1 2000-09-18 Andreas Jaeger <aj@suse.de>
3 * configure.in: Define _GNU_SOURCE only when using the GNU C
5 * configure: Regenerated.
6 * config.in: Regenerated.
8 2000-09-17 Mark Mitchell <mark@codesourcery.com>
10 * cppinit.c (cpp_init): Don't use ANSI prototypes.
11 * flow.c (flow_dump_loop): Likewise.
12 (flow_loops_dump): Likewise.
14 * c-typeck.c (c_start_case): Fix typo.
16 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
18 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
19 to int for plain complex which defaults to complex double. Do
20 warn about defaulting to complex double if pedantic. Warn about
21 complex integer types if pedantic. Warn about complex types if
22 pedantic and not in C99 mode.
23 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
24 for complex conjugation.
26 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
28 * contrib.texi: Update my entry.
30 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
32 * config/avr/avr.md (mcu_enhanced): New attribute.
34 (extendhisi2): Use mcu_enhanced.
35 (zero_extendhisi2): Likewise.
36 (call_insn): Use mcu_enhanced and mcu_mega.
37 (call_value_insn): Likewise.
38 (*sbrx_branch): Use mcu_mega.
39 (*sbrx_and_branchsi): Likewise.
40 (*sbrx_and_branchhi): Likewise.
41 (*tablejump_lib): Likewise.
43 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
45 * alias.c (true_dependence): Allow non-unchanging read to conflict
46 with unchanging write.
48 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
49 (store_constructor): Pass alias_set to it.
51 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
52 TYPE_MAIN_VARIANT of ERROR_MARK.
53 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
55 * simplify-rtx.c (simplify_unary_operation): Add cases
56 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
58 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
60 * expr.h (emit_library_call, emit_library_call_value): Delete
62 * rtl.h (enum libcall_type): New.
63 (emit_library_call, emit_library_call_value): Change fn_type arg to
64 be of type enum libcall_type.
65 * calls.c: Likewise for the function definitions. Several callers
66 throughout changed to use the new enumeration appropriately.
67 (emit_library_call_value_1): Likewise. Put back code to make libcall
68 blocks of equal form, but only use it for the two new higher
71 2000-09-16 Mark Mitchell <mark@codesourcery.com>
73 Convert the C front-end to use function-at-a-time mode.
74 * c-common.h: Include splay-tree.h.
75 (C_DECLARED_LABEL_FLAG): New macro.
76 (struct language_function): Add x_scope_stmt_stack and
77 x_function_name_declared_p.
78 (RECHAIN_STMTS): Move definition.
79 (lang_statment_code_p): Likewise.
80 (lang_expand_stmt): Likewise.
81 (lang_expand_decl_stmt): New variable.
82 (lang_expand_function_end): Likewise.
83 (current_scope_stmt_stack): New function.
84 (add_decl_stmt): Likewise.
85 (add_scope_stmt): Likewise.
86 (mark_stmt_tree): Likewise.
87 (struct c_lang_decl): New structure.
88 (DECL_SAVED_TREE): Define.
89 (c_mark_lang_decl): New function.
90 (c_expand_start_cond): Change prototype.
91 (c_finish_then): New function.
92 (c_finish_else): Likewise.
93 (current_function_name_declared): Remove.
94 (set_current_function_name_declared): Likewise.
95 (mark_c_language_function): Declare.
96 (case_compare): Likewise.
97 (c_add_case_label): Likewise.
98 (c_expand_expr): Likewise.
99 (c_safe_from_p): Likewise.
100 * c-common.c (lang_expand_function_end): New variable.
101 (struct if_elt): Add if_stmt.
102 (c_expand_start_cond): Add the if-statement to the statement-tree,
103 rather than generating RTL.
104 (c_finish_then): New function.
105 (c_expand_start_else): Don't generate RTL.
106 (c_finish_else): New function.
107 (c_expand_expr_stmt): Don't generate RTL.
108 (statement_code_p): Add SCOPE_STMT.
109 (case_compare): New function.
110 (c_add_case_label): Likewise.
111 (mark_stmt_tree): Likewise.
112 (c_mark_lang_decl): Likewise.
113 (mark_c_language_function): Likewise.
114 (c_expand_expr): Likewise.
115 (c_safe_from_p): Likewise.
116 * c-decl.c (c_stmt_tree): New variable
117 (c_scope_stmt_stack): Likewise.
118 (c_function_name_declared_p): Likewise.
119 (lang_expand_expr_stmt): Remove.
120 (poplevel): Don't call output_inline_function for nested
122 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
124 (redeclaration_error_message): Change means of computing whether
125 or not a function is nested.
126 (lookup_label): Don't call label_rtx.
127 (init_decl_processing): Add more GC roots.
128 (start_decl): Add DECL_STMTs to the statement-tree, rather than
129 calling rest_of_decl_compilation.
130 (finish_decl): Don't call expand_decl.
131 (store_parm_decls): Begin the statement-tree, but don't generate
133 (finish_function): Tie off the statement-tree. Call c_expand_body
135 (c_expand_body): New function.
136 (push_c_function_context): Save more information.
137 (pop_c_function_contxt): Likewise.
138 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
139 (lang_mark_tree): Mark it.
140 (current_stmt_tree): Adjust.
141 (current_scope_stmt_stack): New function.
143 (set_current_name_declared): Likewise.
144 (c_begin_compound_stmt): Define.
145 (c_expand_decl_stmt): Likewise.
146 * c-lang.c: Include rtl.h and expr.h.
147 (lang_init): Set more language-specific hooks.
148 * c-lex.c: Include expr.h.
149 * c-parse.in: Changes throughout to add statements to the
150 statement-tree, rather than generating RTL after every statement.
151 * c-semantics.c (lang_expand_decl_stmt): Define.
152 (add_decl_stmt): New function.
153 (add_scope_stmt): Likewise.
154 (finish_stmt_tree): Tweak.
155 (genrtl_expr_stmt): Likewise.
156 (genrtl_decl_stmt): Handle local labels, and call
157 lang_expand_decl_stmt if required.
158 (genrtl_for_stmt): Fix line-number handling.
159 (genrtl_case_label): Handle cleanups.
160 (genrtl_asm_stmt): Don't call combine_strings.
161 (genrtl_compound_stmt): Simplify.
162 (expand_stmt): Handle SCOPE_STMTs.
163 * c-tree.h (struct lang_decl): New structure.
164 (C_DECLARED_LABEL_FLAG): Remove.
165 (c_begin_compound_stmt): Declare.
166 (c_expand_decl_stmt): Likewise.
167 (c_expand_start_case): Rename to c_start_case.
168 (c_finish_case): New function.
169 * c-typeck.c (start_init): Tweak setting of
170 constructor_incremental.
171 (c_expand_asm_operands): Tweak error-handling. Add to the
173 (c_expand_return): Add to the statement-tree.
174 (c_expand_start_case): Rename to ...
175 (c_start_case): ... this.
176 (struct c_switch): New type.
177 (switch_stack): New variable.
179 (c_finish_case): New function.
180 * dependence.c: Include expr.h.
181 (enum dependence_type): Change spelling of enumerals.
182 (check_node_dependence): Adjust.
183 * expr.h (lang_safe_from_p): Declare.
184 (safe_from_p): Likewise.
185 * expr.c (lang_safe_from_p): New variable.
186 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
187 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
188 * toplev.c (rest_of_decl_compilation): Robustify.
189 * tree.c (contains_placeholder_p): Likewise.
190 * Makefile.in: Update dependencies.
191 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
192 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
193 (objc_expand_function_end): New function.
194 (finish_method_def): Use it.
195 (init_objc): Initialize more language-specific hooks.
196 * objc/Make-lang.in: Update dependencies.
198 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
200 * configure.in: Define macros that affect features before
201 testing for features. Don't define _XOPEN_SOURCE.
202 * configure: Regenerated.
203 * config.in: Regenerated.
205 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
207 * rtlanal.c (rtx_varies_p): Volatile asms vary.
208 (rtx_unstable_p): Restructure code. Volatile asms
211 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
213 * function.h (no_debugging_symbols): New field.
214 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
215 Initialize no_debugging_symbols.
216 (output_inline_function): Save and restore write_symbols and set from
217 no_debugging_symbols.
218 * toplev.c (rest_of_compilation): Call save_for_inline.
219 * tree.h: Update comment.
221 * stor-layout.c (place_field): Don't do anything if field or
222 its type are ERROR_MARK.
224 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
226 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
227 (read_include_file): Ensure inc->mmaped is initialized.
229 2000-09-16 Richard Henderson <rth@cygnus.com>
231 * cppiles.c (purge_cache): Use PTR not caddr_t.
233 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
235 * gcc.c: In description for %{<S}, say the option removed is -S.
236 * invoke.texi (Spec Files): Ditto.
238 2000-09-16 Andreas Jaeger <aj@suse.de>
240 * configure.in: Always define _GNU_SOURCE to make interfaces
241 visible that were hidden by only defining _GNU_SOURCE.
242 * configure: Regenerated.
244 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
246 * cpplex.c (push_macro_context): Set an argument's level after
247 calling parse_args. We could loop infinitely otherwise.
249 2000-09-15 Tom Tromey <tromey@cygnus.com>
251 * configure, config.in: Rebuilt.
252 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
254 2000-09-15 Greg McGary <greg@mcgary.org>
256 * cppmacro.c (check_trad_stringification): Check token
257 text pointers against limit before dereferencing.
259 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
261 * c-common.c (format_wanted_type): New structure.
262 (check_format_types): New function.
263 (check_format_info): Pass all checking of types of format
264 arguments, including width and precision arguments, to this new
267 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
271 2000-09-15 Jakub Jelinek <jakub@redhat.com>
273 * config/alpha/alpha.c (override_options): ev6 cache latencies
274 from Richard Henderson. Don't allow -mmemory-latency=L0.
276 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
277 (TARGET_OPTIONS): Add tune=.
278 (alpha_tune_string): Declare.
279 * config/alpha/alpha.c (override_options): Add cpu_table.
280 Use alpha_cpu_string first to set both alpha_cpu and target_flags
281 and then alpha_tune_string to set alpha_cpu only.
282 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
283 * config/alpha/elf.h (ASM_FILE_START): Likewise.
284 * config/alpha/osf.h (ASM_FILE_START): Likewise.
285 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
287 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
289 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
291 (ix86_comparison_operator, ix86_cc_mode): Declare
292 * i386.h (CCGC, CCGCO): New modes.
293 (SELECT_CC_MODE): Move offline to ....
294 * i386.c (ix86_cc_mode): .... here; use new modes.
295 (ix86_comparison_operator): New.
296 (fcmov_comparison_operator): Ensure proper mode.
297 (put_condition_mode): More sanity checking.
298 (ix86_match_ccmode): Handle new modes.
299 (ix86_expand_fp_compare): GEU requires CCmode.
300 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
302 * i386.md (cmp?i_ccz_1): Remove
303 (cmp?i_ccno_1): Use ix86_match_ccmode.
304 (cmp?i_minus_1): New.
305 (cmpsi_1): New expander.
306 (cmpqi_ext_1): Use match_ccmode
307 (cmpqi_ext_3): New expander.
308 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
309 (cmpqi_ext_4): Use match_ccmode.
310 (add?i_?): Use match_ccmode.
312 (test?i_ccz_1): Remove
314 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
315 (testqi_ext_0): Use ix86_match_ccmode.
316 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
317 (xorqi_cc_ext_1): New expander.
318 (shift patterns): Use CCGOCmode for all shifts except for sar.
319 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
320 (setcc_3, jcc_3, miv?icc_c): Remove.
322 2000-09-15 Will Cohen <wcohen@redhat.com>
324 * dwarf2out.c (add_const_value_attribute): Changed array into a
325 xmalloced object, so it exists after function exit.
326 (free_AT): Added case for dw_val_class_float to free allocated
329 2000-09-15 Kazu Hirata <kazu@hxi.com>
331 * config/i386/i386.md: Fix a comment typo.
332 * gcc.c: Fix formatting.
334 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
336 * optabs.c (emit_libcall_block): If target is a user variable,
337 copy to a temporary first.
338 * expr.c (convert_move): When generating a libcall, make a libcall
340 * calls.c (emit_library_call_value_1): Don't create a libcall
341 sequence here; our caller will in most cases do it.
343 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
345 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
346 * sh.md (reload_outsf): Generate recognizable patterns for
348 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
349 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
350 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
351 truncdfsf2_i4): Change not to use explicit references to fpul.
352 (floatsisf2_ie): Remove USE of fpscr.
353 (floatsisf2): Change default expansion to match this.
354 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
357 2000-09-15 Richard Henderson <rth@cygnus.com>
359 * expmed.c (store_bit_field): Consider naturally aligned
360 memory for direct reference.
362 2000-09-15 Richard Henderson <rth@cygnus.com>
364 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
365 AND addresses into alias set 0.
366 (alpha_expand_unaligned_store): Likewise.
367 (alpha_expand_unaligned_load_words): Likewise.
368 (alpha_expand_unaligned_store_words): Likewise.
370 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
372 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
373 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
375 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
376 rsize of UNITS_PER_WORD.
378 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
380 * cpplex.c (ON_REST_ARG): Correct the test.
381 (maybe_paste_with_next): Duplicate a token that fail pasting,
382 and clear its PASTE_LEFT flag, so that nested pasting attempts
385 2000-09-14 Richard Henderson <rth@cygnus.com>
387 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
388 * cse.c (rtx_cost): Likewise.
389 * optabls.c (expand_binop): Likewise.
390 (expand_twoval_binop, prepare_cmp_insn): Likewise.
391 * regclass.c (copy_cost): Likewise.
392 * reload1.c (reload_cse_move2add): Likewise.
394 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
396 * c-parse.in (reswords): Add _Complex.
398 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
400 * gcc.1: Delete documentation for -undef preprocessor option.
402 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
404 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
405 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
406 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
407 Remove undefine before config/elfos.h.
408 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
410 2000-09-14 Kazu Hirata <kazu@hxi.com>
412 * invoke.texi (H8/300 Options): Add -ms2600.
413 * config/h8300.c (h8300_init_once): Output an error when -ms2600
415 * config/h8300.h (TARGET_MAC): New.
416 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
417 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
418 machine other than H8/S2600.
419 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
422 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
424 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
425 pseudos that refer to the original pseudos, not only to their
426 equivalent memory locations.
428 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
433 * Makefile.in (LN): Remove duplicate definition.
435 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
438 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
439 on an insn and function_invariant_p returns nonzero for the source,
440 add a REG_EQUAL note.
442 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
444 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
445 conflict with frame_pointer_rtx.
447 2000-09-13 Kazu Hirata <kazu@hxi.com>
449 * loop.c: Fix formatting.
452 2000-09-13 Richard Henderson <rth@cygnus.com>
454 * config/ia64/ia64.md (divsf3): New.
455 (divsf3_internal_lat, divsf3_internal_thr): New.
456 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
457 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
458 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
459 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
460 (nmadddf4_alts, nmadddf4_trunc): New.
461 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
462 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
463 (multf3_truncsf_alts, multf3_truncdf_alts): New.
464 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
465 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
466 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
467 (nmaddtf4_truncdf_alts): New.
468 (recip_approx): Don't predicate.
470 2000-09-13 Richard Henderson <rth@cygnus.com>
472 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
474 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
476 * flags.h (flag_dump_rtl_in_asm): Declare.
477 * toplev.c (flag_dump_rtl_in_asm): Define.
478 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
480 * rtl.h (print_rtx_head): Declare.
481 * print-rtl.c (print_rtx_head): Define.
482 (print_rtx): Print the string pointed to by print_rtx_head
483 at beginning of each dump line.
484 (print_rtl): Likewise.
485 (print_rtl_single): Likewise.
486 * final.c (final_scan_insn): Dump the insn in the assembly
488 * gcc.1: Document -dP option.
489 * invoke.texi (Debugging Options): Likewise.
491 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
493 * md.texi (Machine Constraints): Document the 68HC11 constraints.
494 * install.texi (Configurations): Document the 68HC11&68HC12 port.
495 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
497 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
499 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
500 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
501 (*clrstrqi): Likewise.
502 (xorhi3,xorsi3,absqi2): Likewise.
503 (one_cmplhi2,one_cmplsi2): Likewise.
504 (addsi3): Two stupid constraint alternatives removed.
505 (extendhisi2): Use `movw' for enhanced avr cores.
506 (zero_extendhisi2): Likewise.
508 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
510 * alias.c (find_base_term): Use frame_pointer_rtx
511 when handling an ADDRESSOF.
513 * cse.c (canon_hash): Handle USE of BLKmode memory.
514 (cse_insn): Outgoing arguments for a libcall don't
515 affect any recorded expressions.
517 2000-09-12 Tom Tromey <tromey@cygnus.com>
519 * configure, config.in: Rebuilt.
520 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
522 2000-09-12 Jakub Jelinek <jakub@redhat.com>
524 * c-lex.c (lex_string): Use charwidth to compute bytemask.
525 * expr.c (expand_expr): Don't optimize constant array references
526 initialized with wide string constants.
528 2000-09-13 Michael Hayes <mhayes@cygnus.com>
530 * loop.c (note_set_pseudo_multiple_uses): Correct.
532 2000-09-12 Jim Wilson <wilson@cygnus.com>
534 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
535 else block, and X has side-effects, then fail.
537 2000-09-12 Greg McGary <greg@mcgary.org>
539 * config/mips/mips-protos.h
540 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
541 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
542 (PREDICATE_CODES): Add "trap_cmp_op".
544 (trap_cmp_op, mips_gen_conditional_trap): New functions.
545 * config/mips/mips.md (trap, conditional_trap): New patterns.
547 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
549 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
552 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
554 * builtins.c (built_in_decls): New array.
555 (expand_builtin_fputs): New function.
556 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
558 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
560 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
562 * tree.h (built_in_decls): New array.
564 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
566 * convex.md: Use "+" instead of "=" for outputs wrapped in a
568 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
570 2000-09-12 Kazu Hirata <kazu@hxi.com>
572 * haifa-sched.c: Fix formatting.
574 * genattrtab.c: Fix formatting.
576 * unroll.c: Fix formatting.
578 2000-09-12 Bruce Korb <bkorb@gnu.org>
580 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
582 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
583 * fixinc/fixincl.tpl: make non-exported arrays static scope
584 * fixinc/fixincl.x: regenerate
585 * fixinc/fixlib.h: Use PARAMS, not _P_
586 * fixinc/fixtests.c: make a type for the test proc & use it
587 * fixinc/server.h: Use PARAMS, not _P_
589 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * c-typeck.c (process_init_element): Avoid union init warnings on
592 floating point zero. Don't crash on unions containing structs.
594 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
596 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
597 general_movsrc_operand, and remove CONST_INT from
598 general_movdst_operand.
600 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
602 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
603 if a reference to non-fixed hardreg is seen. Otherwise, count hard
604 regs with a higher cost.
605 (preferrable): Deal with cases where either cost or regcost is
607 (cse_insn): Use MAX_COST rather than 10000. Always initialize
609 (COSTS_N_INSNS): Move definition...
611 (MAX_COST): New macro.
612 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
615 2000-09-11 Mark Mitchell <mark@codesourcery.com>
617 * c-common.h (genrtl_clear_out_block): Remove.
618 * c-semantics.c (genrtl_clear_out_block): Remove.
619 (genrtl_while_stmt): Don't call it.
620 (genrtl_for_stmt): Likewise.
622 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
624 * cppfiles.c: Move all default-#defines to top of file.
625 (open_include_file): Replace by lookup_include_file.
626 (read_with_read, read_file): Merged into read_include_file.
627 (stack_include_file, purge_cache): New functions.
628 (close_cached_fd): Delete.
629 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
630 Cache the in-memory buffer, not the file descriptor.
632 * cpphash.h (struct include_file): Add buffer, st, refcnt,
634 (xcnew): New utility macro.
635 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
636 * cpplib.h (struct cpp_buffer): Remove mapped field.
638 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
640 * cpplex.c (parse_string): Accept backslash space newline as a
642 (lex_line): Likewise.
643 (_cpp_get_token): Remove hard limit on macro nesting.
645 2000-09-12 Philipp Thomas <pthomas@suse.de>
647 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
648 * configure: Rebuilt.
650 2000-09-13 Michael Hayes <mhayes@cygnus.com>
652 * flow.c (split_block): Fix update of registers live at
655 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
657 * i386.md (add?i_3, add?i_5): New.
658 (add?i_4): Rename from add?i_3; Fix compare pattern.
659 (sub?i_3, xor?i_3, ior?i_3): New.
661 * genrecog.c (write_tree): Output code to clear insn_extract cache.
662 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
663 instead of extract_insn and extract_constrain_insn_cache instead of
664 extract_insn and constrain_operands.
665 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
667 (extract_insn): Clear which_alternative.
668 (constrain_operands): Set which_alternative to -1 when failed.
669 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
672 2000-09-11 Matthew Hiller <hiller@redhat.com>
674 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
676 (movstricthi): Likewise.
678 2000-09-12 Michael Hayes <mhayes@cygnus.com>
680 * loop.h (LOOP_IVS): New macro.
681 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
682 (struct loop_ivs): New.
683 (struct loop_info): Add ivs field.
684 (reg_iv_type, reg_iv_info): Delete prototype.
685 (reg_biv_class, loop_iv_list): Likewise.
686 * loop.c (record_biv, find_life_end): Pass loop argument.
687 (reg_iv_type): Remove global array and use
688 field in loop_regs structure within loop_ivs structure.
689 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
690 (first_increment_giv, last_increment_giv): Use entry in
692 (record_initial): Pass ivs pointer.
693 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
695 2000-09-12 Michael Hayes <mhayes@cygnus.com>
697 * loop.h (LOOP_REGS): New macro.
698 (struct loop_regs): New.
699 (struct loop_info): Add regs field.
700 * loop.c (set_in_loop): Remove global array and store
701 in loop_regs structure as part of loop_info structure.
702 (n_times_set, may_not_optimize): Likewise.
703 (reg_single_usage, moved_once): Likewise.
704 (count_one_set): Add regs argument.
705 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
706 (set_pseudo_multiple_uses): Pass regs pointer.
708 2000-09-12 Michael Hayes <mhayes@cygnus.com>
710 * unroll.c (iteration_info): Subsume into loop_iterations.
711 * loop.h (loop_info): New field iv.
713 2000-09-12 Michael Hayes <mhayes@cygnus.com>
715 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
716 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
717 (flow_loops_update): New prototype.
718 (flow_loops_find): Add flags to prototype.
719 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
720 * flow.c (flow_loop_pre_header_scan): New.
721 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
722 (flow_loop_free): Free pre-header root and trace and exit dominators.
723 (flow_loops_find): New argument flags.
724 (flow_loops_update): New function.
725 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
727 2000-09-12 Michael Hayes <mhayes@cygnus.com>
729 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
730 * flow.c (split_block, update_bb_for_insn): New functions.
732 2000-09-11 Richard Henderson <rth@cygnus.com>
734 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
736 2000-09-11 Richard Henderson <rth@cygnus.com>
738 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
739 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
740 (ia64_override_options): Prevent optimizing division for both
741 latency and throughput.
742 (rtx_needs_barrier): Handle frcpa.
743 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
744 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
745 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
746 (TARGET_SWITCHES): Add -minline-divide-min-latency and
747 -minline-divide-max-throughput.
748 (PREDICATE_CODES): Update.
749 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
750 (zero_extendsidi2): Likewise. Fix typo in f case insn.
751 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
752 (extendsftf2): Likewise.
753 (extenddftf2): Likewise.
754 (fix_trunctfdi2_alts): New.
755 (fixuns_trunctfdi2_alts): New.
756 (madd*4): Rename from madd*3.
757 (divsi3, modsi3, udivsi3, umodsi3): New.
758 (divsi3_internal): New.
759 (divdi3, moddi3, udivdi3, umoddi3): New.
760 (divdi3_internal_lat, divdi3_internal_thr): New.
761 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
764 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
766 * print-rtl.c (debug_call_placeholder_verbose): New variable.
767 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
769 * integrate.c (copy_rtx_and_substitute): Don't share
770 LEAF_REG_REMAPpable registers with the inlined function. Don't
771 share the function value with calling sequences.
773 2000-09-11 Jakub Jelinek <jakub@redhat.com>
775 * c-decl.c (do_case): Fix a typo.
777 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
778 to a if the comparison is floating mode and not -ffast-math.
779 * simplify-rtx.c (simplify_ternary_operation): Likewise.
781 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
783 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
784 gen_ic_invalidate_line.
786 2000-09-11 Philip Blundell <pb@futuretv.com>
788 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
790 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
792 * install.texi (LANGUAGES): Update to include new languages.
795 2000-09-11 DJ Delorie <dj@redhat.com>
797 * gcc.c (main): Don't warn about unused -B prefixes
798 (unused_prefix_warnings): remove
800 2000-09-11 Kazu Hirata <kazu@hxi.com>
802 * final.c: Fix formatting.
804 * integrate.c: Fix formatting.
806 2000-09-11 Geoff Keating <geoffk@cygnus.com>
808 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
810 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
812 * reload.c (regno_clobbered_p): Fix thinko in previous change.
814 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
816 * gcc.1: Document 68hc11 specific options.
818 2000-09-10 Geoff Keating <geoffk@cygnus.com>
820 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
821 (TARGET_LONG_DOUBLE_128): Define.
822 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
823 (LONG_DOUBLE_TYPE_SIZE): Redefine.
824 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
825 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
826 of __LONG_DOUBLE_128__.
827 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
829 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
830 (CPP_SYSV_DEFAULT_SPEC): Define.
831 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
832 (INIT_TARGET_OPTABS): Define.
834 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
835 (RS6000_UITRUNC): Likewise.
836 (INIT_TARGET_OPTABS): New macro.
837 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
838 (trunc_defined): Delete.
839 (output_prolog): Don't output .extern definitions for fp->int
840 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
841 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
842 (trunc_defined): Delete.
843 (RS6000_ITRUNC): Moved to aix.h.
844 (RS6000_UITRUNC): Likewise.
845 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
847 (fixuns_truncdfsi2): Delete.
848 (trunc_call): Delete.
849 (trunc_call_rtl): Delete.
851 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
853 * varasm.c (make_decl_rtl): Restore leading star on
854 DECL_ASSEMBLER_NAME set for decls with an asmspec.
856 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
858 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
859 won't give a spurious error for '#pragma pack()'. Simplify
860 control flow for readability. 'reset' action is not necessary.
862 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
864 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
865 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
866 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
867 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
869 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
870 profile.c, sdbout.c, tradcif.y, tree.c:
871 Include defaults.h if not already included.
872 Don't define the above macros.
874 * Makefile.in: Update dependencies.
876 2000-09-10 Mark Mitchell <mark@codesourcery.com>
878 * c-common.h (add_stmt): Change prototype.
879 (RECHAIN_STMTS): New macro.
