| blob | ebda5b141dcd1d254f1701e468ff53e65b148da1 |
1 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3 * arm.c (use_return_insn): Don't try to determine the function type
4 until after reload has completed.
5 (arm_output_epilogue): Don't adjust the sp value recovered from the
6 stack.
7 (emit_multi_reg_push): Don't record dwarf information for the pc.
8 * arm.md (eh_epilogue): The function type may have changed, so it
9 needs to be recalculated.
10 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11 unwind tables on arm/netbsd.
13 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
15 * arm.md (cbranchsi4): Correct calculation of branch ranges.
16 (negated_cbranchsi4): Likewise.
18 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
20 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
21 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
22 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
23 pass -mapcs-* options to assembler.
24 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
25 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
26 (ASM_SPEC): Call subtarget_extra_asm_spec.
28 2001-01-15 Andreas Jaeger <aj@suse.de>
30 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
31 warnings.
32 (ix86_expand_builtin): Likewise.
34 * gencodes.c (output_predicate_decls): Make i size_t to avoid
35 warning about comparison between signed and unsigned.
37 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
39 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
41 2001-01-14 Ralf Baechle <ralf@gnu.org>
43 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
44 SUBTARGET_CPP_SPEC apropriatly.
46 2001-01-12 Mark Mitchell <mark@codesourcery.com>
48 * varasm.c (make_decl_rtl): Fix typo in last change.
50 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
52 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
53 linker supports the init_priority C++ attribute.
54 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
55 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
56 linker does not support init_priority C++ attribute.
58 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
60 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
62 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
64 * c-parse.in (finish_parse): Add comment about cpp_destroy.
65 * cp/lex.c (finish_parse): Similarly.
66 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
67 Return the number of errors encountered.
68 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
69 * cppmain.c (main): Don't call cpp_destroy.
71 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
73 * configure.in: Require at least perl 5.6.0 to regenerate
74 manpages.
75 * configure: Regenerate.
77 2001-01-14 Richard Henderson <rth@redhat.com>
79 * genrecog.c (DT_veclen_ge): New.
80 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
81 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
82 (nodes_identical_1): Handle DT_veclen_ge.
83 (write_cond, debug_decision_2): Likewise.
85 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
87 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
88 with ...
89 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
91 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
93 * cppmain.c (do_preprocessing): New function; most of the old
94 main.
95 (main): Call it to do most of the work.
96 (cb): Move from global scope to set_callbacks ().
97 (setup_callbacks): Get the callback pointer.
98 (general_init, printer_init): Clean up code and comments.
100 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
102 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
103 compiling PIC.
105 2001-01-14 Kazu Hirata <kazu@hxi.com>
107 * config/h8300/h8300.c (get_shift_alg): Update comments.
109 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
111 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
112 (alloc_page, ggc_alloc): Add casts to remove warnings.
114 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
116 * combine.c (simplify_comparison): Don't change `code' when
117 can't reverse comparison.
119 2001-01-14 Richard Henderson <rth@redhat.com>
121 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
122 update all call sites. Return true for all non-label constants.
124 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
126 * i386.c (ix86_expand_compare): Add bypass_test and second_test
127 parameters.
128 (ix86_expand_branch): Update.
129 (ix86_expand_setcc): Update to handle multiple test conditions.
130 (expand_int_movcc): Likewise.
131 (expand_fp_movcc): Likewise.
132 * i386-protos.h (ix86_expand_compare): New.
133 * i386.md (andqi_?_slp, orqi_?_slp): New.
134 (conditional trap expander): Update call to ix86_expand_compare.
136 2001-01-14 Richard Henderson <rth@redhat.com>
138 * config/vax/vax.md: Use nonimmediate_operand instead of
139 general_operand in destinations.
141 * config/vax/vax.md (indirect_jump): Use register_operand.
143 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
144 * config/vax/vax.md (call_pop): Turn into an expander.
145 (call_value_pop): Likewise.
146 (call, call_value): New.
148 2001-01-14 Andreas Jaeger <aj@suse.de>
150 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
151 variables.
152 (ix86_fp_compare_mode): Add unused attribute.
153 (ix86_expand_fp_movcc): Remove unused variable.
154 (ix86_expand_builtin): Make fcode unsigned.
156 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
157 (expand_expr): Add cast to avoid signed warning.
158 (store_field): Likewise.
159 (store_constructor_field): Likewise.
160 (store_constructor): Likewise.
161 (store_expr): Likewise.
162 (clear_storage): Likewise.
163 (emit_group_store): Likewise.
164 (emit_group_load): Likewise.
166 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
168 * c-common.c: Move format checking code to ...
169 * c-format.c: ... here. New file. Reorder some functions and
170 declarations.
171 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
172 New functions.
173 * c-common.h (decl_handle_format_attribute,
174 decl_handle_format_arg_attribute): Declare.
175 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
176 (c-common.o): Adjust dependencies.
177 (c-format.o): New list of dependencies.
179 2001-01-13 Jakub Jelinek <jakub@redhat.com>
181 * unroll.c (loop_iterations): If we cannot prove iteration variable
182 is set once in each iteration, punt.
184 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
186 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
187 (*strlenhi): Remove clobber (which was buggy) of output address.
189 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
191 * Makefile.in (generated-manpages): Add gcc.1
192 ($(srcdir)/gcc.1): New target.
193 (maintainer-clean): Delete $(srcdir)/gcc.1.
194 * gcc.texi: Add macros @gccoptlist and @gol.
195 * invoke.texi: Include option summary in manpage. Mark up option
196 summary with @gccoptlist and @gol. Use @r in one place where
197 appropriate.
198 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
199 * gcc.1: Generate from invoke.texi.
201 2001-01-13 Richard Henderson <rth@redhat.com>
203 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
204 (struct page_entry): Add group member.
205 (struct page_group): New.
206 (struct globals): Add page_groups member.
207 (alloc_anon): Only define for using mmap; remove valloc call.
208 (page_group_index): New.
209 (set_page_group_in_use): New.
210 (clear_page_group_in_use): New.
211 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
212 (free_page, release_pages): Likewise.
213 * configure.in (with-gc): Default to ggc-page always.
215 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
217 * reload1.c (replace_pseudos_in_call_usage): Use
218 reg_equiv_constant and reg_equiv_address, and don't try
219 regno_reg_rtx first.
221 2001-01-13 Richard Henderson <rth@redhat.com>
223 * ggc-page.c (alloc_page): Round up allocation size to one page.
224 Set e->order on extra pages.
226 2001-01-13 Richard Henderson <rth@redhat.com>
228 * genrecog.c (nodes_identical): Expand commentary.
229 (write_switch): Watch out for identical nodes.
231 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
233 * cppfiles.c (_cpp_fake_include): New function.
234 * cpphash.h (_cpp_fake_include): New.
235 * cpplib.c (do_line): Call _cpp_fake_include when entering
236 header files in preprocessed input.
237 * cppmain.c (cb_pragma_implementation): Remove handling.
238 (setup_callbacks): Don't register pragmas.
240 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
242 * extend.texi: Udate for CPP.
244 2001-01-13 Andreas Jaeger <aj@suse.de>
246 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
248 * regmove.c: Add prototype for replace_in_call_usage.
250 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
252 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
253 struct cpp_chunk, struct htab, struct toklist,
254 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
255 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
256 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
257 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
258 (struct macro_args): Delete.
259 * cpphash.h: See above.
261 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
263 * cppmain.c (struct printer): Remove no_line_dirs.
264 (options, cb): New.
265 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
266 : Use options rather than CPP_OPTION.
267 (setup_callbacks): Use cb rather than pfile->cb.
268 (main): No need to check for a buffer. Use cpp_errors.
269 (printer_init): Don't set no_line_dirs.
270 (maybe_print_line): Use options not no_line_dirs.
271 (cb_file_change): Don't call print_line if -P.
273 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
275 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
276 callbacks.
277 * c-parse.in (finish_parse): Use cpp_errors.
278 (__yylex): Use return value of cpp_pop_buffer.
279 * cp/lex.c (finish_parse): Use cpp_errors.
280 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
282 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
284 * README.AVR: URLs corrected.
