1 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
3 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6 * calls (stack_arg_under_construction): Make it static.
8 * flow.c (regs_live_at_setjmp): Make it static.
9 * flow.h: Remove the corresponding prototype.
11 * reload1.c (reload_startobj, reload_firstobj,
12 something_needs_operands_changed, reload_inherited,
13 reload_inheritance_insn, reload_override_in,
14 reload_spill_index): Make them static.
16 * recog.c (verify_changes): Make it static.
17 * recog.h: Remove the corresponding prototype.
19 * cfgbuild.c (find_sub_basic_blocks): Remove.
20 * basic-block.h: Remove the corresponding prototype.
21 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
23 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
25 * tree-ssa-operands.c (check_build_stmt): Remove.
27 * stor-layout.c (set_alignment): Remove.
28 * tree.h: Remove the corresponding prototype.
30 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
32 * tree-ssa-dce.c (control_dependence_map,
33 visited_control_parents): Make them static.
35 * cfghooks.c (verify_flow_info): Remove local variable
38 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
40 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
42 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
44 * config/ia64/hpux.h (LINK_SPEC): Add -z.
45 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
46 PARALLEL for an empty structure.
48 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
50 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
52 * fold-const.c (fold_binary): Unroll the very first "for"
55 2005-03-06 David Edelsohn <edelsohn@gnu.org>
57 * config/rs6000/predicates.md (branch_comparison_operator): Remove
58 redundant match_code test.
59 (scc_comparison_operator): Swap match_operand and match_code
61 (branch_positive_comparison_operator): Same.
62 (trap_comparison_operator): Use comparison_operator and swap with
65 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
68 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
69 (out_movhi_r_mr): Read low byte of volatile MEM first.
70 (out_movhi_mr_r): Write high byte of volatile MEM first.
72 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
74 * cselib.c (reg_values, reg_values_size): Make them static.
76 * cse.c (cse_reg_info_table): Make it static.
78 * fold-const.c (fold_unary): Use build1 instead of copy_node.
80 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
82 * cse.c (find_best_addr): Use canon_for_address.
84 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
86 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
87 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
88 SUBREG and MEM, respectively.
90 * fold-const.c (fold_binary): Use code instead of t.
92 * fold-const.c (optimize_minmax_comparison): Take decomposed
93 arguments code, type, op0, and op1 instead of t.
94 (fold_binary): Update a call to optimize_minmax_comparison.
96 * fold-const.c (fold_range_test): Take decomposed arguments
97 code, type, op0, and op1 instead of t.
98 (fold_binary): Update a call to fold_range_test.
100 * fold-const.c (fold_binary_op_with_conditional_arg): Take
101 decomposed arguments code, type, op0, and op1 instead of t.
102 (fold_binary): Update a call to fold_range_test.
104 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
106 * fold-const.c (fold_binary): Avoid directly using the original
107 expression t as much as possible.
109 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
111 * c-semantics.c (build_stmt): Use TYPE_P instead of
112 IS_NON_TYPE_CODE_CLASS.
113 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
114 (NON_TYPE_CHECK): Use TYPE_P instead of
115 IS_NON_TYPE_CODE_CLASS.
117 * fold-const.c (fold): Remove handling of binary expressions.
119 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
121 * doc/c-tree.texi: Wrap comments in @r{}.
122 * doc/cpp.texi: Likewise.
123 * doc/cppinternals.texi: Likewise.
124 * doc/extend.texi: Likewise.
125 * doc/md.texi: Likewise.
126 * doc/objc.texi: Likewise.
127 * doc/sourcebuild.texi: Likewise.
128 * doc/tm.texi: Likewise.
131 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
133 * predict.c (apply_return_prediction): Standardize PHI chain
135 * tree-ssa.c (ssa_redirect_edge): Likewise.
137 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
138 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
141 * tree-phinodes.c (remove_phi_node): Drop the last argument.
142 * tree-flow.h: Adjust the prototype for remove_phi_node.
143 * lambda-code.c (perfect_nestify): Adjust a call to
146 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
147 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
149 * tree-ssa-dce.c (remove_dead_phis): Likewise.
150 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
151 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
152 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
154 * combine.c (simplify_and_const_int): Use gen_int_mode instead
155 of GEN_INT (trunc_int_for_mode (...)).
156 * loop-iv.c (iv_number_of_iterations): Likewise.
157 * postreload.c (reload_cse_move2add): Likewise.
158 * simplify-rtx.c (simplify_const_unary_operation,
159 simplify_const_binary_operation): Likewise.
160 * stor-layout.c (get_mode_bounds): Likewise.
162 * fold-const.c (fold_binary): New.
163 (fold): Call fold_binary on binary expressions.
165 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
167 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
168 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
169 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
170 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
171 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
173 2005-03-04 Devang Patel <dpatel@apple.com>
175 PR tree-optimization/18815
176 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
177 loops with zero exit edges.
179 2005-03-04 Devang Patel <dpatel@apple.com>
181 * doc/invoke.texi: Remove reference to webpage that does not exist.
183 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
184 Joseph S. Myers <joseph@codesourcery.com>
187 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
188 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
189 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
190 * pa.c (get_plabel): Change argument to symbol_ref. Call
191 maybe_get_identifier instead of get_identifier.
192 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
193 (struct deferred_plabel): Replace name field with symbol field.
194 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
195 ASM_OUTPUT_EXTERNAL_REAL is defined.
196 (output_global_address): Use output_addr_const for output of all
198 (output_deferred_plabels): Use symbol_ref instead of name for address
200 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
201 ASM_OUTPUT_SYMBOL_REF): New macros.
202 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
204 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
207 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
209 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
210 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
212 2005-03-04 Jeff Law <law@redhat.com>
214 * basic-block.h (rediscover_loops_after_threading): Declare.
215 * tree-ssa-dom.c: Include cfgloop.h.
216 (tree_ssa_dominator_optimize): Discover loops and some basic
217 properties. Remove forwarder blocks recreated by loop header
218 canonicalization. Also mark backedges in the CFG.
219 * tree-ssa-threadupdate.c: Include cfgloop.h
220 (rediscover_loops_after_threading): Define.
221 (struct local_info): New field, JUMP_THREADED.
222 (prune_undesirable_thread_requests): New function.
223 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
224 then record that fact for the callers of redirct_edges.
225 (thread_block): If BB has incoming backedges, then call
226 prune_undesirable_thraed_requests. Note when we are
227 going to have to rediscover loop information. Return a
228 boolean indicating if any jumps were threaded.
229 (thread_through_all_blocks): Bubble up boolean indicating
230 if any jumps were threaded.
231 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
232 (tree-ssa-threadupdate.o): Similarly.
234 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
236 * fold-const.c (fold_ternary): Unroll the "for" loop to
239 2005-03-04 Andrew Haley <aph@redhat.com>
241 * unwind-dw2-fde-glibc.c (struct
242 unw_eh_callback_data.check_cache): New field.
243 (frame_hdr_cache): New.
244 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
245 Cache frame header info.
247 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
249 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
250 (print_c_condition): Declare.
251 * read-rtl.c (ptr_loc): New structure.
252 (ptr_locs, ptr_loc_obstack, joined_conditions)
253 (joined_conditions_obstack): New variables.
254 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
255 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
256 (join_c_conditions, print_c_condition): New functions.
257 (apply_macro_to_string): Associate the new string with the same
258 source location as the old one.
259 (add_condition_to_string): Use join_c_conditions.
260 (read_string): Use set_rtx_ptr_loc to record a filename and line
261 number for the string.
262 (read_rtx): Initialize the new variables above.
263 * genattrtab.c (write_test_expr, write_attr_value): Use
265 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
266 comment above the GCC_VERSION check.
267 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
268 Inline the definition of MAYBE_EVAL.
269 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
270 * genoutput.c (process_template): Likewise.
271 * genpreds.c (write_predicate_subfunction): Likewise.
272 (write_predicate_expr): Use print_c_condition.
273 * genrecog.c (write_cond): Likewise.
274 * gensupport.c (process_rtx): Use join_c_conditions to join the
275 conditions of a define_insn_and_split. Record a source location
276 for the string after the "&&".
277 (alter_test_for_insn): Use join_c_conditions.
279 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
282 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
283 PR tree-optimization/15784
284 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
287 2005-03-04 Ben Elliston <bje@au.ibm.com>
289 * gcc.c (option_map): Add --coverage.
290 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
291 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
292 * config/darwin.h: Pass -lgcov for `coverage'.
293 * doc/invoke.texi (Debugging Options): Document --coverage.
295 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
297 * gcse.c (bypass_block): Use find_edge wherever possible.
299 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
303 * c-opts.c (c_common_parse_file): Call start_source_file
304 and end_source_file at the approriate times.
306 * dwarf2out.c (dwarf2out_finish): Don't auto-end
307 the main file, it will be done for us now.
309 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
311 * fold-const.c (fold_ternary): New.
312 (fold): Call fold_ternary on ternary expressions. Remove
313 handling of ternary expressions.
315 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
317 PR tree-optimization/15784
318 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
321 2005-03-03 David Edelsohn <edelsohn@gnu.org>
323 * config/rs6000/predicates.md (branch_comparison_operator):
324 Convert from C block to conditional format.
326 2005-03-03 Jan Hubicka <jh@suse.cz>
328 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
329 and non-constant public variables.
331 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
333 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
336 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
339 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
340 calls to release_ssa_name and release_phi_node.
342 * fold-const.c (fold): Remove handling of unary expressions.
344 * fold-const.c (fold_unary): Avoid directly using the original
345 expression t as much as possible.
347 2005-03-03 Roger Sayle <roger@eyesopen.com>
348 Andrew Pinski <pinskia@physics.uc.edu>
350 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
351 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
353 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
355 Describe special registers SRP and MOF as allocatable registers.
356 * config/cris/cris.c (cris_md_asm_clobbers): New function.
357 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
358 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
359 TARGET_HAS_MUL_INSNS.
360 (cris_print_operand) <case 'd'>: New case.
361 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
362 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
364 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
365 (REG_ALLOC_ORDER): Update for MOF.
366 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
368 (GENERAL_REGS): No longer a define of ALL_REGS.
369 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
370 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
372 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
373 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
374 (SECONDARY_RELOAD_CLASS): Define.
375 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
376 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
377 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
378 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
379 (REGISTER_MOVE_COST): Define.
380 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
381 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
382 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
383 (CRIS_MOF_REGNUM): New define_constants.
384 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
386 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
388 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
389 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
390 Adjust for MOF being properly described as a register.
391 (indir_to_reg_split): Name this split. Conditionalize on the
392 destination register being a general register.
393 (movei): Conditionalize on on operands 0 and 1 having the same
396 2005-03-03 Alan Modra <amodra@bigpond.net.au>
399 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
400 -mcpu to override any other explicitly given flags.
402 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
404 * recog.c (verify_changes, confirm_change_group): New functions,
405 broken out of apply_change_group.
406 (apply_change_group): Use them.
407 * recog.h (verify_change, confirm_change_group): Declare.
408 * rtl.h (redirect_jump_2): Declare.
409 * jump.c (redirect_exp, invert_exp): Delete.
410 (invert_exp_1): Take second parameter. Return value. Changed caller.
411 (redirect_jump_2): New function, broken out of redirect_jump.
412 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
413 (invert_jump): Use invert_jump_1 and redirect_jump_2.
414 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
416 2005-03-02 Geoffrey Keating <geoffk@apple.com>
418 * varasm.c (named_section): Use xstrdup rather than doing it by
421 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
423 2005-03-02 Devang Patel <dpatel@apple.com>
425 Undo PR tree-optimization/18815 fix.
427 2005-03-02 Devang Patel <dpatel@apple.com>
429 PR tree-optimization/18815
430 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
431 loops with zero exit edges.
433 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
435 * cfg.c (connect_src, connect_dest, disconnect_src,
436 disconnct_dest): New.
437 (unchecked_make_edge, remove_edge, redirect_edge_succ,
438 redirect_edge_pred): Use the new functions.
440 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
441 free_dominance_info only when needed.
443 2005-03-02 David Edelsohn <edelsohn@gnu.org>
446 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
447 (reg_or_sub_cint64_operand): Same.
449 2005-03-02 Jeff Law <law@redhat.com>
451 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
452 CFG_ALTERED in the main DOM iteration loop.
454 2005-03-02 Mark Mitchell <mark@codesourcery.com>
457 * varasm.c (initializer_constant_valid_p): Allow conversions
458 between OFFSET_TYPEs. Tidy.
460 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
462 * config/cris/cris.md ("return"): Remove epilogue delay list
465 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
467 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
469 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
471 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
473 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
474 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
475 config/m68k/m68k.c, config/mips/mips.h,
476 config/rs6000/rs6000-protos.h, doc/contrib.texi,
477 doc/include/gcc-common.texi: Update copyright.
479 PR middle-end/18029 and PR middle-end/18030
480 * expr.c (optimize_bitfield_assignment_op): Add a special case
481 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
483 * fold-const.c (fold_unary): New.
484 (fold): Call fold_unary on unary expressions.
486 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
488 * cgraph.h (struct cgraph_edge): Add prev_caller and
490 (cgraph_node_remove_callees): Export.
491 * cgraph.c (cgraph_create_edge): Initialize prev_caller
493 (cgraph_edge_remove_callee): New function.
494 (cgraph_edge_remove_caller): Likewise.
495 (cgraph_remove_edge): Use.
496 (cgraph_redirect_edge_callee): Likewise.
497 (cgraph_node_remove_callees): New function.
498 (cgraph_node_remove_callers): Likewise.
499 (cgraph_remove_node): Use.
500 * tree-optimize.c (tree_rest_of_compilation): Use
501 cgraph_node_remove_callees instead of manual loop.
502 * cgraphunit.c (cgraph_finalize_function): Likewise.
503 (cgraph_expand_function): Likewise.
504 (cgraph_remove_unreachable_nodes): Likewise.
506 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
509 * c-tree.h (undeclared_variable, build_external_ref): Add extra
511 * c-decl.c (undeclared_variable): Take location as argument.
512 * c-typeck.c (build_external_ref): Likewise.
513 * c-parser.c (c_parser_postfix_expression): Pass location of
514 identifier to build_external_ref.
516 2005-03-01 David Edelsohn <edelsohn@gnu.org>
518 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
519 CCEQ mode for branch_positive_comparison_operator test.
520 * config/rs6000/predicates (branch_comparison_operator): Revert to
522 (scc_comparison_operator): Same.
523 (branch_positive_comparison_operator): Same.
525 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
527 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
528 (cris_delay_slots_for_epilogue): Remove.
529 (save_last): Move into cris_target_asm_function_epilogue.
530 (cris_target_asm_function_epilogue): Remove tests for file being
532 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
533 (cris_delay_slots_for_epilogue): Remove prototypes.
534 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
535 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
537 2005-03-01 David Edelsohn <edelsohn@gnu.org>
539 * config/rs6000/predicates.md (branch_comparison_operator): Change
540 to define_special_predicate.
541 (scc_comparison_operator): Same.
542 (branch_positive_comparison_operator): Same.
544 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
546 * Makefile.in (tree-ssa-sink.o): New.
547 (OBJS-common): Add tree-ssa-sink.o.
548 * common.opt: Add -ftree-sink
549 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
550 * timevar.def (TV_TREE_SINK): new timevar.
551 * tree-flow.h (is_hidden_global_store): Prototype.
552 * tree-optimize.c (init_tree_optimization_passes): Add
554 * tree-pass.h (pass_sink_code): New.
555 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
556 for non-obvious global store store to is_hidden_global_store, and
557 call that new function.
558 * tree-ssa-sink.c: New file.
559 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
560 * doc/passes.texi: Document forward store motion.
561 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
562 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
563 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
564 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
566 2005-03-01 Per Bothner <per@bothner.com>
568 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
569 and we have a non-zero column-number, add it to the message.
570 Also factor out the diagnostic_kind_text.
572 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
574 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
575 flow_loop_pre_header_scan, flow_loop_pre_header_find,
576 flow_loop_scan): Removed.
577 (flow_loop_dump): Do not dump removed fields.
578 (flow_loop_free): Do not free removed fields.
579 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
580 (loop_exit_edge_p): New function.
581 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
582 num_pre_header_edges, entry_edges, num_entries, exit_edges,
583 num_exits, exits_doms.
584 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
585 LOOP_EDGES, LOOP_ALL): Removed.
586 (flow_loop_scan): Declaration removed.
587 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
588 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
590 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
591 (if_convert): Call flow_loops_find and flow_loops_free
592 when calling mark_loop_exit_edges.
593 * cfgloopanal.c (mark_loop_exit_edges): Moved from
594 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
595 free_dominance_info calls.
596 * loop-init.c (flow_loops_find): Ditto.
597 * passes.c (rest_of_handle_branch_prob): Ditto.
598 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
599 * loop-unroll.c (analyze_insns_in_loop): Do not use
601 * predict.c (predict_loops): Do not call flow_loop_scan.
602 Use get_loop_exit_edges.
603 (tree_estimate_probability): Do not pass flags to flow_loops_find.
604 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
605 Do not use EDGE_LOOP_EXIT.
606 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
607 to bb_with_exit_edge_p.
608 (if_convertible_loop_p): Do not call flow_loop_scan. Use
609 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
610 to bb_with_exit_edge_p.
611 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
613 * tree-loop-linear.c (linear_transform_loops): Do not call
614 flow_loop_scan. Use loop->single_exit.
615 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
616 (vect_analyze_loop_form): Do not call flow_loop_scan.
617 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
619 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
621 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
622 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
623 slpeel_tree_duplicate_loop_to_edge_cfg,
624 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
625 Use loop_preheader_edge and loop->single_exit. Do not call
628 2005-03-01 Nick Clifton <nickc@redhat.com>
630 * config/arm/arm.c (thumb_find_work_register): Check all of the
631 argument registers to see if they are free, and a couple of
632 special cases where the last argument register but can be proved
633 to be available during the function's prologue.
634 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
635 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
636 thumb_unexpanded_epilogue): Use unsigned long as the type for the
638 (thumb_compute_save_reg_mask): Likewise. Also use
639 thumb_find_work_register() to ensure that there is agreement about
640 which work register is going to be used in the prologue.
641 (thumb_output_function_prologue): Use unsigned long as the type
642 for the register bit-mask. Also delay pushing the link register if
643 other high registers are going to be pushed.
644 (thumb_compute_save_reg_mask, emit_multi_reg_push,
645 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
646 redundant prototypes.
648 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
651 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
652 and after reload in REG+REG indexed addresses without REG_POINTER
653 set in the base and not set in the index.
655 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
657 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
659 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
660 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
661 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
662 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
663 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
665 * config.gcc (sh*-*-linux*): Use config/linux.h.
667 2005-02-28 Dale Johannesen <dalej@apple.com>
668 Stan Shebs <shebs@apple.com>
670 Rewrite of 64-bit Darwin structure-by-value pass/return.
671 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
672 intoffset, use_stack, named.
673 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
674 (rs6000_darwin64_record_arg_advance_flush): New.
675 (rs6000_darwin64_record_arg_advance_recurse): New.
676 (rs6000_darwin64_record_arg_flush): New.
677 (rs6000_darwin64_record_arg_recurse): New.
678 (rs6000_darwin64_record_arg): New.
679 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
680 (function_arg_boundary): Handle 128-bit aligned structs.
681 (function_arg_advance): Rewrite darwin64 struct handling.
682 (function_arg): Call rs6000_darwin64_record_arg.
683 (function_arg_partial_nregs): Handle darwin64 structs.
684 (rs6000_darwin64_function_value): Remove.
685 (rs6000_function_value): Call rs6000_darwin64_record_arg.
687 2005-02-28 Roger Sayle <roger@eyesopen.com>
689 PR tree-optimization/20216
690 * tree-chrec.c (tree_fold_factorial): Delete.
691 (tree_fold_binomial): Change argument list to take a return type
692 and change the type of K to unsigned int. Rewrite to avoid explicit
693 evaluation of factorials, and (recursively) calling fold to perform
694 compile-time arithmetic. Return NULL on (internal) overflow.
695 (chrec_evaluate): Change type of K to an unsigned int. Avoid
696 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
697 if any intermediate calculation overflows.
698 (chrec_apply): Update call to chrec_evaluate.
700 2005-02-28 James E Wilson <wilson@specifixinc.com>
702 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
704 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
707 * c-parser.c (c_parser_compound_statement): Return error_mark_node
708 instead of NULL_TREE on error.
710 2005-02-28 David Edelsohn <edelsohn@gnu.org>
712 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
713 (EASY_VECTOR_15_ADD_SELF): Remove.
