1 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5 (ASM_SPEC): Call subtarget_extra_asm_spec.
6 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8 (ASM_SPEC): Call subtarget_extra_asm_spec.
10 2001-01-15 Andreas Jaeger <aj@suse.de>
12 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
14 (ix86_expand_builtin): Likewise.
16 * gencodes.c (output_predicate_decls): Make i size_t to avoid
17 warning about comparison between signed and unsigned.
19 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
21 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
23 2001-01-14 Ralf Baechle <ralf@gnu.org>
25 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
26 SUBTARGET_CPP_SPEC apropriatly.
28 2001-01-12 Mark Mitchell <mark@codesourcery.com>
30 * varasm.c (make_decl_rtl): Fix typo in last change.
32 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
34 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
35 linker supports the init_priority C++ attribute.
36 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
37 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
38 linker does not support init_priority C++ attribute.
40 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
42 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
44 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
46 * c-parse.in (finish_parse): Add comment about cpp_destroy.
47 * cp/lex.c (finish_parse): Similarly.
48 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
49 Return the number of errors encountered.
50 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
51 * cppmain.c (main): Don't call cpp_destroy.
53 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
55 * configure.in: Require at least perl 5.6.0 to regenerate
57 * configure: Regenerate.
59 2001-01-14 Richard Henderson <rth@redhat.com>
61 * genrecog.c (DT_veclen_ge): New.
62 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
63 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
64 (nodes_identical_1): Handle DT_veclen_ge.
65 (write_cond, debug_decision_2): Likewise.
67 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
69 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
71 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
73 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cppmain.c (do_preprocessing): New function; most of the old
77 (main): Call it to do most of the work.
78 (cb): Move from global scope to set_callbacks ().
79 (setup_callbacks): Get the callback pointer.
80 (general_init, printer_init): Clean up code and comments.
82 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
84 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
87 2001-01-14 Kazu Hirata <kazu@hxi.com>
89 * config/h8300/h8300.c (get_shift_alg): Update comments.
91 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
93 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
94 (alloc_page, ggc_alloc): Add casts to remove warnings.
96 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
98 * combine.c (simplify_comparison): Don't change `code' when
99 can't reverse comparison.
101 2001-01-14 Richard Henderson <rth@redhat.com>
103 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
104 update all call sites. Return true for all non-label constants.
106 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
108 * i386.c (ix86_expand_compare): Add bypass_test and second_test
110 (ix86_expand_branch): Update.
111 (ix86_expand_setcc): Update to handle multiple test conditions.
112 (expand_int_movcc): Likewise.
113 (expand_fp_movcc): Likewise.
114 * i386-protos.h (ix86_expand_compare): New.
115 * i386.md (andqi_?_slp, orqi_?_slp): New.
116 (conditional trap expander): Update call to ix86_expand_compare.
118 2001-01-14 Richard Henderson <rth@redhat.com>
120 * config/vax/vax.md: Use nonimmediate_operand instead of
121 general_operand in destinations.
123 * config/vax/vax.md (indirect_jump): Use register_operand.
125 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
126 * config/vax/vax.md (call_pop): Turn into an expander.
127 (call_value_pop): Likewise.
128 (call, call_value): New.
130 2001-01-14 Andreas Jaeger <aj@suse.de>
132 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
134 (ix86_fp_compare_mode): Add unused attribute.
135 (ix86_expand_fp_movcc): Remove unused variable.
136 (ix86_expand_builtin): Make fcode unsigned.
138 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
139 (expand_expr): Add cast to avoid signed warning.
140 (store_field): Likewise.
141 (store_constructor_field): Likewise.
142 (store_constructor): Likewise.
143 (store_expr): Likewise.
144 (clear_storage): Likewise.
145 (emit_group_store): Likewise.
146 (emit_group_load): Likewise.
148 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
150 * c-common.c: Move format checking code to ...
151 * c-format.c: ... here. New file. Reorder some functions and
153 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
155 * c-common.h (decl_handle_format_attribute,
156 decl_handle_format_arg_attribute): Declare.
157 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
158 (c-common.o): Adjust dependencies.
159 (c-format.o): New list of dependencies.
161 2001-01-13 Jakub Jelinek <jakub@redhat.com>
163 * unroll.c (loop_iterations): If we cannot prove iteration variable
164 is set once in each iteration, punt.
166 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
168 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
169 (*strlenhi): Remove clobber (which was buggy) of output address.
171 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
173 * Makefile.in (generated-manpages): Add gcc.1
174 ($(srcdir)/gcc.1): New target.
175 (maintainer-clean): Delete $(srcdir)/gcc.1.
176 * gcc.texi: Add macros @gccoptlist and @gol.
177 * invoke.texi: Include option summary in manpage. Mark up option
178 summary with @gccoptlist and @gol. Use @r in one place where
180 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
181 * gcc.1: Generate from invoke.texi.
183 2001-01-13 Richard Henderson <rth@redhat.com>
185 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
186 (struct page_entry): Add group member.
187 (struct page_group): New.
188 (struct globals): Add page_groups member.
189 (alloc_anon): Only define for using mmap; remove valloc call.
190 (page_group_index): New.
191 (set_page_group_in_use): New.
192 (clear_page_group_in_use): New.
193 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
194 (free_page, release_pages): Likewise.
195 * configure.in (with-gc): Default to ggc-page always.
197 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
199 * reload1.c (replace_pseudos_in_call_usage): Use
200 reg_equiv_constant and reg_equiv_address, and don't try
203 2001-01-13 Richard Henderson <rth@redhat.com>
205 * ggc-page.c (alloc_page): Round up allocation size to one page.
206 Set e->order on extra pages.
208 2001-01-13 Richard Henderson <rth@redhat.com>
210 * genrecog.c (nodes_identical): Expand commentary.
211 (write_switch): Watch out for identical nodes.
213 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
215 * cppfiles.c (_cpp_fake_include): New function.
216 * cpphash.h (_cpp_fake_include): New.
217 * cpplib.c (do_line): Call _cpp_fake_include when entering
218 header files in preprocessed input.
219 * cppmain.c (cb_pragma_implementation): Remove handling.
220 (setup_callbacks): Don't register pragmas.
222 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
224 * extend.texi: Udate for CPP.
226 2001-01-13 Andreas Jaeger <aj@suse.de>
228 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
230 * regmove.c: Add prototype for replace_in_call_usage.
232 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
234 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
235 struct cpp_chunk, struct htab, struct toklist,
236 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
237 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
238 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
239 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
240 (struct macro_args): Delete.
241 * cpphash.h: See above.
243 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
245 * cppmain.c (struct printer): Remove no_line_dirs.
247 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
248 : Use options rather than CPP_OPTION.
249 (setup_callbacks): Use cb rather than pfile->cb.
250 (main): No need to check for a buffer. Use cpp_errors.
251 (printer_init): Don't set no_line_dirs.
252 (maybe_print_line): Use options not no_line_dirs.
253 (cb_file_change): Don't call print_line if -P.
255 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
257 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
259 * c-parse.in (finish_parse): Use cpp_errors.
260 (__yylex): Use return value of cpp_pop_buffer.
261 * cp/lex.c (finish_parse): Use cpp_errors.
262 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
264 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
266 * README.AVR: URLs corrected.
268 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
270 * c-decl.c (start_function): Don't warn if old prototype is builtin
271 that's not in C's namespace.
272 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
273 (_bb): Add prototype for ctime.
274 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
276 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
278 * i386.c (ix86_fp_comparison_arithmetics_cost,
279 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
280 ix86_fp_comparison_cost): New functions.
281 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
282 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
283 two-branch sequences; make static.
284 (ix86_use_fcomi_compare): Do decision according to the costs.
285 (split_fp_branch): New.