286 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
288 * c-decl.c (start_function): Don't warn if old prototype is builtin
289 that's not in C's namespace.
290 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
291 (_bb): Add prototype for ctime.
292 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
294 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
296 * i386.c (ix86_fp_comparison_arithmetics_cost,
297 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
298 ix86_fp_comparison_cost): New functions.
299 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
300 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
301 two-branch sequences; make static.
302 (ix86_use_fcomi_compare): Do decision according to the costs.
303 (split_fp_branch): New.
304 * i386.md (compare-and-branch patterns): Use split_fp_branch.
305 * i386-protos.h (ix86_expand_fp_compare): Remove
306 (ix86_split_fp_branch): Declare.
308 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
309 and ix86_comparison_operator.
311 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
312 to make it cheaper.
314 * i386.c (put_condition_code): Output properly the unordered/ordered
315 compares in fp case.
316 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
318 * tm.texi (REVERSE_CONDITION): Document.
319 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
320 in -ffast-math mode.
321 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
323 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
325 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
327 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
328 optimized away.
330 * config/sh/sh.c (mova_p): Fix test for mova_const.
332 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
334 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
335 cpp_get_options rather than dereferencing pfile and using
336 CPP_OPTION.
337 * scan-decls.c (scan_decls): Use return value of
338 cpp_pop_buffer rather than CPP_BUFFER.
340 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
342 * cppinit.c (cpp_handle_option): help_only is now part of the
343 cpp_options structure.
344 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
345 cpp_set_callbacks): New functions.
346 * cpplib.h (cpp_callbacks): Break out as a named structure.
347 (cpp_options): Move help_only here from cpp_reader.
348 (CPP_FATAL_ERRORS): Update to use cpp_errors.
349 (cpp_errors, cpp_get_options, cpp_get_callbacks,
350 cpp_set_callbacks): New prototypes.
351 * cppmain.c (main): Update for help_only.
353 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
355 * Makefile.in (info, maintainer-clean, install-info, uninstall):
356 Also build and remove and install and uninstall c-tree.info and
357 cppinternals.info.
358 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
359 ($(srcdir)/cppinternals.info): New target.
360 * c-tree.texi: Change file name used when makeinfo used without -o
361 from ir.info to c-tree.info. Add info directory entry.
362 * cppinternals.texi: Add info directory entry.
363 * .cvsignore: Update.
365 2001-01-12 Jakub Jelinek <jakub@redhat.com>
367 * c-typeck.c (store_init_value): Don't require constant initializer
368 elements with -pedantic -std=c99.
369 (digest_init): Change error about non-constant initializer elements
370 into pedwarn.
371 (constructor_range_end): Remove.
372 (constructor_incremental, designator_depth,
373 designator_errorneous): New variables.
374 (struct constructor_stack): Remove range_end, add incremental.
375 (struct constructor_range_stack, constructor_range_stack): New.
376 (struct initializer_stack): Add constructor_range_stack.
377 (finish_init): Set it.
378 (start_init): Likewise. require_constant_elements for non-static
379 trees only if not flag_isoc99.
380 (really_start_incremental_init): Remove constructor_range_end, add
381 constructor_incremental.
382 (pop_init_level): Likewise.
383 (push_init_level): Likewise. If implicit and the subobject had some
384 value set already, preinitialize the level with it.
385 Warn about missing braces only if not pushing due to designators.
386 (set_designator, push_range_stack): New functions.
387 (set_init_label): Use them.
388 (set_init_index): Likewise. Remove constructor_range_end.
389 Error if designator index is outside of array bounds.
390 (add_pending_init): Compare values of purpose index trees, not the
391 trees themselves. Allow overwriting of already initialized element.
392 Issue a warning if it had side-effects.
393 (set_nonincremental_init, set_nonincremental_init_from_string): New
394 functions.
395 (pending_init_member): Rename to...
396 (find_init_member): ...this function. Call set_nonincremental_init
397 if necessary. Compare values of purpose index trees, not the trees
398 themselves. Return the actual value, not just non-zero if something
399 is found.
400 (output_init_element): Remove checks for duplicates.
401 If field has zero size, only check the initializer for correctness.
402 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
403 if constructor_incremental is zero. Change error about initializers
404 not computable at load time into pedwarn.
405 (output_pending_init_elements): Compare bit positions, not
406 FIELD_DECLs to take into account zero-sized fields.
407 (process_init_element): Use constructor_range_stack to fill all
408 ranges in the designator lists from current level up.
409 * extend.texi: Update documentation for labeled elements.
411 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
413 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
414 to function usage for arguments passed by reference. Optimize
415 callee-copied arguments.
416 * regmove.c (replace_in_call_usage): New function.
417 (fixup_match_1): Call it.
418 * cse.c (cse_insn): Canonicalize registers in function usage.
419 * reload1.c (replace_pseudos_in_call_usage): New function.
420 (reload): Call it.
422 * Makefile.in: Reverted yesterday's wrong patch. Installed the
423 right version.
425 2001-01-12 Jakub Jelinek <jakub@redhat.com>
427 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
428 not XEXP (tmp, 0).
430 2001-01-12 DJ Delorie <dj@redhat.com>
432 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
433 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
434 targets.
436 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
438 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
439 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
440 -std options alongside references to -ansi. Update some
441 documentation for C99.
442 * cpp.1: Regenerate.
444 2001-01-12 Andreas Jaeger <aj@suse.de>
446 * haifa-sched.c (restore_line_notes): Remove argument block B
447 since it's unused.
448 * sched-ebb.c (schedule_ebb): Change caller.
449 * sched-rgn.c (schedule_region): Likewise.
450 * sched-int.h (restore_line_notes): Adjust prototype.
452 * loop.h: Remove wrong declaration of doloop_condition_get.
454 2001-01-12 Phil Edwards <pme@sources.redhat.com>
456 * extend.texi: Move C++-extension-related node from the C section
457 into the C++ section.
459 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
461 * extend.texi: Refer to an array of pointers to functions instead
462 of one of functions.
464 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
465 Jan Hubicka <jh@suse.cz>
467 * combine.c (reversed_comparison): Fix typo in last patch.
468 Check X for NULL.
469 (combine_reversed_comparison_code): Make static to follow
470 prototype declaration.
472 2001-01-12 Phil Edwards <pme@sources.redhat.com>
474 * install.texi: Remove misplaced duplicate entry.
476 2001-01-11 Ulrich Drepper <drepper@redhat.com>
478 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
480 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
482 * final.c: (leaf_function_p): Fix typo.
484 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
486 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
487 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
488 which you have.
489 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
490 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
491 mmap_anon, and valloc is available.
492 * ggc-page.c: Restructure ifdef logic to match new autoconf
493 spec. Don't throw away the test page in init_ggc.
495 * configure, config.in: Regenerate.
497 2001-01-12 Michael Hayes <mhayes@redhat.com>
499 * loop.h (total_biv_increment): Constify iv_class pointer.
500 (struct induction): Replace `mem_mode' with `mem' rtx.
501 * unroll.c (total_biv_increment): Constify iv_class pointer.
502 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
503 (find_mem_givs, combine_givs_p): Likewise.
504 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
506 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
508 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
509 LastError.
510 (__gthread_getspecific): Ditto.
512 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
514 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
515 put_condition_code): Convert fp comparison codes to integer
516 before handling.
517 (ix86_expand_fp_compare): Postnote the fp comparison code converison
518 to final.
520 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
521 * i386-protos.h (no_comparison_operator): Kill.
523 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
525 * combine.c (REVERSIBLE_CC_MODE): Remove.
526 (reversible_comparison_p): Remove.
527 (combine_reversed_comparison_code): New.
528 (reversed_comparison): New.
529 (combine_simplify_rtx): Use
530 combine_reversed_comparison_code/reversed_comparison instead
531 of reversible_comparison_p.
532 (simplify_if_then_else): Likewise.
533 (simplify_set): Likewise.
534 (simplify_logical): Likewise.
535 (if_then_else_cond): Likewise.
536 (known_cond): Likewise.
537 (simplify_comparison): Likewise.
