1 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4 * sh.c (print_operand, %R and %S): Add handling of floating point
5 registers, memory, constants and invalid operands.
7 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
9 * ipa-pure-const.c: Change dump name.
11 2005-08-31 Uros Bizjak <uros@kss-loka.si>
14 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
15 to "reg_or_0_operand".
16 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
18 2005-08-31 Dale Johannesen <dalej@apple.com>
20 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
21 loops that count down.
23 2005-08-31 Richard Henderson <rth@redhat.com>
26 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
27 (fixup_eh_region_note): New.
28 (reload_as_needed): Call it.
29 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
30 don't call find_many_sub_basic_blocks; call verify_flow_info.
31 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
32 (keep_stack_depressed): Likewise.
33 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
35 2005-08-31 Richard Henderson <rth@redhat.com>
37 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
40 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
42 * expr.c (expand_expr_real_1): Compare size of address
43 mode to target's address mode size in deciding expansion of
46 2005-08-31 Richard Guenther <rguenther@suse.de>
49 * expr.c (all_zeros_p): New function.
50 (expand_expr_real_1): Handle the case of an all-zero
51 non-addressable constructor separately.
53 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
55 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
56 arguments, adjust all callers.
57 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
59 2005-08-30 Richard Henderson <rth@redhat.com>
62 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
63 whenever the mode sizes match.
65 2005-08-31 Alan Modra <amodra@bigpond.net.au>
67 * calls.c (load_register_parameters): Fix comment typo.
68 * expr.c (emit_push_insn): Comment formatting.
70 2005-08-30 Ian Lance Taylor <ian@airs.com>
72 * config/i386/x-cygwin (host-cygwin): Change dependency from
73 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
75 2005-08-29 Geoffrey Keating <geoffk@apple.com>
77 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
80 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
83 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
86 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
89 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
90 beginning. Remove $(INCLUDES) from all the rules, if following
91 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
93 2005-08-29 Jakub Jelinek <jakub@redhat.com>
96 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
97 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
98 not constant, but maxlen is, don't set len to maxlen, rather
99 set maxlen to len if len is a constant.
101 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
103 PR tree-optimization/23475
104 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
107 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
109 Fix PR middle-end/22455
111 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
112 Checksum only the parts of the tree that exist for the tree code.
114 2005-08-28 Dale Johannesen <dalej@apple.com>
116 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
118 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
120 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
122 2005-08-28 Richard Henderson <rth@redhat.com>
124 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
125 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
128 2005-08-28 Jakub Jelinek <jakub@redhat.com>
131 * builtins.c (get_memory_rtx): Don't strip nops
132 in between COMPONENT_REFs.
134 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
137 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
139 (gimplify_modify_expr): Check for zero sized types and gimplify the
140 rhs and lhs as statements.
142 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
145 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
146 state for return address column of signal frames.
148 2005-08-27 David Edelsohn <edelsohn@gnu.org>
151 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
152 bytes >= 2 not bytes == 2.
153 (expand_block_move): Same.
155 2005-08-27 Richard Guenther <rguenther@suse.de>
158 * config/i386/sse.md (sse2_movsd): Add missing closing
161 2005-08-27 Paul Brook <paul@codesourcery.com>
163 * genrecog.c (enum decision_type): Add DT_num_insns.
164 (struct decision_test): Add u.num_insns.
165 (add_to_sequence): Add DT_num_insns test.
166 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
167 (write_cond, debug_decision_2): Ditto.
168 (change_state): Assume peep2_next_insn never fails.
169 Remove "afterward" argument.
170 (write afterward, write_tree): Update to match.
171 * recog.c (peep2_current_count): New variable.
172 (peep2_next_insn): Check it.
173 (peephole2_optimize): Set peep2_current_count.
174 * recog.h (peep2_current_count): Declare.
176 2005-08-26 Josh Conner <jconner@apple.com>
179 * ipa-pure-const.c (check_tree): Check for volatile-ness
180 when considering a dereference.
182 2005-08-27 Jakub Jelinek <jakub@redhat.com>
184 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
186 2005-08-26 Jakub Jelinek <jakub@redhat.com>
188 PR rtl-optimization/23561
189 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
190 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
191 at most LEN bytes long memory fits into the field.
192 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
193 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
194 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
196 2005-08-26 Richard Henderson <rth@redhat.com>
199 * loop.c (biased_biv_may_wrap_p): New.
200 (maybe_eliminate_biv_1): Use it to suppress non-equality
201 comparison transformations. Delete disabled code.
203 2005-08-26 Ian Lance Taylor <ian@airs.com>
205 * combine.c (make_extraction): Avoid reference outside object.
207 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
209 * stor-layout.c (finalize_type_size): Restore behaviour for
210 non-aggregate types to the status quo ante of the patch for
211 pr 23467. Document why it matters.
213 2005-08-26 Jakub Jelinek <jakub@redhat.com>
216 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
217 array by one element, initialize the BT_LAST element with NULL.
219 2005-08-26 David Edelsohn <edelsohn@gnu.org>
221 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
224 (compare_plus_eqsi): Same.
225 (plus_eqsi_compare): Same.
226 (neg_eq0<mode>): Same.
227 (neg_eq<mode>): Same.
229 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
232 2005-08-26 Nick Clifton <nickc@redhat.com>
234 * config/v850/v850.c (ep_memory_operand): Return FALSE if
235 TARGET_EP is not defined.
236 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
237 TARGET_EP is enabled.
238 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
239 * config/v850/v850.md (save_all_interrupt): Only use the EP
240 register if TARGET_EP is defined.
241 (restore_all_interrupt): Likewise.
242 * config/v850/lib1funcs.asm: Update functions so that the EP
243 register is only used if __EP__ is defined.
245 2005-08-26 David Ung <davidu@mips.com>
247 * config/mips/mips.c (mips_expand_prologue): Handle case when
248 generating for MIPS16 and the outgoing argument area is more than
249 SMALL_OPERAND. Use the frame pointer as temporary to generate the
252 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
254 * config/crx/crx.md: Make doloop_end pattern usage controllable
255 via mloop-nesting=<max-nesting> command line switch. Make sure
256 the combiner cannot use doloop_end_<mode> in an illegal way.
257 * config/crx/crx.c: Use regs up to r6 for argument passing.
258 Refine crx_address_cost (non cst4 displacements are expensive).
259 * config/crx/crx.opt: Add switch for mloop-nesting=.
261 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
263 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
264 (UNSPEC_MVST): New constant.
266 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
268 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
269 Reject operands containing eliminable registers.
270 * testsuite/gcc.dg/20050825-1.c: New testcase.
272 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
273 Jan Hubicka <jh@suse.cz>
275 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
277 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
279 PR tree-optimization/23546
280 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
283 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
285 * params.def (PARAM_MIN_SPEC_PROB): New.
286 * sched-rgn.c (MIN_PROBABILITY): Delete.
287 (compute_trg_info): Convert to PARAM_VALUE.
288 * doc/invoke.texi (param): Document min-spec-prob.
290 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
292 * config/darwin.h: define __PIC__
293 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
294 TARGET_OS_CPP_BUILTINS macro.
296 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
298 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
301 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
303 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
305 * cfghooks.c (duplicate_block): Added position where to place
306 new block as argument.
307 * cfghooks.h (duplicate_block): Declaration changed.
308 * cfglayout.c (copy_bbs): Add argument after. Pass it to
310 * cfglayout.h (copy_bbs): Declaration changed.
311 * cfgloop.h (loop_version): Declaration changed.
312 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
313 position to copy_bbs.
314 (loop_version): Pass position to duplicate_loop_to_header_edge.
315 Add place_after argument and position new blocks according to
317 * modulo-sched.c (sms_schedule): Pass place_after argument
319 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
320 * tree-cfg.c (split_edge_bb_loc): New function.
321 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
322 to determine position of new blocks.
323 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
325 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
326 argument to duplicate_block.
327 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
328 Pass position to copy_bbs.
330 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
332 * fold-const.c (ptr_difference_const): Use
333 cst_and_fits_in_hwi instead of host_integerp.
335 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
337 * config/darwin.c (gen_pic_offset): New.
338 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
341 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
343 PR tree-optimization/23486
344 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
346 2005-08-23 Phil Edwards <phil@codesourcery.com>
348 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
350 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
352 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
353 configuration files to override the default value.
355 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
356 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
357 * config/vx-common.h: New file, split out from...
358 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
359 * config/vxworksae.h: New file, for VxWorks AE.
360 * config/vxworks.opt: New file.
361 * config/vxlib.c: Update for VxWorks 6.
363 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
364 other MULTILIB_* variables appropriately.
365 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
366 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
367 * config/rs6000/vxworks.h: Update for VxWorks 6.
368 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
370 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
373 * config/darwin.c (machopic_select_section): Remove the hack to
374 mark "::operator new" and "::operator delete" for coalescing
375 even though they are not weak.
377 2005-08-24 Alan Modra <amodra@bigpond.net.au>
379 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
380 * configure: Regenerate.
382 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
385 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
387 * convert.c (convert_to_integer, convert_to_vector): Likewise.
388 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
391 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
393 * config/rs6000/predicates.md (equality_operator): New.
394 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
395 comparison with a large constant.
397 2005-08-23 Mark Mitchell <mark@codesourcery.com>
399 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
401 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
403 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
404 registers is even, and we have a hardware double precision fp,
406 (sh_gimplify_va_arg_expr): For floating point arguments, consider
407 size of current argument when checking if argument was passed in
410 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
413 * stor-layout.c (finalize_type_size): Dont override
414 existing alignment with a smaller alignment from the mode.
416 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
418 * lambda-code.c (lambda_vector_lexico_pos): Moved...
419 * lambda.h (lambda_vector_lexico_pos): ... here.
420 * tree-data-ref.c (build_classic_dist_vector): Return false when
421 the distance vector is lexicographically negative.
423 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
425 PR tree-optimization/23511
426 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
427 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
429 2005-08-23 Jakub Jelinek <jakub@redhat.com>
431 PR tree-optimization/22043
432 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
433 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
434 If ALLOW_FLEXARR, handle types ending with flexible array member.
435 Pass false as second argument to recursive count_type_elements calls.
436 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
437 argument to count_type_elements call.
438 * tree-sra.c (decide_block_copy): Likewise.
439 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
440 for a constant-sized object, set cleared as well. Pass true as
441 second argument to count_type_elements call.
443 2005-08-23 Alan Modra <amodra@bigpond.net.au>
446 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
447 from legitimate_small_data_p, and make global. Update use.
448 Remove forward declaration.
449 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
451 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
453 2005-08-23 David Edelsohn <edelsohn@gnu.org>
455 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
456 of scratch intermediates.
457 (eq<mode>_compare): Same.
458 (neg_eq0<mode>): New.
459 (neg_eq<mode>): Convert to define_insn_and_split.
461 2005-08-23 Alan Modra <amodra@bigpond.net.au>
464 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
465 stdarg functions, set/clear the fp marker even when no variable
467 * config/rs6000/sysv4.opt (mprototype): Describe.
469 2005-08-22 Jakub Jelinek <jakub@redhat.com>
471 PR rtl-optimization/23478
472 * regs.h (reg_info): Add throw_calls_crossed.
473 (REG_N_THROWING_CALLS_CROSSED): Define.
474 * flow.c (allocate_reg_life_data): Initialize
475 REG_N_THROWING_CALLS_CROSSED.
476 (propagate_one_insn, attempt_auto_inc): Update
477 REG_N_THROWING_CALLS_CROSSED.
478 * global.c (global_alloc): Don't allocate pseudos across
479 calls that may throw.
481 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
484 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
485 value is inbetween the range if we did not find an exact match.
487 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
489 * doc/invoke.texi (Option Summary): Add ms1 options.
490 * doc/extend.texi: Document interrupt handler attribute for ms1.
491 * doc/md.texi: Document ms1 constraints.
492 * config.gcc: Add ms1-*-elf.
493 * config/ms1/ms1.h: New.
494 * config/ms1/ms1.c: New.
495 * config/ms1/ms1.md: New.
496 * config/ms1/ms1-protos.h: New.
497 * config/ms1/ABI.txt: New.
498 * config/ms1/crti.asm: New.
499 * config/ms1/crtn.asm: New.
500 * config/ms1/lib2extra-funcs.c: New.
501 * config/ms1/t-ms1: New.
502 * config/ms1/ms1.opt: New.
504 2005-08-22 Ira Rosen <irar@il.ibm.com>
506 * config/rs6000/altivec.md (xorv4sf3): New.
507 (negv4sf2, neg<mode>2): Likewise.
509 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
512 * config/ia64/ia64.md (divsi3): Check divide by zero.
517 2005-08-21 Jakub Jelinek <jakub@redhat.com>
519 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
520 up to elem_bitsize bits, not max_bitsize.
522 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
524 PR tree-optimization/23433
525 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
526 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
528 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
530 PR tree-optimization/23434
531 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
532 the iteration bound is not an INTEGER_CST.
534 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
536 * tree-vect-transform.c (get_initial_def_for_reduction): Set
537 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
538 NULL if need_epilog_adjust is false.
539 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
540 Case 3 always peels first itration, not just for PLUS case, and no need
541 to use scalar_initial_def here. Create an epilog adjustment only if
542 scalar_initial_def is not NULL.
544 (vectorizable_reduction): Remove assert.
546 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
549 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
550 (__moddi3): Likewise.
551 (__udivdi3): Likewise.
552 (__umoddi3): Likewise.
553 (__divsi3): Likewise.
554 (__modsi3): Likewise.
555 (__udivsi3): Likewise.
556 (__umodsi3): Likewise.
558 2005-08-20 Jakub Jelinek <jakub@redhat.com>
560 * tree-pass.h (TDF_GRAPH): Define.
561 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
562 * passes.c (finish_optimization_passes): Only call
563 finish_graph_dump_file if TDF_GRAPH is set.
564 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
565 NULL. Set TDF_GRAPH bit.
566 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
568 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
570 * arm.h (arm_stack_offsets): Add locals_base field.
571 * arm.c (arm_get_frame_offsets): Compute it.
572 (thumb_compute_initial_elimination offset): Make the Thumb frame
573 pointer point to the base of the local variables.
574 (thumb_expand_prologue): Update accordingly.
575 (thumb_expand_epilogue): Likewise.
577 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
578 mode of clobbered scratch to DImode. Handle a case that's known to
581 2005-08-19 David Edelsohn <edelsohn@gnu.org>
583 * config/rs6000/rs6000.md (gt0<mode>): Delete.
584 (gt0<mode>_compare): Delete.
585 (neg_gt0<mode>): Delete.
587 2005-08-19 Eric Christopher <echristo@apple.com>
589 * optabs.h: Change CTI_ to COI_.
592 2005-08-19 James E Wilson <wilson@specifix.com>
594 * builtins.c (expand_builtin_return_addr): Set
595 current_function_accesses_prior_frames when count != 0. Use
596 frame_pointer_rtx when count == 0.
597 * function.h (struct function): Add accesses_prior_frames field.
598 (current_function_accesses_prior_frames): Define.
599 * reload1.c (init_elim_table): Check
600 current_function_accesses_prior_frames.
601 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
603 2005-08-19 Diego Novillo <dnovillo@redhat.com>
605 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
606 indicator. Return true if the flowgraph changed during
609 2005-08-19 Diego Novillo <dnovillo@redhat.com>
612 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
613 conditional expression before testing its value.
615 2005-08-19 Diego Novillo <dnovillo@redhat.com>
617 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
619 2005-08-19 Devang Patel <dpatel@apple.com>
621 PR tree-optimization/23048
622 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
623 third parameter. Check whether latch is dominated by exit
625 (if_convertible_loop_p): Supply exit block itself to
628 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
631 * arm.md (arm_load_pic_register): Change argument to the mask of
632 saved registers. Call thumb_find_work_register if we need a
633 scratch register on Thumb.
634 (arm_expand_prologue): Pass empty register set to
635 arm_load_pic_register.
636 (thumb_expand_prologue): Pass live_regs_mask directly to
637 arm_load_pic_register.
638 * arm-protos.h (arm_load_pic_register): Update prototype.
640 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
642 * sh.c (find_sole_member): New function.
643 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
644 if the record's alignment is larger than the size of its only member.
646 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
649 * arm.c (thumb_legitimize_reload_address): New function.
650 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
651 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
653 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
655 * config/crx/crx.c: Implement crx_decompose_address. Reject
656 symbolic displacements since CRX register relative adressing
657 mode can't handle unsigned 32-bit values as displacements.
658 * config/crx/crx.h: Simplify definitions, remove redundant
659 parenthesis and obsolete macros.
660 * config/crx/crx.opt: Add new switch for debugging addresses.
661 * config/crx/crx-protos.h: Add new declarations for above.
663 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
666 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
669 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
671 * collect2.c (dup2): Delete.
672 * configure.ac: Don't check for dup2.
674 * config.in, configure: Regenerate.
676 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
678 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
679 record with the type of its only member.
681 2005-08-18 David Edelsohn <edelsohn@gnu.org>
683 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
684 define_insn_and_split.
685 (plus_ltu<mode>_compare): Same.
686 (gtu<mode>_compare): Same.
687 (plus_gtu<mode>_compare): Same.
689 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
691 PR tree-optimization/22228
692 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
694 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
695 are recorded in vect_vnames_to_rename for renaming.
696 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
697 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
698 in vect_vnames_to_rename.
699 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
700 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
702 2005-08-18 Jan Hubicka <jh@suse.cz>
705 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
706 info only for local statics, not for member variables.
