1 2001-01-15 DJ Delorie <dj@redhat.com>
3 * gcc.texi (Makefile): Add documentation for Makefile targets.
5 2001-01-15 Philip Blundell <philb@gnu.org>
7 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10 (is_pic): Delete declaration.
11 * config/arm/arm.h (FINALIZE_PIC): Update call to above.
12 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
13 * config/arm/arm.md (builtin_setjmp_receiver): Likewise.
15 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
17 * arm.c (use_return_insn): Don't try to determine the function type
18 until after reload has completed.
19 (arm_output_epilogue): Don't adjust the sp value recovered from the
21 (emit_multi_reg_push): Don't record dwarf information for the pc.
22 * arm.md (eh_epilogue): The function type may have changed, so it
23 needs to be recalculated.
24 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
25 unwind tables on arm/netbsd.
27 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
29 * arm.md (cbranchsi4): Correct calculation of branch ranges.
30 (negated_cbranchsi4): Likewise.
32 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
34 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
35 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
36 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
37 pass -mapcs-* options to assembler.
38 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
39 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
40 (ASM_SPEC): Call subtarget_extra_asm_spec.
42 2001-01-15 Andreas Jaeger <aj@suse.de>
44 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
46 (ix86_expand_builtin): Likewise.
48 * gencodes.c (output_predicate_decls): Make i size_t to avoid
49 warning about comparison between signed and unsigned.
51 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
53 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
55 2001-01-14 Ralf Baechle <ralf@gnu.org>
57 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
58 SUBTARGET_CPP_SPEC apropriatly.
60 2001-01-12 Mark Mitchell <mark@codesourcery.com>
62 * varasm.c (make_decl_rtl): Fix typo in last change.
64 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
66 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
67 linker supports the init_priority C++ attribute.
68 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
69 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
70 linker does not support init_priority C++ attribute.
72 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
74 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
76 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
78 * c-parse.in (finish_parse): Add comment about cpp_destroy.
79 * cp/lex.c (finish_parse): Similarly.
80 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
81 Return the number of errors encountered.
82 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
83 * cppmain.c (main): Don't call cpp_destroy.
85 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
87 * configure.in: Require at least perl 5.6.0 to regenerate
89 * configure: Regenerate.
91 2001-01-14 Richard Henderson <rth@redhat.com>
93 * genrecog.c (DT_veclen_ge): New.
94 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
95 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
96 (nodes_identical_1): Handle DT_veclen_ge.
97 (write_cond, debug_decision_2): Likewise.
99 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
101 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
103 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
105 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
107 * cppmain.c (do_preprocessing): New function; most of the old
109 (main): Call it to do most of the work.
110 (cb): Move from global scope to set_callbacks ().
111 (setup_callbacks): Get the callback pointer.
112 (general_init, printer_init): Clean up code and comments.
114 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
116 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
119 2001-01-14 Kazu Hirata <kazu@hxi.com>
121 * config/h8300/h8300.c (get_shift_alg): Update comments.
123 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
125 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
126 (alloc_page, ggc_alloc): Add casts to remove warnings.
128 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
130 * combine.c (simplify_comparison): Don't change `code' when
131 can't reverse comparison.
133 2001-01-14 Richard Henderson <rth@redhat.com>
135 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
136 update all call sites. Return true for all non-label constants.
138 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
140 * i386.c (ix86_expand_compare): Add bypass_test and second_test
142 (ix86_expand_branch): Update.
143 (ix86_expand_setcc): Update to handle multiple test conditions.
144 (expand_int_movcc): Likewise.
145 (expand_fp_movcc): Likewise.
146 * i386-protos.h (ix86_expand_compare): New.
147 * i386.md (andqi_?_slp, orqi_?_slp): New.
148 (conditional trap expander): Update call to ix86_expand_compare.
150 2001-01-14 Richard Henderson <rth@redhat.com>
152 * config/vax/vax.md: Use nonimmediate_operand instead of
153 general_operand in destinations.
155 * config/vax/vax.md (indirect_jump): Use register_operand.
157 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
158 * config/vax/vax.md (call_pop): Turn into an expander.
159 (call_value_pop): Likewise.
160 (call, call_value): New.
162 2001-01-14 Andreas Jaeger <aj@suse.de>
164 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
166 (ix86_fp_compare_mode): Add unused attribute.
167 (ix86_expand_fp_movcc): Remove unused variable.
168 (ix86_expand_builtin): Make fcode unsigned.
170 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
171 (expand_expr): Add cast to avoid signed warning.
172 (store_field): Likewise.
173 (store_constructor_field): Likewise.
174 (store_constructor): Likewise.
175 (store_expr): Likewise.
176 (clear_storage): Likewise.
177 (emit_group_store): Likewise.
178 (emit_group_load): Likewise.
180 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
182 * c-common.c: Move format checking code to ...
183 * c-format.c: ... here. New file. Reorder some functions and
185 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
187 * c-common.h (decl_handle_format_attribute,
188 decl_handle_format_arg_attribute): Declare.
189 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
190 (c-common.o): Adjust dependencies.
191 (c-format.o): New list of dependencies.
193 2001-01-13 Jakub Jelinek <jakub@redhat.com>
195 * unroll.c (loop_iterations): If we cannot prove iteration variable
196 is set once in each iteration, punt.
198 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
200 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
201 (*strlenhi): Remove clobber (which was buggy) of output address.
203 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
205 * Makefile.in (generated-manpages): Add gcc.1
206 ($(srcdir)/gcc.1): New target.
207 (maintainer-clean): Delete $(srcdir)/gcc.1.
208 * gcc.texi: Add macros @gccoptlist and @gol.
209 * invoke.texi: Include option summary in manpage. Mark up option
210 summary with @gccoptlist and @gol. Use @r in one place where
212 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
213 * gcc.1: Generate from invoke.texi.
215 2001-01-13 Richard Henderson <rth@redhat.com>
217 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
218 (struct page_entry): Add group member.
219 (struct page_group): New.
220 (struct globals): Add page_groups member.
221 (alloc_anon): Only define for using mmap; remove valloc call.
222 (page_group_index): New.
223 (set_page_group_in_use): New.
224 (clear_page_group_in_use): New.
225 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
226 (free_page, release_pages): Likewise.
227 * configure.in (with-gc): Default to ggc-page always.
229 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
231 * reload1.c (replace_pseudos_in_call_usage): Use
232 reg_equiv_constant and reg_equiv_address, and don't try
235 2001-01-13 Richard Henderson <rth@redhat.com>
237 * ggc-page.c (alloc_page): Round up allocation size to one page.
238 Set e->order on extra pages.
240 2001-01-13 Richard Henderson <rth@redhat.com>
242 * genrecog.c (nodes_identical): Expand commentary.
243 (write_switch): Watch out for identical nodes.
245 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
247 * cppfiles.c (_cpp_fake_include): New function.
248 * cpphash.h (_cpp_fake_include): New.
249 * cpplib.c (do_line): Call _cpp_fake_include when entering
250 header files in preprocessed input.
251 * cppmain.c (cb_pragma_implementation): Remove handling.
252 (setup_callbacks): Don't register pragmas.
254 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
256 * extend.texi: Udate for CPP.
258 2001-01-13 Andreas Jaeger <aj@suse.de>
260 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
262 * regmove.c: Add prototype for replace_in_call_usage.
264 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
266 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
267 struct cpp_chunk, struct htab, struct toklist,
268 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
269 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
270 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
271 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
272 (struct macro_args): Delete.
273 * cpphash.h: See above.
275 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
277 * cppmain.c (struct printer): Remove no_line_dirs.
279 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
280 : Use options rather than CPP_OPTION.
281 (setup_callbacks): Use cb rather than pfile->cb.
282 (main): No need to check for a buffer. Use cpp_errors.
283 (printer_init): Don't set no_line_dirs.
