1 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * regmove.c (perhaps_ends_bb_p): New function.
4 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
5 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6 (fixup_match_1): Likewise.
7 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
8 avoid signed/unsigned warnings.
10 * function.c (fixup_var_refs_1, case MEM): Update CODE after
13 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
15 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
16 (_cpp_trigraph_map): Declaration moved from cpplex.c
18 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
19 instead of 256. Use consistent test for designated initializers.
20 (cpp_init): Initialize trigraph_map.
21 (initialize_standard_includes, parse_option): Use memcmp
24 * cpplex.c (init_trigraph_map): Remove.
25 (trigraph_ok, trigraph_replace, lex_line): Refer to
28 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
29 (do_unassert): Remove unused "next" local.
31 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
33 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
35 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
38 2000-08-17 Richard Henderson <rth@cygnus.com>
40 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
41 the first insn in a sequence.
43 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
45 * alias.c (true_dependence, write_dependence_p): A read
46 involving a label_ref or the constant pool doesn't create
49 * rtl.h (unchanging): Improve documentation.
51 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
53 * cse.c (insert_regs): Remove unused `regno'.
55 2000-08-17 Neil Booth <NeilB@earthling.net>
57 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
58 remove_dup_dirs. If qtail == brack, remove brack not
60 (remove_dup_dir, remove_dup_dirs): New functions.
62 2000-08-17 Neil Booth <NeilB@earthling.net>
64 * cppinit.c (cpp_cleanup): Free include dir chains.
65 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
66 (do_unassert): Free the assert with _cpp_free_definition.
67 * cppmacro.c (_cpp_free_definition): Free memory allocated for
68 assertions. Make the node a T_VOID node.
70 2000-08-17 Neil Booth <NeilB@earthling.net>
72 * cppinit.c (path_include, append_include_chain):
73 Remove 2nd parameter (struct cpp_pending *).
74 (path_include, initialize_standard_includes, cpp_handle_option):
75 Update callers appropriately.
76 (cpp_handle_option): Use pend.
78 2000-08-17 Neil Booth <NeilB@earthling.net>
80 * cppinit.c (sort_options): Remove, put functionality in
83 (initialize_builtins): Free memory.
84 (cpp_start_read): Move init_IStable to cpp_init.
86 * cpplib.h (cpp_init): New prototype.
87 * cppmain.c (main): Call cpp_init.
89 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
91 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
92 (rtx_unstable_p, rtx_varies_p): Process vectors.
94 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
96 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
97 references to GLOBAL symbols. Use LOCAL where appropriate.
99 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
102 use t-aix41 when host == target.
104 2000-08-16 Richard Henderson <rth@cygnus.com>
106 * reload.c (push_secondary_reload): Revert last change.
107 If we use a reload_in/out pattern, make the when the same
108 as the primary reload.
109 (find_reloads): Likewise.
111 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
113 * configure.in (libstdcxx-v3): Fix test.
114 * configure: Regenerate.
116 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
118 * calls.c (calls_function_1, expand_call): Only test
119 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
120 * function.c (thread_prologue_and_epilogue_insns): Likewise.
122 2000-08-16 Richard Henderson <rth@cygnus.com>
124 * combine.c (simplify_shift_const): Revert previous two
125 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
126 before the main loop.
128 2000-08-15 Richard Henderson <rth@cygnus.com>
130 * combine.c (simplify_shift_const): Bound shift count when
133 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
135 * calls.c (ECF_SP_DEPRESSED): New macro.
136 (calls_function_1): Treat calling sp-depressed function as alloca.
137 (emit_call_1): Don't adjust SP if calling sp-depressed function.
138 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
139 If sp-depressed, ensure block saves and restores SP.
140 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
142 * function.c (keep_stack_depressed): New function.
143 (thread_prologue_and_epilogue_insns): Call it.
144 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
145 to print DECL_OFFSET_ALIGN.
146 Print no-force-blk and transparent-union flags properly.
147 * stmt.c (expand_goto_internal): Don't restore stack if last block
148 and function returns with sp depressed.
149 (fixup_gotos): Likewise.
150 (save_stack_pointer): New function, from code in expand_decl.
151 (expand_decl): Call new function.
152 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
153 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
154 (save_stack_pointer): New declaration.
156 * diagnostic.c (fatal_function): New variable.
157 (set_fatal_function): New function.
159 * diagnostic.h (set_fatal_function): New declaration.
161 2000-08-15 William Cohen <wcohen@redhat.com>
163 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
164 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
165 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
167 2000-08-15 Richard Henderson <rth@cygnus.com>
169 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
171 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
173 * arm.c (arm_function_ok_for_sibcall): New function.
174 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
175 * arm.md (call expanders): Don't check here for calls that can't
178 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
180 * arm.md (splits generating cond_exec): Disable.
182 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
184 * arm/linux-elf.h (text_section): Delete declaration.
186 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
188 ARM support for unordered FP operations.
189 * arm-protos.h (arm_comparison_operator): Declare.
190 * arm.c (arm_comparison_operator): New function.
191 (arm_select_cc_mode): Add unordered comparison codes.
192 (get_arm_condition_code): Likewise.
193 (arm_final_prescan_insn): Can't handle unordered jumps that can't
195 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
196 * arm.md (all uses of comparison_operator): Replace with
197 arm_comparison_operator.
198 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
200 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
203 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
205 * gthr-posix.h: Conditionally include <sched.h>; include
206 <config.h> from libobjc/.
208 2000-08-14 Richard Henderson <rth@cygnus.com>
210 * config/i386/i386.c (legitimize_pic_address): Use Pmode
213 2000-08-14 Richard Henderson <rth@cygnus.com>
215 * configure.in (ia64-*): Set float_format for i386 long double.
217 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
218 as we would for i386 XFmode.
219 (PUT_REAL): Likewise.
220 (endian, ereal_atof, real_value_truncate): Likewise.
221 (ereal_isneg, toe64, etens, make_nan): Likewise.
222 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
224 * config/ia64/ia64-protos.h: Update.
225 * config/ia64/ia64.c (general_tfmode_operand): New.
226 (destination_tfmode_operand): New.
227 (tfreg_or_fp01_operand): New.
228 (ia64_split_timode): New.
229 (spill_tfmode_operand): New.
230 (ia64_expand_prologue): Use TFmode not XFmode.
231 (ia64_expand_epilogue): Likewise.
232 (ia64_function_arg): Likewise.
233 (ia64_function_arg_advance): Likewise.
234 (ia64_return_in_memory): Likewise.
235 (ia64_function_value): Likewise.
236 (ia64_print_operand): Likewise.
237 (ia64_register_move_cost): Set GR<->FR to 5.
238 (ia64_secondary_reload_class): Get GR for TImode memory op.
239 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
240 (ROUND_TYPE_ALIGN): Remove.
241 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
242 (INTEL_EXTENDED_IEEE_FORMAT): Define.
243 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
244 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
245 (MODES_TIEABLE_P): Use TFmode, not XFmode.
246 (CLASS_MAX_NREGS): Likewise.
247 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
248 (PREDICATE_CODES): Update.
249 * config/ia64/ia64.md (movti): New.
250 (movti_internal): Use a clobber for memory alternatives.
251 (reload_inti, reload_outti): New.
252 (movsfcc_astep): Predicate properly.
253 (movdfcc_astep): Likewise.
256 (extendsftf2, extenddftf2): New.
257 (trunctfsf2, trunctfdf2): New.
258 (floatditf2, fix_trunctfdi2): New.
259 (floatunsditf2, fixuns_trunctfdi2): New.
260 (addtf3, subtf3, multf3, abstf2): New.
261 (negtf2, nabstf2, mintf3, maxtf3): New.
262 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
264 (fr_spill): Use TFmode, not XFmode.
265 (fr_restore): Likewise.
266 * config/ia64/lib1funcs.asm (__divtf3): New.
267 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
269 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
271 * cse.c (fold_rtx): Avoid empty body in an if-statement.
273 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
274 `U' integer constant suffix.
276 * dwarf2out.c (add_subscript_info): Avoid empty body in an
279 * sparc/sol2.h (__enable_execute_stack): Prototype.
281 2000-08-14 David Edelsohn <edelsohn@gnu.org>
283 * collect2.c: Remove use of AIX import file.
285 * longlong.h: Test ARCH_PWR not ARCH_POWER.
287 * rs6000.c (print_operand, case 'E'): Add else.
289 2000-08-14 Richard Henderson <rth@cygnus.com>
291 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
292 (movdi_symbolic): New.
294 2000-08-14 Jim Wilson <wilson@cygnus.com>
296 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
297 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
298 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
301 2000-08-14 Richard Henderson <rth@cygnus.com>
303 * expr.c (emit_group_load): Don't force constants into registers.
304 Special case source already in the correct mode.
306 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
308 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
309 * fixinc/inclhack.def: Likewise.
310 * fixinc/mkfixinc.sh: Likewise.
311 * configure: Regenerate.
312 * fixinc/fixincl.x: Regenerate.
313 * install.texi: Document equivalence of linux and linux-gnu.
315 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
317 * cse.c (insert_regs): Also in REG case: When finding an invalid
318 value, and we make a new quantity, make sure that it won't be
319 mistaken by for a valid one by mention_regs.
321 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
323 * h8300.md: Remove obsolete peepholes.
325 2000-08-13 Kazu Hirata <kazu@hxi.com>
327 * invoke.texi (H8/300 Options): Fix typos.
328 * config/h8300.c: Fix formatting.
329 * config/h8300.h: Fix comment typos.
330 (OVERRIDE_OPTIONS): Fix formatting.
332 * function.c: Fix formatting.
334 * cse.c: Fix formatting.
336 2000-08-13 Geoff Keating <geoffk@cygnus.com>
338 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
339 (attempt_auto_inc): Suppress parentheses warning.
340 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
341 * loop.c (load_mems): Remove `u' suffix in two places.
342 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
344 * config/rs6000/rs6000.h: Likewise.
345 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
346 __eabi dummy routine.
347 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
350 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
351 not put stuff in .sdata unnecessarily.
352 (rs6000_unique_section): New function.
353 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
354 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
356 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
357 arrays in C99. Don't try to look at DECL_REGISTER of a
358 COMPONENT_REF. Don't complain twice about the same error.
360 * fixinc/inclhack.def (aix_pthread): New fix.
361 (aix_sysmachine): New fix.
362 * fixinc/fixincl.x: Regenerate.
364 * expr.c (expand_expr): Call convert_modes when turning a large
365 multiply into a small one.
367 2000-08-12 Geoff Keating <geoffk@cygnus.com>
369 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
370 the tree structure an exponent rather than an explicit alignment
371 so it doesn't overflow.
372 (SET_DECL_OFFSET_ALIGN): New macro.
373 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
374 rather than DECL_OFFSET_ALIGN.
375 (place_field): Likewise.
376 * expmed.c (store_bit_field): Abort on align==0 to avoid
377 antisocial machine behaviour.
379 2000-08-12 Richard Henderson <rth@cygnus.com>
381 * sibcall.c (uses_addressof): Accept both addressof and
382 current_function_internal_arg_pointer inside a mem.
383 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
384 if current_function_uses_addressof.
385 * stmt.c (expand_return): Kill tail recursion and HAVE_return
388 2000-08-11 Richard Henderson <rth@cygnus.com>
390 * config/ia64/ia64.md (addsi3): Remove expander.
391 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
392 (*addsi3_shladd): New.
394 2000-08-11 Richard Henderson <rth@cygnus.com>
396 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
397 (do_restore): Likewise.
398 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
399 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
400 (rtx_needs_barrier): Track actual bit manipulation for
401 ar.unat moves, gr_spill, and gr_restore.
402 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
403 (process_set): Don't handle varargs spills.
404 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
405 .mem.offset here instead of in process_set.
406 (gr_restore): Likewise.
408 2000-08-11 Richard Henderson <rth@cygnus.com>
410 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
412 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
414 * gcc.texi (The Configuration File): Document
415 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
416 UPDATE_PATH_HOST_CANONICALIZATION.
418 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
420 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
421 unprototyped function pointer casts on integer constants.
423 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
425 * fixproto: Recognize DOS paths with drive letters as absolute paths.
427 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
429 * extend.texi (Volatiles): Fix typos.
431 2000-08-11 Kazu Hirata <kazu@hxi.com>
433 * flow.c: Fix formatting.
435 2000-08-11 Richard Henderson <rth@cygnus.com>
437 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
438 pattern, always allocate a tertiary scratch register.
440 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
441 (reload_inhi): Likewise.
443 2000-08-11 Richard Henderson <rth@cygnus.com>
445 * function.c (put_reg_into_stack): Allow type to be NULL.
446 (schedule_fixup_var_refs): Likewise.
447 (gen_mem_addressof): Allow decl to be NULL.
448 (put_addressof_into_stack): Likewise.
450 * flow.c (merge_blocks_nomove): Be more careful about
451 locating the beginning of block A.
453 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
455 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
460 * config.in: Reverted the check for <sched.h>.
462 2000-08-10 Chris Demetriou <cgd@sibyte.com>
464 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
465 macros define the name of CTOR and DTOR sections.
466 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
467 DTOR_LIST_END): Change to use attributes to specify
469 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
470 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
471 DTOR_LIST_END): Same as in mips/elf.h.
473 2000-08-10 Drew Moseley <dmoseley@redhat.com>
475 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
476 disabling just crt0.o.
478 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
480 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
481 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
482 (EXTRA_SPECS): Add them.
483 * arm/lib1funcs.asm: Support builds for interworking.
484 Use macros to eliminate duplicated pieces of code.
486 2000-08-10 Kazu Hirata <kazu@hxi.com>
488 * h8300.c (expand_a_rotate): New.
489 (emit_a_rotate): Likewise.
490 (h8300_adjust_insn_length): Add support for the rotate insns.
491 * h8300.md (rotlqi3): New.
492 (*rotlqi3_1): Likewise.
494 (*rotlhi3_1): Likewise.
496 (*rotlhi3_1): Likewise.
497 * h8300-proto.h: Add prototypes for expand_a_rotate and
500 * h8300.c: Fix comment typos.
501 (dosize): Declare the variable amount as unsigned.
502 (get_shift_alg): Fix a comparison between signed and unsigned.
503 (emit_a_shift): Likewise.
504 (h8300_adjust_insn_length): Simplify the code.
506 * c-decl.c: Fix formatting.
508 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
510 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
511 warning about non-traditional numeric constant suffixes.
513 * cppexp.c (parse_number): Likewise.
515 * invoke.texi: (-Wtraditional): Document new behavior.
517 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
519 * gthr-posix.h: Include auto-host.h. Conditionally include
521 * configure.in: Check for the <sched.h> header file.
522 * config.in: Added define for HAVE_SCHED_H.
524 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
526 * c-typeck.c (process_init_element): For -Wtraditional, warn about
527 initialization of unions.
529 * invoke.texi (-Wtraditional): Document new behavior.
531 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
533 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
534 instead of extra_c_flags.
535 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
536 * configure: Regenerate.
537 * config.in: Regenerate.
539 * cpperror.c (cpp_type2name): New function.
540 * cpplex.c (lex_line): If we issued an error for an invalid
541 preprocessing directive, discard that logical line.
542 * cpplib.c (do_line): Call a hook function if the current file
544 (do_ident): Pass the contents of the string, not the entire
545 token, to the callback function.
546 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
547 (cb.rename_file): New hook function.
548 (cb.ident): Adjust prototype.
549 (cpp_type2name): Prototype.
550 * cppmacro.c (dump_macro_args): Correct precedence lossage.
552 * cppmain.c (cb_ident): Update for changed interface.
553 (cb_rename_file): New function.
554 (main): Set rename callback.
556 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
558 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
559 multi-word registers.