708 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
710 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
712 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
714 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
716 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
719 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
721 2005-08-17 James E Wilson <wilson@specifix.com>
723 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
726 2005-08-17 David Edelsohn <edelsohn@gnu.org>
728 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
729 (leu<mode>_compare): Same.
730 (plus_leu<mode>): Same.
731 (neg_leu<mode>): Same.
732 (and_neg_leu<mode): Same.
733 (ltu<mode>_compare): Same.
734 (plus_ltu<mode>): Same.
736 (geu<mode>_compare): Same.
737 (plus_geu<mode>): Same.
738 (neg_geu<mode>): Same.
739 (and_neg_geu<mode>): Same.
740 (plus_gt<mode>): Same.
741 (gtu<mode>_compare): Same.
742 (plus_gtu<mode>): Same.
744 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
746 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
747 Move call_table_data to end. Delete spurious .text.
748 (callt_save_all_interrupt): Fix comment typo.
750 2005-08-17 James E Wilson <wilson@specifix.com>
751 Kevin Winchester <winchester@amirix.com>
754 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
756 2005-08-17 Uros Bizjak <uros@kss-loka.si>
759 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
760 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
762 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
764 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
765 record with the type of its only member if the modes don't match.
767 * varasm.c (decode_reg_name): Skip empty additional register names.
769 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
771 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
772 lsm_tmp_name_length): New.
773 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
774 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
776 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
777 Andreas Krebbel <krebbel1@de.ibm.com>
779 * config.gcc: Added z9-109 switch.
780 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
781 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
782 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
783 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
784 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
785 for "z9_109" cpu attribute.
786 * config/s390/s390.c (z9_109_cost): New processor cost structure.
787 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
788 (s390_handle_arch_option): Added z9-109 switch.
789 (override_options): Set respective cost function for z9-109.
790 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
791 (legitimate_reload_constant_p): Accept extended immediates.
792 (print_operand): Three new output modifiers added: k, m and o.
793 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
794 (s390_output_mi_thunk): Use extended immediate when possible.
795 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
796 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
797 (CONSTRAINT_LEN): Added length of O constraint.
798 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
799 * config/s390/s390.md ("cpu"): New value z9_109 added.
800 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
801 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
802 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
803 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
804 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
805 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
806 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
807 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
808 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
809 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
810 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
811 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
812 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
813 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
814 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
816 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
817 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
818 insns for TARGET_EXTIMM.
820 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
822 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
824 2005-08-17 Nick Clifton <nickc@redhat.com>
826 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
827 Call default_encode_section_info.
829 2005-08-17 Steven Bosscher <stevenb@suse.de>
831 PR tree-optimization/21574
832 * tree-ssa-ccp.c (likely_value): If the right hand side is a
833 constant, return CONSTANT.
834 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
835 (ccp_fold, visit_assignment): Likewise.
836 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
838 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
840 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
841 fold_buildN instead of buildN then fold_initializer or fold.
842 (build_unary_op): Likewise.
843 (build_binary_op): Likewise.
844 * fold-const.c (fold_initializer): Remove.
845 (fold_build1_initializer): New function.
846 (fold_build2_initializer): New function.
847 (fold_build3_initializer): New function.
848 * tree.h (fold_initializer): Remove.
849 (fold_build1_initializer): New function.
850 (fold_build2_initializer): New function.
851 (fold_build3_initializer): New function.
853 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
855 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
856 (try_move_mult_to_index): Call fold_build2 instead of build2.
857 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
858 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
859 fold_binary_to_constant.
860 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
862 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
863 check if A == gcd (A, B). Remove TYPE argument.
864 (analyze_offset) Use fold_build2 instead of fold (build.
865 (create_data_ref): Likewise.
866 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
867 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
870 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
872 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
873 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
875 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
878 * gimplify.c (zero_sized_type): New function.
879 (gimplify_modify_expr_rhs): If we have a zero sized type,
880 replace the statement with an empty statement.
882 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
884 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
887 2005-08-16 Ian Lance Taylor <ian@airs.com>
889 * doc/tm.texi (Label Output): Correct typo.
891 2005-08-16 Steven Bosscher <stevenb@suse.de>
894 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
895 force_operand will work later on using have_insn_for.
897 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
899 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
901 2005-08-16 Ian Lance Taylor <ian@airs.com>
904 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
905 vector type, don't try to construct it element by element. Add an
906 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
908 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
910 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
912 2005-08-16 Geoffrey Keating <geoffk@apple.com>
914 * doc/invoke.texi (Precompiled Headers): Document some more options
915 which are known to be safe.
917 2005-08-16 James E Wilson <wilson@specifix.com>
919 PR tree-optimization/21105
920 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
923 2005-08-16 David Edelsohn <edelsohn@gnu.org>
925 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
926 (neg_ltu<mode>): Same.
928 (neg_gtu<mode>): Same.
930 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
932 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
933 (fold_builtin_isdigit): Use fold_buildN.
934 (build_function_call_expr): Likewise.
935 * c-typeck.c (c_finish_loop): Likewise.
937 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
938 Richard Shann <rshann@superh.com>
941 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
943 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
945 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
947 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
950 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
951 arm_compure_save_reg0_reg12_mask to determine when the PIC register
954 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
957 * fold-const.c (build_range_check): Disable optimization for function
958 pointer expressions on targets that require function pointer
961 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
963 * simplify-rtx.c (simplify_const_relational_operation): When
964 extracting arguments of a COMPARE, recompute the mode as well.
966 2005-08-15 Ian Lance Taylor <ian@airs.com>
968 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
970 2005-08-15 DJ Delorie <dj@redhat.com>
972 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
974 (movsi_splittable): Allow, but split, moves to the stack.
975 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
978 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
980 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
981 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
982 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
984 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
985 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
986 Delete HOST_PTR_PRINTF.
988 * configure, config.in: Regenerate.
990 2005-08-15 David Edelsohn <edelsohn@gnu.org>
992 * config/rs6000/rs6000.md (QHSI): New mode macro.
993 (wd): Extend mode attr for QImode and HImode
994 (dbits): New mode attr.
995 (zero_extend<mode>di2): Convert to mode macro.
997 2005-08-15 Steve Ellcey <sje@cup.hp.com>
1000 * doc/invoke.texi (-mgnu-ld): Update description.
1003 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1006 * Makefile.in (tree-chrec.o): Depends on real.h.
1007 * tree-chrec.c: Include real.h.
1008 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1009 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1010 * tree-scalar-evolution.c (add_to_evolution_1,
1011 interpret_rhs_modify_expr): Ditto.
1013 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1016 * tree-data-ref.c (estimate_niter_from_size_of_data): When
1017 step is negative compute the estimation from init downwards to zero.
1019 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
1021 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1023 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1025 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1027 (legitimate_reload_constant_p): Fix handling of lliXX operands.
1028 Accept double-word constants that can be split.
1029 * config/s390/s390.md ("movti"): Use 'P' constraint.
1030 ("*movdi_31", "*movdf_31"): Likewise.
1032 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
1034 Fix PR tree-optimization/22615
1036 * tree-ssa-structalias.c (solution_set_add): Handle
1037 first_vi_for_offset returning NULL.
1038 (do_da_constraint): Ditto.
1039 (do_sd_constraint): Ditto.
1040 (do_ds_constraint): Ditto
1041 (find_func_aliases): Ditto.
1042 (build_constraint_graph): RHS is allowed be ANYTHING.
1043 (first_vi_for_offset): Return NULL if we couldn't find anything at
1046 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1048 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1049 over memory as first operand.
1051 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
1054 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1055 available for setting it.
1057 2005-08-14 Ira Rosen <irar@il.ibm.com>
1059 PR tree-optimization/23320
1060 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1061 data-refs' types instead of base object nullness. Add check for
1062 pointer type data-refs before first location comparison. Remove
1065 2005-08-14 Andreas Schwab <schwab@suse.de>
1067 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1069 2005-08-13 James E Wilson <wilson@specifix.com>
1071 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1072 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1073 -fstack-protector-all, --param ssp-buffer-size): Document.
1074 (-Wvariadic-macros): Alphabetize.
1075 (-fsched-stalled-insns-dep): Add missing 'f'.
1077 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1080 2005-08-13 David Edelsohn <edelsohn@gnu.org>
1082 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1083 or indirect address operand.
1084 (EXTRA_ADDRESS_CONSTRAINT): New.
1085 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1087 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
1089 PR tree-optimization/22236
1090 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1091 successors and predecessors.
1092 * tree-chrec.c (chrec_convert): Before converting, check that
1093 sequences don't wrap.
1094 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1095 (analyze_array): Extern.
1096 (find_data_references_in_loop): Remove call to
1097 compute_estimated_nb_iterations.
1098 * tree-data-ref.h (analyze_array): Declared.
1099 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1100 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1101 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1102 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1104 * tree-ssa-loop-ivcanon.c: Fix documentation.
1105 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1106 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1107 (infer_loop_bounds_from_undefined): New.
1108 (estimate_numbers_of_iterations_loop): Use
1109 infer_loop_bounds_from_undefined.
1110 (used_in_pointer_arithmetic_p): New.
1111 (scev_probably_wraps_p): Pass an extra parameter. Call
1112 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
1113 (convert_step): Fix documentation.
1114 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1115 Use initial_condition_in_loop_num and evolution_part_in_loop_num
1116 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
1117 scev_probably_wraps_p.
1119 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1121 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1122 (s390_register_info): Ignore clobbered_regs information for fixed
1123 registers, and only fixed registers.
1124 (s390_init_frame_layout): Remove redundant call.
1126 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
1128 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1129 description of -Wold-style-casts.
1131 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1132 Jakub Jelinek <jakub@redhat.com>
1134 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1135 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1136 * config/s390/s390.c (print_operand): New output modifier 'G' added.
1137 (get_thread_pointer): Renamed to s390_get_thread_pointer.
1138 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1139 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1140 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1141 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1142 ("stack_protect_set", "stack_protect_test"): New expanders.
1143 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1144 "stack_protect_testdi"): New insn definitions.
1146 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1148 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1150 2005-08-12 Paul Brook <paul@codesourcery.com>
1152 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1154 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1156 * config/s390/predicates.md (setmem_operand): New predicate.
1157 (shift_count_operand): Accept ANDs with special constants as
1159 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1160 with special constants.
1161 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1162 shift_count_operand with setmem_operand.
1164 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1166 * config/s390/s390.c (s390_extract_part, s390_single_part):
1168 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1169 (s390_output_mi_thunk): Don't use lg on 31 bit.
1170 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1171 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1173 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1175 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1176 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1177 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1178 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1179 with one of the new macros.
1181 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1183 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1184 Don't set save_return_addr_p.
1185 (s390_register_info): Make clobbered_regs not depending on
1188 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
1190 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1191 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1193 2005-08-11 James E. Wilson <wilson@specifix.com>
1195 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1197 2005-08-11 Jakub Jelinek <jakub@redhat.com>
1199 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1200 locations gathered by var-tracking in single entry loc_list
1201 over loc_descriptor_from_tree.
1203 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1204 pass it down to loc_descriptor.
1205 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1206 (containing_function_has_frame_base): Move earlier in the file.
1207 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1208 instead of always assuming fbreg can't be used.
1210 2005-08-11 David Edelsohn <edelsohn@gnu.org>
1212 * config/rs6000/altivec.md: Change constraint "m" to "Z".
1213 * config/rs6000/predicates.md (indexed_or_indirect_operand):
1214 Accept address wrapped in AND for Altivec.
1215 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1216 Strip AND wrapping offset address for Altivec.
1218 2005-08-11 Richard Henderson <rth@redhat.com>
1221 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1222 before using TYPE_IS_SIZETYPE.
1224 2005-08-11 Richard Henderson <rth@redhat.com>
1227 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1228 insn types not present on ev4.
1229 (alphaev5_insn_pipe): Similarly.
1231 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
1234 * arm.c (arm_override_options): If the user has selected callee-super-
1235 interworking, then enable normal interworking.
1237 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1239 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1242 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
1244 * doc/rtl.texi: Fix two typos.
1246 2005-08-11 Richard Guenther <rguenther@suse.de>
1249 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1250 cases where we call to/from functions returning void.
1252 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
1255 * tree.c (build_pointer_type_for_mode): Robustify.
1257 2005-08-10 James E Wilson <wilson@specifix.com>
1259 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1260 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1262 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1265 2005-08-10 Eric Christopher <echristo@apple.com>
1267 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1268 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1271 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
1274 * config/darwin.c (machopic_indirect_data_reference): Use a new register
1275 for the high part when generating dynamic-no-pic code.
1277 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
1279 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1280 (x86_64-*-linux*): Likewise.
1282 * config/i386/crtfastmath.c: New file.
1283 * config/i386/t-crtfm: Likewise.
1285 * config/i386/linux.h (ENDFILE_SPEC): New.
1286 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1288 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1291 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
1293 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1294 (vec_shl, vec_shr): Document new operations.
1295 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1297 2005-08-10 David Edelsohn <edelsohn@gnu.org>
1299 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1300 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1301 change predicate to indexed_or_indirect_address.
1303 2005-08-10 Richard Sandiford <richard@codesourcery.com>
1305 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1306 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1307 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1308 and __aeabi_uwrite8.
1309 * config/arm/unaligned-funcs.c: New file.
1310 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1312 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
1314 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1316 * cfglayout.c (pass_insn_locators_initialize): Add dump.
1317 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1319 * except.c (pass_convert_to_eh_region_ranges): Add dump.
1320 * final.c (pass_shorten_branches): Add dump.
1321 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1322 (pass_life): Rename dump.
1323 (rest_of_handle_flow2): Remove initial verify_flow_info.
1324 * function.c (pass_instantiate_virtual_regs): Add dump.
1325 * integrate.c (pass_initial_value_sets): Add dump.
1326 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1327 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1328 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1329 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1330 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1331 gate_rtl_unrool_and_peel_loops): New.
1332 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1333 rtl_doloop): Do not look at flags.
1334 * mode-switching.c (pass_mode_switching): Add dump.
1335 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1336 pass_split_before_regstack): Add dump.
1337 * regmove.c (pass_stack_adjustments): Add dump.
1338 * tree-optimize.c (pass_fixup_cfg): Add dump.
1340 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1343 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1344 deciding which instruction sequence to use.
1346 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
1348 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1349 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1351 2005-08-09 Richard Guenther <rguenther@suse.de>
1353 * c-common.c (builtin_function_2): Remove.
1354 (def_builtin_1): New function.
1355 (c_common_nodes_and_builtins): Use def_builtin_1 to
1356 build builtin functions.
1358 2005-08-09 Jie Zhang <jie.zhang@analog.com>
1360 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1361 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1362 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1365 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1367 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1368 fold_binary instead of fold_build2 since we don't care about the
1370 (loop_niter_by_eval): Likewise.
1371 (compare_trees): Likewise.
1372 (proved_non_wrapping_p): Likewise.
1374 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1378 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1379 if the if is really empty.
1381 2005-08-09 Steven Bosscher <stevenb@suse.de>
1383 PR tree-optimization/23234
1384 * tree-ssa-math-opts.c (place_reciprocal): New enum.
1385 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1386 argument of the new enum.
1387 (execute_cse_reciprocals): Add reciprocals for function arguments
1388 on the unique successor edge of the entry block. Update other calls
1389 to execute_cse_reciprocals_1.
1391 2005-08-08 Richard Henderson <rth@redhat.com>
1394 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1396 2005-08-08 Bob Wilson <bob.wilson@acm.org>
1398 * expr.c (write_complex_part): Return after handling MEM.
1400 2005-08-08 Josh Conner <jconner@apple.com>
1402 PR rtl-optimization/23241
1403 * combine.c (simplify_comparison): Fix error in determining
1404 whether to lift a subreg from comparison.
1406 2005-08-08 David Edelsohn <edelsohn@gnu.org>
1409 * config/rs6000/altivec.md (vec_init<mode>): New.
1410 (vec_set<mode>): New.
1411 (vec_extract<mode>): New.
1412 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1413 (rs6000_expand_vector_set): New.
1414 (rs6000_expand_vector_extract): New.
1415 (rs6000_legitimate_offset_address_p): Offset addresses are valid
1416 for Altivec modes before reload.
1417 (altivec_expand_vec_init_builtin): New.
1418 (get_element_number): New.
1419 (altivec_expand_vec_set_builtin): New.
1420 (altivec_expand_vec_ext_builtin): New.
1421 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1423 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1425 * config/rs6000/rs6000.h (rs6000_builtins): Add
1426 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1427 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1428 * config/rs6000/rs6000-protos.h: Declare new functions.
1430 2005-08-08 Jan Hubicka <jh@suse.cz>
1432 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1433 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1434 * i386.md (movdi*): Use pic_32bit_operand.
1435 * predicates.md (pic_32bit_operand): New.
1437 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
1440 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1442 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
1444 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1445 (test_for_singularity): Use fold_build2.
1447 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1449 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1451 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
1453 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1454 (COMMON_ASM_OP) Define.
1455 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1456 (ix86_encode_section_info): Likewise.
1457 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1458 SUBTARGET_ENCODE_SECTION_INFO.
1460 2005-08-06 Richard Henderson <rth@redhat.com>
1463 * tree-nested.c (convert_local_reference): Save and restore val_only
1464 around component_ref and friends. Clear walk_subtrees by default.
1466 2005-08-06 Peter O'Gorman <peter@pogma.com>
1469 * gcc.c (process_command): Check the argument to -b has a dash.