286 * i386.md (compare-and-branch patterns): Use split_fp_branch.
287 * i386-protos.h (ix86_expand_fp_compare): Remove
288 (ix86_split_fp_branch): Declare.
290 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
291 and ix86_comparison_operator.
293 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
296 * i386.c (put_condition_code): Output properly the unordered/ordered
298 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
300 * tm.texi (REVERSE_CONDITION): Document.
301 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
303 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
305 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
307 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
309 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
312 * config/sh/sh.c (mova_p): Fix test for mova_const.
314 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
316 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
317 cpp_get_options rather than dereferencing pfile and using
319 * scan-decls.c (scan_decls): Use return value of
320 cpp_pop_buffer rather than CPP_BUFFER.
322 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
324 * cppinit.c (cpp_handle_option): help_only is now part of the
325 cpp_options structure.
326 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
327 cpp_set_callbacks): New functions.
328 * cpplib.h (cpp_callbacks): Break out as a named structure.
329 (cpp_options): Move help_only here from cpp_reader.
330 (CPP_FATAL_ERRORS): Update to use cpp_errors.
331 (cpp_errors, cpp_get_options, cpp_get_callbacks,
332 cpp_set_callbacks): New prototypes.
333 * cppmain.c (main): Update for help_only.
335 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
337 * Makefile.in (info, maintainer-clean, install-info, uninstall):
338 Also build and remove and install and uninstall c-tree.info and
340 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
341 ($(srcdir)/cppinternals.info): New target.
342 * c-tree.texi: Change file name used when makeinfo used without -o
343 from ir.info to c-tree.info. Add info directory entry.
344 * cppinternals.texi: Add info directory entry.
345 * .cvsignore: Update.
347 2001-01-12 Jakub Jelinek <jakub@redhat.com>
349 * c-typeck.c (store_init_value): Don't require constant initializer
350 elements with -pedantic -std=c99.
351 (digest_init): Change error about non-constant initializer elements
353 (constructor_range_end): Remove.
354 (constructor_incremental, designator_depth,
355 designator_errorneous): New variables.
356 (struct constructor_stack): Remove range_end, add incremental.
357 (struct constructor_range_stack, constructor_range_stack): New.
358 (struct initializer_stack): Add constructor_range_stack.
359 (finish_init): Set it.
360 (start_init): Likewise. require_constant_elements for non-static
361 trees only if not flag_isoc99.
362 (really_start_incremental_init): Remove constructor_range_end, add
363 constructor_incremental.
364 (pop_init_level): Likewise.
365 (push_init_level): Likewise. If implicit and the subobject had some
366 value set already, preinitialize the level with it.
367 Warn about missing braces only if not pushing due to designators.
368 (set_designator, push_range_stack): New functions.
369 (set_init_label): Use them.
370 (set_init_index): Likewise. Remove constructor_range_end.
371 Error if designator index is outside of array bounds.
372 (add_pending_init): Compare values of purpose index trees, not the
373 trees themselves. Allow overwriting of already initialized element.
374 Issue a warning if it had side-effects.
375 (set_nonincremental_init, set_nonincremental_init_from_string): New
377 (pending_init_member): Rename to...
378 (find_init_member): ...this function. Call set_nonincremental_init
379 if necessary. Compare values of purpose index trees, not the trees
380 themselves. Return the actual value, not just non-zero if something
382 (output_init_element): Remove checks for duplicates.
383 If field has zero size, only check the initializer for correctness.
384 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
385 if constructor_incremental is zero. Change error about initializers
386 not computable at load time into pedwarn.
387 (output_pending_init_elements): Compare bit positions, not
388 FIELD_DECLs to take into account zero-sized fields.
389 (process_init_element): Use constructor_range_stack to fill all
390 ranges in the designator lists from current level up.
391 * extend.texi: Update documentation for labeled elements.
393 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
395 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
396 to function usage for arguments passed by reference. Optimize
397 callee-copied arguments.
398 * regmove.c (replace_in_call_usage): New function.
399 (fixup_match_1): Call it.
400 * cse.c (cse_insn): Canonicalize registers in function usage.
401 * reload1.c (replace_pseudos_in_call_usage): New function.
404 * Makefile.in: Reverted yesterday's wrong patch. Installed the
407 2001-01-12 Jakub Jelinek <jakub@redhat.com>
409 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
412 2001-01-12 DJ Delorie <dj@redhat.com>
414 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
415 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
418 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
420 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
421 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
422 -std options alongside references to -ansi. Update some
423 documentation for C99.
426 2001-01-12 Andreas Jaeger <aj@suse.de>
428 * haifa-sched.c (restore_line_notes): Remove argument block B
430 * sched-ebb.c (schedule_ebb): Change caller.
431 * sched-rgn.c (schedule_region): Likewise.
432 * sched-int.h (restore_line_notes): Adjust prototype.
434 * loop.h: Remove wrong declaration of doloop_condition_get.
436 2001-01-12 Phil Edwards <pme@sources.redhat.com>
438 * extend.texi: Move C++-extension-related node from the C section
439 into the C++ section.
441 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
443 * extend.texi: Refer to an array of pointers to functions instead
446 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
447 Jan Hubicka <jh@suse.cz>
449 * combine.c (reversed_comparison): Fix typo in last patch.
451 (combine_reversed_comparison_code): Make static to follow
452 prototype declaration.
454 2001-01-12 Phil Edwards <pme@sources.redhat.com>
456 * install.texi: Remove misplaced duplicate entry.
458 2001-01-11 Ulrich Drepper <drepper@redhat.com>
460 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
462 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
464 * final.c: (leaf_function_p): Fix typo.
466 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
468 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
469 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
471 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
472 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
473 mmap_anon, and valloc is available.
474 * ggc-page.c: Restructure ifdef logic to match new autoconf
475 spec. Don't throw away the test page in init_ggc.
477 * configure, config.in: Regenerate.
479 2001-01-12 Michael Hayes <mhayes@redhat.com>
481 * loop.h (total_biv_increment): Constify iv_class pointer.
482 (struct induction): Replace `mem_mode' with `mem' rtx.
483 * unroll.c (total_biv_increment): Constify iv_class pointer.
484 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
485 (find_mem_givs, combine_givs_p): Likewise.
486 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
488 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
490 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
492 (__gthread_getspecific): Ditto.
494 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
496 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
497 put_condition_code): Convert fp comparison codes to integer
499 (ix86_expand_fp_compare): Postnote the fp comparison code converison
502 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
503 * i386-protos.h (no_comparison_operator): Kill.
505 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
507 * combine.c (REVERSIBLE_CC_MODE): Remove.
508 (reversible_comparison_p): Remove.
509 (combine_reversed_comparison_code): New.
510 (reversed_comparison): New.
511 (combine_simplify_rtx): Use
512 combine_reversed_comparison_code/reversed_comparison instead
513 of reversible_comparison_p.
514 (simplify_if_then_else): Likewise.
515 (simplify_set): Likewise.
516 (simplify_logical): Likewise.
517 (if_then_else_cond): Likewise.
518 (known_cond): Likewise.
519 (simplify_comparison): Likewise.
521 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
523 * builtins.c (std_expand_builtin_va_start): Handle varargs when
524 sizeof (int) is larger than sizeof(__word__).
526 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
528 * cppinit.c (do_includes): Fix typo.
530 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
532 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
533 in S_REGS does not occur because not all sources are possible
534 when a S_REGS is a destination (sometimes needs a clobber).
535 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
536 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
537 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
538 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
539 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
540 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
541 (lshrdi_const1, lshrsi3_const16): Likewise.
542 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
543 (*movhi_68hc12, *movqi_68hc12): Likewise.
