1 2000-08-11 Richard Henderson <rth@cygnus.com>
3 * config/ia64/ia64.md (addsi3): Remove expander.
4 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7 2000-08-11 Richard Henderson <rth@cygnus.com>
9 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
10 (do_restore): Likewise.
11 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
12 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
13 (rtx_needs_barrier): Track actual bit manipulation for
14 ar.unat moves, gr_spill, and gr_restore.
15 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
16 (process_set): Don't handle varargs spills.
17 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
18 .mem.offset here instead of in process_set.
19 (gr_restore): Likewise.
21 2000-08-11 Richard Henderson <rth@cygnus.com>
23 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
25 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
27 * gcc.texi (The Configuration File): Document
28 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
29 UPDATE_PATH_HOST_CANONICALIZATION.
31 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
33 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
34 unprototyped function pointer casts on integer constants.
36 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
38 * fixproto: Recognize DOS paths with drive letters as absolute paths.
40 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
42 * extend.texi (Volatiles): Fix typos.
44 2000-08-11 Kazu Hirata <kazu@hxi.com>
46 * flow.c: Fix formatting.
48 2000-08-11 Richard Henderson <rth@cygnus.com>
50 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
51 pattern, always allocate a tertiary scratch register.
53 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
54 (reload_inhi): Likewise.
56 2000-08-11 Richard Henderson <rth@cygnus.com>
58 * function.c (put_reg_into_stack): Allow type to be NULL.
59 (schedule_fixup_var_refs): Likewise.
60 (gen_mem_addressof): Allow decl to be NULL.
61 (put_addressof_into_stack): Likewise.
63 * flow.c (merge_blocks_nomove): Be more careful about
64 locating the beginning of block A.
66 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
68 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
73 * config.in: Reverted the check for <sched.h>.
75 2000-08-10 Chris Demetriou <cgd@sibyte.com>
77 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
78 macros define the name of CTOR and DTOR sections.
79 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
80 DTOR_LIST_END): Change to use attributes to specify
82 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
83 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
84 DTOR_LIST_END): Same as in mips/elf.h.
86 2000-08-10 Drew Moseley <dmoseley@redhat.com>
88 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
89 disabling just crt0.o.
91 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
93 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
94 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
95 (EXTRA_SPECS): Add them.
96 * arm/lib1funcs.asm: Support builds for interworking.
97 Use macros to eliminate duplicated pieces of code.
99 2000-08-10 Kazu Hirata <kazu@hxi.com>
101 * h8300.c (expand_a_rotate): New.
102 (emit_a_rotate): Likewise.
103 (h8300_adjust_insn_length): Add support for the rotate insns.
104 * h8300.md (rotlqi3): New.
105 (*rotlqi3_1): Likewise.
107 (*rotlhi3_1): Likewise.
109 (*rotlhi3_1): Likewise.
110 * h8300-proto.h: Add prototypes for expand_a_rotate and
113 * h8300.c: Fix comment typos.
114 (dosize): Declare the variable amount as unsigned.
115 (get_shift_alg): Fix a comparison between signed and unsigned.
116 (emit_a_shift): Likewise.
117 (h8300_adjust_insn_length): Simplify the code.
119 * c-decl.c: Fix formatting.
121 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
124 warning about non-traditional numeric constant suffixes.
126 * cppexp.c (parse_number): Likewise.
128 * invoke.texi: (-Wtraditional): Document new behavior.
130 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
132 * gthr-posix.h: Include auto-host.h. Conditionally include
134 * configure.in: Check for the <sched.h> header file.
135 * config.in: Added define for HAVE_SCHED_H.
137 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
139 * c-typeck.c (process_init_element): For -Wtraditional, warn about
140 initialization of unions.
142 * invoke.texi (-Wtraditional): Document new behavior.
144 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
146 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
147 instead of extra_c_flags.
148 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
149 * configure: Regenerate.
150 * config.in: Regenerate.
152 * cpperror.c (cpp_type2name): New function.
153 * cpplex.c (lex_line): If we issued an error for an invalid
154 preprocessing directive, discard that logical line.
155 * cpplib.c (do_line): Call a hook function if the current file
157 (do_ident): Pass the contents of the string, not the entire
158 token, to the callback function.
159 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
160 (cb.rename_file): New hook function.
161 (cb.ident): Adjust prototype.
162 (cpp_type2name): Prototype.
163 * cppmacro.c (dump_macro_args): Correct precedence lossage.
165 * cppmain.c (cb_ident): Update for changed interface.
166 (cb_rename_file): New function.
167 (main): Set rename callback.
169 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
171 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
172 multi-word registers.
174 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
176 * c-common.c (combine_strings, check_format_info): Refer to ISO C
177 or ISO C89 instead of ANSI C.
178 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
179 build_enumerator, do_case): Likewise.
180 * c-lex.c (parse_float, yylex): Likewise.
181 * c-parse.in: Likewise.
182 * c-typeck.c (common_type, build_array_ref, build_binary_op,
183 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
184 build_c_cast, convert_for_assignment, set_init_index,
185 set_init_label, c_expand_start_case): Likewise.
186 * toplev.c (documented_lang_options, display_help): Likewise.
188 2000-08-08 Kazu Hirata <kazu@hxi.com>
190 * h8300.c: Fix formatting.
192 * h8300.md: Likewise.
193 (movsi_h8300hs): Fix formatting of the resulting assembly code.
195 * reload1.c: Fix formatting.
197 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
199 * alpha/alpha.c (alpha_emit_xfloating_libcall):
200 Use GEN_CALL_VALUE define.
201 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
202 * clipper/clipper.md (untyped_call): Likewise.
203 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
204 * fx80/fx80.md (untyped_call): Likewise.
205 * mips/mips.md (untyped_call): Likewise.
206 * ns32k/ns32k.md (untyped_call): Likewise.
207 * pa/pa.md (untyped_call): Likewise.
208 * romp/romp.md (untyped_call): Likewise.
209 * sparc/sparc.md (untyped_call): Likewise.
211 2000-08-08 Jason Eckhardt <jle@cygnus.com>
213 * config/i860/i860.c (singlemove_string): Do not generate assembler
214 pseudo instructions that must be expanded (that is, with signed
215 constants larger than 16 bits).
217 2000-08-08 Richard Henderson <rth@cygnus.com>
219 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
220 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
221 (init_propagate_block_info): Don't kill memory stores at -O0.
222 (mark_set_1, mark_used_regs): Likewise.
224 2000-08-08 David Edelsohn <edelsohn@gnu.org>
226 * rs6000.c (optimization_options): Decorate 'level' as
228 (mask64_operand): Remove sign-extend thinko.
229 (rldic_operand): New function.
230 (load_multiple_operation): regno's are unsigned ints.
231 (store_multiple_operation): Likewise.
232 (lmw_operation): Likewise.
233 (stmw_operation): Likewise.
234 (includes_lshift_p): shift_mask is unsigned int.
235 (includes_lshift64_p): New function.
236 (addrs_ok_for_quad_peep): unsigned int reg1.
237 (print_operand): Consistently add "else" after
238 output_operand_lossage().
239 (print_operand, case 'b'): Fold in case 'W'.
240 (print_operand, case 'W'): Print rldic MB value.
241 (output_epilogue): Update Objective-C language string.
242 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
243 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
244 * rs6000.md (ashldi3): Add rldic instruction.
245 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
246 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
249 2000-08-08 Richard Henderson <rth@cygnus.com>
251 * config/ia64/ia64-protos.h: Remove duplicates. Update
252 for massive code rearrangements.
253 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
254 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
255 (ia64_local_regs, ia64_need_regstk): Remove.
256 (ar_ccv_reg_operand): New.
257 (ia64_gp_save_reg): New.
258 (struct ia64_frame_info): Combine most of the size elements;
259 add new gr save elements.
260 (find_gr_spill): New.
261 (next_scratch_gr_reg): New.
262 (mark_reg_gr_used_mask): New.
263 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
264 to GR backing store regs when possible.
265 (ia64_initial_elimination_offset): New.
266 (ia64_rap_fp_offset): Remove.
267 (save_restore_insns): Remove.
268 (setup_spill_pointers): New.
269 (finish_spill_pointers): New.
270 (spill_restore_mem): New.
271 (do_spill, do_restore): New.
272 (ia64_expand_prologue): Rewrite to use them.
273 (ia64_expand_epilogue): Likewise.
274 (ia64_direct_return): Update for current_frame_info changes.
275 (ia64_function_prologue): Simplify .prologue emission. Emit
277 (ia64_setup_incoming_varargs): Don't ever emit rtl.
278 (ia64_dbx_register_number): New.
279 (ia64_initialize_trampoline): New.
280 (ia64_secondary_reload_class): Request GR_REGS for integer
281 arithmetic destined for FR_REGS.
282 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
283 (ia64_mark_machine_status): Mark ia64_gp_save.
284 (rws_access_regno): Rename from rws_access_reg; don't treat
285 predicates specially.
286 (rws_access_reg): New. Update all callers.
287 (rtx_needs_barrier): Remove dead unspecs.
288 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
289 (ia64_encode_section_info): Silence signed/unsigned warnings.
290 (spill_offset, sp_offset, spill_offset_emitted): Remove.
291 (tmp_reg, tmp_saved): Remove.
292 (process_set): Rewrite to expect complicated bits via
293 REG_FRAME_RELATED_EXPR.
294 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
295 in the use of ar.ccv; never set RTX_UNCHANGING_P.
296 (ia64_expand_op_and_fetch): Likewise.
297 (ia64_expand_compare_and_swap): Likewise.
298 (ia64_expand_builtin): Likewise.
299 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
300 (FIRST_PSEUDO_REGISTER): Update.
301 (AR_M_REGNO_P): Update.
302 (FIXED_REGS): Don't mark three local registers as used.
303 (EXTRA_CC_MODES): New.
304 (SELECT_CC_MODE): New.
305 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
306 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
307 (FRAME_GROWS_DOWNWARD): Unset.
308 (STARTING_FRAME_OFFSET): Zero.
309 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
310 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
311 (HARD_FRAME_POINTER_REGNUM): New.
312 (CAN_DEBUG_WITHOUT_FP): Define.
313 (TRAMPOLINE_TEMPLATE): Remove.
314 (TRAMPOLINE_SIZE): Lower to 32.
315 (TRAMPOLINE_ALIGNMENT): Lower to 64.
316 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
317 (PREDICATE_CODES): Update.
318 (struct machine_function): Add ia64_gp_save.
319 * config/ia64/ia64.md: Purge unused unspecs.
320 (movsi patterns): Allow moves to/from AR_M_REGS.
321 (movdi patterns): Allow moves to/from p0.
322 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
323 (gr_spill, gr_restore): Indicate ar.unat read/written.
324 (nonlocal_goto): Don't pass old frame_pointer.
325 (nonlocal_goto_receiver): Remove.
326 (exception_receiver): New.
327 (builtin_setjmp_setup): New.
328 (builtin_setjmp_receiver): New.
329 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
330 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
331 (__ia64_restore_stack_nonlocal): Likewise.
332 (__ia64_trampoline): New.
333 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
335 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
337 2000-08-08 Richard Henderson <rth@cygnus.com>
339 * frame.h (ia64_frame_state): Add my_psp.
340 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
341 (__throw): Pass it in. Don't clobber r7.
342 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
343 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
344 and nothing to do with sp.
345 (normalize_reg_loc): Use frame->my_psp.
346 (frame_translate): Handle frame-pointer-less functions. Set
347 spill_base correctly, in absence of being told.
348 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
349 (__ia64_backtrace_helper): New sp argument. Use
350 builtin_return_address instead of label addresses.
351 (print_record) [mem_stack_v]: No size member.
353 2000-08-08 Richard Henderson <rth@cygnus.com>
355 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
357 2000-08-08 Richard Henderson <rth@cygnus.com>
359 * tm.texi (LOCAL_REGNO): Document.
360 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
361 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
362 * reload1.c (reload): Likewise when considering nonlocal labels.
364 * config/ia64/ia64.h (LOCAL_REGNO): New.
365 * config/sparc/sparc.h (LOCAL_REGNO): New.
367 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
369 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
371 2000-08-07 Nick Clifton <nickc@redhat.com>
373 * config/mips/mips.c: Fix compile time warning messages.
374 * config/mips/mips-protos.h: Add prototype for equality_op.
376 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
378 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
380 * mn10300.md: Use nonimmediate_operand instead of general_operand
383 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
385 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
387 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
388 * sh.c (expand_block_move): Break long lines.
389 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
390 * sh.md (mulsi3): Likewise.
391 (movdi): Adjust spacing.
393 2000-08-07 Richard Henderson <rth@cygnus.com>
395 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
396 * expr.c (emit_group_store): Don't set it.
398 2000-08-07 Kazu Hirata <kazu@hxi.com>
400 * invoke.texi (Options for Debugging Your Program or GCC): Remove
401 duplicate entries for 'w' and 'z'.
403 * flow.c: Fix a comment typo.
405 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
407 * c-parse.in: Changed the language string for Objective-C to "GNU
410 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
412 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
413 to improve the Posix thread support for Objective-C.
415 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
417 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
418 CTI_UNSIGNED_PTRDIFF_TYPE.
419 (signed_size_type_node): Define.
420 (unsigned_ptrdiff_type_node): Define.
421 * c-decl.c (init_decl_processing): Create the
422 signed_size_type_node and unsigned_ptrdiff_type_node types.
423 * c-common.c (T_SC): Define.
426 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
427 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
429 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
430 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
431 flags for %c, %s and %[.
432 (check_format_info): Only allow leniency for signedness of targets
433 of character pointers (when pedantic) for formats flagged with
434 "c", so for strings but not for %hh formats. When pedantic, don't
435 allow character pointers to substitute for void pointers if a
436 second level of indirection is present.
438 2000-08-06 Kazu Hirata <kazu@hxi.com>
440 * invoke.texi (Options for Debugging Your Program or GCC): Update
441 the names of dump files.
443 * h8300.c (dosize): Rearrange code for conciseness.
444 (split_adds_subs): Likewise.
446 * loop.c: Fix formatting.
448 * dwarf2out.c: Fix formatting.
450 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
452 * expr.c: Fix formatting.
454 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * rs6000.c (rs6000_maybe_dead): Prototype.