1470 * doc/invoke.texi: Update -b and -V docs.
1472 2005-08-06 James E Wilson <wilson@specifix.com>
1474 * config/mips/cross64.h, config/mips/t-cross64: Delete.
1476 2005-08-06 Michael Matz <matz@suse.de>
1478 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1479 member only if only one insn is associated with the value.
1481 2005-08-06 Nick Clifton <nickc@redhat.com>
1483 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1485 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1486 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1487 Check symbol flags instead of symbol name mangling.
1488 (xstormy16_asm_output_aligned_common): Likewise. Also
1489 simplify code since the bss100_section cass is the only case
1490 where the below100 code will be triggered.
1491 (xstormy16_encode_section_info): Encode below100 attribute
1492 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1494 (xstormy16_strip_name_encoding): Delete - this function is no
1496 (TARGET_STRIP_NAME_ENCODING): Undefine.
1497 * config/stormy16/stormy16-protos.h: Delete prototype for
1498 xstormy16_strip_name_encoding.
1500 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
1502 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1503 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1504 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1505 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1506 config/alpha/predicates.md, config/arc/arc.h,
1507 config/arm/arm.h, config/arm/ieee754-df.S,
1508 config/arm/ieee754-sf.S, config/bfin/bfin.c,
1509 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1510 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1511 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1512 config/m68hc11/m68hc11.h, config/mips/mips.c,
1513 config/mips/mips.h, config/mips/openbsd.h,
1514 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1515 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1516 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1517 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1518 config/sparc/linux.h, config/sparc/linux64.h,
1519 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1520 doc/extend.texi, doc/gcov.texi, doc/install.texi,
1521 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1522 typos. Follow spelling conventions.
1524 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
1527 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1528 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1529 specially. Check for side effects only for COND_EXPR.
1530 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1531 return with TREE_NO_WARNING.
1533 2005-08-06 Richard Sandiford <richard@codesourcery.com>
1535 PR rtl-optimization/23233
1536 * loop.c (combine_movables): Require the modes to be the same.
1537 (move_movables): Remove handling of cases where the replacement
1538 had a different mode to the original.
1540 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
1542 PR tree-optimization/23128
1543 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1544 subtraction wrap, and set TREE_OVERFLOW if they do.
1546 2005-08-05 Richard Henderson <rth@redhat.com>
1549 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1550 FORCED_LABEL labels.
1552 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
1555 * reload.c (find_reloads_subreg_address): Pass down TYPE
1556 unchanged. Change all callers except find_reloads_toplev.
1558 2005-08-05 Michael Matz <matz@suse.de>
1560 * genattrtab.c (current_alternative_string): Remove.
1561 (SIMPLIFY_ALTERNATIVE): Ditto.
1562 (attr_alt_bit_p): Ditto.
1563 (alternative_name): Make const char *.
1564 (evaluate_eq_attr): Remove use of above things.
1565 (simplify_test_exp): Ditto.
1566 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1567 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1569 2005-08-04 James E Wilson <wilson@specifix.com>
1571 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1572 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1573 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1574 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1575 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1577 2005-08-04 Richard Henderson <rth@redhat.com>
1580 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1581 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1582 * tree-sra.c (decide_block_copy): Use it. Disable element copy
1583 if we'd have to instantiate too many members.
1585 2005-08-04 Richard Henderson <rth@redhat.com>
1588 * tree-outof-ssa.c (coalesce_asm_operands): New.
1589 (coalesce_ssa_name): Use it. Split out ...
1590 (coalesce_phi_operands, coalesce_result_decls): ... these.
1592 2005-08-04 Paul Brook <paul@codesourcery.com>
1594 * read-rtl.c (read_quoted_string): Break if EOF.
1596 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
1598 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1599 (fold_build2): Likewise.
1600 (fold_build3): Likewise.
1601 (fold_build1_stat): New function prototype.
1602 (fold_build2_stat): Likewise.
1603 (fold_build3_stat): Likewise.
1604 * fold-const.c (fold_build1): Rename to ..
1605 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1606 through to build1_stat.
1607 (fold_build2): Rename to ..
1608 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1609 through to build2_stat.
1610 (fold_build3): Rename to ..
1611 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1612 through to build3_stat.
1614 2005-08-04 David Edelsohn <edelsohn@gnu.org>
1615 Ian Lance Taylor <ian@airs.com>
1617 * function.c (assign_stack_local_1): Do not correct stack slot
1618 address if allocation size is smaller than mode size.
1620 2005-08-04 Diego Novillo <dnovillo@redhat.com>
1623 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1624 (tree_merge_blocks): Propagate anything allowed by
1626 Clarify documentation.
1627 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1628 SSA form, schedule an update if necessary.
1630 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1632 * doc/install.texi (Binaries): Remove broken link to
1633 Sinix/Reliant Unix binaries.
1635 2005-08-03 Richard Henderson <rth@redhat.com>
1638 * function.c (stack_protect_epilogue): Export.
1639 * tree.h (stack_protect_epilogue): Declare.
1640 * calls.c (expand_call): Call it.
1642 2005-08-03 Eric Christopher <echristo@apple.com>
1644 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1645 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1648 2005-08-04 Jan Hubicka <jh@suse.cz>
1650 * profile.c (branch_prob): Split edges with goto locus on them
1651 to get proper line counts.
1652 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1654 2005-08-03 Paul Brook <paul@codesourcery.com>
1656 * function.c (assign_parms): Round current_function_args_size
1657 to PARM_BOUNDARY, not STACK_BOUNDARY.
1659 2005-08-03 Geoffrey Keating <geoffk@apple.com>
1661 * config/i386/i386.c (x86_elf_aligned_common)
1662 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1664 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
1666 PR tree-optimization/23157
1667 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1668 before emitting them.
1670 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1672 PR tree-optimization/19899
1673 * Makefile.in (tree-scalar-evolution.o): Add real.h.
1674 * tree-scalar-evolution.c: Include real.h.
1675 (add_to_evolution): Build constant -1 of correct type.
1677 2005-08-03 Jan Hubicka <jh@suse.cz>
1679 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1680 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1681 profile updating for complette unrolling.
1682 * loop-unroll.c (peel_loop_completely): Use it.
1683 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1684 (tree_unroll_loops_completely): Disable code growing unrolling of cold
1687 2005-08-03 Paul Brook <paul@codesourcery.com>
1689 * combine.c (can_change_dest_mode): New function.
1690 (try_combine, simplify_set): Use it.
1692 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
1694 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1697 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
1699 * doc/install.texi (Specific): Adjust link to openavr.org.
1700 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1701 (Binaries): Adjust HP-UX Porting Center link.
1702 (Binaries): Adjust Free Software Foundation ordering link.
1704 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
1706 * convert.c (convert_to_integer): Use fold_build1 instead of
1707 build1 when converting an integer to an integer.
1709 2005-08-02 Richard Henderson <rth@redhat.com>
1711 * combine.c (combine_instructions): Don't use reg_equal/equiv
1712 results if the mode doesn't match.
1714 2005-08-02 Mark Mitchell <mark@codesourcery.com>
1716 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1717 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1719 2005-08-02 Richard Henderson <rth@redhat.com>
1722 * explow.c (memory_address): Remove special-case for
1723 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1725 2005-08-02 Diego Novillo <dnovillo@redhat.com>
1728 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1729 number of calls to cleanup_tree_cfg_1.
1731 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
1733 * doc/invoke.texi: document file extensions .F90 and .F95
1735 2005-08-02 Richard Guenther <rguenther@suse.de>
1737 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1738 positive if its first argument is positive.
1740 2005-08-02 Richard Guenther <rguenther@suse.de>
1742 PR tree-optimization/23177
1743 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1746 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
1748 PR tree-optimization/23129
1749 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1750 varying for divisions with anti-ranges.
1752 2005-08-02 Jan Hubicka <jh@suse.cz>
1754 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1755 * tree-ssa-threadupdate.c (thread_block): Add it here.
1757 2005-08-01 James E Wilson <wilson@specifix.com>
1759 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1760 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1761 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1763 * config/mips/predicates.md (const_call_insn_operand): Add check for
1764 SYMBOL_REF_LONG_CALL_P.
1765 * doc/extend.texi (long_call): Document the new attribute.
1767 2005-08-01 Ian Lance Taylor <ian@airs.com>
1768 Richard Henderson <rth@redhat.com>
1770 * Makefile.in (RTL_BASE_H): Add real.h.
1771 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1773 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1775 * rtl.c (rtl_check_failed_code_mode): New.
1776 * rtl.h (struct rtx_def): Add u.rv.
1777 (XCMWINT, XCNMPRV): New.
1778 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1779 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1781 2005-08-01 Richard Henderson <rth@redhat.com>
1783 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1784 with auto-inc codes.
1786 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1788 2005-08-01 Jan Hubicka <jh@suse.cz>
1790 * i386-protos.h (asm_preferred_eh_data_format): Declare.
1791 * i386.c: Include dwarf2.h
1792 (asm_preferred_eh_data_format): New.
1793 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1795 2005-08-01 Ian Lance Taylor <ian@airs.com>
1797 * config/host-linux.c (linux_gt_pch_get_address): Add new name
1798 randomize_va_space for virtual address randomization control.
1800 2005-08-01 Steven Bosscher <stevenb@suse.de>
1802 * common.opt (flag_ipa_cp): Put in right place to maintain
1805 2005-08-01 Jan Hubicka <jh@suse.cz>
1807 * profile.c (compute_value_histograms): Fix thinko.
1808 * value-prof.c: Include toplev.h
1809 (check_counter): New function.
1810 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1811 tree_mod_subtract_transform): Add sanity check.
1813 2005-08-01 Richard Guenther <rguenther@suse.de>
1815 PR tree-optimization/23133
1816 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1817 current functions parameter decls to find defs to cse
1820 2005-08-01 Richard Guenther <rguenther@suse.de>
1822 PR tree-optimization/23109
1823 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1824 If trapping math is in effect, use post-dominator information
1825 to check if we'd in any case reach a trapping point before
1826 doing the reciprocal insertion.
1827 (execute_cse_reciprocals): Compute post-dominators, if necessary.
1828 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1829 expressions are invariant only if trapping math is not in effect.
1831 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1833 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1834 cgraph_function_versioning): New declarations.
1835 * cgraphunit.c: Add include to ipa-prop.h.
1836 (update_call_expr, cgraph_copy_node_for_versioning,
1837 cgraph_function_versioning): New functions.
1838 * integrate.c (copy_decl_for_inlining): Remove.
1839 * ipa-prop.h (ipa_replace_map): New struct.
1840 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1841 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1842 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1843 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1844 ipcp_iterate_stage, ipcp_method_scale_print,
1845 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1846 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1847 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1848 ipcp_update_bb_counts, ipcp_update_profiling,
1849 ipcp_update_edges_counts): New functions.
1850 (ipcp_method_cval_init): Remove restriction regarding local methods.
1851 (ipcp_init_stage): Add ipcp_method_compute_scale.
1852 (ipcp_insert_stage): Add versioning.
1853 (ipcp_structures_print): Add ipcp_method_scale_print.
1854 (ipcp_driver): Dump profiling info.
1855 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1856 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1857 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1858 (struct inline_data): Add versioning_p, ipa_info, new fields.
1859 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1860 declare_return_variable): Replace calls to copy_decl_for_inlining with
1862 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1864 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1865 Add argument VERSIONING.
1866 (copy_arguments_for_versioning, copy_static_chain,
1867 function_versionable_p, tree_versionable_function_p,
1868 tree_function_versioning, replace_ref_tree): New functions.
1869 * tree-inline.h: Include varray.h.
1870 (tree_versionable_function_p, tree_function_versioning,
1871 tree copy_decl_for_dup): New declarations.
1873 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1875 * ipa-cp.c: New file. Contains IPCP specific functionality.
1876 * ipa-prop.h: New file. Contains structures/definitions that can be
1877 used by several interprocedural data flow optimizations (and also IPCP).
1878 * ipa-prop.c: New file.
1879 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1880 * common.opt: Add ipa-cp flag.
1881 * timevar.def: Add IPCP optimization.
1882 * tree-optimize.c (init_tree_optimization_passes): Schedule
1884 * tree-pass.h (pass_ipa_cp): Declare.
1886 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
1888 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1889 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1890 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1891 config/i386/i386.c, config/mips/mips.h,
1892 config/rs6000/rs6000.h, config/sh/sh.c,
1893 config/stormy16/stormy16.c: Fix comment typos.
1895 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
1898 * c-typeck.c (build_binary_op): Use common_type wrapper on
1900 (common_type): Update comment.
1902 2005-07-31 Steven Bosscher <stevenb@suse.de>
1905 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1906 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1907 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1909 2005-07-31 Jan Hubicka <jh@suse.cz>
1911 * pretty-print.h (pp_widest_integer): New macro.
1912 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1915 2005-07-31 Jan Hubicka <jh@suse.cz>
1917 * output.h (enum section_category): Export from varasm.c
1918 (categorize_decl_for_section): Likewise.
1919 * varasm.c (enum section_category): Kill.
1920 (categorize_decl_for_section): Make global.
1921 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1923 * i386.c (ix86_section_threshold): New static variable.
1924 (ix86_in_large_data_p, ix86_encode_section_info,
1925 x86_64_elf_unique_section,
1926 x86_64_elf_select_section): New functions.
1927 (TARGET_ENCODE_SECTION_INFO): Define
1928 (override_options): Enable medium model for PIC.
1929 (ix86_expand_prologue): Expand gen_set_got_rex64.
1930 (legitimate_constant_p): Handle new UNSPECs.
1931 (legitimate_pic_address_disp_p): Likewise.
1932 (legitimize_pic_address): Lower MEDIUM model addressing.
1933 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1934 (enum cmodel): Add MEDIUM_PIC.
1935 (SYMBOL_REF_FAR_ADDR_P): New macro.
1936 (SYMBOL_FLAG_FAR_ADDR): New flag.
1937 * i386.md (movdi): Support medium model.
1938 (set_got_rex64): New pattern.
1939 * i386.opt (mlarge-data-threshold): New flag.
1940 * predicates.md (zext_operand/sext_operand): Deal with medium model.
1941 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1942 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1943 TARGET_ASM_UNIQUE_SECTION): New.
1945 * invoke.texi (-mlarge_data_threshold): Document
1947 2005-07-31 Jan Hubicka <jh@suse.cz>
1949 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1950 (coalesce_vars): Likewise.
1951 * tree-ssa-live.c (coalesce_cost): New.
1952 (build_tree_conflict_graph): Use coalesce_cost.
1953 * tree-ssa-live.h (coalesce_cost): Declare.
1955 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
1957 * arm.md (all peepholes for post-increment operations): Delete.
1958 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1959 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1960 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1961 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1962 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1964 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
1966 * fold-const.c (tree_expr_nonnegative_p): Always return true for
1969 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
1972 * doc/invoke.texi: Document -rdynamic.
1974 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
1977 * c-parser.c (c_parser_parms_list_declarator): Call
1978 mark_forward_parm_decls.
1979 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1980 decls with visibility structure.
1982 2005-07-30 Paul Brook <paul@codesourcery.com>
1984 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1986 2005-07-30 Paul Brook <paul@codesourcery.com>
1988 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1990 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1992 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1994 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1997 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1998 nested function declarators.
1999 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2000 (grokparms): Call warn_if_shadowing for parameters used within the
2002 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2003 not used within the parameter list.
2004 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2006 2005-07-30 Jan Hubicka <jh@suse.cz>
2008 * expr.c (expand_expr_real_1): Do not load mem targets into register.
2009 * i386.c (ix86_fixup_binary_operands): Likewise.
2010 (ix86_expand_unary_operator): Likewise.
2011 (ix86_expand_fp_absneg_operator): Likewise.
2012 * optabs.c (expand_vec_cond_expr): Validate dest.
2014 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2017 * real.c (real_from_string): Also set last bit if there is a
2018 nonzero hex digit beyond GCC's internal precision after ".".
2020 2005-07-29 David Edelsohn <edelsohn@gnu.org>
2022 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2023 define_constants. Change duplicate values to unassigned numbers.
2024 Change UNSPEC_SUBS to UNSPEC_VSUBS.
2025 (*altivec_vspltsf): New.
2026 (altivec_vperm_v4sf): Delete.
2027 (altivec_vperm_<mode>): Use mode macro V.
2028 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2029 (altivec_predicate_v4sf): Delete.
2030 (altivec_predicate_<mode>): Use mode macro V.
2031 (*altivec_lvesfx): New.
2032 (*altivec_stvesfx): New.
2033 (vec_realign_load_v4sf): Delete.
2034 (vec_realign_load_<mode>): Use mode macro V.
2035 * config/rs6000/rs6000.c (generate_set_vrsave): Use
2038 2005-07-29 Mark Mitchell <mark@codesourcery.com>
2041 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2043 * configure: Regenerated.
2045 2005-07-29 Paul Brook <paul@codesourcery.com>
2047 * doc/install.texi: Add link to GFortran binaries wiki page.
2049 2005-07-29 David Ung <davidu@mips.com>
2051 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2052 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2053 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2054 * config/mips/mips.md (cpu): Add 5kf name.
2055 (includes): Includes 5k.md.
2056 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2057 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2060 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2063 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2064 (cleanup_tree_cfg): ... here.
2065 Call cleanup_tree_cfg_1 until there are no more cleanups to
2068 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
2070 * tree-vrp.c (compare_range_with_value): Return true or false
2071 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2072 EQ_EXPR respectively.
