1 2005-03-04 Devang Patel <dpatel@apple.com>
3 PR tree-optimization/18815
4 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
5 loops with zero exit edges.
7 2005-03-04 Devang Patel <dpatel@apple.com>
9 * doc/invoke.texi: Remove reference to webpage that does not exist.
11 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
12 Joseph S. Myers <joseph@codesourcery.com>
15 * elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
16 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
17 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
18 * pa.c (get_plabel): Change argument to symbol_ref. Call
19 maybe_get_identifier instead of get_identifier.
20 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
21 (struct deferred_plabel): Replace name field with symbol field.
22 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
23 ASM_OUTPUT_EXTERNAL_REAL is defined.
24 (output_global_address): Use output_addr_const for output of all
26 (output_deferred_plabels): Use symbol_ref instead of name for address
28 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
29 ASM_OUTPUT_SYMBOL_REF): New macros.
30 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
32 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
35 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
37 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
38 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
40 2005-03-04 Jeff Law <law@redhat.com>
42 * basic-block.h (rediscover_loops_after_threading): Declare.
43 * tree-ssa-dom.c: Include cfgloop.h.
44 (tree_ssa_dominator_optimize): Discover loops and some basic
45 properties. Remove forwarder blocks recreated by loop header
46 canonicalization. Also mark backedges in the CFG.
47 * tree-ssa-threadupdate.c: Include cfgloop.h
48 (rediscover_loops_after_threading): Define.
49 (struct local_info): New field, JUMP_THREADED.
50 (prune_undesirable_thread_requests): New function.
51 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
52 then record that fact for the callers of redirct_edges.
53 (thread_block): If BB has incoming backedges, then call
54 prune_undesirable_thraed_requests. Note when we are
55 going to have to rediscover loop information. Return a
56 boolean indicating if any jumps were threaded.
57 (thread_through_all_blocks): Bubble up boolean indicating
58 if any jumps were threaded.
59 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
60 (tree-ssa-threadupdate.o): Similarly.
62 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
64 * fold-const.c (fold_ternary): Unroll the "for" loop to
67 2005-03-04 Andrew Haley <aph@redhat.com>
69 * unwind-dw2-fde-glibc.c (struct
70 unw_eh_callback_data.check_cache): New field.
71 (frame_hdr_cache): New.
72 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
73 Cache frame header info.
75 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
77 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
78 (print_c_condition): Declare.
79 * read-rtl.c (ptr_loc): New structure.
80 (ptr_locs, ptr_loc_obstack, joined_conditions)
81 (joined_conditions_obstack): New variables.
82 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
83 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
84 (join_c_conditions, print_c_condition): New functions.
85 (apply_macro_to_string): Associate the new string with the same
86 source location as the old one.
87 (add_condition_to_string): Use join_c_conditions.
88 (read_string): Use set_rtx_ptr_loc to record a filename and line
89 number for the string.
90 (read_rtx): Initialize the new variables above.
91 * genattrtab.c (write_test_expr, write_attr_value): Use
93 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
94 comment above the GCC_VERSION check.
95 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
96 Inline the definition of MAYBE_EVAL.
97 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
98 * genoutput.c (process_template): Likewise.
99 * genpreds.c (write_predicate_subfunction): Likewise.
100 (write_predicate_expr): Use print_c_condition.
101 * genrecog.c (write_cond): Likewise.
102 * gensupport.c (process_rtx): Use join_c_conditions to join the
103 conditions of a define_insn_and_split. Record a source location
104 for the string after the "&&".
105 (alter_test_for_insn): Use join_c_conditions.
107 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
110 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
111 PR tree-optimization/15784
112 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
115 2005-03-04 Ben Elliston <bje@au.ibm.com>
117 * gcc.c (option_map): Add --coverage.
118 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
119 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
120 * config/darwin.h: Pass -lgcov for `coverage'.
121 * doc/invoke.texi (Debugging Options): Document --coverage.
123 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
125 * gcse.c (bypass_block): Use find_edge wherever possible.
127 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
131 * c-opts.c (c_common_parse_file): Call start_source_file
132 and end_source_file at the approriate times.
134 * dwarf2out.c (dwarf2out_finish): Don't auto-end
135 the main file, it will be done for us now.
137 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
139 * fold-const.c (fold_ternary): New.
140 (fold): Call fold_ternary on ternary expressions. Remove
141 handling of ternary expressions.
143 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
145 PR tree-optimization/15784
146 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
149 2005-03-03 David Edelsohn <edelsohn@gnu.org>
151 * config/rs6000/predicates.md (branch_comparison_operator):
152 Convert from C block to conditional format.
154 2005-03-03 Jan Hubicka <jh@suse.cz>
156 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
157 and non-constant public variables.
159 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
161 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
164 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
167 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
168 calls to release_ssa_name and release_phi_node.
170 * fold-const.c (fold): Remove handling of unary expressions.
172 * fold-const.c (fold_unary): Avoid directly using the original
173 expression t as much as possible.
175 2005-03-03 Roger Sayle <roger@eyesopen.com>
176 Andrew Pinski <pinskia@physics.uc.edu>
178 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
179 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
181 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
183 Describe special registers SRP and MOF as allocatable registers.
184 * config/cris/cris.c (cris_md_asm_clobbers): New function.
185 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
186 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
187 TARGET_HAS_MUL_INSNS.
188 (cris_print_operand) <case 'd'>: New case.
189 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
190 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
192 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
193 (REG_ALLOC_ORDER): Update for MOF.
194 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
196 (GENERAL_REGS): No longer a define of ALL_REGS.
197 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
198 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
200 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
201 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
202 (SECONDARY_RELOAD_CLASS): Define.
203 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
204 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
205 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
206 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
207 (REGISTER_MOVE_COST): Define.
208 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
209 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
210 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
211 (CRIS_MOF_REGNUM): New define_constants.
212 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
214 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
216 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
217 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
218 Adjust for MOF being properly described as a register.
219 (indir_to_reg_split): Name this split. Conditionalize on the
220 destination register being a general register.
221 (movei): Conditionalize on on operands 0 and 1 having the same
224 2005-03-03 Alan Modra <amodra@bigpond.net.au>
227 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
228 -mcpu to override any other explicitly given flags.
230 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
232 * recog.c (verify_changes, confirm_change_group): New functions,
233 broken out of apply_change_group.
234 (apply_change_group): Use them.
235 * recog.h (verify_change, confirm_change_group): Declare.
236 * rtl.h (redirect_jump_2): Declare.
237 * jump.c (redirect_exp, invert_exp): Delete.
238 (invert_exp_1): Take second parameter. Return value. Changed caller.
239 (redirect_jump_2): New function, broken out of redirect_jump.
240 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
241 (invert_jump): Use invert_jump_1 and redirect_jump_2.
242 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
244 2005-03-02 Geoffrey Keating <geoffk@apple.com>
246 * varasm.c (named_section): Use xstrdup rather than doing it by
249 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
251 2005-03-02 Devang Patel <dpatel@apple.com>
253 Undo PR tree-optimization/18815 fix.
255 2005-03-02 Devang Patel <dpatel@apple.com>
257 PR tree-optimization/18815
258 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
259 loops with zero exit edges.
261 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
263 * cfg.c (connect_src, connect_dest, disconnect_src,
264 disconnct_dest): New.
265 (unchecked_make_edge, remove_edge, redirect_edge_succ,
266 redirect_edge_pred): Use the new functions.
268 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
269 free_dominance_info only when needed.
271 2005-03-02 David Edelsohn <edelsohn@gnu.org>
274 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
275 (reg_or_sub_cint64_operand): Same.
277 2005-03-02 Jeff Law <law@redhat.com>
279 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
280 CFG_ALTERED in the main DOM iteration loop.
282 2005-03-02 Mark Mitchell <mark@codesourcery.com>
285 * varasm.c (initializer_constant_valid_p): Allow conversions
286 between OFFSET_TYPEs. Tidy.
288 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
290 * config/cris/cris.md ("return"): Remove epilogue delay list
293 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
295 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
297 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
299 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
301 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
302 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
303 config/m68k/m68k.c, config/mips/mips.h,
304 config/rs6000/rs6000-protos.h, doc/contrib.texi,
305 doc/include/gcc-common.texi: Update copyright.
307 PR middle-end/18029 and PR middle-end/18030
308 * expr.c (optimize_bitfield_assignment_op): Add a special case
309 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
311 * fold-const.c (fold_unary): New.
312 (fold): Call fold_unary on unary expressions.
314 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
316 * cgraph.h (struct cgraph_edge): Add prev_caller and
318 (cgraph_node_remove_callees): Export.
319 * cgraph.c (cgraph_create_edge): Initialize prev_caller
321 (cgraph_edge_remove_callee): New function.
322 (cgraph_edge_remove_caller): Likewise.
323 (cgraph_remove_edge): Use.
324 (cgraph_redirect_edge_callee): Likewise.
325 (cgraph_node_remove_callees): New function.
326 (cgraph_node_remove_callers): Likewise.
327 (cgraph_remove_node): Use.
328 * tree-optimize.c (tree_rest_of_compilation): Use
329 cgraph_node_remove_callees instead of manual loop.
330 * cgraphunit.c (cgraph_finalize_function): Likewise.
331 (cgraph_expand_function): Likewise.
332 (cgraph_remove_unreachable_nodes): Likewise.
334 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
337 * c-tree.h (undeclared_variable, build_external_ref): Add extra
339 * c-decl.c (undeclared_variable): Take location as argument.
340 * c-typeck.c (build_external_ref): Likewise.
341 * c-parser.c (c_parser_postfix_expression): Pass location of
342 identifier to build_external_ref.
344 2005-03-01 David Edelsohn <edelsohn@gnu.org>
346 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
347 CCEQ mode for branch_positive_comparison_operator test.
348 * config/rs6000/predicates (branch_comparison_operator): Revert to
350 (scc_comparison_operator): Same.
351 (branch_positive_comparison_operator): Same.
353 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
355 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
356 (cris_delay_slots_for_epilogue): Remove.
357 (save_last): Move into cris_target_asm_function_epilogue.
358 (cris_target_asm_function_epilogue): Remove tests for file being
360 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
361 (cris_delay_slots_for_epilogue): Remove prototypes.
362 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
363 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
365 2005-03-01 David Edelsohn <edelsohn@gnu.org>
367 * config/rs6000/predicates.md (branch_comparison_operator): Change
368 to define_special_predicate.
369 (scc_comparison_operator): Same.
370 (branch_positive_comparison_operator): Same.
372 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
374 * Makefile.in (tree-ssa-sink.o): New.
375 (OBJS-common): Add tree-ssa-sink.o.
376 * common.opt: Add -ftree-sink
377 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
378 * timevar.def (TV_TREE_SINK): new timevar.
379 * tree-flow.h (is_hidden_global_store): Prototype.
380 * tree-optimize.c (init_tree_optimization_passes): Add
382 * tree-pass.h (pass_sink_code): New.
383 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
384 for non-obvious global store store to is_hidden_global_store, and
385 call that new function.
386 * tree-ssa-sink.c: New file.
387 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
388 * doc/passes.texi: Document forward store motion.
389 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
390 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
391 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
392 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
394 2005-03-01 Per Bothner <per@bothner.com>
396 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
397 and we have a non-zero column-number, add it to the message.
398 Also factor out the diagnostic_kind_text.
400 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
402 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
403 flow_loop_pre_header_scan, flow_loop_pre_header_find,
404 flow_loop_scan): Removed.
405 (flow_loop_dump): Do not dump removed fields.
406 (flow_loop_free): Do not free removed fields.
407 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
408 (loop_exit_edge_p): New function.
409 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
410 num_pre_header_edges, entry_edges, num_entries, exit_edges,
411 num_exits, exits_doms.
412 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
413 LOOP_EDGES, LOOP_ALL): Removed.
414 (flow_loop_scan): Declaration removed.
415 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
416 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
418 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
419 (if_convert): Call flow_loops_find and flow_loops_free
420 when calling mark_loop_exit_edges.
421 * cfgloopanal.c (mark_loop_exit_edges): Moved from
422 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
423 free_dominance_info calls.
424 * loop-init.c (flow_loops_find): Ditto.
425 * passes.c (rest_of_handle_branch_prob): Ditto.
426 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
427 * loop-unroll.c (analyze_insns_in_loop): Do not use
429 * predict.c (predict_loops): Do not call flow_loop_scan.
430 Use get_loop_exit_edges.
431 (tree_estimate_probability): Do not pass flags to flow_loops_find.
432 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
433 Do not use EDGE_LOOP_EXIT.
434 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
435 to bb_with_exit_edge_p.
436 (if_convertible_loop_p): Do not call flow_loop_scan. Use
437 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
438 to bb_with_exit_edge_p.
439 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
441 * tree-loop-linear.c (linear_transform_loops): Do not call
442 flow_loop_scan. Use loop->single_exit.
443 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
444 (vect_analyze_loop_form): Do not call flow_loop_scan.
445 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
447 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
449 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
450 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
451 slpeel_tree_duplicate_loop_to_edge_cfg,
452 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
453 Use loop_preheader_edge and loop->single_exit. Do not call
456 2005-03-01 Nick Clifton <nickc@redhat.com>
458 * config/arm/arm.c (thumb_find_work_register): Check all of the
459 argument registers to see if they are free, and a couple of
460 special cases where the last argument register but can be proved
461 to be available during the function's prologue.
462 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
463 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
464 thumb_unexpanded_epilogue): Use unsigned long as the type for the
466 (thumb_compute_save_reg_mask): Likewise. Also use
467 thumb_find_work_register() to ensure that there is agreement about
468 which work register is going to be used in the prologue.
469 (thumb_output_function_prologue): Use unsigned long as the type
470 for the register bit-mask. Also delay pushing the link register if
471 other high registers are going to be pushed.
472 (thumb_compute_save_reg_mask, emit_multi_reg_push,
473 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
474 redundant prototypes.
476 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
479 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
480 and after reload in REG+REG indexed addresses without REG_POINTER
481 set in the base and not set in the index.
483 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
485 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
487 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
488 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
489 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
490 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
491 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
493 * config.gcc (sh*-*-linux*): Use config/linux.h.
495 2005-02-28 Dale Johannesen <dalej@apple.com>
496 Stan Shebs <shebs@apple.com>
498 Rewrite of 64-bit Darwin structure-by-value pass/return.
499 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
500 intoffset, use_stack, named.
501 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
502 (rs6000_darwin64_record_arg_advance_flush): New.
503 (rs6000_darwin64_record_arg_advance_recurse): New.
504 (rs6000_darwin64_record_arg_flush): New.
505 (rs6000_darwin64_record_arg_recurse): New.
506 (rs6000_darwin64_record_arg): New.
507 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
508 (function_arg_boundary): Handle 128-bit aligned structs.
509 (function_arg_advance): Rewrite darwin64 struct handling.
510 (function_arg): Call rs6000_darwin64_record_arg.
511 (function_arg_partial_nregs): Handle darwin64 structs.
512 (rs6000_darwin64_function_value): Remove.
513 (rs6000_function_value): Call rs6000_darwin64_record_arg.
515 2005-02-28 Roger Sayle <roger@eyesopen.com>
517 PR tree-optimization/20216
518 * tree-chrec.c (tree_fold_factorial): Delete.
519 (tree_fold_binomial): Change argument list to take a return type
520 and change the type of K to unsigned int. Rewrite to avoid explicit
521 evaluation of factorials, and (recursively) calling fold to perform
522 compile-time arithmetic. Return NULL on (internal) overflow.
523 (chrec_evaluate): Change type of K to an unsigned int. Avoid
524 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
525 if any intermediate calculation overflows.
526 (chrec_apply): Update call to chrec_evaluate.
528 2005-02-28 James E Wilson <wilson@specifixinc.com>
530 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
532 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
535 * c-parser.c (c_parser_compound_statement): Return error_mark_node
536 instead of NULL_TREE on error.
538 2005-02-28 David Edelsohn <edelsohn@gnu.org>
540 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
541 (EASY_VECTOR_15_ADD_SELF): Remove.
542 (num_insns_constant_wide): Not static.
543 (validate_condition_mode): Not static.
544 (toc_relative_expr_p): Not static.
545 (legitimate_indirect_address_p): Not static.
546 (macho_lo_sum_memory_operand): Not static.
547 (invalid_e500_subreg): Not static.
548 (easy_vector_same): Not static.
549 (easy_vector_splat_const): Not static.
550 (RS6000_SYMBOL_REF_TLS_P): Remove.
551 (any_operand): Delete.
552 (any_parallel_operand): Delete.
553 (count_register_operand): Delete.
554 (altivec_register_operand): Delete.
555 (xer_operand): Delete.
556 (s8bit_cint_operand): Delete.
557 (short_cint_operand): Delete.
558 (u_short_cint_operand): Delete.
559 (non_short_cint_operand): Delete.
560 (exact_log2_cint_operand): Delete.
561 (gpc_reg_operand): Delete.
562 (cc_reg_operand): Delete.
563 (cc_reg_not_cr0_operand): Delete.
564 (reg_or_short_operand): Delete.
565 (reg_or_neg_short_operand): Delete.
566 (reg_or_aligned_short_operand): Delete.
567 (reg_or_u_short_operand): Delete.
568 (reg_or_cint_operand): Delete.
569 (reg_or_arith_cint_operand): Delete.
570 (reg_or_add_cint64_operand): Delete.
571 (reg_or_sub_cint64_operand): Delete.
572 (reg_or_logical_cint_operand): Delete.
573 (got_operand): Delete.
574 (got_no_const_operand): Delete.
575 (easy_fp_constant): Delete.
576 (easy_vector_constant): Delete.
577 (easy_vector_constant_add_self): Delete.
578 (zero_constant): Delete.
579 (zero_fp_constant): Delete.
580 (volatile_mem_operand): Delete.
581 (offsettable_mem_operand): Delete.
582 (mem_or_easy_const_operand): Delete.
583 (add_operand): Delete.
584 (non_add_cint_operand): Delete.
585 (logical_operand): Delete.
586 (non_logical_cint_operand): Delete.
587 (mask_operand): Delete.
588 (mask_operand_wrap): Delete.
589 (mask64_operand): Delete.
590 (mask64_2_operand): Delete.
591 (and64_operand): Delete.
592 (and64_2_operand): Delete.
593 (and_operand): Delete.
594 (reg_or_mem_operand): Delete.
595 (lwa_operand): Delete.
596 (symbol_ref_operand): Delete.
597 (call_operand): Delete.
598 (current_file_function_operand): Delete.
599 (input_operand): Delete.
600 (rs6000_nonimmediate_operand): Delete.
601 (rs6000_tls_symbol_ref): Delete.
602 (save_world_operation): Delete.
603 (restore_world_operation): Delete.
604 (load_multiple_operation): Delete.
605 (store_multiple_operation): Delete.
606 (vrsave_operation): Delete.
607 (mfcr_operation): Delete.
608 (mtcrf_operation): Delete.
609 (lmw_operation): Delete.
610 (stmw_operation): Delete.
611 (branch_comparison_operator): Delete.
612 (branch_positive_comparison_operator): Delete.
613 (scc_comparison_operator): Delete.
614 (trap_comparison_operator): Delete.
615 (boolean_operator): Delete.
616 (boolean_or_operator): Delete.
617 (min_max_operator): Delete.
618 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
619 (EASY_VECTOR_15): Moved to here.
620 (EASY_VECTOR_15_ADD_SELF): Move to here.
621 (PREDICATE_CODES): Delete.
622 * config/rs6000/rs6000-protos.h: Delete predicate functions.
623 Declare functions no longer static.
624 * config/rs6000/predicates.md: New.
625 * config/rs6000/rs6000.md: Include predicates.md
627 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
629 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
630 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
632 * cfgrtl.c (need_fake_edge_p): Likewise.
633 * combine.c (distribute_notes): Likewise.
634 * emit-rtl.c (try_split): Likewise.
635 * recog.c (peephole2_opimize): Likewise.
636 * reg-notes.def (ALWAYS_RETURN): Remove.