561 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
563 * c-common.c (combine_strings, check_format_info): Refer to ISO C
564 or ISO C89 instead of ANSI C.
565 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
566 build_enumerator, do_case): Likewise.
567 * c-lex.c (parse_float, yylex): Likewise.
568 * c-parse.in: Likewise.
569 * c-typeck.c (common_type, build_array_ref, build_binary_op,
570 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
571 build_c_cast, convert_for_assignment, set_init_index,
572 set_init_label, c_expand_start_case): Likewise.
573 * toplev.c (documented_lang_options, display_help): Likewise.
575 2000-08-08 Kazu Hirata <kazu@hxi.com>
577 * h8300.c: Fix formatting.
579 * h8300.md: Likewise.
580 (movsi_h8300hs): Fix formatting of the resulting assembly code.
582 * reload1.c: Fix formatting.
584 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
586 * alpha/alpha.c (alpha_emit_xfloating_libcall):
587 Use GEN_CALL_VALUE define.
588 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
589 * clipper/clipper.md (untyped_call): Likewise.
590 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
591 * fx80/fx80.md (untyped_call): Likewise.
592 * mips/mips.md (untyped_call): Likewise.
593 * ns32k/ns32k.md (untyped_call): Likewise.
594 * pa/pa.md (untyped_call): Likewise.
595 * romp/romp.md (untyped_call): Likewise.
596 * sparc/sparc.md (untyped_call): Likewise.
598 2000-08-08 Jason Eckhardt <jle@cygnus.com>
600 * config/i860/i860.c (singlemove_string): Do not generate assembler
601 pseudo instructions that must be expanded (that is, with signed
602 constants larger than 16 bits).
604 2000-08-08 Richard Henderson <rth@cygnus.com>
606 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
607 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
608 (init_propagate_block_info): Don't kill memory stores at -O0.
609 (mark_set_1, mark_used_regs): Likewise.
611 2000-08-08 David Edelsohn <edelsohn@gnu.org>
613 * rs6000.c (optimization_options): Decorate 'level' as
615 (mask64_operand): Remove sign-extend thinko.
616 (rldic_operand): New function.
617 (load_multiple_operation): regno's are unsigned ints.
618 (store_multiple_operation): Likewise.
619 (lmw_operation): Likewise.
620 (stmw_operation): Likewise.
621 (includes_lshift_p): shift_mask is unsigned int.
622 (includes_lshift64_p): New function.
623 (addrs_ok_for_quad_peep): unsigned int reg1.
624 (print_operand): Consistently add "else" after
625 output_operand_lossage().
626 (print_operand, case 'b'): Fold in case 'W'.
627 (print_operand, case 'W'): Print rldic MB value.
628 (output_epilogue): Update Objective-C language string.
629 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
630 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
631 * rs6000.md (ashldi3): Add rldic instruction.
632 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
633 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
636 2000-08-08 Richard Henderson <rth@cygnus.com>
638 * config/ia64/ia64-protos.h: Remove duplicates. Update
639 for massive code rearrangements.
640 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
641 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
642 (ia64_local_regs, ia64_need_regstk): Remove.
643 (ar_ccv_reg_operand): New.
644 (ia64_gp_save_reg): New.
645 (struct ia64_frame_info): Combine most of the size elements;
646 add new gr save elements.
647 (find_gr_spill): New.
648 (next_scratch_gr_reg): New.
649 (mark_reg_gr_used_mask): New.
650 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
651 to GR backing store regs when possible.
652 (ia64_initial_elimination_offset): New.
653 (ia64_rap_fp_offset): Remove.
654 (save_restore_insns): Remove.
655 (setup_spill_pointers): New.
656 (finish_spill_pointers): New.
657 (spill_restore_mem): New.
658 (do_spill, do_restore): New.
659 (ia64_expand_prologue): Rewrite to use them.
660 (ia64_expand_epilogue): Likewise.
661 (ia64_direct_return): Update for current_frame_info changes.
662 (ia64_function_prologue): Simplify .prologue emission. Emit
664 (ia64_setup_incoming_varargs): Don't ever emit rtl.
665 (ia64_dbx_register_number): New.
666 (ia64_initialize_trampoline): New.
667 (ia64_secondary_reload_class): Request GR_REGS for integer
668 arithmetic destined for FR_REGS.
669 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
670 (ia64_mark_machine_status): Mark ia64_gp_save.
671 (rws_access_regno): Rename from rws_access_reg; don't treat
672 predicates specially.
673 (rws_access_reg): New. Update all callers.
674 (rtx_needs_barrier): Remove dead unspecs.
675 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
676 (ia64_encode_section_info): Silence signed/unsigned warnings.
677 (spill_offset, sp_offset, spill_offset_emitted): Remove.
678 (tmp_reg, tmp_saved): Remove.
679 (process_set): Rewrite to expect complicated bits via
680 REG_FRAME_RELATED_EXPR.
681 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
682 in the use of ar.ccv; never set RTX_UNCHANGING_P.
683 (ia64_expand_op_and_fetch): Likewise.
684 (ia64_expand_compare_and_swap): Likewise.
685 (ia64_expand_builtin): Likewise.
686 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
687 (FIRST_PSEUDO_REGISTER): Update.
688 (AR_M_REGNO_P): Update.
689 (FIXED_REGS): Don't mark three local registers as used.
690 (EXTRA_CC_MODES): New.
691 (SELECT_CC_MODE): New.
692 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
693 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
694 (FRAME_GROWS_DOWNWARD): Unset.
695 (STARTING_FRAME_OFFSET): Zero.
696 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
697 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
698 (HARD_FRAME_POINTER_REGNUM): New.
699 (CAN_DEBUG_WITHOUT_FP): Define.
700 (TRAMPOLINE_TEMPLATE): Remove.
701 (TRAMPOLINE_SIZE): Lower to 32.
702 (TRAMPOLINE_ALIGNMENT): Lower to 64.
703 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
704 (PREDICATE_CODES): Update.
705 (struct machine_function): Add ia64_gp_save.
706 * config/ia64/ia64.md: Purge unused unspecs.
707 (movsi patterns): Allow moves to/from AR_M_REGS.
708 (movdi patterns): Allow moves to/from p0.
709 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
710 (gr_spill, gr_restore): Indicate ar.unat read/written.
711 (nonlocal_goto): Don't pass old frame_pointer.
712 (nonlocal_goto_receiver): Remove.
713 (exception_receiver): New.
714 (builtin_setjmp_setup): New.
715 (builtin_setjmp_receiver): New.
716 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
717 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
718 (__ia64_restore_stack_nonlocal): Likewise.
719 (__ia64_trampoline): New.
720 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
722 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
724 2000-08-08 Richard Henderson <rth@cygnus.com>
726 * frame.h (ia64_frame_state): Add my_psp.
727 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
728 (__throw): Pass it in. Don't clobber r7.
729 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
730 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
731 and nothing to do with sp.
732 (normalize_reg_loc): Use frame->my_psp.
733 (frame_translate): Handle frame-pointer-less functions. Set
734 spill_base correctly, in absence of being told.
735 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
736 (__ia64_backtrace_helper): New sp argument. Use
737 builtin_return_address instead of label addresses.
738 (print_record) [mem_stack_v]: No size member.
740 2000-08-08 Richard Henderson <rth@cygnus.com>
742 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
744 2000-08-08 Richard Henderson <rth@cygnus.com>
746 * tm.texi (LOCAL_REGNO): Document.
747 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
748 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
749 * reload1.c (reload): Likewise when considering nonlocal labels.
751 * config/ia64/ia64.h (LOCAL_REGNO): New.
752 * config/sparc/sparc.h (LOCAL_REGNO): New.
754 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
756 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
758 2000-08-07 Nick Clifton <nickc@redhat.com>
760 * config/mips/mips.c: Fix compile time warning messages.
761 * config/mips/mips-protos.h: Add prototype for equality_op.
763 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
765 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
767 * mn10300.md: Use nonimmediate_operand instead of general_operand
770 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
772 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
774 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
775 * sh.c (expand_block_move): Break long lines.
776 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
777 * sh.md (mulsi3): Likewise.
778 (movdi): Adjust spacing.
780 2000-08-07 Richard Henderson <rth@cygnus.com>
782 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
783 * expr.c (emit_group_store): Don't set it.
785 2000-08-07 Kazu Hirata <kazu@hxi.com>
787 * invoke.texi (Options for Debugging Your Program or GCC): Remove
788 duplicate entries for 'w' and 'z'.
790 * flow.c: Fix a comment typo.
792 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
794 * c-parse.in: Changed the language string for Objective-C to "GNU
797 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
799 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
800 to improve the Posix thread support for Objective-C.
802 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
804 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
805 CTI_UNSIGNED_PTRDIFF_TYPE.
806 (signed_size_type_node): Define.
807 (unsigned_ptrdiff_type_node): Define.
808 * c-decl.c (init_decl_processing): Create the
809 signed_size_type_node and unsigned_ptrdiff_type_node types.
810 * c-common.c (T_SC): Define.
813 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
814 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
816 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
817 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
818 flags for %c, %s and %[.
819 (check_format_info): Only allow leniency for signedness of targets
820 of character pointers (when pedantic) for formats flagged with
821 "c", so for strings but not for %hh formats. When pedantic, don't
822 allow character pointers to substitute for void pointers if a
823 second level of indirection is present.
825 2000-08-06 Kazu Hirata <kazu@hxi.com>
827 * invoke.texi (Options for Debugging Your Program or GCC): Update
828 the names of dump files.
830 * h8300.c (dosize): Rearrange code for conciseness.
831 (split_adds_subs): Likewise.
833 * loop.c: Fix formatting.
835 * dwarf2out.c: Fix formatting.
837 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
839 * expr.c: Fix formatting.
841 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * rs6000.c (rs6000_maybe_dead): Prototype.
845 2000-08-06 Richard Henderson <rth@cygnus.com>
847 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
848 HAVE_nonlocal_goto as well.
849 * config/i960/i960.md (nonlocal_goto): Don't do it here.
850 * config/pj/pj.md (nonlocal_goto): Likewise.
852 2000-08-07 Michael Hayes <mhayes@cygnus.com>
854 * loop.c (try_swap_copy_prop): New function.
855 (load_mems): Rename copies to load_copies and add new regset
856 store_copies. Check for sets of shadow registers and mark
857 in store_copies. Call try_swap_copy_prop for registers
858 marked in store_copies.
860 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
862 * objc/objc-act.c: New command line option -fconstant-string-class
863 to allow specifying a user defined constant string class,
864 different from NXConstantString.
866 * toplev.c: Moved the Objective-C specific options to
869 * objc/lang-options.h: Moved the Objective-C specific options from
870 toplev.c. Added -fconstant-string-class.
872 2000-08-05 Chris Demetriou <cgd@sibyte.com>
874 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
875 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
876 __CTOR_LIST__ from func_ptr array to just func_ptr, to
877 avoid extra alignment imposed on arrays.
878 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
879 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
881 * mips.h: Clean up comments and spacing near MASKs.
882 (TARGET_UNIX_ASM): Delete.
883 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
884 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
887 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
889 * c-common.c (print_char_table): Add entries for the X/Open '
890 format flag (print decimals with locale's thousands grouping
891 character). Make %C expect wint_t.
892 (check_format_info): If pedantic, warn when the %n$ operand
893 number form is used. Allow for the ' flag; warn about it if
896 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
898 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
899 type is a float mode, cfun->decl's return type is not, and
900 TARGET_FLOAT_RETURNS_IN_80387.
902 2000-08-04 Andreas Schwab <schwab@suse.de>
904 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
905 token list, which are always `#' and `pragma'.
907 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
909 * tree.c (tree_expr_nonnegative_p): Move to...
910 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
911 (rtl_expr_nonnegative_p): New.
912 * tree.h: Add prototype for rtl_expr_nonnegative_p.
914 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
915 CONST_DOUBLE_CHAIN: Move to...
916 * rtl.h: ...here. Use XCINT/XCEXP.
918 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
919 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
920 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
923 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
925 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
927 * config/c4x/c4x.md (return_indirect_internal): New.
928 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
930 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
932 * c-common.c (time_char_table): Mark up formats added in C99 and
933 make other corrections. %D and %g were added in C99. %Og is an
934 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
935 C99. %e was added in C99. %Oj is an extension. %G and %z are in
936 C99 rather than GNU extensions, but %OG and %Oz are extensions.
937 %h was added in C99. %C was added in C99. %OY and %OC are
938 extensions. Add the C99 format %F.
939 (check_format_info): If pedantic and not in C99 mode, warn for C99
942 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
944 * function.c (schedule_fixup_var_refs): New function, broken out
945 of put_reg_into_stack.
946 (put_reg_into_stack): Use it.
947 (put_var_into_stack): In CONCAT case, fixup up references for
948 components only after fixing up references to the whole concat.
950 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
952 * alias.c (mark_constant_function): Use INSN_P.
953 (init_alias_analysis): Likewise.
954 * combine.c (combine_instructions): Use INSN_P.
955 (can_combine_p): Likewise.
956 (try_combine): Likewise.
957 (distribute_notes): Likewise.
958 (distribute_links): Likewise.
959 * cse.c (cse_around_loop): Use INSN_P.
960 (invalidate_skipped_block): Likewise.
961 (cse_set_around_loop): Likewise.
962 (cse_end_of_basic_block): Likewise.
963 (delete_trivially_dead_insns): Likewise.
964 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
965 (unshare_all_rtl_1): Likewise.
966 (next_cc0_user): Likewise.
967 (try_split make_insn_raw): Likewise.
968 (remove_unnecessary_notes): Likewise.
969 * final.c (shorten_branches): Use INSN_P.
970 (leaf_renumber_regs): Likewise.
971 (leaf_renumber_regs_insn): Likewise.
972 * flow.c (find_label_refs): Use INSN_P.
973 (verify_wide_reg): Likewise.
974 (notice_stack_pointer_modification): Likewise.
975 (count_or_remove_death_notes): Likewise.
976 (verify_flow_info): Likewise.
977 (clear_log_links): Likewise.
978 * function.c (fixup_var_refs_insns): Use INSN_P.
979 (compute_insns_for_mem): Likewise.
980 * gcse.c (alloc_gcse_mem): Use INSN_P.
981 (compute_sets): Likewise.
982 (compute_hash_table): Likewise.
983 (classic_gcse): Likewise.
985 (insert_insn_end_bb): Likewise.
986 (delete_null_pointer_checks_1): Likewise.
987 * global.c (expand_preferences): Use INSN_P.
988 (build_insn_chain): Likewise.
989 * graph.c (node_data): Use INSN_P.
990 * haifa-sched.c (priority): Use INSN_P.
991 (rm_line_notes): Likewise.
992 (rm_other_notes): Likewise.
993 (find_insn_reg_weight): Likewise.
994 (init_target_units): Likewise.
995 (schedule_block): Likewise.
996 (compute_block_forward_dependences): Likewise.
997 (debug_dependencies): Likewise.
998 (set_priorities): Likewise.
999 * integrate.c (function_cannot_inline_p): Use INSN_P.
1000 (save_parm_insns): Likewise.
1001 (copy_insn_list): Likewise.
1002 * jump.c (mark_all_labels): Use INSN_P.
1003 (never_reached_warning): Likewise.
1004 * lcm.c (optimize_mode_switching): Use INSN_P.
1005 * local-alloc.c (validate_equiv_mem): Use INSN_P.
1006 (memref_used_between_p): Likewise.
1007 (update_equiv_regs): Likewise.
1008 (block_alloc): Likewise.
1009 (no_conflict_p): Likewise.
1010 * loop.c (scan_loop): Use INSN_P.
1011 (find_and_verify_loops): Likewise.
1012 (count_loop_regs_set): Likewise.