714 (num_insns_constant_wide): Not static.
715 (validate_condition_mode): Not static.
716 (toc_relative_expr_p): Not static.
717 (legitimate_indirect_address_p): Not static.
718 (macho_lo_sum_memory_operand): Not static.
719 (invalid_e500_subreg): Not static.
720 (easy_vector_same): Not static.
721 (easy_vector_splat_const): Not static.
722 (RS6000_SYMBOL_REF_TLS_P): Remove.
723 (any_operand): Delete.
724 (any_parallel_operand): Delete.
725 (count_register_operand): Delete.
726 (altivec_register_operand): Delete.
727 (xer_operand): Delete.
728 (s8bit_cint_operand): Delete.
729 (short_cint_operand): Delete.
730 (u_short_cint_operand): Delete.
731 (non_short_cint_operand): Delete.
732 (exact_log2_cint_operand): Delete.
733 (gpc_reg_operand): Delete.
734 (cc_reg_operand): Delete.
735 (cc_reg_not_cr0_operand): Delete.
736 (reg_or_short_operand): Delete.
737 (reg_or_neg_short_operand): Delete.
738 (reg_or_aligned_short_operand): Delete.
739 (reg_or_u_short_operand): Delete.
740 (reg_or_cint_operand): Delete.
741 (reg_or_arith_cint_operand): Delete.
742 (reg_or_add_cint64_operand): Delete.
743 (reg_or_sub_cint64_operand): Delete.
744 (reg_or_logical_cint_operand): Delete.
745 (got_operand): Delete.
746 (got_no_const_operand): Delete.
747 (easy_fp_constant): Delete.
748 (easy_vector_constant): Delete.
749 (easy_vector_constant_add_self): Delete.
750 (zero_constant): Delete.
751 (zero_fp_constant): Delete.
752 (volatile_mem_operand): Delete.
753 (offsettable_mem_operand): Delete.
754 (mem_or_easy_const_operand): Delete.
755 (add_operand): Delete.
756 (non_add_cint_operand): Delete.
757 (logical_operand): Delete.
758 (non_logical_cint_operand): Delete.
759 (mask_operand): Delete.
760 (mask_operand_wrap): Delete.
761 (mask64_operand): Delete.
762 (mask64_2_operand): Delete.
763 (and64_operand): Delete.
764 (and64_2_operand): Delete.
765 (and_operand): Delete.
766 (reg_or_mem_operand): Delete.
767 (lwa_operand): Delete.
768 (symbol_ref_operand): Delete.
769 (call_operand): Delete.
770 (current_file_function_operand): Delete.
771 (input_operand): Delete.
772 (rs6000_nonimmediate_operand): Delete.
773 (rs6000_tls_symbol_ref): Delete.
774 (save_world_operation): Delete.
775 (restore_world_operation): Delete.
776 (load_multiple_operation): Delete.
777 (store_multiple_operation): Delete.
778 (vrsave_operation): Delete.
779 (mfcr_operation): Delete.
780 (mtcrf_operation): Delete.
781 (lmw_operation): Delete.
782 (stmw_operation): Delete.
783 (branch_comparison_operator): Delete.
784 (branch_positive_comparison_operator): Delete.
785 (scc_comparison_operator): Delete.
786 (trap_comparison_operator): Delete.
787 (boolean_operator): Delete.
788 (boolean_or_operator): Delete.
789 (min_max_operator): Delete.
790 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
791 (EASY_VECTOR_15): Moved to here.
792 (EASY_VECTOR_15_ADD_SELF): Move to here.
793 (PREDICATE_CODES): Delete.
794 * config/rs6000/rs6000-protos.h: Delete predicate functions.
795 Declare functions no longer static.
796 * config/rs6000/predicates.md: New.
797 * config/rs6000/rs6000.md: Include predicates.md
799 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
801 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
802 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
804 * cfgrtl.c (need_fake_edge_p): Likewise.
805 * combine.c (distribute_notes): Likewise.
806 * emit-rtl.c (try_split): Likewise.
807 * recog.c (peephole2_opimize): Likewise.
808 * reg-notes.def (ALWAYS_RETURN): Remove.
809 * rtl.h (LCT_ALWAYS_RETURN): Remove.
810 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
811 * tree.h (ECF_ALWAYS_RETURN): Remove.
813 2005-02-28 Roger Sayle <roger@eyesopen.com>
816 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
817 between different machine modes is never a "useless" conversion.
819 2005-02-28 Geert Bosch <bosch@gnat.com>
822 * doc/contrib.texi: List contributors for Ada front end
824 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
826 * simplify-rtx.c (simplify_unary_operation_1,
827 simplify_const_unary_operation): New, extracted from...
828 (simplify_unary_operation): ... this one.
829 (simplify_binary_operation_1,
830 simplify_const_binary_operation): New, extracted from...
831 (simplify_binary_operation): ... this one.
832 * rtl.h (simplify_const_unary_operation,
833 simplify_const_binary_operation): Add prototypes.
835 2005-02-28 Julian Brown <julian@codesourcery.com>
837 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
838 building libjava and caused PR regression/20228.
840 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
843 * Makefile.in (host_subdir): New.
844 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
845 * configure: Regenerate.
847 2005-02-27 Zack Weinberg <zack@codesourcery.com>
849 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
850 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
851 installation directory first.
853 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
856 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
857 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
858 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
859 * config/cris/cris.md: Tweak comments referring to Q.
860 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
861 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
862 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
863 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
864 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
865 Insert spaces in constraints to align alternatives vertically for
867 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
870 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
872 PR rtl-optimization/17728
873 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
874 operand 0 from general_operand to move_dest_operand.
876 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
878 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
879 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
880 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
881 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
883 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
885 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
886 * configure: Regenerate.
887 * libada-mk.in: Remove CC; rename
888 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
890 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
893 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
894 for the lhs, also walk over the tree. Likewise for rhs.
896 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
898 * tree-ssa-dom.c (simple_iv_increment_p): New function.
899 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
900 Do not propagate value of iv before increment over the increment.
902 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
904 * c-parser.c: New file.
905 * c-parse.in: Remove.
906 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
908 (c-parser.o): Add dependencies.
909 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
910 maintainer-clean, TAGS): Update.
911 * c-config-lang.in (gtfiles): Update.
912 * gengtype-lex.l: Don't handle "@@".
913 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
914 objc_build_synchronized, objc_begin_try_stmt,
915 objc_begin_catch_clause, objc_finish_catch_clause,
916 objc_build_finally_clause, objc_finish_try_stmt): New.
917 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
919 (c_parse_init): Update comment.
920 * c-decl.c (c_init_decl_processing): Update comment.
921 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
922 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
923 new c_declspecs members.
925 2005-02-25 Julian Brown <julian@codesourcery.com>
927 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
928 from being used for symbols with vague linkage when
929 HAVE_GAS_COMDAT_GROUP is true.
931 2005-02-25 Mark Mitchell <mark@codesourcery.com>
933 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
935 2005-02-25 Steve Ellcey <sje@cup.hp.com>
938 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
939 (LIBGCC2_HAS_DF_MODE): New.
940 (LIBGCC2_HAS_XF_MODE): New.
941 (LIBGCC2_HAS_TF_MODE): New.
942 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
943 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
944 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
945 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
946 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
947 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
948 and add _fixtfdi, _fixunstfdi, _floatditf
949 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
950 L_fixunstfdi, L_floatditf.
951 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
952 (LIBGCC2_HAS_TF_MODE): Define.
954 2005-02-25 Diego Novillo <dnovillo@redhat.com>
956 PR tree-optimization/20204
957 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
958 REWRITE_THIS_STMT markers on PHI nodes.
959 (rewrite_initialize_block): Likewise.
961 2005-02-25 Mark Mitchell <mark@codesourcery.com>
963 * version.c (version_string): Update to 4.1.
965 2005-02-25 Paolo Carlini <pcarlini@suse.de>
967 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
968 Clarify that the alternative way doesn't work in GNU C++.
970 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
972 PR tree-optimization/19937
973 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
974 to the type of the induction variable.
976 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
978 PR rtl-optimization/20117
979 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
980 the block including noncopyable insn.
982 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
984 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
985 calls to find_reg_note.
987 2005-02-24 Richard Henderson <rth@redhat.com>
990 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
993 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
995 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
996 vector types if to use base reg for misaligned non-word ld/std.
998 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1001 * config/cris/cris.c (cris_target_asm_function_prologue): Create
1002 dwarf2 label manually and put it after, not before the prologue.
1004 2005-02-24 David Edelsohn <edelsohn@gnu.org>
1007 * reload.c (operands_match_p): Only increment register number for
1008 SCALAR_INT_MODE_P modes in multiple hard registers.
1010 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1013 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1015 * ChangeLog.5: Fix log message typo(s).
1016 * ChangeLog.7: Likewise.
1017 * ChangeLog.tree-ssa: Likewise.
1018 * cfgexpand.c: Fix comment typo(s).
1019 * conflict.c: Likewise.
1020 * defaults.h: Likewise.
1021 * dwarf2out.c: Likewise.
1023 * ggc-page.c: Likewise.
1024 * tree-eh.c: Likewise.
1025 * tree-ssa-dom.c: Likewise.
1027 2005-02-24 Jakub Jelinek <jakub@redhat.com>
1030 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1031 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1032 if SHARED is defined.
1035 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1036 allow splitting only if operands 0 and 3 don't overlap.
1038 2005-02-24 Richard Henderson <rth@redhat.com>
1041 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1042 (fold_builtin_1): Call them.
1043 * fold-const.c (fold_complex_mult_parts): Split out from ...
1044 (fold_complex_mult): ... here. Fix typo in both imaginary case.
1045 (fold_complex_div_parts, fold_complex_div): New.
1047 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1049 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1051 * tree-ssa-ccp.c (visit_assignment): Verify that result of
1052 VIEW_CONVERT_EXPR is_gimple_min_invariant.
1054 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1055 (print_node): Likewise.
1056 Print TYPE_SIZES_GIMPLIFIED.
1058 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1060 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1061 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1062 operands as commutative in constraints.
1064 2005-02-24 Diego Novillo <dnovillo@redhat.com>
1066 * tree-into-ssa.c: Re-organize internal functions.
1068 2005-02-24 Richard Henderson <rth@redhat.com>
1071 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1073 * common.opt (fcx-limited-range): New.
1074 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1075 * toplev.c (flag_complex_method): Initialize to 1.
1076 (process_options): Set flag_complex_method to 0 if
1077 flag_cx_limited_range.
1078 * doc/invoke.texi (-fcx-limited-range): New.
1080 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1082 * cse.c (delete_trivially_dead_insns): Speed up by using
1083 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1086 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
1088 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1089 functions when -mid-shared-library is being used.
1091 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
1093 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1094 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1095 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1096 * system.h: Poison LINK_LIBGCC_SPECIAL.
1098 2005-02-23 James E Wilson <wilson@specifixinc.com>
1100 * gengtype.c (note_insn_name): Make 1 element larger.
1102 2005-02-23 Roger Sayle <roger@eyesopen.com>
1105 PR rtl-optimization/20097
1106 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1107 BImode SUBREGs of SImode registers which confuse the ia64 backend.
1109 2005-02-23 David Edelsohn <edelsohn@gnu.org>
1111 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1112 * t-aix52 (SHLIB_INSTALL): Same.
1114 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
1116 * genpreds.c: Update copyright.
1118 2005-02-23 Michael Beach <michaelb@ieee.org>
1121 * config/sparc/t-elf (startup files): Assemble with CPP.
1123 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
1125 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1126 (write_predicate_expr): Likewise.
1128 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1130 PR tree-optimization/20100
1131 PR tree-optimization/20115
1132 * tree-optimize.c (init_tree_optimization_passes): Remove
1133 pass_maybe_create_global_var.
1134 * tree-pass.h (pass_maybe_create_global_var): Remove.
1135 * tree-ssa-alias.c (aliases_computed_p): Declare.
1136 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1137 (count_calls_and_maybe_create_global_var): Remove.
1138 (pass_maybe_create_global_var): Remove.
1139 (init_alias_info): Do not declare aliases_computed_p.
1140 (maybe_create_global_var): If the function contains no
1141 call-clobbered variables and a mix of pure/const and regular
1142 function calls, create .GLOBAL_VAR.
1143 Mark all call-clobbered variables for renaming.
1144 (merge_pointed_to_info): Update comment.
1145 (add_pointed_to_var): Likewise.
1146 (is_escape_site): Likewise.
1147 Accept struct alias_info * instead of size_t *.
1149 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1151 * tree-ssa-operands.c (get_call_expr_operands): If
1152 ALIASES_COMPUTED_P is false, do not add call-clobbering
1154 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1155 (delete_tree_ssa): Likewise.
1157 2005-02-22 James E Wilson <wilson@specifixinc.com>
1159 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1160 (do_compile): Do call it here.
1162 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1164 PR rtl-optimization/20017.
1165 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1166 rest_of_handle_cse2, rest_of_handle_gcse): Call
1167 delete_dead_jumptables immediately before calling cleanup_cfg.
1169 2005-02-22 Devang Patel <dpatel@apple.com>
1172 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1175 2005-02-22 David Edelsohn <edelsohn@gnu.org>
1177 * config/rs6000/aix.h (WINT_TYPE): Define.
1179 2005-02-22 Stan Shebs <shebs@apple.com>
1181 * config/rs6000/rs6000.c (rs6000_override_options): Default to
1182 natural alignment for 64-bit Darwin.
1183 (rs6000_parse_alignment_option): Warn about uses of -malign-power
1185 * doc/invoke.texi: Document this.
1187 2005-02-22 DJ Delorie <dj@redhat.com>
1189 * c-common.c (c_common_type_for_mode): Pass the mode's precision
1190 to make_[un]signed_type, not the mode itself.
1192 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1194 * cfg.c (cached_make_edge): Call make_edge if edge cache is
1195 not available. Use tail calls wherever possible.
1196 (make_edge): Call unchecked_make_edge to create an edge.
1198 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1199 (coalesce_ssa_name): Don't check for
1200 SSANORM_USE_COALESCE_LIST.
1201 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1203 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1205 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1206 (rewrite_into_ssa): ... here.
1208 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
1210 PR tree-optimization/19786
1211 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1212 tag to another's may-alias bitmap when adding to the other's list.
1214 2005-02-21 DJ Delorie <dj@redhat.com>
1216 * tree-ssa-loop-ivopts.c (computation_cost): Start register
1217 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1218 registers in unsupported ways.
1219 * expmed.c (init_expmed): Likewise.
1221 2005-02-21 Stan Cox <scox@redhat.com>
1223 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1225 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1227 * tree-cfg.c (fold_cond_expr_cond): New.
1228 (make_edges): Call fold_cond_expr_cond.
1229 (find_taken_edge): Accept nothing but INTEGER_CST.
1230 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1232 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1234 * flow.c (delete_dead_jumptables): Speed up by scanning insns
1235 that do not belong to any basic block.
1237 2005-02-21 Jeff Law <law@redhat.com>
1239 * cfganal.c (find_unreachable_blocks): Manually CSE load of
1242 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1244 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1245 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1246 Adjust their definitions.
1247 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1248 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1250 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1251 genautomata.c, langhooks.c, langhooks.h, system.h,
1252 config/arm/lib1funcs.asm: Update copyright.
1254 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
1256 * dbxout.c (dbxout_function_end): Emit Lscope label always.
1258 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
1261 * doc/install.texi: Document --with-gc.
1263 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
1265 * simplify-rtx.c (simplify_unary_operation): Add a missing
1268 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1270 PR tree-optimization/18663
1271 * tree-ssa-dom.c (extract_range_from_cond): Return 0
1272 if the type has variable bounds.
1274 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
1276 * gcse.c: Remove an obsolete comment.
1278 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1280 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
1282 * doc/extend.texi (Function Attributes) <Attribute const>: The
1283 attribute "pure" is below this text, not above.
1285 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1287 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1288 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1289 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1291 2005-02-20 Zack Weinberg <zack@codesourcery.com>
1294 * langhooks.h (struct lang_hooks): Add to_target_charset.
1295 * langhooks.c (lhd_to_target_charset): New function.
1296 * langhooks-def.h: Declare lhd_to_target_charset.
1297 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1298 (LANG_HOOKS_INITIALIZER): Update.
1299 * c-common.c (c_common_to_target_charset): New function.
1300 * c-common.h: Declare it.
1301 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1302 c_common_to_target_charset.
1304 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1305 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1307 * system.h: Poison them.
1308 * doc/tm.texi: Don't discuss them.
1309 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1310 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1311 (pp_c_char): Do not attempt to generate letter escapes for
1313 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1314 * config/mips/mips.c (mips_output_ascii): Likewise.
1316 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
1318 PR tree-optimization/19951
1319 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1322 2005-02-19 Steven Bosscher <stevenb@suse.de>
1325 * function.h (struct function): New field `max_loop_depth'.
1326 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1327 (flow_loops_find): Reset the max loop depth count before finding loops.
1328 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1329 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1330 (calculate_global_regs_live): Make sure the loop will terminate
1331 when the initial sets are not empty.
1333 2005-02-19 Zack Weinberg <zack@codesourcery.com>
1335 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1337 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1339 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
1342 * doc/invoke.texi: Remove documentation of %M spec.
1344 (init_spec): Remove %M suffix from -lgcc_s.
1345 (do_spec_1): Remove 'M' case.
1346 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
1347 to put shared libraries in the multilib directory. Remove the
1348 shlib_so_soname substitution variable. Don't add a multilib encoding
1349 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
1350 reported by -print-multi-os-directory. Pass @multilib_dir@ to
1351 SHLIB_INSTALL as well as SHLIB_LINK.
1352 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1353 (SHLIB_NAME): Delete.
1354 (SHLIB_DIR): New macro.
1355 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1356 (SHLIB_INSTALL): Adjust accordingly.
1357 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1358 * config/t-slibgcc-sld: Likewise.
1359 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1360 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1361 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1363 (SHLIBUNWIND_INSTALL): Adjust accordingly.
1364 * config/i386/t-nwld (SHLIB_SONAME): Delete.
1365 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1366 Use @shlib_base_name@ instead of @shlib_so_name@.
1367 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1368 and @shlib_base_name@.so in @multilib_dir@.
1369 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
1370 to the install path.
1371 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1372 (SHLIB_LINK): Remove previous workaround.
1373 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1374 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1375 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
1377 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1378 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
1379 (SHLIB_INSTALL): Adjust accordingly.
1380 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1381 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1382 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1383 config/t-slibgcc-elf-ver.
1385 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
1386 Jakub Jelinek <jakub@redhat.com>
1388 PR tree-optimization/19828
1389 * tree-ssa-loop-im.c: Add a TODO comment.
1390 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1391 without side-effects.
1393 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1395 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1398 2005-02-18 James E. Wilson <wilson@specifixinc.com>
1400 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1401 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1402 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1404 (ia64_reorg): Delete fixup_errata call.
1405 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1406 (TARGET_SWITCHES): Delete -mb-step entry.
1408 2005-02-19 Jakub Jelinek <jakub@redhat.com>
1411 * c-typeck.c (composite_type): Handle quals in transparent unions.
1412 (type_lists_compatible_p): Likewise.
1414 2005-02-18 Stan Shebs <shebs@apple.com>
1416 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1417 expressions in the .literal8 section.
1419 2005-02-18 Geoffrey Keating <geoffk@apple.com>
1421 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1423 2005-02-18 Roger Sayle <roger@eyesopen.com>
1425 * fold-const.c (constant_boolean_node): Always create values of the
1426 specified type, don't bother calling truthvalue_conversion.
1428 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1430 * except.c (output_function_exception_table): Call
1431 assemble_external_libcall (eh_personality_libfunc).
1433 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1436 * config/ia64/ia64.h (struct machine_function): Add state_num.
1437 * config/ia64/ia64.c (process_epilogue,
1438 process_for_unwind_directive): Use new unwind state numbers each
1439 time rather than state 1.
1441 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
1444 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1445 before the "*llgt_didi" pattern.
1447 2005-02-18 Jason Merrill <jason@redhat.com>
1449 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1451 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
1453 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1454 (div0): Use it in place of ARM_FUNC_ALIAS.
1455 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1457 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1460 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1461 access, the lower bound of the array type if it exists.
1463 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
1466 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1467 cases that are out-of-range for the index type.
1469 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1471 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1472 (estimate_case_costs): Don't call convert.
1473 * expmed.c (expand_shift): Likewise.
1474 (make_tree): Call fold_convert instead of convert.
