1 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3 * extend.texi: Udate for CPP.
5 2001-01-13 Andreas Jaeger <aj@suse.de>
7 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9 * regmove.c: Add prototype for replace_in_call_usage.
11 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
13 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
14 struct cpp_chunk, struct htab, struct toklist,
15 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
16 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
17 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
18 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
19 (struct macro_args): Delete.
20 * cpphash.h: See above.
22 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
24 * cppmain.c (struct printer): Remove no_line_dirs.
26 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
27 : Use options rather than CPP_OPTION.
28 (setup_callbacks): Use cb rather than pfile->cb.
29 (main): No need to check for a buffer. Use cpp_errors.
30 (printer_init): Don't set no_line_dirs.
31 (maybe_print_line): Use options not no_line_dirs.
32 (cb_file_change): Don't call print_line if -P.
34 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
36 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
38 * c-parse.in (finish_parse): Use cpp_errors.
39 (__yylex): Use return value of cpp_pop_buffer.
40 * cp/lex.c (finish_parse): Use cpp_errors.
41 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
43 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
45 * README.AVR: URLs corrected.
47 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
49 * c-decl.c (start_function): Don't warn if old prototype is builtin
50 that's not in C's namespace.
51 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
52 (_bb): Add prototype for ctime.
53 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
55 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
57 * i386.c (ix86_fp_comparison_arithmetics_cost,
58 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
59 ix86_fp_comparison_cost): New functions.
60 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
61 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
62 two-branch sequences; make static.
63 (ix86_use_fcomi_compare): Do decision according to the costs.
64 (split_fp_branch): New.
65 * i386.md (compare-and-branch patterns): Use split_fp_branch.
66 * i386-protos.h (ix86_expand_fp_compare): Remove
67 (ix86_split_fp_branch): Declare.
69 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
70 and ix86_comparison_operator.
72 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
75 * i386.c (put_condition_code): Output properly the unordered/ordered
77 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
79 * tm.texi (REVERSE_CONDITION): Document.
80 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
82 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
84 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
86 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
88 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
91 * config/sh/sh.c (mova_p): Fix test for mova_const.
93 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
95 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
96 cpp_get_options rather than dereferencing pfile and using
98 * scan-decls.c (scan_decls): Use return value of
99 cpp_pop_buffer rather than CPP_BUFFER.
101 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
103 * cppinit.c (cpp_handle_option): help_only is now part of the
104 cpp_options structure.
105 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
106 cpp_set_callbacks): New functions.
107 * cpplib.h (cpp_callbacks): Break out as a named structure.
108 (cpp_options): Move help_only here from cpp_reader.
109 (CPP_FATAL_ERRORS): Update to use cpp_errors.
110 (cpp_errors, cpp_get_options, cpp_get_callbacks,
111 cpp_set_callbacks): New prototypes.
112 * cppmain.c (main): Update for help_only.
114 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
116 * Makefile.in (info, maintainer-clean, install-info, uninstall):
117 Also build and remove and install and uninstall c-tree.info and
119 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
120 ($(srcdir)/cppinternals.info): New target.
121 * c-tree.texi: Change file name used when makeinfo used without -o
122 from ir.info to c-tree.info. Add info directory entry.
123 * cppinternals.texi: Add info directory entry.
124 * .cvsignore: Update.
126 2001-01-12 Jakub Jelinek <jakub@redhat.com>
128 * c-typeck.c (store_init_value): Don't require constant initializer
129 elements with -pedantic -std=c99.
130 (digest_init): Change error about non-constant initializer elements
132 (constructor_range_end): Remove.
133 (constructor_incremental, designator_depth,
134 designator_errorneous): New variables.
135 (struct constructor_stack): Remove range_end, add incremental.
136 (struct constructor_range_stack, constructor_range_stack): New.
137 (struct initializer_stack): Add constructor_range_stack.
138 (finish_init): Set it.
139 (start_init): Likewise. require_constant_elements for non-static
140 trees only if not flag_isoc99.
141 (really_start_incremental_init): Remove constructor_range_end, add
142 constructor_incremental.
143 (pop_init_level): Likewise.
144 (push_init_level): Likewise. If implicit and the subobject had some
145 value set already, preinitialize the level with it.
146 Warn about missing braces only if not pushing due to designators.
147 (set_designator, push_range_stack): New functions.
148 (set_init_label): Use them.
149 (set_init_index): Likewise. Remove constructor_range_end.
150 Error if designator index is outside of array bounds.
151 (add_pending_init): Compare values of purpose index trees, not the
152 trees themselves. Allow overwriting of already initialized element.
153 Issue a warning if it had side-effects.
154 (set_nonincremental_init, set_nonincremental_init_from_string): New
156 (pending_init_member): Rename to...
157 (find_init_member): ...this function. Call set_nonincremental_init
158 if necessary. Compare values of purpose index trees, not the trees
159 themselves. Return the actual value, not just non-zero if something
161 (output_init_element): Remove checks for duplicates.
162 If field has zero size, only check the initializer for correctness.
163 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
164 if constructor_incremental is zero. Change error about initializers
165 not computable at load time into pedwarn.
166 (output_pending_init_elements): Compare bit positions, not
167 FIELD_DECLs to take into account zero-sized fields.
168 (process_init_element): Use constructor_range_stack to fill all
169 ranges in the designator lists from current level up.
170 * extend.texi: Update documentation for labeled elements.
172 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
174 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
175 to function usage for arguments passed by reference. Optimize
176 callee-copied arguments.
177 * regmove.c (replace_in_call_usage): New function.
178 (fixup_match_1): Call it.
179 * cse.c (cse_insn): Canonicalize registers in function usage.
180 * reload1.c (replace_pseudos_in_call_usage): New function.
183 * Makefile.in: Reverted yesterday's wrong patch. Installed the
186 2001-01-12 Jakub Jelinek <jakub@redhat.com>
188 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
191 2001-01-12 DJ Delorie <dj@redhat.com>
193 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
194 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
197 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
199 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
200 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
201 -std options alongside references to -ansi. Update some
202 documentation for C99.
205 2001-01-12 Andreas Jaeger <aj@suse.de>
207 * haifa-sched.c (restore_line_notes): Remove argument block B
209 * sched-ebb.c (schedule_ebb): Change caller.
210 * sched-rgn.c (schedule_region): Likewise.
211 * sched-int.h (restore_line_notes): Adjust prototype.
213 * loop.h: Remove wrong declaration of doloop_condition_get.
215 2001-01-12 Phil Edwards <pme@sources.redhat.com>
217 * extend.texi: Move C++-extension-related node from the C section
218 into the C++ section.
220 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
222 * extend.texi: Refer to an array of pointers to functions instead
225 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
226 Jan Hubicka <jh@suse.cz>
228 * combine.c (reversed_comparison): Fix typo in last patch.
230 (combine_reversed_comparison_code): Make static to follow
231 prototype declaration.
233 2001-01-12 Phil Edwards <pme@sources.redhat.com>
235 * install.texi: Remove misplaced duplicate entry.