2074 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
2076 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2079 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2081 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2082 (tree_ssa_dominator_optimize): Increment it.
2083 (dump_dominator_optimization_stats): Print it.
2085 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
2086 Steven Bosscher <stevenb@suse.de>
2088 PR rtl-optimization/23117
2089 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2090 when head == tail. Tidy comment.
2092 2005-07-28 Richard Henderson <rth@redhat.com>
2094 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2095 * cselib.c (rtx_equal_for_cselib_p): Likewise.
2096 * jump.c (rtx_renumbered_equal_p): Likewise.
2097 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2098 CONST_INT and CONST_DOUBLE.
2099 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2100 * reload.c (operands_match_p): Special case CONST_INT and
2101 CONST_DOUBLE; check mode earlier.
2103 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2106 * c-typeck.c (convert_for_assignment): Do not check
2107 DECL_IN_SYSTEM_HEADER on NULL fundecl.
2109 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2112 * c-typeck.c (composite_type): Prefer constant size arrays to
2115 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2118 * real.c (real_from_string): Set last bit if there is a nonzero
2119 hex digit beyond GCC's internal precision.
2121 2005-07-28 Richard Henderson <rth@redhat.com>
2124 * cfgcleanup.c (try_forward_edges): Watch out for end of
2127 2005-07-28 James E Wilson <wilson@specifixinc.com>
2130 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2132 2005-07-28 Jan Hubicka <jh@suse.cz>
2134 * Makefile.in (rtl-profile.o): Kill all traces of it.
2135 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2136 * coverage.h (rtl_coverage_counter_ref): Kill.
2137 * opts.c (flag_speculative_prefetching_set): Kill.
2138 (flag_loop_optimize_set): New.
2139 (common_handle_option): Disable loop optimizer when profiling;
2140 do not handle speculative prefetching.
2141 * passes.c (init_optimization_passes): Replace pass_profiling combo
2142 by branch_prob pass.
2143 * profile.c (compute_value_histograms): Update for simplified value
2145 (rtl_register_profile_hooks): Kill.
2146 (pass_profiling): Kill.
2147 (rest_of_handle_branch_prob): Do not profile.
2148 * toplev.c (process_options): Remove speculative prefetching.
2149 * toplev.h (flag_tree_based_profiling): Kill.
2150 * tree-profile.c (prepare_instrumented_value,
2151 tree_gen_interval_profiler, tree_gen_pow2_profiler,
2152 tree_gen_one_value_profiler, do_tree_profiling): Update for
2153 simplified datastructures.
2154 * value-prof.c: Add comment that speculative prefetching was dropped;
2155 update rest of file for simplified datastructures.
2156 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2157 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2158 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2159 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2160 rtl_mod_subtract, gen_speculative_prefetch,
2161 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2162 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2163 (gate_handle_value_profile_transformations,
2164 rest_of_handle_value_profile_transformations,
2165 pass_value_profile_transformations): Kill.
2166 * value-prof.h (histogram_value_t): Remove IL based unions.
2167 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2168 rtl_profile_hooks): Remove hooks.
2170 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2172 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2173 (cgraph_clone_node): Likewise.
2174 * cgraph.h (cgraph_clone_edge): Update prototype.
2175 (cgraph_clone_node): Likewise.
2176 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2178 (lookup_recursive_calls): Consider profile.
2179 (cgraph_decide_recursive_inlining): Fix updating; use new
2180 probability argument; use profile.
2181 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2182 * tree-inline.c (copy_bb): Update clal of clone_edge.
2183 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2185 * invoke.texi (min-inline-recursive-probability): Document.
2187 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
2189 * doc/install.texi (Configuration): Update Valgrind homepage.
2191 2005-07-28 Richard Henderson <rth@redhat.com>
2194 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2195 labels we want to delete.
2196 (cfg_layout_merge_blocks): Likewise.
2198 2005-07-28 Richard Henderson <rth@redhat.com>
2201 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2202 when expanding to nothing.
2204 2005-07-28 Josh Conner <jconner@apple.com>
2206 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2207 (cgraph_decide_inlining_of_small_functions): Likewise.
2209 2005-07-28 Josh Conner <jconner@apple.com>
2211 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
2212 direction of badness if negative.
2213 (cgraph_default_inline_p): Add reason to parameters, and assign it
2215 (cgraph_decide_inlining_of_small_functions): New parameter in call
2216 to cgraph_default_inline_p.
2217 (cgraph_decide_inlining_incrementally): Likewise.
2218 * cgraphunit.c (decide_is_function_needed): Likewise.
2219 * cgraph.h (cgraph_default_inline_p): Likewise.
2221 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2223 * builtins.c: Fix comment typo(s).
2224 * genautomata.c: Likewise.
2225 * gimplify.c: Likewise.
2226 * tree-dfa.c: Likewise.
2227 * tree-flow-inline.h: Likewise.
2228 * tree-into-ssa.c: Likewise.
2229 * tree-ssa-alias.c: Likewise.
2230 * tree-ssa-ccp.c: Likewise.
2231 * tree-ssa-copy.c: Likewise.
2232 * tree-ssa-dce.c: Likewise.
2233 * tree-ssa-dom.c: Likewise.
2234 * tree-ssa-operands.c: Likewise.
2235 * tree-tailcall.c: Likewise.
2236 * tree-vectorizer.c: Likewise.
2237 * tree-vrp.c: Likewise.
2240 2005-07-28 Jeff Law <law@redhat.com>
2242 * tree-vrp.c (test_for_singularity): Extracted from ...
2243 (simplify_cond_using_ranges): Attempt to simplify a relational
2244 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
2246 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
2248 PR tree-optimization/22506
2249 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2250 phis whose argument is constant.
2252 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
2254 PR rtl-optimization/18992
2255 Back out this patch:
2256 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2257 PR optimization/12142
2258 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2259 uses of the register in the SET_SRC. Remove unnecessary argument.
2261 Replace it with this:
2262 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2263 if flag_non_call_exceptions is set and the insn may trap, pass
2264 pc_rtx as dest for recursion.
2265 In SET_SRC part of SET case, if dest is already set, pass it down
2268 2005-07-28 Jan Hubicka <jh@suse.cz>
2270 * cfg.c (update_bb_profile_for_threading): Use RDIV.
2271 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2272 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2274 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2275 profile when available.
2277 2005-07-28 Jan Beulich <jbeulich@novell.com>
2279 * config/ia64/ia64.c (ia64_load_pair_ok): New.
2280 (ia64_print_operand): Describe and handle 'X'.
2281 (ia64_register_move_cost): Also handle FP_REGS.
2282 (ia64_preferred_reload_class): Likewise.
2283 (ia64_secondary_reload_class): Likewise.
2284 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2285 it. Also check for ITANIUM_CLASS_FLDP.
2286 * config/ia64/ia64.h (FP_REGNO_P): New.
2287 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2288 (reg_class): Add FP_REGS.
2289 (REG_CLASS_NAMES): Adjust for it.
2290 (REG_CLASS_CONTENTS): Likewise.
2291 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2292 (REG_CLASS_FROM_LETTER): Handle 'x'.
2293 (CLASS_MAX_NREGS): Handle FP_REGS.
2294 (MEMORY_MOVE_COST): Likewise.
2295 * config/ia64/ia64.md (itanium_class): Add fldp.
2296 (type): Handle fldp.
2297 (movti_internal): More allowable operand combinations. Use ldfp8 when
2298 splitting unnecessary. Remove predicable attribute. Adjust
2299 itanium_class attribute.
2300 (smuldi3_highpart): Remove outdated comment.
2301 (mulditi3, umulditi3, rotlti3): New expanders.
2302 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2303 (absti2): Disabled new insn for future reference.
2304 Respective new splitters.
2305 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2306 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2307 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2309 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
2311 PR rtl-optimization/23047
2312 * simplify-rtx.c (simplify_const_relational_operation): Respect
2313 flag_wrapv for comparisons with ABS.
2315 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
2317 PR tree-optimization/22493
2318 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2319 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2321 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
2323 * config/frv/frv.opt (moptimize-membar): New.
2325 * doc/invoke.texi: Document -moptimize-membar and its inverse.
2327 * config/frv/frv.h: Remove machine_function definition.
2329 * config/frv/frv.c (struct frv_io): New.
2330 (struct machine_function): Moved from frv.h. Add has_membar_p.
2331 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2332 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2333 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2334 (frv_optimize_membar_global, frv_optimize_membar): New functions.
2335 (frv_reorg): Call frv_optimize_membar when appropriate.
2336 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2337 (frv_expand_builtin): Adjust calls accordingly.
2338 (frv_io_address_cookie): New function.
2339 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2340 load or store rather than a special insn. Add ccnstant address and
2341 io-type operands to the membar.
2342 (frv_ifcvt_modify_tests): Unsign regno.
2343 (frv_ifcvt_modify_tests): Same.
2345 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
2346 UNSPEC_OPTIONAL_MEMBAR constant.
2347 (builtin_read_<mode>): Delete.
2348 (builtin_write_<mode>): Delete.
2349 ("optional_membar_<mode>"): Add operand.
2351 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2352 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2353 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2354 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2355 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2356 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2357 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2358 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2359 * testsuite/gcc.target/frv/all-read-write-1.c: New.
2361 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
2363 * df.c (df_uses_record): Handle SCRATCH.
2365 2005-07-28 Steven Bosscher <stevenb@suse.de>
2368 * passes.c (rest_of_decl_compilation): If decl is a type and
2369 we have encountered errors, don't emit debug information.
2371 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2373 * params.def: Fixed comment.
2375 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
2378 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2379 (TARGET_ASM_UNALIGNED_HI_OP): Add.
2380 (TARGET_ASM_UNALIGNED_SI_OP): Add.
2382 2005-07-27 Steven Bosscher <stevenb@suse.de>
2385 * varasm.c (assemble_start_function): Don't do anything that may
2386 require a CFG if the current function is a thunk.
2388 2005-07-25 Geoffrey Keating <geoffk@apple.com>
2390 * doc/install.texi (Prerequisites): Mention that perl is needed
2391 to do export control in libstdc++ targetting Darwin.
2393 2005-07-27 Steven Bosscher <stevenb@suse.de>
2395 PR rtl-optimization/17808
2396 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2397 (sched_insns_conditions_mutex_p): Split out from...
2398 (add_dependence): ...here. But don't call it from here.
2399 (add_dependence_list): Check sched_insns_conditions_mutex_p
2400 before calling add_dependence.
2401 (add_dependence_list_and_free): Likewise.
2402 (fixup_sched_groups): Likewise.
2403 (sched_analyze_1): Likewise.
2404 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2405 (sched_analyze): Likewise.
2406 (sched_analyze_insn): Likewise.
2407 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2408 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
2409 dependencies on all COND_EXEC insns to jumps ending basic blocks
2410 when doing intrablock scheduling.
2411 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2413 2005-07-27 Jeff Law <law@redhat.com>
2415 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2416 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
2417 equivalency sets, correctly handle the case were vr0 has an
2418 equivalency set, but vr1 does not.
2420 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
2422 PR tree-optimization/23073
2423 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2424 vect_print_dump_info before fprintf.
2426 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2428 PR tree-optimize/22348
2429 * tree-ssa-loop-niter.c (number_of_iterations_cond):
2430 Fold the partial computation.
2432 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2434 PR tree-optimization/22325
2435 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2437 * tree-scalar-evolution.c (scev_const_prop): Add generic final
2439 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2440 (force_var_cost): ... this function.
2441 (compute_phi_arg_on_exit): Export.
2443 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2445 PR tree-optimization/20773
2446 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2449 2005-07-27 Richard Guenther <rguenther@suse.de>
2451 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2452 Avoid pushing again if current struct contains only
2453 fields we decomposed.
2455 2005-07-27 Jan Hubicka <jh@suse.cz>
2457 PR tree-optimization/22574
2458 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2461 * tree-tailcall.c (decrease_profile): New function.
2462 (eliminate_tail_call): Use it.
2464 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2465 visibility flags correctly in whole program mode.
2467 2005-07-26 Steve Ellcey <sje@cup.hp.com>
2469 PR rtl-optimization/22472
2470 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2472 2005-07-26 Steven Bosscher <stevenb@suse.de>
2474 PR tree-optimization/22504
2475 * tree-complex.c (expand_complex_addition): Use 'code' instead
2476 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2478 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2480 * config.gcc (cpu_type): Add frv case.
2481 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2482 (supported_defaults): Add fr550 case.
2484 2005-07-26 Diego Novillo <dnovillo@redhat.com>
2487 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2488 whether a pointer of type T * may point to objects of type T *.
2490 2005-07-26 DJ Delorie <dj@redhat.com>
2492 * configure: Regenerate.
2494 2005-07-26 Dale Johannesen <dalej@apple.com>
2496 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
2498 2005-07-26 Mark Mitchell <mark@codesourcery.com>
2500 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2501 Clarify use of "build" in name.
2503 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2505 * doc/extend.texi (Raw read/write Functions): New section.
2506 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2507 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2508 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2509 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2510 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2511 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2512 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2513 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2514 * config/frv/frv.c: Add bdesc_loads global.
2515 Add bdesc_stores global.
2516 (frv_init_builtins): Add support for __builtin_{read/write}*.
2517 (frv_volatile_memref): New.
2518 (frv_expand_load_builtin): New.
2519 (frv_expand_store_builtin): New.
2520 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2521 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2522 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2523 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2524 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2525 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2526 (builtin_read_<mode>): New.
2527 (builtin_write_<mode>): New.
2528 (builtin_write64): New.
2529 (optional_membar_<mode>): New.
2531 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
2533 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2534 (rather than units) against HOST_BITS_PER_WIDE_INT.
2536 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
2538 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2539 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2540 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2541 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2544 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2545 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2546 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2548 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2550 2005-07-26 Richard Guenther <rguenther@suse.de>
2552 PR tree-optimization/22486
2553 * fold-const.c (fold_unary): Fold away useless component
2554 references of the form (T *)&T.x, if the address
2557 2005-07-25 James E Wilson <wilson@specifixinc.com>
2559 * dwarf2out.c (add_call_src_coords_attributes): New.
2560 (gen_inlined_subroutine_die): Call it.
2561 (maybe_emit_file, init_file_table): Add comments.
2562 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2564 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2565 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2566 * tree.h (BLOCK_SOURCE_LOCATION): New.
2567 (struct tree_block): New field locus.
2569 2005-07-26 Andreas Schwab <schwab@suse.de>
2571 PR rtl-optimization/23043
2572 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2573 when allocating a struct unoccr.
2575 2005-07-25 Richard Henderson <rth@redhat.com>
2578 * tree-complex.c (gate_no_optimization): True if errors.
2579 * Makefile.in (tree-complex.o): Update dependencies.
2581 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
2583 * config/frv/predicates.md (integer_register_operand): Use
2586 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2589 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2591 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2593 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2595 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2596 types when flag_unsafe_math_optimizations is true.
2598 2005-07-25 Mark Mitchell <mark@codesourcery.com>
2600 * gcc.c (option_map): Add --sysroot.
2601 (process_command): Handle --sysroot.
2602 (display_help): Document it.
2603 * doc/cppopts.tex (-isysroot): Document.
2604 * doc/invoke.texi (--sysroot): Document.
2605 * doc/install.texi (--with-build-sysroot): Document.
2607 * Makefile.in (inhibit_libc): New variable.
2608 (INHIBIT_LIBC_CFLAGS): Likewise.
2609 (LIBGCC2_CFLAGS): Include
2610 $(INHIBIT_LIBC_CFLAGS).
2611 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2612 ($(T)crtbegin.o): Do not use @inhibit_libc@.
2613 ($(T)crtend.o): Likewise.
2614 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2615 ($(T)crtendS.o): Likewise.
2616 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2617 ($(T)crtendT.o): Likewise.
2618 (stmp-fixinc): Do not complain about missing headers if
2620 * configure.ac (inhibit_libc): Set it to true/false.
2621 (--with-build-sysroot): New option. Use it to set
2623 * configure: Regenerated.
2625 2005-07-25 Manfred Hollstein <mh@suse.com>
2627 * calls.c (store_one_arg): Fix unsigned comparison warning.
2629 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2632 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2633 (ggc_print_statistics): Initialize variable before use.
2635 2005-07-25 Richard Guenther <rguenther@suse.de>
2637 * tree-dfa.c (mark_new_vars_to_rename): Protect against
2638 calling with a PHI_NODE argument.
2640 * tree-flow-inline.h (overlap_subvar): Protect against
2643 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
2645 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2646 * configure: Regenerate.
2648 2005-07-25 Ira Rosen <irar@il.ibm.com>
2650 * expr.c (highest_pow2_factor): Make extern.
2651 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2652 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2653 record_array_differ_p, array_ptr_differ_p): Likewise.
2654 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2655 additional cases. Call the above functions.
2656 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2657 base_object_differ_p when there are two base objects. Otherwise, compare
2658 base address and offset. Call may_alias_p.
2659 (dump_data_reference): Use a correct field name.
2660 (analyze_array): Make static. Initialize new data-ref fields.
2661 (analyze_indirect_ref): New function.
2662 (init_data_ref): Initialize new data-ref fields.
2663 (strip_conversion): Moved from tree-vect-analyze.c.
2664 (analyze_offset_expr, get_ptr_offset, address_analysis,
2665 object_analysis): Likewise.
2666 (analyze_offset): New function.