458 2000-08-06 Richard Henderson <rth@cygnus.com>
460 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
461 HAVE_nonlocal_goto as well.
462 * config/i960/i960.md (nonlocal_goto): Don't do it here.
463 * config/pj/pj.md (nonlocal_goto): Likewise.
465 2000-08-07 Michael Hayes <mhayes@cygnus.com>
467 * loop.c (try_swap_copy_prop): New function.
468 (load_mems): Rename copies to load_copies and add new regset
469 store_copies. Check for sets of shadow registers and mark
470 in store_copies. Call try_swap_copy_prop for registers
471 marked in store_copies.
473 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
475 * objc/objc-act.c: New command line option -fconstant-string-class
476 to allow specifying a user defined constant string class,
477 different from NXConstantString.
479 * toplev.c: Moved the Objective-C specific options to
482 * objc/lang-options.h: Moved the Objective-C specific options from
483 toplev.c. Added -fconstant-string-class.
485 2000-08-05 Chris Demetriou <cgd@sibyte.com>
487 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
488 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
489 __CTOR_LIST__ from func_ptr array to just func_ptr, to
490 avoid extra alignment imposed on arrays.
491 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
492 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
494 * mips.h: Clean up comments and spacing near MASKs.
495 (TARGET_UNIX_ASM): Delete.
496 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
497 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
500 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
502 * c-common.c (print_char_table): Add entries for the X/Open '
503 format flag (print decimals with locale's thousands grouping
504 character). Make %C expect wint_t.
505 (check_format_info): If pedantic, warn when the %n$ operand
506 number form is used. Allow for the ' flag; warn about it if
509 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
511 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
512 type is a float mode, cfun->decl's return type is not, and
513 TARGET_FLOAT_RETURNS_IN_80387.
515 2000-08-04 Andreas Schwab <schwab@suse.de>
517 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
518 token list, which are always `#' and `pragma'.
520 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
522 * tree.c (tree_expr_nonnegative_p): Move to...
523 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
524 (rtl_expr_nonnegative_p): New.
525 * tree.h: Add prototype for rtl_expr_nonnegative_p.
527 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
528 CONST_DOUBLE_CHAIN: Move to...
529 * rtl.h: ...here. Use XCINT/XCEXP.
531 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
532 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
533 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
536 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
538 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
540 * config/c4x/c4x.md (return_indirect_internal): New.
541 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
543 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
545 * c-common.c (time_char_table): Mark up formats added in C99 and
546 make other corrections. %D and %g were added in C99. %Og is an
547 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
548 C99. %e was added in C99. %Oj is an extension. %G and %z are in
549 C99 rather than GNU extensions, but %OG and %Oz are extensions.
550 %h was added in C99. %C was added in C99. %OY and %OC are
551 extensions. Add the C99 format %F.
552 (check_format_info): If pedantic and not in C99 mode, warn for C99
555 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
557 * function.c (schedule_fixup_var_refs): New function, broken out
558 of put_reg_into_stack.
559 (put_reg_into_stack): Use it.
560 (put_var_into_stack): In CONCAT case, fixup up references for
561 components only after fixing up references to the whole concat.
563 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
565 * alias.c (mark_constant_function): Use INSN_P.
566 (init_alias_analysis): Likewise.
567 * combine.c (combine_instructions): Use INSN_P.
568 (can_combine_p): Likewise.
569 (try_combine): Likewise.
570 (distribute_notes): Likewise.
571 (distribute_links): Likewise.
572 * cse.c (cse_around_loop): Use INSN_P.
573 (invalidate_skipped_block): Likewise.
574 (cse_set_around_loop): Likewise.
575 (cse_end_of_basic_block): Likewise.
576 (delete_trivially_dead_insns): Likewise.
577 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
578 (unshare_all_rtl_1): Likewise.
579 (next_cc0_user): Likewise.
580 (try_split make_insn_raw): Likewise.
581 (remove_unnecessary_notes): Likewise.
582 * final.c (shorten_branches): Use INSN_P.
583 (leaf_renumber_regs): Likewise.
584 (leaf_renumber_regs_insn): Likewise.
585 * flow.c (find_label_refs): Use INSN_P.
586 (verify_wide_reg): Likewise.
587 (notice_stack_pointer_modification): Likewise.
588 (count_or_remove_death_notes): Likewise.
589 (verify_flow_info): Likewise.
590 (clear_log_links): Likewise.
591 * function.c (fixup_var_refs_insns): Use INSN_P.
592 (compute_insns_for_mem): Likewise.
593 * gcse.c (alloc_gcse_mem): Use INSN_P.
594 (compute_sets): Likewise.
595 (compute_hash_table): Likewise.
596 (classic_gcse): Likewise.
598 (insert_insn_end_bb): Likewise.
599 (delete_null_pointer_checks_1): Likewise.
600 * global.c (expand_preferences): Use INSN_P.
601 (build_insn_chain): Likewise.
602 * graph.c (node_data): Use INSN_P.
603 * haifa-sched.c (priority): Use INSN_P.
604 (rm_line_notes): Likewise.
605 (rm_other_notes): Likewise.
606 (find_insn_reg_weight): Likewise.
607 (init_target_units): Likewise.
608 (schedule_block): Likewise.
609 (compute_block_forward_dependences): Likewise.
610 (debug_dependencies): Likewise.
611 (set_priorities): Likewise.
612 * integrate.c (function_cannot_inline_p): Use INSN_P.
613 (save_parm_insns): Likewise.
614 (copy_insn_list): Likewise.
615 * jump.c (mark_all_labels): Use INSN_P.
616 (never_reached_warning): Likewise.
617 * lcm.c (optimize_mode_switching): Use INSN_P.
618 * local-alloc.c (validate_equiv_mem): Use INSN_P.
619 (memref_used_between_p): Likewise.
620 (update_equiv_regs): Likewise.
621 (block_alloc): Likewise.
622 (no_conflict_p): Likewise.
623 * loop.c (scan_loop): Use INSN_P.
624 (find_and_verify_loops): Likewise.
625 (count_loop_regs_set): Likewise.
626 (loop_reg_used_before_p): Likewise.
627 (strength_reduce): Likewise.
628 (recombine_givs): Likewise.
629 (check_dbra_loop): Likewise.
630 (load_mems): Likewise.
631 (try_copy_prop): Likewise.
632 * print-rtl.c (print_rtx): Use INSN_P.
633 * recog.c (find_single_use): Use INSN_P.
634 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
635 (next_flags_user): Likewise.
636 (swap_rtx_condition): Likewise.
637 * regmove.c (mark_flags_life_zones): Use INSN_P.
638 (optimize_reg_copy_1): Likewise.
639 (optimize_reg_copy_2): Likewise.
640 (optimize_reg_copy_3): Likewise.
641 (reg_is_remote_constant_p): Likewise.
642 (fixup_match_2): Likewise.
643 (regmove_optimize): Likewise.
644 (fixup_match_1): Likewise.
645 * regrename.c (build_def_use): Use INSN_P.
646 (replace_reg_in_block): Likewise.
647 (consider_use): Likewise.
648 * reload.c (find_equiv_reg): Use INSN_P.
649 * reload1.c (reload): Use INSN_P.
650 (maybe_fix_stack_asms): Likewise.
651 (calculate_needs_all_insns): Likewise.
652 (reload_as_needed): Likewise.
653 (emit_output_reload_insns): Likewise.
654 (delete_address_reloads_1): Likewise.
655 (reload_cse_regs_1): Likewise.
656 (reload_combine): Likewise.
657 (reload_cse_move2add): Likewise.
658 * reorg.c (redundant_insn): Use INSN_P.
659 (dbr_schedule): Likewise.
660 * resource.c (find_dead_or_set_registers): Use INSN_P.
661 (mark_target_live_regs): Likewise.
662 * rtlanal.c (reg_used_between_p): Use INSN_P.
663 (reg_referenced_between_p): Likewise.
664 (reg_set_between_p): Likewise.
665 (reg_set_p): Likewise.
666 (single_set): Likewise.
667 (multiple_sets): Likewise.
668 (find_last_value): Likewise.
669 (reg_set_last): Likewise.
670 (find_reg_note): Likewise.
671 (find_regno_note): Likewise.
672 * sibcall.c (sequence_uses_addressof): Use INSN_P.
673 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
674 * ssa.c (find_evaluations): Use INSN_P.
675 (rename_block): Likewise.
676 (rename_equivalent_regs): Likewise.
677 * unroll.c (loop_find_equiv_value): Use INSN_P.
678 (set_dominates_use): Likewise.
679 * varasm.c (mark_constant_pool): Use INSN_P.
680 (mark_constants): Likewise.
681 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
682 (alphaev4_next_group): Likewise.
683 (alphaev5_next_group): Likewise.
684 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
685 (c4x_rptb_rpts_p): Likewise.
686 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
687 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
688 (rs6000_adjust_priority): Likewise.
689 * config/sh/sh.c (sh_loop_align): Use INSN_P.
690 (machine_dependent_reorg): Likewise.
691 (split_branches): Likewise.
692 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
694 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
696 * combine.c (recog_for_combine): Remove the old notes
697 prior to attempting to recognize the new pattern.
698 (distribute_notes): Ignore REG_NONNEG notes.
700 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
702 * varasm.c (output_constructor): Add .align 0 for packed vars.
704 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
706 * configure.in: Use default thread_file even when enable_threads is
707 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
708 * configure: Rebuilt.
710 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
712 2000-08-04 Donn Terry (donnte@microsoft.com)
714 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
716 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
718 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
719 Delete code that conditionally modifies 'version'.
720 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
721 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
722 * gcc.c (main): Use it.
723 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
724 * prefix.c (update_path): Use it.
725 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
726 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
727 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
729 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
730 (SUBTARGET_SWITCHES): Adjust.
731 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
733 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
735 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
737 * c-common.h (flag_isoc94): Declare.
738 * c-decl.c (flag_isoc94): Define.
739 (c_decode_option): Set flag_isoc94 as appropriate.
740 * c-common.c (T_PD, T_IM, T_UIM): Define.
741 (format_char_info): Add tlen and jlen.
742 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
744 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
746 (time_char_table): Add NULL entries for %t and %j.
747 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
748 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
749 Warn for printf %lf if pedantic and not C99. Don't warn for empty
750 precision. Allow precision argument to be unsigned int. If
751 pedantic, warn for %p passed an argument not a pointer to possibly
752 qualified void or a possibly qualified character type, and for
753 pointer targets of the wrong sign, except for character pointers.
755 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
757 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
758 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
759 (wint_type_node): Define.
760 * c-decl.c (WINT_TYPE): Define.
761 (init_decl_processing): Create the wint_type_node type.
762 * c-common.c (T_WI): Define.
763 (print_char_table): Use T_WI for %lc format.
765 2000-08-04 Bruce Korb <bkorb@gnu.org>
767 * fixinc/: Verified that the MSDOS patch does not break
768 the UNIX functionality and applied the next three patches
771 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
773 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
774 output file with the temporary one by appending ".X" to generate
775 the temporary fuile's name. If the output file already has an
776 extension, replace it with ".X".
778 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
779 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
780 reallocate the command buffer while copying the command-line
781 argument. Redirect the output directly to the temporary file,
782 instead of going through another temporary file.
783 (process): Close the temporary file before unlinking it.
784 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
785 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
786 (run_compiles): Pass p_fixd argument to machine_matches, as it
789 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
790 environment, assume there are no symlinks in the include
791 directory. When cleaning up the DONE files, look for them
792 case-insensitively. Don't try to remove symlinks if they aren't
795 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
796 all callers changed. Declare pz "const char *", to avoid compiler
799 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
800 Change prototype of make_raw_shell_str.
802 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
804 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
805 (initialize) [__MSDOS__]: Use tempnam.
806 (initialize): Don't use SIGPIPE if it is not defined.
808 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
811 2000-07-25 Bruce Korb <bkorb@gnu.org>
813 * fixinc/fix*.[ch]: substantially reworked to make it possible
814 to run this program without using fork(2) or pipe(2) (i.e. in
817 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
819 * cppdefault.h (WINT_TYPE): Define.
820 * cppinit.c (builtin_array): Define __WINT_TYPE__.
821 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
822 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
824 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
826 * (mips_legitimate_address_p): Don't allow register+offset
827 if the offset is large and negative, and we are compiling
828 for 64 bit registers.
830 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
832 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
833 insn_code_number + 1.
835 2000-08-04 Kazu Hirata <kazu@hxi.com>
837 * h8300.c (function_prologue): Rearrange code for conciseness.
838 (function_epilogue): Likewise.
839 * h8300.h (OK_FOR_U): Fix formatting.
841 * cse.c: Fix a comment typo. Fix formatting.
843 2000-08-03 Richard Henderson <rth@cygnus.com>
845 * config/i386/i386.md (return_indirect_internal): New.
846 * config/i386/i386.c (ix86_expand_epilogue): Use it.
848 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
850 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
852 (lex_line): Glue @ onto the beginning of identifiers and
853 string constants, in Objective-C mode.
854 (output_token, spell_token): Handle CPP_OSTRING.
855 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
856 beginning of a NAME or a STRING, in objc mode.
858 * cpplib.c (get_define_node): Do not permit identifiers that
859 begin with @ to be #defined.
860 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
861 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
863 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
864 * c-tree.h (build_objc_string): Delete prototype.
865 * objc/objc-tree.def: Delete OBJC_STRING_CST.
866 * c-lex.c (yylex): Use build_string for all three kinds of strings.
868 * c-parse.in, objc/objc-act.c: Update commentary.
870 2000-08-03 Mark Mitchell <mark@codesourcery.com>
872 * extend.texi: Fix typo in last change.
874 * extend.texi: Add commentary on statement-expressions and their
875 interactions with C++.
877 2000-08-03 Nick Clifton <nickc@cygnus.com>
879 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
880 * dwarf.h (LANG_JAVA): Change value to 0x000b.
882 2000-08-03 Anthony Green <green@cygnus.com>
884 * dwarf2out.c (gen_compile_unit_die): Add java language support.
885 (add_bound_info): Check for java language.
886 (is_java): New function.
887 * dwarfout.c (output_compile_unit_die): Ditto.
888 * dwarf.h (dwarf_source_language): Add java source language type.
889 * dwarf2.h (dwarf_source_language): Ditto.