544 (movstrictqi): Make sure reloading in D_REGS as a destination
547 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
549 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
551 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
553 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
554 -D, -U and -A, and don't initialize the builtins.
555 (do_includes): Error if -include or -imacros with -fpreprocessed.
556 * cppmain.c (cb_define, cb_undef): Unconditionally process
558 * tradcpp.c (main): Fix typo.
560 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
562 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
563 (read_name_map): Use IS_ABSOLUTE_PATH.
564 * tradcpp.c (get_filename): Likewise.
566 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
568 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
569 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
570 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
571 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
572 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
573 (cmphi_z_used): Don't use '@' for the output.
574 (tstqi_z_used): Likewise.
575 (cmpqi_z_used): Likewise.
576 (one_cmplsi2): Likewise.
578 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
580 * config/sh/sh.c (barrier_align): Recognize branch around far
581 branch and redundant insn.
583 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
585 * invoke.texi: Restore documentation of the drivers' switches -MD
588 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
590 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
592 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
593 check-objc//%): Support parallel testing of multilibs.
594 (TESTSUITEDIR): Set to testsuite by default, but override for
596 (check-gcc, check-g++, check-g77, check-objc): Enter
599 2001-01-11 Bernd Schmidt <bernds@redhat.com>
601 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
602 * sched-deps.c (deps_may_trap_p): Likewise.
603 * basic-block.h: Remove a comment.
604 * flow.c (PROP_POSTRELOAD): Remove.
605 (update_life_info): Don't add it to prop_flags.
606 (mark_set_1): Lose the code that was enabled by it.
608 2001-01-11 Michael Hayes <mhayes@redhat.com>
610 * flow.c (flow_call_edges_add): New.
611 * basic_block.h (flow_call_edges_add): New.
613 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
615 * reload1.c (move2add_note_store): Update reg_set_luid even if
616 base reg remains the same.
618 2001-01-10 Nick Clifton <nickc@redhat.com>
620 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
621 machine_function structure to zero.
622 Add prototypes for machine_status functions.
624 2001-01-10 Mark Mitchell <mark@codesourcery.com>
626 * c-common.h (CTI_VOID_LIST): Remove.
627 (void_list_node): Likewise.
628 * tree.h (TI_VOID_LIST_NODE): New enumeral.
629 (void_list_node): New macro.
630 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
631 * config/i386/i386.c (ix86_init_builtins): Likewise.
632 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
634 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
636 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
637 * cppinit.c (cpp_start_read): Update comment, remove unneeded
639 * tradcpp.c: Include mkdeps.h.
640 (deps, print_deps_phony_targets, deps_append, output_deps,
641 init_dependency_output, output_deps): New.
642 (deps_buffer, deps_allocated_size, deps_size, deps_column,
643 deps_output): Delete.
644 (print_deps_missing_files): Rename deps_missing_files.
645 (inhibit_output): Make global.
646 (main): Delete inhibit_output, deps_stream, deps_target.
647 Use mkdeps functionality in the same way as cpplib. Remove
648 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
649 -M and -MM. Remove old handling of deps via deps_out, and
650 old reading of environment variables.
651 (get_filename): Update to use deps_add_dep.
653 2001-01-10 Mark Mitchell <mark@codesourcery.com>
655 * output.h (make_function_rtl): Remove prototype.
656 (make_decl_rtl): Likewise.
657 * varasm.c (make_function_rtl): Remove.
658 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
659 than from a third parameter.
660 * tree.h (make_decl_rtl): Remove last parameter.
661 * c-decl.c (builtin_function): Remove last argument in call to
662 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
663 (start_function): Likewise.
664 * except.c (call_get_eh_context): Likewise.
665 * expr.c (emit_block_move): Likewise.
666 (clear_storage): Likewise.
667 * profile.c (output_func_start_profiler): Likewise.
668 * toplev.c (rest_of_decl_compilation): Likewise.
669 * objc/objc-act.c (create_builtin_decl): Likewise.
670 (synth_module_prologue): Likewise.
671 (generate_static_reference): Likewise.
672 (build_selector_reference_decl): Likewise.
673 (build_class_reference_decl): Likewise.
674 (build_objc_string_decl): Likewise.
675 (build_protocol_reference): Likewise.
677 2001-01-10 Richard Henderson <rth@redhat.com>
679 * hwint.h: Revert yesterday's change.
681 2001-01-10 Nick Clifton <nickc@redhat.com>
683 * function.h (save_machine_status): Delete.
684 (restore_machine_status): Delete.
685 Amend comment describing {init|mark|free}_machine_status.
687 * function.c (save_machine_status): Delete.
688 (restore_machine_status): Delete.
689 Amend comment describing {init|mark|free}_machine_status.
690 (push_function_context_to): Remove invocation of
692 (pop_function_context_from): Remove invocation of
693 restore_machine_status.
695 * emit-rtl.c (init_emit_once): Amend comment describing
696 {init|mark|free}_machine_status.
698 * tm.texi (Per-Function Data): New node. Describe the
699 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
702 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
704 * cppinit.c (OPT_g): Remove.
705 (cpp_handle_option): Update for removed -g3.
706 (print_help): Update.
707 * cpplib.h (struct cpp_options): Remove debug_output.
708 * cppmain.c (setup_callbacks, cb_define): Update.
709 * gcc.c (cpp_options): Translate -g3 to -dD.
711 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
713 * config/i960/i960.md: Change modifier to + on the zero_extract
714 pattern after the (rotate -2 reg) canonicalization pattern.
716 2001-01-10 Richard Henderson <rth@redhat.com>
718 * config/alpha/alpha.c (alpha_free_machine_status): New.
719 (override_options): Install it.
720 (alpha_mark_machine_status): Verify machine non-null.
721 * config/i386/i386.c (ix86_free_machine_status): New.
722 (override_options): Install it.
723 (ix86_init_machine_status): Use xcalloc.
724 (ix86_mark_machine_status): Verify machine non-null.
725 * config/ia64/ia64.c (ia64_free_machine_status): New.
726 (ia64_override_options): Install it.
727 (ia64_mark_machine_status): Verify machine non-null.
729 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
731 * function.c (instantiate_virtual_regs): Instantiate virtual
732 registers found in CALL_INSN_FUNCTION_USAGE.
734 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
736 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
737 equivalent to -ansi in disabling -Di386.
739 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
741 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
743 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
745 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
747 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
749 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
751 * invoke.texi: Document that -fcond-mismatch isn't supported for
754 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
756 * gcc.texi: Define macro gcctabopt.
757 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
758 @command, @env and @option in some places where appropriate. Use
759 @gcctabopt where appropriate. Put URLs and email addresses inside
762 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
764 * gcc.c (cpp_options): Set MD file name from output
765 filename, if specified.
766 (suffix_subst): New static variable.
768 (do_spec_1, case '.'): Handle new `%.suffix' spec.
770 (give_switch): Handle suffix_subst.
772 2001-01-10 Phil Edwards <pme@sources.redhat.com>
774 * invoke.texi: Fix another typo.
776 2001-01-10 Phil Edwards <pme@sources.redhat.com>
778 * invoke.texi: Fix typo.
780 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
782 * c-lang.c (lang_hooks): Update.
783 (lang_decode_option): Remove.
784 (lang_init_options): Rename c_init_options.
785 * toplev.c (main): Use lang_hooks for lang_init_options
786 and lang_decode_option.
787 * toplev.h (lang_hooks): Add 2 new hooks.
788 * tree.h: Remove lang_init_options and lang_decode_option.
789 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
790 * cp/decl2.c: Similarly.
791 * cp/lex.c (lang_init_options): Rename cxx_init_options.
792 (lang_hooks): Update.
793 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
795 (lang_init_options): Rename ffe_init_options.