539 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
541 * builtins.c (std_expand_builtin_va_start): Handle varargs when
542 sizeof (int) is larger than sizeof(__word__).
544 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
546 * cppinit.c (do_includes): Fix typo.
548 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
550 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
551 in S_REGS does not occur because not all sources are possible
552 when a S_REGS is a destination (sometimes needs a clobber).
553 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
554 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
555 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
556 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
557 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
558 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
559 (lshrdi_const1, lshrsi3_const16): Likewise.
560 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
561 (*movhi_68hc12, *movqi_68hc12): Likewise.
562 (movstrictqi): Make sure reloading in D_REGS as a destination
563 does not happen.
565 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
567 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
569 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
571 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
572 -D, -U and -A, and don't initialize the builtins.
573 (do_includes): Error if -include or -imacros with -fpreprocessed.
574 * cppmain.c (cb_define, cb_undef): Unconditionally process
575 the callback.
576 * tradcpp.c (main): Fix typo.
578 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
580 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
581 (read_name_map): Use IS_ABSOLUTE_PATH.
582 * tradcpp.c (get_filename): Likewise.
584 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
586 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
587 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
588 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
589 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
590 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
591 (cmphi_z_used): Don't use '@' for the output.
592 (tstqi_z_used): Likewise.
593 (cmpqi_z_used): Likewise.
594 (one_cmplsi2): Likewise.
596 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
598 * config/sh/sh.c (barrier_align): Recognize branch around far
599 branch and redundant insn.
601 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
603 * invoke.texi: Restore documentation of the drivers' switches -MD
604 and -MMD.
606 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
608 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
610 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
611 check-objc//%): Support parallel testing of multilibs.
612 (TESTSUITEDIR): Set to testsuite by default, but override for
613 parallel testing.
614 (check-gcc, check-g++, check-g77, check-objc): Enter
615 $(TESTSUITEDIR).
617 2001-01-11 Bernd Schmidt <bernds@redhat.com>
619 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
620 * sched-deps.c (deps_may_trap_p): Likewise.
621 * basic-block.h: Remove a comment.
622 * flow.c (PROP_POSTRELOAD): Remove.
623 (update_life_info): Don't add it to prop_flags.
624 (mark_set_1): Lose the code that was enabled by it.
626 2001-01-11 Michael Hayes <mhayes@redhat.com>
628 * flow.c (flow_call_edges_add): New.
629 * basic_block.h (flow_call_edges_add): New.
631 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
633 * reload1.c (move2add_note_store): Update reg_set_luid even if
634 base reg remains the same.
636 2001-01-10 Nick Clifton <nickc@redhat.com>
638 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
639 machine_function structure to zero.
640 Add prototypes for machine_status functions.
642 2001-01-10 Mark Mitchell <mark@codesourcery.com>
644 * c-common.h (CTI_VOID_LIST): Remove.
645 (void_list_node): Likewise.
646 * tree.h (TI_VOID_LIST_NODE): New enumeral.
647 (void_list_node): New macro.
648 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
649 * config/i386/i386.c (ix86_init_builtins): Likewise.
650 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
652 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
654 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
655 * cppinit.c (cpp_start_read): Update comment, remove unneeded
656 if statement.
657 * tradcpp.c: Include mkdeps.h.
658 (deps, print_deps_phony_targets, deps_append, output_deps,
659 init_dependency_output, output_deps): New.
660 (deps_buffer, deps_allocated_size, deps_size, deps_column,
661 deps_output): Delete.
662 (print_deps_missing_files): Rename deps_missing_files.
663 (inhibit_output): Make global.
664 (main): Delete inhibit_output, deps_stream, deps_target.
665 Use mkdeps functionality in the same way as cpplib. Remove
666 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
667 -M and -MM. Remove old handling of deps via deps_out, and
668 old reading of environment variables.
669 (get_filename): Update to use deps_add_dep.
671 2001-01-10 Mark Mitchell <mark@codesourcery.com>
673 * output.h (make_function_rtl): Remove prototype.
674 (make_decl_rtl): Likewise.
675 * varasm.c (make_function_rtl): Remove.
676 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
677 than from a third parameter.
678 * tree.h (make_decl_rtl): Remove last parameter.
679 * c-decl.c (builtin_function): Remove last argument in call to
680 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
681 (start_function): Likewise.
682 * except.c (call_get_eh_context): Likewise.
683 * expr.c (emit_block_move): Likewise.
684 (clear_storage): Likewise.
685 * profile.c (output_func_start_profiler): Likewise.
686 * toplev.c (rest_of_decl_compilation): Likewise.
687 * objc/objc-act.c (create_builtin_decl): Likewise.
688 (synth_module_prologue): Likewise.
689 (generate_static_reference): Likewise.
690 (build_selector_reference_decl): Likewise.
691 (build_class_reference_decl): Likewise.
692 (build_objc_string_decl): Likewise.
693 (build_protocol_reference): Likewise.
695 2001-01-10 Richard Henderson <rth@redhat.com>
697 * hwint.h: Revert yesterday's change.
699 2001-01-10 Nick Clifton <nickc@redhat.com>
701 * function.h (save_machine_status): Delete.
702 (restore_machine_status): Delete.
703 Amend comment describing {init|mark|free}_machine_status.
705 * function.c (save_machine_status): Delete.
706 (restore_machine_status): Delete.
707 Amend comment describing {init|mark|free}_machine_status.
708 (push_function_context_to): Remove invocation of
709 save_machine_status.
710 (pop_function_context_from): Remove invocation of
711 restore_machine_status.
713 * emit-rtl.c (init_emit_once): Amend comment describing
714 {init|mark|free}_machine_status.
716 * tm.texi (Per-Function Data): New node. Describe the
717 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
718 function pointers.
720 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
722 * cppinit.c (OPT_g): Remove.
723 (cpp_handle_option): Update for removed -g3.
724 (print_help): Update.
725 * cpplib.h (struct cpp_options): Remove debug_output.
726 * cppmain.c (setup_callbacks, cb_define): Update.
727 * gcc.c (cpp_options): Translate -g3 to -dD.
729 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
731 * config/i960/i960.md: Change modifier to + on the zero_extract
732 pattern after the (rotate -2 reg) canonicalization pattern.
734 2001-01-10 Richard Henderson <rth@redhat.com>
736 * config/alpha/alpha.c (alpha_free_machine_status): New.
737 (override_options): Install it.
738 (alpha_mark_machine_status): Verify machine non-null.
739 * config/i386/i386.c (ix86_free_machine_status): New.
740 (override_options): Install it.
741 (ix86_init_machine_status): Use xcalloc.
742 (ix86_mark_machine_status): Verify machine non-null.
743 * config/ia64/ia64.c (ia64_free_machine_status): New.
744 (ia64_override_options): Install it.
745 (ia64_mark_machine_status): Verify machine non-null.
747 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
749 * function.c (instantiate_virtual_regs): Instantiate virtual
750 registers found in CALL_INSN_FUNCTION_USAGE.
752 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
754 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
755 equivalent to -ansi in disabling -Di386.
757 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
759 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
760 new functions.
761 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
763 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
765 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
767 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
769 * invoke.texi: Document that -fcond-mismatch isn't supported for
770 C++.
772 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
774 * gcc.texi: Define macro gcctabopt.
775 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
776 @command, @env and @option in some places where appropriate. Use
777 @gcctabopt where appropriate. Put URLs and email addresses inside
778 @w.
780 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
782 * gcc.c (cpp_options): Set MD file name from output
783 filename, if specified.
784 (suffix_subst): New static variable.
785 (do_spec): Clear it.
786 (do_spec_1, case '.'): Handle new `%.suffix' spec.
787 Clear it.
788 (give_switch): Handle suffix_subst.
790 2001-01-10 Phil Edwards <pme@sources.redhat.com>
792 * invoke.texi: Fix another typo.
794 2001-01-10 Phil Edwards <pme@sources.redhat.com>
796 * invoke.texi: Fix typo.
798 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
800 * c-lang.c (lang_hooks): Update.
801 (lang_decode_option): Remove.
802 (lang_init_options): Rename c_init_options.