891 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
893 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
896 * i386.c (ix86_expand_branch): Mode of comparison in
897 IF_THEN_ELSE is VOIDmode.
899 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
901 * gengenrtl.c, rtl.c: Avoid #elif.
903 2000-08-03 Michael Poole <poole@troilus.org>
905 * tm.texi (Register Classes): Clarify order of sub-initializers
906 in REG_CLASS_CONTENTS.
908 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
910 From SAITOH Masanobu:
911 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
913 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
915 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
916 is not supported by tradcpp and isn't actually needed for cygwin.
918 2000-08-03 Kazu Hirata <kazu@hxi.com>
920 * h8300.c: Fix a comment typo.
921 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
923 * jump.c: Fix formatting.
925 * toplev.c: Fix formatting.
927 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
929 * flow.c (find_auto_inc): Verify that we've got a REG before
930 peeking at its regno. Fail, don't abort if we can't find
931 the increment of the desired register.
933 * pa.md (shadd height reduction patterns/splitters): Remove.
935 2000-08-02 Jim Wilson <wilson@cygnus.com>
937 * config/ia64/ia64-protos.h (flag_ssa): Declare.
938 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
940 2000-08-02 Mark Mitchell <mark@codesourcery.com>
942 * dce.c: Remove all uses of assert.
943 * dwarf2out.c: Likewise.
944 * dwarfout.c: Likewise.
947 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
949 * gcc.h (lang_specific_driver): Constify second argument.
950 * gcc.c (translate_options, process_command, main): Likewise.
951 Constify variables to match. Cast second argument to
954 * cppspec.c, gccspec.c: Adjust type of second argument to
955 lang_specific_driver, and update code as necessary.
957 2000-08-02 Jakub Jelinek <jakub@redhat.com>
959 * loop.c (scan_loop): Ensure update_end label does not
960 go away until reg_scan_update is run.
962 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
964 * c-common.h: Prototype min_precision and c_build_qualified_type here...
965 * c-tree.h: ... not here.
966 * errors.h: Prototype fancy_abort.
968 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
969 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
970 * regrename.c (regrename_optimize): Make control flow explicit.
971 (replace_reg_in_block): Initialize reg_use to 0.
973 * i386.c (legitimate_address_p): Rename error label to
974 report_error to avoid namespace clash.
976 2000-08-02 Kazu Hirata <kazu@hxi.com>
978 * fold-const.c: Fix formatting.
980 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
982 * i386.c (legitimate_address_p): Accept other bases than
983 pic_offset_table_rtx for GOTOFF constructs.
985 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
987 * i386.md (shift to lea splitter): Use const_int_operand.
989 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
991 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
992 cppspec.c: Do not use 'legal' or 'illegal' in error messages
995 * cppmain.c (cb_define, cb_undef): Don't generate any output
996 if not done_initializing.
997 * cpplex.c (maybe_paste_with_next): When the token after a ##
998 is an omitted rest argument, only delete the token before it
999 if that token is a comma. Do not warn about bogus token
1000 pastes for , ## rest_arg.
1003 * cpp.1: Regenerate.
1005 2000-08-02 Fred Fish <fnf@be.com>
1007 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
1008 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
1011 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
1012 Be directories to search path.
1014 Remove support for __declspec(dllimport) and __declspec(dllexport).
1015 This is leftover cruft from the earlier BeOS gcc port when BeOS
1016 used Microsoft's PE object file format.
1017 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
1018 * config/i386/t-beos (winnt.o): Remove Makefile frag.
1019 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
1020 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
1021 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
1022 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
1023 (REDO_SECTION_INFO_P): Remove.
1024 (ASM_EXPORT_DECL): Remove.
1025 (ASM_DECLARE_FUNCTION_NAME): Remove.
1026 (ASM_DECLARE_OBJECT_NAME): Remove.
1027 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1028 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
1029 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
1030 (STRIP_NAME_ENCODING): Remove.
1032 Remove support for obsolete version of BeOS that is no longer
1034 * configure.in (i*86-*-beospe*): Remove.
1035 * config/i386/beos-pe.h: Remove.
1037 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
1038 Mark Mitchell <mark@codesourcery.com>
1040 * Makefile.in (OBJS): Added dce.o.
1041 (ssa.o): Updated target to include ssa.h.
1043 (toplev.o): Likewise.
1044 (dce.o): Created target.
1045 * basic-block.h: Added comments.
1046 (INVALID_BLOCK): Added definition.
1047 (connect_infinite_loops_to_exit): Added declaration.
1048 Moved SSA declarations to ssa.h.
1049 * flow.c: Added inclusion of ssa.h.
1050 (struct depth_first_search_dsS, depth_first_search_ds):
1052 (compute_immediate_postdominators): Added definition.
1053 (connect_infinite_loops_to_exit): Likewise.
1054 (flow_dfs_compute_reverse_init): Likewise.
1055 (flow_dfs_compute_reverse_add_bb): Likewise.
1056 (flow_dfs_compute_reverse_execute): Likewise.
1057 (flow_dfs_compute_reverse_finish): Likewise.
1058 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
1059 (LABEL_P): Added definition.
1062 (BARRIER_P): Likewise.
1063 (JUMP_TABLE_DATA_P): Likewise.
1064 (INSN_DEAD_CODE_P): Likewise.
1065 * ssa.c: Replaced inclusions with ssa.h inclusion.
1066 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
1067 (rename_registers): Removed unnecessary variables.
1068 * ssa.h: Created by moving declarations from ssa.c and
1070 * timevar.def: Defined TV_DEAD_CODE_ELIM.
1071 * toplev.c: Added ssa.h inclusion.
1072 (dump_file_index): Added DFI_dce.
1073 (dump_file): Added "dce" entry.
1075 (f_options): Added dce entry.
1076 * invoke.texi: Document -fdce. Emphasize experimental status of
1080 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
1082 * cpperror.c (v_message): Split into _cpp_begin_message and
1083 v_message macro. All callers updated.
1084 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
1087 * cppfiles.c (cpp_syshdr_flags): New function.
1088 (read_include_file): Don't call cpp_output_tokens. Call
1090 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
1091 (cpp_reader_init): Don't initialize token_buffer. Call
1092 _cpp_init_internal_pragmas.
1093 (cpp_cleanup): Don't clear token_buffer.
1094 (cpp_start_read): Don't worry about output from -D processing.
1095 Don't call cpp_output_tokens.
1096 (cpp_finish): Don't dump macros here. Don't call
1098 * cppmacro.c (_cpp_dump_definition): Rename
1099 cpp_dump_definition. Write directly to a FILE *.
1100 (dump_funlike_macro): Delete.
1101 (dump_macro_args): New.
1103 * cpplex.c (TOKEN_LEN): Convert to inline function.
1104 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
1105 cpp_scan_line, _cpp_dump_list): Delete.
1106 (cpp_printf, cpp_output_list): New.
1107 (output_line_command): Don't worry about entering or leaving files.
1108 (cpp_scan_buffer): Just output each token as we hit it.
1109 (process_directive): Don't call cpp_output_tokens.
1110 (_cpp_glue_header_name): Don't use token_buffer.
1111 (output_token, dump_param_spelling): Write directly to a FILE *.
1113 * cpplib.c (pass_thru_directive, dump_macro_name,
1114 pragma_dispatch, do_pragma_gcc): Delete.
1115 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
1116 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
1118 (do_error, do_warning, pragma_dependency): Call
1119 _cpp_begin_message, then cpp_output_list.
1120 (cpp_register_pragma, cpp_register_pragma_space,
1121 _cpp_init_internal_pragmas): New.
1122 (do_pragma): Walk the pragmas table here.
1123 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
1124 do_pragma_dependency): Return void.
1125 (do_pragma_implementation): Moved to cppmain.c.
1127 * cpplib.h: Update prototypes.
1128 (struct cpp_reader): Remove printer, token_buffer,
1129 token_buffer_size, and limit. Add struct cb, and pragmas.
1130 (struct cpp_printer): Remove last_id and written.
1131 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
1132 CPP_ADJUST_WRITTEN): Delete.
1133 * cpphash.h: Update prototypes.
1134 (ufputs): New wrapper.
1136 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
1137 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
1138 (main): Set up callbacks. Register #pragma implementation.
1139 Dump macros from here.
1141 2000-08-01 Geoff Keating <geoffk@cygnus.com>
1143 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
1144 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
1145 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
1146 insns if they have a REG_MAYBE_DEAD note attached.
1147 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
1148 (rs6000_emit_load_toc_table): TOC loads may go dead.
1150 2000-08-01 Jim Wilson <wilson@cygnus.com>
1152 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
1153 type exists before using it. Use number of words as alignment
1155 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
1156 ia64_va_arg): Propagate ia64_function_args changes here.
1158 2000-08-01 Richard Henderson <rth@cygnus.com>
1160 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
1161 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1163 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
1165 From Joern Rennecke:
1166 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
1167 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
1168 unless TARGET_SH3E is set.
1169 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
1171 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
1172 (ashlsi3_std): New pattern.
1173 (ashlsi3 expander): Use it for TARGET_SH3.
1174 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
1176 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1178 * loop.c (canonicalize_condition): Use destination, not source to
1179 determine SET's mode.
1181 2000-07-31 Mark Mitchell <mark@codesourcery.com>
1183 * flow.c (clear_log_links): Fix typo.
1185 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
1187 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
1188 on targets which need more than one insn for a compare/cbranch
1191 2000-07-31 Jim Wilson <wilson@cygnus.com>
1193 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
1194 when computing offset.
1196 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
1198 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
1200 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1202 * flow.c (clear_log_links): Nuke global_live_at_start and
1203 global_live_at_end data, since if the log_links stuff is invalid
1204 so is global_live_at_*.
1206 2000-07-31 Richard Henderson <rth@cygnus.com>
1208 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
1210 2000-07-31 Jakub Jelinek <jakub@redhat.com>
1212 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
1213 (_cpp_get_token): Don't macro expand a just pasted token if it
1214 was pasted at no_expand_level.
1216 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1218 * cppmacro.c (find_param, count_params, save_expansion):
1219 Permit 'defined' as a macro parameter name.
1221 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1223 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1224 xcpp to cpp throughout.
1225 (native): Remove unnecessary dependency on cpp.
1227 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1228 tradcpp to tradcpp0.
1229 (.i spec): Add missing output-file spec to cc1 command line.
1230 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1232 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1234 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1235 (implicit_decl_warning): New function.
1236 (implicitly_declare): Use it.
1237 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1238 to complain about implicit decls of builtins.
1240 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1241 based on pedantic && flag_isoc99, if not already set.
1242 * c-tree.h: Declare mesg_implicit_function_declaration.
1243 Prototype implicit_decl_warning.
1245 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1247 * Makefile.in (ssa.o): Updated header files in dependences.
1248 * basic-block.h: Added compute_immediate_postdominators declaration.
1249 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1251 * flow.c (compute_immediate_dominators): Updated comment.
1252 (compute_immediate_postdominators): Added definition.
1253 * rtl.h (HARD_REGISTER_P): Added definition.
1254 * ssa.c: Include additional header files.
1255 (assert): Added definition.
1256 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1257 include select hard registers.
1258 (ssa_rename_to_insert): Likewise.
1259 (ssa_rename_from_initialize): Likewise.
1260 (ssa_rename_from_lookup): Likewise.
1261 (original_register): Likewise.
1262 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1263 include select hard reigsters.
1264 (ssa_rename_from_traverse): Likewise.
1265 (ssa_rename_from_free): Likewise.
1266 (ssa_rename_from_print): Likewise.
1267 (ssa_rename_from_print_1): Likewise.
1268 (ssa_rename_from_hash_function): Likewise.
1269 (ssa_rename_from_equal): Likewise.
1270 (ssa_rename_from_delete): Likewise.
1271 (simplify_to_immediate_dominators): Removed in favor of
1272 flow.c:compute_immediate_dominators.
1273 (find_evaluations_1): Modified to work with hard registers.
1274 (insert_phi_node): Likewise.
1275 (insert_phi_nodes): Likewise.
1276 (struct rename_set_data): Updated prev_reg comment.
1277 (create_delayed_rename): Modified to work with hard registers.
1278 (RENAME_NO_RTX): Updated comment.
1279 (apply_delayed_renames): Modified to work with hard registers.
1280 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1281 (rename_block): Updated to use revised ssa_rename_to interface.
1282 (rename_registers): Updated to use revised ssa_rename_to and
1283 ssa_rename_from interface.
1284 (convert_to_ssa): Revised to use compute_immediate_dominators and
1285 deal with hard registers.
1286 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1287 registers. Added check for illegal unification of hard register.
1288 (make_equivalent_phi_alternatives_equivalent): Modified to work
1289 with hard registers.
1290 (compute_conservative_reg_partition): Likewise.
1291 (coalesce_if_unconflicting): Modified to work with hard registers
1292 and check for conflicting hard registers.
1293 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1295 (rename_equivalent_regs_in_insn): Modified to work with hard
1297 (record_canonical_element_1): Added definition.
1298 (check_hard_regs_in_partition): Added definition.
1299 (convert_from_ssa): Added data structure deallocation and check
1300 for illegal hard register unification.
1301 (conflict_hard_regs_p): Added definition.
1302 * toplev.c (rest_of_compilation): Added comment.
1304 2000-07-31 Anthony Green <green@redhat.com>
1306 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1308 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1310 * builtins.c (expand_builtin_apply): Don't defer pop during
1313 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1315 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1316 preferred_unit_stack_boundary when it is > 1.
1318 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1320 * c-common.c (init_function_format_info): Add C99 format functions
1323 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1324 void' or 'register void' as being the special case of 'void' alone
1325 in a parameter list.
1327 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1328 discarding qualifiers into a plain warning.
1330 2000-07-31 Kazu Hirata <kazu@hxi.com>
1332 * combine.c: Fix formatting.
1334 * h8300.md: Fix formatting.
1336 * local-alloc.c: Fix formatting.
1338 * h8300.c (get_shift_alg): Remove the variable alg.
1339 (emit_a_shift): Rearrange code to improve readability.
1341 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1343 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1344 HImode on all architectures and a combination of HImode and SImode
1345 on H8/300H and H8/S.
1347 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1349 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1351 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1354 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1356 * recog.c (extract_insn): Set operand_mode according to
1357 operand if match_operand is VOIDmode.