1476 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1479 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1480 that ref to be marked MEM_READONLY_P doesn't have base that needs
1483 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1485 * genautomata.c (output_get_cpu_unit_code_func,
1486 output_cpu_unit_reservation_p): Don't generate old-style function
1489 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1492 PR tree-optimization/20009
1493 * convert.c (convert_to_integer): Revert 2005-02-16 change.
1495 PR tree-optimization/18947
1496 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1497 inline, remove all nodes that are inlined into the extern inline
1500 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1502 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1503 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1504 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1505 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1508 2005-02-17 Roger Sayle <roger@eyesopen.com>
1510 PR tree-optimization/19917
1511 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1512 to be potentially trapping.
1514 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1516 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1518 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
1520 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1521 tem becomes a local variable which is set to the value of the
1522 back end defined INITIAL_FRAME_ADDRESS macro.
1523 (expand_builtin_frame_address): Omit the base parameter to
1524 expand_builtin_return_addr.
1525 (expand_builtin_profile_func): Likewise.
1526 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1527 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1528 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1530 2005-02-17 Jakub Jelinek <jakub@redhat.com>
1532 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1533 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1534 * config/frv/frv.c (frv_function_epilogue): Likewise.
1536 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
1538 * lambda-code (perfect_nestify): Remove mark/unmark
1540 * tree-loop-linear.c (linear_transform_loops): Add
1541 rewrite_into_ssa call so that ssa is correct for
1542 rewriting into loop closed.
1544 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
1546 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1547 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1549 * bt-load.c (btr_def_live_range, combine_btr_defs,
1550 migrate_btr_def, migrate_btr_defs): Likewise.
1551 * cfgcleanup.c (thread_jump): Likewise.
1552 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1553 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1554 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1555 df_rd_local_compute, df_reg_info_compute): Likewise.
1556 * dominance.c (init_dom_info, free_dom_info): Likewise.
1557 * flow.c (init_propagate_block_info,
1558 free_propagate_block_info): Likewise.
1559 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1560 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1561 modify_reg_pav): Likewise.
1562 * loop-invariant.c (find_defs, find_invariant_insn,
1563 find_invariants, free_inv_motion_data): Likewise.
1564 * predict.c (tree_predict_by_opcode,
1565 estimate_bb_frequencies): Likewise.
1566 * stmt.c (expand_case): Likewise.
1567 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1568 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1569 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1570 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1571 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1572 rewrite_ssa_into_ssa): Likewise.
1573 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1574 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1575 analyze_edges_for_bb, perform_edge_inserts): Likewise.
1576 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1577 * tree-sra.c (tree_sra): Likewise.
1578 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1579 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1580 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1581 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1582 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1583 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1585 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1586 calculate_live_on_entry, calculate_live_on_exit,
1587 build_tree_conflict_graph): Likewise.
1588 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1589 record_important_candidates, set_use_iv_cost, find_depends,
1590 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1591 tree_ssa_iv_optimize_finalize): Likewise.
1592 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1593 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1594 tree_duplicate_loop_to_header_edge): Likewise.
1595 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1596 * tree-ssa.c (verify_flow_insensitive_alias_info,
1597 verify_name_tags, verify_ssa, init_tree_ssa,
1598 delete_tree_ssa): Likewise.
1599 * tree-ssanames.c (marked_ssa_names, init_ssanames,
1600 fini_ssanames): Likewise.
1601 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1603 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
1605 * config/rs6000/t-rtems: Completely reworked.
1607 2005-02-17 Ira Rosen <irar@il.ibm.com>
1609 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1611 2005-02-17 Ira Rosen <irar@il.ibm.com>
1613 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1614 POINTER_TYPE_P when checking that type is a pointer.
1615 (vect_get_memtag): Remove.
1616 (vect_address_analysis): Use POINTER_TYPE_P. Call
1617 vect_object_analysis with dummy parameter for memtag.
1618 (vect_object_analysis): Extract memtag (functionality that
1619 used to be in vect_get_memtag and moved here). Fix printings.
1620 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1621 with correct parameters. Remove call to vect_get_memtag.
1623 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
1625 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1626 (tree-vectorizer.o): Added missing dependencies.
1628 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1630 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1631 declaration in tree-vectorizer.c, now has an extern declaration in
1633 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1634 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1635 get_vectype_for_scalar_type, vect_is_simple_use,
1636 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1637 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1638 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1639 vectorizable_store, vectorizable_operation, vectorizable_assignment,
1640 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1641 find_loop_location): Likewise.
1643 * tree-vectorizer.c (langhooks.h): #include removed.
1644 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1645 moved to tree-vectorized.h.
1646 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1647 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1648 get_vectype_for_scalar_type, vect_is_simple_use,
1649 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1650 vect_supportable_dr_alignment, new_loop_vec_info,
1651 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1652 vect_set_verbosity_level, find_loop_location): Likewise.
1654 (vect_analyze_loop): Function externalized. Declaration moved to
1655 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1656 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1657 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1658 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1659 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1660 vect_enhance_data_refs_alignment, vect_analyze_operations,
1661 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1662 vect_stmt_relevant_p, vect_get_loop_niters,
1663 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1664 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1665 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1666 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1667 vect_get_memtag): Likewise.
1669 (vectorizable_load): Function externalized. Declaration moved to
1670 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1671 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1672 vect_transform_loop): Likewise.
1673 (vect_transform_stmt): Moved to tree-vect-transform.c.
1674 (vect_align_data_ref, vect_create_destination_var,
1675 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1676 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1677 vect_get_vec_def_for_operand, vect_init_vector,
1678 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1679 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1680 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1681 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1682 vect_do_peeling_for_loop_bound): Likewise.
1684 * tree-vect-analyze.c: New file.
1685 * tree-vect-transform.c: New file.
1687 2005-02-17 Jason Merrill <jason@redhat.com>
1689 PR mudflap/19319, c++/19317
1690 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1693 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
1695 * doc/install.texi (Specific): Update link for Darwin-specific
1698 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
1700 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1701 constant_boolean_node.
1703 2005-02-16 David Edelsohn <edelsohn@gnu.org>
1706 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1707 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1709 2005-02-16 Richard Henderson <rth@redhat.com>
1712 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1714 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1715 replace uses with Wtype_MAXp1_F.
1716 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1717 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1718 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1719 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1720 and HAVE_TFMODE as appropriate.
1721 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1722 (__floatdisf): Likewise.
1723 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1724 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1725 (Wtype_MAXp1_F): New.
1726 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1727 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1729 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
1732 * arm.c (arm_apply_result_size): New function.
1733 * arm.h (APPLY_RESULT_SIZE): Define.
1734 * arm-protos.h (arm_apply_result_size): Add prototype.
1735 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1736 (movxf): New expand.
1737 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1738 (call_value_symbol): Remove predicate for operand 0.
1739 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1740 (untyped_call): Rework to correclty return values for any type.
1741 (untyped_return): New expand.
1742 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1744 2005-02-16 Stan Shebs <shebs@apple.com>
1746 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1747 * config/rs6000/t-darwin8: New, for 64-bit multilib.
1749 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1751 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1752 configure settings on Solaris 7 and later.
1754 2005-02-16 Diego Novillo <dnovillo@redhat.com>
1756 PR tree-optimization/19865
1757 * tree-optimize.c (init_tree_optimization_passes): Run
1758 pass_may_alias after pass_sra.
1760 2005-02-16 Richard Henderson <rth@redhat.com>
1761 Stuart Hastings <stuart@apple.com>
1764 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1765 Do nothing if debug info suppressed for this function.
1766 (dbxout_begin_function): Early exit if debug info suppressed for
1769 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
1772 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1774 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1776 PR tree-optimization/19967
1777 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1778 expand_builtin_strchr, expand_builtin_strrchr): Take a new
1779 argument TYPE. Adjust calls to fold_builtin_XXX.
1780 (expand_builtin, fold_builtin_1): Adjust calls to
1782 (fold_builtin_strchr, fold_builtin_strpbrk,
1783 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1784 result to a requested type TYPE.
1786 2005-02-16 Jakub Jelinek <jakub@redhat.com>
1789 * fold-const.c (fold): Don't optimize (T)(x & cst) to
1790 (T)x & (T)cst if (T)cst overflows.
1791 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1792 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1794 2005-02-15 Jeff Law <law@redhat.com>
1796 * gcse.c (blocks_with_calls): New bitmap.
1797 (alloc_gcse_mem): Allocate it.
1798 (free_gcse_mem): Free it.
1799 (clear_modifY_mem_tables): Clear it.
1800 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1801 when we encounter CALL_INSNs.
1802 (compute_transp, case MEM): Handle blocks with calls separate
1803 from blocks without calls. Use bitmap iterators rather than
1806 2005-02-15 Peter O'Gorman <peter@pogma.com>
1809 * mklibgcc.in (vis_hide): Use a temporary object file, not
1812 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
1815 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1816 access optimization.
1818 2005-02-15 David Edelsohn <edelsohn@gnu.org>
1819 Alan Modra <amodra@bigpond.net.au>
1822 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1823 (_xlqsub): Rename to __gcc_qsub.
1824 (_xlqmul): Rename to __gcc_qmul.
1825 (_xlqdiv): Rename to __gcc_qdiv.
1826 Provide versioned symbol aliases with old names.
1827 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1828 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1829 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1830 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1831 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1833 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1835 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
1836 Fold ~(A - 1) and ~(A + -1) to -A.
1838 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1842 * config/host-linux.c (linux_gt_pch_use_address): Copy from
1843 config/pa/pa-host.c:pa_gt_pch_use_address.
1845 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
1847 * tree-vn.c (get_value_handle): Make sure that given an
1848 is_gimple_min_invariant expression, we always return it.
1850 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1852 * passes.c (rest_of_handle_gcse): Fix a comment.
1854 2005-02-15 Jeff Law <law@redhat.com>
1856 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1858 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1859 (canon_list_insert, record_last_mem_set_info): Similarly.
1860 (clear_modify_mem_tables): Similarly.
1862 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1864 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1865 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1866 config/mips/mips.md, config/rs6000/aix.h,
1867 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1869 2005-02-15 Richard Henderson <rth@redhat.com>
1871 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1872 call to be best_edge.
1874 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1876 * basic-block.h: Adjust the prototype for find_basic_blocks.
1877 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1878 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1881 * flow.c (recompute_reg_usage): Remove all arguments.
1882 * passes.c (rest_of_compilation): Adjust the call to
1883 recompute_reg_usage.
1884 * rtl.h: Adjust the prototype for recompute_reg_usage.
1886 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
1888 * tree-dump.c (dump_files): Update to reflect new member
1890 (dump_register): Add new argument.
1892 (dump_switch_p_1): Check against glob name if doglob was passed.
1893 (dump_switch_p): Check against regular first, then glob if
1894 we didn't have any hits on the dump name.
1895 * tree-optimize.c (register_one_dump_file):
1896 Pass in glob name as well.
1897 * tree-pass.h (struct dump_file_info): Add glob
1900 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
1902 PR preprocessor/16323
1903 * doc/invoke.texi: Document that -Wendif-labels is on by default.
1905 2005-02-14 David Edelsohn <edelsohn@gnu.org>
1908 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1909 (trunctfdf2_internal1): New.
1910 (trunctfdf2_internal2): Renamed from trunctfdf2.
1912 2005-02-14 Diego Novillo <dnovillo@redhat.com>
1914 PR tree-optimization/19853
1915 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1917 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1919 * passes.c (rest_of_handle_loop_optimize): Remove calls to
1920 delete_dead_jumptables and cleanup_cfg.
1922 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
1924 * reload.c (find_reloads): Swap address_reloaded flags when
1925 swapping commutative operands.
1927 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
1929 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1930 Use standard_iv_increment_position for computing the bsi position
1932 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1935 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1938 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1939 life range of hard registers.
1940 * value-prof.c (insn_prefetch_values_to_profile): Only
1943 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1944 profile in libcalls.
1946 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
1948 * bitmap.h (bitmap_and_compl_into): Return bool.
1949 * bitmap.c (bitmap_and_compl_into): Return changed flag.
1951 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1953 PR tree-optimization/19944
1954 * fold-const.c (fold): Re-add ABS_EXPR folding.
1956 2005-02-13 David Edelsohn <edelsohn@gnu.org>
1959 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1960 {TARGET,MASK}_XL_COMPAT.
1961 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
1963 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1964 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1966 (rs6000_arg_partial_bytes): Same.
1967 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1968 and XL compatibility enabled.
1969 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1970 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1971 test to final condition.
1972 (cmptf_internal2): New.
1973 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1974 xl-compat. Add TFmode information to description.
1976 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
1978 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1980 2005-02-13 Jason Merrill <jason@redhat.com>
1983 * fold-const.c (fold_indirect_ref_1): Split out from...
1984 (build_fold_indirect_ref): Here.
1985 (fold_indirect_ref): New fn.
1986 * tree.h: Declare it.
1987 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1988 (gimplify_modify_expr_rhs): Likewise.
1989 (gimplify_expr): Likewise.
1991 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1993 PR tree-optimization/14303
1994 PR tree-optimization/15784
1995 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1996 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
1997 ABS_EXPR<x> != 0 to x != 0.
1999 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
2001 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2002 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
2003 spelling conventions.
2005 * passes.c (rest_of_handle_gcse): Don't run cse_main and
2006 delete_trivially_dead_insns too many times.
2008 * passes.c (rest_of_handle_gcse): Remove dead assignments to
2011 2005-02-12 Ira Rosen <irar@il.ibm.com>
2013 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2014 (vect_is_simple_iv_evolution): Remove redundant parameter
2016 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2017 without last parameter.
2018 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2019 Return pointer step. Call vect_is_simple_iv_evolution without
2020 last parameter. Check only that the step is multiple of size
2021 type. Remove stmt_vinfo updates.
2022 (vect_get_memtag_and_dr): Remove.
2023 (vect_get_memtag): New function.
2024 (vect_address_analysis): New function.
2025 (vect_object_analysis): New function.
2026 (vect_analyze_data_refs): Call vect_object_analysis and
2027 vect_get_memtag. Update stmt_vinfo fields.
2029 2005-02-12 Ira Rosen <irar@il.ibm.com>
2031 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2032 exist and are objects. Remove checks for pointer.
2033 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2034 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2035 (vect_create_data_ref_ptr): Likewise.
2036 (vect_base_addr_differ_p): New function.
2037 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2038 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2039 Don't set the DR_BASE_NAME field of data-ref.
2040 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2042 2005-02-12 Uros Bizjak <uros@kss-loka.si>
2044 * optabs.h (enum optab_index): Add new OTI_ldexp.
2045 (ldexp_optab): Define corresponding macro.
2046 * optabs.c (init_optabs): Initialize ldexp_optab.
2047 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2049 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2051 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2052 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2054 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2055 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2058 2005-02-12 Ira Rosen <irar@il.ibm.com>
2060 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2062 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2064 (vect_get_base_and_offset): Always return an address.
2065 (vect_create_addr_base_for_vector_ref): Remove treatment for
2066 different data reference types.
2067 (vect_compute_data_ref_alignment): Rename base to base_address in
2068 stmt_vec_info. Get the object in order to force its alignment.
2069 (vect_get_memtag_and_dr): Rename base to base_address in
2070 stmt_vec_info. Extract the object for memtag analysis.
2072 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
2074 PR regression/19898.
2075 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2076 changes cc_status, use apply modified_in_p to part of cc_status
2077 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2080 2005-02-11 Richard Henderson <rth@redhat.com>
2082 * tree-complex.c (expand_complex_libcall): New.
2083 (expand_complex_multiplication): Use it for c99 compliance.
2084 (expand_complex_division): Likewise.
2085 * fold-const.c (fold_complex_add, fold_complex_mult): New.
2087 * builtins.c (built_in_names): Remove const.
2088 * tree.c (build_common_builtin_nodes): Build complex arithmetic
2090 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2091 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2092 (built_in_names): Remove const.
2093 * c-common.c (c_common_type_for_mode): Handle complex modes.
2094 * flags.h, toplev.c (flag_complex_method): Rename from
2095 flag_complex_divide_method.
2096 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2097 __mulsc3, __muldc3, __mulxc3, __multc3): New.
2098 * libgcc2.h: Declare them.
2099 * libgcc-std.ver: Export them.
2100 * mklibgcc.in (lib2funcs): Build them.
2102 2005-02-11 Steven Bosscher <stevenb@suse.de>
2104 PR tree-optimization/19876
2105 Partially revert my change from 2005-01-14
2106 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2107 (compute_antic): ...and remove the loop here.
2109 2005-02-11 Jakub Jelinek <jakub@redhat.com>
2112 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2113 is number of inner's bits, avoid creating a BIT_FIELD_REF.
2115 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2116 crtend.o if -pie. Use %{x:a;:b} spec syntax.
2118 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
2120 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2121 offsets for the big-endian 32-bit case.
2123 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
2125 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2127 2005-02-11 Dale Johannesen <dalej@apple.com>
2129 * cselib.c (cselib_process_insn): Clear out regs where
2130 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2131 * reload.c (find_equiv_reg): Ditto.
2133 2005-02-11 Ian Lance Taylor <ian@airs.com>
2135 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2138 * tree.c (build_function_type_list): Work correctly if there are
2141 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
2143 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2144 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2145 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2146 TARGET_ZARCH instead of TARGET_64BIT.
2148 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
2150 * config/rs6000/t-rtems:
2151 (MULTILIB_OPTIONS): Remove mcpu=602.
2152 (MUTLILIB_DIRNAMES): Remove m602.
2153 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2154 Let mcpu=602 match mcpu=603.
2155 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2157 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2159 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2162 2005-02-10 David Daney <ddaney@avtrex.com>
2164 * config/alpha/linux-unwind.h: Add exception clause to copyright.
2165 * config/i386/linux-unwind.h: Likewise.
2166 * config/ia64/linux-unwind.h: Likewise.
2167 * config/mips/linux-unwind.h: Likewise.
2168 * config/pa/linux-unwind.h: Likewise.
2169 * config/rs6000/linux-unwind.h: Likewise.
2170 * config/s390/linux-unwind.h: Likewise.
2171 * config/sh/linux-unwind.h: Likewise.
2172 * config/sparc/linux-unwind.h: Likewise.
2174 2005-02-10 Steven Bosscher <stevenb@suse.de>
2176 PR tree-optimization/17549
2177 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2178 TER to replace a DEF with its expression if the DEF and the
2179 rhs of the expression we replace into have the same root
2182 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
2184 * config/mips/mips.md: Fix the placement of the match_scratch in the
2187 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2189 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2192 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2194 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2195 (strip_offset): Handle addresses.
2196 (add_address_candidates): Use strip_offset.
2197 (difference_cost): Reflect strip_offset change.
2198 (force_var_cost, difference_cost): Strip nops.
2200 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2202 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2204 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2205 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2206 config/cris/cris-protos.h, config/cris/cris.c: Update
2209 2005-02-10 Jeff Law <law@redhat.com>
2211 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2212 (lookup_avail_expr): Similarly.
2214 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
2216 * builtins.c (fold_builtin_powi): New function.
2217 (fold_builtin_1): Call it.
2219 2005-02-10 Steven Bosscher <stevenb@suse.de>
2221 PR documentation/19309
2222 * doc/cpp.texi: The __GNUC__ and related predefined macros
2223 are also defined for the "standalone" cpp.
2224 Some non-GCC compilers may also define __GNUC__.
2226 2005-02-10 Jakub Jelinek <jakub@redhat.com>
2229 * c-typeck.c (common_type): New routine. Old common_type renamed
2231 (c_common_type): ...this.
2232 (build_conditional_expr, build_binary_op): Use c_common_type instead
2235 2005-02-10 Steven Bosscher <stevenb@suse.de>
2237 * doc/md.texi: Replace @samp{length} with @code{length}.
2239 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2241 PR tree-optimization/18687
2242 * tree-flow.h (find_loop_niter): Declare.
2243 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2244 Try using scev even for loops with more than one exit.
2245 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2246 (struct ivopts_data): Added niters field.
2247 (struct nfe_cache_elt): New.
2248 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2250 (tree_ssa_iv_optimize_init): Initialize niters cache.
2251 (determine_number_of_iterations): Removed.
2252 (find_induction_variables): Do not call determine_number_of_iterations.
2253 Access niters for single exit through niter_for_single_dom_exit.
2254 (add_iv_outer_candidates): Access niters for single exit through
2255 niter_for_single_dom_exit.
2256 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
2257 number_of_iterations_cond.
2258 (iv_period): New function.
2259 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2260 (may_replace_final_value): Take data argument. Use
2261 niter_for_single_dom_exit.
2262 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2263 (rewrite_use_compare): Pass data to may_eliminate_iv.
2264 (rewrite_use_outer): Pass data to may_replace_final_value.