796 (lang_hooks): Update.
797 (lang_decode_option): Remove.
798 * java/lang.c (lang_init_options): Rename java_init_options.
799 (lang_decode_option): Rename java_decode_option.
800 (lang_hooks): Update.
801 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
802 (lang_decode_option): Rename objc_decode_option.
803 (lang_hooks): Update.
805 2001-01-09 Nick Clifton <nickc@redhat.com>
807 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
808 (d30v_return_addr_rtx): Delete.
809 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
810 cfun->machine structure.
811 (struct machine_function): Move to d30v.h
812 (d30v_save_machine_status): Delete.
813 (d30v_restore_machine_status): Delete.
814 (d30v_init_machine_status): New Function.
815 (d30v_mark_machine_status): New Function.
816 (d30v_free_machine_status): New Function.
817 (d30v_init_expanders): Use new functions.
818 (d30v_return_addr): Use ra_rtx field in cfun->machine.
819 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
820 d30v_return_addr_rtx.
822 * config/d30v/d30v.h (struct_machine): Move here.
823 Add eh_epilogue_sp_ofs field.
825 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
826 field in cfun->machine structure.
828 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
830 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
831 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
832 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
834 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
836 * objc/lang-options.h: Remove bogus reference to
839 2001-01-09 Kazu Hirata <kazu@hxi.com>
841 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
844 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
846 * reload.c (find_reloads_address): Check for eliminable registers
847 when substituting a constant expression for a pseudo.
849 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
851 * c-common.c (enum format_type): Add format_type_error.
852 (decode_format_type): New function.
853 (decl_attributes): Use it.
854 (format_kind_info): Adjust comment.
856 2001-01-09 David O'Brien <obrien@BSDi.com>
858 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
859 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
861 * config/i386/gnu.h: Don't include required platform specific .h files,
862 tm.h will do it instead.
863 * config/i386/i386elf.h: Likewise.
864 * config/i386/linux.h: Likewise.
865 * config/i386/moss.h: Likewise.
866 * config/mips/gnu.h: Likewise.
868 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
870 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
871 (rs6000-ibm-aix3.[01]*): Likewise.
872 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
873 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
874 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
875 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
876 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
877 (powerpc-*-eabiaix*): Likewise.
878 (powerpc-*-eabisim*): Likewise.
879 (powerpc-*-elf*): Likewise.
880 (powerpc-*-eabi*): Likewise.
881 (powerpc-*-rtems*): Likewise.
882 (powerpc-*-linux*libc1): Likewise.
883 (powerpc-*-linux*): Likewise.
884 (powerpc-wrs-vxworks*): Likewise.
885 (powerpcle-wrs-vxworks*): Likewise.
886 (powerpcle-*-sysv*): Likewise.
887 (powerpcle-*-elf*): Likewise.
888 (powerpcle-*-eabisim*): Likewise.
889 (powerpcle-*-eabi*): Likewise.
890 (powerpcle-*-solaris2*): Likewise.
891 * config/rs6000/aix31.h: Delete includes.
892 * config/rs6000/aix3newas.h: Likewise.
893 * config/rs6000/aix41.h: Likewise.
894 * config/rs6000/aix43.h: Likewise.
895 * config/rs6000/beos.h: Likewise.
896 * config/rs6000/rtems.h: Likewise.
897 * config/rs6000/sysv4.h: Likewise.
899 2001-01-09 Kazu Hirata <kazu@hxi.com>
901 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
902 Change an argument mode of machine_mode to shift_mode of
903 shift_mode. Remove an extra error check.
904 (emit_a_shift): Adopt to the new calling prototype of
906 (function_prologue): Fix code for a monitor
907 function. Support H8/S.
908 (function_epilogue): Do not output pop for a monitor function.
910 2001-01-09 Nick Clifton <nickc@redhat.com>
912 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
913 (setup_incoming_varargs): Use sysv_varargs_p field of the
914 cfun->machine structure.
915 (struct machine_function): Move to rs6000.h
916 (rs6000_save_machine_status): Delete.
917 (rs6000_restore_machine_status): Delete.
918 (rs6000_init_machine_status): New Function.
919 (rs6000_free_machine_status): New Function.
920 (rs6000_init_expanders): Use new functions.
922 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
924 (struct machine_function): Move here.
926 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
927 sysv_varargs_p field of the cfun->machine structure.
929 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
931 (rs6000_restore_machine_status): Remove prototype.
933 2001-01-09 Richard Henderson <rth@redhat.com>
935 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
936 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
937 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
938 (sched_analyze_2, sched_analyze_insn): Likewise.
939 (sched_analyze, init_deps): Likewise.
940 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
941 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
942 (compute_block_backward_dependences): Update propagate_deps call.
944 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
946 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
948 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
950 * cppinit.c (OPT_MD, OPT_MMD): Restore.
951 (cpp_handle_option): Handle them.
952 (cpp_post_options): Ensure one of -M or -MM is specified with
953 any other -M? option.
954 (init_dependency_output): Suppress output with -MG.
956 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
959 * invoke.texi: Update.
961 2001-01-09 Bernd Schmidt <bernds@redhat.com>
963 * sh.md (reload_outsf): Generate recognizable patterns for
966 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
968 * c-lang.c (lang_hooks): Update.
969 (lang_init): Rename c_init.
970 (lang_finish): Remove.
971 * toplev.c (compile_file): Use lang_hooks for lang_init ()
973 * toplev.h (lang_hooks): Add init () and finish ().
974 * tree.h (lang_init, lang_finish): Remove.
975 * cp/tree.h (lang_init, lang_finish): Remove.
976 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
977 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
979 (lang_init, lang_finish): Remove.
980 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
981 (lang_hooks): Update.
982 * java/lang.c (lang_init): Rename java_init.
983 (lang_finish): Remove.
984 (lang_hooks): Update.
985 * objc/objc-act.c (lang_init): Rename objc_init.
986 (lang_finish): Remove.
987 (lang_hoooks): Update.
989 20001-01-09 Graham Stott <grahams@redhat.com>
991 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
992 after `ptr` is initialised.
994 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
996 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
997 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
998 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
999 stack adjusts, instead of r3.
1001 2001-01-09 Michael Hayes <mhayes@redhat.com>
1003 * flow.c (flow_loop_scan): Break out of ...
1004 (flow_loops_find) ... here.
1005 * basic-block.h (flow_loop_scan): New.
1006 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1007 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1009 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1011 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1013 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1014 realloc()ing macro_buffer.
1016 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1017 if it's wider than long and the target's long is wider than the
1020 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1022 Remove support for using UWIN as a host machine.
1023 * configure.in: Issue an error message.
1024 * configure: Regenerated.
1025 * config.gcc: Remove xm_* UWIN configury.
1026 * config/i386/xm-uwin.h: Remove.
1028 2001-01-08 Nick Clifton <nickc@redhat.com>
1030 * config/v850/v850.c (ra_rtx): Delete.
1031 (v850_save_machine_status): Delete.
1032 (v850_restore_machine_status): Delete.
1033 (v850_init_machine_status): New function.
1034 (v850_mark_machine_status): New function.
1035 (v850_free_machine_status): New function.
1036 (v850_return_addr): Use ra_rtx field in machine structure.
1037 (v850_init_expanders): Use new functions.
1039 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1040 * config/v850/v850.c: Change arguments to v850_output+* functions
1041 to take a const char *, to avoid compile time warning.
1042 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1043 (USER_LABEL_PREFIX): Redefine.
1045 2000-01-08 Jim Wilson <wilson@redhat.com>
1047 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1048 1 to unsigned HOST_WIDE_INT before left shift.
1050 2001-01-08 Nick Clifton <nickc@redhat.com>
1052 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1053 the machine structure has been allocated.