637 * rtl.h (LCT_ALWAYS_RETURN): Remove.
638 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
639 * tree.h (ECF_ALWAYS_RETURN): Remove.
641 2005-02-28 Roger Sayle <roger@eyesopen.com>
644 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
645 between different machine modes is never a "useless" conversion.
647 2005-02-28 Geert Bosch <bosch@gnat.com>
650 * doc/contrib.texi: List contributors for Ada front end
652 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
654 * simplify-rtx.c (simplify_unary_operation_1,
655 simplify_const_unary_operation): New, extracted from...
656 (simplify_unary_operation): ... this one.
657 (simplify_binary_operation_1,
658 simplify_const_binary_operation): New, extracted from...
659 (simplify_binary_operation): ... this one.
660 * rtl.h (simplify_const_unary_operation,
661 simplify_const_binary_operation): Add prototypes.
663 2005-02-28 Julian Brown <julian@codesourcery.com>
665 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
666 building libjava and caused PR regression/20228.
668 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
671 * Makefile.in (host_subdir): New.
672 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
673 * configure: Regenerate.
675 2005-02-27 Zack Weinberg <zack@codesourcery.com>
677 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
678 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
679 installation directory first.
681 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
684 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
685 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
686 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
687 * config/cris/cris.md: Tweak comments referring to Q.
688 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
689 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
690 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
691 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
692 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
693 Insert spaces in constraints to align alternatives vertically for
695 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
698 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
700 PR rtl-optimization/17728
701 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
702 operand 0 from general_operand to move_dest_operand.
704 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
706 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
707 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
708 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
709 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
711 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
713 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
714 * configure: Regenerate.
715 * libada-mk.in: Remove CC; rename
716 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
718 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
721 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
722 for the lhs, also walk over the tree. Likewise for rhs.
724 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
726 * tree-ssa-dom.c (simple_iv_increment_p): New function.
727 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
728 Do not propagate value of iv before increment over the increment.
730 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
732 * c-parser.c: New file.
733 * c-parse.in: Remove.
734 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
736 (c-parser.o): Add dependencies.
737 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
738 maintainer-clean, TAGS): Update.
739 * c-config-lang.in (gtfiles): Update.
740 * gengtype-lex.l: Don't handle "@@".
741 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
742 objc_build_synchronized, objc_begin_try_stmt,
743 objc_begin_catch_clause, objc_finish_catch_clause,
744 objc_build_finally_clause, objc_finish_try_stmt): New.
745 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
747 (c_parse_init): Update comment.
748 * c-decl.c (c_init_decl_processing): Update comment.
749 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
750 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
751 new c_declspecs members.
753 2005-02-25 Julian Brown <julian@codesourcery.com>
755 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
756 from being used for symbols with vague linkage when
757 HAVE_GAS_COMDAT_GROUP is true.
759 2005-02-25 Mark Mitchell <mark@codesourcery.com>
761 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
763 2005-02-25 Steve Ellcey <sje@cup.hp.com>
766 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
767 (LIBGCC2_HAS_DF_MODE): New.
768 (LIBGCC2_HAS_XF_MODE): New.
769 (LIBGCC2_HAS_TF_MODE): New.
770 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
771 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
772 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
773 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
774 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
775 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
776 and add _fixtfdi, _fixunstfdi, _floatditf
777 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
778 L_fixunstfdi, L_floatditf.
779 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
780 (LIBGCC2_HAS_TF_MODE): Define.
782 2005-02-25 Diego Novillo <dnovillo@redhat.com>
784 PR tree-optimization/20204
785 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
786 REWRITE_THIS_STMT markers on PHI nodes.
787 (rewrite_initialize_block): Likewise.
789 2005-02-25 Mark Mitchell <mark@codesourcery.com>
791 * version.c (version_string): Update to 4.1.
793 2005-02-25 Paolo Carlini <pcarlini@suse.de>
795 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
796 Clarify that the alternative way doesn't work in GNU C++.
798 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
800 PR tree-optimization/19937
801 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
802 to the type of the induction variable.
804 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
806 PR rtl-optimization/20117
807 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
808 the block including noncopyable insn.
810 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
812 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
813 calls to find_reg_note.
815 2005-02-24 Richard Henderson <rth@redhat.com>
818 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
821 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
823 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
824 vector types if to use base reg for misaligned non-word ld/std.
826 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
829 * config/cris/cris.c (cris_target_asm_function_prologue): Create
830 dwarf2 label manually and put it after, not before the prologue.
832 2005-02-24 David Edelsohn <edelsohn@gnu.org>
835 * reload.c (operands_match_p): Only increment register number for
836 SCALAR_INT_MODE_P modes in multiple hard registers.
838 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
841 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
843 * ChangeLog.5: Fix log message typo(s).
844 * ChangeLog.7: Likewise.
845 * ChangeLog.tree-ssa: Likewise.
846 * cfgexpand.c: Fix comment typo(s).
847 * conflict.c: Likewise.
848 * defaults.h: Likewise.
849 * dwarf2out.c: Likewise.
851 * ggc-page.c: Likewise.
852 * tree-eh.c: Likewise.
853 * tree-ssa-dom.c: Likewise.
855 2005-02-24 Jakub Jelinek <jakub@redhat.com>
858 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
859 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
860 if SHARED is defined.
863 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
864 allow splitting only if operands 0 and 3 don't overlap.
866 2005-02-24 Richard Henderson <rth@redhat.com>
869 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
870 (fold_builtin_1): Call them.
871 * fold-const.c (fold_complex_mult_parts): Split out from ...
872 (fold_complex_mult): ... here. Fix typo in both imaginary case.
873 (fold_complex_div_parts, fold_complex_div): New.
875 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
877 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
879 * tree-ssa-ccp.c (visit_assignment): Verify that result of
880 VIEW_CONVERT_EXPR is_gimple_min_invariant.
882 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
883 (print_node): Likewise.
884 Print TYPE_SIZES_GIMPLIFIED.
886 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
888 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
889 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
890 operands as commutative in constraints.
892 2005-02-24 Diego Novillo <dnovillo@redhat.com>
894 * tree-into-ssa.c: Re-organize internal functions.
896 2005-02-24 Richard Henderson <rth@redhat.com>
899 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
901 * common.opt (fcx-limited-range): New.
902 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
903 * toplev.c (flag_complex_method): Initialize to 1.
904 (process_options): Set flag_complex_method to 0 if
905 flag_cx_limited_range.
906 * doc/invoke.texi (-fcx-limited-range): New.
908 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
910 * cse.c (delete_trivially_dead_insns): Speed up by using
911 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
914 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
916 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
917 functions when -mid-shared-library is being used.
919 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
921 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
922 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
923 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
924 * system.h: Poison LINK_LIBGCC_SPECIAL.
926 2005-02-23 James E Wilson <wilson@specifixinc.com>
928 * gengtype.c (note_insn_name): Make 1 element larger.
930 2005-02-23 Roger Sayle <roger@eyesopen.com>
933 PR rtl-optimization/20097
934 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
935 BImode SUBREGs of SImode registers which confuse the ia64 backend.
937 2005-02-23 David Edelsohn <edelsohn@gnu.org>
939 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
940 * t-aix52 (SHLIB_INSTALL): Same.
942 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
944 * genpreds.c: Update copyright.
946 2005-02-23 Michael Beach <michaelb@ieee.org>
949 * config/sparc/t-elf (startup files): Assemble with CPP.
951 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
953 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
954 (write_predicate_expr): Likewise.
956 2005-02-22 Diego Novillo <dnovillo@redhat.com>
958 PR tree-optimization/20100
959 PR tree-optimization/20115
960 * tree-optimize.c (init_tree_optimization_passes): Remove
961 pass_maybe_create_global_var.
962 * tree-pass.h (pass_maybe_create_global_var): Remove.
963 * tree-ssa-alias.c (aliases_computed_p): Declare.
964 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
965 (count_calls_and_maybe_create_global_var): Remove.
966 (pass_maybe_create_global_var): Remove.
967 (init_alias_info): Do not declare aliases_computed_p.
968 (maybe_create_global_var): If the function contains no
969 call-clobbered variables and a mix of pure/const and regular
970 function calls, create .GLOBAL_VAR.
971 Mark all call-clobbered variables for renaming.
972 (merge_pointed_to_info): Update comment.
973 (add_pointed_to_var): Likewise.
974 (is_escape_site): Likewise.
975 Accept struct alias_info * instead of size_t *.
977 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
979 * tree-ssa-operands.c (get_call_expr_operands): If
980 ALIASES_COMPUTED_P is false, do not add call-clobbering
982 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
983 (delete_tree_ssa): Likewise.
985 2005-02-22 James E Wilson <wilson@specifixinc.com>
987 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
988 (do_compile): Do call it here.
990 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
992 PR rtl-optimization/20017.
993 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
994 rest_of_handle_cse2, rest_of_handle_gcse): Call
995 delete_dead_jumptables immediately before calling cleanup_cfg.
997 2005-02-22 Devang Patel <dpatel@apple.com>
1000 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1003 2005-02-22 David Edelsohn <edelsohn@gnu.org>
1005 * config/rs6000/aix.h (WINT_TYPE): Define.
1007 2005-02-22 Stan Shebs <shebs@apple.com>
1009 * config/rs6000/rs6000.c (rs6000_override_options): Default to
1010 natural alignment for 64-bit Darwin.
1011 (rs6000_parse_alignment_option): Warn about uses of -malign-power
1013 * doc/invoke.texi: Document this.
1015 2005-02-22 DJ Delorie <dj@redhat.com>
1017 * c-common.c (c_common_type_for_mode): Pass the mode's precision
1018 to make_[un]signed_type, not the mode itself.
1020 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1022 * cfg.c (cached_make_edge): Call make_edge if edge cache is
1023 not available. Use tail calls wherever possible.
1024 (make_edge): Call unchecked_make_edge to create an edge.
1026 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1027 (coalesce_ssa_name): Don't check for
1028 SSANORM_USE_COALESCE_LIST.
1029 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1031 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1033 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1034 (rewrite_into_ssa): ... here.
1036 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
1038 PR tree-optimization/19786
1039 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1040 tag to another's may-alias bitmap when adding to the other's list.
1042 2005-02-21 DJ Delorie <dj@redhat.com>
1044 * tree-ssa-loop-ivopts.c (computation_cost): Start register
1045 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1046 registers in unsupported ways.
1047 * expmed.c (init_expmed): Likewise.
1049 2005-02-21 Stan Cox <scox@redhat.com>
1051 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1053 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1055 * tree-cfg.c (fold_cond_expr_cond): New.
1056 (make_edges): Call fold_cond_expr_cond.
1057 (find_taken_edge): Accept nothing but INTEGER_CST.
1058 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1060 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1062 * flow.c (delete_dead_jumptables): Speed up by scanning insns
1063 that do not belong to any basic block.
1065 2005-02-21 Jeff Law <law@redhat.com>
1067 * cfganal.c (find_unreachable_blocks): Manually CSE load of
1070 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1072 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1073 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1074 Adjust their definitions.
1075 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1076 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1078 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1079 genautomata.c, langhooks.c, langhooks.h, system.h,
1080 config/arm/lib1funcs.asm: Update copyright.
1082 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
1084 * dbxout.c (dbxout_function_end): Emit Lscope label always.
1086 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
1089 * doc/install.texi: Document --with-gc.
1091 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
1093 * simplify-rtx.c (simplify_unary_operation): Add a missing
1096 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1098 PR tree-optimization/18663
1099 * tree-ssa-dom.c (extract_range_from_cond): Return 0
1100 if the type has variable bounds.
1102 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
1104 * gcse.c: Remove an obsolete comment.
1106 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1108 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
1110 * doc/extend.texi (Function Attributes) <Attribute const>: The
1111 attribute "pure" is below this text, not above.
1113 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1115 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1116 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1117 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1119 2005-02-20 Zack Weinberg <zack@codesourcery.com>
1122 * langhooks.h (struct lang_hooks): Add to_target_charset.
1123 * langhooks.c (lhd_to_target_charset): New function.
1124 * langhooks-def.h: Declare lhd_to_target_charset.
1125 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1126 (LANG_HOOKS_INITIALIZER): Update.
1127 * c-common.c (c_common_to_target_charset): New function.
1128 * c-common.h: Declare it.
1129 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1130 c_common_to_target_charset.
1132 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1133 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1135 * system.h: Poison them.
1136 * doc/tm.texi: Don't discuss them.
1137 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1138 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1139 (pp_c_char): Do not attempt to generate letter escapes for
1141 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1142 * config/mips/mips.c (mips_output_ascii): Likewise.
1144 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
1146 PR tree-optimization/19951
1147 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1150 2005-02-19 Steven Bosscher <stevenb@suse.de>
1153 * function.h (struct function): New field `max_loop_depth'.
1154 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1155 (flow_loops_find): Reset the max loop depth count before finding loops.
1156 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1157 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1158 (calculate_global_regs_live): Make sure the loop will terminate
1159 when the initial sets are not empty.
1161 2005-02-19 Zack Weinberg <zack@codesourcery.com>
1163 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1165 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1167 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
1170 * doc/invoke.texi: Remove documentation of %M spec.
1172 (init_spec): Remove %M suffix from -lgcc_s.
1173 (do_spec_1): Remove 'M' case.
1174 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
1175 to put shared libraries in the multilib directory. Remove the
1176 shlib_so_soname substitution variable. Don't add a multilib encoding
1177 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
1178 reported by -print-multi-os-directory. Pass @multilib_dir@ to
1179 SHLIB_INSTALL as well as SHLIB_LINK.
1180 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1181 (SHLIB_NAME): Delete.
1182 (SHLIB_DIR): New macro.
1183 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1184 (SHLIB_INSTALL): Adjust accordingly.
1185 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1186 * config/t-slibgcc-sld: Likewise.
1187 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1188 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1189 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1191 (SHLIBUNWIND_INSTALL): Adjust accordingly.
1192 * config/i386/t-nwld (SHLIB_SONAME): Delete.
1193 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1194 Use @shlib_base_name@ instead of @shlib_so_name@.
1195 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1196 and @shlib_base_name@.so in @multilib_dir@.
1197 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
1198 to the install path.
1199 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1200 (SHLIB_LINK): Remove previous workaround.
1201 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1202 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1203 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
1205 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1206 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
1207 (SHLIB_INSTALL): Adjust accordingly.
1208 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1209 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1210 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1211 config/t-slibgcc-elf-ver.
1213 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
1214 Jakub Jelinek <jakub@redhat.com>
1216 PR tree-optimization/19828
1217 * tree-ssa-loop-im.c: Add a TODO comment.
1218 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1219 without side-effects.
1221 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1223 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1226 2005-02-18 James E. Wilson <wilson@specifixinc.com>
1228 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1229 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1230 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1232 (ia64_reorg): Delete fixup_errata call.
1233 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1234 (TARGET_SWITCHES): Delete -mb-step entry.
1236 2005-02-19 Jakub Jelinek <jakub@redhat.com>
1239 * c-typeck.c (composite_type): Handle quals in transparent unions.
1240 (type_lists_compatible_p): Likewise.
1242 2005-02-18 Stan Shebs <shebs@apple.com>
1244 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1245 expressions in the .literal8 section.
1247 2005-02-18 Geoffrey Keating <geoffk@apple.com>
1249 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1251 2005-02-18 Roger Sayle <roger@eyesopen.com>
1253 * fold-const.c (constant_boolean_node): Always create values of the
1254 specified type, don't bother calling truthvalue_conversion.
1256 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1258 * except.c (output_function_exception_table): Call
1259 assemble_external_libcall (eh_personality_libfunc).
1261 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1264 * config/ia64/ia64.h (struct machine_function): Add state_num.
1265 * config/ia64/ia64.c (process_epilogue,
1266 process_for_unwind_directive): Use new unwind state numbers each
1267 time rather than state 1.
1269 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
1272 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1273 before the "*llgt_didi" pattern.
1275 2005-02-18 Jason Merrill <jason@redhat.com>
1277 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1279 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
1281 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1282 (div0): Use it in place of ARM_FUNC_ALIAS.
1283 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1285 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1288 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1289 access, the lower bound of the array type if it exists.
1291 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
1294 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1295 cases that are out-of-range for the index type.
1297 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1299 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1300 (estimate_case_costs): Don't call convert.
1301 * expmed.c (expand_shift): Likewise.
1302 (make_tree): Call fold_convert instead of convert.
1304 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1307 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1308 that ref to be marked MEM_READONLY_P doesn't have base that needs
1311 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1313 * genautomata.c (output_get_cpu_unit_code_func,
1314 output_cpu_unit_reservation_p): Don't generate old-style function
1317 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1320 PR tree-optimization/20009
1321 * convert.c (convert_to_integer): Revert 2005-02-16 change.
1323 PR tree-optimization/18947
1324 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1325 inline, remove all nodes that are inlined into the extern inline
1328 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1330 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1331 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1332 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1333 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1336 2005-02-17 Roger Sayle <roger@eyesopen.com>
1338 PR tree-optimization/19917
1339 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1340 to be potentially trapping.
1342 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1344 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1346 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
1348 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1349 tem becomes a local variable which is set to the value of the
1350 back end defined INITIAL_FRAME_ADDRESS macro.
1351 (expand_builtin_frame_address): Omit the base parameter to
1352 expand_builtin_return_addr.
1353 (expand_builtin_profile_func): Likewise.
1354 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1355 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1356 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1358 2005-02-17 Jakub Jelinek <jakub@redhat.com>
1360 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1361 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1362 * config/frv/frv.c (frv_function_epilogue): Likewise.
1364 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
1366 * lambda-code (perfect_nestify): Remove mark/unmark
1368 * tree-loop-linear.c (linear_transform_loops): Add
1369 rewrite_into_ssa call so that ssa is correct for
1370 rewriting into loop closed.
1372 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
1374 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1375 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1377 * bt-load.c (btr_def_live_range, combine_btr_defs,
1378 migrate_btr_def, migrate_btr_defs): Likewise.
1379 * cfgcleanup.c (thread_jump): Likewise.
1380 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1381 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1382 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1383 df_rd_local_compute, df_reg_info_compute): Likewise.
1384 * dominance.c (init_dom_info, free_dom_info): Likewise.
1385 * flow.c (init_propagate_block_info,
1386 free_propagate_block_info): Likewise.
1387 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1388 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1389 modify_reg_pav): Likewise.
1390 * loop-invariant.c (find_defs, find_invariant_insn,
1391 find_invariants, free_inv_motion_data): Likewise.
1392 * predict.c (tree_predict_by_opcode,
1393 estimate_bb_frequencies): Likewise.
1394 * stmt.c (expand_case): Likewise.
1395 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1396 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1397 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1398 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1399 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1400 rewrite_ssa_into_ssa): Likewise.
1401 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1402 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1403 analyze_edges_for_bb, perform_edge_inserts): Likewise.
1404 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1405 * tree-sra.c (tree_sra): Likewise.
1406 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1407 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1408 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1409 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1410 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1411 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1413 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1414 calculate_live_on_entry, calculate_live_on_exit,
1415 build_tree_conflict_graph): Likewise.
1416 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1417 record_important_candidates, set_use_iv_cost, find_depends,
1418 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1419 tree_ssa_iv_optimize_finalize): Likewise.
1420 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1421 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1422 tree_duplicate_loop_to_header_edge): Likewise.
1423 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1424 * tree-ssa.c (verify_flow_insensitive_alias_info,
1425 verify_name_tags, verify_ssa, init_tree_ssa,
1426 delete_tree_ssa): Likewise.
1427 * tree-ssanames.c (marked_ssa_names, init_ssanames,
1428 fini_ssanames): Likewise.
1429 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1431 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
1433 * config/rs6000/t-rtems: Completely reworked.
1435 2005-02-17 Ira Rosen <irar@il.ibm.com>
1437 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1439 2005-02-17 Ira Rosen <irar@il.ibm.com>
1441 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1442 POINTER_TYPE_P when checking that type is a pointer.
1443 (vect_get_memtag): Remove.
1444 (vect_address_analysis): Use POINTER_TYPE_P. Call
1445 vect_object_analysis with dummy parameter for memtag.