1013 (loop_reg_used_before_p): Likewise.
1014 (strength_reduce): Likewise.
1015 (recombine_givs): Likewise.
1016 (check_dbra_loop): Likewise.
1017 (load_mems): Likewise.
1018 (try_copy_prop): Likewise.
1019 * print-rtl.c (print_rtx): Use INSN_P.
1020 * recog.c (find_single_use): Use INSN_P.
1021 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
1022 (next_flags_user): Likewise.
1023 (swap_rtx_condition): Likewise.
1024 * regmove.c (mark_flags_life_zones): Use INSN_P.
1025 (optimize_reg_copy_1): Likewise.
1026 (optimize_reg_copy_2): Likewise.
1027 (optimize_reg_copy_3): Likewise.
1028 (reg_is_remote_constant_p): Likewise.
1029 (fixup_match_2): Likewise.
1030 (regmove_optimize): Likewise.
1031 (fixup_match_1): Likewise.
1032 * regrename.c (build_def_use): Use INSN_P.
1033 (replace_reg_in_block): Likewise.
1034 (consider_use): Likewise.
1035 * reload.c (find_equiv_reg): Use INSN_P.
1036 * reload1.c (reload): Use INSN_P.
1037 (maybe_fix_stack_asms): Likewise.
1038 (calculate_needs_all_insns): Likewise.
1039 (reload_as_needed): Likewise.
1040 (emit_output_reload_insns): Likewise.
1041 (delete_address_reloads_1): Likewise.
1042 (reload_cse_regs_1): Likewise.
1043 (reload_combine): Likewise.
1044 (reload_cse_move2add): Likewise.
1045 * reorg.c (redundant_insn): Use INSN_P.
1046 (dbr_schedule): Likewise.
1047 * resource.c (find_dead_or_set_registers): Use INSN_P.
1048 (mark_target_live_regs): Likewise.
1049 * rtlanal.c (reg_used_between_p): Use INSN_P.
1050 (reg_referenced_between_p): Likewise.
1051 (reg_set_between_p): Likewise.
1052 (reg_set_p): Likewise.
1053 (single_set): Likewise.
1054 (multiple_sets): Likewise.
1055 (find_last_value): Likewise.
1056 (reg_set_last): Likewise.
1057 (find_reg_note): Likewise.
1058 (find_regno_note): Likewise.
1059 * sibcall.c (sequence_uses_addressof): Use INSN_P.
1060 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
1061 * ssa.c (find_evaluations): Use INSN_P.
1062 (rename_block): Likewise.
1063 (rename_equivalent_regs): Likewise.
1064 * unroll.c (loop_find_equiv_value): Use INSN_P.
1065 (set_dominates_use): Likewise.
1066 * varasm.c (mark_constant_pool): Use INSN_P.
1067 (mark_constants): Likewise.
1068 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
1069 (alphaev4_next_group): Likewise.
1070 (alphaev5_next_group): Likewise.
1071 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
1072 (c4x_rptb_rpts_p): Likewise.
1073 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
1074 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
1075 (rs6000_adjust_priority): Likewise.
1076 * config/sh/sh.c (sh_loop_align): Use INSN_P.
1077 (machine_dependent_reorg): Likewise.
1078 (split_branches): Likewise.
1079 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
1081 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
1083 * combine.c (recog_for_combine): Remove the old notes
1084 prior to attempting to recognize the new pattern.
1085 (distribute_notes): Ignore REG_NONNEG notes.
1087 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
1089 * varasm.c (output_constructor): Add .align 0 for packed vars.
1091 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1093 * configure.in: Use default thread_file even when enable_threads is
1094 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
1095 * configure: Rebuilt.
1097 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
1099 2000-08-04 Donn Terry (donnte@microsoft.com)
1101 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
1103 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
1105 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
1106 Delete code that conditionally modifies 'version'.
1107 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
1108 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
1109 * gcc.c (main): Use it.
1110 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
1111 * prefix.c (update_path): Use it.
1112 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
1113 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
1114 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
1116 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
1117 (SUBTARGET_SWITCHES): Adjust.
1118 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
1120 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
1122 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1124 * c-common.h (flag_isoc94): Declare.
1125 * c-decl.c (flag_isoc94): Define.
1126 (c_decode_option): Set flag_isoc94 as appropriate.
1127 * c-common.c (T_PD, T_IM, T_UIM): Define.
1128 (format_char_info): Add tlen and jlen.
1129 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
1131 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
1133 (time_char_table): Add NULL entries for %t and %j.
1134 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
1135 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
1136 Warn for printf %lf if pedantic and not C99. Don't warn for empty
1137 precision. Allow precision argument to be unsigned int. If
1138 pedantic, warn for %p passed an argument not a pointer to possibly
1139 qualified void or a possibly qualified character type, and for
1140 pointer targets of the wrong sign, except for character pointers.
1142 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1144 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
1145 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
1146 (wint_type_node): Define.
1147 * c-decl.c (WINT_TYPE): Define.
1148 (init_decl_processing): Create the wint_type_node type.
1149 * c-common.c (T_WI): Define.
1150 (print_char_table): Use T_WI for %lc format.
1152 2000-08-04 Bruce Korb <bkorb@gnu.org>
1154 * fixinc/: Verified that the MSDOS patch does not break
1155 the UNIX functionality and applied the next three patches
1158 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
1160 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
1161 output file with the temporary one by appending ".X" to generate
1162 the temporary fuile's name. If the output file already has an
1163 extension, replace it with ".X".
1165 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
1166 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
1167 reallocate the command buffer while copying the command-line
1168 argument. Redirect the output directly to the temporary file,
1169 instead of going through another temporary file.
1170 (process): Close the temporary file before unlinking it.
1171 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
1172 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
1173 (run_compiles): Pass p_fixd argument to machine_matches, as it
1176 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
1177 environment, assume there are no symlinks in the include
1178 directory. When cleaning up the DONE files, look for them
1179 case-insensitively. Don't try to remove symlinks if they aren't
1182 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
1183 all callers changed. Declare pz "const char *", to avoid compiler
1186 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
1187 Change prototype of make_raw_shell_str.
1189 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
1191 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
1192 (initialize) [__MSDOS__]: Use tempnam.
1193 (initialize): Don't use SIGPIPE if it is not defined.
1195 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
1198 2000-07-25 Bruce Korb <bkorb@gnu.org>
1200 * fixinc/fix*.[ch]: substantially reworked to make it possible
1201 to run this program without using fork(2) or pipe(2) (i.e. in
1204 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1206 * cppdefault.h (WINT_TYPE): Define.
1207 * cppinit.c (builtin_array): Define __WINT_TYPE__.
1208 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
1209 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
1211 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
1213 * (mips_legitimate_address_p): Don't allow register+offset
1214 if the offset is large and negative, and we are compiling
1215 for 64 bit registers.
1217 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1219 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
1220 insn_code_number + 1.
1222 2000-08-04 Kazu Hirata <kazu@hxi.com>
1224 * h8300.c (function_prologue): Rearrange code for conciseness.
1225 (function_epilogue): Likewise.
1226 * h8300.h (OK_FOR_U): Fix formatting.
1228 * cse.c: Fix a comment typo. Fix formatting.
1230 2000-08-03 Richard Henderson <rth@cygnus.com>
1232 * config/i386/i386.md (return_indirect_internal): New.
1233 * config/i386/i386.c (ix86_expand_epilogue): Use it.
1235 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
1237 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
1239 (lex_line): Glue @ onto the beginning of identifiers and
1240 string constants, in Objective-C mode.
1241 (output_token, spell_token): Handle CPP_OSTRING.
1242 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
1243 beginning of a NAME or a STRING, in objc mode.
1245 * cpplib.c (get_define_node): Do not permit identifiers that
1246 begin with @ to be #defined.
1247 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
1248 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
1250 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
1251 * c-tree.h (build_objc_string): Delete prototype.
1252 * objc/objc-tree.def: Delete OBJC_STRING_CST.
1253 * c-lex.c (yylex): Use build_string for all three kinds of strings.
1255 * c-parse.in, objc/objc-act.c: Update commentary.
1257 2000-08-03 Mark Mitchell <mark@codesourcery.com>
1259 * extend.texi: Fix typo in last change.
1261 * extend.texi: Add commentary on statement-expressions and their
1262 interactions with C++.
1264 2000-08-03 Nick Clifton <nickc@cygnus.com>
1266 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
1267 * dwarf.h (LANG_JAVA): Change value to 0x000b.
1269 2000-08-03 Anthony Green <green@cygnus.com>
1271 * dwarf2out.c (gen_compile_unit_die): Add java language support.
1272 (add_bound_info): Check for java language.
1273 (is_java): New function.
1274 * dwarfout.c (output_compile_unit_die): Ditto.
1275 * dwarf.h (dwarf_source_language): Add java source language type.
1276 * dwarf2.h (dwarf_source_language): Ditto.
1278 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1280 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
1283 * i386.c (ix86_expand_branch): Mode of comparison in
1284 IF_THEN_ELSE is VOIDmode.
1286 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
1288 * gengenrtl.c, rtl.c: Avoid #elif.
1290 2000-08-03 Michael Poole <poole@troilus.org>
1292 * tm.texi (Register Classes): Clarify order of sub-initializers
1293 in REG_CLASS_CONTENTS.
1295 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1297 From SAITOH Masanobu:
1298 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
1300 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
1302 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
1303 is not supported by tradcpp and isn't actually needed for cygwin.
1305 2000-08-03 Kazu Hirata <kazu@hxi.com>
1307 * h8300.c: Fix a comment typo.
1308 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
1310 * jump.c: Fix formatting.
1312 * toplev.c: Fix formatting.
1314 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
1316 * flow.c (find_auto_inc): Verify that we've got a REG before
1317 peeking at its regno. Fail, don't abort if we can't find
1318 the increment of the desired register.
1320 * pa.md (shadd height reduction patterns/splitters): Remove.
1322 2000-08-02 Jim Wilson <wilson@cygnus.com>
1324 * config/ia64/ia64-protos.h (flag_ssa): Declare.
1325 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
1327 2000-08-02 Mark Mitchell <mark@codesourcery.com>
1329 * dce.c: Remove all uses of assert.
1330 * dwarf2out.c: Likewise.
1331 * dwarfout.c: Likewise.
1334 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1336 * gcc.h (lang_specific_driver): Constify second argument.
1337 * gcc.c (translate_options, process_command, main): Likewise.
1338 Constify variables to match. Cast second argument to
1341 * cppspec.c, gccspec.c: Adjust type of second argument to
1342 lang_specific_driver, and update code as necessary.
1344 2000-08-02 Jakub Jelinek <jakub@redhat.com>
1346 * loop.c (scan_loop): Ensure update_end label does not
1347 go away until reg_scan_update is run.
1349 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1351 * c-common.h: Prototype min_precision and c_build_qualified_type here...
1352 * c-tree.h: ... not here.
1353 * errors.h: Prototype fancy_abort.
1355 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
1356 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
1357 * regrename.c (regrename_optimize): Make control flow explicit.
1358 (replace_reg_in_block): Initialize reg_use to 0.
1360 * i386.c (legitimate_address_p): Rename error label to
1361 report_error to avoid namespace clash.
1363 2000-08-02 Kazu Hirata <kazu@hxi.com>
1365 * fold-const.c: Fix formatting.
1367 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
1369 * i386.c (legitimate_address_p): Accept other bases than
1370 pic_offset_table_rtx for GOTOFF constructs.
1372 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1374 * i386.md (shift to lea splitter): Use const_int_operand.
1376 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1378 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
1379 cppspec.c: Do not use 'legal' or 'illegal' in error messages
1382 * cppmain.c (cb_define, cb_undef): Don't generate any output
1383 if not done_initializing.
1384 * cpplex.c (maybe_paste_with_next): When the token after a ##
1385 is an omitted rest argument, only delete the token before it
1386 if that token is a comma. Do not warn about bogus token
1387 pastes for , ## rest_arg.
1390 * cpp.1: Regenerate.
1392 2000-08-02 Fred Fish <fnf@be.com>
1394 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
1395 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
1398 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
1399 Be directories to search path.
1401 Remove support for __declspec(dllimport) and __declspec(dllexport).
1402 This is leftover cruft from the earlier BeOS gcc port when BeOS
1403 used Microsoft's PE object file format.
1404 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
1405 * config/i386/t-beos (winnt.o): Remove Makefile frag.
1406 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
1407 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
1408 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
1409 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
1410 (REDO_SECTION_INFO_P): Remove.
1411 (ASM_EXPORT_DECL): Remove.
1412 (ASM_DECLARE_FUNCTION_NAME): Remove.
1413 (ASM_DECLARE_OBJECT_NAME): Remove.
1414 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1415 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
1416 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
1417 (STRIP_NAME_ENCODING): Remove.
1419 Remove support for obsolete version of BeOS that is no longer
1421 * configure.in (i*86-*-beospe*): Remove.
1422 * config/i386/beos-pe.h: Remove.
1424 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
1425 Mark Mitchell <mark@codesourcery.com>
1427 * Makefile.in (OBJS): Added dce.o.
1428 (ssa.o): Updated target to include ssa.h.
1430 (toplev.o): Likewise.
1431 (dce.o): Created target.
1432 * basic-block.h: Added comments.
1433 (INVALID_BLOCK): Added definition.
1434 (connect_infinite_loops_to_exit): Added declaration.
1435 Moved SSA declarations to ssa.h.
1436 * flow.c: Added inclusion of ssa.h.
1437 (struct depth_first_search_dsS, depth_first_search_ds):
1439 (compute_immediate_postdominators): Added definition.
1440 (connect_infinite_loops_to_exit): Likewise.
1441 (flow_dfs_compute_reverse_init): Likewise.
1442 (flow_dfs_compute_reverse_add_bb): Likewise.
1443 (flow_dfs_compute_reverse_execute): Likewise.
1444 (flow_dfs_compute_reverse_finish): Likewise.
1445 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
1446 (LABEL_P): Added definition.
1449 (BARRIER_P): Likewise.
1450 (JUMP_TABLE_DATA_P): Likewise.
1451 (INSN_DEAD_CODE_P): Likewise.
1452 * ssa.c: Replaced inclusions with ssa.h inclusion.
1453 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
1454 (rename_registers): Removed unnecessary variables.
1455 * ssa.h: Created by moving declarations from ssa.c and
1457 * timevar.def: Defined TV_DEAD_CODE_ELIM.
1458 * toplev.c: Added ssa.h inclusion.
1459 (dump_file_index): Added DFI_dce.
1460 (dump_file): Added "dce" entry.
1462 (f_options): Added dce entry.
1463 * invoke.texi: Document -fdce. Emphasize experimental status of
1467 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
1469 * cpperror.c (v_message): Split into _cpp_begin_message and
1470 v_message macro. All callers updated.
1471 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
1474 * cppfiles.c (cpp_syshdr_flags): New function.
1475 (read_include_file): Don't call cpp_output_tokens. Call
1477 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
1478 (cpp_reader_init): Don't initialize token_buffer. Call
1479 _cpp_init_internal_pragmas.
1480 (cpp_cleanup): Don't clear token_buffer.
1481 (cpp_start_read): Don't worry about output from -D processing.
1482 Don't call cpp_output_tokens.
1483 (cpp_finish): Don't dump macros here. Don't call
1485 * cppmacro.c (_cpp_dump_definition): Rename
1486 cpp_dump_definition. Write directly to a FILE *.
1487 (dump_funlike_macro): Delete.
1488 (dump_macro_args): New.
1490 * cpplex.c (TOKEN_LEN): Convert to inline function.
1491 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
1492 cpp_scan_line, _cpp_dump_list): Delete.
1493 (cpp_printf, cpp_output_list): New.
1494 (output_line_command): Don't worry about entering or leaving files.