237 2001-01-11 Ulrich Drepper <drepper@redhat.com>
239 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
241 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
243 * final.c: (leaf_function_p): Fix typo.
245 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
247 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
248 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
250 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
251 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
252 mmap_anon, and valloc is available.
253 * ggc-page.c: Restructure ifdef logic to match new autoconf
254 spec. Don't throw away the test page in init_ggc.
256 * configure, config.in: Regenerate.
258 2001-01-12 Michael Hayes <mhayes@redhat.com>
260 * loop.h (total_biv_increment): Constify iv_class pointer.
261 (struct induction): Replace `mem_mode' with `mem' rtx.
262 * unroll.c (total_biv_increment): Constify iv_class pointer.
263 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
264 (find_mem_givs, combine_givs_p): Likewise.
265 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
267 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
269 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
271 (__gthread_getspecific): Ditto.
273 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
275 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
276 put_condition_code): Convert fp comparison codes to integer
278 (ix86_expand_fp_compare): Postnote the fp comparison code converison
281 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
282 * i386-protos.h (no_comparison_operator): Kill.
284 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
286 * combine.c (REVERSIBLE_CC_MODE): Remove.
287 (reversible_comparison_p): Remove.
288 (combine_reversed_comparison_code): New.
289 (reversed_comparison): New.
290 (combine_simplify_rtx): Use
291 combine_reversed_comparison_code/reversed_comparison instead
292 of reversible_comparison_p.
293 (simplify_if_then_else): Likewise.
294 (simplify_set): Likewise.
295 (simplify_logical): Likewise.
296 (if_then_else_cond): Likewise.
297 (known_cond): Likewise.
298 (simplify_comparison): Likewise.
300 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
302 * builtins.c (std_expand_builtin_va_start): Handle varargs when
303 sizeof (int) is larger than sizeof(__word__).
305 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
307 * cppinit.c (do_includes): Fix typo.
309 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
311 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
312 in S_REGS does not occur because not all sources are possible
313 when a S_REGS is a destination (sometimes needs a clobber).
314 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
315 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
316 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
317 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
318 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
319 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
320 (lshrdi_const1, lshrsi3_const16): Likewise.
321 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
322 (*movhi_68hc12, *movqi_68hc12): Likewise.
323 (movstrictqi): Make sure reloading in D_REGS as a destination
326 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
328 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
330 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
332 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
333 -D, -U and -A, and don't initialize the builtins.
334 (do_includes): Error if -include or -imacros with -fpreprocessed.
335 * cppmain.c (cb_define, cb_undef): Unconditionally process
337 * tradcpp.c (main): Fix typo.
339 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
341 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
342 (read_name_map): Use IS_ABSOLUTE_PATH.
343 * tradcpp.c (get_filename): Likewise.
345 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
347 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
348 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
349 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
350 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
351 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
352 (cmphi_z_used): Don't use '@' for the output.
353 (tstqi_z_used): Likewise.
354 (cmpqi_z_used): Likewise.
355 (one_cmplsi2): Likewise.
357 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
359 * config/sh/sh.c (barrier_align): Recognize branch around far
360 branch and redundant insn.
362 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
364 * invoke.texi: Restore documentation of the drivers' switches -MD
367 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
369 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
371 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
372 check-objc//%): Support parallel testing of multilibs.
373 (TESTSUITEDIR): Set to testsuite by default, but override for
375 (check-gcc, check-g++, check-g77, check-objc): Enter
378 2001-01-11 Bernd Schmidt <bernds@redhat.com>
380 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
381 * sched-deps.c (deps_may_trap_p): Likewise.
382 * basic-block.h: Remove a comment.
383 * flow.c (PROP_POSTRELOAD): Remove.
384 (update_life_info): Don't add it to prop_flags.
385 (mark_set_1): Lose the code that was enabled by it.
387 2001-01-11 Michael Hayes <mhayes@redhat.com>
389 * flow.c (flow_call_edges_add): New.
390 * basic_block.h (flow_call_edges_add): New.
392 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
394 * reload1.c (move2add_note_store): Update reg_set_luid even if
395 base reg remains the same.
397 2001-01-10 Nick Clifton <nickc@redhat.com>
399 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
400 machine_function structure to zero.
401 Add prototypes for machine_status functions.
403 2001-01-10 Mark Mitchell <mark@codesourcery.com>
405 * c-common.h (CTI_VOID_LIST): Remove.
406 (void_list_node): Likewise.
407 * tree.h (TI_VOID_LIST_NODE): New enumeral.
408 (void_list_node): New macro.
409 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
410 * config/i386/i386.c (ix86_init_builtins): Likewise.
411 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
413 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
415 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
416 * cppinit.c (cpp_start_read): Update comment, remove unneeded
418 * tradcpp.c: Include mkdeps.h.
419 (deps, print_deps_phony_targets, deps_append, output_deps,
420 init_dependency_output, output_deps): New.
421 (deps_buffer, deps_allocated_size, deps_size, deps_column,
422 deps_output): Delete.
423 (print_deps_missing_files): Rename deps_missing_files.
424 (inhibit_output): Make global.
425 (main): Delete inhibit_output, deps_stream, deps_target.
426 Use mkdeps functionality in the same way as cpplib. Remove
427 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
428 -M and -MM. Remove old handling of deps via deps_out, and
429 old reading of environment variables.
430 (get_filename): Update to use deps_add_dep.
432 2001-01-10 Mark Mitchell <mark@codesourcery.com>
434 * output.h (make_function_rtl): Remove prototype.
435 (make_decl_rtl): Likewise.
436 * varasm.c (make_function_rtl): Remove.
437 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
438 than from a third parameter.
439 * tree.h (make_decl_rtl): Remove last parameter.
440 * c-decl.c (builtin_function): Remove last argument in call to
441 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
442 (start_function): Likewise.
443 * except.c (call_get_eh_context): Likewise.
444 * expr.c (emit_block_move): Likewise.
445 (clear_storage): Likewise.
446 * profile.c (output_func_start_profiler): Likewise.
447 * toplev.c (rest_of_decl_compilation): Likewise.
448 * objc/objc-act.c (create_builtin_decl): Likewise.
449 (synth_module_prologue): Likewise.
450 (generate_static_reference): Likewise.
451 (build_selector_reference_decl): Likewise.
452 (build_class_reference_decl): Likewise.
453 (build_objc_string_decl): Likewise.
454 (build_protocol_reference): Likewise.
456 2001-01-10 Richard Henderson <rth@redhat.com>
458 * hwint.h: Revert yesterday's change.
460 2001-01-10 Nick Clifton <nickc@redhat.com>
462 * function.h (save_machine_status): Delete.
463 (restore_machine_status): Delete.
464 Amend comment describing {init|mark|free}_machine_status.
466 * function.c (save_machine_status): Delete.
467 (restore_machine_status): Delete.