2667 (create_data_ref): Likewise.
2668 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2669 dimensions for ARRAY_REFs only.
2670 (build_classic_dist_vector): Make static.
2671 (access_functions_are_affine_or_constant_p): Call macro to get the
2672 address of access functions.
2673 (compute_all_dependences): Add new parameter
2674 compute_self_and_read_read_dependences. Compute self and read-read
2675 dependences if it is true.
2676 (find_data_references_in_loop): Call create_data_ref. Initialize new
2678 (compute_data_dependences_for_loop): Add new parameter
2679 compute_self_and_read_read_dependences. Remove parameter nb_loops,
2680 compute nb_loops. Call compute_all_dependences,
2681 build_classic_dist_vector and build_classic_dir_vector with correct
2683 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2684 with correct parameters. Compare dimensions for ARRAY_REFs only.
2685 (free_data_refs): Call macro to free access functions.
2686 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2687 fields from stmt_vinfo.
2688 (struct base_object_info): New structure.
2689 (struct data_reference): Move fields to base_object_info. Add fields
2690 first_location and object_info for above structures. Move fields from
2691 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2692 aligned_to. Add macros to access the new fields.
2693 Update functions declarations.
2694 * tree-flow.h (is_aliased_with): Declare.
2695 * tree-loop-linear.c (linear_transform_loops): Call
2696 compute_data_dependences_for_loop with correct parameters.
2697 * tree-ssa-alias.c (is_aliased_with): New function.
2698 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2699 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2700 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2701 vect_base_addr_differ_p, compute_subscript_distance and
2702 build_classic_dist_vector. Add printings. Check absolute value of
2704 (vect_analyze_data_ref_dependences): Go through ddrs instead of
2706 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2707 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2708 to bytes. Add printing.
2709 (vect_compute_data_refs_alignment): Go through loads and stores in one
2711 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2712 vect_analyze_data_ref_access): Likewise.
2713 (vect_analyze_pointer_ref_access): Remove.
2714 (vect_address_analysis, vect_object_analysis): Likewise.
2715 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2716 and analyze data-refs in the loop.
2717 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2718 fields of data-ref instead of stmt. Add init to the offset from the
2720 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2721 (vect_update_init_of_dr): Likewise.
2722 (vect_update_inits_of_drs): Go through loads and stores in one loop.
2723 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2725 (new_loop_vec_info): Initialize new fields.
2726 (destroy_loop_vec_info): Free new fields.
2727 (vect_strip_conversion): Remove.
2728 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2729 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2730 datarefs. Add new field ddrs.
2731 Add macros for the new fields access.
2732 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2733 base_aligned_p, misalignment, memtag, ptr_info and subvars.
2734 Remove their macros.
2735 * tree.h (highest_pow2_factor): Declare.
2737 2005-07-25 Jakub Jelinek <jakub@redhat.com>
2739 * calls.c (store_one_arg): Check for sibling call MEM arguments
2740 from already clobbered incoming argument area.
2742 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * c-common.c (check_missing_format_attribute): New.
2745 * c-common.h (check_missing_format_attribute): Likewise.
2746 * c-typeck.c (convert_for_assignment): Use it.
2748 2005-07-24 Andreas Schwab <schwab@suse.de>
2750 * config/m68k/m68k.md ("extendqidi2"): When source is an address
2751 register use a word move. Correct operand of ext.w in 68000 code.
2753 2005-07-23 Mark Mitchell <mark@codesourcery.com>
2755 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2756 variables as declarations, rather than definitions.
2758 2005-07-24 Ira Rosen <irar@il.ibm.com>
2760 PR tree-optimization/22526
2761 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2764 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2766 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2767 that C99 reserve for future use. Use it to define clog10,
2768 clog10f and clog10l.
2770 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2773 * configure.ac: Check for -Wmissing-format-attribute.
2775 * configure: Regenerate.
2777 2005-07-23 Richard Henderson <rth@redhat.com>
2779 PR tree-optimization/22623
2780 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2782 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
2785 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2787 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * Makefile.in (C_TREE_H): Update dependencies.
2790 * c-tree.h: Include toplev.h.
2791 * diagnostic.h (diagnostic_set_info): Add format attribute.
2792 * rtl-error.c (diagnostic_for_asm): Likewise.
2794 2005-07-23 Chao-ying Fu <fu@mips.com>
2796 * config/mips/mips-dsp.md: New file.
2797 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2798 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2800 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2801 MIPS_BUILTIN_BPOSGE32.
2802 (mips_expand_builtin_direct): Add one parameter to indicate that
2803 builtin functions need to return a value.
2804 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2806 (mips_regno_to_class): Add classes for 12 new DSP registers.
2807 (mips_subword): Change to check four HI registers.
2808 (mips_output_move): Output move to and from 6 new DSP accumulators.
2809 (override_options): Make sure -mdsp and -mips16 are not used together.
2810 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
2812 (mips_conditional_register_usage): Disable 6 new DSP accumulators
2814 (print_operand): Add 'q' for printing DSP accumulators.
2815 (mips_cannot_change_mode_class): Check ACC_REGS.
2816 (mips_secondary_reload_class): Check ACC_REGS.
2817 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2818 (mips_register_move_cost): Check ACC_REGS.
2819 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2820 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2821 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2822 (dsp_bdesc): New array.
2823 (bdesc_arrays): Add DSP builtin function table.
2824 (mips_prepare_builtin_arg): Check predicate again after
2826 (mips_expand_builtin): Add one more parameter to
2827 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2828 MIPS_BUILTIN_BPOSGE32.
2829 (mips_init_builtins): Initialize new function types.
2830 (mips_expand_builtin_direct): Check if builtin functions need to
2831 return a value and pass operands properly.
2832 (mips_expand_builtin_bposge): New function.
2833 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2834 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2835 (FIRST_PSEUDO_REGISTER): Increase to 188.
2836 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2837 Update for 12 new DSP registers.
2838 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2839 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2840 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2841 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2842 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2843 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2844 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2845 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2846 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2847 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2848 (REGISTER_NAMES): Add names for 12 new DSP registers.
2849 * config/mips/mips.md: Include mips-dsp.md.
2850 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2851 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2852 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2853 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2854 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2855 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2856 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2857 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2858 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2859 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2860 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2861 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2862 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2863 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2864 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2865 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2866 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2867 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2868 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2869 (UNSPEC_RDDSP): New constants.
2870 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2871 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
2873 * config/mips/mips.opt (-mdsp): New option.
2874 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2875 (reg_imm10_operand): New predicates.
2876 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2877 * doc/invoke.texi (-mdsp): Document new option.
2879 2005-07-22 DJ Delorie <dj@redhat.com>
2881 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2883 * tree-inline.c (inlinable_function_p): Likewise.
2885 2005-07-22 Mark Mitchell <mark@codesourcery.com>
2888 * toplev.c (check_global_declarations): Do not mark undefined
2889 variables as DECL_IGNORED_P.
2890 * varasm.c (first_global_object_name): GTY it.
2891 (weak_global_object_name): Likewise.
2892 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2893 a string to go into {weak,first}_global_object_name.
2895 2005-07-22 DJ Delorie <dj@redhat.com>
2897 * c-format.c (check_function_format): Change warning control
2898 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2900 2005-07-22 Diego Novillo <dnovillo@redhat.com>
2902 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2903 &PTR->FLD a dereference of PTR.
2904 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2905 a potential dereference of PTR.
2907 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
2909 PR rtl-optimization/20370
2910 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2911 call allocate_reg_info if necessary.
2913 PR rtl-optimization/21848
2914 * calls.c (emit_library_call_value_1): For const functions, add
2915 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2917 PR rtl-optimization/22445
2918 * cselib.c (target.h): Include.
2919 (rtx_equal_for_cselib_p): Allow commutative matches.
2920 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2921 Remove MODE parameter. Changed all callers.
2923 PR rtl-optimization/22258
2924 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2926 (try_combine): Use likely_spilled_retval_p.
2928 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
2930 * config.gcc: Add crx-elf support.
2932 * doc/contrib.texi: Mention crx.
2933 * doc/extend.texi: Document crx extensions.
2934 * doc/install.texi: Document crx install.
2935 * doc/invoke.texi: Document crx options.
2936 * doc/md.texi: Document crx constraints.
2938 * config/crx/crx-protos.h: New file.
2939 * config/crx/crx.c: New file.
2940 * config/crx/crx.h: New file.
2941 * config/crx/crx.md: New file.
2942 * config/crx/crx.opt: New file.
2943 * config/crx/t-crx: New file.
2945 2005-07-22 Manfred Hollstein <mh@suse.com>
2947 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2949 (int_add_graph_edge): Likewise.
2950 (collapse_nodes): Likewise.
2951 (process_unification_queue): Likewise.
2953 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2954 Laurent GUERBY <laurent@guerby.net>
2956 PR tree-optimization/22336
2957 * function.c (record_block_change): Check for
2958 cfun->ib_boundaries_block.
2960 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
2962 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2963 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2965 2005-07-21 DJ Delorie <dj@redhat.com>
2967 * toplev.c (warn_deprecated_use): Add warning control to warning
2969 * c-typeck.c (parser_build_binary_op): Likewise.
2970 (c_finish_if_stmt): Likewise.
2971 * c-common.c (check_function_sentinel): Likewise.
2972 (check_nonnull_arg): Likewise.
2974 2005-07-21 Richard Henderson <rth@redhat.com>
2977 * tree-complex.c (complex_ssa_name_components): New.
2978 (cvc_lookup): Allow entry not found.
2979 (create_components): Remove.
2980 (create_one_component_var, get_component_var): New.
2981 (get_component_ssa_name, set_component_ssa_name): New.
2982 (extract_component): Use get_component_ssa_name.
2983 (update_complex_components): Use set_component_ssa_name.
2984 (update_complex_components_on_edge): Likewise.
2985 (update_phi_components): Create new PHI nodes directly, instead
2986 of adding insns to edges.
2987 (tree_lower_complex): Allocate and free complex_variable_components
2988 and complex_ssa_name_components here.
2990 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
2992 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2993 revert to returning false.
2995 2005-07-21 Uros Bizjak <uros@kss-loka.si>
2998 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3000 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3003 * config/i386/i386.md (cmpxf): Change operand constraints
3004 to "nonmemory_operand".
3006 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3008 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3010 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3013 * fold-const.c (fold_build1): Add checksum for the operands.
3014 (fold_build2): Likewise.
3015 (fold_build3): Likewise.
3017 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3020 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3022 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3024 * common.opt (-fforward-propagate): Committed by mistake,
3027 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3029 * reg-stack.c: Fix comment typo(s).
3030 * tree-ssa-operands.c: Likewise.
3031 * tree-vectorizer: Likewise.
3033 2005-07-21 Nick Clifton <nickc@redhat.com>
3035 * config/sh/symbian.c: Replace C++ style line comments with C
3036 style line comments.
3037 (symbian_add_attribute): Do not use a ? operator on the LHS of
3039 (sh_symbian_handle_dll_attribute): Change the type of the
3040 method vector to "VEC(tree,gc)*" and use vector accessor
3041 macros to walk over the elements.
3042 (symbian_export_vtable_and_rtti_p): Likewise.
3043 (symbian_class_needs_attribute_p): Likewise.
3045 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3048 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3049 initialize targetm.resolve_overloaded_builtin here.
3050 (altivec_expand_overloaded_builtin): Make it non-static.
3051 * config/rs6000/rs6000-protos.h
3052 (altivec_expand_overloaded_builtin): New prototype.
3053 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3054 targetm.resolve_overloaded_builtin here.
3055 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3057 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3058 Zdenek Dvorak <dvorakz@suse.cz>
3060 PR tree-optimization/19210
3061 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3063 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3064 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3065 rely on unproven assumptions.
3066 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3067 * tree-flow.h (number_of_iterations_exit): Add final parameter.
3068 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3069 to number_of_iterations_exit.
3070 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3071 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3072 * tree-ssa-loop-niter.c (find_loop_niter,
3073 estimate_numbers_of_iterations_loop): Likewise.
3074 (number_of_iterations_exit): Honor the new options.
3075 * doc/invoke.texi (Wunsafe-loop-optimizations,
3076 funsafe-loop-optimizations): Document them.
3078 2005-07-21 Richard Sandiford <richard@codesourcery.com>
3080 PR rtl-optimization/22167
3081 * gcse.c (hoist_code): Fix hoist_exprs[] check.
3083 2005-07-20 Adam Nemet <anemet@lnxw.com>
3085 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3086 __do_global_dtors_aux longcall.
3088 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
3090 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3091 (old_special_pred_table): Don't reference
3092 SPECIAL_MODE_PREDICATES.
3093 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3094 * config/arc/arc.h: Don't mention PREDICATE_CODES.
3095 * config/sh/predicates.h: Don't mention
3096 SPECIAL_MODE_PREDICATES.
3097 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3100 2005-07-20 DJ Delorie <dj@redhat.com>
3102 * config.gcc: Add m32c-elf support.
3104 * doc/contrib.texi: Mention m32c.
3105 * doc/extend.texi: Document m32c extensions.
3106 * doc/install.texi: Mention m32c.
3107 * doc/invoke.texi: Document m32c options.
3108 * doc/md.texi: Document m32c constraints.
3110 * config/m32c/addsub.md: New file.
3111 * config/m32c/bitops.md: New file.
3112 * config/m32c/cond.md: New file.
3113 * config/m32c/jump.md: New file.
3114 * config/m32c/m32c-lib1.S: New file.
3115 * config/m32c/m32c-lib2.c: New file.
3116 * config/m32c/m32c-modes.def: New file.
3117 * config/m32c/m32c-pragma.c: New file.
3118 * config/m32c/m32c-protos.h: New file.
3119 * config/m32c/m32c.abi: New file.
3120 * config/m32c/m32c.c: New file.
3121 * config/m32c/m32c.h: New file.
3122 * config/m32c/m32c.md: New file.
3123 * config/m32c/m32c.opt: New file.
3124 * config/m32c/minmax.md: New file.
3125 * config/m32c/mov.md: New file.
3126 * config/m32c/muldiv.md: New file.
3127 * config/m32c/predicates.md: New file.
3128 * config/m32c/prologue.md: New file.
3129 * config/m32c/shift.md: New file.
3130 * config/m32c/t-m32c: New file.
3132 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3134 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3135 (stack_protect_set, stack_protect_test): New expanders.
3136 (stack_protect_set_si, stack_protect_set_si_media,
3137 stack_protect_set_di_media, stack_protect_test_si,
3138 stack_protect_test_si_media, stack_protect_test_di_media):
3141 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
3143 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3145 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
3147 * tree.h (tree_expr_nonzero_p): Export.
3148 * fold-const.c (tree_expr_nonzero_p): Likewise.
3149 Return true for CALL_EXPRs that are alloca calls.
3150 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3152 * tree-flow.h (expr_computes_nonzero): Remove.
3153 * tree-vrp.c (expr_computes_nonzero): Remove.
3154 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3155 (extract_range_from_unary_expr): Likewise.
3156 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3157 tree_expr_nonzero_p.
3159 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
3161 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3162 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
3163 extra arg "picreg" and use it instead of pic_offset_table_rtx.
3164 All callers changed.
3165 (frame_related_constant_load): New arg "related" which controls
3166 setting of RTX_FRAME_RELATED_P. All callers changed.
3167 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3168 (bfin_expand_prologue): Add stack limit checking.
3169 * config/bfin/bfin.md (trapifcc): New pattern.
3171 * config/bfin/bfin.c: Include "langhooks.h".
3172 (def_builtin): Go through lang_hooks to call builtin_function.
3174 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3175 * config/bfin/predicates.md (symbol_ref_operand): New.
3176 (call_insn_operand): Delete. All callers changed to use
3177 register_no_elim_operand.
3178 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3180 (function_arg): Use it to generate the call's operand 2.
3181 (bfin_longcall_p): New function.
3182 (bfin_expand_call): Extra arg "cookie". All callers and declaration
3183 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
3184 determine if the address needs to be in a REG.
3185 (bfin_handle_longcall_attribute): New function.
3186 (bfin_attribute_table): Add "longcall" and "shortcall".
3187 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3188 (CUMULATIVE_ARGS): New member call_cookie.
3189 (PREDICATE_CODES): Add symbol_ref_operand.
3190 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3191 extra USE to the pattern.
3192 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3193 New patterns, split off call_insn, sibcall_insn, call_value_insn and
3194 sibcall_value_insn; now the new patterns handle direct calls and the
3195 old ones indirect calls.
3196 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3198 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
3200 * doc/trouble.texi: Update section on handling of empty loops.
3202 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
3204 * config.gcc: Remove support for sparc-*-openbsd*,
3205 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3207 * config.host: Remove support for i860-*-sysv4* as a host.
3208 * config/i860/*, config/ip2k/*, config/ns32k/*,
3209 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3210 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3211 mention obsolete ports.
3213 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3215 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3217 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3218 of frame_pointer_rtx.
3219 (sh_expand_epilogue): Likewise.
3220 (sh_set_return_address): Likewise.
3221 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3222 instead of FRAME_POINTER_REGNUM if needed. Add elimination
3223 offsets from FRAME_POINTER_REGNUM.
3224 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3225 (sh_register_names): Add initializer for sfp.
3226 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3227 (VALID_REGISTER_P): Likewise.
3228 (FIRST_PSEUDO_REGISTER): Update.
3229 (DWARF_FRAME_REGISTERS): Define.
3230 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3231 (HARD_FRAME_POINTER_REGNUM): Define.