880 (CASE_LABEL_DECL): Likewise.
881 (genrtl_case_label): Change prototype.
882 (c_expand_start_case): Remove prototype.
883 (build_case_label): Change prototype.
884 (decl_constant_value): Declare.
885 * c-common.c (check_case_value): Handle C++'s extensions to C
887 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
889 * c-parse.in (stmt): Adjust handling of return statements and case
891 * c-semantics.c (add_stmt): Return the new statement.
892 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
893 returned expression. Directly generate RTL, rather than calling
895 (genrtl_switch_stmt): Don't call c_expand_start_case.
896 (build_case_label): Take the LABEL_DECL as input, too.
897 (genrtl_case_label): Just call add_case_node.
898 (expand_stmt): Adjust calls to genrtl_return_stmt and
900 * c-tree.h (c_expand_start_case): Declare.
901 * c-typeck.c (decl_constant_value): Give it external linkage.
902 (c_expand_return): Don't call expand_return or expand_null_return;
903 use genrtl_return_stmt instead.
904 * stmt.c (struct nesting): Remove num_ranges field.
905 (add_case_node): Give it external linkage.
906 (expand_start_case): Don't set num_ranges.
907 (expand_start_case_dummy): Don't clear it.
908 (pushcase): Rely on add_case_node to handle `default' labels.
909 (add_case_node): Handle `default' labels.
910 * tree.c (tree_int_cst_compare): New function.
911 * tree.h (tree_int_cst_compare): Declare.
912 (add_case_node): Likewise.
914 2000-09-10 Richard Henderson <rth@cygnus.com>
916 * c-parse.in: Revert last change.
917 (init_reswords): Do not enter disabled keywords into the ridpointers
918 table, modulo objc weirdness.
919 (_yylex): Return the canonical spelling for a keyword.
921 2000-09-10 Philip Blundell <philb@gnu.org>
923 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
924 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
926 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
928 * alias.c (find_base_term): Handle ADDRESSOF.
929 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
931 2000-09-10 Denis Chertykov <denisc@overta.ru>
933 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
934 outputting templates with many lines.
936 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
938 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
939 to decide whether 64-bit support must be generated.
941 2000-09-10 Richard Henderson <rth@cygnus.com>
943 * c-parse.in (asm patterns): Fix volatile check.
945 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
947 * cppmacro.c (check_trad_stringification): New function.
948 (save_expansion): If -Wtraditional, warn about stringification of
951 2000-09-11 Michael Hayes <mhayes@cygnus.com>
953 * loop.h (struct loop_mem_info): Move from loop.c
954 (struct loop_info): Add fields store_mems, mems, mems_idx,
955 mems_allocated, unknown_address_altered,
956 unknown_constant_address_altered, num_mem_sets, and
957 first_loop_store_insn.
959 * loop.c (loop_store_mems): Replace with field in loop_info struct.
960 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
961 (unknown_address_altered, unknown_constant_address_altered): Likewise.
962 (num_mem_sets): Likewise.
963 (replace_loop_mems, replace_loop_regs): New.
964 (struct loop_replace_args): New.
965 (load_mems): Use replace_loop_mems.
966 (try_copy_prop): Use replace_loop_regs.
967 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
969 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
971 * configure.in: Recognize m6811-elf and m6812-elf.
972 * configure: Regenerate.
974 2000-09-09 Geoff Keating <geoffk@cygnus.com>
976 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
979 2000-09-10 Michael Hayes <mhayes@cygnus.com>
981 * loop.c (struct movables): New.
982 (num_movables): Move into struct movables.
983 (the_movables): Change type to struct movables.
984 (ignore_some_movables): Change struct movable arg to struct movables.
985 (force_movables, combine_movables, regs_match_p): Likewise.
986 (rtx_equal_for_loop_p, move_movables): Likewise.
987 (scan_loop): Change movables to be of type struct movables.
988 Replace last_movable with field in movables structure.
990 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
992 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
993 (init_pragma): Avoid warning if pfile happens to be unused.
994 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
995 define init_pragma to nothing. Always prototype
996 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
998 * c-lex.c (process_directive): Always call dispatch_pragma.
999 Initialize entering_c_header to 0.
1001 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1003 * config/m68hc11/m68hc11.md: New file, machine description for
1005 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1006 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1007 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1008 * config/m68hc11/m68hc11-protos.h: New file.
1009 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1010 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1011 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1012 * config/m68hc11/larith.asm: New file, libgcc routines.
1014 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1016 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1017 (FPBIT_FUNCS): Add _usi_to_sf.
1018 * config/fp-bit.c (usi_to_float): New function.
1019 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1020 (usi_to_float): Add appropriate #define.
1022 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1024 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1026 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1027 * i386.md (attr "type"): Add sse and mmx types.
1028 (attr "memory"): Handle them without a crash.
1029 (movsi_1, movdi_2): Allow MMX regs.
1030 (movdi splits): Don't split moves involving MMX regs.
1031 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1032 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1033 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1034 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1035 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1036 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1037 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1038 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1039 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1040 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1041 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1042 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1043 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1044 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1045 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1046 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1047 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1048 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1049 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1050 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1051 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1052 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1053 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1054 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1055 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1056 mmx_clrdi): New patterns.
1058 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1060 * arm.c: Don't include tm.h directly.
1062 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1064 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1065 testing; simplify subregs of constants and nested subregs.
1067 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1069 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1071 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1073 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1075 * rtl.texi (description of USE): Add note about possible pitfalls
1077 From Richard Henderson:
1078 * reload1.c (choose_reload_regs): Compute need_mode properly.
1080 2000-09-07 Richard Henderson <rth@cygnus.com>
1082 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1083 (__modsi3, __umodsi3): Likewise.
1084 (__udivsi3): Likewise. Normalize the TFmode values.
1086 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1088 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1090 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1093 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1095 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1096 (cmpeqdi_t): Add output pattern.
1097 (cmpeqdi_t+1): Don't split when not optimizing.
1098 Restore proper splitting operation.
1100 2000-09-07 Richard Henderson <rth@cygnus.com>
1102 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1103 do not call dispatch_pragma.
1105 2000-09-07 Jim Wilson <wilson@cygnus.com>
1107 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1108 to CLASS_CANNOT_CHANGE_MODE.
1109 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1110 mode classes are different.
1112 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1114 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1115 left out of commit which removed cppulp.c.
1117 2000-09-07 Richard Henderson <rth@cygnus.com>
1119 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1120 after switch for CASE_DROPS_THROUGH.
1122 2000-09-07 Richard Henderson <rth@cygnus.com>
1124 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1125 Properly extend the biv initial value for the giv.
1126 (record_biv): Zero ext_dependant.
1127 (record_giv): New argument ext_val. Update all callers.
1128 (general_induction_var): Likewise.
1129 (consec_sets_giv): Likewise.
1130 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1131 a sign-extend, zero-extend, or truncate.
1132 (combine_givs_p): Make sure modes are compatible.
1133 (check_ext_dependant_givs): New.
1134 (extend_value_for_giv): New.
1135 * loop.h (struct induction): Add ext_dependant.
1136 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1137 (find_splittable_givs): Likewise.
1138 (final_giv_value): Likewise.
1140 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1142 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1143 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1144 definitions from cpplib.h.
1145 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1147 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1148 documentation for REGISTER_TARGET_PRAGMAS.
1150 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1151 default-pragma callback to implement -Wunknown-pragmas if
1153 * c-parse.in: Move all includes to top of file.
1154 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1156 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1158 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1160 * arm.h, arm-protos.h, arm.c,
1161 c4x.h, c4x-protos.h, c4x.c,
1162 h8300.h, h8300-protos.h, h8300.c,
1163 i370.h, i370-protos.h, i370.c,
1164 i960.h, i960-protos.h, i960.c,
1165 sh.h, sh-protos.h, sh.c,
1166 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1167 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1169 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1170 multiple include guard.
1171 * i370.md (untyped_call): Use GEN_CALL.
1172 (umodsi3): Remove unused variable.
1173 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1174 * v850.c (output_move_single, output_move_double): Constify
1176 (print_operand): Constify a char *.
1177 * v850.h (struct small_memory_info): Constify name member.
1179 2000-09-07 Kazu Hirata <kazu@hxi.com>
1181 * config/h8300.h: Fix comment typos.
1182 * config/h8300/h8300.md: Likewise.
1183 * config/h8300/lib1funcs.asm: Likewise.
1185 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1187 * Makefile.in: Remove references to cppulp.{c,o}.
1188 * cppinit.c (initialize_builtins, cpp_start_read,
1189 cpp_handle_option): Update to use cpp_options structure.
1192 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1194 * c-common.c (time_char_table): Allow %#b and %#h.
1196 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1198 * reorg.c (find_end_label): If the basic block reorder pass moves the
1199 return insn to some other place try to locate it again and put our
1200 end_of_function_label there.
1201 * reorg.c (relax_delay_slots): Check if find_end_label created a
1202 new label that invalidates the current optimazation.
1204 2000-09-07 Catherine Moore <clm@redhat.com>
1206 * unroll.c (unroll_loop): Check for unconditional jumps
1207 to loop continuation. Delete if n_iterations is 1.
1208 (ujump_to_loop_cont): New routine.
1210 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1212 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1214 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1215 to handle multiword modes correctly. All callers and the declaration
1218 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1220 * c-common.h (prep_stmt): Declare.
1221 (lang_expand_stmt): Likewise.
1222 * c-decl.c (lang_expand_stmt): Remove.
1223 * c-semantics.c (lang_expand_stmt): Define.
1224 (prep_stmt): New function.
1225 (expand_stmt): Handle common statement types here.
1227 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1229 * configure.in (sh-*-linux*): Added.
1230 * configure: Rebuilt.
1231 * config/sh/t-linux: New file.
1232 * config/sh/sh.h (USERMODE_BIT): Define.
1233 (TARGET_USERMODE): Likewise.
1234 (TARGET_SWITCHES): New switches for the bits above.
1235 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1236 * config/sh/linux.h: New file.
1237 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1238 underscore on linux.
1239 (L_sdivsi3, L_udivsi3): Define for linux.
1240 (L_ic_invalidate): Define.
1241 * invoke.texi (SH Options): Document -musermode.
1243 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1245 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1246 CSE unless generating PIC.
1248 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1251 2000-09-06 H.J. Lu (hjl@gnu.org)
1253 * Makefile.in (clean_s1): Depend on stage_b.
1254 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1255 stage2. They are used for "make compare".
1257 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1259 Move statement-tree facilities from C++ to C front-end.
1260 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1261 (void_zero_node): New macro.
1262 (struct stmt_tree_s): New type.
1263 (stmt_tree): New typedef.
1264 (struct language_function): New type.
1265 (last_tree): New macro.
1266 (last_expr_type): Likewise.
1267 (walk_tree_fn): New typedef.
1268 (current_stmt_tree): New function.
1269 (begin_stmt_tree): Likewise.
1270 (add_stmt): Likewise.
1271 (finish_stmt_tree): Likewise.
1272 (statement_code_p): Likewise.
1273 (lang_statement_code_p): New variable.
1274 (walk_stmt_tree): New function.
1275 (STMT_IS_FULL_EXPR_P): New macro.
1276 * c-common.c (lang_statement_code_p): New variable.
1277 (c_common_nodes_and_builtins): Initialize void_zero_node.
1278 (statement_code_p): New function.
1279 (walk_stmt_tree): Likewise.
1280 * c-decl.c (language_function): Rename to ...
1281 (c_language_function): ... this. Include language_function.
1282 (push_c_function_context): Adjust accordingly.
1283 (pop_c_function_context): Likewise.
1284 (mark_c_function_context): Likewise.
1285 (current_stmt_tree): Define.
1286 * c-semantics.c (begin_stmt_tree): New function.
1287 (add_stmt): Likewise.
1288 (prune_unused_decls): Likewise.
1289 (finish_stmt_tree): Likewise.
1291 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1293 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1295 2000-09-06 Kazu Hirata <kazu@hxi.com>
1297 * calls.c: Fix formatting.
1299 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1301 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1303 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1305 Integrated preprocessor.
1307 * Makefile.in: Remove all references to c-parse.gperf,
1308 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1309 generating c-parse.c. Update dependencies.
1310 * c-parse.gperf, c-gperf.h: Delete.
1312 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1313 yy_lim, or yy_get_token. Don't define get_directive_line if
1315 * c-common.h: Add multiple include guard. Define RID values
1316 for every keyword in C, C++, and Objective C. Put all the
1318 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1319 * c-decl.c (c_decode_option): Handle -lang-objc here.
1320 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1321 (grokdeclarator): Adjust for new RID scheme.
1322 (extract_interface_info): New stub.
1323 * c-lang.c: Don't declare yy_cur or parse_options.
1324 (lang_init_options): Call cpp_init. Don't call
1326 (lang_init): Don't call check_newline if USE_CPPLIB.
1328 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1329 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1330 rendered unnecessary by new architecture. Move routines not
1331 shared with C++ to c-parse.in. Maintain a local idea of the
1332 line number. Handle C++ as well as C.
1333 [USE_CPPLIB]: Declare and register callbacks for #ident and
1334 for entering/leaving files.
1335 (init_c_lex, c_lex): Are now the entry points to this file.
1336 (check_newline): Break out directive handling to
1338 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1340 (readescape, parse_float): Overhaul.
1341 (lex_number, lex_string, lex_charconst): Break out of c_lex
1343 (get_fileinfo, update_header_times, dump_one_header,
1344 dump_time_statistics): New and/or moved here from C++.
1345 Support per-file data needed by C++ and per-header timing
1346 statistics (C++ only, at the moment).
1347 * c-lex.h: Update prototypes. Add multiple include guard.
1348 * c-tree.h (struct lang_identifier): Add rid_code field.
1349 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1351 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1352 reinit_parse_for_function and/or position_after_white_space.
1353 (save_filename, save_lineno): Look ahead before saving.
1354 (label -> identifier ':'): Save file and line before shifting ':'.
1355 (reservedwords): No need to call get_identifier.
1356 (init_parse, finish_parse, yyerror, yylex, yyprint,
1357 make_pointer_declarator): Are now here for C/ObjC.
1358 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1360 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1361 #pragma registry. Provide dummy implementation of that
1362 interface if !USE_CPPLIB.
1363 * c-pragma.h: Update to match.
1365 * flags.h: Add multiple include guard.
1366 (flag_detailed_statistics): Moved here from C++.
1367 * toplev.c: Define flag_detailed_statistics.
1369 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1371 * timevar.def (TV_CPP, TV_LEX): New.
1372 * timevar.h: Add multiple include guard.
1374 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1376 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1377 Initialize cpplib properly. Force lineno to 0 after first
1378 call to check_newline. Don't handle -lang-objc here.
1379 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1381 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1383 * rs6000.md: Correct function unit definitions for cr_logical and
1385 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1386 and use portable method for >=0 and floating point >=. Remove
1387 associated matchers.
1389 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1391 * extend.texi: Mark named return value extension as deprecated.
1393 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1395 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1398 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1400 * toplev.c (display_help): Fix thinko in documentation.
1402 * diagnostic.h (output_buffer::indent_skip): New fields.
1403 (output_indentation): New macro.
1405 * diagnostic.c (output_indent): New function.
1406 (output_set_prefix, clear_diagnostic_info): Use.
1407 (output_emit_prefix): Predict future indentation.
1409 2000-09-06 DJ Delorie <dj@redhat.com>
1411 * Makefile.in (stage_*): add more dependencies to ensure parallel
1412 builds build correctly
1414 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1416 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1417 not bootstrap-lean_f.
1419 2000-09-06 Andreas Schwab <schwab@suse.de>
1421 * mklibgcc.in: Emit rule for libgcc-stage-start.
1422 * Makefile.in (stage1-start, stage2-start, stage3-start,
1423 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1425 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1427 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1428 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1429 (combine_regs): Likewise.
1431 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1432 * cse.c: Include "basic-block.h".
1433 (struct table_elt): New field REGCOST.
1434 (CHEAP_REG): Delete macro.
1435 (COST): Return 0 for REGs.
1436 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1437 (notreg_cost): Return 0 for appropriate SUBREGs.
1438 (COSTS_N_INSNS): Return N * 2.
1439 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1441 (CHEAPER): Use new function preferrable.
1442 (insert): Initialize REGCOST member.
1443 (find_best_addr): Use approx_reg_cost for estimation of register
1445 (cse_insn): Likewise.
1446 * loop.c (iv_add_mult_cost): New function.
1447 (add_cost, shift_cost, mult_cost): Delete variables.
1448 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1449 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1450 Make code that detects autoinc opportunities slightly less optimistic.
1451 (simplify_giv_expr): If expression contains other reg that is also a
1452 giv, only increment benefit if this is the only use of that reg.
1453 (consec_sets_giv): Take that change into account.
1454 (combine_givs): Slightly more verbose output.
1456 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
1457 not the cost of an equivalent shift.
1458 * sh-protos.h (addsubcosts): Declare.
1459 * sh.c (addsubcosts): New function.
1460 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
1461 (RTX_COSTS): Tweak. Use addsubcosts.
1462 (ADDRESS_COST): Return higher cost for reg+reg addressing.
1464 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1466 * config/rs6000/rs6000.c (validate_condition_mode): New function.
1467 (branch_comparison_operator): Call validate_condition_mode to
1468 abort rather than returning 0.
1469 (branch_positive_comparison_operator): New function.
1470 (scc_comparison_operator): Call validate_condition_mode to abort
1471 rather than returning 0.
1472 (ccr_bit): Call validate_condition_mode. Update for
1474 (print_operand): Delete %C modifier. Update %E case
1475 to use EQ bit not SO bit.
1476 (rs6000_reverse_condition): New function.
1477 (rs6000_generate_compare): New function.
1478 (rs6000_emit_sCOND): New function.
1479 (rs6000_emit_cbranch): New function.
1480 (output_cbranch): The length of a long branch insn is
1481 now only 8 bytes. Add validate_condition_mode. Use
1482 rs6000_reverse_condition. Remove cror generation.
1484 * config/rs6000/rs6000.h: Update comments.
1485 (PREDICATE_CODES): Add new predicate. Update codes used
1486 by branch_comparison_operator and scc_comparison_operator.
1487 * config/rs6000/rs6000-protos.h: Add prototypes for
1488 new external functions.
1489 * config/rs6000/rs6000.md: Add new scheduling parameters
1490 for cr_logical instructions. Change length of branch
1492 (bCOND patterns): Call rs6000_emit_cbranch.
1493 (sCOND patterns): Call rs6000_emit_sCOND.
1494 (branch patterns): Change lengths to 4.
1495 (cr logical patterns): New.
1497 2000-09-06 Richard Henderson <rth@cygnus.com>
1499 * config/i386/i386.md (call_pop): Fix test for setting
1500 current_function_uses_pic_offset_table.
1501 (call, call_value_pop, call_value): Likewise.
1503 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1505 * timevar.c (timevar_add): Delete.
1506 (timevar_get): Also count time since the selected timer was
1507 last updated. Do not examine the timevar stack if the
1508 selected timer is standalone.
1510 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1512 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
1514 2000-09-05 Jason Merrill <jason@redhat.com>
1516 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
1517 for 'extern' arrays.
1519 2000-09-05 Richard Henderson <rth@cygnus.com>
1521 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
1522 Eliminate final copy from non-trapping case.
1523 (__divdf3, __divsf3): Likewise.
1525 2000-09-05 Richard Henderson <rth@cygnus.com>
1527 * config/ia64/ia64.md (mulhi3): Fix typo last change.
1528 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
1530 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
1532 * Makefile.in: Restructure bootstrap stages to allow clean
1533 restart after failure.
1535 2000-09-05 Richard Henderson <rth@cygnus.com>
1537 * config/ia64.md (movsi and movdi patterns): Allow moves from
1538 8-bit constants to AR registers.
1540 2000-09-05 Richard Henderson <rth@cygnus.com>
1542 * config/ia64/ia64.md (mulhi3): New.
1544 2000-09-05 Richard Henderson <rth@cygnus.com>
1546 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
1547 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
1548 Optimization Guide, minimum latency alternative.
1549 (__moddi3, __udivdi3, __umoddi3): Likewise.
1550 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
1552 2000-09-05 Bruce Korb <bkorb@gnu.org>
1554 * fixinc/fixincl.c (load_file): always read header files
1555 with sizes that are a multiple of the page size.
1556 & use libiberty's getpagesize for determining that.
1558 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
1560 * gcse.c (hash_string_1): Add prototype.
1561 * cse.c (canon_hash_string): Likewise.
1563 2000-09-04 Craig Newell <CraigN@ieee.org>
1565 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
1567 2000-09-04 Andreas Schwab <schwab@suse.de>
1569 * Makefile.in (STAGESTUFF): Remove libgcc.
1570 (stage1-start, stage2-start, stage3-start): Copy the contents of
1571 the libgcc directory explicitly.
1572 (mostlyclean): Clean libgcc.
1574 2000-09-04 Andrew Haley <aph@redhat.com>
1576 * dwarf2out.c: (stack_adjust_offset): New prototype.
1578 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
1580 * combine.c (make_extraction): Fix rtx_cost comparison to
1583 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
1585 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
1586 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
1587 Add '*' to insn pattern name.
1589 2000-09-04 Jakub Jelinek <jakub@redhat.com>
1591 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
1592 use posn - 1 to index into tokens array.
1593 (maybe_paste_with_next): Adjust caller.
1595 2000-09-03 Geoff Keating <geoffk@cygnus.com>
1597 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
1599 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
1600 (REGNO_REG_CLASS): Use symbolic register
1603 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
1605 * arm.c (final_prescan_insn): If the form of a jump insn isn't
1606 recognized, don't try to conditionally execute it.
1608 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
1610 * config/avr/avr.md ("*tablejump_lib"): New pattern.
1611 (call_value_insn): Right length claculation.
1612 (call_insn): Likewise.
1614 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
1616 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
1617 gas_output_limited_string, gas_output_ascii, output_movqi,
1618 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
1619 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
1620 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
1621 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
1622 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
1623 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
1624 Add "const" as needed to remove warnings.
1626 * config/avr/avr.c (avr_override_options, avr_init_once,
1627 function_prologue, function_epilogue, frame_pointer_required_p,
1628 class_likely_spilled_p, order_regs_for_local_alloc,
1629 avr_address_cost, avr_ret_register): Use K&R style arguments.
1630 (initial_elimination_offset, gas_output_limited_string):
1631 Remove ATTRIBUTE_UNUSED from the used arguments.
1632 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
1633 Use local variables src, dest, base to access operands[].
1634 Rename reg_dest to reg_src if that's what it is.
1635 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
1636 constants to LD_REGS if reg_was_0.
1637 (output_reload_insisf): Change arg 3 to insn length and set it.
1638 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
1639 access to 16-bit I/O register pairs.
1640 (avr_address_cost): Lower cost for the above case.
1641 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
1642 may be clobbered, also for LD_REGS.
1643 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
1646 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
1648 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
1649 macro to test_hard_reg_class function.
1650 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
1651 for loading immediate constants to LD_REGS.
1652 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
1655 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
1657 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
1658 * config/avr/libgcc.S: Lost part of the previous patch.
1660 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1662 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
1663 object before calling pthread_mutex_init.
1665 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
1667 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
1668 config/sh/crtn.asm: New files.
1669 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
1670 (crt1.o, crti.o, crtn.o): New targets.
1671 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
1673 * configure: Rebuilt.
1674 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1675 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
1676 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1677 Undefine for config/elfos.h to redefine.
1678 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
1680 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1682 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
1683 legitimize_pic_address, output_pic_addr_const): Declare.
1684 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
1685 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
1686 (TARGET_SWITCHES): New switch -mprefergot.
1687 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
1688 (PIC_OFFSET_TABLE_REGNUM): Define.
1689 (GOT_SYMBOL_TABLE): Likewise.
1690 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
1691 (ENCODE_SECTION_INFO): Define.
1692 (FINALIZE_PIC): New macros.
1693 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
1694 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
1695 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
1696 (prepare_move_operands): Call emit_pic_move or
1697 emit_pic_const_move if appropriate.
1698 (output_far_jump): For PIC, use braf and output long offset.
1699 (machine_dependent_reorg):
1700 (sh_expand_prologue): Save and initialize the PIC register.
1701 (sh_expand_epilogue): Restore it.
1702 (initial_elimination_offset): Account for it.
1703 (nonpic_symbol_mentioned_p): New function.
1704 (legitimize_pic_address): Likewise.
1705 (output_pic_addr_const): Likewise.
1706 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
1707 (call, call_value): Use them.
1708 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
1709 symPLT_label2reg): New expands.
1710 * invoke.texi (SH Options): Document -mprefergot.
1712 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
1714 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
1715 * gcse.c (hash_string_1): New function.
1716 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
1717 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
1718 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
1719 (canon_hash_string): New function.
1720 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
1721 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
1722 (fold_rtx): Use ASM_OPERANDS accessor macros.
1723 * emit-rtl.c (copy_insn_1): Likewise.
1724 * integrate.c (copy_rtx_and_substitute): Likewise.
1725 * stmt.c (expand_asm_operands): Likewise. Give an
1726 ASM_OPERANDS rtx the mode of the output reg being set from it.
1728 2000-09-01 Fred Fish <fnf@be.com>
1730 * fix-header.c (write_rbrac): Add putc and getc to list of
1731 functions to protect against prior definition as a macro.
1733 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
1735 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
1736 (c_size_type_node): Define.
1737 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
1738 * c-common.c (enum format_lengths, enum format_std_version,
1739 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
1740 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
1741 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
1742 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
1743 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
1744 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
1745 format_types): Define.
1746 (format_char_info, print_char_table, scan_char_table,
1747 time_char_table): Rearrange for new organization of information
1748 about format length modifiers and standard versions.
1749 (T_ST): Redefine to use c_size_type_node.
1750 (check_format_info): Obtain information about length modifiers and
1751 standard versions from tables. Adjust warning message wordings.
1752 Use the name from the user's program for `ll' and `hh' length
1753 modifiers in warning messages. Use more informative names for
1754 wanted types where available (for wchar_t, wint_t, size_t, signed
1755 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
1757 2000-09-01 Jim Wilson <wilson@cygnus.com>
1759 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
1760 * combine.c (distribute_notes): Handle REG_NORETURN.
1761 * rtl.c (reg_note_name): Add REG_NORETURN.
1762 * rtl.h (enum reg_note): Likewise.
1764 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
1766 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
1767 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
1768 (emit_predicate_relation_info): Handle conditional calls with
1770 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
1771 instead of ia64_file_start.
1772 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
1773 * config/ia64/ia64.md (safe_across_calls_all,
1774 save_across_calls_normal): New patterns.
1776 * loop.c (check_final_value): Check for biv use before checking for
1777 giv use. Check for both biv and giv uses. Always set last_giv_use
1778 if there is a giv use.