1446 (vect_object_analysis): Extract memtag (functionality that
1447 used to be in vect_get_memtag and moved here). Fix printings.
1448 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1449 with correct parameters. Remove call to vect_get_memtag.
1451 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
1453 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1454 (tree-vectorizer.o): Added missing dependencies.
1456 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1458 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1459 declaration in tree-vectorizer.c, now has an extern declaration in
1461 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1462 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1463 get_vectype_for_scalar_type, vect_is_simple_use,
1464 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1465 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1466 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1467 vectorizable_store, vectorizable_operation, vectorizable_assignment,
1468 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1469 find_loop_location): Likewise.
1471 * tree-vectorizer.c (langhooks.h): #include removed.
1472 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1473 moved to tree-vectorized.h.
1474 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1475 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1476 get_vectype_for_scalar_type, vect_is_simple_use,
1477 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1478 vect_supportable_dr_alignment, new_loop_vec_info,
1479 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1480 vect_set_verbosity_level, find_loop_location): Likewise.
1482 (vect_analyze_loop): Function externalized. Declaration moved to
1483 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1484 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1485 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1486 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1487 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1488 vect_enhance_data_refs_alignment, vect_analyze_operations,
1489 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1490 vect_stmt_relevant_p, vect_get_loop_niters,
1491 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1492 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1493 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1494 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1495 vect_get_memtag): Likewise.
1497 (vectorizable_load): Function externalized. Declaration moved to
1498 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1499 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1500 vect_transform_loop): Likewise.
1501 (vect_transform_stmt): Moved to tree-vect-transform.c.
1502 (vect_align_data_ref, vect_create_destination_var,
1503 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1504 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1505 vect_get_vec_def_for_operand, vect_init_vector,
1506 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1507 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1508 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1509 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1510 vect_do_peeling_for_loop_bound): Likewise.
1512 * tree-vect-analyze.c: New file.
1513 * tree-vect-transform.c: New file.
1515 2005-02-17 Jason Merrill <jason@redhat.com>
1517 PR mudflap/19319, c++/19317
1518 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1521 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
1523 * doc/install.texi (Specific): Update link for Darwin-specific
1526 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
1528 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1529 constant_boolean_node.
1531 2005-02-16 David Edelsohn <edelsohn@gnu.org>
1534 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1535 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1537 2005-02-16 Richard Henderson <rth@redhat.com>
1540 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1542 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1543 replace uses with Wtype_MAXp1_F.
1544 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1545 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1546 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1547 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1548 and HAVE_TFMODE as appropriate.
1549 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1550 (__floatdisf): Likewise.
1551 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1552 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1553 (Wtype_MAXp1_F): New.
1554 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1555 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1557 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
1560 * arm.c (arm_apply_result_size): New function.
1561 * arm.h (APPLY_RESULT_SIZE): Define.
1562 * arm-protos.h (arm_apply_result_size): Add prototype.
1563 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1564 (movxf): New expand.
1565 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1566 (call_value_symbol): Remove predicate for operand 0.
1567 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1568 (untyped_call): Rework to correclty return values for any type.
1569 (untyped_return): New expand.
1570 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1572 2005-02-16 Stan Shebs <shebs@apple.com>
1574 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1575 * config/rs6000/t-darwin8: New, for 64-bit multilib.
1577 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1579 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1580 configure settings on Solaris 7 and later.
1582 2005-02-16 Diego Novillo <dnovillo@redhat.com>
1584 PR tree-optimization/19865
1585 * tree-optimize.c (init_tree_optimization_passes): Run
1586 pass_may_alias after pass_sra.
1588 2005-02-16 Richard Henderson <rth@redhat.com>
1589 Stuart Hastings <stuart@apple.com>
1592 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1593 Do nothing if debug info suppressed for this function.
1594 (dbxout_begin_function): Early exit if debug info suppressed for
1597 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
1600 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1602 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1604 PR tree-optimization/19967
1605 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1606 expand_builtin_strchr, expand_builtin_strrchr): Take a new
1607 argument TYPE. Adjust calls to fold_builtin_XXX.
1608 (expand_builtin, fold_builtin_1): Adjust calls to
1610 (fold_builtin_strchr, fold_builtin_strpbrk,
1611 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1612 result to a requested type TYPE.
1614 2005-02-16 Jakub Jelinek <jakub@redhat.com>
1617 * fold-const.c (fold): Don't optimize (T)(x & cst) to
1618 (T)x & (T)cst if (T)cst overflows.
1619 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1620 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1622 2005-02-15 Jeff Law <law@redhat.com>
1624 * gcse.c (blocks_with_calls): New bitmap.
1625 (alloc_gcse_mem): Allocate it.
1626 (free_gcse_mem): Free it.
1627 (clear_modifY_mem_tables): Clear it.
1628 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1629 when we encounter CALL_INSNs.
1630 (compute_transp, case MEM): Handle blocks with calls separate
1631 from blocks without calls. Use bitmap iterators rather than
1634 2005-02-15 Peter O'Gorman <peter@pogma.com>
1637 * mklibgcc.in (vis_hide): Use a temporary object file, not
1640 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
1643 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1644 access optimization.
1646 2005-02-15 David Edelsohn <edelsohn@gnu.org>
1647 Alan Modra <amodra@bigpond.net.au>
1650 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1651 (_xlqsub): Rename to __gcc_qsub.
1652 (_xlqmul): Rename to __gcc_qmul.
1653 (_xlqdiv): Rename to __gcc_qdiv.
1654 Provide versioned symbol aliases with old names.
1655 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1656 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1657 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1658 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1659 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1661 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1663 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
1664 Fold ~(A - 1) and ~(A + -1) to -A.
1666 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1670 * config/host-linux.c (linux_gt_pch_use_address): Copy from
1671 config/pa/pa-host.c:pa_gt_pch_use_address.
1673 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
1675 * tree-vn.c (get_value_handle): Make sure that given an
1676 is_gimple_min_invariant expression, we always return it.
1678 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1680 * passes.c (rest_of_handle_gcse): Fix a comment.
1682 2005-02-15 Jeff Law <law@redhat.com>
1684 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1686 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1687 (canon_list_insert, record_last_mem_set_info): Similarly.
1688 (clear_modify_mem_tables): Similarly.
1690 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1692 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1693 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1694 config/mips/mips.md, config/rs6000/aix.h,
1695 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1697 2005-02-15 Richard Henderson <rth@redhat.com>
1699 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1700 call to be best_edge.
1702 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1704 * basic-block.h: Adjust the prototype for find_basic_blocks.
1705 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1706 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1709 * flow.c (recompute_reg_usage): Remove all arguments.
1710 * passes.c (rest_of_compilation): Adjust the call to
1711 recompute_reg_usage.
1712 * rtl.h: Adjust the prototype for recompute_reg_usage.
1714 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
1716 * tree-dump.c (dump_files): Update to reflect new member
1718 (dump_register): Add new argument.
1720 (dump_switch_p_1): Check against glob name if doglob was passed.
1721 (dump_switch_p): Check against regular first, then glob if
1722 we didn't have any hits on the dump name.
1723 * tree-optimize.c (register_one_dump_file):
1724 Pass in glob name as well.
1725 * tree-pass.h (struct dump_file_info): Add glob
1728 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
1730 PR preprocessor/16323
1731 * doc/invoke.texi: Document that -Wendif-labels is on by default.
1733 2005-02-14 David Edelsohn <edelsohn@gnu.org>
1736 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1737 (trunctfdf2_internal1): New.
1738 (trunctfdf2_internal2): Renamed from trunctfdf2.
1740 2005-02-14 Diego Novillo <dnovillo@redhat.com>
1742 PR tree-optimization/19853
1743 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1745 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1747 * passes.c (rest_of_handle_loop_optimize): Remove calls to
1748 delete_dead_jumptables and cleanup_cfg.
1750 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
1752 * reload.c (find_reloads): Swap address_reloaded flags when
1753 swapping commutative operands.
1755 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
1757 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1758 Use standard_iv_increment_position for computing the bsi position
1760 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1763 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1766 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1767 life range of hard registers.
1768 * value-prof.c (insn_prefetch_values_to_profile): Only
1771 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1772 profile in libcalls.
1774 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
1776 * bitmap.h (bitmap_and_compl_into): Return bool.
1777 * bitmap.c (bitmap_and_compl_into): Return changed flag.
1779 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1781 PR tree-optimization/19944
1782 * fold-const.c (fold): Re-add ABS_EXPR folding.
1784 2005-02-13 David Edelsohn <edelsohn@gnu.org>
1787 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1788 {TARGET,MASK}_XL_COMPAT.
1789 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
1791 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1792 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1794 (rs6000_arg_partial_bytes): Same.
1795 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1796 and XL compatibility enabled.
1797 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1798 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1799 test to final condition.
1800 (cmptf_internal2): New.
1801 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1802 xl-compat. Add TFmode information to description.
1804 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
1806 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1808 2005-02-13 Jason Merrill <jason@redhat.com>
1811 * fold-const.c (fold_indirect_ref_1): Split out from...
1812 (build_fold_indirect_ref): Here.
1813 (fold_indirect_ref): New fn.
1814 * tree.h: Declare it.
1815 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1816 (gimplify_modify_expr_rhs): Likewise.
1817 (gimplify_expr): Likewise.
1819 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1821 PR tree-optimization/14303
1822 PR tree-optimization/15784
1823 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1824 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
1825 ABS_EXPR<x> != 0 to x != 0.
1827 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
1829 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1830 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
1831 spelling conventions.
1833 * passes.c (rest_of_handle_gcse): Don't run cse_main and
1834 delete_trivially_dead_insns too many times.
1836 * passes.c (rest_of_handle_gcse): Remove dead assignments to
1839 2005-02-12 Ira Rosen <irar@il.ibm.com>
1841 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1842 (vect_is_simple_iv_evolution): Remove redundant parameter
1844 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1845 without last parameter.
1846 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1847 Return pointer step. Call vect_is_simple_iv_evolution without
1848 last parameter. Check only that the step is multiple of size
1849 type. Remove stmt_vinfo updates.
1850 (vect_get_memtag_and_dr): Remove.
1851 (vect_get_memtag): New function.
1852 (vect_address_analysis): New function.
1853 (vect_object_analysis): New function.
1854 (vect_analyze_data_refs): Call vect_object_analysis and
1855 vect_get_memtag. Update stmt_vinfo fields.
1857 2005-02-12 Ira Rosen <irar@il.ibm.com>
1859 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1860 exist and are objects. Remove checks for pointer.
1861 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1862 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1863 (vect_create_data_ref_ptr): Likewise.
1864 (vect_base_addr_differ_p): New function.
1865 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1866 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1867 Don't set the DR_BASE_NAME field of data-ref.
1868 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1870 2005-02-12 Uros Bizjak <uros@kss-loka.si>
1872 * optabs.h (enum optab_index): Add new OTI_ldexp.
1873 (ldexp_optab): Define corresponding macro.
1874 * optabs.c (init_optabs): Initialize ldexp_optab.
1875 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1877 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1879 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1880 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1882 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1883 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1886 2005-02-12 Ira Rosen <irar@il.ibm.com>
1888 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1890 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1892 (vect_get_base_and_offset): Always return an address.
1893 (vect_create_addr_base_for_vector_ref): Remove treatment for
1894 different data reference types.
1895 (vect_compute_data_ref_alignment): Rename base to base_address in
1896 stmt_vec_info. Get the object in order to force its alignment.
1897 (vect_get_memtag_and_dr): Rename base to base_address in
1898 stmt_vec_info. Extract the object for memtag analysis.
1900 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
1902 PR regression/19898.
1903 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1904 changes cc_status, use apply modified_in_p to part of cc_status
1905 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1908 2005-02-11 Richard Henderson <rth@redhat.com>
1910 * tree-complex.c (expand_complex_libcall): New.
1911 (expand_complex_multiplication): Use it for c99 compliance.
1912 (expand_complex_division): Likewise.
1913 * fold-const.c (fold_complex_add, fold_complex_mult): New.
1915 * builtins.c (built_in_names): Remove const.
1916 * tree.c (build_common_builtin_nodes): Build complex arithmetic
1918 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1919 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1920 (built_in_names): Remove const.
1921 * c-common.c (c_common_type_for_mode): Handle complex modes.
1922 * flags.h, toplev.c (flag_complex_method): Rename from
1923 flag_complex_divide_method.
1924 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1925 __mulsc3, __muldc3, __mulxc3, __multc3): New.
1926 * libgcc2.h: Declare them.
1927 * libgcc-std.ver: Export them.
1928 * mklibgcc.in (lib2funcs): Build them.
1930 2005-02-11 Steven Bosscher <stevenb@suse.de>
1932 PR tree-optimization/19876
1933 Partially revert my change from 2005-01-14
1934 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1935 (compute_antic): ...and remove the loop here.
1937 2005-02-11 Jakub Jelinek <jakub@redhat.com>
1940 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1941 is number of inner's bits, avoid creating a BIT_FIELD_REF.
1943 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1944 crtend.o if -pie. Use %{x:a;:b} spec syntax.
1946 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
1948 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1949 offsets for the big-endian 32-bit case.
1951 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
1953 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1955 2005-02-11 Dale Johannesen <dalej@apple.com>
1957 * cselib.c (cselib_process_insn): Clear out regs where
1958 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1959 * reload.c (find_equiv_reg): Ditto.
1961 2005-02-11 Ian Lance Taylor <ian@airs.com>
1963 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1966 * tree.c (build_function_type_list): Work correctly if there are
1969 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
1971 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1972 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1973 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1974 TARGET_ZARCH instead of TARGET_64BIT.
1976 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
1978 * config/rs6000/t-rtems:
1979 (MULTILIB_OPTIONS): Remove mcpu=602.
1980 (MUTLILIB_DIRNAMES): Remove m602.
1981 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1982 Let mcpu=602 match mcpu=603.
1983 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1985 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1987 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1990 2005-02-10 David Daney <ddaney@avtrex.com>
1992 * config/alpha/linux-unwind.h: Add exception clause to copyright.
1993 * config/i386/linux-unwind.h: Likewise.
1994 * config/ia64/linux-unwind.h: Likewise.
1995 * config/mips/linux-unwind.h: Likewise.
1996 * config/pa/linux-unwind.h: Likewise.
1997 * config/rs6000/linux-unwind.h: Likewise.
1998 * config/s390/linux-unwind.h: Likewise.
1999 * config/sh/linux-unwind.h: Likewise.
2000 * config/sparc/linux-unwind.h: Likewise.
2002 2005-02-10 Steven Bosscher <stevenb@suse.de>
2004 PR tree-optimization/17549
2005 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2006 TER to replace a DEF with its expression if the DEF and the
2007 rhs of the expression we replace into have the same root
2010 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
2012 * config/mips/mips.md: Fix the placement of the match_scratch in the
2015 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2017 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2020 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2022 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2023 (strip_offset): Handle addresses.
2024 (add_address_candidates): Use strip_offset.
2025 (difference_cost): Reflect strip_offset change.
2026 (force_var_cost, difference_cost): Strip nops.
2028 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2030 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2032 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2033 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2034 config/cris/cris-protos.h, config/cris/cris.c: Update
2037 2005-02-10 Jeff Law <law@redhat.com>
2039 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2040 (lookup_avail_expr): Similarly.
2042 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
2044 * builtins.c (fold_builtin_powi): New function.
2045 (fold_builtin_1): Call it.
2047 2005-02-10 Steven Bosscher <stevenb@suse.de>
2049 PR documentation/19309
2050 * doc/cpp.texi: The __GNUC__ and related predefined macros
2051 are also defined for the "standalone" cpp.
2052 Some non-GCC compilers may also define __GNUC__.
2054 2005-02-10 Jakub Jelinek <jakub@redhat.com>
2057 * c-typeck.c (common_type): New routine. Old common_type renamed
2059 (c_common_type): ...this.
2060 (build_conditional_expr, build_binary_op): Use c_common_type instead
2063 2005-02-10 Steven Bosscher <stevenb@suse.de>
2065 * doc/md.texi: Replace @samp{length} with @code{length}.
2067 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2069 PR tree-optimization/18687
2070 * tree-flow.h (find_loop_niter): Declare.
2071 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2072 Try using scev even for loops with more than one exit.
2073 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2074 (struct ivopts_data): Added niters field.
2075 (struct nfe_cache_elt): New.
2076 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2078 (tree_ssa_iv_optimize_init): Initialize niters cache.
2079 (determine_number_of_iterations): Removed.
2080 (find_induction_variables): Do not call determine_number_of_iterations.
2081 Access niters for single exit through niter_for_single_dom_exit.
2082 (add_iv_outer_candidates): Access niters for single exit through
2083 niter_for_single_dom_exit.
2084 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
2085 number_of_iterations_cond.
2086 (iv_period): New function.
2087 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2088 (may_replace_final_value): Take data argument. Use
2089 niter_for_single_dom_exit.
2090 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2091 (rewrite_use_compare): Pass data to may_eliminate_iv.
2092 (rewrite_use_outer): Pass data to may_replace_final_value.
2093 (free_loop_data): Clean up the niters cache.
2094 (tree_ssa_iv_optimize_finalize): Free the niters cache.
2095 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2096 * tree-ssa-loop-niter.c (find_loop_niter): New function.
2097 (find_loop_niter_by_eval): Use tree_int_cst_lt.
2098 (num_ending_zeros): Moved to tree.c.
2099 * tree.h (num_ending_zeros): Declare.
2100 * tree.c (num_ending_zeros): Moved from tree.c.
2102 2005-02-09 Richard Henderson <rth@redhat.com>
2104 * builtins.c (DEF_BUILTIN): Add COND argument.
2105 * tree.h (DEF_BUILTIN): Likewise.
2106 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2107 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2109 (DEF_BUILTIN_STUB): New.
2110 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2111 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2112 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2113 * c-common.c (DEF_BUILTIN): Add COND argument.
2114 * tree.c (local_define_builtin): New.
2115 (build_common_builtin_nodes): New.
2117 2005-02-09 Roger Sayle <roger@eyesopen.com>
2119 * fold-const.c (fold_strip_sign_ops): New function to simplify a
2120 floating point expression ignoring the sign of the result.
2121 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2122 (fold) <MULT_EXPR>: Use it to simplify x*x.
2123 * tree.h (fold_strip_sign_ops): Prototype here.
2124 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2125 argument. Use fold_strip_sign_ops to simplify the first argument.
2126 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
2127 first argument when the second argument is an even integer
2128 constant, but only with -funsafe_math_optimizations.
2129 (fold_builtin_1): Update call to fold_builtin_copysign.
2131 2005-02-09 Ian Lance Taylor <ian@airs.com>
2134 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2135 just check whether EH_FILTER_FAILURE falls through.
2137 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
2139 * gcc/haifa-sched.c (schedule_block): Make queued sched group
2140 insns return to ready list in the next turn.
2142 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2145 * builtins.def: New __builtin_powi[lf].
2146 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2147 (expand_builtin_powi): New function.
2148 (expand_builtin): Dispatch to expand_builtin_powi.
2149 * libgcc2.h: Add prototypes for __builtin_powi[lf].
2150 * libgcc2.c: Add __builtin_powi[lf] implementation.
2151 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2152 * optabs.h: Add powi_optab.
2153 * optabs.c (init_optabs): Initialize powi_optab.
2154 * doc/extend.texi: Document __builtin_powi[lf].
2156 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
2158 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2161 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2164 * fold-const.c (try_move_mult_to_index): Remove redundant
2165 type argument. Create ADDR_EXPR with correct type.
2166 (fold): Update callers of try_move_mult_to_index. Convert
2167 result to the appropriate type.
2169 2005-02-09 Roger Sayle <roger@eyesopen.com>
2172 * config/avr/avr.c (default_rtx_costs): Delete.
2173 (avr_operand_rtx_cost): New function.
2174 (avr_rtx_costs): Completely rewrite.
2176 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
2179 * config/cris/cris.c (in_code): New variable.