284 (maybe_print_line): Use options not no_line_dirs.
285 (cb_file_change): Don't call print_line if -P.
287 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
289 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
291 * c-parse.in (finish_parse): Use cpp_errors.
292 (__yylex): Use return value of cpp_pop_buffer.
293 * cp/lex.c (finish_parse): Use cpp_errors.
294 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
296 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
298 * README.AVR: URLs corrected.
300 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
302 * c-decl.c (start_function): Don't warn if old prototype is builtin
303 that's not in C's namespace.
304 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
305 (_bb): Add prototype for ctime.
306 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
308 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
310 * i386.c (ix86_fp_comparison_arithmetics_cost,
311 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
312 ix86_fp_comparison_cost): New functions.
313 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
314 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
315 two-branch sequences; make static.
316 (ix86_use_fcomi_compare): Do decision according to the costs.
317 (split_fp_branch): New.
318 * i386.md (compare-and-branch patterns): Use split_fp_branch.
319 * i386-protos.h (ix86_expand_fp_compare): Remove
320 (ix86_split_fp_branch): Declare.
322 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
323 and ix86_comparison_operator.
325 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
328 * i386.c (put_condition_code): Output properly the unordered/ordered
330 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
332 * tm.texi (REVERSE_CONDITION): Document.
333 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
335 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
337 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
339 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
341 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
344 * config/sh/sh.c (mova_p): Fix test for mova_const.
346 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
348 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
349 cpp_get_options rather than dereferencing pfile and using
351 * scan-decls.c (scan_decls): Use return value of
352 cpp_pop_buffer rather than CPP_BUFFER.
354 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
356 * cppinit.c (cpp_handle_option): help_only is now part of the
357 cpp_options structure.
358 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
359 cpp_set_callbacks): New functions.
360 * cpplib.h (cpp_callbacks): Break out as a named structure.
361 (cpp_options): Move help_only here from cpp_reader.
362 (CPP_FATAL_ERRORS): Update to use cpp_errors.
363 (cpp_errors, cpp_get_options, cpp_get_callbacks,
364 cpp_set_callbacks): New prototypes.
365 * cppmain.c (main): Update for help_only.
367 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
369 * Makefile.in (info, maintainer-clean, install-info, uninstall):
370 Also build and remove and install and uninstall c-tree.info and
372 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
373 ($(srcdir)/cppinternals.info): New target.
374 * c-tree.texi: Change file name used when makeinfo used without -o
375 from ir.info to c-tree.info. Add info directory entry.
376 * cppinternals.texi: Add info directory entry.
377 * .cvsignore: Update.
379 2001-01-12 Jakub Jelinek <jakub@redhat.com>
381 * c-typeck.c (store_init_value): Don't require constant initializer
382 elements with -pedantic -std=c99.
383 (digest_init): Change error about non-constant initializer elements
385 (constructor_range_end): Remove.
386 (constructor_incremental, designator_depth,
387 designator_errorneous): New variables.
388 (struct constructor_stack): Remove range_end, add incremental.
389 (struct constructor_range_stack, constructor_range_stack): New.
390 (struct initializer_stack): Add constructor_range_stack.
391 (finish_init): Set it.
392 (start_init): Likewise. require_constant_elements for non-static
393 trees only if not flag_isoc99.
394 (really_start_incremental_init): Remove constructor_range_end, add
395 constructor_incremental.
396 (pop_init_level): Likewise.
397 (push_init_level): Likewise. If implicit and the subobject had some
398 value set already, preinitialize the level with it.
399 Warn about missing braces only if not pushing due to designators.
400 (set_designator, push_range_stack): New functions.
401 (set_init_label): Use them.
402 (set_init_index): Likewise. Remove constructor_range_end.
403 Error if designator index is outside of array bounds.
404 (add_pending_init): Compare values of purpose index trees, not the
405 trees themselves. Allow overwriting of already initialized element.
406 Issue a warning if it had side-effects.
407 (set_nonincremental_init, set_nonincremental_init_from_string): New
409 (pending_init_member): Rename to...
410 (find_init_member): ...this function. Call set_nonincremental_init
411 if necessary. Compare values of purpose index trees, not the trees
412 themselves. Return the actual value, not just non-zero if something
414 (output_init_element): Remove checks for duplicates.
415 If field has zero size, only check the initializer for correctness.
416 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
417 if constructor_incremental is zero. Change error about initializers
418 not computable at load time into pedwarn.
419 (output_pending_init_elements): Compare bit positions, not
420 FIELD_DECLs to take into account zero-sized fields.
421 (process_init_element): Use constructor_range_stack to fill all
422 ranges in the designator lists from current level up.
423 * extend.texi: Update documentation for labeled elements.
425 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
427 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
428 to function usage for arguments passed by reference. Optimize
429 callee-copied arguments.
430 * regmove.c (replace_in_call_usage): New function.
431 (fixup_match_1): Call it.
432 * cse.c (cse_insn): Canonicalize registers in function usage.
433 * reload1.c (replace_pseudos_in_call_usage): New function.
436 * Makefile.in: Reverted yesterday's wrong patch. Installed the
439 2001-01-12 Jakub Jelinek <jakub@redhat.com>
441 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
444 2001-01-12 DJ Delorie <dj@redhat.com>
446 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
447 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
450 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
452 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
453 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
454 -std options alongside references to -ansi. Update some
455 documentation for C99.
458 2001-01-12 Andreas Jaeger <aj@suse.de>
460 * haifa-sched.c (restore_line_notes): Remove argument block B
462 * sched-ebb.c (schedule_ebb): Change caller.
463 * sched-rgn.c (schedule_region): Likewise.
464 * sched-int.h (restore_line_notes): Adjust prototype.
466 * loop.h: Remove wrong declaration of doloop_condition_get.
468 2001-01-12 Phil Edwards <pme@sources.redhat.com>
470 * extend.texi: Move C++-extension-related node from the C section
471 into the C++ section.
473 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
475 * extend.texi: Refer to an array of pointers to functions instead
478 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
479 Jan Hubicka <jh@suse.cz>
481 * combine.c (reversed_comparison): Fix typo in last patch.
483 (combine_reversed_comparison_code): Make static to follow
484 prototype declaration.
486 2001-01-12 Phil Edwards <pme@sources.redhat.com>
488 * install.texi: Remove misplaced duplicate entry.
490 2001-01-11 Ulrich Drepper <drepper@redhat.com>
492 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
494 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
496 * final.c: (leaf_function_p): Fix typo.
498 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
500 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
501 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
503 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
504 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
505 mmap_anon, and valloc is available.
506 * ggc-page.c: Restructure ifdef logic to match new autoconf
507 spec. Don't throw away the test page in init_ggc.
509 * configure, config.in: Regenerate.
511 2001-01-12 Michael Hayes <mhayes@redhat.com>
513 * loop.h (total_biv_increment): Constify iv_class pointer.
514 (struct induction): Replace `mem_mode' with `mem' rtx.
515 * unroll.c (total_biv_increment): Constify iv_class pointer.
516 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
517 (find_mem_givs, combine_givs_p): Likewise.
518 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
520 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
522 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
524 (__gthread_getspecific): Ditto.
526 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
528 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
529 put_condition_code): Convert fp comparison codes to integer
531 (ix86_expand_fp_compare): Postnote the fp comparison code converison
534 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
535 * i386-protos.h (no_comparison_operator): Kill.
537 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
539 * combine.c (REVERSIBLE_CC_MODE): Remove.
540 (reversible_comparison_p): Remove.
541 (combine_reversed_comparison_code): New.
542 (reversed_comparison): New.
543 (combine_simplify_rtx): Use
544 combine_reversed_comparison_code/reversed_comparison instead
545 of reversible_comparison_p.
546 (simplify_if_then_else): Likewise.
547 (simplify_set): Likewise.