1780 2000-09-01 Richard Henderson <rth@cygnus.com>
1782 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
1783 (madddi3): Likewise.
1786 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1788 * expr.c (clear_storage): Don't use emit_move_insn unless
1789 either BLKmode or proper size.
1790 (store_constructor): Don't call clear_storage if REG of wrong size.
1792 * flow.c (init_propagate_block_info): Don't mark frame dead at end
1793 of function if returns wiht stack pointer depressed.
1795 2000-09-01 Andrew Haley <aph@redhat.com>
1797 * dwarf2out.c (stack_adjust_offset): New function.
1798 (dwarf2out_stack_adjust): Break out stack adjust logic into
1799 new stack_adjust_offset function. Look inside parallels and
1800 sequences for stack adjustments.
1802 2000-08-31 Jeff Law <law@cygnus.com>
1804 * arm.md: Use no_new_pseudos to determine when it is safe
1805 to create new pseudo registers.
1807 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
1808 when we can safely allocate new registers.
1810 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
1812 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
1813 so that CONCATs are not generated for ASMs.
1814 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
1815 not generating_concat_p.
1816 * function.c (pop_function_context_from): Reset
1817 generating_concat_p.
1818 (prepare_function_start): Likewise.
1819 * rtl.c (generating_concat_p): Define.
1820 * rtl.h (generating_concat_p): Declare.
1821 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
1823 2000-08-22 Philipp Thomas <pthomas@suse.de>
1824 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
1826 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
1829 2000-08-30 Greg McGary <greg@mcgary.org>
1831 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
1832 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
1833 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
1835 2000-08-30 Greg McGary <greg@mcgary.org>
1837 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
1838 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
1839 (TREE_INT_CST): New macro.
1840 * varasm.c (const_hash, compare_constant_1, record_constant_1):
1841 Use new macro TREE_INT_CST.
1843 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
1845 * contrib.texi: Add self.
1847 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
1849 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
1850 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
1853 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1855 * fixinc/gnu-regex.c: Don't define `const'.
1857 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1859 * expr.c (store_constructor): Allow variable bounds of array type.
1860 (expand_expr): Don't blow up if type is ERROR_MARK.
1861 * varasm.c (output_constructor): Don't access lower bound of array
1862 type unless need it if index is supplied (so it can be a variable
1863 if no index is supplied).
1864 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
1865 Other minor cleanups.
1867 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1869 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
1870 for compilations in stage 1 and subsequent stages, respectively.
1871 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
1872 * configure: Rebuilt.
1873 * x-vax, x-vax-gcc: Deleted.
1875 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
1877 * c-common.c (declare_function_name): Use func_id_node,
1878 function_id_node, and pretty_function_id_node. Do not make
1879 __func__ visible at file scope.
1880 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
1881 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
1882 (function_id_node, pretty_function_id_node, func_id_node): New
1884 * c-decl.c (init_decl_processing): Initialize function_id_node,
1885 pretty_function_id_node, and func_id_node.
1886 (c_make_fname_decl): Correct comment.
1888 * tree.h (struct tree_identifier): Constify pointer member.
1890 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
1891 * c-pragma.h (struct weak_syms): Constify name and value members.
1892 (add_weak): Constify arguments.
1894 * calls.c (special_function_p): Constify a char *.
1895 (expand_call): Remove variable which is initialized and then
1897 * dependence.c (struct def_use, struct induction, struct subscript):
1898 Constify 'variable' member.
1899 (get_low_bound, have_induction_variable): Constify char * argument.
1900 (find_induction_variable): Add braces to avoid dangling else.
1901 (classify_dependence): Constify char * arrays.
1902 * profile.c (output_func_start_profiler): Constify a char *.
1903 * stor-layout.c (finalize_record_size): Constify a char *.
1904 * tree.c (is_attribute_p): Constify a char *.
1905 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
1907 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
1908 for comprehensibility. Do not call get_identifier if we did
1909 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
1910 create temporary string constants, not ggc_alloc_string. No
1911 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
1912 char * to hold IDENTIFIER_POINTERs.
1914 2000-08-29 Richard Henderson <rth@cygnus.com>
1916 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
1919 2000-08-29 Richard Henderson <rth@cygnus.com>
1921 * reload.c (push_secondary_reload): Allow class == reload_class
1922 if we're using a reload_in/out pattern.
1924 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
1925 the half that does not conflict with the reload register.
1926 (reload_outti): Likewise.
1928 2000-08-29 Kazu Hirata <kazu@hxi.com>
1930 * reload.c: Fix formatting.
1932 * stmt.c: Fix formatting.
1934 * gcc.c: Fix formatting.
1936 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
1938 * flags.h (time_report, mem_report): New global flags.
1939 * toplev.c: Define time_report and mem_report.
1940 (f_options): Add -ftime-report and -fmem-report.
1941 (compile_file): Turn on time_report if quiet_flag is off.
1942 Call ggc_print_statistics at very end if mem_report is on.
1943 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
1945 * ggc-common.c (ggc_print_statistics): Rename to
1946 ggc_print_common_statistics; all callers changed. Scale
1947 quantities above 10K to kilobytes and above 10M to megabytes.
1948 * ggc-page.c (ggc_page_print_statistics): Rename to
1949 ggc_print_statistics. Report memory consumed by internal data
1950 structures for each allocation bucket. Scale quantities above
1951 10K to kilobytes and above 10M to megabytes.
1952 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
1953 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
1954 Define tally_leaves always.
1955 (ggc_print_statistics): New function.
1956 * ggc.h: Adjust for renamed functions.
1958 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
1960 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
1961 output_movsisf instead of which_alternative.
1963 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
1965 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1967 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
1968 (avr_progmem_p): New prototype.
1969 (output_movsisf): Prototype declaration changed.
1970 (output_movqi): New prototype.
1971 (output_movhi): New prototype.
1972 (call_insn_operand): Likewise.
1973 (final_prescan_insn): Likewise.
1974 (avr_simplify_comparision_p): Likewise.
1975 (avr_normalize_condition): Likewise.
1976 (compare_eq_p): Likewise.
1977 (out_shift_with_cnt): Likewise.
1978 (const_int_pow2_p): Likewise.
1979 (output_reload_inhi): Prototype declaration changed.
1981 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
1982 (ldi_reg_rtx): New. rtx for r31.
1983 (avr_init_stack): Initialize as "__stack".
1984 (function_prologue): Use it.
1985 Replace all TARGET_ENHANCED with AVR_ENHANCED.
1986 (avr_mcu_name): Initialize as "avr2".
1987 (avr_enhanced_p, avr_mega_p): New variables.
1988 (mcu_types, avr_override_options): Handle all known MCU types.
1989 Also handle avr1 (only preprocess, assemble and link).
1990 (print_operand): Using of `%K' in output template removed.
1991 (out_movqi_r_mr): Optimized.
1992 (out_movhi_r_mr): Likewise.
1993 (output_movqi): New function.
1994 (output_movhi): Likewise.
1995 (out_movsi_r_mr): Optimized.
1996 (output_movsisf): Compute insn length for `adjust_insn_length'
1997 (out_movqi_mr_r): Optimized.
1998 (out_movhi_mr_r): Optimized.
1999 (adjust_insn_length): Use output_movsisf, output_movqi,
2000 output_movhi for insn length adjusting.
2001 (reg_unused_after): Use dead_or_set_p.
2002 (preferred_reload_class): Now havn't any restriction.
2003 (reg_was_0): New function.
2004 (io_address_p): Likewise.
2005 (const_int_pow2_p): Likewise.
2006 (output_reload_inhi): Likewise.
2007 (output_reload_insisf): Likewise.
2009 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2010 (LIB_SPEC): Use -lc for all supported devices.
2011 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2012 (AVR_MEGA): Define as avr_mega_p.
2013 (AVR_ENHANCED): New, define as avr_enhanced_p.
2014 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2015 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2016 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2017 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2018 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2019 (ASM_SPEC): Pass -mmcu=... to the assembler.
2020 Change all -DAVR_* to -D__AVR_*__.
2021 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2022 Rename library functions to start with two underscores.
2023 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2025 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2026 (SUPPORTS_WEAK): Likewise.
2027 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2028 register for loading constants to r0-r14.
2030 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2032 (*mov_r_sp): Removed. Handled by output_movhi.
2033 (*mov_sp_r): Likewise.
2034 (*mov_sp_r_no_interrupts): Likewise
2035 (*mov_sp_r_tiny): Likewise.
2036 (*movqi): Use output_movqi.
2037 (*reload_inqi): New.
2038 (*movhi): Use output_movhi.
2039 (*reload_inhi): New.
2040 (*negsi2): Optimized.
2041 (*negsf2): Likewise.
2042 Added peepholes (define_peephole2) for loading constants to r0-r14
2043 and for using `cpse' command.
2045 * config/avr/libgcc.S: Rename library functions to start with two
2047 Add support for enhanced core.
2048 (_moqhi3): Fix typo, now _modqi3.
2049 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2050 (__prologue_saves__): Remove test for stack adjust by 0.
2051 (__tablejump__): New.
2053 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2054 Add multilib support.
2056 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2058 * loop.c (prescan_loop): Don't check unknown_address_altered
2059 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2060 to loop_store_mems as necessary.
2061 (loop_invariant_p): Don't check unknown_address_altered
2062 or unknown_constant_address_altered.
2064 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2066 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2068 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2070 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2071 print just the filename.
2072 * cpplex.c (_cpp_run_directive): Add additional argument, the
2073 name to give the synthetic buffer. This defaults to
2074 translated "<command line>".
2075 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2077 (_cpp_define_builtin): New function.
2078 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2079 * cpphash.h: Update prototypes.
2081 * tradcpp.c (main): Process -D and -U simultaneously, in the
2082 order they appeared on the command line.
2084 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2086 * c-decl.c (define_label): Call warning_with_file_and_line and
2087 error_with_file_and_line instead of plain warning or error.
2089 * c-parse.in (label): Use save_filename/save_lineno to ensure
2090 correct values for calls to define_label.
2092 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2094 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2096 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2098 * tree.h (get_file_function_name): Remove two duplicate
2101 2000-08-28 Kazu Hirata <kazu@hxi.com>
2103 * tree.c: Fix formatting.
2105 * xcoffout.c: Fix formatting.
2107 2000-08-28 Jason Merrill <jason@redhat.com>
2109 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2111 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2113 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2114 break_out_includes if it won't do anything.
2116 2000-08-28 Richard Henderson <rth@cygnus.com>
2118 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2119 (find_reloads): Likewise.
2120 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2121 (reload_inhi): Likewise.
2123 2000-08-28 Richard Henderson <rth@cygnus.com>
2125 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2126 (call_insn_operand): Don't expect a surrounding mem.
2127 (constant_call_address_operand): Likewise.
2128 * config/i386/i386.h (PREDICATE_CODES): Update.
2129 * config/i386/i386.md (call patterns): Move the match_operand
2130 for the call destination inside the mem.
2132 2000-08-28 Richard Henderson <rth@cygnus.com>
2134 * local-alloc.c (requires_inout): Don't use reserved range for
2135 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2136 * recog.c (asm_operand_ok): Likewise.
2137 (preprocess_constraints, constrain_operands): Likewise.
2138 * regclass.c (record_reg_classes): Likewise.
2139 * reload.c (find_reloads): Likewise.
2140 * reload1.c (maybe_fix_stack_asms): Likewise.
2141 (reload_cse_simplify_operands): Likewise.
2142 * stmt.c (expand_asm_operands): Likewise.
2144 * md.texi: Update constraints documentation.
2145 * tm.texi (EXTRA_CONSTRAINT): Update.
2147 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2149 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2150 (print_die): If we don't know the offset of the
2151 target die, try the symbol. Add a trailing newline.
2152 (reverse_all_dies): New fn.
2153 (dwarf2out_finish): Call it.
2154 (break_out_includes): Reorganize for clarity.
2155 (add_sibling_attributes): Don't call reverse_die_lists.
2156 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2158 * flags.h: Add flag_eliminate_dwarf2_dups.
2159 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2161 2000-08-28 Jason Merrill <jason@redhat.com>
2163 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2164 * dwarf2out.c: #include "md5.h".
2165 (DIE_LABEL_PREFIX): New macro.
2166 (dw_val_struct): Add 'external' flag to val_die_ref.
2167 (add_AT_die_ref, AT_ref): Adjust.
2168 (AT_ref_external, set_AT_ref_external): New fns.
2169 (build_abbrev_table): Call set_AT_ref_external.
2170 (value_format): Call AT_ref_external.
2171 (die_struct): Add die_symbol field.
2172 (new_die): Clear it.
2173 (dwarf_tag_name): Handle BINCL/EINCL.
2174 (dwarf2out_start_source_file): Add BINCL DIE.
2175 (dwarf2out_end_source_file): Add EINCL DIE.
2176 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2177 (loc_checksum, attr_checksum, die_checksum): New fns.
2178 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2179 (compute_section_prefix, assign_symbol_names): New fns.
2180 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2181 (output_die): Call output_die_symbol and AT_ref_external.
2182 (output_comdat_comp_unit): New fn, split out from...
2183 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2185 (output_pubnames, output_aranges): Abort if we see entries from
2187 * toplev.h: Declare file_name_nondirectory.
2188 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2189 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2190 (debug_start_source_file): Call dwarf2out_start_source_file
2191 regardless of debug verbosity.
2192 (debug_end_source_file): Similarly.
2193 * tree.h: Declare clean_symbol_name.
2194 * tree.c (clean_symbol_name): Split out from...
2195 (get_file_function_name_long): ...here.
2197 * dwarf2out.c (new_loc_descr): Use calloc.
2198 (splice_child_die): Remove the die from the right parent.
2199 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2201 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * toplev.c (decode_g_option): Don't give warning for unknown -g
2204 option; return 0 instead.
2205 (main): If -g option is not recognized by front end or
2206 language-independent code, give warning.
2208 2000-08-28 Greg McGary <greg@mcgary.org>
2210 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2211 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2212 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2214 2000-08-27 Greg McGary <greg@mcgary.org>
2216 * cpplex.c (parse_string): Don't look for backslash
2217 before first char in `namebuf'.
2218 * loop.c (strength_reduce): Skip NOTEs.
2220 2000-08-27 Jason Merrill <jason@redhat.com>
2222 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2223 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2224 TREE_ASM_WRITTEN, either.
2225 (finish_decl): Adjust.
2227 2000-08-28 Philipp Thomas <pthomas@suse.de>
2229 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2230 they have been incorporated into the gettext CVS. Change the text to
2231 reflect the current status of NLS. Add instructions for accessing
2232 the gettext CVS and add the patch from Martin v. Loewis.
2234 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2236 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2237 by using gen_lowpart_common.
2238 (movdi_internal64+6): Likewise.
2240 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2242 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2245 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2246 numbers to the ranges used by GDB.
2248 2000-08-25 Richard Henderson <rth@cygnus.com>
2250 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2251 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2252 (ia64_expand_prologue): Likewise.
2253 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2254 argument for stdargs.
2256 2000-08-25 Jason Merrill <jason@redhat.com>
2258 * integrate.c (expand_inline_function): Pull out the original decl.
2260 2000-08-25 Jim Wilson <wilson@cygnus.com>
2262 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2264 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2266 2000-08-25 Greg McGary <greg@mcgary.org>
2268 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2269 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2271 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2273 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2275 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2277 * i386.c (ix86_find_base_term): New.
2278 * i386-protos.h (ix86_find_base_term): Prototype.
2279 * i386.h (FIND_BASE_TERM): Define.
2280 * alias.c (find_base_term): Use it.
2281 * tm.texi (FIND_BASE_TERM): Document it.
2283 * alias.c (true_dependence, write_dependence_p): Unchanging
2284 memory can't conflict with non-unchanging memory.
2286 * alias.c (memrefs_conflict_p): A BLKmode reference
2287 to a symbol (or CONST_INT address) always conflicts
2288 with a reference to another symbol.
2290 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2292 * c-common.c (time_char_table): Don't allow width and flags with
2295 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2297 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2298 way as LT and LTU when the second operand has 0 in low word.
2300 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2302 * basic-block.h (struct loop): Rename `exits' field to
2303 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2305 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2306 (flow_loop_entry_edges_find): Add.
2307 (flow_edge_list_print): Rename from flow_exits_print.
2308 (flow_loops_find): Call flow_loop_entry_edges_find.
2309 (flow_loop_dump): Dump entry_edges list.
2310 (flow_loops_free): Free entry_edges.
2312 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2314 * loop.c (loop_dump_aux, debug_loop): New functions.
2315 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2317 * flow.c (flow_loops_dump): Add callback parameter.
2318 (flow_loop_dump): Add callback parameter and call it. Move
2319 loop note debugging code to loop_dump_aux.
2321 * basic-block.h (flow_loop_dump): Add callback parameter
2322 (flow_loops_dump): Likewise.
2324 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2325 to call to flow_loops_dump.
2327 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2329 * loop.c (count_loop_regs_set): Replace start and end arguments
2330 with loop argument. All callers udated.
2332 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2334 * loop.c (constant_high_bytes): Delete.
2336 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2338 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2339 and NOTE_INSN_LOOP_VTOP to...
2340 (find_and_verify_loops) ...here.
2342 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2344 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2345 (fini_dummy, init_dummy): Use it.
2347 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2349 * cpplex.c (is_macro_disabled): Caller has already checked
2350 that we're not a preprocessed file.
2352 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2354 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2355 (c-iterate.o): Remove target.
2356 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2357 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2358 (finish_decl): Don't handle iterators.
2359 (grokdeclarator): Likewise.
2360 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2361 * gcc/c-gperf.h: Regenerated.
2362 * gcc/c-iterate.c: Removed.
2363 * gcc/c-lex.c (init_lex): Don't handle iterators.
2364 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2365 (compstmt_primary_start): Remove push_iterator_stack call.
2366 (stmt): Don't allow iterator statements. Replace iterator_expand
2367 with expand_expr_stmt.
2368 (all_iter_stmt): Remove.
2369 (all_iter_stmt_simple): Likewise.
2370 (all_iter_stmt_with_decl): Likewise.
2371 * gcc/c-tree.h (ITERATOR_P): Remove.
2372 (ITERATOR_BOUND_P): Likewise.
2373 (init_iterators): Remove declaration.
2374 (iterator_expand): Likewise.
2375 (iterator_for_loop_start): Likewise.
2376 (iterator_for_loop_end): Likewise.
2377 (iterator_for_loop_record): Likewise.
2378 (push_iterator_stack): Likewise.
2379 (pop_iterator_stack): Likewise.
2380 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2381 (readonly_warning): Likewise.
2382 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2384 2000-08-24 Jim Wilson <wilson@cygnus.com>
2386 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2387 Copy type in a TYPE_DECL, just like pushdecl does.
2389 2000-08-24 Richard Henderson <rth@cygnus.com>
2391 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2393 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2395 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2396 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2397 the extras on the free list.
2398 (release_pages): Clean up.
2399 (ggc_set_mark): Don't adjust G.allocated here...
2400 (sweep_pages): ... do it here.
2402 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2404 * cppfiles.c (read_include_file): Rearrange initializations.
2406 2000-08-24 Richard Henderson <rth@cygnus.com>
2408 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2410 * config/ia64/ia64-protos.h: Update.
2411 * config/ia64/ia64.c (gr_register_operand): New.
2412 (fr_register_operand, grfr_register_operand): New.
2413 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2414 (grfr_reg_or_8bit_operand): New.
2415 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2416 use gr_register_operand.
2417 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2418 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2419 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2420 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2421 (fr_reg_or_fp01_operand): Likewise.
2422 (not_postinc_memory_operand): New.
2423 (ia64_split_timode): Remove unused variables.
2424 (rtx_needs_barrier): Check arguments to cmpxchg.
2425 (builtin_description): Remove.
2426 (bdesc_2argsi, bdesc_2argdi): Remove.
2427 (ia64_init_builtins): Declare all builtins directly.
2428 (ia64_expand_fetch_and_op): Rewrite to be called from
2429 ia64_expand_builtin directly. Use expand_binop and co.
2430 (ia64_expand_op_and_fetch): Likewise.
2431 (ia64_expand_compare_and_swap): Likewise.
2432 (ia64_expand_binop_builtin): Remove.
2433 (ia64_expand_lock_test_and_set): New.
2434 (ia64_expand_lock_release): New.
2435 (ia64_expand_builtin): Use them.
2436 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2437 (EXTRA_CONSTRAINT): Use it.
2438 (PREDICATE_CODES): Update.
2439 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2440 (mf): Indicate that we set memory as well as use it.
2441 (fetchadd_acq_si): Show memory being modified as well.
2442 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2443 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2444 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2445 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2446 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2447 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2448 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2449 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2450 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2451 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2452 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2453 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2454 return type. Pretty print definitions.
2456 2000-08-24 Jim Wilson <wilson@cygnus.com>
2458 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
2459 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
2461 2000-08-24 Jason Merrill <jason@redhat.com>
2463 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
2464 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
2465 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
2466 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
2468 2000-08-24 Greg McGary <greg@mcgary.org>
2470 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
2471 and extendtab within their proper array boundaries.
2472 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
2473 for the entire array.
2475 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
2476 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
2477 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
2478 * config/fr30/fr30.c (fr30_print_operand): Likewise.
2479 * config/i386/dgux.c (output_options): Likewise.
2480 * config/i386/dgux.h (ASM_FILE_START): Likewise.
2481 * config/m88k/m88k.c (output_options): Likewise.
2482 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
2483 * config/mcore/mcore.c (mcore_output_inline_const_forced,
2484 layout_mcore_frame, handle_structs_in_regs): Likewise.
2485 * config/mips/mips.c (output_block_move): Likewise.
2486 * config/rs6000/rs6000.c (rs6000_override_options,
2487 rs6000_file_start): Likewise.
2488 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
2489 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
2490 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
2491 * builtins.c (expand_builtin_setjmp): Likewise.
2492 * expr.c (safe_from_p): Likewise.
2493 * flow.c (life_analysis): Likewise.
2494 * fold-const.c (size_int_type_wide): Likewise.
2495 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
2496 * genattrtab.c (make_length_attrs): Likewise.
2497 * genopinit.c (gen_insn): Likewise.
2498 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
2499 * global.c (global_alloc): Likewise.
2500 * local-alloc.c (find_free_reg): Likewise.
2501 * mips-tdump.c (print_symbol): Likewise.
2502 * mips-tfile.c (parse_def, parse_input): Likewise.
2503 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
2504 * stmt.c (expand_nl_goto_receiver): Likewise.
2505 * stor-layout.c (set_sizetype): Likewise.
2506 * varasm.c (decode_reg_name): Likewise.
2507 * toplev.c (decode_f_option, decode_W_option,
2508 set_target_switch, print_switch_values): Likewise.
2509 (NUM_ELEM): Remove macro.
2510 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
2512 2000-08-24 Greg McGary <greg@mcgary.org>
2514 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
2515 (MAIN_NAME_P, main_identifier_node): New macros.
2516 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
2517 * c-decl.c (start_decl, grokdeclarator, start_function,
2518 store_parm_decls, finish_function): Use MAIN_NAME_P.
2519 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
2520 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
2521 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
2522 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
2524 2000-08-24 Greg McGary <greg@mcgary.org>
2526 * cppfiles.c (actual_directory): Don't write beyond `dir'
2527 when it contains "".
2528 * real.c (asctoeg): Stay within bounds of etens[][].
2530 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2532 * dependence.c (dependence_string, direction_string,
2533 dump_one_node, dump_node_dependence): Hide unused identifiers.
2534 (get_low_bound, normalize_coefficients): Match definition to
2536 (get_one_coefficient): Initialize variables `value0_is_idx' and
2538 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
2539 (ziv_test): Delete variable `idx', use parameter `sub' instead.
2540 (direction_merge): Avoid automatic aggregate initialization.
2541 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
2542 Initialize variables `dest_idx' and `src_idx'.
2543 (end_dependence_analysis): Avoid C89 style function definition.
2545 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
2547 * c-common.c (time_char_table): Don't allow width with %F.
2548 (check_format_info): Don't allow "Z" length with scanf.
2550 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
2552 * diagnostic.c (finish_diagnostic): Define.
2553 (output_do_printf): Use wrap_text instead of output_add_string.
2554 (default_print_error_function): Avoid embedded '\n'.
2556 * diagnostic.h (flush_diagnostic_buffer): Declare.
2558 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
2560 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
2562 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
2564 * Makefile.in (GCC_PASSES): Add specs.
2566 2000-08-23 Jim Wilson <wilson@cygnus.com>
2568 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
2569 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
2570 EHANDLER nor UHANDLER bit is set.
2571 (__get_except_table): Likewise.
2573 2000-08-23 Nick Clifton <nickc@redhat.com>
2575 * config/arm/lib1funcs.asm: Replace upper case condition codes
2576 with lower case versions.
2578 * config/arm/arm.h (STRUCT_VALUE): Define.
2579 (STRUCT_VALUE_REGNUM): Delete.
2581 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
2583 * cpphash.h (IN_I): New flag for directive table.
2584 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
2586 (_cpp_check_directive): If -fpreprocessed, execute directives
2587 marked with IN_I. Issue no warnings in this case.
2588 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
2590 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
2592 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
2594 (check_format_info): Support printf 'I' flag; warn about it with
2597 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
2599 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
2600 barrier can't be ignored by the alias analysis code.
2602 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
2604 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
2605 works inside fixincl.
2607 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
2609 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
2610 simplify_relational_operation() unless both operands are of
2612 * cse.c (fold_rtx): Likewise.
2614 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
2616 * rtlanal.c (rtx_unstable_p): The pic register is stable
2617 (within one function) and the actual rtx should be used
2618 when checking the registers.
2619 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
2621 * alias.c (true_dependence, write_dependence_p): Fix
2622 bug in previous patch.
2624 * i386.c (ix86_GOT_alias_set): New.
2625 (legitimize_pic_address): Use it.
2627 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
2628 only stable if its address is stable.
2629 (rtx_varies_p): An unchanging MEM can't vary if
2630 its address doesn't vary.
2632 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2634 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
2636 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2638 * vax.h (ASM_SPEC): Pass `-J' to assembler.
2639 * x-vax-gcc: New file for bootstrapping with gcc.
2640 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
2641 * configure.in: Use x-vax-gcc with gcc.
2642 * configure: Rebuilt.
2644 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2646 * toplev.c (rest_of_compilation): Rebuild label notes after
2647 post-reload splitting pass if new labels have been created.
2649 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
2651 * diagnostic.h (output_buffer_state): New macro.
2652 * diagnostic.c (diagnostic_for_decl, sorry,
2653 default_print_error_function, output_do_verbatim,
2654 report_diagnostic, report_problematic_module): Use it.
2656 (output_format): Use wrap_text instead of maybe_wrap_text.