2180 (cris_output_addr_const): Now a static function, a wrapper for
2182 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2183 case from old cris_output_addr_const.
2184 (cris_asm_output_label_ref): Similar for LABEL_REF.
2185 (cris_output_addr_const_extra): Similar for UNSPEC.
2186 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2187 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2188 * config/cris/cris-protos.h (cris_output_addr_const): Remove
2190 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2191 (cris_asm_output_label_ref): Declare.
2193 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
2195 PR preprocessor/19801
2196 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2197 filenames that changed when libcpp was moved to the toplevel.
2199 2005-02-07 Roger Sayle <roger@eyesopen.com>
2201 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2202 zero extensions of BImode operands. Call lowpart_subreg instead
2203 of gen_lowpart_common and gen_lowpart_SUBREG.
2205 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
2208 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2209 * configure.ac: Set cc_for_cross_gnattools.
2210 * configure: Regenerate.
2212 2005-02-08 Alan Modra <amodra@bigpond.net.au>
2215 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2217 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2220 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2221 of nested functions.
2223 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
2225 * doc/extend.texi: Document deprecated extensions allowing
2226 static floating-point members to have initializers and allowing
2227 floating-point literals in integral constant expressions.
2229 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
2231 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2232 config/darwin7.h, config/mips/mips.c,
2233 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2236 * cse.c: Update comments.
2238 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
2241 * builtins.c (fold_builtin_sqrt): Transform
2242 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2245 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
2246 Dorit Naishlos <dorit@il.ibm.com>
2248 * doc/invoke.texi (ftree-vectorizer-verbose): New.
2249 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2250 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2252 * tree.h (vect_set_verbosity_level): New extern function declaration
2254 * tree-vectorizer.h (verbosity_levels): New enum type.
2255 * tree-vectorizer.c (vect_debug_stats): Function removed.
2256 (vect_debug_details): Likewise.
2257 (vect_verbosity_level): Global variable was defined and initialized.
2258 (vect_dump): Global variable definition.
2259 (vect_print_dump_info): New function.
2260 (vect_set_dump_settings): New function.
2261 (vect_set_verbosity_level): New function.
2262 (vectorize_loops): Add call to vect_set_dump_settings.
2264 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2265 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2266 (slpeel_tree_peel_loop_to_edge): Likewise.
2268 (vect_analyze_offset_expr): Call to vect_print_dump_info with
2269 appropriate verbosity level instead of call to vect_debug_details
2270 or vect_debug_stats.
2271 (vect_get_base_and_offset):
2272 (vect_create_addr_base_for_vector_ref):
2273 (get_vectype_for_scalar_type):
2274 (vect_create_data_ref_ptr):
2276 (vect_get_vec_def_for_operand):
2277 (vect_finish_stmt_generation):
2278 (vectorizable_assignment):
2279 (vectorizable_operation):
2280 (vectorizable_store):
2281 (vectorizable_load):
2282 (vect_transform_stmt):
2283 (vect_update_ivs_after_vectorizer):
2284 (vect_do_peeling_for_loop_bound):
2285 (vect_update_inits_of_drs):
2286 (vect_do_peeling_for_alignment):
2287 (vect_transform_loop):
2288 (vect_is_simple_use):
2289 (vect_analyze_operations):
2290 (vect_is_simple_iv_evolution):
2291 (vect_analyze_scalar_cycles):
2292 (vect_analyze_data_ref_dependence):
2293 (vect_analyze_data_ref_dependences):
2294 (vect_compute_data_ref_alignment):
2295 (vect_enhance_data_refs_alignment):
2296 (vect_analyze_data_refs_alignment):
2297 (vect_analyze_data_ref_access):
2298 (vect_analyze_data_ref_accesses):
2299 (vect_analyze_pointer_ref_access):
2300 (vect_get_memtag_and_dr):
2301 (vect_analyze_data_refs):
2302 (vect_mark_relevant):
2303 (vect_stmt_relevant_p):
2304 (vect_mark_stmts_to_be_vectorized):
2305 (vect_can_advance_ivs_p):
2306 (vect_get_loop_niters):
2307 (vect_analyze_loop_form):
2308 (vect_analyze_loop):
2309 (vectorize_loops): Likewise.
2311 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2312 (vect_update_inits_of_drs):
2313 (vect_do_peeling_for_alignment):
2314 (vect_transform_loop):
2315 (vect_analyze_operations):
2316 (vect_analyze_scalar_cycles):
2317 (vect_analyze_data_ref_dependences):
2318 (vect_analyze_data_refs_alignment):
2319 (vect_analyze_data_ref_accesses):
2320 (vect_analyze_data_refs):
2321 (vect_mark_stmts_to_be_vectorized):
2322 (vect_get_loop_niters):
2323 (vect_analyze_loop_form):
2324 (vect_analyze_loop): Likewise.
2325 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2327 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
2331 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
2332 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2333 either -ffast-math or -funsafe-math-optimizations is in use.
2335 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
2336 * config/mips/irix-csr.c: New file.
2337 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2338 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2339 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2342 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
2344 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2345 redundant, incorrect definitions.
2347 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2349 ("*tls_indirect_call"): New, reference hard regs directly.
2350 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2352 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2354 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2355 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2357 2005-02-06 Roger Sayle <roger@eyesopen.com>
2359 PR rtl-optimization/19800
2360 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2361 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2364 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2366 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2368 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
2371 * doc/invoke.texi: Correct documentation of -freorder-functions.
2373 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2376 * doc/invoke.texi: Don't mention gccbug.
2378 2005-02-06 Roger Sayle <roger@eyesopen.com>
2379 Andrew Pinski <pinskia@physics.uc.edu>
2380 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
2382 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2383 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2384 into just (zero_extract:SI FOO (const_int 1) BAR).
2386 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2388 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
2389 macro locally. Don't give last revision date. Use GCC version
2390 number from gcc-common.texi.
2391 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
2392 revision date. Use GCC version number from gcc-common.texi.
2393 Describe being a library as current state rather than as 3.x
2395 * doc/gcc.texi: Remove last update date.
2396 * doc/gccint.texi: Likewise. Update copyright dates.
2397 * doc/install.texi: Update copyright dates.
2399 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2402 * doc/invoke.texi: Mention for each option included in -Wall that
2403 it is included in -Wall.
2404 * doc/gcc.texi: Update copyright and last modification date.
2406 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2408 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2409 unnecessary cast to original induction variable increments.
2411 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2413 PR tree-optimization/18219
2414 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2415 in distributed form.
2417 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
2419 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2420 Set bitpos and offset later in the function. Do nothing if the
2421 target is a register and if the bitfield lies completely outside
2423 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2424 here. Return an uninitialised register if the source value is stored
2425 in a register and the bitfield lies completely outside that register.
2427 2005-02-06 Steven Bosscher <stevenb@suse.de>
2429 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2432 2005-02-06 Marcin Dalecki <martin@dalecki.de>
2434 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2436 2005-02-06 Geoffrey Keating <geoffk@apple.com>
2438 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2439 * config/darwin8.h: New.
2440 * config/darwin7.h: Update comment.
2442 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2443 Dorit Naishlos <dorit@il.ibm.com>
2445 * tree-vectorizer.h (LOC): New type.
2446 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2447 (loop_line_number): New field in struct _loop_vec_info.
2448 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2450 * tree-vectorizer.c (input.h): Included.
2451 (find_loop_location): New function.
2452 (vect_debug_stats): Argument changed from loop to LOC. Computation of
2453 loop line number removed.
2454 (vect_debug_details): Likewise.
2455 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2457 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2458 call to vect_debug_details/stats changed from loop to loop_loc.
2459 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2460 (slpeel_tree_peel_loop_to_edge): Likewise.
2462 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2463 changed from NULL to UNKNOWN_LOC.
2464 (vect_get_base_and_offset):
2465 (vect_create_addr_base_for_vector_ref):
2466 (get_vectype_for_scalar_type):
2467 (vect_create_data_ref_ptr):
2469 (vect_get_vec_def_for_operand):
2470 (vect_finish_stmt_generation):
2471 (vectorizable_assignment):
2472 (vectorizable_operation):
2473 (vectorizable_store):
2474 (vectorizable_load):
2475 (vect_transform_stmt):
2476 (vect_update_ivs_after_vectorizer):
2477 (vect_do_peeling_for_loop_bound):
2478 (vect_do_peeling_for_alignment):
2479 (vect_transform_loop):
2480 (vect_is_simple_use):
2481 (vect_analyze_operations):
2482 (vect_is_simple_iv_evolution):
2483 (vect_analyze_scalar_cycles):
2484 (vect_analyze_data_ref_dependences):
2485 (vect_compute_data_ref_alignment):
2486 (vect_enhance_data_refs_alignment):
2487 (vect_analyze_data_ref_access):
2488 (vect_analyze_data_ref_accesses):
2489 (vect_analyze_pointer_ref_access):
2490 (vect_get_memtag_and_dr):
2491 (vect_analyze_data_refs):
2492 (vect_mark_relevant):
2493 (vect_stmt_relevant_p):
2494 (vect_mark_stmts_to_be_vectorized):
2495 (vect_can_advance_ivs_p):
2496 (vect_get_loop_niters):
2497 (vect_analyze_loop):
2498 (vectorize_loops): Likewise.
2500 (vectorizable_load): Argument in call to vect_debug_details/stats
2501 changed from loop to LOOP_LOC (loop_vinfo).
2502 (vect_transform_loop):
2503 (vect_analyze_operations):
2504 (vect_analyze_scalar_cycles):
2505 (vect_analyze_data_ref_dependence):
2506 (vect_enhance_data_refs_alignment):
2507 (vect_analyze_data_ref_accesses):
2508 (vect_analyze_pointer_ref_access):
2509 (vect_analyze_data_refs):
2510 (vect_analyze_loop): Likewise.
2512 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2513 changed from loop to loop_loc.
2515 (vect_enhance_data_refs_alignment): Removed unused variable loop.
2517 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2518 Dorit Naishlos <dorit@il.ibm.com>
2520 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2522 (vect_analyze_data_ref_dependences): Likewise.
2524 (vect_is_simple_use): Argument changed from loop structure to
2525 loop_vect_info structure.
2526 (vect_can_advance_ivs_p): Likewise.
2527 (vect_create_index_for_vector_ref): Likewise.
2528 (vect_update_ivs_after_vectorizer): Likewise.
2529 (new_stmt_vec_info): Likewise.
2531 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2532 changed from loop to loop_vinfo.
2533 (vect_create_data_ref_ptr): First argument in call to
2534 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2535 (vectorizable_assignment): Second argument in call to vect_is_simple_use
2536 was changed from loop to loop_vinfo.
2537 (vectorizable_operation): Likewise.
2538 (vectorizable_store): Likewise.
2539 (vect_mark_stmts_to_be_vectorized): Likewise.
2540 (vect_do_peeling_for_loop_bound): First argument in call to
2541 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2542 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2543 was changed from loop to loop_vinfo.
2544 (vect_analyze_data_ref_dependences): Third argument in call to
2545 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2547 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2548 (vect_create_data_ref_ptr): Likewise.
2549 (vect_init_vector): Likewise.
2550 (vect_get_vec_def_for_operand): Likewise.
2551 (vectorizable_assignment): Likewise.
2552 (vectorizable_operation): Likewise.
2553 (vectorizable_store): Likewise.
2554 (vectorizable_load): Likewise.
2555 (vect_update_ivs_after_vectorizer): Likewise.
2556 (vect_is_simple_use): Likewise.
2557 (vect_analyze_data_ref_dependence): Likewise.
2558 (vect_analyze_pointer_ref_access): Likewise.
2559 (vect_can_advance_ivs_p): Likewise.
2561 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2562 before _stmt_vec_info.
2563 (_stmt_vec_info): Loop field replaced by loop_vec_info.
2564 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2565 (new_stmt_vec_info): Argument changed from loop structure to
2566 loop_vect_info structure
2568 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2569 (vect_analyze_offset_expr): Avoid 80 columns overflow.
2570 (vect_create_addr_base_for_vector_ref): Likewise.
2571 (vect_analyze_pointer_ref_access): Likewise.
2573 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2576 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2577 phi flag if the phi is abnormal.
2579 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2582 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2583 information for the new statement.
2585 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2588 * gcc.c (main): Include the target in -v output.
2590 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
2592 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2593 Do not drop the extend if we'd have to add a paradoxical subreg
2594 later. Include optabs.h and insn-codes.h.
2595 * Makefile.in (combine.o): Depend on $(OPTABS_H).
2597 2005-02-02 Roger Sayle <roger@eyesopen.com>
2600 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2601 * fold-const.c (const_binop): Avoid constant folding floating
2602 point operations in modes that use composite representations.
2603 * simplify-rtx.c (simplify_binary_operation): Likewise.
2605 2005-02-02 Geoffrey Keating <geoffk@apple.com>
2607 * config/rs6000/altivec.md (altivec_dst): Make the first operand
2609 (altivec_dstt): Likewise.
2610 (altivec_dstst): Likewise.
2611 (altivec_dststt): Likewise.
2612 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2615 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2617 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2618 EXPR_LOCUS from orig_cond to the new cond_stmt.
2619 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2622 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2624 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2625 standard_iv_increment_position. Remove call to bsi_next
2626 (no need to bump the iterator anymore).
2627 (vect_create_index_for_vector_ref): Call
2628 standard_iv_increment_position. Remove second function argument.
2629 (vect_finish_stmt_generation): Remove call to bsi_next
2630 (no need to bump the iterator anymore).
2631 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2632 to vect_create_index_for_vector_ref.
2634 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2636 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2637 phis are used out of the loop.
2639 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2642 * c-decl.c (undef_nested_function): New variable.
2643 (pop_scope): Diagnose undefined nested functions.
2644 (finish_function): Don't attempt cgraph processing or genericizing
2645 if current top-level function contained an undefined nested
2646 function. Reset undef_nested_function at the end of a top-level
2649 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2651 * tree.c (build_int_cst_type): Take sign of the value into account
2652 when deciding whether sign extend the value.
2654 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2657 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2658 (cpp_options, cc1_options): Change %{std*&ansi} to
2659 %{std*&ansi&trigraphs}.
2661 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2663 * cse.c: Update comments.
2665 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
2667 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2668 arguments go on the stack. Do not put complex doubles in odd/even
2671 2005-02-02 Steven Bosscher <stevenb@suse.de>
2673 * doc/invoke.texi: Update the options enabled at -O1, -O2,
2674 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
2675 -ftree-pre, and -fthread-jumps.
2677 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
2679 PR tree-optimization/19578
2680 * tree-flow.h (modified_noreturn_calls): Declare.
2681 (noreturn_call_p): Declare.
2682 * tree-flow-inline.h (noreturn_call_p): New function.
2683 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2684 * tree-cfg.c (modified_noreturn_calls): New variable.
2685 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
2686 that contain a mid-block noreturn call.
2687 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2689 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2691 * df.c (df_def_record_1, df_uses_record): Don't use
2693 * df.h (DF_FOR_REGALLOC): Remove.
2695 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2698 * c-typeck.c (really_start_incremental_init): Reset
2699 constructor_max_index for arrays of incomplete type.
2701 2005-02-02 Jeff Law <law@redhat.com>
2703 * gcse.c (struct reg_set): Store the block index where the register
2704 was set rather than the setting insn.
2705 (record_one_set, compute_transp): Corresponding changes.
2706 (pre_insert_copy_insn): Do not call replace_one_set.
2707 (replace_one_set): Remove.
2709 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2712 * doc/gcov.texi: Fix typo.
2714 2005-02-01 Richard Henderson <rth@redhat.com
2717 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2718 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2720 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2721 * config/i386/i386-protos.h: Update.
2723 2005-02-01 Steven Bosscher <stevenb@suse.de>
2725 PR tree-optimization/19217
2726 * tree-cfg.c (verify_expr): Use the data field to see if TP was
2727 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
2728 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2729 that it is walking a PHI node.
2731 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
2733 * doc/extend.texi (Nested Functions): Update.
2735 2005-02-01 Richard Henderson <rth@redhat.com>
2738 * optabs.c (expand_copysign_absneg): Export.
2739 * optabs.h (expand_copysign_absneg): Declare.
2740 * config/rs6000/rs6000.md (copysigntf3): New.
2742 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2744 PR tree-optimization/19633
2745 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2746 * tree-ssa-alias.c (init_alias_info): Initialize.
2747 (merge_pointed_to_info): Set.
2748 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2749 (dump_points_to_info_for): Show value of pt_null.
2750 (struct count_ptr_d): Declare.
2751 (find_ptr_dereference): Remove.
2752 (ptr_is_dereferenced_by): Remove.
2753 (count_ptr_derefs): New local function.
2754 (count_uses_and_derefs): New local function.
2755 (compute_points_to_and_addr_escape): Call it. If the number
2756 of dereferences is greater than zero, mark the pointer as
2757 dereferenced. If there are fewer dereferences than uses of
2758 the pointer, the pointer's value escapes.
2760 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2762 PR tree-optimization/19670
2763 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2765 (verify_use): ... set it here, instead.
2767 2005-02-01 Janis Johnson <janis187@us.ibm.com>
2769 * doc/sourcebuild.texi (Test directives): Fix formatting.
2771 * doc/sourcebuild.texi (Test directives): Describe selector
2774 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
2776 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2777 specific 64-bit CPUs.
2779 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
2782 * arm.c (arm_eliminable_register): New function.
2783 (adjacent_mem_locations): Don't allow eliminable registers. Use
2784 HOST_WIDE_INT for address offsets.
2785 * arm-protos.h (arm_eliminable_register): Add prototype.
2787 2005-02-01 Steven Bosscher <stevenb@suse.de>
2789 PR optimization/15242
2790 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2791 * basic-block.h (duplicate_computed_gotos): Add prototype.
2792 * bb-reorder.c (duplicate_computed_gotos): New function to
2793 duplicate sufficiently small blocks ending in a computed jump.
2794 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2795 if not optimizing for size.
2796 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2797 never do tail merging for blocks ending in a computed jump.
2798 * doc/invoke.texi: Document the max-goto-duplication-insns param.
2800 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
2802 Patch from Richard Sandiford <rsandifo@redhat.com>
2803 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2804 from inheriting a subreg equivalence with a non-spill register.
2806 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2808 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
2810 * config/frv/frv.c (movcc_fp_destination_operand): New.
2811 (gpr_or_memory_operand): Fix typo in comment.
2812 (gpr_or_memory_operand_with_scratch): New.
2813 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2814 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2815 movcc_fp_destination_operand.
2816 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2817 Legitimize memory addresses using a scratch register.
2819 2005-01-31 Jeff Law <law@redhat.com>
2821 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2822 bitmap a sparse bitmap instead of a simple bitmap.
2823 (mark_def_sites_initialize_block): Corresponding changes.
2824 (ssa_mark_def_sites_initialize_block): Likewise.
2825 (ssa_mark_phi_uses): Likewise.
2826 (mark_def_site, ssa_mark_def_sites): Likewise.
2827 (mark_def_site_blocks): Likewise.
2828 (rewrite_ssa_into_ssa): Likewise.
2830 * tree-ssa-dom.c (record_cond): Pass correct variable type
2831 for last argument to htab_find_slot_with_hash.
2833 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2834 effects when optimizing 0 % X. Do not try to optimize X % 0.
2836 2005-01-31 James E. Wilson <wilson@specifixinc.com>
2838 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2841 2005-02-01 Eric Christopher <echristo@redhat.com>
2843 * config/mips/mips.c (override_options): Warn if -mint64
2845 * doc/invoke.texi (MIPS Options): Document that -mint64 is
2848 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
2850 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
2852 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2853 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2854 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2855 (cached_regno): Initialize to INVALID_REGNUM.
2856 (cse_reg_info_table_size,
2857 cse_reg_info_table_first_uninitialized,
2858 cse_reg_info_timestamp): New.
2859 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2861 (init_cse_reg_info, get_cse_reg_info_1): New.
2862 (get_cse_reg_info): Cache the last look-up.
2863 (new_basic_block): Update the code to clear mappings from
2864 registers to cse_reg_info entries.