803 * toplev.c (main): Use lang_hooks for lang_init_options
804 and lang_decode_option.
805 * toplev.h (lang_hooks): Add 2 new hooks.
806 * tree.h: Remove lang_init_options and lang_decode_option.
807 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
808 * cp/decl2.c: Similarly.
809 * cp/lex.c (lang_init_options): Rename cxx_init_options.
810 (lang_hooks): Update.
811 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
812 for consistency.
813 (lang_init_options): Rename ffe_init_options.
814 (lang_hooks): Update.
815 (lang_decode_option): Remove.
816 * java/lang.c (lang_init_options): Rename java_init_options.
817 (lang_decode_option): Rename java_decode_option.
818 (lang_hooks): Update.
819 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
820 (lang_decode_option): Rename objc_decode_option.
821 (lang_hooks): Update.
823 2001-01-09 Nick Clifton <nickc@redhat.com>
825 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
826 (d30v_return_addr_rtx): Delete.
827 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
828 cfun->machine structure.
829 (struct machine_function): Move to d30v.h
830 (d30v_save_machine_status): Delete.
831 (d30v_restore_machine_status): Delete.
832 (d30v_init_machine_status): New Function.
833 (d30v_mark_machine_status): New Function.
834 (d30v_free_machine_status): New Function.
835 (d30v_init_expanders): Use new functions.
836 (d30v_return_addr): Use ra_rtx field in cfun->machine.
837 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
838 d30v_return_addr_rtx.
840 * config/d30v/d30v.h (struct_machine): Move here.
841 Add eh_epilogue_sp_ofs field.
843 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
844 field in cfun->machine structure.
846 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
848 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
849 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
850 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
852 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
854 * objc/lang-options.h: Remove bogus reference to
855 Java trademark.
857 2001-01-09 Kazu Hirata <kazu@hxi.com>
859 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
860 return the result.
862 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
864 * reload.c (find_reloads_address): Check for eliminable registers
865 when substituting a constant expression for a pseudo.
867 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
869 * c-common.c (enum format_type): Add format_type_error.
870 (decode_format_type): New function.
871 (decl_attributes): Use it.
872 (format_kind_info): Adjust comment.
874 2001-01-09 David O'Brien <obrien@BSDi.com>
876 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
877 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
878 files in tm_file.
879 * config/i386/gnu.h: Don't include required platform specific .h files,
880 tm.h will do it instead.
881 * config/i386/i386elf.h: Likewise.
882 * config/i386/linux.h: Likewise.
883 * config/i386/moss.h: Likewise.
884 * config/mips/gnu.h: Likewise.
886 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
888 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
889 (rs6000-ibm-aix3.[01]*): Likewise.
890 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
891 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
892 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
893 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
894 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
895 (powerpc-*-eabiaix*): Likewise.
896 (powerpc-*-eabisim*): Likewise.
897 (powerpc-*-elf*): Likewise.
898 (powerpc-*-eabi*): Likewise.
899 (powerpc-*-rtems*): Likewise.
900 (powerpc-*-linux*libc1): Likewise.
901 (powerpc-*-linux*): Likewise.
902 (powerpc-wrs-vxworks*): Likewise.
903 (powerpcle-wrs-vxworks*): Likewise.
904 (powerpcle-*-sysv*): Likewise.
905 (powerpcle-*-elf*): Likewise.
906 (powerpcle-*-eabisim*): Likewise.
907 (powerpcle-*-eabi*): Likewise.
908 (powerpcle-*-solaris2*): Likewise.
909 * config/rs6000/aix31.h: Delete includes.
910 * config/rs6000/aix3newas.h: Likewise.
911 * config/rs6000/aix41.h: Likewise.
912 * config/rs6000/aix43.h: Likewise.
913 * config/rs6000/beos.h: Likewise.
914 * config/rs6000/rtems.h: Likewise.
915 * config/rs6000/sysv4.h: Likewise.
917 2001-01-09 Kazu Hirata <kazu@hxi.com>
919 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
920 Change an argument mode of machine_mode to shift_mode of
921 shift_mode. Remove an extra error check.
922 (emit_a_shift): Adopt to the new calling prototype of
923 get_shift_alg.
924 (function_prologue): Fix code for a monitor
925 function. Support H8/S.
926 (function_epilogue): Do not output pop for a monitor function.
928 2001-01-09 Nick Clifton <nickc@redhat.com>
930 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
931 (setup_incoming_varargs): Use sysv_varargs_p field of the
932 cfun->machine structure.
933 (struct machine_function): Move to rs6000.h
934 (rs6000_save_machine_status): Delete.
935 (rs6000_restore_machine_status): Delete.
936 (rs6000_init_machine_status): New Function.
937 (rs6000_free_machine_status): New Function.
938 (rs6000_init_expanders): Use new functions.
940 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
941 export.
942 (struct machine_function): Move here.
944 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
945 sysv_varargs_p field of the cfun->machine structure.
947 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
948 Remove prototype.
949 (rs6000_restore_machine_status): Remove prototype.
951 2001-01-09 Richard Henderson <rth@redhat.com>
953 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
954 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
955 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
956 (sched_analyze_2, sched_analyze_insn): Likewise.
957 (sched_analyze, init_deps): Likewise.
958 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
959 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
960 (compute_block_backward_dependences): Update propagate_deps call.
962 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
964 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
966 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
968 * cppinit.c (OPT_MD, OPT_MMD): Restore.
969 (cpp_handle_option): Handle them.
970 (cpp_post_options): Ensure one of -M or -MM is specified with
971 any other -M? option.
972 (init_dependency_output): Suppress output with -MG.
974 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
976 * cpp.texi: Update.
977 * invoke.texi: Update.
979 2001-01-09 Bernd Schmidt <bernds@redhat.com>
981 * sh.md (reload_outsf): Generate recognizable patterns for
982 TARGET_SH3E.
984 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
986 * c-lang.c (lang_hooks): Update.
987 (lang_init): Rename c_init.
988 (lang_finish): Remove.
989 * toplev.c (compile_file): Use lang_hooks for lang_init ()
990 and lang_finish ().
991 * toplev.h (lang_hooks): Add init () and finish ().
992 * tree.h (lang_init, lang_finish): Remove.
993 * cp/tree.h (lang_init, lang_finish): Remove.
994 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
995 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
996 lang_hooks): New.
997 (lang_init, lang_finish): Remove.
998 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
999 (lang_hooks): Update.
1000 * java/lang.c (lang_init): Rename java_init.
1001 (lang_finish): Remove.
1002 (lang_hooks): Update.
1003 * objc/objc-act.c (lang_init): Rename objc_init.
1004 (lang_finish): Remove.
1005 (lang_hoooks): Update.
1007 20001-01-09 Graham Stott <grahams@redhat.com>
1009 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1010 after `ptr` is initialised.
1012 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1014 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1015 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1016 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1017 stack adjusts, instead of r3.
1019 2001-01-09 Michael Hayes <mhayes@redhat.com>
1021 * flow.c (flow_loop_scan): Break out of ...
1022 (flow_loops_find) ... here.
1023 * basic-block.h (flow_loop_scan): New.
1024 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1025 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1027 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1029 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1030 macro_buffer_len.
1031 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1032 realloc()ing macro_buffer.
1034 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1035 if it's wider than long and the target's long is wider than the
1036 host's.
1038 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1040 Remove support for using UWIN as a host machine.
1041 * configure.in: Issue an error message.
1042 * configure: Regenerated.
1043 * config.gcc: Remove xm_* UWIN configury.
1044 * config/i386/xm-uwin.h: Remove.
1046 2001-01-08 Nick Clifton <nickc@redhat.com>
1048 * config/v850/v850.c (ra_rtx): Delete.
1049 (v850_save_machine_status): Delete.
1050 (v850_restore_machine_status): Delete.
1051 (v850_init_machine_status): New function.
1052 (v850_mark_machine_status): New function.
1053 (v850_free_machine_status): New function.
1054 (v850_return_addr): Use ra_rtx field in machine structure.
1055 (v850_init_expanders): Use new functions.
1057 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1058 * config/v850/v850.c: Change arguments to v850_output+* functions
1059 to take a const char *, to avoid compile time warning.