1495 (cpp_scan_buffer): Just output each token as we hit it.
1496 (process_directive): Don't call cpp_output_tokens.
1497 (_cpp_glue_header_name): Don't use token_buffer.
1498 (output_token, dump_param_spelling): Write directly to a FILE *.
1500 * cpplib.c (pass_thru_directive, dump_macro_name,
1501 pragma_dispatch, do_pragma_gcc): Delete.
1502 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
1503 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
1505 (do_error, do_warning, pragma_dependency): Call
1506 _cpp_begin_message, then cpp_output_list.
1507 (cpp_register_pragma, cpp_register_pragma_space,
1508 _cpp_init_internal_pragmas): New.
1509 (do_pragma): Walk the pragmas table here.
1510 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
1511 do_pragma_dependency): Return void.
1512 (do_pragma_implementation): Moved to cppmain.c.
1514 * cpplib.h: Update prototypes.
1515 (struct cpp_reader): Remove printer, token_buffer,
1516 token_buffer_size, and limit. Add struct cb, and pragmas.
1517 (struct cpp_printer): Remove last_id and written.
1518 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
1519 CPP_ADJUST_WRITTEN): Delete.
1520 * cpphash.h: Update prototypes.
1521 (ufputs): New wrapper.
1523 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
1524 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
1525 (main): Set up callbacks. Register #pragma implementation.
1526 Dump macros from here.
1528 2000-08-01 Geoff Keating <geoffk@cygnus.com>
1530 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
1531 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
1532 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
1533 insns if they have a REG_MAYBE_DEAD note attached.
1534 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
1535 (rs6000_emit_load_toc_table): TOC loads may go dead.
1537 2000-08-01 Jim Wilson <wilson@cygnus.com>
1539 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
1540 type exists before using it. Use number of words as alignment
1542 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
1543 ia64_va_arg): Propagate ia64_function_args changes here.
1545 2000-08-01 Richard Henderson <rth@cygnus.com>
1547 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
1548 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1550 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
1552 From Joern Rennecke:
1553 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
1554 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
1555 unless TARGET_SH3E is set.
1556 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
1558 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
1559 (ashlsi3_std): New pattern.
1560 (ashlsi3 expander): Use it for TARGET_SH3.
1561 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
1563 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1565 * loop.c (canonicalize_condition): Use destination, not source to
1566 determine SET's mode.
1568 2000-07-31 Mark Mitchell <mark@codesourcery.com>
1570 * flow.c (clear_log_links): Fix typo.
1572 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
1574 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
1575 on targets which need more than one insn for a compare/cbranch
1578 2000-07-31 Jim Wilson <wilson@cygnus.com>
1580 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
1581 when computing offset.
1583 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
1585 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
1587 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1589 * flow.c (clear_log_links): Nuke global_live_at_start and
1590 global_live_at_end data, since if the log_links stuff is invalid
1591 so is global_live_at_*.
1593 2000-07-31 Richard Henderson <rth@cygnus.com>
1595 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
1597 2000-07-31 Jakub Jelinek <jakub@redhat.com>
1599 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
1600 (_cpp_get_token): Don't macro expand a just pasted token if it
1601 was pasted at no_expand_level.
1603 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1605 * cppmacro.c (find_param, count_params, save_expansion):
1606 Permit 'defined' as a macro parameter name.
1608 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1610 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1611 xcpp to cpp throughout.
1612 (native): Remove unnecessary dependency on cpp.
1614 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1615 tradcpp to tradcpp0.
1616 (.i spec): Add missing output-file spec to cc1 command line.
1617 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1619 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1621 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1622 (implicit_decl_warning): New function.
1623 (implicitly_declare): Use it.
1624 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1625 to complain about implicit decls of builtins.
1627 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1628 based on pedantic && flag_isoc99, if not already set.
1629 * c-tree.h: Declare mesg_implicit_function_declaration.
1630 Prototype implicit_decl_warning.
1632 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1634 * Makefile.in (ssa.o): Updated header files in dependences.
1635 * basic-block.h: Added compute_immediate_postdominators declaration.
1636 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1638 * flow.c (compute_immediate_dominators): Updated comment.
1639 (compute_immediate_postdominators): Added definition.
1640 * rtl.h (HARD_REGISTER_P): Added definition.
1641 * ssa.c: Include additional header files.
1642 (assert): Added definition.
1643 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1644 include select hard registers.
1645 (ssa_rename_to_insert): Likewise.
1646 (ssa_rename_from_initialize): Likewise.
1647 (ssa_rename_from_lookup): Likewise.
1648 (original_register): Likewise.
1649 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1650 include select hard reigsters.
1651 (ssa_rename_from_traverse): Likewise.
1652 (ssa_rename_from_free): Likewise.
1653 (ssa_rename_from_print): Likewise.
1654 (ssa_rename_from_print_1): Likewise.
1655 (ssa_rename_from_hash_function): Likewise.
1656 (ssa_rename_from_equal): Likewise.
1657 (ssa_rename_from_delete): Likewise.
1658 (simplify_to_immediate_dominators): Removed in favor of
1659 flow.c:compute_immediate_dominators.
1660 (find_evaluations_1): Modified to work with hard registers.
1661 (insert_phi_node): Likewise.
1662 (insert_phi_nodes): Likewise.
1663 (struct rename_set_data): Updated prev_reg comment.
1664 (create_delayed_rename): Modified to work with hard registers.
1665 (RENAME_NO_RTX): Updated comment.
1666 (apply_delayed_renames): Modified to work with hard registers.
1667 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1668 (rename_block): Updated to use revised ssa_rename_to interface.
1669 (rename_registers): Updated to use revised ssa_rename_to and
1670 ssa_rename_from interface.
1671 (convert_to_ssa): Revised to use compute_immediate_dominators and
1672 deal with hard registers.
1673 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1674 registers. Added check for illegal unification of hard register.
1675 (make_equivalent_phi_alternatives_equivalent): Modified to work
1676 with hard registers.
1677 (compute_conservative_reg_partition): Likewise.
1678 (coalesce_if_unconflicting): Modified to work with hard registers
1679 and check for conflicting hard registers.
1680 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1682 (rename_equivalent_regs_in_insn): Modified to work with hard
1684 (record_canonical_element_1): Added definition.
1685 (check_hard_regs_in_partition): Added definition.
1686 (convert_from_ssa): Added data structure deallocation and check
1687 for illegal hard register unification.
1688 (conflict_hard_regs_p): Added definition.
1689 * toplev.c (rest_of_compilation): Added comment.
1691 2000-07-31 Anthony Green <green@redhat.com>
1693 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1695 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1697 * builtins.c (expand_builtin_apply): Don't defer pop during
1700 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1702 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1703 preferred_unit_stack_boundary when it is > 1.
1705 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1707 * c-common.c (init_function_format_info): Add C99 format functions
1710 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1711 void' or 'register void' as being the special case of 'void' alone
1712 in a parameter list.
1714 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1715 discarding qualifiers into a plain warning.
1717 2000-07-31 Kazu Hirata <kazu@hxi.com>
1719 * combine.c: Fix formatting.
1721 * h8300.md: Fix formatting.
1723 * local-alloc.c: Fix formatting.
1725 * h8300.c (get_shift_alg): Remove the variable alg.
1726 (emit_a_shift): Rearrange code to improve readability.
1728 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1730 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1731 HImode on all architectures and a combination of HImode and SImode
1732 on H8/300H and H8/S.
1734 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1736 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1738 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1741 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1743 * recog.c (extract_insn): Set operand_mode according to
1744 operand if match_operand is VOIDmode.
1746 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1748 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1750 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1752 * c-parse.in (extdefs): Call ggc_collect between external
1755 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1756 Richard Henderson <rth@cygnus.com>
1758 * Makefile.in (OBJS): Add doloop.o.
1759 * doloop.c: New file.
1761 * final.c (insn_current_reference_address): Return 0 before final.
1762 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1763 * jump.c (any_uncondjump_p): Likewise.
1764 * loop.c (indirect_jump_in_function): Make static.
1765 (strength_reduce): Call doloop_optimize.
1766 (insert_bct, instrument_loop_bct): Remove.
1767 * loop.h (doloop_optimize): Prototype.
1768 * recog.c (split_all_insns): Split all INSN_P.
1769 * toplev.c (flag_branch_on_count_reg): Default on.
1771 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1772 flag_branch_on_count_reg.
1773 * config/i386/i386.c (override_options): Likewise.
1774 * config/rs6000/rs6000.c (optimization_options): Likewise.
1776 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1778 (dbra_ge): Remove, as well as all it's splitters.
1780 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1783 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1784 (ia64_register_move_cost): Declare.
1785 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1786 (struct ia64_frame_info): Add ar_size.
1787 (ia64_compute_frame_size): Set it.
1788 (save_restore_insns): Save and restore ar.lc.
1789 (ia64_register_move_cost): New, moved from header file. Handle
1790 application registers.
1791 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1792 (emit_insn_group_barriers): Special case doloop_end_internal.
1793 (ia64_epilogue_uses): Mark ar.lc live at end.
1794 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1795 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1796 (FIRST_PSEUDO_REGISTER): Make room.
1797 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1798 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1799 (REG_ALLOC_ORDER): Update.
1800 (HARD_REGNO_MODE_OK): Update.
1801 (REGISTER_NAMES): Update.
1802 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1803 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1804 (REGNO_REG_CLASS): Update.
1805 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1806 (REGISTER_MOVE_COST): Move out of line.
1807 (PREDICATE_CODES): Update.
1808 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1809 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1810 (shladd_elim splitter): Allow constants in the predicate.
1811 (doloop_end, doloop_end_internal): New.
1813 2000-07-30 Richard Henderson <rth@cygnus.com>
1815 * genattrtab.c (struct insn_def): Add lineno member.
1816 (struct insn_ent): Likewise.
1817 (struct attr_desc): Likewise.
1818 (struct delay_desc): Likewise.
1819 (struct function_unit_op): Likewise.
1820 (struct function_unit): Likewise.
1821 (check_attr_value): Use message_with_line.
1822 (check_defs): Likewise.
1823 (expand_units): Likewise.
1824 (check_attr_test): Take a lineno argument.
1825 (gen_attr): Likewise.
1826 (gen_insn): Likewise.
1827 (gen_delay): Likewise.
1828 (gen_unit): Likewise.
1829 (main): Give it to them.
1830 (convert_set_attr_alternative): Take an insn_def argument
1831 instead of num_alt and insn_index.
1832 (convert_set_attr): Likewise.
1833 (write_test_expr): Protect INSN_ADDRESSES load
1834 with INSN_ADDRESSES_SET_P.
1836 2000-07-30 Richard Henderson <rth@cygnus.com>
1838 * flow.c (init_propagate_block_info): Use pc_set.
1840 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1842 * i386.md (*lea_general_[123]) New insns and splits.
1843 (addsi3 to lea splitter): Handle other modes too.
1844 (shlsi3 to lea splitter): Likewise.
1845 (addhi_1_lea, shlhi_1_lea): New patterns.
1846 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
1848 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1850 * recog.c (general_operand, nonimmediate_operand): Accept
1851 any mode for VOIDmode CONSTANT_P operands.
1853 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1855 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
1856 instead of replace_rtx.
1857 * recog.c (validate_replace_rtx_subexp): New function.
1858 * recog.h (validate_replace_rtx_subexp): Declare.
1860 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
1862 * combine.c (simplify_set, make_extraction, make_compound_operation
1863 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
1864 as force_to_mode argument.
1866 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1868 * combine.c (if_then_else_cond): Be sure that mode fits in
1871 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1873 * combine.c (record_promoted_value): Allow bitsize of mode
1874 to be equivalent to HOST_BITS_PER_WISE_INT.
1876 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1878 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
1879 Do not call gen_mode_alignment when mode is BLKmode.
1881 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
1883 * loop.c (express_from_1): Fix call of simplify_gen_binary.
1885 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1887 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
1888 VOIDmode implies both operands to be VOIDmode.
1889 (simplify_ternary_operation): Compute properly the mode of comparison.
1890 * combine.c (combine_simplify_rtx): Likewise.
1892 2000-07-25 Michael Hayes <mph@paradise.net.nz>
1894 * basic-block.h (struct loops): New field rc_order.
1895 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
1896 (flow_loops_free): Free rc_order.
1897 (flow_depth_first_order_compute): New parameter rc_order.
1898 (flow_loops_find): Allocate rc_order and swap usage with
1901 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1902 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1904 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
1905 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
1906 (nodb_call, return_from_epilogue): Likewise.
1907 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
1908 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
1909 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
1910 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1911 (c4x_valid_type_attribute_p): Likewise.
1912 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
1913 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
1915 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1917 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
1918 and loadhi_big_constant if applicable.
1919 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
1920 and add new splitter.s
1922 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1924 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
1926 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1928 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
1930 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1932 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
1934 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1936 * config/c4x/libgcc.S (divqf3): Improve accuracy.
1938 2000-07-27 Mark Mitchell <mark@codesourcery.com>
1940 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
1941 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
1942 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
1943 (get_prev_bb_note): Likewise.
1944 (remove_scope_notes): Likewise.
1945 * flow.c (commit_one_edge_insertion): Likewise.
1946 (merge_blocks_nomove): Likewise.
1947 (verify_flow_info): Likewise.
1948 * gcse.c (insert_insn_end_bb): Likewise.
1949 * reg-stack.c (emit_swap_insn): Likewise.
1950 * ssa.c (first_insn_after_basic_block_note): New function.
1951 (insert_phi_node): Use it.
1952 (rename_block): Likewise.
1953 (eliminate_phi): Likewise.
1954 (make_regs_equivalent_over_bad_edges): Likewise.
1955 (make_equivalent_phi_alternatives_equivalent): Likewise.
1956 (for_each_successor_phi): Likewise.
1957 (convert_from_ssa): Modify phi-node deletion algorithm.
1959 2000-07-29 Andreas Jaeger <aj@suse.de>
1961 * configure.in (mips*-*-linux*): Use mips*el to check for little
1962 endian MIPS, add tmake_file.
1964 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
1965 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
1966 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
1968 2000-07-28 Richard Henderson <rth@cygnus.com>
1970 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
1971 Sign extend mode size before negating.
1973 2000-07-28 Richard Henderson <rth@cygnus.com>
1975 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
1977 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
1979 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
1980 (cse_insn): Likewise.
1981 (addr_affects_sp_p): Likewise.
1982 * expr.c (move_by_pieces): Likewise.
1983 (clear_by_pieces): Likewise.
1984 * gcse.c (oprs_unchanged_p): Likewise.
1985 * haifa-sched.c (sched_analyze_2): Likewise.
1986 * recog.c (offsettable_address_p): Likewise.
1987 * regclass.c (record_address_regs): Likewise.
1988 * reload.c (find_reusable_reload): Likewise.
1989 (push_reload): Likewise.
1990 (operands_match_p): Likewise.
1991 (decompose): Likewise.
1992 (find_reloads_address_1): Likewise.
1993 (find_inc_amount): Likewise.
1994 * reload1.c (elimination_effects): Likewise.
1995 * resource.c (mark_set_resources): Likewise.
1996 * flow.c (attempt_auto_inc): New function; mostly broken out
1998 (find_auto_inc): Split into two functions and enhanced to
1999 generate POST_MODIFY.
2000 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
2001 * rtl.h (count_all_occurrences): Declare.
2002 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
2004 * rtlanal.c (count_all_occurrences): New function.
2005 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
2006 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
2008 * config/ia64/ia64-protos.h (destination_operand): Declare.
2009 * config/ia64/ia64.c (destination_operand): New function.
2010 (ia64_print_operand): Handle POST_MODIFY.
2011 (rtx_needs_barrier): Likewise.