2265 (free_loop_data): Clean up the niters cache.
2266 (tree_ssa_iv_optimize_finalize): Free the niters cache.
2267 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2268 * tree-ssa-loop-niter.c (find_loop_niter): New function.
2269 (find_loop_niter_by_eval): Use tree_int_cst_lt.
2270 (num_ending_zeros): Moved to tree.c.
2271 * tree.h (num_ending_zeros): Declare.
2272 * tree.c (num_ending_zeros): Moved from tree.c.
2274 2005-02-09 Richard Henderson <rth@redhat.com>
2276 * builtins.c (DEF_BUILTIN): Add COND argument.
2277 * tree.h (DEF_BUILTIN): Likewise.
2278 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2279 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2281 (DEF_BUILTIN_STUB): New.
2282 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2283 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2284 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2285 * c-common.c (DEF_BUILTIN): Add COND argument.
2286 * tree.c (local_define_builtin): New.
2287 (build_common_builtin_nodes): New.
2289 2005-02-09 Roger Sayle <roger@eyesopen.com>
2291 * fold-const.c (fold_strip_sign_ops): New function to simplify a
2292 floating point expression ignoring the sign of the result.
2293 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2294 (fold) <MULT_EXPR>: Use it to simplify x*x.
2295 * tree.h (fold_strip_sign_ops): Prototype here.
2296 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2297 argument. Use fold_strip_sign_ops to simplify the first argument.
2298 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
2299 first argument when the second argument is an even integer
2300 constant, but only with -funsafe_math_optimizations.
2301 (fold_builtin_1): Update call to fold_builtin_copysign.
2303 2005-02-09 Ian Lance Taylor <ian@airs.com>
2306 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2307 just check whether EH_FILTER_FAILURE falls through.
2309 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
2311 * gcc/haifa-sched.c (schedule_block): Make queued sched group
2312 insns return to ready list in the next turn.
2314 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2317 * builtins.def: New __builtin_powi[lf].
2318 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2319 (expand_builtin_powi): New function.
2320 (expand_builtin): Dispatch to expand_builtin_powi.
2321 * libgcc2.h: Add prototypes for __builtin_powi[lf].
2322 * libgcc2.c: Add __builtin_powi[lf] implementation.
2323 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2324 * optabs.h: Add powi_optab.
2325 * optabs.c (init_optabs): Initialize powi_optab.
2326 * doc/extend.texi: Document __builtin_powi[lf].
2328 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
2330 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2333 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2336 * fold-const.c (try_move_mult_to_index): Remove redundant
2337 type argument. Create ADDR_EXPR with correct type.
2338 (fold): Update callers of try_move_mult_to_index. Convert
2339 result to the appropriate type.
2341 2005-02-09 Roger Sayle <roger@eyesopen.com>
2344 * config/avr/avr.c (default_rtx_costs): Delete.
2345 (avr_operand_rtx_cost): New function.
2346 (avr_rtx_costs): Completely rewrite.
2348 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
2351 * config/cris/cris.c (in_code): New variable.
2352 (cris_output_addr_const): Now a static function, a wrapper for
2354 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2355 case from old cris_output_addr_const.
2356 (cris_asm_output_label_ref): Similar for LABEL_REF.
2357 (cris_output_addr_const_extra): Similar for UNSPEC.
2358 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2359 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2360 * config/cris/cris-protos.h (cris_output_addr_const): Remove
2362 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2363 (cris_asm_output_label_ref): Declare.
2365 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
2367 PR preprocessor/19801
2368 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2369 filenames that changed when libcpp was moved to the toplevel.
2371 2005-02-07 Roger Sayle <roger@eyesopen.com>
2373 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2374 zero extensions of BImode operands. Call lowpart_subreg instead
2375 of gen_lowpart_common and gen_lowpart_SUBREG.
2377 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
2380 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2381 * configure.ac: Set cc_for_cross_gnattools.
2382 * configure: Regenerate.
2384 2005-02-08 Alan Modra <amodra@bigpond.net.au>
2387 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2389 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2392 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2393 of nested functions.
2395 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
2397 * doc/extend.texi: Document deprecated extensions allowing
2398 static floating-point members to have initializers and allowing
2399 floating-point literals in integral constant expressions.
2401 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
2403 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2404 config/darwin7.h, config/mips/mips.c,
2405 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2408 * cse.c: Update comments.
2410 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
2413 * builtins.c (fold_builtin_sqrt): Transform
2414 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2417 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
2418 Dorit Naishlos <dorit@il.ibm.com>
2420 * doc/invoke.texi (ftree-vectorizer-verbose): New.
2421 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2422 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2424 * tree.h (vect_set_verbosity_level): New extern function declaration
2426 * tree-vectorizer.h (verbosity_levels): New enum type.
2427 * tree-vectorizer.c (vect_debug_stats): Function removed.
2428 (vect_debug_details): Likewise.
2429 (vect_verbosity_level): Global variable was defined and initialized.
2430 (vect_dump): Global variable definition.
2431 (vect_print_dump_info): New function.
2432 (vect_set_dump_settings): New function.
2433 (vect_set_verbosity_level): New function.
2434 (vectorize_loops): Add call to vect_set_dump_settings.
2436 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2437 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2438 (slpeel_tree_peel_loop_to_edge): Likewise.
2440 (vect_analyze_offset_expr): Call to vect_print_dump_info with
2441 appropriate verbosity level instead of call to vect_debug_details
2442 or vect_debug_stats.
2443 (vect_get_base_and_offset):
2444 (vect_create_addr_base_for_vector_ref):
2445 (get_vectype_for_scalar_type):
2446 (vect_create_data_ref_ptr):
2448 (vect_get_vec_def_for_operand):
2449 (vect_finish_stmt_generation):
2450 (vectorizable_assignment):
2451 (vectorizable_operation):
2452 (vectorizable_store):
2453 (vectorizable_load):
2454 (vect_transform_stmt):
2455 (vect_update_ivs_after_vectorizer):
2456 (vect_do_peeling_for_loop_bound):
2457 (vect_update_inits_of_drs):
2458 (vect_do_peeling_for_alignment):
2459 (vect_transform_loop):
2460 (vect_is_simple_use):
2461 (vect_analyze_operations):
2462 (vect_is_simple_iv_evolution):
2463 (vect_analyze_scalar_cycles):
2464 (vect_analyze_data_ref_dependence):
2465 (vect_analyze_data_ref_dependences):
2466 (vect_compute_data_ref_alignment):
2467 (vect_enhance_data_refs_alignment):
2468 (vect_analyze_data_refs_alignment):
2469 (vect_analyze_data_ref_access):
2470 (vect_analyze_data_ref_accesses):
2471 (vect_analyze_pointer_ref_access):
2472 (vect_get_memtag_and_dr):
2473 (vect_analyze_data_refs):
2474 (vect_mark_relevant):
2475 (vect_stmt_relevant_p):
2476 (vect_mark_stmts_to_be_vectorized):
2477 (vect_can_advance_ivs_p):
2478 (vect_get_loop_niters):
2479 (vect_analyze_loop_form):
2480 (vect_analyze_loop):
2481 (vectorize_loops): Likewise.
2483 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2484 (vect_update_inits_of_drs):
2485 (vect_do_peeling_for_alignment):
2486 (vect_transform_loop):
2487 (vect_analyze_operations):
2488 (vect_analyze_scalar_cycles):
2489 (vect_analyze_data_ref_dependences):
2490 (vect_analyze_data_refs_alignment):
2491 (vect_analyze_data_ref_accesses):
2492 (vect_analyze_data_refs):
2493 (vect_mark_stmts_to_be_vectorized):
2494 (vect_get_loop_niters):
2495 (vect_analyze_loop_form):
2496 (vect_analyze_loop): Likewise.
2497 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2499 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
2503 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
2504 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2505 either -ffast-math or -funsafe-math-optimizations is in use.
2507 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
2508 * config/mips/irix-csr.c: New file.
2509 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2510 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2511 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2514 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
2516 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2517 redundant, incorrect definitions.
2519 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2521 ("*tls_indirect_call"): New, reference hard regs directly.
2522 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2524 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2526 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2527 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2529 2005-02-06 Roger Sayle <roger@eyesopen.com>
2531 PR rtl-optimization/19800
2532 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2533 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2536 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2538 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2540 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
2543 * doc/invoke.texi: Correct documentation of -freorder-functions.
2545 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2548 * doc/invoke.texi: Don't mention gccbug.
2550 2005-02-06 Roger Sayle <roger@eyesopen.com>
2551 Andrew Pinski <pinskia@physics.uc.edu>
2552 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
2554 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2555 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2556 into just (zero_extract:SI FOO (const_int 1) BAR).
2558 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2560 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
2561 macro locally. Don't give last revision date. Use GCC version
2562 number from gcc-common.texi.
2563 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
2564 revision date. Use GCC version number from gcc-common.texi.
2565 Describe being a library as current state rather than as 3.x
2567 * doc/gcc.texi: Remove last update date.
2568 * doc/gccint.texi: Likewise. Update copyright dates.
2569 * doc/install.texi: Update copyright dates.
2571 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2574 * doc/invoke.texi: Mention for each option included in -Wall that
2575 it is included in -Wall.
2576 * doc/gcc.texi: Update copyright and last modification date.
2578 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2580 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2581 unnecessary cast to original induction variable increments.
2583 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2585 PR tree-optimization/18219
2586 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2587 in distributed form.
2589 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
2591 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2592 Set bitpos and offset later in the function. Do nothing if the
2593 target is a register and if the bitfield lies completely outside
2595 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2596 here. Return an uninitialised register if the source value is stored
2597 in a register and the bitfield lies completely outside that register.
2599 2005-02-06 Steven Bosscher <stevenb@suse.de>
2601 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2604 2005-02-06 Marcin Dalecki <martin@dalecki.de>
2606 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2608 2005-02-06 Geoffrey Keating <geoffk@apple.com>
2610 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2611 * config/darwin8.h: New.
2612 * config/darwin7.h: Update comment.
2614 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2615 Dorit Naishlos <dorit@il.ibm.com>
2617 * tree-vectorizer.h (LOC): New type.
2618 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2619 (loop_line_number): New field in struct _loop_vec_info.
2620 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2622 * tree-vectorizer.c (input.h): Included.
2623 (find_loop_location): New function.
2624 (vect_debug_stats): Argument changed from loop to LOC. Computation of
2625 loop line number removed.
2626 (vect_debug_details): Likewise.
2627 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2629 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2630 call to vect_debug_details/stats changed from loop to loop_loc.
2631 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2632 (slpeel_tree_peel_loop_to_edge): Likewise.
2634 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2635 changed from NULL to UNKNOWN_LOC.
2636 (vect_get_base_and_offset):
2637 (vect_create_addr_base_for_vector_ref):
2638 (get_vectype_for_scalar_type):
2639 (vect_create_data_ref_ptr):
2641 (vect_get_vec_def_for_operand):
2642 (vect_finish_stmt_generation):
2643 (vectorizable_assignment):
2644 (vectorizable_operation):
2645 (vectorizable_store):
2646 (vectorizable_load):
2647 (vect_transform_stmt):
2648 (vect_update_ivs_after_vectorizer):
2649 (vect_do_peeling_for_loop_bound):
2650 (vect_do_peeling_for_alignment):
2651 (vect_transform_loop):
2652 (vect_is_simple_use):
2653 (vect_analyze_operations):
2654 (vect_is_simple_iv_evolution):
2655 (vect_analyze_scalar_cycles):
2656 (vect_analyze_data_ref_dependences):
2657 (vect_compute_data_ref_alignment):
2658 (vect_enhance_data_refs_alignment):
2659 (vect_analyze_data_ref_access):
2660 (vect_analyze_data_ref_accesses):
2661 (vect_analyze_pointer_ref_access):
2662 (vect_get_memtag_and_dr):
2663 (vect_analyze_data_refs):
2664 (vect_mark_relevant):
2665 (vect_stmt_relevant_p):
2666 (vect_mark_stmts_to_be_vectorized):
2667 (vect_can_advance_ivs_p):
2668 (vect_get_loop_niters):
2669 (vect_analyze_loop):
2670 (vectorize_loops): Likewise.
2672 (vectorizable_load): Argument in call to vect_debug_details/stats
2673 changed from loop to LOOP_LOC (loop_vinfo).
2674 (vect_transform_loop):
2675 (vect_analyze_operations):
2676 (vect_analyze_scalar_cycles):
2677 (vect_analyze_data_ref_dependence):
2678 (vect_enhance_data_refs_alignment):
2679 (vect_analyze_data_ref_accesses):
2680 (vect_analyze_pointer_ref_access):
2681 (vect_analyze_data_refs):
2682 (vect_analyze_loop): Likewise.
2684 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2685 changed from loop to loop_loc.
2687 (vect_enhance_data_refs_alignment): Removed unused variable loop.
2689 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2690 Dorit Naishlos <dorit@il.ibm.com>
2692 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2694 (vect_analyze_data_ref_dependences): Likewise.
2696 (vect_is_simple_use): Argument changed from loop structure to
2697 loop_vect_info structure.
2698 (vect_can_advance_ivs_p): Likewise.
2699 (vect_create_index_for_vector_ref): Likewise.
2700 (vect_update_ivs_after_vectorizer): Likewise.
2701 (new_stmt_vec_info): Likewise.
2703 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2704 changed from loop to loop_vinfo.
2705 (vect_create_data_ref_ptr): First argument in call to
2706 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2707 (vectorizable_assignment): Second argument in call to vect_is_simple_use
2708 was changed from loop to loop_vinfo.
2709 (vectorizable_operation): Likewise.
2710 (vectorizable_store): Likewise.
2711 (vect_mark_stmts_to_be_vectorized): Likewise.
2712 (vect_do_peeling_for_loop_bound): First argument in call to
2713 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2714 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2715 was changed from loop to loop_vinfo.
2716 (vect_analyze_data_ref_dependences): Third argument in call to
2717 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2719 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2720 (vect_create_data_ref_ptr): Likewise.
2721 (vect_init_vector): Likewise.
2722 (vect_get_vec_def_for_operand): Likewise.
2723 (vectorizable_assignment): Likewise.
2724 (vectorizable_operation): Likewise.
2725 (vectorizable_store): Likewise.
2726 (vectorizable_load): Likewise.
2727 (vect_update_ivs_after_vectorizer): Likewise.
2728 (vect_is_simple_use): Likewise.
2729 (vect_analyze_data_ref_dependence): Likewise.
2730 (vect_analyze_pointer_ref_access): Likewise.
2731 (vect_can_advance_ivs_p): Likewise.
2733 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2734 before _stmt_vec_info.
2735 (_stmt_vec_info): Loop field replaced by loop_vec_info.
2736 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2737 (new_stmt_vec_info): Argument changed from loop structure to
2738 loop_vect_info structure
2740 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2741 (vect_analyze_offset_expr): Avoid 80 columns overflow.
2742 (vect_create_addr_base_for_vector_ref): Likewise.
2743 (vect_analyze_pointer_ref_access): Likewise.
2745 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2748 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2749 phi flag if the phi is abnormal.
2751 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2754 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2755 information for the new statement.
2757 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2760 * gcc.c (main): Include the target in -v output.
2762 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
2764 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2765 Do not drop the extend if we'd have to add a paradoxical subreg
2766 later. Include optabs.h and insn-codes.h.
2767 * Makefile.in (combine.o): Depend on $(OPTABS_H).
2769 2005-02-02 Roger Sayle <roger@eyesopen.com>
2772 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2773 * fold-const.c (const_binop): Avoid constant folding floating
2774 point operations in modes that use composite representations.
2775 * simplify-rtx.c (simplify_binary_operation): Likewise.
2777 2005-02-02 Geoffrey Keating <geoffk@apple.com>
2779 * config/rs6000/altivec.md (altivec_dst): Make the first operand
2781 (altivec_dstt): Likewise.
2782 (altivec_dstst): Likewise.
2783 (altivec_dststt): Likewise.
2784 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2787 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2789 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2790 EXPR_LOCUS from orig_cond to the new cond_stmt.
2791 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2794 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2796 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2797 standard_iv_increment_position. Remove call to bsi_next
2798 (no need to bump the iterator anymore).
2799 (vect_create_index_for_vector_ref): Call
2800 standard_iv_increment_position. Remove second function argument.
2801 (vect_finish_stmt_generation): Remove call to bsi_next
2802 (no need to bump the iterator anymore).
2803 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2804 to vect_create_index_for_vector_ref.
2806 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2808 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2809 phis are used out of the loop.
2811 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2814 * c-decl.c (undef_nested_function): New variable.
2815 (pop_scope): Diagnose undefined nested functions.
2816 (finish_function): Don't attempt cgraph processing or genericizing
2817 if current top-level function contained an undefined nested
2818 function. Reset undef_nested_function at the end of a top-level
2821 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2823 * tree.c (build_int_cst_type): Take sign of the value into account
2824 when deciding whether sign extend the value.
2826 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2829 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2830 (cpp_options, cc1_options): Change %{std*&ansi} to
2831 %{std*&ansi&trigraphs}.
2833 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2835 * cse.c: Update comments.
2837 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
2839 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2840 arguments go on the stack. Do not put complex doubles in odd/even
2843 2005-02-02 Steven Bosscher <stevenb@suse.de>
2845 * doc/invoke.texi: Update the options enabled at -O1, -O2,
2846 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
2847 -ftree-pre, and -fthread-jumps.
2849 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
2851 PR tree-optimization/19578
2852 * tree-flow.h (modified_noreturn_calls): Declare.
2853 (noreturn_call_p): Declare.
2854 * tree-flow-inline.h (noreturn_call_p): New function.
2855 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2856 * tree-cfg.c (modified_noreturn_calls): New variable.
2857 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
2858 that contain a mid-block noreturn call.
2859 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2861 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2863 * df.c (df_def_record_1, df_uses_record): Don't use
2865 * df.h (DF_FOR_REGALLOC): Remove.
2867 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2870 * c-typeck.c (really_start_incremental_init): Reset
2871 constructor_max_index for arrays of incomplete type.
2873 2005-02-02 Jeff Law <law@redhat.com>
2875 * gcse.c (struct reg_set): Store the block index where the register
2876 was set rather than the setting insn.
2877 (record_one_set, compute_transp): Corresponding changes.
2878 (pre_insert_copy_insn): Do not call replace_one_set.
2879 (replace_one_set): Remove.
2881 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2884 * doc/gcov.texi: Fix typo.
2886 2005-02-01 Richard Henderson <rth@redhat.com
2889 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2890 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2892 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2893 * config/i386/i386-protos.h: Update.
2895 2005-02-01 Steven Bosscher <stevenb@suse.de>
2897 PR tree-optimization/19217
2898 * tree-cfg.c (verify_expr): Use the data field to see if TP was
2899 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
2900 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2901 that it is walking a PHI node.
2903 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
2905 * doc/extend.texi (Nested Functions): Update.
2907 2005-02-01 Richard Henderson <rth@redhat.com>
2910 * optabs.c (expand_copysign_absneg): Export.
2911 * optabs.h (expand_copysign_absneg): Declare.
2912 * config/rs6000/rs6000.md (copysigntf3): New.
2914 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2916 PR tree-optimization/19633
2917 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2918 * tree-ssa-alias.c (init_alias_info): Initialize.
2919 (merge_pointed_to_info): Set.
2920 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2921 (dump_points_to_info_for): Show value of pt_null.
2922 (struct count_ptr_d): Declare.
2923 (find_ptr_dereference): Remove.
2924 (ptr_is_dereferenced_by): Remove.
2925 (count_ptr_derefs): New local function.
2926 (count_uses_and_derefs): New local function.
2927 (compute_points_to_and_addr_escape): Call it. If the number
2928 of dereferences is greater than zero, mark the pointer as
2929 dereferenced. If there are fewer dereferences than uses of
2930 the pointer, the pointer's value escapes.
2932 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2934 PR tree-optimization/19670
2935 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2937 (verify_use): ... set it here, instead.
2939 2005-02-01 Janis Johnson <janis187@us.ibm.com>
2941 * doc/sourcebuild.texi (Test directives): Fix formatting.
2943 * doc/sourcebuild.texi (Test directives): Describe selector
2946 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
2948 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2949 specific 64-bit CPUs.
2951 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
2954 * arm.c (arm_eliminable_register): New function.
2955 (adjacent_mem_locations): Don't allow eliminable registers. Use
2956 HOST_WIDE_INT for address offsets.
2957 * arm-protos.h (arm_eliminable_register): Add prototype.
2959 2005-02-01 Steven Bosscher <stevenb@suse.de>
2961 PR optimization/15242
2962 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2963 * basic-block.h (duplicate_computed_gotos): Add prototype.