1060 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1061 (USER_LABEL_PREFIX): Redefine.
1063 2000-01-08 Jim Wilson <wilson@redhat.com>
1065 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1066 1 to unsigned HOST_WIDE_INT before left shift.
1068 2001-01-08 Nick Clifton <nickc@redhat.com>
1070 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1071 the machine structure has been allocated.
1072 (arm_free_machine_status): New function: Free the machine
1073 specific function structure.
1075 2001-01-08 Richard Henderson <rth@redhat.com>
1077 * jump.c (simplejump_p): Revert last change.
1079 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1081 * cppinit.c (init): Rename init_library.
1082 (cpp_create_reader): Update.
1083 * gcc.c (cpp_options): If -o given, use it as the target of
1084 any -M options.
1086 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1088 * arm.c (arm_arch5e): New variable.
1089 (all_cores): XScale is a 5TE device.
1090 (arm_override_options): Set arm_arch5e.
1091 (arm_init_builtins): __builtin_prefetch is in arch5e.
1092 * arm.h (arm_arch5e): Declare it.
1094 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1096 * arm.md (define_constants): Add defines for UNSPEC and
1097 UNSPEC_VOLATILE insns. Update all users.
1098 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1099 * arm.c (multi_register_push, note_invalid_constants)
1100 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1101 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1102 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1104 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1106 * jump.c (jump_optimize_1): Use reversed_comparison_code
1107 instead of can_reverse_comparison_p.
1108 (jump_back_p): Likewise.
1109 (invert_exp_1): Likewise.
1110 (thread_jumps): Likewise.
1111 * simplify-rtx.c (simplify_unary_operation): Likewise.
1112 (simplify_ternary_operation): Likewise.
1113 * cse.c (find_comparison_args): Convert to use
1114 can_reverse_comparison_p.
1115 (record_jump_equiv): Likewise.
1117 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1119 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1120 (EPILOGUE_USES): Define.
1121 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1122 automatically stack the LR if it isn't live.
1124 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1126 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1127 properly.
1129 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1131 * ggc-page.c (max_alignment): New structure.
1132 (MAX_ALIGNMENT): New macro.
1133 (init_ggc): Use it to round up the sizes in the
1134 extra_order_size_table.
1136 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1138 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1139 after reload.
1141 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1143 * builtins.def (BUILT_IN_FPRINTF): New entry.
1145 * c-common.c (c_expand_builtin_fprintf): New function.
1146 (init_function_format_info): Handle __builtin_fprintf.
1147 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1148 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1150 * c-decl.c (duplicate_decls): Adjust comment.
1152 * extend.texi (fprintf): Document new builtin.
1154 2001-01-07 Richard Henderson <rth@redhat.com>
1156 * jump.c (simplejump_p): Recognize any single_set jump
1157 of the proper form.
1159 2001-01-07 Richard Henderson <rth@redhat.com>
1161 * configure.in (slibdir): Accept an --with-slibdir option.
1162 Use "test" not "[" in configure. Default to $(libdir).
1164 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1165 fix typo in rm -f.
1166 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1167 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1168 (SHLIB_LINK): Create links for the soname.
1169 * config/mips/t-iris6: Likewise.
1170 * config/sparc/t-slibgcc: Likewise.
1171 * config/sparc/t-slibgcc-sld: Likewise.
1173 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1175 * config/i386/i386.c (constant_call_address_operand): Accept
1176 (const (plus (symbol_ref) (const_int))).
1177 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1178 constant_call_address_operand.
1180 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1182 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1183 and LONG_LONG_TYPE_SIZE > 32.
1185 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1187 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1188 the previous change.
1190 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1192 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1193 New.
1194 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1195 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1196 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1197 Declare.
1199 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1201 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1203 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1205 * c-lang.c (c_post_options): Call cpp_post_options.
1206 * objc/objc-act.c (objc_post_options): Similarly.
1207 * cppmain.c (main): Similarly.
1208 * fix-header.c (read_scan_file): Similarly.
1209 * cppinit.c (cpp_start_read): Move option consistency checks
1210 to cpp_post_options. Don't call init_dependency_output.
1211 If needed, add default target and main file dependency.
1212 (OPT_MD, OPT_MMD): Remove.
1213 (OPT_MF): New.
1214 (cpp_handle_option): Update for OPT_* changes.
1215 (cpp_post_options): New.
1216 (init_dependency_output): Command line -MF overrides environment
1217 variables. Don't set default target etc. Suppress output
1218 if dependencies are going to stdout.
1219 (print_help): Update.
1220 * cpplib.h (cpp_post_options): New.
1221 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1223 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1225 * jump.c (comparison_dominates_p): Support unordered compares.
1227 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1229 * simplify-rtx.c (simplify_relational_operation): Always simplify
1230 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1231 and UNGE.
1233 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1235 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1236 (nonzero_bits): Likewise.
1237 (simplify_comparison): Likewise.
1238 (num_sign_bit_copies): Likewise; return more sane value depending
1239 on STORE_FLAG_VALUE.
1240 (known_cond): Do not assume EQ to be always true for equivalent
1241 operands.
1243 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1245 * cse.c (fold_rtx): Handle unordered comparisons.
1247 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1249 * rtlanal.c (set_of_1): New static function.
1250 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1251 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1252 reg_set_last_last_regno): Remove.
1253 (set_of): New global function.
1254 (set_of_data): New structure.
1255 (reg_set_p, reg_set_last): Revamp for set_of.
1256 * rtl.h (set_of): New.
1258 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1261 * extend.texi: Document _Exit builtin.
1263 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * (initialize, initialize_builtins,
1266 initialize_dependency_output, initialize_standard_includes):
1267 Rename s/initialize/init. Update.
1268 (init_dependency_output): Move to after
1269 cpp_handle_options, the correct location temporally at least.
1270 (opt_comp): Move next to init (), its caller. Fix prototype.
1271 (init): Make "initialized" local scope.
1272 (cpp_create_reader): Always call init ().
1273 (cpp_start_read): Update.
1274 (output_deps): New function, broken out of cpp_finish.
1275 (cpp_finish): Break out output_deps.
1277 2001-01-07 Richard Henderson <rth@redhat.com>
1279 * collect2.c (COFF specific stuff): Revert 12-06 patch
1280 to prototype system functions.
1282 2001-01-07 Michael Hayes <mhayes@redhat.com>
1284 * hard-reg-set.h: Add multiple include guard.
1285 * basic-block.h (struct loop): Add `sink' field.
1286 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1287 (emit_iv_add_mult): Delete.
1288 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1289 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1290 (unroll_loop): Remove end_insert_before argument.
1291 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1292 (maybe_eliminate_biv_1): Likewise.
1293 (emit_iv_add_mult): Delete.
1294 (gen_add_mult, loop_regs_update): New.
1295 (loop_insn_emit_after, loop_insn_emit_before): New.
1296 (loop_insn_sink, loop_insn_sink_or_swim): New.
1297 (emit_iv_add_mult): Delete.
1298 (scan_loop): Set loop->sink.
1299 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1300 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1301 (maybe_eliminate_biv_1): Likewise.
1302 (maybe_eliminate_biv_1): Add basic block argument.
1303 * unroll.c (unroll_loop): Remove end_insert_before argument.
1304 (find_splittable_regs): Likewise.
1305 (find_splittable_regs): Use loop_insn_sink and its ilk.
1306 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1308 2001-01-07 Michael Hayes <mhayes@redhat.com>
1310 * loop.h (loop_insn_hoist): New prototype.
1311 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1312 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1313 (check_dbra_loop, load_mems): Likewise.
1314 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1315 (find_splittable_givs): Likewise.
1317 2001-01-07 Michael Hayes <mhayes@redhat.com>
1319 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1321 2001-01-07 Richard Henderson <rth@redhat.com>
1323 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1325 2001-01-07 Richard Henderson <rth@redhat.com>
1327 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1328 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1329 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1330 variant that handles a shared libgcc.
1331 (process_command): Always validate -{static,shared}-libgcc.
1332 (do_spec_1): New 'M' case.