2658 2000-08-22 Nick Clifton <nickc@redhat.com>
2660 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
2661 Common code for ARM divide and modulus functions.
2662 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
2664 (FUNC_END): New macro: Common code at the end of the division and
2666 (THUMB_FUNCTION_START): New macro: Common code at the start of
2668 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
2670 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2672 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
2674 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
2675 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
2678 2000-08-22 Nick Clifton <nickc@redhat.com>
2680 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
2681 restorative additions, test for bottom bits of IP being set,
2682 rather than relying upon the RORs not matching.
2685 2000-08-22 David Edelsohn <edelsohn@gnu.org>
2687 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
2688 text_section() as appropriate instead of emitting text csect
2690 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
2691 (UNIQUE_SECTION): Define macro.
2692 (ASM_OUTPUT_SECTION_NAME): Define macro.
2693 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
2694 on AIX if debugging and -fdata-sections always.
2696 2000-08-22 Steven King <sxking@uswest.net>
2698 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
2700 (LDBL_MAX): Same here.
2702 2000-08-22 Richard Henderson <rth@cygnus.com>
2704 * flow.c (tidy_fallthru_edge): Update b->end properly.
2706 2000-08-22 Stan Cox <scox@redhat.com>
2708 * Makefile.in (OBJS): Add dependence.o.
2709 * dependence.c: New file.
2711 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
2713 * calls.c (check_sibcall_argument_overlap_1): Adjust for
2715 (check_sibcall_argument_overlap): Likewise.
2717 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
2719 * invoke.texi (SH Options): Document -m4-nofpu,
2720 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
2721 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
2723 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
2725 * c-common.c (check_format_info): Give the 'some locales' warning
2726 for strftime %Ey rather than the unconditional 'only last 2 digits
2729 2000-08-22 Richard Henderson <rth@cygnus.com>
2731 * alias.c (init_alias_analysis): Do not register
2732 struct_value_incoming_rtx or static_chain_rtx as pointing
2735 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
2737 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
2739 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
2741 * diagnostic.h (report_problematic_module): Declare.
2742 * diagnostic.c (report_problematic_module): New function.
2743 (report_error_function): Tweak.
2745 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2747 * stmt.c (expand_goto_internal, fixup_gotos): Only check
2748 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
2750 2000-08-21 Richard Henderson <rth@cygnus.com>
2752 * flow.c (calculate_global_regs_live): Mark frame pointer live
2753 everywhere before reload.
2755 2000-08-21 Jim Wilson <wilson@cygnus.com>
2757 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
2758 INTEL_EXTENDED_IEEE_FORMAT.
2759 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
2760 clear last two bytes of output FP value.
2762 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
2764 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
2766 2000-08-21 Jakub Jelinek <jakub@redhat.com>
2768 * unroll.c (loop_find_equiv_value): If ret is modified between
2769 insn and loop_start, ret might not be equivalent to reg.
2771 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * c-common.c (init_dollar_format_checking,
2774 maybe_read_dollar_number, finish_dollar_format_checking): New
2776 (dollar_arguments_used, dollar_arguments_count,
2777 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
2779 (check_format_info): Support $ formats for scanf and printf width
2780 and precision. Always increment format_chars to advance past the
2781 '*' of precision, not just when the format parameters are
2784 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2786 * mips.c (block_move_loop, expand_block_move,
2787 function_arg_partial_nregs, save_restore_insns, function_prologue,
2788 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
2790 (function_arg_advance, function_arg): Match argument to format
2793 2000-08-21 Nix <nix@esperi.demon.co.uk>
2795 * gcc.c (do_spec_1): Implement %j spec flag.
2796 Remove dead comment.
2798 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
2799 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
2800 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
2801 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
2803 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
2804 writable) instead of hardcoded value.
2806 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
2808 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
2811 * gcc.c (cc1_options): Do not process -o or run the assembler if
2813 * objc/lang-spec.h: Likewise.
2815 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
2817 * fixinc/fixincl.c (fix_with_system): Pipe the output of
2818 "external" fixes through `cat', to avoid truncating the input
2819 file by redirection.
2821 2000-08-21 Jakub Jelinek <jakub@redhat.com>
2823 * config/i386/i386.md (lea_general_1): Copy insn condition to split
2825 (lea_general_2, lea_general_3): Likewise.
2827 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2829 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
2830 warnings to user code.
2832 * c-lex.c (readescape, yylex): Likewise.
2834 * c-typeck.c (store_init_value, process_init_element): Likewise
2835 (c_expand_start_case): Format.
2837 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
2839 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
2841 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
2842 and linker_endian_spec to endian_spec.
2843 (ENDIAN_SPEC): Add %{EB} and %{EL}.
2844 (LINK_SPEC): Remove %{EB} and %{EL}.
2845 (ASM_SPEC): Likewise. Use %(endian_spec).
2847 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2849 * c-tree.h (flag_hosted): Move declaration from here...
2850 * c-common.h (flag_hosted): ... to here.
2851 (flag_noniso_default_format_attributes): New declaration.
2852 * c-decl.c (flag_noniso_default_format_attributes): New variable.
2853 (c_decode_option): Set it appropriately for options choosing
2854 language standard variant.
2855 * c-common.c (init_function_format_info): Only provide default
2856 format attributes if flag_hosted. Only provide the gettext
2857 formats if flag_noniso_default_format_attributes. Update
2859 (check_format_info): Disable treatment of %a as a scanf flag in
2862 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2864 * c-common.c (scan_char_table): Add 'w' to flags for all formats
2866 (check_format_info): Set 'wide' for scanf format widths. Warn for
2867 a zero scanf width. Make the check for writing into a constant
2868 object at the first level of indirection; at later levels, warn if
2869 any type qualifiers are encountered.
2871 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
2873 * reload.c (reload_inner_reg_of_subreg): New function broken out of
2875 (push_reload): Use reload_inner_reg_of_subreg.
2876 (combine_reloads): Do not combine reloads if the input reload
2877 is a SUBREG in which the inner part will need reloading.
2879 * global.c (global_alloc): Avoid passing dumpfile argument to
2881 * toplev.c (rest_of_compilation): Likewise.
2882 * reload.h (reload): Remove dumpfile argument. Callers changed.
2883 (debug_reload, debug_reload_to_stream): Move prototypes here.
2884 * rtl.h (reload): Remove dumpfile argument.
2885 * reload.c (debug_reload): Remove prototype.
2886 (debug_reload_to_stream): Likewise.
2887 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
2890 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2892 * diagnostic.c (context_as_prefix): Export.
2893 (need_error_newline): Remove.
2894 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
2895 (error_module_changed, record_last_error_module,
2896 error_function_changed, record_last_error_function): New functions.
2897 (initialize_diagnostics): Default intialize
2898 lang_diagnostic_starter, lang_diagnostic_finalizer.
2899 (init_output_buffer): Tweak.
2900 (file_name_as_prefix): New function.
2901 (announce_function, default_print_error_function,
2902 report_error_function, set_diagnostic_context): Tweak.
2904 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
2906 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
2907 condition expression.
2909 2000-08-20 Richard Henderson <rth@cygnus.com>
2911 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
2913 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
2915 * cppinit.c (cpp_init): Set global flag when called.
2916 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
2918 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
2920 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
2921 before `process_directive' so that newlines won't be missed
2923 (cpp_printf): Increment `print->lineno' when newline is emitted.
2925 * cppmain.c (cb_ident): Likewise.
2926 (cb_define): Likewise.
2927 (cb_undef): Likewise.
2928 (cb_include): Likewise.
2929 (cb_def_pragma): Likewise.
2930 (dump_macros_helper): Likewise.
2932 2000-08-20 Richard Henderson <rth@cygnus.com>
2934 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
2935 assigned before a loop.
2937 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
2938 (ashrsi3, lshrsi3): Likewise.
2940 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
2942 * c-lang.c: #include diagnostic.h
2943 (c_tree_printer): New function.
2944 (lang_init): Initialize lang_printer.
2946 * Makefile.in (c-lang.o): Depends on diagnostic.h
2948 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
2950 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
2952 * diagnostic.c (default_diagnostic_starter,
2953 default_diagnostic_finalizer): New functions.
2954 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
2955 (pedwarn, pedwarn_with_file_and_line, error,
2956 error_with_file_and_line, fatal, warning,
2957 warning_with_file_and_line): Adjust call to report_diagnostic.
2958 (report_diagnostic): Rework.
2959 (set_diagnostic_context): New function.
2961 * diagnostic.h (struct diagnostic_context): New data structure.
2962 (diagnostic_message, diagnostic_argument_list,
2963 diagnostic_file_location, diagnostic_line_location,
2964 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
2965 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
2966 (set_diagnostic_context): Declare.
2967 (report_diagnostic): Change prototype.
2969 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
2971 * fix-header.c (main): Initialize cpplib.
2973 2000-08-19 Michael Meissner <meissner@redhat.com>
2975 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
2976 instructions in it before checking for indirect jumps.
2978 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
2979 in a indirect jump as a potential for conditional execution.
2981 * d30v.h (d30v_init_expanders): Don't declare here.
2982 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
2985 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
2987 * cpp.texi: Add @section for assertions.
2989 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
2991 * loop.c (scan_loop): Use CONST_CALL_P instead of
2992 checking for REG_LIBCALL / REG_RETVAL.
2994 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
2996 * reload1.c (reload_as_needed): Accept dumpfile argument,
2997 pass it to emit_reload_insns.
2998 (emit_reload_insns): Add new dumpfile argument. If non-null
2999 then dump the reloads for each insn into the dumpfile.
3000 (reload): Pass dumpfile to reload_as_needed.
3002 * invoke.texi: Clean up linux-gnu vs linux comments.
3004 2000-08-19 Richard Henderson <rth@cygnus.com>
3006 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3007 (ia64_depz_field_mask): New.
3008 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3009 (PREDICATE_CODES): Update.
3010 * config/ia64/ia64.md: Update commentary.
3011 (depz_internal): New.
3012 (ashlsi3): Implement directly.
3013 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3014 (ashldi3): Use shladd.
3015 * config/ia64/ia64-protos.h: Update.
3017 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3019 * toplev.c (independent_decode_option): Always process -g.
3020 Remove third argument, now unused. Adjust caller to match.
3022 2000-08-18 Richard Henderson <rth@cygnus.com>
3024 * combine.c (make_compound_operation): Break after creating
3027 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3029 * cpplib.c (cpp_register_pragma_space): Just return if the
3030 namespace is already registered.
3032 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3034 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3035 constant amount. Do not generate ROTL instruction.
3037 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3039 * config/sh/elf.h: Do not include sh/sh.h.
3040 * config/sh/rtems.h: Likewise.
3041 * config/sh/rtemself.h: Do not include sh/elf.h.
3042 * configure.in: Get them included with `tm_file's.
3043 * configure: Rebuilt.
3045 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3046 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3048 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3050 * stor-layout.c (compute_record_type): Don't use mode of single
3051 field as mode of record if not integer mode of same type.
3053 * regmove.c (perhaps_ends_bb_p): New function.
3054 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3055 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3056 (fixup_match_1): Likewise.
3057 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3058 avoid signed/unsigned warnings.
3060 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3063 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3065 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3066 (_cpp_trigraph_map): Declaration moved from cpplex.c
3068 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3069 instead of 256. Use consistent test for designated initializers.
3070 (cpp_init): Initialize trigraph_map.
3071 (initialize_standard_includes, parse_option): Use memcmp
3074 * cpplex.c (init_trigraph_map): Remove.
3075 (trigraph_ok, trigraph_replace, lex_line): Refer to
3078 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3079 (do_unassert): Remove unused "next" local.
3081 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3083 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3085 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3088 2000-08-17 Richard Henderson <rth@cygnus.com>
3090 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3091 the first insn in a sequence.
3093 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3095 * alias.c (true_dependence, write_dependence_p): A read
3096 involving a label_ref or the constant pool doesn't create
3099 * rtl.h (unchanging): Improve documentation.
3101 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3103 * cse.c (insert_regs): Remove unused `regno'.
3105 2000-08-17 Neil Booth <NeilB@earthling.net>
3107 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3108 remove_dup_dirs. If qtail == brack, remove brack not
3110 (remove_dup_dir, remove_dup_dirs): New functions.
3112 2000-08-17 Neil Booth <NeilB@earthling.net>
3114 * cppinit.c (cpp_cleanup): Free include dir chains.
3115 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3116 (do_unassert): Free the assert with _cpp_free_definition.
3117 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3118 assertions. Make the node a T_VOID node.
3120 2000-08-17 Neil Booth <NeilB@earthling.net>
3122 * cppinit.c (path_include, append_include_chain):
3123 Remove 2nd parameter (struct cpp_pending *).
3124 (path_include, initialize_standard_includes, cpp_handle_option):
3125 Update callers appropriately.
3126 (cpp_handle_option): Use pend.
3128 2000-08-17 Neil Booth <NeilB@earthling.net>
3130 * cppinit.c (sort_options): Remove, put functionality in
3133 (initialize_builtins): Free memory.
3134 (cpp_start_read): Move init_IStable to cpp_init.
3136 * cpplib.h (cpp_init): New prototype.
3137 * cppmain.c (main): Call cpp_init.
3139 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3141 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3142 (rtx_unstable_p, rtx_varies_p): Process vectors.
3144 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3146 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3147 references to GLOBAL symbols. Use LOCAL where appropriate.
3149 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3151 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3152 use t-aix41 when host == target.
3154 2000-08-16 Richard Henderson <rth@cygnus.com>
3156 * reload.c (push_secondary_reload): Revert last change.
3157 If we use a reload_in/out pattern, make the when the same
3158 as the primary reload.
3159 (find_reloads): Likewise.
3161 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3163 * configure.in (libstdcxx-v3): Fix test.
3164 * configure: Regenerate.
3166 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3168 * calls.c (calls_function_1, expand_call): Only test
3169 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3170 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3172 2000-08-16 Richard Henderson <rth@cygnus.com>
3174 * combine.c (simplify_shift_const): Revert previous two
3175 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3176 before the main loop.
3178 2000-08-15 Richard Henderson <rth@cygnus.com>
3180 * combine.c (simplify_shift_const): Bound shift count when
3183 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * calls.c (ECF_SP_DEPRESSED): New macro.
3186 (calls_function_1): Treat calling sp-depressed function as alloca.
3187 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3188 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3189 If sp-depressed, ensure block saves and restores SP.
3190 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3192 * function.c (keep_stack_depressed): New function.
3193 (thread_prologue_and_epilogue_insns): Call it.
3194 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3195 to print DECL_OFFSET_ALIGN.
3196 Print no-force-blk and transparent-union flags properly.
3197 * stmt.c (expand_goto_internal): Don't restore stack if last block
3198 and function returns with sp depressed.
3199 (fixup_gotos): Likewise.
3200 (save_stack_pointer): New function, from code in expand_decl.
3201 (expand_decl): Call new function.
3202 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3203 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3204 (save_stack_pointer): New declaration.
3206 * diagnostic.c (fatal_function): New variable.
3207 (set_fatal_function): New function.
3209 * diagnostic.h (set_fatal_function): New declaration.
3211 2000-08-15 William Cohen <wcohen@redhat.com>
3213 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3214 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3215 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3217 2000-08-15 Richard Henderson <rth@cygnus.com>
3219 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3221 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3223 * arm.c (arm_function_ok_for_sibcall): New function.
3224 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3225 * arm.md (call expanders): Don't check here for calls that can't
3228 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3230 * arm.md (splits generating cond_exec): Disable.
3232 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3234 * arm/linux-elf.h (text_section): Delete declaration.
3236 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3238 ARM support for unordered FP operations.
3239 * arm-protos.h (arm_comparison_operator): Declare.
3240 * arm.c (arm_comparison_operator): New function.
3241 (arm_select_cc_mode): Add unordered comparison codes.
3242 (get_arm_condition_code): Likewise.
3243 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3244 be done in one insn.
3245 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3246 * arm.md (all uses of comparison_operator): Replace with
3247 arm_comparison_operator.
3248 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3250 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3253 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3255 * gthr-posix.h: Conditionally include <sched.h>; include
3256 <config.h> from libobjc/.
3258 2000-08-14 Richard Henderson <rth@cygnus.com>
3260 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3263 2000-08-14 Richard Henderson <rth@cygnus.com>
3265 * configure.in (ia64-*): Set float_format for i386 long double.
3267 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3268 as we would for i386 XFmode.
3269 (PUT_REAL): Likewise.
3270 (endian, ereal_atof, real_value_truncate): Likewise.
3271 (ereal_isneg, toe64, etens, make_nan): Likewise.
3272 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3274 * config/ia64/ia64-protos.h: Update.
3275 * config/ia64/ia64.c (general_tfmode_operand): New.
3276 (destination_tfmode_operand): New.
3277 (tfreg_or_fp01_operand): New.
3278 (ia64_split_timode): New.
3279 (spill_tfmode_operand): New.
3280 (ia64_expand_prologue): Use TFmode not XFmode.
3281 (ia64_expand_epilogue): Likewise.
3282 (ia64_function_arg): Likewise.
3283 (ia64_function_arg_advance): Likewise.
3284 (ia64_return_in_memory): Likewise.
3285 (ia64_function_value): Likewise.
3286 (ia64_print_operand): Likewise.
3287 (ia64_register_move_cost): Set GR<->FR to 5.
3288 (ia64_secondary_reload_class): Get GR for TImode memory op.
3289 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3290 (ROUND_TYPE_ALIGN): Remove.
3291 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3292 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3293 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3294 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3295 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3296 (CLASS_MAX_NREGS): Likewise.
3297 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3298 (PREDICATE_CODES): Update.
3299 * config/ia64/ia64.md (movti): New.
3300 (movti_internal): Use a clobber for memory alternatives.
3301 (reload_inti, reload_outti): New.
3302 (movsfcc_astep): Predicate properly.
3303 (movdfcc_astep): Likewise.
3306 (extendsftf2, extenddftf2): New.
3307 (trunctfsf2, trunctfdf2): New.
3308 (floatditf2, fix_trunctfdi2): New.
3309 (floatunsditf2, fixuns_trunctfdi2): New.
3310 (addtf3, subtf3, multf3, abstf2): New.
3311 (negtf2, nabstf2, mintf3, maxtf3): New.
3312 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3314 (fr_spill): Use TFmode, not XFmode.
3315 (fr_restore): Likewise.
3316 * config/ia64/lib1funcs.asm (__divtf3): New.
3317 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3319 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3321 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3323 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3324 `U' integer constant suffix.
3326 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3329 * sparc/sol2.h (__enable_execute_stack): Prototype.
3331 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3333 * collect2.c: Remove use of AIX import file.
3335 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3337 * rs6000.c (print_operand, case 'E'): Add else.
3339 2000-08-14 Richard Henderson <rth@cygnus.com>
3341 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3342 (movdi_symbolic): New.
3344 2000-08-14 Jim Wilson <wilson@cygnus.com>
3346 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3347 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3348 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3351 2000-08-14 Richard Henderson <rth@cygnus.com>
3353 * expr.c (emit_group_load): Don't force constants into registers.
3354 Special case source already in the correct mode.
3356 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3358 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3359 * fixinc/inclhack.def: Likewise.
3360 * fixinc/mkfixinc.sh: Likewise.
3361 * configure: Regenerate.
3362 * fixinc/fixincl.x: Regenerate.
3363 * install.texi: Document equivalence of linux and linux-gnu.
3365 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3367 * cse.c (insert_regs): Also in REG case: When finding an invalid
3368 value, and we make a new quantity, make sure that it won't be
3369 mistaken by for a valid one by mention_regs.
3371 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3373 * h8300.md: Remove obsolete peepholes.
3375 2000-08-13 Kazu Hirata <kazu@hxi.com>
3377 * invoke.texi (H8/300 Options): Fix typos.
3378 * config/h8300.c: Fix formatting.
3379 * config/h8300.h: Fix comment typos.
3380 (OVERRIDE_OPTIONS): Fix formatting.
3382 * function.c: Fix formatting.
3384 * cse.c: Fix formatting.
3386 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3388 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3389 (attempt_auto_inc): Suppress parentheses warning.
3390 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3391 * loop.c (load_mems): Remove `u' suffix in two places.
3392 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3394 * config/rs6000/rs6000.h: Likewise.
3395 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3396 __eabi dummy routine.
3397 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3400 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3401 not put stuff in .sdata unnecessarily.
3402 (rs6000_unique_section): New function.
3403 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3404 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3406 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3407 arrays in C99. Don't try to look at DECL_REGISTER of a
3408 COMPONENT_REF. Don't complain twice about the same error.
3410 * fixinc/inclhack.def (aix_pthread): New fix.
3411 (aix_sysmachine): New fix.
3412 * fixinc/fixincl.x: Regenerate.
3414 * expr.c (expand_expr): Call convert_modes when turning a large
3415 multiply into a small one.
3417 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3419 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3420 the tree structure an exponent rather than an explicit alignment
3421 so it doesn't overflow.
3422 (SET_DECL_OFFSET_ALIGN): New macro.
3423 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3424 rather than DECL_OFFSET_ALIGN.
3425 (place_field): Likewise.
3426 * expmed.c (store_bit_field): Abort on align==0 to avoid
3427 antisocial machine behaviour.
3429 2000-08-12 Richard Henderson <rth@cygnus.com>
3431 * sibcall.c (uses_addressof): Accept both addressof and
3432 current_function_internal_arg_pointer inside a mem.
3433 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3434 if current_function_uses_addressof.
3435 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3438 2000-08-11 Richard Henderson <rth@cygnus.com>
3440 * config/ia64/ia64.md (addsi3): Remove expander.
3441 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3442 (*addsi3_shladd): New.
3444 2000-08-11 Richard Henderson <rth@cygnus.com>
3446 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3447 (do_restore): Likewise.
3448 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3449 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3450 (rtx_needs_barrier): Track actual bit manipulation for
3451 ar.unat moves, gr_spill, and gr_restore.
3452 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3453 (process_set): Don't handle varargs spills.
3454 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3455 .mem.offset here instead of in process_set.
3456 (gr_restore): Likewise.
3458 2000-08-11 Richard Henderson <rth@cygnus.com>
3460 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
3462 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
3464 * gcc.texi (The Configuration File): Document
3465 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
3466 UPDATE_PATH_HOST_CANONICALIZATION.
3468 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3470 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
3471 unprototyped function pointer casts on integer constants.
3473 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
3475 * fixproto: Recognize DOS paths with drive letters as absolute paths.
3477 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
3479 * extend.texi (Volatiles): Fix typos.
3481 2000-08-11 Kazu Hirata <kazu@hxi.com>
3483 * flow.c: Fix formatting.
3485 2000-08-11 Richard Henderson <rth@cygnus.com>
3487 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
3488 pattern, always allocate a tertiary scratch register.
3490 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
3491 (reload_inhi): Likewise.
3493 2000-08-11 Richard Henderson <rth@cygnus.com>
3495 * function.c (put_reg_into_stack): Allow type to be NULL.
3496 (schedule_fixup_var_refs): Likewise.
3497 (gen_mem_addressof): Allow decl to be NULL.
3498 (put_addressof_into_stack): Likewise.
3500 * flow.c (merge_blocks_nomove): Be more careful about
3501 locating the beginning of block A.
3503 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
3505 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3510 * config.in: Reverted the check for <sched.h>.
3512 2000-08-10 Chris Demetriou <cgd@sibyte.com>
3514 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
3515 macros define the name of CTOR and DTOR sections.
3516 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3517 DTOR_LIST_END): Change to use attributes to specify
3519 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
3520 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3521 DTOR_LIST_END): Same as in mips/elf.h.
3523 2000-08-10 Drew Moseley <dmoseley@redhat.com>
3525 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
3526 disabling just crt0.o.
3528 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
3530 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
3531 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
3532 (EXTRA_SPECS): Add them.
3533 * arm/lib1funcs.asm: Support builds for interworking.
3534 Use macros to eliminate duplicated pieces of code.
3536 2000-08-10 Kazu Hirata <kazu@hxi.com>
3538 * h8300.c (expand_a_rotate): New.
3539 (emit_a_rotate): Likewise.
3540 (h8300_adjust_insn_length): Add support for the rotate insns.
3541 * h8300.md (rotlqi3): New.
3542 (*rotlqi3_1): Likewise.
3543 (rotlhi3): Likewise.
3544 (*rotlhi3_1): Likewise.
3545 (rotlhi3): Likewise.
3546 (*rotlhi3_1): Likewise.
3547 * h8300-proto.h: Add prototypes for expand_a_rotate and
3550 * h8300.c: Fix comment typos.
3551 (dosize): Declare the variable amount as unsigned.
3552 (get_shift_alg): Fix a comparison between signed and unsigned.
3553 (emit_a_shift): Likewise.
3554 (h8300_adjust_insn_length): Simplify the code.
3556 * c-decl.c: Fix formatting.
3558 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
3561 warning about non-traditional numeric constant suffixes.
3563 * cppexp.c (parse_number): Likewise.
3565 * invoke.texi: (-Wtraditional): Document new behavior.
3567 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3569 * gthr-posix.h: Include auto-host.h. Conditionally include
3571 * configure.in: Check for the <sched.h> header file.
3572 * config.in: Added define for HAVE_SCHED_H.
3574 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * c-typeck.c (process_init_element): For -Wtraditional, warn about
3577 initialization of unions.
3579 * invoke.texi (-Wtraditional): Document new behavior.
3581 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
3583 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
3584 instead of extra_c_flags.
3585 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
3586 * configure: Regenerate.
3587 * config.in: Regenerate.
3589 * cpperror.c (cpp_type2name): New function.
3590 * cpplex.c (lex_line): If we issued an error for an invalid
3591 preprocessing directive, discard that logical line.
3592 * cpplib.c (do_line): Call a hook function if the current file
3593 is renamed by #line.
3594 (do_ident): Pass the contents of the string, not the entire
3595 token, to the callback function.
3596 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
3597 (cb.rename_file): New hook function.
3598 (cb.ident): Adjust prototype.
3599 (cpp_type2name): Prototype.
3600 * cppmacro.c (dump_macro_args): Correct precedence lossage.
3602 * cppmain.c (cb_ident): Update for changed interface.
3603 (cb_rename_file): New function.
3604 (main): Set rename callback.
3606 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
3608 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
3609 multi-word registers.
3611 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
3613 * c-common.c (combine_strings, check_format_info): Refer to ISO C
3614 or ISO C89 instead of ANSI C.
3615 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
3616 build_enumerator, do_case): Likewise.
3617 * c-lex.c (parse_float, yylex): Likewise.
3618 * c-parse.in: Likewise.
3619 * c-typeck.c (common_type, build_array_ref, build_binary_op,
3620 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
3621 build_c_cast, convert_for_assignment, set_init_index,
3622 set_init_label, c_expand_start_case): Likewise.
3623 * toplev.c (documented_lang_options, display_help): Likewise.
3625 2000-08-08 Kazu Hirata <kazu@hxi.com>
3627 * h8300.c: Fix formatting.