2012 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
2013 (HAVE_POST_MODIFY_REG): Define to 1.
2014 (MAX_REGS_PER_ADDRESS): Change to 2.
2015 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
2016 (LEGITIMATE_ADDRESS_REG): New helper macro.
2017 (LEGITIMATE_ADDRESS_DISP): Likewise.
2018 (PREDICATE_CODES): Add entry for destination_operand.
2019 * config/ia64/ia64.md (all mov patterns): Use destination_operand
2020 predicate for operand 0.
2022 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * dwarf2out.c: Indent #error directive.
2026 * gbl-ctors.h: Fix typo in comment.
2027 (__do_global_ctors): Prototype.
2029 * gcse.c (record_one_set, pre_delete): Remove unused variables.
2031 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
2032 (print_operand): Initialize variable `t'.
2034 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
2036 * config/arm/arm.md ("call_value"): removed constraints.
2037 Constraints are ignored in expanders.
2038 (*call_value_reg): split =rf into various constraints.
2039 (*call_value_mem): same
2040 (*call_value_symbol): same
2041 (*sibcall_value_insn): same
2043 2000-07-28 Philipp Thomas <pthomas@suse.de>
2045 * install.texi (--enable-nls): Change the description of the NLS
2046 related configure options to match the current state.
2047 (--with-included-gettext): Likewise.
2048 (--enable-maintainer-mode): New description added.
2049 * extend.texi (-fstrict-prototype): Add missing '.'.
2051 2000-07-27 Jim Wilson <wilson@cygnus.com>
2053 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
2054 DECL_INITIAL (decl) == NULL_TREE.
2056 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
2058 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
2059 on insn-attr.h with it.
2060 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
2061 * insn-addr.h: New header.
2062 (insn_addresses_): Renamed from insn_addresses.
2063 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
2064 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
2065 INSN_ADDRESSES_NEW): New macros.
2066 * genattrtab.c (write_test_expr): Use new macros.
2067 * final.c (insn_addresses, init_insn_lengths): Likewise.
2068 (align_fuzz, shorten_branches): Likewise.
2069 (final): Likewise. Do not reject new insns if their addresses
2070 have been added to INSN_ADDRESSES.
2071 * config/arm/arm.c, config/avr/avr.c: Use new macros.
2072 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
2073 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
2074 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
2075 * config/sh/sh.c: Likewise.
2076 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
2078 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
2080 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
2082 * gcc.c (struct prefix_list): Add member priority.
2083 (enum path_prefix_priority): Declare.
2084 (add_prefix): Replace ``first'' with ``priority''. Append new
2085 entry but keep list in priority order.
2086 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
2087 PREFIX_PRIORITY_LAST to add_prefix.
2088 (process_command): Move include kludge - foo/stageN - to before
2091 2000-07-27 Jason Merrill <jason@redhat.com>
2093 * dwarf2out.c (gen_typedef_die): Abort if we get identical
2094 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
2096 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
2098 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
2099 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
2101 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
2103 * c-decl.c (finish_function): Don't treat 'main' specially unless
2104 flag_hosted. In C99 mode, return 0 from 'main' unless
2105 DEFAULT_MAIN_RETURN is otherwise defined.
2107 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
2108 parameters defaulting to int in an old-style function definition.
2110 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2112 * c-parse.in (string): For -Wtraditional, warn about string
2113 concatenation only once per line.
2115 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
2117 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
2118 for HI-UX/WE2 systems.
2120 2000-07-24 Bruce Korb <bkorb@gnu.org>
2122 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
2123 defining the __xxx_TYPE__ macros.
2124 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
2125 * fixincl/fixlib.h: don't need to include "tm.h" anymore
2126 * fixincl/inclhack.def(type_map): now obsolete
2128 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
2130 * cpp.texi: Append a trailing full-stop to xrefs where needed.
2132 2000-07-26 Dave Pitts <dpitts@cozx.com>
2134 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
2136 (mvs_hash_alias): New function.
2137 (mvs_add_alias): Change argument spacing.
2138 (mvs_need_alias): Change aliasing criteria. Added documentation.
2139 (mvs_get_alias): Change to use hashed name. The hashed name prevents
2140 CSECT name collisions.
2141 (mvs_check_alias): Likewise.
2142 (handle_pragma): Change documentation.
2143 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
2144 mode from SImode to DImode.
2145 (iorhi3): Changed LTORG size for insn.
2147 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2149 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2150 mem if the address is a mode_dependent_address_p.
2152 2000-07-26 Kazu Hirata <kazu@hxi.com>
2154 * h8300.c (print_operand): Print ":8" when the 'R' operand is
2155 suitable for 8-bit absolute.
2156 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
2157 (OK_FOR_U): Add a case for the 8-bit constant address on the
2160 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
2162 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
2163 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
2164 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
2165 lack of implemented alignment.
2167 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
2169 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
2170 cross-compiling between 64-bit and 32-bit machines.
2172 2000-07-27 Richard Henderson <rth@cygnus.com>
2174 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
2175 (movhicc_astep, movhi_internal_astep): New.
2176 (movsicc_astep, movsi_internal_astep): New.
2177 (movdicc_astep, movdi_internal_astep): New.
2178 (movsfcc_astep, movsf_internal_astep): New.
2179 (movdfcc_astep, movdf_internal_astep): New.
2180 (movxfcc_astep, movxf_internal_astep): New.
2181 (cmovdi_internal_astep, cmovsi_internal_astep): New.
2182 Unify the cmov[ds]i splitters.
2184 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
2186 * real.c (asctoeg): Rename `error' label to unexpected_char_error
2188 2000-07-26 Nick Clifton <nickc@cygnus.com>
2190 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
2191 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
2193 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
2194 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
2196 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
2198 * c-decl.c (finish_enum): Convert enumerations that fit in an
2200 (build_enumerator): In pedantic mode, cast to `int' those that
2203 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
2205 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
2207 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2209 * sh.md (cmpgtdi_t): Must be split.
2210 (cmpgtdi_t+1): New splitter.
2212 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2214 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
2215 warnings for indented directives even if we are skipping.
2217 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
2219 * invoke.texi (strict-prototypes): Remove.
2220 * extend.texi (Deprecated Features): Add strict-prototypes.
2221 (Backwards Compatibility): New node.
2223 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2225 * config/i386/i386.md (andsi_1+1): Allow HImode.
2226 (andsi_1+2): Require q_regs_operand.
2228 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2230 * config/i386/i386.md (call_pop): Check operands[0],
2231 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2233 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2234 (call_value): Likewise.
2236 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2238 * toplev.c (pipe_closed): Delete.
2239 (crash_signal): New. Generate ICE for a fatal signal.
2240 (float_signal): Call crash_signal outside a float-handler
2242 (main): Install crash_signal as handler for core-dumping signals.
2244 2000-07-25 David Edelsohn <edelsohn@gnu.org>
2246 * rs6000.c (print_operand, case 'T'): New case.
2248 * rs6000.md (call_indirect_aix32): Convert to expander of
2249 scheduled instructions.
2250 (call_indirect_aix64): Likewise.
2251 (call_value_indirect_aix{32,64}): Likewise.
2252 (call, call_value): Invoke expanders for AIX. Fall through to
2254 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
2255 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
2256 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
2257 only "g" constraint.
2258 (call_nonlocal_aix64): Likewise.
2259 (call_value_nonlocal_aix{32,64}): Likewise.
2260 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
2262 (call_value_nonlocal_sysv): New pattern.
2263 (indirect_jump{si,di}): Use new 'T' modifier.
2264 (tablejump{si,di} matchers): Likewise.
2265 (return_internal_{si,di}): Likewise.
2266 (return_eh_{si,di}): Likewise.
2268 2000-07-24 Richard Henderson <rth@cygnus.com>
2270 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
2271 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
2272 * config/ia64/ia64.md (movdi_internal): Use it.
2274 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
2276 * cppexp.c: Warn about unary + if -Wtraditional.
2277 * cpplex.c (lex_line): Always set BOL on the first token of a line.
2279 2000-07-24 Michael Meissner <meissner@redhat.com>
2281 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
2284 2000-07-24 Nick Clifton <nickc@cygnus.com>
2286 * config/arm/arm.c (emit_multi_reg_push): Generate a
2287 REG_FRAME_RELEATED_NOTE that is compatable with the code in
2288 dwarf2out_debug_frame_expr.
2290 2000-07-24 Jason Merrill <jason@redhat.com>
2292 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
2293 UNALIGNED_INT_ASM_OP.
2294 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
2295 a location expression.
2296 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
2297 assume indirect access if we're saving the CFA address exactly.
2299 * Makefile.in (bootstrap): Move -BstageN/ to the end.
2301 2000-07-24 Jakub Jelinek <jakub@redhat.com>
2303 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
2306 2000-07-24 Michael Meissner <meissner@redhat.com>
2308 * invoke.texi (D30V Options): Add d30v options.
2310 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
2312 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
2313 needed by our gcse pass anymore.
2314 (free_pre_mem): Corresponding changes.
2315 (compute_pre_data): Do not call compute_transpout anymore.
2317 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
2318 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
2321 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
2322 (compute_pre_data): Do it here instead.
2324 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
2326 (pre_delete): Corresponding changes.
2328 2000-07-23 Mark Mitchell <mark@codesourcery.com>
2330 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
2331 to figure out whether or not a variable has already been emitted.
2333 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
2335 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
2336 instead of gen_call.
2338 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
2340 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
2342 2000-07-23 Kazu Hirata <kazu@hxi.com>
2344 * h8300.c: Fix formatting.
2346 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
2348 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
2349 for `long' switch expression into a plain warning.
2351 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
2352 (yylex): Don't pedwarn for "inline" in C99 mode.
2354 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
2356 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
2357 ggc_alloc): Likewise.
2358 * bb-reorder.c (dump_scope_forest_1): Likewise.
2360 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
2362 * reload.c (find_reloads_toplev): Add new parameter
2364 (find_reloads): Add new parameter to find_reloads_toplev calls.
2366 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
2368 * collect2.c (main): Typo fixed.
2369 * diagnostic.c: Typo fixed.
2370 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
2371 * eh-common.h: Typo fixed.
2372 * emit-rtl.c (start_sequence): Typo fixed.
2373 * flow.c (find_label_refs): Typo fixed.
2374 (calculate_global_regs_live): Typo fixed.
2375 (mark_regno_cond_dead): Typo fixed.
2376 (create_edge_list): Typos fixed.
2377 (verify_edge_list): Typo fixed.
2378 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
2379 * loop.c (strength_reduce): Typo in function name fixed.
2380 * rtl.h: Added comments. Typo in function name fixed.
2381 * rtlanal.c: Typo in function name fixed.
2382 (insn_dependant_p): Rename to ...
2383 (insn_dependent_p): ... this.
2384 (computed_jumo_p): Typo fixed.
2386 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * system.h (__FUNCTION__): Wrap definition in #ifndef.
2390 2000-07-21 David Edelsohn <edelsohn@gnu.org>
2392 * rs6000.h (SIZE_TYPE): Define.
2394 2000-07-21 Mark Mitchell <mark@codesourcery.com>
2396 * ssa.c (rename_insn_1): Don't rename registers that are
2399 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
2401 * diagnostic.c (trim_filename, fancy_abort): Moved here from
2403 (fatal_function, set_fatal_function): Removed.
2404 (fatal): Don't prepare for or call the fatal_function.
2405 (diagnostic_lock, error_recursion): New.
2406 (diagnostic_for_decl, report_diagnostic): Guard against
2407 re-entering the error reporting routines.
2408 (fancy_abort): Assume function is not NULL.
2410 * errors.c (fancy_abort): New. Assume function is not NULL.
2411 * tradcpp.c (fancy_abort): Assume function is not NULL.
2413 * system.h: Provide default definition of __FUNCTION__.
2414 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
2415 Always use __FUNCTION__ in definition of abort.
2417 * varray.h: Likewise.
2418 * toplev.h: Likewise. Don't prototype set_fatal_function.
2420 2000-07-20 Geoff Keating <geoffk@cygnus.com>
2422 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
2424 * glimits.h: Don't do #if defined for ARCH_PPC.
2426 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
2427 constants of size no larger than a pointer should go in the TOC.
2428 Add 'MODE' parameter.
2429 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
2430 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
2431 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
2432 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
2433 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
2434 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
2435 (rs6000_legitimize_address): Likewise.
2436 (rs6000_emit_move): Likewise.
2437 (rs6000_select_rtx_section): Likewise.
2438 (output_toc): Deal properly with outputting small constants like
2439 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
2440 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
2441 MODE parameter. Put small constants in the TOC.
2443 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
2445 (rs6000_emit_move): When reload calls us with an illegitimate
2446 address, exit early. Move the change_address calls to one place
2447 at the end of the routine. Merge the SImode and DImode expanders.
2448 When called by reload to put an integer into a FP register, force
2451 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
2453 (rs6000_hash_constant): Hash mode too.
2454 (toc_hash_function): Allow for key_mode.
2455 (toc_hash_eq): Structures are different if key_mode differs.
2456 (output_toc): Add 'mode' parameter. Save key_mode.
2457 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
2458 Pass 'mode' parameter.
2459 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
2461 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
2462 for vtable references.
2464 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
2465 choice, don't put integer values in FP regs.
2467 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
2469 * flow.c (verify_flow_info): Revamp code to verify that the
2470 head and end of each basic block are in the insn chain.
2472 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
2474 * gcse.c (record_one_set): Prepend instead of append onto
2475 reg_set_table, making it O(n) instead O(n^2).
2476 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
2477 Use a queue instead of a stack as worklist.
2479 2000-07-20 Kazu Hirata <kazu@hxi.com>
2481 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
2482 * h8300.h (OK_FOR_T): New.
2483 (EXTRA_CONSTRAINT): Support OK_FOR_T.
2484 * h8300.md: Use inc/dec.[wl] for increment/decrement
2485 by 1 and 2 in HI and SI modes.
2487 2000-07-20 Jim Wilson <wilson@cygnus.com>
2489 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
2490 larger than 14 bits.
2492 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
2494 * cppmacro.c (CAN_PASTE_AFTER): New macro.
2495 (count_params): Don't set GNU_REST_ARGS on anything.
2496 (save_expansion): Set PASTE_LEFT only on tokens for which
2497 CAN_PASTE_AFTER is true, or which are named operators.
2499 * cpplex.c (parse_args): Distinguish between a rest argument
2500 given one empty argument, and a rest argument given zero arguments.
2501 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
2502 deletion of previous token based on that.
2503 (get_raw_token): Flatten some control structure.
2505 * cpplib.h (CPP_LAST_EQ): Correct.
2506 (VOID_REST): New token flag.
2507 (GNU_REST_ARGS): Delete.
2509 * tradcpp.c (main): Don't munge -D options.
2510 (make_definition): Bring -D handling in line with cpplib.
2511 (do_define): Strip all leading whitespace from macro definitions.
2513 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
2515 * Makefile.in (tradcpp): Depend on intl.o and version.o.
2517 2000-07-20 Bruce Korb <bkorb@gnu.org>
2519 * fixincl/check.tpl: strip the platform specific types before testing
2520 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
2521 * fixincl/fixincl.tpl: use platform specific types
2522 * fixincl/fixlib.h: include the platform specific types
2523 * fixincl/inclhack.def(gnu_types): don't supply the types
2524 * fixincl/fixincl.x: regen
2526 2000-07-19 Jim Wilson <wilson@cygnus.com>
2528 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
2531 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2533 * tradcpp.c (rescan): Do not recognize directives when the #
2536 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2538 Implement C++ named operators.
2540 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
2541 of operators allowed in #if and having an _EQ variant. Add
2542 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
2543 (cpp_token flags): Add NAMED_OP.