548 (simplify_logical): Likewise.
549 (if_then_else_cond): Likewise.
550 (known_cond): Likewise.
551 (simplify_comparison): Likewise.
553 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
555 * builtins.c (std_expand_builtin_va_start): Handle varargs when
556 sizeof (int) is larger than sizeof(__word__).
558 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
560 * cppinit.c (do_includes): Fix typo.
562 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
564 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
565 in S_REGS does not occur because not all sources are possible
566 when a S_REGS is a destination (sometimes needs a clobber).
567 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
568 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
569 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
570 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
571 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
572 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
573 (lshrdi_const1, lshrsi3_const16): Likewise.
574 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
575 (*movhi_68hc12, *movqi_68hc12): Likewise.
576 (movstrictqi): Make sure reloading in D_REGS as a destination
579 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
581 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
583 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
585 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
586 -D, -U and -A, and don't initialize the builtins.
587 (do_includes): Error if -include or -imacros with -fpreprocessed.
588 * cppmain.c (cb_define, cb_undef): Unconditionally process
590 * tradcpp.c (main): Fix typo.
592 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
594 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
595 (read_name_map): Use IS_ABSOLUTE_PATH.
596 * tradcpp.c (get_filename): Likewise.
598 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
600 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
601 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
602 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
603 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
604 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
605 (cmphi_z_used): Don't use '@' for the output.
606 (tstqi_z_used): Likewise.
607 (cmpqi_z_used): Likewise.
608 (one_cmplsi2): Likewise.
610 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
612 * config/sh/sh.c (barrier_align): Recognize branch around far
613 branch and redundant insn.
615 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
617 * invoke.texi: Restore documentation of the drivers' switches -MD
620 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
622 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
624 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
625 check-objc//%): Support parallel testing of multilibs.
626 (TESTSUITEDIR): Set to testsuite by default, but override for
628 (check-gcc, check-g++, check-g77, check-objc): Enter
631 2001-01-11 Bernd Schmidt <bernds@redhat.com>
633 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
634 * sched-deps.c (deps_may_trap_p): Likewise.
635 * basic-block.h: Remove a comment.
636 * flow.c (PROP_POSTRELOAD): Remove.
637 (update_life_info): Don't add it to prop_flags.
638 (mark_set_1): Lose the code that was enabled by it.
640 2001-01-11 Michael Hayes <mhayes@redhat.com>
642 * flow.c (flow_call_edges_add): New.
643 * basic_block.h (flow_call_edges_add): New.
645 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
647 * reload1.c (move2add_note_store): Update reg_set_luid even if
648 base reg remains the same.
650 2001-01-10 Nick Clifton <nickc@redhat.com>
652 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
653 machine_function structure to zero.
654 Add prototypes for machine_status functions.
656 2001-01-10 Mark Mitchell <mark@codesourcery.com>
658 * c-common.h (CTI_VOID_LIST): Remove.
659 (void_list_node): Likewise.
660 * tree.h (TI_VOID_LIST_NODE): New enumeral.
661 (void_list_node): New macro.
662 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
663 * config/i386/i386.c (ix86_init_builtins): Likewise.
664 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
666 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
668 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
669 * cppinit.c (cpp_start_read): Update comment, remove unneeded
671 * tradcpp.c: Include mkdeps.h.
672 (deps, print_deps_phony_targets, deps_append, output_deps,
673 init_dependency_output, output_deps): New.
674 (deps_buffer, deps_allocated_size, deps_size, deps_column,
675 deps_output): Delete.
676 (print_deps_missing_files): Rename deps_missing_files.
677 (inhibit_output): Make global.
678 (main): Delete inhibit_output, deps_stream, deps_target.
679 Use mkdeps functionality in the same way as cpplib. Remove
680 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
681 -M and -MM. Remove old handling of deps via deps_out, and
682 old reading of environment variables.
683 (get_filename): Update to use deps_add_dep.
685 2001-01-10 Mark Mitchell <mark@codesourcery.com>
687 * output.h (make_function_rtl): Remove prototype.
688 (make_decl_rtl): Likewise.
689 * varasm.c (make_function_rtl): Remove.
690 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
691 than from a third parameter.
692 * tree.h (make_decl_rtl): Remove last parameter.
693 * c-decl.c (builtin_function): Remove last argument in call to
694 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
695 (start_function): Likewise.
696 * except.c (call_get_eh_context): Likewise.
697 * expr.c (emit_block_move): Likewise.
698 (clear_storage): Likewise.
699 * profile.c (output_func_start_profiler): Likewise.
700 * toplev.c (rest_of_decl_compilation): Likewise.
701 * objc/objc-act.c (create_builtin_decl): Likewise.
702 (synth_module_prologue): Likewise.
703 (generate_static_reference): Likewise.
704 (build_selector_reference_decl): Likewise.
705 (build_class_reference_decl): Likewise.
706 (build_objc_string_decl): Likewise.
707 (build_protocol_reference): Likewise.
709 2001-01-10 Richard Henderson <rth@redhat.com>
711 * hwint.h: Revert yesterday's change.
713 2001-01-10 Nick Clifton <nickc@redhat.com>
715 * function.h (save_machine_status): Delete.
716 (restore_machine_status): Delete.
717 Amend comment describing {init|mark|free}_machine_status.
719 * function.c (save_machine_status): Delete.
720 (restore_machine_status): Delete.
721 Amend comment describing {init|mark|free}_machine_status.
722 (push_function_context_to): Remove invocation of
724 (pop_function_context_from): Remove invocation of
725 restore_machine_status.
727 * emit-rtl.c (init_emit_once): Amend comment describing
728 {init|mark|free}_machine_status.
730 * tm.texi (Per-Function Data): New node. Describe the
731 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
734 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
736 * cppinit.c (OPT_g): Remove.
737 (cpp_handle_option): Update for removed -g3.
738 (print_help): Update.
739 * cpplib.h (struct cpp_options): Remove debug_output.
740 * cppmain.c (setup_callbacks, cb_define): Update.
741 * gcc.c (cpp_options): Translate -g3 to -dD.
743 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
745 * config/i960/i960.md: Change modifier to + on the zero_extract
746 pattern after the (rotate -2 reg) canonicalization pattern.
748 2001-01-10 Richard Henderson <rth@redhat.com>
750 * config/alpha/alpha.c (alpha_free_machine_status): New.
751 (override_options): Install it.
752 (alpha_mark_machine_status): Verify machine non-null.
753 * config/i386/i386.c (ix86_free_machine_status): New.
754 (override_options): Install it.
755 (ix86_init_machine_status): Use xcalloc.
756 (ix86_mark_machine_status): Verify machine non-null.
757 * config/ia64/ia64.c (ia64_free_machine_status): New.
758 (ia64_override_options): Install it.
759 (ia64_mark_machine_status): Verify machine non-null.
761 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
763 * function.c (instantiate_virtual_regs): Instantiate virtual
764 registers found in CALL_INSN_FUNCTION_USAGE.
766 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
768 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
769 equivalent to -ansi in disabling -Di386.
771 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
773 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
775 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
777 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
779 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
781 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
783 * invoke.texi: Document that -fcond-mismatch isn't supported for
786 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
788 * gcc.texi: Define macro gcctabopt.
789 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
790 @command, @env and @option in some places where appropriate. Use
791 @gcctabopt where appropriate. Put URLs and email addresses inside
794 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
796 * gcc.c (cpp_options): Set MD file name from output
797 filename, if specified.
798 (suffix_subst): New static variable.
800 (do_spec_1, case '.'): Handle new `%.suffix' spec.
802 (give_switch): Handle suffix_subst.
804 2001-01-10 Phil Edwards <pme@sources.redhat.com>
806 * invoke.texi: Fix another typo.
808 2001-01-10 Phil Edwards <pme@sources.redhat.com>
810 * invoke.texi: Fix typo.