3628 * h8300.h: Likewise.
3629 * h8300.md: Likewise.
3630 (movsi_h8300hs): Fix formatting of the resulting assembly code.
3632 * reload1.c: Fix formatting.
3634 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
3636 * alpha/alpha.c (alpha_emit_xfloating_libcall):
3637 Use GEN_CALL_VALUE define.
3638 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
3639 * clipper/clipper.md (untyped_call): Likewise.
3640 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
3641 * fx80/fx80.md (untyped_call): Likewise.
3642 * mips/mips.md (untyped_call): Likewise.
3643 * ns32k/ns32k.md (untyped_call): Likewise.
3644 * pa/pa.md (untyped_call): Likewise.
3645 * romp/romp.md (untyped_call): Likewise.
3646 * sparc/sparc.md (untyped_call): Likewise.
3648 2000-08-08 Jason Eckhardt <jle@cygnus.com>
3650 * config/i860/i860.c (singlemove_string): Do not generate assembler
3651 pseudo instructions that must be expanded (that is, with signed
3652 constants larger than 16 bits).
3654 2000-08-08 Richard Henderson <rth@cygnus.com>
3656 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
3657 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
3658 (init_propagate_block_info): Don't kill memory stores at -O0.
3659 (mark_set_1, mark_used_regs): Likewise.
3661 2000-08-08 David Edelsohn <edelsohn@gnu.org>
3663 * rs6000.c (optimization_options): Decorate 'level' as
3665 (mask64_operand): Remove sign-extend thinko.
3666 (rldic_operand): New function.
3667 (load_multiple_operation): regno's are unsigned ints.
3668 (store_multiple_operation): Likewise.
3669 (lmw_operation): Likewise.
3670 (stmw_operation): Likewise.
3671 (includes_lshift_p): shift_mask is unsigned int.
3672 (includes_lshift64_p): New function.
3673 (addrs_ok_for_quad_peep): unsigned int reg1.
3674 (print_operand): Consistently add "else" after
3675 output_operand_lossage().
3676 (print_operand, case 'b'): Fold in case 'W'.
3677 (print_operand, case 'W'): Print rldic MB value.
3678 (output_epilogue): Update Objective-C language string.
3679 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
3680 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
3681 * rs6000.md (ashldi3): Add rldic instruction.
3682 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
3683 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
3686 2000-08-08 Richard Henderson <rth@cygnus.com>
3688 * config/ia64/ia64-protos.h: Remove duplicates. Update
3689 for massive code rearrangements.
3690 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
3691 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
3692 (ia64_local_regs, ia64_need_regstk): Remove.
3693 (ar_ccv_reg_operand): New.
3694 (ia64_gp_save_reg): New.
3695 (struct ia64_frame_info): Combine most of the size elements;
3696 add new gr save elements.
3697 (find_gr_spill): New.
3698 (next_scratch_gr_reg): New.
3699 (mark_reg_gr_used_mask): New.
3700 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
3701 to GR backing store regs when possible.
3702 (ia64_initial_elimination_offset): New.
3703 (ia64_rap_fp_offset): Remove.
3704 (save_restore_insns): Remove.
3705 (setup_spill_pointers): New.
3706 (finish_spill_pointers): New.
3707 (spill_restore_mem): New.
3708 (do_spill, do_restore): New.
3709 (ia64_expand_prologue): Rewrite to use them.
3710 (ia64_expand_epilogue): Likewise.
3711 (ia64_direct_return): Update for current_frame_info changes.
3712 (ia64_function_prologue): Simplify .prologue emission. Emit
3714 (ia64_setup_incoming_varargs): Don't ever emit rtl.
3715 (ia64_dbx_register_number): New.
3716 (ia64_initialize_trampoline): New.
3717 (ia64_secondary_reload_class): Request GR_REGS for integer
3718 arithmetic destined for FR_REGS.
3719 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
3720 (ia64_mark_machine_status): Mark ia64_gp_save.
3721 (rws_access_regno): Rename from rws_access_reg; don't treat
3722 predicates specially.
3723 (rws_access_reg): New. Update all callers.
3724 (rtx_needs_barrier): Remove dead unspecs.
3725 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
3726 (ia64_encode_section_info): Silence signed/unsigned warnings.
3727 (spill_offset, sp_offset, spill_offset_emitted): Remove.
3728 (tmp_reg, tmp_saved): Remove.
3729 (process_set): Rewrite to expect complicated bits via
3730 REG_FRAME_RELATED_EXPR.
3731 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
3732 in the use of ar.ccv; never set RTX_UNCHANGING_P.
3733 (ia64_expand_op_and_fetch): Likewise.
3734 (ia64_expand_compare_and_swap): Likewise.
3735 (ia64_expand_builtin): Likewise.
3736 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
3737 (FIRST_PSEUDO_REGISTER): Update.
3738 (AR_M_REGNO_P): Update.
3739 (FIXED_REGS): Don't mark three local registers as used.
3740 (EXTRA_CC_MODES): New.
3741 (SELECT_CC_MODE): New.
3742 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
3743 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
3744 (FRAME_GROWS_DOWNWARD): Unset.
3745 (STARTING_FRAME_OFFSET): Zero.
3746 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
3747 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
3748 (HARD_FRAME_POINTER_REGNUM): New.
3749 (CAN_DEBUG_WITHOUT_FP): Define.
3750 (TRAMPOLINE_TEMPLATE): Remove.
3751 (TRAMPOLINE_SIZE): Lower to 32.
3752 (TRAMPOLINE_ALIGNMENT): Lower to 64.
3753 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
3754 (PREDICATE_CODES): Update.
3755 (struct machine_function): Add ia64_gp_save.
3756 * config/ia64/ia64.md: Purge unused unspecs.
3757 (movsi patterns): Allow moves to/from AR_M_REGS.
3758 (movdi patterns): Allow moves to/from p0.
3759 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
3760 (gr_spill, gr_restore): Indicate ar.unat read/written.
3761 (nonlocal_goto): Don't pass old frame_pointer.
3762 (nonlocal_goto_receiver): Remove.
3763 (exception_receiver): New.
3764 (builtin_setjmp_setup): New.
3765 (builtin_setjmp_receiver): New.
3766 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
3767 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
3768 (__ia64_restore_stack_nonlocal): Likewise.
3769 (__ia64_trampoline): New.
3770 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
3772 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
3774 2000-08-08 Richard Henderson <rth@cygnus.com>
3776 * frame.h (ia64_frame_state): Add my_psp.
3777 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
3778 (__throw): Pass it in. Don't clobber r7.
3779 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
3780 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
3781 and nothing to do with sp.
3782 (normalize_reg_loc): Use frame->my_psp.
3783 (frame_translate): Handle frame-pointer-less functions. Set
3784 spill_base correctly, in absence of being told.
3785 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
3786 (__ia64_backtrace_helper): New sp argument. Use
3787 builtin_return_address instead of label addresses.
3788 (print_record) [mem_stack_v]: No size member.
3790 2000-08-08 Richard Henderson <rth@cygnus.com>
3792 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
3794 2000-08-08 Richard Henderson <rth@cygnus.com>
3796 * tm.texi (LOCAL_REGNO): Document.
3797 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
3798 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
3799 * reload1.c (reload): Likewise when considering nonlocal labels.
3801 * config/ia64/ia64.h (LOCAL_REGNO): New.
3802 * config/sparc/sparc.h (LOCAL_REGNO): New.
3804 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
3806 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
3808 2000-08-07 Nick Clifton <nickc@redhat.com>
3810 * config/mips/mips.c: Fix compile time warning messages.
3811 * config/mips/mips-protos.h: Add prototype for equality_op.
3813 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
3815 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
3817 * mn10300.md: Use nonimmediate_operand instead of general_operand
3820 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
3822 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
3824 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
3825 * sh.c (expand_block_move): Break long lines.
3826 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
3827 * sh.md (mulsi3): Likewise.
3828 (movdi): Adjust spacing.
3830 2000-08-07 Richard Henderson <rth@cygnus.com>
3832 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
3833 * expr.c (emit_group_store): Don't set it.
3835 2000-08-07 Kazu Hirata <kazu@hxi.com>
3837 * invoke.texi (Options for Debugging Your Program or GCC): Remove
3838 duplicate entries for 'w' and 'z'.
3840 * flow.c: Fix a comment typo.
3842 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3844 * c-parse.in: Changed the language string for Objective-C to "GNU
3847 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3849 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
3850 to improve the Posix thread support for Objective-C.
3852 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
3854 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
3855 CTI_UNSIGNED_PTRDIFF_TYPE.
3856 (signed_size_type_node): Define.
3857 (unsigned_ptrdiff_type_node): Define.
3858 * c-decl.c (init_decl_processing): Create the
3859 signed_size_type_node and unsigned_ptrdiff_type_node types.
3860 * c-common.c (T_SC): Define.
3863 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
3864 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
3866 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
3867 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
3868 flags for %c, %s and %[.
3869 (check_format_info): Only allow leniency for signedness of targets
3870 of character pointers (when pedantic) for formats flagged with
3871 "c", so for strings but not for %hh formats. When pedantic, don't
3872 allow character pointers to substitute for void pointers if a
3873 second level of indirection is present.
3875 2000-08-06 Kazu Hirata <kazu@hxi.com>
3877 * invoke.texi (Options for Debugging Your Program or GCC): Update
3878 the names of dump files.
3880 * h8300.c (dosize): Rearrange code for conciseness.
3881 (split_adds_subs): Likewise.
3883 * loop.c: Fix formatting.
3885 * dwarf2out.c: Fix formatting.
3887 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
3889 * expr.c: Fix formatting.
3891 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * rs6000.c (rs6000_maybe_dead): Prototype.
3895 2000-08-06 Richard Henderson <rth@cygnus.com>
3897 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
3898 HAVE_nonlocal_goto as well.
3899 * config/i960/i960.md (nonlocal_goto): Don't do it here.
3900 * config/pj/pj.md (nonlocal_goto): Likewise.
3902 2000-08-07 Michael Hayes <mhayes@cygnus.com>
3904 * loop.c (try_swap_copy_prop): New function.
3905 (load_mems): Rename copies to load_copies and add new regset
3906 store_copies. Check for sets of shadow registers and mark
3907 in store_copies. Call try_swap_copy_prop for registers
3908 marked in store_copies.
3910 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3912 * objc/objc-act.c: New command line option -fconstant-string-class
3913 to allow specifying a user defined constant string class,
3914 different from NXConstantString.
3916 * toplev.c: Moved the Objective-C specific options to
3917 objc/lang-options.h.
3919 * objc/lang-options.h: Moved the Objective-C specific options from
3920 toplev.c. Added -fconstant-string-class.
3922 2000-08-05 Chris Demetriou <cgd@sibyte.com>
3924 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3925 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
3926 __CTOR_LIST__ from func_ptr array to just func_ptr, to
3927 avoid extra alignment imposed on arrays.
3928 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3929 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
3931 * mips.h: Clean up comments and spacing near MASKs.
3932 (TARGET_UNIX_ASM): Delete.
3933 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
3934 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
3937 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
3939 * c-common.c (print_char_table): Add entries for the X/Open '
3940 format flag (print decimals with locale's thousands grouping
3941 character). Make %C expect wint_t.
3942 (check_format_info): If pedantic, warn when the %n$ operand
3943 number form is used. Allow for the ' flag; warn about it if
3946 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
3948 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
3949 type is a float mode, cfun->decl's return type is not, and
3950 TARGET_FLOAT_RETURNS_IN_80387.
3952 2000-08-04 Andreas Schwab <schwab@suse.de>
3954 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
3955 token list, which are always `#' and `pragma'.
3957 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
3959 * tree.c (tree_expr_nonnegative_p): Move to...
3960 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
3961 (rtl_expr_nonnegative_p): New.
3962 * tree.h: Add prototype for rtl_expr_nonnegative_p.
3964 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
3965 CONST_DOUBLE_CHAIN: Move to...
3966 * rtl.h: ...here. Use XCINT/XCEXP.
3968 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
3969 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
3970 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
3973 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
3975 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3977 * config/c4x/c4x.md (return_indirect_internal): New.
3978 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
3980 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3982 * c-common.c (time_char_table): Mark up formats added in C99 and
3983 make other corrections. %D and %g were added in C99. %Og is an
3984 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
3985 C99. %e was added in C99. %Oj is an extension. %G and %z are in
3986 C99 rather than GNU extensions, but %OG and %Oz are extensions.
3987 %h was added in C99. %C was added in C99. %OY and %OC are
3988 extensions. Add the C99 format %F.
3989 (check_format_info): If pedantic and not in C99 mode, warn for C99
3992 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3994 * function.c (schedule_fixup_var_refs): New function, broken out
3995 of put_reg_into_stack.
3996 (put_reg_into_stack): Use it.
3997 (put_var_into_stack): In CONCAT case, fixup up references for
3998 components only after fixing up references to the whole concat.
4000 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4002 * alias.c (mark_constant_function): Use INSN_P.
4003 (init_alias_analysis): Likewise.
4004 * combine.c (combine_instructions): Use INSN_P.
4005 (can_combine_p): Likewise.
4006 (try_combine): Likewise.
4007 (distribute_notes): Likewise.
4008 (distribute_links): Likewise.
4009 * cse.c (cse_around_loop): Use INSN_P.
4010 (invalidate_skipped_block): Likewise.
4011 (cse_set_around_loop): Likewise.
4012 (cse_end_of_basic_block): Likewise.
4013 (delete_trivially_dead_insns): Likewise.
4014 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4015 (unshare_all_rtl_1): Likewise.
4016 (next_cc0_user): Likewise.
4017 (try_split make_insn_raw): Likewise.
4018 (remove_unnecessary_notes): Likewise.
4019 * final.c (shorten_branches): Use INSN_P.
4020 (leaf_renumber_regs): Likewise.
4021 (leaf_renumber_regs_insn): Likewise.
4022 * flow.c (find_label_refs): Use INSN_P.
4023 (verify_wide_reg): Likewise.
4024 (notice_stack_pointer_modification): Likewise.
4025 (count_or_remove_death_notes): Likewise.
4026 (verify_flow_info): Likewise.
4027 (clear_log_links): Likewise.
4028 * function.c (fixup_var_refs_insns): Use INSN_P.
4029 (compute_insns_for_mem): Likewise.
4030 * gcse.c (alloc_gcse_mem): Use INSN_P.
4031 (compute_sets): Likewise.
4032 (compute_hash_table): Likewise.
4033 (classic_gcse): Likewise.
4035 (insert_insn_end_bb): Likewise.
4036 (delete_null_pointer_checks_1): Likewise.
4037 * global.c (expand_preferences): Use INSN_P.
4038 (build_insn_chain): Likewise.
4039 * graph.c (node_data): Use INSN_P.
4040 * haifa-sched.c (priority): Use INSN_P.
4041 (rm_line_notes): Likewise.
4042 (rm_other_notes): Likewise.
4043 (find_insn_reg_weight): Likewise.
4044 (init_target_units): Likewise.
4045 (schedule_block): Likewise.
4046 (compute_block_forward_dependences): Likewise.
4047 (debug_dependencies): Likewise.
4048 (set_priorities): Likewise.
4049 * integrate.c (function_cannot_inline_p): Use INSN_P.
4050 (save_parm_insns): Likewise.
4051 (copy_insn_list): Likewise.
4052 * jump.c (mark_all_labels): Use INSN_P.
4053 (never_reached_warning): Likewise.
4054 * lcm.c (optimize_mode_switching): Use INSN_P.
4055 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4056 (memref_used_between_p): Likewise.
4057 (update_equiv_regs): Likewise.
4058 (block_alloc): Likewise.
4059 (no_conflict_p): Likewise.
4060 * loop.c (scan_loop): Use INSN_P.
4061 (find_and_verify_loops): Likewise.
4062 (count_loop_regs_set): Likewise.
4063 (loop_reg_used_before_p): Likewise.
4064 (strength_reduce): Likewise.
4065 (recombine_givs): Likewise.
4066 (check_dbra_loop): Likewise.
4067 (load_mems): Likewise.
4068 (try_copy_prop): Likewise.
4069 * print-rtl.c (print_rtx): Use INSN_P.
4070 * recog.c (find_single_use): Use INSN_P.
4071 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4072 (next_flags_user): Likewise.
4073 (swap_rtx_condition): Likewise.
4074 * regmove.c (mark_flags_life_zones): Use INSN_P.
4075 (optimize_reg_copy_1): Likewise.
4076 (optimize_reg_copy_2): Likewise.
4077 (optimize_reg_copy_3): Likewise.
4078 (reg_is_remote_constant_p): Likewise.
4079 (fixup_match_2): Likewise.
4080 (regmove_optimize): Likewise.
4081 (fixup_match_1): Likewise.
4082 * regrename.c (build_def_use): Use INSN_P.
4083 (replace_reg_in_block): Likewise.
4084 (consider_use): Likewise.
4085 * reload.c (find_equiv_reg): Use INSN_P.
4086 * reload1.c (reload): Use INSN_P.
4087 (maybe_fix_stack_asms): Likewise.
4088 (calculate_needs_all_insns): Likewise.
4089 (reload_as_needed): Likewise.
4090 (emit_output_reload_insns): Likewise.
4091 (delete_address_reloads_1): Likewise.
4092 (reload_cse_regs_1): Likewise.
4093 (reload_combine): Likewise.
4094 (reload_cse_move2add): Likewise.
4095 * reorg.c (redundant_insn): Use INSN_P.
4096 (dbr_schedule): Likewise.
4097 * resource.c (find_dead_or_set_registers): Use INSN_P.
4098 (mark_target_live_regs): Likewise.
4099 * rtlanal.c (reg_used_between_p): Use INSN_P.
4100 (reg_referenced_between_p): Likewise.
4101 (reg_set_between_p): Likewise.
4102 (reg_set_p): Likewise.
4103 (single_set): Likewise.
4104 (multiple_sets): Likewise.
4105 (find_last_value): Likewise.
4106 (reg_set_last): Likewise.
4107 (find_reg_note): Likewise.
4108 (find_regno_note): Likewise.
4109 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4110 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4111 * ssa.c (find_evaluations): Use INSN_P.
4112 (rename_block): Likewise.
4113 (rename_equivalent_regs): Likewise.
4114 * unroll.c (loop_find_equiv_value): Use INSN_P.
4115 (set_dominates_use): Likewise.
4116 * varasm.c (mark_constant_pool): Use INSN_P.
4117 (mark_constants): Likewise.
4118 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4119 (alphaev4_next_group): Likewise.
4120 (alphaev5_next_group): Likewise.
4121 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4122 (c4x_rptb_rpts_p): Likewise.
4123 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4124 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4125 (rs6000_adjust_priority): Likewise.
4126 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4127 (machine_dependent_reorg): Likewise.
4128 (split_branches): Likewise.
4129 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4131 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4133 * combine.c (recog_for_combine): Remove the old notes
4134 prior to attempting to recognize the new pattern.
4135 (distribute_notes): Ignore REG_NONNEG notes.
4137 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4139 * varasm.c (output_constructor): Add .align 0 for packed vars.
4141 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4143 * configure.in: Use default thread_file even when enable_threads is
4144 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4145 * configure: Rebuilt.
4147 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4149 2000-08-04 Donn Terry (donnte@microsoft.com)
4151 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4153 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4155 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4156 Delete code that conditionally modifies 'version'.
4157 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4158 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4159 * gcc.c (main): Use it.
4160 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4161 * prefix.c (update_path): Use it.
4162 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4163 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4164 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4166 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4167 (SUBTARGET_SWITCHES): Adjust.
4168 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4170 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4172 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4174 * c-common.h (flag_isoc94): Declare.
4175 * c-decl.c (flag_isoc94): Define.
4176 (c_decode_option): Set flag_isoc94 as appropriate.
4177 * c-common.c (T_PD, T_IM, T_UIM): Define.
4178 (format_char_info): Add tlen and jlen.
4179 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4181 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4183 (time_char_table): Add NULL entries for %t and %j.
4184 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4185 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4186 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4187 precision. Allow precision argument to be unsigned int. If
4188 pedantic, warn for %p passed an argument not a pointer to possibly
4189 qualified void or a possibly qualified character type, and for
4190 pointer targets of the wrong sign, except for character pointers.
4192 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4194 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4195 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4196 (wint_type_node): Define.
4197 * c-decl.c (WINT_TYPE): Define.
4198 (init_decl_processing): Create the wint_type_node type.
4199 * c-common.c (T_WI): Define.
4200 (print_char_table): Use T_WI for %lc format.
4202 2000-08-04 Bruce Korb <bkorb@gnu.org>
4204 * fixinc/: Verified that the MSDOS patch does not break
4205 the UNIX functionality and applied the next three patches
4208 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4210 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4211 output file with the temporary one by appending ".X" to generate
4212 the temporary fuile's name. If the output file already has an
4213 extension, replace it with ".X".
4215 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4216 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4217 reallocate the command buffer while copying the command-line
4218 argument. Redirect the output directly to the temporary file,
4219 instead of going through another temporary file.
4220 (process): Close the temporary file before unlinking it.
4221 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4222 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4223 (run_compiles): Pass p_fixd argument to machine_matches, as it
4226 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4227 environment, assume there are no symlinks in the include
4228 directory. When cleaning up the DONE files, look for them
4229 case-insensitively. Don't try to remove symlinks if they aren't
4232 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4233 all callers changed. Declare pz "const char *", to avoid compiler
4236 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4237 Change prototype of make_raw_shell_str.
4239 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4241 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4242 (initialize) [__MSDOS__]: Use tempnam.
4243 (initialize): Don't use SIGPIPE if it is not defined.
4245 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4248 2000-07-25 Bruce Korb <bkorb@gnu.org>
4250 * fixinc/fix*.[ch]: substantially reworked to make it possible
4251 to run this program without using fork(2) or pipe(2) (i.e. in
4254 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4256 * cppdefault.h (WINT_TYPE): Define.
4257 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4258 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4259 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4261 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4263 * (mips_legitimate_address_p): Don't allow register+offset
4264 if the offset is large and negative, and we are compiling
4265 for 64 bit registers.
4267 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4269 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4270 insn_code_number + 1.
4272 2000-08-04 Kazu Hirata <kazu@hxi.com>
4274 * h8300.c (function_prologue): Rearrange code for conciseness.
4275 (function_epilogue): Likewise.
4276 * h8300.h (OK_FOR_U): Fix formatting.
4278 * cse.c: Fix a comment typo. Fix formatting.
4280 2000-08-03 Richard Henderson <rth@cygnus.com>
4282 * config/i386/i386.md (return_indirect_internal): New.
4283 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4285 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4287 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4289 (lex_line): Glue @ onto the beginning of identifiers and
4290 string constants, in Objective-C mode.
4291 (output_token, spell_token): Handle CPP_OSTRING.
4292 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4293 beginning of a NAME or a STRING, in objc mode.
4295 * cpplib.c (get_define_node): Do not permit identifiers that
4296 begin with @ to be #defined.
4297 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4298 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4300 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4301 * c-tree.h (build_objc_string): Delete prototype.
4302 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4303 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4305 * c-parse.in, objc/objc-act.c: Update commentary.
4307 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4309 * extend.texi: Fix typo in last change.
4311 * extend.texi: Add commentary on statement-expressions and their
4312 interactions with C++.
4314 2000-08-03 Nick Clifton <nickc@cygnus.com>
4316 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4317 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4319 2000-08-03 Anthony Green <green@cygnus.com>
4321 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4322 (add_bound_info): Check for java language.
4323 (is_java): New function.
4324 * dwarfout.c (output_compile_unit_die): Ditto.
4325 * dwarf.h (dwarf_source_language): Add java source language type.
4326 * dwarf2.h (dwarf_source_language): Ditto.
4328 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4330 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4333 * i386.c (ix86_expand_branch): Mode of comparison in
4334 IF_THEN_ELSE is VOIDmode.
4336 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4338 * gengenrtl.c, rtl.c: Avoid #elif.
4340 2000-08-03 Michael Poole <poole@troilus.org>
4342 * tm.texi (Register Classes): Clarify order of sub-initializers
4343 in REG_CLASS_CONTENTS.
4345 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4347 From SAITOH Masanobu:
4348 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4350 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4352 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4353 is not supported by tradcpp and isn't actually needed for cygwin.
4355 2000-08-03 Kazu Hirata <kazu@hxi.com>
4357 * h8300.c: Fix a comment typo.
4358 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4360 * jump.c: Fix formatting.
4362 * toplev.c: Fix formatting.
4364 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4366 * flow.c (find_auto_inc): Verify that we've got a REG before
4367 peeking at its regno. Fail, don't abort if we can't find
4368 the increment of the desired register.
4370 * pa.md (shadd height reduction patterns/splitters): Remove.
4372 2000-08-02 Jim Wilson <wilson@cygnus.com>
4374 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4375 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4377 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4379 * dce.c: Remove all uses of assert.
4380 * dwarf2out.c: Likewise.
4381 * dwarfout.c: Likewise.
4384 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4386 * gcc.h (lang_specific_driver): Constify second argument.
4387 * gcc.c (translate_options, process_command, main): Likewise.
4388 Constify variables to match. Cast second argument to
4391 * cppspec.c, gccspec.c: Adjust type of second argument to
4392 lang_specific_driver, and update code as necessary.
4394 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4396 * loop.c (scan_loop): Ensure update_end label does not
4397 go away until reg_scan_update is run.
4399 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4401 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4402 * c-tree.h: ... not here.
4403 * errors.h: Prototype fancy_abort.
4405 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4406 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4407 * regrename.c (regrename_optimize): Make control flow explicit.
4408 (replace_reg_in_block): Initialize reg_use to 0.
4410 * i386.c (legitimate_address_p): Rename error label to
4411 report_error to avoid namespace clash.
4413 2000-08-02 Kazu Hirata <kazu@hxi.com>
4415 * fold-const.c: Fix formatting.
4417 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4419 * i386.c (legitimate_address_p): Accept other bases than
4420 pic_offset_table_rtx for GOTOFF constructs.
4422 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4424 * i386.md (shift to lea splitter): Use const_int_operand.
4426 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4428 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4429 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4432 * cppmain.c (cb_define, cb_undef): Don't generate any output
4433 if not done_initializing.
4434 * cpplex.c (maybe_paste_with_next): When the token after a ##
4435 is an omitted rest argument, only delete the token before it
4436 if that token is a comma. Do not warn about bogus token
4437 pastes for , ## rest_arg.
4440 * cpp.1: Regenerate.
4442 2000-08-02 Fred Fish <fnf@be.com>
4444 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4445 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4448 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4449 Be directories to search path.
4451 Remove support for __declspec(dllimport) and __declspec(dllexport).
4452 This is leftover cruft from the earlier BeOS gcc port when BeOS
4453 used Microsoft's PE object file format.
4454 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4455 * config/i386/t-beos (winnt.o): Remove Makefile frag.