468 Amend comment describing {init|mark|free}_machine_status.
469 (push_function_context_to): Remove invocation of
471 (pop_function_context_from): Remove invocation of
472 restore_machine_status.
474 * emit-rtl.c (init_emit_once): Amend comment describing
475 {init|mark|free}_machine_status.
477 * tm.texi (Per-Function Data): New node. Describe the
478 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
481 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
483 * cppinit.c (OPT_g): Remove.
484 (cpp_handle_option): Update for removed -g3.
485 (print_help): Update.
486 * cpplib.h (struct cpp_options): Remove debug_output.
487 * cppmain.c (setup_callbacks, cb_define): Update.
488 * gcc.c (cpp_options): Translate -g3 to -dD.
490 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
492 * config/i960/i960.md: Change modifier to + on the zero_extract
493 pattern after the (rotate -2 reg) canonicalization pattern.
495 2001-01-10 Richard Henderson <rth@redhat.com>
497 * config/alpha/alpha.c (alpha_free_machine_status): New.
498 (override_options): Install it.
499 (alpha_mark_machine_status): Verify machine non-null.
500 * config/i386/i386.c (ix86_free_machine_status): New.
501 (override_options): Install it.
502 (ix86_init_machine_status): Use xcalloc.
503 (ix86_mark_machine_status): Verify machine non-null.
504 * config/ia64/ia64.c (ia64_free_machine_status): New.
505 (ia64_override_options): Install it.
506 (ia64_mark_machine_status): Verify machine non-null.
508 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
510 * function.c (instantiate_virtual_regs): Instantiate virtual
511 registers found in CALL_INSN_FUNCTION_USAGE.
513 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
515 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
516 equivalent to -ansi in disabling -Di386.
518 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
520 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
522 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
524 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
526 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
528 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
530 * invoke.texi: Document that -fcond-mismatch isn't supported for
533 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
535 * gcc.texi: Define macro gcctabopt.
536 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
537 @command, @env and @option in some places where appropriate. Use
538 @gcctabopt where appropriate. Put URLs and email addresses inside
541 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
543 * gcc.c (cpp_options): Set MD file name from output
544 filename, if specified.
545 (suffix_subst): New static variable.
547 (do_spec_1, case '.'): Handle new `%.suffix' spec.
549 (give_switch): Handle suffix_subst.
551 2001-01-10 Phil Edwards <pme@sources.redhat.com>
553 * invoke.texi: Fix another typo.
555 2001-01-10 Phil Edwards <pme@sources.redhat.com>
557 * invoke.texi: Fix typo.
559 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
561 * c-lang.c (lang_hooks): Update.
562 (lang_decode_option): Remove.
563 (lang_init_options): Rename c_init_options.
564 * toplev.c (main): Use lang_hooks for lang_init_options
565 and lang_decode_option.
566 * toplev.h (lang_hooks): Add 2 new hooks.
567 * tree.h: Remove lang_init_options and lang_decode_option.
568 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
569 * cp/decl2.c: Similarly.
570 * cp/lex.c (lang_init_options): Rename cxx_init_options.
571 (lang_hooks): Update.
572 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
574 (lang_init_options): Rename ffe_init_options.
575 (lang_hooks): Update.
576 (lang_decode_option): Remove.
577 * java/lang.c (lang_init_options): Rename java_init_options.
578 (lang_decode_option): Rename java_decode_option.
579 (lang_hooks): Update.
580 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
581 (lang_decode_option): Rename objc_decode_option.
582 (lang_hooks): Update.
584 2001-01-09 Nick Clifton <nickc@redhat.com>
586 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
587 (d30v_return_addr_rtx): Delete.
588 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
589 cfun->machine structure.
590 (struct machine_function): Move to d30v.h
591 (d30v_save_machine_status): Delete.
592 (d30v_restore_machine_status): Delete.
593 (d30v_init_machine_status): New Function.
594 (d30v_mark_machine_status): New Function.
595 (d30v_free_machine_status): New Function.
596 (d30v_init_expanders): Use new functions.
597 (d30v_return_addr): Use ra_rtx field in cfun->machine.
598 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
599 d30v_return_addr_rtx.
601 * config/d30v/d30v.h (struct_machine): Move here.
602 Add eh_epilogue_sp_ofs field.
604 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
605 field in cfun->machine structure.
607 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
609 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
610 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
611 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
613 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
615 * objc/lang-options.h: Remove bogus reference to
618 2001-01-09 Kazu Hirata <kazu@hxi.com>
620 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
623 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
625 * reload.c (find_reloads_address): Check for eliminable registers
626 when substituting a constant expression for a pseudo.
628 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
630 * c-common.c (enum format_type): Add format_type_error.
631 (decode_format_type): New function.
632 (decl_attributes): Use it.
633 (format_kind_info): Adjust comment.
635 2001-01-09 David O'Brien <obrien@BSDi.com>
637 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
638 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
640 * config/i386/gnu.h: Don't include required platform specific .h files,
641 tm.h will do it instead.
642 * config/i386/i386elf.h: Likewise.
643 * config/i386/linux.h: Likewise.
644 * config/i386/moss.h: Likewise.
645 * config/mips/gnu.h: Likewise.
647 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
649 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
650 (rs6000-ibm-aix3.[01]*): Likewise.
651 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
652 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
653 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
654 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
655 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
656 (powerpc-*-eabiaix*): Likewise.
657 (powerpc-*-eabisim*): Likewise.
658 (powerpc-*-elf*): Likewise.
659 (powerpc-*-eabi*): Likewise.
660 (powerpc-*-rtems*): Likewise.
661 (powerpc-*-linux*libc1): Likewise.
662 (powerpc-*-linux*): Likewise.
663 (powerpc-wrs-vxworks*): Likewise.
664 (powerpcle-wrs-vxworks*): Likewise.
665 (powerpcle-*-sysv*): Likewise.
666 (powerpcle-*-elf*): Likewise.
667 (powerpcle-*-eabisim*): Likewise.
668 (powerpcle-*-eabi*): Likewise.
669 (powerpcle-*-solaris2*): Likewise.
670 * config/rs6000/aix31.h: Delete includes.
671 * config/rs6000/aix3newas.h: Likewise.
672 * config/rs6000/aix41.h: Likewise.
673 * config/rs6000/aix43.h: Likewise.
674 * config/rs6000/beos.h: Likewise.
675 * config/rs6000/rtems.h: Likewise.
676 * config/rs6000/sysv4.h: Likewise.
678 2001-01-09 Kazu Hirata <kazu@hxi.com>
680 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
681 Change an argument mode of machine_mode to shift_mode of
682 shift_mode. Remove an extra error check.
683 (emit_a_shift): Adopt to the new calling prototype of
685 (function_prologue): Fix code for a monitor
686 function. Support H8/S.
687 (function_epilogue): Do not output pop for a monitor function.
689 2001-01-09 Nick Clifton <nickc@redhat.com>
691 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
692 (setup_incoming_varargs): Use sysv_varargs_p field of the
693 cfun->machine structure.