2964 * bb-reorder.c (duplicate_computed_gotos): New function to
2965 duplicate sufficiently small blocks ending in a computed jump.
2966 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2967 if not optimizing for size.
2968 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2969 never do tail merging for blocks ending in a computed jump.
2970 * doc/invoke.texi: Document the max-goto-duplication-insns param.
2972 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
2974 Patch from Richard Sandiford <rsandifo@redhat.com>
2975 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2976 from inheriting a subreg equivalence with a non-spill register.
2978 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2980 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
2982 * config/frv/frv.c (movcc_fp_destination_operand): New.
2983 (gpr_or_memory_operand): Fix typo in comment.
2984 (gpr_or_memory_operand_with_scratch): New.
2985 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2986 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2987 movcc_fp_destination_operand.
2988 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2989 Legitimize memory addresses using a scratch register.
2991 2005-01-31 Jeff Law <law@redhat.com>
2993 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2994 bitmap a sparse bitmap instead of a simple bitmap.
2995 (mark_def_sites_initialize_block): Corresponding changes.
2996 (ssa_mark_def_sites_initialize_block): Likewise.
2997 (ssa_mark_phi_uses): Likewise.
2998 (mark_def_site, ssa_mark_def_sites): Likewise.
2999 (mark_def_site_blocks): Likewise.
3000 (rewrite_ssa_into_ssa): Likewise.
3002 * tree-ssa-dom.c (record_cond): Pass correct variable type
3003 for last argument to htab_find_slot_with_hash.
3005 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3006 effects when optimizing 0 % X. Do not try to optimize X % 0.
3008 2005-01-31 James E. Wilson <wilson@specifixinc.com>
3010 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3013 2005-02-01 Eric Christopher <echristo@redhat.com>
3015 * config/mips/mips.c (override_options): Warn if -mint64
3017 * doc/invoke.texi (MIPS Options): Document that -mint64 is
3020 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
3022 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
3024 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3025 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3026 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3027 (cached_regno): Initialize to INVALID_REGNUM.
3028 (cse_reg_info_table_size,
3029 cse_reg_info_table_first_uninitialized,
3030 cse_reg_info_timestamp): New.
3031 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3033 (init_cse_reg_info, get_cse_reg_info_1): New.
3034 (get_cse_reg_info): Cache the last look-up.
3035 (new_basic_block): Update the code to clear mappings from
3036 registers to cse_reg_info entries.
3037 (cse_main): Call init_cse_reg_info.
3039 * cse.c (get_cse_reg_info): Update a comment.
3041 2005-01-31 Steven Bosscher <stevenb@suse.de>
3044 * c-decl.c (start_decl): Do not warn about arrays of elements with
3045 an incomplete type here.
3046 (grokdeclarator): Do it here by making a pedwarn an error.
3047 * c-typeck.c (push_init_level): If there were previous errors with
3048 the constructor type, do not warn about braces for initializers.
3049 (process_init_element): Likewise for excess initializer elements.
3051 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
3053 * cse.c (delete_trivially_dead_insn): Don't iterate.
3055 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3057 * config/rs6000/rs6000.md (copysignsf3): New expand.
3058 (copysigndf3): Likewise.
3060 2005-01-31 Steven Bosscher <stevenb@suse.de>
3062 * recog.c (constrain_operands): Only look for earlyclobber operand
3063 conflicts if an '&' constraint was seen.
3065 2005-01-31 Marc Espie <espie@openbsd.org>
3067 * config.gcc: Don't include embedded systems fragment, switches default
3068 debugging format to ELF.
3069 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3070 longer pick it up there.
3072 2005-01-31 Dale Johannesen <dalej@apple.com>
3074 * doc/extend.texi (nested functions): Fix linkage description.
3075 Clarify that static is not allowed.
3077 2005-01-31 Dale Johannesen <dalej@apple.com>
3079 * config/rs6000/darwin.md (movsf_low_di): Make work.
3080 (movdf_low_di): Make work.
3082 2005-01-31 Dale Johannesen <dalej@apple.com>
3084 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3085 Make work for 64 bit.
3087 2005-01-31 Roger Sayle <roger@eyesopen.com>
3088 Dale Johannesen <dalej@apple.com>
3091 * fold-const.c (fold_binary_op_with_conditional_arg):
3092 Make types match original operands, before STRIP_NOPS.
3094 2005-01-31 Alan Modra <amodra@bigpond.net.au>
3096 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3097 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
3098 (struct gcc_sigcontext): Delete. Merge contents to..
3099 (struct gcc_ucontext): ..here.
3100 (get_sigcontext): Delete.
3101 (get_regs): New function, like get_sigcontext but return regs ptr.
3102 64-bit version finds regs from r1 to support vdso.
3103 (ppc_linux_aux_vector): New function.
3104 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
3107 2005-01-31 Ira Rosen <irar@il.ibm.com>
3109 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3111 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3112 redundant fold. Fix misalignment for MINUS_EXPR.
3113 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3114 (vect_analyze_pointer_ref_access): Likewise.
3115 (vect_get_memtag_and_dr): Likewise.
3117 2005-01-31 Richard Henderson <rth@redhat.com>
3119 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3120 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3121 absnegdf2_i387, absnegxf2_i387): Likewise.
3123 2005-01-31 Richard Henderson <rth@redhat.com>
3126 * optabs.c (expand_copysign_absneg): New.
3127 (expand_copysign_bit): Split out from ...
3128 (expand_copysign): ... here. Use expand_copysign_absneg.
3130 2005-01-30 Roger Sayle <roger@eyesopen.com>
3133 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3134 constant as the second operand and a register as the third.
3136 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
3139 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
3140 that dllimport'd functions do not use all call-clobbered registers
3143 2005-01-30 Richard Henderson <rth@redhat.com>
3146 * optabs.c (expand_absneg_bit): Split out from expand_unop and
3147 expand_abs_nojump and generalize. Use operand_subword and
3148 emit_no_conflict_block. Support large modes.
3149 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
3151 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
3152 negation to subtraction.
3153 (expand_copysign): Check that the format has signed zeros.
3154 Use operand_subword and emit_no_conflict_block. Support large modes.
3156 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
3158 Fix PR tree-optimization/19624
3160 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3161 * tree-ssa-pre.c: Add cfgloop.h.
3163 (pre_stats): New member, constified.
3164 (inserted_exprs): New static variable.
3165 (NECESSARY): New macro.
3166 (create_expression_by_pieces): Fold the expression, and
3167 mark it as defaulting to not necessary. Also put in
3169 (fully_constant_expression): New function.
3170 (insert_into_preds_of_block): Modify to not insert phis when we
3171 are playing with induction variables.
3172 Push phis onto the inserted_exprs vector, and mark them as not
3173 necessary by default.
3174 (insert_aux): Call fully_constant_expression on eprime.
3175 If all edges produce the same value, mark it constant.
3176 (mark_operand_necessary): New function.
3177 (remove_dead_inserted_code): New function.
3178 (init_pre): Init loop optimizer to get loop info.
3179 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3180 (execute_pre): Commit edge inserts, then remove dead code.
3182 2005-01-30 Richard Henderson <rth@redhat.com>
3184 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3185 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3187 2005-01-30 Richard Henderson <rth@redhat.com>
3190 * config/i386/i386.c (ix86_expand_copysign): New.
3191 (ix86_split_copysign_const): New.
3192 (ix86_split_copysign_var): Rename from ix86_split_copysign,
3193 rearrange op1/nmask operands.
3194 * config/i386/i386-protos.h: Update.
3195 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3196 (copysigndf3): Likewise.
3197 (copysignsf3_const, copysigndf3_const): New.
3198 (copysignsf3_var): Rename from copysignsf3, split out splitter
3199 and fix split predicate for X constraint.
3200 (copysigndf3_var): Similarly.
3202 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
3204 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3205 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3206 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3208 2005-01-29 Richard Henderson <rth@redhat.com>
3211 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3212 of # and * in constraints.
3214 2005-01-29 Richard Henderson <rth@redhat.com>
3217 * expr.c (store_field): Don't strip sub-mode cast when the input
3218 data is even smaller.
3220 2005-01-29 Richard Henderson <rth@redhat.com>
3223 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3226 2005-01-29 Richard Henderson <rth@redhat.com>
3228 * combine.c (make_field_assignment): Fix argument order
3231 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
3233 PR tree-optimization/15791
3234 * fold-const.c (extract_array_ref): New function.
3235 (fold): Fold comparisons between &a[i] and &a[j] or
3236 semantically equivalent trees.
3238 2005-01-29 Jeff Law <law@redhat.com>
3240 * gcse.c (insert_expr_in_table): Revamp handling of available
3241 and anticipatable occurrence lists to avoid unnecessary list
3243 (insert_set_in_table): Similarly.
3245 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
3247 * c-common.c (fix_string_type): Just use c_build_qualified_type to
3249 (c_build_qualified_type): Build qualified array types with
3250 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3251 * c-decl.c (c_make_fname_decl): Build unqualified array type
3252 before qualified type.
3253 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3254 type is qualified, not just if type itself is. Don't apply
3255 qualifiers to array type when declarator is processed. Apply
3256 qualifiers to field type whether or not it is an array type.
3257 Don't handle array types specially for applying qualifiers to
3259 * c-typeck.c (composite_type): Build unqualified element type and
3260 array type when forming composite of array types.
3261 (common_pointer_type, comptypes, comp_target_types,
3262 type_lists_compatible_p, build_indirect_ref, build_array_ref,
3263 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3265 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3266 (args2) in variables a1 and a2.
3268 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
3270 * cse.c (n_elements_made, max_elements_made): Remove.
3271 (insert): Don't touch n_elements_made.
3272 (cse_main): Don't touch n_elements_made or max_elements_made.
3274 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
3277 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3278 configuration part of dp-bit.c to be lost.
3280 2005-01-28 Roger Sayle <roger@eyesopen.com>
3282 * expmed.c (expand_mult_highpart_optab): When attempting to use
3283 a non-widening multiplication in a wider mode, the operands need
3284 to be converted (zero or sign extended) to that mode.
3286 2005-01-28 Ian Lance Taylor <ian@airs.com>
3290 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3291 through if both operands fall through.
3293 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3295 * cse.c (fold_rtx) <PC>: Don't optimize.
3297 2005-01-28 Jeff Law <law@redhat.com>
3299 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3300 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3302 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3304 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3305 cse_reg_info_used_list_end): Remove.
3306 (cse_reg_info_list, cse_reg_info_list_free): New.
3307 (get_cse_reg_info): When allocating an instance of
3308 cse_reg_info, add it to the beginning of the cse_reg_info_list
3309 list. Remove code to maintain cse_reg_info_used_list.
3310 (new_basic_block): Reset the free list to the beginning of
3313 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
3315 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3316 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3317 (frv_expand_mdpackh_builtin): New function.
3318 (frv_expand_builtin): Use it to expand __MDPACKH.
3319 * doc/extend.texi (__MDPACKH): Update documentation.
3321 2005-01-28 Uros Bizjak <uros@kss-loka.si>
3323 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3324 SSE_FLOAT_MODE_P for use_sse computation.
3326 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
3329 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3331 2005-01-27 Richard Henderson <rth@redhat.com>
3333 * builtins.c (expand_builtin_copysign): New.
3334 (expand_builtin): Call it.
3335 * genopinit.c (optabs): Add copysign_optab.
3336 * optabs.c (init_optabs): Initialize it.
3337 (expand_copysign): New.
3338 * optabs.h (OTI_copysign, copysign_optab): New.
3339 (expand_copysign): Declare.
3341 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3342 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3344 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3345 (ix86_expand_fp_absneg_operator): ... here.
3346 (ix86_split_copysign): New.
3347 * config/i386/i386-protos.h: Update.
3348 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3349 (copysignsf3, copysigndf3): New.
3351 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3352 (copysignsf3, ncopysignsf3): New.
3353 (copysigndf3, ncopysigndf3): New.
3354 (copysignxf3, ncopysignxf3): New.
3355 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3357 2005-01-27 Arend Bayer <arend.bayer@web.de>
3358 Kazu Hirata <kazu@cs.umass.edu>
3360 * cse.c: (find_best_addr): Don't call copy_rtx before calling
3361 fold_rtx. Save cost recomputation if fold_rtx did nothing.
3362 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3365 2005-01-27 Jeff Law <law@redhat.com>
3367 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3368 definitions of SSA_NAMEs which are not being rewritten.
3369 (rewrite_ssa_into_ssa): Only initialize the current definition
3370 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3371 If checking is enabled, assert that SSA_NAME_AUX is clear for all
3372 SSA_NAMEs before returning.
3374 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
3376 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3377 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3378 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3379 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3380 config/mips/iris6.h, config/sh/sh.c: Update copyright.
3382 2005-01-27 Steven Bosscher <stevenb@suse.de>
3385 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3386 higher to -O2 and higher. Likewise for tree PRE.
3387 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3390 2005-01-27 Ian Lance Taylor <ian@airs.com>
3393 * gimple-low.c (try_catch_may_fallthru): New static function.
3394 (block_may_fallthru): Handle TRY_CATCH_EXPR.
3395 * tree-inline.c (expand_call_inline): Don't warn about reaching
3396 the end of a non-void function being inlined if the function uses
3399 2005-01-27 Jakub Jelinek <jakub@redhat.com>
3401 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3404 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3405 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3406 (implicitly_declare): Handle error_mark_node.
3408 2005-01-27 Richard Henderson <rth@redhat.com>
3411 * tree.h (struct tree_decl): Add debug_expr_is_from.
3412 (DECL_DEBUG_EXPR_IS_FROM): New.
3413 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3414 * dwarf2out.c (dwarf2out_var_location): Update to match.
3415 * tree-outof-ssa.c (create_temp): Likewise.
3416 * var-tracking.c (track_expr_p): Likewise.
3417 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3418 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3419 * toplev.c (default_tree_printer): Likewise.
3421 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
3423 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3424 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3426 2005-01-27 Steven Bosscher <stevenb@suse.de>
3428 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3429 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3430 ASM_CLOBBERS): Add tree checks.
3432 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3433 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3434 * c-common.def (SWITCH_STMT): Update to match.
3435 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3436 macros instead of SWITCH_EXPR ones.
3437 * c-dump.c (c_dump_tree): Likewise.
3438 * c-gimplify.c (gimplify_switch_stmt): Likewise.
3439 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3441 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3443 2005-01-27 Alan Modra <amodra@bigpond.net.au>
3445 * unwind-dw2.c (execute_stack_op): Add missing cases for
3446 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3448 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
3450 * config.gcc (Obsolete configurations): Remove 'dummy', add
3451 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3454 2005-01-26 Diego Novillo <dnovillo@redhat.com>
3456 PR tree-optimization/19633
3457 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3459 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3460 are no call-clobbered variables.
3461 * tree-outof-ssa.c (check_replaceable): Return false for calls
3464 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
3466 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3467 even for variables with NULL DECL_INITIAL.
3469 2005-01-26 Stuart Hastings <stuart@apple.com>
3471 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3473 2005-01-26 Richard Henderson <rth@redhat.com>
3476 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3478 * expr.c (store_field): Strip conversions to odd-bit-sized types
3479 if the destination field width matches.
3481 2005-01-26 Richard Henderson <rth@redhat.com>
3483 * c-decl.c, expmed.c, expr.c: Revert last change.
3485 2005-01-26 Richard Henderson <rth@redhat.com>
3488 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3490 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3491 if we don't need the bits above those present in the current mode.
3492 * expr.c (store_field): Strip conversions to odd-bit-sized types
3493 if the destination field width matches.
3495 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3497 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3498 either -ffast-math or -funsafe-math-optimizations is in use.
3500 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
3504 * config/avr/avr.c (notice_update_cc): Only set condition code for
3505 ashrqi3 if shift count > 0.
3506 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3507 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3508 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3509 count <= 0 as a no-op, and shift count >= width by copying zero
3510 or sign bit to all bits of the result.
3511 * config/avr/avr.md (all shifts): Add alternatives for zero shift
3512 count, with attribute "length" set to 0 and "cc" set to "none".
3514 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3516 * doc/invoke.texi: Document -mTLS.
3518 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3519 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3520 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3521 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3522 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3523 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3524 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3525 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3527 * configure.ac: Check for a TLS capable gas.
3529 * configure: Regenerate.
3531 2005-01-26 Richard Henderson <rth@redhat.com>
3534 * combine.c (make_field_assignment): Simplify store to zero_extract
3535 from a source with an overlapping mask.
3537 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3539 2004-11-11 Eric Christopher <echristo@redhat.com>
3541 * config/frv/frv.md: Add fr400_integer automaton. Don't
3542 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3545 2005-01-26 Steven Bosscher <stevenb@suse.de>
3548 * cfgbuild.c (make_edges): Do not clear or set
3549 current_function_has_computed_jump.
3550 * function.h (struct function): Remove the has_computed_jump field.
3551 (current_function_has_computed_jump): Do not define.
3552 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3553 in a computed jump. Ignore current_function_has_computed_jump.
3555 2005-01-26 Richard Henderson <rth@redhat.com>
3558 * expr.c (categorize_ctor_elements): New argument p_must_clear.
3559 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
3561 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3562 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
3563 objects into static storage if they have more than one non-zero value.
3564 * tree.h (categorize_ctor_elements): Update decl.
3566 2005-01-26 Steven Bosscher <stevenb@suse.de>
3569 * tree.h (CALL_EXPR_TAILCALL): Add comment.
3570 * calls.c (check_sibcall_argument_overlap_1): Revert the change
3571 to this function from 2004-07-10.
3572 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3573 the current function for tail call optimizations if the address
3574 of one of it its arguments is taken.
3576 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
3578 * cse.c (fold_rtx): Call equiv_constant only when necessary.
3580 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
3582 * function.c (expand_function_end): If current_function_calls_alloca,
3583 emit stack restore in a place that is reached when the function falls
3586 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
3588 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3589 rule to avoid matching inappropriate suffix rule.
3591 2005-01-26 Jan Hubicka <jh@suse.cz>
3593 PR tree-optimization/19241
3594 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3596 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3598 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3599 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
3601 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3602 <sim*>: Always use crt1.o, regardless of N in simN.
3603 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3604 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3605 (CRT_CALL_STATIC_FUNCTION): Remove.
3606 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3607 use crt1.o, regardless of N in simN.
3608 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3609 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3610 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3611 case isystem setting.
3612 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3614 2005-01-25 Ian Lance Taylor <ian@airs.com>
3616 * gimple-low.c (block_may_fallthru): Correct handling of
3617 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3619 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3621 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3622 handlers to match indentation; nested under the mtune=* handler.
3623 Similar for mcpu= and march=.
3625 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
3627 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3628 * config/mips/linux64.h (LIB_SPEC): Likewise.
3629 * config/mn10300/linux.h (LIB_SPEC): Likewise.
3630 * config/sh/linux.h (LIB_SPEC): Likewise.
3632 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
3634 * config/frv/frv.c (frv_legitimize_tls_address): New.
3635 (TARGET_HAVE_TLS): Define.
3636 (FRV_SYMBOL_REF_TLS_P): Define.
3637 (frv_override_options): Handle new register classes.
3638 (frv_legitimate_address_p): Reject tls addresses.
3639 (frv_legitimize_address): Handle TLS addresses.
3640 (gen_inlined_tls_plt): New.
3642 (frv_legitimize_tls_address): New.
3643 (unspec_got_name): Add TLS entries.
3644 (got12_operand): Add R_FRV_TLSMOFF12 case.
3645 (frv_emit_move): Fixup TLS addresses.
3646 (frv_emit_movsi): Legitimize TLS addresses.
3648 * config/frv/frv.h (MASK_BIG_TLS): New.
3649 (TARGET_BIG_TLS): New.
3650 (HAVE_AS_TLS): Define.
3651 (TARGET_SWITCHES): Add -mTLS and -mtls options.
3652 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3653 (REG_CLASS_NAMES): Same.
3654 (REG_CLASS_CONTENTS): Same.
3655 (CONSTRAINT_LEN): New.
3656 (REG_CLASS_FROM_CONSTRAINT): New.
3657 (PREDICATE_CODES): Add symbolic_operand.
3659 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3660 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3661 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3662 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3663 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3664 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3665 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3666 GR9_REG, GR14_REG, LRREG.
3667 (type): Add load_or_call attribute.
3668 ("load_or_call"): New reservation.
3669 ("call_gettlsoff"): New.
3670 ("tls_indirect_call"): New.
3671 ("tls_load_gottlsoff12"): New.
3672 ("tlsoff_hilo"): New.