1333 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1335 2001-01-07 Richard Henderson <rth@redhat.com>
1337 * Makefile.in (slibdir): New variable.
1338 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1339 (installdirs): Create slibdir.
1340 (install-libgcc, install-multilib): Defer to libgcc.mk.
1341 * configure.in (slibdir): Substitute.
1342 * mklibgcc.in (install): New target.
1344 * config/t-linux (SHLIB_LINK): Create links for the soname.
1345 (SHLIB_INSTALL): New.
1346 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1347 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1348 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1349 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1350 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1352 2001-01-07 Richard Henderson <rth@redhat.com>
1354 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1355 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1356 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1358 2001-01-07 Michael Hayes <mhayes@redhat.com>
1360 * loop.c (count_loop_regs_set): Delete.
1361 (load_mems_and_recount_loop_regs_set): Delete.
1362 (loop_regs_scan): Merge common code from count_loop_regs_set,
1363 scan_loop, and load_mems_and_recount_loop_regs_set.
1364 (scan_loop): Call load_mems directly and loop_regs_scan
1365 again if new registers created.
1367 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1369 * toplev.c (main): Call the front-end specific post_options
1370 hook if one is given.
1371 * toplev.h (struct_lang_hooks, lang_hooks): New.
1372 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1373 for the C front end.
1374 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1375 lang_hooks for the C++ front end.
1376 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1377 lang_hooks for the ObjC front end.
1378 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1379 * java/lang.c (lang_hooks): Hooks for the Java front end.
1381 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1384 for verbose DWARF[2] debugging.
1385 (cb_define, cb_undef): The new callbacks.
1386 * toplev.h (debug_define, debug_undef): Make const correct.
1387 * toplev.c (debug_define, debug_undef): Similarly. Do not
1388 perform the verbosity tests here anymore.
1390 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1392 * reload.c (subst_reloads): Take INSN argument. When
1393 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1394 * reload.h (subst_reloads): Adjust prototype.
1395 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1396 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1397 present in JUMP_INSNs and copy them to JUMP_LABEL.
1398 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1399 JUMP_INSNs and insns with REG_LABELs that are followed by
1400 JUMP_INSNs with the same REG_LABEL.
1401 * sched-rgn.c (is_cfg_nonregular): Likewise.
1402 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1403 note is available.
1404 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1405 JUMP_INSNs too.
1406 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1408 2001-01-06 Richard Henderson <rth@redhat.com>
1410 * loop.c (scan_loop): Use xcalloc for the regs array.
1411 (load_mems_and_recount_loop_regs_set): Zero the new memory
1412 received from xrealloc.
1414 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1416 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1418 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1420 * integrate.c (copy_rtx_and_substitute): When copying
1421 an ignored return value, strip REG_FUNCTION_VALUE_P.
1423 2001-01-06 Michael Hayes <mhayes@redhat.com>
1425 * loop.c (debug_biv, debug_giv): New.
1426 (loop_biv_dump): Break out from ...
1427 (record_biv): ... here.
1428 (loop_giv_dump): Break out from ...
1429 (record_giv): ... here.
1430 (loop_bivs_check): Use print_simple_rtl.
1431 * unroll.c (loop_iterations): Use print_simple_rtl.
1433 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1435 * pa.md (return, return_internal): Modify patterns to prevent regrename
1436 mucking with the return pointer.
1438 2001-01-05 Richard Henderson <rth@redhat.com>
1440 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1442 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1444 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1445 version supplied by Matteo Frigo.
1447 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * cpp.texi: Update for -MQ.
1450 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1451 (cpp_cleanup): Always free pfile->deps.
1452 (initialize_dependency_output): Don't create pfile->deps.
1453 (cpp_handle_option): Similarly.
1454 (OPT_MQ): New.
1455 * gcc.c (cpp_options): Handle -MQ.
1456 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1457 * mkdeps.c (base_name): Remove.
1458 (deps_init): Don't allocate vector space until it's needed.
1459 (deps_free): Only free vectors if allocated.
1460 (deps_add_target, deps_add_dep): Update for initial allocation.
1461 (deps_add_default_target): Don't strip to the base_name.
1463 2001-01-05 DJ Delorie <dj@redhat.com>
1465 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1466 (INIT_EXPANDERS): Define.
1468 * config/v850/v850.c (struct machine_function): Define.
1469 (v850_save_machine_status): New function.
1470 (v850_restore_machine_status): New function.
1471 (v850_return_addr): New function.
1472 (v850_init_expanders): New function.
1474 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1475 and v850_init_expanders.
1477 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1479 * cpplib.h (struct cpp_reader): Add help_only field.
1480 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1481 (cpp_handle_option): Set pfile->help_only if we see -h,
1482 --help, -target-help, or --version. Print version string but
1483 do not set help_only if we see -v or -version. Make text
1484 printed by -v match that printed by (-)-version.
1486 * cppmain.c (main): Exit after option parsing if
1487 pfile->help_only is true.
1489 * toplev.c (independent_decode_option): Call print_version,
1490 then exit, if we see --version (but not -version).
1491 (print_version): Split lengthy message into two lines.
1493 2001-01-05 Nick Clifton <nickc@redhat.com>
1495 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1496 temporary string for initialisation before calling ggc_alloc_string.
1498 2001-01-06 Michael Hayes <mhayes@redhat.com>
1500 * rtl.h (print_simple_rtl): New.
1501 * print-rtl.c (print_simple_rtl): New.
1502 (flag_simple): New.
1503 (print_rtx): Disable printing of flags and modes, etc.,
1504 if `flag_simple` nonzero.
1506 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1508 * function.c (fixup_var_refs): Use push_to_full_sequence where
1509 possible.
1511 2001-01-05 Michael Meissner <meissner@redhat.com>
1513 * flags.h (flag_reorder_blocks): Add declaration.
1514 (flag_rename_block): Ditto.
1516 2001-01-05 DJ Delorie <dj@redhat.com>
1518 * function.c (reorder_blocks): Make sure the flags are all reset
1519 before using them to mark blocks, else a second invocation will
1520 corrupt the block chain.
1521 (reorder_blocks_0): New, resets the flags.
1523 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1525 * cse.c (find_comparison_args): Stop if the argument is known to
1526 be constant.
1528 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1530 * config/sh/sh.md (movdf): When splitting load into pair of
1531 registers, don't clobber the register used in the address too
1532 early.
1534 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1536 * varasm.c (mark_constant_pool): Improve initial comments.
1537 (mark_constants): Move marking of constants to mark_constant.
1538 (mark_constant): New function to recursively mark all constants
1539 referred to by a constant.
1541 2001-01-05 Catherine Moore <clm@redhat.com>
1543 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1545 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1547 * cp/lang-options.h: Bring comment in line with reality.
1548 * f/lang-options.h: Likewise.
1549 * java/lang-options.h: Likewise.
1550 * objc/lang-options.h: Likewise.
1551 * ch/lang-options.h: Likewise.
1552 * f/g77.texi: And update the manual.
1554 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1555 Denis Chertykov <denisc@overta.ru>
1557 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1558 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1559 * config/avr/avr.md (all peepholes that request a scratch register):
1560 Call it, FAIL the peephole if not safe (in interrupt functions).
1562 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1564 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1566 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1568 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1569 Define.
1570 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1571 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1572 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1573 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1574 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1575 BUILT_IN_CIMAG.
1576 * extend.texi: Document these builtins.
1578 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1580 * c-common.c (lang_get_alias_set): Say we know nothing of
1581 VECTOR_TYPE aliasing.
1583 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1585 2001-01-05 Bruce Korb <bkorb@gnu.org>
1587 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1588 their x* equivalent versions for atexit-less systems
1589 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1590 systems (or any other system any more).
1592 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1594 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1595 output operands. Use arm_hard_register_operand for operand 4.
1596 (stmsi_postinc): Similarly.
1597 (ldmsi): Use arm_hard_register_operand for opernand 2.
1598 (stmsi): Similarly.
1599 * arm.c (arm_hard_register_operand): New function.
1600 * arm-protos.h (arm_hard_register_operand): Prototype it.
