362 zero-length arrays are not allowed.
7364 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
7366 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
7369 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7371 * config/float-c4x.h: New.
7372 * configure.in (c4x-*): Set float_format to c4x.
7373 * configure: Regenerate.
7375 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7377 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
7378 compilation for solaris versions 2.7 and greater.
7380 2000-10-02 Marc Espie <espie@openbsd.org>
7382 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
7383 instead of redefining from scratch.
7385 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
7387 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
7389 2000-10-01 Mark Mitchell <mark@codesourcery.com>
7391 * config/ns32k/genix.h: Remove.
7392 * config/ns32k/x-genix: Likewise.
7393 * config/ns32k/xm-genix.h: Likewise.
7394 * config/fx80: Remove all filee in directory.
7395 * config/pyr: Likewise.
7396 * config/tahoe: Likewise.
7397 * config/gmicro: Likewise.
7398 * config/spur: Likewise.
7399 * configure.in: Remove configury bits for above targets.
7400 * configure: Regenerated.
7402 * configure.in: Don't configure chill by default.
7403 * configure: Regenerated.
7405 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
7406 (lang_mark_false_label_stack): Remove.
7407 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
7408 <top level> string in GC area.
7409 (mark_splay_tree_node): New function.
7410 (mark_splay_tree): Likewise.
7411 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
7413 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
7414 * ggc-common.c (lang_mark_false_label_stack): Change type.
7415 * ggc.h (ggc_alloc_string): Add comment.
7416 (ggc_strdup): New function.
7418 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
7420 * config/avr/avr.h (BRANCH_COST): Define as 0.
7422 * config/pdp11/pdp11.c: #include "tree.h" added.
7424 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
7426 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
7427 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
7428 with known shift count.
7429 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
7430 New alternative for shift count 2 with no scratch register.
7431 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
7432 "set_n" for shift counts 1 and 2.
7434 2000-09-30 Geoff Keating <geoffk@cygnus.com>
7436 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
7437 the mask value from the individual SET operations.
7438 (return_internal_si): Move the USE after the RETURN.
7439 (return_internal_di): Likewise.
7440 (return_and_restore_fpregs_si): Likewise.
7441 (return_and_restore_fpregs_di): Likewise.
7442 (return_eh_si): Likewise.
7443 (return_eh_di): Likewise.
7444 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
7446 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
7447 Don't generate a PARALLEL around a single operation movsi_to_cr.
7448 Generate the RETURN first in any PARALLELs.
7450 * rtlanal.c (single_set_1): Use fatal_insn to display the
7451 invalid insn. Check for more cases when a USE or CLOBBER occurs
7453 * Makefile.in: Update dependencies for rtlanal.o.
7455 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7457 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
7459 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
7461 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
7462 Consistently use @email for formatting email addresses.
7464 2000-09-29 Richard Henderson <rth@cygnus.com>
7466 * cse.c (notreg_cost): New argument outer.
7467 (COST): Pass in SET to notreg_cost
7469 (fold_rtx): Use COST_IN. Prefer constants when costs
7472 2000-09-29 David Edelsohn <edelsohn@gnu.org>
7474 * fixinc/inclhack.def (broken_cabs): Generalize regex.
7475 * fixinc/fixincl.x: Regenerate.
7477 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7479 * loop.c (check_final_value): A GIV is not replaceable if used
7482 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
7484 * version.c: Bump to gcc-2.97.
7486 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
7488 * final.c (final_scan_insn): Remove extra extract_insn call;
7489 Use caching for constrain_operands.
7490 (cleanup_subreg_operands): Use caching for extract_insn.
7491 * recog.c (constrain_operands_cached): New.
7492 * recog.h (constrain_operands_cached): Declare.
7493 * i386.c (ix86_attr_length_immediate_default,
7494 ix86_attr_length_address_default, ix86_agi_dependant): Cache
7497 * recog.c (asm_noperands): Tweak.
7498 (extract_insn): Do not call asm_noperads for non-asm instructions.
7500 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
7502 * recog.c (recog_memoized): Rename to recog_memoized_1.
7503 * recog.h (recog_memoized): Rename to recog_memoized_1.
7504 (recog_memoized): New macro.
7505 * rtl.h (single_set): Rename to single_set_1
7506 (single_set): New macro.
7507 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
7510 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
7511 Do not use match_dup of input operands at outputs.
7512 Use register_operand for memory expression.
7513 (rep_movsi): Put use last, canonicalize.
7514 Use register_operand for memory expression.
7515 (rep_movqi): Put use last.
7516 Use register_operand for memory expression.
7517 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
7518 of input operands at outputs. Use register_operand for memory
7520 (rep_stossi): Put use last; canonicalize; fix match_dup in
7521 the address expression
7522 (rep_stosqi): Likewise.
7523 (memcmp expander): Update calls.
7524 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
7527 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
7529 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
7531 2000-09-28 David O'Brien <obrien@FreeBSD.org>
7533 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
7534 Contains the old contents of config/i386/freebsd.h
7535 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
7536 Contains the old contents of config/i386/freebsd-elf.h
7537 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
7538 config/i386/freebsd.h.
7539 * configure.in: Adjust for above changes.
7540 * po/POTFILES.in: Likewise.
7541 * po/en_GB.po: Likewise.
7542 * po/gcc.pot: Likewise.
7543 * configure: Rebuilt.
7545 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7547 * doloop.c (doloop_modify): Prevent delete_insn() from
7548 deleting too much. Prefer loop->top over loop->start as
7549 target for the new JUMP insn.
7550 (doloop_valid_p): Ignore loop with exit_count != 0.
7552 2000-09-28 Philipp Thomas <pthomas@suse.de>
7554 * invoke.texi (i386 Options): Add athlon to table of possible
7557 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
7559 * diagnostic.h (output_clear_message_text): New function.
7560 (output_message_text): New macro.
7562 * diagnostic.c (clear_text_info): Rename to
7563 output_clear_message_text.
7564 (output_clear): Adjust.
7565 (output_finish): Rename to output_finalize_message. Tweek.
7566 (output_to_stream): Adjust.
7568 2000-09-28 Neil Booth <neilb@earthling.net>
7570 * cpperror.c (_cpp_begin_message): Do the test for suppression
7571 of warnings and pedantic warnings before the "is a warning an
7573 * cppinit.c (cpp_handle_option): Remove surplus \n.
7574 * cpplex.c (ON_REST_ARG): Delete.
7575 (skip_block_comment): Initialise prevc.
7576 (parse_args): Improve error messages.
7577 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
7579 * cpplib.c (cpp_push_buffer): Fix grammar in message.
7580 * cppmain.c (main): Set callbacks for #ident and #pragma
7581 only if no_output option is false.
7582 (do_pragma_implementation): Only call the #pragma handler
7583 if it is set in the cpp_reader structure.
7585 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
7587 * integrate.c (copy_insn_list): if an ignored return value
7588 is being clobbered, skip cloning that into the inline copy.
7590 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
7592 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
7593 use @uref for formatting URLs.
7595 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
7597 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
7600 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
7602 * gcc.c (cpp_options): Add spec for -ftabstop=.
7603 (invoke_as): New spec that handles invoking as.
7604 Update specs to handle -save-temps and -traditional.
7605 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
7607 * cp/lang-specs.h, objc/lang-specs.h: Update to use
7608 invoke_as, and handle -save-temps and -traditional (if
7611 2000-09-26 Jakub Jelinek <jakub@redhat.com>
7613 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
7615 (function_arg_slotno): Accept TImode/CTImode.
7616 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
7619 2000-09-26 Michael Hayes <mhayes@cygnus.com>
7621 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
7624 2000-09-25 Jim Wilson <wilson@cygnus.com>
7626 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
7627 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
7628 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
7629 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
7631 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
7633 * cpplex.c (parse_args): Don't set VOID_REST flag.
7634 (CONTEXT_VARARGS): New flag.
7635 (maybe_paste_with_next): Set context earlier in loop. Use
7636 it. Do varargs test with CONTEXT_VARARGS flag.
7637 (push_arg_context): Set CONTEXT_VARARGS flag if we're
7638 pushing an argument context for a varargs argument.
7639 * cpplib.h (VOID_REST): Delete.
7640 * gcc.dg/cpp/vararg1.c: Add test case.
7642 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
7644 * flags.h: Declare warning flag warn_system_headers.
7645 * toplev.c: Define it.
7646 (W_options): Add option -Wsystem-headers.
7647 * diagnostic.c (count_error): Test warn_system_headers.
7648 * invoke.texi: Add description for -Wsystem-headers.
7649 * cpplib.h (cpp_options): New member warn_system_headers.
7650 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
7651 CPP_IN_SYSTEM_HEADER.
7652 * cpplib.c (do_import, do_pragma_once): Likewise.
7653 * cpperror.c (_cpp_begin_message): Test warn_system_headers
7654 and CPP_IN_SYSTEM_HEADER.
7655 * cppinit.c (handle_option): Recognize -Wsystem_headers.
7656 (print_help): Describe -Wsystem_headers.
7657 * cpplex.c (lex_line): Reorganize condition so that warnings
7658 about C++ comments in system headers can be enabled. Remove
7659 label do_line_comment.
7661 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
7663 * cpplex.c (save_comment): Only store the initial '/'
7665 (lex_token): Combine handling of the two comment types.
7666 Pass everything but the initial '/' to save_comment.
7668 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
7670 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
7671 _cpp_can_paste): New library-internal prototypes.
7672 * cpplex.c (dump_param_spelling, output_line_command,
7673 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
7674 cpp_printf, cpp_output_list): Move to cppoutput.c.
7675 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
7676 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
7678 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
7679 dump_param_spelling, output_line_command, cpp_scan_buffer,
7680 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
7682 * Makefile.in: Add cppoutput.c.
7683 * po/POTFILES.in: Add cppoutput.c.
7685 2000-09-25 Richard Henderson <rth@cygnus.com>
7687 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
7688 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
7689 split until after reload.
7690 (rotlsi3, rotldi3): New.
7692 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
7694 * diagnostic.c (output_last_position): Define.
7695 (set_real_maximum_length): Tweek.
7696 * diagnostic.h (output_last_position): Declare.
7698 2000-09-25 Kazu Hirata <kazu@hxi.com>
7700 * config/i386/i386.c: Fix formatting.
7702 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
7704 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
7705 UNITS_PER_WORD is small.
7707 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
7709 * c-common.c (format_char_info): Add flags2; update comments.
7710 (print_char_table, scan_char_table, time_char_table): Split some
7711 flags out into flags2.
7712 (check_format_info): Use flags2 for those flags, for identifying
7713 the initial character of a scanf scanset, and for identifying
7714 printf formats where the '0' flag is ignored with precision.
7716 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
7718 Changes below marked "here" add TABs on either or both sides,
7719 covering start of line, up to any operand for all noted .*ASM.*_OP
7720 definitions. All callers changed.
7721 * tm.texi: Make documented *_ASM.*_OP:s include spacing
7722 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
7723 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7724 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7725 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
7726 Fix typos in description for LONG_LONG_TYPE_SIZE and
7727 FINI_SECTION_ASM_OP.
7728 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
7729 why these defaults don't have leading spacing.
7730 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
7731 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7732 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
7733 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
7734 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
7735 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
7736 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
7737 * varasm.c (ASM_STABS_OP): Here.
7738 * xcoffout.h (ASM_STABS_OP): Here.
7739 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7740 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7741 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
7742 STRING_ASM_OP): Here.
7743 * config/freebsd.h (IDENT_ASM_OP): Here.
7744 * config/linux-aout.h (SET_ASM_OP): Here.
7745 * config/linux.h (SET_ASM_OP): Here.
7746 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7748 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7749 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
7750 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
7751 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7753 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
7754 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
7755 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
7756 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7757 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
7758 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7759 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
7760 * config/a29k/udi.h (INT_ASM_OP): Here.
7761 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
7762 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7764 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
7765 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7766 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7767 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
7768 ASM_STABD_OP): Here.
7769 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
7770 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
7771 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7772 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
7773 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
7774 SIZE_ASM_OP, STRING_ASM_OP): Here.
7775 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
7776 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
7777 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
7778 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
7779 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
7780 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
7782 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7783 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
7784 * config/arm/coff.h (INT_ASM_OP): Here.
7785 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7786 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
7787 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
7788 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
7789 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
7790 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7791 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
7792 STRING_ASM_OP): Here. Update documentation copy in comments.
7793 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
7794 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
7795 DATA_SECTION_ASM_OP): Here.
7796 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
7798 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
7799 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7800 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7801 BSS_SECTION_ASM_OP): Here.
7802 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7803 BSS_SECTION_ASM_OP): Here.
7804 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7806 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
7807 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
7808 * config/h8300/h8300.h (ASM_WORD_OP): Here.
7809 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7810 BSS_SECTION_ASM_OP): Here.
7811 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
7812 * config/i386/bsd.h (ASM_BYTE_OP): Here.
7813 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
7814 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
7815 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
7817 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
7818 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
7820 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
7821 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7822 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
7823 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
7825 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
7826 * config/i386/netbsd.h (INT_ASM_OP): Here.
7827 * config/i386/openbsd.h (INT_ASM_OP): Here.
7828 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
7829 IDENT_ASM_OP): Here.
7830 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
7831 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
7832 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
7833 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
7834 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
7835 SHARED_BSS_SECTION_ASM_OP): Here.
7836 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
7837 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7838 DATA_SECTION_ASM_OP): Here.
7839 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7840 CONST_SECTION_ASM_OP): Here.
7841 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
7842 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7843 BSS_SECTION_ASM_OP): Here.
7844 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
7845 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
7846 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
7847 BSS_ASM_OP): Here, but use trailing spaces.
7848 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7849 DATA_SECTION_ASM_OP): Here.
7850 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
7852 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
7853 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
7854 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7855 TDESC_SECTION_ASM_OP): Here.
7856 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
7857 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7858 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7860 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7861 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
7862 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7863 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7864 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
7865 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
7866 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7867 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
7868 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
7869 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
7870 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7871 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7873 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7874 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7875 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
7876 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
7877 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
7878 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
7879 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
7880 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7881 GLOBAL_ASM_OP): Here.
7882 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
7883 BSS_SECTION_ASM_OP): Here.
7884 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
7885 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7886 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
7887 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
7889 * config/m68k/newsgas.h (SET_ASM_OP): Here.
7890 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
7891 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7892 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
7893 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
7894 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
7895 but use trailing spaces.
7896 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
7897 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
7898 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
7900 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
7901 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7902 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7903 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
7904 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7905 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
7906 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
7907 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
7908 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
7909 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
7910 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7911 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
7913 * config/m88k/openbsd.h (SET_ASM_OP): Here.
7914 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7915 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
7916 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
7917 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
7918 DTORS_SECTION_ASM_OP): Here.
7919 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
7920 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7921 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
7922 BSS_SECTION_ASM_OP): Here.
7923 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
7924 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
7925 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
7926 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
7927 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
7928 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
7929 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
7930 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
7932 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
7934 * config/mips/osfrose.h (SET_ASM_OP): Here.
7935 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
7936 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
7937 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
7938 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7940 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
7941 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
7942 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
7943 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
7944 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
7945 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7947 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7949 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
7950 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
7951 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
7953 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
7954 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
7955 * config/sparc/linux.h (COMMON_ASM_OP): Here.
7956 * config/sparc/linux64.h (COMMON_ASM_OP,
7957 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
7958 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
7959 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
7960 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
7961 * config/sparc/pbd.h (ASM_INT_OP): Here.
7962 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
7963 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
7964 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
7965 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
7966 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
7967 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
7968 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
7969 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
7970 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
7971 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7972 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
7973 EH_FRAME_SECTION_ASM_OP): Here.
7974 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
7975 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7977 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7979 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
7980 TCOMMON_ASM_OP): Here.
7981 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
7983 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
7986 2000-09-25 Richard Henderson <rth@cygnus.com>
7988 * expmed.c (store_bit_field): Adjust last change to not consider
7989 any word-sized field naturally aligned.
7991 2000-09-24 Richard Henderson <rth@cygnus.com>
7993 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
7994 TFmode unordered compares properly. Revalidate integer compare
7996 (alpha_emit_setcc): New.
7997 (alpha_emit_conditional_move): Revalidate integer compare operands.
7998 * config/alpha/alpha-protos.h: Update.
7999 * config/alpha/alpha.md (cmpdi): Allow general operands.
8000 (sne): Use alpha_emit_setcc.
8001 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
8002 (sunordered, sordered): New.
8004 2000-09-24 Richard Henderson <rth@cygnus.com>
8006 * config/ia64/ia64-protos.h: Update.
8007 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
8008 (ia64_expand_call): New.
8009 (ia64_expand_prologue): Emit an alloc if we need extra input
8011 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
8012 instruction if true.
8013 (struct reg_flags): Add is_sibcall.
8014 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
8015 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
8016 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
8017 * config/ia64/ia64.h (PREDICATE_CODES): Update.
8018 * config/ia64/ia64.md (call): Use ia64_expand_call.
8019 (call_value): Likewise.
8020 (sibcall, sibcall_value): New.
8021 (call patterns): Remove extra expanders; tidy.
8022 (sibcall_epilogue): New.
8023 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
8025 2000-09-24 Richard Henderson <rth@cygnus.com>
8027 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
8029 * sibcall.c (skip_pic_restore): New.
8030 (identify_call_return_value): Use it.
8032 2000-09-24 Mark Mitchell <mark@codesourcery.com>
8034 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
8035 functions. Generalize to handle both C and C++.
8036 * Makefile.in (c-tree.info): New target.
8037 (info): Add c-tree.info.
8039 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8041 * expr.c (store_field): If BITSIZE is negative, use size of type.
8042 (expand_expr, case COMPONENT_EXPR): Likewise.
8044 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
8046 * cpplex.c: Update TODO comment.
8047 * cpplib.c (do_error, do_warning): Merge common code of
8048 do_error and do_warning into do_diagnostic. Use it.
8049 (do_diagnostic): New function.
8050 * cpplib.h: Fix comment typo.
8052 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8054 * c-common.c (check_format_info): Warn for a wide character string
8055 used as a non-wide format argument.
8057 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8059 * builtins.def (BUILT_IN_LLABS): Add.
8060 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
8061 * c-common.c (c_common_nodes_builtins): Create builtin functions
8062 __builtin_llabs, and plain llabs unless no_nonansi_builtins
8063 outside of C99 mode.
8064 (expand_tree_builtin): Handle BUILT_IN_LLABS.
8066 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
8068 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
8069 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
8070 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
8071 _cpp_free_toklist): No need to worry about extra dummy token
8072 at the start of token lists any more.
8073 (trigraph_ok): Only warn outside comments.
8074 (skip_block_comment): Set and clear lexing_comment.
8075 (skip_line_comment): Take a cpp_reader not cpp_buffer.
8076 Set and clear lexing_comment.
8077 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
8078 (check_long_token): Delete.
8079 (lex_percent, lex_dot): New subroutines of lex_token to
8080 handle lexing of '.' and '%' without lookback.
8081 (lex_token): Use lex_dot and lex_percent.
8082 (lex_line): Don't check for LIST_OFFSET.
8083 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
8084 * cpplib.c (_cpp_parse_assertion): Similarly.
8085 (cpp_push_buffer): Initialize extra_char.
8086 * cpplib.h (LIST_OFFSET): Delete.
8087 (struct cpp_buffer): New member extra_char.
8088 (struct lexer_state): New members lexing_comment and seen_dot.
8090 2000-09-23 Jason Merrill <jason@redhat.com>
8092 * config/rs6000/x-aix41 (CLIB): Define here.
8093 * config/rs6000/t-aix43: Not here.
8094 * config/rs6000/t-aix41: Or here. Remove.
8095 * configure.in: Don't use it.
8097 2000-09-22 Jason Merrill <jason@redhat.com>
8099 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
8100 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
8101 * config.in: Regenerate.
8103 * configure.in: Fix checks for assembler features when using a
8104 one-tree assembler that has not yet been built.
8105 Fix --disable-threads.
8107 2000-09-19 Geoff Keating <geoffk@cygnus.com>
8109 * stmt.c (expand_asm_operands): Allow # in constraints.
8111 2000-09-22 Jason Merrill <jason@redhat.com>
8113 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
8115 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
8116 function-local names.
8118 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
8119 Mark Mitchell <mark@codesourcery.com>
8121 * toplev.c (warn_disabled_optimization): Declare new warning flag.
8122 * flags.h (warn_disabled_optimization): Add it here.
8123 * gcse.c (gcse_main): Add warning when disabled.
8124 * invoke.texi: Document -Wdisabled-optimization.
8126 2000-09-21 Jason Merrill <jason@redhat.com>
8128 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
8130 * dwarf2out.c (tree_add_const_value_attribute): New fn.
8131 (gen_variable_die): Call it for non-definitions.
8133 * dwarf2out.c (die_struct): Add die_mark field.
8134 (mark_dies, unmark_dies): New fns.
8135 (clear_die_sizes): Remove.
8136 (print_die): Check die_symbol rather than die_offset.
8137 (build_abbrev_table, output_pubnames, output_aranges): Check
8138 die_mark rather than die_offset.
8139 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
8142 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
8144 * cppfiles.c (lookup_include_file): Rename to open_file.
8145 Always create a splay tree value, even on syscall failures.
8146 Negative entries indicated by fd == -2.
8147 Re-open files closed in the meantime.
8148 (_cpp_fake_include): Create a negative splay tree entry.
8149 (find_include_file, cpp_read_file): Update for function name
8151 * gcc.gd/cpp/mi4.c: Testcase.
8153 2000-09-21 Nick Clifton <nickc@redhat.com>
8155 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
8156 ARM and THUMB modes.
8158 * config/mcore/mcore.c: Fix compile time warnings.
8159 * config/mcore/mcore-protos.h: Fix compile time warnings.
8161 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8163 * configure.in: Correct test of gcc_cv_glibc.
8164 * configure: Rebuilt.
8165 * config.in: Rebuilt.
8167 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8169 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
8170 (expand_builtin): Handle BUILT_IN_FWRITE.
8172 * builtins.def (BUILT_IN_FWRITE): New entry.
8174 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
8176 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8178 * gcc.c (modify_target): New variable and struct.
8179 (process_command): Handle MODIFY_TARGET_NAME.
8180 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
8181 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
8183 * c-decl.c (finish_decl): Add else's to avoid referencing
8184 TYPE_DOMAIN of an ERROR_MARK.
8186 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
8188 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
8191 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
8193 * config/avr/avr.md (neghi2): Add alternative for input and output
8194 operands in different registers, as in negsi2.
8195 (*negsi2): Remove '*' from the name. Use "movw" if available.
8197 2000-09-19 Jim Wilson <wilson@cygnus.com>
8199 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
8200 HAVE_GAS_HIDDEN macro.
8202 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
8204 * cpplex.c (lex_line): Drop the EOF token for unknown
8205 directives in assembler.
8207 2000-09-19 David Edelsohn <edelsohn@gnu.org>
8209 * configure.in: Allow enable_threads_flag value of "aix". Define
8210 thread_file as "aix" for AIX 4.3 and above.
8211 * configure: Regenerated.
8213 * gthr-aix.h: New file.
8215 * rs6000/t-aix43: Replace soft-float multilib with pthread.
8216 Remove 403 processor multilib match. Fix rios2 processor multilib
8219 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
8220 to return to appropriate csect.
8222 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8224 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
8226 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
8227 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
8230 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
8233 * c-common.c (init_function_format_info): Handle __builtin_printf.
8234 Set `check_function_format_ptr'.
8235 (c_common_nodes_and_builtins): Set `puts_ftype' and
8236 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
8237 __builtin_printf and printf.
8239 * tree.c, tree.h (check_function_format_ptr): Declare.
8241 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
8243 * cppfiles.c (read_include_file): Take no special action for
8246 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
8248 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
8249 rather than that of branch.
8250 (shorten_branches): Don't increment insn_current_address twice.
8252 Undo most of the Wed Jan 27 23:39:53 1999 patch:
8253 * loop.h (struct induction): Delete members derived, ix and last_use.
8254 (struct loop_ivs): Delete members first_increment_giv and
8256 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
8257 recombine_givs): Delete functions.
8258 (find_and_verify_loops): Don't initialize cont_dominator.
8259 (strength_reduce): Lose code to try to find bivs that can be
8260 expressed as givs of another biv, and to convert biv increments
8262 Lose loop_scan_start variable, always use loop->scan_start.
8263 Don't call recombine_givs. Don't handle derived givs.
8264 (record_giv): Don't initialize derived and last_use fields.
8265 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
8267 * unroll.c (derived_regs): Delete static variable.
8268 (unroll_loop): Don't initialize it.
8269 (copy_loop_body): Lose code to handle derived givs.
8270 (find_splittable_givs): Don't check for givs made from biv
8272 Don't set derived_regs.
8274 Fix misapplied earlier patch:
8275 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
8277 (floatsisf2): Generate floatsisf_ie by default.
8278 (floatsisf_i4): Conditional on TARGET_SH4.
8280 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
8281 predicate for the expanders.
8283 2000-09-19 Richard Henderson <rth@cygnus.com>
8285 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
8286 in addition to pentium and pentiumpro symbols.
8287 (CPP_CPU_DEFAULT_SPEC): Likewise.
8289 * c-typeck.c (c_expand_asm_operands): Restore the output tree
8292 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
8293 if the tree has side effects.
8294 (warn_if_unused_value): Do not warn about void constructs.
8296 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
8298 * unroll.c (copy_loop_body): Update LABEL_NUSES before
8299 calling invert_jump.
8301 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8303 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
8306 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8308 * Makefile.in (c-common.o): Depend on diagnostic.h.
8310 * c-common.c: Include diagnostic.h.
8312 (status_warning): New function.
8313 (check_format_info, maybe_read_dollar_number, check_format_types,
8314 finish_dollar_format_checking, check_function_format): Accept a
8315 `status' parameter. All callers changed.
8317 * c-common.h (check_function_format): Accept a `status' parameter.
8319 * c-typeck.c: Update call to `check_function_format'.
8321 2000-09-18 Richard Henderson <rth@cygnus.com>
8323 * c-decl.c (c_expand_body): Call mark_varargs before
8324 expand_function_start.
8326 2000-09-18 Geoff Keating <geoffk@cygnus.com>
8328 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
8329 * config/rs6000/eabi-ci.asm: Likewise.
8331 2000-09-18 Richard Henderson <rth@cygnus.com>
8333 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
8336 2000-09-18 Jim Wilson <wilson@cygnus.com>
8338 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
8339 before passing it to fold_rtx_mult_add.
8341 * unroll.c (final_giv_value): Pass increment through
8342 extend_value_for_giv before passing it to emit_iv_add_mult.
8344 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
8345 paradoxical subreg, then directly substitute the replacement and
8348 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
8350 * cpp.texi: Update documentation, including some clarifications,
8351 the treatment of various newline combinations, and space between
8352 backslash and newline.
8354 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8356 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
8357 Replace ASM_OUTPUT_LABELREF with assemble_name.
8359 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8361 * sh.c (addsubcosts): CONST is not cheap.
8362 (find_barrier): For Sh1, take alignment after jumps into account.
8364 2000-09-15 Andrew Haley <aph@redhat.com>
8366 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
8367 remove all SETs of SUBREGs of hard registers.
8368 * function.c (purge_hard_subreg_sets): New function.
8369 (purge_single_hard_subreg_set): New function.
8370 * rtl.h: (purge_hard_subreg_sets): New function.
8372 2000-09-18 Richard Henderson <rth@cygnus.com>
8374 * config/ia64/ia64-protos.h: Update.
8375 * config/ia64/ia64.c (signed_inequality_operator): New.
8376 (ia64_expand_compare): New.
8377 (ia64_register_move_cost): Handle PR_REGS moves.
8378 (ia64_secondary_reload_class): Require a GR when moving to a PR.
8379 (struct reg_write_state): Add written_by_and/or.
8380 (struct reg_flags): Add is_and/or.
8381 (rws_update): Set them.
8382 (rws_access_regno): Test them to allow parallel comparisons.
8383 (rtx_needs_barrier): Recognize parallel comparisons.
8384 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
8385 Call recog_memoized; ignore pred_rel_mutex.
8386 (emit_predicate_relation_info): Don't call find_basic_blocks here.
8387 (ia64_reorg): Do it here instead.
8388 * config/ia64/ia64.h: s/CCmode/BImode/g
8389 (MODES_TIEABLE_P): Don't tie BImode.
8390 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
8391 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
8392 (RTX_COSTS): Make multiply 4 insns.
8393 (MEMORY_MOVE_COST): New.
8394 (PREDICATE_CODES): Update.
8395 * config/ia64/ia64.md: s/CCmode/BImode/g
8396 (movcci, movbi): New.
8397 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
8398 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
8399 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
8400 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
8401 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
8402 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
8403 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
8404 (mulsi, muldi): Use xmpy not xma.
8406 (movcc, movcc_internal): Remove.
8407 (branch expanders): Use ia64_expand_compare.
8408 (setcc expanders): Likewise.
8409 (cmov insns): Use move_operand and ia64_move_ok.
8410 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
8411 scheduler from moving it past a use.
8412 * config/ia64/build.hacks: Remove.
8414 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
8416 * cpphash.h (HASHSTEP): Take character rather than pointer
8418 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
8420 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
8422 * cpplex.c (auto_expand_name_space, trigraph_replace,
8423 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
8424 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
8425 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
8426 KNOWN_DIRECTIVE): Delete.
8428 (handle_newline, check_long_token, skip_escaped_newlines,
8429 unterminated): New functions.
8430 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
8432 (parse_identifier): Was parse_name, new implementation.
8433 (skip_line_comment, skip_block_comment, skip_whitespace,
8434 parse_number, parse_string, trigraph_ok, save_comment,
8435 adjust_column, _cpp_get_line): New implementations.
8437 (lex_token): New function. Lexes a token at a time, looking
8438 forwards. Contains most of the guts of the old lex_line.
8439 (lex_line): New implementation, using lex_token to obtain
8441 (cpp_scan_buffer): Use the token's line, not the list's line.
8443 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
8444 New implementations.
8445 (do_assert): Don't bother setting the answer's list's line.
8446 (cpp_push_buffer): Initialise new pfile and read_ahead members
8447 of struct cpp_buffer.
8449 * cpplib.h (cppchar_t): New typedef.
8450 (struct cpp_buffer): read_ahead, pfile and col_adjust are
8452 (struct lexer_state): New structure that determines the state
8453 and behaviour of the lexer.
8454 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
8455 (struct cpp_reader): New member "state". Rename
8456 multiline_string_line and multiline_string_column. Delete
8457 col_adjust, in_lex_line members.
8458 (CPP_BUF_COLUMN): Update.
8460 2000-09-18 Richard Henderson <rth@cygnus.com>
8462 * combine.c (simplify_comparison): Shift a NOT out of a single
8465 * combine.c (if_then_else_cond): Canonicalize BImode true to
8467 * explow.c (trunc_int_for_mode): Likewise.
8469 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
8470 the NOT for De Morgan's rule.
8471 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
8472 of a comparison to the reverse comparison.
8474 * combine.c (try_combine): Allow split to create a single insn.
8476 * machmode.def: Add BImode. Add a column for bitsize.
8477 * machmode.h (DEF_MACHMODE): Adjust for extra column.
8478 (GET_MODE_BITSIZE): Use it.
8479 * rtl.c (DEF_MACHMODE): Adjust for extra column.
8480 (mode_bitsize): New.
8481 (mode_mask_array): Use bitsize.
8482 * combine.c (combine_simplify_rtx): Require inner and outer
8483 modes to match on nonzero_bits optimizations.
8485 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8487 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
8488 its entry in spill_reg_store.
8489 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
8490 * sh.c (reg_no_subreg_operand): New function.
8491 * sh-protos.h (reg_no_subreg_operand): Declare it.
8492 * sh.h (PREDICATE_CODES): Add it.
8493 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
8494 input operand that needs to be in fpul.
8495 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
8496 * sh.c (find_barrier): Take into account that machine_dependent_reorg
8497 might add new insns.
8499 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
8501 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
8503 (sh_expand_epilogue): Take the PIC register into account when
8504 computing the frame size.