694 (struct machine_function): Move to rs6000.h
695 (rs6000_save_machine_status): Delete.
696 (rs6000_restore_machine_status): Delete.
697 (rs6000_init_machine_status): New Function.
698 (rs6000_free_machine_status): New Function.
699 (rs6000_init_expanders): Use new functions.
701 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
703 (struct machine_function): Move here.
705 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
706 sysv_varargs_p field of the cfun->machine structure.
708 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
710 (rs6000_restore_machine_status): Remove prototype.
712 2001-01-09 Richard Henderson <rth@redhat.com>
714 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
715 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
716 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
717 (sched_analyze_2, sched_analyze_insn): Likewise.
718 (sched_analyze, init_deps): Likewise.
719 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
720 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
721 (compute_block_backward_dependences): Update propagate_deps call.
723 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
725 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
727 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
729 * cppinit.c (OPT_MD, OPT_MMD): Restore.
730 (cpp_handle_option): Handle them.
731 (cpp_post_options): Ensure one of -M or -MM is specified with
732 any other -M? option.
733 (init_dependency_output): Suppress output with -MG.
735 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
738 * invoke.texi: Update.
740 2001-01-09 Bernd Schmidt <bernds@redhat.com>
742 * sh.md (reload_outsf): Generate recognizable patterns for
745 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
747 * c-lang.c (lang_hooks): Update.
748 (lang_init): Rename c_init.
749 (lang_finish): Remove.
750 * toplev.c (compile_file): Use lang_hooks for lang_init ()
752 * toplev.h (lang_hooks): Add init () and finish ().
753 * tree.h (lang_init, lang_finish): Remove.
754 * cp/tree.h (lang_init, lang_finish): Remove.
755 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
756 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
758 (lang_init, lang_finish): Remove.
759 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
760 (lang_hooks): Update.
761 * java/lang.c (lang_init): Rename java_init.
762 (lang_finish): Remove.
763 (lang_hooks): Update.
764 * objc/objc-act.c (lang_init): Rename objc_init.
765 (lang_finish): Remove.
766 (lang_hoooks): Update.
768 20001-01-09 Graham Stott <grahams@redhat.com>
770 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
771 after `ptr` is initialised.
773 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
775 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
776 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
777 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
778 stack adjusts, instead of r3.
780 2001-01-09 Michael Hayes <mhayes@redhat.com>
782 * flow.c (flow_loop_scan): Break out of ...
783 (flow_loops_find) ... here.
784 * basic-block.h (flow_loop_scan): New.
785 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
786 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
788 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
790 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
792 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
793 realloc()ing macro_buffer.
795 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
796 if it's wider than long and the target's long is wider than the
799 2001-01-09 Mark Mitchell <mark@codesourcery.com>
801 Remove support for using UWIN as a host machine.
802 * configure.in: Issue an error message.
803 * configure: Regenerated.
804 * config.gcc: Remove xm_* UWIN configury.
805 * config/i386/xm-uwin.h: Remove.
807 2001-01-08 Nick Clifton <nickc@redhat.com>
809 * config/v850/v850.c (ra_rtx): Delete.
810 (v850_save_machine_status): Delete.
811 (v850_restore_machine_status): Delete.
812 (v850_init_machine_status): New function.
813 (v850_mark_machine_status): New function.
814 (v850_free_machine_status): New function.
815 (v850_return_addr): Use ra_rtx field in machine structure.
816 (v850_init_expanders): Use new functions.
818 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
819 * config/v850/v850.c: Change arguments to v850_output+* functions
820 to take a const char *, to avoid compile time warning.
821 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
822 (USER_LABEL_PREFIX): Redefine.
824 2000-01-08 Jim Wilson <wilson@redhat.com>
826 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
827 1 to unsigned HOST_WIDE_INT before left shift.
829 2001-01-08 Nick Clifton <nickc@redhat.com>
831 * config/arm/arm.c (arm_mark_machine_status): Check to see if
832 the machine structure has been allocated.
833 (arm_free_machine_status): New function: Free the machine
834 specific function structure.
836 2001-01-08 Richard Henderson <rth@redhat.com>
838 * jump.c (simplejump_p): Revert last change.
840 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
842 * cppinit.c (init): Rename init_library.
843 (cpp_create_reader): Update.
844 * gcc.c (cpp_options): If -o given, use it as the target of
847 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
849 * arm.c (arm_arch5e): New variable.
850 (all_cores): XScale is a 5TE device.
851 (arm_override_options): Set arm_arch5e.
852 (arm_init_builtins): __builtin_prefetch is in arch5e.
853 * arm.h (arm_arch5e): Declare it.
855 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
857 * arm.md (define_constants): Add defines for UNSPEC and
858 UNSPEC_VOLATILE insns. Update all users.
859 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
860 * arm.c (multi_register_push, note_invalid_constants)
861 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
862 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
863 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
865 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
867 * jump.c (jump_optimize_1): Use reversed_comparison_code
868 instead of can_reverse_comparison_p.
869 (jump_back_p): Likewise.
870 (invert_exp_1): Likewise.
871 (thread_jumps): Likewise.
872 * simplify-rtx.c (simplify_unary_operation): Likewise.
873 (simplify_ternary_operation): Likewise.
874 * cse.c (find_comparison_args): Convert to use
875 can_reverse_comparison_p.
876 (record_jump_equiv): Likewise.
878 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
880 * arm.h (HARD_REGNO_RENAME_OK): Delete.
881 (EPILOGUE_USES): Define.
882 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
883 automatically stack the LR if it isn't live.
885 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
887 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
890 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
892 * ggc-page.c (max_alignment): New structure.
893 (MAX_ALIGNMENT): New macro.
894 (init_ggc): Use it to round up the sizes in the
895 extra_order_size_table.
897 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
899 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
902 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * builtins.def (BUILT_IN_FPRINTF): New entry.
906 * c-common.c (c_expand_builtin_fprintf): New function.
907 (init_function_format_info): Handle __builtin_fprintf.
908 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
909 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
911 * c-decl.c (duplicate_decls): Adjust comment.
913 * extend.texi (fprintf): Document new builtin.
915 2001-01-07 Richard Henderson <rth@redhat.com>
917 * jump.c (simplejump_p): Recognize any single_set jump
920 2001-01-07 Richard Henderson <rth@redhat.com>
922 * configure.in (slibdir): Accept an --with-slibdir option.
923 Use "test" not "[" in configure. Default to $(libdir).
925 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
927 * config/t-aix43 (SHLIB_INSTALL): Likewise.
928 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
929 (SHLIB_LINK): Create links for the soname.
930 * config/mips/t-iris6: Likewise.
931 * config/sparc/t-slibgcc: Likewise.
932 * config/sparc/t-slibgcc-sld: Likewise.
934 2001-01-07 Jakub Jelinek <jakub@redhat.com>
936 * config/i386/i386.c (constant_call_address_operand): Accept
937 (const (plus (symbol_ref) (const_int))).
938 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
939 constant_call_address_operand.