2865 (cse_main): Call init_cse_reg_info.
2867 * cse.c (get_cse_reg_info): Update a comment.
2869 2005-01-31 Steven Bosscher <stevenb@suse.de>
2872 * c-decl.c (start_decl): Do not warn about arrays of elements with
2873 an incomplete type here.
2874 (grokdeclarator): Do it here by making a pedwarn an error.
2875 * c-typeck.c (push_init_level): If there were previous errors with
2876 the constructor type, do not warn about braces for initializers.
2877 (process_init_element): Likewise for excess initializer elements.
2879 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
2881 * cse.c (delete_trivially_dead_insn): Don't iterate.
2883 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2885 * config/rs6000/rs6000.md (copysignsf3): New expand.
2886 (copysigndf3): Likewise.
2888 2005-01-31 Steven Bosscher <stevenb@suse.de>
2890 * recog.c (constrain_operands): Only look for earlyclobber operand
2891 conflicts if an '&' constraint was seen.
2893 2005-01-31 Marc Espie <espie@openbsd.org>
2895 * config.gcc: Don't include embedded systems fragment, switches default
2896 debugging format to ELF.
2897 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2898 longer pick it up there.
2900 2005-01-31 Dale Johannesen <dalej@apple.com>
2902 * doc/extend.texi (nested functions): Fix linkage description.
2903 Clarify that static is not allowed.
2905 2005-01-31 Dale Johannesen <dalej@apple.com>
2907 * config/rs6000/darwin.md (movsf_low_di): Make work.
2908 (movdf_low_di): Make work.
2910 2005-01-31 Dale Johannesen <dalej@apple.com>
2912 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2913 Make work for 64 bit.
2915 2005-01-31 Roger Sayle <roger@eyesopen.com>
2916 Dale Johannesen <dalej@apple.com>
2919 * fold-const.c (fold_binary_op_with_conditional_arg):
2920 Make types match original operands, before STRIP_NOPS.
2922 2005-01-31 Alan Modra <amodra@bigpond.net.au>
2924 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2925 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
2926 (struct gcc_sigcontext): Delete. Merge contents to..
2927 (struct gcc_ucontext): ..here.
2928 (get_sigcontext): Delete.
2929 (get_regs): New function, like get_sigcontext but return regs ptr.
2930 64-bit version finds regs from r1 to support vdso.
2931 (ppc_linux_aux_vector): New function.
2932 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
2935 2005-01-31 Ira Rosen <irar@il.ibm.com>
2937 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2939 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2940 redundant fold. Fix misalignment for MINUS_EXPR.
2941 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2942 (vect_analyze_pointer_ref_access): Likewise.
2943 (vect_get_memtag_and_dr): Likewise.
2945 2005-01-31 Richard Henderson <rth@redhat.com>
2947 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2948 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2949 absnegdf2_i387, absnegxf2_i387): Likewise.
2951 2005-01-31 Richard Henderson <rth@redhat.com>
2954 * optabs.c (expand_copysign_absneg): New.
2955 (expand_copysign_bit): Split out from ...
2956 (expand_copysign): ... here. Use expand_copysign_absneg.
2958 2005-01-30 Roger Sayle <roger@eyesopen.com>
2961 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2962 constant as the second operand and a register as the third.
2964 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
2967 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
2968 that dllimport'd functions do not use all call-clobbered registers
2971 2005-01-30 Richard Henderson <rth@redhat.com>
2974 * optabs.c (expand_absneg_bit): Split out from expand_unop and
2975 expand_abs_nojump and generalize. Use operand_subword and
2976 emit_no_conflict_block. Support large modes.
2977 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
2979 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
2980 negation to subtraction.
2981 (expand_copysign): Check that the format has signed zeros.
2982 Use operand_subword and emit_no_conflict_block. Support large modes.
2984 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
2986 Fix PR tree-optimization/19624
2988 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2989 * tree-ssa-pre.c: Add cfgloop.h.
2991 (pre_stats): New member, constified.
2992 (inserted_exprs): New static variable.
2993 (NECESSARY): New macro.
2994 (create_expression_by_pieces): Fold the expression, and
2995 mark it as defaulting to not necessary. Also put in
2997 (fully_constant_expression): New function.
2998 (insert_into_preds_of_block): Modify to not insert phis when we
2999 are playing with induction variables.
3000 Push phis onto the inserted_exprs vector, and mark them as not
3001 necessary by default.
3002 (insert_aux): Call fully_constant_expression on eprime.
3003 If all edges produce the same value, mark it constant.
3004 (mark_operand_necessary): New function.
3005 (remove_dead_inserted_code): New function.
3006 (init_pre): Init loop optimizer to get loop info.
3007 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3008 (execute_pre): Commit edge inserts, then remove dead code.
3010 2005-01-30 Richard Henderson <rth@redhat.com>
3012 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3013 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3015 2005-01-30 Richard Henderson <rth@redhat.com>
3018 * config/i386/i386.c (ix86_expand_copysign): New.
3019 (ix86_split_copysign_const): New.
3020 (ix86_split_copysign_var): Rename from ix86_split_copysign,
3021 rearrange op1/nmask operands.
3022 * config/i386/i386-protos.h: Update.
3023 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3024 (copysigndf3): Likewise.
3025 (copysignsf3_const, copysigndf3_const): New.
3026 (copysignsf3_var): Rename from copysignsf3, split out splitter
3027 and fix split predicate for X constraint.
3028 (copysigndf3_var): Similarly.
3030 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
3032 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3033 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3034 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3036 2005-01-29 Richard Henderson <rth@redhat.com>
3039 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3040 of # and * in constraints.
3042 2005-01-29 Richard Henderson <rth@redhat.com>
3045 * expr.c (store_field): Don't strip sub-mode cast when the input
3046 data is even smaller.
3048 2005-01-29 Richard Henderson <rth@redhat.com>
3051 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3054 2005-01-29 Richard Henderson <rth@redhat.com>
3056 * combine.c (make_field_assignment): Fix argument order
3059 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
3061 PR tree-optimization/15791
3062 * fold-const.c (extract_array_ref): New function.
3063 (fold): Fold comparisons between &a[i] and &a[j] or
3064 semantically equivalent trees.
3066 2005-01-29 Jeff Law <law@redhat.com>
3068 * gcse.c (insert_expr_in_table): Revamp handling of available
3069 and anticipatable occurrence lists to avoid unnecessary list
3071 (insert_set_in_table): Similarly.
3073 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
3075 * c-common.c (fix_string_type): Just use c_build_qualified_type to
3077 (c_build_qualified_type): Build qualified array types with
3078 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3079 * c-decl.c (c_make_fname_decl): Build unqualified array type
3080 before qualified type.
3081 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3082 type is qualified, not just if type itself is. Don't apply
3083 qualifiers to array type when declarator is processed. Apply
3084 qualifiers to field type whether or not it is an array type.
3085 Don't handle array types specially for applying qualifiers to
3087 * c-typeck.c (composite_type): Build unqualified element type and
3088 array type when forming composite of array types.
3089 (common_pointer_type, comptypes, comp_target_types,
3090 type_lists_compatible_p, build_indirect_ref, build_array_ref,
3091 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3093 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3094 (args2) in variables a1 and a2.
3096 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
3098 * cse.c (n_elements_made, max_elements_made): Remove.
3099 (insert): Don't touch n_elements_made.
3100 (cse_main): Don't touch n_elements_made or max_elements_made.
3102 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
3105 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3106 configuration part of dp-bit.c to be lost.
3108 2005-01-28 Roger Sayle <roger@eyesopen.com>
3110 * expmed.c (expand_mult_highpart_optab): When attempting to use
3111 a non-widening multiplication in a wider mode, the operands need
3112 to be converted (zero or sign extended) to that mode.
3114 2005-01-28 Ian Lance Taylor <ian@airs.com>
3118 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3119 through if both operands fall through.
3121 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3123 * cse.c (fold_rtx) <PC>: Don't optimize.
3125 2005-01-28 Jeff Law <law@redhat.com>
3127 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3128 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3130 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3132 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3133 cse_reg_info_used_list_end): Remove.
3134 (cse_reg_info_list, cse_reg_info_list_free): New.
3135 (get_cse_reg_info): When allocating an instance of
3136 cse_reg_info, add it to the beginning of the cse_reg_info_list
3137 list. Remove code to maintain cse_reg_info_used_list.
3138 (new_basic_block): Reset the free list to the beginning of
3141 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
3143 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3144 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3145 (frv_expand_mdpackh_builtin): New function.
3146 (frv_expand_builtin): Use it to expand __MDPACKH.
3147 * doc/extend.texi (__MDPACKH): Update documentation.
3149 2005-01-28 Uros Bizjak <uros@kss-loka.si>
3151 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3152 SSE_FLOAT_MODE_P for use_sse computation.
3154 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
3157 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3159 2005-01-27 Richard Henderson <rth@redhat.com>
3161 * builtins.c (expand_builtin_copysign): New.
3162 (expand_builtin): Call it.
3163 * genopinit.c (optabs): Add copysign_optab.
3164 * optabs.c (init_optabs): Initialize it.
3165 (expand_copysign): New.
3166 * optabs.h (OTI_copysign, copysign_optab): New.
3167 (expand_copysign): Declare.
3169 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3170 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3172 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3173 (ix86_expand_fp_absneg_operator): ... here.
3174 (ix86_split_copysign): New.
3175 * config/i386/i386-protos.h: Update.
3176 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3177 (copysignsf3, copysigndf3): New.
3179 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3180 (copysignsf3, ncopysignsf3): New.
3181 (copysigndf3, ncopysigndf3): New.
3182 (copysignxf3, ncopysignxf3): New.
3183 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3185 2005-01-27 Arend Bayer <arend.bayer@web.de>
3186 Kazu Hirata <kazu@cs.umass.edu>
3188 * cse.c: (find_best_addr): Don't call copy_rtx before calling
3189 fold_rtx. Save cost recomputation if fold_rtx did nothing.
3190 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3193 2005-01-27 Jeff Law <law@redhat.com>
3195 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3196 definitions of SSA_NAMEs which are not being rewritten.
3197 (rewrite_ssa_into_ssa): Only initialize the current definition
3198 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3199 If checking is enabled, assert that SSA_NAME_AUX is clear for all
3200 SSA_NAMEs before returning.
3202 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
3204 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3205 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3206 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3207 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3208 config/mips/iris6.h, config/sh/sh.c: Update copyright.
3210 2005-01-27 Steven Bosscher <stevenb@suse.de>
3213 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3214 higher to -O2 and higher. Likewise for tree PRE.
3215 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3218 2005-01-27 Ian Lance Taylor <ian@airs.com>
3221 * gimple-low.c (try_catch_may_fallthru): New static function.
3222 (block_may_fallthru): Handle TRY_CATCH_EXPR.
3223 * tree-inline.c (expand_call_inline): Don't warn about reaching
3224 the end of a non-void function being inlined if the function uses
3227 2005-01-27 Jakub Jelinek <jakub@redhat.com>
3229 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3232 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3233 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3234 (implicitly_declare): Handle error_mark_node.
3236 2005-01-27 Richard Henderson <rth@redhat.com>
3239 * tree.h (struct tree_decl): Add debug_expr_is_from.
3240 (DECL_DEBUG_EXPR_IS_FROM): New.
3241 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3242 * dwarf2out.c (dwarf2out_var_location): Update to match.
3243 * tree-outof-ssa.c (create_temp): Likewise.
3244 * var-tracking.c (track_expr_p): Likewise.
3245 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3246 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3247 * toplev.c (default_tree_printer): Likewise.
3249 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
3251 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3252 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3254 2005-01-27 Steven Bosscher <stevenb@suse.de>
3256 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3257 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3258 ASM_CLOBBERS): Add tree checks.
3260 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3261 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3262 * c-common.def (SWITCH_STMT): Update to match.
3263 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3264 macros instead of SWITCH_EXPR ones.
3265 * c-dump.c (c_dump_tree): Likewise.
3266 * c-gimplify.c (gimplify_switch_stmt): Likewise.
3267 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3269 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3271 2005-01-27 Alan Modra <amodra@bigpond.net.au>
3273 * unwind-dw2.c (execute_stack_op): Add missing cases for
3274 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3276 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
3278 * config.gcc (Obsolete configurations): Remove 'dummy', add
3279 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3282 2005-01-26 Diego Novillo <dnovillo@redhat.com>
3284 PR tree-optimization/19633
3285 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3287 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3288 are no call-clobbered variables.
3289 * tree-outof-ssa.c (check_replaceable): Return false for calls
3292 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
3294 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3295 even for variables with NULL DECL_INITIAL.
3297 2005-01-26 Stuart Hastings <stuart@apple.com>
3299 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3301 2005-01-26 Richard Henderson <rth@redhat.com>
3304 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3306 * expr.c (store_field): Strip conversions to odd-bit-sized types
3307 if the destination field width matches.
3309 2005-01-26 Richard Henderson <rth@redhat.com>
3311 * c-decl.c, expmed.c, expr.c: Revert last change.
3313 2005-01-26 Richard Henderson <rth@redhat.com>
3316 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3318 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3319 if we don't need the bits above those present in the current mode.
3320 * expr.c (store_field): Strip conversions to odd-bit-sized types
3321 if the destination field width matches.
3323 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3325 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3326 either -ffast-math or -funsafe-math-optimizations is in use.
3328 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
3332 * config/avr/avr.c (notice_update_cc): Only set condition code for
3333 ashrqi3 if shift count > 0.
3334 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3335 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3336 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3337 count <= 0 as a no-op, and shift count >= width by copying zero
3338 or sign bit to all bits of the result.
3339 * config/avr/avr.md (all shifts): Add alternatives for zero shift
3340 count, with attribute "length" set to 0 and "cc" set to "none".
3342 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3344 * doc/invoke.texi: Document -mTLS.
3346 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3347 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3348 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3349 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3350 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3351 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3352 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3353 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3355 * configure.ac: Check for a TLS capable gas.
3357 * configure: Regenerate.
3359 2005-01-26 Richard Henderson <rth@redhat.com>
3362 * combine.c (make_field_assignment): Simplify store to zero_extract
3363 from a source with an overlapping mask.
3365 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3367 2004-11-11 Eric Christopher <echristo@redhat.com>
3369 * config/frv/frv.md: Add fr400_integer automaton. Don't
3370 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3373 2005-01-26 Steven Bosscher <stevenb@suse.de>
3376 * cfgbuild.c (make_edges): Do not clear or set
3377 current_function_has_computed_jump.
3378 * function.h (struct function): Remove the has_computed_jump field.
3379 (current_function_has_computed_jump): Do not define.
3380 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3381 in a computed jump. Ignore current_function_has_computed_jump.
3383 2005-01-26 Richard Henderson <rth@redhat.com>
3386 * expr.c (categorize_ctor_elements): New argument p_must_clear.
3387 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
3389 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3390 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
3391 objects into static storage if they have more than one non-zero value.
3392 * tree.h (categorize_ctor_elements): Update decl.
3394 2005-01-26 Steven Bosscher <stevenb@suse.de>
3397 * tree.h (CALL_EXPR_TAILCALL): Add comment.
3398 * calls.c (check_sibcall_argument_overlap_1): Revert the change
3399 to this function from 2004-07-10.
3400 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3401 the current function for tail call optimizations if the address
3402 of one of it its arguments is taken.
3404 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
3406 * cse.c (fold_rtx): Call equiv_constant only when necessary.
3408 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
3410 * function.c (expand_function_end): If current_function_calls_alloca,
3411 emit stack restore in a place that is reached when the function falls
3414 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
3416 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3417 rule to avoid matching inappropriate suffix rule.
3419 2005-01-26 Jan Hubicka <jh@suse.cz>
3421 PR tree-optimization/19241
3422 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3424 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3426 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3427 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
3429 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3430 <sim*>: Always use crt1.o, regardless of N in simN.
3431 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3432 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3433 (CRT_CALL_STATIC_FUNCTION): Remove.
3434 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3435 use crt1.o, regardless of N in simN.
3436 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3437 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3438 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3439 case isystem setting.
3440 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3442 2005-01-25 Ian Lance Taylor <ian@airs.com>
3444 * gimple-low.c (block_may_fallthru): Correct handling of
3445 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3447 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3449 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3450 handlers to match indentation; nested under the mtune=* handler.
3451 Similar for mcpu= and march=.
3453 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
3455 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3456 * config/mips/linux64.h (LIB_SPEC): Likewise.
3457 * config/mn10300/linux.h (LIB_SPEC): Likewise.
3458 * config/sh/linux.h (LIB_SPEC): Likewise.
3460 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
3462 * config/frv/frv.c (frv_legitimize_tls_address): New.
3463 (TARGET_HAVE_TLS): Define.
3464 (FRV_SYMBOL_REF_TLS_P): Define.
3465 (frv_override_options): Handle new register classes.
3466 (frv_legitimate_address_p): Reject tls addresses.
3467 (frv_legitimize_address): Handle TLS addresses.
3468 (gen_inlined_tls_plt): New.
3470 (frv_legitimize_tls_address): New.
3471 (unspec_got_name): Add TLS entries.
3472 (got12_operand): Add R_FRV_TLSMOFF12 case.
3473 (frv_emit_move): Fixup TLS addresses.
3474 (frv_emit_movsi): Legitimize TLS addresses.
3476 * config/frv/frv.h (MASK_BIG_TLS): New.
3477 (TARGET_BIG_TLS): New.
3478 (HAVE_AS_TLS): Define.
3479 (TARGET_SWITCHES): Add -mTLS and -mtls options.
3480 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3481 (REG_CLASS_NAMES): Same.
3482 (REG_CLASS_CONTENTS): Same.
3483 (CONSTRAINT_LEN): New.
3484 (REG_CLASS_FROM_CONSTRAINT): New.
3485 (PREDICATE_CODES): Add symbolic_operand.
3487 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3488 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3489 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3490 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3491 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3492 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3493 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3494 GR9_REG, GR14_REG, LRREG.
3495 (type): Add load_or_call attribute.
3496 ("load_or_call"): New reservation.
3497 ("call_gettlsoff"): New.
3498 ("tls_indirect_call"): New.
3499 ("tls_load_gottlsoff12"): New.
3500 ("tlsoff_hilo"): New.
3501 ("tls_tlsdesc_ldd"): New.
3502 ("tls_tlsoff_ld"): New.
3505 * config/frv/frv-protos.h (symbolic_operand): Protoize.
3507 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
3509 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3510 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3511 * config/frv/frv.c (TLS_BIAS): Define.
3512 (frv_output_dwarf_dtprel): New.
3514 2005-01-26 Jakub Jelinek <jakub@redhat.com>
3516 PR rtl-optimization/19579
3517 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3518 both A and B, see if they don't clobber registers the other expr uses.
3520 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
3522 * real.c (do_add): Initialize signalling and canonical members.
3524 * real.c (real_from_integer): Zero out destination.
3526 2005-01-18 Jan Hubicka <jh@suse.cz>
3528 PR tree-optimize/19337
3529 * tree-inline.c (initialize_inlined_parameters): Copy
3530 saved_static_chain_decl only.
3532 2005-01-25 Richard Henderson <rth@redhat.com>
3536 * config/i386/i386.c (x86_inter_unit_moves): Zero.
3537 (ix86_preferred_reload_class): Rewrite fp-constant section, with
3538 80387 enabled, to return a proper subclass. Return the subset that
3539 overlaps with GENERAL_REGS for PLUS.
3540 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3542 2005-01-25 Richard Henderson <rth@redhat.com>
3545 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3547 2005-01-25 Roger Sayle <roger@eyesopen.com>
3549 * expmed.c (choose_multiplier): Change interface to return the
3550 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3551 (expand_divmod): Update calls to choose_multiplier.
3553 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3556 * expmed.c (extract_bit_field): Use adjust_address instead of
3557 gen_lowpart when op0 is a MEM.
3559 2005-01-24 Steven Bosscher <stevenb@suse.de>
3561 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3563 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3565 * config/mips/irix-csr.c: New file.