8506 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
8507 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
8508 LABEL_REFs with a PIC-safe unspec.
8510 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8512 * c-common.c (check_format_info): Properly save the argument
8513 number and parameter for $ operand number formats in case width
8514 and precision arguments are also used. Allow printf width and
8515 precision arguments to have operand numbers even if none was
8516 specified for the main format, since this is OK for %*.*m. Only
8517 object to missing $ operand number if the format used requires an
8520 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8522 * c-common.c (format_char_info): Add 'W' flag to comment.
8523 (print_char_table, scan_char_table): Use it.
8524 (check_format_info): Use the 'W' flag to determine whether a
8525 format argument is written into.
8527 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8529 * c-common.c (check_format_types): Reorganise and clean up,
8530 checking earlier for ERROR_MARKs and making cur_type into its
8531 TYPE_MAIN_VARIANT where convenient.
8533 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
8535 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
8537 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
8539 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
8541 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
8542 * i386.c (struct builtin_description): New.
8543 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
8544 (mmx_reg_operand): Declare MODE arg as unused.
8545 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
8546 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
8547 ix86_expand_binop_builtin, ix86_expand_store_builtin,
8548 ix86_init_builtins, ix86_expand_builtin): New functions.
8549 * i386.h (ix86_builtins): New enumeration.
8550 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
8551 * i386.md (attr length_immediate): 0 for mmx/sse types.
8552 (attr prefix_0f): 1 for mmx/sse types.
8553 (setcc_2): Remove "*" so we get gen_setcc_2.
8554 (emms): Account for changed register numbering. Set "memory" attr
8556 (sfence): Set "memory" attr to unknown.
8558 2000-09-18 Andreas Jaeger <aj@suse.de>
8560 * configure.in: Define _GNU_SOURCE only when using the GNU C
8562 * configure: Regenerated.
8563 * config.in: Regenerated.
8565 2000-09-17 Mark Mitchell <mark@codesourcery.com>
8567 * cppinit.c (cpp_init): Don't use ANSI prototypes.
8568 * flow.c (flow_dump_loop): Likewise.
8569 (flow_loops_dump): Likewise.
8571 * c-typeck.c (c_start_case): Fix typo.
8573 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8575 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
8576 to int for plain complex which defaults to complex double. Do
8577 warn about defaulting to complex double if pedantic. Warn about
8578 complex integer types if pedantic. Warn about complex types if
8579 pedantic and not in C99 mode.
8580 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
8581 for complex conjugation.
8583 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
8585 * contrib.texi: Update my entry.
8587 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
8589 * config/avr/avr.md (mcu_enhanced): New attribute.
8590 (mcu_mega): Likewise.
8591 (extendhisi2): Use mcu_enhanced.
8592 (zero_extendhisi2): Likewise.
8593 (call_insn): Use mcu_enhanced and mcu_mega.
8594 (call_value_insn): Likewise.
8595 (*sbrx_branch): Use mcu_mega.
8596 (*sbrx_and_branchsi): Likewise.
8597 (*sbrx_and_branchhi): Likewise.
8598 (*tablejump_lib): Likewise.
8600 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8602 * alias.c (true_dependence): Allow non-unchanging read to conflict
8603 with unchanging write.
8605 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
8606 (store_constructor): Pass alias_set to it.
8608 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
8609 TYPE_MAIN_VARIANT of ERROR_MARK.
8610 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
8612 * simplify-rtx.c (simplify_unary_operation): Add cases
8613 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
8615 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
8617 * expr.h (emit_library_call, emit_library_call_value): Delete
8619 * rtl.h (enum libcall_type): New.
8620 (emit_library_call, emit_library_call_value): Change fn_type arg to
8621 be of type enum libcall_type.
8622 * calls.c: Likewise for the function definitions. Several callers
8623 throughout changed to use the new enumeration appropriately.
8624 (emit_library_call_value_1): Likewise. Put back code to make libcall
8625 blocks of equal form, but only use it for the two new higher
8628 2000-09-16 Mark Mitchell <mark@codesourcery.com>
8630 Convert the C front-end to use function-at-a-time mode.
8631 * c-common.h: Include splay-tree.h.
8632 (C_DECLARED_LABEL_FLAG): New macro.
8633 (struct language_function): Add x_scope_stmt_stack and
8634 x_function_name_declared_p.
8635 (RECHAIN_STMTS): Move definition.
8636 (lang_statment_code_p): Likewise.
8637 (lang_expand_stmt): Likewise.
8638 (lang_expand_decl_stmt): New variable.
8639 (lang_expand_function_end): Likewise.
8640 (current_scope_stmt_stack): New function.
8641 (add_decl_stmt): Likewise.
8642 (add_scope_stmt): Likewise.
8643 (mark_stmt_tree): Likewise.
8644 (struct c_lang_decl): New structure.
8645 (DECL_SAVED_TREE): Define.
8646 (c_mark_lang_decl): New function.
8647 (c_expand_start_cond): Change prototype.
8648 (c_finish_then): New function.
8649 (c_finish_else): Likewise.
8650 (current_function_name_declared): Remove.
8651 (set_current_function_name_declared): Likewise.
8652 (mark_c_language_function): Declare.
8653 (case_compare): Likewise.
8654 (c_add_case_label): Likewise.
8655 (c_expand_expr): Likewise.
8656 (c_safe_from_p): Likewise.
8657 * c-common.c (lang_expand_function_end): New variable.
8658 (struct if_elt): Add if_stmt.
8659 (c_expand_start_cond): Add the if-statement to the statement-tree,
8660 rather than generating RTL.
8661 (c_finish_then): New function.
8662 (c_expand_start_else): Don't generate RTL.
8663 (c_finish_else): New function.
8664 (c_expand_expr_stmt): Don't generate RTL.
8665 (statement_code_p): Add SCOPE_STMT.
8666 (case_compare): New function.
8667 (c_add_case_label): Likewise.
8668 (mark_stmt_tree): Likewise.
8669 (c_mark_lang_decl): Likewise.
8670 (mark_c_language_function): Likewise.
8671 (c_expand_expr): Likewise.
8672 (c_safe_from_p): Likewise.
8673 * c-decl.c (c_stmt_tree): New variable
8674 (c_scope_stmt_stack): Likewise.
8675 (c_function_name_declared_p): Likewise.
8676 (lang_expand_expr_stmt): Remove.
8677 (poplevel): Don't call output_inline_function for nested
8679 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
8681 (redeclaration_error_message): Change means of computing whether
8682 or not a function is nested.
8683 (lookup_label): Don't call label_rtx.
8684 (init_decl_processing): Add more GC roots.
8685 (start_decl): Add DECL_STMTs to the statement-tree, rather than
8686 calling rest_of_decl_compilation.
8687 (finish_decl): Don't call expand_decl.
8688 (store_parm_decls): Begin the statement-tree, but don't generate
8690 (finish_function): Tie off the statement-tree. Call c_expand_body
8692 (c_expand_body): New function.
8693 (push_c_function_context): Save more information.
8694 (pop_c_function_contxt): Likewise.
8695 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
8696 (lang_mark_tree): Mark it.
8697 (current_stmt_tree): Adjust.
8698 (current_scope_stmt_stack): New function.
8700 (set_current_name_declared): Likewise.
8701 (c_begin_compound_stmt): Define.
8702 (c_expand_decl_stmt): Likewise.
8703 * c-lang.c: Include rtl.h and expr.h.
8704 (lang_init): Set more language-specific hooks.
8705 * c-lex.c: Include expr.h.
8706 * c-parse.in: Changes throughout to add statements to the
8707 statement-tree, rather than generating RTL after every statement.
8708 * c-semantics.c (lang_expand_decl_stmt): Define.
8709 (add_decl_stmt): New function.
8710 (add_scope_stmt): Likewise.
8711 (finish_stmt_tree): Tweak.
8712 (genrtl_expr_stmt): Likewise.
8713 (genrtl_decl_stmt): Handle local labels, and call
8714 lang_expand_decl_stmt if required.
8715 (genrtl_for_stmt): Fix line-number handling.
8716 (genrtl_case_label): Handle cleanups.
8717 (genrtl_asm_stmt): Don't call combine_strings.
8718 (genrtl_compound_stmt): Simplify.
8719 (expand_stmt): Handle SCOPE_STMTs.
8720 * c-tree.h (struct lang_decl): New structure.
8721 (C_DECLARED_LABEL_FLAG): Remove.
8722 (c_begin_compound_stmt): Declare.
8723 (c_expand_decl_stmt): Likewise.
8724 (c_expand_start_case): Rename to c_start_case.
8725 (c_finish_case): New function.
8726 * c-typeck.c (start_init): Tweak setting of
8727 constructor_incremental.
8728 (c_expand_asm_operands): Tweak error-handling. Add to the
8730 (c_expand_return): Add to the statement-tree.
8731 (c_expand_start_case): Rename to ...
8732 (c_start_case): ... this.
8733 (struct c_switch): New type.
8734 (switch_stack): New variable.
8735 (do_case): Simplify.
8736 (c_finish_case): New function.
8737 * dependence.c: Include expr.h.
8738 (enum dependence_type): Change spelling of enumerals.
8739 (check_node_dependence): Adjust.
8740 * expr.h (lang_safe_from_p): Declare.
8741 (safe_from_p): Likewise.
8742 * expr.c (lang_safe_from_p): New variable.
8743 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
8744 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
8745 * toplev.c (rest_of_decl_compilation): Robustify.
8746 * tree.c (contains_placeholder_p): Likewise.
8747 * Makefile.in: Update dependencies.
8748 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
8749 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
8750 (objc_expand_function_end): New function.
8751 (finish_method_def): Use it.
8752 (init_objc): Initialize more language-specific hooks.
8753 * objc/Make-lang.in: Update dependencies.
8755 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
8757 * configure.in: Define macros that affect features before
8758 testing for features. Don't define _XOPEN_SOURCE.
8759 * configure: Regenerated.
8760 * config.in: Regenerated.
8762 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
8764 * rtlanal.c (rtx_varies_p): Volatile asms vary.
8765 (rtx_unstable_p): Restructure code. Volatile asms
8768 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8770 * function.h (no_debugging_symbols): New field.
8771 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
8772 Initialize no_debugging_symbols.
8773 (output_inline_function): Save and restore write_symbols and set from
8774 no_debugging_symbols.
8775 * toplev.c (rest_of_compilation): Call save_for_inline.
8776 * tree.h: Update comment.
8778 * stor-layout.c (place_field): Don't do anything if field or
8779 its type are ERROR_MARK.
8781 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
8783 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
8784 (read_include_file): Ensure inc->mmaped is initialized.
8786 2000-09-16 Richard Henderson <rth@cygnus.com>
8788 * cppiles.c (purge_cache): Use PTR not caddr_t.
8790 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
8792 * gcc.c: In description for %{<S}, say the option removed is -S.
8793 * invoke.texi (Spec Files): Ditto.
8795 2000-09-16 Andreas Jaeger <aj@suse.de>
8797 * configure.in: Always define _GNU_SOURCE to make interfaces
8798 visible that were hidden by only defining _GNU_SOURCE.
8799 * configure: Regenerated.
8801 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
8803 * cpplex.c (push_macro_context): Set an argument's level after
8804 calling parse_args. We could loop infinitely otherwise.
8806 2000-09-15 Tom Tromey <tromey@cygnus.com>
8808 * configure, config.in: Rebuilt.
8809 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
8811 2000-09-15 Greg McGary <greg@mcgary.org>
8813 * cppmacro.c (check_trad_stringification): Check token
8814 text pointers against limit before dereferencing.
8816 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
8818 * c-common.c (format_wanted_type): New structure.
8819 (check_format_types): New function.
8820 (check_format_info): Pass all checking of types of format
8821 arguments, including width and precision arguments, to this new
8824 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8826 * BUGS: Remove file.
8828 2000-09-15 Jakub Jelinek <jakub@redhat.com>
8830 * config/alpha/alpha.c (override_options): ev6 cache latencies
8831 from Richard Henderson. Don't allow -mmemory-latency=L0.
8833 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
8834 (TARGET_OPTIONS): Add tune=.
8835 (alpha_tune_string): Declare.
8836 * config/alpha/alpha.c (override_options): Add cpu_table.
8837 Use alpha_cpu_string first to set both alpha_cpu and target_flags
8838 and then alpha_tune_string to set alpha_cpu only.
8839 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
8840 * config/alpha/elf.h (ASM_FILE_START): Likewise.
8841 * config/alpha/osf.h (ASM_FILE_START): Likewise.
8842 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
8844 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8846 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
8848 (ix86_comparison_operator, ix86_cc_mode): Declare
8849 * i386.h (CCGC, CCGCO): New modes.
8850 (SELECT_CC_MODE): Move offline to ....
8851 * i386.c (ix86_cc_mode): .... here; use new modes.
8852 (ix86_comparison_operator): New.
8853 (fcmov_comparison_operator): Ensure proper mode.
8854 (put_condition_mode): More sanity checking.
8855 (ix86_match_ccmode): Handle new modes.
8856 (ix86_expand_fp_compare): GEU requires CCmode.
8857 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
8859 * i386.md (cmp?i_ccz_1): Remove
8860 (cmp?i_ccno_1): Use ix86_match_ccmode.
8861 (cmp?i_minus_1): New.
8862 (cmpsi_1): New expander.
8863 (cmpqi_ext_1): Use match_ccmode
8864 (cmpqi_ext_3): New expander.
8865 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
8866 (cmpqi_ext_4): Use match_ccmode.
8867 (add?i_?): Use match_ccmode.
8869 (test?i_ccz_1): Remove
8871 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
8872 (testqi_ext_0): Use ix86_match_ccmode.
8873 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
8874 (xorqi_cc_ext_1): New expander.
8875 (shift patterns): Use CCGOCmode for all shifts except for sar.
8876 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
8877 (setcc_3, jcc_3, miv?icc_c): Remove.
8879 2000-09-15 Will Cohen <wcohen@redhat.com>
8881 * dwarf2out.c (add_const_value_attribute): Changed array into a
8882 xmalloced object, so it exists after function exit.
8883 (free_AT): Added case for dw_val_class_float to free allocated
8886 2000-09-15 Kazu Hirata <kazu@hxi.com>
8888 * config/i386/i386.md: Fix a comment typo.
8889 * gcc.c: Fix formatting.
8891 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8893 * optabs.c (emit_libcall_block): If target is a user variable,
8894 copy to a temporary first.
8895 * expr.c (convert_move): When generating a libcall, make a libcall
8897 * calls.c (emit_library_call_value_1): Don't create a libcall
8898 sequence here; our caller will in most cases do it.
8900 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
8902 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
8903 * sh.md (reload_outsf): Generate recognizable patterns for
8905 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
8906 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
8907 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
8908 truncdfsf2_i4): Change not to use explicit references to fpul.
8909 (floatsisf2_ie): Remove USE of fpscr.
8910 (floatsisf2): Change default expansion to match this.
8911 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
8914 2000-09-15 Richard Henderson <rth@cygnus.com>
8916 * expmed.c (store_bit_field): Consider naturally aligned
8917 memory for direct reference.
8919 2000-09-15 Richard Henderson <rth@cygnus.com>
8921 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
8922 AND addresses into alias set 0.
8923 (alpha_expand_unaligned_store): Likewise.
8924 (alpha_expand_unaligned_load_words): Likewise.
8925 (alpha_expand_unaligned_store_words): Likewise.
8927 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
8929 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
8930 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
8932 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
8933 rsize of UNITS_PER_WORD.
8935 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
8937 * cpplex.c (ON_REST_ARG): Correct the test.
8938 (maybe_paste_with_next): Duplicate a token that fail pasting,
8939 and clear its PASTE_LEFT flag, so that nested pasting attempts
8942 2000-09-14 Richard Henderson <rth@cygnus.com>
8944 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
8945 * cse.c (rtx_cost): Likewise.
8946 * optabls.c (expand_binop): Likewise.
8947 (expand_twoval_binop, prepare_cmp_insn): Likewise.
8948 * regclass.c (copy_cost): Likewise.
8949 * reload1.c (reload_cse_move2add): Likewise.
8951 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
8953 * c-parse.in (reswords): Add _Complex.
8955 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8957 * gcc.1: Delete documentation for -undef preprocessor option.
8959 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
8961 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8962 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
8963 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8964 Remove undefine before config/elfos.h.
8965 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
8967 2000-09-14 Kazu Hirata <kazu@hxi.com>
8969 * invoke.texi (H8/300 Options): Add -ms2600.
8970 * config/h8300.c (h8300_init_once): Output an error when -ms2600
8971 is used without -ms.
8972 * config/h8300.h (TARGET_MAC): New.
8973 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
8974 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
8975 machine other than H8/S2600.
8976 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
8979 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
8981 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
8982 pseudos that refer to the original pseudos, not only to their
8983 equivalent memory locations.
8985 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8987 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
8988 when making new MEM.
8990 * Makefile.in (LN): Remove duplicate definition.
8992 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
8994 From Joern Rennecke:
8995 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
8996 on an insn and function_invariant_p returns nonzero for the source,
8997 add a REG_EQUAL note.
8999 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
9001 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
9002 conflict with frame_pointer_rtx.
9004 2000-09-13 Kazu Hirata <kazu@hxi.com>
9006 * loop.c: Fix formatting.
9009 2000-09-13 Richard Henderson <rth@cygnus.com>
9011 * config/ia64/ia64.md (divsf3): New.
9012 (divsf3_internal_lat, divsf3_internal_thr): New.
9013 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
9014 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
9015 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
9016 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
9017 (nmadddf4_alts, nmadddf4_trunc): New.
9018 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
9019 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
9020 (multf3_truncsf_alts, multf3_truncdf_alts): New.
9021 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
9022 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
9023 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
9024 (nmaddtf4_truncdf_alts): New.
9025 (recip_approx): Don't predicate.
9027 2000-09-13 Richard Henderson <rth@cygnus.com>
9029 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
9031 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9033 * flags.h (flag_dump_rtl_in_asm): Declare.
9034 * toplev.c (flag_dump_rtl_in_asm): Define.
9035 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
9036 if -dP is specified.
9037 * rtl.h (print_rtx_head): Declare.
9038 * print-rtl.c (print_rtx_head): Define.
9039 (print_rtx): Print the string pointed to by print_rtx_head
9040 at beginning of each dump line.
9041 (print_rtl): Likewise.
9042 (print_rtl_single): Likewise.
9043 * final.c (final_scan_insn): Dump the insn in the assembly
9045 * gcc.1: Document -dP option.
9046 * invoke.texi (Debugging Options): Likewise.
9048 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9050 * md.texi (Machine Constraints): Document the 68HC11 constraints.
9051 * install.texi (Configurations): Document the 68HC11&68HC12 port.
9052 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
9054 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
9056 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
9057 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
9058 (*clrstrqi): Likewise.
9059 (xorhi3,xorsi3,absqi2): Likewise.
9060 (one_cmplhi2,one_cmplsi2): Likewise.
9061 (addsi3): Two stupid constraint alternatives removed.
9062 (extendhisi2): Use `movw' for enhanced avr cores.
9063 (zero_extendhisi2): Likewise.
9065 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
9067 * alias.c (find_base_term): Use frame_pointer_rtx
9068 when handling an ADDRESSOF.
9070 * cse.c (canon_hash): Handle USE of BLKmode memory.
9071 (cse_insn): Outgoing arguments for a libcall don't
9072 affect any recorded expressions.
9074 2000-09-12 Tom Tromey <tromey@cygnus.com>
9076 * configure, config.in: Rebuilt.
9077 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
9079 2000-09-12 Jakub Jelinek <jakub@redhat.com>
9081 * c-lex.c (lex_string): Use charwidth to compute bytemask.
9082 * expr.c (expand_expr): Don't optimize constant array references
9083 initialized with wide string constants.
9085 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9087 * loop.c (note_set_pseudo_multiple_uses): Correct.
9089 2000-09-12 Jim Wilson <wilson@cygnus.com>
9091 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
9092 else block, and X has side-effects, then fail.
9094 2000-09-12 Greg McGary <greg@mcgary.org>
9096 * config/mips/mips-protos.h
9097 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
9098 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
9099 (PREDICATE_CODES): Add "trap_cmp_op".
9100 * config/mips/mips.c
9101 (trap_cmp_op, mips_gen_conditional_trap): New functions.
9102 * config/mips/mips.md (trap, conditional_trap): New patterns.
9104 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9106 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
9109 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9111 * builtins.c (built_in_decls): New array.
9112 (expand_builtin_fputs): New function.
9113 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
9115 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
9117 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
9119 * tree.h (built_in_decls): New array.
9121 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
9123 * convex.md: Use "+" instead of "=" for outputs wrapped in a
9125 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
9127 2000-09-12 Kazu Hirata <kazu@hxi.com>
9129 * haifa-sched.c: Fix formatting.
9131 * genattrtab.c: Fix formatting.
9133 * unroll.c: Fix formatting.
9135 2000-09-12 Bruce Korb <bkorb@gnu.org>
9137 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
9138 remove obsolete code
9139 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
9140 * fixinc/fixincl.tpl: make non-exported arrays static scope
9141 * fixinc/fixincl.x: regenerate
9142 * fixinc/fixlib.h: Use PARAMS, not _P_
9143 * fixinc/fixtests.c: make a type for the test proc & use it
9144 * fixinc/server.h: Use PARAMS, not _P_
9146 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9148 * c-typeck.c (process_init_element): Avoid union init warnings on
9149 floating point zero. Don't crash on unions containing structs.
9151 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
9153 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
9154 general_movsrc_operand, and remove CONST_INT from
9155 general_movdst_operand.
9157 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
9159 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
9160 if a reference to non-fixed hardreg is seen. Otherwise, count hard
9161 regs with a higher cost.
9162 (preferrable): Deal with cases where either cost or regcost is
9164 (cse_insn): Use MAX_COST rather than 10000. Always initialize
9166 (COSTS_N_INSNS): Move definition...
9168 (MAX_COST): New macro.
9169 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
9172 2000-09-11 Mark Mitchell <mark@codesourcery.com>
9174 * c-common.h (genrtl_clear_out_block): Remove.
9175 * c-semantics.c (genrtl_clear_out_block): Remove.
9176 (genrtl_while_stmt): Don't call it.
9177 (genrtl_for_stmt): Likewise.
9179 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9181 * cppfiles.c: Move all default-#defines to top of file.
9182 (open_include_file): Replace by lookup_include_file.
9183 (read_with_read, read_file): Merged into read_include_file.
9184 (stack_include_file, purge_cache): New functions.
9185 (close_cached_fd): Delete.
9186 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
9187 Cache the in-memory buffer, not the file descriptor.
9189 * cpphash.h (struct include_file): Add buffer, st, refcnt,
9191 (xcnew): New utility macro.
9192 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
9193 * cpplib.h (struct cpp_buffer): Remove mapped field.
9195 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
9197 * cpplex.c (parse_string): Accept backslash space newline as a
9199 (lex_line): Likewise.
9200 (_cpp_get_token): Remove hard limit on macro nesting.
9202 2000-09-12 Philipp Thomas <pthomas@suse.de>
9204 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
9205 * configure: Rebuilt.
9207 2000-09-13 Michael Hayes <mhayes@cygnus.com>
9209 * flow.c (split_block): Fix update of registers live at
9212 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
9214 * i386.md (add?i_3, add?i_5): New.
9215 (add?i_4): Rename from add?i_3; Fix compare pattern.
9216 (sub?i_3, xor?i_3, ior?i_3): New.
9218 * genrecog.c (write_tree): Output code to clear insn_extract cache.
9219 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
9220 instead of extract_insn and extract_constrain_insn_cache instead of
9221 extract_insn and constrain_operands.
9222 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
9224 (extract_insn): Clear which_alternative.
9225 (constrain_operands): Set which_alternative to -1 when failed.
9226 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
9229 2000-09-11 Matthew Hiller <hiller@redhat.com>
9231 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
9232 on operand 0 to '+'.
9233 (movstricthi): Likewise.
9235 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9237 * loop.h (LOOP_IVS): New macro.
9238 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
9239 (struct loop_ivs): New.
9240 (struct loop_info): Add ivs field.
9241 (reg_iv_type, reg_iv_info): Delete prototype.
9242 (reg_biv_class, loop_iv_list): Likewise.
9243 * loop.c (record_biv, find_life_end): Pass loop argument.
9244 (reg_iv_type): Remove global array and use
9245 field in loop_regs structure within loop_ivs structure.
9246 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
9247 (first_increment_giv, last_increment_giv): Use entry in
9249 (record_initial): Pass ivs pointer.
9250 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
9252 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9254 * loop.h (LOOP_REGS): New macro.
9255 (struct loop_regs): New.
9256 (struct loop_info): Add regs field.
9257 * loop.c (set_in_loop): Remove global array and store
9258 in loop_regs structure as part of loop_info structure.
9259 (n_times_set, may_not_optimize): Likewise.
9260 (reg_single_usage, moved_once): Likewise.
9261 (count_one_set): Add regs argument.
9262 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
9263 (set_pseudo_multiple_uses): Pass regs pointer.
9265 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9267 * unroll.c (iteration_info): Subsume into loop_iterations.
9268 * loop.h (loop_info): New field iv.
9270 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9272 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
9273 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
9274 (flow_loops_update): New prototype.
9275 (flow_loops_find): Add flags to prototype.
9276 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
9277 * flow.c (flow_loop_pre_header_scan): New.
9278 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
9279 (flow_loop_free): Free pre-header root and trace and exit dominators.
9280 (flow_loops_find): New argument flags.
9281 (flow_loops_update): New function.
9282 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
9284 2000-09-12 Michael Hayes <mhayes@cygnus.com>
9286 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
9287 * flow.c (split_block, update_bb_for_insn): New functions.
9289 2000-09-11 Richard Henderson <rth@cygnus.com>
9291 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
9293 2000-09-11 Richard Henderson <rth@cygnus.com>
9295 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
9296 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
9297 (ia64_override_options): Prevent optimizing division for both
9298 latency and throughput.
9299 (rtx_needs_barrier): Handle frcpa.
9300 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
9301 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
9302 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
9303 (TARGET_SWITCHES): Add -minline-divide-min-latency and
9304 -minline-divide-max-throughput.
9305 (PREDICATE_CODES): Update.
9306 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
9307 (zero_extendsidi2): Likewise. Fix typo in f case insn.
9308 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
9309 (extendsftf2): Likewise.
9310 (extenddftf2): Likewise.
9311 (fix_trunctfdi2_alts): New.
9312 (fixuns_trunctfdi2_alts): New.
9313 (madd*4): Rename from madd*3.
9314 (divsi3, modsi3, udivsi3, umodsi3): New.
9315 (divsi3_internal): New.
9316 (divdi3, moddi3, udivdi3, umoddi3): New.
9317 (divdi3_internal_lat, divdi3_internal_thr): New.
9318 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
9319 (recip_approx): New.
9321 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
9323 * print-rtl.c (debug_call_placeholder_verbose): New variable.
9324 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
9326 * integrate.c (copy_rtx_and_substitute): Don't share
9327 LEAF_REG_REMAPpable registers with the inlined function. Don't
9328 share the function value with calling sequences.
9330 2000-09-11 Jakub Jelinek <jakub@redhat.com>
9332 * c-decl.c (do_case): Fix a typo.
9334 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
9335 to a if the comparison is floating mode and not -ffast-math.
9336 * simplify-rtx.c (simplify_ternary_operation): Likewise.
9338 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9340 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
9341 gen_ic_invalidate_line.
9343 2000-09-11 Philip Blundell <pb@futuretv.com>
9345 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
9347 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
9349 * install.texi (LANGUAGES): Update to include new languages.
9352 2000-09-11 DJ Delorie <dj@redhat.com>
9354 * gcc.c (main): Don't warn about unused -B prefixes
9355 (unused_prefix_warnings): remove
9357 2000-09-11 Kazu Hirata <kazu@hxi.com>
9359 * final.c: Fix formatting.
9361 * integrate.c: Fix formatting.
9363 2000-09-11 Geoff Keating <geoffk@cygnus.com>
9365 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
9367 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
9369 * reload.c (regno_clobbered_p): Fix thinko in previous change.
9371 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9373 * gcc.1: Document 68hc11 specific options.
9375 2000-09-10 Geoff Keating <geoffk@cygnus.com>
9377 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
9378 (TARGET_LONG_DOUBLE_128): Define.
9379 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
9380 (LONG_DOUBLE_TYPE_SIZE): Redefine.
9381 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9382 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
9383 of __LONG_DOUBLE_128__.
9384 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
9386 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
9387 (CPP_SYSV_DEFAULT_SPEC): Define.
9388 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
9389 (INIT_TARGET_OPTABS): Define.
9391 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
9392 (RS6000_UITRUNC): Likewise.
9393 (INIT_TARGET_OPTABS): New macro.
9394 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
9395 (trunc_defined): Delete.
9396 (output_prolog): Don't output .extern definitions for fp->int
9397 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
9398 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
9399 (trunc_defined): Delete.
9400 (RS6000_ITRUNC): Moved to aix.h.
9401 (RS6000_UITRUNC): Likewise.
9402 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
9403 only emit a libcall.
9404 (fixuns_truncdfsi2): Delete.
9405 (trunc_call): Delete.
9406 (trunc_call_rtl): Delete.
9408 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9410 * varasm.c (make_decl_rtl): Restore leading star on
9411 DECL_ASSEMBLER_NAME set for decls with an asmspec.
9413 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9415 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
9416 won't give a spurious error for '#pragma pack()'. Simplify
9417 control flow for readability. 'reset' action is not necessary.
9419 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
9421 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
9422 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
9423 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
9424 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
9426 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
9427 profile.c, sdbout.c, tradcif.y, tree.c:
9428 Include defaults.h if not already included.
9429 Don't define the above macros.
9431 * Makefile.in: Update dependencies.
9433 2000-09-10 Mark Mitchell <mark@codesourcery.com>
9435 * c-common.h (add_stmt): Change prototype.
9436 (RECHAIN_STMTS): New macro.
9437 (CASE_LABEL_DECL): Likewise.
9438 (genrtl_case_label): Change prototype.
9439 (c_expand_start_case): Remove prototype.
9440 (build_case_label): Change prototype.
9441 (decl_constant_value): Declare.
9442 * c-common.c (check_case_value): Handle C++'s extensions to C
9444 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
9446 * c-parse.in (stmt): Adjust handling of return statements and case
9448 * c-semantics.c (add_stmt): Return the new statement.
9449 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
9450 returned expression. Directly generate RTL, rather than calling
9452 (genrtl_switch_stmt): Don't call c_expand_start_case.
9453 (build_case_label): Take the LABEL_DECL as input, too.
9454 (genrtl_case_label): Just call add_case_node.
9455 (expand_stmt): Adjust calls to genrtl_return_stmt and
9457 * c-tree.h (c_expand_start_case): Declare.
9458 * c-typeck.c (decl_constant_value): Give it external linkage.
9459 (c_expand_return): Don't call expand_return or expand_null_return;
9460 use genrtl_return_stmt instead.
9461 * stmt.c (struct nesting): Remove num_ranges field.
9462 (add_case_node): Give it external linkage.
9463 (expand_start_case): Don't set num_ranges.
9464 (expand_start_case_dummy): Don't clear it.
9465 (pushcase): Rely on add_case_node to handle `default' labels.
9466 (add_case_node): Handle `default' labels.
9467 * tree.c (tree_int_cst_compare): New function.
9468 * tree.h (tree_int_cst_compare): Declare.
9469 (add_case_node): Likewise.
9471 2000-09-10 Richard Henderson <rth@cygnus.com>
9473 * c-parse.in: Revert last change.
9474 (init_reswords): Do not enter disabled keywords into the ridpointers
9475 table, modulo objc weirdness.
9476 (_yylex): Return the canonical spelling for a keyword.
9478 2000-09-10 Philip Blundell <philb@gnu.org>
9480 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
9481 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
9483 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
9485 * alias.c (find_base_term): Handle ADDRESSOF.
9486 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
9488 2000-09-10 Denis Chertykov <denisc@overta.ru>
9490 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
9491 outputting templates with many lines.
9493 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9495 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
9496 to decide whether 64-bit support must be generated.
9498 2000-09-10 Richard Henderson <rth@cygnus.com>
9500 * c-parse.in (asm patterns): Fix volatile check.
9502 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9504 * cppmacro.c (check_trad_stringification): New function.
9505 (save_expansion): If -Wtraditional, warn about stringification of
9508 2000-09-11 Michael Hayes <mhayes@cygnus.com>
9510 * loop.h (struct loop_mem_info): Move from loop.c
9511 (struct loop_info): Add fields store_mems, mems, mems_idx,
9512 mems_allocated, unknown_address_altered,
9513 unknown_constant_address_altered, num_mem_sets, and
9514 first_loop_store_insn.