941 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
943 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
944 and LONG_LONG_TYPE_SIZE > 32.
946 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
948 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
951 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
953 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
955 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
956 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
957 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
960 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
962 * fix-header.c (read_scan_file): s/pfile/scan_in/.
964 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
966 * c-lang.c (c_post_options): Call cpp_post_options.
967 * objc/objc-act.c (objc_post_options): Similarly.
968 * cppmain.c (main): Similarly.
969 * fix-header.c (read_scan_file): Similarly.
970 * cppinit.c (cpp_start_read): Move option consistency checks
971 to cpp_post_options. Don't call init_dependency_output.
972 If needed, add default target and main file dependency.
973 (OPT_MD, OPT_MMD): Remove.
975 (cpp_handle_option): Update for OPT_* changes.
976 (cpp_post_options): New.
977 (init_dependency_output): Command line -MF overrides environment
978 variables. Don't set default target etc. Suppress output
979 if dependencies are going to stdout.
980 (print_help): Update.
981 * cpplib.h (cpp_post_options): New.
982 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
984 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
986 * jump.c (comparison_dominates_p): Support unordered compares.
988 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
990 * simplify-rtx.c (simplify_relational_operation): Always simplify
991 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
994 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
996 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
997 (nonzero_bits): Likewise.
998 (simplify_comparison): Likewise.
999 (num_sign_bit_copies): Likewise; return more sane value depending
1000 on STORE_FLAG_VALUE.
1001 (known_cond): Do not assume EQ to be always true for equivalent
1004 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1006 * cse.c (fold_rtx): Handle unordered comparisons.
1008 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1010 * rtlanal.c (set_of_1): New static function.
1011 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1012 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1013 reg_set_last_last_regno): Remove.
1014 (set_of): New global function.
1015 (set_of_data): New structure.
1016 (reg_set_p, reg_set_last): Revamp for set_of.
1017 * rtl.h (set_of): New.
1019 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1021 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1022 * extend.texi: Document _Exit builtin.
1024 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1026 * (initialize, initialize_builtins,
1027 initialize_dependency_output, initialize_standard_includes):
1028 Rename s/initialize/init. Update.
1029 (init_dependency_output): Move to after
1030 cpp_handle_options, the correct location temporally at least.
1031 (opt_comp): Move next to init (), its caller. Fix prototype.
1032 (init): Make "initialized" local scope.
1033 (cpp_create_reader): Always call init ().
1034 (cpp_start_read): Update.
1035 (output_deps): New function, broken out of cpp_finish.
1036 (cpp_finish): Break out output_deps.
1038 2001-01-07 Richard Henderson <rth@redhat.com>
1040 * collect2.c (COFF specific stuff): Revert 12-06 patch
1041 to prototype system functions.
1043 2001-01-07 Michael Hayes <mhayes@redhat.com>
1045 * hard-reg-set.h: Add multiple include guard.
1046 * basic-block.h (struct loop): Add `sink' field.
1047 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1048 (emit_iv_add_mult): Delete.
1049 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1050 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1051 (unroll_loop): Remove end_insert_before argument.
1052 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1053 (maybe_eliminate_biv_1): Likewise.
1054 (emit_iv_add_mult): Delete.
1055 (gen_add_mult, loop_regs_update): New.
1056 (loop_insn_emit_after, loop_insn_emit_before): New.
1057 (loop_insn_sink, loop_insn_sink_or_swim): New.
1058 (emit_iv_add_mult): Delete.
1059 (scan_loop): Set loop->sink.
1060 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1061 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1062 (maybe_eliminate_biv_1): Likewise.
1063 (maybe_eliminate_biv_1): Add basic block argument.
1064 * unroll.c (unroll_loop): Remove end_insert_before argument.
1065 (find_splittable_regs): Likewise.
1066 (find_splittable_regs): Use loop_insn_sink and its ilk.
1067 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1069 2001-01-07 Michael Hayes <mhayes@redhat.com>
1071 * loop.h (loop_insn_hoist): New prototype.
1072 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1073 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1074 (check_dbra_loop, load_mems): Likewise.
1075 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1076 (find_splittable_givs): Likewise.
1078 2001-01-07 Michael Hayes <mhayes@redhat.com>
1080 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1082 2001-01-07 Richard Henderson <rth@redhat.com>
1084 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1086 2001-01-07 Richard Henderson <rth@redhat.com>
1088 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1089 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1090 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1091 variant that handles a shared libgcc.
1092 (process_command): Always validate -{static,shared}-libgcc.
1093 (do_spec_1): New 'M' case.
1094 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1096 2001-01-07 Richard Henderson <rth@redhat.com>
1098 * Makefile.in (slibdir): New variable.
1099 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1100 (installdirs): Create slibdir.
1101 (install-libgcc, install-multilib): Defer to libgcc.mk.
1102 * configure.in (slibdir): Substitute.
1103 * mklibgcc.in (install): New target.
1105 * config/t-linux (SHLIB_LINK): Create links for the soname.
1106 (SHLIB_INSTALL): New.
1107 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1108 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1109 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1110 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1111 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1113 2001-01-07 Richard Henderson <rth@redhat.com>
1115 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1116 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1117 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1119 2001-01-07 Michael Hayes <mhayes@redhat.com>
1121 * loop.c (count_loop_regs_set): Delete.
1122 (load_mems_and_recount_loop_regs_set): Delete.
1123 (loop_regs_scan): Merge common code from count_loop_regs_set,
1124 scan_loop, and load_mems_and_recount_loop_regs_set.
1125 (scan_loop): Call load_mems directly and loop_regs_scan
1126 again if new registers created.
1128 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1130 * toplev.c (main): Call the front-end specific post_options
1131 hook if one is given.
1132 * toplev.h (struct_lang_hooks, lang_hooks): New.
1133 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1134 for the C front end.
1135 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1136 lang_hooks for the C++ front end.
1137 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1138 lang_hooks for the ObjC front end.
1139 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1140 * java/lang.c (lang_hooks): Hooks for the Java front end.
1142 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1144 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1145 for verbose DWARF[2] debugging.
1146 (cb_define, cb_undef): The new callbacks.
1147 * toplev.h (debug_define, debug_undef): Make const correct.
1148 * toplev.c (debug_define, debug_undef): Similarly. Do not
1149 perform the verbosity tests here anymore.
1151 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1153 * reload.c (subst_reloads): Take INSN argument. When
1154 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1155 * reload.h (subst_reloads): Adjust prototype.
1156 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1157 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1158 present in JUMP_INSNs and copy them to JUMP_LABEL.
1159 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1160 JUMP_INSNs and insns with REG_LABELs that are followed by
1161 JUMP_INSNs with the same REG_LABEL.
1162 * sched-rgn.c (is_cfg_nonregular): Likewise.
1163 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1165 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1167 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1169 2001-01-06 Richard Henderson <rth@redhat.com>
1171 * loop.c (scan_loop): Use xcalloc for the regs array.