3673 ("tls_tlsdesc_ldd"): New.
3674 ("tls_tlsoff_ld"): New.
3677 * config/frv/frv-protos.h (symbolic_operand): Protoize.
3679 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
3681 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3682 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3683 * config/frv/frv.c (TLS_BIAS): Define.
3684 (frv_output_dwarf_dtprel): New.
3686 2005-01-26 Jakub Jelinek <jakub@redhat.com>
3688 PR rtl-optimization/19579
3689 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3690 both A and B, see if they don't clobber registers the other expr uses.
3692 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
3694 * real.c (do_add): Initialize signalling and canonical members.
3696 * real.c (real_from_integer): Zero out destination.
3698 2005-01-18 Jan Hubicka <jh@suse.cz>
3700 PR tree-optimize/19337
3701 * tree-inline.c (initialize_inlined_parameters): Copy
3702 saved_static_chain_decl only.
3704 2005-01-25 Richard Henderson <rth@redhat.com>
3708 * config/i386/i386.c (x86_inter_unit_moves): Zero.
3709 (ix86_preferred_reload_class): Rewrite fp-constant section, with
3710 80387 enabled, to return a proper subclass. Return the subset that
3711 overlaps with GENERAL_REGS for PLUS.
3712 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3714 2005-01-25 Richard Henderson <rth@redhat.com>
3717 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3719 2005-01-25 Roger Sayle <roger@eyesopen.com>
3721 * expmed.c (choose_multiplier): Change interface to return the
3722 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3723 (expand_divmod): Update calls to choose_multiplier.
3725 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3728 * expmed.c (extract_bit_field): Use adjust_address instead of
3729 gen_lowpart when op0 is a MEM.
3731 2005-01-24 Steven Bosscher <stevenb@suse.de>
3733 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3735 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3737 * config/mips/irix-csr.c: New file.
3738 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3739 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3740 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3743 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
3746 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3747 sparc/elf.h, add sparc/sp-elf.h.
3748 (sparc-*-rtems*): Likewise.
3749 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3750 tm-dwarf2.h, add sparc/sp-elf.h.
3751 (sparc86x-*-elf): Likewise.
3752 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3753 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3754 TARGET_OS_CPP_BUILTINS.
3755 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3756 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3758 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3759 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3760 (SWITCH_TAKES_ARG): Likewise.
3761 (LOCAL_LABEL_PREFIX): Likewise.
3762 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3763 (TARGET_N_FORMAT_TYPES): Delete.
3764 (TARGET_FORMAT_TYPES): Likewise.
3765 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3766 * config/sparc/elf.h: Delete.
3767 * config/sparc/sp-elf.h: New file.
3769 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3771 * tree-flow-inline.h (phi_arg_from_edge): Remove.
3772 * tree-flow.h: Remove the corresponding prototype.
3773 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3774 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3776 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3779 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3780 for AIX ABI or ELF -fPIC.
3781 (rs6000_emit_load_toc_table): Don't create toc_section here.
3782 (rs6000_xcoff_file_start): Nor here.
3784 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
3786 * sh.c (ra.h): Don't #include.
3787 (hard_regs_intersect_p): New function, resurrected from ra.c.
3789 * sh.c: Fix 1996 Copyright.
3791 2005-01-24 Richard Henderson <rth@redhat.com>
3792 Aldy Hernandez <aldyh@redhat.com>
3794 * regrename.c (note_sets): Handle subregs.
3796 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
3799 * genconditions.c (write_header, write_conditions): Elide file if
3802 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3804 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3805 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3808 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3810 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3811 expand_builtin_printf, expand_builtin_fprintf,
3812 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3813 checking against POINTER_TYPE.
3814 (validate_arglist): Handle POINTER_TYPE code by checking
3817 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
3819 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3821 (for_each_rtx): Call for_each_rtx_1.
3822 * rtl.h (init_rtlanal): Declare.
3823 * toplev.c (backend_init): Call init_rtlanal.
3825 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3827 * flow.c (propagate_one_insn): Formatting.
3830 * flow.c (libcall_dead_p): Be more conservative if unsure.
3831 If there are any instructions between insn and call, see if they are
3832 all dead before saying the libcall is dead.
3834 2005-01-24 Uros Bizjak <uros@kss-loka.si>
3836 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3837 operand constraint for operand 0.
3839 2005-01-23 Richard Henderson <rth@redhat.com>
3842 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3843 edges leading to join block.
3845 2005-01-23 Roger Sayle <roger@eyesopen.com>
3847 * expmed.c (expand_mult_highpart): Make static. Change type of
3848 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3849 (expand_divmod): Updates calls to expand_mult_highpart by using
3850 gen_int_mode to pass a CONST_INT rtx.
3851 * rtl.h (expand_mult_highpart): Remove prototype.
3853 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3855 * flow.c (regset_bytes, regset_size): Remove.
3857 * cfganal.c: Fix a reference to Harvey's paper.
3859 2005-01-23 Steven Bosscher <stevenb@suse.de>
3861 PR rtl-optimization/19464
3862 * tree-optimize.c (init_tree_optimization_passes): Add one more
3863 copyrename pass just before out-of-ssa.
3865 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
3868 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3869 * ggc-none.c (ggc_free): Define.
3871 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3873 * cse.c (max_reg, max_insn_uid): Remove.
3874 (cse_main): Don't access max_reg or max_insn_uid.
3876 * c-common.c (explicit_flag_signed_bitfields,
3877 lang_statement_code_p, lang_expand_function_end): Remove.
3878 * c-common.h: Remove the corresponding declarations.
3879 * c-opts.c (c_common_handle_option): Remove all write access
3880 to explicit_flag_signed_bitfields.
3882 * cgraph.c (cgraph_varpool_n_nodes): Remove.
3883 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3884 * cgraph.h: Remove the corresponding declaration.
3886 * gcse.c (null_pointer_info): Remove.
3888 2005-01-23 Roger Sayle <roger@eyesopen.com>
3889 Eric Botcazou <ebotcazou@libertysurf.fr>
3891 * combine.c (simplify_logical): Only simplify logical expressions
3892 of the form ior(and(x,y),z) by the inverse distributive law if the
3893 result is cheaper than the original.
3895 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3897 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3898 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3899 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3900 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3901 config/freebsd-spec.h, config/arm/arm.h,
3902 config/h8300/h8300.md, config/i386/i386.md,
3903 config/i386/predicates.md, config/i386/sse.md,
3904 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3905 config/vax/vax.md: Fix comment typos. Follow spelling
3908 2005-01-23 Steven Bosscher <stevenb@suse.de>
3910 * gengtype.c (walk_type): Produce `not equal to' compares for loop
3911 tests, instead of `less than'.
3913 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
3915 * function.c (assign_parm_setup_block): When creating a new stack slot
3916 for a parameter, get its alignment from the parameter's DECL_ALIGN
3917 rather than the type's TYPE_ALIGN. Make sure that the parameter
3918 is at least word aligned.
3920 2005-01-22 Roger Sayle <roger@eyesopen.com>
3923 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3925 2005-01-22 Richard Henderson <rth@redhat.com>
3928 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3929 in both compare operands.
3930 (movdfcc_1_sse_max): Likewise.
3931 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
3932 (movdfcc_1_sse): Likewise.
3933 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3934 scratch register as needed.
3936 2005-01-22 Richard Henderson <rth@redhat.com>
3938 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3940 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3942 2005-01-22 Richard Henderson <rth@redhat.com>
3944 * genopinit.c (optabs): Use smin/smax for floating point too.
3945 * doc/md.texi: Update to match. Clarify that floating point
3946 results are undefined for +0/-0 and NaN.
3947 * doc/rtl.texi: Likewise.
3948 * rtl.def (SMIN, SMAX): Likewise
3949 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3951 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3952 leading 's' to the name.
3953 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3954 smaxxf3, sminxf3): Likewise.
3955 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3958 2005-01-22 Paul Brook <paul@codesourcery.com>
3960 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3962 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
3964 * config/s390/s390.c (struct processor_costs): New fields
3965 dlgr, dlr, dr, dsgfr, dsgr.
3966 (z900_cost, z990_cost): Values for new fields.
3967 (s390_rtx_costs): New cases MEM und COMPARE in switch
3968 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3969 DIV, MOD, UDIV, UMOD.
3971 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3973 * config/s390/s390.md ("doloop_si64"): Reload input value directly
3974 into the register being decremented.
3975 ("doloop_si31", "doloop_di"): Likewise.
3976 ("*doloop_si_long"): Adapt pattern.
3978 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3980 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3982 (CLASS_MAX_NREGS): Likewise.
3984 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
3986 * doc/tree-ssa.texi (Statement Operands): Add example for new
3987 must-def macro. Note deprecation of old operands interface.
3989 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
3991 PR tree-optimization/19484
3992 * tree-cfg.c (remove_fallthru_edge): New function.
3993 (cleanup_control_flow): Remove fallthru edges from calls that are
3994 now known not to return.
3996 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
3998 Fix PR tree-optimization/19038
3999 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4000 copies with loop variant ones.
4002 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
4004 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4005 config/alpha/alpha-protos.h, config/alpha/alpha.h,
4006 config/alpha/alpha.md, config/alpha/predicates.md,
4007 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4008 config/sparc/sol2.h: Update copyright.
4010 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4011 first label to see if it is a nonlocal label.
4013 2005-01-22 David Edelsohn <edelsohn@gnu.org>
4014 Andrew Pinski <pinskia@physics.uc.edu>
4017 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4018 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
4020 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4022 * config/rs6000/rtems.h: Update copyright.
4024 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4027 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4028 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4029 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4031 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4034 * c-typeck.c (convert_arguments): Check for error_mark_node.
4036 2005-01-21 Ian Lance Taylor <ian@airs.com>
4038 PR tree-optimization/13000
4039 * tree-inline.c: Include "tree-flow.h".
4040 (expand_call_inline): If warn_return_type, warn if non-void inline
4041 function falls through.
4042 * tree-cfg.c (execute_warn_function_return): Don't warn about
4043 control reaching end if TREE_NO_WARNING is set. Set
4045 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4047 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4048 branch if we don't need one.
4049 * c-typeck.c: Include "tree-flow.h"
4050 (c_finish_bc_stmt): Don't add a goto if the current statement
4051 list doesn't fall through to the current point.
4053 2005-01-21 Roger Sayle <roger@eyesopen.com>
4055 PR rtl-optimization/576
4056 * real.c (real_arithmetic): Change return type from void to bool
4057 to return an indication that the result may be inexact.
4058 * real.h (real_arithmeric): Update prototype.
4059 * fold-const.c (const_binop): Don't constant fold floating
4060 point expressions when the user specifies -frounding-math and
4061 the result may depend upon the run-time rounding mode.
4062 (fold_convert_const_real_from_real): Clean-up.
4063 (fold_initializer): Ignore flag_rounding_math for initializers.
4064 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4065 constant fold FP operations with flag_rounding_math if the
4066 result may depend upon the run-time rounding mode.
4068 2005-01-21 Tom Tromey <tromey@redhat.com>
4070 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4072 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
4074 * tree-cfg.c: Fix comment typos.
4076 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
4078 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4079 around the call to rest_of_handle_branch_target_load_optimize.
4081 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4083 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4084 (sparc64-*-openbsd*): Likewise.
4085 (sparclite-*-elf*): Include tm-dwarf2.h.
4086 (sparc86x-*-elf*): Likewise.
4087 (sparc64-*-elf*): Likewise.
4088 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4089 (DBX_DEBUGGING_INFO): Likewise.
4090 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4091 (PREFERRED_DEBUGGING_TYPE): Likewise.
4092 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4093 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4094 (PREFERRED_DEBUGGING_TYPE): Likewise.
4095 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4096 (PREFERRED_DEBUGGING_TYPE): Likewise.
4097 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4099 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
4102 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4104 2005-01-20 Paul Brook <paul@codesourcery.com>
4106 * doc/rtl.texi: Document value extension requirements for CONST_INT.
4108 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4110 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4111 label is first in a sequence of labels.
4113 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4115 2005-01-20 Janis Johnson <janis187@us.ibm.com>
4116 Giovanni Bajo <giovannibajo@gcc.gnu.org>
4118 * doc/sourcebuild.texi (Test Directives): New.
4120 2005-01-20 Roger Sayle <roger@eyesopen.com>
4122 * real.c (real_floor): Don't leave the result uninitialized when
4123 mode is VOIDMode, but return the unrounded intermediate value.
4124 (real_ceil): Likewise.
4126 2005-01-20 Paul Brook <paul@codesourcery.com>
4128 * config/arm/arm.md (insv): Use gen_int_mode.
4130 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4132 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4133 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4134 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4135 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4136 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4138 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
4141 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4142 fbreg, so we have to assume we can't.
4143 (loc_descriptor_from_tree_1): Ditto.
4144 (containing_function_has_frame_base): New function.
4145 (add_location_or_const_value_attribute): Use it.
4146 Also try to generate a frame_base from a single element location
4149 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4151 PR tree-optimization/15349
4152 * timevar.def (TV_TREE_MERGE_PHI): New.
4153 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4155 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4156 calls to tree_forwarder_block_p.
4157 (remove_forwarder_block_with_phi, merge_phi_nodes,
4158 gate_merge_phi, pass_merge_phi): New.
4159 * tree-optimize.c (init_tree_optimization_passes): Add
4161 * tree-pass.h: Add an extern for pass_merge_phi;
4163 2005-01-20 Richard Henderson <rth@redhat.com>
4166 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4167 (_mm_castps_pd, _mm_castps_si128): New.
4168 (_mm_castsi128_ps, _mm_castsi128_pd): New.
4170 2005-01-20 Richard Henderson <rth@redhat.com>
4173 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4174 __builtin_ia32_vec_init_v2si.
4175 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4176 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4177 (ix86_init_mmx_sse_builtins): Create it.
4178 (ix86_expand_builtin): Expand it.
4179 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4180 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4181 (vec_extractv2si_0, vec_extractv2si_1): New.
4183 2005-01-20 Richard Henderson <rth@redhat.com>
4186 * config/i386/i386.c (ix86_expand_push): New.
4187 * config/i386/mmx.md (push<MMXMODE>1): New.
4188 * config/i386/sse.md (push<SSEMODE>1): New.
4189 * config/i386/i386-protos.h: Update.
4191 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4193 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4196 2005-01-20 Richard Henderson <rth@redhat.com>
4198 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4199 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4201 2005-01-19 Richard Henderson <rth@redhat.com>
4204 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4205 to V4SFmode in SSE1 fallback load path.
4207 2005-01-19 Richard Henderson <rth@redhat.com>
4209 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4210 in QImode expansion to ix86_expand_vector_set.
4211 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4213 2005-01-19 Richard Henderson <rth@redhat.com>
4216 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4217 subclass of the input class.
4218 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4219 Always true for cross-SSE1 classes. Rationalize conditionals.
4220 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4221 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
4222 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
4223 (movdi_2): Add MMX/SSE zeros.
4224 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
4225 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4226 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4227 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4228 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4229 (zero_extendsidi2_rex64_1): Remove.
4230 (MOV0 peephole): Check GENERAL_REG_P.
4232 2005-01-19 Richard Henderson <rth@redhat.com>
4235 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4237 (ix86_expand_vector_extract): Likewise.
4239 2005-01-19 Richard Henderson <rth@redhat.com>
4242 * expr.c (emit_move_change_mode): New argument force; use
4243 simplify_gen_subreg if true.
4244 (emit_move_via_alt_mode): Merge into ...
4245 (emit_move_via_integer): ... here.
4246 (emit_move_ccmode): Use emit_move_change_mode directly.
4248 2005-01-19 Richard Henderson <rth@redhat.com>
4251 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4252 (alpha_preferred_reload_class): Handle CONST_VECTOR.
4253 (alpha_emit_set_const_1): Add no_output parameter; don't emit
4255 (alpha_emit_set_const): Likewise. Make static.
4256 (alpha_emit_set_long_const): Make static.
4257 (alpha_extract_integer): Split out from alpha_expand_mov.
4258 (alpha_split_const_mov): Likewise.
4259 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
4260 (alpha_legitimate_constant_p): New.
4261 * config/alpha/alpha-protos.h: Update.
4262 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4263 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4264 * config/alpha/alpha.md (movsi): Add n alternative.
4265 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4266 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4267 (splitters for all of the above): Use alpha_split_const_mov.
4268 * config/alpha/predicates.md (non_add_const_operand): New.
4269 (non_zero_const_operand): New.
4270 (input_operand): Use alpha_legitimate_constant_p after reload.
4272 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4274 PR tree-optimization/19038
4275 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4276 (add_candidate): Add ivs with increment in latch only if
4277 allow_ip_end_pos_p is true.
4278 (determine_iv_cost): Use empty_block_p.
4280 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
4282 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4283 (compute_dominance_frontiers): Ditto.
4285 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
4288 * config/sh/t-rtems: New.
4289 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4291 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4293 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4294 the offset of the selected field.
4296 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
4298 * tree-cfg.c (remove_forwarder_block): Fix the check to
4299 prevent a nonlocal label from appearing in the middle of a
4302 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
4304 PR rtl-optimization/19462
4305 * reorg.c (find_end_label): Create return insn only if
4306 current_function_epilogue_delay_list is empty.
4308 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
4310 * doc/passes.texi: Remove paragraph mentioning new-ra.
4312 2005-01-19 Jakub Jelinek <jakub@redhat.com>
4314 PR rtl-optimization/15139
4315 * combine.c: Include params.h.
4316 (count_rtxs): New function.
4317 (record_value_for_reg): If replace_rtx would replace at least
4318 2 occurrences of REG in VALUE and TEM is really large, replace REG with
4319 (clobber (const_int 0)) instead of TEM.
4320 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4321 * params.h (MAX_LAST_VALUE_RTL): New.
4322 * Makefile.in (combine.o): Depend on $(PARAMS_H).
4323 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4326 * c-typeck.c (digest_init): Only call build_vector if all constructor
4327 elements are *_CST nodes.
4328 * gimplify.c (gimplify_init_constructor): Likewise.
4331 * c-typeck.c (digest_init): Only call build_vector if inside_init
4334 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
4336 * toplev.c (init_asm_output): Remove dead #ifdef.
4338 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
4340 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4342 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4344 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4345 accessing DECL_FUNCTION_CODE.
4346 * dojump.c (do_jump): Likewise.
4347 * gimplify.c (gimplify_call_expr): Likewise.
4348 * predict.c (expr_expected_value): Likewise.
4349 (strip_builtin_expect): Likewise.
4350 * tree-inline.c (estimate_num_insns_1): Likewise.
4351 * tree-ssa-loop-im.c (stmt_cost): Likewise
4352 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4353 (tree_expr_nonnegative_p): Likewise.
4355 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4357 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4358 variant of the load_pcrel_sym pattern.
4359 * config/sparc/sparc.md (P macro): Move to the top.
4360 (load_pcrel_sym): Macroize using P.
4361 (save_register_window): Likewise.
4363 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
4365 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4368 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4371 * c-typeck.c (build_asm_expr): Strip nops off
4372 input memory operands.
4374 2005-01-18 David Edelsohn <edelsohn@gnu.org>
4376 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4377 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4378 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4379 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4381 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
4384 * config/i386/i386.c (override_options): If the 80387 is disabled,
4385 then do not return FP values using FP registers.
4387 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
4389 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4390 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4391 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4392 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4393 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4394 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4395 output.h, postreload-gcse.c, postreload.c, recog.c,
4396 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4397 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4398 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4399 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4400 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4401 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4402 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4403 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4405 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4406 config/alpha/alpha.c, config/arm/vfp.md,
4407 config/i386/emmintrin.h, config/i386/i386-modes.def,
4408 config/i386/i386-protos.h, config/i386/i386.h,
4409 config/i386/pmmintrin.h, config/i386/ppro.md,
4410 config/i386/predicates.md, config/i386/xmmintrin.h,
4411 config/i860/i860.c, config/ia64/ia64-modes.def,
4412 config/ia64/ia64-protos.h, config/ia64/ia64.h,
4413 config/ia64/ia64.md, config/ia64/itanium1.md,
4414 config/ia64/itanium2.md, config/ia64/predicates.md,
4415 config/iq2000/iq2000.h, config/mips/linux64.h,
4416 config/rs6000/aix41.h, config/rs6000/aix43.h,
4417 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4418 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4419 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4420 config/sparc/linux64.h, config/sparc/litecoff.h,
4421 config/sparc/sp64-elf.h, config/sparc/sparc.c,
4422 config/sparc/sparc.h, config/sparc/sparc.md,
4423 config/sparc/sysv4-only.h: Update copyright.