1602 * arm.h (HARD_REGNO_RENAME_OK): Define.
1604 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1606 * simplify-rtx.c (cfc_args): add "unordered" field.
1607 (check_fold_consts): Set unordered field.
1608 (simplify_relational_operation): Simplify the unordered
1609 comparisons.
1611 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1612 is valid.
1614 * emit-rtl.c (try_split): Fix code to mark labels.
1615 * jump.c (mark_jump_label): Make global.
1616 * rtl.h (mark_jump_label): Declare.
1618 * predict.c (estimate_probability): Handle unordred comparisons.
1620 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1622 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1623 * cppinit.c (initialize_dependency_output): Update.
1624 (cpp_finish): Output dummy targets for -MP.
1625 (OPT_MP): New.
1626 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1627 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1628 * gcc.c (cpp_options): Update to handle -MP.
1629 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1630 to quote only the default target.
1631 (deps_phony_targets): Insert a preceding newline. Rename from
1632 deps_dummy_targets for consistency.
1633 * mkdeps.h: Update
1635 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1637 * calls.c (emit_library_call_value_1): Support
1638 INIT_CUMULATIVE_LIBCALL_ARGS.
1639 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1641 2001-01-04 Richard Henderson <rth@redhat.com>
1643 * c-decl.c (finish_struct): Detect flexible array members
1644 used in an inappropriate context.
1645 * c-typeck.c (really_start_incremental_init): Special case
1646 constructor_max_index for zero length arrays.
1647 (pop_init_level): Allow initialization of flexible array
1648 members. Deprecate initialization of zero length arrays.
1649 Don't issue missing initializer warning for flexible array
1650 members or zero length arrays.
1651 (process_init_element): Don't dereference null DECL_SIZE.
1652 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1653 Don't abort for empty constructors. Use size_binop
1654 (output_constructor): Add commentary regarding zero length
1655 array futures. Abort if we try to initialize an array of
1656 unspecified length with a non-empty constructor in the middle
1657 of a structure.
1659 * extend.texi (Zero Length): Update and clarify documentation
1660 on static initialization.
1662 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1664 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1665 with more than 32767 words of local storage.
1667 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1669 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1670 for 'abs', 'labs', and 'fabs'.
1671 (c4x_expand_builtin): Likewise.
1672 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1674 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1676 * config/sh/sh.md (prget, prset): New insn types.
1677 (return delay slot): Dont' allow prset.
1678 (call, sfunc delay slot): Don't allow prget.
1679 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1680 for prset and prget.
1682 2001-01-05 Michael Hayes <mhayes@redhat.com>
1684 * loop.h (struct loop_reg): New.
1685 (struct loop_regs): Change to use array of `struct loop_reg'.
1686 * loop.c: Replace assortment of varrays with single regs array.
1687 (count_one_set): Delete may_not_move array argument
1688 and use regs array instead. All caller's changed.
1689 (count_loop_regs_set): Delete may_not_move and single_usage
1690 arguments and use regs array instead. All caller's changed.
1691 (find_single_use_in_loop): Replace usage array argument with pointer
1692 to regs structure. All caller's changed.
1693 (loop_optimize): Delete `moved_once' array.
1695 2001-01-05 Michael Hayes <mhayes@redhat.com>
1697 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1698 Use it instead of loop_info->has_call for scanning loop mems.
1699 (check_dbra_loop): Replace loop_info->has_call test with
1700 loop_info->has_nonconst_call.
1702 2000-01-04 Matthew Hiller <hiller@redhat.com>
1704 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1705 for TARGET_SH3E.
1707 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1709 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1710 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1712 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1714 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1715 (flag_short_double, flag_short_wchar): Define.
1716 (c_common_nodes_and_builtins): Create many tree nodes shared
1717 between C and C++ here instead of in cp/decl.c and ...
1718 * c-decl.c (init_decl_processing): ... here.
1719 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1720 (flag_short_double, flag_short_wchar): Don't define.
1721 (record_builtin_type): New function.
1722 (build_void_list_node): New function.
1723 * c-common.h (flag_short_double, flag_short_wchar,
1724 record_builtin_type, build_void_list_node): Declare.
1726 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1728 * integrate.c (expand_inline_function): Don't put a virtual
1729 register into the reg map.
1731 * function.c (fixup_var_refs_1): If force_operand didn't put
1732 the address into the target, move it there.
1734 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1736 Special-case tree_decl/tree_list allocations.
1737 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1738 (OBJECT_SIZE): New macro.
1739 (NUM_EXTRA_ORDER): Likewise.
1740 (extra_order_size_table): New variable.
1741 (NUM_ORDERS): New macro.
1742 (objects_per_page_table): New variable.
1743 (object_size_table): New variable.
1744 (G.pages): Use NUM_ORDERS to bound the array.
1745 (G.page_tails): Likewise.
1746 (DIV_ROUND_UP): Remove.
1747 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1748 (alloc_page): Use OBJECT_SIZE.
1749 (size_lookup): Don't make it const.
1750 (ggc_alloc): Use OBJECT_SIZE.
1751 (ggc_set_mark): Likewise.
1752 (ggc_get_size): Likewise.
1753 (init_ggc): Set up the object_size_table, objects_per_page_table,
1754 and adjust size_lookup.
1755 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1756 (ggc_pop_context): Use NUM_ORDERS.
1757 (clear_marks): Likewise.
1758 (sweep_pages): Likewise.
1759 (poison_pages): Likewise.
1760 (ggc_print_statistics): Use OBJECT_SIZE.
1762 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1764 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1765 Only call array_size_for_constructor if last field and array type
1766 with no upper bound.
1768 2001-01-04 Philip Blundell <philb@gnu.org>
1770 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1771 from bit 31 downwards, if this requires no more insns.
1772 (count_insns_for_constant): New helper function for above.
1774 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1776 * gencodes.c (output_predicate_decls): Remove empty initializer.
1778 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1780 * tree.c (copy_node): Remove documentation about obstacks.
1781 (buidl1): Check that nobody tries to build 2-argument nodes this
1782 way.
1784 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1787 fp_high_losum_p.
1789 * gencodes.c (output_predicate_decls): Fill empty initializer
1790 braces.
1792 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1794 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1795 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1796 or -MM.
1797 (do_include): Handle missing headers like cpp0.
1798 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1799 paths with first include pathname. Don't strcat to uninitialized
1800 string.
1802 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1804 * regrename.c (regrename_optimize): Don't rename from frame pointer
1805 if frame_pointer_needed.
1806 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1807 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1808 (ia64_reorg): Use it instead of scheduling if ! optimize.
1809 (errata_emit_nops): Properly call asm_noperands.
1810 (ia64_sched_reorder): Finish cycle if we see an asm.
1811 (ia64_variable_issue): Clear scheduling state after asms.
1813 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1815 * cpp.texi: Update for -MT.
1816 * cppinit.c (initialize_dependency_output): Add a default
1817 target if none has been given already.
1818 (no_tgt, OPT_MT): New.
1819 (cpp_handle_option): Handle -MT. Update -M etc.
1820 * cpplib.h (struct cpp_options): Remove deps_target.
1821 * gcc.c (cpp_options): Handle -MT.
1822 * mkdeps.c (struct deps): Move from mkdeps.h.
1823 (deps_calc_target): Rename deps_add_default_target. Add a
1824 default target if none has been specified already.
1825 * mkdeps.h (struct deps): Move to mkdeps.c.
1826 (deps_calc_target): Rename deps_add_default_target.
1828 2000-01-03 Richard Henderson <rth@redhat.com>
1830 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1831 Remove dead code.
1832 * c-typeck.c (push_init_level): Move checks for flexible array
1833 members and zero length arrays ...
1834 (pop_init_level): ... here. Silently discard empty initializations.
1835 Remove dead code.
1836 * varasm.c (output_constructor): Update for sizeof change to
1837 zero-length arrays.
1839 * extend.texi (Zero Length): Clarify semantics.
1841 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1843 * configure.in (tm.h): Include isns-codes.h last.
1844 * configure: Rebuilt.