9516 * loop.c (loop_store_mems): Replace with field in loop_info struct.
9517 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
9518 (unknown_address_altered, unknown_constant_address_altered): Likewise.
9519 (num_mem_sets): Likewise.
9520 (replace_loop_mems, replace_loop_regs): New.
9521 (struct loop_replace_args): New.
9522 (load_mems): Use replace_loop_mems.
9523 (try_copy_prop): Use replace_loop_regs.
9524 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
9526 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9528 * configure.in: Recognize m6811-elf and m6812-elf.
9529 * configure: Regenerate.
9531 2000-09-09 Geoff Keating <geoffk@cygnus.com>
9533 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
9536 2000-09-10 Michael Hayes <mhayes@cygnus.com>
9538 * loop.c (struct movables): New.
9539 (num_movables): Move into struct movables.
9540 (the_movables): Change type to struct movables.
9541 (ignore_some_movables): Change struct movable arg to struct movables.
9542 (force_movables, combine_movables, regs_match_p): Likewise.
9543 (rtx_equal_for_loop_p, move_movables): Likewise.
9544 (scan_loop): Change movables to be of type struct movables.
9545 Replace last_movable with field in movables structure.
9547 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
9549 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
9550 (init_pragma): Avoid warning if pfile happens to be unused.
9551 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
9552 define init_pragma to nothing. Always prototype
9553 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
9555 * c-lex.c (process_directive): Always call dispatch_pragma.
9556 Initialize entering_c_header to 0.
9558 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9560 * config/m68hc11/m68hc11.md: New file, machine description for
9562 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
9563 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
9564 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
9565 * config/m68hc11/m68hc11-protos.h: New file.
9566 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
9567 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
9568 * config/m68hc11/xm-m68hc11.h: New file, target defs.
9569 * config/m68hc11/larith.asm: New file, libgcc routines.
9571 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9573 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
9574 (FPBIT_FUNCS): Add _usi_to_sf.
9575 * config/fp-bit.c (usi_to_float): New function.
9576 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
9577 (usi_to_float): Add appropriate #define.
9579 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9581 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
9583 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
9584 * i386.md (attr "type"): Add sse and mmx types.
9585 (attr "memory"): Handle them without a crash.
9586 (movsi_1, movdi_2): Allow MMX regs.
9587 (movdi splits): Don't split moves involving MMX regs.
9588 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
9589 (movv4sf_internal, movv4si_internal, movv8qi_internal,
9590 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
9591 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
9592 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
9593 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
9594 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
9595 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
9596 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
9597 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
9598 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
9599 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9600 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9601 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
9602 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
9603 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9604 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9605 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
9606 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
9607 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
9608 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
9609 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
9610 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9611 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9612 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
9613 mmx_clrdi): New patterns.
9615 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
9617 * arm.c: Don't include tm.h directly.
9619 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
9621 * recog.c (validate_replace_rtx_1): Fix confusion about equality
9622 testing; simplify subregs of constants and nested subregs.
9624 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
9626 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
9628 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
9630 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
9632 * rtl.texi (description of USE): Add note about possible pitfalls
9634 From Richard Henderson:
9635 * reload1.c (choose_reload_regs): Compute need_mode properly.
9637 2000-09-07 Richard Henderson <rth@cygnus.com>
9639 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
9640 (__modsi3, __umodsi3): Likewise.
9641 (__udivsi3): Likewise. Normalize the TFmode values.
9643 2000-09-07 Geoff Keating <geoffk@cygnus.com>
9645 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
9647 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
9650 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9652 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
9653 (cmpeqdi_t): Add output pattern.
9654 (cmpeqdi_t+1): Don't split when not optimizing.
9655 Restore proper splitting operation.
9657 2000-09-07 Richard Henderson <rth@cygnus.com>
9659 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
9660 do not call dispatch_pragma.
9662 2000-09-07 Jim Wilson <wilson@cygnus.com>
9664 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
9665 to CLASS_CANNOT_CHANGE_MODE.
9666 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
9667 mode classes are different.
9669 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9671 * cpplib.h (struct cpp_options): Add user_label_prefix member,
9672 left out of commit which removed cppulp.c.
9674 2000-09-07 Richard Henderson <rth@cygnus.com>
9676 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
9677 after switch for CASE_DROPS_THROUGH.
9679 2000-09-07 Richard Henderson <rth@cygnus.com>
9681 * loop.c (strength_reduce): Call check_ext_dependant_givs.
9682 Properly extend the biv initial value for the giv.
9683 (record_biv): Zero ext_dependant.
9684 (record_giv): New argument ext_val. Update all callers.
9685 (general_induction_var): Likewise.
9686 (consec_sets_giv): Likewise.
9687 (simplify_giv_expr): Likewise. Fill in ext_val if we find
9688 a sign-extend, zero-extend, or truncate.
9689 (combine_givs_p): Make sure modes are compatible.
9690 (check_ext_dependant_givs): New.
9691 (extend_value_for_giv): New.
9692 * loop.h (struct induction): Add ext_dependant.
9693 * unroll.c (iteration_info): Extend the biv initial value for the giv.
9694 (find_splittable_givs): Likewise.
9695 (final_giv_value): Likewise.
9697 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
9699 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
9700 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
9701 definitions from cpplib.h.
9702 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
9704 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
9705 documentation for REGISTER_TARGET_PRAGMAS.
9707 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
9708 default-pragma callback to implement -Wunknown-pragmas if
9710 * c-parse.in: Move all includes to top of file.
9711 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
9713 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
9715 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
9717 * arm.h, arm-protos.h, arm.c,
9718 c4x.h, c4x-protos.h, c4x.c,
9719 h8300.h, h8300-protos.h, h8300.c,
9720 i370.h, i370-protos.h, i370.c,
9721 i960.h, i960-protos.h, i960.c,
9722 sh.h, sh-protos.h, sh.c,
9723 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
9724 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
9726 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
9727 multiple include guard.
9728 * i370.md (untyped_call): Use GEN_CALL.
9729 (umodsi3): Remove unused variable.
9730 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
9731 * v850.c (output_move_single, output_move_double): Constify
9733 (print_operand): Constify a char *.
9734 * v850.h (struct small_memory_info): Constify name member.
9736 2000-09-07 Kazu Hirata <kazu@hxi.com>
9738 * config/h8300.h: Fix comment typos.
9739 * config/h8300/h8300.md: Likewise.
9740 * config/h8300/lib1funcs.asm: Likewise.
9742 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
9744 * Makefile.in: Remove references to cppulp.{c,o}.
9745 * cppinit.c (initialize_builtins, cpp_start_read,
9746 cpp_handle_option): Update to use cpp_options structure.
9749 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
9751 * c-common.c (time_char_table): Allow %#b and %#h.
9753 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9755 * reorg.c (find_end_label): If the basic block reorder pass moves the
9756 return insn to some other place try to locate it again and put our
9757 end_of_function_label there.
9758 * reorg.c (relax_delay_slots): Check if find_end_label created a
9759 new label that invalidates the current optimazation.
9761 2000-09-07 Catherine Moore <clm@redhat.com>
9763 * unroll.c (unroll_loop): Check for unconditional jumps
9764 to loop continuation. Delete if n_iterations is 1.
9765 (ujump_to_loop_cont): New routine.
9767 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
9769 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
9771 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
9772 to handle multiword modes correctly. All callers and the declaration
9775 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9777 * c-common.h (prep_stmt): Declare.
9778 (lang_expand_stmt): Likewise.
9779 * c-decl.c (lang_expand_stmt): Remove.
9780 * c-semantics.c (lang_expand_stmt): Define.
9781 (prep_stmt): New function.
9782 (expand_stmt): Handle common statement types here.
9784 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
9786 * configure.in (sh-*-linux*): Added.
9787 * configure: Rebuilt.
9788 * config/sh/t-linux: New file.
9789 * config/sh/sh.h (USERMODE_BIT): Define.
9790 (TARGET_USERMODE): Likewise.
9791 (TARGET_SWITCHES): New switches for the bits above.
9792 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
9793 * config/sh/linux.h: New file.
9794 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
9795 underscore on linux.
9796 (L_sdivsi3, L_udivsi3): Define for linux.
9797 (L_ic_invalidate): Define.
9798 * invoke.texi (SH Options): Document -musermode.
9800 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
9802 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
9803 CSE unless generating PIC.
9805 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
9808 2000-09-06 H.J. Lu (hjl@gnu.org)
9810 * Makefile.in (clean_s1): Depend on stage_b.
9811 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
9812 stage2. They are used for "make compare".
9814 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9816 Move statement-tree facilities from C++ to C front-end.
9817 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
9818 (void_zero_node): New macro.
9819 (struct stmt_tree_s): New type.
9820 (stmt_tree): New typedef.
9821 (struct language_function): New type.
9822 (last_tree): New macro.
9823 (last_expr_type): Likewise.
9824 (walk_tree_fn): New typedef.
9825 (current_stmt_tree): New function.
9826 (begin_stmt_tree): Likewise.
9827 (add_stmt): Likewise.
9828 (finish_stmt_tree): Likewise.
9829 (statement_code_p): Likewise.
9830 (lang_statement_code_p): New variable.
9831 (walk_stmt_tree): New function.
9832 (STMT_IS_FULL_EXPR_P): New macro.
9833 * c-common.c (lang_statement_code_p): New variable.
9834 (c_common_nodes_and_builtins): Initialize void_zero_node.
9835 (statement_code_p): New function.
9836 (walk_stmt_tree): Likewise.
9837 * c-decl.c (language_function): Rename to ...
9838 (c_language_function): ... this. Include language_function.
9839 (push_c_function_context): Adjust accordingly.
9840 (pop_c_function_context): Likewise.
9841 (mark_c_function_context): Likewise.
9842 (current_stmt_tree): Define.
9843 * c-semantics.c (begin_stmt_tree): New function.
9844 (add_stmt): Likewise.
9845 (prune_unused_decls): Likewise.
9846 (finish_stmt_tree): Likewise.
9848 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9850 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
9852 2000-09-06 Kazu Hirata <kazu@hxi.com>
9854 * calls.c: Fix formatting.
9856 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
9858 * config/i386/i386.h (ADDRESS_COST): Fix typo.
9860 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9862 Integrated preprocessor.
9864 * Makefile.in: Remove all references to c-parse.gperf,
9865 c-gperf.h, and c-parse.h. Remove -d from yacc command line
9866 generating c-parse.c. Update dependencies.
9867 * c-parse.gperf, c-gperf.h: Delete.
9869 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
9870 yy_lim, or yy_get_token. Don't define get_directive_line if
9872 * c-common.h: Add multiple include guard. Define RID values
9873 for every keyword in C, C++, and Objective C. Put all the
9875 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
9876 * c-decl.c (c_decode_option): Handle -lang-objc here.
9877 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
9878 (grokdeclarator): Adjust for new RID scheme.
9879 (extract_interface_info): New stub.
9880 * c-lang.c: Don't declare yy_cur or parse_options.
9881 (lang_init_options): Call cpp_init. Don't call
9883 (lang_init): Don't call check_newline if USE_CPPLIB.
9885 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
9886 Elide lots of unnecessary code if USE_CPPLIB. Delete code
9887 rendered unnecessary by new architecture. Move routines not
9888 shared with C++ to c-parse.in. Maintain a local idea of the
9889 line number. Handle C++ as well as C.
9890 [USE_CPPLIB]: Declare and register callbacks for #ident and
9891 for entering/leaving files.
9892 (init_c_lex, c_lex): Are now the entry points to this file.
9893 (check_newline): Break out directive handling to
9895 (read_ucs, is_extended_char, utf8_extend_token): Moved here
9897 (readescape, parse_float): Overhaul.
9898 (lex_number, lex_string, lex_charconst): Break out of c_lex
9900 (get_fileinfo, update_header_times, dump_one_header,
9901 dump_time_statistics): New and/or moved here from C++.
9902 Support per-file data needed by C++ and per-header timing
9903 statistics (C++ only, at the moment).
9904 * c-lex.h: Update prototypes. Add multiple include guard.
9905 * c-tree.h (struct lang_identifier): Add rid_code field.
9906 (C_IS_RESERVED_WORD, C_RID_CODE): New.
9908 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
9909 reinit_parse_for_function and/or position_after_white_space.
9910 (save_filename, save_lineno): Look ahead before saving.
9911 (label -> identifier ':'): Save file and line before shifting ':'.
9912 (reservedwords): No need to call get_identifier.
9913 (init_parse, finish_parse, yyerror, yylex, yyprint,
9914 make_pointer_declarator): Are now here for C/ObjC.
9915 (rid_to_yy): Conversion table from RID constants to Yacc codes.
9917 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
9918 #pragma registry. Provide dummy implementation of that
9919 interface if !USE_CPPLIB.
9920 * c-pragma.h: Update to match.
9922 * flags.h: Add multiple include guard.
9923 (flag_detailed_statistics): Moved here from C++.
9924 * toplev.c: Define flag_detailed_statistics.
9926 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
9928 * timevar.def (TV_CPP, TV_LEX): New.
9929 * timevar.h: Add multiple include guard.
9931 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
9933 * objc/objc-act.c: Don't mention yy_cur or parse_options.
9934 Initialize cpplib properly. Force lineno to 0 after first
9935 call to check_newline. Don't handle -lang-objc here.
9936 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
9938 2000-09-06 David Edelsohn <edelsohn@gnu.org>
9940 * rs6000.md: Correct function unit definitions for cr_logical and
9942 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
9943 and use portable method for >=0 and floating point >=. Remove
9944 associated matchers.
9946 2000-09-06 Mark Mitchell <mark@codesourcery.com>
9948 * extend.texi: Mark named return value extension as deprecated.
9950 2000-09-06 Geoff Keating <geoffk@cygnus.com>
9952 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
9955 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
9957 * toplev.c (display_help): Fix thinko in documentation.
9959 * diagnostic.h (output_buffer::indent_skip): New fields.
9960 (output_indentation): New macro.
9962 * diagnostic.c (output_indent): New function.
9963 (output_set_prefix, clear_diagnostic_info): Use.
9964 (output_emit_prefix): Predict future indentation.
9966 2000-09-06 DJ Delorie <dj@redhat.com>
9968 * Makefile.in (stage_*): add more dependencies to ensure parallel
9969 builds build correctly
9971 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
9973 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
9974 not bootstrap-lean_f.
9976 2000-09-06 Andreas Schwab <schwab@suse.de>
9978 * mklibgcc.in: Emit rule for libgcc-stage-start.
9979 * Makefile.in (stage1-start, stage2-start, stage3-start,
9980 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
9982 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
9984 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
9985 (update_equiv_regs): Likewise, except for the mn10200 kludge.
9986 (combine_regs): Likewise.
9988 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
9989 * cse.c: Include "basic-block.h".
9990 (struct table_elt): New field REGCOST.
9991 (CHEAP_REG): Delete macro.
9992 (COST): Return 0 for REGs.
9993 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
9994 (notreg_cost): Return 0 for appropriate SUBREGs.
9995 (COSTS_N_INSNS): Return N * 2.
9996 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
9998 (CHEAPER): Use new function preferrable.
9999 (insert): Initialize REGCOST member.
10000 (find_best_addr): Use approx_reg_cost for estimation of register
10002 (cse_insn): Likewise.
10003 * loop.c (iv_add_mult_cost): New function.
10004 (add_cost, shift_cost, mult_cost): Delete variables.
10005 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
10006 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
10007 Make code that detects autoinc opportunities slightly less optimistic.
10008 (simplify_giv_expr): If expression contains other reg that is also a
10009 giv, only increment benefit if this is the only use of that reg.
10010 (consec_sets_giv): Take that change into account.
10011 (combine_givs): Slightly more verbose output.
10013 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
10014 not the cost of an equivalent shift.
10015 * sh-protos.h (addsubcosts): Declare.
10016 * sh.c (addsubcosts): New function.
10017 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
10018 (RTX_COSTS): Tweak. Use addsubcosts.
10019 (ADDRESS_COST): Return higher cost for reg+reg addressing.
10021 2000-09-06 Geoff Keating <geoffk@cygnus.com>
10023 * config/rs6000/rs6000.c (validate_condition_mode): New function.
10024 (branch_comparison_operator): Call validate_condition_mode to
10025 abort rather than returning 0.
10026 (branch_positive_comparison_operator): New function.
10027 (scc_comparison_operator): Call validate_condition_mode to abort
10028 rather than returning 0.
10029 (ccr_bit): Call validate_condition_mode. Update for
10031 (print_operand): Delete %C modifier. Update %E case
10032 to use EQ bit not SO bit.
10033 (rs6000_reverse_condition): New function.
10034 (rs6000_generate_compare): New function.
10035 (rs6000_emit_sCOND): New function.
10036 (rs6000_emit_cbranch): New function.
10037 (output_cbranch): The length of a long branch insn is
10038 now only 8 bytes. Add validate_condition_mode. Use
10039 rs6000_reverse_condition. Remove cror generation.
10041 * config/rs6000/rs6000.h: Update comments.
10042 (PREDICATE_CODES): Add new predicate. Update codes used
10043 by branch_comparison_operator and scc_comparison_operator.
10044 * config/rs6000/rs6000-protos.h: Add prototypes for
10045 new external functions.
10046 * config/rs6000/rs6000.md: Add new scheduling parameters
10047 for cr_logical instructions. Change length of branch
10049 (bCOND patterns): Call rs6000_emit_cbranch.
10050 (sCOND patterns): Call rs6000_emit_sCOND.
10051 (branch patterns): Change lengths to 4.
10052 (cr logical patterns): New.
10054 2000-09-06 Richard Henderson <rth@cygnus.com>
10056 * config/i386/i386.md (call_pop): Fix test for setting
10057 current_function_uses_pic_offset_table.
10058 (call, call_value_pop, call_value): Likewise.
10060 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
10062 * timevar.c (timevar_add): Delete.
10063 (timevar_get): Also count time since the selected timer was
10064 last updated. Do not examine the timevar stack if the
10065 selected timer is standalone.
10067 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10069 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
10071 2000-09-05 Jason Merrill <jason@redhat.com>
10073 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
10074 for 'extern' arrays.
10076 2000-09-05 Richard Henderson <rth@cygnus.com>
10078 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
10079 Eliminate final copy from non-trapping case.
10080 (__divdf3, __divsf3): Likewise.
10082 2000-09-05 Richard Henderson <rth@cygnus.com>
10084 * config/ia64/ia64.md (mulhi3): Fix typo last change.
10085 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
10087 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
10089 * Makefile.in: Restructure bootstrap stages to allow clean
10090 restart after failure.
10092 2000-09-05 Richard Henderson <rth@cygnus.com>
10094 * config/ia64.md (movsi and movdi patterns): Allow moves from
10095 8-bit constants to AR registers.
10097 2000-09-05 Richard Henderson <rth@cygnus.com>
10099 * config/ia64/ia64.md (mulhi3): New.
10101 2000-09-05 Richard Henderson <rth@cygnus.com>
10103 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
10104 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
10105 Optimization Guide, minimum latency alternative.
10106 (__moddi3, __udivdi3, __umoddi3): Likewise.
10107 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
10109 2000-09-05 Bruce Korb <bkorb@gnu.org>
10111 * fixinc/fixincl.c (load_file): always read header files
10112 with sizes that are a multiple of the page size.
10113 & use libiberty's getpagesize for determining that.
10115 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
10117 * gcse.c (hash_string_1): Add prototype.
10118 * cse.c (canon_hash_string): Likewise.
10120 2000-09-04 Craig Newell <CraigN@ieee.org>
10122 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
10124 2000-09-04 Andreas Schwab <schwab@suse.de>
10126 * Makefile.in (STAGESTUFF): Remove libgcc.
10127 (stage1-start, stage2-start, stage3-start): Copy the contents of
10128 the libgcc directory explicitly.
10129 (mostlyclean): Clean libgcc.
10131 2000-09-04 Andrew Haley <aph@redhat.com>
10133 * dwarf2out.c: (stack_adjust_offset): New prototype.
10135 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
10137 * combine.c (make_extraction): Fix rtx_cost comparison to
10140 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
10142 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
10143 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
10144 Add '*' to insn pattern name.
10146 2000-09-04 Jakub Jelinek <jakub@redhat.com>
10148 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
10149 use posn - 1 to index into tokens array.
10150 (maybe_paste_with_next): Adjust caller.
10152 2000-09-03 Geoff Keating <geoffk@cygnus.com>
10154 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
10156 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
10157 (REGNO_REG_CLASS): Use symbolic register
10160 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
10162 * arm.c (final_prescan_insn): If the form of a jump insn isn't
10163 recognized, don't try to conditionally execute it.
10165 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
10167 * config/avr/avr.md ("*tablejump_lib"): New pattern.
10168 (call_value_insn): Right length claculation.
10169 (call_insn): Likewise.
10171 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
10173 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
10174 gas_output_limited_string, gas_output_ascii, output_movqi,
10175 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
10176 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
10177 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
10178 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
10179 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
10180 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
10181 Add "const" as needed to remove warnings.
10183 * config/avr/avr.c (avr_override_options, avr_init_once,
10184 function_prologue, function_epilogue, frame_pointer_required_p,
10185 class_likely_spilled_p, order_regs_for_local_alloc,
10186 avr_address_cost, avr_ret_register): Use K&R style arguments.
10187 (initial_elimination_offset, gas_output_limited_string):
10188 Remove ATTRIBUTE_UNUSED from the used arguments.
10189 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
10190 Use local variables src, dest, base to access operands[].
10191 Rename reg_dest to reg_src if that's what it is.
10192 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
10193 constants to LD_REGS if reg_was_0.
10194 (output_reload_insisf): Change arg 3 to insn length and set it.
10195 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
10196 access to 16-bit I/O register pairs.
10197 (avr_address_cost): Lower cost for the above case.
10198 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
10199 may be clobbered, also for LD_REGS.
10200 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
10203 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
10205 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
10206 macro to test_hard_reg_class function.
10207 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
10208 for loading immediate constants to LD_REGS.
10209 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
10212 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
10214 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
10215 * config/avr/libgcc.S: Lost part of the previous patch.
10217 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10219 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
10220 object before calling pthread_mutex_init.
10222 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
10224 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
10225 config/sh/crtn.asm: New files.
10226 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
10227 (crt1.o, crti.o, crtn.o): New targets.
10228 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
10230 * configure: Rebuilt.
10231 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
10232 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
10233 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
10234 Undefine for config/elfos.h to redefine.
10235 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
10237 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
10239 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
10240 legitimize_pic_address, output_pic_addr_const): Declare.
10241 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
10242 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
10243 (TARGET_SWITCHES): New switch -mprefergot.
10244 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
10245 (PIC_OFFSET_TABLE_REGNUM): Define.
10246 (GOT_SYMBOL_TABLE): Likewise.
10247 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
10248 (ENCODE_SECTION_INFO): Define.
10249 (FINALIZE_PIC): New macros.
10250 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
10251 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
10252 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
10253 (prepare_move_operands): Call emit_pic_move or
10254 emit_pic_const_move if appropriate.
10255 (output_far_jump): For PIC, use braf and output long offset.
10256 (machine_dependent_reorg):
10257 (sh_expand_prologue): Save and initialize the PIC register.
10258 (sh_expand_epilogue): Restore it.
10259 (initial_elimination_offset): Account for it.
10260 (nonpic_symbol_mentioned_p): New function.
10261 (legitimize_pic_address): Likewise.
10262 (output_pic_addr_const): Likewise.
10263 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
10264 (call, call_value): Use them.
10265 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
10266 symPLT_label2reg): New expands.
10267 * invoke.texi (SH Options): Document -mprefergot.
10269 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
10271 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
10272 * gcse.c (hash_string_1): New function.
10273 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
10274 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
10275 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
10276 (canon_hash_string): New function.
10277 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
10278 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
10279 (fold_rtx): Use ASM_OPERANDS accessor macros.
10280 * emit-rtl.c (copy_insn_1): Likewise.
10281 * integrate.c (copy_rtx_and_substitute): Likewise.
10282 * stmt.c (expand_asm_operands): Likewise. Give an
10283 ASM_OPERANDS rtx the mode of the output reg being set from it.
10285 2000-09-01 Fred Fish <fnf@be.com>
10287 * fix-header.c (write_rbrac): Add putc and getc to list of
10288 functions to protect against prior definition as a macro.
10290 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
10292 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
10293 (c_size_type_node): Define.
10294 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
10295 * c-common.c (enum format_lengths, enum format_std_version,
10296 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
10297 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
10298 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
10299 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
10300 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
10301 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
10302 format_types): Define.
10303 (format_char_info, print_char_table, scan_char_table,
10304 time_char_table): Rearrange for new organization of information
10305 about format length modifiers and standard versions.
10306 (T_ST): Redefine to use c_size_type_node.
10307 (check_format_info): Obtain information about length modifiers and
10308 standard versions from tables. Adjust warning message wordings.
10309 Use the name from the user's program for `ll' and `hh' length
10310 modifiers in warning messages. Use more informative names for
10311 wanted types where available (for wchar_t, wint_t, size_t, signed
10312 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
10314 2000-09-01 Jim Wilson <wilson@cygnus.com>
10316 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
10317 * combine.c (distribute_notes): Handle REG_NORETURN.
10318 * rtl.c (reg_note_name): Add REG_NORETURN.
10319 * rtl.h (enum reg_note): Likewise.
10321 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
10323 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
10324 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
10325 (emit_predicate_relation_info): Handle conditional calls with
10327 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
10328 instead of ia64_file_start.
10329 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
10330 * config/ia64/ia64.md (safe_across_calls_all,
10331 save_across_calls_normal): New patterns.
10333 * loop.c (check_final_value): Check for biv use before checking for
10334 giv use. Check for both biv and giv uses. Always set last_giv_use
10335 if there is a giv use.
10337 2000-09-01 Richard Henderson <rth@cygnus.com>
10339 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
10340 (madddi3): Likewise.
10343 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10345 * expr.c (clear_storage): Don't use emit_move_insn unless
10346 either BLKmode or proper size.
10347 (store_constructor): Don't call clear_storage if REG of wrong size.
10349 * flow.c (init_propagate_block_info): Don't mark frame dead at end
10350 of function if returns wiht stack pointer depressed.
10352 2000-09-01 Andrew Haley <aph@redhat.com>
10354 * dwarf2out.c (stack_adjust_offset): New function.
10355 (dwarf2out_stack_adjust): Break out stack adjust logic into
10356 new stack_adjust_offset function. Look inside parallels and
10357 sequences for stack adjustments.
10359 2000-08-31 Jeff Law <law@cygnus.com>
10361 * arm.md: Use no_new_pseudos to determine when it is safe
10362 to create new pseudo registers.
10364 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
10365 when we can safely allocate new registers.
10367 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
10369 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
10370 so that CONCATs are not generated for ASMs.
10371 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
10372 not generating_concat_p.
10373 * function.c (pop_function_context_from): Reset
10374 generating_concat_p.
10375 (prepare_function_start): Likewise.
10376 * rtl.c (generating_concat_p): Define.
10377 * rtl.h (generating_concat_p): Declare.
10378 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
10380 2000-08-22 Philipp Thomas <pthomas@suse.de>
10381 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
10383 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
10386 2000-08-30 Greg McGary <greg@mcgary.org>
10388 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
10389 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
10390 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
10392 2000-08-30 Greg McGary <greg@mcgary.org>
10394 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
10395 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
10396 (TREE_INT_CST): New macro.
10397 * varasm.c (const_hash, compare_constant_1, record_constant_1):
10398 Use new macro TREE_INT_CST.
10400 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
10402 * contrib.texi: Add self.
10404 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
10406 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
10407 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
10410 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10412 * fixinc/gnu-regex.c: Don't define `const'.
10414 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10416 * expr.c (store_constructor): Allow variable bounds of array type.
10417 (expand_expr): Don't blow up if type is ERROR_MARK.
10418 * varasm.c (output_constructor): Don't access lower bound of array
10419 type unless need it if index is supplied (so it can be a variable
10420 if no index is supplied).
10421 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
10422 Other minor cleanups.
10424 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10426 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
10427 for compilations in stage 1 and subsequent stages, respectively.
10428 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
10429 * configure: Rebuilt.
10430 * x-vax, x-vax-gcc: Deleted.
10432 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10434 * c-common.c (declare_function_name): Use func_id_node,
10435 function_id_node, and pretty_function_id_node. Do not make
10436 __func__ visible at file scope.
10437 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
10438 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
10439 (function_id_node, pretty_function_id_node, func_id_node): New
10441 * c-decl.c (init_decl_processing): Initialize function_id_node,
10442 pretty_function_id_node, and func_id_node.
10443 (c_make_fname_decl): Correct comment.
10445 * tree.h (struct tree_identifier): Constify pointer member.
10447 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
10448 * c-pragma.h (struct weak_syms): Constify name and value members.
10449 (add_weak): Constify arguments.
10451 * calls.c (special_function_p): Constify a char *.
10452 (expand_call): Remove variable which is initialized and then
10454 * dependence.c (struct def_use, struct induction, struct subscript):
10455 Constify 'variable' member.
10456 (get_low_bound, have_induction_variable): Constify char * argument.
10457 (find_induction_variable): Add braces to avoid dangling else.
10458 (classify_dependence): Constify char * arrays.
10459 * profile.c (output_func_start_profiler): Constify a char *.
10460 * stor-layout.c (finalize_record_size): Constify a char *.
10461 * tree.c (is_attribute_p): Constify a char *.
10462 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
10464 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
10465 for comprehensibility. Do not call get_identifier if we did
10466 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
10467 create temporary string constants, not ggc_alloc_string. No
10468 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
10469 char * to hold IDENTIFIER_POINTERs.
10471 2000-08-29 Richard Henderson <rth@cygnus.com>
10473 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
10476 2000-08-29 Richard Henderson <rth@cygnus.com>
10478 * reload.c (push_secondary_reload): Allow class == reload_class
10479 if we're using a reload_in/out pattern.
10481 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
10482 the half that does not conflict with the reload register.
10483 (reload_outti): Likewise.
10485 2000-08-29 Kazu Hirata <kazu@hxi.com>
10487 * reload.c: Fix formatting.
10489 * stmt.c: Fix formatting.
10491 * gcc.c: Fix formatting.
10493 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10495 * flags.h (time_report, mem_report): New global flags.
10496 * toplev.c: Define time_report and mem_report.
10497 (f_options): Add -ftime-report and -fmem-report.
10498 (compile_file): Turn on time_report if quiet_flag is off.
10499 Call ggc_print_statistics at very end if mem_report is on.
10500 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
10502 * ggc-common.c (ggc_print_statistics): Rename to
10503 ggc_print_common_statistics; all callers changed. Scale
10504 quantities above 10K to kilobytes and above 10M to megabytes.
10505 * ggc-page.c (ggc_page_print_statistics): Rename to
10506 ggc_print_statistics. Report memory consumed by internal data
10507 structures for each allocation bucket. Scale quantities above
10508 10K to kilobytes and above 10M to megabytes.
10509 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
10510 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
10511 Define tally_leaves always.
10512 (ggc_print_statistics): New function.
10513 * ggc.h: Adjust for renamed functions.
10515 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
10517 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
10518 output_movsisf instead of which_alternative.
10520 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
10522 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
10524 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
10525 (avr_progmem_p): New prototype.
10526 (output_movsisf): Prototype declaration changed.
10527 (output_movqi): New prototype.
10528 (output_movhi): New prototype.
10529 (call_insn_operand): Likewise.
10530 (final_prescan_insn): Likewise.
10531 (avr_simplify_comparision_p): Likewise.
10532 (avr_normalize_condition): Likewise.
10533 (compare_eq_p): Likewise.
10534 (out_shift_with_cnt): Likewise.
10535 (const_int_pow2_p): Likewise.
10536 (output_reload_inhi): Prototype declaration changed.
10538 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
10539 (ldi_reg_rtx): New. rtx for r31.
10540 (avr_init_stack): Initialize as "__stack".
10541 (function_prologue): Use it.
10542 Replace all TARGET_ENHANCED with AVR_ENHANCED.
10543 (avr_mcu_name): Initialize as "avr2".
10544 (avr_enhanced_p, avr_mega_p): New variables.