3566 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3567 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3568 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3571 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
3574 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3575 sparc/elf.h, add sparc/sp-elf.h.
3576 (sparc-*-rtems*): Likewise.
3577 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3578 tm-dwarf2.h, add sparc/sp-elf.h.
3579 (sparc86x-*-elf): Likewise.
3580 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3581 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3582 TARGET_OS_CPP_BUILTINS.
3583 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3584 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3586 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3587 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3588 (SWITCH_TAKES_ARG): Likewise.
3589 (LOCAL_LABEL_PREFIX): Likewise.
3590 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3591 (TARGET_N_FORMAT_TYPES): Delete.
3592 (TARGET_FORMAT_TYPES): Likewise.
3593 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3594 * config/sparc/elf.h: Delete.
3595 * config/sparc/sp-elf.h: New file.
3597 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3599 * tree-flow-inline.h (phi_arg_from_edge): Remove.
3600 * tree-flow.h: Remove the corresponding prototype.
3601 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3602 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3604 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3607 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3608 for AIX ABI or ELF -fPIC.
3609 (rs6000_emit_load_toc_table): Don't create toc_section here.
3610 (rs6000_xcoff_file_start): Nor here.
3612 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
3614 * sh.c (ra.h): Don't #include.
3615 (hard_regs_intersect_p): New function, resurrected from ra.c.
3617 * sh.c: Fix 1996 Copyright.
3619 2005-01-24 Richard Henderson <rth@redhat.com>
3620 Aldy Hernandez <aldyh@redhat.com>
3622 * regrename.c (note_sets): Handle subregs.
3624 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
3627 * genconditions.c (write_header, write_conditions): Elide file if
3630 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3632 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3633 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3636 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3638 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3639 expand_builtin_printf, expand_builtin_fprintf,
3640 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3641 checking against POINTER_TYPE.
3642 (validate_arglist): Handle POINTER_TYPE code by checking
3645 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
3647 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3649 (for_each_rtx): Call for_each_rtx_1.
3650 * rtl.h (init_rtlanal): Declare.
3651 * toplev.c (backend_init): Call init_rtlanal.
3653 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3655 * flow.c (propagate_one_insn): Formatting.
3658 * flow.c (libcall_dead_p): Be more conservative if unsure.
3659 If there are any instructions between insn and call, see if they are
3660 all dead before saying the libcall is dead.
3662 2005-01-24 Uros Bizjak <uros@kss-loka.si>
3664 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3665 operand constraint for operand 0.
3667 2005-01-23 Richard Henderson <rth@redhat.com>
3670 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3671 edges leading to join block.
3673 2005-01-23 Roger Sayle <roger@eyesopen.com>
3675 * expmed.c (expand_mult_highpart): Make static. Change type of
3676 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3677 (expand_divmod): Updates calls to expand_mult_highpart by using
3678 gen_int_mode to pass a CONST_INT rtx.
3679 * rtl.h (expand_mult_highpart): Remove prototype.
3681 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3683 * flow.c (regset_bytes, regset_size): Remove.
3685 * cfganal.c: Fix a reference to Harvey's paper.
3687 2005-01-23 Steven Bosscher <stevenb@suse.de>
3689 PR rtl-optimization/19464
3690 * tree-optimize.c (init_tree_optimization_passes): Add one more
3691 copyrename pass just before out-of-ssa.
3693 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
3696 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3697 * ggc-none.c (ggc_free): Define.
3699 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3701 * cse.c (max_reg, max_insn_uid): Remove.
3702 (cse_main): Don't access max_reg or max_insn_uid.
3704 * c-common.c (explicit_flag_signed_bitfields,
3705 lang_statement_code_p, lang_expand_function_end): Remove.
3706 * c-common.h: Remove the corresponding declarations.
3707 * c-opts.c (c_common_handle_option): Remove all write access
3708 to explicit_flag_signed_bitfields.
3710 * cgraph.c (cgraph_varpool_n_nodes): Remove.
3711 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3712 * cgraph.h: Remove the corresponding declaration.
3714 * gcse.c (null_pointer_info): Remove.
3716 2005-01-23 Roger Sayle <roger@eyesopen.com>
3717 Eric Botcazou <ebotcazou@libertysurf.fr>
3719 * combine.c (simplify_logical): Only simplify logical expressions
3720 of the form ior(and(x,y),z) by the inverse distributive law if the
3721 result is cheaper than the original.
3723 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3725 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3726 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3727 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3728 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3729 config/freebsd-spec.h, config/arm/arm.h,
3730 config/h8300/h8300.md, config/i386/i386.md,
3731 config/i386/predicates.md, config/i386/sse.md,
3732 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3733 config/vax/vax.md: Fix comment typos. Follow spelling
3736 2005-01-23 Steven Bosscher <stevenb@suse.de>
3738 * gengtype.c (walk_type): Produce `not equal to' compares for loop
3739 tests, instead of `less than'.
3741 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
3743 * function.c (assign_parm_setup_block): When creating a new stack slot
3744 for a parameter, get its alignment from the parameter's DECL_ALIGN
3745 rather than the type's TYPE_ALIGN. Make sure that the parameter
3746 is at least word aligned.
3748 2005-01-22 Roger Sayle <roger@eyesopen.com>
3751 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3753 2005-01-22 Richard Henderson <rth@redhat.com>
3756 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3757 in both compare operands.
3758 (movdfcc_1_sse_max): Likewise.
3759 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
3760 (movdfcc_1_sse): Likewise.
3761 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3762 scratch register as needed.
3764 2005-01-22 Richard Henderson <rth@redhat.com>
3766 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3768 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3770 2005-01-22 Richard Henderson <rth@redhat.com>
3772 * genopinit.c (optabs): Use smin/smax for floating point too.
3773 * doc/md.texi: Update to match. Clarify that floating point
3774 results are undefined for +0/-0 and NaN.
3775 * doc/rtl.texi: Likewise.
3776 * rtl.def (SMIN, SMAX): Likewise
3777 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3779 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3780 leading 's' to the name.
3781 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3782 smaxxf3, sminxf3): Likewise.
3783 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3786 2005-01-22 Paul Brook <paul@codesourcery.com>
3788 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3790 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
3792 * config/s390/s390.c (struct processor_costs): New fields
3793 dlgr, dlr, dr, dsgfr, dsgr.
3794 (z900_cost, z990_cost): Values for new fields.
3795 (s390_rtx_costs): New cases MEM und COMPARE in switch
3796 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3797 DIV, MOD, UDIV, UMOD.
3799 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3801 * config/s390/s390.md ("doloop_si64"): Reload input value directly
3802 into the register being decremented.
3803 ("doloop_si31", "doloop_di"): Likewise.
3804 ("*doloop_si_long"): Adapt pattern.
3806 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3808 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3810 (CLASS_MAX_NREGS): Likewise.
3812 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
3814 * doc/tree-ssa.texi (Statement Operands): Add example for new
3815 must-def macro. Note deprecation of old operands interface.
3817 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
3819 PR tree-optimization/19484
3820 * tree-cfg.c (remove_fallthru_edge): New function.
3821 (cleanup_control_flow): Remove fallthru edges from calls that are
3822 now known not to return.
3824 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
3826 Fix PR tree-optimization/19038
3827 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3828 copies with loop variant ones.
3830 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
3832 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3833 config/alpha/alpha-protos.h, config/alpha/alpha.h,
3834 config/alpha/alpha.md, config/alpha/predicates.md,
3835 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3836 config/sparc/sol2.h: Update copyright.
3838 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3839 first label to see if it is a nonlocal label.
3841 2005-01-22 David Edelsohn <edelsohn@gnu.org>
3842 Andrew Pinski <pinskia@physics.uc.edu>
3845 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3846 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
3848 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
3850 * config/rs6000/rtems.h: Update copyright.
3852 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
3855 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3856 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3857 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3859 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3862 * c-typeck.c (convert_arguments): Check for error_mark_node.
3864 2005-01-21 Ian Lance Taylor <ian@airs.com>
3866 PR tree-optimization/13000
3867 * tree-inline.c: Include "tree-flow.h".
3868 (expand_call_inline): If warn_return_type, warn if non-void inline
3869 function falls through.
3870 * tree-cfg.c (execute_warn_function_return): Don't warn about
3871 control reaching end if TREE_NO_WARNING is set. Set
3873 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3875 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3876 branch if we don't need one.
3877 * c-typeck.c: Include "tree-flow.h"
3878 (c_finish_bc_stmt): Don't add a goto if the current statement
3879 list doesn't fall through to the current point.
3881 2005-01-21 Roger Sayle <roger@eyesopen.com>
3883 PR rtl-optimization/576
3884 * real.c (real_arithmetic): Change return type from void to bool
3885 to return an indication that the result may be inexact.
3886 * real.h (real_arithmeric): Update prototype.
3887 * fold-const.c (const_binop): Don't constant fold floating
3888 point expressions when the user specifies -frounding-math and
3889 the result may depend upon the run-time rounding mode.
3890 (fold_convert_const_real_from_real): Clean-up.
3891 (fold_initializer): Ignore flag_rounding_math for initializers.
3892 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3893 constant fold FP operations with flag_rounding_math if the
3894 result may depend upon the run-time rounding mode.
3896 2005-01-21 Tom Tromey <tromey@redhat.com>
3898 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3900 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
3902 * tree-cfg.c: Fix comment typos.
3904 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
3906 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3907 around the call to rest_of_handle_branch_target_load_optimize.
3909 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3911 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3912 (sparc64-*-openbsd*): Likewise.
3913 (sparclite-*-elf*): Include tm-dwarf2.h.
3914 (sparc86x-*-elf*): Likewise.
3915 (sparc64-*-elf*): Likewise.
3916 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3917 (DBX_DEBUGGING_INFO): Likewise.
3918 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3919 (PREFERRED_DEBUGGING_TYPE): Likewise.
3920 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3921 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3922 (PREFERRED_DEBUGGING_TYPE): Likewise.
3923 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3924 (PREFERRED_DEBUGGING_TYPE): Likewise.
3925 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3927 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
3930 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3932 2005-01-20 Paul Brook <paul@codesourcery.com>
3934 * doc/rtl.texi: Document value extension requirements for CONST_INT.
3936 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
3938 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3939 label is first in a sequence of labels.
3941 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3943 2005-01-20 Janis Johnson <janis187@us.ibm.com>
3944 Giovanni Bajo <giovannibajo@gcc.gnu.org>
3946 * doc/sourcebuild.texi (Test Directives): New.
3948 2005-01-20 Roger Sayle <roger@eyesopen.com>
3950 * real.c (real_floor): Don't leave the result uninitialized when
3951 mode is VOIDMode, but return the unrounded intermediate value.
3952 (real_ceil): Likewise.
3954 2005-01-20 Paul Brook <paul@codesourcery.com>
3956 * config/arm/arm.md (insv): Use gen_int_mode.
3958 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3960 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3961 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3962 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3963 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3964 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3966 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
3969 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3970 fbreg, so we have to assume we can't.
3971 (loc_descriptor_from_tree_1): Ditto.
3972 (containing_function_has_frame_base): New function.
3973 (add_location_or_const_value_attribute): Use it.
3974 Also try to generate a frame_base from a single element location
3977 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
3979 PR tree-optimization/15349
3980 * timevar.def (TV_TREE_MERGE_PHI): New.
3981 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3983 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3984 calls to tree_forwarder_block_p.
3985 (remove_forwarder_block_with_phi, merge_phi_nodes,
3986 gate_merge_phi, pass_merge_phi): New.
3987 * tree-optimize.c (init_tree_optimization_passes): Add
3989 * tree-pass.h: Add an extern for pass_merge_phi;
3991 2005-01-20 Richard Henderson <rth@redhat.com>
3994 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3995 (_mm_castps_pd, _mm_castps_si128): New.
3996 (_mm_castsi128_ps, _mm_castsi128_pd): New.
3998 2005-01-20 Richard Henderson <rth@redhat.com>
4001 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4002 __builtin_ia32_vec_init_v2si.
4003 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4004 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4005 (ix86_init_mmx_sse_builtins): Create it.
4006 (ix86_expand_builtin): Expand it.
4007 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4008 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4009 (vec_extractv2si_0, vec_extractv2si_1): New.
4011 2005-01-20 Richard Henderson <rth@redhat.com>
4014 * config/i386/i386.c (ix86_expand_push): New.
4015 * config/i386/mmx.md (push<MMXMODE>1): New.
4016 * config/i386/sse.md (push<SSEMODE>1): New.
4017 * config/i386/i386-protos.h: Update.
4019 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4021 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4024 2005-01-20 Richard Henderson <rth@redhat.com>
4026 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4027 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4029 2005-01-19 Richard Henderson <rth@redhat.com>
4032 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4033 to V4SFmode in SSE1 fallback load path.
4035 2005-01-19 Richard Henderson <rth@redhat.com>
4037 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4038 in QImode expansion to ix86_expand_vector_set.
4039 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4041 2005-01-19 Richard Henderson <rth@redhat.com>
4044 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4045 subclass of the input class.
4046 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4047 Always true for cross-SSE1 classes. Rationalize conditionals.
4048 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4049 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
4050 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
4051 (movdi_2): Add MMX/SSE zeros.
4052 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
4053 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4054 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4055 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4056 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4057 (zero_extendsidi2_rex64_1): Remove.
4058 (MOV0 peephole): Check GENERAL_REG_P.
4060 2005-01-19 Richard Henderson <rth@redhat.com>
4063 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4065 (ix86_expand_vector_extract): Likewise.
4067 2005-01-19 Richard Henderson <rth@redhat.com>
4070 * expr.c (emit_move_change_mode): New argument force; use
4071 simplify_gen_subreg if true.
4072 (emit_move_via_alt_mode): Merge into ...
4073 (emit_move_via_integer): ... here.
4074 (emit_move_ccmode): Use emit_move_change_mode directly.
4076 2005-01-19 Richard Henderson <rth@redhat.com>
4079 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4080 (alpha_preferred_reload_class): Handle CONST_VECTOR.
4081 (alpha_emit_set_const_1): Add no_output parameter; don't emit
4083 (alpha_emit_set_const): Likewise. Make static.
4084 (alpha_emit_set_long_const): Make static.
4085 (alpha_extract_integer): Split out from alpha_expand_mov.
4086 (alpha_split_const_mov): Likewise.
4087 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
4088 (alpha_legitimate_constant_p): New.
4089 * config/alpha/alpha-protos.h: Update.
4090 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4091 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4092 * config/alpha/alpha.md (movsi): Add n alternative.
4093 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4094 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4095 (splitters for all of the above): Use alpha_split_const_mov.
4096 * config/alpha/predicates.md (non_add_const_operand): New.
4097 (non_zero_const_operand): New.
4098 (input_operand): Use alpha_legitimate_constant_p after reload.
4100 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4102 PR tree-optimization/19038
4103 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4104 (add_candidate): Add ivs with increment in latch only if
4105 allow_ip_end_pos_p is true.
4106 (determine_iv_cost): Use empty_block_p.
4108 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
4110 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4111 (compute_dominance_frontiers): Ditto.
4113 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
4116 * config/sh/t-rtems: New.
4117 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4119 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4121 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4122 the offset of the selected field.
4124 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
4126 * tree-cfg.c (remove_forwarder_block): Fix the check to
4127 prevent a nonlocal label from appearing in the middle of a
4130 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
4132 PR rtl-optimization/19462
4133 * reorg.c (find_end_label): Create return insn only if
4134 current_function_epilogue_delay_list is empty.
4136 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
4138 * doc/passes.texi: Remove paragraph mentioning new-ra.
4140 2005-01-19 Jakub Jelinek <jakub@redhat.com>
4142 PR rtl-optimization/15139
4143 * combine.c: Include params.h.
4144 (count_rtxs): New function.
4145 (record_value_for_reg): If replace_rtx would replace at least
4146 2 occurrences of REG in VALUE and TEM is really large, replace REG with
4147 (clobber (const_int 0)) instead of TEM.
4148 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4149 * params.h (MAX_LAST_VALUE_RTL): New.
4150 * Makefile.in (combine.o): Depend on $(PARAMS_H).
4151 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4154 * c-typeck.c (digest_init): Only call build_vector if all constructor
4155 elements are *_CST nodes.
4156 * gimplify.c (gimplify_init_constructor): Likewise.
4159 * c-typeck.c (digest_init): Only call build_vector if inside_init
4162 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
4164 * toplev.c (init_asm_output): Remove dead #ifdef.
4166 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
4168 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4170 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4172 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4173 accessing DECL_FUNCTION_CODE.
4174 * dojump.c (do_jump): Likewise.
4175 * gimplify.c (gimplify_call_expr): Likewise.
4176 * predict.c (expr_expected_value): Likewise.
4177 (strip_builtin_expect): Likewise.
4178 * tree-inline.c (estimate_num_insns_1): Likewise.
4179 * tree-ssa-loop-im.c (stmt_cost): Likewise
4180 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4181 (tree_expr_nonnegative_p): Likewise.
4183 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4185 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4186 variant of the load_pcrel_sym pattern.
4187 * config/sparc/sparc.md (P macro): Move to the top.
4188 (load_pcrel_sym): Macroize using P.
4189 (save_register_window): Likewise.
4191 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
4193 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4196 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4199 * c-typeck.c (build_asm_expr): Strip nops off
4200 input memory operands.
4202 2005-01-18 David Edelsohn <edelsohn@gnu.org>
4204 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4205 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4206 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4207 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4209 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
4212 * config/i386/i386.c (override_options): If the 80387 is disabled,
4213 then do not return FP values using FP registers.
4215 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
4217 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4218 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4219 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4220 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4221 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4222 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4223 output.h, postreload-gcse.c, postreload.c, recog.c,
4224 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4225 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4226 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4227 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4228 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4229 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4230 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4231 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4233 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4234 config/alpha/alpha.c, config/arm/vfp.md,
4235 config/i386/emmintrin.h, config/i386/i386-modes.def,
4236 config/i386/i386-protos.h, config/i386/i386.h,
4237 config/i386/pmmintrin.h, config/i386/ppro.md,
4238 config/i386/predicates.md, config/i386/xmmintrin.h,
4239 config/i860/i860.c, config/ia64/ia64-modes.def,
4240 config/ia64/ia64-protos.h, config/ia64/ia64.h,
4241 config/ia64/ia64.md, config/ia64/itanium1.md,
4242 config/ia64/itanium2.md, config/ia64/predicates.md,
4243 config/iq2000/iq2000.h, config/mips/linux64.h,
4244 config/rs6000/aix41.h, config/rs6000/aix43.h,
4245 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4246 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4247 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4248 config/sparc/linux64.h, config/sparc/litecoff.h,
4249 config/sparc/sp64-elf.h, config/sparc/sparc.c,
4250 config/sparc/sparc.h, config/sparc/sparc.md,
4251 config/sparc/sysv4-only.h: Update copyright.
4253 2005-01-18 Richard Henderson <rth@redhat.com>
4256 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4258 2005-01-18 Marc Espie <espie@openbsd.org>
4259 * config/i386/openbsdelf.h: Typo.
4261 2005-01-18 Richard Henderson <rth@redhat.com>
4263 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4264 special case for sse.
4265 * config/i386/predicates.md (sse_comparison_operator): Likewise.
4267 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
4269 * tree-inline.c (estimate_num_insns_1): Added cases for
4270 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4272 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4274 PR rtl-optimization/19296
4275 * combine.c (simplify_comparison): Rewrite the condition under
4276 which a non-paradoxical SUBREG of a PLUS can be lifted when
4277 compared against a constant.
4279 2005-01-18 Andi Kleen <ak@muc.de>
4281 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4282 * c.opt (-Wpointer-sign): Add.
4283 * doc/invoke.texi: (-Wpointer-sign): Add.
4285 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4287 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4288 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4289 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4290 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4291 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4292 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
4293 for TARGET_MIX_SSE_I387.
4294 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4295 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4296 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4297 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4298 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4299 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
4300 TARGET_MIX_SSE_I387.
4301 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4304 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4307 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4308 Add movaps alternative for xmm reg->reg move.