1054 (arm_free_machine_status): New function: Free the machine
1055 specific function structure.
1057 2001-01-08 Richard Henderson <rth@redhat.com>
1059 * jump.c (simplejump_p): Revert last change.
1061 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1063 * cppinit.c (init): Rename init_library.
1064 (cpp_create_reader): Update.
1065 * gcc.c (cpp_options): If -o given, use it as the target of
1068 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1070 * arm.c (arm_arch5e): New variable.
1071 (all_cores): XScale is a 5TE device.
1072 (arm_override_options): Set arm_arch5e.
1073 (arm_init_builtins): __builtin_prefetch is in arch5e.
1074 * arm.h (arm_arch5e): Declare it.
1076 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1078 * arm.md (define_constants): Add defines for UNSPEC and
1079 UNSPEC_VOLATILE insns. Update all users.
1080 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1081 * arm.c (multi_register_push, note_invalid_constants)
1082 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1083 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1084 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1086 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1088 * jump.c (jump_optimize_1): Use reversed_comparison_code
1089 instead of can_reverse_comparison_p.
1090 (jump_back_p): Likewise.
1091 (invert_exp_1): Likewise.
1092 (thread_jumps): Likewise.
1093 * simplify-rtx.c (simplify_unary_operation): Likewise.
1094 (simplify_ternary_operation): Likewise.
1095 * cse.c (find_comparison_args): Convert to use
1096 can_reverse_comparison_p.
1097 (record_jump_equiv): Likewise.
1099 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1101 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1102 (EPILOGUE_USES): Define.
1103 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1104 automatically stack the LR if it isn't live.
1106 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1111 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1113 * ggc-page.c (max_alignment): New structure.
1114 (MAX_ALIGNMENT): New macro.
1115 (init_ggc): Use it to round up the sizes in the
1116 extra_order_size_table.
1118 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1120 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1123 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1125 * builtins.def (BUILT_IN_FPRINTF): New entry.
1127 * c-common.c (c_expand_builtin_fprintf): New function.
1128 (init_function_format_info): Handle __builtin_fprintf.
1129 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1130 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1132 * c-decl.c (duplicate_decls): Adjust comment.
1134 * extend.texi (fprintf): Document new builtin.
1136 2001-01-07 Richard Henderson <rth@redhat.com>
1138 * jump.c (simplejump_p): Recognize any single_set jump
1141 2001-01-07 Richard Henderson <rth@redhat.com>
1143 * configure.in (slibdir): Accept an --with-slibdir option.
1144 Use "test" not "[" in configure. Default to $(libdir).
1146 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1148 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1149 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1150 (SHLIB_LINK): Create links for the soname.
1151 * config/mips/t-iris6: Likewise.
1152 * config/sparc/t-slibgcc: Likewise.
1153 * config/sparc/t-slibgcc-sld: Likewise.
1155 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1157 * config/i386/i386.c (constant_call_address_operand): Accept
1158 (const (plus (symbol_ref) (const_int))).
1159 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1160 constant_call_address_operand.
1162 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1164 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1165 and LONG_LONG_TYPE_SIZE > 32.
1167 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1169 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1170 the previous change.
1172 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1174 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1176 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1177 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1178 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1181 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1183 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1185 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1187 * c-lang.c (c_post_options): Call cpp_post_options.
1188 * objc/objc-act.c (objc_post_options): Similarly.
1189 * cppmain.c (main): Similarly.
1190 * fix-header.c (read_scan_file): Similarly.
1191 * cppinit.c (cpp_start_read): Move option consistency checks
1192 to cpp_post_options. Don't call init_dependency_output.
1193 If needed, add default target and main file dependency.
1194 (OPT_MD, OPT_MMD): Remove.
1196 (cpp_handle_option): Update for OPT_* changes.
1197 (cpp_post_options): New.
1198 (init_dependency_output): Command line -MF overrides environment
1199 variables. Don't set default target etc. Suppress output
1200 if dependencies are going to stdout.
1201 (print_help): Update.
1202 * cpplib.h (cpp_post_options): New.
1203 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1205 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1207 * jump.c (comparison_dominates_p): Support unordered compares.
1209 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1211 * simplify-rtx.c (simplify_relational_operation): Always simplify
1212 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1215 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1217 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1218 (nonzero_bits): Likewise.
1219 (simplify_comparison): Likewise.
1220 (num_sign_bit_copies): Likewise; return more sane value depending
1221 on STORE_FLAG_VALUE.
1222 (known_cond): Do not assume EQ to be always true for equivalent
1225 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1227 * cse.c (fold_rtx): Handle unordered comparisons.
1229 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1231 * rtlanal.c (set_of_1): New static function.
1232 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1233 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1234 reg_set_last_last_regno): Remove.
1235 (set_of): New global function.
1236 (set_of_data): New structure.
1237 (reg_set_p, reg_set_last): Revamp for set_of.
1238 * rtl.h (set_of): New.
1240 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1242 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1243 * extend.texi: Document _Exit builtin.
1245 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1247 * (initialize, initialize_builtins,
1248 initialize_dependency_output, initialize_standard_includes):
1249 Rename s/initialize/init. Update.
1250 (init_dependency_output): Move to after
1251 cpp_handle_options, the correct location temporally at least.
1252 (opt_comp): Move next to init (), its caller. Fix prototype.
1253 (init): Make "initialized" local scope.
1254 (cpp_create_reader): Always call init ().
1255 (cpp_start_read): Update.
1256 (output_deps): New function, broken out of cpp_finish.
1257 (cpp_finish): Break out output_deps.
1259 2001-01-07 Richard Henderson <rth@redhat.com>
1261 * collect2.c (COFF specific stuff): Revert 12-06 patch
1262 to prototype system functions.
1264 2001-01-07 Michael Hayes <mhayes@redhat.com>
1266 * hard-reg-set.h: Add multiple include guard.
1267 * basic-block.h (struct loop): Add `sink' field.
1268 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1269 (emit_iv_add_mult): Delete.
1270 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1271 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1272 (unroll_loop): Remove end_insert_before argument.
1273 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1274 (maybe_eliminate_biv_1): Likewise.
1275 (emit_iv_add_mult): Delete.
1276 (gen_add_mult, loop_regs_update): New.
1277 (loop_insn_emit_after, loop_insn_emit_before): New.
1278 (loop_insn_sink, loop_insn_sink_or_swim): New.
1279 (emit_iv_add_mult): Delete.
1280 (scan_loop): Set loop->sink.
1281 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1282 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1283 (maybe_eliminate_biv_1): Likewise.
1284 (maybe_eliminate_biv_1): Add basic block argument.
1285 * unroll.c (unroll_loop): Remove end_insert_before argument.
1286 (find_splittable_regs): Likewise.
1287 (find_splittable_regs): Use loop_insn_sink and its ilk.
1288 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1290 2001-01-07 Michael Hayes <mhayes@redhat.com>
1292 * loop.h (loop_insn_hoist): New prototype.
1293 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1294 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1295 (check_dbra_loop, load_mems): Likewise.
1296 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1297 (find_splittable_givs): Likewise.
1299 2001-01-07 Michael Hayes <mhayes@redhat.com>
1301 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1303 2001-01-07 Richard Henderson <rth@redhat.com>
1305 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1307 2001-01-07 Richard Henderson <rth@redhat.com>
1309 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1310 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1311 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1312 variant that handles a shared libgcc.
1313 (process_command): Always validate -{static,shared}-libgcc.
1314 (do_spec_1): New 'M' case.
1315 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1317 2001-01-07 Richard Henderson <rth@redhat.com>
1319 * Makefile.in (slibdir): New variable.
1320 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1321 (installdirs): Create slibdir.