1846 2001-01-03 Richard Henderson <rth@redhat.com>
1848 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1849 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1851 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1853 * tradcpp.c (main): Make sure finclude() is called with a valid
1854 indepth value while handling -include.
1856 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1858 * gencodes.c (output_predicate_decls): New function.
1859 (main): Call it.
1860 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1861 even if it is not the first time machmode.h is #included.
1862 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1863 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1864 * gcc.texi (Copyright): Added 2001.
1866 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1868 * c-common.c (c_common_lang_init): New function. Warn if format
1869 warning options which only have effects when used with -Wformat
1870 are used without -Wformat.
1871 * c-common.h (c_common_lang_init): Declare.
1872 * c-lang.c (lang_init): Call c_common_lang_init.
1873 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1875 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1877 * configure.in: Check for the mktemp command.
1878 * configure: Regenerate.
1879 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1880 $TEMP. Create temporary files with mktemp, if available at
1881 configure time; otherwise use set -C. Remove temporary files
1882 before exit.
1884 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1886 * configure.in: Require at least texinfo 4.0. Check for whether
1887 Pod::Man is sufficiently recent to regenerate GCC manpages.
1888 * configure: Regenerate.
1889 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1890 on #!.
1891 (GENERATED_MANPAGES): Define.
1892 (generated-manpages): New target. Depend on cpp.1 as well as
1893 gcov.1.
1894 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1895 configure to generated-manpages or empty) rather than on the
1896 manpages directly. Remove execute permission from installed
1897 gcov.1 as well as cpp.1.
1898 * cpp.1, gcov.1: Regenerate.
1900 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1902 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1903 tree_low_cst. Allow using cmpstrsi in more cases.
1905 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1907 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1908 sized types.
1910 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1912 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1913 * Makefile.in (HOST_CFLAGS): Mention build-make.
1915 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1917 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1918 as JUMP_INSN.
1920 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1922 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1923 a REG rtx.
1925 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1926 callers changed.
1928 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1929 reg_base_value and reg_known_value arrays.
1930 (init_alias_analysis): Add more cases to detect known values.
1931 * sched-deps.c (deps_may_trap_p): New function.
1932 (sched_analyze_2): Use it.
1934 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1936 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1937 don't discard an ASHIFTRT if we're shifting in a wider mode.
1939 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1941 * toplev.c (rest_of_compilation): Don't print basic block information
1942 when CFG isn't up to date.
1944 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1946 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1947 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1948 (UNALIGNED_SHORT_ASM_OP): Define.
1949 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1951 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1953 * fold-const.c (fold_convert): Fix typo.
1955 2001-01-02 Richard Henderson <rth@redhat.com>
1957 * c-common.h (ASM_INPUT_P): New.
1958 * c-parse.in (asm): Set it when needed.
1959 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1960 existance of an operand.
1962 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1964 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1965 (dwarf2out_frame_debug_expr): Likewise.
1966 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1968 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1970 * i386.c (ix86_split_to_parts): Return number of part required;
1971 handle TFmodes.
1972 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1973 TFmodes.
1974 (ix86_split_long_move): Use number of part returned
1975 by ix86_split_to_parts
1976 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1977 New macros.
1978 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1979 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1980 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1981 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1982 (ALIGN_MODE_128): Add TFmode.
1983 (IS_STACK_MODE): Likewise.
1984 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1985 (HARD_REGNO_OK): Support TFmodes.
1986 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1987 * i386.md (scheduler definitions): Use memory operand to determine
1988 fst/fld instructions; use mode attribute to determine real mode of
1989 the instruction.
1990 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1991 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1993 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1995 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1997 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1999 * expr.c (store_constructor_field): Update ALIGN before calling
2000 store_constructor.
2002 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2004 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2005 host_integerp.
2007 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2009 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2010 incomplete type.
2012 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2014 * c-decl.c (start_function): Don't warn on third parameter to main.
2016 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * tsystem.h: Define HAVE_DECL_GETOPT.
2020 2001-01-02 Philip Blundell <pb@futuretv.com>
2022 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2023 of input operand.
2025 2001-01-02 Richard Henderson <rth@redhat.com>
2027 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2029 2001-01-02 Andreas Jaeger <aj@suse.de>
2031 * c-decl.c (c_decode_option): Remove support of
2032 -Wmissing-noreturn.
2034 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2035 (W_options): Add -Wmissing-noreturn here.
2037 * flow.c: Define lang_missing_noreturn_ok_p.
2038 (check_function_return_warnings): Use it.
2040 * c-common.h: Declare lang_missing_noreturn_ok_p.
2042 * c-lang.c (c_missing_noreturn_ok_p): New function.
2043 (lang_init): Set lang_missing_noreturn_ok_p.
2045 * invoke.texi (Warning Options): Document this.
2047 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2049 * extend.texi (C++ Extensions): New node for C++ attributes;
2050 describe init_priority and com_interface.
2051 * invoke.texi: Remove -finit-priority as it now has zero effect.
2052 * install.texi: Fix xref syntax.
2053 * md.texi: Likewise.
2055 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2057 * config.gcc (sparc64-wrs-vxworks*): New case.
2058 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2060 * config/sparc/sparc.c (sparc_override_options): Do support different
2061 pointer and architecture size.
2062 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2063 (POINTERS_EXTEND_UNSIGNED): Define.
2064 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2065 (FUNCTION_MODE): Define to be Pmode.
2066 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2068 * function.c (expand_function_end): Properly handle DECL_RESULT
2069 and copy when ptr_mode != Pmode.
2070 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2072 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * c-common.c (c_common_nodes_and_builtins): Set prototype
2075 parameters for __builtin_fputs, __builtin_fputc and
2076 __builtin_fwrite. Don't declare plain fputc as a builtin.
2078 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2080 * loop.c (add_label_notes): Increment the label usage count when
2081 a note is added to an insn which refers to a CODE_LABEL.
2082 * gcse.c (add_label_notes): Likewise.
2084 2001-01-01 Andreas Jaeger <aj@suse.de>
2086 * loop.c (scan_loop): Use xmalloc to allocate movables.
2088 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2090 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2091 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2092 * reload1.c (REGISTER_MOVE_COST): Likewise.
2093 * regclass.c (REGISTER_MOVE_COST): Likewise.
2094 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2095 dimension. Adjust all users.
2096 (init_reg_sets_1): Iterate on all modes.
2097 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2098 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2099 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2100 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2101 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2102 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2103 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2104 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2105 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2106 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2107 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2108 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2109 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2110 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2111 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2112 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2113 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2114 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2115 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2116 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2117 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2118 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2119 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2120 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2121 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2122 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2123 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2125 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2127 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2128 arg VARIES_P. Call it with extra arg.
2129 (true_dependence): Likewise.
2130 * rtl.h (rtx_addr_can_trap_p): Declare.
2131 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2132 prototypes.
2133 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2134 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2135 pic offset table register if it's zero. All callers changed.
2136 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2138 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2140 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2141 STRING_POOL_ADDRESS_P.
2143 * config/sparc/sparc.c (input_operand): Properly test for short op.
2145 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2146 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2147 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2148 * config/sparc/elf.h: No longer include sol2.h.
2149 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2150 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2152 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2154 2001-01-01 Michael Hayes <mhayes@redhat.com>
2156 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2157 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2158 (record_initial): Likewise.
2159 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2160 (remap_split_bivs): Likewise.
2162 2001-01-01 Michael Hayes <mhayes@redhat.com>
2164 * loop.c (loop_ivs_free): New function.
2165 (strength_reduce): Break out from...
2167 2001-01-01 Michael Hayes <mhayes@redhat.com>
2169 * loop.h (struct iv): New.
2170 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2171 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2172 'reg_biv_class' fields with 'regs' and 'n_regs'.
2173 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2174 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2175 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2177 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2179 * resource.c (mark_referenced_resources): Abort() before
2180 attempting to mark a pseudo register.
2181 (mark_set_resources): Likewise.
2183 2001-01-01 Michael Hayes <mhayes@redhat.com>
2185 * loop.h (REG_IV_CLASS): New accessor macro.
2186 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2187 * unroll.c (REG_IV_CLASS): Likewise.
2189 See ChangeLog.4 for earlier changes.