1359 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1361 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1363 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1365 * c-parse.in (extdefs): Call ggc_collect between external
1368 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1369 Richard Henderson <rth@cygnus.com>
1371 * Makefile.in (OBJS): Add doloop.o.
1372 * doloop.c: New file.
1374 * final.c (insn_current_reference_address): Return 0 before final.
1375 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1376 * jump.c (any_uncondjump_p): Likewise.
1377 * loop.c (indirect_jump_in_function): Make static.
1378 (strength_reduce): Call doloop_optimize.
1379 (insert_bct, instrument_loop_bct): Remove.
1380 * loop.h (doloop_optimize): Prototype.
1381 * recog.c (split_all_insns): Split all INSN_P.
1382 * toplev.c (flag_branch_on_count_reg): Default on.
1384 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1385 flag_branch_on_count_reg.
1386 * config/i386/i386.c (override_options): Likewise.
1387 * config/rs6000/rs6000.c (optimization_options): Likewise.
1389 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1391 (dbra_ge): Remove, as well as all it's splitters.
1393 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1396 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1397 (ia64_register_move_cost): Declare.
1398 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1399 (struct ia64_frame_info): Add ar_size.
1400 (ia64_compute_frame_size): Set it.
1401 (save_restore_insns): Save and restore ar.lc.
1402 (ia64_register_move_cost): New, moved from header file. Handle
1403 application registers.
1404 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1405 (emit_insn_group_barriers): Special case doloop_end_internal.
1406 (ia64_epilogue_uses): Mark ar.lc live at end.
1407 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1408 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1409 (FIRST_PSEUDO_REGISTER): Make room.
1410 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1411 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1412 (REG_ALLOC_ORDER): Update.
1413 (HARD_REGNO_MODE_OK): Update.
1414 (REGISTER_NAMES): Update.
1415 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1416 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1417 (REGNO_REG_CLASS): Update.
1418 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1419 (REGISTER_MOVE_COST): Move out of line.
1420 (PREDICATE_CODES): Update.
1421 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1422 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1423 (shladd_elim splitter): Allow constants in the predicate.
1424 (doloop_end, doloop_end_internal): New.
1426 2000-07-30 Richard Henderson <rth@cygnus.com>
1428 * genattrtab.c (struct insn_def): Add lineno member.
1429 (struct insn_ent): Likewise.
1430 (struct attr_desc): Likewise.
1431 (struct delay_desc): Likewise.
1432 (struct function_unit_op): Likewise.
1433 (struct function_unit): Likewise.
1434 (check_attr_value): Use message_with_line.
1435 (check_defs): Likewise.
1436 (expand_units): Likewise.
1437 (check_attr_test): Take a lineno argument.
1438 (gen_attr): Likewise.
1439 (gen_insn): Likewise.
1440 (gen_delay): Likewise.
1441 (gen_unit): Likewise.
1442 (main): Give it to them.
1443 (convert_set_attr_alternative): Take an insn_def argument
1444 instead of num_alt and insn_index.
1445 (convert_set_attr): Likewise.
1446 (write_test_expr): Protect INSN_ADDRESSES load
1447 with INSN_ADDRESSES_SET_P.
1449 2000-07-30 Richard Henderson <rth@cygnus.com>
1451 * flow.c (init_propagate_block_info): Use pc_set.
1453 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1455 * i386.md (*lea_general_[123]) New insns and splits.
1456 (addsi3 to lea splitter): Handle other modes too.
1457 (shlsi3 to lea splitter): Likewise.
1458 (addhi_1_lea, shlhi_1_lea): New patterns.
1459 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
1461 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1463 * recog.c (general_operand, nonimmediate_operand): Accept
1464 any mode for VOIDmode CONSTANT_P operands.
1466 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1468 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
1469 instead of replace_rtx.
1470 * recog.c (validate_replace_rtx_subexp): New function.
1471 * recog.h (validate_replace_rtx_subexp): Declare.
1473 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
1475 * combine.c (simplify_set, make_extraction, make_compound_operation
1476 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
1477 as force_to_mode argument.
1479 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1481 * combine.c (if_then_else_cond): Be sure that mode fits in
1484 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1486 * combine.c (record_promoted_value): Allow bitsize of mode
1487 to be equivalent to HOST_BITS_PER_WISE_INT.
1489 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1491 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
1492 Do not call gen_mode_alignment when mode is BLKmode.
1494 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
1496 * loop.c (express_from_1): Fix call of simplify_gen_binary.
1498 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1500 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
1501 VOIDmode implies both operands to be VOIDmode.
1502 (simplify_ternary_operation): Compute properly the mode of comparison.
1503 * combine.c (combine_simplify_rtx): Likewise.
1505 2000-07-25 Michael Hayes <mph@paradise.net.nz>
1507 * basic-block.h (struct loops): New field rc_order.
1508 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
1509 (flow_loops_free): Free rc_order.
1510 (flow_depth_first_order_compute): New parameter rc_order.
1511 (flow_loops_find): Allocate rc_order and swap usage with
1514 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1515 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1517 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
1518 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
1519 (nodb_call, return_from_epilogue): Likewise.
1520 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
1521 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
1522 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
1523 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1524 (c4x_valid_type_attribute_p): Likewise.
1525 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
1526 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
1528 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1530 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
1531 and loadhi_big_constant if applicable.
1532 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
1533 and add new splitter.s
1535 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1537 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
1539 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1541 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
1543 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1545 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
1547 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1549 * config/c4x/libgcc.S (divqf3): Improve accuracy.
1551 2000-07-27 Mark Mitchell <mark@codesourcery.com>
1553 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
1554 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
1555 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
1556 (get_prev_bb_note): Likewise.
1557 (remove_scope_notes): Likewise.
1558 * flow.c (commit_one_edge_insertion): Likewise.
1559 (merge_blocks_nomove): Likewise.
1560 (verify_flow_info): Likewise.
1561 * gcse.c (insert_insn_end_bb): Likewise.
1562 * reg-stack.c (emit_swap_insn): Likewise.
1563 * ssa.c (first_insn_after_basic_block_note): New function.
1564 (insert_phi_node): Use it.
1565 (rename_block): Likewise.
1566 (eliminate_phi): Likewise.
1567 (make_regs_equivalent_over_bad_edges): Likewise.
1568 (make_equivalent_phi_alternatives_equivalent): Likewise.
1569 (for_each_successor_phi): Likewise.
1570 (convert_from_ssa): Modify phi-node deletion algorithm.
1572 2000-07-29 Andreas Jaeger <aj@suse.de>
1574 * configure.in (mips*-*-linux*): Use mips*el to check for little
1575 endian MIPS, add tmake_file.
1577 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
1578 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
1579 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
1581 2000-07-28 Richard Henderson <rth@cygnus.com>
1583 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
1584 Sign extend mode size before negating.
1586 2000-07-28 Richard Henderson <rth@cygnus.com>
1588 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
1590 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
1592 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
1593 (cse_insn): Likewise.
1594 (addr_affects_sp_p): Likewise.
1595 * expr.c (move_by_pieces): Likewise.
1596 (clear_by_pieces): Likewise.
1597 * gcse.c (oprs_unchanged_p): Likewise.
1598 * haifa-sched.c (sched_analyze_2): Likewise.
1599 * recog.c (offsettable_address_p): Likewise.
1600 * regclass.c (record_address_regs): Likewise.
1601 * reload.c (find_reusable_reload): Likewise.
1602 (push_reload): Likewise.
1603 (operands_match_p): Likewise.
1604 (decompose): Likewise.
1605 (find_reloads_address_1): Likewise.
1606 (find_inc_amount): Likewise.
1607 * reload1.c (elimination_effects): Likewise.
1608 * resource.c (mark_set_resources): Likewise.
1609 * flow.c (attempt_auto_inc): New function; mostly broken out
1611 (find_auto_inc): Split into two functions and enhanced to
1612 generate POST_MODIFY.
1613 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
1614 * rtl.h (count_all_occurrences): Declare.
1615 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
1617 * rtlanal.c (count_all_occurrences): New function.
1618 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
1619 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
1621 * config/ia64/ia64-protos.h (destination_operand): Declare.
1622 * config/ia64/ia64.c (destination_operand): New function.
1623 (ia64_print_operand): Handle POST_MODIFY.
1624 (rtx_needs_barrier): Likewise.
1625 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
1626 (HAVE_POST_MODIFY_REG): Define to 1.
1627 (MAX_REGS_PER_ADDRESS): Change to 2.
1628 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
1629 (LEGITIMATE_ADDRESS_REG): New helper macro.
1630 (LEGITIMATE_ADDRESS_DISP): Likewise.
1631 (PREDICATE_CODES): Add entry for destination_operand.
1632 * config/ia64/ia64.md (all mov patterns): Use destination_operand
1633 predicate for operand 0.
1635 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1637 * dwarf2out.c: Indent #error directive.
1639 * gbl-ctors.h: Fix typo in comment.
1640 (__do_global_ctors): Prototype.
1642 * gcse.c (record_one_set, pre_delete): Remove unused variables.
1644 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
1645 (print_operand): Initialize variable `t'.
1647 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
1649 * config/arm/arm.md ("call_value"): removed constraints.
1650 Constraints are ignored in expanders.
1651 (*call_value_reg): split =rf into various constraints.
1652 (*call_value_mem): same
1653 (*call_value_symbol): same
1654 (*sibcall_value_insn): same
1656 2000-07-28 Philipp Thomas <pthomas@suse.de>
1658 * install.texi (--enable-nls): Change the description of the NLS
1659 related configure options to match the current state.
1660 (--with-included-gettext): Likewise.
1661 (--enable-maintainer-mode): New description added.
1662 * extend.texi (-fstrict-prototype): Add missing '.'.
1664 2000-07-27 Jim Wilson <wilson@cygnus.com>
1666 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
1667 DECL_INITIAL (decl) == NULL_TREE.
1669 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
1671 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
1672 on insn-attr.h with it.
1673 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
1674 * insn-addr.h: New header.
1675 (insn_addresses_): Renamed from insn_addresses.
1676 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
1677 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
1678 INSN_ADDRESSES_NEW): New macros.
1679 * genattrtab.c (write_test_expr): Use new macros.
1680 * final.c (insn_addresses, init_insn_lengths): Likewise.
1681 (align_fuzz, shorten_branches): Likewise.
1682 (final): Likewise. Do not reject new insns if their addresses
1683 have been added to INSN_ADDRESSES.
1684 * config/arm/arm.c, config/avr/avr.c: Use new macros.
1685 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
1686 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
1687 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
1688 * config/sh/sh.c: Likewise.
1689 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
1691 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
1693 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
1695 * gcc.c (struct prefix_list): Add member priority.
1696 (enum path_prefix_priority): Declare.
1697 (add_prefix): Replace ``first'' with ``priority''. Append new
1698 entry but keep list in priority order.
1699 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
1700 PREFIX_PRIORITY_LAST to add_prefix.
1701 (process_command): Move include kludge - foo/stageN - to before
1704 2000-07-27 Jason Merrill <jason@redhat.com>
1706 * dwarf2out.c (gen_typedef_die): Abort if we get identical
1707 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
1709 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
1711 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
1712 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
1714 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
1716 * c-decl.c (finish_function): Don't treat 'main' specially unless
1717 flag_hosted. In C99 mode, return 0 from 'main' unless
1718 DEFAULT_MAIN_RETURN is otherwise defined.
1720 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
1721 parameters defaulting to int in an old-style function definition.
1723 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 * c-parse.in (string): For -Wtraditional, warn about string
1726 concatenation only once per line.
1728 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
1730 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
1731 for HI-UX/WE2 systems.
1733 2000-07-24 Bruce Korb <bkorb@gnu.org>
1735 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
1736 defining the __xxx_TYPE__ macros.
1737 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
1738 * fixincl/fixlib.h: don't need to include "tm.h" anymore
1739 * fixincl/inclhack.def(type_map): now obsolete
1741 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
1743 * cpp.texi: Append a trailing full-stop to xrefs where needed.
1745 2000-07-26 Dave Pitts <dpitts@cozx.com>
1747 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
1749 (mvs_hash_alias): New function.
1750 (mvs_add_alias): Change argument spacing.
1751 (mvs_need_alias): Change aliasing criteria. Added documentation.
1752 (mvs_get_alias): Change to use hashed name. The hashed name prevents
1753 CSECT name collisions.
1754 (mvs_check_alias): Likewise.
1755 (handle_pragma): Change documentation.
1756 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
1757 mode from SImode to DImode.
1758 (iorhi3): Changed LTORG size for insn.
1760 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1762 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1763 mem if the address is a mode_dependent_address_p.
1765 2000-07-26 Kazu Hirata <kazu@hxi.com>
1767 * h8300.c (print_operand): Print ":8" when the 'R' operand is
1768 suitable for 8-bit absolute.
1769 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
1770 (OK_FOR_U): Add a case for the 8-bit constant address on the
1773 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
1775 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
1776 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
1777 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
1778 lack of implemented alignment.
1780 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
1782 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
1783 cross-compiling between 64-bit and 32-bit machines.
1785 2000-07-27 Richard Henderson <rth@cygnus.com>
1787 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
1788 (movhicc_astep, movhi_internal_astep): New.
1789 (movsicc_astep, movsi_internal_astep): New.
1790 (movdicc_astep, movdi_internal_astep): New.
1791 (movsfcc_astep, movsf_internal_astep): New.
1792 (movdfcc_astep, movdf_internal_astep): New.
1793 (movxfcc_astep, movxf_internal_astep): New.
1794 (cmovdi_internal_astep, cmovsi_internal_astep): New.
1795 Unify the cmov[ds]i splitters.
1797 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
1799 * real.c (asctoeg): Rename `error' label to unexpected_char_error
1801 2000-07-26 Nick Clifton <nickc@cygnus.com>
1803 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
1804 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
1806 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
1807 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
1809 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
1811 * c-decl.c (finish_enum): Convert enumerations that fit in an
1813 (build_enumerator): In pedantic mode, cast to `int' those that
1816 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
1818 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
1820 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1822 * sh.md (cmpgtdi_t): Must be split.
1823 (cmpgtdi_t+1): New splitter.
1825 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1827 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
1828 warnings for indented directives even if we are skipping.