4456 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
4457 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
4458 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4459 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
4460 (REDO_SECTION_INFO_P): Remove.
4461 (ASM_EXPORT_DECL): Remove.
4462 (ASM_DECLARE_FUNCTION_NAME): Remove.
4463 (ASM_DECLARE_OBJECT_NAME): Remove.
4464 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4465 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
4466 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
4467 (STRIP_NAME_ENCODING): Remove.
4469 Remove support for obsolete version of BeOS that is no longer
4471 * configure.in (i*86-*-beospe*): Remove.
4472 * config/i386/beos-pe.h: Remove.
4474 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
4475 Mark Mitchell <mark@codesourcery.com>
4477 * Makefile.in (OBJS): Added dce.o.
4478 (ssa.o): Updated target to include ssa.h.
4480 (toplev.o): Likewise.
4481 (dce.o): Created target.
4482 * basic-block.h: Added comments.
4483 (INVALID_BLOCK): Added definition.
4484 (connect_infinite_loops_to_exit): Added declaration.
4485 Moved SSA declarations to ssa.h.
4486 * flow.c: Added inclusion of ssa.h.
4487 (struct depth_first_search_dsS, depth_first_search_ds):
4489 (compute_immediate_postdominators): Added definition.
4490 (connect_infinite_loops_to_exit): Likewise.
4491 (flow_dfs_compute_reverse_init): Likewise.
4492 (flow_dfs_compute_reverse_add_bb): Likewise.
4493 (flow_dfs_compute_reverse_execute): Likewise.
4494 (flow_dfs_compute_reverse_finish): Likewise.
4495 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
4496 (LABEL_P): Added definition.
4499 (BARRIER_P): Likewise.
4500 (JUMP_TABLE_DATA_P): Likewise.
4501 (INSN_DEAD_CODE_P): Likewise.
4502 * ssa.c: Replaced inclusions with ssa.h inclusion.
4503 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
4504 (rename_registers): Removed unnecessary variables.
4505 * ssa.h: Created by moving declarations from ssa.c and
4507 * timevar.def: Defined TV_DEAD_CODE_ELIM.
4508 * toplev.c: Added ssa.h inclusion.
4509 (dump_file_index): Added DFI_dce.
4510 (dump_file): Added "dce" entry.
4512 (f_options): Added dce entry.
4513 * invoke.texi: Document -fdce. Emphasize experimental status of
4517 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
4519 * cpperror.c (v_message): Split into _cpp_begin_message and
4520 v_message macro. All callers updated.
4521 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
4524 * cppfiles.c (cpp_syshdr_flags): New function.
4525 (read_include_file): Don't call cpp_output_tokens. Call
4527 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
4528 (cpp_reader_init): Don't initialize token_buffer. Call
4529 _cpp_init_internal_pragmas.
4530 (cpp_cleanup): Don't clear token_buffer.
4531 (cpp_start_read): Don't worry about output from -D processing.
4532 Don't call cpp_output_tokens.
4533 (cpp_finish): Don't dump macros here. Don't call
4535 * cppmacro.c (_cpp_dump_definition): Rename
4536 cpp_dump_definition. Write directly to a FILE *.
4537 (dump_funlike_macro): Delete.
4538 (dump_macro_args): New.
4540 * cpplex.c (TOKEN_LEN): Convert to inline function.
4541 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
4542 cpp_scan_line, _cpp_dump_list): Delete.
4543 (cpp_printf, cpp_output_list): New.
4544 (output_line_command): Don't worry about entering or leaving files.
4545 (cpp_scan_buffer): Just output each token as we hit it.
4546 (process_directive): Don't call cpp_output_tokens.
4547 (_cpp_glue_header_name): Don't use token_buffer.
4548 (output_token, dump_param_spelling): Write directly to a FILE *.
4550 * cpplib.c (pass_thru_directive, dump_macro_name,
4551 pragma_dispatch, do_pragma_gcc): Delete.
4552 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
4553 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
4555 (do_error, do_warning, pragma_dependency): Call
4556 _cpp_begin_message, then cpp_output_list.
4557 (cpp_register_pragma, cpp_register_pragma_space,
4558 _cpp_init_internal_pragmas): New.
4559 (do_pragma): Walk the pragmas table here.
4560 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
4561 do_pragma_dependency): Return void.
4562 (do_pragma_implementation): Moved to cppmain.c.
4564 * cpplib.h: Update prototypes.
4565 (struct cpp_reader): Remove printer, token_buffer,
4566 token_buffer_size, and limit. Add struct cb, and pragmas.
4567 (struct cpp_printer): Remove last_id and written.
4568 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
4569 CPP_ADJUST_WRITTEN): Delete.
4570 * cpphash.h: Update prototypes.
4571 (ufputs): New wrapper.
4573 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
4574 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
4575 (main): Set up callbacks. Register #pragma implementation.
4576 Dump macros from here.
4578 2000-08-01 Geoff Keating <geoffk@cygnus.com>
4580 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
4581 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
4582 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
4583 insns if they have a REG_MAYBE_DEAD note attached.
4584 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
4585 (rs6000_emit_load_toc_table): TOC loads may go dead.
4587 2000-08-01 Jim Wilson <wilson@cygnus.com>
4589 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
4590 type exists before using it. Use number of words as alignment
4592 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
4593 ia64_va_arg): Propagate ia64_function_args changes here.
4595 2000-08-01 Richard Henderson <rth@cygnus.com>
4597 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
4598 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4600 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
4602 From Joern Rennecke:
4603 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
4604 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
4605 unless TARGET_SH3E is set.
4606 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
4608 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
4609 (ashlsi3_std): New pattern.
4610 (ashlsi3 expander): Use it for TARGET_SH3.
4611 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
4613 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4615 * loop.c (canonicalize_condition): Use destination, not source to
4616 determine SET's mode.
4618 2000-07-31 Mark Mitchell <mark@codesourcery.com>
4620 * flow.c (clear_log_links): Fix typo.
4622 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
4624 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
4625 on targets which need more than one insn for a compare/cbranch
4628 2000-07-31 Jim Wilson <wilson@cygnus.com>
4630 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
4631 when computing offset.
4633 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
4635 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
4637 2000-07-31 Geoff Keating <geoffk@cygnus.com>
4639 * flow.c (clear_log_links): Nuke global_live_at_start and
4640 global_live_at_end data, since if the log_links stuff is invalid
4641 so is global_live_at_*.
4643 2000-07-31 Richard Henderson <rth@cygnus.com>
4645 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
4647 2000-07-31 Jakub Jelinek <jakub@redhat.com>
4649 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
4650 (_cpp_get_token): Don't macro expand a just pasted token if it
4651 was pasted at no_expand_level.
4653 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4655 * cppmacro.c (find_param, count_params, save_expansion):
4656 Permit 'defined' as a macro parameter name.
4658 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4660 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
4661 xcpp to cpp throughout.
4662 (native): Remove unnecessary dependency on cpp.
4664 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
4665 tradcpp to tradcpp0.
4666 (.i spec): Add missing output-file spec to cc1 command line.
4667 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
4669 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4671 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
4672 (implicit_decl_warning): New function.
4673 (implicitly_declare): Use it.
4674 * c-typeck.c (build_external_ref): Use implicit_decl_warning
4675 to complain about implicit decls of builtins.
4677 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
4678 based on pedantic && flag_isoc99, if not already set.
4679 * c-tree.h: Declare mesg_implicit_function_declaration.
4680 Prototype implicit_decl_warning.
4682 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
4684 * Makefile.in (ssa.o): Updated header files in dependences.
4685 * basic-block.h: Added compute_immediate_postdominators declaration.
4686 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
4688 * flow.c (compute_immediate_dominators): Updated comment.
4689 (compute_immediate_postdominators): Added definition.
4690 * rtl.h (HARD_REGISTER_P): Added definition.
4691 * ssa.c: Include additional header files.
4692 (assert): Added definition.
4693 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
4694 include select hard registers.
4695 (ssa_rename_to_insert): Likewise.
4696 (ssa_rename_from_initialize): Likewise.
4697 (ssa_rename_from_lookup): Likewise.
4698 (original_register): Likewise.
4699 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
4700 include select hard reigsters.
4701 (ssa_rename_from_traverse): Likewise.
4702 (ssa_rename_from_free): Likewise.
4703 (ssa_rename_from_print): Likewise.
4704 (ssa_rename_from_print_1): Likewise.
4705 (ssa_rename_from_hash_function): Likewise.
4706 (ssa_rename_from_equal): Likewise.
4707 (ssa_rename_from_delete): Likewise.
4708 (simplify_to_immediate_dominators): Removed in favor of
4709 flow.c:compute_immediate_dominators.
4710 (find_evaluations_1): Modified to work with hard registers.
4711 (insert_phi_node): Likewise.
4712 (insert_phi_nodes): Likewise.
4713 (struct rename_set_data): Updated prev_reg comment.
4714 (create_delayed_rename): Modified to work with hard registers.
4715 (RENAME_NO_RTX): Updated comment.
4716 (apply_delayed_renames): Modified to work with hard registers.
4717 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
4718 (rename_block): Updated to use revised ssa_rename_to interface.
4719 (rename_registers): Updated to use revised ssa_rename_to and
4720 ssa_rename_from interface.
4721 (convert_to_ssa): Revised to use compute_immediate_dominators and
4722 deal with hard registers.
4723 (make_regs_equivalent_over_bad_edges): Modified to work with hard
4724 registers. Added check for illegal unification of hard register.
4725 (make_equivalent_phi_alternatives_equivalent): Modified to work
4726 with hard registers.
4727 (compute_conservative_reg_partition): Likewise.
4728 (coalesce_if_unconflicting): Modified to work with hard registers
4729 and check for conflicting hard registers.
4730 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
4732 (rename_equivalent_regs_in_insn): Modified to work with hard
4734 (record_canonical_element_1): Added definition.
4735 (check_hard_regs_in_partition): Added definition.
4736 (convert_from_ssa): Added data structure deallocation and check
4737 for illegal hard register unification.
4738 (conflict_hard_regs_p): Added definition.
4739 * toplev.c (rest_of_compilation): Added comment.
4741 2000-07-31 Anthony Green <green@redhat.com>
4743 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
4745 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
4747 * builtins.c (expand_builtin_apply): Don't defer pop during
4750 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4752 * calls.c (combine_pending_stack_adjustment_and_call): Only use
4753 preferred_unit_stack_boundary when it is > 1.
4755 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
4757 * c-common.c (init_function_format_info): Add C99 format functions
4760 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
4761 void' or 'register void' as being the special case of 'void' alone
4762 in a parameter list.
4764 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
4765 discarding qualifiers into a plain warning.
4767 2000-07-31 Kazu Hirata <kazu@hxi.com>
4769 * combine.c: Fix formatting.
4771 * h8300.md: Fix formatting.
4773 * local-alloc.c: Fix formatting.
4775 * h8300.c (get_shift_alg): Remove the variable alg.
4776 (emit_a_shift): Rearrange code to improve readability.
4778 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
4780 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
4781 HImode on all architectures and a combination of HImode and SImode
4782 on H8/300H and H8/S.
4784 * h8300.c (split_adds_subs): Rearrange code for conciseness.
4786 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4788 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
4791 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4793 * recog.c (extract_insn): Set operand_mode according to
4794 operand if match_operand is VOIDmode.
4796 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4798 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
4800 2000-07-31 Geoff Keating <geoffk@cygnus.com>
4802 * c-parse.in (extdefs): Call ggc_collect between external
4805 2000-07-30 Michael Hayes <mhayes@cygnus.com>
4806 Richard Henderson <rth@cygnus.com>
4808 * Makefile.in (OBJS): Add doloop.o.
4809 * doloop.c: New file.
4811 * final.c (insn_current_reference_address): Return 0 before final.
4812 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
4813 * jump.c (any_uncondjump_p): Likewise.
4814 * loop.c (indirect_jump_in_function): Make static.
4815 (strength_reduce): Call doloop_optimize.
4816 (insert_bct, instrument_loop_bct): Remove.
4817 * loop.h (doloop_optimize): Prototype.
4818 * recog.c (split_all_insns): Split all INSN_P.
4819 * toplev.c (flag_branch_on_count_reg): Default on.
4821 * config/c4x/c4x.c (c4x_optimization_options): Don't set
4822 flag_branch_on_count_reg.
4823 * config/i386/i386.c (override_options): Likewise.
4824 * config/rs6000/rs6000.c (optimization_options): Likewise.
4826 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
4828 (dbra_ge): Remove, as well as all it's splitters.
4830 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
4833 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
4834 (ia64_register_move_cost): Declare.
4835 * config/ia64/ia64.c (ar_lc_reg_operand): New.
4836 (struct ia64_frame_info): Add ar_size.
4837 (ia64_compute_frame_size): Set it.
4838 (save_restore_insns): Save and restore ar.lc.
4839 (ia64_register_move_cost): New, moved from header file. Handle
4840 application registers.
4841 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
4842 (emit_insn_group_barriers): Special case doloop_end_internal.
4843 (ia64_epilogue_uses): Mark ar.lc live at end.
4844 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
4845 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
4846 (FIRST_PSEUDO_REGISTER): Make room.
4847 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
4848 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
4849 (REG_ALLOC_ORDER): Update.
4850 (HARD_REGNO_MODE_OK): Update.
4851 (REGISTER_NAMES): Update.
4852 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
4853 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
4854 (REGNO_REG_CLASS): Update.
4855 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
4856 (REGISTER_MOVE_COST): Move out of line.
4857 (PREDICATE_CODES): Update.
4858 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
4859 (addsi3_plus1_alt, adddi3_plus1_alt): New.
4860 (shladd_elim splitter): Allow constants in the predicate.
4861 (doloop_end, doloop_end_internal): New.
4863 2000-07-30 Richard Henderson <rth@cygnus.com>
4865 * genattrtab.c (struct insn_def): Add lineno member.
4866 (struct insn_ent): Likewise.
4867 (struct attr_desc): Likewise.
4868 (struct delay_desc): Likewise.
4869 (struct function_unit_op): Likewise.
4870 (struct function_unit): Likewise.
4871 (check_attr_value): Use message_with_line.
4872 (check_defs): Likewise.
4873 (expand_units): Likewise.
4874 (check_attr_test): Take a lineno argument.
4875 (gen_attr): Likewise.
4876 (gen_insn): Likewise.
4877 (gen_delay): Likewise.
4878 (gen_unit): Likewise.
4879 (main): Give it to them.
4880 (convert_set_attr_alternative): Take an insn_def argument
4881 instead of num_alt and insn_index.
4882 (convert_set_attr): Likewise.
4883 (write_test_expr): Protect INSN_ADDRESSES load
4884 with INSN_ADDRESSES_SET_P.
4886 2000-07-30 Richard Henderson <rth@cygnus.com>
4888 * flow.c (init_propagate_block_info): Use pc_set.
4890 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4892 * i386.md (*lea_general_[123]) New insns and splits.
4893 (addsi3 to lea splitter): Handle other modes too.
4894 (shlsi3 to lea splitter): Likewise.
4895 (addhi_1_lea, shlhi_1_lea): New patterns.
4896 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
4898 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4900 * recog.c (general_operand, nonimmediate_operand): Accept
4901 any mode for VOIDmode CONSTANT_P operands.
4903 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4905 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
4906 instead of replace_rtx.
4907 * recog.c (validate_replace_rtx_subexp): New function.
4908 * recog.h (validate_replace_rtx_subexp): Declare.
4910 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4912 * combine.c (simplify_set, make_extraction, make_compound_operation
4913 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
4914 as force_to_mode argument.
4916 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4918 * combine.c (if_then_else_cond): Be sure that mode fits in
4921 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4923 * combine.c (record_promoted_value): Allow bitsize of mode
4924 to be equivalent to HOST_BITS_PER_WISE_INT.
4926 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4928 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
4929 Do not call gen_mode_alignment when mode is BLKmode.
4931 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
4933 * loop.c (express_from_1): Fix call of simplify_gen_binary.
4935 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4937 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
4938 VOIDmode implies both operands to be VOIDmode.
4939 (simplify_ternary_operation): Compute properly the mode of comparison.
4940 * combine.c (combine_simplify_rtx): Likewise.
4942 2000-07-25 Michael Hayes <mph@paradise.net.nz>
4944 * basic-block.h (struct loops): New field rc_order.
4945 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
4946 (flow_loops_free): Free rc_order.
4947 (flow_depth_first_order_compute): New parameter rc_order.
4948 (flow_loops_find): Allocate rc_order and swap usage with
4951 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4952 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4954 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
4955 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
4956 (nodb_call, return_from_epilogue): Likewise.
4957 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
4958 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
4959 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
4960 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4961 (c4x_valid_type_attribute_p): Likewise.
4962 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
4963 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
4965 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4967 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
4968 and loadhi_big_constant if applicable.
4969 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
4970 and add new splitter.s
4972 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4974 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
4976 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4978 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
4980 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4982 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
4984 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4986 * config/c4x/libgcc.S (divqf3): Improve accuracy.
4988 2000-07-27 Mark Mitchell <mark@codesourcery.com>
4990 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
4991 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
4992 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
4993 (get_prev_bb_note): Likewise.
4994 (remove_scope_notes): Likewise.
4995 * flow.c (commit_one_edge_insertion): Likewise.
4996 (merge_blocks_nomove): Likewise.
4997 (verify_flow_info): Likewise.
4998 * gcse.c (insert_insn_end_bb): Likewise.
4999 * reg-stack.c (emit_swap_insn): Likewise.
5000 * ssa.c (first_insn_after_basic_block_note): New function.
5001 (insert_phi_node): Use it.
5002 (rename_block): Likewise.
5003 (eliminate_phi): Likewise.
5004 (make_regs_equivalent_over_bad_edges): Likewise.
5005 (make_equivalent_phi_alternatives_equivalent): Likewise.
5006 (for_each_successor_phi): Likewise.
5007 (convert_from_ssa): Modify phi-node deletion algorithm.
5009 2000-07-29 Andreas Jaeger <aj@suse.de>
5011 * configure.in (mips*-*-linux*): Use mips*el to check for little
5012 endian MIPS, add tmake_file.
5014 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5015 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5016 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5018 2000-07-28 Richard Henderson <rth@cygnus.com>
5020 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5021 Sign extend mode size before negating.
5023 2000-07-28 Richard Henderson <rth@cygnus.com>
5025 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5027 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5029 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5030 (cse_insn): Likewise.
5031 (addr_affects_sp_p): Likewise.
5032 * expr.c (move_by_pieces): Likewise.
5033 (clear_by_pieces): Likewise.
5034 * gcse.c (oprs_unchanged_p): Likewise.
5035 * haifa-sched.c (sched_analyze_2): Likewise.
5036 * recog.c (offsettable_address_p): Likewise.
5037 * regclass.c (record_address_regs): Likewise.
5038 * reload.c (find_reusable_reload): Likewise.
5039 (push_reload): Likewise.
5040 (operands_match_p): Likewise.
5041 (decompose): Likewise.
5042 (find_reloads_address_1): Likewise.
5043 (find_inc_amount): Likewise.
5044 * reload1.c (elimination_effects): Likewise.
5045 * resource.c (mark_set_resources): Likewise.
5046 * flow.c (attempt_auto_inc): New function; mostly broken out
5048 (find_auto_inc): Split into two functions and enhanced to
5049 generate POST_MODIFY.
5050 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5051 * rtl.h (count_all_occurrences): Declare.
5052 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5054 * rtlanal.c (count_all_occurrences): New function.
5055 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5056 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5058 * config/ia64/ia64-protos.h (destination_operand): Declare.
5059 * config/ia64/ia64.c (destination_operand): New function.
5060 (ia64_print_operand): Handle POST_MODIFY.
5061 (rtx_needs_barrier): Likewise.
5062 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5063 (HAVE_POST_MODIFY_REG): Define to 1.
5064 (MAX_REGS_PER_ADDRESS): Change to 2.
5065 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5066 (LEGITIMATE_ADDRESS_REG): New helper macro.
5067 (LEGITIMATE_ADDRESS_DISP): Likewise.
5068 (PREDICATE_CODES): Add entry for destination_operand.
5069 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5070 predicate for operand 0.
5072 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * dwarf2out.c: Indent #error directive.
5076 * gbl-ctors.h: Fix typo in comment.
5077 (__do_global_ctors): Prototype.
5079 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5081 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5082 (print_operand): Initialize variable `t'.
5084 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5086 * config/arm/arm.md ("call_value"): removed constraints.
5087 Constraints are ignored in expanders.
5088 (*call_value_reg): split =rf into various constraints.
5089 (*call_value_mem): same
5090 (*call_value_symbol): same
5091 (*sibcall_value_insn): same
5093 2000-07-28 Philipp Thomas <pthomas@suse.de>
5095 * install.texi (--enable-nls): Change the description of the NLS
5096 related configure options to match the current state.
5097 (--with-included-gettext): Likewise.
5098 (--enable-maintainer-mode): New description added.
5099 * extend.texi (-fstrict-prototype): Add missing '.'.
5101 2000-07-27 Jim Wilson <wilson@cygnus.com>
5103 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5104 DECL_INITIAL (decl) == NULL_TREE.
5106 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5108 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5109 on insn-attr.h with it.
5110 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5111 * insn-addr.h: New header.
5112 (insn_addresses_): Renamed from insn_addresses.
5113 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5114 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5115 INSN_ADDRESSES_NEW): New macros.
5116 * genattrtab.c (write_test_expr): Use new macros.
5117 * final.c (insn_addresses, init_insn_lengths): Likewise.
5118 (align_fuzz, shorten_branches): Likewise.
5119 (final): Likewise. Do not reject new insns if their addresses
5120 have been added to INSN_ADDRESSES.
5121 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5122 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5123 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5124 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5125 * config/sh/sh.c: Likewise.
5126 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5128 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5130 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5132 * gcc.c (struct prefix_list): Add member priority.
5133 (enum path_prefix_priority): Declare.
5134 (add_prefix): Replace ``first'' with ``priority''. Append new
5135 entry but keep list in priority order.
5136 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5137 PREFIX_PRIORITY_LAST to add_prefix.
5138 (process_command): Move include kludge - foo/stageN - to before
5141 2000-07-27 Jason Merrill <jason@redhat.com>
5143 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5144 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5146 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5148 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5149 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5151 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5153 * c-decl.c (finish_function): Don't treat 'main' specially unless
5154 flag_hosted. In C99 mode, return 0 from 'main' unless
5155 DEFAULT_MAIN_RETURN is otherwise defined.
5157 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5158 parameters defaulting to int in an old-style function definition.
5160 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5162 * c-parse.in (string): For -Wtraditional, warn about string
5163 concatenation only once per line.
5165 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5167 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5168 for HI-UX/WE2 systems.
5170 2000-07-24 Bruce Korb <bkorb@gnu.org>
5172 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5173 defining the __xxx_TYPE__ macros.
5174 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5175 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5176 * fixincl/inclhack.def(type_map): now obsolete
5178 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5180 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5182 2000-07-26 Dave Pitts <dpitts@cozx.com>
5184 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5186 (mvs_hash_alias): New function.
5187 (mvs_add_alias): Change argument spacing.
5188 (mvs_need_alias): Change aliasing criteria. Added documentation.
5189 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5190 CSECT name collisions.
5191 (mvs_check_alias): Likewise.
5192 (handle_pragma): Change documentation.
5193 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5194 mode from SImode to DImode.
5195 (iorhi3): Changed LTORG size for insn.
5197 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5199 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5200 mem if the address is a mode_dependent_address_p.
5202 2000-07-26 Kazu Hirata <kazu@hxi.com>
5204 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5205 suitable for 8-bit absolute.
5206 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5207 (OK_FOR_U): Add a case for the 8-bit constant address on the
5210 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5212 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5213 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5214 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5215 lack of implemented alignment.
5217 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5219 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5220 cross-compiling between 64-bit and 32-bit machines.
5222 2000-07-27 Richard Henderson <rth@cygnus.com>
5224 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5225 (movhicc_astep, movhi_internal_astep): New.
5226 (movsicc_astep, movsi_internal_astep): New.
5227 (movdicc_astep, movdi_internal_astep): New.
5228 (movsfcc_astep, movsf_internal_astep): New.
5229 (movdfcc_astep, movdf_internal_astep): New.
5230 (movxfcc_astep, movxf_internal_astep): New.
5231 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5232 Unify the cmov[ds]i splitters.
5234 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5236 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5238 2000-07-26 Nick Clifton <nickc@cygnus.com>
5240 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5241 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5243 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5244 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5246 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5248 * c-decl.c (finish_enum): Convert enumerations that fit in an
5250 (build_enumerator): In pedantic mode, cast to `int' those that
5253 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5255 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5257 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5259 * sh.md (cmpgtdi_t): Must be split.
5260 (cmpgtdi_t+1): New splitter.
5262 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5264 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5265 warnings for indented directives even if we are skipping.
5267 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5269 * invoke.texi (strict-prototypes): Remove.
5270 * extend.texi (Deprecated Features): Add strict-prototypes.
5271 (Backwards Compatibility): New node.
5273 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5275 * config/i386/i386.md (andsi_1+1): Allow HImode.
5276 (andsi_1+2): Require q_regs_operand.
5278 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5280 * config/i386/i386.md (call_pop): Check operands[0],
5281 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5283 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5284 (call_value): Likewise.
5286 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5288 * toplev.c (pipe_closed): Delete.
5289 (crash_signal): New. Generate ICE for a fatal signal.
5290 (float_signal): Call crash_signal outside a float-handler
5292 (main): Install crash_signal as handler for core-dumping signals.
5294 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5296 * rs6000.c (print_operand, case 'T'): New case.
5298 * rs6000.md (call_indirect_aix32): Convert to expander of
5299 scheduled instructions.
5300 (call_indirect_aix64): Likewise.
5301 (call_value_indirect_aix{32,64}): Likewise.
5302 (call, call_value): Invoke expanders for AIX. Fall through to
5304 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5305 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5306 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5307 only "g" constraint.
5308 (call_nonlocal_aix64): Likewise.
5309 (call_value_nonlocal_aix{32,64}): Likewise.
5310 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5312 (call_value_nonlocal_sysv): New pattern.
5313 (indirect_jump{si,di}): Use new 'T' modifier.
5314 (tablejump{si,di} matchers): Likewise.
5315 (return_internal_{si,di}): Likewise.
5316 (return_eh_{si,di}): Likewise.
5318 2000-07-24 Richard Henderson <rth@cygnus.com>
5320 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5321 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5322 * config/ia64/ia64.md (movdi_internal): Use it.
5324 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5326 * cppexp.c: Warn about unary + if -Wtraditional.
5327 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5329 2000-07-24 Michael Meissner <meissner@redhat.com>
5331 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5334 2000-07-24 Nick Clifton <nickc@cygnus.com>
5336 * config/arm/arm.c (emit_multi_reg_push): Generate a
5337 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5338 dwarf2out_debug_frame_expr.