10545 (mcu_types, avr_override_options): Handle all known MCU types.
10546 Also handle avr1 (only preprocess, assemble and link).
10547 (print_operand): Using of `%K' in output template removed.
10548 (out_movqi_r_mr): Optimized.
10549 (out_movhi_r_mr): Likewise.
10550 (output_movqi): New function.
10551 (output_movhi): Likewise.
10552 (out_movsi_r_mr): Optimized.
10553 (output_movsisf): Compute insn length for `adjust_insn_length'
10554 (out_movqi_mr_r): Optimized.
10555 (out_movhi_mr_r): Optimized.
10556 (adjust_insn_length): Use output_movsisf, output_movqi,
10557 output_movhi for insn length adjusting.
10558 (reg_unused_after): Use dead_or_set_p.
10559 (preferred_reload_class): Now havn't any restriction.
10560 (reg_was_0): New function.
10561 (io_address_p): Likewise.
10562 (const_int_pow2_p): Likewise.
10563 (output_reload_inhi): Likewise.
10564 (output_reload_insisf): Likewise.
10566 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
10567 (LIB_SPEC): Use -lc for all supported devices.
10568 (LIBGCC_SPEC): Use -lgcc for all supported devices.
10569 (AVR_MEGA): Define as avr_mega_p.
10570 (AVR_ENHANCED): New, define as avr_enhanced_p.
10571 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
10572 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
10573 (CRT_BINUTILS_SPECS): Handle all known MCU types.
10574 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
10575 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
10576 (ASM_SPEC): Pass -mmcu=... to the assembler.
10577 Change all -DAVR_* to -D__AVR_*__.
10578 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
10579 Rename library functions to start with two underscores.
10580 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
10582 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
10583 (SUPPORTS_WEAK): Likewise.
10584 (LDI_REG_REGNO): New. Register r31 will be used as temporary
10585 register for loading constants to r0-r14.
10587 * config/avr/avr.md: Replace all TARGET_ENHANCED with
10589 (*mov_r_sp): Removed. Handled by output_movhi.
10590 (*mov_sp_r): Likewise.
10591 (*mov_sp_r_no_interrupts): Likewise
10592 (*mov_sp_r_tiny): Likewise.
10593 (*movqi): Use output_movqi.
10594 (*reload_inqi): New.
10595 (*movhi): Use output_movhi.
10596 (*reload_inhi): New.
10597 (*negsi2): Optimized.
10598 (*negsf2): Likewise.
10599 Added peepholes (define_peephole2) for loading constants to r0-r14
10600 and for using `cpse' command.
10602 * config/avr/libgcc.S: Rename library functions to start with two
10604 Add support for enhanced core.
10605 (_moqhi3): Fix typo, now _modqi3.
10606 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
10607 (__prologue_saves__): Remove test for stack adjust by 0.
10608 (__tablejump__): New.
10610 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
10611 Add multilib support.
10613 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
10615 * loop.c (prescan_loop): Don't check unknown_address_altered
10616 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
10617 to loop_store_mems as necessary.
10618 (loop_invariant_p): Don't check unknown_address_altered
10619 or unknown_constant_address_altered.
10621 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10623 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
10625 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
10627 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
10628 print just the filename.
10629 * cpplex.c (_cpp_run_directive): Add additional argument, the
10630 name to give the synthetic buffer. This defaults to
10631 translated "<command line>".
10632 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
10634 (_cpp_define_builtin): New function.
10635 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
10636 * cpphash.h: Update prototypes.
10638 * tradcpp.c (main): Process -D and -U simultaneously, in the
10639 order they appeared on the command line.
10641 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10643 * c-decl.c (define_label): Call warning_with_file_and_line and
10644 error_with_file_and_line instead of plain warning or error.
10646 * c-parse.in (label): Use save_filename/save_lineno to ensure
10647 correct values for calls to define_label.
10649 2000-08-29 Mark Mitchell <mark@codesourcery.com>
10651 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
10653 * expr.c (expand_expr, case TARGET_EXPR): Don't call
10655 * tree.h (get_file_function_name): Remove two duplicate
10658 2000-08-28 Kazu Hirata <kazu@hxi.com>
10660 * tree.c: Fix formatting.
10662 * xcoffout.c: Fix formatting.
10664 2000-08-28 Jason Merrill <jason@redhat.com>
10666 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
10668 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10670 * dwarf2out.c (dwarf2out_finish): Don't bother calling
10671 break_out_includes if it won't do anything.
10673 2000-08-28 Richard Henderson <rth@cygnus.com>
10675 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
10676 (find_reloads): Likewise.
10677 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
10678 (reload_inhi): Likewise.
10680 2000-08-28 Richard Henderson <rth@cygnus.com>
10682 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
10683 (call_insn_operand): Don't expect a surrounding mem.
10684 (constant_call_address_operand): Likewise.
10685 * config/i386/i386.h (PREDICATE_CODES): Update.
10686 * config/i386/i386.md (call patterns): Move the match_operand
10687 for the call destination inside the mem.
10689 2000-08-28 Richard Henderson <rth@cygnus.com>
10691 * local-alloc.c (requires_inout): Don't use reserved range for
10692 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
10693 * recog.c (asm_operand_ok): Likewise.
10694 (preprocess_constraints, constrain_operands): Likewise.
10695 * regclass.c (record_reg_classes): Likewise.
10696 * reload.c (find_reloads): Likewise.
10697 * reload1.c (maybe_fix_stack_asms): Likewise.
10698 (reload_cse_simplify_operands): Likewise.
10699 * stmt.c (expand_asm_operands): Likewise.
10701 * md.texi: Update constraints documentation.
10702 * tm.texi (EXTRA_CONSTRAINT): Update.
10704 2000-08-28 Daniel Berlin <dberlin@redhat.com>
10706 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
10707 (print_die): If we don't know the offset of the
10708 target die, try the symbol. Add a trailing newline.
10709 (reverse_all_dies): New fn.
10710 (dwarf2out_finish): Call it.
10711 (break_out_includes): Reorganize for clarity.
10712 (add_sibling_attributes): Don't call reverse_die_lists.
10713 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
10715 * flags.h: Add flag_eliminate_dwarf2_dups.
10716 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
10718 2000-08-28 Jason Merrill <jason@redhat.com>
10720 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
10721 * dwarf2out.c: #include "md5.h".
10722 (DIE_LABEL_PREFIX): New macro.
10723 (dw_val_struct): Add 'external' flag to val_die_ref.
10724 (add_AT_die_ref, AT_ref): Adjust.
10725 (AT_ref_external, set_AT_ref_external): New fns.
10726 (build_abbrev_table): Call set_AT_ref_external.
10727 (value_format): Call AT_ref_external.
10728 (die_struct): Add die_symbol field.
10729 (new_die): Clear it.
10730 (dwarf_tag_name): Handle BINCL/EINCL.
10731 (dwarf2out_start_source_file): Add BINCL DIE.
10732 (dwarf2out_end_source_file): Add EINCL DIE.
10733 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
10734 (loc_checksum, attr_checksum, die_checksum): New fns.
10735 (is_type_die, is_comdat_die, is_symbol_die): New fns.
10736 (compute_section_prefix, assign_symbol_names): New fns.
10737 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
10738 (output_die): Call output_die_symbol and AT_ref_external.
10739 (output_comdat_comp_unit): New fn, split out from...
10740 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
10742 (output_pubnames, output_aranges): Abort if we see entries from
10744 * toplev.h: Declare file_name_nondirectory.
10745 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
10746 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
10747 (debug_start_source_file): Call dwarf2out_start_source_file
10748 regardless of debug verbosity.
10749 (debug_end_source_file): Similarly.
10750 * tree.h: Declare clean_symbol_name.
10751 * tree.c (clean_symbol_name): Split out from...
10752 (get_file_function_name_long): ...here.
10754 * dwarf2out.c (new_loc_descr): Use calloc.
10755 (splice_child_die): Remove the die from the right parent.
10756 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
10758 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10760 * toplev.c (decode_g_option): Don't give warning for unknown -g
10761 option; return 0 instead.
10762 (main): If -g option is not recognized by front end or
10763 language-independent code, give warning.
10765 2000-08-28 Greg McGary <greg@mcgary.org>
10767 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
10768 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
10769 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
10771 2000-08-27 Greg McGary <greg@mcgary.org>
10773 * cpplex.c (parse_string): Don't look for backslash
10774 before first char in `namebuf'.
10775 * loop.c (strength_reduce): Skip NOTEs.
10777 2000-08-27 Jason Merrill <jason@redhat.com>
10779 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
10780 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
10781 TREE_ASM_WRITTEN, either.
10782 (finish_decl): Adjust.
10784 2000-08-28 Philipp Thomas <pthomas@suse.de>
10786 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
10787 they have been incorporated into the gettext CVS. Change the text to
10788 reflect the current status of NLS. Add instructions for accessing
10789 the gettext CVS and add the patch from Martin v. Loewis.
10791 2000-08-27 Geoff Keating <geoffk@cygnus.com>
10793 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
10794 by using gen_lowpart_common.
10795 (movdi_internal64+6): Likewise.
10797 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
10799 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
10802 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
10803 numbers to the ranges used by GDB.
10805 2000-08-25 Richard Henderson <rth@cygnus.com>
10807 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
10808 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
10809 (ia64_expand_prologue): Likewise.
10810 (ia64_setup_incoming_varargs): Set it. Properly skip the current
10811 argument for stdargs.
10813 2000-08-25 Jason Merrill <jason@redhat.com>
10815 * integrate.c (expand_inline_function): Pull out the original decl.
10817 2000-08-25 Jim Wilson <wilson@cygnus.com>
10819 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
10821 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
10823 2000-08-25 Greg McGary <greg@mcgary.org>
10825 * flow.c (dump_edge_info): Use ARRAY_SIZE.
10826 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
10828 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
10830 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
10832 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
10834 * i386.c (ix86_find_base_term): New.
10835 * i386-protos.h (ix86_find_base_term): Prototype.
10836 * i386.h (FIND_BASE_TERM): Define.
10837 * alias.c (find_base_term): Use it.
10838 * tm.texi (FIND_BASE_TERM): Document it.
10840 * alias.c (true_dependence, write_dependence_p): Unchanging
10841 memory can't conflict with non-unchanging memory.
10843 * alias.c (memrefs_conflict_p): A BLKmode reference
10844 to a symbol (or CONST_INT address) always conflicts
10845 with a reference to another symbol.
10847 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
10849 * c-common.c (time_char_table): Don't allow width and flags with
10852 2000-08-25 Jakub Jelinek <jakub@redhat.com>
10854 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
10855 way as LT and LTU when the second operand has 0 in low word.
10857 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10859 * basic-block.h (struct loop): Rename `exits' field to
10860 `exit_edges'. Add `entry_edges' and `num_entries' fields.
10862 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
10863 (flow_loop_entry_edges_find): Add.
10864 (flow_edge_list_print): Rename from flow_exits_print.
10865 (flow_loops_find): Call flow_loop_entry_edges_find.
10866 (flow_loop_dump): Dump entry_edges list.
10867 (flow_loops_free): Free entry_edges.
10869 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10871 * loop.c (loop_dump_aux, debug_loop): New functions.
10872 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
10874 * flow.c (flow_loops_dump): Add callback parameter.
10875 (flow_loop_dump): Add callback parameter and call it. Move
10876 loop note debugging code to loop_dump_aux.
10878 * basic-block.h (flow_loop_dump): Add callback parameter
10879 (flow_loops_dump): Likewise.
10881 * toplev.c (rest_of_compilation): Add NULL callback function pointer
10882 to call to flow_loops_dump.
10884 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10886 * loop.c (count_loop_regs_set): Replace start and end arguments
10887 with loop argument. All callers udated.
10889 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10891 * loop.c (constant_high_bytes): Delete.
10893 2000-08-26 Michael Hayes <mhayes@cygnus.com>
10895 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
10896 and NOTE_INSN_LOOP_VTOP to...
10897 (find_and_verify_loops) ...here.
10899 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
10901 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
10902 (fini_dummy, init_dummy): Use it.
10904 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
10906 * cpplex.c (is_macro_disabled): Caller has already checked
10907 that we're not a preprocessed file.
10909 2000-08-24 Mark Mitchell <mark@codesourcery.com>
10911 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
10912 (c-iterate.o): Remove target.
10913 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
10914 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
10915 (finish_decl): Don't handle iterators.
10916 (grokdeclarator): Likewise.
10917 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
10918 * gcc/c-gperf.h: Regenerated.
10919 * gcc/c-iterate.c: Removed.
10920 * gcc/c-lex.c (init_lex): Don't handle iterators.
10921 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
10922 (compstmt_primary_start): Remove push_iterator_stack call.
10923 (stmt): Don't allow iterator statements. Replace iterator_expand
10924 with expand_expr_stmt.
10925 (all_iter_stmt): Remove.
10926 (all_iter_stmt_simple): Likewise.
10927 (all_iter_stmt_with_decl): Likewise.
10928 * gcc/c-tree.h (ITERATOR_P): Remove.
10929 (ITERATOR_BOUND_P): Likewise.
10930 (init_iterators): Remove declaration.
10931 (iterator_expand): Likewise.
10932 (iterator_for_loop_start): Likewise.
10933 (iterator_for_loop_end): Likewise.
10934 (iterator_for_loop_record): Likewise.
10935 (push_iterator_stack): Likewise.
10936 (pop_iterator_stack): Likewise.
10937 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
10938 (readonly_warning): Likewise.
10939 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
10941 2000-08-24 Jim Wilson <wilson@cygnus.com>
10943 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
10944 Copy type in a TYPE_DECL, just like pushdecl does.
10946 2000-08-24 Richard Henderson <rth@cygnus.com>
10948 * toplev.c (main): Enable flag_reorder_blocks at -O2.
10950 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10952 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
10953 asked for one page, allocate GGC_QUIRE_SIZE of them and put
10954 the extras on the free list.
10955 (release_pages): Clean up.
10956 (ggc_set_mark): Don't adjust G.allocated here...
10957 (sweep_pages): ... do it here.
10959 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
10961 * cppfiles.c (read_include_file): Rearrange initializations.
10963 2000-08-24 Richard Henderson <rth@cygnus.com>
10965 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
10967 * config/ia64/ia64-protos.h: Update.
10968 * config/ia64/ia64.c (gr_register_operand): New.
10969 (fr_register_operand, grfr_register_operand): New.
10970 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
10971 (grfr_reg_or_8bit_operand): New.
10972 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
10973 use gr_register_operand.
10974 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
10975 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
10976 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
10977 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
10978 (fr_reg_or_fp01_operand): Likewise.
10979 (not_postinc_memory_operand): New.
10980 (ia64_split_timode): Remove unused variables.
10981 (rtx_needs_barrier): Check arguments to cmpxchg.
10982 (builtin_description): Remove.
10983 (bdesc_2argsi, bdesc_2argdi): Remove.
10984 (ia64_init_builtins): Declare all builtins directly.
10985 (ia64_expand_fetch_and_op): Rewrite to be called from
10986 ia64_expand_builtin directly. Use expand_binop and co.
10987 (ia64_expand_op_and_fetch): Likewise.
10988 (ia64_expand_compare_and_swap): Likewise.
10989 (ia64_expand_binop_builtin): Remove.
10990 (ia64_expand_lock_test_and_set): New.
10991 (ia64_expand_lock_release): New.
10992 (ia64_expand_builtin): Use them.
10993 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
10994 (EXTRA_CONSTRAINT): Use it.
10995 (PREDICATE_CODES): Update.
10996 * config/ia64/ia64.md (*): Use gr_register_operand and co.
10997 (mf): Indicate that we set memory as well as use it.
10998 (fetchadd_acq_si): Show memory being modified as well.
10999 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
11000 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
11001 (lock_test_and_set_si, lock_test_and_set_di): Remove.
11002 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
11003 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
11004 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
11005 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
11006 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
11007 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
11008 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
11009 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
11010 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
11011 return type. Pretty print definitions.
11013 2000-08-24 Jim Wilson <wilson@cygnus.com>
11015 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
11016 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
11018 2000-08-24 Jason Merrill <jason@redhat.com>
11020 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
11021 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
11022 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
11023 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
11025 2000-08-24 Greg McGary <greg@mcgary.org>
11027 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
11028 and extendtab within their proper array boundaries.
11029 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
11030 for the entire array.
11032 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
11033 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
11034 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
11035 * config/fr30/fr30.c (fr30_print_operand): Likewise.
11036 * config/i386/dgux.c (output_options): Likewise.
11037 * config/i386/dgux.h (ASM_FILE_START): Likewise.
11038 * config/m88k/m88k.c (output_options): Likewise.
11039 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
11040 * config/mcore/mcore.c (mcore_output_inline_const_forced,
11041 layout_mcore_frame, handle_structs_in_regs): Likewise.
11042 * config/mips/mips.c (output_block_move): Likewise.
11043 * config/rs6000/rs6000.c (rs6000_override_options,
11044 rs6000_file_start): Likewise.
11045 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
11046 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
11047 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
11048 * builtins.c (expand_builtin_setjmp): Likewise.
11049 * expr.c (safe_from_p): Likewise.
11050 * flow.c (life_analysis): Likewise.
11051 * fold-const.c (size_int_type_wide): Likewise.
11052 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
11053 * genattrtab.c (make_length_attrs): Likewise.
11054 * genopinit.c (gen_insn): Likewise.
11055 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
11056 * global.c (global_alloc): Likewise.
11057 * local-alloc.c (find_free_reg): Likewise.
11058 * mips-tdump.c (print_symbol): Likewise.
11059 * mips-tfile.c (parse_def, parse_input): Likewise.
11060 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
11061 * stmt.c (expand_nl_goto_receiver): Likewise.
11062 * stor-layout.c (set_sizetype): Likewise.
11063 * varasm.c (decode_reg_name): Likewise.
11064 * toplev.c (decode_f_option, decode_W_option,
11065 set_target_switch, print_switch_values): Likewise.
11066 (NUM_ELEM): Remove macro.
11067 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
11069 2000-08-24 Greg McGary <greg@mcgary.org>
11071 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
11072 (MAIN_NAME_P, main_identifier_node): New macros.
11073 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
11074 * c-decl.c (start_decl, grokdeclarator, start_function,
11075 store_parm_decls, finish_function): Use MAIN_NAME_P.
11076 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
11077 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
11078 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
11079 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
11081 2000-08-24 Greg McGary <greg@mcgary.org>
11083 * cppfiles.c (actual_directory): Don't write beyond `dir'
11084 when it contains "".
11085 * real.c (asctoeg): Stay within bounds of etens[][].
11087 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089 * dependence.c (dependence_string, direction_string,
11090 dump_one_node, dump_node_dependence): Hide unused identifiers.
11091 (get_low_bound, normalize_coefficients): Match definition to
11093 (get_one_coefficient): Initialize variables `value0_is_idx' and
11095 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
11096 (ziv_test): Delete variable `idx', use parameter `sub' instead.
11097 (direction_merge): Avoid automatic aggregate initialization.
11098 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
11099 Initialize variables `dest_idx' and `src_idx'.
11100 (end_dependence_analysis): Avoid C89 style function definition.
11102 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
11104 * c-common.c (time_char_table): Don't allow width with %F.
11105 (check_format_info): Don't allow "Z" length with scanf.
11107 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
11109 * diagnostic.c (finish_diagnostic): Define.
11110 (output_do_printf): Use wrap_text instead of output_add_string.
11111 (default_print_error_function): Avoid embedded '\n'.
11113 * diagnostic.h (flush_diagnostic_buffer): Declare.
11115 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
11117 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
11119 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
11121 * Makefile.in (GCC_PASSES): Add specs.
11123 2000-08-23 Jim Wilson <wilson@cygnus.com>
11125 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
11126 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
11127 EHANDLER nor UHANDLER bit is set.
11128 (__get_except_table): Likewise.
11130 2000-08-23 Nick Clifton <nickc@redhat.com>
11132 * config/arm/lib1funcs.asm: Replace upper case condition codes
11133 with lower case versions.
11135 * config/arm/arm.h (STRUCT_VALUE): Define.
11136 (STRUCT_VALUE_REGNUM): Delete.
11138 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
11140 * cpphash.h (IN_I): New flag for directive table.
11141 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
11143 (_cpp_check_directive): If -fpreprocessed, execute directives
11144 marked with IN_I. Issue no warnings in this case.
11145 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
11147 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
11149 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
11151 (check_format_info): Support printf 'I' flag; warn about it with
11154 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
11156 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
11157 barrier can't be ignored by the alias analysis code.
11159 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
11161 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
11162 works inside fixincl.
11164 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
11166 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
11167 simplify_relational_operation() unless both operands are of
11169 * cse.c (fold_rtx): Likewise.
11171 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
11173 * rtlanal.c (rtx_unstable_p): The pic register is stable
11174 (within one function) and the actual rtx should be used
11175 when checking the registers.
11176 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
11178 * alias.c (true_dependence, write_dependence_p): Fix
11179 bug in previous patch.
11181 * i386.c (ix86_GOT_alias_set): New.
11182 (legitimize_pic_address): Use it.
11184 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
11185 only stable if its address is stable.
11186 (rtx_varies_p): An unchanging MEM can't vary if
11187 its address doesn't vary.
11189 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11191 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
11193 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11195 * vax.h (ASM_SPEC): Pass `-J' to assembler.
11196 * x-vax-gcc: New file for bootstrapping with gcc.
11197 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
11198 * configure.in: Use x-vax-gcc with gcc.
11199 * configure: Rebuilt.
11201 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11203 * toplev.c (rest_of_compilation): Rebuild label notes after
11204 post-reload splitting pass if new labels have been created.
11206 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11208 * diagnostic.h (output_buffer_state): New macro.
11209 * diagnostic.c (diagnostic_for_decl, sorry,
11210 default_print_error_function, output_do_verbatim,
11211 report_diagnostic, report_problematic_module): Use it.
11212 (wrap_text): Tweak.
11213 (output_format): Use wrap_text instead of maybe_wrap_text.
11215 2000-08-22 Nick Clifton <nickc@redhat.com>
11217 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
11218 Common code for ARM divide and modulus functions.
11219 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
11221 (FUNC_END): New macro: Common code at the end of the division and
11223 (THUMB_FUNCTION_START): New macro: Common code at the start of
11225 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
11227 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11229 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
11231 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
11232 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
11235 2000-08-22 Nick Clifton <nickc@redhat.com>
11237 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
11238 restorative additions, test for bottom bits of IP being set,
11239 rather than relying upon the RORs not matching.
11242 2000-08-22 David Edelsohn <edelsohn@gnu.org>
11244 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
11245 text_section() as appropriate instead of emitting text csect
11246 pseudo-op directly.
11247 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
11248 (UNIQUE_SECTION): Define macro.
11249 (ASM_OUTPUT_SECTION_NAME): Define macro.
11250 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
11251 on AIX if debugging and -fdata-sections always.
11253 2000-08-22 Steven King <sxking@uswest.net>
11255 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
11257 (LDBL_MAX): Same here.
11259 2000-08-22 Richard Henderson <rth@cygnus.com>
11261 * flow.c (tidy_fallthru_edge): Update b->end properly.
11263 2000-08-22 Stan Cox <scox@redhat.com>
11265 * Makefile.in (OBJS): Add dependence.o.
11266 * dependence.c: New file.
11268 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
11270 * calls.c (check_sibcall_argument_overlap_1): Adjust for
11271 ARGS_GROW_DOWNWARD.
11272 (check_sibcall_argument_overlap): Likewise.
11274 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
11276 * invoke.texi (SH Options): Document -m4-nofpu,
11277 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
11278 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
11280 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
11282 * c-common.c (check_format_info): Give the 'some locales' warning
11283 for strftime %Ey rather than the unconditional 'only last 2 digits
11286 2000-08-22 Richard Henderson <rth@cygnus.com>
11288 * alias.c (init_alias_analysis): Do not register
11289 struct_value_incoming_rtx or static_chain_rtx as pointing
11292 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
11294 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
11296 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
11298 * diagnostic.h (report_problematic_module): Declare.
11299 * diagnostic.c (report_problematic_module): New function.
11300 (report_error_function): Tweak.
11302 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11304 * stmt.c (expand_goto_internal, fixup_gotos): Only check
11305 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11307 2000-08-21 Richard Henderson <rth@cygnus.com>
11309 * flow.c (calculate_global_regs_live): Mark frame pointer live
11310 everywhere before reload.
11312 2000-08-21 Jim Wilson <wilson@cygnus.com>
11314 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
11315 INTEL_EXTENDED_IEEE_FORMAT.
11316 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
11317 clear last two bytes of output FP value.
11319 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
11321 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
11323 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11325 * unroll.c (loop_find_equiv_value): If ret is modified between
11326 insn and loop_start, ret might not be equivalent to reg.
11328 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11330 * c-common.c (init_dollar_format_checking,
11331 maybe_read_dollar_number, finish_dollar_format_checking): New
11333 (dollar_arguments_used, dollar_arguments_count,
11334 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
11336 (check_format_info): Support $ formats for scanf and printf width
11337 and precision. Always increment format_chars to advance past the
11338 '*' of precision, not just when the format parameters are
11339 available to check.
11341 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11343 * mips.c (block_move_loop, expand_block_move,
11344 function_arg_partial_nregs, save_restore_insns, function_prologue,
11345 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
11347 (function_arg_advance, function_arg): Match argument to format
11350 2000-08-21 Nix <nix@esperi.demon.co.uk>
11352 * gcc.c (do_spec_1): Implement %j spec flag.
11353 Remove dead comment.
11355 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
11356 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
11357 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
11358 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
11360 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
11361 writable) instead of hardcoded value.
11363 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
11365 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
11368 * gcc.c (cc1_options): Do not process -o or run the assembler if
11370 * objc/lang-spec.h: Likewise.
11372 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
11374 * fixinc/fixincl.c (fix_with_system): Pipe the output of
11375 "external" fixes through `cat', to avoid truncating the input
11376 file by redirection.
11378 2000-08-21 Jakub Jelinek <jakub@redhat.com>
11380 * config/i386/i386.md (lea_general_1): Copy insn condition to split
11382 (lea_general_2, lea_general_3): Likewise.
11384 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11386 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
11387 warnings to user code.
11389 * c-lex.c (readescape, yylex): Likewise.
11391 * c-typeck.c (store_init_value, process_init_element): Likewise
11392 (c_expand_start_case): Format.
11394 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
11396 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
11398 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
11399 and linker_endian_spec to endian_spec.
11400 (ENDIAN_SPEC): Add %{EB} and %{EL}.
11401 (LINK_SPEC): Remove %{EB} and %{EL}.
11402 (ASM_SPEC): Likewise. Use %(endian_spec).
11404 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11406 * c-tree.h (flag_hosted): Move declaration from here...
11407 * c-common.h (flag_hosted): ... to here.
11408 (flag_noniso_default_format_attributes): New declaration.
11409 * c-decl.c (flag_noniso_default_format_attributes): New variable.
11410 (c_decode_option): Set it appropriately for options choosing
11411 language standard variant.
11412 * c-common.c (init_function_format_info): Only provide default
11413 format attributes if flag_hosted. Only provide the gettext
11414 formats if flag_noniso_default_format_attributes. Update
11416 (check_format_info): Disable treatment of %a as a scanf flag in
11419 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
11421 * c-common.c (scan_char_table): Add 'w' to flags for all formats
11423 (check_format_info): Set 'wide' for scanf format widths. Warn for
11424 a zero scanf width. Make the check for writing into a constant
11425 object at the first level of indirection; at later levels, warn if
11426 any type qualifiers are encountered.
11428 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
11430 * reload.c (reload_inner_reg_of_subreg): New function broken out of
11432 (push_reload): Use reload_inner_reg_of_subreg.
11433 (combine_reloads): Do not combine reloads if the input reload
11434 is a SUBREG in which the inner part will need reloading.
11436 * global.c (global_alloc): Avoid passing dumpfile argument to
11438 * toplev.c (rest_of_compilation): Likewise.
11439 * reload.h (reload): Remove dumpfile argument. Callers changed.
11440 (debug_reload, debug_reload_to_stream): Move prototypes here.
11441 * rtl.h (reload): Remove dumpfile argument.
11442 * reload.c (debug_reload): Remove prototype.
11443 (debug_reload_to_stream): Likewise.
11444 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
11447 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
11449 * diagnostic.c (context_as_prefix): Export.
11450 (need_error_newline): Remove.
11451 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
11452 (error_module_changed, record_last_error_module,
11453 error_function_changed, record_last_error_function): New functions.
11454 (initialize_diagnostics): Default intialize
11455 lang_diagnostic_starter, lang_diagnostic_finalizer.
11456 (init_output_buffer): Tweak.
11457 (file_name_as_prefix): New function.
11458 (announce_function, default_print_error_function,
11459 report_error_function, set_diagnostic_context): Tweak.
11461 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
11463 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
11464 condition expression.
11466 2000-08-20 Richard Henderson <rth@cygnus.com>
11468 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
11470 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
11472 * cppinit.c (cpp_init): Set global flag when called.
11473 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
11475 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
11477 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
11478 before `process_directive' so that newlines won't be missed
11480 (cpp_printf): Increment `print->lineno' when newline is emitted.
11482 * cppmain.c (cb_ident): Likewise.
11483 (cb_define): Likewise.
11484 (cb_undef): Likewise.
11485 (cb_include): Likewise.
11486 (cb_def_pragma): Likewise.
11487 (dump_macros_helper): Likewise.
11489 2000-08-20 Richard Henderson <rth@cygnus.com>
11491 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
11492 assigned before a loop.
11494 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
11495 (ashrsi3, lshrsi3): Likewise.
11497 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11499 * c-lang.c: #include diagnostic.h
11500 (c_tree_printer): New function.
11501 (lang_init): Initialize lang_printer.
11503 * Makefile.in (c-lang.o): Depends on diagnostic.h
11505 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
11507 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
11509 * diagnostic.c (default_diagnostic_starter,
11510 default_diagnostic_finalizer): New functions.
11511 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
11512 (pedwarn, pedwarn_with_file_and_line, error,
11513 error_with_file_and_line, fatal, warning,
11514 warning_with_file_and_line): Adjust call to report_diagnostic.
11515 (report_diagnostic): Rework.
11516 (set_diagnostic_context): New function.
11518 * diagnostic.h (struct diagnostic_context): New data structure.
11519 (diagnostic_message, diagnostic_argument_list,
11520 diagnostic_file_location, diagnostic_line_location,
11521 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
11522 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
11523 (set_diagnostic_context): Declare.
11524 (report_diagnostic): Change prototype.
11526 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
11528 * fix-header.c (main): Initialize cpplib.
11530 2000-08-19 Michael Meissner <meissner@redhat.com>
11532 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
11533 instructions in it before checking for indirect jumps.
11535 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
11536 in a indirect jump as a potential for conditional execution.
11538 * d30v.h (d30v_init_expanders): Don't declare here.
11539 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
11542 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
11544 * cpp.texi: Add @section for assertions.
11546 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
11548 * loop.c (scan_loop): Use CONST_CALL_P instead of
11549 checking for REG_LIBCALL / REG_RETVAL.
11551 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
11553 * reload1.c (reload_as_needed): Accept dumpfile argument,
11554 pass it to emit_reload_insns.
11555 (emit_reload_insns): Add new dumpfile argument. If non-null
11556 then dump the reloads for each insn into the dumpfile.
11557 (reload): Pass dumpfile to reload_as_needed.
11559 * invoke.texi: Clean up linux-gnu vs linux comments.
11561 2000-08-19 Richard Henderson <rth@cygnus.com>
11563 * config/ia64/ia64.c (reg_or_5bit_operand): New.
11564 (ia64_depz_field_mask): New.
11565 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
11566 (PREDICATE_CODES): Update.
11567 * config/ia64/ia64.md: Update commentary.
11568 (depz_internal): New.
11569 (ashlsi3): Implement directly.
11570 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
11571 (ashldi3): Use shladd.
11572 * config/ia64/ia64-protos.h: Update.
11574 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11576 * toplev.c (independent_decode_option): Always process -g.
11577 Remove third argument, now unused. Adjust caller to match.
11579 2000-08-18 Richard Henderson <rth@cygnus.com>
11581 * combine.c (make_compound_operation): Break after creating
11584 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
11586 * cpplib.c (cpp_register_pragma_space): Just return if the
11587 namespace is already registered.