1830 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
1832 * invoke.texi (strict-prototypes): Remove.
1833 * extend.texi (Deprecated Features): Add strict-prototypes.
1834 (Backwards Compatibility): New node.
1836 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1838 * config/i386/i386.md (andsi_1+1): Allow HImode.
1839 (andsi_1+2): Require q_regs_operand.
1841 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1843 * config/i386/i386.md (call_pop): Check operands[0],
1844 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1846 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1847 (call_value): Likewise.
1849 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1851 * toplev.c (pipe_closed): Delete.
1852 (crash_signal): New. Generate ICE for a fatal signal.
1853 (float_signal): Call crash_signal outside a float-handler
1855 (main): Install crash_signal as handler for core-dumping signals.
1857 2000-07-25 David Edelsohn <edelsohn@gnu.org>
1859 * rs6000.c (print_operand, case 'T'): New case.
1861 * rs6000.md (call_indirect_aix32): Convert to expander of
1862 scheduled instructions.
1863 (call_indirect_aix64): Likewise.
1864 (call_value_indirect_aix{32,64}): Likewise.
1865 (call, call_value): Invoke expanders for AIX. Fall through to
1867 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
1868 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
1869 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
1870 only "g" constraint.
1871 (call_nonlocal_aix64): Likewise.
1872 (call_value_nonlocal_aix{32,64}): Likewise.
1873 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
1875 (call_value_nonlocal_sysv): New pattern.
1876 (indirect_jump{si,di}): Use new 'T' modifier.
1877 (tablejump{si,di} matchers): Likewise.
1878 (return_internal_{si,di}): Likewise.
1879 (return_eh_{si,di}): Likewise.
1881 2000-07-24 Richard Henderson <rth@cygnus.com>
1883 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
1884 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
1885 * config/ia64/ia64.md (movdi_internal): Use it.
1887 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
1889 * cppexp.c: Warn about unary + if -Wtraditional.
1890 * cpplex.c (lex_line): Always set BOL on the first token of a line.
1892 2000-07-24 Michael Meissner <meissner@redhat.com>
1894 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
1897 2000-07-24 Nick Clifton <nickc@cygnus.com>
1899 * config/arm/arm.c (emit_multi_reg_push): Generate a
1900 REG_FRAME_RELEATED_NOTE that is compatable with the code in
1901 dwarf2out_debug_frame_expr.
1903 2000-07-24 Jason Merrill <jason@redhat.com>
1905 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
1906 UNALIGNED_INT_ASM_OP.
1907 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
1908 a location expression.
1909 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
1910 assume indirect access if we're saving the CFA address exactly.
1912 * Makefile.in (bootstrap): Move -BstageN/ to the end.
1914 2000-07-24 Jakub Jelinek <jakub@redhat.com>
1916 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
1919 2000-07-24 Michael Meissner <meissner@redhat.com>
1921 * invoke.texi (D30V Options): Add d30v options.
1923 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
1925 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
1926 needed by our gcse pass anymore.
1927 (free_pre_mem): Corresponding changes.
1928 (compute_pre_data): Do not call compute_transpout anymore.
1930 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
1931 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
1934 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
1935 (compute_pre_data): Do it here instead.
1937 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
1939 (pre_delete): Corresponding changes.
1941 2000-07-23 Mark Mitchell <mark@codesourcery.com>
1943 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
1944 to figure out whether or not a variable has already been emitted.
1946 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
1948 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
1949 instead of gen_call.
1951 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
1953 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
1955 2000-07-23 Kazu Hirata <kazu@hxi.com>
1957 * h8300.c: Fix formatting.
1959 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
1961 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
1962 for `long' switch expression into a plain warning.
1964 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
1965 (yylex): Don't pedwarn for "inline" in C99 mode.
1967 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
1969 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
1970 ggc_alloc): Likewise.
1971 * bb-reorder.c (dump_scope_forest_1): Likewise.
1973 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
1975 * reload.c (find_reloads_toplev): Add new parameter
1977 (find_reloads): Add new parameter to find_reloads_toplev calls.
1979 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
1981 * collect2.c (main): Typo fixed.
1982 * diagnostic.c: Typo fixed.
1983 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
1984 * eh-common.h: Typo fixed.
1985 * emit-rtl.c (start_sequence): Typo fixed.
1986 * flow.c (find_label_refs): Typo fixed.
1987 (calculate_global_regs_live): Typo fixed.
1988 (mark_regno_cond_dead): Typo fixed.
1989 (create_edge_list): Typos fixed.
1990 (verify_edge_list): Typo fixed.
1991 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
1992 * loop.c (strength_reduce): Typo in function name fixed.
1993 * rtl.h: Added comments. Typo in function name fixed.
1994 * rtlanal.c: Typo in function name fixed.
1995 (insn_dependant_p): Rename to ...
1996 (insn_dependent_p): ... this.
1997 (computed_jumo_p): Typo fixed.
1999 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2001 * system.h (__FUNCTION__): Wrap definition in #ifndef.
2003 2000-07-21 David Edelsohn <edelsohn@gnu.org>
2005 * rs6000.h (SIZE_TYPE): Define.
2007 2000-07-21 Mark Mitchell <mark@codesourcery.com>
2009 * ssa.c (rename_insn_1): Don't rename registers that are
2012 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
2014 * diagnostic.c (trim_filename, fancy_abort): Moved here from
2016 (fatal_function, set_fatal_function): Removed.
2017 (fatal): Don't prepare for or call the fatal_function.
2018 (diagnostic_lock, error_recursion): New.
2019 (diagnostic_for_decl, report_diagnostic): Guard against
2020 re-entering the error reporting routines.
2021 (fancy_abort): Assume function is not NULL.
2023 * errors.c (fancy_abort): New. Assume function is not NULL.
2024 * tradcpp.c (fancy_abort): Assume function is not NULL.
2026 * system.h: Provide default definition of __FUNCTION__.
2027 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
2028 Always use __FUNCTION__ in definition of abort.
2030 * varray.h: Likewise.
2031 * toplev.h: Likewise. Don't prototype set_fatal_function.
2033 2000-07-20 Geoff Keating <geoffk@cygnus.com>
2035 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
2037 * glimits.h: Don't do #if defined for ARCH_PPC.
2039 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
2040 constants of size no larger than a pointer should go in the TOC.
2041 Add 'MODE' parameter.
2042 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
2043 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
2044 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
2045 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
2046 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
2047 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
2048 (rs6000_legitimize_address): Likewise.
2049 (rs6000_emit_move): Likewise.
2050 (rs6000_select_rtx_section): Likewise.
2051 (output_toc): Deal properly with outputting small constants like
2052 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
2053 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
2054 MODE parameter. Put small constants in the TOC.
2056 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
2058 (rs6000_emit_move): When reload calls us with an illegitimate
2059 address, exit early. Move the change_address calls to one place
2060 at the end of the routine. Merge the SImode and DImode expanders.
2061 When called by reload to put an integer into a FP register, force
2064 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
2066 (rs6000_hash_constant): Hash mode too.
2067 (toc_hash_function): Allow for key_mode.
2068 (toc_hash_eq): Structures are different if key_mode differs.
2069 (output_toc): Add 'mode' parameter. Save key_mode.
2070 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
2071 Pass 'mode' parameter.
2072 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
2074 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
2075 for vtable references.
2077 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
2078 choice, don't put integer values in FP regs.
2080 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
2082 * flow.c (verify_flow_info): Revamp code to verify that the
2083 head and end of each basic block are in the insn chain.
2085 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
2087 * gcse.c (record_one_set): Prepend instead of append onto
2088 reg_set_table, making it O(n) instead O(n^2).
2089 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
2090 Use a queue instead of a stack as worklist.
2092 2000-07-20 Kazu Hirata <kazu@hxi.com>
2094 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
2095 * h8300.h (OK_FOR_T): New.
2096 (EXTRA_CONSTRAINT): Support OK_FOR_T.
2097 * h8300.md: Use inc/dec.[wl] for increment/decrement
2098 by 1 and 2 in HI and SI modes.
2100 2000-07-20 Jim Wilson <wilson@cygnus.com>
2102 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
2103 larger than 14 bits.
2105 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
2107 * cppmacro.c (CAN_PASTE_AFTER): New macro.
2108 (count_params): Don't set GNU_REST_ARGS on anything.
2109 (save_expansion): Set PASTE_LEFT only on tokens for which
2110 CAN_PASTE_AFTER is true, or which are named operators.
2112 * cpplex.c (parse_args): Distinguish between a rest argument
2113 given one empty argument, and a rest argument given zero arguments.
2114 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
2115 deletion of previous token based on that.
2116 (get_raw_token): Flatten some control structure.
2118 * cpplib.h (CPP_LAST_EQ): Correct.
2119 (VOID_REST): New token flag.
2120 (GNU_REST_ARGS): Delete.
2122 * tradcpp.c (main): Don't munge -D options.
2123 (make_definition): Bring -D handling in line with cpplib.
2124 (do_define): Strip all leading whitespace from macro definitions.
2126 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
2128 * Makefile.in (tradcpp): Depend on intl.o and version.o.
2130 2000-07-20 Bruce Korb <bkorb@gnu.org>
2132 * fixincl/check.tpl: strip the platform specific types before testing
2133 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
2134 * fixincl/fixincl.tpl: use platform specific types
2135 * fixincl/fixlib.h: include the platform specific types
2136 * fixincl/inclhack.def(gnu_types): don't supply the types
2137 * fixincl/fixincl.x: regen
2139 2000-07-19 Jim Wilson <wilson@cygnus.com>
2141 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
2144 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2146 * tradcpp.c (rescan): Do not recognize directives when the #
2149 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2151 Implement C++ named operators.
2153 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
2154 of operators allowed in #if and having an _EQ variant. Add
2155 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
2156 (cpp_token flags): Add NAMED_OP.
2157 (enum node_type): Add T_OPERATOR.
2158 (struct cpp_hashnode): Add code slot to value union.
2159 * cpphash.h (spec_nodes): Remove n_defined.
2161 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
2162 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
2163 (is_macro_disabled): Tweak error messages.
2165 * cpplib.c (get_define_node): Disallow all named operators as
2166 macro names. Tweak error messages.
2167 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
2169 * cppinit.c (builtin_array): Add entries for the named operators.
2170 * cppexp.c (lex): Check for CPP_DEFINED token.
2171 (priority table): Add entries for CPP_MIN and CPP_MAX.
2172 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
2174 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
2176 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
2177 larger than the array of cuids.
2178 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
2181 2000-07-19 Bruce Korb <bkorb@gnu.org>
2183 * fixinc/fixincl.c: Convert to using a table of environment variables
2184 and activate the auto-edit marker on the fixed output files.
2185 * fixinc/fixlib.h: Define the environment table
2186 * fixinc/fixincl.sh: export the ${INPUT} dir
2187 * fixinc/check.tpl: likewise
2189 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2191 * gcc.c (.h spec): Fix typo.
2193 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
2195 * Makefile.in: Fix tradcif.c path.
2197 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2199 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
2202 * cpphash.h (TOKEN_NAME): New macro.
2203 (_cpp_spell_operator): Deleted.
2204 (token_spellings): Now _cpp_token_spellings.
2206 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
2207 * cpplex.c: Use OP and TK macros when expanding the
2208 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
2209 store the stringification of the enumeration name (CPP_CHAR,
2210 etc.) in the name slot of token_spellings.
2211 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
2212 token_spellings directly.
2213 * cpplib.c: Use TOKEN_SPELL.
2215 * cpplex.c (_cpp_push_token): If the token being pushed back
2216 is the previous token in this context, just subtract one from
2218 * cppmacro.c (save_expansion): Clear aux field when storing a
2221 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2223 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2224 buffer, provided it is not NULL.
2226 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2228 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2229 case of invalid volatile re-declaration.
2231 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2233 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2234 (expand_call): Adjust caller.
2236 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2238 * diagnostic.h (report_diagnostic): Change prototype.
2240 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2241 diagnostic_for_decl): Change prototype.
2242 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2243 error, warning, error_with_file_and_line,
2244 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2245 Adjust call to report_diagnostic, diagnostic_for_decl.
2246 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2247 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2249 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2250 varaible argument list.
2252 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2254 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2255 moved to cppmacro.c.
2256 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2257 dump_hash_helper): Delete.
2258 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2259 cpp_forall_identifiers): New. Implement specialized version of
2260 Vlad's expandable hash table.
2261 (cpp_lookup): Use new functions.
2262 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2264 * cppmacro.c: New file.
2265 * cppinit.c (dump_macros_helper): New.
2266 (cpp_finish): Iterate over the identifier table directly.
2267 * cpplex.c (parse_name): Calculate the hash of the identifier
2268 while we scan it. Use _cpp_lookup_with_hash when we can.
2270 * cpphash.h: Update prototypes.
2271 (xcnewvec, HASHSTEP): New helper macros.
2272 * cpplib.h: Update prototypes.
2273 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2274 (cppmacro.o): New rule.
2275 (cpphash.o): Update deps.
2277 * cppmain.c: Do not set pfile->printer if no_output is on.
2279 2000-07-15 Neil Booth <neilb@earthling.net>
2281 * cpplib.c: Change all directive-handler functions to return
2283 * cpphash.h: Update typedefs.
2285 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2287 * configure: Regenerate.
2289 * extend.texi (Extended Asm): Mention that a memory clobber
2290 does not count as a side-effect.
2292 * unroll.c (copy_loop_body): Fix one instance of using host
2293 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2296 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2298 2000-07-17 Richard Henderson <rth@cygnus.com>
2300 * config/ia64/ia64.md (movdi): Split out load address code.
2301 New post-reload splitter for symbolic operands.
2302 (movdi_internal): Abort if we didn't split symbolic operands
2303 when we should have.
2304 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2305 (ia64_reorg): Split insns when not optimizing.
2306 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2308 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2310 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2311 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2313 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2315 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2317 2000-07-17 Jason Merrill <jason@redhat.com>
2319 * Makefile.in (clean): Remove libgcc directory.
2321 * configure.in (-Wno-long-long check): Use higher-level macros.
2323 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2325 * simplify-rtx.c (simplify_binary_operation): Recognize
2326 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2327 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2328 a CONST_INT, it will always be zero.