5340 2000-07-24 Jason Merrill <jason@redhat.com>
5342 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5343 UNALIGNED_INT_ASM_OP.
5344 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5345 a location expression.
5346 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5347 assume indirect access if we're saving the CFA address exactly.
5349 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5351 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5353 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5356 2000-07-24 Michael Meissner <meissner@redhat.com>
5358 * invoke.texi (D30V Options): Add d30v options.
5360 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5362 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5363 needed by our gcse pass anymore.
5364 (free_pre_mem): Corresponding changes.
5365 (compute_pre_data): Do not call compute_transpout anymore.
5367 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5368 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5371 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5372 (compute_pre_data): Do it here instead.
5374 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5376 (pre_delete): Corresponding changes.
5378 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5380 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5381 to figure out whether or not a variable has already been emitted.
5383 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5385 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5386 instead of gen_call.
5388 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5390 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5392 2000-07-23 Kazu Hirata <kazu@hxi.com>
5394 * h8300.c: Fix formatting.
5396 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5398 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5399 for `long' switch expression into a plain warning.
5401 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5402 (yylex): Don't pedwarn for "inline" in C99 mode.
5404 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5406 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5407 ggc_alloc): Likewise.
5408 * bb-reorder.c (dump_scope_forest_1): Likewise.
5410 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5412 * reload.c (find_reloads_toplev): Add new parameter
5414 (find_reloads): Add new parameter to find_reloads_toplev calls.
5416 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5418 * collect2.c (main): Typo fixed.
5419 * diagnostic.c: Typo fixed.
5420 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5421 * eh-common.h: Typo fixed.
5422 * emit-rtl.c (start_sequence): Typo fixed.
5423 * flow.c (find_label_refs): Typo fixed.
5424 (calculate_global_regs_live): Typo fixed.
5425 (mark_regno_cond_dead): Typo fixed.
5426 (create_edge_list): Typos fixed.
5427 (verify_edge_list): Typo fixed.
5428 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5429 * loop.c (strength_reduce): Typo in function name fixed.
5430 * rtl.h: Added comments. Typo in function name fixed.
5431 * rtlanal.c: Typo in function name fixed.
5432 (insn_dependant_p): Rename to ...
5433 (insn_dependent_p): ... this.
5434 (computed_jumo_p): Typo fixed.
5436 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5438 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5440 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5442 * rs6000.h (SIZE_TYPE): Define.
5444 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5446 * ssa.c (rename_insn_1): Don't rename registers that are
5449 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5451 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5453 (fatal_function, set_fatal_function): Removed.
5454 (fatal): Don't prepare for or call the fatal_function.
5455 (diagnostic_lock, error_recursion): New.
5456 (diagnostic_for_decl, report_diagnostic): Guard against
5457 re-entering the error reporting routines.
5458 (fancy_abort): Assume function is not NULL.
5460 * errors.c (fancy_abort): New. Assume function is not NULL.
5461 * tradcpp.c (fancy_abort): Assume function is not NULL.
5463 * system.h: Provide default definition of __FUNCTION__.
5464 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
5465 Always use __FUNCTION__ in definition of abort.
5467 * varray.h: Likewise.
5468 * toplev.h: Likewise. Don't prototype set_fatal_function.
5470 2000-07-20 Geoff Keating <geoffk@cygnus.com>
5472 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5474 * glimits.h: Don't do #if defined for ARCH_PPC.
5476 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
5477 constants of size no larger than a pointer should go in the TOC.
5478 Add 'MODE' parameter.
5479 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
5480 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
5481 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
5482 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
5483 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
5484 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
5485 (rs6000_legitimize_address): Likewise.
5486 (rs6000_emit_move): Likewise.
5487 (rs6000_select_rtx_section): Likewise.
5488 (output_toc): Deal properly with outputting small constants like
5489 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
5490 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
5491 MODE parameter. Put small constants in the TOC.
5493 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
5495 (rs6000_emit_move): When reload calls us with an illegitimate
5496 address, exit early. Move the change_address calls to one place
5497 at the end of the routine. Merge the SImode and DImode expanders.
5498 When called by reload to put an integer into a FP register, force
5501 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
5503 (rs6000_hash_constant): Hash mode too.
5504 (toc_hash_function): Allow for key_mode.
5505 (toc_hash_eq): Structures are different if key_mode differs.
5506 (output_toc): Add 'mode' parameter. Save key_mode.
5507 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
5508 Pass 'mode' parameter.
5509 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
5511 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
5512 for vtable references.
5514 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
5515 choice, don't put integer values in FP regs.
5517 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
5519 * flow.c (verify_flow_info): Revamp code to verify that the
5520 head and end of each basic block are in the insn chain.
5522 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
5524 * gcse.c (record_one_set): Prepend instead of append onto
5525 reg_set_table, making it O(n) instead O(n^2).
5526 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
5527 Use a queue instead of a stack as worklist.
5529 2000-07-20 Kazu Hirata <kazu@hxi.com>
5531 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
5532 * h8300.h (OK_FOR_T): New.
5533 (EXTRA_CONSTRAINT): Support OK_FOR_T.
5534 * h8300.md: Use inc/dec.[wl] for increment/decrement
5535 by 1 and 2 in HI and SI modes.
5537 2000-07-20 Jim Wilson <wilson@cygnus.com>
5539 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
5540 larger than 14 bits.
5542 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
5544 * cppmacro.c (CAN_PASTE_AFTER): New macro.
5545 (count_params): Don't set GNU_REST_ARGS on anything.
5546 (save_expansion): Set PASTE_LEFT only on tokens for which
5547 CAN_PASTE_AFTER is true, or which are named operators.
5549 * cpplex.c (parse_args): Distinguish between a rest argument
5550 given one empty argument, and a rest argument given zero arguments.
5551 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
5552 deletion of previous token based on that.
5553 (get_raw_token): Flatten some control structure.
5555 * cpplib.h (CPP_LAST_EQ): Correct.
5556 (VOID_REST): New token flag.
5557 (GNU_REST_ARGS): Delete.
5559 * tradcpp.c (main): Don't munge -D options.
5560 (make_definition): Bring -D handling in line with cpplib.
5561 (do_define): Strip all leading whitespace from macro definitions.
5563 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
5565 * Makefile.in (tradcpp): Depend on intl.o and version.o.
5567 2000-07-20 Bruce Korb <bkorb@gnu.org>
5569 * fixincl/check.tpl: strip the platform specific types before testing
5570 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
5571 * fixincl/fixincl.tpl: use platform specific types
5572 * fixincl/fixlib.h: include the platform specific types
5573 * fixincl/inclhack.def(gnu_types): don't supply the types
5574 * fixincl/fixincl.x: regen
5576 2000-07-19 Jim Wilson <wilson@cygnus.com>
5578 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
5581 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5583 * tradcpp.c (rescan): Do not recognize directives when the #
5586 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5588 Implement C++ named operators.
5590 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
5591 of operators allowed in #if and having an _EQ variant. Add
5592 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
5593 (cpp_token flags): Add NAMED_OP.
5594 (enum node_type): Add T_OPERATOR.
5595 (struct cpp_hashnode): Add code slot to value union.
5596 * cpphash.h (spec_nodes): Remove n_defined.
5598 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
5599 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
5600 (is_macro_disabled): Tweak error messages.
5602 * cpplib.c (get_define_node): Disallow all named operators as
5603 macro names. Tweak error messages.
5604 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
5606 * cppinit.c (builtin_array): Add entries for the named operators.
5607 * cppexp.c (lex): Check for CPP_DEFINED token.
5608 (priority table): Add entries for CPP_MIN and CPP_MAX.
5609 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
5611 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
5613 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
5614 larger than the array of cuids.
5615 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
5618 2000-07-19 Bruce Korb <bkorb@gnu.org>
5620 * fixinc/fixincl.c: Convert to using a table of environment variables
5621 and activate the auto-edit marker on the fixed output files.
5622 * fixinc/fixlib.h: Define the environment table
5623 * fixinc/fixincl.sh: export the ${INPUT} dir
5624 * fixinc/check.tpl: likewise
5626 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5628 * gcc.c (.h spec): Fix typo.
5630 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
5632 * Makefile.in: Fix tradcif.c path.
5634 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5636 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
5639 * cpphash.h (TOKEN_NAME): New macro.
5640 (_cpp_spell_operator): Deleted.
5641 (token_spellings): Now _cpp_token_spellings.
5643 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
5644 * cpplex.c: Use OP and TK macros when expanding the
5645 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
5646 store the stringification of the enumeration name (CPP_CHAR,
5647 etc.) in the name slot of token_spellings.
5648 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
5649 token_spellings directly.
5650 * cpplib.c: Use TOKEN_SPELL.
5652 * cpplex.c (_cpp_push_token): If the token being pushed back
5653 is the previous token in this context, just subtract one from
5655 * cppmacro.c (save_expansion): Clear aux field when storing a
5658 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5660 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
5661 buffer, provided it is not NULL.
5663 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
5665 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
5666 case of invalid volatile re-declaration.
5668 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5670 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
5671 (expand_call): Adjust caller.
5673 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
5675 * diagnostic.h (report_diagnostic): Change prototype.
5677 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
5678 diagnostic_for_decl): Change prototype.
5679 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
5680 error, warning, error_with_file_and_line,
5681 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
5682 Adjust call to report_diagnostic, diagnostic_for_decl.
5683 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
5684 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
5686 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
5687 varaible argument list.
5689 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
5691 * cpphash.c: Don't include hashtab.h. Most macro-handling code
5692 moved to cppmacro.c.
5693 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
5694 dump_hash_helper): Delete.
5695 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
5696 cpp_forall_identifiers): New. Implement specialized version of
5697 Vlad's expandable hash table.
5698 (cpp_lookup): Use new functions.
5699 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
5701 * cppmacro.c: New file.
5702 * cppinit.c (dump_macros_helper): New.
5703 (cpp_finish): Iterate over the identifier table directly.
5704 * cpplex.c (parse_name): Calculate the hash of the identifier
5705 while we scan it. Use _cpp_lookup_with_hash when we can.
5707 * cpphash.h: Update prototypes.
5708 (xcnewvec, HASHSTEP): New helper macros.
5709 * cpplib.h: Update prototypes.
5710 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
5711 (cppmacro.o): New rule.
5712 (cpphash.o): Update deps.
5714 * cppmain.c: Do not set pfile->printer if no_output is on.
5716 2000-07-15 Neil Booth <neilb@earthling.net>
5718 * cpplib.c: Change all directive-handler functions to return
5720 * cpphash.h: Update typedefs.
5722 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
5724 * configure: Regenerate.
5726 * extend.texi (Extended Asm): Mention that a memory clobber
5727 does not count as a side-effect.
5729 * unroll.c (copy_loop_body): Fix one instance of using host
5730 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
5733 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
5735 2000-07-17 Richard Henderson <rth@cygnus.com>
5737 * config/ia64/ia64.md (movdi): Split out load address code.
5738 New post-reload splitter for symbolic operands.
5739 (movdi_internal): Abort if we didn't split symbolic operands
5740 when we should have.
5741 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
5742 (ia64_reorg): Split insns when not optimizing.
5743 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
5745 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5747 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
5748 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
5750 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
5752 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
5754 2000-07-17 Jason Merrill <jason@redhat.com>
5756 * Makefile.in (clean): Remove libgcc directory.
5758 * configure.in (-Wno-long-long check): Use higher-level macros.
5760 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
5762 * simplify-rtx.c (simplify_binary_operation): Recognize
5763 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
5764 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
5765 a CONST_INT, it will always be zero.
5767 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
5769 * loop.c (check_dbra_loop) : Return if more than one condition is
5770 present to control the loop.
5772 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
5774 * mips.c (mips_expand_prologue): Don't calculate the last argument
5775 register unless we need it. When we are calculating this, make
5776 sure FUNCTION_ARG is giving us a REG.
5778 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5780 * flow.c (libcall_dead_p): Use single_set to verify the insn
5781 has only one set and get for analysis.
5782 (propagate_one_insn): Don't pass the PATTERN of the insn.
5784 2000-07-17 Mark Klein <mklein@dis.com>
5786 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
5788 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5790 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
5791 * configure.in (TARGET_GETGROUPS_T): Evaluate.
5792 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
5793 of second argument of getgroups.
5794 * configure, config.in: Rebuilt.
5796 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
5798 * simplify-rtx.c (simplify_relational_operation): Two signed
5799 values with equal high words are less/greater than each other if
5800 their low words are less/greater when considered as unsigned.
5802 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
5804 * configure.in (vax-*-openbsd): Change to new style configuration,
5805 add collect2/float_format information.
5806 * configure: Rebuilt.
5807 * config/vax/openbsd1.h: New.
5808 * config/vax/openbsd.h: New.
5809 * config/vax/t-openbsd: New.
5811 2000-07-17 Chip Salzenberg <chip@valinux.com>
5813 * c-common.c (shorten_compare): Quiet warnings about unsigned
5814 comparisons with zero when they occur in a system header.
5816 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5818 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
5819 update to describe current practice.
5821 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
5823 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
5824 references to C9X. Change references to -fstd and -flang-isoc9x
5827 * c-common.c (scan_char_table): Allow "z" length modifiers on
5829 (check_format_info): Use TYPE_DOMAIN on the type matched against
5830 for "z" formats, to retrieve the language size_t rather than the
5833 * c-common.c (check_format_info): Do not make a pedantic objection
5834 to the 'L' length modifier if used with a floating point type
5837 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
5838 constants in C99 mode.
5840 2000-07-17 Kazu Hirata <kazu@hxi.com>
5842 * h8300.md: Fix the format of mac.
5843 (movsi_h8300hs): Output a tab after stmac instead of a space.
5845 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
5846 profitable adds/subs sequences.
5848 * fold-const.c: Fix comment typos.
5850 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
5852 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
5854 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5856 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
5858 2000-07-16 Neil Booth <NeilB@earthling.net>
5860 * cpplex.c: Update comments.
5861 * README.Portability: Small update.
5863 2000-07-16 Neil Booth <NeilB@earthling.net>
5865 * README.Portability: Small update.
5867 2000-07-15 Richard Henderson <rth@cygnus.com>
5869 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
5870 * config/ia64/ia64.c (ia64_move_ok): New function.
5871 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
5872 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
5874 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
5876 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
5877 immediately following a paste operator.
5878 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
5879 (cpp_reader_init): Call it, if HOST_EBCDIC.
5880 (cpp_handle_options): Do not sort option list here.
5881 (handle_option): Rename to cpp_handle_option and export.
5882 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
5883 _cpp_get_token directly.
5884 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
5885 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
5886 * cpplib.h: Prototype cpp_handle_option. Update prototype of
5889 2000-07-15 Richard Henderson <rth@cygnus.com>
5891 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
5892 cast around an expression. Tidy other unsigned tests.
5894 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
5896 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
5897 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
5898 (v_message_with_decl): Rename to ...
5899 (format_with_decl): ... this. Tweak
5900 (diagnostic_for_decl): New function.
5901 (fatal_io_error): Use verbatim in lieu of notice.
5902 (announce_function): Use verbatim.
5903 (default_print_error_function): Likewise.
5904 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
5907 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5909 * mips.c (function_arg_pass_by_reference): Don't do automatic
5910 aggregate initialization.
5911 (machine_dependent_reorg): Initialize variable `mode'.
5913 * mips.md (absdi2): Change variable `regno1' to unsigned int.
5914 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
5915 conflicts with sys/param.h macro of the same name.
5916 (reload_outdi): Likewise.
5918 2000-07-15 Michael Meissner <meissner@redhat.com>
5920 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
5921 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
5922 create a new node instead.
5924 2000-07-15 Neil Booth <NeilB@earthling.net>
5926 * README.Portability: Correct example about calling a function
5927 through a pointer to function. Format wide paragraphs.
5929 2000-07-15 Michael Meissner <meissner@redhat.com>
5931 * README.Portability: Update integer suffixes and function
5934 2000-07-15 Neil Booth <NeilB@earthling.net>
5936 * README.Portability: Small update.
5938 2000-07-15 Neil Booth <NeilB@earthling.net>
5940 * README.Portability: New file.
5942 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
5944 * INSTALL: Give special instructions for building GCC on Irix 6.
5945 * config/mips/x-iris6 (CC): Don't set it.
5948 2000-07-14 Jason Merrill <jason@redhat.com>
5950 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
5951 register in the stack and later in another register, use the new
5954 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5956 * config/mips/mips.md: (absdi2): Handle sign_extend for
5959 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
5961 * cpplib.c (do_pragma_dependency): Tidy warning messages.
5963 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
5965 * .cvsignore: Correct typo.
5967 2000-07-13 Mark Mitchell <mark@codesourcery.com>
5969 * .cvsignore: Add generated YACC files.
5970 * objc/.cvsignore: New file.
5972 2000-07-14 Neil Booth <NeilB@earthling.net>
5974 * cpplex.c (adjust_column): New funcion.
5975 (skip_whitespace): Use it.
5976 (skip_block_comment): Use it, and warn about /*/* with
5979 2000-07-14 Neil Booth <NeilB@earthling.net>
5981 * cpphash.c (struct macro_info): Add new members.
5982 (_cpp_free_definition): Delete the macro directly.
5983 (count_params): Return void, with first token of
5984 expansion in struct macro_info on success.
5985 (parse_define): Return int. Hoist syntax checking from
5986 save_macro_expansion. Leave call to save_expansion to
5987 _cpp_create_definition.
5988 (alloc_macro): Needs just 2 arguments.
5989 (free_macro): Delete.
5990 (save_expansion): Don't perform syntax check.
5991 (_cpp_create_definition): Call save_expansion.
5993 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * genrecog.c (write_header): Split long string.
5997 * cpphash.c (macro_info): Don't use the `signed' keyword.
5999 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6001 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6003 * calls.c (stored_args_map): New variable.
6004 (check_sibcall_argument_overlap_1): New.
6005 (check_sibcall_argument_overlap): New.
6006 (expand_call): Initialize stored_args_map.
6007 Call check_sibcall_argument_overlap.
6009 2000-07-13 Bruce Korb <bkorb@gnu.org>
6011 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6012 (emit_gnu_type): utility procedure for gnu_type_fix
6013 (gnu_type_fix): implement various pre-processor guards around
6014 standard types so these types can be defined over and over
6015 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6016 types alluded to above will have GNU-compliant base types
6017 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6018 * fixinc/inclhack.def: add test_text entries and utilize the new
6019 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6020 * fixinc/fixincl.x: regenerate
6022 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6024 * diagnostic.c (vline_wrapper_message_with_location,
6025 v_message_with_file_and_line, v_error_with_file_and_file,
6026 v_error_for_asm, v_warning_for_asm, vfatal,
6027 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6028 vsorry, verror, vwarning, vpedwarn): Remove.
6029 (diagnostic_for_asm): New function.
6030 (pedwarn, error, warning, pedwarn_with_file_and_line,
6031 error_with_file_and_line, warning_with_file_and_line, sorry,
6032 error_for_asm, warning_for_asm, fatal): Reimplement.
6033 (finish_diagnostic): Clear diagnostic info as well.
6035 2000-07-13 Neil Booth <NeilB@earthling.net>
6037 * c-common.h (flag_digraphs): New.
6038 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6039 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6042 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6044 * gcc.c (do_spec_1): Add new %B operator.
6045 (set_input): Prepare for %B.
6047 (link_command_spec): Move up with the other tm.h-
6048 overrideable specs. Factor out the portion conditional on
6049 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6050 (struct compiler): Just have a single spec string. All users
6052 (default_compilers): Remove unnecessary braces.
6053 (static_specs): Update.
6055 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6057 (C and assembly specs): Use the new named specs, as appropriate.
6059 * objc/lang-specs.h: Use the new named specs.
6060 Remove unnecessary braces.
6062 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6064 * gcc.c (execute): If a subprocess gets a fatal signal, report
6065 strsignal() of the signal number, and ask for a bug report.
6066 Do not do this for SIGPIPE if there's already been an error.
6068 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6071 * tradcif.c: Remove.
6073 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6075 * final.c (profile_function): Do not emit profile counters in
6076 the data section, if NO_PROFILE_COUNTERS is defined.
6077 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6080 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6081 (FUNCTION_PROFILER): Just emit a call to mcount.
6083 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6085 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6087 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6088 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6089 traditional, lang_chill, or lang_fortran.
6091 * cppfiles.c: #undef strcmp to suppress warning about macros
6092 used without arguments.
6093 (_cpp_execute_include): Use f, not fname, in "No include path"
6095 (_cpp_pop_file_buffer): New function.
6096 * cpplib.c: Don't include <sys/mman.h>.
6097 (cpp_push_buffer): Set line_base and lineno in new buffer.
6098 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6100 * cpplex.c: Move all prototypes and structure declarations to the
6101 top of the file. Properly parenthesise some macro arguments.
6102 (cpp_scan_line): New function.
6103 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6104 don't need to walk up the stack counting.
6106 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6108 * c-common.c (combine_strings): Emit a pedantic warning when a
6109 string length is greater than the minimum ANSI C is required
6112 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6114 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6115 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6117 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6119 * c-decl.c (define_label): Warn about identifier conflicts with
6120 labels in traditional C.
6122 * c-parse.in (unop +): Warn about the unary plus operator for
6125 * c-typeck.c (store_init_value): Warn about automatic aggregate
6126 initialization for traditional C.
6128 * invoke.texi (-Wtraditional): Document new warnings.
6130 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6132 * Makefile.in (c-errors.o): Fix thinko in dependency.
6134 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6136 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6137 -traditional, -ftraditional, or -traditional-cpp was given.
6138 Do not pass -traditional to the preprocessor.
6139 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6140 preprocessor does it automatically.
6141 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6143 * ch/lang-specs.h: Always use tradcpp. Do not pass
6144 -traditional, -trigraphs, or -pedantic to the preprocessor.
6145 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6148 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6150 * cppexp.c (LOGICAL): Delete macro.
6151 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6154 * cpphash.c (HASHSIZE): Increase to 4096.
6155 (struct hashdummy): Add hash field.
6156 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6157 the string values using memcmp.
6158 (cpp_lookup): Set dummy.hash.
6160 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6162 * configure.in (m88k-openbsd): Express configuration using new fragment
6164 * configure: Rebuilt.
6165 * m88k/aout-dbx.h: New.
6166 * m88k/openbsd.h: New.
6167 * m88k/xm-openbsd.h: New.
6169 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6171 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6173 2000-07-12 Richard Henderson <rth@cygnus.com>
6175 * reload.c (push_secondary_reload): Make sure to add the new
6176 reload at the end, after acquiring secondary memory.
6178 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6180 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6182 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6183 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6185 * c-parse.in (stmt): Delete unused variables.
6187 * convert.c (convert_to_vector): Likewise.
6189 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6191 * tree.c (finish_vector_type): Prototype.
6193 2000-07-12 Bruce Korb <bkorb@gnu.org>
6195 * fixinc/fixfixes.c: use xmalloc
6196 * fixinc/fixincl.c(initialize): set program name for xmalloc
6197 * fixinc/fixlib.c(must_malloc): obsolete
6198 (is_cxx_header): no longer used - disabled
6199 (skip_quote): inserted and disabled for future use
6200 * fixinc/fixlib.h: reflects above
6201 * fixinc/fixtests.c: removed dinkleberries
6203 2000-07-12 Neil Booth <NeilB@earthling.net>
6205 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6206 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6208 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6209 struct toklist_dummy): New.
6210 (cpp_free_definition): Free macros with free_macro.
6211 (count_params): Don't save paramter spellings. Save macro
6212 information in a struct macro_info.
6213 (parse_define): Don't allocate a token list.
6214 (save_expansion): Allocate the macro's token list, and
6215 save parameter spellings if necessary. Use TOKEN_SPELL.
6216 (cpp_create_definition): Make list const.
6218 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6220 * c-typeck.c (pedwarn_c99): Move to
6221 * c-errors.c: ... Here.
6222 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6223 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6224 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6225 (c-errors.o): List dependency.
6227 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6229 * c-parse.c: Remove.
6230 * c-parse.h: Likewise.
6231 * c-parse.y: Likewise.
6232 * objc/objc-parse.c: Likewise.
6233 * objc/objc-pasre.y: Likewise.
6235 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6237 * gcc.texi: Fix minor typos
6238 * extend.texi: Fix minor typos
6240 2000-07-11 Marc Espie <espie@openbsd.org>
6242 * collect2.c (main): Recognize .lo as object files.
6244 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6246 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6249 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6250 with MAP_ANONYMOUS and MAP_ANON.
6251 * configure, config.in: Rebuilt.
6253 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6255 * diagnostic.c (save_output_state): Remove.
6256 (restore_output_state): Likewise.
6257 (clear_text_info): New function.
6258 (clear_diagnostic_info): Likewise.
6259 (output_text_length, is_starting_newline, output_prefix,
6260 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6261 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6262 (set_real_maximum_length, output_set_maximum_length,
6263 output_set_prefix, output_get_prefix, output_set_maximum_length,
6264 output_destroy_prefix, init_output_buffer,
6265 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6266 output_add_newline, output_add_character, output_add_space,
6267 output_append_r, output_append, wrap_text, output_format,
6268 output_do_printf, output_printf, output_do_verbatim,
6269 output_verbatim, verbatim): Use them.
6270 (output_clear): Split into cleat_text_info and
6271 clear_diagnostic_info.
6272 (struct output_state): Move to...
6274 * diagnostic.h: ...Here
6275 (struct output_buffer): Adjust.
6277 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6279 * cpplex.c (parse_name): No longer inline (premature optimization).
6280 (do_pop_context): Fold into pop_context.
6281 (pop_context): Returns int.
6282 (lex_next): Hoist test for end of directive into pop_context.
6283 (push_macro_context): Returns int; takes just reader and token.
6284 Hoist test for excessive nesting to caller.
6285 (push_arg_context): Returns void; takes just reader and token.
6286 Do not call stringify_arg or get_raw_token.
6287 (get_raw_token): Convert tail recursion through push_arg_context
6288 to a loop at this level. Call stringify_arg here if appropriate.
6289 (maybe_paste_with_next): Convert tail recursion to a while loop.
6290 Hoist test of paste_level to caller.
6292 (stringify_arg): Push arg context at beginning.
6293 (cpp_get_token): Split out core into _cpp_get_token. Call
6294 process_directive here. Throw away CPP_PLACEMARKER tokens.
6295 (_cpp_get_token): Convert tail recursion through
6296 push_macro_context to a loop at this level.
6297 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6298 _cpp_get_raw_token): Use _cpp_get_token.
6299 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6300 not call pop_context.
6301 (_cpp_run_directive): Call lex_next directly.
6303 * cpphash.h: Prototype _cpp_get_token.
6304 * cppexp.c (lex): Use it.
6305 * cpphash.c (parse_define): Use it.