812 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
814 * c-lang.c (lang_hooks): Update.
815 (lang_decode_option): Remove.
816 (lang_init_options): Rename c_init_options.
817 * toplev.c (main): Use lang_hooks for lang_init_options
818 and lang_decode_option.
819 * toplev.h (lang_hooks): Add 2 new hooks.
820 * tree.h: Remove lang_init_options and lang_decode_option.
821 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
822 * cp/decl2.c: Similarly.
823 * cp/lex.c (lang_init_options): Rename cxx_init_options.
824 (lang_hooks): Update.
825 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
827 (lang_init_options): Rename ffe_init_options.
828 (lang_hooks): Update.
829 (lang_decode_option): Remove.
830 * java/lang.c (lang_init_options): Rename java_init_options.
831 (lang_decode_option): Rename java_decode_option.
832 (lang_hooks): Update.
833 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
834 (lang_decode_option): Rename objc_decode_option.
835 (lang_hooks): Update.
837 2001-01-09 Nick Clifton <nickc@redhat.com>
839 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
840 (d30v_return_addr_rtx): Delete.
841 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
842 cfun->machine structure.
843 (struct machine_function): Move to d30v.h
844 (d30v_save_machine_status): Delete.
845 (d30v_restore_machine_status): Delete.
846 (d30v_init_machine_status): New Function.
847 (d30v_mark_machine_status): New Function.
848 (d30v_free_machine_status): New Function.
849 (d30v_init_expanders): Use new functions.
850 (d30v_return_addr): Use ra_rtx field in cfun->machine.
851 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
852 d30v_return_addr_rtx.
854 * config/d30v/d30v.h (struct_machine): Move here.
855 Add eh_epilogue_sp_ofs field.
857 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
858 field in cfun->machine structure.
860 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
862 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
863 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
864 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
866 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
868 * objc/lang-options.h: Remove bogus reference to
871 2001-01-09 Kazu Hirata <kazu@hxi.com>
873 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
876 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
878 * reload.c (find_reloads_address): Check for eliminable registers
879 when substituting a constant expression for a pseudo.
881 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
883 * c-common.c (enum format_type): Add format_type_error.
884 (decode_format_type): New function.
885 (decl_attributes): Use it.
886 (format_kind_info): Adjust comment.
888 2001-01-09 David O'Brien <obrien@BSDi.com>
890 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
891 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
893 * config/i386/gnu.h: Don't include required platform specific .h files,
894 tm.h will do it instead.
895 * config/i386/i386elf.h: Likewise.
896 * config/i386/linux.h: Likewise.
897 * config/i386/moss.h: Likewise.
898 * config/mips/gnu.h: Likewise.
900 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
902 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
903 (rs6000-ibm-aix3.[01]*): Likewise.
904 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
905 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
906 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
907 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
908 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
909 (powerpc-*-eabiaix*): Likewise.
910 (powerpc-*-eabisim*): Likewise.
911 (powerpc-*-elf*): Likewise.
912 (powerpc-*-eabi*): Likewise.
913 (powerpc-*-rtems*): Likewise.
914 (powerpc-*-linux*libc1): Likewise.
915 (powerpc-*-linux*): Likewise.
916 (powerpc-wrs-vxworks*): Likewise.
917 (powerpcle-wrs-vxworks*): Likewise.
918 (powerpcle-*-sysv*): Likewise.
919 (powerpcle-*-elf*): Likewise.
920 (powerpcle-*-eabisim*): Likewise.
921 (powerpcle-*-eabi*): Likewise.
922 (powerpcle-*-solaris2*): Likewise.
923 * config/rs6000/aix31.h: Delete includes.
924 * config/rs6000/aix3newas.h: Likewise.
925 * config/rs6000/aix41.h: Likewise.
926 * config/rs6000/aix43.h: Likewise.
927 * config/rs6000/beos.h: Likewise.
928 * config/rs6000/rtems.h: Likewise.
929 * config/rs6000/sysv4.h: Likewise.
931 2001-01-09 Kazu Hirata <kazu@hxi.com>
933 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
934 Change an argument mode of machine_mode to shift_mode of
935 shift_mode. Remove an extra error check.
936 (emit_a_shift): Adopt to the new calling prototype of
938 (function_prologue): Fix code for a monitor
939 function. Support H8/S.
940 (function_epilogue): Do not output pop for a monitor function.
942 2001-01-09 Nick Clifton <nickc@redhat.com>
944 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
945 (setup_incoming_varargs): Use sysv_varargs_p field of the
946 cfun->machine structure.
947 (struct machine_function): Move to rs6000.h
948 (rs6000_save_machine_status): Delete.
949 (rs6000_restore_machine_status): Delete.
950 (rs6000_init_machine_status): New Function.
951 (rs6000_free_machine_status): New Function.
952 (rs6000_init_expanders): Use new functions.
954 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
956 (struct machine_function): Move here.
958 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
959 sysv_varargs_p field of the cfun->machine structure.
961 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
963 (rs6000_restore_machine_status): Remove prototype.
965 2001-01-09 Richard Henderson <rth@redhat.com>
967 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
968 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
969 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
970 (sched_analyze_2, sched_analyze_insn): Likewise.
971 (sched_analyze, init_deps): Likewise.
972 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
973 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
974 (compute_block_backward_dependences): Update propagate_deps call.
976 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
978 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
980 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
982 * cppinit.c (OPT_MD, OPT_MMD): Restore.
983 (cpp_handle_option): Handle them.
984 (cpp_post_options): Ensure one of -M or -MM is specified with
985 any other -M? option.
986 (init_dependency_output): Suppress output with -MG.
988 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
991 * invoke.texi: Update.
993 2001-01-09 Bernd Schmidt <bernds@redhat.com>
995 * sh.md (reload_outsf): Generate recognizable patterns for
998 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1000 * c-lang.c (lang_hooks): Update.
1001 (lang_init): Rename c_init.
1002 (lang_finish): Remove.
1003 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1005 * toplev.h (lang_hooks): Add init () and finish ().
1006 * tree.h (lang_init, lang_finish): Remove.
1007 * cp/tree.h (lang_init, lang_finish): Remove.
1008 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1009 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1011 (lang_init, lang_finish): Remove.
1012 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1013 (lang_hooks): Update.
1014 * java/lang.c (lang_init): Rename java_init.
1015 (lang_finish): Remove.
1016 (lang_hooks): Update.
1017 * objc/objc-act.c (lang_init): Rename objc_init.
1018 (lang_finish): Remove.
1019 (lang_hoooks): Update.
1021 20001-01-09 Graham Stott <grahams@redhat.com>
1023 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1024 after `ptr` is initialised.
1026 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1028 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1029 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1030 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1031 stack adjusts, instead of r3.
1033 2001-01-09 Michael Hayes <mhayes@redhat.com>
1035 * flow.c (flow_loop_scan): Break out of ...
1036 (flow_loops_find) ... here.
1037 * basic-block.h (flow_loop_scan): New.
1038 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1039 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1041 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1043 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1045 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1046 realloc()ing macro_buffer.
1048 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1049 if it's wider than long and the target's long is wider than the
1052 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1054 Remove support for using UWIN as a host machine.
1055 * configure.in: Issue an error message.
1056 * configure: Regenerated.
1057 * config.gcc: Remove xm_* UWIN configury.
1058 * config/i386/xm-uwin.h: Remove.
1060 2001-01-08 Nick Clifton <nickc@redhat.com>
1062 * config/v850/v850.c (ra_rtx): Delete.
1063 (v850_save_machine_status): Delete.
1064 (v850_restore_machine_status): Delete.
1065 (v850_init_machine_status): New function.
1066 (v850_mark_machine_status): New function.
1067 (v850_free_machine_status): New function.
1068 (v850_return_addr): Use ra_rtx field in machine structure.