1172 (load_mems_and_recount_loop_regs_set): Zero the new memory
1173 received from xrealloc.
1175 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1177 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1179 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1181 * integrate.c (copy_rtx_and_substitute): When copying
1182 an ignored return value, strip REG_FUNCTION_VALUE_P.
1184 2001-01-06 Michael Hayes <mhayes@redhat.com>
1186 * loop.c (debug_biv, debug_giv): New.
1187 (loop_biv_dump): Break out from ...
1188 (record_biv): ... here.
1189 (loop_giv_dump): Break out from ...
1190 (record_giv): ... here.
1191 (loop_bivs_check): Use print_simple_rtl.
1192 * unroll.c (loop_iterations): Use print_simple_rtl.
1194 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1196 * pa.md (return, return_internal): Modify patterns to prevent regrename
1197 mucking with the return pointer.
1199 2001-01-05 Richard Henderson <rth@redhat.com>
1201 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1203 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1205 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1206 version supplied by Matteo Frigo.
1208 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1210 * cpp.texi: Update for -MQ.
1211 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1212 (cpp_cleanup): Always free pfile->deps.
1213 (initialize_dependency_output): Don't create pfile->deps.
1214 (cpp_handle_option): Similarly.
1216 * gcc.c (cpp_options): Handle -MQ.
1217 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1218 * mkdeps.c (base_name): Remove.
1219 (deps_init): Don't allocate vector space until it's needed.
1220 (deps_free): Only free vectors if allocated.
1221 (deps_add_target, deps_add_dep): Update for initial allocation.
1222 (deps_add_default_target): Don't strip to the base_name.
1224 2001-01-05 DJ Delorie <dj@redhat.com>
1226 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1227 (INIT_EXPANDERS): Define.
1229 * config/v850/v850.c (struct machine_function): Define.
1230 (v850_save_machine_status): New function.
1231 (v850_restore_machine_status): New function.
1232 (v850_return_addr): New function.
1233 (v850_init_expanders): New function.
1235 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1236 and v850_init_expanders.
1238 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1240 * cpplib.h (struct cpp_reader): Add help_only field.
1241 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1242 (cpp_handle_option): Set pfile->help_only if we see -h,
1243 --help, -target-help, or --version. Print version string but
1244 do not set help_only if we see -v or -version. Make text
1245 printed by -v match that printed by (-)-version.
1247 * cppmain.c (main): Exit after option parsing if
1248 pfile->help_only is true.
1250 * toplev.c (independent_decode_option): Call print_version,
1251 then exit, if we see --version (but not -version).
1252 (print_version): Split lengthy message into two lines.
1254 2001-01-05 Nick Clifton <nickc@redhat.com>
1256 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1257 temporary string for initialisation before calling ggc_alloc_string.
1259 2001-01-06 Michael Hayes <mhayes@redhat.com>
1261 * rtl.h (print_simple_rtl): New.
1262 * print-rtl.c (print_simple_rtl): New.
1264 (print_rtx): Disable printing of flags and modes, etc.,
1265 if `flag_simple` nonzero.
1267 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1269 * function.c (fixup_var_refs): Use push_to_full_sequence where
1272 2001-01-05 Michael Meissner <meissner@redhat.com>
1274 * flags.h (flag_reorder_blocks): Add declaration.
1275 (flag_rename_block): Ditto.
1277 2001-01-05 DJ Delorie <dj@redhat.com>
1279 * function.c (reorder_blocks): Make sure the flags are all reset
1280 before using them to mark blocks, else a second invocation will
1281 corrupt the block chain.
1282 (reorder_blocks_0): New, resets the flags.
1284 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1286 * cse.c (find_comparison_args): Stop if the argument is known to
1289 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1291 * config/sh/sh.md (movdf): When splitting load into pair of
1292 registers, don't clobber the register used in the address too
1295 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1297 * varasm.c (mark_constant_pool): Improve initial comments.
1298 (mark_constants): Move marking of constants to mark_constant.
1299 (mark_constant): New function to recursively mark all constants
1300 referred to by a constant.
1302 2001-01-05 Catherine Moore <clm@redhat.com>
1304 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1306 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1308 * cp/lang-options.h: Bring comment in line with reality.
1309 * f/lang-options.h: Likewise.
1310 * java/lang-options.h: Likewise.
1311 * objc/lang-options.h: Likewise.
1312 * ch/lang-options.h: Likewise.
1313 * f/g77.texi: And update the manual.
1315 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1316 Denis Chertykov <denisc@overta.ru>
1318 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1319 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1320 * config/avr/avr.md (all peepholes that request a scratch register):
1321 Call it, FAIL the peephole if not safe (in interrupt functions).
1323 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1325 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1327 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1329 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1331 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1332 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1333 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1334 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1335 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1337 * extend.texi: Document these builtins.
1339 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1341 * c-common.c (lang_get_alias_set): Say we know nothing of
1342 VECTOR_TYPE aliasing.
1344 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1346 2001-01-05 Bruce Korb <bkorb@gnu.org>
1348 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1349 their x* equivalent versions for atexit-less systems
1350 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1351 systems (or any other system any more).
1353 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1355 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1356 output operands. Use arm_hard_register_operand for operand 4.
1357 (stmsi_postinc): Similarly.
1358 (ldmsi): Use arm_hard_register_operand for opernand 2.
1360 * arm.c (arm_hard_register_operand): New function.
1361 * arm-protos.h (arm_hard_register_operand): Prototype it.
1363 * arm.h (HARD_REGNO_RENAME_OK): Define.
1365 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1367 * simplify-rtx.c (cfc_args): add "unordered" field.
1368 (check_fold_consts): Set unordered field.
1369 (simplify_relational_operation): Simplify the unordered
1372 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1375 * emit-rtl.c (try_split): Fix code to mark labels.
1376 * jump.c (mark_jump_label): Make global.
1377 * rtl.h (mark_jump_label): Declare.
1379 * predict.c (estimate_probability): Handle unordred comparisons.
1381 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1384 * cppinit.c (initialize_dependency_output): Update.
1385 (cpp_finish): Output dummy targets for -MP.
1387 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1388 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1389 * gcc.c (cpp_options): Update to handle -MP.
1390 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1391 to quote only the default target.
1392 (deps_phony_targets): Insert a preceding newline. Rename from
1393 deps_dummy_targets for consistency.
1396 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1398 * calls.c (emit_library_call_value_1): Support
1399 INIT_CUMULATIVE_LIBCALL_ARGS.
1400 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1402 2001-01-04 Richard Henderson <rth@redhat.com>
1404 * c-decl.c (finish_struct): Detect flexible array members
1405 used in an inappropriate context.
1406 * c-typeck.c (really_start_incremental_init): Special case
1407 constructor_max_index for zero length arrays.
1408 (pop_init_level): Allow initialization of flexible array
1409 members. Deprecate initialization of zero length arrays.
1410 Don't issue missing initializer warning for flexible array
1411 members or zero length arrays.
1412 (process_init_element): Don't dereference null DECL_SIZE.