11589 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
11591 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
11592 constant amount. Do not generate ROTL instruction.
11594 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
11596 * config/sh/elf.h: Do not include sh/sh.h.
11597 * config/sh/rtems.h: Likewise.
11598 * config/sh/rtemself.h: Do not include sh/elf.h.
11599 * configure.in: Get them included with `tm_file's.
11600 * configure: Rebuilt.
11602 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
11603 * config/sh/sh.c (fpscr_set_from_mem): Use them.
11605 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11607 * stor-layout.c (compute_record_type): Don't use mode of single
11608 field as mode of record if not integer mode of same type.
11610 * regmove.c (perhaps_ends_bb_p): New function.
11611 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
11612 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
11613 (fixup_match_1): Likewise.
11614 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
11615 avoid signed/unsigned warnings.
11617 * function.c (fixup_var_refs_1, case MEM): Update CODE after
11620 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
11622 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
11623 (_cpp_trigraph_map): Declaration moved from cpplex.c
11625 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
11626 instead of 256. Use consistent test for designated initializers.
11627 (cpp_init): Initialize trigraph_map.
11628 (initialize_standard_includes, parse_option): Use memcmp
11629 instead of strncmp.
11631 * cpplex.c (init_trigraph_map): Remove.
11632 (trigraph_ok, trigraph_replace, lex_line): Refer to
11635 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
11636 (do_unassert): Remove unused "next" local.
11638 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
11640 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
11642 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
11645 2000-08-17 Richard Henderson <rth@cygnus.com>
11647 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
11648 the first insn in a sequence.
11650 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
11652 * alias.c (true_dependence, write_dependence_p): A read
11653 involving a label_ref or the constant pool doesn't create
11656 * rtl.h (unchanging): Improve documentation.
11658 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
11660 * cse.c (insert_regs): Remove unused `regno'.
11662 2000-08-17 Neil Booth <NeilB@earthling.net>
11664 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
11665 remove_dup_dirs. If qtail == brack, remove brack not
11667 (remove_dup_dir, remove_dup_dirs): New functions.
11669 2000-08-17 Neil Booth <NeilB@earthling.net>
11671 * cppinit.c (cpp_cleanup): Free include dir chains.
11672 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
11673 (do_unassert): Free the assert with _cpp_free_definition.
11674 * cppmacro.c (_cpp_free_definition): Free memory allocated for
11675 assertions. Make the node a T_VOID node.
11677 2000-08-17 Neil Booth <NeilB@earthling.net>
11679 * cppinit.c (path_include, append_include_chain):
11680 Remove 2nd parameter (struct cpp_pending *).
11681 (path_include, initialize_standard_includes, cpp_handle_option):
11682 Update callers appropriately.
11683 (cpp_handle_option): Use pend.
11685 2000-08-17 Neil Booth <NeilB@earthling.net>
11687 * cppinit.c (sort_options): Remove, put functionality in
11690 (initialize_builtins): Free memory.
11691 (cpp_start_read): Move init_IStable to cpp_init.
11693 * cpplib.h (cpp_init): New prototype.
11694 * cppmain.c (main): Call cpp_init.
11696 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
11698 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
11699 (rtx_unstable_p, rtx_varies_p): Process vectors.
11701 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
11703 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
11704 references to GLOBAL symbols. Use LOCAL where appropriate.
11706 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11708 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
11709 use t-aix41 when host == target.
11711 2000-08-16 Richard Henderson <rth@cygnus.com>
11713 * reload.c (push_secondary_reload): Revert last change.
11714 If we use a reload_in/out pattern, make the when the same
11715 as the primary reload.
11716 (find_reloads): Likewise.
11718 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
11720 * configure.in (libstdcxx-v3): Fix test.
11721 * configure: Regenerate.
11723 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11725 * calls.c (calls_function_1, expand_call): Only test
11726 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
11727 * function.c (thread_prologue_and_epilogue_insns): Likewise.
11729 2000-08-16 Richard Henderson <rth@cygnus.com>
11731 * combine.c (simplify_shift_const): Revert previous two
11732 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
11733 before the main loop.
11735 2000-08-15 Richard Henderson <rth@cygnus.com>
11737 * combine.c (simplify_shift_const): Bound shift count when
11740 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11742 * calls.c (ECF_SP_DEPRESSED): New macro.
11743 (calls_function_1): Treat calling sp-depressed function as alloca.
11744 (emit_call_1): Don't adjust SP if calling sp-depressed function.
11745 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
11746 If sp-depressed, ensure block saves and restores SP.
11747 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
11749 * function.c (keep_stack_depressed): New function.
11750 (thread_prologue_and_epilogue_insns): Call it.
11751 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
11752 to print DECL_OFFSET_ALIGN.
11753 Print no-force-blk and transparent-union flags properly.
11754 * stmt.c (expand_goto_internal): Don't restore stack if last block
11755 and function returns with sp depressed.
11756 (fixup_gotos): Likewise.
11757 (save_stack_pointer): New function, from code in expand_decl.
11758 (expand_decl): Call new function.
11759 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
11760 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
11761 (save_stack_pointer): New declaration.
11763 * diagnostic.c (fatal_function): New variable.
11764 (set_fatal_function): New function.
11766 * diagnostic.h (set_fatal_function): New declaration.
11768 2000-08-15 William Cohen <wcohen@redhat.com>
11770 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
11771 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
11772 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
11774 2000-08-15 Richard Henderson <rth@cygnus.com>
11776 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
11778 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11780 * arm.c (arm_function_ok_for_sibcall): New function.
11781 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
11782 * arm.md (call expanders): Don't check here for calls that can't
11785 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11787 * arm.md (splits generating cond_exec): Disable.
11789 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11791 * arm/linux-elf.h (text_section): Delete declaration.
11793 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
11795 ARM support for unordered FP operations.
11796 * arm-protos.h (arm_comparison_operator): Declare.
11797 * arm.c (arm_comparison_operator): New function.
11798 (arm_select_cc_mode): Add unordered comparison codes.
11799 (get_arm_condition_code): Likewise.
11800 (arm_final_prescan_insn): Can't handle unordered jumps that can't
11801 be done in one insn.
11802 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
11803 * arm.md (all uses of comparison_operator): Replace with
11804 arm_comparison_operator.
11805 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
11807 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
11810 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
11812 * gthr-posix.h: Conditionally include <sched.h>; include
11813 <config.h> from libobjc/.
11815 2000-08-14 Richard Henderson <rth@cygnus.com>
11817 * config/i386/i386.c (legitimize_pic_address): Use Pmode
11820 2000-08-14 Richard Henderson <rth@cygnus.com>
11822 * configure.in (ia64-*): Set float_format for i386 long double.
11824 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
11825 as we would for i386 XFmode.
11826 (PUT_REAL): Likewise.
11827 (endian, ereal_atof, real_value_truncate): Likewise.
11828 (ereal_isneg, toe64, etens, make_nan): Likewise.
11829 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
11831 * config/ia64/ia64-protos.h: Update.
11832 * config/ia64/ia64.c (general_tfmode_operand): New.
11833 (destination_tfmode_operand): New.
11834 (tfreg_or_fp01_operand): New.
11835 (ia64_split_timode): New.
11836 (spill_tfmode_operand): New.
11837 (ia64_expand_prologue): Use TFmode not XFmode.
11838 (ia64_expand_epilogue): Likewise.
11839 (ia64_function_arg): Likewise.
11840 (ia64_function_arg_advance): Likewise.
11841 (ia64_return_in_memory): Likewise.
11842 (ia64_function_value): Likewise.
11843 (ia64_print_operand): Likewise.
11844 (ia64_register_move_cost): Set GR<->FR to 5.
11845 (ia64_secondary_reload_class): Get GR for TImode memory op.
11846 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
11847 (ROUND_TYPE_ALIGN): Remove.
11848 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
11849 (INTEL_EXTENDED_IEEE_FORMAT): Define.
11850 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
11851 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
11852 (MODES_TIEABLE_P): Use TFmode, not XFmode.
11853 (CLASS_MAX_NREGS): Likewise.
11854 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
11855 (PREDICATE_CODES): Update.
11856 * config/ia64/ia64.md (movti): New.
11857 (movti_internal): Use a clobber for memory alternatives.
11858 (reload_inti, reload_outti): New.
11859 (movsfcc_astep): Predicate properly.
11860 (movdfcc_astep): Likewise.
11863 (extendsftf2, extenddftf2): New.
11864 (trunctfsf2, trunctfdf2): New.
11865 (floatditf2, fix_trunctfdi2): New.
11866 (floatunsditf2, fixuns_trunctfdi2): New.
11867 (addtf3, subtf3, multf3, abstf2): New.
11868 (negtf2, nabstf2, mintf3, maxtf3): New.
11869 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
11871 (fr_spill): Use TFmode, not XFmode.
11872 (fr_restore): Likewise.
11873 * config/ia64/lib1funcs.asm (__divtf3): New.
11874 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
11876 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11878 * cse.c (fold_rtx): Avoid empty body in an if-statement.
11880 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
11881 `U' integer constant suffix.
11883 * dwarf2out.c (add_subscript_info): Avoid empty body in an
11886 * sparc/sol2.h (__enable_execute_stack): Prototype.
11888 2000-08-14 David Edelsohn <edelsohn@gnu.org>
11890 * collect2.c: Remove use of AIX import file.
11892 * longlong.h: Test ARCH_PWR not ARCH_POWER.
11894 * rs6000.c (print_operand, case 'E'): Add else.
11896 2000-08-14 Richard Henderson <rth@cygnus.com>
11898 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
11899 (movdi_symbolic): New.
11901 2000-08-14 Jim Wilson <wilson@cygnus.com>
11903 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11904 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
11905 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
11908 2000-08-14 Richard Henderson <rth@cygnus.com>
11910 * expr.c (emit_group_load): Don't force constants into registers.
11911 Special case source already in the correct mode.
11913 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
11915 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
11916 * fixinc/inclhack.def: Likewise.
11917 * fixinc/mkfixinc.sh: Likewise.
11918 * configure: Regenerate.
11919 * fixinc/fixincl.x: Regenerate.
11920 * install.texi: Document equivalence of linux and linux-gnu.
11922 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11924 * cse.c (insert_regs): Also in REG case: When finding an invalid
11925 value, and we make a new quantity, make sure that it won't be
11926 mistaken by for a valid one by mention_regs.
11928 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
11930 * h8300.md: Remove obsolete peepholes.
11932 2000-08-13 Kazu Hirata <kazu@hxi.com>
11934 * invoke.texi (H8/300 Options): Fix typos.
11935 * config/h8300.c: Fix formatting.
11936 * config/h8300.h: Fix comment typos.
11937 (OVERRIDE_OPTIONS): Fix formatting.
11939 * function.c: Fix formatting.
11941 * cse.c: Fix formatting.
11943 2000-08-13 Geoff Keating <geoffk@cygnus.com>
11945 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
11946 (attempt_auto_inc): Suppress parentheses warning.
11947 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
11948 * loop.c (load_mems): Remove `u' suffix in two places.
11949 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
11951 * config/rs6000/rs6000.h: Likewise.
11952 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
11953 __eabi dummy routine.
11954 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
11955 variable `buf_ptr'.
11957 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
11958 not put stuff in .sdata unnecessarily.
11959 (rs6000_unique_section): New function.
11960 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
11961 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
11963 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
11964 arrays in C99. Don't try to look at DECL_REGISTER of a
11965 COMPONENT_REF. Don't complain twice about the same error.
11967 * fixinc/inclhack.def (aix_pthread): New fix.
11968 (aix_sysmachine): New fix.
11969 * fixinc/fixincl.x: Regenerate.
11971 * expr.c (expand_expr): Call convert_modes when turning a large
11972 multiply into a small one.
11974 2000-08-12 Geoff Keating <geoffk@cygnus.com>
11976 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
11977 the tree structure an exponent rather than an explicit alignment
11978 so it doesn't overflow.
11979 (SET_DECL_OFFSET_ALIGN): New macro.
11980 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
11981 rather than DECL_OFFSET_ALIGN.
11982 (place_field): Likewise.
11983 * expmed.c (store_bit_field): Abort on align==0 to avoid
11984 antisocial machine behaviour.
11986 2000-08-12 Richard Henderson <rth@cygnus.com>
11988 * sibcall.c (uses_addressof): Accept both addressof and
11989 current_function_internal_arg_pointer inside a mem.
11990 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
11991 if current_function_uses_addressof.
11992 * stmt.c (expand_return): Kill tail recursion and HAVE_return
11995 2000-08-11 Richard Henderson <rth@cygnus.com>
11997 * config/ia64/ia64.md (addsi3): Remove expander.
11998 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
11999 (*addsi3_shladd): New.
12001 2000-08-11 Richard Henderson <rth@cygnus.com>
12003 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
12004 (do_restore): Likewise.
12005 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
12006 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
12007 (rtx_needs_barrier): Track actual bit manipulation for
12008 ar.unat moves, gr_spill, and gr_restore.
12009 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
12010 (process_set): Don't handle varargs spills.
12011 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
12012 .mem.offset here instead of in process_set.
12013 (gr_restore): Likewise.
12015 2000-08-11 Richard Henderson <rth@cygnus.com>
12017 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
12019 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
12021 * gcc.texi (The Configuration File): Document
12022 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
12023 UPDATE_PATH_HOST_CANONICALIZATION.
12025 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12027 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
12028 unprototyped function pointer casts on integer constants.
12030 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
12032 * fixproto: Recognize DOS paths with drive letters as absolute paths.
12034 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
12036 * extend.texi (Volatiles): Fix typos.
12038 2000-08-11 Kazu Hirata <kazu@hxi.com>
12040 * flow.c: Fix formatting.
12042 2000-08-11 Richard Henderson <rth@cygnus.com>
12044 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
12045 pattern, always allocate a tertiary scratch register.
12047 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
12048 (reload_inhi): Likewise.
12050 2000-08-11 Richard Henderson <rth@cygnus.com>
12052 * function.c (put_reg_into_stack): Allow type to be NULL.
12053 (schedule_fixup_var_refs): Likewise.
12054 (gen_mem_addressof): Allow decl to be NULL.
12055 (put_addressof_into_stack): Likewise.
12057 * flow.c (merge_blocks_nomove): Be more careful about
12058 locating the beginning of block A.
12060 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
12062 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12067 * config.in: Reverted the check for <sched.h>.
12069 2000-08-10 Chris Demetriou <cgd@sibyte.com>
12071 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
12072 macros define the name of CTOR and DTOR sections.
12073 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12074 DTOR_LIST_END): Change to use attributes to specify
12076 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
12077 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
12078 DTOR_LIST_END): Same as in mips/elf.h.
12080 2000-08-10 Drew Moseley <dmoseley@redhat.com>
12082 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
12083 disabling just crt0.o.
12085 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
12087 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
12088 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
12089 (EXTRA_SPECS): Add them.
12090 * arm/lib1funcs.asm: Support builds for interworking.
12091 Use macros to eliminate duplicated pieces of code.
12093 2000-08-10 Kazu Hirata <kazu@hxi.com>
12095 * h8300.c (expand_a_rotate): New.
12096 (emit_a_rotate): Likewise.
12097 (h8300_adjust_insn_length): Add support for the rotate insns.
12098 * h8300.md (rotlqi3): New.
12099 (*rotlqi3_1): Likewise.
12100 (rotlhi3): Likewise.
12101 (*rotlhi3_1): Likewise.
12102 (rotlhi3): Likewise.
12103 (*rotlhi3_1): Likewise.
12104 * h8300-proto.h: Add prototypes for expand_a_rotate and
12107 * h8300.c: Fix comment typos.
12108 (dosize): Declare the variable amount as unsigned.
12109 (get_shift_alg): Fix a comparison between signed and unsigned.
12110 (emit_a_shift): Likewise.
12111 (h8300_adjust_insn_length): Simplify the code.
12113 * c-decl.c: Fix formatting.
12115 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12117 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
12118 warning about non-traditional numeric constant suffixes.
12120 * cppexp.c (parse_number): Likewise.
12122 * invoke.texi: (-Wtraditional): Document new behavior.
12124 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12126 * gthr-posix.h: Include auto-host.h. Conditionally include
12128 * configure.in: Check for the <sched.h> header file.
12129 * config.in: Added define for HAVE_SCHED_H.
12131 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12133 * c-typeck.c (process_init_element): For -Wtraditional, warn about
12134 initialization of unions.
12136 * invoke.texi (-Wtraditional): Document new behavior.
12138 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
12140 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
12141 instead of extra_c_flags.
12142 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
12143 * configure: Regenerate.
12144 * config.in: Regenerate.
12146 * cpperror.c (cpp_type2name): New function.
12147 * cpplex.c (lex_line): If we issued an error for an invalid
12148 preprocessing directive, discard that logical line.
12149 * cpplib.c (do_line): Call a hook function if the current file
12150 is renamed by #line.
12151 (do_ident): Pass the contents of the string, not the entire
12152 token, to the callback function.
12153 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
12154 (cb.rename_file): New hook function.
12155 (cb.ident): Adjust prototype.
12156 (cpp_type2name): Prototype.
12157 * cppmacro.c (dump_macro_args): Correct precedence lossage.
12159 * cppmain.c (cb_ident): Update for changed interface.
12160 (cb_rename_file): New function.
12161 (main): Set rename callback.
12163 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
12165 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
12166 multi-word registers.
12168 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12170 * c-common.c (combine_strings, check_format_info): Refer to ISO C
12171 or ISO C89 instead of ANSI C.
12172 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
12173 build_enumerator, do_case): Likewise.
12174 * c-lex.c (parse_float, yylex): Likewise.
12175 * c-parse.in: Likewise.
12176 * c-typeck.c (common_type, build_array_ref, build_binary_op,
12177 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
12178 build_c_cast, convert_for_assignment, set_init_index,
12179 set_init_label, c_expand_start_case): Likewise.
12180 * toplev.c (documented_lang_options, display_help): Likewise.
12182 2000-08-08 Kazu Hirata <kazu@hxi.com>
12184 * h8300.c: Fix formatting.
12185 * h8300.h: Likewise.
12186 * h8300.md: Likewise.
12187 (movsi_h8300hs): Fix formatting of the resulting assembly code.
12189 * reload1.c: Fix formatting.
12191 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
12193 * alpha/alpha.c (alpha_emit_xfloating_libcall):
12194 Use GEN_CALL_VALUE define.
12195 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
12196 * clipper/clipper.md (untyped_call): Likewise.
12197 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
12198 * fx80/fx80.md (untyped_call): Likewise.
12199 * mips/mips.md (untyped_call): Likewise.
12200 * ns32k/ns32k.md (untyped_call): Likewise.
12201 * pa/pa.md (untyped_call): Likewise.
12202 * romp/romp.md (untyped_call): Likewise.
12203 * sparc/sparc.md (untyped_call): Likewise.
12205 2000-08-08 Jason Eckhardt <jle@cygnus.com>
12207 * config/i860/i860.c (singlemove_string): Do not generate assembler
12208 pseudo instructions that must be expanded (that is, with signed
12209 constants larger than 16 bits).
12211 2000-08-08 Richard Henderson <rth@cygnus.com>
12213 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
12214 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
12215 (init_propagate_block_info): Don't kill memory stores at -O0.
12216 (mark_set_1, mark_used_regs): Likewise.
12218 2000-08-08 David Edelsohn <edelsohn@gnu.org>
12220 * rs6000.c (optimization_options): Decorate 'level' as
12222 (mask64_operand): Remove sign-extend thinko.
12223 (rldic_operand): New function.
12224 (load_multiple_operation): regno's are unsigned ints.
12225 (store_multiple_operation): Likewise.
12226 (lmw_operation): Likewise.
12227 (stmw_operation): Likewise.
12228 (includes_lshift_p): shift_mask is unsigned int.
12229 (includes_lshift64_p): New function.
12230 (addrs_ok_for_quad_peep): unsigned int reg1.
12231 (print_operand): Consistently add "else" after
12232 output_operand_lossage().
12233 (print_operand, case 'b'): Fold in case 'W'.
12234 (print_operand, case 'W'): Print rldic MB value.
12235 (output_epilogue): Update Objective-C language string.
12236 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
12237 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
12238 * rs6000.md (ashldi3): Add rldic instruction.
12239 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
12240 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
12243 2000-08-08 Richard Henderson <rth@cygnus.com>
12245 * config/ia64/ia64-protos.h: Remove duplicates. Update
12246 for massive code rearrangements.
12247 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
12248 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
12249 (ia64_local_regs, ia64_need_regstk): Remove.
12250 (ar_ccv_reg_operand): New.
12251 (ia64_gp_save_reg): New.
12252 (struct ia64_frame_info): Combine most of the size elements;
12253 add new gr save elements.
12254 (find_gr_spill): New.
12255 (next_scratch_gr_reg): New.
12256 (mark_reg_gr_used_mask): New.
12257 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
12258 to GR backing store regs when possible.
12259 (ia64_initial_elimination_offset): New.
12260 (ia64_rap_fp_offset): Remove.
12261 (save_restore_insns): Remove.
12262 (setup_spill_pointers): New.
12263 (finish_spill_pointers): New.
12264 (spill_restore_mem): New.
12265 (do_spill, do_restore): New.
12266 (ia64_expand_prologue): Rewrite to use them.
12267 (ia64_expand_epilogue): Likewise.
12268 (ia64_direct_return): Update for current_frame_info changes.
12269 (ia64_function_prologue): Simplify .prologue emission. Emit
12270 .spill when needed.
12271 (ia64_setup_incoming_varargs): Don't ever emit rtl.
12272 (ia64_dbx_register_number): New.
12273 (ia64_initialize_trampoline): New.
12274 (ia64_secondary_reload_class): Request GR_REGS for integer
12275 arithmetic destined for FR_REGS.
12276 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
12277 (ia64_mark_machine_status): Mark ia64_gp_save.
12278 (rws_access_regno): Rename from rws_access_reg; don't treat
12279 predicates specially.
12280 (rws_access_reg): New. Update all callers.
12281 (rtx_needs_barrier): Remove dead unspecs.
12282 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
12283 (ia64_encode_section_info): Silence signed/unsigned warnings.
12284 (spill_offset, sp_offset, spill_offset_emitted): Remove.
12285 (tmp_reg, tmp_saved): Remove.
12286 (process_set): Rewrite to expect complicated bits via
12287 REG_FRAME_RELATED_EXPR.
12288 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
12289 in the use of ar.ccv; never set RTX_UNCHANGING_P.
12290 (ia64_expand_op_and_fetch): Likewise.
12291 (ia64_expand_compare_and_swap): Likewise.
12292 (ia64_expand_builtin): Likewise.
12293 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
12294 (FIRST_PSEUDO_REGISTER): Update.
12295 (AR_M_REGNO_P): Update.
12296 (FIXED_REGS): Don't mark three local registers as used.
12297 (EXTRA_CC_MODES): New.
12298 (SELECT_CC_MODE): New.
12299 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
12300 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
12301 (FRAME_GROWS_DOWNWARD): Unset.
12302 (STARTING_FRAME_OFFSET): Zero.
12303 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
12304 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
12305 (HARD_FRAME_POINTER_REGNUM): New.
12306 (CAN_DEBUG_WITHOUT_FP): Define.
12307 (TRAMPOLINE_TEMPLATE): Remove.
12308 (TRAMPOLINE_SIZE): Lower to 32.
12309 (TRAMPOLINE_ALIGNMENT): Lower to 64.
12310 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
12311 (PREDICATE_CODES): Update.
12312 (struct machine_function): Add ia64_gp_save.
12313 * config/ia64/ia64.md: Purge unused unspecs.
12314 (movsi patterns): Allow moves to/from AR_M_REGS.
12315 (movdi patterns): Allow moves to/from p0.
12316 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
12317 (gr_spill, gr_restore): Indicate ar.unat read/written.
12318 (nonlocal_goto): Don't pass old frame_pointer.
12319 (nonlocal_goto_receiver): Remove.
12320 (exception_receiver): New.
12321 (builtin_setjmp_setup): New.
12322 (builtin_setjmp_receiver): New.
12323 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
12324 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
12325 (__ia64_restore_stack_nonlocal): Likewise.
12326 (__ia64_trampoline): New.
12327 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
12329 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
12331 2000-08-08 Richard Henderson <rth@cygnus.com>
12333 * frame.h (ia64_frame_state): Add my_psp.
12334 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
12335 (__throw): Pass it in. Don't clobber r7.
12336 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
12337 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
12338 and nothing to do with sp.
12339 (normalize_reg_loc): Use frame->my_psp.
12340 (frame_translate): Handle frame-pointer-less functions. Set
12341 spill_base correctly, in absence of being told.
12342 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
12343 (__ia64_backtrace_helper): New sp argument. Use
12344 builtin_return_address instead of label addresses.
12345 (print_record) [mem_stack_v]: No size member.
12347 2000-08-08 Richard Henderson <rth@cygnus.com>
12349 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
12351 2000-08-08 Richard Henderson <rth@cygnus.com>
12353 * tm.texi (LOCAL_REGNO): Document.
12354 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
12355 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
12356 * reload1.c (reload): Likewise when considering nonlocal labels.
12358 * config/ia64/ia64.h (LOCAL_REGNO): New.
12359 * config/sparc/sparc.h (LOCAL_REGNO): New.
12361 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
12363 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
12365 2000-08-07 Nick Clifton <nickc@redhat.com>
12367 * config/mips/mips.c: Fix compile time warning messages.
12368 * config/mips/mips-protos.h: Add prototype for equality_op.
12370 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
12372 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
12374 * mn10300.md: Use nonimmediate_operand instead of general_operand
12375 on output operands.
12377 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
12379 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
12381 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
12382 * sh.c (expand_block_move): Break long lines.
12383 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
12384 * sh.md (mulsi3): Likewise.
12385 (movdi): Adjust spacing.
12387 2000-08-07 Richard Henderson <rth@cygnus.com>
12389 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
12390 * expr.c (emit_group_store): Don't set it.
12392 2000-08-07 Kazu Hirata <kazu@hxi.com>
12394 * invoke.texi (Options for Debugging Your Program or GCC): Remove
12395 duplicate entries for 'w' and 'z'.
12397 * flow.c: Fix a comment typo.
12399 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12401 * c-parse.in: Changed the language string for Objective-C to "GNU
12404 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12406 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
12407 to improve the Posix thread support for Objective-C.
12409 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
12411 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
12412 CTI_UNSIGNED_PTRDIFF_TYPE.
12413 (signed_size_type_node): Define.
12414 (unsigned_ptrdiff_type_node): Define.
12415 * c-decl.c (init_decl_processing): Create the
12416 signed_size_type_node and unsigned_ptrdiff_type_node types.
12417 * c-common.c (T_SC): Define.
12420 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
12421 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
12423 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
12424 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
12425 flags for %c, %s and %[.
12426 (check_format_info): Only allow leniency for signedness of targets
12427 of character pointers (when pedantic) for formats flagged with
12428 "c", so for strings but not for %hh formats. When pedantic, don't
12429 allow character pointers to substitute for void pointers if a
12430 second level of indirection is present.
12432 2000-08-06 Kazu Hirata <kazu@hxi.com>
12434 * invoke.texi (Options for Debugging Your Program or GCC): Update
12435 the names of dump files.
12437 * h8300.c (dosize): Rearrange code for conciseness.
12438 (split_adds_subs): Likewise.
12440 * loop.c: Fix formatting.
12442 * dwarf2out.c: Fix formatting.
12444 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
12446 * expr.c: Fix formatting.
12448 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12450 * rs6000.c (rs6000_maybe_dead): Prototype.
12452 2000-08-06 Richard Henderson <rth@cygnus.com>
12454 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
12455 HAVE_nonlocal_goto as well.
12456 * config/i960/i960.md (nonlocal_goto): Don't do it here.
12457 * config/pj/pj.md (nonlocal_goto): Likewise.
12459 2000-08-07 Michael Hayes <mhayes@cygnus.com>
12461 * loop.c (try_swap_copy_prop): New function.
12462 (load_mems): Rename copies to load_copies and add new regset
12463 store_copies. Check for sets of shadow registers and mark
12464 in store_copies. Call try_swap_copy_prop for registers
12465 marked in store_copies.
12467 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12469 * objc/objc-act.c: New command line option -fconstant-string-class
12470 to allow specifying a user defined constant string class,
12471 different from NXConstantString.
12473 * toplev.c: Moved the Objective-C specific options to
12474 objc/lang-options.h.
12476 * objc/lang-options.h: Moved the Objective-C specific options from
12477 toplev.c. Added -fconstant-string-class.
12479 2000-08-05 Chris Demetriou <cgd@sibyte.com>
12481 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12482 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
12483 __CTOR_LIST__ from func_ptr array to just func_ptr, to
12484 avoid extra alignment imposed on arrays.
12485 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12486 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
12488 * mips.h: Clean up comments and spacing near MASKs.
12489 (TARGET_UNIX_ASM): Delete.
12490 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
12491 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
12494 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
12496 * c-common.c (print_char_table): Add entries for the X/Open '
12497 format flag (print decimals with locale's thousands grouping
12498 character). Make %C expect wint_t.
12499 (check_format_info): If pedantic, warn when the %n$ operand
12500 number form is used. Allow for the ' flag; warn about it if
12503 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
12505 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
12506 type is a float mode, cfun->decl's return type is not, and
12507 TARGET_FLOAT_RETURNS_IN_80387.
12509 2000-08-04 Andreas Schwab <schwab@suse.de>
12511 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
12512 token list, which are always `#' and `pragma'.
12514 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
12516 * tree.c (tree_expr_nonnegative_p): Move to...
12517 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
12518 (rtl_expr_nonnegative_p): New.
12519 * tree.h: Add prototype for rtl_expr_nonnegative_p.
12521 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
12522 CONST_DOUBLE_CHAIN: Move to...
12523 * rtl.h: ...here. Use XCINT/XCEXP.
12525 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
12526 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
12527 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
12530 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
12532 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12534 * config/c4x/c4x.md (return_indirect_internal): New.
12535 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
12537 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12539 * c-common.c (time_char_table): Mark up formats added in C99 and
12540 make other corrections. %D and %g were added in C99. %Og is an
12541 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
12542 C99. %e was added in C99. %Oj is an extension. %G and %z are in
12543 C99 rather than GNU extensions, but %OG and %Oz are extensions.
12544 %h was added in C99. %C was added in C99. %OY and %OC are
12545 extensions. Add the C99 format %F.
12546 (check_format_info): If pedantic and not in C99 mode, warn for C99
12547 formats, %E and %O.
12549 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12551 * function.c (schedule_fixup_var_refs): New function, broken out
12552 of put_reg_into_stack.
12553 (put_reg_into_stack): Use it.
12554 (put_var_into_stack): In CONCAT case, fixup up references for
12555 components only after fixing up references to the whole concat.
12557 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
12559 * alias.c (mark_constant_function): Use INSN_P.
12560 (init_alias_analysis): Likewise.
12561 * combine.c (combine_instructions): Use INSN_P.
12562 (can_combine_p): Likewise.
12563 (try_combine): Likewise.
12564 (distribute_notes): Likewise.
12565 (distribute_links): Likewise.
12566 * cse.c (cse_around_loop): Use INSN_P.
12567 (invalidate_skipped_block): Likewise.
12568 (cse_set_around_loop): Likewise.
12569 (cse_end_of_basic_block): Likewise.
12570 (delete_trivially_dead_insns): Likewise.
12571 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
12572 (unshare_all_rtl_1): Likewise.
12573 (next_cc0_user): Likewise.
12574 (try_split make_insn_raw): Likewise.
12575 (remove_unnecessary_notes): Likewise.
12576 * final.c (shorten_branches): Use INSN_P.
12577 (leaf_renumber_regs): Likewise.
12578 (leaf_renumber_regs_insn): Likewise.
12579 * flow.c (find_label_refs): Use INSN_P.
12580 (verify_wide_reg): Likewise.
12581 (notice_stack_pointer_modification): Likewise.
12582 (count_or_remove_death_notes): Likewise.
12583 (verify_flow_info): Likewise.
12584 (clear_log_links): Likewise.
12585 * function.c (fixup_var_refs_insns): Use INSN_P.
12586 (compute_insns_for_mem): Likewise.
12587 * gcse.c (alloc_gcse_mem): Use INSN_P.
12588 (compute_sets): Likewise.
12589 (compute_hash_table): Likewise.
12590 (classic_gcse): Likewise.