4310 2005-01-17 Jeff Law <law@redhat.com>
4312 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4313 at the end of the main DOM loop rather than just before DOM exits.
4315 2005-01-17 Diego Novillo <dnovillo@redhat.com>
4317 PR tree-optimization/19121
4318 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4319 adding aliases to a name tag, also add them to the pointer's
4321 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4322 sensitive alias info at all. Only check that the two pointers
4323 have compatible pointed-to sets.
4324 * tree-ssa.c (verify_name_tags): Verify that the alias set of
4325 a pointer's type tag is a superset of the alias set of the
4328 2005-01-17 James E Wilson <wilson@specifixinc.com>
4331 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
4332 comment to document why.
4334 2005-01-17 Richard Henderson <rth@redhat.com>
4336 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4337 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4338 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4339 sse2_vmsminv2df3_finite): New.
4340 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4341 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4342 Force op1 into register.
4344 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
4346 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4347 bubblestrap from always rebuilding build directory.
4349 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
4351 * config/s390/s390.md ("*clc"): Remove incorrect '='.
4352 ("*cmpmem_short"): Likewise.
4354 2005-01-17 Steven Bosscher <stevenb@suse.de>
4356 * basic-block.h: Document BB_* flags.
4357 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4358 use an sbitmap instead.
4359 * sched-rgn.c (compute_trg_info): Likewise.
4361 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
4363 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
4364 redundant target_cpu_default and extra_parts lines. Use the default
4366 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4367 (SUBTARGET_EXTRA_SPECS): Delete.
4368 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
4369 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4370 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4371 and "n32" for -mabi=n32.
4373 2005-01-17 Ian Lance Taylor <ian@airs.com>
4376 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4377 fold constant variables into initial values.
4379 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4381 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4383 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4384 through the statements backward.
4386 2005-01-17 Ian Lance Taylor <ian@airs.com>
4388 PR middle-end/13127:
4389 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4390 a variable set to the return value of the inlined function.
4392 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
4394 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4395 when modes are tieable.
4397 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
4399 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4400 of pthread_create to find out if threads are enabled.
4401 * gthr-posix95.h (__gthread_active_p): Likewise.
4403 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4405 * common.opt (-fnew-ra): Remove.
4407 * toplev.h (flag_new_regalloc): Remove.
4408 * Makefile.in (ra*.*): Don't mention.
4409 * passes.c (rest_of_handle_new_regalloc): Remove.
4410 (rest_of_handle_combine, rest_of_compilation): Always consider
4411 flag_new_regalloc as false.
4412 * doc/invoke.texi: Don't document -fnew-ra.
4414 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4416 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4417 last parameter to reg_scan.
4418 * loop.c (loop_optimize): Likewise.
4419 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4420 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4421 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4422 rest_of_handle_gcse, rest_of_handle_loop_optimize,
4423 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4424 * regclass.c (reg_scan): Likewise, for the declaration.
4425 * rtl.h (reg_scan): Likewise, for the prototype.
4427 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4429 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4430 mark_dfs_back_edges.
4432 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
4434 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4435 (compute_avail): Uses don't go in tmp_gen.
4437 2005-01-16 Steven Bosscher <stevenb@suse.de>
4439 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4440 loop to look for a free slot in a page entry.
4442 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4445 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4446 * toplev.c (compile_file): Call process_pending_assemble_output_defs
4447 just before targetm.asm_out.file_end.
4448 * tree.h (process_pending_assemble_output_defs): Declare.
4449 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4451 (assemble_alias): Defer generation of assembly code for defines when
4452 TARGET_DEFERRED_OUTPUT_DEFS is true.
4453 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4454 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4455 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4457 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4460 * pa.c (pa_scalar_mode_supported_p): New function.
4461 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4462 * pa.h (MIN_UNITS_PER_WORD): Add comment.
4464 * pa-protos.h (prefetch_operand): Delete.
4465 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4466 * pa.c (prefetch_operand): Delete.
4467 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4468 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4469 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
4470 and prefetch_nocc_operand.
4471 * pa.md (prefetch): Rework to avoid reload problems handling short
4472 displacements when a cache control completer needs to be provided.
4473 (prefetch_32, prefetch_64): Delete.
4474 (prefetch_cc, prefetch_nocc): New patterns.
4476 2005-01-15 David Edelsohn <edelsohn@gnu.org>
4478 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4480 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4483 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4484 exceeds maximum alignment for global common data.
4485 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4486 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4488 2004-01-15 Roger Sayle <roger@eyesopen.com>
4490 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4492 2004-01-15 Roger Sayle <roger@eyesopen.com>
4494 * harg-reg-set.h (reg_class_names): Prototype global array.
4495 * regclass.c (reg_class_names): Declare here and initialize to
4497 (dump_regclass): Remove local declaration of reg_class_names.
4498 (regclass): Likewise.
4499 * cfg.c (dump_flow_info): Likewise.
4500 * ra-debug.c (reg_class_names): Likewise.
4501 * regrename.c (reg_class_names): Likewise.
4502 * reload.c (reg_class_names): Likewise.
4503 * reload1.c (spill_failure): Likewise.
4504 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4506 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
4508 * config/s390/s390.md ("reload_outti"): Remove predicate for
4509 output operand. Abort if operand is not a MEM.
4510 ("reload_outdi", "reload_outdf"): Likewise.
4512 2005-01-15 Marc Espie <espie@openbsd.org>
4514 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4515 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4516 * config/openbsd.h: Fix C++ includes for native configurations.
4517 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
4518 Add trampoline support.
4519 * config/i386/openbsdelf.h: New.
4521 2005-01-15 Marc Espie <espie@openbsd.org>
4523 * collect2.c (main): Explicitly parse -dynamic-linker option.
4525 2005-01-15 Jakub Jelinek <jakub@redhat.com>
4527 PR tree-optimization/19060
4528 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4529 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4530 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4531 and handle extract_range_from_cond returning false.
4532 * fold-const.c (fold): Optimize comparisons with min/max even for
4533 width > HOST_BITS_PER_WIDE_INT.
4535 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
4537 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4538 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4539 Remove little endian multilib variants.
4540 Add mips32 multilib variant.
4542 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
4544 * explow.c (copy_all_reg, stabilize): Remove.
4545 * expr.h: Remove the corresponding prototypes.
4547 * rtlanal.c (regs_set_between_p): Remove.
4548 * rtl.h: Remove the corresponding prototype.
4550 2005-01-14 David Edelsohn <edelsohn@gnu.org>
4552 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4553 to rs6000_nonimmediate_operand.
4554 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4555 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4556 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4557 rs6000_nonimmediate_operand.
4558 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4559 rs6000_nonimmediate_operand.
4561 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
4563 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4565 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4567 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4569 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4570 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4572 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4573 (rs6k_nonimmediate_operand): New.
4574 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4576 (legitimate_lo_sum_address_p): Same.
4577 (rs6000_legitimize_address): Same.
4578 (rs6000_legitimize_reload_address): Same.
4579 (rs6000_legitimate_address): Same.
4580 (spe_build_register_parallel): Pass DF and DC modes in a DI
4583 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4584 to rs6k_nonimmediate_operand.
4586 * config/rs6000/spe.md ("*frob_df_di"): New.
4587 ("*frob_di_df"): New.
4588 ("*frob_di_df_2"): New.
4589 ("*mov_sidf_e500_subreg0"): New.
4590 ("*mov_sidf_e500_subreg4"): New.
4591 ("*movdf_e500_double"): Change predicate to
4592 rs6k_nonimmediate_operand.
4594 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4596 * postreload.c (move2add_note_store): Only call
4597 trunc_int_for_mode on scalar integers.
4599 2005-01-14 Steven Bosscher <stevenb@suse.de>
4601 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4602 replace BB_VISITED uses.
4603 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4604 (propagate_necessity): Check the bitmap instead of BB_VISITED.
4605 (tree_dce_done): Free visited_control_parents.
4606 (perform_tree_ssa_dce): Allocate and clear it.
4607 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4608 (compute_antic): Iterate from here using a DFS. Use an sbitmap
4609 instead of BB_VISITED.
4611 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
4613 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4614 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4615 Remove unused prototypes.
4617 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4619 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4620 64-bit register usage.
4621 (spe_func_has_64bit_regs_p): Add FIXME note.
4623 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4625 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4626 flag_finite_math_only with flag_unsafe_math_optimizations.
4628 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
4630 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4632 (__tpf_eh_return): Copy TPF private stack area from the module
4633 boundary stack frame. Add check for when module addresses are
4634 equal, but no stub address is found.
4636 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
4639 * arm.h (struct machine_function): Add call_via field.
4640 (thumb_call_via_label): Declare.
4641 * arm.c (thumb_call_via_label): New variable.
4642 (thumb_call_reg_needed): New variable.
4643 (arm_output_function_epilogue): For Thumb code, output any per-function
4644 call-indirect trampolines.
4645 (thumb_call_via_reg): New function.
4646 (arm_file_end): New function.
4647 (TARGET_ASM_FILE_END): Call arm_file_end.
4648 (aof_file_end): Likewise.
4649 * arm-protos.h (thumb_call_via_reg): Declare.
4650 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4651 thumb_call_via_reg in normal case.
4653 2005-01-14 Jakub Jelinek <jakub@redhat.com>
4656 PR rtl-optimization/19348
4657 * recog.c (peephole2_optimize): Do global life update if some peephole
4658 decides it doesn't need at least one of its inputs and that change
4659 influences liveness at the start of the basic block.
4661 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4662 arguments instead of 1.
4664 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
4667 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4668 zero for nested functions needing a static chain or functions
4669 with a non-constant address.
4671 2005-01-13 Roger Sayle <roger@eyesopen.com>
4673 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4674 (and (sign_extend X) C) into (zero_extend (and X C)).
4676 2005-01-13 David O'Brien <obrien@FreeBSD.org>
4678 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
4680 2005-01-13 Richard Henderson <rth@redhat.com>
4685 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4686 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4687 not just TARGET_SSE.
4688 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
4689 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4690 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4691 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4692 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4693 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4694 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4695 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4696 (movdicc_c_rex64): Rename with '*'.
4697 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4698 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4699 (movsfcc_1_387): Rename from movsfcc_1.
4700 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4701 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4702 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4703 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4704 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4705 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4706 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4707 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4708 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4709 sse_movdfcc_const0_4): Remove.
4710 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4711 recognize min/max early. Update for changed sse cmove patterns.
4712 (ix86_split_sse_movcc): New.
4713 * config/i386/i386-protos.h: Update.
4715 2005-01-13 Steven Bosscher <stevenb@suse.de>
4717 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4718 (fix_stmt_v_may_defs): Likewise.
4720 2005-01-13 Richard Henderson <rth@redhat.com>
4722 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4723 for converting the mask.
4725 2005-01-13 David Edelsohn <edelsohn@gnu.org>
4727 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4730 2005-01-13 Richard Henderson <rth@redhat.com>
4732 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4733 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4734 IX86_BUILTIN_MOVDQ2Q): Remove.
4735 (IX86_BUILTIN_VEC_EXT_V4SI): New.
4736 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4737 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4739 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4740 (sse2_pextrw): Fix immediate constraint.
4741 (sse2_loadq, sse2_loadq_rex64): Remove.
4742 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4743 Use __builtin_ia32_vec_ext_<size>.
4744 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4746 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
4748 * function.c (assign_parm_setup_block): Look inside original
4749 entry_parm when inspecting PARALLEL.
4751 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4752 Joel Sherrill <joel@oarcorp.com>
4755 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4756 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4757 rtems_gxx_recursive_mutex_init.
4758 (__gthread_recursive_mutex_lock): New function.
4759 (__gthread_recursive_mutex_trylock): Likewise.
4760 (__gthread_recursive_mutex_unlock): Likewise.
4762 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4764 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4766 2005-01-13 Jan Beulich <jbeulich@novell.com>
4768 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4769 (ashrti3_internal): Indicate output is early clobber. Generate result
4770 into output rather than first input. Use move for low word of output
4771 if shift count is exactly 64.
4772 (lshrti3_internal): Likewise.
4774 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
4778 * reload1.c (delete_output_reload): Don't delete an output reload
4779 if the pseudo lives longer than a single basic block. Adjust and
4780 improve wording of comment.
4782 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
4785 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4786 of TYPE_SIZE where we mean the number of bytes.
4788 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
4790 * function.c (assign_parm_setup_block): Relax condition on
4791 multi-register optimization.
4793 2005-01-12 Nick Clifton <nickc@redhat.com>
4795 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4796 an "in_delay_slot" attribute of "no" to prevent them being used in
4797 delay slots. This is forbidden because they might generate
4800 2005-01-12 Alan Modra <amodra@bigpond.net.au>
4803 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4806 2005-01-12 Nick Clifton <nickc@redhat.com>
4808 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4809 passed on to GAS) but do not define, as GAS no longer supports or
4810 needs the -m2000 option.
4812 2005-01-11 Roger Sayle <roger@eyesopen.com>
4814 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4815 type as args of unprototyped builtins aren't automatically promoted.
4816 (fold_builtin_abs): Likewise.
4818 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4820 * Makefile.in: Set a `build-warn' variable.
4822 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4824 PR tree-optimization/17949
4825 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4826 (find_interesting_uses_address): Use it.
4828 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
4830 * regrename.c (kill_value): Handle subreg's that won't simplify.
4832 2005-01-11 Richard Henderson <rth@redhat.com>
4835 * config/i386/i386.h (enum ix86_builtins): Move ...
4836 * config/i386/i386.c: ... here.
4837 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4838 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4839 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4840 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4841 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
4842 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4843 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4844 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4845 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4846 IX86_BUILTIN_LOADDDUP): Remove.
4847 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4848 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4849 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4850 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4851 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4852 (ix86_init_builtins): Make static.
4853 (ix86_init_mmx_sse_builtins): Update for changed builtins.
4854 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4855 if all the modes match. Otherwise, fake it.
4856 (get_element_number, ix86_expand_vec_init_builtin,
4857 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4858 (ix86_expand_builtin): Make static. Update for changed builtins.
4859 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4860 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
4861 (ix86_expand_vector_init_duplicate): New.
4862 (ix86_expand_vector_init_low_nonzero): New.
4863 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4864 Split out from ix86_expand_vector_init; handle integer modes.
4865 (ix86_expand_vector_init): Use them.
4866 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4867 * config/i386/i386-protos.h: Update.
4868 * config/i386/predicates.md (reg_or_0_operand): New.
4869 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4870 (movv2sf_internal): Likewise. And a splitter to match them all.
4871 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4872 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4873 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4874 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4875 (mmx_pinsrw): Fix operand ordering.
4876 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4877 rather than sse_loadss expander.
4878 (movv2df splitter): Similarly.
4879 (sse_loadss, sse_loadlss): Remove.
4880 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4881 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4882 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4883 (sse3_movddup): Rename with '*'.
4884 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4885 (sse2_loadsd): Remove.
4886 (vec_dupv2df_sse3): Rename from sse3_loadddup.
4887 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4888 (sse2_pinsrw): Fix argument ordering.
4889 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4890 (sse2_stored): Remove 'r' destination.
4891 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4892 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4893 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4894 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4895 vec_extractv16qi, vec_initv16qi): New.
4897 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4898 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4899 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4901 (_mm_load_pd, _mm_store_pd): Use plain dereference.
4902 (_mm_load_si128, _mm_store_si128): Likewise.
4903 (_mm_load1_pd): Use _mm_set1_pd.
4904 (_mm_load_sd): Use _mm_set_sd.
4905 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4906 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4907 (_mm_set_epi64): Use _mm_set_epi64x.
4908 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4909 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4910 _mm_setr_epi8): Use _mm_set_foo form.
4911 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4912 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4913 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4914 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4915 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4916 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4917 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4918 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4919 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4920 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4921 (_mm_movedup_pd): Use _mm_shuffle_pd.
4922 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4923 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4924 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4925 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4927 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4928 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4929 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4930 (_mm_store_ps): Use raw dereference.
4931 (_mm_store1_ps): Use _mm_storeu_ps.
4932 (_mm_storer_ps): Use _mm_store_ps.
4933 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4934 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4936 2005-01-11 Stan Shebs <shebs@apple.com>
4938 * config/rs6000/rs6000.c (machopic_output_stub): Issue
4939 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4941 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4944 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4945 Skip all DECLs except for FIELD_DECLs.
4947 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
4949 * config/s390/s390.c (override_options): Return error if
4950 -mbackchain, -mpacked-stack and -mhard-float are used together.
4951 (s390_va_start): Remove the backchain && packed-stack special case.
4952 (s390_gimplify_va_arg): Likewise.
4953 * doc/invoke.texi: Remove the ABI incompatibility note.
4955 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
4957 * config/s390/s390.c (struct s390_frame_layout): Remove
4959 (s390_frame_info, s390_emit_prologue): Replace occurrences of
4960 save_backchain_p with TARGET_BACKCHAIN.
4962 2005-01-11 Alan Modra <amodra@bigpond.net.au>
4965 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4966 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4967 * function.c (locate_and_pad_parm): Set new field.
4968 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4969 Tweak where_pad test to include "none". Always set mem align for
4971 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4972 not sufficient for type.
4973 (assign_parm_setup_block): If stack_parm is zero on entry, always
4974 make a new stack local. Block move old stack parm if necessary
4975 to new aligned stack local.
4976 (assign_parm_setup_stack): Use a block move to handle
4977 potentially misaligned entry_parm.
4978 (assign_parms_unsplit_complex): Specify required alignment when
4979 creating stack local.
4980 * calls.c (compute_argument_addresses): Override alignment of stack
4981 arg calculated from its type with the alignment given by
4982 FUNCTION_ARG_BOUNDARY.
4983 (store_one_arg): Likewise.
4985 2005-01-11 Jan Beulich <jbeulich@novell.com>
4987 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4988 Change respective itanium_class attribute to ialu.
4989 (shladdp4_internal): New.
4990 * config/ia64/predicates.md (shladd_log2_operand): New.
4992 2005-01-11 Richard Henderson <rth@redhat.com>
4994 * expr.c (store_constructor): Use rtvec_alloc instead of
4995 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4997 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
4999 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5001 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5003 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5004 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5005 (TARGET_RWRELOC): Define.
5006 (ia64_rwreloc_section_type_flags): Delete.
5007 (ia64_section_type_flags): New function.
5008 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5009 (TARGET_RWRELOC): Define.
5011 2005-01-10 David Mosberger <davidm@hpl.hp.com>
5014 * config/ia64/ia64.c (process_set): For alloc insn, only call
5015 process_epilogue is !frame_pointer_needed.
5017 2005-01-10 Roger Sayle <roger@eyesopen.com>
5020 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5021 unary operator and can't be treated as a binary/comparison operator.
5023 2005-01-10 Richard Henderson <rth@redhat.com>
5025 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5026 (ix86_return_in_memory): Likewise.
5027 (function_arg_advance): Likewise. Mirror structure in function_arg
5028 for choosing register to advance.
5030 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
5032 * tree-vectorizer.c, tree.def: Fix comment typos.
5034 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
5036 * config/s390/s390.c (struct processor_costs): 4 new fields:
5037 ddbr, ddr, debr, der.
5038 (s390_rtx_costs): More precise handling of divide instructions.
5040 2005-01-10 David Edelsohn <edelsohn@gnu.org>
5042 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5044 2005-01-10 Jan Beulich <jbeulich@novell.com>
5046 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5047 names resulting from -ffunction-sections/-fdata-sections and linkonce
5049 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5050 based on the section name. Rearrange the section name comparison logic
5051 slightly so that each section name is compared against at most once.
5053 2005-01-10 Ben Elliston <bje@au.ibm.com>
5055 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5056 targets for which -fPIC reduces limitations on the GOT size.
5058 2005-01-09 Falk Hueffner <falk@debian.org>
5060 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5063 2005-01-09 David Edelsohn <edelsohn@gnu.org>
5066 * collect2.c (main): Set aixrtl_flag for -brtl option.
5067 (resolve_lib_name): Search for .so file extension before .a
5070 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
5072 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5073 (vect_analyze_data_refs_alignment): Add dump prints.