3232 (FRAME_POINTER_REGNUM): Redefine.
3233 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3234 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
3235 from FRAME_POINTER_REGNUM.
3236 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3237 FRAME_POINTER_REGNUM.
3238 (REG_CLASS_CONTENTS): Add sfp.
3239 (REG_ALLOC_ORDER): Likewise.
3240 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
3241 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3242 of frame_pointer_rtx.
3243 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3245 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
3247 * fold-const.c (tree_expr_nonnegative_p): Only return true for
3248 ABS_EXPR when flag_wrapv is false because of INT_MIN.
3249 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3251 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3254 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
3256 Make CONSTRUCTOR use VEC to store initializers.
3257 * c-common.c (complete_array_type): Update to cope with VEC in
3259 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3260 (pp_c_constructor_elts): New function.
3261 * c-pretty-print.h (pp_c_constructor_elts): Declare.
3262 * c-typeck.c (build_function_call, build_c_cast, digest_init,
3263 struct constructor_stack, struct initializer_stack,
3264 constructor_elements, push_init_level, pop_init_level,
3265 add_pending_init, find_init_member, output_init_element): Update to
3266 cope with VEC in CONSTRUCTOR_ELTS.
3267 * coverage.c (build_fn_info_value, build_ctr_info_value,
3268 build_gcov_info): Likewise.
3269 * expr.c (categorize_ctor_elements_1, store_constructor,
3270 expand_expr_real_1): Likewise.
3271 * fold-const.c (fold_ternary): Likewise.
3272 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3273 gimplify_init_constructor, gimplify_expr): Likewise.
3274 * tree-dump.c (dequeue_and_dump): Likewise.
3275 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3277 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3279 * tree-sra.c (generate_element_init_1): Likewise.
3280 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3281 * tree-ssa-operands.c (get_expr_operands): Likewise.
3282 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3283 * tree-vect-transform.c (vect_get_vec_def_for_operand):
3284 (get_initial_def_for_reduction): Likewise.
3285 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3286 value handle in annotations.
3287 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3288 tree_node_structure): Add support for constr_kind.
3289 (build_vector_from_ctor, build_constructor_single,
3290 build_constructor_from_list): New functions.
3291 (build_constructor): Update to take a VEC instead of a TREE_LIST.
3292 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3293 Update to cope with VEC in CONSTRUCTOR_ELTS.
3294 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3295 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3296 CONSTRUCTOR_APPEND_ELT): New macros.
3297 (struct constructor_elt, struct tree_constructor): New data types.
3298 (union tree_node): Add tree_constructor field.
3299 * treestruct.def: Define TS_CONSTRUCTOR.
3300 * varasm.c (const_hash_1, compare_constant, copy_constant,
3301 compute_reloc_for_constant, output_addressed_constants,
3302 initializer_constant_valid_p, output_constant,
3303 array_size_for_constructor, output_constructor): Update to cope with
3304 VEC in CONSTRUCTOR_ELTS.
3305 * vec.h (VEC_empty, VEC_copy): New macros.
3307 2005-07-19 Devang Patel <dpatel@apple.com>
3309 * dbxout.c (dbxout_type): Check Objective-C++ lang.
3311 2005-07-19 Richard Henderson <rth@redhat.com>
3314 * gimplify.c (gimplify_expr): Use main variant type for the temp
3315 destination for a discarded volatile read.
3316 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3317 casts between non-void types that change volatility.
3319 2005-07-15 DJ Delorie <dj@redhat.com>
3321 * toplev.h: Add comment about the first parameter for warning().
3322 * errors.h: Likewise.
3324 * c.opt (Wpragmas): New.
3325 * doc/invoke.texi: Document it.
3327 * function.c (do_warn_unused_parameter): Add warning control to
3329 * c-decl.c (warn_if_shadowing): Likewise.
3330 * c-lex.c (cb_def_pragma): Likewise.
3331 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3332 (pop_alignment): Likewise.
3333 (handle_pragma_pack): Likewise.
3334 (apply_pragma_weak): Likewise.
3335 (handle_pragma_weak): Likewise.
3336 (handle_pragma_redefine_extname): Likewise.
3337 (add_to_renaming_pragma_list): Likewise.
3338 (handle_pragma_extern_prefix): Likewise.
3339 (maybe_apply_renaming_pragma): Likewise.
3340 (handle_pragma_visibility): Likewise.
3342 * config/c4x/c4x-c.c (BAD): Likewise.
3343 (c4x_parse_pragma): Likewise.
3344 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3345 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3346 (rs6000_pragma_longcall): Likewise.
3347 * config/v850/v850-c.c (pop_data_area): Likewise.
3348 (ghs_pragma_section): Likewise.
3349 (ghs_pragma_section): Likewise.
3350 (ghs_pragma_interrupt): Likewise.
3351 (ghs_pragma_starttda): Likewise.
3352 (ghs_pragma_startsda): Likewise.
3353 (ghs_pragma_startzda): Likewise.
3354 (ghs_pragma_endtda): Likewise.
3355 (ghs_pragma_endsda): Likewise.
3356 (ghs_pragma_endzda): Likewise.
3358 2005-07-19 Danny Berlin <dberlin@dberlin.org>
3359 Kenneth Zadeck <zadeck@naturalbridge.com>
3361 * Makefile.in: Removed tree-promote-statics.c
3362 * tree-promote-statics.c: Removed.
3363 * common.opt: Removed flag-promote-statics.
3365 * passes.c: Removed tree-promote-statics pass.
3366 * tree-pass.h: Ditto.
3367 * timevar.def: Removed TV_PROMOTE_STATICS.
3370 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
3372 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3374 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3376 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3379 * c-common.c (check_function_arguments): Call
3380 'check_function_format' if either -Wformat or
3381 -Wmissing-format-attribute are specified.
3382 * c-format.c (check_function_format): Check -Wformat before
3383 calling 'check_format_info'.
3384 * c-opts.c (c_common_post_options): Don't warn for
3385 -Wmissing-format-attribute without -Wformat.
3386 * c-typeck.c (convert_for_assignment): Detect additional cases for
3387 -Wmissing-format-attribute.
3388 * doc/invoke.texi (-Wmissing-format-attribute): Document new
3391 2005-07-19 Richard Guenther <rguenther@suse.de>
3393 * config/i386/i386.md (lrint<mode>2): Use temporary
3394 instead of clobbering non-existent memory.
3396 2005-07-19 Nick Clifton <nickc@redhat.com>
3398 * config/avr/avr.c (legitimate_address_p): Fix debugging print
3399 statement to avoid displaying ASCII control characters.
3401 2005-07-19 Ben Elliston <bje@au.ibm.com>
3403 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3404 * cfganal.c (find_edge_index): Ditto.
3405 * combine.c (combine_instructions): Ditto.
3406 * ddg.c (create_scc): Ditto.
3407 (find_successors): Ditto.
3408 (find_predecessors): Ditto.
3409 (find_nodes_on_paths): Ditto.
3410 (longest_simple_path): Ditto.
3411 * flow.c (update_life_info): Ditto.
3412 (count_or_remove_death_notes): Ditto.
3413 (clear_log_links): Ditto.
3414 * modulo-sched.c (generate_reg_moves): Ditto.
3415 (find_max_asap): Ditto.
3416 (find_max_hv_min_mob): Ditto.
3417 (find_max_dv_min_mob): Ditto.
3418 * sbitmap.c (sbitmap_first_set_bit): Ditto.
3419 * sched-rgn.c (extract_edgelst): Ditto.
3420 * tree-into-ssa.c (prepare_names_to_update): Ditto.
3421 (dump_update_ssa): Ditto.
3422 (ssa_names_to_replace) Ditto.
3423 (switch_virtuals_to_full_rewrite): Ditto.
3424 (update_ssa): Ditto.
3425 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3427 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
3429 Fix PR tree-optimization/22483
3431 * tree-complex.c (create_components): Use
3432 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3433 * tree-flow-inline.h (fill_referenced_var_vec): New function.
3434 * tree-flow.h (safe_referenced_var_iterator): New structure.
3435 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3436 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3437 safe_referenced_var iterator.
3438 (add_type_alias): Ditto.
3440 2005-07-19 Steven Bosscher <stevenb@suse.de>
3442 * loop-init.c (rest_of_handle_loop2): Remove.
3443 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3444 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3445 (pass_rtl_loop_init, pass_rtl_loop_done,
3446 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3447 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3448 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3449 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3450 pass_tree_loop_done, and pass_tree_unswitch.
3451 (gate_loop): Rename to gate_tree_loop.
3452 * passes.c (init_optimization_passes): Update for renamed tree
3453 loop passes. Add the new loop2 passes as subpasses of loop2.
3454 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3455 Update for the renamed tree loop passes.
3457 2005-07-18 Ian Lance Taylor <ian@airs.com>
3460 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3461 blocks when optimizing.
3463 2005-07-18 Steve Ellcey <sje@cup.hp.com>
3465 * common.opt (frename-registers): Initialize to 2.
3467 (fgcse-after-reload): Ditto.
3468 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3469 (process_options): Only change flag_web, flag_rename_registers,
3470 and flag_rerun_cse_after_loop if not explicitly set by user.
3472 2005-07-18 Jan Beulich <jbeulich@novell.com>
3474 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3475 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3476 in 64-bit mode the same as DImode in 32-bit mode.
3477 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3478 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3479 mode. Add new mode parameter.
3480 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3481 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3482 x86_64_shift_adj): New expanders.
3483 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3484 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3486 Respective new splitters. Use renamed shift splitter helpers in 32-bit
3487 DImode shift splitters.
3488 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3489 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3492 2005-07-18 Jan Beulich <jbeulich@novell.com>
3494 * i386.md (movdi_extzv_1): New.
3495 (zero_extendhidi2): Combine alternatives and never force use of
3497 (zero_extendqidi2): Likewise. Don't restrict input selection.
3499 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3501 Fix PR tree-optimization/22531
3502 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
3505 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3507 * tree-promote-statics.c (pass_promote_statics): Change dump file
3510 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3512 * tree-optimize.c (init_tree_optimization_passes): Add
3513 pass_eliminate_useless_stores pass.
3514 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3515 * tree-ssa-pre.c (is_copy_stmt): New function.
3516 (follow_copies_till_vuse): Ditto.
3517 (do_eustores): Ditto.
3518 (gate_eustores): Ditto.
3520 2005-07-16 Richard Henderson <rth@redhat.com>
3522 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3524 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3525 Kenneth Zadeck <zadeck@naturalbridge.com>
3527 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3528 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3529 ipa-type-escape.h, tree-promote-statics.c
3530 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3531 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3532 tree-promote-statics.c: new files.
3533 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3534 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3535 int nonlocal_set_p, mark_constant_function): Deleted.
3536 (rest_of_handle_cfg): Removed call to mark_constant_function.
3537 (nonoverlapping_component_refs_p): Added calls to support
3538 type based aliasing.
3539 * tree-ssa-alias.c (may_alias_p,
3540 compute_flow_insensitive_aliasing): Ditto.
3541 * calls.c (flags_from_decl_or_type): Removed reference to
3543 * c-typeck.c (convert_arguments): Make builtins tolerant of having
3544 too many arguments. This is necessary for Spec 2000.
3545 * cgraph.h (const_function, pure_function): Removed.
3546 * common.opt: Added "fipa-pure-const", "fipa-reference",
3547 "fipa-type-escape", and "ftree-promote-static".
3549 * passes.c: Added ipa and tree-promote-statics passes.
3550 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3551 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3552 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3553 * tree-flow.h: Added exposed sra calls and addition of
3554 reference_vars_info field for FUNCTION_DECLS.
3555 * tree-pass.h: Added passes.
3556 * tree-sra.c: (sra_init_cache): New function.
3557 (sra_insert_before, sra_insert_after) Made public.
3558 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3560 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3561 aliasing. (may_alias_p): Added code to use type escape analysis to
3563 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3564 code to prune clobbers of static variables based on information
3565 produced in ipa-reference pass. Changed call clobbering so that
3566 statics are not marked as clobbered if the call does not clobber
3569 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
3571 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3574 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3576 * doc/install.texi (*-*-solaris2*): Document recommended version
3577 of GNU binutils and mention GNU linker problem on Solaris 10.
3579 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
3582 * c-decl.c (c_build_bitfield_integer_type): New function.
3583 (finish_struct): Call it.
3584 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3586 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3588 * c-typeck.c (digest_init): Call 'convert_for_assignment'
3591 2005-07-16 Jan Hubicka <jh@suse.cz>
3593 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3594 (scale_bbs_frequencies_int): Watch roundoff errors.
3595 * predict.c (return_prediction): Initialize return_stmt.
3597 2005-07-16 Jan Hubicka <jh@suse.cz>
3599 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3600 after RTL profiling.
3602 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
3605 * fold-const.c (build_range_check): Convert high/low to etype
3606 if we are only comparing against exp.
3608 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
3610 Fix PR tree-optimization/22376
3611 * tree-ssa-structalias.c (build_constraint_graph): We really meant
3613 (need_to_solve): New function.
3614 (compute_points_to_sets): Use it.
3616 2005-07-15 Jan Hubicka <jh@suse.cz>
3618 * cfg.c (update_bb_profile_for_threading): More diagnostic.
3619 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3621 2005-07-15 Richard Guenther <rguenther@suse.de>
3623 * c-common.c (handle_flatten_attribute): New function.
3624 Add flatten function attribute.
3625 * doc/extend.texi: Document flatten function attribute.
3626 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3627 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3629 (cgraph_decide_inlining): Handle functions with flatten
3632 2005-07-14 David Edelsohn <edelsohn@gnu.org>
3634 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3635 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3636 UNSPEC_XCHG, UNSPEC_AND): New.
3637 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3638 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3639 * config/rs6000/sync.md (FETCHOP): New code macro.
3640 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3642 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3643 (sync_compare_and_swap<mode>): Same.
3644 (sync_lock_test_and_set<mode>): Same.
3645 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3646 for QImode and HImode, and not PPC405.
3647 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3648 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3649 (sync_<fetchop>{si,di}_internal): New.
3650 (sync_nand{si,di}_internal): New.
3651 (sync_old_<fetchop>{si,di}_internal): New.
3652 (sync_old_nand{si,di}_internal): New
3653 (sync_new_<fetchop>{si,di}_internal): New.
3654 (sync_new_nand{si,di}_internal): New.
3655 (atomic_and{si,di}): New.
3656 (sync_new_nand{si,di}_internal): New.
3657 (atomic_and{si,di}): New.
3658 (sync_add<mode>_internal): Delete.
3659 (sync_addshort_internal): Use unspec instead of unspec_volatile.
3660 (sync_sub<mode>_internal): Delte.
3661 (sync_subshort_internal): New.
3662 (sync_andsi_internal): Use unspec instead of unspec_volatile.
3663 (sync_anddi_internal): Delete.
3664 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3665 (sync_booldi_internal): Delete.
3666 (sync_boolc<mode>_internal): Delete.
3667 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3668 (sync_boolc<mode>_internal2): Delete.
3669 (sync_boolcc<mode>_internal): Delete.
3670 (isync, lwsync): Use unspec instead of unspec_volatile.
3671 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3672 Revert UNSPEC_VOLATILE.
3673 (rs6000_split_atomic_op): New.
3674 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3676 2005-07-14 Eric Christopher <echristo@redhat.com>
3678 * config/mips/mips.c (mips_canonicalize_comparison): Cast
3679 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3681 2005-07-14 Eric Christopher <echristo@redhat.com>
3683 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3685 2005-07-14 Steven Bosscher <stevenb@suse.de>
3687 PR tree-optimization/22230
3688 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3689 the computation of the four cross productions for "range op range".
3691 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
3692 Ulrich Weigand <uweigand@de.ibm.com>
3695 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3698 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3700 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3702 2005-07-14 Steve Ellcey <sje@cup.hp.com>
3704 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3706 2005-07-14 Richard Guenther <rguenther@suse.de>
3709 * config/i386/i386-protos.h (ix86_function_value): Change
3710 prototype to match new target hook.
3711 * config/i386/i386.c (ix86_value_regno): Change prototype
3712 to take extra type argument.
3713 (TARGET_FUNCTION_VALUE): Define.
3714 (ix86_function_ok_for_sibcall): Pass extra argument to
3715 ix86_value_regno, check return slot rtx for exact match.
3716 (ix86_function_value): Take extra parameter. Dispatch to
3717 ix86_value_regno with fndecl/fntype as provided.
3718 (ix86_value_regno): Handle extra type argument.
3719 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3721 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3722 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3723 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3724 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3725 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3727 2005-07-14 Richard Guenther <rguenther@suse.de>
3729 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3730 * calls.c (expand_call): Pass fntype to hard_function_value.
3731 (emit_library_call_value_1): Likewise.
3732 * explow.c: Include target.h.
3733 (hard_function_value): Take extra argument, the fntype.
3734 Use new target hook for function_value.
3735 * expr.h (hard_function_value): Change prototype.
3736 * function.c (aggregate_value_p): Pass 0 as fntype to
3737 hard_function_value.
3738 (assign_parms): Use new target hook for function_value.
3739 Pass 0 as fntype to hard_function_value.
3740 (expand_function_end): Likewise.
3741 * reg-stack.c: Include target.h.
3742 (stack_result): Use new target hook for function_value.
3743 * target-def.h: New target hook function_value.
3744 * target.h: Likewise.
3745 * targhooks.c (default_function_value): New function.