12592 (insert_insn_end_bb): Likewise.
12593 (delete_null_pointer_checks_1): Likewise.
12594 * global.c (expand_preferences): Use INSN_P.
12595 (build_insn_chain): Likewise.
12596 * graph.c (node_data): Use INSN_P.
12597 * haifa-sched.c (priority): Use INSN_P.
12598 (rm_line_notes): Likewise.
12599 (rm_other_notes): Likewise.
12600 (find_insn_reg_weight): Likewise.
12601 (init_target_units): Likewise.
12602 (schedule_block): Likewise.
12603 (compute_block_forward_dependences): Likewise.
12604 (debug_dependencies): Likewise.
12605 (set_priorities): Likewise.
12606 * integrate.c (function_cannot_inline_p): Use INSN_P.
12607 (save_parm_insns): Likewise.
12608 (copy_insn_list): Likewise.
12609 * jump.c (mark_all_labels): Use INSN_P.
12610 (never_reached_warning): Likewise.
12611 * lcm.c (optimize_mode_switching): Use INSN_P.
12612 * local-alloc.c (validate_equiv_mem): Use INSN_P.
12613 (memref_used_between_p): Likewise.
12614 (update_equiv_regs): Likewise.
12615 (block_alloc): Likewise.
12616 (no_conflict_p): Likewise.
12617 * loop.c (scan_loop): Use INSN_P.
12618 (find_and_verify_loops): Likewise.
12619 (count_loop_regs_set): Likewise.
12620 (loop_reg_used_before_p): Likewise.
12621 (strength_reduce): Likewise.
12622 (recombine_givs): Likewise.
12623 (check_dbra_loop): Likewise.
12624 (load_mems): Likewise.
12625 (try_copy_prop): Likewise.
12626 * print-rtl.c (print_rtx): Use INSN_P.
12627 * recog.c (find_single_use): Use INSN_P.
12628 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
12629 (next_flags_user): Likewise.
12630 (swap_rtx_condition): Likewise.
12631 * regmove.c (mark_flags_life_zones): Use INSN_P.
12632 (optimize_reg_copy_1): Likewise.
12633 (optimize_reg_copy_2): Likewise.
12634 (optimize_reg_copy_3): Likewise.
12635 (reg_is_remote_constant_p): Likewise.
12636 (fixup_match_2): Likewise.
12637 (regmove_optimize): Likewise.
12638 (fixup_match_1): Likewise.
12639 * regrename.c (build_def_use): Use INSN_P.
12640 (replace_reg_in_block): Likewise.
12641 (consider_use): Likewise.
12642 * reload.c (find_equiv_reg): Use INSN_P.
12643 * reload1.c (reload): Use INSN_P.
12644 (maybe_fix_stack_asms): Likewise.
12645 (calculate_needs_all_insns): Likewise.
12646 (reload_as_needed): Likewise.
12647 (emit_output_reload_insns): Likewise.
12648 (delete_address_reloads_1): Likewise.
12649 (reload_cse_regs_1): Likewise.
12650 (reload_combine): Likewise.
12651 (reload_cse_move2add): Likewise.
12652 * reorg.c (redundant_insn): Use INSN_P.
12653 (dbr_schedule): Likewise.
12654 * resource.c (find_dead_or_set_registers): Use INSN_P.
12655 (mark_target_live_regs): Likewise.
12656 * rtlanal.c (reg_used_between_p): Use INSN_P.
12657 (reg_referenced_between_p): Likewise.
12658 (reg_set_between_p): Likewise.
12659 (reg_set_p): Likewise.
12660 (single_set): Likewise.
12661 (multiple_sets): Likewise.
12662 (find_last_value): Likewise.
12663 (reg_set_last): Likewise.
12664 (find_reg_note): Likewise.
12665 (find_regno_note): Likewise.
12666 * sibcall.c (sequence_uses_addressof): Use INSN_P.
12667 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
12668 * ssa.c (find_evaluations): Use INSN_P.
12669 (rename_block): Likewise.
12670 (rename_equivalent_regs): Likewise.
12671 * unroll.c (loop_find_equiv_value): Use INSN_P.
12672 (set_dominates_use): Likewise.
12673 * varasm.c (mark_constant_pool): Use INSN_P.
12674 (mark_constants): Likewise.
12675 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
12676 (alphaev4_next_group): Likewise.
12677 (alphaev5_next_group): Likewise.
12678 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
12679 (c4x_rptb_rpts_p): Likewise.
12680 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
12681 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
12682 (rs6000_adjust_priority): Likewise.
12683 * config/sh/sh.c (sh_loop_align): Use INSN_P.
12684 (machine_dependent_reorg): Likewise.
12685 (split_branches): Likewise.
12686 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
12688 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
12690 * combine.c (recog_for_combine): Remove the old notes
12691 prior to attempting to recognize the new pattern.
12692 (distribute_notes): Ignore REG_NONNEG notes.
12694 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
12696 * varasm.c (output_constructor): Add .align 0 for packed vars.
12698 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12700 * configure.in: Use default thread_file even when enable_threads is
12701 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
12702 * configure: Rebuilt.
12704 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
12706 2000-08-04 Donn Terry (donnte@microsoft.com)
12708 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
12710 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
12712 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
12713 Delete code that conditionally modifies 'version'.
12714 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
12715 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
12716 * gcc.c (main): Use it.
12717 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
12718 * prefix.c (update_path): Use it.
12719 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
12720 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
12721 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
12723 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
12724 (SUBTARGET_SWITCHES): Adjust.
12725 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
12727 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
12729 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12731 * c-common.h (flag_isoc94): Declare.
12732 * c-decl.c (flag_isoc94): Define.
12733 (c_decode_option): Set flag_isoc94 as appropriate.
12734 * c-common.c (T_PD, T_IM, T_UIM): Define.
12735 (format_char_info): Add tlen and jlen.
12736 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
12738 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
12740 (time_char_table): Add NULL entries for %t and %j.
12741 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
12742 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
12743 Warn for printf %lf if pedantic and not C99. Don't warn for empty
12744 precision. Allow precision argument to be unsigned int. If
12745 pedantic, warn for %p passed an argument not a pointer to possibly
12746 qualified void or a possibly qualified character type, and for
12747 pointer targets of the wrong sign, except for character pointers.
12749 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12751 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
12752 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
12753 (wint_type_node): Define.
12754 * c-decl.c (WINT_TYPE): Define.
12755 (init_decl_processing): Create the wint_type_node type.
12756 * c-common.c (T_WI): Define.
12757 (print_char_table): Use T_WI for %lc format.
12759 2000-08-04 Bruce Korb <bkorb@gnu.org>
12761 * fixinc/: Verified that the MSDOS patch does not break
12762 the UNIX functionality and applied the next three patches
12765 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
12767 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
12768 output file with the temporary one by appending ".X" to generate
12769 the temporary fuile's name. If the output file already has an
12770 extension, replace it with ".X".
12772 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
12773 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
12774 reallocate the command buffer while copying the command-line
12775 argument. Redirect the output directly to the temporary file,
12776 instead of going through another temporary file.
12777 (process): Close the temporary file before unlinking it.
12778 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
12779 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
12780 (run_compiles): Pass p_fixd argument to machine_matches, as it
12783 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
12784 environment, assume there are no symlinks in the include
12785 directory. When cleaning up the DONE files, look for them
12786 case-insensitively. Don't try to remove symlinks if they aren't
12789 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
12790 all callers changed. Declare pz "const char *", to avoid compiler
12793 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
12794 Change prototype of make_raw_shell_str.
12796 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
12798 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
12799 (initialize) [__MSDOS__]: Use tempnam.
12800 (initialize): Don't use SIGPIPE if it is not defined.
12802 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
12805 2000-07-25 Bruce Korb <bkorb@gnu.org>
12807 * fixinc/fix*.[ch]: substantially reworked to make it possible
12808 to run this program without using fork(2) or pipe(2) (i.e. in
12809 a DOS environment).
12811 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
12813 * cppdefault.h (WINT_TYPE): Define.
12814 * cppinit.c (builtin_array): Define __WINT_TYPE__.
12815 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
12816 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
12818 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
12820 * (mips_legitimate_address_p): Don't allow register+offset
12821 if the offset is large and negative, and we are compiling
12822 for 64 bit registers.
12824 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12826 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
12827 insn_code_number + 1.
12829 2000-08-04 Kazu Hirata <kazu@hxi.com>
12831 * h8300.c (function_prologue): Rearrange code for conciseness.
12832 (function_epilogue): Likewise.
12833 * h8300.h (OK_FOR_U): Fix formatting.
12835 * cse.c: Fix a comment typo. Fix formatting.
12837 2000-08-03 Richard Henderson <rth@cygnus.com>
12839 * config/i386/i386.md (return_indirect_internal): New.
12840 * config/i386/i386.c (ix86_expand_epilogue): Use it.
12842 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
12844 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
12846 (lex_line): Glue @ onto the beginning of identifiers and
12847 string constants, in Objective-C mode.
12848 (output_token, spell_token): Handle CPP_OSTRING.
12849 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
12850 beginning of a NAME or a STRING, in objc mode.
12852 * cpplib.c (get_define_node): Do not permit identifiers that
12853 begin with @ to be #defined.
12854 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
12855 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
12857 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
12858 * c-tree.h (build_objc_string): Delete prototype.
12859 * objc/objc-tree.def: Delete OBJC_STRING_CST.
12860 * c-lex.c (yylex): Use build_string for all three kinds of strings.
12862 * c-parse.in, objc/objc-act.c: Update commentary.
12864 2000-08-03 Mark Mitchell <mark@codesourcery.com>
12866 * extend.texi: Fix typo in last change.
12868 * extend.texi: Add commentary on statement-expressions and their
12869 interactions with C++.
12871 2000-08-03 Nick Clifton <nickc@cygnus.com>
12873 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
12874 * dwarf.h (LANG_JAVA): Change value to 0x000b.
12876 2000-08-03 Anthony Green <green@cygnus.com>
12878 * dwarf2out.c (gen_compile_unit_die): Add java language support.
12879 (add_bound_info): Check for java language.
12880 (is_java): New function.
12881 * dwarfout.c (output_compile_unit_die): Ditto.
12882 * dwarf.h (dwarf_source_language): Add java source language type.
12883 * dwarf2.h (dwarf_source_language): Ditto.
12885 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12887 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
12890 * i386.c (ix86_expand_branch): Mode of comparison in
12891 IF_THEN_ELSE is VOIDmode.
12893 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
12895 * gengenrtl.c, rtl.c: Avoid #elif.
12897 2000-08-03 Michael Poole <poole@troilus.org>
12899 * tm.texi (Register Classes): Clarify order of sub-initializers
12900 in REG_CLASS_CONTENTS.
12902 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12904 From SAITOH Masanobu:
12905 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
12907 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
12909 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
12910 is not supported by tradcpp and isn't actually needed for cygwin.
12912 2000-08-03 Kazu Hirata <kazu@hxi.com>
12914 * h8300.c: Fix a comment typo.
12915 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
12917 * jump.c: Fix formatting.
12919 * toplev.c: Fix formatting.
12921 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
12923 * flow.c (find_auto_inc): Verify that we've got a REG before
12924 peeking at its regno. Fail, don't abort if we can't find
12925 the increment of the desired register.
12927 * pa.md (shadd height reduction patterns/splitters): Remove.
12929 2000-08-02 Jim Wilson <wilson@cygnus.com>
12931 * config/ia64/ia64-protos.h (flag_ssa): Declare.
12932 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
12934 2000-08-02 Mark Mitchell <mark@codesourcery.com>
12936 * dce.c: Remove all uses of assert.
12937 * dwarf2out.c: Likewise.
12938 * dwarfout.c: Likewise.
12941 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12943 * gcc.h (lang_specific_driver): Constify second argument.
12944 * gcc.c (translate_options, process_command, main): Likewise.
12945 Constify variables to match. Cast second argument to
12948 * cppspec.c, gccspec.c: Adjust type of second argument to
12949 lang_specific_driver, and update code as necessary.
12951 2000-08-02 Jakub Jelinek <jakub@redhat.com>
12953 * loop.c (scan_loop): Ensure update_end label does not
12954 go away until reg_scan_update is run.
12956 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12958 * c-common.h: Prototype min_precision and c_build_qualified_type here...
12959 * c-tree.h: ... not here.
12960 * errors.h: Prototype fancy_abort.
12962 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
12963 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
12964 * regrename.c (regrename_optimize): Make control flow explicit.
12965 (replace_reg_in_block): Initialize reg_use to 0.
12967 * i386.c (legitimate_address_p): Rename error label to
12968 report_error to avoid namespace clash.
12970 2000-08-02 Kazu Hirata <kazu@hxi.com>
12972 * fold-const.c: Fix formatting.
12974 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
12976 * i386.c (legitimate_address_p): Accept other bases than
12977 pic_offset_table_rtx for GOTOFF constructs.
12979 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
12981 * i386.md (shift to lea splitter): Use const_int_operand.
12983 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
12985 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
12986 cppspec.c: Do not use 'legal' or 'illegal' in error messages
12989 * cppmain.c (cb_define, cb_undef): Don't generate any output
12990 if not done_initializing.
12991 * cpplex.c (maybe_paste_with_next): When the token after a ##
12992 is an omitted rest argument, only delete the token before it
12993 if that token is a comma. Do not warn about bogus token
12994 pastes for , ## rest_arg.
12996 * cpp.texi: Update.
12997 * cpp.1: Regenerate.
12999 2000-08-02 Fred Fish <fnf@be.com>
13001 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
13002 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
13005 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
13006 Be directories to search path.
13008 Remove support for __declspec(dllimport) and __declspec(dllexport).
13009 This is leftover cruft from the earlier BeOS gcc port when BeOS
13010 used Microsoft's PE object file format.
13011 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
13012 * config/i386/t-beos (winnt.o): Remove Makefile frag.
13013 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
13014 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
13015 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
13016 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
13017 (REDO_SECTION_INFO_P): Remove.
13018 (ASM_EXPORT_DECL): Remove.
13019 (ASM_DECLARE_FUNCTION_NAME): Remove.
13020 (ASM_DECLARE_OBJECT_NAME): Remove.
13021 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
13022 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
13023 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
13024 (STRIP_NAME_ENCODING): Remove.
13026 Remove support for obsolete version of BeOS that is no longer
13028 * configure.in (i*86-*-beospe*): Remove.
13029 * config/i386/beos-pe.h: Remove.
13031 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
13032 Mark Mitchell <mark@codesourcery.com>
13034 * Makefile.in (OBJS): Added dce.o.
13035 (ssa.o): Updated target to include ssa.h.
13036 (flow.o): Likewise.
13037 (toplev.o): Likewise.
13038 (dce.o): Created target.
13039 * basic-block.h: Added comments.
13040 (INVALID_BLOCK): Added definition.
13041 (connect_infinite_loops_to_exit): Added declaration.
13042 Moved SSA declarations to ssa.h.
13043 * flow.c: Added inclusion of ssa.h.
13044 (struct depth_first_search_dsS, depth_first_search_ds):
13046 (compute_immediate_postdominators): Added definition.
13047 (connect_infinite_loops_to_exit): Likewise.
13048 (flow_dfs_compute_reverse_init): Likewise.
13049 (flow_dfs_compute_reverse_add_bb): Likewise.
13050 (flow_dfs_compute_reverse_execute): Likewise.
13051 (flow_dfs_compute_reverse_finish): Likewise.
13052 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
13053 (LABEL_P): Added definition.
13054 (JUMP_P): Likewise.
13055 (NOTE_P): Likewise.
13056 (BARRIER_P): Likewise.
13057 (JUMP_TABLE_DATA_P): Likewise.
13058 (INSN_DEAD_CODE_P): Likewise.
13059 * ssa.c: Replaced inclusions with ssa.h inclusion.
13060 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
13061 (rename_registers): Removed unnecessary variables.
13062 * ssa.h: Created by moving declarations from ssa.c and
13064 * timevar.def: Defined TV_DEAD_CODE_ELIM.
13065 * toplev.c: Added ssa.h inclusion.
13066 (dump_file_index): Added DFI_dce.
13067 (dump_file): Added "dce" entry.
13069 (f_options): Added dce entry.
13070 * invoke.texi: Document -fdce. Emphasize experimental status of
13074 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
13076 * cpperror.c (v_message): Split into _cpp_begin_message and
13077 v_message macro. All callers updated.
13078 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
13081 * cppfiles.c (cpp_syshdr_flags): New function.
13082 (read_include_file): Don't call cpp_output_tokens. Call
13084 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
13085 (cpp_reader_init): Don't initialize token_buffer. Call
13086 _cpp_init_internal_pragmas.
13087 (cpp_cleanup): Don't clear token_buffer.
13088 (cpp_start_read): Don't worry about output from -D processing.
13089 Don't call cpp_output_tokens.
13090 (cpp_finish): Don't dump macros here. Don't call
13092 * cppmacro.c (_cpp_dump_definition): Rename
13093 cpp_dump_definition. Write directly to a FILE *.
13094 (dump_funlike_macro): Delete.
13095 (dump_macro_args): New.
13097 * cpplex.c (TOKEN_LEN): Convert to inline function.
13098 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
13099 cpp_scan_line, _cpp_dump_list): Delete.
13100 (cpp_printf, cpp_output_list): New.
13101 (output_line_command): Don't worry about entering or leaving files.
13102 (cpp_scan_buffer): Just output each token as we hit it.
13103 (process_directive): Don't call cpp_output_tokens.
13104 (_cpp_glue_header_name): Don't use token_buffer.
13105 (output_token, dump_param_spelling): Write directly to a FILE *.
13107 * cpplib.c (pass_thru_directive, dump_macro_name,
13108 pragma_dispatch, do_pragma_gcc): Delete.
13109 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
13110 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
13112 (do_error, do_warning, pragma_dependency): Call
13113 _cpp_begin_message, then cpp_output_list.
13114 (cpp_register_pragma, cpp_register_pragma_space,
13115 _cpp_init_internal_pragmas): New.
13116 (do_pragma): Walk the pragmas table here.
13117 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
13118 do_pragma_dependency): Return void.
13119 (do_pragma_implementation): Moved to cppmain.c.
13121 * cpplib.h: Update prototypes.
13122 (struct cpp_reader): Remove printer, token_buffer,
13123 token_buffer_size, and limit. Add struct cb, and pragmas.
13124 (struct cpp_printer): Remove last_id and written.
13125 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
13126 CPP_ADJUST_WRITTEN): Delete.
13127 * cpphash.h: Update prototypes.
13128 (ufputs): New wrapper.
13130 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
13131 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
13132 (main): Set up callbacks. Register #pragma implementation.
13133 Dump macros from here.
13135 2000-08-01 Geoff Keating <geoffk@cygnus.com>
13137 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
13138 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
13139 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
13140 insns if they have a REG_MAYBE_DEAD note attached.
13141 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
13142 (rs6000_emit_load_toc_table): TOC loads may go dead.
13144 2000-08-01 Jim Wilson <wilson@cygnus.com>
13146 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
13147 type exists before using it. Use number of words as alignment
13149 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
13150 ia64_va_arg): Propagate ia64_function_args changes here.
13152 2000-08-01 Richard Henderson <rth@cygnus.com>
13154 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
13155 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
13157 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
13159 From Joern Rennecke:
13160 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
13161 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
13162 unless TARGET_SH3E is set.
13163 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
13165 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
13166 (ashlsi3_std): New pattern.
13167 (ashlsi3 expander): Use it for TARGET_SH3.
13168 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
13170 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13172 * loop.c (canonicalize_condition): Use destination, not source to
13173 determine SET's mode.
13175 2000-07-31 Mark Mitchell <mark@codesourcery.com>
13177 * flow.c (clear_log_links): Fix typo.
13179 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
13181 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
13182 on targets which need more than one insn for a compare/cbranch
13185 2000-07-31 Jim Wilson <wilson@cygnus.com>
13187 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
13188 when computing offset.
13190 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
13192 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
13194 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13196 * flow.c (clear_log_links): Nuke global_live_at_start and
13197 global_live_at_end data, since if the log_links stuff is invalid
13198 so is global_live_at_*.
13200 2000-07-31 Richard Henderson <rth@cygnus.com>
13202 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
13204 2000-07-31 Jakub Jelinek <jakub@redhat.com>
13206 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
13207 (_cpp_get_token): Don't macro expand a just pasted token if it
13208 was pasted at no_expand_level.
13210 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13212 * cppmacro.c (find_param, count_params, save_expansion):
13213 Permit 'defined' as a macro parameter name.
13215 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13217 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
13218 xcpp to cpp throughout.
13219 (native): Remove unnecessary dependency on cpp.
13221 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
13222 tradcpp to tradcpp0.
13223 (.i spec): Add missing output-file spec to cc1 command line.
13224 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
13226 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
13228 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
13229 (implicit_decl_warning): New function.
13230 (implicitly_declare): Use it.
13231 * c-typeck.c (build_external_ref): Use implicit_decl_warning
13232 to complain about implicit decls of builtins.
13234 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
13235 based on pedantic && flag_isoc99, if not already set.
13236 * c-tree.h: Declare mesg_implicit_function_declaration.
13237 Prototype implicit_decl_warning.
13239 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
13241 * Makefile.in (ssa.o): Updated header files in dependences.
13242 * basic-block.h: Added compute_immediate_postdominators declaration.
13243 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
13245 * flow.c (compute_immediate_dominators): Updated comment.
13246 (compute_immediate_postdominators): Added definition.
13247 * rtl.h (HARD_REGISTER_P): Added definition.
13248 * ssa.c: Include additional header files.
13249 (assert): Added definition.
13250 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
13251 include select hard registers.
13252 (ssa_rename_to_insert): Likewise.
13253 (ssa_rename_from_initialize): Likewise.
13254 (ssa_rename_from_lookup): Likewise.
13255 (original_register): Likewise.
13256 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
13257 include select hard reigsters.
13258 (ssa_rename_from_traverse): Likewise.
13259 (ssa_rename_from_free): Likewise.
13260 (ssa_rename_from_print): Likewise.
13261 (ssa_rename_from_print_1): Likewise.
13262 (ssa_rename_from_hash_function): Likewise.
13263 (ssa_rename_from_equal): Likewise.
13264 (ssa_rename_from_delete): Likewise.
13265 (simplify_to_immediate_dominators): Removed in favor of
13266 flow.c:compute_immediate_dominators.
13267 (find_evaluations_1): Modified to work with hard registers.
13268 (insert_phi_node): Likewise.
13269 (insert_phi_nodes): Likewise.
13270 (struct rename_set_data): Updated prev_reg comment.
13271 (create_delayed_rename): Modified to work with hard registers.
13272 (RENAME_NO_RTX): Updated comment.
13273 (apply_delayed_renames): Modified to work with hard registers.
13274 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
13275 (rename_block): Updated to use revised ssa_rename_to interface.
13276 (rename_registers): Updated to use revised ssa_rename_to and
13277 ssa_rename_from interface.
13278 (convert_to_ssa): Revised to use compute_immediate_dominators and
13279 deal with hard registers.
13280 (make_regs_equivalent_over_bad_edges): Modified to work with hard
13281 registers. Added check for illegal unification of hard register.
13282 (make_equivalent_phi_alternatives_equivalent): Modified to work
13283 with hard registers.
13284 (compute_conservative_reg_partition): Likewise.
13285 (coalesce_if_unconflicting): Modified to work with hard registers
13286 and check for conflicting hard registers.
13287 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
13289 (rename_equivalent_regs_in_insn): Modified to work with hard
13291 (record_canonical_element_1): Added definition.
13292 (check_hard_regs_in_partition): Added definition.
13293 (convert_from_ssa): Added data structure deallocation and check
13294 for illegal hard register unification.
13295 (conflict_hard_regs_p): Added definition.
13296 * toplev.c (rest_of_compilation): Added comment.
13298 2000-07-31 Anthony Green <green@redhat.com>
13300 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
13302 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
13304 * builtins.c (expand_builtin_apply): Don't defer pop during
13307 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13309 * calls.c (combine_pending_stack_adjustment_and_call): Only use
13310 preferred_unit_stack_boundary when it is > 1.
13312 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
13314 * c-common.c (init_function_format_info): Add C99 format functions
13317 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
13318 void' or 'register void' as being the special case of 'void' alone
13319 in a parameter list.
13321 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
13322 discarding qualifiers into a plain warning.
13324 2000-07-31 Kazu Hirata <kazu@hxi.com>
13326 * combine.c: Fix formatting.
13328 * h8300.md: Fix formatting.
13330 * local-alloc.c: Fix formatting.
13332 * h8300.c (get_shift_alg): Remove the variable alg.
13333 (emit_a_shift): Rearrange code to improve readability.
13335 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
13337 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
13338 HImode on all architectures and a combination of HImode and SImode
13339 on H8/300H and H8/S.
13341 * h8300.c (split_adds_subs): Rearrange code for conciseness.
13343 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
13345 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
13346 in my last checkin.
13348 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
13350 * recog.c (extract_insn): Set operand_mode according to
13351 operand if match_operand is VOIDmode.
13353 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
13355 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
13357 2000-07-31 Geoff Keating <geoffk@cygnus.com>
13359 * c-parse.in (extdefs): Call ggc_collect between external
13362 2000-07-30 Michael Hayes <mhayes@cygnus.com>
13363 Richard Henderson <rth@cygnus.com>
13365 * Makefile.in (OBJS): Add doloop.o.
13366 * doloop.c: New file.
13368 * final.c (insn_current_reference_address): Return 0 before final.
13369 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
13370 * jump.c (any_uncondjump_p): Likewise.
13371 * loop.c (indirect_jump_in_function): Make static.
13372 (strength_reduce): Call doloop_optimize.
13373 (insert_bct, instrument_loop_bct): Remove.
13374 * loop.h (doloop_optimize): Prototype.
13375 * recog.c (split_all_insns): Split all INSN_P.
13376 * toplev.c (flag_branch_on_count_reg): Default on.
13378 * config/c4x/c4x.c (c4x_optimization_options): Don't set
13379 flag_branch_on_count_reg.
13380 * config/i386/i386.c (override_options): Likewise.
13381 * config/rs6000/rs6000.c (optimization_options): Likewise.
13383 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
13385 (dbra_ge): Remove, as well as all it's splitters.
13387 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
13390 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
13391 (ia64_register_move_cost): Declare.
13392 * config/ia64/ia64.c (ar_lc_reg_operand): New.
13393 (struct ia64_frame_info): Add ar_size.
13394 (ia64_compute_frame_size): Set it.
13395 (save_restore_insns): Save and restore ar.lc.
13396 (ia64_register_move_cost): New, moved from header file. Handle
13397 application registers.
13398 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
13399 (emit_insn_group_barriers): Special case doloop_end_internal.
13400 (ia64_epilogue_uses): Mark ar.lc live at end.
13401 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
13402 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
13403 (FIRST_PSEUDO_REGISTER): Make room.
13404 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
13405 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
13406 (REG_ALLOC_ORDER): Update.
13407 (HARD_REGNO_MODE_OK): Update.
13408 (REGISTER_NAMES): Update.
13409 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
13410 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
13411 (REGNO_REG_CLASS): Update.
13412 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
13413 (REGISTER_MOVE_COST): Move out of line.
13414 (PREDICATE_CODES): Update.
13415 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
13416 (addsi3_plus1_alt, adddi3_plus1_alt): New.
13417 (shladd_elim splitter): Allow constants in the predicate.
13418 (doloop_end, doloop_end_internal): New.
13420 2000-07-30 Richard Henderson <rth@cygnus.com>
13422 * genattrtab.c (struct insn_def): Add lineno member.
13423 (struct insn_ent): Likewise.
13424 (struct attr_desc): Likewise.
13425 (struct delay_desc): Likewise.
13426 (struct function_unit_op): Likewise.
13427 (struct function_unit): Likewise.
13428 (check_attr_value): Use message_with_line.
13429 (check_defs): Likewise.
13430 (expand_units): Likewise.
13431 (check_attr_test): Take a lineno argument.
13432 (gen_attr): Likewise.
13433 (gen_insn): Likewise.
13434 (gen_delay): Likewise.
13435 (gen_unit): Likewise.
13436 (main): Give it to them.
13437 (convert_set_attr_alternative): Take an insn_def argument
13438 instead of num_alt and insn_index.
13439 (convert_set_attr): Likewise.
13440 (write_test_expr): Protect INSN_ADDRESSES load
13441 with INSN_ADDRESSES_SET_P.
13443 2000-07-30 Richard Henderson <rth@cygnus.com>
13445 * flow.c (init_propagate_block_info): Use pc_set.
13447 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
13449 * i386.md (*lea_general_[123]) New insns and splits.
13450 (addsi3 to lea splitter): Handle other modes too.
13451 (shlsi3 to lea splitter): Likewise.
13452 (addhi_1_lea, shlhi_1_lea): New patterns.
13453 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
13455 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13457 * recog.c (general_operand, nonimmediate_operand): Accept
13458 any mode for VOIDmode CONSTANT_P operands.
13460 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13462 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
13463 instead of replace_rtx.
13464 * recog.c (validate_replace_rtx_subexp): New function.
13465 * recog.h (validate_replace_rtx_subexp): Declare.
13467 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
13469 * combine.c (simplify_set, make_extraction, make_compound_operation
13470 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
13471 as force_to_mode argument.
13473 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
13475 * combine.c (if_then_else_cond): Be sure that mode fits in
13478 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
13480 * combine.c (record_promoted_value): Allow bitsize of mode
13481 to be equivalent to HOST_BITS_PER_WISE_INT.
13483 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
13485 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
13486 Do not call gen_mode_alignment when mode is BLKmode.
13488 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
13490 * loop.c (express_from_1): Fix call of simplify_gen_binary.
13492 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
13494 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
13495 VOIDmode implies both operands to be VOIDmode.
13496 (simplify_ternary_operation): Compute properly the mode of comparison.
13497 * combine.c (combine_simplify_rtx): Likewise.
13499 2000-07-25 Michael Hayes <mph@paradise.net.nz>
13501 * basic-block.h (struct loops): New field rc_order.
13502 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
13503 (flow_loops_free): Free rc_order.
13504 (flow_depth_first_order_compute): New parameter rc_order.
13505 (flow_loops_find): Allocate rc_order and swap usage with
13508 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13509 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13511 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
13512 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
13513 (nodb_call, return_from_epilogue): Likewise.
13514 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
13515 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
13516 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
13517 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
13518 (c4x_valid_type_attribute_p): Likewise.
13519 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
13520 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
13522 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13524 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
13525 and loadhi_big_constant if applicable.
13526 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
13527 and add new splitter.s
13529 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13531 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
13533 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13535 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
13537 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13539 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
13541 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13543 * config/c4x/libgcc.S (divqf3): Improve accuracy.
13545 2000-07-27 Mark Mitchell <mark@codesourcery.com>
13547 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
13548 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
13549 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
13550 (get_prev_bb_note): Likewise.
13551 (remove_scope_notes): Likewise.
13552 * flow.c (commit_one_edge_insertion): Likewise.
13553 (merge_blocks_nomove): Likewise.
13554 (verify_flow_info): Likewise.
13555 * gcse.c (insert_insn_end_bb): Likewise.
13556 * reg-stack.c (emit_swap_insn): Likewise.
13557 * ssa.c (first_insn_after_basic_block_note): New function.
13558 (insert_phi_node): Use it.
13559 (rename_block): Likewise.
13560 (eliminate_phi): Likewise.
13561 (make_regs_equivalent_over_bad_edges): Likewise.
13562 (make_equivalent_phi_alternatives_equivalent): Likewise.
13563 (for_each_successor_phi): Likewise.
13564 (convert_from_ssa): Modify phi-node deletion algorithm.
13566 2000-07-29 Andreas Jaeger <aj@suse.de>
13568 * configure.in (mips*-*-linux*): Use mips*el to check for little
13569 endian MIPS, add tmake_file.
13571 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
13572 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
13573 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
13575 2000-07-28 Richard Henderson <rth@cygnus.com>
13577 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
13578 Sign extend mode size before negating.
13580 2000-07-28 Richard Henderson <rth@cygnus.com>
13582 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
13584 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
13586 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
13587 (cse_insn): Likewise.
13588 (addr_affects_sp_p): Likewise.
13589 * expr.c (move_by_pieces): Likewise.
13590 (clear_by_pieces): Likewise.
13591 * gcse.c (oprs_unchanged_p): Likewise.