4425 2005-01-18 Richard Henderson <rth@redhat.com>
4428 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4430 2005-01-18 Marc Espie <espie@openbsd.org>
4431 * config/i386/openbsdelf.h: Typo.
4433 2005-01-18 Richard Henderson <rth@redhat.com>
4435 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4436 special case for sse.
4437 * config/i386/predicates.md (sse_comparison_operator): Likewise.
4439 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
4441 * tree-inline.c (estimate_num_insns_1): Added cases for
4442 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4444 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4446 PR rtl-optimization/19296
4447 * combine.c (simplify_comparison): Rewrite the condition under
4448 which a non-paradoxical SUBREG of a PLUS can be lifted when
4449 compared against a constant.
4451 2005-01-18 Andi Kleen <ak@muc.de>
4453 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4454 * c.opt (-Wpointer-sign): Add.
4455 * doc/invoke.texi: (-Wpointer-sign): Add.
4457 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4459 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4460 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4461 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4462 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4463 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4464 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
4465 for TARGET_MIX_SSE_I387.
4466 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4467 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4468 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4469 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4470 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4471 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
4472 TARGET_MIX_SSE_I387.
4473 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4476 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4479 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4480 Add movaps alternative for xmm reg->reg move.
4482 2005-01-17 Jeff Law <law@redhat.com>
4484 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4485 at the end of the main DOM loop rather than just before DOM exits.
4487 2005-01-17 Diego Novillo <dnovillo@redhat.com>
4489 PR tree-optimization/19121
4490 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4491 adding aliases to a name tag, also add them to the pointer's
4493 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4494 sensitive alias info at all. Only check that the two pointers
4495 have compatible pointed-to sets.
4496 * tree-ssa.c (verify_name_tags): Verify that the alias set of
4497 a pointer's type tag is a superset of the alias set of the
4500 2005-01-17 James E Wilson <wilson@specifixinc.com>
4503 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
4504 comment to document why.
4506 2005-01-17 Richard Henderson <rth@redhat.com>
4508 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4509 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4510 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4511 sse2_vmsminv2df3_finite): New.
4512 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4513 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4514 Force op1 into register.
4516 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
4518 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4519 bubblestrap from always rebuilding build directory.
4521 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
4523 * config/s390/s390.md ("*clc"): Remove incorrect '='.
4524 ("*cmpmem_short"): Likewise.
4526 2005-01-17 Steven Bosscher <stevenb@suse.de>
4528 * basic-block.h: Document BB_* flags.
4529 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4530 use an sbitmap instead.
4531 * sched-rgn.c (compute_trg_info): Likewise.
4533 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
4535 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
4536 redundant target_cpu_default and extra_parts lines. Use the default
4538 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4539 (SUBTARGET_EXTRA_SPECS): Delete.
4540 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
4541 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4542 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4543 and "n32" for -mabi=n32.
4545 2005-01-17 Ian Lance Taylor <ian@airs.com>
4548 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4549 fold constant variables into initial values.
4551 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4553 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4555 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4556 through the statements backward.
4558 2005-01-17 Ian Lance Taylor <ian@airs.com>
4560 PR middle-end/13127:
4561 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4562 a variable set to the return value of the inlined function.
4564 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
4566 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4567 when modes are tieable.
4569 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
4571 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4572 of pthread_create to find out if threads are enabled.
4573 * gthr-posix95.h (__gthread_active_p): Likewise.
4575 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4577 * common.opt (-fnew-ra): Remove.
4579 * toplev.h (flag_new_regalloc): Remove.
4580 * Makefile.in (ra*.*): Don't mention.
4581 * passes.c (rest_of_handle_new_regalloc): Remove.
4582 (rest_of_handle_combine, rest_of_compilation): Always consider
4583 flag_new_regalloc as false.
4584 * doc/invoke.texi: Don't document -fnew-ra.
4586 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4588 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4589 last parameter to reg_scan.
4590 * loop.c (loop_optimize): Likewise.
4591 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4592 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4593 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4594 rest_of_handle_gcse, rest_of_handle_loop_optimize,
4595 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4596 * regclass.c (reg_scan): Likewise, for the declaration.
4597 * rtl.h (reg_scan): Likewise, for the prototype.
4599 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4601 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4602 mark_dfs_back_edges.
4604 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
4606 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4607 (compute_avail): Uses don't go in tmp_gen.
4609 2005-01-16 Steven Bosscher <stevenb@suse.de>
4611 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4612 loop to look for a free slot in a page entry.
4614 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4617 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4618 * toplev.c (compile_file): Call process_pending_assemble_output_defs
4619 just before targetm.asm_out.file_end.
4620 * tree.h (process_pending_assemble_output_defs): Declare.
4621 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4623 (assemble_alias): Defer generation of assembly code for defines when
4624 TARGET_DEFERRED_OUTPUT_DEFS is true.
4625 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4626 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4627 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4629 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4632 * pa.c (pa_scalar_mode_supported_p): New function.
4633 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4634 * pa.h (MIN_UNITS_PER_WORD): Add comment.
4636 * pa-protos.h (prefetch_operand): Delete.
4637 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4638 * pa.c (prefetch_operand): Delete.
4639 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4640 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4641 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
4642 and prefetch_nocc_operand.
4643 * pa.md (prefetch): Rework to avoid reload problems handling short
4644 displacements when a cache control completer needs to be provided.
4645 (prefetch_32, prefetch_64): Delete.
4646 (prefetch_cc, prefetch_nocc): New patterns.
4648 2005-01-15 David Edelsohn <edelsohn@gnu.org>
4650 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4652 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4655 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4656 exceeds maximum alignment for global common data.
4657 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4658 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4660 2004-01-15 Roger Sayle <roger@eyesopen.com>
4662 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4664 2004-01-15 Roger Sayle <roger@eyesopen.com>
4666 * harg-reg-set.h (reg_class_names): Prototype global array.
4667 * regclass.c (reg_class_names): Declare here and initialize to
4669 (dump_regclass): Remove local declaration of reg_class_names.
4670 (regclass): Likewise.
4671 * cfg.c (dump_flow_info): Likewise.
4672 * ra-debug.c (reg_class_names): Likewise.
4673 * regrename.c (reg_class_names): Likewise.
4674 * reload.c (reg_class_names): Likewise.
4675 * reload1.c (spill_failure): Likewise.
4676 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4678 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
4680 * config/s390/s390.md ("reload_outti"): Remove predicate for
4681 output operand. Abort if operand is not a MEM.
4682 ("reload_outdi", "reload_outdf"): Likewise.
4684 2005-01-15 Marc Espie <espie@openbsd.org>
4686 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4687 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4688 * config/openbsd.h: Fix C++ includes for native configurations.
4689 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
4690 Add trampoline support.
4691 * config/i386/openbsdelf.h: New.
4693 2005-01-15 Marc Espie <espie@openbsd.org>
4695 * collect2.c (main): Explicitly parse -dynamic-linker option.
4697 2005-01-15 Jakub Jelinek <jakub@redhat.com>
4699 PR tree-optimization/19060
4700 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4701 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4702 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4703 and handle extract_range_from_cond returning false.
4704 * fold-const.c (fold): Optimize comparisons with min/max even for
4705 width > HOST_BITS_PER_WIDE_INT.
4707 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
4709 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4710 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4711 Remove little endian multilib variants.
4712 Add mips32 multilib variant.
4714 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
4716 * explow.c (copy_all_reg, stabilize): Remove.
4717 * expr.h: Remove the corresponding prototypes.
4719 * rtlanal.c (regs_set_between_p): Remove.
4720 * rtl.h: Remove the corresponding prototype.
4722 2005-01-14 David Edelsohn <edelsohn@gnu.org>
4724 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4725 to rs6000_nonimmediate_operand.
4726 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4727 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4728 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4729 rs6000_nonimmediate_operand.
4730 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4731 rs6000_nonimmediate_operand.
4733 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
4735 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4737 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4739 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4741 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4742 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4744 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4745 (rs6k_nonimmediate_operand): New.
4746 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4748 (legitimate_lo_sum_address_p): Same.
4749 (rs6000_legitimize_address): Same.
4750 (rs6000_legitimize_reload_address): Same.
4751 (rs6000_legitimate_address): Same.
4752 (spe_build_register_parallel): Pass DF and DC modes in a DI
4755 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4756 to rs6k_nonimmediate_operand.
4758 * config/rs6000/spe.md ("*frob_df_di"): New.
4759 ("*frob_di_df"): New.
4760 ("*frob_di_df_2"): New.
4761 ("*mov_sidf_e500_subreg0"): New.
4762 ("*mov_sidf_e500_subreg4"): New.
4763 ("*movdf_e500_double"): Change predicate to
4764 rs6k_nonimmediate_operand.
4766 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4768 * postreload.c (move2add_note_store): Only call
4769 trunc_int_for_mode on scalar integers.
4771 2005-01-14 Steven Bosscher <stevenb@suse.de>
4773 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4774 replace BB_VISITED uses.
4775 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4776 (propagate_necessity): Check the bitmap instead of BB_VISITED.
4777 (tree_dce_done): Free visited_control_parents.
4778 (perform_tree_ssa_dce): Allocate and clear it.
4779 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4780 (compute_antic): Iterate from here using a DFS. Use an sbitmap
4781 instead of BB_VISITED.
4783 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
4785 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4786 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4787 Remove unused prototypes.
4789 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4791 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4792 64-bit register usage.
4793 (spe_func_has_64bit_regs_p): Add FIXME note.
4795 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4797 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4798 flag_finite_math_only with flag_unsafe_math_optimizations.
4800 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
4802 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4804 (__tpf_eh_return): Copy TPF private stack area from the module
4805 boundary stack frame. Add check for when module addresses are
4806 equal, but no stub address is found.
4808 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
4811 * arm.h (struct machine_function): Add call_via field.
4812 (thumb_call_via_label): Declare.
4813 * arm.c (thumb_call_via_label): New variable.
4814 (thumb_call_reg_needed): New variable.
4815 (arm_output_function_epilogue): For Thumb code, output any per-function
4816 call-indirect trampolines.
4817 (thumb_call_via_reg): New function.
4818 (arm_file_end): New function.
4819 (TARGET_ASM_FILE_END): Call arm_file_end.
4820 (aof_file_end): Likewise.
4821 * arm-protos.h (thumb_call_via_reg): Declare.
4822 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4823 thumb_call_via_reg in normal case.
4825 2005-01-14 Jakub Jelinek <jakub@redhat.com>
4828 PR rtl-optimization/19348
4829 * recog.c (peephole2_optimize): Do global life update if some peephole
4830 decides it doesn't need at least one of its inputs and that change
4831 influences liveness at the start of the basic block.
4833 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4834 arguments instead of 1.
4836 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
4839 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4840 zero for nested functions needing a static chain or functions
4841 with a non-constant address.
4843 2005-01-13 Roger Sayle <roger@eyesopen.com>
4845 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4846 (and (sign_extend X) C) into (zero_extend (and X C)).
4848 2005-01-13 David O'Brien <obrien@FreeBSD.org>
4850 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
4852 2005-01-13 Richard Henderson <rth@redhat.com>
4857 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4858 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4859 not just TARGET_SSE.
4860 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
4861 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4862 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4863 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4864 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4865 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4866 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4867 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4868 (movdicc_c_rex64): Rename with '*'.
4869 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4870 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4871 (movsfcc_1_387): Rename from movsfcc_1.
4872 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4873 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4874 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4875 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4876 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4877 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4878 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4879 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4880 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4881 sse_movdfcc_const0_4): Remove.
4882 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4883 recognize min/max early. Update for changed sse cmove patterns.
4884 (ix86_split_sse_movcc): New.
4885 * config/i386/i386-protos.h: Update.
4887 2005-01-13 Steven Bosscher <stevenb@suse.de>
4889 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4890 (fix_stmt_v_may_defs): Likewise.
4892 2005-01-13 Richard Henderson <rth@redhat.com>
4894 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4895 for converting the mask.
4897 2005-01-13 David Edelsohn <edelsohn@gnu.org>
4899 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4902 2005-01-13 Richard Henderson <rth@redhat.com>
4904 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4905 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4906 IX86_BUILTIN_MOVDQ2Q): Remove.
4907 (IX86_BUILTIN_VEC_EXT_V4SI): New.
4908 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4909 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4911 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4912 (sse2_pextrw): Fix immediate constraint.
4913 (sse2_loadq, sse2_loadq_rex64): Remove.
4914 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4915 Use __builtin_ia32_vec_ext_<size>.
4916 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4918 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
4920 * function.c (assign_parm_setup_block): Look inside original
4921 entry_parm when inspecting PARALLEL.
4923 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4924 Joel Sherrill <joel@oarcorp.com>
4927 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4928 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4929 rtems_gxx_recursive_mutex_init.
4930 (__gthread_recursive_mutex_lock): New function.
4931 (__gthread_recursive_mutex_trylock): Likewise.
4932 (__gthread_recursive_mutex_unlock): Likewise.
4934 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4936 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4938 2005-01-13 Jan Beulich <jbeulich@novell.com>
4940 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4941 (ashrti3_internal): Indicate output is early clobber. Generate result
4942 into output rather than first input. Use move for low word of output
4943 if shift count is exactly 64.
4944 (lshrti3_internal): Likewise.
4946 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
4950 * reload1.c (delete_output_reload): Don't delete an output reload
4951 if the pseudo lives longer than a single basic block. Adjust and
4952 improve wording of comment.
4954 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
4957 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4958 of TYPE_SIZE where we mean the number of bytes.
4960 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
4962 * function.c (assign_parm_setup_block): Relax condition on
4963 multi-register optimization.
4965 2005-01-12 Nick Clifton <nickc@redhat.com>
4967 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4968 an "in_delay_slot" attribute of "no" to prevent them being used in
4969 delay slots. This is forbidden because they might generate
4972 2005-01-12 Alan Modra <amodra@bigpond.net.au>
4975 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4978 2005-01-12 Nick Clifton <nickc@redhat.com>
4980 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4981 passed on to GAS) but do not define, as GAS no longer supports or
4982 needs the -m2000 option.
4984 2005-01-11 Roger Sayle <roger@eyesopen.com>
4986 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4987 type as args of unprototyped builtins aren't automatically promoted.
4988 (fold_builtin_abs): Likewise.
4990 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4992 * Makefile.in: Set a `build-warn' variable.
4994 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4996 PR tree-optimization/17949
4997 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4998 (find_interesting_uses_address): Use it.
5000 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
5002 * regrename.c (kill_value): Handle subreg's that won't simplify.
5004 2005-01-11 Richard Henderson <rth@redhat.com>
5007 * config/i386/i386.h (enum ix86_builtins): Move ...
5008 * config/i386/i386.c: ... here.
5009 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5010 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5011 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5012 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5013 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
5014 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5015 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5016 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5017 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5018 IX86_BUILTIN_LOADDDUP): Remove.
5019 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5020 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5021 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5022 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5023 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5024 (ix86_init_builtins): Make static.
5025 (ix86_init_mmx_sse_builtins): Update for changed builtins.
5026 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5027 if all the modes match. Otherwise, fake it.
5028 (get_element_number, ix86_expand_vec_init_builtin,
5029 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5030 (ix86_expand_builtin): Make static. Update for changed builtins.
5031 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5032 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
5033 (ix86_expand_vector_init_duplicate): New.
5034 (ix86_expand_vector_init_low_nonzero): New.
5035 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5036 Split out from ix86_expand_vector_init; handle integer modes.
5037 (ix86_expand_vector_init): Use them.
5038 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5039 * config/i386/i386-protos.h: Update.
5040 * config/i386/predicates.md (reg_or_0_operand): New.
5041 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5042 (movv2sf_internal): Likewise. And a splitter to match them all.
5043 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5044 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5045 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5046 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5047 (mmx_pinsrw): Fix operand ordering.
5048 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5049 rather than sse_loadss expander.
5050 (movv2df splitter): Similarly.
5051 (sse_loadss, sse_loadlss): Remove.
5052 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5053 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5054 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5055 (sse3_movddup): Rename with '*'.
5056 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5057 (sse2_loadsd): Remove.
5058 (vec_dupv2df_sse3): Rename from sse3_loadddup.
5059 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5060 (sse2_pinsrw): Fix argument ordering.
5061 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5062 (sse2_stored): Remove 'r' destination.
5063 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5064 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5065 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5066 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5067 vec_extractv16qi, vec_initv16qi): New.
5069 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5070 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5071 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5073 (_mm_load_pd, _mm_store_pd): Use plain dereference.
5074 (_mm_load_si128, _mm_store_si128): Likewise.
5075 (_mm_load1_pd): Use _mm_set1_pd.
5076 (_mm_load_sd): Use _mm_set_sd.
5077 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5078 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5079 (_mm_set_epi64): Use _mm_set_epi64x.
5080 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5081 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5082 _mm_setr_epi8): Use _mm_set_foo form.
5083 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5084 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5085 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5086 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5087 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5088 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5089 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5090 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5091 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5092 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5093 (_mm_movedup_pd): Use _mm_shuffle_pd.
5094 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5095 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5096 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5097 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5099 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5100 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5101 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5102 (_mm_store_ps): Use raw dereference.
5103 (_mm_store1_ps): Use _mm_storeu_ps.
5104 (_mm_storer_ps): Use _mm_store_ps.
5105 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5106 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5108 2005-01-11 Stan Shebs <shebs@apple.com>
5110 * config/rs6000/rs6000.c (machopic_output_stub): Issue
5111 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5113 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5116 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5117 Skip all DECLs except for FIELD_DECLs.
5119 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5121 * config/s390/s390.c (override_options): Return error if
5122 -mbackchain, -mpacked-stack and -mhard-float are used together.
5123 (s390_va_start): Remove the backchain && packed-stack special case.
5124 (s390_gimplify_va_arg): Likewise.
5125 * doc/invoke.texi: Remove the ABI incompatibility note.
5127 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * config/s390/s390.c (struct s390_frame_layout): Remove
5131 (s390_frame_info, s390_emit_prologue): Replace occurrences of
5132 save_backchain_p with TARGET_BACKCHAIN.
5134 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5137 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5138 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5139 * function.c (locate_and_pad_parm): Set new field.
5140 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5141 Tweak where_pad test to include "none". Always set mem align for
5143 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5144 not sufficient for type.
5145 (assign_parm_setup_block): If stack_parm is zero on entry, always
5146 make a new stack local. Block move old stack parm if necessary
5147 to new aligned stack local.
5148 (assign_parm_setup_stack): Use a block move to handle
5149 potentially misaligned entry_parm.
5150 (assign_parms_unsplit_complex): Specify required alignment when
5151 creating stack local.
5152 * calls.c (compute_argument_addresses): Override alignment of stack
5153 arg calculated from its type with the alignment given by
5154 FUNCTION_ARG_BOUNDARY.
5155 (store_one_arg): Likewise.
5157 2005-01-11 Jan Beulich <jbeulich@novell.com>
5159 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5160 Change respective itanium_class attribute to ialu.
5161 (shladdp4_internal): New.
5162 * config/ia64/predicates.md (shladd_log2_operand): New.
5164 2005-01-11 Richard Henderson <rth@redhat.com>
5166 * expr.c (store_constructor): Use rtvec_alloc instead of
5167 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5169 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
5171 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5173 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5175 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5176 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5177 (TARGET_RWRELOC): Define.
5178 (ia64_rwreloc_section_type_flags): Delete.
5179 (ia64_section_type_flags): New function.
5180 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5181 (TARGET_RWRELOC): Define.
5183 2005-01-10 David Mosberger <davidm@hpl.hp.com>
5186 * config/ia64/ia64.c (process_set): For alloc insn, only call
5187 process_epilogue is !frame_pointer_needed.
5189 2005-01-10 Roger Sayle <roger@eyesopen.com>
5192 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5193 unary operator and can't be treated as a binary/comparison operator.
5195 2005-01-10 Richard Henderson <rth@redhat.com>
5197 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5198 (ix86_return_in_memory): Likewise.
5199 (function_arg_advance): Likewise. Mirror structure in function_arg
5200 for choosing register to advance.
5202 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
5204 * tree-vectorizer.c, tree.def: Fix comment typos.
5206 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
5208 * config/s390/s390.c (struct processor_costs): 4 new fields:
5209 ddbr, ddr, debr, der.
5210 (s390_rtx_costs): More precise handling of divide instructions.
5212 2005-01-10 David Edelsohn <edelsohn@gnu.org>
5214 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5216 2005-01-10 Jan Beulich <jbeulich@novell.com>
5218 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5219 names resulting from -ffunction-sections/-fdata-sections and linkonce
5221 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5222 based on the section name. Rearrange the section name comparison logic
5223 slightly so that each section name is compared against at most once.