2544 (enum node_type): Add T_OPERATOR.
2545 (struct cpp_hashnode): Add code slot to value union.
2546 * cpphash.h (spec_nodes): Remove n_defined.
2548 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
2549 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
2550 (is_macro_disabled): Tweak error messages.
2552 * cpplib.c (get_define_node): Disallow all named operators as
2553 macro names. Tweak error messages.
2554 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
2556 * cppinit.c (builtin_array): Add entries for the named operators.
2557 * cppexp.c (lex): Check for CPP_DEFINED token.
2558 (priority table): Add entries for CPP_MIN and CPP_MAX.
2559 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
2561 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
2563 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
2564 larger than the array of cuids.
2565 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
2568 2000-07-19 Bruce Korb <bkorb@gnu.org>
2570 * fixinc/fixincl.c: Convert to using a table of environment variables
2571 and activate the auto-edit marker on the fixed output files.
2572 * fixinc/fixlib.h: Define the environment table
2573 * fixinc/fixincl.sh: export the ${INPUT} dir
2574 * fixinc/check.tpl: likewise
2576 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2578 * gcc.c (.h spec): Fix typo.
2580 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
2582 * Makefile.in: Fix tradcif.c path.
2584 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2586 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
2589 * cpphash.h (TOKEN_NAME): New macro.
2590 (_cpp_spell_operator): Deleted.
2591 (token_spellings): Now _cpp_token_spellings.
2593 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
2594 * cpplex.c: Use OP and TK macros when expanding the
2595 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
2596 store the stringification of the enumeration name (CPP_CHAR,
2597 etc.) in the name slot of token_spellings.
2598 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
2599 token_spellings directly.
2600 * cpplib.c: Use TOKEN_SPELL.
2602 * cpplex.c (_cpp_push_token): If the token being pushed back
2603 is the previous token in this context, just subtract one from
2605 * cppmacro.c (save_expansion): Clear aux field when storing a
2608 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2610 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2611 buffer, provided it is not NULL.
2613 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2615 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2616 case of invalid volatile re-declaration.
2618 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2620 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2621 (expand_call): Adjust caller.
2623 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2625 * diagnostic.h (report_diagnostic): Change prototype.
2627 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2628 diagnostic_for_decl): Change prototype.
2629 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2630 error, warning, error_with_file_and_line,
2631 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2632 Adjust call to report_diagnostic, diagnostic_for_decl.
2633 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2634 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2636 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2637 varaible argument list.
2639 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2641 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2642 moved to cppmacro.c.
2643 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2644 dump_hash_helper): Delete.
2645 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2646 cpp_forall_identifiers): New. Implement specialized version of
2647 Vlad's expandable hash table.
2648 (cpp_lookup): Use new functions.
2649 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2651 * cppmacro.c: New file.
2652 * cppinit.c (dump_macros_helper): New.
2653 (cpp_finish): Iterate over the identifier table directly.
2654 * cpplex.c (parse_name): Calculate the hash of the identifier
2655 while we scan it. Use _cpp_lookup_with_hash when we can.
2657 * cpphash.h: Update prototypes.
2658 (xcnewvec, HASHSTEP): New helper macros.
2659 * cpplib.h: Update prototypes.
2660 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2661 (cppmacro.o): New rule.
2662 (cpphash.o): Update deps.
2664 * cppmain.c: Do not set pfile->printer if no_output is on.
2666 2000-07-15 Neil Booth <neilb@earthling.net>
2668 * cpplib.c: Change all directive-handler functions to return
2670 * cpphash.h: Update typedefs.
2672 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2674 * configure: Regenerate.
2676 * extend.texi (Extended Asm): Mention that a memory clobber
2677 does not count as a side-effect.
2679 * unroll.c (copy_loop_body): Fix one instance of using host
2680 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2683 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2685 2000-07-17 Richard Henderson <rth@cygnus.com>
2687 * config/ia64/ia64.md (movdi): Split out load address code.
2688 New post-reload splitter for symbolic operands.
2689 (movdi_internal): Abort if we didn't split symbolic operands
2690 when we should have.
2691 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2692 (ia64_reorg): Split insns when not optimizing.
2693 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2695 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2697 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2698 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2700 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2702 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2704 2000-07-17 Jason Merrill <jason@redhat.com>
2706 * Makefile.in (clean): Remove libgcc directory.
2708 * configure.in (-Wno-long-long check): Use higher-level macros.
2710 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2712 * simplify-rtx.c (simplify_binary_operation): Recognize
2713 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2714 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2715 a CONST_INT, it will always be zero.
2717 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2719 * loop.c (check_dbra_loop) : Return if more than one condition is
2720 present to control the loop.
2722 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2724 * mips.c (mips_expand_prologue): Don't calculate the last argument
2725 register unless we need it. When we are calculating this, make
2726 sure FUNCTION_ARG is giving us a REG.
2728 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2730 * flow.c (libcall_dead_p): Use single_set to verify the insn
2731 has only one set and get for analysis.
2732 (propagate_one_insn): Don't pass the PATTERN of the insn.
2734 2000-07-17 Mark Klein <mklein@dis.com>
2736 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2738 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2740 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2741 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2742 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2743 of second argument of getgroups.
2744 * configure, config.in: Rebuilt.
2746 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2748 * simplify-rtx.c (simplify_relational_operation): Two signed
2749 values with equal high words are less/greater than each other if
2750 their low words are less/greater when considered as unsigned.
2752 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2754 * configure.in (vax-*-openbsd): Change to new style configuration,
2755 add collect2/float_format information.
2756 * configure: Rebuilt.
2757 * config/vax/openbsd1.h: New.
2758 * config/vax/openbsd.h: New.
2759 * config/vax/t-openbsd: New.
2761 2000-07-17 Chip Salzenberg <chip@valinux.com>
2763 * c-common.c (shorten_compare): Quiet warnings about unsigned
2764 comparisons with zero when they occur in a system header.
2766 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2768 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2769 update to describe current practice.
2771 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2773 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2774 references to C9X. Change references to -fstd and -flang-isoc9x
2777 * c-common.c (scan_char_table): Allow "z" length modifiers on
2779 (check_format_info): Use TYPE_DOMAIN on the type matched against
2780 for "z" formats, to retrieve the language size_t rather than the
2783 * c-common.c (check_format_info): Do not make a pedantic objection
2784 to the 'L' length modifier if used with a floating point type
2787 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2788 constants in C99 mode.
2790 2000-07-17 Kazu Hirata <kazu@hxi.com>
2792 * h8300.md: Fix the format of mac.
2793 (movsi_h8300hs): Output a tab after stmac instead of a space.
2795 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2796 profitable adds/subs sequences.
2798 * fold-const.c: Fix comment typos.
2800 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2802 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2804 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2808 2000-07-16 Neil Booth <NeilB@earthling.net>
2810 * cpplex.c: Update comments.
2811 * README.Portability: Small update.
2813 2000-07-16 Neil Booth <NeilB@earthling.net>
2815 * README.Portability: Small update.
2817 2000-07-15 Richard Henderson <rth@cygnus.com>
2819 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
2820 * config/ia64/ia64.c (ia64_move_ok): New function.
2821 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
2822 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
2824 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
2826 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
2827 immediately following a paste operator.
2828 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
2829 (cpp_reader_init): Call it, if HOST_EBCDIC.
2830 (cpp_handle_options): Do not sort option list here.
2831 (handle_option): Rename to cpp_handle_option and export.
2832 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
2833 _cpp_get_token directly.
2834 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
2835 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
2836 * cpplib.h: Prototype cpp_handle_option. Update prototype of
2839 2000-07-15 Richard Henderson <rth@cygnus.com>
2841 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
2842 cast around an expression. Tidy other unsigned tests.
2844 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
2846 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
2847 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
2848 (v_message_with_decl): Rename to ...
2849 (format_with_decl): ... this. Tweak
2850 (diagnostic_for_decl): New function.
2851 (fatal_io_error): Use verbatim in lieu of notice.
2852 (announce_function): Use verbatim.
2853 (default_print_error_function): Likewise.
2854 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
2857 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2859 * mips.c (function_arg_pass_by_reference): Don't do automatic
2860 aggregate initialization.
2861 (machine_dependent_reorg): Initialize variable `mode'.
2863 * mips.md (absdi2): Change variable `regno1' to unsigned int.
2864 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
2865 conflicts with sys/param.h macro of the same name.
2866 (reload_outdi): Likewise.
2868 2000-07-15 Michael Meissner <meissner@redhat.com>
2870 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
2871 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
2872 create a new node instead.
2874 2000-07-15 Neil Booth <NeilB@earthling.net>
2876 * README.Portability: Correct example about calling a function
2877 through a pointer to function. Format wide paragraphs.
2879 2000-07-15 Michael Meissner <meissner@redhat.com>
2881 * README.Portability: Update integer suffixes and function
2884 2000-07-15 Neil Booth <NeilB@earthling.net>
2886 * README.Portability: Small update.
2888 2000-07-15 Neil Booth <NeilB@earthling.net>
2890 * README.Portability: New file.
2892 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
2894 * INSTALL: Give special instructions for building GCC on Irix 6.
2895 * config/mips/x-iris6 (CC): Don't set it.
2898 2000-07-14 Jason Merrill <jason@redhat.com>
2900 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
2901 register in the stack and later in another register, use the new
2904 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2906 * config/mips/mips.md: (absdi2): Handle sign_extend for
2909 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
2911 * cpplib.c (do_pragma_dependency): Tidy warning messages.
2913 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
2915 * .cvsignore: Correct typo.
2917 2000-07-13 Mark Mitchell <mark@codesourcery.com>
2919 * .cvsignore: Add generated YACC files.
2920 * objc/.cvsignore: New file.
2922 2000-07-14 Neil Booth <NeilB@earthling.net>
2924 * cpplex.c (adjust_column): New funcion.
2925 (skip_whitespace): Use it.
2926 (skip_block_comment): Use it, and warn about /*/* with
2929 2000-07-14 Neil Booth <NeilB@earthling.net>
2931 * cpphash.c (struct macro_info): Add new members.
2932 (_cpp_free_definition): Delete the macro directly.
2933 (count_params): Return void, with first token of
2934 expansion in struct macro_info on success.
2935 (parse_define): Return int. Hoist syntax checking from
2936 save_macro_expansion. Leave call to save_expansion to
2937 _cpp_create_definition.
2938 (alloc_macro): Needs just 2 arguments.
2939 (free_macro): Delete.
2940 (save_expansion): Don't perform syntax check.
2941 (_cpp_create_definition): Call save_expansion.
2943 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * genrecog.c (write_header): Split long string.
2947 * cpphash.c (macro_info): Don't use the `signed' keyword.
2949 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
2951 2000-07-13 Jakub Jelinek <jakub@redhat.com>
2953 * calls.c (stored_args_map): New variable.
2954 (check_sibcall_argument_overlap_1): New.
2955 (check_sibcall_argument_overlap): New.
2956 (expand_call): Initialize stored_args_map.
2957 Call check_sibcall_argument_overlap.
2959 2000-07-13 Bruce Korb <bkorb@gnu.org>
2961 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
2962 (emit_gnu_type): utility procedure for gnu_type_fix
2963 (gnu_type_fix): implement various pre-processor guards around
2964 standard types so these types can be defined over and over
2965 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
2966 types alluded to above will have GNU-compliant base types
2967 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
2968 * fixinc/inclhack.def: add test_text entries and utilize the new
2969 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
2970 * fixinc/fixincl.x: regenerate
2972 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2974 * diagnostic.c (vline_wrapper_message_with_location,
2975 v_message_with_file_and_line, v_error_with_file_and_file,
2976 v_error_for_asm, v_warning_for_asm, vfatal,
2977 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
2978 vsorry, verror, vwarning, vpedwarn): Remove.
2979 (diagnostic_for_asm): New function.
2980 (pedwarn, error, warning, pedwarn_with_file_and_line,
2981 error_with_file_and_line, warning_with_file_and_line, sorry,
2982 error_for_asm, warning_for_asm, fatal): Reimplement.
2983 (finish_diagnostic): Clear diagnostic info as well.
2985 2000-07-13 Neil Booth <NeilB@earthling.net>
2987 * c-common.h (flag_digraphs): New.
2988 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
2989 * c-lex.c (yylex): Use flag_digraphs to decide whether to
2992 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
2994 * gcc.c (do_spec_1): Add new %B operator.
2995 (set_input): Prepare for %B.
2997 (link_command_spec): Move up with the other tm.h-
2998 overrideable specs. Factor out the portion conditional on
2999 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
3000 (struct compiler): Just have a single spec string. All users
3002 (default_compilers): Remove unnecessary braces.
3003 (static_specs): Update.
3005 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
3007 (C and assembly specs): Use the new named specs, as appropriate.
3009 * objc/lang-specs.h: Use the new named specs.
3010 Remove unnecessary braces.
3012 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3014 * gcc.c (execute): If a subprocess gets a fatal signal, report
3015 strsignal() of the signal number, and ask for a bug report.
3016 Do not do this for SIGPIPE if there's already been an error.
3018 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
3021 * tradcif.c: Remove.
3023 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3025 * final.c (profile_function): Do not emit profile counters in
3026 the data section, if NO_PROFILE_COUNTERS is defined.
3027 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
3030 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
3031 (FUNCTION_PROFILER): Just emit a call to mcount.
3033 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3035 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
3037 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
3038 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
3039 traditional, lang_chill, or lang_fortran.
3041 * cppfiles.c: #undef strcmp to suppress warning about macros
3042 used without arguments.
3043 (_cpp_execute_include): Use f, not fname, in "No include path"
3045 (_cpp_pop_file_buffer): New function.
3046 * cpplib.c: Don't include <sys/mman.h>.
3047 (cpp_push_buffer): Set line_base and lineno in new buffer.
3048 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
3050 * cpplex.c: Move all prototypes and structure declarations to the
3051 top of the file. Properly parenthesise some macro arguments.
3052 (cpp_scan_line): New function.
3053 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
3054 don't need to walk up the stack counting.
3056 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3058 * c-common.c (combine_strings): Emit a pedantic warning when a
3059 string length is greater than the minimum ANSI C is required
3062 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
3064 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
3065 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
3067 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * c-decl.c (define_label): Warn about identifier conflicts with
3070 labels in traditional C.
3072 * c-parse.in (unop +): Warn about the unary plus operator for
3075 * c-typeck.c (store_init_value): Warn about automatic aggregate
3076 initialization for traditional C.
3078 * invoke.texi (-Wtraditional): Document new warnings.
3080 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3082 * Makefile.in (c-errors.o): Fix thinko in dependency.
3084 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3086 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
3087 -traditional, -ftraditional, or -traditional-cpp was given.
3088 Do not pass -traditional to the preprocessor.
3089 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
3090 preprocessor does it automatically.
3091 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
3093 * ch/lang-specs.h: Always use tradcpp. Do not pass
3094 -traditional, -trigraphs, or -pedantic to the preprocessor.
3095 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
3098 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3100 * cppexp.c (LOGICAL): Delete macro.
3101 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
3104 * cpphash.c (HASHSIZE): Increase to 4096.
3105 (struct hashdummy): Add hash field.
3106 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
3107 the string values using memcmp.
3108 (cpp_lookup): Set dummy.hash.
3110 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
3112 * configure.in (m88k-openbsd): Express configuration using new fragment
3114 * configure: Rebuilt.
3115 * m88k/aout-dbx.h: New.
3116 * m88k/openbsd.h: New.
3117 * m88k/xm-openbsd.h: New.
3119 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
3123 2000-07-12 Richard Henderson <rth@cygnus.com>
3125 * reload.c (push_secondary_reload): Make sure to add the new
3126 reload at the end, after acquiring secondary memory.