1413 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1414 Don't abort for empty constructors. Use size_binop
1415 (output_constructor): Add commentary regarding zero length
1416 array futures. Abort if we try to initialize an array of
1417 unspecified length with a non-empty constructor in the middle
1420 * extend.texi (Zero Length): Update and clarify documentation
1421 on static initialization.
1423 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1425 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1426 with more than 32767 words of local storage.
1428 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1430 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1431 for 'abs', 'labs', and 'fabs'.
1432 (c4x_expand_builtin): Likewise.
1433 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1435 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1437 * config/sh/sh.md (prget, prset): New insn types.
1438 (return delay slot): Dont' allow prset.
1439 (call, sfunc delay slot): Don't allow prget.
1440 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1441 for prset and prget.
1443 2001-01-05 Michael Hayes <mhayes@redhat.com>
1445 * loop.h (struct loop_reg): New.
1446 (struct loop_regs): Change to use array of `struct loop_reg'.
1447 * loop.c: Replace assortment of varrays with single regs array.
1448 (count_one_set): Delete may_not_move array argument
1449 and use regs array instead. All caller's changed.
1450 (count_loop_regs_set): Delete may_not_move and single_usage
1451 arguments and use regs array instead. All caller's changed.
1452 (find_single_use_in_loop): Replace usage array argument with pointer
1453 to regs structure. All caller's changed.
1454 (loop_optimize): Delete `moved_once' array.
1456 2001-01-05 Michael Hayes <mhayes@redhat.com>
1458 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1459 Use it instead of loop_info->has_call for scanning loop mems.
1460 (check_dbra_loop): Replace loop_info->has_call test with
1461 loop_info->has_nonconst_call.
1463 2000-01-04 Matthew Hiller <hiller@redhat.com>
1465 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1468 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1470 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1471 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1473 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1475 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1476 (flag_short_double, flag_short_wchar): Define.
1477 (c_common_nodes_and_builtins): Create many tree nodes shared
1478 between C and C++ here instead of in cp/decl.c and ...
1479 * c-decl.c (init_decl_processing): ... here.
1480 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1481 (flag_short_double, flag_short_wchar): Don't define.
1482 (record_builtin_type): New function.
1483 (build_void_list_node): New function.
1484 * c-common.h (flag_short_double, flag_short_wchar,
1485 record_builtin_type, build_void_list_node): Declare.
1487 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1489 * integrate.c (expand_inline_function): Don't put a virtual
1490 register into the reg map.
1492 * function.c (fixup_var_refs_1): If force_operand didn't put
1493 the address into the target, move it there.
1495 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1497 Special-case tree_decl/tree_list allocations.
1498 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1499 (OBJECT_SIZE): New macro.
1500 (NUM_EXTRA_ORDER): Likewise.
1501 (extra_order_size_table): New variable.
1502 (NUM_ORDERS): New macro.
1503 (objects_per_page_table): New variable.
1504 (object_size_table): New variable.
1505 (G.pages): Use NUM_ORDERS to bound the array.
1506 (G.page_tails): Likewise.
1507 (DIV_ROUND_UP): Remove.
1508 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1509 (alloc_page): Use OBJECT_SIZE.
1510 (size_lookup): Don't make it const.
1511 (ggc_alloc): Use OBJECT_SIZE.
1512 (ggc_set_mark): Likewise.
1513 (ggc_get_size): Likewise.
1514 (init_ggc): Set up the object_size_table, objects_per_page_table,
1515 and adjust size_lookup.
1516 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1517 (ggc_pop_context): Use NUM_ORDERS.
1518 (clear_marks): Likewise.
1519 (sweep_pages): Likewise.
1520 (poison_pages): Likewise.
1521 (ggc_print_statistics): Use OBJECT_SIZE.
1523 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1525 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1526 Only call array_size_for_constructor if last field and array type
1527 with no upper bound.
1529 2001-01-04 Philip Blundell <philb@gnu.org>
1531 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1532 from bit 31 downwards, if this requires no more insns.
1533 (count_insns_for_constant): New helper function for above.
1535 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1537 * gencodes.c (output_predicate_decls): Remove empty initializer.
1539 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1541 * tree.c (copy_node): Remove documentation about obstacks.
1542 (buidl1): Check that nobody tries to build 2-argument nodes this
1545 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1547 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1550 * gencodes.c (output_predicate_decls): Fill empty initializer
1553 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1555 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1556 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1558 (do_include): Handle missing headers like cpp0.
1559 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1560 paths with first include pathname. Don't strcat to uninitialized
1563 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1565 * regrename.c (regrename_optimize): Don't rename from frame pointer
1566 if frame_pointer_needed.
1567 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1568 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1569 (ia64_reorg): Use it instead of scheduling if ! optimize.
1570 (errata_emit_nops): Properly call asm_noperands.
1571 (ia64_sched_reorder): Finish cycle if we see an asm.
1572 (ia64_variable_issue): Clear scheduling state after asms.
1574 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1576 * cpp.texi: Update for -MT.
1577 * cppinit.c (initialize_dependency_output): Add a default
1578 target if none has been given already.
1579 (no_tgt, OPT_MT): New.
1580 (cpp_handle_option): Handle -MT. Update -M etc.
1581 * cpplib.h (struct cpp_options): Remove deps_target.
1582 * gcc.c (cpp_options): Handle -MT.
1583 * mkdeps.c (struct deps): Move from mkdeps.h.
1584 (deps_calc_target): Rename deps_add_default_target. Add a
1585 default target if none has been specified already.
1586 * mkdeps.h (struct deps): Move to mkdeps.c.
1587 (deps_calc_target): Rename deps_add_default_target.
1589 2000-01-03 Richard Henderson <rth@redhat.com>
1591 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1593 * c-typeck.c (push_init_level): Move checks for flexible array
1594 members and zero length arrays ...
1595 (pop_init_level): ... here. Silently discard empty initializations.
1597 * varasm.c (output_constructor): Update for sizeof change to
1600 * extend.texi (Zero Length): Clarify semantics.
1602 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1604 * configure.in (tm.h): Include isns-codes.h last.
1605 * configure: Rebuilt.
1607 2001-01-03 Richard Henderson <rth@redhat.com>
1609 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1610 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1612 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1614 * tradcpp.c (main): Make sure finclude() is called with a valid
1615 indepth value while handling -include.
1617 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1619 * gencodes.c (output_predicate_decls): New function.
1621 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1622 even if it is not the first time machmode.h is #included.
1623 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1624 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1625 * gcc.texi (Copyright): Added 2001.
1627 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1629 * c-common.c (c_common_lang_init): New function. Warn if format
1630 warning options which only have effects when used with -Wformat
1631 are used without -Wformat.
1632 * c-common.h (c_common_lang_init): Declare.
1633 * c-lang.c (lang_init): Call c_common_lang_init.
1634 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1636 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1638 * configure.in: Check for the mktemp command.
1639 * configure: Regenerate.