1322 (install-libgcc, install-multilib): Defer to libgcc.mk.
1323 * configure.in (slibdir): Substitute.
1324 * mklibgcc.in (install): New target.
1326 * config/t-linux (SHLIB_LINK): Create links for the soname.
1327 (SHLIB_INSTALL): New.
1328 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1329 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1330 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1331 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1332 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1334 2001-01-07 Richard Henderson <rth@redhat.com>
1336 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1337 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1338 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1340 2001-01-07 Michael Hayes <mhayes@redhat.com>
1342 * loop.c (count_loop_regs_set): Delete.
1343 (load_mems_and_recount_loop_regs_set): Delete.
1344 (loop_regs_scan): Merge common code from count_loop_regs_set,
1345 scan_loop, and load_mems_and_recount_loop_regs_set.
1346 (scan_loop): Call load_mems directly and loop_regs_scan
1347 again if new registers created.
1349 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1351 * toplev.c (main): Call the front-end specific post_options
1352 hook if one is given.
1353 * toplev.h (struct_lang_hooks, lang_hooks): New.
1354 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1355 for the C front end.
1356 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1357 lang_hooks for the C++ front end.
1358 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1359 lang_hooks for the ObjC front end.
1360 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1361 * java/lang.c (lang_hooks): Hooks for the Java front end.
1363 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1365 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1366 for verbose DWARF[2] debugging.
1367 (cb_define, cb_undef): The new callbacks.
1368 * toplev.h (debug_define, debug_undef): Make const correct.
1369 * toplev.c (debug_define, debug_undef): Similarly. Do not
1370 perform the verbosity tests here anymore.
1372 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1374 * reload.c (subst_reloads): Take INSN argument. When
1375 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1376 * reload.h (subst_reloads): Adjust prototype.
1377 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1378 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1379 present in JUMP_INSNs and copy them to JUMP_LABEL.
1380 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1381 JUMP_INSNs and insns with REG_LABELs that are followed by
1382 JUMP_INSNs with the same REG_LABEL.
1383 * sched-rgn.c (is_cfg_nonregular): Likewise.
1384 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1386 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1388 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1390 2001-01-06 Richard Henderson <rth@redhat.com>
1392 * loop.c (scan_loop): Use xcalloc for the regs array.
1393 (load_mems_and_recount_loop_regs_set): Zero the new memory
1394 received from xrealloc.
1396 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1398 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1400 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1402 * integrate.c (copy_rtx_and_substitute): When copying
1403 an ignored return value, strip REG_FUNCTION_VALUE_P.
1405 2001-01-06 Michael Hayes <mhayes@redhat.com>
1407 * loop.c (debug_biv, debug_giv): New.
1408 (loop_biv_dump): Break out from ...
1409 (record_biv): ... here.
1410 (loop_giv_dump): Break out from ...
1411 (record_giv): ... here.
1412 (loop_bivs_check): Use print_simple_rtl.
1413 * unroll.c (loop_iterations): Use print_simple_rtl.
1415 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1417 * pa.md (return, return_internal): Modify patterns to prevent regrename
1418 mucking with the return pointer.
1420 2001-01-05 Richard Henderson <rth@redhat.com>
1422 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1424 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1426 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1427 version supplied by Matteo Frigo.
1429 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1431 * cpp.texi: Update for -MQ.
1432 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1433 (cpp_cleanup): Always free pfile->deps.
1434 (initialize_dependency_output): Don't create pfile->deps.
1435 (cpp_handle_option): Similarly.
1437 * gcc.c (cpp_options): Handle -MQ.
1438 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1439 * mkdeps.c (base_name): Remove.
1440 (deps_init): Don't allocate vector space until it's needed.
1441 (deps_free): Only free vectors if allocated.
1442 (deps_add_target, deps_add_dep): Update for initial allocation.
1443 (deps_add_default_target): Don't strip to the base_name.
1445 2001-01-05 DJ Delorie <dj@redhat.com>
1447 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1448 (INIT_EXPANDERS): Define.
1450 * config/v850/v850.c (struct machine_function): Define.
1451 (v850_save_machine_status): New function.
1452 (v850_restore_machine_status): New function.
1453 (v850_return_addr): New function.
1454 (v850_init_expanders): New function.
1456 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1457 and v850_init_expanders.
1459 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1461 * cpplib.h (struct cpp_reader): Add help_only field.
1462 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1463 (cpp_handle_option): Set pfile->help_only if we see -h,
1464 --help, -target-help, or --version. Print version string but
1465 do not set help_only if we see -v or -version. Make text
1466 printed by -v match that printed by (-)-version.
1468 * cppmain.c (main): Exit after option parsing if
1469 pfile->help_only is true.
1471 * toplev.c (independent_decode_option): Call print_version,
1472 then exit, if we see --version (but not -version).
1473 (print_version): Split lengthy message into two lines.
1475 2001-01-05 Nick Clifton <nickc@redhat.com>
1477 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1478 temporary string for initialisation before calling ggc_alloc_string.
1480 2001-01-06 Michael Hayes <mhayes@redhat.com>
1482 * rtl.h (print_simple_rtl): New.
1483 * print-rtl.c (print_simple_rtl): New.
1485 (print_rtx): Disable printing of flags and modes, etc.,
1486 if `flag_simple` nonzero.
1488 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1490 * function.c (fixup_var_refs): Use push_to_full_sequence where
1493 2001-01-05 Michael Meissner <meissner@redhat.com>
1495 * flags.h (flag_reorder_blocks): Add declaration.
1496 (flag_rename_block): Ditto.
1498 2001-01-05 DJ Delorie <dj@redhat.com>
1500 * function.c (reorder_blocks): Make sure the flags are all reset
1501 before using them to mark blocks, else a second invocation will
1502 corrupt the block chain.
1503 (reorder_blocks_0): New, resets the flags.
1505 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1507 * cse.c (find_comparison_args): Stop if the argument is known to
1510 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1512 * config/sh/sh.md (movdf): When splitting load into pair of
1513 registers, don't clobber the register used in the address too
1516 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1518 * varasm.c (mark_constant_pool): Improve initial comments.
1519 (mark_constants): Move marking of constants to mark_constant.
1520 (mark_constant): New function to recursively mark all constants
1521 referred to by a constant.
1523 2001-01-05 Catherine Moore <clm@redhat.com>
1525 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1527 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1529 * cp/lang-options.h: Bring comment in line with reality.
1530 * f/lang-options.h: Likewise.
1531 * java/lang-options.h: Likewise.
1532 * objc/lang-options.h: Likewise.
1533 * ch/lang-options.h: Likewise.
1534 * f/g77.texi: And update the manual.
1536 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1537 Denis Chertykov <denisc@overta.ru>
1539 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1540 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1541 * config/avr/avr.md (all peepholes that request a scratch register):
1542 Call it, FAIL the peephole if not safe (in interrupt functions).
1544 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1546 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1548 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1550 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1552 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1553 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1554 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1555 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1556 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1558 * extend.texi: Document these builtins.
1560 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1562 * c-common.c (lang_get_alias_set): Say we know nothing of
1563 VECTOR_TYPE aliasing.
1565 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1567 2001-01-05 Bruce Korb <bkorb@gnu.org>
1569 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1570 their x* equivalent versions for atexit-less systems
1571 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1572 systems (or any other system any more).
1574 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1576 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1577 output operands. Use arm_hard_register_operand for operand 4.
1578 (stmsi_postinc): Similarly.
1579 (ldmsi): Use arm_hard_register_operand for opernand 2.
1581 * arm.c (arm_hard_register_operand): New function.
1582 * arm-protos.h (arm_hard_register_operand): Prototype it.
1584 * arm.h (HARD_REGNO_RENAME_OK): Define.