13592 * haifa-sched.c (sched_analyze_2): Likewise.
13593 * recog.c (offsettable_address_p): Likewise.
13594 * regclass.c (record_address_regs): Likewise.
13595 * reload.c (find_reusable_reload): Likewise.
13596 (push_reload): Likewise.
13597 (operands_match_p): Likewise.
13598 (decompose): Likewise.
13599 (find_reloads_address_1): Likewise.
13600 (find_inc_amount): Likewise.
13601 * reload1.c (elimination_effects): Likewise.
13602 * resource.c (mark_set_resources): Likewise.
13603 * flow.c (attempt_auto_inc): New function; mostly broken out
13605 (find_auto_inc): Split into two functions and enhanced to
13606 generate POST_MODIFY.
13607 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
13608 * rtl.h (count_all_occurrences): Declare.
13609 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
13611 * rtlanal.c (count_all_occurrences): New function.
13612 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
13613 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
13615 * config/ia64/ia64-protos.h (destination_operand): Declare.
13616 * config/ia64/ia64.c (destination_operand): New function.
13617 (ia64_print_operand): Handle POST_MODIFY.
13618 (rtx_needs_barrier): Likewise.
13619 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
13620 (HAVE_POST_MODIFY_REG): Define to 1.
13621 (MAX_REGS_PER_ADDRESS): Change to 2.
13622 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
13623 (LEGITIMATE_ADDRESS_REG): New helper macro.
13624 (LEGITIMATE_ADDRESS_DISP): Likewise.
13625 (PREDICATE_CODES): Add entry for destination_operand.
13626 * config/ia64/ia64.md (all mov patterns): Use destination_operand
13627 predicate for operand 0.
13629 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13631 * dwarf2out.c: Indent #error directive.
13633 * gbl-ctors.h: Fix typo in comment.
13634 (__do_global_ctors): Prototype.
13636 * gcse.c (record_one_set, pre_delete): Remove unused variables.
13638 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
13639 (print_operand): Initialize variable `t'.
13641 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
13643 * config/arm/arm.md ("call_value"): removed constraints.
13644 Constraints are ignored in expanders.
13645 (*call_value_reg): split =rf into various constraints.
13646 (*call_value_mem): same
13647 (*call_value_symbol): same
13648 (*sibcall_value_insn): same
13650 2000-07-28 Philipp Thomas <pthomas@suse.de>
13652 * install.texi (--enable-nls): Change the description of the NLS
13653 related configure options to match the current state.
13654 (--with-included-gettext): Likewise.
13655 (--enable-maintainer-mode): New description added.
13656 * extend.texi (-fstrict-prototype): Add missing '.'.
13658 2000-07-27 Jim Wilson <wilson@cygnus.com>
13660 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
13661 DECL_INITIAL (decl) == NULL_TREE.
13663 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
13665 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
13666 on insn-attr.h with it.
13667 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
13668 * insn-addr.h: New header.
13669 (insn_addresses_): Renamed from insn_addresses.
13670 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
13671 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
13672 INSN_ADDRESSES_NEW): New macros.
13673 * genattrtab.c (write_test_expr): Use new macros.
13674 * final.c (insn_addresses, init_insn_lengths): Likewise.
13675 (align_fuzz, shorten_branches): Likewise.
13676 (final): Likewise. Do not reject new insns if their addresses
13677 have been added to INSN_ADDRESSES.
13678 * config/arm/arm.c, config/avr/avr.c: Use new macros.
13679 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
13680 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
13681 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
13682 * config/sh/sh.c: Likewise.
13683 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
13685 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
13687 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
13689 * gcc.c (struct prefix_list): Add member priority.
13690 (enum path_prefix_priority): Declare.
13691 (add_prefix): Replace ``first'' with ``priority''. Append new
13692 entry but keep list in priority order.
13693 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
13694 PREFIX_PRIORITY_LAST to add_prefix.
13695 (process_command): Move include kludge - foo/stageN - to before
13698 2000-07-27 Jason Merrill <jason@redhat.com>
13700 * dwarf2out.c (gen_typedef_die): Abort if we get identical
13701 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
13703 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
13705 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
13706 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
13708 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
13710 * c-decl.c (finish_function): Don't treat 'main' specially unless
13711 flag_hosted. In C99 mode, return 0 from 'main' unless
13712 DEFAULT_MAIN_RETURN is otherwise defined.
13714 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
13715 parameters defaulting to int in an old-style function definition.
13717 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13719 * c-parse.in (string): For -Wtraditional, warn about string
13720 concatenation only once per line.
13722 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
13724 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
13725 for HI-UX/WE2 systems.
13727 2000-07-24 Bruce Korb <bkorb@gnu.org>
13729 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
13730 defining the __xxx_TYPE__ macros.
13731 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
13732 * fixincl/fixlib.h: don't need to include "tm.h" anymore
13733 * fixincl/inclhack.def(type_map): now obsolete
13735 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
13737 * cpp.texi: Append a trailing full-stop to xrefs where needed.
13739 2000-07-26 Dave Pitts <dpitts@cozx.com>
13741 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
13743 (mvs_hash_alias): New function.
13744 (mvs_add_alias): Change argument spacing.
13745 (mvs_need_alias): Change aliasing criteria. Added documentation.
13746 (mvs_get_alias): Change to use hashed name. The hashed name prevents
13747 CSECT name collisions.
13748 (mvs_check_alias): Likewise.
13749 (handle_pragma): Change documentation.
13750 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
13751 mode from SImode to DImode.
13752 (iorhi3): Changed LTORG size for insn.
13754 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
13756 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
13757 mem if the address is a mode_dependent_address_p.
13759 2000-07-26 Kazu Hirata <kazu@hxi.com>
13761 * h8300.c (print_operand): Print ":8" when the 'R' operand is
13762 suitable for 8-bit absolute.
13763 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
13764 (OK_FOR_U): Add a case for the 8-bit constant address on the
13767 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
13769 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
13770 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
13771 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
13772 lack of implemented alignment.
13774 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
13776 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
13777 cross-compiling between 64-bit and 32-bit machines.
13779 2000-07-27 Richard Henderson <rth@cygnus.com>
13781 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
13782 (movhicc_astep, movhi_internal_astep): New.
13783 (movsicc_astep, movsi_internal_astep): New.
13784 (movdicc_astep, movdi_internal_astep): New.
13785 (movsfcc_astep, movsf_internal_astep): New.
13786 (movdfcc_astep, movdf_internal_astep): New.
13787 (movxfcc_astep, movxf_internal_astep): New.
13788 (cmovdi_internal_astep, cmovsi_internal_astep): New.
13789 Unify the cmov[ds]i splitters.
13791 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
13793 * real.c (asctoeg): Rename `error' label to unexpected_char_error
13795 2000-07-26 Nick Clifton <nickc@cygnus.com>
13797 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
13798 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
13800 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
13801 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
13803 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
13805 * c-decl.c (finish_enum): Convert enumerations that fit in an
13807 (build_enumerator): In pedantic mode, cast to `int' those that
13810 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
13812 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
13814 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13816 * sh.md (cmpgtdi_t): Must be split.
13817 (cmpgtdi_t+1): New splitter.
13819 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13821 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
13822 warnings for indented directives even if we are skipping.
13824 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
13826 * invoke.texi (strict-prototypes): Remove.
13827 * extend.texi (Deprecated Features): Add strict-prototypes.
13828 (Backwards Compatibility): New node.
13830 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13832 * config/i386/i386.md (andsi_1+1): Allow HImode.
13833 (andsi_1+2): Require q_regs_operand.
13835 2000-07-25 Jakub Jelinek <jakub@redhat.com>
13837 * config/i386/i386.md (call_pop): Check operands[0],
13838 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13840 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
13841 (call_value): Likewise.
13843 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
13845 * toplev.c (pipe_closed): Delete.
13846 (crash_signal): New. Generate ICE for a fatal signal.
13847 (float_signal): Call crash_signal outside a float-handler
13849 (main): Install crash_signal as handler for core-dumping signals.
13851 2000-07-25 David Edelsohn <edelsohn@gnu.org>
13853 * rs6000.c (print_operand, case 'T'): New case.
13855 * rs6000.md (call_indirect_aix32): Convert to expander of
13856 scheduled instructions.
13857 (call_indirect_aix64): Likewise.
13858 (call_value_indirect_aix{32,64}): Likewise.
13859 (call, call_value): Invoke expanders for AIX. Fall through to
13861 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
13862 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
13863 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
13864 only "g" constraint.
13865 (call_nonlocal_aix64): Likewise.
13866 (call_value_nonlocal_aix{32,64}): Likewise.
13867 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
13869 (call_value_nonlocal_sysv): New pattern.
13870 (indirect_jump{si,di}): Use new 'T' modifier.
13871 (tablejump{si,di} matchers): Likewise.
13872 (return_internal_{si,di}): Likewise.
13873 (return_eh_{si,di}): Likewise.
13875 2000-07-24 Richard Henderson <rth@cygnus.com>
13877 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
13878 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
13879 * config/ia64/ia64.md (movdi_internal): Use it.
13881 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
13883 * cppexp.c: Warn about unary + if -Wtraditional.
13884 * cpplex.c (lex_line): Always set BOL on the first token of a line.
13886 2000-07-24 Michael Meissner <meissner@redhat.com>
13888 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
13891 2000-07-24 Nick Clifton <nickc@cygnus.com>
13893 * config/arm/arm.c (emit_multi_reg_push): Generate a
13894 REG_FRAME_RELEATED_NOTE that is compatable with the code in
13895 dwarf2out_debug_frame_expr.
13897 2000-07-24 Jason Merrill <jason@redhat.com>
13899 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
13900 UNALIGNED_INT_ASM_OP.
13901 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
13902 a location expression.
13903 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
13904 assume indirect access if we're saving the CFA address exactly.
13906 * Makefile.in (bootstrap): Move -BstageN/ to the end.
13908 2000-07-24 Jakub Jelinek <jakub@redhat.com>
13910 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
13913 2000-07-24 Michael Meissner <meissner@redhat.com>
13915 * invoke.texi (D30V Options): Add d30v options.
13917 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
13919 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
13920 needed by our gcse pass anymore.
13921 (free_pre_mem): Corresponding changes.
13922 (compute_pre_data): Do not call compute_transpout anymore.
13924 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
13925 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
13928 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
13929 (compute_pre_data): Do it here instead.
13931 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
13933 (pre_delete): Corresponding changes.
13935 2000-07-23 Mark Mitchell <mark@codesourcery.com>
13937 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
13938 to figure out whether or not a variable has already been emitted.
13940 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
13942 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
13943 instead of gen_call.
13945 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
13947 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
13949 2000-07-23 Kazu Hirata <kazu@hxi.com>
13951 * h8300.c: Fix formatting.
13953 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
13955 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
13956 for `long' switch expression into a plain warning.
13958 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
13959 (yylex): Don't pedwarn for "inline" in C99 mode.
13961 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
13963 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
13964 ggc_alloc): Likewise.
13965 * bb-reorder.c (dump_scope_forest_1): Likewise.
13967 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
13969 * reload.c (find_reloads_toplev): Add new parameter
13970 "address_reloaded".
13971 (find_reloads): Add new parameter to find_reloads_toplev calls.
13973 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
13975 * collect2.c (main): Typo fixed.
13976 * diagnostic.c: Typo fixed.
13977 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
13978 * eh-common.h: Typo fixed.
13979 * emit-rtl.c (start_sequence): Typo fixed.
13980 * flow.c (find_label_refs): Typo fixed.
13981 (calculate_global_regs_live): Typo fixed.
13982 (mark_regno_cond_dead): Typo fixed.
13983 (create_edge_list): Typos fixed.
13984 (verify_edge_list): Typo fixed.
13985 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
13986 * loop.c (strength_reduce): Typo in function name fixed.
13987 * rtl.h: Added comments. Typo in function name fixed.
13988 * rtlanal.c: Typo in function name fixed.
13989 (insn_dependant_p): Rename to ...
13990 (insn_dependent_p): ... this.
13991 (computed_jumo_p): Typo fixed.
13993 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13995 * system.h (__FUNCTION__): Wrap definition in #ifndef.
13997 2000-07-21 David Edelsohn <edelsohn@gnu.org>
13999 * rs6000.h (SIZE_TYPE): Define.
14001 2000-07-21 Mark Mitchell <mark@codesourcery.com>
14003 * ssa.c (rename_insn_1): Don't rename registers that are
14006 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
14008 * diagnostic.c (trim_filename, fancy_abort): Moved here from
14010 (fatal_function, set_fatal_function): Removed.
14011 (fatal): Don't prepare for or call the fatal_function.
14012 (diagnostic_lock, error_recursion): New.
14013 (diagnostic_for_decl, report_diagnostic): Guard against
14014 re-entering the error reporting routines.
14015 (fancy_abort): Assume function is not NULL.
14017 * errors.c (fancy_abort): New. Assume function is not NULL.
14018 * tradcpp.c (fancy_abort): Assume function is not NULL.
14020 * system.h: Provide default definition of __FUNCTION__.
14021 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
14022 Always use __FUNCTION__ in definition of abort.
14023 * tree.h: Likewise.
14024 * varray.h: Likewise.
14025 * toplev.h: Likewise. Don't prototype set_fatal_function.
14027 2000-07-20 Geoff Keating <geoffk@cygnus.com>
14029 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
14031 * glimits.h: Don't do #if defined for ARCH_PPC.
14033 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
14034 constants of size no larger than a pointer should go in the TOC.
14035 Add 'MODE' parameter.
14036 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
14037 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
14038 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
14039 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
14040 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
14041 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
14042 (rs6000_legitimize_address): Likewise.
14043 (rs6000_emit_move): Likewise.
14044 (rs6000_select_rtx_section): Likewise.
14045 (output_toc): Deal properly with outputting small constants like
14046 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
14047 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
14048 MODE parameter. Put small constants in the TOC.
14050 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
14052 (rs6000_emit_move): When reload calls us with an illegitimate
14053 address, exit early. Move the change_address calls to one place
14054 at the end of the routine. Merge the SImode and DImode expanders.
14055 When called by reload to put an integer into a FP register, force
14058 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
14060 (rs6000_hash_constant): Hash mode too.
14061 (toc_hash_function): Allow for key_mode.
14062 (toc_hash_eq): Structures are different if key_mode differs.
14063 (output_toc): Add 'mode' parameter. Save key_mode.
14064 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
14065 Pass 'mode' parameter.
14066 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
14068 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
14069 for vtable references.
14071 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
14072 choice, don't put integer values in FP regs.
14074 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
14076 * flow.c (verify_flow_info): Revamp code to verify that the
14077 head and end of each basic block are in the insn chain.
14079 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
14081 * gcse.c (record_one_set): Prepend instead of append onto
14082 reg_set_table, making it O(n) instead O(n^2).
14083 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
14084 Use a queue instead of a stack as worklist.
14086 2000-07-20 Kazu Hirata <kazu@hxi.com>
14088 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
14089 * h8300.h (OK_FOR_T): New.
14090 (EXTRA_CONSTRAINT): Support OK_FOR_T.
14091 * h8300.md: Use inc/dec.[wl] for increment/decrement
14092 by 1 and 2 in HI and SI modes.
14094 2000-07-20 Jim Wilson <wilson@cygnus.com>
14096 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
14097 larger than 14 bits.
14099 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
14101 * cppmacro.c (CAN_PASTE_AFTER): New macro.
14102 (count_params): Don't set GNU_REST_ARGS on anything.
14103 (save_expansion): Set PASTE_LEFT only on tokens for which
14104 CAN_PASTE_AFTER is true, or which are named operators.
14106 * cpplex.c (parse_args): Distinguish between a rest argument
14107 given one empty argument, and a rest argument given zero arguments.
14108 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
14109 deletion of previous token based on that.
14110 (get_raw_token): Flatten some control structure.
14112 * cpplib.h (CPP_LAST_EQ): Correct.
14113 (VOID_REST): New token flag.
14114 (GNU_REST_ARGS): Delete.
14116 * tradcpp.c (main): Don't munge -D options.
14117 (make_definition): Bring -D handling in line with cpplib.
14118 (do_define): Strip all leading whitespace from macro definitions.
14120 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
14122 * Makefile.in (tradcpp): Depend on intl.o and version.o.
14124 2000-07-20 Bruce Korb <bkorb@gnu.org>
14126 * fixincl/check.tpl: strip the platform specific types before testing
14127 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
14128 * fixincl/fixincl.tpl: use platform specific types
14129 * fixincl/fixlib.h: include the platform specific types
14130 * fixincl/inclhack.def(gnu_types): don't supply the types
14131 * fixincl/fixincl.x: regen
14133 2000-07-19 Jim Wilson <wilson@cygnus.com>
14135 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
14138 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14140 * tradcpp.c (rescan): Do not recognize directives when the #
14143 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
14145 Implement C++ named operators.
14147 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
14148 of operators allowed in #if and having an _EQ variant. Add
14149 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
14150 (cpp_token flags): Add NAMED_OP.
14151 (enum node_type): Add T_OPERATOR.
14152 (struct cpp_hashnode): Add code slot to value union.
14153 * cpphash.h (spec_nodes): Remove n_defined.
14155 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
14156 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
14157 (is_macro_disabled): Tweak error messages.
14159 * cpplib.c (get_define_node): Disallow all named operators as
14160 macro names. Tweak error messages.
14161 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
14163 * cppinit.c (builtin_array): Add entries for the named operators.
14164 * cppexp.c (lex): Check for CPP_DEFINED token.
14165 (priority table): Add entries for CPP_MIN and CPP_MAX.
14166 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
14168 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
14170 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
14171 larger than the array of cuids.
14172 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
14175 2000-07-19 Bruce Korb <bkorb@gnu.org>
14177 * fixinc/fixincl.c: Convert to using a table of environment variables
14178 and activate the auto-edit marker on the fixed output files.
14179 * fixinc/fixlib.h: Define the environment table
14180 * fixinc/fixincl.sh: export the ${INPUT} dir
14181 * fixinc/check.tpl: likewise
14183 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14185 * gcc.c (.h spec): Fix typo.
14187 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
14189 * Makefile.in: Fix tradcif.c path.
14191 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
14193 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
14196 * cpphash.h (TOKEN_NAME): New macro.
14197 (_cpp_spell_operator): Deleted.
14198 (token_spellings): Now _cpp_token_spellings.
14200 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
14201 * cpplex.c: Use OP and TK macros when expanding the
14202 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
14203 store the stringification of the enumeration name (CPP_CHAR,
14204 etc.) in the name slot of token_spellings.
14205 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
14206 token_spellings directly.
14207 * cpplib.c: Use TOKEN_SPELL.
14209 * cpplex.c (_cpp_push_token): If the token being pushed back
14210 is the previous token in this context, just subtract one from
14212 * cppmacro.c (save_expansion): Clear aux field when storing a
14215 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14217 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
14218 buffer, provided it is not NULL.
14220 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
14222 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
14223 case of invalid volatile re-declaration.
14225 2000-07-18 Jakub Jelinek <jakub@redhat.com>
14227 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
14228 (expand_call): Adjust caller.
14230 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
14232 * diagnostic.h (report_diagnostic): Change prototype.
14234 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
14235 diagnostic_for_decl): Change prototype.
14236 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
14237 error, warning, error_with_file_and_line,
14238 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
14239 Adjust call to report_diagnostic, diagnostic_for_decl.
14240 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
14241 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
14243 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
14244 varaible argument list.
14246 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14248 * cpphash.c: Don't include hashtab.h. Most macro-handling code
14249 moved to cppmacro.c.
14250 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
14251 dump_hash_helper): Delete.
14252 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
14253 cpp_forall_identifiers): New. Implement specialized version of
14254 Vlad's expandable hash table.
14255 (cpp_lookup): Use new functions.
14256 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
14258 * cppmacro.c: New file.
14259 * cppinit.c (dump_macros_helper): New.
14260 (cpp_finish): Iterate over the identifier table directly.
14261 * cpplex.c (parse_name): Calculate the hash of the identifier
14262 while we scan it. Use _cpp_lookup_with_hash when we can.
14264 * cpphash.h: Update prototypes.
14265 (xcnewvec, HASHSTEP): New helper macros.
14266 * cpplib.h: Update prototypes.
14267 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
14268 (cppmacro.o): New rule.
14269 (cpphash.o): Update deps.
14271 * cppmain.c: Do not set pfile->printer if no_output is on.
14273 2000-07-15 Neil Booth <neilb@earthling.net>
14275 * cpplib.c: Change all directive-handler functions to return
14277 * cpphash.h: Update typedefs.
14279 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14281 * configure: Regenerate.
14283 * extend.texi (Extended Asm): Mention that a memory clobber
14284 does not count as a side-effect.
14286 * unroll.c (copy_loop_body): Fix one instance of using host
14287 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
14290 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
14292 2000-07-17 Richard Henderson <rth@cygnus.com>
14294 * config/ia64/ia64.md (movdi): Split out load address code.
14295 New post-reload splitter for symbolic operands.
14296 (movdi_internal): Abort if we didn't split symbolic operands
14297 when we should have.
14298 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
14299 (ia64_reorg): Split insns when not optimizing.
14300 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
14302 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
14304 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
14305 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
14307 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14309 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
14311 2000-07-17 Jason Merrill <jason@redhat.com>
14313 * Makefile.in (clean): Remove libgcc directory.
14315 * configure.in (-Wno-long-long check): Use higher-level macros.
14317 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
14319 * simplify-rtx.c (simplify_binary_operation): Recognize
14320 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
14321 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
14322 a CONST_INT, it will always be zero.
14324 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
14326 * loop.c (check_dbra_loop) : Return if more than one condition is
14327 present to control the loop.
14329 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
14331 * mips.c (mips_expand_prologue): Don't calculate the last argument
14332 register unless we need it. When we are calculating this, make
14333 sure FUNCTION_ARG is giving us a REG.
14335 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
14337 * flow.c (libcall_dead_p): Use single_set to verify the insn
14338 has only one set and get for analysis.
14339 (propagate_one_insn): Don't pass the PATTERN of the insn.
14341 2000-07-17 Mark Klein <mklein@dis.com>
14343 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
14345 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14347 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
14348 * configure.in (TARGET_GETGROUPS_T): Evaluate.
14349 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
14350 of second argument of getgroups.
14351 * configure, config.in: Rebuilt.
14353 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
14355 * simplify-rtx.c (simplify_relational_operation): Two signed
14356 values with equal high words are less/greater than each other if
14357 their low words are less/greater when considered as unsigned.
14359 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
14361 * configure.in (vax-*-openbsd): Change to new style configuration,
14362 add collect2/float_format information.
14363 * configure: Rebuilt.
14364 * config/vax/openbsd1.h: New.
14365 * config/vax/openbsd.h: New.
14366 * config/vax/t-openbsd: New.
14368 2000-07-17 Chip Salzenberg <chip@valinux.com>
14370 * c-common.c (shorten_compare): Quiet warnings about unsigned
14371 comparisons with zero when they occur in a system header.
14373 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
14375 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
14376 update to describe current practice.
14378 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
14380 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
14381 references to C9X. Change references to -fstd and -flang-isoc9x
14384 * c-common.c (scan_char_table): Allow "z" length modifiers on
14386 (check_format_info): Use TYPE_DOMAIN on the type matched against
14387 for "z" formats, to retrieve the language size_t rather than the
14390 * c-common.c (check_format_info): Do not make a pedantic objection
14391 to the 'L' length modifier if used with a floating point type
14394 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
14395 constants in C99 mode.
14397 2000-07-17 Kazu Hirata <kazu@hxi.com>
14399 * h8300.md: Fix the format of mac.
14400 (movsi_h8300hs): Output a tab after stmac instead of a space.
14402 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
14403 profitable adds/subs sequences.
14405 * fold-const.c: Fix comment typos.
14407 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
14409 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
14411 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14413 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
14415 2000-07-16 Neil Booth <NeilB@earthling.net>
14417 * cpplex.c: Update comments.
14418 * README.Portability: Small update.
14420 2000-07-16 Neil Booth <NeilB@earthling.net>
14422 * README.Portability: Small update.
14424 2000-07-15 Richard Henderson <rth@cygnus.com>
14426 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
14427 * config/ia64/ia64.c (ia64_move_ok): New function.
14428 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
14429 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
14431 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
14433 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
14434 immediately following a paste operator.
14435 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
14436 (cpp_reader_init): Call it, if HOST_EBCDIC.
14437 (cpp_handle_options): Do not sort option list here.
14438 (handle_option): Rename to cpp_handle_option and export.
14439 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
14440 _cpp_get_token directly.
14441 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
14442 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
14443 * cpplib.h: Prototype cpp_handle_option. Update prototype of
14446 2000-07-15 Richard Henderson <rth@cygnus.com>
14448 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
14449 cast around an expression. Tidy other unsigned tests.
14451 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
14453 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
14454 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
14455 (v_message_with_decl): Rename to ...
14456 (format_with_decl): ... this. Tweak
14457 (diagnostic_for_decl): New function.
14458 (fatal_io_error): Use verbatim in lieu of notice.
14459 (announce_function): Use verbatim.
14460 (default_print_error_function): Likewise.
14461 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
14464 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14466 * mips.c (function_arg_pass_by_reference): Don't do automatic
14467 aggregate initialization.
14468 (machine_dependent_reorg): Initialize variable `mode'.
14470 * mips.md (absdi2): Change variable `regno1' to unsigned int.
14471 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
14472 conflicts with sys/param.h macro of the same name.
14473 (reload_outdi): Likewise.
14475 2000-07-15 Michael Meissner <meissner@redhat.com>
14477 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
14478 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
14479 create a new node instead.
14481 2000-07-15 Neil Booth <NeilB@earthling.net>
14483 * README.Portability: Correct example about calling a function
14484 through a pointer to function. Format wide paragraphs.
14486 2000-07-15 Michael Meissner <meissner@redhat.com>
14488 * README.Portability: Update integer suffixes and function
14489 prototype sections.
14491 2000-07-15 Neil Booth <NeilB@earthling.net>
14493 * README.Portability: Small update.
14495 2000-07-15 Neil Booth <NeilB@earthling.net>
14497 * README.Portability: New file.
14499 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
14501 * INSTALL: Give special instructions for building GCC on Irix 6.
14502 * config/mips/x-iris6 (CC): Don't set it.
14505 2000-07-14 Jason Merrill <jason@redhat.com>
14507 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
14508 register in the stack and later in another register, use the new
14511 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
14513 * config/mips/mips.md: (absdi2): Handle sign_extend for
14516 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
14518 * cpplib.c (do_pragma_dependency): Tidy warning messages.
14520 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
14522 * .cvsignore: Correct typo.
14524 2000-07-13 Mark Mitchell <mark@codesourcery.com>
14526 * .cvsignore: Add generated YACC files.
14527 * objc/.cvsignore: New file.
14529 2000-07-14 Neil Booth <NeilB@earthling.net>
14531 * cpplex.c (adjust_column): New funcion.
14532 (skip_whitespace): Use it.
14533 (skip_block_comment): Use it, and warn about /*/* with
14536 2000-07-14 Neil Booth <NeilB@earthling.net>
14538 * cpphash.c (struct macro_info): Add new members.
14539 (_cpp_free_definition): Delete the macro directly.
14540 (count_params): Return void, with first token of
14541 expansion in struct macro_info on success.
14542 (parse_define): Return int. Hoist syntax checking from
14543 save_macro_expansion. Leave call to save_expansion to
14544 _cpp_create_definition.
14545 (alloc_macro): Needs just 2 arguments.
14546 (free_macro): Delete.
14547 (save_expansion): Don't perform syntax check.
14548 (_cpp_create_definition): Call save_expansion.
14550 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14552 * genrecog.c (write_header): Split long string.
14554 * cpphash.c (macro_info): Don't use the `signed' keyword.
14556 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
14558 2000-07-13 Jakub Jelinek <jakub@redhat.com>
14560 * calls.c (stored_args_map): New variable.
14561 (check_sibcall_argument_overlap_1): New.
14562 (check_sibcall_argument_overlap): New.
14563 (expand_call): Initialize stored_args_map.
14564 Call check_sibcall_argument_overlap.
14566 2000-07-13 Bruce Korb <bkorb@gnu.org>
14568 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
14569 (emit_gnu_type): utility procedure for gnu_type_fix
14570 (gnu_type_fix): implement various pre-processor guards around
14571 standard types so these types can be defined over and over
14572 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
14573 types alluded to above will have GNU-compliant base types
14574 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
14575 * fixinc/inclhack.def: add test_text entries and utilize the new
14576 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
14577 * fixinc/fixincl.x: regenerate
14579 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
14581 * diagnostic.c (vline_wrapper_message_with_location,
14582 v_message_with_file_and_line, v_error_with_file_and_file,
14583 v_error_for_asm, v_warning_for_asm, vfatal,
14584 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
14585 vsorry, verror, vwarning, vpedwarn): Remove.
14586 (diagnostic_for_asm): New function.
14587 (pedwarn, error, warning, pedwarn_with_file_and_line,
14588 error_with_file_and_line, warning_with_file_and_line, sorry,
14589 error_for_asm, warning_for_asm, fatal): Reimplement.
14590 (finish_diagnostic): Clear diagnostic info as well.
14592 2000-07-13 Neil Booth <NeilB@earthling.net>
14594 * c-common.h (flag_digraphs): New.
14595 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
14596 * c-lex.c (yylex): Use flag_digraphs to decide whether to
14599 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
14601 * gcc.c (do_spec_1): Add new %B operator.
14602 (set_input): Prepare for %B.
14604 (link_command_spec): Move up with the other tm.h-
14605 overrideable specs. Factor out the portion conditional on
14606 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
14607 (struct compiler): Just have a single spec string. All users
14609 (default_compilers): Remove unnecessary braces.
14610 (static_specs): Update.
14612 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
14614 (C and assembly specs): Use the new named specs, as appropriate.
14616 * objc/lang-specs.h: Use the new named specs.
14617 Remove unnecessary braces.
14619 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14621 * gcc.c (execute): If a subprocess gets a fatal signal, report
14622 strsignal() of the signal number, and ask for a bug report.
14623 Do not do this for SIGPIPE if there's already been an error.
14625 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
14626 Delete pipe_closed.
14628 * tradcif.c: Remove.
14630 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14632 * final.c (profile_function): Do not emit profile counters in
14633 the data section, if NO_PROFILE_COUNTERS is defined.
14634 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
14637 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
14638 (FUNCTION_PROFILER): Just emit a call to mcount.
14640 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14642 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
14644 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
14645 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
14646 traditional, lang_chill, or lang_fortran.
14648 * cppfiles.c: #undef strcmp to suppress warning about macros
14649 used without arguments.
14650 (_cpp_execute_include): Use f, not fname, in "No include path"
14652 (_cpp_pop_file_buffer): New function.
14653 * cpplib.c: Don't include <sys/mman.h>.
14654 (cpp_push_buffer): Set line_base and lineno in new buffer.
14655 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
14657 * cpplex.c: Move all prototypes and structure declarations to the
14658 top of the file. Properly parenthesise some macro arguments.
14659 (cpp_scan_line): New function.
14660 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
14661 don't need to walk up the stack counting.
14663 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14665 * c-common.c (combine_strings): Emit a pedantic warning when a
14666 string length is greater than the minimum ANSI C is required
14669 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
14671 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
14672 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
14674 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14676 * c-decl.c (define_label): Warn about identifier conflicts with
14677 labels in traditional C.
14679 * c-parse.in (unop +): Warn about the unary plus operator for
14682 * c-typeck.c (store_init_value): Warn about automatic aggregate
14683 initialization for traditional C.
14685 * invoke.texi (-Wtraditional): Document new warnings.
14687 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14689 * Makefile.in (c-errors.o): Fix thinko in dependency.
14691 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14693 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
14694 -traditional, -ftraditional, or -traditional-cpp was given.
14695 Do not pass -traditional to the preprocessor.
14696 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
14697 preprocessor does it automatically.
14698 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
14700 * ch/lang-specs.h: Always use tradcpp. Do not pass
14701 -traditional, -trigraphs, or -pedantic to the preprocessor.
14702 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
14705 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
14707 * cppexp.c (LOGICAL): Delete macro.
14708 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
14711 * cpphash.c (HASHSIZE): Increase to 4096.
14712 (struct hashdummy): Add hash field.
14713 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
14714 the string values using memcmp.