2330 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2332 * loop.c (check_dbra_loop) : Return if more than one condition is
2333 present to control the loop.
2335 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2337 * mips.c (mips_expand_prologue): Don't calculate the last argument
2338 register unless we need it. When we are calculating this, make
2339 sure FUNCTION_ARG is giving us a REG.
2341 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2343 * flow.c (libcall_dead_p): Use single_set to verify the insn
2344 has only one set and get for analysis.
2345 (propagate_one_insn): Don't pass the PATTERN of the insn.
2347 2000-07-17 Mark Klein <mklein@dis.com>
2349 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2351 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2353 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2354 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2355 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2356 of second argument of getgroups.
2357 * configure, config.in: Rebuilt.
2359 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2361 * simplify-rtx.c (simplify_relational_operation): Two signed
2362 values with equal high words are less/greater than each other if
2363 their low words are less/greater when considered as unsigned.
2365 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2367 * configure.in (vax-*-openbsd): Change to new style configuration,
2368 add collect2/float_format information.
2369 * configure: Rebuilt.
2370 * config/vax/openbsd1.h: New.
2371 * config/vax/openbsd.h: New.
2372 * config/vax/t-openbsd: New.
2374 2000-07-17 Chip Salzenberg <chip@valinux.com>
2376 * c-common.c (shorten_compare): Quiet warnings about unsigned
2377 comparisons with zero when they occur in a system header.
2379 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2381 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2382 update to describe current practice.
2384 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2386 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2387 references to C9X. Change references to -fstd and -flang-isoc9x
2390 * c-common.c (scan_char_table): Allow "z" length modifiers on
2392 (check_format_info): Use TYPE_DOMAIN on the type matched against
2393 for "z" formats, to retrieve the language size_t rather than the
2396 * c-common.c (check_format_info): Do not make a pedantic objection
2397 to the 'L' length modifier if used with a floating point type
2400 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2401 constants in C99 mode.
2403 2000-07-17 Kazu Hirata <kazu@hxi.com>
2405 * h8300.md: Fix the format of mac.
2406 (movsi_h8300hs): Output a tab after stmac instead of a space.
2408 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2409 profitable adds/subs sequences.
2411 * fold-const.c: Fix comment typos.
2413 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2415 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2417 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2421 2000-07-16 Neil Booth <NeilB@earthling.net>
2423 * cpplex.c: Update comments.
2424 * README.Portability: Small update.
2426 2000-07-16 Neil Booth <NeilB@earthling.net>
2428 * README.Portability: Small update.
2430 2000-07-15 Richard Henderson <rth@cygnus.com>
2432 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
2433 * config/ia64/ia64.c (ia64_move_ok): New function.
2434 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
2435 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
2437 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
2439 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
2440 immediately following a paste operator.
2441 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
2442 (cpp_reader_init): Call it, if HOST_EBCDIC.
2443 (cpp_handle_options): Do not sort option list here.
2444 (handle_option): Rename to cpp_handle_option and export.
2445 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
2446 _cpp_get_token directly.
2447 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
2448 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
2449 * cpplib.h: Prototype cpp_handle_option. Update prototype of
2452 2000-07-15 Richard Henderson <rth@cygnus.com>
2454 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
2455 cast around an expression. Tidy other unsigned tests.
2457 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
2459 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
2460 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
2461 (v_message_with_decl): Rename to ...
2462 (format_with_decl): ... this. Tweak
2463 (diagnostic_for_decl): New function.
2464 (fatal_io_error): Use verbatim in lieu of notice.
2465 (announce_function): Use verbatim.
2466 (default_print_error_function): Likewise.
2467 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
2470 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2472 * mips.c (function_arg_pass_by_reference): Don't do automatic
2473 aggregate initialization.
2474 (machine_dependent_reorg): Initialize variable `mode'.
2476 * mips.md (absdi2): Change variable `regno1' to unsigned int.
2477 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
2478 conflicts with sys/param.h macro of the same name.
2479 (reload_outdi): Likewise.
2481 2000-07-15 Michael Meissner <meissner@redhat.com>
2483 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
2484 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
2485 create a new node instead.
2487 2000-07-15 Neil Booth <NeilB@earthling.net>
2489 * README.Portability: Correct example about calling a function
2490 through a pointer to function. Format wide paragraphs.
2492 2000-07-15 Michael Meissner <meissner@redhat.com>
2494 * README.Portability: Update integer suffixes and function
2497 2000-07-15 Neil Booth <NeilB@earthling.net>
2499 * README.Portability: Small update.
2501 2000-07-15 Neil Booth <NeilB@earthling.net>
2503 * README.Portability: New file.
2505 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
2507 * INSTALL: Give special instructions for building GCC on Irix 6.
2508 * config/mips/x-iris6 (CC): Don't set it.
2511 2000-07-14 Jason Merrill <jason@redhat.com>
2513 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
2514 register in the stack and later in another register, use the new
2517 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2519 * config/mips/mips.md: (absdi2): Handle sign_extend for
2522 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
2524 * cpplib.c (do_pragma_dependency): Tidy warning messages.
2526 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
2528 * .cvsignore: Correct typo.
2530 2000-07-13 Mark Mitchell <mark@codesourcery.com>
2532 * .cvsignore: Add generated YACC files.
2533 * objc/.cvsignore: New file.
2535 2000-07-14 Neil Booth <NeilB@earthling.net>
2537 * cpplex.c (adjust_column): New funcion.
2538 (skip_whitespace): Use it.
2539 (skip_block_comment): Use it, and warn about /*/* with
2542 2000-07-14 Neil Booth <NeilB@earthling.net>
2544 * cpphash.c (struct macro_info): Add new members.
2545 (_cpp_free_definition): Delete the macro directly.
2546 (count_params): Return void, with first token of
2547 expansion in struct macro_info on success.
2548 (parse_define): Return int. Hoist syntax checking from
2549 save_macro_expansion. Leave call to save_expansion to
2550 _cpp_create_definition.
2551 (alloc_macro): Needs just 2 arguments.
2552 (free_macro): Delete.
2553 (save_expansion): Don't perform syntax check.
2554 (_cpp_create_definition): Call save_expansion.
2556 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2558 * genrecog.c (write_header): Split long string.
2560 * cpphash.c (macro_info): Don't use the `signed' keyword.
2562 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
2564 2000-07-13 Jakub Jelinek <jakub@redhat.com>
2566 * calls.c (stored_args_map): New variable.
2567 (check_sibcall_argument_overlap_1): New.
2568 (check_sibcall_argument_overlap): New.
2569 (expand_call): Initialize stored_args_map.
2570 Call check_sibcall_argument_overlap.
2572 2000-07-13 Bruce Korb <bkorb@gnu.org>
2574 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
2575 (emit_gnu_type): utility procedure for gnu_type_fix
2576 (gnu_type_fix): implement various pre-processor guards around
2577 standard types so these types can be defined over and over
2578 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
2579 types alluded to above will have GNU-compliant base types
2580 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
2581 * fixinc/inclhack.def: add test_text entries and utilize the new
2582 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
2583 * fixinc/fixincl.x: regenerate
2585 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2587 * diagnostic.c (vline_wrapper_message_with_location,
2588 v_message_with_file_and_line, v_error_with_file_and_file,
2589 v_error_for_asm, v_warning_for_asm, vfatal,
2590 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
2591 vsorry, verror, vwarning, vpedwarn): Remove.
2592 (diagnostic_for_asm): New function.
2593 (pedwarn, error, warning, pedwarn_with_file_and_line,
2594 error_with_file_and_line, warning_with_file_and_line, sorry,
2595 error_for_asm, warning_for_asm, fatal): Reimplement.
2596 (finish_diagnostic): Clear diagnostic info as well.
2598 2000-07-13 Neil Booth <NeilB@earthling.net>
2600 * c-common.h (flag_digraphs): New.
2601 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
2602 * c-lex.c (yylex): Use flag_digraphs to decide whether to
2605 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
2607 * gcc.c (do_spec_1): Add new %B operator.
2608 (set_input): Prepare for %B.
2610 (link_command_spec): Move up with the other tm.h-
2611 overrideable specs. Factor out the portion conditional on
2612 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
2613 (struct compiler): Just have a single spec string. All users
2615 (default_compilers): Remove unnecessary braces.
2616 (static_specs): Update.
2618 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
2620 (C and assembly specs): Use the new named specs, as appropriate.
2622 * objc/lang-specs.h: Use the new named specs.
2623 Remove unnecessary braces.
2625 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2627 * gcc.c (execute): If a subprocess gets a fatal signal, report
2628 strsignal() of the signal number, and ask for a bug report.
2629 Do not do this for SIGPIPE if there's already been an error.
2631 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
2634 * tradcif.c: Remove.
2636 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2638 * final.c (profile_function): Do not emit profile counters in
2639 the data section, if NO_PROFILE_COUNTERS is defined.
2640 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
2643 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
2644 (FUNCTION_PROFILER): Just emit a call to mcount.
2646 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2648 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
2650 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
2651 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
2652 traditional, lang_chill, or lang_fortran.
2654 * cppfiles.c: #undef strcmp to suppress warning about macros
2655 used without arguments.
2656 (_cpp_execute_include): Use f, not fname, in "No include path"
2658 (_cpp_pop_file_buffer): New function.
2659 * cpplib.c: Don't include <sys/mman.h>.
2660 (cpp_push_buffer): Set line_base and lineno in new buffer.
2661 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
2663 * cpplex.c: Move all prototypes and structure declarations to the
2664 top of the file. Properly parenthesise some macro arguments.
2665 (cpp_scan_line): New function.
2666 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
2667 don't need to walk up the stack counting.
2669 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2671 * c-common.c (combine_strings): Emit a pedantic warning when a
2672 string length is greater than the minimum ANSI C is required
2675 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
2677 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
2678 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
2680 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * c-decl.c (define_label): Warn about identifier conflicts with
2683 labels in traditional C.
2685 * c-parse.in (unop +): Warn about the unary plus operator for
2688 * c-typeck.c (store_init_value): Warn about automatic aggregate
2689 initialization for traditional C.
2691 * invoke.texi (-Wtraditional): Document new warnings.
2693 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2695 * Makefile.in (c-errors.o): Fix thinko in dependency.
2697 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2699 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
2700 -traditional, -ftraditional, or -traditional-cpp was given.
2701 Do not pass -traditional to the preprocessor.
2702 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
2703 preprocessor does it automatically.
2704 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
2706 * ch/lang-specs.h: Always use tradcpp. Do not pass
2707 -traditional, -trigraphs, or -pedantic to the preprocessor.
2708 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
2711 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2713 * cppexp.c (LOGICAL): Delete macro.
2714 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
2717 * cpphash.c (HASHSIZE): Increase to 4096.
2718 (struct hashdummy): Add hash field.
2719 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
2720 the string values using memcmp.
2721 (cpp_lookup): Set dummy.hash.
2723 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
2725 * configure.in (m88k-openbsd): Express configuration using new fragment
2727 * configure: Rebuilt.
2728 * m88k/aout-dbx.h: New.
2729 * m88k/openbsd.h: New.
2730 * m88k/xm-openbsd.h: New.
2732 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2734 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
2736 2000-07-12 Richard Henderson <rth@cygnus.com>
2738 * reload.c (push_secondary_reload): Make sure to add the new
2739 reload at the end, after acquiring secondary memory.
2741 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2743 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
2745 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
2746 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
2748 * c-parse.in (stmt): Delete unused variables.
2750 * convert.c (convert_to_vector): Likewise.
2752 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
2754 * tree.c (finish_vector_type): Prototype.
2756 2000-07-12 Bruce Korb <bkorb@gnu.org>
2758 * fixinc/fixfixes.c: use xmalloc
2759 * fixinc/fixincl.c(initialize): set program name for xmalloc
2760 * fixinc/fixlib.c(must_malloc): obsolete
2761 (is_cxx_header): no longer used - disabled
2762 (skip_quote): inserted and disabled for future use
2763 * fixinc/fixlib.h: reflects above
2764 * fixinc/fixtests.c: removed dinkleberries
2766 2000-07-12 Neil Booth <NeilB@earthling.net>
2768 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
2769 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
2771 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
2772 struct toklist_dummy): New.
2773 (cpp_free_definition): Free macros with free_macro.
2774 (count_params): Don't save paramter spellings. Save macro
2775 information in a struct macro_info.
2776 (parse_define): Don't allocate a token list.
2777 (save_expansion): Allocate the macro's token list, and
2778 save parameter spellings if necessary. Use TOKEN_SPELL.
2779 (cpp_create_definition): Make list const.
2781 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2783 * c-typeck.c (pedwarn_c99): Move to
2784 * c-errors.c: ... Here.
2785 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
2786 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
2787 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
2788 (c-errors.o): List dependency.
2790 2000-07-12 Mark Mitchell <mark@codesourcery.com>
2792 * c-parse.c: Remove.
2793 * c-parse.h: Likewise.
2794 * c-parse.y: Likewise.
2795 * objc/objc-parse.c: Likewise.
2796 * objc/objc-pasre.y: Likewise.
2798 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
2800 * gcc.texi: Fix minor typos
2801 * extend.texi: Fix minor typos
2803 2000-07-11 Marc Espie <espie@openbsd.org>
2805 * collect2.c (main): Recognize .lo as object files.
2807 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2809 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
2812 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
2813 with MAP_ANONYMOUS and MAP_ANON.
2814 * configure, config.in: Rebuilt.
2816 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2818 * diagnostic.c (save_output_state): Remove.
2819 (restore_output_state): Likewise.
2820 (clear_text_info): New function.
2821 (clear_diagnostic_info): Likewise.
2822 (output_text_length, is_starting_newline, output_prefix,
2823 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
2824 prefixing_policy, output_buffer_ptr_to_format_args): New macros
2825 (set_real_maximum_length, output_set_maximum_length,
2826 output_set_prefix, output_get_prefix, output_set_maximum_length,
2827 output_destroy_prefix, init_output_buffer,
2828 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
2829 output_add_newline, output_add_character, output_add_space,
2830 output_append_r, output_append, wrap_text, output_format,
2831 output_do_printf, output_printf, output_do_verbatim,
2832 output_verbatim, verbatim): Use them.
2833 (output_clear): Split into cleat_text_info and
2834 clear_diagnostic_info.
2835 (struct output_state): Move to...