6306 * cpplib.c (get_define_node, do_undef, parse_include,
6307 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6308 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6309 parse_ifdef, validate_else): Use it.
6310 (cpp_push_buffer): Tweak error message; abort if anyone tries
6311 to push a buffer while macro expansions are stacked.
6313 2000-07-11 Donn Terry <donnte@microsoft.com>
6315 * cpplex.c (free_macro_args, save_token): Cast arg of free
6316 and/or xrealloc to PTR.
6317 (_cpp_init_input_buffer): Clear all fields of the base context.
6319 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6321 * gensupport.c (process_rtx): Make rtl checking stop
6322 complaining about the define_insn while it is being
6323 converted from a define_insn_and_split.
6325 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6327 * config/mips/mips.c (simple_memory_operand): Access the
6328 INTVAL of the address, not it's containing MEM.
6330 2000-07-11 Bruce Korb <bkorb@gnu.org>
6332 * fixinc/fixtests.c(double_slash): obsolete
6333 (else_endif_label): likewise
6334 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6335 (libc1_ifdefd_memx): correct initial comment
6336 and omit the #if/#endif pair from the memxxx declarations
6337 * fixinc/fixincl.x: regen
6339 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6341 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6343 2000-07-11 Neil Booth <NeilB@earthling.net>
6347 2000-07-11 Neil Booth <NeilB@earthling.net>
6349 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6350 (handle_option): Set digraphs according to standard.
6351 Merge OPT_lang_c89 handler with OPT_std_c89.
6353 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6354 accordance with the digraphs flag.
6356 * cpplib.h: (struct cpp_options): New option digraphs.
6358 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6359 Bruce Korb <bkorb@gnu.org>
6361 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6362 * fixinc/fixincl.x: Regenerate.
6363 * fixinc/tests/base/testing.h: Add testcase.
6365 2000-07-10 Richard Henderson <rth@cygnus.com>
6367 * config/ia64/ia64.c (got_symbolic_operand): New.
6368 (symbolic_operand, move_operand): Revert 0701 change.
6369 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6370 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6371 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6372 split the offset into a 14-bit low part instead of a 13-bit low part.
6373 (load_fptr): Mark the mem as unchanging.
6374 (load_symptr): Use got_symbolic_operand.
6376 2000-07-10 Nick Clifton <nickc@cygnus.com>
6378 * libgcc2.c (next_stack_level): Cast result of computation to
6379 (void **) so that the assignment does not generate a warning.
6381 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6383 * flags.h : Add new variable flag_single_precision_constant.
6384 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6385 (flag_single_precision_constant): New.
6386 * c-lex.c (yylex): Convert floating point constant to single
6388 * invoke.texi : Add documentation for this new option.
6390 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6392 * diagnostic.c (output_octal): Second parameter is unsigned.
6393 (output_long_octal): Likewise.
6394 (output_hexadecimal): Likewise.
6395 (output_long_hexadecimal): Likewise.
6396 (output_format): Adjust arguments extraction. Tweak.
6397 (output_verbatim, verbatim): End variable argument list.
6398 (report_diagnostic): Improve documentation.
6400 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6402 * c-common.h (build_stmt): Declare.
6403 (build_continue_stmt): Likewise.
6404 (build_break_stmt): Likewise.
6405 (build_return_stmt): Likewise.
6407 * c-decl.c (do_case): Rewrite to do what previously done in
6410 * c-semantics.c (build_stmt): Define.
6411 (build_return_stmt): Likewise.
6412 (build_break_stmt): Likewise.
6413 (build_continue_stmt): Likewise.
6414 (build_case_label): Likewise.
6416 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6417 (CONTINUE): Likewise.
6420 (DEFAULT): Likewise.
6422 * c-parse.y: Regenerate.
6423 * c-pasre.c: Likewise.
6425 2000-07-09 Jason Merrill <jason@redhat.com>
6427 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6429 * tree.h (STRIP_NOPS): Check for error_mark_node.
6430 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6431 (dwarf2out_*): Remove duplicate declarations.
6433 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6434 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6436 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6438 * diagnostic.c (wrap_text): New function.
6439 (maybe_wrap_text): Likewise.
6440 (output_add_string): Use it.
6441 (output_format): Likewise.
6442 (count_error): Use verbatim instead of notice.
6443 (report_error_function): Likewise. Don't use plain fprintf.
6444 (finish_diagnostic): New function.
6445 (output_do_verbatim): Tweak. Commonalize functionalities in
6446 output_verbatim and verbatim.
6447 (output_verbatim): Adjust.
6448 (verbatim): Likewise.
6449 (report_diagnostic): Define.
6451 * diagnostic.h (report_diagnostic): Prototype.
6453 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6455 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
6457 2000-07-09 Neil Booth <NeilB@earthling.net>
6459 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
6460 IShspace, ISspace: Update.
6462 * cppinit.c: ISTABLE: Update.
6465 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
6466 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
6467 (skip_block_comment, skip_line_comment, parse_string,
6468 lex_line): Use is_vspace rather than IS_NEWLINE.
6469 (skip_whitespace, lex_line): Clean up to use is_nvspace.
6470 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
6472 (lex_next): Unconditionally stop if within a directive.
6473 Treat directives within macro invocations as directives
6474 (after parse_args emits error), not as the argument.
6476 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
6478 * diagnostic.c (diagnostic_args): New macro.
6479 (diagnostic_msg): Likewise.
6480 (output_formatted_integer): Likewise.
6481 (output_state): New data type.
6482 (digit_buffer): Make global.
6483 (output_add_integer): Rename to output_decimal. Squeeze
6485 (output_long_decimal, output_unsigned_decimal,
6486 output_long_unsigned_decimal, output_octal, output_long_octal,
6487 output_hexadecimal, output_long_hexadecimal): New functions.
6488 (output_append_r): New function.
6489 (output_append): Tweak.
6490 (output_flush_on): Rename to output_to_stream.
6491 (output_format): Change prototype. Improve documentation. Handle
6492 more format specifiers.
6493 (build_location_prefix): Rename to context_as_prefix.
6494 (output_notice): Rename to output_do_printf.
6495 (output_printf): Tweak.
6496 (line_wrapper_printf): Likewise.
6497 (vline_wrapper_message_with_location): Adjust call to renamed
6499 (v_message_with_decl): Likewise.
6500 (default_print_error_function): Likewise.
6501 (save_output_state): New function.
6502 (restore_output_state): Likewise.
6503 (output_do_verbatim): Likewise.
6504 (output_verbatim): Define.
6505 (verbatim): Likewise.
6507 * diagnostic.h (printer_fn): Change return type from void to int.
6508 Improve documentation.
6509 (output_add_integer): Rename to output_decimal.
6510 (output_flush_on, output_format): Don't export.
6511 (output_verbatim, verbatim): Declare.
6513 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
6515 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
6516 Check whether c divides op1 exactly if operation is not
6519 2000-07-08 Richard Henderson <rth@cygnus.com>
6521 * final.c (final): Do not abort when reg-stack introduces
6524 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
6526 * cpplib.h (struct cpp_name): Now struct cpp_string.
6527 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
6528 CPP_HEADER_NAME): Change to type S.
6529 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
6530 field, a cpp_hashnode *. All references to val.name updated
6531 to use val.str or val.node as appropriate.
6532 (struct cpp_reader): Add spec_nodes field.
6533 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
6535 * cpphash.h (struct spec_nodes): New.
6536 (enum spell_type): Reorder. Only SPELL_STRING tokens use
6537 val.str. All references to 'spelling > SPELL_NONE' updated to
6540 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
6541 pfile->buffer->inc are not NULL before dereferencing them.
6543 * cpplex.c (parse_name): Take a pointer to the current token,
6544 plus current position and limit as args; return the new
6545 position; don't copy the text of a name into the string
6546 buffer, instead call cpp_lookup and store the node pointer.
6547 If extending a token, copy out the text of the old into a
6548 scratch buffer, append the new, look that up and store the new
6549 node pointer. Inline.
6550 (maybe_paste_with_next): If the result of paste is a NAME,
6551 then look up the pasted text and store its node pointer.
6552 (lex_line): Adjust for new parse_name interface.
6553 Check for L"str", L'str' using spec_nodes->n_L.
6554 (spell_token): SPELL_IDENT tokens have their spelling in
6555 val.node->name. Handle SPELL_STRING tokens that don't have
6557 (_cpp_expand_name_space,
6558 (can_paste): Check for L ## "str" using spec_nodes->n_L.
6559 (cpp_get_token, special_symbol): No need to call cpp_lookup.
6560 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
6561 return 1=equal 0=not, not a tristate.
6563 * cpphash.c (var_args_str): Delete.
6564 (find_param): Compare node fields directly.
6565 (is__va_args__): Use CPP_PEDANTIC. Just compare
6566 token->val.node with spec_nodes->n__VA_ARGS__.
6567 (dump_funlike_macro): Don't use var_args_str.
6569 * cpplib.c (_cpp_check_directive): Just walk through
6570 spec_nodes->dirs comparing pointers.
6571 (get_define_node, do_pragma_poison, detect_if_not_defined,
6572 parse_ifdef): The identifier has already been looked up.
6573 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
6575 (do_if): Only call detect_if_not_defined at beginning of file.
6576 (_cpp_parse_assertion): Only copy string pointers for
6577 SPELL_STRING tokens.
6578 (pragma_dispatch): Take a node pointer and examine its name
6580 (_cpp_init_stacks): Also initialize the spec_nodes structure.
6582 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
6584 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
6585 reverse order from the corresponding _cpp_init_* routines.
6587 * cppexp.c (parse_number, parse_charconst, parse_defined,
6588 lex): Check val.node->type instead of calling cpp_defined.
6589 Use spec_nodes entries where appropriate.
6591 * fix-header.c, scan-decls.c: Update for interface changes.
6593 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
6595 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
6596 emitting aux_truncdfsf2.
6598 2000-07-03 Donn Terry (donnte@microsoft.com)
6600 * cppinit.c (print_help): split overlong line into ISO C89
6603 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6605 * cppexp.c: Update all code for new lexer interface.
6606 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
6607 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
6608 * cpplex.c (token_names): Trim leading CPP_ from names; make
6609 the strings unsigned.
6610 (_cpp_spell_operator): New.
6611 (is_macro_disabled): Disable all macros if rescanning
6613 (_cpp_get_directive_token): Remove.
6615 * cppinit.c: Don't set no_macro_expand.
6616 * cpplib.c (read_line_number, do_line): Check only for EOF,
6618 * cpphash.h: Update prototypes.
6619 * cpplib.h (CPP_VSPACE): Remove.
6620 (struct cpp_reader): Remove no_macro_expand.
6622 2000-07-08 Neil Booth <NeilB@earthling.net>
6624 * cpphash.c (is__va_args__): New function.
6625 (count_params): Fix line reported in error messages. Use
6626 is__va_args__. Don't return ')' on error. Flag GNU style
6627 rest args macro definitions.
6628 (parse_define): Check macro name is not __VA_ARGS__.
6629 (save_expansion): Check identifier in non-varargs-macro is
6630 not __VA_ARGS__. Don't flag GNU_VARARGS.
6631 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
6632 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
6633 than per-token GNU_VARARGS.
6634 * cpplib.h (GNU_VARARGS): Remove.
6635 (GNU_REST_ARGS): New.
6637 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6639 * i386.md (call_pop, call, call_value_pop): Do not set
6640 current_function_uses_pic_offset_table for calls to static
6641 functions or indirect calls.
6643 2000-07-07 Jim Wilson <wilson@cygnus.com>
6645 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
6646 is_predicate_reg, then take max write_count of register pair.
6648 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6650 * tradcpp.c (main): Rename label `include' to `add_include' to
6651 avoid conflicts with variable `include' in traditional C.
6653 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6655 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
6657 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6659 * sibcall.c (uses_addressof): Add INMEM argument, check for
6660 current_function_internal_arg_pointer outside of MEM rtxs in addition
6662 (sequence_uses_addressof): Update caller.
6664 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6666 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
6669 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6671 * system.h (UNION_INIT_ZERO): New macro for initializing union
6674 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
6676 2000-07-07 Neil Booth <NeilB@earthling.net>
6680 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
6682 * final.c (final): Detect out of bounds array access to
6683 the insn_lengths array.
6685 2000-07-07 Kazu Hirata <kazu@hxi.com>
6687 * fold-const.c (fold): Fix a comment typo.
6689 2000-07-07 Neil Booth <NeilB@earthling.net>
6691 * cpp.texi: Update to new lexer.
6693 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6695 * tradcpp.c: New file.
6696 * tradcif.y: New file.
6697 * tradcif.c: New generated file.
6699 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
6700 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
6701 dependencies of C. Install tradcpp from install-common, in
6704 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6706 * cppinit.c: Include cppdefault.h. Refer to
6707 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
6708 to GCC_INCLUDE_DIR and its length.
6709 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
6710 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
6711 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
6713 (include_defaults_array): Move to cppdefault.c.
6715 * cppdefault.h: New file.
6716 * cppdefault.c: New file.
6718 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
6719 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
6720 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
6723 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6725 * reload.c (push_reload): When seeing if can reuse a register,
6726 check extra registers against widest of INMODE and OUTMODE.
6728 2000-07-06 Neil Booth <NeilB@earthling.net>
6730 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
6731 based on full length of predicate.
6733 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
6735 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
6736 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
6738 2000-07-05 Kazu Hirata <kazu@hxi.com>
6740 * h8300-proto.h: Fix formatting.
6741 * h8300.c: Likewise.
6742 * h8300.h: Likewise.
6744 2000-07-05 Jim Wilson <wilson@cygnus.com>
6746 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
6749 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
6751 * invoke.texi: Fix minor typos
6752 * md.texi: Fix minor typos
6754 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
6756 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
6758 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
6760 * cpplex.c: Don't include sys/mman.h.
6761 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
6763 * cpplib.c: Include sys/mman.h and obstack.h.
6764 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
6766 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
6767 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
6768 bother freeing if stack entries (they will be freed with their buffer).
6769 (do_endif): Free if stack entries from the buffer obstack.
6770 (push_conditional): Allocate if stack entries from the buffer obstack.
6772 (find_answer): Rename to _cpp_find_answer.
6773 (do_assert, do_unassert): Update.
6775 * cpphash.h: Update prototypes.
6776 (xobnew): New convenience macro.
6777 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
6779 (struct cpp_hashnode): Remove disabled field.
6781 * cppinit.c: Don't include hashtab.h or splay-tree.h.
6782 (report_missing_guard): Moved to cppfiles.c.
6783 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
6785 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
6786 cpp_cleanup_includes. Don't destroy hashtab or
6787 all_include_files here.
6788 (cpp_finish): Use _cpp_report_missing_guards.
6790 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
6791 (_cpp_init_include_table): Rename _cpp_init_includes.
6792 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
6794 * cppexp.c (parse_assertion): Update for new name of
6797 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
6799 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
6801 * cpplib.c (do_ident): s/VSPACE/EOF/
6803 2000-07-05 Neil Booth <NeilB@earthling.net>
6805 * cpplex.c: Fix trigraph replacement within strings.
6807 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6809 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
6811 * xcoffout.c (assign_type_number): Constify.
6812 (xcoffout_source_file): Add static prototype. Don't needlessly
6813 cast away const-ness.
6815 2000-07-04 Jason Merrill <jason@redhat.com>
6817 * frame.h (frame_state): Move base_offset to end.
6819 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
6821 * calls.c (emit_library_call_value_1): Revert previous change.
6823 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
6825 * fix-header.c (struct partial_proto): Remove unnecessary fields.
6826 (recognized_extern, recognized_function, read_scan_file):
6827 Update for new scheme.
6828 (check_protection): It's still a multiple include guard even
6829 if it doesn't always trigger.
6830 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
6832 * scan.h: Declare struct cpp_token. Update prototypes.
6834 2000-07-03 Neil Booth <neilb@earthling.net>
6835 Zack Weinberg <zack@wolery.cumb.org>
6837 Complete overhaul of the lexer and macro expander.
6839 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
6840 arg, arglist, argdata, reflist, collect_objlike_expansion,
6841 collect_funlike_expansion, collect_params,
6842 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
6843 unsafe_chars, macarg, compare_defs, special_symbol,
6844 scan_arguments, stringify, funlike_macroexpand,
6845 _cpp_quote_string, monthnames): Delete.
6846 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
6847 _cpp_create_definition, _cpp_dump_definition,
6848 dump_hash_helper): Adjust.
6849 (find_param, count_params, parse_define, var_args_str,
6850 check_macro_redefinition, save_expansion): New.
6852 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
6853 parse_string, output_line_command, trigraph_replace,
6854 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
6855 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
6856 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
6857 _cpp_skip_rest_of_line): Modify.
6859 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
6860 find_position, null_warning, bump_column, expand_name_space,
6861 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
6862 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
6863 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
6864 _cpp_prescan): Delete.
6866 (dump_param_spelling, process_directive, lex_next,
6867 is_macro_disabled, stringify_arg, expand_context_stack,
6868 output_token, make_string_token, alloc_number_token,
6869 special_symbol, duplicate_token, maybe_paste_with_next,
6870 can_paste, prevent_macro_expansion, restore_macro_expansion,
6871 get_temp_token, release_temp_tokens, quote_string,
6872 token_names, token_spellings, _cpp_expand_name_space,
6873 _cpp_glue_header_name, _cpp_reserve_name_space,
6874 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
6875 placemarker_token, eof_token, cpp_context, macro_args,
6876 get_raw_token, parse_arg, parse_args, save_token,
6877 push_arg_context, push_macro_context, pop_context,
6878 do_pop_context, free_macro_args, _cpp_get_line,
6879 _cpp_run_directive): New.
6881 * cpplib.c (validate_else, parse_include, push_conditional,
6882 pass_thru_directive, read_line_number, parse_ifdef,
6883 detect_if_not_defined, _cpp_check_directive, do_define,
6884 do_undef, do_include, do_import, do_include_next, do_error,
6885 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
6886 top_pragmas, do_pragma_gcc, do_pragma_implementation,
6887 do_pragma_poison, do_pragma_system_header,
6888 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
6889 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
6890 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
6891 cpp_defined): Update for new scheme.
6892 (strtoul_for_line, get_define_node, dump_macro_name,
6893 _cpp_check_linemarker, _cpp_parse_assertion): New.
6894 (_cpp_handle_directive, do_pragma_default): Delete.
6896 * cpphash.h (struct predicate): Now struct answer.
6897 (enum spell_type, struct token_spelling, struct directive,
6898 directive_handler): New.
6899 Update prototypes. Remove unused macros.
6900 * cpplib.h: Update prototypes. Remove unused macros,
6901 structure definitions, and fields.
6903 * cpperror.c (print_containing_files, v_message): Adjust.
6904 * cppexp.c (parse_assertion, lex, parse_escape,
6905 _cpp_parse_expr): Adjust.
6906 * cppfiles.c (open_include_file, _cpp_execute_include,
6907 _cpp_compare_file_date, cpp_read_file, read_include_file):
6909 * cppinit.c (dump_special_to_buffer): Delete.
6910 (append_include_chain, merge_include_chains, cpp_reader_init,
6911 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
6912 cpp_finish, handle_option, print_help): Adjust.
6913 * cppmain.c (main): Adjust.
6915 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
6917 * cppspec.c (lang_specific_driver): Use double quotes in error
6920 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
6922 * calls.c (emit_library_call_value_1): Use valreg instead
6923 of hard_libcall_value.
6925 2000-07-03 Geoff Keating <geoffk@cygnus.com>
6927 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
6928 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
6929 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
6937 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
6938 mode instead of wider_mode is being used.
6940 2000-07-03 Jakub Jelinek <jakub@redhat.com>
6942 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
6943 of 'r'. Use q_regs_operand.
6944 (andsi_1+2): Use q_regs_operand.
6946 2000-07-03 Jakub Jelinek <jakub@redhat.com>
6948 * builtins.c (get_memory_rtx): Always put into alias set 0.
6950 2000-07-03 Nick Clifton <nickc@cygnus.com>
6952 * config/arm/arm.md: Fix post increment and pre increment
6953 peepholes so that they do not generate UNPREDICATBLE opcodes.
6954 (ie ones where the increment clobbers the source/destination).
6956 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
6958 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
6959 change too big for -mtiny-stack" a warning, if larger than 63.
6960 (out_set_stack_ptr): Change the logic so -mno-interrupts is
6961 always safe to use on possible future devices.
6962 (function_prologue): Write SPH before SPL, for consistency.
6963 If interrupt_func_p true, we know we have enabled interrupts.
6964 (avr_num_arg_regs): New function. Round up to even number of
6965 bytes if no -mpack-args or if calling a libgcc function.
6966 (function_arg, function_arg_advance): Use it.
6967 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
6968 Output "movw" if available.
6969 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
6970 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
6971 (asm_output_section_name): Add blanks for consistent output.
6972 (encode_section_info): Set TREE_READONLY for progmem data to
6973 avoid gas warnings about changed section attributes.
6974 (avr_hard_regno_mode_ok): Force non-QImode data to start in
6975 even numbered registers on devices with "movw".
6976 * config/avr/avr.h (MASK_*): Define bits for target_flags.
6977 (TARGET_SWITCHES): Mark help strings for translation.
6978 Add new -mpack-args and -menhanced switches.
6979 (TARGET_OPTIONS): Mark help strings for translation.
6980 (progmem_section): Add section attributes.
6981 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
6982 Output "movw" if available.
6983 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
6985 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
6986 call convention (arguments aligned on even registers).
6987 (_cleanup, _exit): Make weak symbols libc can override.
6989 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6991 * fp-bit.h: New file.
6993 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
6994 Comment #endif statements.
6995 (__thenan_sf, __thenan_df): Add missing braces around initializer.
6997 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
6999 * gcse.c (compute_pre_data): Compute ae_kill using other local
7000 properties instead of calling compute_ae_kill.
7002 * alias.c (init_alias_analysis): Do not call
7003 prologue_epilogue_contains until after reload has completed.
7005 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7007 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7008 (genrtl_finish_compound_stmt): Likewise.
7009 (genrtl_compound_stmt): Change to return void.
7011 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7012 move code from here to ...
7013 (genrtl_compound_stmt): ... here.
7014 (genrtl_finish_compound_stmt): Remove.
7015 (expand_stmt): Add comment.
7017 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7019 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7022 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7024 * cpplib.h (struct cpp_reader): New field include_depth.
7025 (struct cpp_printer): Rename last_bsd to last_id.
7026 * cppfiles.c (read_include_file): Bump include_depth.
7027 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7028 (output_line_command): Output correct #line if a header
7029 is including itself and is not protected against multiple inclusion.
7030 Use include_depth instead of buffer_stack_depth, last_id instead of
7032 * cppinit.c (cpp_start_read): Initialize last_id instead of
7035 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7037 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7038 (c-semantics.o): New target.
7040 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7041 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7042 (genrtl_clear_out_block): Likewise.
7043 (genrtl_goto_stmt): Likewise.
7044 (genrtl_expr_stmt): Likewise.
7045 (genrtl_decl_stmt): Likewise.
7046 (genrtl_if_stmt): Likewise.
7047 (genrtl_while_stmt): Likewise.
7048 (genrtl_do_stmt): Likewise.
7049 (genrtl_return_stmt): Likewise.
7050 (genrtl_for_stmt): Likewise.
7051 (genrtl_break_stmt): Likewise.
7052 (genrtl_continue_stmt): Likewise.
7053 (genrtl_scope_stmt): Likewise.
7054 (genrtl_switch_stmt): Likewise.
7055 (genrtl_case_label): Likewise.
7056 (genrtl_begin_compound_stmt): Likewise.
7057 (gerntl_finish_compound_stmt): Likewise.
7058 (genrtl_compound_stmt): Likewise.
7059 (genrtl_asm_stmt): Likewise.
7060 (genrtl_decl_cleanup): Likewise.
7061 (DECL_ANON_UNION_ELEMS): Likewise.
7062 (emit_local_var): Likewise.
7063 (make_rtl_for_local_static): Likewise.
7064 (expand_cond): Likewise.
7065 (expand_stmt): Likewise.
7066 (c_expand_return): Likewise.
7067 (c_expand_start_case): Likewise.
7068 (do_case): Likewise.
7069 (COMPOUND_STMT_NO_SCOPE): Likewise.
7070 (c_expand_asm_operands): Likewise.
7071 (NEW_FOR_SCOPE_P): New macro.
7072 (expand_expr_stmt_fn): New type.
7074 (set_current_function_name_declared): Likewise.
7075 (current_function_name_declared): Likewise.
7076 (lang_expand_stmt): Likewise.
7077 (stmts_are_full_exprs_p): Likewise.
7078 (anon_aggr_type_p): Likewise.
7079 (lang_expand_expr_stmt): Likewise.
7080 (build_case_label): Likewise.
7082 * c-decl.c (lang_expand_expr_stmt): Initialize.
7083 (stmts_are_full_exprs_p): Define.
7084 (current_function_name_declared): Likewise.
7085 (do_case): Likewise.
7086 (lang_expand_stmt): Likewise.
7087 (set_current_function_name_declared): Likewise.
7088 (anon_aggr_type_p): Likewise.
7090 * c-semantics.c: New file.
7091 (expand_cond): Moved from cp/semantics.c.
7092 (genrtl_do_pushlevel): Likewise.
7093 (genrtl_clear_out_block): Likewise.
7094 (genrtl_goto_stmt): Likewise.
7095 (genrtl_expr_stmt): Likewise.
7096 (genrtl_decl_stmt): Likewise.
7097 (genrtl_if_stmt): Likewise.
7098 (genrtl_while_stmt): Likewise.
7099 (genrtl_do_stmt): Likewise.
7100 (genrtl_return_stmt): Likewise.
7101 (genrtl_for_stmt): Likewise.
7102 (genrtl_break_stmt): Likewise.
7103 (genrtl_continue_stmt): Likewise.
7104 (genrtl_scope_stmt): Likewise.
7105 (genrtl_switch_stmt): Likewise.
7106 (genrtl_case_label): Likewise.
7107 (genrtl_begin_compound_stmt): Likewise.
7108 (genrtl_finish_compound_stmt): Likewise.
7109 (genrtl_compound_stmt): Likewise.
7110 (genrtl_asm_stmt): Likewise.
7111 (genrtl_decl_cleanup): Likewise.
7112 (make_rtl_for_local_static): Moved from cp/decl.c.
7113 (emit_local_var): Likewise.
7114 (expand_stmt): Define.
7116 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7117 (c_expand_return): Likewise.
7118 (c_expand_start_case): Likewise.
7120 2000-07-01 Richard Henderson <rth@cygnus.com>
7122 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7123 with the low 13 bits set.
7124 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7125 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7126 of the low 13 bits into a CONST plus an adddi3.
7127 (load_symptr): Set RTX_UNCHANGING_P.
7129 See ChangeLog.3 for earlier changes.