3746 * targhooks.h (default_function_value): Declare.
3748 2005-07-13 Ian Lance Taylor <ian@airs.com>
3750 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3752 2005-07-14 Jan Hubicka <jh@suse.cz>
3754 * tree-dfa.c (dump_variable): Use default_def function.
3755 * tree-ssa-alias.c (dump_points_to_info): Likewise.
3756 * tree-ssa.c (verify_use): Likewise.
3757 * tree-ssanames.c (release_ssa_name): Likewise.
3758 * tree-tailcall.c (eliminate_tail_call): Likewise.
3759 (tree_optimize_tail_calls_1): Likewise.
3760 * tree-vrp.c (get_value_range): Likewise.
3762 2005-07-14 Ben Elliston <bje@au.ibm.com>
3764 * gcc.c (main): Compare language[0] with '*' when iterating over
3767 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3769 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3770 "s390_emit_compare". Add handling of CCZ1mode.
3771 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3772 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3774 (s390_branch_condition_mask): Add CCZ1mode handling.
3775 * config/s390/s390.md: ("seq", "*seq"): New pattern.
3776 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3777 Use CCZ1mode instead of CCZmode.
3778 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
3780 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3782 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3784 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3786 2005-07-13 Eric Christopher <echristo@redhat.com>
3788 * config/mips/mips.c (mips_canonicalize_comparison): New.
3789 (mips_emit_int_relational): Use.
3791 2005-07-13 Eric Christopher <echristo@redhat.com>
3793 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3795 * config/s390/s390.md: Include tpf.md. Move tpf specific
3797 * config/s390/tpf.md: To here.
3798 * config/s390/s390.opt: Move tpf specific options...
3799 * config/s390/tpf.opt: to here. Add mmain option.
3800 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3801 * config/s390/tpf.h: Rewrite.
3803 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3805 * doc/tm.texi: Remove @xref{Cross-profiling}.
3807 2005-07-13 Jeff Law <law@redhat.com>
3809 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3810 expressions, test their _DECL operands for pointer equality rather
3811 than using operand_equal_p.
3813 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3815 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3816 (TARGET_POSIX_IO): This.
3817 * config/darwin.h: Likewise.
3818 * config/freebsd.h: Likewise.
3819 * config/linux.h: Likewise.
3820 * config/lynx.h: Likewise.
3821 * config/netbsd.h: Likewise.
3822 * config/rs6000/linux64.h: Likewise.
3823 * config/rs6000/linux.h: Likewise.
3824 * config/s390/tpf.h: Likewise.
3825 * config/sh/embed-elf.h: Likewise.
3826 * config/sparc/linux64.h: Likewise.
3827 * config/sparc/linux.h: Likewise.
3828 * config/svr4.h: Likewise.
3829 * gcov-io.h: Likewise.
3831 * doc/tm.texi: Updated.
3833 * libgcov.c (create_file_directory): Defined only if
3834 TARGET_POSIX_IO is defined.
3835 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3838 2005-07-13 Jan Hubicka <jh@suse.cz>
3840 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3842 2005-07-13 David Edelsohn <edelsohn@gnu.org>
3844 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3845 structure as argument.
3847 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
3849 PR tree-optimization/21921
3850 * tree-iterator.c (tsi_link_before): Support the case when
3851 tsi_end_p (tsi) == true.
3853 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3855 PR tree-optimization/22442
3856 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3859 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3861 PR rtl-optimization/20376
3862 * toplev.c (process_options): Enable -fweb and -frename-registers when
3864 * doc/invoke.texi: Update the information about when -fweb and
3865 -frename-registers are enabled.
3867 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3870 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3871 if *rhs_p is not a SSA_NAME.
3873 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
3875 Fix PR tree-optimization/22422
3876 * tree-ssa-structalias.c (struct variable_info): Add flag for
3878 (get_varinfo): Now a static function.
3879 (new_varinfo): init has_union and is_special_var to false.
3880 (solution_set_add): Check has_union.
3881 (do_da_constraint): Move temporary variable so it gets reset
3883 Also check for special variable.
3884 (do_ds_constraint): Ditto.
3885 (do_sd_constraint): Ditto.
3886 (do_structure_copy): Check for special variable.
3887 (find_func_aliases): Ditto.
3888 (init_base_vars): Set special vars properly.
3890 2005-07-13 Jan Hubicka <jh@suse.cz>
3892 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3895 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3896 (get_expr_operands): Fix thinko wrt flags and subvars.
3898 PR tree-optimize/22379
3899 * tree-inline.c (expand_call_inline): Do not output sorry in early
3902 2005-07-12 Dale Johannesen <dalej@apple.com>
3904 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
3906 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3909 * host-linux.h: Include limits.h.
3911 2005-07-12 Dale Johannesen <dalej@apple.com>
3913 * expr.c (compress_float_constant): Add cost check.
3914 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
3916 2005-07-12 Dale Johannesen <dalej@apple.com>
3918 * gcc.target/i386/compress-float-sse.c: New.
3919 * gcc.target/i386/compress-float-sse-pic.c: New.
3920 * gcc.target/i386/compress-float-387.c: New.
3921 * gcc.target/i386/compress-float-387-pic.c: New.
3922 * gcc.dg/compress-float-ppc.c: New.
3923 * gcc.dg/compress-float-ppc-pic.c: New.
3925 2005-07-12 Eric Christopher <echristo@redhat.com>
3927 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3929 * config/s390/s390.md: Include tpf.md. Move tpf specific
3931 * config/s390/tpf.md: To here.
3932 * config/s390/s390.opt: Move tpf specific options...
3933 * config/s390/tpf.opt: to here. Add mmain option.
3934 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3935 * config/s390/tpf.h: Rewrite.
3937 2005-07-12 Eric Christopher <echristo@redhat.com>
3939 * gcc.c (struct infile): Update comment for language.
3940 (main): Rewrite input file resetting code.
3942 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3945 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3946 requiring a cast in a non RHS of modify_expr. Add a cast when required.
3947 (lookup_avail_expr): Use constant_boolean_node instead
3948 of boolean_false_node/boolean_true_node.
3950 2005-07-12 Ben Elliston <bje@au.ibm.com>
3952 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3953 and use it when printing num_edges.
3955 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
3957 * doc/extend.texi (Blackfin Built-in Functions): New section.
3958 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3961 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
3963 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3964 s/cmpstrsi/cmpstrnsi
3965 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3967 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3968 (init_optabs): Initialize cmpstrn_optab.
3969 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3970 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3971 * expr.c: (enum insn_code cmpstrn_optab): Declare.
3972 * config/i386/i386.md: s/cmpstr/cmpstrn
3973 * config/c4x/c4x.md: s/cmpstr/cmpstrn
3974 * doc/md.texi: Update documentation.
3976 2005-07-11 Richard Henderson <rth@redhat.com>
3978 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3979 build_va_arg_indirect_ref.
3980 (alpha_gimplify_va_arg): Likewise.
3981 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3982 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3983 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3984 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3985 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3986 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3988 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3990 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3992 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3993 * passes.c (init_optimization_passes): Add pass_empty_loop.
3994 * tree-pass.h (pass_empty_loop): Declare.
3995 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3996 try_remove_empty_loop, remove_empty_loops): New functions.
3997 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3998 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4000 2005-07-12 Peter Barada <peter@the-baradas.com>
4004 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4005 in address registers.
4006 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4007 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4008 alternative of addsi3_5200.
4010 2005-07-11 Ian Lance Taylor <ian@airs.com>
4012 * config/mips/mips.md (ffs<mode>2): Remove.
4014 2005-07-11 Ian Lance Taylor <ian@airs.com>
4016 * doc/tree-ssa.texi (Cleanups): Improve description of
4018 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4020 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4022 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4023 * tree.h (DECL_ARGUMENT_FLD): New macro.
4025 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4027 Fix PR tree-optimization/22404
4029 * tree-ssa-structalias.c (create_variable_info_for): Use
4032 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
4034 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4035 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4036 for second comparison operand.
4037 * config/bfin/predicates.md (reg_or_const_int_operand): New.
4039 * config/bfin/bfin.md (define_attr "type"): Add "sync".
4040 (define_insn_reservation "alu"): Likewise.
4041 (csync, ssync): Now of type sync.
4042 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4043 -mcsync-anomaly -mspecld-anomaly.
4044 * config/bfin/bfin.opt (mcsync): Remove.
4045 (mcsync-anomaly, mspecld-anomaly): Add.
4046 * config/bfin/bfin.c: Include "insn-codes.h".
4047 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4048 (TARGET_DEFAULT_TARGET_FLAGS): New.
4049 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4051 2005-07-11 Steven Bosscher <stevenb@suse.de>
4053 * basic-block.h: Give the BB flags enum a name, bb_flags.
4054 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4055 * cfgcleanup.c (enum bb_flags): Remove here.
4056 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4057 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4058 (update_forwarder_flag): Likewise.
4059 (thread_jump): Likewise.
4060 (try_forward_edges): Likewise.
4061 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
4062 forwarder flags. Don't clear bb->aux for all basic blocks. Only
4063 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4065 2005-07-11 Richard Guenther <rguenther@suse.de>
4067 * config/i386/i386.opt: New target option -msseregparm.
4068 * config/i386/i386.c (override_options): Error out for
4069 -msseregparm but no SSE support.
4070 (ix86_function_sseregparm): Check for global sseregparm.
4071 * doc/invoke.texi: Document -msseregparm.
4073 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4075 * config.gcc (m32r-*-linux*): Use the default extra_parts.
4076 (m32rle-*-linux*): Ditto.
4078 2005-07-11 Jakub Jelinek <jakub@redhat.com>
4080 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4081 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4084 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4088 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4089 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4091 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
4093 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4094 (varmap): Heapify varmap.
4095 (constraints): Heapify constraints.
4096 (struct constraint_graph): Heapify succs and preds.
4097 (constraint_vec_find): Update for heapification.
4098 (constraint_set_union): Ditto.
4099 (insert_into_complex): Ditto.
4100 (constraint_edge_vec_find): Ditto.
4101 (erase_graph_self_edge): Ditto.
4102 (add_graph_edge): Ditto.
4103 (get_graph_weights): Ditto.
4104 (merge_graph_nodes): Ditto.
4105 (build_constraint_graph): Ditto.
4106 (topo_visit): Ditto.
4107 (solve_graph): Ditto.
4108 (create_variable_info_for): Ditto.
4109 (init_base_vars): Ditto.
4110 (delete_points_to_sets): Free graph, varmap, and complex constraints.
4111 (condese_varmap_nodes): Free complex vector.
4112 (clear_edges_for_node): Clear succs and preds vector.
4114 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4116 * tree-ssa-structalias.c (update_alias_info): Change counting of
4117 references to not include vdefs.
4119 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4121 * tree-ssa-alias.c (free_used_part_map): Add missing free.
4124 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4126 * pa.c (pa_commutative_p): Make PLUS commutative when
4127 TARGET_NO_SPACE_REGS is true.
4129 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4131 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4132 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4133 * tree-dfa.c (dump_subvars_for): New.
4134 (debug_subvars_for): New.
4135 (dump_variable): Show subvariables if VAR has them.
4136 * tree-flow-inline.h (get_subvar_at): New.
4137 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4138 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4140 (struct subvar): Change fields offset and size to unsigned
4142 (dump_subvars_for): Declare.
4143 (debug_subvars_for): Declare.
4144 (get_subvar_at): Declare.
4145 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4146 to unsigned HOST_WIDE_INT *.
4147 (overlap_subvar): Likewise.
4148 * tree-gimple.c (is_gimple_reg): Always return false for
4149 SFTs and memory tags.
4150 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4152 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4153 (compute_may_aliases): Call compute_points_to_sets.
4154 (collect_points_to_info_for): Remove.
4155 (compute_points_to_and_addr_escape): Remove.
4156 (delete_alias_info): Call delete_points_to_sets.
4157 (compute_flow_sensitive_aliasing): If the call to
4158 find_what_p_points_to returns false, call set_pt_anything.
4159 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4160 (set_pt_anything): Clear pi->pt_vars.
4161 (set_pt_malloc): Remove.
4162 (merge_pointed_to_info): Remove.
4163 (add_pointed_to_expr): Remove.
4164 (add_pointed_to_var): Remove.
4165 (collect_points_to_info_r): Remove.
4166 (is_escape_site): Make extern.
4168 (create_overlap_variables_for): Call it.
4169 * tree-ssa-copy.c (merge_alias_info): Never merge
4170 flow-sensitive alias information.
4171 * tree-ssa-operands.c (get_expr_operands): Adjust variables
4172 offset and size to be unsigned HOST_WIDE_INT.
4173 (add_to_addressable_set): Rename from note_addressable.
4174 Set TREE_ADDRESSABLE as the variables are added to the set.
4176 (add_stmt_operand): Do not try to micro-optimize unmodifiable
4177 operands into VUSEs when adding V_MAY_DEFs for members in an
4179 * tree-ssa-operands.h (add_to_addressable_set): Declare.
4180 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4181 (struct variable_info): Add bitfield is_heap_var.
4182 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4183 (new_var_info): Initialize is_heap_var.
4184 (get_constraint_for): Add HEAP variables to the symbol table.
4185 Mark them with is_heap_var.
4186 (update_alias_info): New. Taken mostly from the old
4187 compute_points_to_and_addr_escape.
4188 (handle_ptr_arith): New.
4189 (find_func_aliases): Call update_alias_info.
4190 Call handle_ptr_info for tcc_binary expressions.
4191 Call mark_stmt_modified.
4192 (create_variable_info_for): If DECL has subvars, do not create
4193 variables for its subvars. Always add all the fields.
4194 (set_uids_in_ptset): If the solution includes ANYOFFSET and
4195 SFTs, then add all the SFTs of the structure.
4196 If VI->DECL is an aggregate with subvariables, add the SFT at
4198 (find_what_p_points_to): If VI is an artificial variable,
4199 translate to bitfields in SSA_NAME_PTR_INFO.
4200 If the solution is empty, set pi->pt_vars to NULL
4201 (init_base_vars): Create ANYOFFSET.
4202 (compute_points_to_sets): Rename from create_alias_vars.
4204 (pass_build_pta): Remove.
4205 (delete_points_to_sets): Rename from delete_alias_vars.
4206 (pass_del_pta): Remove.
4207 * tree-ssa-structalias.h (struct alias_info): Move from
4209 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4210 NUM_REFERENCES_SET): Likewise.
4211 (compute_points_to_sets, delete_points_to_sets): Declare.
4213 2005-07-09 Richard Henderson <rth@redhat.com>
4215 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4216 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4217 alpha_split_lock_test_and_set_12): New functions.
4218 * config/alpha/alpha-protos.h: Update.
4219 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4220 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4221 * config/alpha/sync.md (I12MODE): New.
4222 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4223 (sync_<fetchop_name><I48MODE>): Likewise.
4224 (sync_nand<I48MODE>): Likewise.
4225 (sync_old_<fetchop_name><I48MODE>): Likewise.
4226 (sync_new_<fetchop_name><I48MODE>): Likewise.
4227 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4228 (sync_compare_and_swap<I48MODE>): Likewise.
4229 (sync_lock_test_and_set<I48MODE>): Likewise.
4230 (sync_compare_and_swap<I12MODE>): New.
4231 (sync_compare_and_swap<I12MODE>_1): New.
4232 (sync_lock_test_and_set<I12MODE>): New.
4233 (sync_lock_test_and_set<I12MODE>_1): New.
4235 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4239 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4241 2005-07-09 Jakub Jelinek <jakub@redhat.com>
4243 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4244 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4246 2005-07-09 Richard SAndiford <richard@codesourcery.com>
4249 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4251 2005-07-08 David Edelsohn <edelsohn@gnu.org>
4253 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4254 memory_operand constraint.
4255 (store_conditional_<mode>): Same.
4256 (sync_compare_and_swap<mode>): Same.
4257 (sync_lock_test_and_set<mode>): Same.
4259 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
4261 Rewrite PIC support to more closely model actual instructions.
4262 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4263 (cris_symbol): Remove prototypes for removed functions.
4264 (cris_pic_symbol_type_of, cris_valid_pic_const)
4265 (cris_expand_pic_call_address): Prototypes for new functions.
4266 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4268 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4270 <case ':'>: Add case for new punctuation character.
4271 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4272 emitting (extra) PIC modifier.
4273 <case UNSPEC>: Do not assert for PLT.
4274 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4275 (cris_expand_prologue, cris_expand_epilogue): Check
4276 for pic_offset_table_rtx usage instead of taking
4277 current_function_uses_pic_offset_table as the final word.
4278 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4279 Remove flag_pic difference.
4280 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4281 the moral equivalents of...
4282 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4284 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4285 (cris_handle_option): Mark ARG as unused.
4286 (cris_expand_pic_call_address): New worker function for "call",
4288 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4289 output PIC constructs here.
4290 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4291 as symbol-specific modifers, not whole or part of operands.
4292 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4293 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4294 constants and flag_pic.
4295 (CONSTANT_INDEX_P): Adjust for new functions.
4296 (enum cris_pic_symbol_type): New helper type.
4297 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4298 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4299 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4301 ("movsi"): Emit actual instructions for GOT and relative access.
4302 ("*movsi_got_load"): New pattern to set up the register holding
4304 ("*movsi_internal"): Operand 1 is not a plain general_operand.
4305 Adjust FIXME for 'S'.
4306 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4307 Use "movs" for -fpic cases.