3128 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
3132 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
3133 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
3135 * c-parse.in (stmt): Delete unused variables.
3137 * convert.c (convert_to_vector): Likewise.
3139 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
3141 * tree.c (finish_vector_type): Prototype.
3143 2000-07-12 Bruce Korb <bkorb@gnu.org>
3145 * fixinc/fixfixes.c: use xmalloc
3146 * fixinc/fixincl.c(initialize): set program name for xmalloc
3147 * fixinc/fixlib.c(must_malloc): obsolete
3148 (is_cxx_header): no longer used - disabled
3149 (skip_quote): inserted and disabled for future use
3150 * fixinc/fixlib.h: reflects above
3151 * fixinc/fixtests.c: removed dinkleberries
3153 2000-07-12 Neil Booth <NeilB@earthling.net>
3155 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
3156 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
3158 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
3159 struct toklist_dummy): New.
3160 (cpp_free_definition): Free macros with free_macro.
3161 (count_params): Don't save paramter spellings. Save macro
3162 information in a struct macro_info.
3163 (parse_define): Don't allocate a token list.
3164 (save_expansion): Allocate the macro's token list, and
3165 save parameter spellings if necessary. Use TOKEN_SPELL.
3166 (cpp_create_definition): Make list const.
3168 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3170 * c-typeck.c (pedwarn_c99): Move to
3171 * c-errors.c: ... Here.
3172 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
3173 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
3174 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
3175 (c-errors.o): List dependency.
3177 2000-07-12 Mark Mitchell <mark@codesourcery.com>
3179 * c-parse.c: Remove.
3180 * c-parse.h: Likewise.
3181 * c-parse.y: Likewise.
3182 * objc/objc-parse.c: Likewise.
3183 * objc/objc-pasre.y: Likewise.
3185 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
3187 * gcc.texi: Fix minor typos
3188 * extend.texi: Fix minor typos
3190 2000-07-11 Marc Espie <espie@openbsd.org>
3192 * collect2.c (main): Recognize .lo as object files.
3194 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3196 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
3199 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
3200 with MAP_ANONYMOUS and MAP_ANON.
3201 * configure, config.in: Rebuilt.
3203 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3205 * diagnostic.c (save_output_state): Remove.
3206 (restore_output_state): Likewise.
3207 (clear_text_info): New function.
3208 (clear_diagnostic_info): Likewise.
3209 (output_text_length, is_starting_newline, output_prefix,
3210 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
3211 prefixing_policy, output_buffer_ptr_to_format_args): New macros
3212 (set_real_maximum_length, output_set_maximum_length,
3213 output_set_prefix, output_get_prefix, output_set_maximum_length,
3214 output_destroy_prefix, init_output_buffer,
3215 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
3216 output_add_newline, output_add_character, output_add_space,
3217 output_append_r, output_append, wrap_text, output_format,
3218 output_do_printf, output_printf, output_do_verbatim,
3219 output_verbatim, verbatim): Use them.
3220 (output_clear): Split into cleat_text_info and
3221 clear_diagnostic_info.
3222 (struct output_state): Move to...
3224 * diagnostic.h: ...Here
3225 (struct output_buffer): Adjust.
3227 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
3229 * cpplex.c (parse_name): No longer inline (premature optimization).
3230 (do_pop_context): Fold into pop_context.
3231 (pop_context): Returns int.
3232 (lex_next): Hoist test for end of directive into pop_context.
3233 (push_macro_context): Returns int; takes just reader and token.
3234 Hoist test for excessive nesting to caller.
3235 (push_arg_context): Returns void; takes just reader and token.
3236 Do not call stringify_arg or get_raw_token.
3237 (get_raw_token): Convert tail recursion through push_arg_context
3238 to a loop at this level. Call stringify_arg here if appropriate.
3239 (maybe_paste_with_next): Convert tail recursion to a while loop.
3240 Hoist test of paste_level to caller.
3242 (stringify_arg): Push arg context at beginning.
3243 (cpp_get_token): Split out core into _cpp_get_token. Call
3244 process_directive here. Throw away CPP_PLACEMARKER tokens.
3245 (_cpp_get_token): Convert tail recursion through
3246 push_macro_context to a loop at this level.
3247 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
3248 _cpp_get_raw_token): Use _cpp_get_token.
3249 (_cpp_skip_rest_of_line): Drop the context stack directly; do
3250 not call pop_context.
3251 (_cpp_run_directive): Call lex_next directly.
3253 * cpphash.h: Prototype _cpp_get_token.
3254 * cppexp.c (lex): Use it.
3255 * cpphash.c (parse_define): Use it.
3256 * cpplib.c (get_define_node, do_undef, parse_include,
3257 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
3258 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
3259 parse_ifdef, validate_else): Use it.
3260 (cpp_push_buffer): Tweak error message; abort if anyone tries
3261 to push a buffer while macro expansions are stacked.
3263 2000-07-11 Donn Terry <donnte@microsoft.com>
3265 * cpplex.c (free_macro_args, save_token): Cast arg of free
3266 and/or xrealloc to PTR.
3267 (_cpp_init_input_buffer): Clear all fields of the base context.
3269 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
3271 * gensupport.c (process_rtx): Make rtl checking stop
3272 complaining about the define_insn while it is being
3273 converted from a define_insn_and_split.
3275 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
3277 * config/mips/mips.c (simple_memory_operand): Access the
3278 INTVAL of the address, not it's containing MEM.
3280 2000-07-11 Bruce Korb <bkorb@gnu.org>
3282 * fixinc/fixtests.c(double_slash): obsolete
3283 (else_endif_label): likewise
3284 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
3285 (libc1_ifdefd_memx): correct initial comment
3286 and omit the #if/#endif pair from the memxxx declarations
3287 * fixinc/fixincl.x: regen
3289 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3291 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
3293 2000-07-11 Neil Booth <NeilB@earthling.net>
3297 2000-07-11 Neil Booth <NeilB@earthling.net>
3299 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
3300 (handle_option): Set digraphs according to standard.
3301 Merge OPT_lang_c89 handler with OPT_std_c89.
3303 * cpplex.c: (lex_line, can_paste): Honour digraphs in
3304 accordance with the digraphs flag.
3306 * cpplib.h: (struct cpp_options): New option digraphs.
3308 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
3309 Bruce Korb <bkorb@gnu.org>
3311 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
3312 * fixinc/fixincl.x: Regenerate.
3313 * fixinc/tests/base/testing.h: Add testcase.
3315 2000-07-10 Richard Henderson <rth@cygnus.com>
3317 * config/ia64/ia64.c (got_symbolic_operand): New.
3318 (symbolic_operand, move_operand): Revert 0701 change.
3319 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3320 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
3321 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
3322 split the offset into a 14-bit low part instead of a 13-bit low part.
3323 (load_fptr): Mark the mem as unchanging.
3324 (load_symptr): Use got_symbolic_operand.
3326 2000-07-10 Nick Clifton <nickc@cygnus.com>
3328 * libgcc2.c (next_stack_level): Cast result of computation to
3329 (void **) so that the assignment does not generate a warning.
3331 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
3333 * flags.h : Add new variable flag_single_precision_constant.
3334 * toplev.c (display_help) : Add -fsingle-precision-constant option.
3335 (flag_single_precision_constant): New.
3336 * c-lex.c (yylex): Convert floating point constant to single
3338 * invoke.texi : Add documentation for this new option.
3340 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3342 * diagnostic.c (output_octal): Second parameter is unsigned.
3343 (output_long_octal): Likewise.
3344 (output_hexadecimal): Likewise.
3345 (output_long_hexadecimal): Likewise.
3346 (output_format): Adjust arguments extraction. Tweak.
3347 (output_verbatim, verbatim): End variable argument list.
3348 (report_diagnostic): Improve documentation.
3350 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
3352 * c-common.h (build_stmt): Declare.
3353 (build_continue_stmt): Likewise.
3354 (build_break_stmt): Likewise.
3355 (build_return_stmt): Likewise.
3357 * c-decl.c (do_case): Rewrite to do what previously done in
3360 * c-semantics.c (build_stmt): Define.
3361 (build_return_stmt): Likewise.
3362 (build_break_stmt): Likewise.
3363 (build_continue_stmt): Likewise.
3364 (build_case_label): Likewise.
3366 * c-parse.in (BREAK): Change to build tree, then generate RTL.
3367 (CONTINUE): Likewise.
3370 (DEFAULT): Likewise.
3372 * c-parse.y: Regenerate.
3373 * c-pasre.c: Likewise.
3375 2000-07-09 Jason Merrill <jason@redhat.com>
3377 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
3379 * tree.h (STRIP_NOPS): Check for error_mark_node.
3380 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
3381 (dwarf2out_*): Remove duplicate declarations.
3383 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
3384 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
3386 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3388 * diagnostic.c (wrap_text): New function.
3389 (maybe_wrap_text): Likewise.
3390 (output_add_string): Use it.
3391 (output_format): Likewise.
3392 (count_error): Use verbatim instead of notice.
3393 (report_error_function): Likewise. Don't use plain fprintf.
3394 (finish_diagnostic): New function.
3395 (output_do_verbatim): Tweak. Commonalize functionalities in
3396 output_verbatim and verbatim.
3397 (output_verbatim): Adjust.
3398 (verbatim): Likewise.
3399 (report_diagnostic): Define.
3401 * diagnostic.h (report_diagnostic): Prototype.
3403 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
3405 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
3407 2000-07-09 Neil Booth <NeilB@earthling.net>
3409 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
3410 IShspace, ISspace: Update.
3412 * cppinit.c: ISTABLE: Update.
3415 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
3416 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
3417 (skip_block_comment, skip_line_comment, parse_string,
3418 lex_line): Use is_vspace rather than IS_NEWLINE.
3419 (skip_whitespace, lex_line): Clean up to use is_nvspace.
3420 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
3422 (lex_next): Unconditionally stop if within a directive.
3423 Treat directives within macro invocations as directives
3424 (after parse_args emits error), not as the argument.
3426 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
3428 * diagnostic.c (diagnostic_args): New macro.
3429 (diagnostic_msg): Likewise.
3430 (output_formatted_integer): Likewise.
3431 (output_state): New data type.
3432 (digit_buffer): Make global.
3433 (output_add_integer): Rename to output_decimal. Squeeze
3435 (output_long_decimal, output_unsigned_decimal,
3436 output_long_unsigned_decimal, output_octal, output_long_octal,
3437 output_hexadecimal, output_long_hexadecimal): New functions.
3438 (output_append_r): New function.
3439 (output_append): Tweak.
3440 (output_flush_on): Rename to output_to_stream.
3441 (output_format): Change prototype. Improve documentation. Handle
3442 more format specifiers.
3443 (build_location_prefix): Rename to context_as_prefix.
3444 (output_notice): Rename to output_do_printf.
3445 (output_printf): Tweak.
3446 (line_wrapper_printf): Likewise.
3447 (vline_wrapper_message_with_location): Adjust call to renamed
3449 (v_message_with_decl): Likewise.
3450 (default_print_error_function): Likewise.
3451 (save_output_state): New function.
3452 (restore_output_state): Likewise.
3453 (output_do_verbatim): Likewise.
3454 (output_verbatim): Define.
3455 (verbatim): Likewise.
3457 * diagnostic.h (printer_fn): Change return type from void to int.
3458 Improve documentation.
3459 (output_add_integer): Rename to output_decimal.
3460 (output_flush_on, output_format): Don't export.
3461 (output_verbatim, verbatim): Declare.
3463 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
3465 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
3466 Check whether c divides op1 exactly if operation is not
3469 2000-07-08 Richard Henderson <rth@cygnus.com>
3471 * final.c (final): Do not abort when reg-stack introduces
3474 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
3476 * cpplib.h (struct cpp_name): Now struct cpp_string.
3477 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
3478 CPP_HEADER_NAME): Change to type S.
3479 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
3480 field, a cpp_hashnode *. All references to val.name updated
3481 to use val.str or val.node as appropriate.
3482 (struct cpp_reader): Add spec_nodes field.
3483 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
3485 * cpphash.h (struct spec_nodes): New.
3486 (enum spell_type): Reorder. Only SPELL_STRING tokens use
3487 val.str. All references to 'spelling > SPELL_NONE' updated to
3490 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
3491 pfile->buffer->inc are not NULL before dereferencing them.
3493 * cpplex.c (parse_name): Take a pointer to the current token,
3494 plus current position and limit as args; return the new
3495 position; don't copy the text of a name into the string
3496 buffer, instead call cpp_lookup and store the node pointer.
3497 If extending a token, copy out the text of the old into a
3498 scratch buffer, append the new, look that up and store the new
3499 node pointer. Inline.
3500 (maybe_paste_with_next): If the result of paste is a NAME,
3501 then look up the pasted text and store its node pointer.
3502 (lex_line): Adjust for new parse_name interface.
3503 Check for L"str", L'str' using spec_nodes->n_L.
3504 (spell_token): SPELL_IDENT tokens have their spelling in
3505 val.node->name. Handle SPELL_STRING tokens that don't have
3507 (_cpp_expand_name_space,
3508 (can_paste): Check for L ## "str" using spec_nodes->n_L.
3509 (cpp_get_token, special_symbol): No need to call cpp_lookup.
3510 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
3511 return 1=equal 0=not, not a tristate.
3513 * cpphash.c (var_args_str): Delete.
3514 (find_param): Compare node fields directly.
3515 (is__va_args__): Use CPP_PEDANTIC. Just compare
3516 token->val.node with spec_nodes->n__VA_ARGS__.
3517 (dump_funlike_macro): Don't use var_args_str.
3519 * cpplib.c (_cpp_check_directive): Just walk through
3520 spec_nodes->dirs comparing pointers.
3521 (get_define_node, do_pragma_poison, detect_if_not_defined,
3522 parse_ifdef): The identifier has already been looked up.
3523 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
3525 (do_if): Only call detect_if_not_defined at beginning of file.
3526 (_cpp_parse_assertion): Only copy string pointers for
3527 SPELL_STRING tokens.
3528 (pragma_dispatch): Take a node pointer and examine its name
3530 (_cpp_init_stacks): Also initialize the spec_nodes structure.
3532 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
3534 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
3535 reverse order from the corresponding _cpp_init_* routines.
3537 * cppexp.c (parse_number, parse_charconst, parse_defined,
3538 lex): Check val.node->type instead of calling cpp_defined.
3539 Use spec_nodes entries where appropriate.
3541 * fix-header.c, scan-decls.c: Update for interface changes.
3543 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
3545 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
3546 emitting aux_truncdfsf2.
3548 2000-07-03 Donn Terry (donnte@microsoft.com)
3550 * cppinit.c (print_help): split overlong line into ISO C89
3553 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3555 * cppexp.c: Update all code for new lexer interface.
3556 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
3557 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
3558 * cpplex.c (token_names): Trim leading CPP_ from names; make
3559 the strings unsigned.
3560 (_cpp_spell_operator): New.
3561 (is_macro_disabled): Disable all macros if rescanning
3563 (_cpp_get_directive_token): Remove.
3565 * cppinit.c: Don't set no_macro_expand.
3566 * cpplib.c (read_line_number, do_line): Check only for EOF,
3568 * cpphash.h: Update prototypes.
3569 * cpplib.h (CPP_VSPACE): Remove.
3570 (struct cpp_reader): Remove no_macro_expand.
3572 2000-07-08 Neil Booth <NeilB@earthling.net>
3574 * cpphash.c (is__va_args__): New function.
3575 (count_params): Fix line reported in error messages. Use
3576 is__va_args__. Don't return ')' on error. Flag GNU style
3577 rest args macro definitions.
3578 (parse_define): Check macro name is not __VA_ARGS__.
3579 (save_expansion): Check identifier in non-varargs-macro is
3580 not __VA_ARGS__. Don't flag GNU_VARARGS.