5225 2005-01-10 Ben Elliston <bje@au.ibm.com>
5227 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5228 targets for which -fPIC reduces limitations on the GOT size.
5230 2005-01-09 Falk Hueffner <falk@debian.org>
5232 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5235 2005-01-09 David Edelsohn <edelsohn@gnu.org>
5238 * collect2.c (main): Set aixrtl_flag for -brtl option.
5239 (resolve_lib_name): Search for .so file extension before .a
5242 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
5244 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5245 (vect_analyze_data_refs_alignment): Add dump prints.
5247 2005-01-09 Ira Rosen <irar@il.ibm.com>
5249 * tree-vectorizer.c (vect_analyze_offset_expr): Use
5250 expr_invariant_in_loop_p.
5251 Initialize outputs first thing in the function.
5252 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5253 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5254 (vect_analyze_pointer_ref_access): Check that the initial condition of
5255 the access function is loop invariant.
5257 2005-01-09 Richard Henderson <rth@redhat.com>
5259 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5260 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
5261 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
5262 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5263 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5264 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5265 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5266 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5267 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5268 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5269 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5270 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5271 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5272 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5273 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5274 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5275 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5276 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5277 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5278 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5279 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5280 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5281 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5283 (mmx_clrdi, pavgusb): Remove.
5284 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5285 with leading sse_ prefix.
5286 * config/i386/sse.md: Receive them.
5287 * config/i386/mmx.md: New file.
5288 (MMXMODE12, MMXMODE24, mmxvecsize): New.
5289 (subrv2sf3): Turn into expander for normal subtraction.
5290 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5291 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5292 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5293 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5294 commutative; use ix86_binary_operator_ok.
5295 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5296 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5297 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5298 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5299 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5300 Macroize from existing patterns; use ix86_binary_operator_ok.
5301 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5302 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5303 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
5304 with vec_select+vec_concat.
5305 (mmx_pshufw, mmx_pshufw_1): Likewise.
5306 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
5307 (mmx_uavgv4hi3): Model correctly.
5308 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5309 _mm_xor_si64): Remove casts.
5311 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5313 PR tree-optimization/19224
5314 * tree-scalar-evolution.c (get_instantiated_value,
5315 set_instantiated_value): New functions.
5316 (instantiate_parameters_1): Cache the results.
5317 (instantiate_parameters, resolve_mixers): Initialize and free
5320 2005-01-08 David Edelsohn <edelsohn@gnu.org>
5322 * config/i386/i386.md (addhi_4): Correct reference in comment.
5325 2005-01-08 Richard Henderson <rth@redhat.com>
5327 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5328 (_mm_cvtsi128_si64x): Likewise.
5329 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5330 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5331 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5332 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5333 * config/i386/i386-protos.h: Update.
5334 * config/i386/i386.c (print_operand): Add 'H'.
5335 (ix86_fixup_binary_operands): Split out from ...
5336 (ix86_expand_binary_operator): ... here.
5337 (ix86_fixup_binary_operands_no_copy): New.
5338 (ix86_expand_fp_absneg_operator): Handle vector mode results.
5339 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5340 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5341 (safe_vector_operand): Use CONST0_RTX.
5342 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5343 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5344 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
5345 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
5347 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5348 (IX86_BUILTIN_CMPNGESS): New.
5349 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5350 (attr type): Add sselog1.
5351 (attr unit, attr memory): Handle it.
5352 (movti, movti_internal, movti_rex64): Move near other integer moves.
5353 (movtf, movtf_internal): Move near other fp moves.
5354 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5355 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5356 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5357 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5358 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5359 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5360 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5361 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5362 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5363 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5364 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5365 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5366 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5367 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5368 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5369 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5370 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5371 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5372 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5373 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5374 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5375 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5376 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5377 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5378 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5379 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5380 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5381 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5382 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5383 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5384 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5385 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5386 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5387 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5388 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5389 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5390 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5391 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5392 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5393 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5394 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5395 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5396 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
5397 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5399 (SSEPUSH, push<SSEPUSH>): Remove.
5400 (MMXPUSH, push<MMXPUSH>): Remove.
5401 (sse_movaps, sse_movaps_1, sse_movups): Remove.
5402 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5403 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5404 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5405 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5406 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5407 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5408 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5409 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5410 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5411 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5412 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
5413 (ppro_sse_log_V4SF): Handle sselog1.
5414 * config/i386/predicates.md (const_0_to_1_operand): New.
5415 (const_0_to_255_mul_8_operand): New.
5416 (const_1_to_31_operand): Rename from const_int_1_31_operand.
5417 (const_2_to_3_operand, const_4_to_7_operand): New.
5418 * config/i386/sse.md: New file.
5419 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5420 (sse_movups): Rename from sse_movups_1.
5421 (sse_loadlss): Rename from sse_loadss_1.
5422 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5424 (negv4sf2): Use ix86_expand_fp_absneg_operator.
5425 (absv4sf2, negv2df, absv2df): New.
5426 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5427 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5428 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5429 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5430 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5431 (sse3_addsubv4sf3): Model correctly.
5432 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5433 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5434 (sse_movhlps): Model with vec_select+vec_concat.
5435 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5436 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5437 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5438 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5439 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5440 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5441 sse2_pshufhw_1): Likewise.
5442 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5443 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5444 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5445 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5446 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5447 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5448 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5449 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5450 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5451 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5452 sminv8hi3): Mark commutative
5453 operands. Use ix86_binary_operator_ok.
5454 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5455 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5456 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5457 sse2_punpcklqdq): Allow operand2 in memory.
5458 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5459 sse2_movsd): Add memory alternatives.
5460 (sse_storelps): Turn expander into an insn; split after reload.
5461 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5462 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5464 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5466 * configure.ac (DWARF-2 debug_line): Use objdump.
5467 * configure: Regenerate.
5469 2005-01-08 Jeff Law <law@redhat.com>
5470 Diego Novillo <dnovillo@redhat.com>
5472 PR tree-optimization/18241
5473 * tree-nrv.c (tree_nrv): Ignore volatile return values.
5474 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5475 statements with volatile operands.
5476 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5477 operands after marking a statement with has_volatile_ops.
5479 2005-01-08 Roger Sayle <roger@eyesopen.com>
5481 * tree.c (int_fits_type_p): Always honor integer constant
5482 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5484 2005-01-08 Roger Sayle <roger@eyesopen.com>
5486 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5487 the latent bug in rtl_delete_block has been resolved.
5489 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5491 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5492 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5494 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5496 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5497 library as @multilib_dir@/$(SHLIB_SONAME).
5499 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5501 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5502 * configure: Regenerate.
5504 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5506 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5509 2005-01-07 David Edelsohn <edelsohn@gnu.org>
5512 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5513 Convert non-word aligned offset address using ld/std into
5516 2005-01-07 Richard Henderson <rth@redhat.com>
5518 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5520 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
5522 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5524 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5526 PR tree-optimization/19283
5527 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5528 is not shorter than the original type.
5530 PR rtl-optimization/19012
5531 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5533 PR rtl-optimization/18861
5534 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5535 (FULL_STATE): Define.
5536 (mark_tablejump_edge): New function.
5537 (purge_dead_tablejump_edges): New function.
5538 (find_bb_boundaries): Use it.
5540 PR tree-optimization/18828
5541 * builtins.c (expand_builtin_next_arg): Remove argument and all
5542 the argument checking.
5543 (expand_builtin): Adjust caller.
5544 (expand_builtin_va_start): Likewise. Remove error for too many
5546 (fold_builtin_next_arg): Issue error for too many arguments.
5547 After checking arguments, replace them with magic arguments that
5548 prevent further checking of the args.
5550 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5552 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5554 2005-01-06 Roger Sayle <roger@eyesopen.com>
5557 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5558 and %{.S:...} (and their negative variants) to test whether the
5559 input file is assembler or pre-processed-assembler independent of
5560 the actual filename extension.
5562 2005-01-06 Roger Sayle <roger@eyesopen.com>
5564 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5565 of sign or zero extended values.
5567 2005-01-06 Geoffrey Keating <geoffk@apple.com>
5569 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5570 for IBM long double format correctly.
5572 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
5574 Fix PR tree-optimization/18792
5576 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5577 to first_loop_depth, and use loop depth instead of loop number.
5578 (build_classic_dir_vector): Ditto.
5579 (compute_data_dependences_for_loop): Use depth, not loop number.
5580 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5581 number. Pass in loops, instead of loop numbers.
5582 (gather_interchange_stats): Ditto.
5583 (linear_transform_loops): Ditto.
5585 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
5588 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5589 biv_fits_mode_p, extension_within_bounds_p): New functions.
5590 (check_ext_dependent_givs): Use them.
5592 2005-01-06 Roger Sayle <roger@eyesopen.com>
5594 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5595 more than one barrier, in which case we should delete them all.
5597 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
5599 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5601 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
5603 Fix PR middle-end/19286
5605 * dwarf2out.c (gen_subprogram_die): If we've already tried to
5606 output this subprogram, simply ignore this attempt to do it again.
5607 (add_abstract_origin_attribute): Don't abort trying to add the abstract
5608 origin attribute if it's not possible.
5609 (gen_block_die): Don't ignore subblocks of "unused" blocks.
5610 (decls_for_scope): Ditto.
5611 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5612 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5614 2005-01-05 Richard Henderson <rth@redhat.com>
5617 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5618 (bdesc_2arg): Use it.
5619 (ix86_expand_binop_builtin): Force operands into registers
5621 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5622 ix86_expand_sse_compare, ix86_expand_sse_comi,
5623 ix86_expand_builtin): Likewise.
5625 2005-01-05 Richard Henderson <rth@redhat.com>
5627 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5629 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5630 (mulv4hi3): Set itanium_class mmmul.
5631 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5632 (fpack): Rename from fpack_sfsf.
5634 2005-01-05 Richard Henderson <rth@redhat.com>
5637 * reload1.c (do_input_reload): Restrict the optimization deleteing
5638 a previous output reload to RELOAD_FOR_INPUT.
5640 2005-01-05 Steven Bosscher <stevenb@suse.de>
5642 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
5643 comment that we fall through after case.
5644 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5645 (distribute_links): Likewise.
5646 * cse.c (cse_insn): Likewise.
5647 * cselib.c (cselib_invalidate_mem): Likewise.
5648 * df.c: Update comments at the top of the file.
5649 (read_modify_subreg_p): Update comments here too.
5650 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5651 * flow.c (mark_set_1): Likewise.
5652 (mark_used_regs): Likewise.
5653 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5654 (canon_list_insert): Likewise.
5655 (mark_set): Likewise.
5656 (try_replace_reg): Likewise.
5657 (store_killed_in_insn): Likewise.
5658 * loop.c (count_one_set): Likewise.
5659 (basic_induction_var): Likewise.
5660 * postreload-gcse.c (find_mem_conflicts): Likewise.
5661 * postreload.c (reload_combine_note_store): Likewise.
5662 (move2add_note_store): Likewise.
5663 * reload.c (find_equiv_reg): Likewise.
5664 (mark_referenced_resources): Likewise.
5665 * rtlanal.c (set_noop_p): Likewise.
5666 (note_stores): Likewise.
5667 (note_uses): Likewise.
5668 * sched-deps.c (sched_analyze_1): Likewise.
5669 * sched-rgn.c (check_live_1): Likewise.
5670 (update_live_1): Likewise.
5671 * config/i860/i860.c: Likewise.
5673 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5675 (ZERO_EXTRACT): Mention that this one can be an lvalue.
5677 * doc/rtl.texi: Update documentation for bit-fields and SET.
5679 2005-01-05 Roger Sayle <roger@eyesopen.com>
5681 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5683 2005-01-05 Jan Hubicka <jh@suse.cz>
5684 Richard Henderson <rth@redhat.com>
5687 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5690 2005-01-05 Richard Henderson <rth@redhat.com>
5693 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5694 (sse_shufps): Change operand 3 to const_int_operand.
5695 (sse2_storelps): Fix typo in template.
5696 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5697 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5698 (ix86_expand_builtin): Likewise.
5700 2005-01-05 Julian Brown <julian@codesourcery.com>
5702 * config/arm/arm.c (arm_return_in_memory): Treat complex types
5703 as aggregates for AAPCS ABIs.
5705 2005-01-05 Stan Shebs <shebs@apple.com>
5707 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5708 Mach-O getters if ppc64.
5709 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5711 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5712 signed four-byte field for global code case.
5713 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5715 2005-01-05 Roger Sayle <roger@eyesopen.com>
5718 * c-common.c: Include real.h.
5719 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5720 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5721 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5722 * Makefile.in (c-common.o): Update dependencies.
5724 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5726 * c-parse.in (asm_string): Add trailing semicolon.
5728 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5730 * c-parse.in (asm_string): New. Don't allow wide strings in
5732 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5733 asm_string instead of STRING.
5735 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5737 * c-typeck.c (constructor_no_implicit): Remove.
5738 (set_designator, process_init_element): Don't check
5739 constructor_no_implicit.
5741 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
5742 Kaz Kojima <kkojima@gcc.gnu.org>
5745 * lcm.c (create_pre_exit): New.
5746 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5747 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
5749 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5751 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5752 -msoft-float in target_float_switch.
5753 * arm.c (arm_override_options): Fix processing of target_float_switch.
5755 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5757 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5760 2004-01-05 Uros Bizjak <uros@kss-loka.si>
5762 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5763 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5765 2005-01-04 Roger Sayle <roger@eyesopen.com>
5767 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5768 if deleting the then-block allows the test-block to fallthru to the
5771 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
5774 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5775 after the full declaration if the are in two different TUs.
5777 2005-01-04 Richard Henderson <rth@redhat.com>
5780 * tree-sra.c (generate_one_element_init): Just
5781 call gimplify_and_add.
5782 (generate_element_init): Record the
5783 new referenced variables and mark them for renaming
5784 and split out to ...
5785 (generate_element_init_1): This.
5786 (scalarize_init): Don't call push_gimplify_context/
5787 pop_gimplify_context.
5789 2005-01-04 Geoffrey Keating <geoffk@apple.com>
5791 * toplev.c (get_src_pwd): Handle failure of getpwd().
5793 2005-01-04 Roger Sayle <roger@eyesopen.com>
5795 * fold-const.c (fold_single_bit_test): Delete unreachable handling
5797 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5798 all the cases handled by it are inverted by invert_truthvalue.
5800 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5802 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5803 (save_register_windowsi): Likewise.
5805 2005-01-04 Richard Henderson <rth@redhat.com>
5807 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5809 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5812 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5813 any simplifications of vector mode comparison operators.
5814 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5816 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
5817 Devang Patel <dpatel@apple.com>
5819 PR tree-optimization/18308
5820 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5821 the operands before creating a new expression.
5822 * dojump.c (do_jump): Make drop_through_label available
5823 for all cases. Add expansion of COND_EXPR.
5825 2005-01-04 Ira Rosen <irar@il.ibm.com>
5827 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5828 INTEGER_CST instead of TREE_CONSTANT.
5829 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5830 instead of TREE_CONSTANT.
5831 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5832 instead of TREE_CONSTANT.
5834 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5836 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5838 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5841 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5842 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5844 2005-01-03 Richard Henderson <rth@redhat.com>
5846 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5847 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5848 fold_convert_const_real_from_real): Split out from ...
5849 (fold_convert_const): ... here.
5851 2005-01-03 Richard Henderson <rth@redhat.com>
5854 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5855 (mov<MMXMODEI>_internal): Likewise.
5856 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5857 Add V2SF case; use it for SSE1; don't use TI.
5858 (movdf_integer): Likewise.
5859 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5861 2005-01-03 Ira Rosen <irar@il.ibm.com>
5863 * tree-vectorizer.c (vect_strip_conversions): New function.
5864 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5865 check for binary class.
5867 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
5871 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5873 * gimple-low.c (mark_blocks_with_used_vars): New function.
5874 (mark_blocks_with_used_subblocks): Ditto.
5875 (mark_used_blocks): Ditto.
5876 (pass_mark_used_blocks): New pass.
5877 * tree-inline.c: Include debug.h.
5878 (expand_call_inline): Call outlining_inline_function here.
5879 * tree-optimize.c (init_tree_optimization_passes): Add
5880 pass_mark_used_blocks.
5881 * tree-pass.h (pass_mark_used_blocks): New.
5882 * Makefile.in (tree-inline.o): Add debug.h dependency.
5884 2005-01-03 Geoffrey Keating <geoffk@apple.com>
5886 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5887 VAR_DECLs to have weak_import attribute.
5889 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5892 2004-01-03 Steven Bosscher <stevenb@suse.de>
5894 * passes.c (rest_of_compilation): Don't run regmove if only
5895 flag_expensive_optimizations, require flag_regmove instead.
5897 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5899 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5901 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5902 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5903 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5904 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5906 2005-01-03 Richard Henderson <rth@redhat.com>
5908 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5909 (ia64_const_ok_for_letter_p): New.
5910 (ia64_const_double_ok_for_letter_p): New.
5911 (ia64_extra_constraint): New.
5912 (ia64_expand_vecint_compare): New.
5913 (ia64_expand_vcondu_v2si): New.
5914 (ia64_expand_vecint_cmov): New.
5915 (ia64_expand_vecint_minmax): New.
5916 (ia64_print_operand): Add 'v'.
5917 (ia64_preferred_reload_class): New.
5918 (ia64_vector_mode_supported_p): New.
5919 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5920 (PREFERRED_RELOAD_CLASS): Move to function.
5921 (CONST_OK_FOR_LETTER_P): Move to function.
5922 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5923 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5924 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5925 (EXTRA_CONSTRAINT): Move to function.
5926 * config/ia64/ia64.md: Include vect.md.
5927 (itanium_class): Add mmalua.
5929 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
5931 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5932 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5934 (const_int_2bit_operand): New.
5935 (fr_reg_or_0_operand): New.
5936 * config/ia64/ia64-modes.def: Add vector modes.
5937 * config/ia64/ia64-protos.h: Update.
5938 * config/ia64/vect.md: New file.
5940 2005-01-03 Richard Henderson <rth@redhat.com>
5942 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5944 2005-01-03 Uros Bizjak <uros@kss-loka.si>
5947 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5949 (log1pdf2): Change mode of operands[0,1] to DFmode.
5951 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5953 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5954 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5955 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5956 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5957 SPARC_RELAXED_ORDERING.
5959 2005-01-03 Richard Henderson <rth@redhat.com>
5960 Uros Bizjak <uros@kss-loka.si>
5963 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5964 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5965 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5967 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5968 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5969 const_pow2_1_to_128_operand): New predicates.
5971 2005-01-02 Greg McGary <greg@mcgary.org>
5973 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5975 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5976 object. [ptr_type]: Remove unused variable.
5977 Remember nearest addressable array-element or record-component
5978 when checking bitfield components. Tolerate empty BIND_EXPR.
5980 2005-01-01 Richard Henderson <rth@redhat.com>
5982 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5983 that don't narrow the value. Fail for other conversions.
5985 2005-01-01 Richard Henderson <rth@redhat.com>
5988 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5989 * c-lang.c (finish_file): Don't do it here.
5990 * objc/objc-act.c (objc_finish_file): Likewise.
5992 * cgraph.c (decl_assembler_name_equal): New.
5993 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5994 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5995 * cgraph.h (struct cgraph_varpool_node): Add next.
5996 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5997 * varasm.c (assemble_alias): Mark the target as needed.
5999 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
6002 * function.c (get_arg_pointer_save_area): Use entry_of_function
6003 instead of get_insns.
6005 2005-01-01 Roger Sayle <roger@eyesopen.com>
6006 Andrew Pinski <pinskia@physics.uc.edu>
6007 James E. Wilson <wilson@specifixinc.com>
6009 PR rtl-optimization/12092
6010 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6013 2005-01-01 Roger Sayle <roger@eyesopen.com>
6014 Olivier Hainque <hainque@act-europe.fr>
6016 * tree.c (int_fits_type_p): A narrower type always fits in a
6017 wider one, except for negative values into unsigned types.
6019 2005-01-01 Roger Sayle <roger@eyesopen.com>
6021 * tree.c (int_fits_type_p): Compare the result of force_fit_type
6022 with the original constant rather than require TREE_OVERFLOW.
6024 2005-01-01 Steven Bosscher <stevenb@suse.de>
6027 * c-decl.c (finish_function): If compiling C99, annotate the
6028 compiler generated return with the current file name and line 0.
6029 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6030 the source line is greater than 0.
6031 (remove_bb): Likewise.
6033 See ChangeLog.12 for earlier changes.