1640 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1641 $TEMP. Create temporary files with mktemp, if available at
1642 configure time; otherwise use set -C. Remove temporary files
1645 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1647 * configure.in: Require at least texinfo 4.0. Check for whether
1648 Pod::Man is sufficiently recent to regenerate GCC manpages.
1649 * configure: Regenerate.
1650 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1652 (GENERATED_MANPAGES): Define.
1653 (generated-manpages): New target. Depend on cpp.1 as well as
1655 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1656 configure to generated-manpages or empty) rather than on the
1657 manpages directly. Remove execute permission from installed
1658 gcov.1 as well as cpp.1.
1659 * cpp.1, gcov.1: Regenerate.
1661 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1663 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1664 tree_low_cst. Allow using cmpstrsi in more cases.
1666 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1668 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1671 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1673 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1674 * Makefile.in (HOST_CFLAGS): Mention build-make.
1676 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1678 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1681 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1683 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1686 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1689 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1690 reg_base_value and reg_known_value arrays.
1691 (init_alias_analysis): Add more cases to detect known values.
1692 * sched-deps.c (deps_may_trap_p): New function.
1693 (sched_analyze_2): Use it.
1695 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1697 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1698 don't discard an ASHIFTRT if we're shifting in a wider mode.
1700 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1702 * toplev.c (rest_of_compilation): Don't print basic block information
1703 when CFG isn't up to date.
1705 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1707 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1708 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1709 (UNALIGNED_SHORT_ASM_OP): Define.
1710 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1712 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1714 * fold-const.c (fold_convert): Fix typo.
1716 2001-01-02 Richard Henderson <rth@redhat.com>
1718 * c-common.h (ASM_INPUT_P): New.
1719 * c-parse.in (asm): Set it when needed.
1720 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1721 existance of an operand.
1723 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1725 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1726 (dwarf2out_frame_debug_expr): Likewise.
1727 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1729 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1731 * i386.c (ix86_split_to_parts): Return number of part required;
1733 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1735 (ix86_split_long_move): Use number of part returned
1736 by ix86_split_to_parts
1737 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1739 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1740 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1741 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1742 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1743 (ALIGN_MODE_128): Add TFmode.
1744 (IS_STACK_MODE): Likewise.
1745 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1746 (HARD_REGNO_OK): Support TFmodes.
1747 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1748 * i386.md (scheduler definitions): Use memory operand to determine
1749 fst/fld instructions; use mode attribute to determine real mode of
1751 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1752 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1754 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1756 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1758 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1760 * expr.c (store_constructor_field): Update ALIGN before calling
1763 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1765 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1768 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1770 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1773 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1775 * c-decl.c (start_function): Don't warn on third parameter to main.
1777 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1779 * tsystem.h: Define HAVE_DECL_GETOPT.
1781 2001-01-02 Philip Blundell <pb@futuretv.com>
1783 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1786 2001-01-02 Richard Henderson <rth@redhat.com>
1788 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1790 2001-01-02 Andreas Jaeger <aj@suse.de>
1792 * c-decl.c (c_decode_option): Remove support of
1795 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1796 (W_options): Add -Wmissing-noreturn here.
1798 * flow.c: Define lang_missing_noreturn_ok_p.
1799 (check_function_return_warnings): Use it.
1801 * c-common.h: Declare lang_missing_noreturn_ok_p.
1803 * c-lang.c (c_missing_noreturn_ok_p): New function.
1804 (lang_init): Set lang_missing_noreturn_ok_p.
1806 * invoke.texi (Warning Options): Document this.
1808 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1810 * extend.texi (C++ Extensions): New node for C++ attributes;
1811 describe init_priority and com_interface.
1812 * invoke.texi: Remove -finit-priority as it now has zero effect.
1813 * install.texi: Fix xref syntax.
1814 * md.texi: Likewise.
1816 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1818 * config.gcc (sparc64-wrs-vxworks*): New case.
1819 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1821 * config/sparc/sparc.c (sparc_override_options): Do support different
1822 pointer and architecture size.
1823 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1824 (POINTERS_EXTEND_UNSIGNED): Define.
1825 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1826 (FUNCTION_MODE): Define to be Pmode.
1827 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1829 * function.c (expand_function_end): Properly handle DECL_RESULT
1830 and copy when ptr_mode != Pmode.
1831 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1833 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1835 * c-common.c (c_common_nodes_and_builtins): Set prototype
1836 parameters for __builtin_fputs, __builtin_fputc and
1837 __builtin_fwrite. Don't declare plain fputc as a builtin.
1839 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1841 * loop.c (add_label_notes): Increment the label usage count when
1842 a note is added to an insn which refers to a CODE_LABEL.
1843 * gcse.c (add_label_notes): Likewise.
1845 2001-01-01 Andreas Jaeger <aj@suse.de>
1847 * loop.c (scan_loop): Use xmalloc to allocate movables.
1849 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1851 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1852 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1853 * reload1.c (REGISTER_MOVE_COST): Likewise.
1854 * regclass.c (REGISTER_MOVE_COST): Likewise.
1855 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1856 dimension. Adjust all users.
1857 (init_reg_sets_1): Iterate on all modes.
1858 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1859 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1860 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1861 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1862 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1863 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1864 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1865 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1866 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1867 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1868 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1869 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1870 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1871 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1872 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1873 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1874 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1875 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1876 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1877 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1878 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1879 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1880 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1881 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1882 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1883 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1884 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1886 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1888 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1889 arg VARIES_P. Call it with extra arg.
1890 (true_dependence): Likewise.
1891 * rtl.h (rtx_addr_can_trap_p): Declare.
1892 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1894 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1895 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1896 pic offset table register if it's zero. All callers changed.
1897 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1899 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1901 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1902 STRING_POOL_ADDRESS_P.
1904 * config/sparc/sparc.c (input_operand): Properly test for short op.
1906 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1907 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1908 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1909 * config/sparc/elf.h: No longer include sol2.h.
1910 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1911 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1913 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1915 2001-01-01 Michael Hayes <mhayes@redhat.com>
1917 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1918 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1919 (record_initial): Likewise.
1920 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1921 (remap_split_bivs): Likewise.
1923 2001-01-01 Michael Hayes <mhayes@redhat.com>
1925 * loop.c (loop_ivs_free): New function.
1926 (strength_reduce): Break out from...
1928 2001-01-01 Michael Hayes <mhayes@redhat.com>
1930 * loop.h (struct iv): New.
1931 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1932 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1933 'reg_biv_class' fields with 'regs' and 'n_regs'.
1934 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1935 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1936 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1938 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1940 * resource.c (mark_referenced_resources): Abort() before
1941 attempting to mark a pseudo register.
1942 (mark_set_resources): Likewise.
1944 2001-01-01 Michael Hayes <mhayes@redhat.com>
1946 * loop.h (REG_IV_CLASS): New accessor macro.
1947 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1948 * unroll.c (REG_IV_CLASS): Likewise.
1950 See ChangeLog.4 for earlier changes.