1069 (v850_init_expanders): Use new functions.
1071 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1072 * config/v850/v850.c: Change arguments to v850_output+* functions
1073 to take a const char *, to avoid compile time warning.
1074 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1075 (USER_LABEL_PREFIX): Redefine.
1077 2000-01-08 Jim Wilson <wilson@redhat.com>
1079 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1080 1 to unsigned HOST_WIDE_INT before left shift.
1082 2001-01-08 Nick Clifton <nickc@redhat.com>
1084 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1085 the machine structure has been allocated.
1086 (arm_free_machine_status): New function: Free the machine
1087 specific function structure.
1089 2001-01-08 Richard Henderson <rth@redhat.com>
1091 * jump.c (simplejump_p): Revert last change.
1093 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1095 * cppinit.c (init): Rename init_library.
1096 (cpp_create_reader): Update.
1097 * gcc.c (cpp_options): If -o given, use it as the target of
1100 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1102 * arm.c (arm_arch5e): New variable.
1103 (all_cores): XScale is a 5TE device.
1104 (arm_override_options): Set arm_arch5e.
1105 (arm_init_builtins): __builtin_prefetch is in arch5e.
1106 * arm.h (arm_arch5e): Declare it.
1108 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1110 * arm.md (define_constants): Add defines for UNSPEC and
1111 UNSPEC_VOLATILE insns. Update all users.
1112 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1113 * arm.c (multi_register_push, note_invalid_constants)
1114 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1115 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1116 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1118 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1120 * jump.c (jump_optimize_1): Use reversed_comparison_code
1121 instead of can_reverse_comparison_p.
1122 (jump_back_p): Likewise.
1123 (invert_exp_1): Likewise.
1124 (thread_jumps): Likewise.
1125 * simplify-rtx.c (simplify_unary_operation): Likewise.
1126 (simplify_ternary_operation): Likewise.
1127 * cse.c (find_comparison_args): Convert to use
1128 can_reverse_comparison_p.
1129 (record_jump_equiv): Likewise.
1131 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1133 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1134 (EPILOGUE_USES): Define.
1135 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1136 automatically stack the LR if it isn't live.
1138 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1140 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1143 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1145 * ggc-page.c (max_alignment): New structure.
1146 (MAX_ALIGNMENT): New macro.
1147 (init_ggc): Use it to round up the sizes in the
1148 extra_order_size_table.
1150 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1152 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1155 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * builtins.def (BUILT_IN_FPRINTF): New entry.
1159 * c-common.c (c_expand_builtin_fprintf): New function.
1160 (init_function_format_info): Handle __builtin_fprintf.
1161 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1162 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1164 * c-decl.c (duplicate_decls): Adjust comment.
1166 * extend.texi (fprintf): Document new builtin.
1168 2001-01-07 Richard Henderson <rth@redhat.com>
1170 * jump.c (simplejump_p): Recognize any single_set jump
1173 2001-01-07 Richard Henderson <rth@redhat.com>
1175 * configure.in (slibdir): Accept an --with-slibdir option.
1176 Use "test" not "[" in configure. Default to $(libdir).
1178 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1180 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1181 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1182 (SHLIB_LINK): Create links for the soname.
1183 * config/mips/t-iris6: Likewise.
1184 * config/sparc/t-slibgcc: Likewise.
1185 * config/sparc/t-slibgcc-sld: Likewise.
1187 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1189 * config/i386/i386.c (constant_call_address_operand): Accept
1190 (const (plus (symbol_ref) (const_int))).
1191 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1192 constant_call_address_operand.
1194 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1196 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1197 and LONG_LONG_TYPE_SIZE > 32.
1199 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1201 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1202 the previous change.
1204 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1206 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1208 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1209 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1210 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1213 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1215 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1217 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1219 * c-lang.c (c_post_options): Call cpp_post_options.
1220 * objc/objc-act.c (objc_post_options): Similarly.
1221 * cppmain.c (main): Similarly.
1222 * fix-header.c (read_scan_file): Similarly.
1223 * cppinit.c (cpp_start_read): Move option consistency checks
1224 to cpp_post_options. Don't call init_dependency_output.
1225 If needed, add default target and main file dependency.
1226 (OPT_MD, OPT_MMD): Remove.
1228 (cpp_handle_option): Update for OPT_* changes.
1229 (cpp_post_options): New.
1230 (init_dependency_output): Command line -MF overrides environment
1231 variables. Don't set default target etc. Suppress output
1232 if dependencies are going to stdout.
1233 (print_help): Update.
1234 * cpplib.h (cpp_post_options): New.
1235 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1237 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1239 * jump.c (comparison_dominates_p): Support unordered compares.
1241 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1243 * simplify-rtx.c (simplify_relational_operation): Always simplify
1244 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1247 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1249 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1250 (nonzero_bits): Likewise.
1251 (simplify_comparison): Likewise.
1252 (num_sign_bit_copies): Likewise; return more sane value depending
1253 on STORE_FLAG_VALUE.
1254 (known_cond): Do not assume EQ to be always true for equivalent
1257 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1259 * cse.c (fold_rtx): Handle unordered comparisons.
1261 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1263 * rtlanal.c (set_of_1): New static function.
1264 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1265 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1266 reg_set_last_last_regno): Remove.
1267 (set_of): New global function.
1268 (set_of_data): New structure.
1269 (reg_set_p, reg_set_last): Revamp for set_of.
1270 * rtl.h (set_of): New.
1272 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1274 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1275 * extend.texi: Document _Exit builtin.
1277 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1279 * (initialize, initialize_builtins,
1280 initialize_dependency_output, initialize_standard_includes):
1281 Rename s/initialize/init. Update.
1282 (init_dependency_output): Move to after
1283 cpp_handle_options, the correct location temporally at least.
1284 (opt_comp): Move next to init (), its caller. Fix prototype.
1285 (init): Make "initialized" local scope.
1286 (cpp_create_reader): Always call init ().
1287 (cpp_start_read): Update.
1288 (output_deps): New function, broken out of cpp_finish.
1289 (cpp_finish): Break out output_deps.
1291 2001-01-07 Richard Henderson <rth@redhat.com>
1293 * collect2.c (COFF specific stuff): Revert 12-06 patch
1294 to prototype system functions.
1296 2001-01-07 Michael Hayes <mhayes@redhat.com>
1298 * hard-reg-set.h: Add multiple include guard.
1299 * basic-block.h (struct loop): Add `sink' field.
1300 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1301 (emit_iv_add_mult): Delete.
1302 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1303 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1304 (unroll_loop): Remove end_insert_before argument.
1305 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1306 (maybe_eliminate_biv_1): Likewise.
1307 (emit_iv_add_mult): Delete.
1308 (gen_add_mult, loop_regs_update): New.
1309 (loop_insn_emit_after, loop_insn_emit_before): New.
1310 (loop_insn_sink, loop_insn_sink_or_swim): New.
1311 (emit_iv_add_mult): Delete.
1312 (scan_loop): Set loop->sink.
1313 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1314 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1315 (maybe_eliminate_biv_1): Likewise.
1316 (maybe_eliminate_biv_1): Add basic block argument.
1317 * unroll.c (unroll_loop): Remove end_insert_before argument.
1318 (find_splittable_regs): Likewise.
1319 (find_splittable_regs): Use loop_insn_sink and its ilk.
1320 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1322 2001-01-07 Michael Hayes <mhayes@redhat.com>
1324 * loop.h (loop_insn_hoist): New prototype.
1325 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1326 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1327 (check_dbra_loop, load_mems): Likewise.
1328 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1329 (find_splittable_givs): Likewise.
1331 2001-01-07 Michael Hayes <mhayes@redhat.com>
1333 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1335 2001-01-07 Richard Henderson <rth@redhat.com>
1337 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1339 2001-01-07 Richard Henderson <rth@redhat.com>
1341 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1342 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1343 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1344 variant that handles a shared libgcc.