2837 * diagnostic.h: ...Here
2838 (struct output_buffer): Adjust.
2840 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
2842 * cpplex.c (parse_name): No longer inline (premature optimization).
2843 (do_pop_context): Fold into pop_context.
2844 (pop_context): Returns int.
2845 (lex_next): Hoist test for end of directive into pop_context.
2846 (push_macro_context): Returns int; takes just reader and token.
2847 Hoist test for excessive nesting to caller.
2848 (push_arg_context): Returns void; takes just reader and token.
2849 Do not call stringify_arg or get_raw_token.
2850 (get_raw_token): Convert tail recursion through push_arg_context
2851 to a loop at this level. Call stringify_arg here if appropriate.
2852 (maybe_paste_with_next): Convert tail recursion to a while loop.
2853 Hoist test of paste_level to caller.
2855 (stringify_arg): Push arg context at beginning.
2856 (cpp_get_token): Split out core into _cpp_get_token. Call
2857 process_directive here. Throw away CPP_PLACEMARKER tokens.
2858 (_cpp_get_token): Convert tail recursion through
2859 push_macro_context to a loop at this level.
2860 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
2861 _cpp_get_raw_token): Use _cpp_get_token.
2862 (_cpp_skip_rest_of_line): Drop the context stack directly; do
2863 not call pop_context.
2864 (_cpp_run_directive): Call lex_next directly.
2866 * cpphash.h: Prototype _cpp_get_token.
2867 * cppexp.c (lex): Use it.
2868 * cpphash.c (parse_define): Use it.
2869 * cpplib.c (get_define_node, do_undef, parse_include,
2870 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
2871 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
2872 parse_ifdef, validate_else): Use it.
2873 (cpp_push_buffer): Tweak error message; abort if anyone tries
2874 to push a buffer while macro expansions are stacked.
2876 2000-07-11 Donn Terry <donnte@microsoft.com>
2878 * cpplex.c (free_macro_args, save_token): Cast arg of free
2879 and/or xrealloc to PTR.
2880 (_cpp_init_input_buffer): Clear all fields of the base context.
2882 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
2884 * gensupport.c (process_rtx): Make rtl checking stop
2885 complaining about the define_insn while it is being
2886 converted from a define_insn_and_split.
2888 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
2890 * config/mips/mips.c (simple_memory_operand): Access the
2891 INTVAL of the address, not it's containing MEM.
2893 2000-07-11 Bruce Korb <bkorb@gnu.org>
2895 * fixinc/fixtests.c(double_slash): obsolete
2896 (else_endif_label): likewise
2897 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
2898 (libc1_ifdefd_memx): correct initial comment
2899 and omit the #if/#endif pair from the memxxx declarations
2900 * fixinc/fixincl.x: regen
2902 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2904 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
2906 2000-07-11 Neil Booth <NeilB@earthling.net>
2910 2000-07-11 Neil Booth <NeilB@earthling.net>
2912 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
2913 (handle_option): Set digraphs according to standard.
2914 Merge OPT_lang_c89 handler with OPT_std_c89.
2916 * cpplex.c: (lex_line, can_paste): Honour digraphs in
2917 accordance with the digraphs flag.
2919 * cpplib.h: (struct cpp_options): New option digraphs.
2921 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
2922 Bruce Korb <bkorb@gnu.org>
2924 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
2925 * fixinc/fixincl.x: Regenerate.
2926 * fixinc/tests/base/testing.h: Add testcase.
2928 2000-07-10 Richard Henderson <rth@cygnus.com>
2930 * config/ia64/ia64.c (got_symbolic_operand): New.
2931 (symbolic_operand, move_operand): Revert 0701 change.
2932 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2933 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
2934 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
2935 split the offset into a 14-bit low part instead of a 13-bit low part.
2936 (load_fptr): Mark the mem as unchanging.
2937 (load_symptr): Use got_symbolic_operand.
2939 2000-07-10 Nick Clifton <nickc@cygnus.com>
2941 * libgcc2.c (next_stack_level): Cast result of computation to
2942 (void **) so that the assignment does not generate a warning.
2944 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
2946 * flags.h : Add new variable flag_single_precision_constant.
2947 * toplev.c (display_help) : Add -fsingle-precision-constant option.
2948 (flag_single_precision_constant): New.
2949 * c-lex.c (yylex): Convert floating point constant to single
2951 * invoke.texi : Add documentation for this new option.
2953 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
2955 * diagnostic.c (output_octal): Second parameter is unsigned.
2956 (output_long_octal): Likewise.
2957 (output_hexadecimal): Likewise.
2958 (output_long_hexadecimal): Likewise.
2959 (output_format): Adjust arguments extraction. Tweak.
2960 (output_verbatim, verbatim): End variable argument list.
2961 (report_diagnostic): Improve documentation.
2963 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
2965 * c-common.h (build_stmt): Declare.
2966 (build_continue_stmt): Likewise.
2967 (build_break_stmt): Likewise.
2968 (build_return_stmt): Likewise.
2970 * c-decl.c (do_case): Rewrite to do what previously done in
2973 * c-semantics.c (build_stmt): Define.
2974 (build_return_stmt): Likewise.
2975 (build_break_stmt): Likewise.
2976 (build_continue_stmt): Likewise.
2977 (build_case_label): Likewise.
2979 * c-parse.in (BREAK): Change to build tree, then generate RTL.
2980 (CONTINUE): Likewise.
2983 (DEFAULT): Likewise.
2985 * c-parse.y: Regenerate.
2986 * c-pasre.c: Likewise.
2988 2000-07-09 Jason Merrill <jason@redhat.com>
2990 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
2992 * tree.h (STRIP_NOPS): Check for error_mark_node.
2993 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
2994 (dwarf2out_*): Remove duplicate declarations.
2996 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
2997 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
2999 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3001 * diagnostic.c (wrap_text): New function.
3002 (maybe_wrap_text): Likewise.
3003 (output_add_string): Use it.
3004 (output_format): Likewise.
3005 (count_error): Use verbatim instead of notice.
3006 (report_error_function): Likewise. Don't use plain fprintf.
3007 (finish_diagnostic): New function.
3008 (output_do_verbatim): Tweak. Commonalize functionalities in
3009 output_verbatim and verbatim.
3010 (output_verbatim): Adjust.
3011 (verbatim): Likewise.
3012 (report_diagnostic): Define.
3014 * diagnostic.h (report_diagnostic): Prototype.
3016 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
3018 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
3020 2000-07-09 Neil Booth <NeilB@earthling.net>
3022 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
3023 IShspace, ISspace: Update.
3025 * cppinit.c: ISTABLE: Update.
3028 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
3029 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
3030 (skip_block_comment, skip_line_comment, parse_string,
3031 lex_line): Use is_vspace rather than IS_NEWLINE.
3032 (skip_whitespace, lex_line): Clean up to use is_nvspace.
3033 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
3035 (lex_next): Unconditionally stop if within a directive.
3036 Treat directives within macro invocations as directives
3037 (after parse_args emits error), not as the argument.
3039 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
3041 * diagnostic.c (diagnostic_args): New macro.
3042 (diagnostic_msg): Likewise.
3043 (output_formatted_integer): Likewise.
3044 (output_state): New data type.
3045 (digit_buffer): Make global.
3046 (output_add_integer): Rename to output_decimal. Squeeze
3048 (output_long_decimal, output_unsigned_decimal,
3049 output_long_unsigned_decimal, output_octal, output_long_octal,
3050 output_hexadecimal, output_long_hexadecimal): New functions.
3051 (output_append_r): New function.
3052 (output_append): Tweak.
3053 (output_flush_on): Rename to output_to_stream.
3054 (output_format): Change prototype. Improve documentation. Handle
3055 more format specifiers.
3056 (build_location_prefix): Rename to context_as_prefix.
3057 (output_notice): Rename to output_do_printf.
3058 (output_printf): Tweak.
3059 (line_wrapper_printf): Likewise.
3060 (vline_wrapper_message_with_location): Adjust call to renamed
3062 (v_message_with_decl): Likewise.
3063 (default_print_error_function): Likewise.
3064 (save_output_state): New function.
3065 (restore_output_state): Likewise.
3066 (output_do_verbatim): Likewise.
3067 (output_verbatim): Define.
3068 (verbatim): Likewise.
3070 * diagnostic.h (printer_fn): Change return type from void to int.
3071 Improve documentation.
3072 (output_add_integer): Rename to output_decimal.
3073 (output_flush_on, output_format): Don't export.
3074 (output_verbatim, verbatim): Declare.
3076 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
3078 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
3079 Check whether c divides op1 exactly if operation is not
3082 2000-07-08 Richard Henderson <rth@cygnus.com>
3084 * final.c (final): Do not abort when reg-stack introduces
3087 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
3089 * cpplib.h (struct cpp_name): Now struct cpp_string.
3090 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
3091 CPP_HEADER_NAME): Change to type S.
3092 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
3093 field, a cpp_hashnode *. All references to val.name updated
3094 to use val.str or val.node as appropriate.
3095 (struct cpp_reader): Add spec_nodes field.
3096 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
3098 * cpphash.h (struct spec_nodes): New.
3099 (enum spell_type): Reorder. Only SPELL_STRING tokens use
3100 val.str. All references to 'spelling > SPELL_NONE' updated to
3103 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
3104 pfile->buffer->inc are not NULL before dereferencing them.
3106 * cpplex.c (parse_name): Take a pointer to the current token,
3107 plus current position and limit as args; return the new
3108 position; don't copy the text of a name into the string
3109 buffer, instead call cpp_lookup and store the node pointer.
3110 If extending a token, copy out the text of the old into a
3111 scratch buffer, append the new, look that up and store the new
3112 node pointer. Inline.
3113 (maybe_paste_with_next): If the result of paste is a NAME,
3114 then look up the pasted text and store its node pointer.
3115 (lex_line): Adjust for new parse_name interface.
3116 Check for L"str", L'str' using spec_nodes->n_L.
3117 (spell_token): SPELL_IDENT tokens have their spelling in
3118 val.node->name. Handle SPELL_STRING tokens that don't have
3120 (_cpp_expand_name_space,
3121 (can_paste): Check for L ## "str" using spec_nodes->n_L.
3122 (cpp_get_token, special_symbol): No need to call cpp_lookup.
3123 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
3124 return 1=equal 0=not, not a tristate.
3126 * cpphash.c (var_args_str): Delete.
3127 (find_param): Compare node fields directly.
3128 (is__va_args__): Use CPP_PEDANTIC. Just compare
3129 token->val.node with spec_nodes->n__VA_ARGS__.
3130 (dump_funlike_macro): Don't use var_args_str.
3132 * cpplib.c (_cpp_check_directive): Just walk through
3133 spec_nodes->dirs comparing pointers.
3134 (get_define_node, do_pragma_poison, detect_if_not_defined,
3135 parse_ifdef): The identifier has already been looked up.
3136 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
3138 (do_if): Only call detect_if_not_defined at beginning of file.
3139 (_cpp_parse_assertion): Only copy string pointers for
3140 SPELL_STRING tokens.
3141 (pragma_dispatch): Take a node pointer and examine its name
3143 (_cpp_init_stacks): Also initialize the spec_nodes structure.
3145 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
3147 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
3148 reverse order from the corresponding _cpp_init_* routines.
3150 * cppexp.c (parse_number, parse_charconst, parse_defined,
3151 lex): Check val.node->type instead of calling cpp_defined.
3152 Use spec_nodes entries where appropriate.
3154 * fix-header.c, scan-decls.c: Update for interface changes.
3156 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
3158 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
3159 emitting aux_truncdfsf2.
3161 2000-07-03 Donn Terry (donnte@microsoft.com)
3163 * cppinit.c (print_help): split overlong line into ISO C89
3166 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3168 * cppexp.c: Update all code for new lexer interface.
3169 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
3170 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
3171 * cpplex.c (token_names): Trim leading CPP_ from names; make
3172 the strings unsigned.
3173 (_cpp_spell_operator): New.
3174 (is_macro_disabled): Disable all macros if rescanning
3176 (_cpp_get_directive_token): Remove.
3178 * cppinit.c: Don't set no_macro_expand.
3179 * cpplib.c (read_line_number, do_line): Check only for EOF,
3181 * cpphash.h: Update prototypes.
3182 * cpplib.h (CPP_VSPACE): Remove.
3183 (struct cpp_reader): Remove no_macro_expand.
3185 2000-07-08 Neil Booth <NeilB@earthling.net>
3187 * cpphash.c (is__va_args__): New function.
3188 (count_params): Fix line reported in error messages. Use
3189 is__va_args__. Don't return ')' on error. Flag GNU style
3190 rest args macro definitions.
3191 (parse_define): Check macro name is not __VA_ARGS__.
3192 (save_expansion): Check identifier in non-varargs-macro is
3193 not __VA_ARGS__. Don't flag GNU_VARARGS.
3194 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
3195 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
3196 than per-token GNU_VARARGS.
3197 * cpplib.h (GNU_VARARGS): Remove.
3198 (GNU_REST_ARGS): New.
3200 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3202 * i386.md (call_pop, call, call_value_pop): Do not set
3203 current_function_uses_pic_offset_table for calls to static
3204 functions or indirect calls.
3206 2000-07-07 Jim Wilson <wilson@cygnus.com>
3208 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
3209 is_predicate_reg, then take max write_count of register pair.
3211 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3213 * tradcpp.c (main): Rename label `include' to `add_include' to
3214 avoid conflicts with variable `include' in traditional C.
3216 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3218 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3220 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3222 * sibcall.c (uses_addressof): Add INMEM argument, check for
3223 current_function_internal_arg_pointer outside of MEM rtxs in addition
3225 (sequence_uses_addressof): Update caller.
3227 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3229 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3232 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 * system.h (UNION_INIT_ZERO): New macro for initializing union
3237 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3239 2000-07-07 Neil Booth <NeilB@earthling.net>
3243 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3245 * final.c (final): Detect out of bounds array access to
3246 the insn_lengths array.
3248 2000-07-07 Kazu Hirata <kazu@hxi.com>
3250 * fold-const.c (fold): Fix a comment typo.
3252 2000-07-07 Neil Booth <NeilB@earthling.net>
3254 * cpp.texi: Update to new lexer.
3256 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3258 * tradcpp.c: New file.