14715 (cpp_lookup): Set dummy.hash.
14717 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
14719 * configure.in (m88k-openbsd): Express configuration using new fragment
14721 * configure: Rebuilt.
14722 * m88k/aout-dbx.h: New.
14723 * m88k/openbsd.h: New.
14724 * m88k/xm-openbsd.h: New.
14726 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14728 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
14730 2000-07-12 Richard Henderson <rth@cygnus.com>
14732 * reload.c (push_secondary_reload): Make sure to add the new
14733 reload at the end, after acquiring secondary memory.
14735 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14737 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
14739 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
14740 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
14742 * c-parse.in (stmt): Delete unused variables.
14744 * convert.c (convert_to_vector): Likewise.
14746 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
14748 * tree.c (finish_vector_type): Prototype.
14750 2000-07-12 Bruce Korb <bkorb@gnu.org>
14752 * fixinc/fixfixes.c: use xmalloc
14753 * fixinc/fixincl.c(initialize): set program name for xmalloc
14754 * fixinc/fixlib.c(must_malloc): obsolete
14755 (is_cxx_header): no longer used - disabled
14756 (skip_quote): inserted and disabled for future use
14757 * fixinc/fixlib.h: reflects above
14758 * fixinc/fixtests.c: removed dinkleberries
14760 2000-07-12 Neil Booth <NeilB@earthling.net>
14762 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
14763 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
14765 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
14766 struct toklist_dummy): New.
14767 (cpp_free_definition): Free macros with free_macro.
14768 (count_params): Don't save paramter spellings. Save macro
14769 information in a struct macro_info.
14770 (parse_define): Don't allocate a token list.
14771 (save_expansion): Allocate the macro's token list, and
14772 save parameter spellings if necessary. Use TOKEN_SPELL.
14773 (cpp_create_definition): Make list const.
14775 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14777 * c-typeck.c (pedwarn_c99): Move to
14778 * c-errors.c: ... Here.
14779 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
14780 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
14781 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
14782 (c-errors.o): List dependency.
14784 2000-07-12 Mark Mitchell <mark@codesourcery.com>
14786 * c-parse.c: Remove.
14787 * c-parse.h: Likewise.
14788 * c-parse.y: Likewise.
14789 * objc/objc-parse.c: Likewise.
14790 * objc/objc-pasre.y: Likewise.
14792 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
14794 * gcc.texi: Fix minor typos
14795 * extend.texi: Fix minor typos
14797 2000-07-11 Marc Espie <espie@openbsd.org>
14799 * collect2.c (main): Recognize .lo as object files.
14801 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14803 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
14806 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
14807 with MAP_ANONYMOUS and MAP_ANON.
14808 * configure, config.in: Rebuilt.
14810 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
14812 * diagnostic.c (save_output_state): Remove.
14813 (restore_output_state): Likewise.
14814 (clear_text_info): New function.
14815 (clear_diagnostic_info): Likewise.
14816 (output_text_length, is_starting_newline, output_prefix,
14817 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
14818 prefixing_policy, output_buffer_ptr_to_format_args): New macros
14819 (set_real_maximum_length, output_set_maximum_length,
14820 output_set_prefix, output_get_prefix, output_set_maximum_length,
14821 output_destroy_prefix, init_output_buffer,
14822 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
14823 output_add_newline, output_add_character, output_add_space,
14824 output_append_r, output_append, wrap_text, output_format,
14825 output_do_printf, output_printf, output_do_verbatim,
14826 output_verbatim, verbatim): Use them.
14827 (output_clear): Split into cleat_text_info and
14828 clear_diagnostic_info.
14829 (struct output_state): Move to...
14831 * diagnostic.h: ...Here
14832 (struct output_buffer): Adjust.
14834 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
14836 * cpplex.c (parse_name): No longer inline (premature optimization).
14837 (do_pop_context): Fold into pop_context.
14838 (pop_context): Returns int.
14839 (lex_next): Hoist test for end of directive into pop_context.
14840 (push_macro_context): Returns int; takes just reader and token.
14841 Hoist test for excessive nesting to caller.
14842 (push_arg_context): Returns void; takes just reader and token.
14843 Do not call stringify_arg or get_raw_token.
14844 (get_raw_token): Convert tail recursion through push_arg_context
14845 to a loop at this level. Call stringify_arg here if appropriate.
14846 (maybe_paste_with_next): Convert tail recursion to a while loop.
14847 Hoist test of paste_level to caller.
14849 (stringify_arg): Push arg context at beginning.
14850 (cpp_get_token): Split out core into _cpp_get_token. Call
14851 process_directive here. Throw away CPP_PLACEMARKER tokens.
14852 (_cpp_get_token): Convert tail recursion through
14853 push_macro_context to a loop at this level.
14854 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
14855 _cpp_get_raw_token): Use _cpp_get_token.
14856 (_cpp_skip_rest_of_line): Drop the context stack directly; do
14857 not call pop_context.
14858 (_cpp_run_directive): Call lex_next directly.
14860 * cpphash.h: Prototype _cpp_get_token.
14861 * cppexp.c (lex): Use it.
14862 * cpphash.c (parse_define): Use it.
14863 * cpplib.c (get_define_node, do_undef, parse_include,
14864 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
14865 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
14866 parse_ifdef, validate_else): Use it.
14867 (cpp_push_buffer): Tweak error message; abort if anyone tries
14868 to push a buffer while macro expansions are stacked.
14870 2000-07-11 Donn Terry <donnte@microsoft.com>
14872 * cpplex.c (free_macro_args, save_token): Cast arg of free
14873 and/or xrealloc to PTR.
14874 (_cpp_init_input_buffer): Clear all fields of the base context.
14876 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
14878 * gensupport.c (process_rtx): Make rtl checking stop
14879 complaining about the define_insn while it is being
14880 converted from a define_insn_and_split.
14882 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
14884 * config/mips/mips.c (simple_memory_operand): Access the
14885 INTVAL of the address, not it's containing MEM.
14887 2000-07-11 Bruce Korb <bkorb@gnu.org>
14889 * fixinc/fixtests.c(double_slash): obsolete
14890 (else_endif_label): likewise
14891 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
14892 (libc1_ifdefd_memx): correct initial comment
14893 and omit the #if/#endif pair from the memxxx declarations
14894 * fixinc/fixincl.x: regen
14896 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14898 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
14900 2000-07-11 Neil Booth <NeilB@earthling.net>
14902 * cpp.texi: Update.
14904 2000-07-11 Neil Booth <NeilB@earthling.net>
14906 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
14907 (handle_option): Set digraphs according to standard.
14908 Merge OPT_lang_c89 handler with OPT_std_c89.
14910 * cpplex.c: (lex_line, can_paste): Honour digraphs in
14911 accordance with the digraphs flag.
14913 * cpplib.h: (struct cpp_options): New option digraphs.
14915 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
14916 Bruce Korb <bkorb@gnu.org>
14918 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
14919 * fixinc/fixincl.x: Regenerate.
14920 * fixinc/tests/base/testing.h: Add testcase.
14922 2000-07-10 Richard Henderson <rth@cygnus.com>
14924 * config/ia64/ia64.c (got_symbolic_operand): New.
14925 (symbolic_operand, move_operand): Revert 0701 change.
14926 * config/ia64/ia64.h (PREDICATE_CODES): Update.
14927 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
14928 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
14929 split the offset into a 14-bit low part instead of a 13-bit low part.
14930 (load_fptr): Mark the mem as unchanging.
14931 (load_symptr): Use got_symbolic_operand.
14933 2000-07-10 Nick Clifton <nickc@cygnus.com>
14935 * libgcc2.c (next_stack_level): Cast result of computation to
14936 (void **) so that the assignment does not generate a warning.
14938 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
14940 * flags.h : Add new variable flag_single_precision_constant.
14941 * toplev.c (display_help) : Add -fsingle-precision-constant option.
14942 (flag_single_precision_constant): New.
14943 * c-lex.c (yylex): Convert floating point constant to single
14944 precision constant.
14945 * invoke.texi : Add documentation for this new option.
14947 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
14949 * diagnostic.c (output_octal): Second parameter is unsigned.
14950 (output_long_octal): Likewise.
14951 (output_hexadecimal): Likewise.
14952 (output_long_hexadecimal): Likewise.
14953 (output_format): Adjust arguments extraction. Tweak.
14954 (output_verbatim, verbatim): End variable argument list.
14955 (report_diagnostic): Improve documentation.
14957 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
14959 * c-common.h (build_stmt): Declare.
14960 (build_continue_stmt): Likewise.
14961 (build_break_stmt): Likewise.
14962 (build_return_stmt): Likewise.
14964 * c-decl.c (do_case): Rewrite to do what previously done in
14967 * c-semantics.c (build_stmt): Define.
14968 (build_return_stmt): Likewise.
14969 (build_break_stmt): Likewise.
14970 (build_continue_stmt): Likewise.
14971 (build_case_label): Likewise.
14973 * c-parse.in (BREAK): Change to build tree, then generate RTL.
14974 (CONTINUE): Likewise.
14975 (RETURN): Likewise.
14977 (DEFAULT): Likewise.
14979 * c-parse.y: Regenerate.
14980 * c-pasre.c: Likewise.
14982 2000-07-09 Jason Merrill <jason@redhat.com>
14984 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
14986 * tree.h (STRIP_NOPS): Check for error_mark_node.
14987 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
14988 (dwarf2out_*): Remove duplicate declarations.
14990 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
14991 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
14993 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
14995 * diagnostic.c (wrap_text): New function.
14996 (maybe_wrap_text): Likewise.
14997 (output_add_string): Use it.
14998 (output_format): Likewise.
14999 (count_error): Use verbatim instead of notice.
15000 (report_error_function): Likewise. Don't use plain fprintf.
15001 (finish_diagnostic): New function.
15002 (output_do_verbatim): Tweak. Commonalize functionalities in
15003 output_verbatim and verbatim.
15004 (output_verbatim): Adjust.
15005 (verbatim): Likewise.
15006 (report_diagnostic): Define.
15008 * diagnostic.h (report_diagnostic): Prototype.
15010 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
15012 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
15014 2000-07-09 Neil Booth <NeilB@earthling.net>
15016 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
15017 IShspace, ISspace: Update.
15019 * cppinit.c: ISTABLE: Update.
15022 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
15023 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
15024 (skip_block_comment, skip_line_comment, parse_string,
15025 lex_line): Use is_vspace rather than IS_NEWLINE.
15026 (skip_whitespace, lex_line): Clean up to use is_nvspace.
15027 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
15029 (lex_next): Unconditionally stop if within a directive.
15030 Treat directives within macro invocations as directives
15031 (after parse_args emits error), not as the argument.
15033 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
15035 * diagnostic.c (diagnostic_args): New macro.
15036 (diagnostic_msg): Likewise.
15037 (output_formatted_integer): Likewise.
15038 (output_state): New data type.
15039 (digit_buffer): Make global.
15040 (output_add_integer): Rename to output_decimal. Squeeze
15042 (output_long_decimal, output_unsigned_decimal,
15043 output_long_unsigned_decimal, output_octal, output_long_octal,
15044 output_hexadecimal, output_long_hexadecimal): New functions.
15045 (output_append_r): New function.
15046 (output_append): Tweak.
15047 (output_flush_on): Rename to output_to_stream.
15048 (output_format): Change prototype. Improve documentation. Handle
15049 more format specifiers.
15050 (build_location_prefix): Rename to context_as_prefix.
15051 (output_notice): Rename to output_do_printf.
15052 (output_printf): Tweak.
15053 (line_wrapper_printf): Likewise.
15054 (vline_wrapper_message_with_location): Adjust call to renamed
15056 (v_message_with_decl): Likewise.
15057 (default_print_error_function): Likewise.
15058 (save_output_state): New function.
15059 (restore_output_state): Likewise.
15060 (output_do_verbatim): Likewise.
15061 (output_verbatim): Define.
15062 (verbatim): Likewise.
15064 * diagnostic.h (printer_fn): Change return type from void to int.
15065 Improve documentation.
15066 (output_add_integer): Rename to output_decimal.
15067 (output_flush_on, output_format): Don't export.
15068 (output_verbatim, verbatim): Declare.
15070 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
15072 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
15073 Check whether c divides op1 exactly if operation is not
15076 2000-07-08 Richard Henderson <rth@cygnus.com>
15078 * final.c (final): Do not abort when reg-stack introduces
15081 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
15083 * cpplib.h (struct cpp_name): Now struct cpp_string.
15084 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
15085 CPP_HEADER_NAME): Change to type S.
15086 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
15087 field, a cpp_hashnode *. All references to val.name updated
15088 to use val.str or val.node as appropriate.
15089 (struct cpp_reader): Add spec_nodes field.
15090 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
15092 * cpphash.h (struct spec_nodes): New.
15093 (enum spell_type): Reorder. Only SPELL_STRING tokens use
15094 val.str. All references to 'spelling > SPELL_NONE' updated to
15097 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
15098 pfile->buffer->inc are not NULL before dereferencing them.
15100 * cpplex.c (parse_name): Take a pointer to the current token,
15101 plus current position and limit as args; return the new
15102 position; don't copy the text of a name into the string
15103 buffer, instead call cpp_lookup and store the node pointer.
15104 If extending a token, copy out the text of the old into a
15105 scratch buffer, append the new, look that up and store the new
15106 node pointer. Inline.
15107 (maybe_paste_with_next): If the result of paste is a NAME,
15108 then look up the pasted text and store its node pointer.
15109 (lex_line): Adjust for new parse_name interface.
15110 Check for L"str", L'str' using spec_nodes->n_L.
15111 (spell_token): SPELL_IDENT tokens have their spelling in
15112 val.node->name. Handle SPELL_STRING tokens that don't have
15114 (_cpp_expand_name_space,
15115 (can_paste): Check for L ## "str" using spec_nodes->n_L.
15116 (cpp_get_token, special_symbol): No need to call cpp_lookup.
15117 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
15118 return 1=equal 0=not, not a tristate.
15120 * cpphash.c (var_args_str): Delete.
15121 (find_param): Compare node fields directly.
15122 (is__va_args__): Use CPP_PEDANTIC. Just compare
15123 token->val.node with spec_nodes->n__VA_ARGS__.
15124 (dump_funlike_macro): Don't use var_args_str.
15126 * cpplib.c (_cpp_check_directive): Just walk through
15127 spec_nodes->dirs comparing pointers.
15128 (get_define_node, do_pragma_poison, detect_if_not_defined,
15129 parse_ifdef): The identifier has already been looked up.
15130 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
15132 (do_if): Only call detect_if_not_defined at beginning of file.
15133 (_cpp_parse_assertion): Only copy string pointers for
15134 SPELL_STRING tokens.
15135 (pragma_dispatch): Take a node pointer and examine its name
15137 (_cpp_init_stacks): Also initialize the spec_nodes structure.
15139 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
15141 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
15142 reverse order from the corresponding _cpp_init_* routines.
15144 * cppexp.c (parse_number, parse_charconst, parse_defined,
15145 lex): Check val.node->type instead of calling cpp_defined.
15146 Use spec_nodes entries where appropriate.
15148 * fix-header.c, scan-decls.c: Update for interface changes.
15150 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
15152 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
15153 emitting aux_truncdfsf2.
15155 2000-07-03 Donn Terry (donnte@microsoft.com)
15157 * cppinit.c (print_help): split overlong line into ISO C89
15160 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15162 * cppexp.c: Update all code for new lexer interface.
15163 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
15164 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
15165 * cpplex.c (token_names): Trim leading CPP_ from names; make
15166 the strings unsigned.
15167 (_cpp_spell_operator): New.
15168 (is_macro_disabled): Disable all macros if rescanning
15170 (_cpp_get_directive_token): Remove.
15172 * cppinit.c: Don't set no_macro_expand.
15173 * cpplib.c (read_line_number, do_line): Check only for EOF,
15175 * cpphash.h: Update prototypes.
15176 * cpplib.h (CPP_VSPACE): Remove.
15177 (struct cpp_reader): Remove no_macro_expand.
15179 2000-07-08 Neil Booth <NeilB@earthling.net>
15181 * cpphash.c (is__va_args__): New function.
15182 (count_params): Fix line reported in error messages. Use
15183 is__va_args__. Don't return ')' on error. Flag GNU style
15184 rest args macro definitions.
15185 (parse_define): Check macro name is not __VA_ARGS__.
15186 (save_expansion): Check identifier in non-varargs-macro is
15187 not __VA_ARGS__. Don't flag GNU_VARARGS.
15188 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
15189 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
15190 than per-token GNU_VARARGS.
15191 * cpplib.h (GNU_VARARGS): Remove.
15192 (GNU_REST_ARGS): New.
15194 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
15196 * i386.md (call_pop, call, call_value_pop): Do not set
15197 current_function_uses_pic_offset_table for calls to static
15198 functions or indirect calls.
15200 2000-07-07 Jim Wilson <wilson@cygnus.com>
15202 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
15203 is_predicate_reg, then take max write_count of register pair.
15205 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15207 * tradcpp.c (main): Rename label `include' to `add_include' to
15208 avoid conflicts with variable `include' in traditional C.
15210 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15212 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
15214 2000-07-07 Jakub Jelinek <jakub@redhat.com>
15216 * sibcall.c (uses_addressof): Add INMEM argument, check for
15217 current_function_internal_arg_pointer outside of MEM rtxs in addition
15219 (sequence_uses_addressof): Update caller.
15221 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
15223 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
15226 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15228 * system.h (UNION_INIT_ZERO): New macro for initializing union
15229 members in structs.
15231 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
15233 2000-07-07 Neil Booth <NeilB@earthling.net>
15235 * cpp.texi: Update.
15237 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
15239 * final.c (final): Detect out of bounds array access to
15240 the insn_lengths array.
15242 2000-07-07 Kazu Hirata <kazu@hxi.com>
15244 * fold-const.c (fold): Fix a comment typo.
15246 2000-07-07 Neil Booth <NeilB@earthling.net>
15248 * cpp.texi: Update to new lexer.
15250 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15252 * tradcpp.c: New file.
15253 * tradcif.y: New file.
15254 * tradcif.c: New generated file.
15256 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
15257 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
15258 dependencies of C. Install tradcpp from install-common, in
15261 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
15263 * cppinit.c: Include cppdefault.h. Refer to
15264 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
15265 to GCC_INCLUDE_DIR and its length.
15266 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
15267 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
15268 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
15270 (include_defaults_array): Move to cppdefault.c.
15272 * cppdefault.h: New file.
15273 * cppdefault.c: New file.
15275 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
15276 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
15277 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
15280 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15282 * reload.c (push_reload): When seeing if can reuse a register,
15283 check extra registers against widest of INMODE and OUTMODE.
15285 2000-07-06 Neil Booth <NeilB@earthling.net>
15287 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
15288 based on full length of predicate.
15290 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
15292 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
15293 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
15295 2000-07-05 Kazu Hirata <kazu@hxi.com>
15297 * h8300-proto.h: Fix formatting.
15298 * h8300.c: Likewise.
15299 * h8300.h: Likewise.
15301 2000-07-05 Jim Wilson <wilson@cygnus.com>
15303 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
15306 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
15308 * invoke.texi: Fix minor typos
15309 * md.texi: Fix minor typos
15311 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
15313 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
15315 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15317 * cpplex.c: Don't include sys/mman.h.
15318 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
15320 * cpplib.c: Include sys/mman.h and obstack.h.
15321 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
15323 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
15324 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
15325 bother freeing if stack entries (they will be freed with their buffer).
15326 (do_endif): Free if stack entries from the buffer obstack.
15327 (push_conditional): Allocate if stack entries from the buffer obstack.
15329 (find_answer): Rename to _cpp_find_answer.
15330 (do_assert, do_unassert): Update.
15332 * cpphash.h: Update prototypes.
15333 (xobnew): New convenience macro.
15334 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
15336 (struct cpp_hashnode): Remove disabled field.
15338 * cppinit.c: Don't include hashtab.h or splay-tree.h.
15339 (report_missing_guard): Moved to cppfiles.c.
15340 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
15342 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
15343 cpp_cleanup_includes. Don't destroy hashtab or
15344 all_include_files here.
15345 (cpp_finish): Use _cpp_report_missing_guards.
15347 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
15348 (_cpp_init_include_table): Rename _cpp_init_includes.
15349 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
15351 * cppexp.c (parse_assertion): Update for new name of
15354 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
15356 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
15358 * cpplib.c (do_ident): s/VSPACE/EOF/
15360 2000-07-05 Neil Booth <NeilB@earthling.net>
15362 * cpplex.c: Fix trigraph replacement within strings.
15364 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15366 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
15368 * xcoffout.c (assign_type_number): Constify.
15369 (xcoffout_source_file): Add static prototype. Don't needlessly
15370 cast away const-ness.
15372 2000-07-04 Jason Merrill <jason@redhat.com>
15374 * frame.h (frame_state): Move base_offset to end.
15376 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15378 * calls.c (emit_library_call_value_1): Revert previous change.
15380 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15382 * fix-header.c (struct partial_proto): Remove unnecessary fields.
15383 (recognized_extern, recognized_function, read_scan_file):
15384 Update for new scheme.
15385 (check_protection): It's still a multiple include guard even
15386 if it doesn't always trigger.
15387 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
15389 * scan.h: Declare struct cpp_token. Update prototypes.
15391 2000-07-03 Neil Booth <neilb@earthling.net>
15392 Zack Weinberg <zack@wolery.cumb.org>
15394 Complete overhaul of the lexer and macro expander.
15396 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
15397 arg, arglist, argdata, reflist, collect_objlike_expansion,
15398 collect_funlike_expansion, collect_params,
15399 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
15400 unsafe_chars, macarg, compare_defs, special_symbol,
15401 scan_arguments, stringify, funlike_macroexpand,
15402 _cpp_quote_string, monthnames): Delete.
15403 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
15404 _cpp_create_definition, _cpp_dump_definition,
15405 dump_hash_helper): Adjust.
15406 (find_param, count_params, parse_define, var_args_str,
15407 check_macro_redefinition, save_expansion): New.
15409 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
15410 parse_string, output_line_command, trigraph_replace,
15411 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
15412 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
15413 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
15414 _cpp_skip_rest_of_line): Modify.
15416 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
15417 find_position, null_warning, bump_column, expand_name_space,
15418 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
15419 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
15420 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
15421 _cpp_prescan): Delete.
15423 (dump_param_spelling, process_directive, lex_next,
15424 is_macro_disabled, stringify_arg, expand_context_stack,
15425 output_token, make_string_token, alloc_number_token,
15426 special_symbol, duplicate_token, maybe_paste_with_next,
15427 can_paste, prevent_macro_expansion, restore_macro_expansion,
15428 get_temp_token, release_temp_tokens, quote_string,
15429 token_names, token_spellings, _cpp_expand_name_space,
15430 _cpp_glue_header_name, _cpp_reserve_name_space,
15431 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
15432 placemarker_token, eof_token, cpp_context, macro_args,
15433 get_raw_token, parse_arg, parse_args, save_token,
15434 push_arg_context, push_macro_context, pop_context,
15435 do_pop_context, free_macro_args, _cpp_get_line,
15436 _cpp_run_directive): New.
15438 * cpplib.c (validate_else, parse_include, push_conditional,
15439 pass_thru_directive, read_line_number, parse_ifdef,
15440 detect_if_not_defined, _cpp_check_directive, do_define,
15441 do_undef, do_include, do_import, do_include_next, do_error,
15442 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
15443 top_pragmas, do_pragma_gcc, do_pragma_implementation,
15444 do_pragma_poison, do_pragma_system_header,
15445 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
15446 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
15447 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
15448 cpp_defined): Update for new scheme.
15449 (strtoul_for_line, get_define_node, dump_macro_name,
15450 _cpp_check_linemarker, _cpp_parse_assertion): New.
15451 (_cpp_handle_directive, do_pragma_default): Delete.
15453 * cpphash.h (struct predicate): Now struct answer.
15454 (enum spell_type, struct token_spelling, struct directive,
15455 directive_handler): New.
15456 Update prototypes. Remove unused macros.
15457 * cpplib.h: Update prototypes. Remove unused macros,
15458 structure definitions, and fields.
15460 * cpperror.c (print_containing_files, v_message): Adjust.
15461 * cppexp.c (parse_assertion, lex, parse_escape,
15462 _cpp_parse_expr): Adjust.
15463 * cppfiles.c (open_include_file, _cpp_execute_include,
15464 _cpp_compare_file_date, cpp_read_file, read_include_file):
15466 * cppinit.c (dump_special_to_buffer): Delete.
15467 (append_include_chain, merge_include_chains, cpp_reader_init,
15468 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
15469 cpp_finish, handle_option, print_help): Adjust.
15470 * cppmain.c (main): Adjust.
15472 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
15474 * cppspec.c (lang_specific_driver): Use double quotes in error
15477 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
15479 * calls.c (emit_library_call_value_1): Use valreg instead
15480 of hard_libcall_value.
15482 2000-07-03 Geoff Keating <geoffk@cygnus.com>
15484 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
15485 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
15486 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
15494 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
15495 mode instead of wider_mode is being used.
15497 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15499 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
15500 of 'r'. Use q_regs_operand.
15501 (andsi_1+2): Use q_regs_operand.
15503 2000-07-03 Jakub Jelinek <jakub@redhat.com>
15505 * builtins.c (get_memory_rtx): Always put into alias set 0.
15507 2000-07-03 Nick Clifton <nickc@cygnus.com>
15509 * config/arm/arm.md: Fix post increment and pre increment
15510 peepholes so that they do not generate UNPREDICATBLE opcodes.
15511 (ie ones where the increment clobbers the source/destination).
15513 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
15515 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
15516 change too big for -mtiny-stack" a warning, if larger than 63.
15517 (out_set_stack_ptr): Change the logic so -mno-interrupts is
15518 always safe to use on possible future devices.
15519 (function_prologue): Write SPH before SPL, for consistency.
15520 If interrupt_func_p true, we know we have enabled interrupts.
15521 (avr_num_arg_regs): New function. Round up to even number of
15522 bytes if no -mpack-args or if calling a libgcc function.
15523 (function_arg, function_arg_advance): Use it.
15524 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
15525 Output "movw" if available.
15526 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
15527 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
15528 (asm_output_section_name): Add blanks for consistent output.
15529 (encode_section_info): Set TREE_READONLY for progmem data to
15530 avoid gas warnings about changed section attributes.
15531 (avr_hard_regno_mode_ok): Force non-QImode data to start in
15532 even numbered registers on devices with "movw".
15533 * config/avr/avr.h (MASK_*): Define bits for target_flags.
15534 (TARGET_SWITCHES): Mark help strings for translation.
15535 Add new -mpack-args and -menhanced switches.
15536 (TARGET_OPTIONS): Mark help strings for translation.
15537 (progmem_section): Add section attributes.
15538 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
15539 Output "movw" if available.
15540 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
15542 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
15543 call convention (arguments aligned on even registers).
15544 (_cleanup, _exit): Make weak symbols libc can override.
15546 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15548 * fp-bit.h: New file.
15550 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
15551 Comment #endif statements.
15552 (__thenan_sf, __thenan_df): Add missing braces around initializer.
15554 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
15556 * gcse.c (compute_pre_data): Compute ae_kill using other local
15557 properties instead of calling compute_ae_kill.
15559 * alias.c (init_alias_analysis): Do not call
15560 prologue_epilogue_contains until after reload has completed.
15562 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
15564 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
15565 (genrtl_finish_compound_stmt): Likewise.
15566 (genrtl_compound_stmt): Change to return void.
15568 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
15569 move code from here to ...
15570 (genrtl_compound_stmt): ... here.
15571 (genrtl_finish_compound_stmt): Remove.
15572 (expand_stmt): Add comment.
15574 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
15576 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
15579 2000-07-02 Jakub Jelinek <jakub@redhat.com>
15581 * cpplib.h (struct cpp_reader): New field include_depth.
15582 (struct cpp_printer): Rename last_bsd to last_id.
15583 * cppfiles.c (read_include_file): Bump include_depth.
15584 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
15585 (output_line_command): Output correct #line if a header
15586 is including itself and is not protected against multiple inclusion.
15587 Use include_depth instead of buffer_stack_depth, last_id instead of
15589 * cppinit.c (cpp_start_read): Initialize last_id instead of
15592 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
15594 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
15595 (c-semantics.o): New target.
15597 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
15598 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
15599 (genrtl_clear_out_block): Likewise.
15600 (genrtl_goto_stmt): Likewise.
15601 (genrtl_expr_stmt): Likewise.
15602 (genrtl_decl_stmt): Likewise.
15603 (genrtl_if_stmt): Likewise.
15604 (genrtl_while_stmt): Likewise.
15605 (genrtl_do_stmt): Likewise.
15606 (genrtl_return_stmt): Likewise.
15607 (genrtl_for_stmt): Likewise.
15608 (genrtl_break_stmt): Likewise.
15609 (genrtl_continue_stmt): Likewise.
15610 (genrtl_scope_stmt): Likewise.
15611 (genrtl_switch_stmt): Likewise.
15612 (genrtl_case_label): Likewise.
15613 (genrtl_begin_compound_stmt): Likewise.
15614 (gerntl_finish_compound_stmt): Likewise.
15615 (genrtl_compound_stmt): Likewise.
15616 (genrtl_asm_stmt): Likewise.
15617 (genrtl_decl_cleanup): Likewise.
15618 (DECL_ANON_UNION_ELEMS): Likewise.
15619 (emit_local_var): Likewise.
15620 (make_rtl_for_local_static): Likewise.
15621 (expand_cond): Likewise.
15622 (expand_stmt): Likewise.
15623 (c_expand_return): Likewise.
15624 (c_expand_start_case): Likewise.
15625 (do_case): Likewise.
15626 (COMPOUND_STMT_NO_SCOPE): Likewise.
15627 (c_expand_asm_operands): Likewise.
15628 (NEW_FOR_SCOPE_P): New macro.
15629 (expand_expr_stmt_fn): New type.
15631 (set_current_function_name_declared): Likewise.
15632 (current_function_name_declared): Likewise.
15633 (lang_expand_stmt): Likewise.
15634 (stmts_are_full_exprs_p): Likewise.
15635 (anon_aggr_type_p): Likewise.
15636 (lang_expand_expr_stmt): Likewise.
15637 (build_case_label): Likewise.
15639 * c-decl.c (lang_expand_expr_stmt): Initialize.
15640 (stmts_are_full_exprs_p): Define.
15641 (current_function_name_declared): Likewise.
15642 (do_case): Likewise.
15643 (lang_expand_stmt): Likewise.
15644 (set_current_function_name_declared): Likewise.
15645 (anon_aggr_type_p): Likewise.
15647 * c-semantics.c: New file.
15648 (expand_cond): Moved from cp/semantics.c.
15649 (genrtl_do_pushlevel): Likewise.
15650 (genrtl_clear_out_block): Likewise.
15651 (genrtl_goto_stmt): Likewise.
15652 (genrtl_expr_stmt): Likewise.
15653 (genrtl_decl_stmt): Likewise.
15654 (genrtl_if_stmt): Likewise.
15655 (genrtl_while_stmt): Likewise.
15656 (genrtl_do_stmt): Likewise.
15657 (genrtl_return_stmt): Likewise.
15658 (genrtl_for_stmt): Likewise.
15659 (genrtl_break_stmt): Likewise.
15660 (genrtl_continue_stmt): Likewise.
15661 (genrtl_scope_stmt): Likewise.
15662 (genrtl_switch_stmt): Likewise.
15663 (genrtl_case_label): Likewise.
15664 (genrtl_begin_compound_stmt): Likewise.
15665 (genrtl_finish_compound_stmt): Likewise.
15666 (genrtl_compound_stmt): Likewise.
15667 (genrtl_asm_stmt): Likewise.
15668 (genrtl_decl_cleanup): Likewise.
15669 (make_rtl_for_local_static): Moved from cp/decl.c.
15670 (emit_local_var): Likewise.
15671 (expand_stmt): Define.
15673 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
15674 (c_expand_return): Likewise.
15675 (c_expand_start_case): Likewise.
15677 2000-07-01 Richard Henderson <rth@cygnus.com>
15679 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
15680 with the low 13 bits set.
15681 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
15682 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
15683 of the low 13 bits into a CONST plus an adddi3.
15684 (load_symptr): Set RTX_UNCHANGING_P.
15686 See ChangeLog.3 for earlier changes.