1345 (process_command): Always validate -{static,shared}-libgcc.
1346 (do_spec_1): New 'M' case.
1347 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1349 2001-01-07 Richard Henderson <rth@redhat.com>
1351 * Makefile.in (slibdir): New variable.
1352 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1353 (installdirs): Create slibdir.
1354 (install-libgcc, install-multilib): Defer to libgcc.mk.
1355 * configure.in (slibdir): Substitute.
1356 * mklibgcc.in (install): New target.
1358 * config/t-linux (SHLIB_LINK): Create links for the soname.
1359 (SHLIB_INSTALL): New.
1360 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1361 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1362 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1363 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1364 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1366 2001-01-07 Richard Henderson <rth@redhat.com>
1368 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1369 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1370 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1372 2001-01-07 Michael Hayes <mhayes@redhat.com>
1374 * loop.c (count_loop_regs_set): Delete.
1375 (load_mems_and_recount_loop_regs_set): Delete.
1376 (loop_regs_scan): Merge common code from count_loop_regs_set,
1377 scan_loop, and load_mems_and_recount_loop_regs_set.
1378 (scan_loop): Call load_mems directly and loop_regs_scan
1379 again if new registers created.
1381 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * toplev.c (main): Call the front-end specific post_options
1384 hook if one is given.
1385 * toplev.h (struct_lang_hooks, lang_hooks): New.
1386 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1387 for the C front end.
1388 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1389 lang_hooks for the C++ front end.
1390 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1391 lang_hooks for the ObjC front end.
1392 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1393 * java/lang.c (lang_hooks): Hooks for the Java front end.
1395 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1397 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1398 for verbose DWARF[2] debugging.
1399 (cb_define, cb_undef): The new callbacks.
1400 * toplev.h (debug_define, debug_undef): Make const correct.
1401 * toplev.c (debug_define, debug_undef): Similarly. Do not
1402 perform the verbosity tests here anymore.
1404 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1406 * reload.c (subst_reloads): Take INSN argument. When
1407 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1408 * reload.h (subst_reloads): Adjust prototype.
1409 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1410 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1411 present in JUMP_INSNs and copy them to JUMP_LABEL.
1412 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1413 JUMP_INSNs and insns with REG_LABELs that are followed by
1414 JUMP_INSNs with the same REG_LABEL.
1415 * sched-rgn.c (is_cfg_nonregular): Likewise.
1416 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1418 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1420 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1422 2001-01-06 Richard Henderson <rth@redhat.com>
1424 * loop.c (scan_loop): Use xcalloc for the regs array.
1425 (load_mems_and_recount_loop_regs_set): Zero the new memory
1426 received from xrealloc.
1428 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1430 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1432 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1434 * integrate.c (copy_rtx_and_substitute): When copying
1435 an ignored return value, strip REG_FUNCTION_VALUE_P.
1437 2001-01-06 Michael Hayes <mhayes@redhat.com>
1439 * loop.c (debug_biv, debug_giv): New.
1440 (loop_biv_dump): Break out from ...
1441 (record_biv): ... here.
1442 (loop_giv_dump): Break out from ...
1443 (record_giv): ... here.
1444 (loop_bivs_check): Use print_simple_rtl.
1445 * unroll.c (loop_iterations): Use print_simple_rtl.
1447 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1449 * pa.md (return, return_internal): Modify patterns to prevent regrename
1450 mucking with the return pointer.
1452 2001-01-05 Richard Henderson <rth@redhat.com>
1454 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1456 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1458 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1459 version supplied by Matteo Frigo.
1461 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cpp.texi: Update for -MQ.
1464 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1465 (cpp_cleanup): Always free pfile->deps.
1466 (initialize_dependency_output): Don't create pfile->deps.
1467 (cpp_handle_option): Similarly.
1469 * gcc.c (cpp_options): Handle -MQ.
1470 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1471 * mkdeps.c (base_name): Remove.
1472 (deps_init): Don't allocate vector space until it's needed.
1473 (deps_free): Only free vectors if allocated.
1474 (deps_add_target, deps_add_dep): Update for initial allocation.
1475 (deps_add_default_target): Don't strip to the base_name.
1477 2001-01-05 DJ Delorie <dj@redhat.com>
1479 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1480 (INIT_EXPANDERS): Define.
1482 * config/v850/v850.c (struct machine_function): Define.
1483 (v850_save_machine_status): New function.
1484 (v850_restore_machine_status): New function.
1485 (v850_return_addr): New function.
1486 (v850_init_expanders): New function.
1488 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1489 and v850_init_expanders.
1491 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1493 * cpplib.h (struct cpp_reader): Add help_only field.
1494 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1495 (cpp_handle_option): Set pfile->help_only if we see -h,
1496 --help, -target-help, or --version. Print version string but
1497 do not set help_only if we see -v or -version. Make text
1498 printed by -v match that printed by (-)-version.
1500 * cppmain.c (main): Exit after option parsing if
1501 pfile->help_only is true.
1503 * toplev.c (independent_decode_option): Call print_version,
1504 then exit, if we see --version (but not -version).
1505 (print_version): Split lengthy message into two lines.
1507 2001-01-05 Nick Clifton <nickc@redhat.com>
1509 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1510 temporary string for initialisation before calling ggc_alloc_string.
1512 2001-01-06 Michael Hayes <mhayes@redhat.com>
1514 * rtl.h (print_simple_rtl): New.
1515 * print-rtl.c (print_simple_rtl): New.
1517 (print_rtx): Disable printing of flags and modes, etc.,
1518 if `flag_simple` nonzero.
1520 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1522 * function.c (fixup_var_refs): Use push_to_full_sequence where
1525 2001-01-05 Michael Meissner <meissner@redhat.com>
1527 * flags.h (flag_reorder_blocks): Add declaration.
1528 (flag_rename_block): Ditto.
1530 2001-01-05 DJ Delorie <dj@redhat.com>
1532 * function.c (reorder_blocks): Make sure the flags are all reset
1533 before using them to mark blocks, else a second invocation will
1534 corrupt the block chain.
1535 (reorder_blocks_0): New, resets the flags.
1537 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1539 * cse.c (find_comparison_args): Stop if the argument is known to
1542 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1544 * config/sh/sh.md (movdf): When splitting load into pair of
1545 registers, don't clobber the register used in the address too
1548 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1550 * varasm.c (mark_constant_pool): Improve initial comments.
1551 (mark_constants): Move marking of constants to mark_constant.
1552 (mark_constant): New function to recursively mark all constants
1553 referred to by a constant.
1555 2001-01-05 Catherine Moore <clm@redhat.com>
1557 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1559 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1561 * cp/lang-options.h: Bring comment in line with reality.
1562 * f/lang-options.h: Likewise.
1563 * java/lang-options.h: Likewise.
1564 * objc/lang-options.h: Likewise.
1565 * ch/lang-options.h: Likewise.
1566 * f/g77.texi: And update the manual.
1568 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1569 Denis Chertykov <denisc@overta.ru>
1571 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1572 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1573 * config/avr/avr.md (all peepholes that request a scratch register):
1574 Call it, FAIL the peephole if not safe (in interrupt functions).
1576 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1578 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1580 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1582 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1584 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1585 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1586 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1587 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1588 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1590 * extend.texi: Document these builtins.
1592 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1594 * c-common.c (lang_get_alias_set): Say we know nothing of
1595 VECTOR_TYPE aliasing.
1597 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1599 2001-01-05 Bruce Korb <bkorb@gnu.org>
1601 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1602 their x* equivalent versions for atexit-less systems
1603 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1604 systems (or any other system any more).
1606 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1608 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1609 output operands. Use arm_hard_register_operand for operand 4.
1610 (stmsi_postinc): Similarly.