5075 2005-01-09 Ira Rosen <irar@il.ibm.com>
5077 * tree-vectorizer.c (vect_analyze_offset_expr): Use
5078 expr_invariant_in_loop_p.
5079 Initialize outputs first thing in the function.
5080 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5081 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5082 (vect_analyze_pointer_ref_access): Check that the initial condition of
5083 the access function is loop invariant.
5085 2005-01-09 Richard Henderson <rth@redhat.com>
5087 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5088 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
5089 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
5090 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5091 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5092 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5093 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5094 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5095 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5096 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5097 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5098 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5099 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5100 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5101 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5102 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5103 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5104 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5105 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5106 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5107 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5108 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5109 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5111 (mmx_clrdi, pavgusb): Remove.
5112 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5113 with leading sse_ prefix.
5114 * config/i386/sse.md: Receive them.
5115 * config/i386/mmx.md: New file.
5116 (MMXMODE12, MMXMODE24, mmxvecsize): New.
5117 (subrv2sf3): Turn into expander for normal subtraction.
5118 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5119 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5120 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5121 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5122 commutative; use ix86_binary_operator_ok.
5123 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5124 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5125 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5126 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5127 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5128 Macroize from existing patterns; use ix86_binary_operator_ok.
5129 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5130 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5131 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
5132 with vec_select+vec_concat.
5133 (mmx_pshufw, mmx_pshufw_1): Likewise.
5134 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
5135 (mmx_uavgv4hi3): Model correctly.
5136 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5137 _mm_xor_si64): Remove casts.
5139 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5141 PR tree-optimization/19224
5142 * tree-scalar-evolution.c (get_instantiated_value,
5143 set_instantiated_value): New functions.
5144 (instantiate_parameters_1): Cache the results.
5145 (instantiate_parameters, resolve_mixers): Initialize and free
5148 2005-01-08 David Edelsohn <edelsohn@gnu.org>
5150 * config/i386/i386.md (addhi_4): Correct reference in comment.
5153 2005-01-08 Richard Henderson <rth@redhat.com>
5155 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5156 (_mm_cvtsi128_si64x): Likewise.
5157 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5158 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5159 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5160 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5161 * config/i386/i386-protos.h: Update.
5162 * config/i386/i386.c (print_operand): Add 'H'.
5163 (ix86_fixup_binary_operands): Split out from ...
5164 (ix86_expand_binary_operator): ... here.
5165 (ix86_fixup_binary_operands_no_copy): New.
5166 (ix86_expand_fp_absneg_operator): Handle vector mode results.
5167 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5168 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5169 (safe_vector_operand): Use CONST0_RTX.
5170 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5171 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5172 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
5173 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
5175 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5176 (IX86_BUILTIN_CMPNGESS): New.
5177 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5178 (attr type): Add sselog1.
5179 (attr unit, attr memory): Handle it.
5180 (movti, movti_internal, movti_rex64): Move near other integer moves.
5181 (movtf, movtf_internal): Move near other fp moves.
5182 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5183 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5184 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5185 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5186 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5187 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5188 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5189 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5190 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5191 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5192 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5193 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5194 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5195 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5196 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5197 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5198 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5199 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5200 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5201 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5202 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5203 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5204 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5205 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5206 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5207 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5208 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5209 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5210 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5211 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5212 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5213 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5214 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5215 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5216 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5217 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5218 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5219 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5220 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5221 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5222 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5223 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5224 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
5225 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5227 (SSEPUSH, push<SSEPUSH>): Remove.
5228 (MMXPUSH, push<MMXPUSH>): Remove.
5229 (sse_movaps, sse_movaps_1, sse_movups): Remove.
5230 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5231 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5232 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5233 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5234 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5235 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5236 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5237 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5238 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5239 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5240 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
5241 (ppro_sse_log_V4SF): Handle sselog1.
5242 * config/i386/predicates.md (const_0_to_1_operand): New.
5243 (const_0_to_255_mul_8_operand): New.
5244 (const_1_to_31_operand): Rename from const_int_1_31_operand.
5245 (const_2_to_3_operand, const_4_to_7_operand): New.
5246 * config/i386/sse.md: New file.
5247 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5248 (sse_movups): Rename from sse_movups_1.
5249 (sse_loadlss): Rename from sse_loadss_1.
5250 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5252 (negv4sf2): Use ix86_expand_fp_absneg_operator.
5253 (absv4sf2, negv2df, absv2df): New.
5254 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5255 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5256 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5257 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5258 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5259 (sse3_addsubv4sf3): Model correctly.
5260 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5261 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5262 (sse_movhlps): Model with vec_select+vec_concat.
5263 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5264 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5265 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5266 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5267 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5268 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5269 sse2_pshufhw_1): Likewise.
5270 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5271 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5272 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5273 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5274 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5275 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5276 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5277 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5278 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5279 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5280 sminv8hi3): Mark commutative
5281 operands. Use ix86_binary_operator_ok.
5282 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5283 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5284 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5285 sse2_punpcklqdq): Allow operand2 in memory.
5286 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5287 sse2_movsd): Add memory alternatives.
5288 (sse_storelps): Turn expander into an insn; split after reload.
5289 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5290 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5292 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5294 * configure.ac (DWARF-2 debug_line): Use objdump.
5295 * configure: Regenerate.
5297 2005-01-08 Jeff Law <law@redhat.com>
5298 Diego Novillo <dnovillo@redhat.com>
5300 PR tree-optimization/18241
5301 * tree-nrv.c (tree_nrv): Ignore volatile return values.
5302 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5303 statements with volatile operands.
5304 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5305 operands after marking a statement with has_volatile_ops.
5307 2005-01-08 Roger Sayle <roger@eyesopen.com>
5309 * tree.c (int_fits_type_p): Always honor integer constant
5310 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5312 2005-01-08 Roger Sayle <roger@eyesopen.com>
5314 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5315 the latent bug in rtl_delete_block has been resolved.
5317 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5319 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5320 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5322 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5324 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5325 library as @multilib_dir@/$(SHLIB_SONAME).
5327 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5329 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5330 * configure: Regenerate.
5332 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5334 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5337 2005-01-07 David Edelsohn <edelsohn@gnu.org>
5340 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5341 Convert non-word aligned offset address using ld/std into
5344 2005-01-07 Richard Henderson <rth@redhat.com>
5346 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5348 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
5350 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5352 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5354 PR tree-optimization/19283
5355 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5356 is not shorter than the original type.
5358 PR rtl-optimization/19012
5359 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5361 PR rtl-optimization/18861
5362 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5363 (FULL_STATE): Define.
5364 (mark_tablejump_edge): New function.
5365 (purge_dead_tablejump_edges): New function.
5366 (find_bb_boundaries): Use it.
5368 PR tree-optimization/18828
5369 * builtins.c (expand_builtin_next_arg): Remove argument and all
5370 the argument checking.
5371 (expand_builtin): Adjust caller.
5372 (expand_builtin_va_start): Likewise. Remove error for too many
5374 (fold_builtin_next_arg): Issue error for too many arguments.
5375 After checking arguments, replace them with magic arguments that
5376 prevent further checking of the args.
5378 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5380 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5382 2005-01-06 Roger Sayle <roger@eyesopen.com>
5385 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5386 and %{.S:...} (and their negative variants) to test whether the
5387 input file is assembler or pre-processed-assembler independent of
5388 the actual filename extension.
5390 2005-01-06 Roger Sayle <roger@eyesopen.com>
5392 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5393 of sign or zero extended values.
5395 2005-01-06 Geoffrey Keating <geoffk@apple.com>
5397 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5398 for IBM long double format correctly.
5400 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
5402 Fix PR tree-optimization/18792
5404 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5405 to first_loop_depth, and use loop depth instead of loop number.
5406 (build_classic_dir_vector): Ditto.
5407 (compute_data_dependences_for_loop): Use depth, not loop number.
5408 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5409 number. Pass in loops, instead of loop numbers.
5410 (gather_interchange_stats): Ditto.
5411 (linear_transform_loops): Ditto.
5413 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
5416 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5417 biv_fits_mode_p, extension_within_bounds_p): New functions.
5418 (check_ext_dependent_givs): Use them.
5420 2005-01-06 Roger Sayle <roger@eyesopen.com>
5422 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5423 more than one barrier, in which case we should delete them all.
5425 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
5427 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5429 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
5431 Fix PR middle-end/19286
5433 * dwarf2out.c (gen_subprogram_die): If we've already tried to
5434 output this subprogram, simply ignore this attempt to do it again.
5435 (add_abstract_origin_attribute): Don't abort trying to add the abstract
5436 origin attribute if it's not possible.
5437 (gen_block_die): Don't ignore subblocks of "unused" blocks.
5438 (decls_for_scope): Ditto.
5439 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5440 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5442 2005-01-05 Richard Henderson <rth@redhat.com>
5445 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5446 (bdesc_2arg): Use it.
5447 (ix86_expand_binop_builtin): Force operands into registers
5449 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5450 ix86_expand_sse_compare, ix86_expand_sse_comi,
5451 ix86_expand_builtin): Likewise.
5453 2005-01-05 Richard Henderson <rth@redhat.com>
5455 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5457 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5458 (mulv4hi3): Set itanium_class mmmul.
5459 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5460 (fpack): Rename from fpack_sfsf.
5462 2005-01-05 Richard Henderson <rth@redhat.com>
5465 * reload1.c (do_input_reload): Restrict the optimization deleteing
5466 a previous output reload to RELOAD_FOR_INPUT.
5468 2005-01-05 Steven Bosscher <stevenb@suse.de>
5470 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
5471 comment that we fall through after case.
5472 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5473 (distribute_links): Likewise.
5474 * cse.c (cse_insn): Likewise.
5475 * cselib.c (cselib_invalidate_mem): Likewise.
5476 * df.c: Update comments at the top of the file.
5477 (read_modify_subreg_p): Update comments here too.
5478 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5479 * flow.c (mark_set_1): Likewise.
5480 (mark_used_regs): Likewise.
5481 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5482 (canon_list_insert): Likewise.
5483 (mark_set): Likewise.
5484 (try_replace_reg): Likewise.
5485 (store_killed_in_insn): Likewise.
5486 * loop.c (count_one_set): Likewise.
5487 (basic_induction_var): Likewise.
5488 * postreload-gcse.c (find_mem_conflicts): Likewise.
5489 * postreload.c (reload_combine_note_store): Likewise.
5490 (move2add_note_store): Likewise.
5491 * reload.c (find_equiv_reg): Likewise.
5492 (mark_referenced_resources): Likewise.
5493 * rtlanal.c (set_noop_p): Likewise.
5494 (note_stores): Likewise.
5495 (note_uses): Likewise.
5496 * sched-deps.c (sched_analyze_1): Likewise.
5497 * sched-rgn.c (check_live_1): Likewise.
5498 (update_live_1): Likewise.
5499 * config/i860/i860.c: Likewise.
5501 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5503 (ZERO_EXTRACT): Mention that this one can be an lvalue.
5505 * doc/rtl.texi: Update documentation for bit-fields and SET.
5507 2005-01-05 Roger Sayle <roger@eyesopen.com>
5509 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5511 2005-01-05 Jan Hubicka <jh@suse.cz>
5512 Richard Henderson <rth@redhat.com>
5515 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5518 2005-01-05 Richard Henderson <rth@redhat.com>
5521 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5522 (sse_shufps): Change operand 3 to const_int_operand.
5523 (sse2_storelps): Fix typo in template.
5524 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5525 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5526 (ix86_expand_builtin): Likewise.
5528 2005-01-05 Julian Brown <julian@codesourcery.com>
5530 * config/arm/arm.c (arm_return_in_memory): Treat complex types
5531 as aggregates for AAPCS ABIs.
5533 2005-01-05 Stan Shebs <shebs@apple.com>
5535 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5536 Mach-O getters if ppc64.
5537 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5539 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5540 signed four-byte field for global code case.
5541 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5543 2005-01-05 Roger Sayle <roger@eyesopen.com>
5546 * c-common.c: Include real.h.
5547 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5548 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5549 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5550 * Makefile.in (c-common.o): Update dependencies.
5552 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5554 * c-parse.in (asm_string): Add trailing semicolon.
5556 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5558 * c-parse.in (asm_string): New. Don't allow wide strings in
5560 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5561 asm_string instead of STRING.
5563 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5565 * c-typeck.c (constructor_no_implicit): Remove.
5566 (set_designator, process_init_element): Don't check
5567 constructor_no_implicit.
5569 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
5570 Kaz Kojima <kkojima@gcc.gnu.org>
5573 * lcm.c (create_pre_exit): New.
5574 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5575 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
5577 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5579 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5580 -msoft-float in target_float_switch.
5581 * arm.c (arm_override_options): Fix processing of target_float_switch.
5583 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5585 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5588 2004-01-05 Uros Bizjak <uros@kss-loka.si>
5590 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5591 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5593 2005-01-04 Roger Sayle <roger@eyesopen.com>
5595 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5596 if deleting the then-block allows the test-block to fallthru to the
5599 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
5602 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5603 after the full declaration if the are in two different TUs.
5605 2005-01-04 Richard Henderson <rth@redhat.com>
5608 * tree-sra.c (generate_one_element_init): Just
5609 call gimplify_and_add.
5610 (generate_element_init): Record the
5611 new referenced variables and mark them for renaming
5612 and split out to ...
5613 (generate_element_init_1): This.
5614 (scalarize_init): Don't call push_gimplify_context/
5615 pop_gimplify_context.
5617 2005-01-04 Geoffrey Keating <geoffk@apple.com>
5619 * toplev.c (get_src_pwd): Handle failure of getpwd().
5621 2005-01-04 Roger Sayle <roger@eyesopen.com>
5623 * fold-const.c (fold_single_bit_test): Delete unreachable handling
5625 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5626 all the cases handled by it are inverted by invert_truthvalue.
5628 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5630 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5631 (save_register_windowsi): Likewise.
5633 2005-01-04 Richard Henderson <rth@redhat.com>
5635 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5637 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5640 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5641 any simplifications of vector mode comparison operators.
5642 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5644 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
5645 Devang Patel <dpatel@apple.com>
5647 PR tree-optimization/18308
5648 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5649 the operands before creating a new expression.
5650 * dojump.c (do_jump): Make drop_through_label available
5651 for all cases. Add expansion of COND_EXPR.
5653 2005-01-04 Ira Rosen <irar@il.ibm.com>
5655 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5656 INTEGER_CST instead of TREE_CONSTANT.
5657 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5658 instead of TREE_CONSTANT.
5659 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5660 instead of TREE_CONSTANT.
5662 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5664 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5666 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5669 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5670 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5672 2005-01-03 Richard Henderson <rth@redhat.com>
5674 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5675 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5676 fold_convert_const_real_from_real): Split out from ...
5677 (fold_convert_const): ... here.
5679 2005-01-03 Richard Henderson <rth@redhat.com>
5682 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5683 (mov<MMXMODEI>_internal): Likewise.
5684 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5685 Add V2SF case; use it for SSE1; don't use TI.
5686 (movdf_integer): Likewise.
5687 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5689 2005-01-03 Ira Rosen <irar@il.ibm.com>
5691 * tree-vectorizer.c (vect_strip_conversions): New function.
5692 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5693 check for binary class.
5695 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
5699 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5701 * gimple-low.c (mark_blocks_with_used_vars): New function.
5702 (mark_blocks_with_used_subblocks): Ditto.
5703 (mark_used_blocks): Ditto.
5704 (pass_mark_used_blocks): New pass.
5705 * tree-inline.c: Include debug.h.
5706 (expand_call_inline): Call outlining_inline_function here.
5707 * tree-optimize.c (init_tree_optimization_passes): Add
5708 pass_mark_used_blocks.
5709 * tree-pass.h (pass_mark_used_blocks): New.
5710 * Makefile.in (tree-inline.o): Add debug.h dependency.
5712 2005-01-03 Geoffrey Keating <geoffk@apple.com>
5714 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5715 VAR_DECLs to have weak_import attribute.
5717 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5720 2004-01-03 Steven Bosscher <stevenb@suse.de>
5722 * passes.c (rest_of_compilation): Don't run regmove if only
5723 flag_expensive_optimizations, require flag_regmove instead.
5725 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5727 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5729 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5730 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5731 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5732 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5734 2005-01-03 Richard Henderson <rth@redhat.com>
5736 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5737 (ia64_const_ok_for_letter_p): New.
5738 (ia64_const_double_ok_for_letter_p): New.
5739 (ia64_extra_constraint): New.
5740 (ia64_expand_vecint_compare): New.
5741 (ia64_expand_vcondu_v2si): New.
5742 (ia64_expand_vecint_cmov): New.
5743 (ia64_expand_vecint_minmax): New.
5744 (ia64_print_operand): Add 'v'.
5745 (ia64_preferred_reload_class): New.
5746 (ia64_vector_mode_supported_p): New.
5747 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5748 (PREFERRED_RELOAD_CLASS): Move to function.
5749 (CONST_OK_FOR_LETTER_P): Move to function.
5750 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5751 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5752 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5753 (EXTRA_CONSTRAINT): Move to function.
5754 * config/ia64/ia64.md: Include vect.md.
5755 (itanium_class): Add mmalua.
5757 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
5759 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5760 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5762 (const_int_2bit_operand): New.
5763 (fr_reg_or_0_operand): New.
5764 * config/ia64/ia64-modes.def: Add vector modes.
5765 * config/ia64/ia64-protos.h: Update.
5766 * config/ia64/vect.md: New file.
5768 2005-01-03 Richard Henderson <rth@redhat.com>
5770 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5772 2005-01-03 Uros Bizjak <uros@kss-loka.si>
5775 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5777 (log1pdf2): Change mode of operands[0,1] to DFmode.
5779 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5781 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5782 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5783 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5784 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5785 SPARC_RELAXED_ORDERING.
5787 2005-01-03 Richard Henderson <rth@redhat.com>
5788 Uros Bizjak <uros@kss-loka.si>
5791 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5792 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5793 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5795 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5796 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5797 const_pow2_1_to_128_operand): New predicates.
5799 2005-01-02 Greg McGary <greg@mcgary.org>
5801 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5803 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5804 object. [ptr_type]: Remove unused variable.
5805 Remember nearest addressable array-element or record-component
5806 when checking bitfield components. Tolerate empty BIND_EXPR.
5808 2005-01-01 Richard Henderson <rth@redhat.com>
5810 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5811 that don't narrow the value. Fail for other conversions.
5813 2005-01-01 Richard Henderson <rth@redhat.com>
5816 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5817 * c-lang.c (finish_file): Don't do it here.
5818 * objc/objc-act.c (objc_finish_file): Likewise.
5820 * cgraph.c (decl_assembler_name_equal): New.
5821 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5822 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5823 * cgraph.h (struct cgraph_varpool_node): Add next.
5824 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5825 * varasm.c (assemble_alias): Mark the target as needed.
5827 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
5830 * function.c (get_arg_pointer_save_area): Use entry_of_function
5831 instead of get_insns.
5833 2005-01-01 Roger Sayle <roger@eyesopen.com>
5834 Andrew Pinski <pinskia@physics.uc.edu>
5835 James E. Wilson <wilson@specifixinc.com>
5837 PR rtl-optimization/12092
5838 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5841 2005-01-01 Roger Sayle <roger@eyesopen.com>
5842 Olivier Hainque <hainque@act-europe.fr>
5844 * tree.c (int_fits_type_p): A narrower type always fits in a
5845 wider one, except for negative values into unsigned types.
5847 2005-01-01 Roger Sayle <roger@eyesopen.com>
5849 * tree.c (int_fits_type_p): Compare the result of force_fit_type
5850 with the original constant rather than require TREE_OVERFLOW.
5852 2005-01-01 Steven Bosscher <stevenb@suse.de>
5855 * c-decl.c (finish_function): If compiling C99, annotate the
5856 compiler generated return with the current file name and line 0.
5857 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5858 the source line is greater than 0.
5859 (remove_bb): Likewise.
5861 See ChangeLog.12 for earlier changes.