1586 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1588 * simplify-rtx.c (cfc_args): add "unordered" field.
1589 (check_fold_consts): Set unordered field.
1590 (simplify_relational_operation): Simplify the unordered
1593 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1596 * emit-rtl.c (try_split): Fix code to mark labels.
1597 * jump.c (mark_jump_label): Make global.
1598 * rtl.h (mark_jump_label): Declare.
1600 * predict.c (estimate_probability): Handle unordred comparisons.
1602 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1604 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1605 * cppinit.c (initialize_dependency_output): Update.
1606 (cpp_finish): Output dummy targets for -MP.
1608 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1609 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1610 * gcc.c (cpp_options): Update to handle -MP.
1611 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1612 to quote only the default target.
1613 (deps_phony_targets): Insert a preceding newline. Rename from
1614 deps_dummy_targets for consistency.
1617 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1619 * calls.c (emit_library_call_value_1): Support
1620 INIT_CUMULATIVE_LIBCALL_ARGS.
1621 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1623 2001-01-04 Richard Henderson <rth@redhat.com>
1625 * c-decl.c (finish_struct): Detect flexible array members
1626 used in an inappropriate context.
1627 * c-typeck.c (really_start_incremental_init): Special case
1628 constructor_max_index for zero length arrays.
1629 (pop_init_level): Allow initialization of flexible array
1630 members. Deprecate initialization of zero length arrays.
1631 Don't issue missing initializer warning for flexible array
1632 members or zero length arrays.
1633 (process_init_element): Don't dereference null DECL_SIZE.
1634 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1635 Don't abort for empty constructors. Use size_binop
1636 (output_constructor): Add commentary regarding zero length
1637 array futures. Abort if we try to initialize an array of
1638 unspecified length with a non-empty constructor in the middle
1641 * extend.texi (Zero Length): Update and clarify documentation
1642 on static initialization.
1644 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1646 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1647 with more than 32767 words of local storage.
1649 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1651 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1652 for 'abs', 'labs', and 'fabs'.
1653 (c4x_expand_builtin): Likewise.
1654 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1656 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1658 * config/sh/sh.md (prget, prset): New insn types.
1659 (return delay slot): Dont' allow prset.
1660 (call, sfunc delay slot): Don't allow prget.
1661 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1662 for prset and prget.
1664 2001-01-05 Michael Hayes <mhayes@redhat.com>
1666 * loop.h (struct loop_reg): New.
1667 (struct loop_regs): Change to use array of `struct loop_reg'.
1668 * loop.c: Replace assortment of varrays with single regs array.
1669 (count_one_set): Delete may_not_move array argument
1670 and use regs array instead. All caller's changed.
1671 (count_loop_regs_set): Delete may_not_move and single_usage
1672 arguments and use regs array instead. All caller's changed.
1673 (find_single_use_in_loop): Replace usage array argument with pointer
1674 to regs structure. All caller's changed.
1675 (loop_optimize): Delete `moved_once' array.
1677 2001-01-05 Michael Hayes <mhayes@redhat.com>
1679 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1680 Use it instead of loop_info->has_call for scanning loop mems.
1681 (check_dbra_loop): Replace loop_info->has_call test with
1682 loop_info->has_nonconst_call.
1684 2000-01-04 Matthew Hiller <hiller@redhat.com>
1686 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1689 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1691 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1692 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1694 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1696 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1697 (flag_short_double, flag_short_wchar): Define.
1698 (c_common_nodes_and_builtins): Create many tree nodes shared
1699 between C and C++ here instead of in cp/decl.c and ...
1700 * c-decl.c (init_decl_processing): ... here.
1701 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1702 (flag_short_double, flag_short_wchar): Don't define.
1703 (record_builtin_type): New function.
1704 (build_void_list_node): New function.
1705 * c-common.h (flag_short_double, flag_short_wchar,
1706 record_builtin_type, build_void_list_node): Declare.
1708 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1710 * integrate.c (expand_inline_function): Don't put a virtual
1711 register into the reg map.
1713 * function.c (fixup_var_refs_1): If force_operand didn't put
1714 the address into the target, move it there.
1716 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1718 Special-case tree_decl/tree_list allocations.
1719 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1720 (OBJECT_SIZE): New macro.
1721 (NUM_EXTRA_ORDER): Likewise.
1722 (extra_order_size_table): New variable.
1723 (NUM_ORDERS): New macro.
1724 (objects_per_page_table): New variable.
1725 (object_size_table): New variable.
1726 (G.pages): Use NUM_ORDERS to bound the array.
1727 (G.page_tails): Likewise.
1728 (DIV_ROUND_UP): Remove.
1729 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1730 (alloc_page): Use OBJECT_SIZE.
1731 (size_lookup): Don't make it const.
1732 (ggc_alloc): Use OBJECT_SIZE.
1733 (ggc_set_mark): Likewise.
1734 (ggc_get_size): Likewise.
1735 (init_ggc): Set up the object_size_table, objects_per_page_table,
1736 and adjust size_lookup.
1737 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1738 (ggc_pop_context): Use NUM_ORDERS.
1739 (clear_marks): Likewise.
1740 (sweep_pages): Likewise.
1741 (poison_pages): Likewise.
1742 (ggc_print_statistics): Use OBJECT_SIZE.
1744 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1746 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1747 Only call array_size_for_constructor if last field and array type
1748 with no upper bound.
1750 2001-01-04 Philip Blundell <philb@gnu.org>
1752 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1753 from bit 31 downwards, if this requires no more insns.
1754 (count_insns_for_constant): New helper function for above.
1756 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1758 * gencodes.c (output_predicate_decls): Remove empty initializer.
1760 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1762 * tree.c (copy_node): Remove documentation about obstacks.
1763 (buidl1): Check that nobody tries to build 2-argument nodes this
1766 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1768 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1771 * gencodes.c (output_predicate_decls): Fill empty initializer
1774 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1776 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1777 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1779 (do_include): Handle missing headers like cpp0.
1780 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1781 paths with first include pathname. Don't strcat to uninitialized
1784 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1786 * regrename.c (regrename_optimize): Don't rename from frame pointer
1787 if frame_pointer_needed.
1788 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1789 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1790 (ia64_reorg): Use it instead of scheduling if ! optimize.
1791 (errata_emit_nops): Properly call asm_noperands.
1792 (ia64_sched_reorder): Finish cycle if we see an asm.
1793 (ia64_variable_issue): Clear scheduling state after asms.
1795 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1797 * cpp.texi: Update for -MT.
1798 * cppinit.c (initialize_dependency_output): Add a default
1799 target if none has been given already.
1800 (no_tgt, OPT_MT): New.
1801 (cpp_handle_option): Handle -MT. Update -M etc.
1802 * cpplib.h (struct cpp_options): Remove deps_target.
1803 * gcc.c (cpp_options): Handle -MT.
1804 * mkdeps.c (struct deps): Move from mkdeps.h.
1805 (deps_calc_target): Rename deps_add_default_target. Add a
1806 default target if none has been specified already.
1807 * mkdeps.h (struct deps): Move to mkdeps.c.
1808 (deps_calc_target): Rename deps_add_default_target.
1810 2000-01-03 Richard Henderson <rth@redhat.com>
1812 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1814 * c-typeck.c (push_init_level): Move checks for flexible array
1815 members and zero length arrays ...
1816 (pop_init_level): ... here. Silently discard empty initializations.
1818 * varasm.c (output_constructor): Update for sizeof change to
1821 * extend.texi (Zero Length): Clarify semantics.
1823 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1825 * configure.in (tm.h): Include isns-codes.h last.
1826 * configure: Rebuilt.