1611 (ldmsi): Use arm_hard_register_operand for opernand 2.
1613 * arm.c (arm_hard_register_operand): New function.
1614 * arm-protos.h (arm_hard_register_operand): Prototype it.
1616 * arm.h (HARD_REGNO_RENAME_OK): Define.
1618 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1620 * simplify-rtx.c (cfc_args): add "unordered" field.
1621 (check_fold_consts): Set unordered field.
1622 (simplify_relational_operation): Simplify the unordered
1625 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1628 * emit-rtl.c (try_split): Fix code to mark labels.
1629 * jump.c (mark_jump_label): Make global.
1630 * rtl.h (mark_jump_label): Declare.
1632 * predict.c (estimate_probability): Handle unordred comparisons.
1634 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1636 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1637 * cppinit.c (initialize_dependency_output): Update.
1638 (cpp_finish): Output dummy targets for -MP.
1640 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1641 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1642 * gcc.c (cpp_options): Update to handle -MP.
1643 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1644 to quote only the default target.
1645 (deps_phony_targets): Insert a preceding newline. Rename from
1646 deps_dummy_targets for consistency.
1649 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1651 * calls.c (emit_library_call_value_1): Support
1652 INIT_CUMULATIVE_LIBCALL_ARGS.
1653 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1655 2001-01-04 Richard Henderson <rth@redhat.com>
1657 * c-decl.c (finish_struct): Detect flexible array members
1658 used in an inappropriate context.
1659 * c-typeck.c (really_start_incremental_init): Special case
1660 constructor_max_index for zero length arrays.
1661 (pop_init_level): Allow initialization of flexible array
1662 members. Deprecate initialization of zero length arrays.
1663 Don't issue missing initializer warning for flexible array
1664 members or zero length arrays.
1665 (process_init_element): Don't dereference null DECL_SIZE.
1666 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1667 Don't abort for empty constructors. Use size_binop
1668 (output_constructor): Add commentary regarding zero length
1669 array futures. Abort if we try to initialize an array of
1670 unspecified length with a non-empty constructor in the middle
1673 * extend.texi (Zero Length): Update and clarify documentation
1674 on static initialization.
1676 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1678 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1679 with more than 32767 words of local storage.
1681 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1683 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1684 for 'abs', 'labs', and 'fabs'.
1685 (c4x_expand_builtin): Likewise.
1686 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1688 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1690 * config/sh/sh.md (prget, prset): New insn types.
1691 (return delay slot): Dont' allow prset.
1692 (call, sfunc delay slot): Don't allow prget.
1693 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1694 for prset and prget.
1696 2001-01-05 Michael Hayes <mhayes@redhat.com>
1698 * loop.h (struct loop_reg): New.
1699 (struct loop_regs): Change to use array of `struct loop_reg'.
1700 * loop.c: Replace assortment of varrays with single regs array.
1701 (count_one_set): Delete may_not_move array argument
1702 and use regs array instead. All caller's changed.
1703 (count_loop_regs_set): Delete may_not_move and single_usage
1704 arguments and use regs array instead. All caller's changed.
1705 (find_single_use_in_loop): Replace usage array argument with pointer
1706 to regs structure. All caller's changed.
1707 (loop_optimize): Delete `moved_once' array.
1709 2001-01-05 Michael Hayes <mhayes@redhat.com>
1711 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1712 Use it instead of loop_info->has_call for scanning loop mems.
1713 (check_dbra_loop): Replace loop_info->has_call test with
1714 loop_info->has_nonconst_call.
1716 2000-01-04 Matthew Hiller <hiller@redhat.com>
1718 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1721 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1723 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1724 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1726 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1728 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1729 (flag_short_double, flag_short_wchar): Define.
1730 (c_common_nodes_and_builtins): Create many tree nodes shared
1731 between C and C++ here instead of in cp/decl.c and ...
1732 * c-decl.c (init_decl_processing): ... here.
1733 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1734 (flag_short_double, flag_short_wchar): Don't define.
1735 (record_builtin_type): New function.
1736 (build_void_list_node): New function.
1737 * c-common.h (flag_short_double, flag_short_wchar,
1738 record_builtin_type, build_void_list_node): Declare.
1740 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1742 * integrate.c (expand_inline_function): Don't put a virtual
1743 register into the reg map.
1745 * function.c (fixup_var_refs_1): If force_operand didn't put
1746 the address into the target, move it there.
1748 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1750 Special-case tree_decl/tree_list allocations.
1751 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1752 (OBJECT_SIZE): New macro.
1753 (NUM_EXTRA_ORDER): Likewise.
1754 (extra_order_size_table): New variable.
1755 (NUM_ORDERS): New macro.
1756 (objects_per_page_table): New variable.
1757 (object_size_table): New variable.
1758 (G.pages): Use NUM_ORDERS to bound the array.
1759 (G.page_tails): Likewise.
1760 (DIV_ROUND_UP): Remove.
1761 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1762 (alloc_page): Use OBJECT_SIZE.
1763 (size_lookup): Don't make it const.
1764 (ggc_alloc): Use OBJECT_SIZE.
1765 (ggc_set_mark): Likewise.
1766 (ggc_get_size): Likewise.
1767 (init_ggc): Set up the object_size_table, objects_per_page_table,
1768 and adjust size_lookup.
1769 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1770 (ggc_pop_context): Use NUM_ORDERS.
1771 (clear_marks): Likewise.
1772 (sweep_pages): Likewise.
1773 (poison_pages): Likewise.
1774 (ggc_print_statistics): Use OBJECT_SIZE.
1776 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1778 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1779 Only call array_size_for_constructor if last field and array type
1780 with no upper bound.
1782 2001-01-04 Philip Blundell <philb@gnu.org>
1784 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1785 from bit 31 downwards, if this requires no more insns.
1786 (count_insns_for_constant): New helper function for above.
1788 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1790 * gencodes.c (output_predicate_decls): Remove empty initializer.
1792 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1794 * tree.c (copy_node): Remove documentation about obstacks.
1795 (buidl1): Check that nobody tries to build 2-argument nodes this
1798 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1800 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1803 * gencodes.c (output_predicate_decls): Fill empty initializer
1806 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1808 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1809 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1811 (do_include): Handle missing headers like cpp0.
1812 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1813 paths with first include pathname. Don't strcat to uninitialized
1816 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1818 * regrename.c (regrename_optimize): Don't rename from frame pointer
1819 if frame_pointer_needed.
1820 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1821 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1822 (ia64_reorg): Use it instead of scheduling if ! optimize.
1823 (errata_emit_nops): Properly call asm_noperands.
1824 (ia64_sched_reorder): Finish cycle if we see an asm.
1825 (ia64_variable_issue): Clear scheduling state after asms.
1827 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1829 * cpp.texi: Update for -MT.
1830 * cppinit.c (initialize_dependency_output): Add a default
1831 target if none has been given already.
1832 (no_tgt, OPT_MT): New.
1833 (cpp_handle_option): Handle -MT. Update -M etc.
1834 * cpplib.h (struct cpp_options): Remove deps_target.
1835 * gcc.c (cpp_options): Handle -MT.
1836 * mkdeps.c (struct deps): Move from mkdeps.h.
1837 (deps_calc_target): Rename deps_add_default_target. Add a
1838 default target if none has been specified already.
1839 * mkdeps.h (struct deps): Move to mkdeps.c.
1840 (deps_calc_target): Rename deps_add_default_target.
1842 2000-01-03 Richard Henderson <rth@redhat.com>
1844 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1846 * c-typeck.c (push_init_level): Move checks for flexible array
1847 members and zero length arrays ...
1848 (pop_init_level): ... here. Silently discard empty initializations.
1850 * varasm.c (output_constructor): Update for sizeof change to
1853 * extend.texi (Zero Length): Clarify semantics.
1855 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1857 * configure.in (tm.h): Include isns-codes.h last.