3259 * tradcif.y: New file.
3260 * tradcif.c: New generated file.
3262 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3263 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3264 dependencies of C. Install tradcpp from install-common, in
3267 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3269 * cppinit.c: Include cppdefault.h. Refer to
3270 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3271 to GCC_INCLUDE_DIR and its length.
3272 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3273 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3274 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3276 (include_defaults_array): Move to cppdefault.c.
3278 * cppdefault.h: New file.
3279 * cppdefault.c: New file.
3281 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3282 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3283 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3286 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3288 * reload.c (push_reload): When seeing if can reuse a register,
3289 check extra registers against widest of INMODE and OUTMODE.
3291 2000-07-06 Neil Booth <NeilB@earthling.net>
3293 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3294 based on full length of predicate.
3296 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3298 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3299 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3301 2000-07-05 Kazu Hirata <kazu@hxi.com>
3303 * h8300-proto.h: Fix formatting.
3304 * h8300.c: Likewise.
3305 * h8300.h: Likewise.
3307 2000-07-05 Jim Wilson <wilson@cygnus.com>
3309 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3312 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3314 * invoke.texi: Fix minor typos
3315 * md.texi: Fix minor typos
3317 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3319 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3321 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3323 * cpplex.c: Don't include sys/mman.h.
3324 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3326 * cpplib.c: Include sys/mman.h and obstack.h.
3327 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3329 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3330 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3331 bother freeing if stack entries (they will be freed with their buffer).
3332 (do_endif): Free if stack entries from the buffer obstack.
3333 (push_conditional): Allocate if stack entries from the buffer obstack.
3335 (find_answer): Rename to _cpp_find_answer.
3336 (do_assert, do_unassert): Update.
3338 * cpphash.h: Update prototypes.
3339 (xobnew): New convenience macro.
3340 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3342 (struct cpp_hashnode): Remove disabled field.
3344 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3345 (report_missing_guard): Moved to cppfiles.c.
3346 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3348 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3349 cpp_cleanup_includes. Don't destroy hashtab or
3350 all_include_files here.
3351 (cpp_finish): Use _cpp_report_missing_guards.
3353 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3354 (_cpp_init_include_table): Rename _cpp_init_includes.
3355 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3357 * cppexp.c (parse_assertion): Update for new name of
3360 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3362 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3364 * cpplib.c (do_ident): s/VSPACE/EOF/
3366 2000-07-05 Neil Booth <NeilB@earthling.net>
3368 * cpplex.c: Fix trigraph replacement within strings.
3370 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3372 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3374 * xcoffout.c (assign_type_number): Constify.
3375 (xcoffout_source_file): Add static prototype. Don't needlessly
3376 cast away const-ness.
3378 2000-07-04 Jason Merrill <jason@redhat.com>
3380 * frame.h (frame_state): Move base_offset to end.
3382 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3384 * calls.c (emit_library_call_value_1): Revert previous change.
3386 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3388 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3389 (recognized_extern, recognized_function, read_scan_file):
3390 Update for new scheme.
3391 (check_protection): It's still a multiple include guard even
3392 if it doesn't always trigger.
3393 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3395 * scan.h: Declare struct cpp_token. Update prototypes.
3397 2000-07-03 Neil Booth <neilb@earthling.net>
3398 Zack Weinberg <zack@wolery.cumb.org>
3400 Complete overhaul of the lexer and macro expander.
3402 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3403 arg, arglist, argdata, reflist, collect_objlike_expansion,
3404 collect_funlike_expansion, collect_params,
3405 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3406 unsafe_chars, macarg, compare_defs, special_symbol,
3407 scan_arguments, stringify, funlike_macroexpand,
3408 _cpp_quote_string, monthnames): Delete.
3409 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3410 _cpp_create_definition, _cpp_dump_definition,
3411 dump_hash_helper): Adjust.
3412 (find_param, count_params, parse_define, var_args_str,
3413 check_macro_redefinition, save_expansion): New.
3415 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3416 parse_string, output_line_command, trigraph_replace,
3417 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3418 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3419 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3420 _cpp_skip_rest_of_line): Modify.
3422 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3423 find_position, null_warning, bump_column, expand_name_space,
3424 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3425 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3426 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3427 _cpp_prescan): Delete.
3429 (dump_param_spelling, process_directive, lex_next,
3430 is_macro_disabled, stringify_arg, expand_context_stack,
3431 output_token, make_string_token, alloc_number_token,
3432 special_symbol, duplicate_token, maybe_paste_with_next,
3433 can_paste, prevent_macro_expansion, restore_macro_expansion,
3434 get_temp_token, release_temp_tokens, quote_string,
3435 token_names, token_spellings, _cpp_expand_name_space,
3436 _cpp_glue_header_name, _cpp_reserve_name_space,
3437 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
3438 placemarker_token, eof_token, cpp_context, macro_args,
3439 get_raw_token, parse_arg, parse_args, save_token,
3440 push_arg_context, push_macro_context, pop_context,
3441 do_pop_context, free_macro_args, _cpp_get_line,
3442 _cpp_run_directive): New.
3444 * cpplib.c (validate_else, parse_include, push_conditional,
3445 pass_thru_directive, read_line_number, parse_ifdef,
3446 detect_if_not_defined, _cpp_check_directive, do_define,
3447 do_undef, do_include, do_import, do_include_next, do_error,
3448 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
3449 top_pragmas, do_pragma_gcc, do_pragma_implementation,
3450 do_pragma_poison, do_pragma_system_header,
3451 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
3452 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
3453 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
3454 cpp_defined): Update for new scheme.
3455 (strtoul_for_line, get_define_node, dump_macro_name,
3456 _cpp_check_linemarker, _cpp_parse_assertion): New.
3457 (_cpp_handle_directive, do_pragma_default): Delete.
3459 * cpphash.h (struct predicate): Now struct answer.
3460 (enum spell_type, struct token_spelling, struct directive,
3461 directive_handler): New.
3462 Update prototypes. Remove unused macros.
3463 * cpplib.h: Update prototypes. Remove unused macros,
3464 structure definitions, and fields.
3466 * cpperror.c (print_containing_files, v_message): Adjust.
3467 * cppexp.c (parse_assertion, lex, parse_escape,
3468 _cpp_parse_expr): Adjust.
3469 * cppfiles.c (open_include_file, _cpp_execute_include,
3470 _cpp_compare_file_date, cpp_read_file, read_include_file):
3472 * cppinit.c (dump_special_to_buffer): Delete.
3473 (append_include_chain, merge_include_chains, cpp_reader_init,
3474 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
3475 cpp_finish, handle_option, print_help): Adjust.
3476 * cppmain.c (main): Adjust.
3478 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3480 * cppspec.c (lang_specific_driver): Use double quotes in error
3483 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3485 * calls.c (emit_library_call_value_1): Use valreg instead
3486 of hard_libcall_value.
3488 2000-07-03 Geoff Keating <geoffk@cygnus.com>
3490 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
3491 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
3492 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
3500 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
3501 mode instead of wider_mode is being used.
3503 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3505 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
3506 of 'r'. Use q_regs_operand.
3507 (andsi_1+2): Use q_regs_operand.
3509 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3511 * builtins.c (get_memory_rtx): Always put into alias set 0.
3513 2000-07-03 Nick Clifton <nickc@cygnus.com>
3515 * config/arm/arm.md: Fix post increment and pre increment
3516 peepholes so that they do not generate UNPREDICATBLE opcodes.
3517 (ie ones where the increment clobbers the source/destination).
3519 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
3521 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
3522 change too big for -mtiny-stack" a warning, if larger than 63.
3523 (out_set_stack_ptr): Change the logic so -mno-interrupts is
3524 always safe to use on possible future devices.
3525 (function_prologue): Write SPH before SPL, for consistency.
3526 If interrupt_func_p true, we know we have enabled interrupts.
3527 (avr_num_arg_regs): New function. Round up to even number of
3528 bytes if no -mpack-args or if calling a libgcc function.
3529 (function_arg, function_arg_advance): Use it.
3530 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
3531 Output "movw" if available.
3532 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
3533 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
3534 (asm_output_section_name): Add blanks for consistent output.
3535 (encode_section_info): Set TREE_READONLY for progmem data to
3536 avoid gas warnings about changed section attributes.
3537 (avr_hard_regno_mode_ok): Force non-QImode data to start in
3538 even numbered registers on devices with "movw".
3539 * config/avr/avr.h (MASK_*): Define bits for target_flags.
3540 (TARGET_SWITCHES): Mark help strings for translation.
3541 Add new -mpack-args and -menhanced switches.
3542 (TARGET_OPTIONS): Mark help strings for translation.
3543 (progmem_section): Add section attributes.
3544 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
3545 Output "movw" if available.
3546 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
3548 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
3549 call convention (arguments aligned on even registers).
3550 (_cleanup, _exit): Make weak symbols libc can override.
3552 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3554 * fp-bit.h: New file.
3556 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
3557 Comment #endif statements.
3558 (__thenan_sf, __thenan_df): Add missing braces around initializer.
3560 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
3562 * gcse.c (compute_pre_data): Compute ae_kill using other local
3563 properties instead of calling compute_ae_kill.
3565 * alias.c (init_alias_analysis): Do not call
3566 prologue_epilogue_contains until after reload has completed.
3568 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
3570 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
3571 (genrtl_finish_compound_stmt): Likewise.
3572 (genrtl_compound_stmt): Change to return void.
3574 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
3575 move code from here to ...
3576 (genrtl_compound_stmt): ... here.
3577 (genrtl_finish_compound_stmt): Remove.
3578 (expand_stmt): Add comment.
3580 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
3582 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
3585 2000-07-02 Jakub Jelinek <jakub@redhat.com>
3587 * cpplib.h (struct cpp_reader): New field include_depth.
3588 (struct cpp_printer): Rename last_bsd to last_id.
3589 * cppfiles.c (read_include_file): Bump include_depth.
3590 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
3591 (output_line_command): Output correct #line if a header
3592 is including itself and is not protected against multiple inclusion.
3593 Use include_depth instead of buffer_stack_depth, last_id instead of
3595 * cppinit.c (cpp_start_read): Initialize last_id instead of
3598 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
3600 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
3601 (c-semantics.o): New target.
3603 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
3604 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
3605 (genrtl_clear_out_block): Likewise.
3606 (genrtl_goto_stmt): Likewise.
3607 (genrtl_expr_stmt): Likewise.
3608 (genrtl_decl_stmt): Likewise.
3609 (genrtl_if_stmt): Likewise.
3610 (genrtl_while_stmt): Likewise.
3611 (genrtl_do_stmt): Likewise.
3612 (genrtl_return_stmt): Likewise.
3613 (genrtl_for_stmt): Likewise.
3614 (genrtl_break_stmt): Likewise.
3615 (genrtl_continue_stmt): Likewise.
3616 (genrtl_scope_stmt): Likewise.
3617 (genrtl_switch_stmt): Likewise.
3618 (genrtl_case_label): Likewise.
3619 (genrtl_begin_compound_stmt): Likewise.
3620 (gerntl_finish_compound_stmt): Likewise.
3621 (genrtl_compound_stmt): Likewise.
3622 (genrtl_asm_stmt): Likewise.
3623 (genrtl_decl_cleanup): Likewise.
3624 (DECL_ANON_UNION_ELEMS): Likewise.
3625 (emit_local_var): Likewise.
3626 (make_rtl_for_local_static): Likewise.
3627 (expand_cond): Likewise.
3628 (expand_stmt): Likewise.
3629 (c_expand_return): Likewise.
3630 (c_expand_start_case): Likewise.
3631 (do_case): Likewise.
3632 (COMPOUND_STMT_NO_SCOPE): Likewise.
3633 (c_expand_asm_operands): Likewise.
3634 (NEW_FOR_SCOPE_P): New macro.
3635 (expand_expr_stmt_fn): New type.
3637 (set_current_function_name_declared): Likewise.
3638 (current_function_name_declared): Likewise.
3639 (lang_expand_stmt): Likewise.
3640 (stmts_are_full_exprs_p): Likewise.
3641 (anon_aggr_type_p): Likewise.
3642 (lang_expand_expr_stmt): Likewise.
3643 (build_case_label): Likewise.
3645 * c-decl.c (lang_expand_expr_stmt): Initialize.
3646 (stmts_are_full_exprs_p): Define.
3647 (current_function_name_declared): Likewise.
3648 (do_case): Likewise.
3649 (lang_expand_stmt): Likewise.
3650 (set_current_function_name_declared): Likewise.
3651 (anon_aggr_type_p): Likewise.
3653 * c-semantics.c: New file.
3654 (expand_cond): Moved from cp/semantics.c.
3655 (genrtl_do_pushlevel): Likewise.
3656 (genrtl_clear_out_block): Likewise.
3657 (genrtl_goto_stmt): Likewise.
3658 (genrtl_expr_stmt): Likewise.
3659 (genrtl_decl_stmt): Likewise.
3660 (genrtl_if_stmt): Likewise.
3661 (genrtl_while_stmt): Likewise.
3662 (genrtl_do_stmt): Likewise.
3663 (genrtl_return_stmt): Likewise.
3664 (genrtl_for_stmt): Likewise.
3665 (genrtl_break_stmt): Likewise.
3666 (genrtl_continue_stmt): Likewise.
3667 (genrtl_scope_stmt): Likewise.
3668 (genrtl_switch_stmt): Likewise.
3669 (genrtl_case_label): Likewise.
3670 (genrtl_begin_compound_stmt): Likewise.
3671 (genrtl_finish_compound_stmt): Likewise.
3672 (genrtl_compound_stmt): Likewise.
3673 (genrtl_asm_stmt): Likewise.
3674 (genrtl_decl_cleanup): Likewise.
3675 (make_rtl_for_local_static): Moved from cp/decl.c.
3676 (emit_local_var): Likewise.
3677 (expand_stmt): Define.
3679 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
3680 (c_expand_return): Likewise.
3681 (c_expand_start_case): Likewise.
3683 2000-07-01 Richard Henderson <rth@cygnus.com>
3685 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
3686 with the low 13 bits set.
3687 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
3688 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
3689 of the low 13 bits into a CONST plus an adddi3.
3690 (load_symptr): Set RTX_UNCHANGING_P.
3692 See ChangeLog.3 for earlier changes.