1828 2001-01-03 Richard Henderson <rth@redhat.com>
1830 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1831 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1833 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1835 * tradcpp.c (main): Make sure finclude() is called with a valid
1836 indepth value while handling -include.
1838 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1840 * gencodes.c (output_predicate_decls): New function.
1842 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1843 even if it is not the first time machmode.h is #included.
1844 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1845 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1846 * gcc.texi (Copyright): Added 2001.
1848 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1850 * c-common.c (c_common_lang_init): New function. Warn if format
1851 warning options which only have effects when used with -Wformat
1852 are used without -Wformat.
1853 * c-common.h (c_common_lang_init): Declare.
1854 * c-lang.c (lang_init): Call c_common_lang_init.
1855 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1857 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1859 * configure.in: Check for the mktemp command.
1860 * configure: Regenerate.
1861 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1862 $TEMP. Create temporary files with mktemp, if available at
1863 configure time; otherwise use set -C. Remove temporary files
1866 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1868 * configure.in: Require at least texinfo 4.0. Check for whether
1869 Pod::Man is sufficiently recent to regenerate GCC manpages.
1870 * configure: Regenerate.
1871 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1873 (GENERATED_MANPAGES): Define.
1874 (generated-manpages): New target. Depend on cpp.1 as well as
1876 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1877 configure to generated-manpages or empty) rather than on the
1878 manpages directly. Remove execute permission from installed
1879 gcov.1 as well as cpp.1.
1880 * cpp.1, gcov.1: Regenerate.
1882 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1884 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1885 tree_low_cst. Allow using cmpstrsi in more cases.
1887 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1889 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1892 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1894 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1895 * Makefile.in (HOST_CFLAGS): Mention build-make.
1897 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1899 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1902 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1904 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1907 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1910 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1911 reg_base_value and reg_known_value arrays.
1912 (init_alias_analysis): Add more cases to detect known values.
1913 * sched-deps.c (deps_may_trap_p): New function.
1914 (sched_analyze_2): Use it.
1916 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1918 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1919 don't discard an ASHIFTRT if we're shifting in a wider mode.
1921 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1923 * toplev.c (rest_of_compilation): Don't print basic block information
1924 when CFG isn't up to date.
1926 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1928 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1929 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1930 (UNALIGNED_SHORT_ASM_OP): Define.
1931 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1933 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1935 * fold-const.c (fold_convert): Fix typo.
1937 2001-01-02 Richard Henderson <rth@redhat.com>
1939 * c-common.h (ASM_INPUT_P): New.
1940 * c-parse.in (asm): Set it when needed.
1941 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1942 existance of an operand.
1944 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1946 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1947 (dwarf2out_frame_debug_expr): Likewise.
1948 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1950 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1952 * i386.c (ix86_split_to_parts): Return number of part required;
1954 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1956 (ix86_split_long_move): Use number of part returned
1957 by ix86_split_to_parts
1958 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1960 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1961 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1962 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1963 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1964 (ALIGN_MODE_128): Add TFmode.
1965 (IS_STACK_MODE): Likewise.
1966 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1967 (HARD_REGNO_OK): Support TFmodes.
1968 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1969 * i386.md (scheduler definitions): Use memory operand to determine
1970 fst/fld instructions; use mode attribute to determine real mode of
1972 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1973 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1975 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1977 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1979 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1981 * expr.c (store_constructor_field): Update ALIGN before calling
1984 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1986 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1989 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1991 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1994 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1996 * c-decl.c (start_function): Don't warn on third parameter to main.
1998 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2000 * tsystem.h: Define HAVE_DECL_GETOPT.
2002 2001-01-02 Philip Blundell <pb@futuretv.com>
2004 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2007 2001-01-02 Richard Henderson <rth@redhat.com>
2009 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2011 2001-01-02 Andreas Jaeger <aj@suse.de>
2013 * c-decl.c (c_decode_option): Remove support of
2016 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2017 (W_options): Add -Wmissing-noreturn here.
2019 * flow.c: Define lang_missing_noreturn_ok_p.
2020 (check_function_return_warnings): Use it.
2022 * c-common.h: Declare lang_missing_noreturn_ok_p.
2024 * c-lang.c (c_missing_noreturn_ok_p): New function.
2025 (lang_init): Set lang_missing_noreturn_ok_p.
2027 * invoke.texi (Warning Options): Document this.
2029 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2031 * extend.texi (C++ Extensions): New node for C++ attributes;
2032 describe init_priority and com_interface.
2033 * invoke.texi: Remove -finit-priority as it now has zero effect.
2034 * install.texi: Fix xref syntax.
2035 * md.texi: Likewise.
2037 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2039 * config.gcc (sparc64-wrs-vxworks*): New case.
2040 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2042 * config/sparc/sparc.c (sparc_override_options): Do support different
2043 pointer and architecture size.
2044 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2045 (POINTERS_EXTEND_UNSIGNED): Define.
2046 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2047 (FUNCTION_MODE): Define to be Pmode.
2048 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2050 * function.c (expand_function_end): Properly handle DECL_RESULT
2051 and copy when ptr_mode != Pmode.
2052 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2054 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2056 * c-common.c (c_common_nodes_and_builtins): Set prototype
2057 parameters for __builtin_fputs, __builtin_fputc and
2058 __builtin_fwrite. Don't declare plain fputc as a builtin.
2060 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2062 * loop.c (add_label_notes): Increment the label usage count when
2063 a note is added to an insn which refers to a CODE_LABEL.
2064 * gcse.c (add_label_notes): Likewise.
2066 2001-01-01 Andreas Jaeger <aj@suse.de>
2068 * loop.c (scan_loop): Use xmalloc to allocate movables.
2070 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2072 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2073 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2074 * reload1.c (REGISTER_MOVE_COST): Likewise.
2075 * regclass.c (REGISTER_MOVE_COST): Likewise.
2076 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2077 dimension. Adjust all users.
2078 (init_reg_sets_1): Iterate on all modes.
2079 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2080 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2081 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2082 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2083 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2084 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2085 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2086 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2087 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2088 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2089 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2090 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2091 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2092 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2093 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2094 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2095 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2096 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2097 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2098 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2099 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2100 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2101 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2102 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2103 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2104 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2105 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2107 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2109 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2110 arg VARIES_P. Call it with extra arg.
2111 (true_dependence): Likewise.
2112 * rtl.h (rtx_addr_can_trap_p): Declare.
2113 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2115 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2116 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2117 pic offset table register if it's zero. All callers changed.
2118 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2120 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2122 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2123 STRING_POOL_ADDRESS_P.
2125 * config/sparc/sparc.c (input_operand): Properly test for short op.
2127 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2128 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2129 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2130 * config/sparc/elf.h: No longer include sol2.h.
2131 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2132 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2134 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2136 2001-01-01 Michael Hayes <mhayes@redhat.com>
2138 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2139 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2140 (record_initial): Likewise.
2141 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2142 (remap_split_bivs): Likewise.
2144 2001-01-01 Michael Hayes <mhayes@redhat.com>
2146 * loop.c (loop_ivs_free): New function.
2147 (strength_reduce): Break out from...
2149 2001-01-01 Michael Hayes <mhayes@redhat.com>
2151 * loop.h (struct iv): New.
2152 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2153 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2154 'reg_biv_class' fields with 'regs' and 'n_regs'.
2155 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2156 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2157 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2159 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2161 * resource.c (mark_referenced_resources): Abort() before
2162 attempting to mark a pseudo register.
2163 (mark_set_resources): Likewise.
2165 2001-01-01 Michael Hayes <mhayes@redhat.com>
2167 * loop.h (REG_IV_CLASS): New accessor macro.
2168 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2169 * unroll.c (REG_IV_CLASS): Likewise.
2171 See ChangeLog.4 for earlier changes.
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