3581 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
3582 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
3583 than per-token GNU_VARARGS.
3584 * cpplib.h (GNU_VARARGS): Remove.
3585 (GNU_REST_ARGS): New.
3587 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3589 * i386.md (call_pop, call, call_value_pop): Do not set
3590 current_function_uses_pic_offset_table for calls to static
3591 functions or indirect calls.
3593 2000-07-07 Jim Wilson <wilson@cygnus.com>
3595 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
3596 is_predicate_reg, then take max write_count of register pair.
3598 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * tradcpp.c (main): Rename label `include' to `add_include' to
3601 avoid conflicts with variable `include' in traditional C.
3603 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3605 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3607 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3609 * sibcall.c (uses_addressof): Add INMEM argument, check for
3610 current_function_internal_arg_pointer outside of MEM rtxs in addition
3612 (sequence_uses_addressof): Update caller.
3614 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3616 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3619 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3621 * system.h (UNION_INIT_ZERO): New macro for initializing union
3624 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3626 2000-07-07 Neil Booth <NeilB@earthling.net>
3630 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3632 * final.c (final): Detect out of bounds array access to
3633 the insn_lengths array.
3635 2000-07-07 Kazu Hirata <kazu@hxi.com>
3637 * fold-const.c (fold): Fix a comment typo.
3639 2000-07-07 Neil Booth <NeilB@earthling.net>
3641 * cpp.texi: Update to new lexer.
3643 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3645 * tradcpp.c: New file.
3646 * tradcif.y: New file.
3647 * tradcif.c: New generated file.
3649 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3650 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3651 dependencies of C. Install tradcpp from install-common, in
3654 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3656 * cppinit.c: Include cppdefault.h. Refer to
3657 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3658 to GCC_INCLUDE_DIR and its length.
3659 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3660 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3661 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3663 (include_defaults_array): Move to cppdefault.c.
3665 * cppdefault.h: New file.
3666 * cppdefault.c: New file.
3668 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3669 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3670 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3673 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3675 * reload.c (push_reload): When seeing if can reuse a register,
3676 check extra registers against widest of INMODE and OUTMODE.
3678 2000-07-06 Neil Booth <NeilB@earthling.net>
3680 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3681 based on full length of predicate.
3683 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3685 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3686 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3688 2000-07-05 Kazu Hirata <kazu@hxi.com>
3690 * h8300-proto.h: Fix formatting.
3691 * h8300.c: Likewise.
3692 * h8300.h: Likewise.
3694 2000-07-05 Jim Wilson <wilson@cygnus.com>
3696 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3699 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3701 * invoke.texi: Fix minor typos
3702 * md.texi: Fix minor typos
3704 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3706 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3708 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3710 * cpplex.c: Don't include sys/mman.h.
3711 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3713 * cpplib.c: Include sys/mman.h and obstack.h.
3714 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3716 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3717 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3718 bother freeing if stack entries (they will be freed with their buffer).
3719 (do_endif): Free if stack entries from the buffer obstack.
3720 (push_conditional): Allocate if stack entries from the buffer obstack.
3722 (find_answer): Rename to _cpp_find_answer.
3723 (do_assert, do_unassert): Update.
3725 * cpphash.h: Update prototypes.
3726 (xobnew): New convenience macro.
3727 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3729 (struct cpp_hashnode): Remove disabled field.
3731 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3732 (report_missing_guard): Moved to cppfiles.c.
3733 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3735 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3736 cpp_cleanup_includes. Don't destroy hashtab or
3737 all_include_files here.
3738 (cpp_finish): Use _cpp_report_missing_guards.
3740 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3741 (_cpp_init_include_table): Rename _cpp_init_includes.
3742 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3744 * cppexp.c (parse_assertion): Update for new name of
3747 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3749 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3751 * cpplib.c (do_ident): s/VSPACE/EOF/
3753 2000-07-05 Neil Booth <NeilB@earthling.net>
3755 * cpplex.c: Fix trigraph replacement within strings.
3757 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3759 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3761 * xcoffout.c (assign_type_number): Constify.
3762 (xcoffout_source_file): Add static prototype. Don't needlessly
3763 cast away const-ness.
3765 2000-07-04 Jason Merrill <jason@redhat.com>
3767 * frame.h (frame_state): Move base_offset to end.
3769 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3771 * calls.c (emit_library_call_value_1): Revert previous change.
3773 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3775 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3776 (recognized_extern, recognized_function, read_scan_file):
3777 Update for new scheme.
3778 (check_protection): It's still a multiple include guard even
3779 if it doesn't always trigger.
3780 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3782 * scan.h: Declare struct cpp_token. Update prototypes.
3784 2000-07-03 Neil Booth <neilb@earthling.net>
3785 Zack Weinberg <zack@wolery.cumb.org>
3787 Complete overhaul of the lexer and macro expander.
3789 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3790 arg, arglist, argdata, reflist, collect_objlike_expansion,
3791 collect_funlike_expansion, collect_params,
3792 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3793 unsafe_chars, macarg, compare_defs, special_symbol,
3794 scan_arguments, stringify, funlike_macroexpand,
3795 _cpp_quote_string, monthnames): Delete.
3796 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3797 _cpp_create_definition, _cpp_dump_definition,
3798 dump_hash_helper): Adjust.
3799 (find_param, count_params, parse_define, var_args_str,
3800 check_macro_redefinition, save_expansion): New.
3802 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3803 parse_string, output_line_command, trigraph_replace,
3804 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3805 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3806 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3807 _cpp_skip_rest_of_line): Modify.
3809 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3810 find_position, null_warning, bump_column, expand_name_space,
3811 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3812 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3813 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3814 _cpp_prescan): Delete.
3816 (dump_param_spelling, process_directive, lex_next,
3817 is_macro_disabled, stringify_arg, expand_context_stack,
3818 output_token, make_string_token, alloc_number_token,
3819 special_symbol, duplicate_token, maybe_paste_with_next,
3820 can_paste, prevent_macro_expansion, restore_macro_expansion,
3821 get_temp_token, release_temp_tokens, quote_string,
3822 token_names, token_spellings, _cpp_expand_name_space,
3823 _cpp_glue_header_name, _cpp_reserve_name_space,
3824 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
3825 placemarker_token, eof_token, cpp_context, macro_args,
3826 get_raw_token, parse_arg, parse_args, save_token,
3827 push_arg_context, push_macro_context, pop_context,
3828 do_pop_context, free_macro_args, _cpp_get_line,
3829 _cpp_run_directive): New.
3831 * cpplib.c (validate_else, parse_include, push_conditional,
3832 pass_thru_directive, read_line_number, parse_ifdef,
3833 detect_if_not_defined, _cpp_check_directive, do_define,
3834 do_undef, do_include, do_import, do_include_next, do_error,
3835 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
3836 top_pragmas, do_pragma_gcc, do_pragma_implementation,
3837 do_pragma_poison, do_pragma_system_header,
3838 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
3839 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
3840 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
3841 cpp_defined): Update for new scheme.
3842 (strtoul_for_line, get_define_node, dump_macro_name,
3843 _cpp_check_linemarker, _cpp_parse_assertion): New.
3844 (_cpp_handle_directive, do_pragma_default): Delete.
3846 * cpphash.h (struct predicate): Now struct answer.
3847 (enum spell_type, struct token_spelling, struct directive,
3848 directive_handler): New.
3849 Update prototypes. Remove unused macros.
3850 * cpplib.h: Update prototypes. Remove unused macros,
3851 structure definitions, and fields.
3853 * cpperror.c (print_containing_files, v_message): Adjust.
3854 * cppexp.c (parse_assertion, lex, parse_escape,
3855 _cpp_parse_expr): Adjust.
3856 * cppfiles.c (open_include_file, _cpp_execute_include,
3857 _cpp_compare_file_date, cpp_read_file, read_include_file):
3859 * cppinit.c (dump_special_to_buffer): Delete.
3860 (append_include_chain, merge_include_chains, cpp_reader_init,
3861 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
3862 cpp_finish, handle_option, print_help): Adjust.
3863 * cppmain.c (main): Adjust.
3865 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3867 * cppspec.c (lang_specific_driver): Use double quotes in error
3870 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3872 * calls.c (emit_library_call_value_1): Use valreg instead
3873 of hard_libcall_value.
3875 2000-07-03 Geoff Keating <geoffk@cygnus.com>
3877 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
3878 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
3879 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
3887 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
3888 mode instead of wider_mode is being used.
3890 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3892 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
3893 of 'r'. Use q_regs_operand.
3894 (andsi_1+2): Use q_regs_operand.
3896 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3898 * builtins.c (get_memory_rtx): Always put into alias set 0.
3900 2000-07-03 Nick Clifton <nickc@cygnus.com>
3902 * config/arm/arm.md: Fix post increment and pre increment
3903 peepholes so that they do not generate UNPREDICATBLE opcodes.
3904 (ie ones where the increment clobbers the source/destination).
3906 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
3908 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
3909 change too big for -mtiny-stack" a warning, if larger than 63.
3910 (out_set_stack_ptr): Change the logic so -mno-interrupts is
3911 always safe to use on possible future devices.
3912 (function_prologue): Write SPH before SPL, for consistency.
3913 If interrupt_func_p true, we know we have enabled interrupts.
3914 (avr_num_arg_regs): New function. Round up to even number of
3915 bytes if no -mpack-args or if calling a libgcc function.
3916 (function_arg, function_arg_advance): Use it.
3917 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
3918 Output "movw" if available.
3919 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
3920 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
3921 (asm_output_section_name): Add blanks for consistent output.
3922 (encode_section_info): Set TREE_READONLY for progmem data to
3923 avoid gas warnings about changed section attributes.
3924 (avr_hard_regno_mode_ok): Force non-QImode data to start in
3925 even numbered registers on devices with "movw".
3926 * config/avr/avr.h (MASK_*): Define bits for target_flags.
3927 (TARGET_SWITCHES): Mark help strings for translation.
3928 Add new -mpack-args and -menhanced switches.
3929 (TARGET_OPTIONS): Mark help strings for translation.
3930 (progmem_section): Add section attributes.
3931 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
3932 Output "movw" if available.
3933 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
3935 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
3936 call convention (arguments aligned on even registers).
3937 (_cleanup, _exit): Make weak symbols libc can override.
3939 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3941 * fp-bit.h: New file.
3943 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
3944 Comment #endif statements.
3945 (__thenan_sf, __thenan_df): Add missing braces around initializer.
3947 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
3949 * gcse.c (compute_pre_data): Compute ae_kill using other local
3950 properties instead of calling compute_ae_kill.
3952 * alias.c (init_alias_analysis): Do not call
3953 prologue_epilogue_contains until after reload has completed.
3955 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
3957 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
3958 (genrtl_finish_compound_stmt): Likewise.
3959 (genrtl_compound_stmt): Change to return void.
3961 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
3962 move code from here to ...
3963 (genrtl_compound_stmt): ... here.
3964 (genrtl_finish_compound_stmt): Remove.
3965 (expand_stmt): Add comment.
3967 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
3969 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
3972 2000-07-02 Jakub Jelinek <jakub@redhat.com>
3974 * cpplib.h (struct cpp_reader): New field include_depth.
3975 (struct cpp_printer): Rename last_bsd to last_id.
3976 * cppfiles.c (read_include_file): Bump include_depth.
3977 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
3978 (output_line_command): Output correct #line if a header
3979 is including itself and is not protected against multiple inclusion.
3980 Use include_depth instead of buffer_stack_depth, last_id instead of
3982 * cppinit.c (cpp_start_read): Initialize last_id instead of
3985 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
3987 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
3988 (c-semantics.o): New target.
3990 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
3991 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
3992 (genrtl_clear_out_block): Likewise.
3993 (genrtl_goto_stmt): Likewise.
3994 (genrtl_expr_stmt): Likewise.
3995 (genrtl_decl_stmt): Likewise.
3996 (genrtl_if_stmt): Likewise.
3997 (genrtl_while_stmt): Likewise.
3998 (genrtl_do_stmt): Likewise.
3999 (genrtl_return_stmt): Likewise.
4000 (genrtl_for_stmt): Likewise.
4001 (genrtl_break_stmt): Likewise.
4002 (genrtl_continue_stmt): Likewise.
4003 (genrtl_scope_stmt): Likewise.
4004 (genrtl_switch_stmt): Likewise.
4005 (genrtl_case_label): Likewise.
4006 (genrtl_begin_compound_stmt): Likewise.
4007 (gerntl_finish_compound_stmt): Likewise.
4008 (genrtl_compound_stmt): Likewise.
4009 (genrtl_asm_stmt): Likewise.
4010 (genrtl_decl_cleanup): Likewise.
4011 (DECL_ANON_UNION_ELEMS): Likewise.
4012 (emit_local_var): Likewise.
4013 (make_rtl_for_local_static): Likewise.
4014 (expand_cond): Likewise.
4015 (expand_stmt): Likewise.
4016 (c_expand_return): Likewise.
4017 (c_expand_start_case): Likewise.
4018 (do_case): Likewise.
4019 (COMPOUND_STMT_NO_SCOPE): Likewise.
4020 (c_expand_asm_operands): Likewise.
4021 (NEW_FOR_SCOPE_P): New macro.
4022 (expand_expr_stmt_fn): New type.
4024 (set_current_function_name_declared): Likewise.
4025 (current_function_name_declared): Likewise.
4026 (lang_expand_stmt): Likewise.
4027 (stmts_are_full_exprs_p): Likewise.
4028 (anon_aggr_type_p): Likewise.
4029 (lang_expand_expr_stmt): Likewise.
4030 (build_case_label): Likewise.
4032 * c-decl.c (lang_expand_expr_stmt): Initialize.
4033 (stmts_are_full_exprs_p): Define.
4034 (current_function_name_declared): Likewise.
4035 (do_case): Likewise.
4036 (lang_expand_stmt): Likewise.
4037 (set_current_function_name_declared): Likewise.
4038 (anon_aggr_type_p): Likewise.
4040 * c-semantics.c: New file.
4041 (expand_cond): Moved from cp/semantics.c.
4042 (genrtl_do_pushlevel): Likewise.
4043 (genrtl_clear_out_block): Likewise.
4044 (genrtl_goto_stmt): Likewise.
4045 (genrtl_expr_stmt): Likewise.
4046 (genrtl_decl_stmt): Likewise.
4047 (genrtl_if_stmt): Likewise.
4048 (genrtl_while_stmt): Likewise.
4049 (genrtl_do_stmt): Likewise.
4050 (genrtl_return_stmt): Likewise.
4051 (genrtl_for_stmt): Likewise.
4052 (genrtl_break_stmt): Likewise.
4053 (genrtl_continue_stmt): Likewise.
4054 (genrtl_scope_stmt): Likewise.
4055 (genrtl_switch_stmt): Likewise.
4056 (genrtl_case_label): Likewise.
4057 (genrtl_begin_compound_stmt): Likewise.
4058 (genrtl_finish_compound_stmt): Likewise.
4059 (genrtl_compound_stmt): Likewise.
4060 (genrtl_asm_stmt): Likewise.
4061 (genrtl_decl_cleanup): Likewise.
4062 (make_rtl_for_local_static): Moved from cp/decl.c.
4063 (emit_local_var): Likewise.
4064 (expand_stmt): Define.
4066 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
4067 (c_expand_return): Likewise.
4068 (c_expand_start_case): Likewise.
4070 2000-07-01 Richard Henderson <rth@cygnus.com>
4072 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
4073 with the low 13 bits set.
4074 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
4075 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
4076 of the low 13 bits into a CONST plus an adddi3.
4077 (load_symptr): Set RTX_UNCHANGING_P.
4079 See ChangeLog.3 for earlier changes.