1858 * configure: Rebuilt.
1860 2001-01-03 Richard Henderson <rth@redhat.com>
1862 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1863 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1865 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1867 * tradcpp.c (main): Make sure finclude() is called with a valid
1868 indepth value while handling -include.
1870 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1872 * gencodes.c (output_predicate_decls): New function.
1874 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1875 even if it is not the first time machmode.h is #included.
1876 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1877 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1878 * gcc.texi (Copyright): Added 2001.
1880 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1882 * c-common.c (c_common_lang_init): New function. Warn if format
1883 warning options which only have effects when used with -Wformat
1884 are used without -Wformat.
1885 * c-common.h (c_common_lang_init): Declare.
1886 * c-lang.c (lang_init): Call c_common_lang_init.
1887 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1889 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1891 * configure.in: Check for the mktemp command.
1892 * configure: Regenerate.
1893 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1894 $TEMP. Create temporary files with mktemp, if available at
1895 configure time; otherwise use set -C. Remove temporary files
1898 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1900 * configure.in: Require at least texinfo 4.0. Check for whether
1901 Pod::Man is sufficiently recent to regenerate GCC manpages.
1902 * configure: Regenerate.
1903 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1905 (GENERATED_MANPAGES): Define.
1906 (generated-manpages): New target. Depend on cpp.1 as well as
1908 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1909 configure to generated-manpages or empty) rather than on the
1910 manpages directly. Remove execute permission from installed
1911 gcov.1 as well as cpp.1.
1912 * cpp.1, gcov.1: Regenerate.
1914 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1917 tree_low_cst. Allow using cmpstrsi in more cases.
1919 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1921 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1924 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1926 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1927 * Makefile.in (HOST_CFLAGS): Mention build-make.
1929 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1931 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1934 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1936 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1939 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1942 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1943 reg_base_value and reg_known_value arrays.
1944 (init_alias_analysis): Add more cases to detect known values.
1945 * sched-deps.c (deps_may_trap_p): New function.
1946 (sched_analyze_2): Use it.
1948 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1950 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1951 don't discard an ASHIFTRT if we're shifting in a wider mode.
1953 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1955 * toplev.c (rest_of_compilation): Don't print basic block information
1956 when CFG isn't up to date.
1958 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1960 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1961 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1962 (UNALIGNED_SHORT_ASM_OP): Define.
1963 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1965 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1967 * fold-const.c (fold_convert): Fix typo.
1969 2001-01-02 Richard Henderson <rth@redhat.com>
1971 * c-common.h (ASM_INPUT_P): New.
1972 * c-parse.in (asm): Set it when needed.
1973 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1974 existance of an operand.
1976 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1978 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1979 (dwarf2out_frame_debug_expr): Likewise.
1980 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1982 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1984 * i386.c (ix86_split_to_parts): Return number of part required;
1986 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1988 (ix86_split_long_move): Use number of part returned
1989 by ix86_split_to_parts
1990 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1992 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1993 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1994 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1995 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1996 (ALIGN_MODE_128): Add TFmode.
1997 (IS_STACK_MODE): Likewise.
1998 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1999 (HARD_REGNO_OK): Support TFmodes.
2000 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2001 * i386.md (scheduler definitions): Use memory operand to determine
2002 fst/fld instructions; use mode attribute to determine real mode of
2004 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2005 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2007 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2009 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2011 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2013 * expr.c (store_constructor_field): Update ALIGN before calling
2016 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2018 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2021 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2023 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2026 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2028 * c-decl.c (start_function): Don't warn on third parameter to main.
2030 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * tsystem.h: Define HAVE_DECL_GETOPT.
2034 2001-01-02 Philip Blundell <pb@futuretv.com>
2036 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2039 2001-01-02 Richard Henderson <rth@redhat.com>
2041 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2043 2001-01-02 Andreas Jaeger <aj@suse.de>
2045 * c-decl.c (c_decode_option): Remove support of
2048 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2049 (W_options): Add -Wmissing-noreturn here.
2051 * flow.c: Define lang_missing_noreturn_ok_p.
2052 (check_function_return_warnings): Use it.
2054 * c-common.h: Declare lang_missing_noreturn_ok_p.
2056 * c-lang.c (c_missing_noreturn_ok_p): New function.
2057 (lang_init): Set lang_missing_noreturn_ok_p.
2059 * invoke.texi (Warning Options): Document this.
2061 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2063 * extend.texi (C++ Extensions): New node for C++ attributes;
2064 describe init_priority and com_interface.
2065 * invoke.texi: Remove -finit-priority as it now has zero effect.
2066 * install.texi: Fix xref syntax.
2067 * md.texi: Likewise.
2069 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2071 * config.gcc (sparc64-wrs-vxworks*): New case.
2072 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2074 * config/sparc/sparc.c (sparc_override_options): Do support different
2075 pointer and architecture size.
2076 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2077 (POINTERS_EXTEND_UNSIGNED): Define.
2078 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2079 (FUNCTION_MODE): Define to be Pmode.
2080 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2082 * function.c (expand_function_end): Properly handle DECL_RESULT
2083 and copy when ptr_mode != Pmode.
2084 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2086 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2088 * c-common.c (c_common_nodes_and_builtins): Set prototype
2089 parameters for __builtin_fputs, __builtin_fputc and
2090 __builtin_fwrite. Don't declare plain fputc as a builtin.
2092 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2094 * loop.c (add_label_notes): Increment the label usage count when
2095 a note is added to an insn which refers to a CODE_LABEL.
2096 * gcse.c (add_label_notes): Likewise.
2098 2001-01-01 Andreas Jaeger <aj@suse.de>
2100 * loop.c (scan_loop): Use xmalloc to allocate movables.
2102 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2104 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2105 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2106 * reload1.c (REGISTER_MOVE_COST): Likewise.
2107 * regclass.c (REGISTER_MOVE_COST): Likewise.
2108 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2109 dimension. Adjust all users.
2110 (init_reg_sets_1): Iterate on all modes.
2111 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2112 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2113 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2114 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2115 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2116 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2117 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2118 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2119 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2120 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2121 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2122 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2123 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2124 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2125 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2126 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2127 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2128 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2129 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2130 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2131 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2132 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2133 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2134 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2135 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2136 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2137 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2139 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2141 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2142 arg VARIES_P. Call it with extra arg.
2143 (true_dependence): Likewise.
2144 * rtl.h (rtx_addr_can_trap_p): Declare.
2145 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2147 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2148 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2149 pic offset table register if it's zero. All callers changed.
2150 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2152 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2154 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2155 STRING_POOL_ADDRESS_P.
2157 * config/sparc/sparc.c (input_operand): Properly test for short op.
2159 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2160 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2161 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2162 * config/sparc/elf.h: No longer include sol2.h.
2163 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2164 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2166 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2168 2001-01-01 Michael Hayes <mhayes@redhat.com>
2170 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2171 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2172 (record_initial): Likewise.
2173 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2174 (remap_split_bivs): Likewise.
2176 2001-01-01 Michael Hayes <mhayes@redhat.com>
2178 * loop.c (loop_ivs_free): New function.
2179 (strength_reduce): Break out from...
2181 2001-01-01 Michael Hayes <mhayes@redhat.com>
2183 * loop.h (struct iv): New.
2184 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2185 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2186 'reg_biv_class' fields with 'regs' and 'n_regs'.
2187 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2188 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2189 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2191 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2193 * resource.c (mark_referenced_resources): Abort() before
2194 attempting to mark a pseudo register.
2195 (mark_set_resources): Likewise.
2197 2001-01-01 Michael Hayes <mhayes@redhat.com>
2199 * loop.h (REG_IV_CLASS): New accessor macro.
2200 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2201 * unroll.c (REG_IV_CLASS): Likewise.
2203 See ChangeLog.4 for earlier changes.