4308 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4309 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4310 ("call", "call_value"): Just call cris_expand_pic_call_address for
4312 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4313 Remove special pattern.
4314 ("*expanded_call_side", "*expanded_call_value_side"): New
4316 (gotplt-to-plt, gotplt-to-plt-side-call)
4317 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4319 * config/cris/cris/predicates.md
4320 ("cris_general_operand_or_gotless_symbol"): Remove unused
4322 ("cris_general_operand_or_symbol"): Adjust for new functions.
4324 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4326 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4328 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
4330 * Makefile.in (TREE_H): Add treestruct.def.
4331 (c-decl.o): Add pointer-set.h
4332 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4333 visibility on regular DECL's.
4334 (merge_decls): Fix the copying of decl nodes of various types for
4335 the new structures. Don't update RTL, section name, weak status,
4336 etc, on DECL's without RTL.
4337 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4338 Don't check volatile on non-variable types.
4339 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4340 to check whether we have seen arguments.
4341 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4342 flag is checked before field (flag is common, field is not).
4343 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
4344 TS_DECL_COMMON could have an origin.
4345 (add_location_or_const_value_attribute): Don't check section name
4346 on non-var/function decls.
4347 (dwarf2out_var_location): Reverse order of tests.
4348 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4349 with DECL_WRTL_CHECK.
4350 * expmed.c (make_tree): rtl is now in decl_with_rtl.
4351 * fold-const.c (fold_binary): Don't check weakness on
4352 non-var/function decls.
4353 (tree_expr_nonzero_p): Ditto.
4354 (fold_checksum_tree): Use tree_decl_extra as sizeof
4356 * ggc-page.c (extra_order_size_table): Add sizes for
4357 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
4359 * gimplify.c (gimplify_bind_expr): Only set
4360 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4361 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4363 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4364 * langhooks.h (init_ts). New langhook.
4365 * passes.c (rest_of_decl_compilation): Reverse order of tests.
4366 * print-tree.c (print_node): Update to only print fields that
4367 exist in the structures the passed decl has.
4368 * toplev.c (wrapup_global_declarations): Don't reset
4369 DECL_DEFER_OUTPUT on DECL's that don't contain it.
4370 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4371 * tree-inline.c (remap_decl): Ditto.
4372 * tree-outof-ssa.c (create_temp): Reverse order of tests.
4373 * tree-pretty-print.c (print_declaration): Don't print
4374 DECL_REGISTER on things that don't contain it.
4375 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4376 non-var/function decls.
4377 * tree.c (tree_contains_struct): New structure.
4378 (init_priority_for_decl): New hashtable.
4379 (tree_int_map): New structure.
4380 (tree_int_map_eq): New function.
4381 (tree_int_map_marked_p): Ditto.
4382 (tree_int_map_hash): Ditto.
4383 (tree_map): Move to tree.h.
4384 (tree_map_eq): Externalize.
4385 (tree_map_hash): Ditto.
4386 (tree_map_marked_p): Ditto.
4387 (init_ttree): Set up tree_contains_struct and call langhook.
4388 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4389 (tree_code_size): Update for new structures.
4390 (tree_node_structure): Update for new structures.
4391 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4393 (copy_node_stat): Copy init priority.
4394 (build_decl_stat): Ditto for visibility.
4395 (ts_enum_names): New.
4396 (tree_contains_struct_check_failed): New function.
4397 (decl_init_priority_lookup): Ditto.
4398 (decl_init_priority_insert): Ditto.
4399 * treestruct.def: New file.
4400 * tree.h (CODE_CONTAINS_STRUCT): New macro.
4401 (CONTAINS_STRUCT_CHECK): Ditto.
4402 (tree_contains_struct_check_failed): New prototype.
4403 (DECL_CHECK): Removed.
4404 (DECL_MINIMAL_CHECK): New.
4405 (DECL_COMMON_CHECK): Ditto.
4406 (DECL_WRTL_CHECK): Ditto.
4407 (DECL_NON_COMMON_CHECK): Ditto.
4408 (DECL_WITH_VIS_CHECK): Ditto.
4409 (VAR_OR_FUNCTION_DECL_P): Ditto
4410 (struct tree_decl_minimal): New structure.
4411 (struct tree_decl_common): Ditto.
4412 (struct tree_decl_with_rtl): Ditto.
4413 (struct tree_decl_with_vis): Ditto.
4414 (struct tree_decl_non_common): Ditto.
4415 (struct tree_field_decl): Ditto.
4416 (struct tree_parm_decl): Ditto.
4417 (struct tree_var_decl): Ditto.
4418 (struct tree_function_decl): Ditto.
4419 (struct tree_const_decl): Ditto.
4420 (struct tree_result_decl): Ditto.
4421 (union tree_node): Add new structures.
4422 * var-tracking.c (track_expr_p): Reverse order of tests.
4424 * doc/c-tree.texi: Add documentation on DECL node internal structure.
4426 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4428 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4429 * system.h: Poison FINALIZE_PIC.
4430 * doc/tm.texi (FINALIZE_PIC): Remove.
4432 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4435 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4436 to the correct type if we have a MODIFY_EXPR.
4438 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4440 PR tree-optimization/22360
4441 * tree.c (upper_bound_in_type): Fix calculations for casting
4442 to a non-wider signed type and casting a signed value to a
4443 wider unsigned type.
4444 (lower_bound_in_type): Fix calculations for casting to a
4445 non-wider signed type.
4447 PR tree-optimization/20139
4448 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4450 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4451 fold_cond_expr_cond.
4452 * tree-ssanames.c (release_defs): Assert in_ssa_p.
4453 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4455 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4458 * tree-complex.c (expand_complex_libcall): Produce
4459 REALPART_EXPR/IMAGPART_EXPR with the correct type.
4461 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
4463 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4464 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4465 b" assert and inserted fastpath code for this case.
4466 (bitmap_ior): Removed "a != b" assert.
4468 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4470 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4471 (ENDFILE_SPEC): Likewise.
4472 * config/m32r/m32r.h (ASM_SPEC): Likewise.
4474 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4475 a large stack frame at epilogue.
4477 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
4479 * final.c: Include sdbout.h when required.
4481 2005-07-07 Geoffrey Keating <geoffk@apple.com>
4483 * config.gcc (*-*-darwin*): Only one target-specific header file
4485 (powerpc-*-darwin*): Add version-specific header files.
4486 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4487 * config.in: Regenerate.
4488 * configure: Regenerate.
4489 * gcc.c: Include xregex.h.
4490 (version_compare_spec_function): New.
4491 (spec_function): Add version-compare.
4492 (replace_outfile_spec_function): Reformat comment.
4493 (compare_version_strings): New.
4494 * config/darwin-c.c (version_as_macro): New.
4495 (builtin_define): New.
4496 (darwin_cpp_builtins): New.
4497 * config/darwin-protos.h (darwin_cpp_builtins): New.
4498 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4499 (LIB_SPEC): Make unconditional, update comment.
4500 (TARGET_C99_FUNCTIONS): Define.
4501 * config/darwin.opt: Sort.
4502 (mmacosx-version-min=): New.
4503 * config/darwin7.h: Delete.
4504 * config/darwin8.h: Delete.
4505 * config/i386/darwin.h (): Call darwin_cpp_builtins.
4506 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4507 (TARGET_C99_FUNCTIONS): Define.
4508 * config/rs6000/darwin7.h: New.
4509 * config/rs6000/darwin8.h: New.
4510 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4511 (-mmacosx-version-min): Document.
4513 2005-07-07 Ian Lance Taylor <ian@airs.com>
4515 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4517 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
4520 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4522 2005-07-07 Khem Raj <kraj@mvista.com>
4524 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4525 in bytes, not words.
4527 2005-07-07 Paul Brook <paul@codesourcery.com>
4529 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4530 DEFAULT_FUNCTION_ARG_PADDING to upward.
4532 2005-07-07 Richard Henderson <rth@redhat.com>
4534 * function.c (locate_and_pad_parm): Record parameter alignment in
4535 stack_alignment_needed.
4537 2005-07-07 David Edelsohn <edelsohn@gnu.org>
4539 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4540 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4541 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4542 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4543 (define_attr "type"): Add isync, sync, load_l, store_c.
4544 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4545 Create scratch volatile MEM.
4546 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
4548 (load_locked_<mode>): New.
4549 (store_conditional_<mode>): New.
4550 (sync_compare_and_swap<mode>): Replace with splitter.
4551 (sync_lock_test_and_set<mode>): Replace with splitter.
4552 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4554 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
4555 is ics. Attribute isync.
4556 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
4558 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4559 and UNSPECV_SYNC_OP.
4560 (emit_unlikely_jump): New.
4561 (emit_load_locked): New.
4562 (emit_store_conditional): New.
4563 (rs6000_split_compare_and_swap): New.
4564 (rs6000_split_lock_test_and_set): New.
4565 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4566 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4567 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4568 rs6000_split_lock_test_and_set): Declare.
4569 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4570 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4571 store_c, isync, sync.
4573 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
4575 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4576 filenames to gtyp-gen.h.
4577 (s-typ-gen): Use it in place of for loops.
4579 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
4581 * hooks.c (hook_bool_rtx_int_false): New function.
4582 * hooks.h (hook_bool_rtx_int_false): Declare.
4583 * target-def.h (TARGET_COMMUTATIVE_P): Define.
4584 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4585 * target.h (struct gcc_target): Add commutative_p member.
4586 * targhooks.c (hook_bool_rtx_commutative_p): New function.
4587 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4588 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4589 (pa_commutative_p): New function.
4590 * jump.c (target.h): Include.
4591 (rtx_renumbered_equal_p): Use targetm.commutative_p.
4592 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4594 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4596 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4597 (s390_expand_setmem): New.
4598 * config/s390/s390.c: Likewise.
4599 (print_shift_count_operand): Truncate to 12 bits instead of 6.
4601 * config/s390/s390.md: ("setmem<mode>"): Accept character as
4602 general_operand. Call new function "s390_expand_setmem".
4603 ("clrmem_long", "*clrmem_long"): Rewrite to ...
4604 ("setmem_long", "*setmem_long"): ... this.
4606 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4608 * config/s390/s390.c: (optimization_options): Enable
4609 TARGET_MVCLE at -Os.
4610 * doc/invoke.texi: Document changes in default behaviour.
4611 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4613 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4615 * expr.c: (set_storage_via_setmem): Convert opchar to mode
4616 defined by back-end.
4618 2005-07-07 Jakub Jelinek <jakub@redhat.com>
4620 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4621 all sets in the pattern.
4622 * config/rs6000/rs6000.md (stack_protect_testsi,
4623 stack_protect_testdi): Likewise.
4625 2005-07-06 Jeff Law <law@redhat.com>
4627 * tree-vrp.c (simplify_using_ranges): Kill.
4628 (vrp_finalize): Remove call to simplify_using_ranges.
4629 (simplify_stmt_using_ranges): New function extracted from
4630 simplify_using_ranges.
4631 (simplify_div_or_mod_using_ranges): Likewise.
4632 (simplify_abs_using_ranges): Likewise.
4633 (simplify_cond_using_ranges): New function.
4634 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4635 * tree-ssa-propagate.c (substitute_and_fold): Call
4636 simplify_stmt_using_ranges if we have range information.
4638 2005-07-06 James E. Wilson <wilson@specifixinc.com>
4640 * config/ia64/ia64.c (ia64_reorg): Check optimize before
4641 ia64_flag_schedule_isns2.
4643 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4644 reading/writing general registers.
4645 (ia64_function_arg): Revert 2005-06-18 change.
4647 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
4649 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4650 (legitimize_tls_address): Use gcc_unreachable instead of abort.
4652 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
4654 * function.c (expand_function_end): Revert part of 2005-06-27
4655 patch. Do sjlj_emit_function_exit_after after return_label.
4657 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
4659 * doc/install.texi (--disable-libssp): New.
4661 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
4663 * doc/invoke.texi: Update -fforce-mem documentation.
4664 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4665 code for -fforce-mem.
4666 * expmed.c: (store_bit_field,store_fixed_bit_field,
4667 extract_bit_field): Ditto.
4668 * expr.c: (convert_move): Ditto.
4669 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4670 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4671 emit_conditional_add,expand_float,expand_fix): Ditto.
4672 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4673 (common_handle_option): Issue warning when -fforce-mem specified.
4675 2005-07-06 Paul Brook <paul@codesourcery.com>
4677 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4679 * configure: Regenerate.
4681 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
4683 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4685 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
4687 Fix PR tree-optimization/22319
4688 Fix PR tree-optimization/22140
4689 Fix PR tree-optimization/22310
4691 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4692 variable sized types.
4693 Use correct type for intermediate structure on *a = *b structure
4696 2005-07-06 Jakub Jelinek <jakub@redhat.com>
4698 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4700 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4701 (machine_function): Move typedef to...
4702 * config/rs6000/rs6000.c (machine_function): ... here. Add
4703 varargs_save_offset field.
4704 (rs6000_stack_t): Remove varargs_size field.
4705 (setup_incoming_varargs): Allocate varargs save area using
4706 assign_stack_local, try to make it as small as possible.
4707 Save offset from virtual_stack_vars_rtx to the save area
4708 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
4709 instead of magic 8 when fp word byte size is used.
4710 (rs6000_va_start): Use cfun->machine->varargs_save_offset
4711 instead of -RS6000_VARARGS_SIZE.
4712 (rs6000_stack_info, debug_stack_info,
4713 rs6000_initial_elimination_offset): Remove all traces of
4715 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4716 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4717 RS6000_VARARGS_AREA.
4719 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4721 PR tree-optimization/21963
4722 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4723 constant_multiple_of in the same way get_computation_cost_at does.
4725 2005-07-06 Jakub Jelinek <jakub@redhat.com>
4727 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4728 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4729 (gen_compare_reg): If sparc_compare_emitted is set, clear it
4730 and return its previous value.
4731 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4732 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4734 (stack_protect_set, stack_protect_test): New expanders.
4735 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4736 stack_protect_testdi): New insns.
4737 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4738 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4740 2005-07-06 Jeff Law <law@redhat.com>
4742 * tree-ssa-dce.c (cfg_altered): New global.
4743 (tree_dce_init): Initialize cfg_altered.
4744 (remove_dead_stmt): If we remove an edge in the CFG, then set
4746 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4749 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
4751 * Makefile.in (stamp-collect-ld): Use
4752 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
4753 ./collect-ld if it already exists.
4754 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4755 Don't remove ./nm if it already exists.
4757 2005-07-05 Devang Patel <dpatel@apple.com>
4759 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4760 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4761 * tree-vectorizer.c (vect_loop_location): New.
4762 (vect_print_dump_info): Use vect_loop_location.
4763 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4764 (vectorize_loops): Set vect_loop_location.
4765 * tree-vect-analyze.c (vect_analyze_offset_expr,
4766 vect_determin_vectorization_factor, vect_analyze_operations,
4767 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4768 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4769 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4770 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4771 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4772 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4773 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4774 vect_analyze_loop): Adjust vect_print_dump_info API.
4775 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4776 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4777 vect_finish_stmt_generation, vectorizable_assignment,
4778 vectorizable_operation, vectorizable_store, vectorizable_load,
4779 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4780 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4781 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4782 vect_transform_loop): Same.
4783 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4784 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4787 2005-07-05 Randolph Chung <tausq@debian.org>
4789 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4790 * configure: Regenerate.
4791 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4792 (pa_tls_referenced_p): Declare.
4793 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4794 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4795 (legitimize_tls_address): New.
4796 (hppa_legitimize_address): Handle TLS addresses.
4797 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4798 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4799 (emit_move_sequence): Handle TLS addresses.
4800 (pa_encode_section_info): Call default handler to handle common
4802 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4803 (CONSTANT_ADDRESS_P): Reject TLS operands.
4804 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4805 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4806 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4807 (UNSPEC_TLSLE): Define new constants.
4808 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4809 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4810 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4811 (tie_symbolic_operand, tle_symbolic_operand): New
4813 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
4815 * aclocal.m4: Update macros for autoconf 2.59 style.
4816 * configure.ac: Likewise.
4818 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4820 * pa.c (function_value): Handle small aggregates on 32-bit targets.
4821 (function_arg): Pass small aggregates in general registers on 32-bit
4823 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4825 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
4827 * Makefile.in (final.o): Fix dependencies.
4829 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
4833 * langhooks.h (struct lang_hooks): Add expr_to_decl.
4834 * langhooks.c (lhd_expr_to_decl): New.
4835 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4837 (LANG_HOOKS_INITIALIZER): Update.
4838 * tree.c (recompute_tree_invarant_for_addr_expr): Call
4839 expr_to_decl langhook.
4840 * c-tree.h (c_expr_to_decl): Declare.
4841 * c-typeck.c (c_expr_to_decl): New.
4842 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4844 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4846 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
4849 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4850 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4852 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
4854 * Makefile.in: Adjust dependencies.
4855 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4856 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4857 * alias.c (rest_of_handle_cfg, pass_cfg): New.
4858 * bb-reorder.c (duplicate_computed_gotos): Make it static.
4859 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4860 rest_of_compilation.
4862 * bb-reorder.c (gate_duplicate_computed_gotos,
4863 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4864 rest_of_handle_reorder_blocks, pass_reorder_blocks,
4865 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4866 pass_partition_blocks): New.
4867 * bt-load.c (gate_handle_branch_target_load_optimize,
4868 rest_of_handle_branch_target_load_optimize,
4869 pass_branch_target_load_optimize): New.
4870 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4872 * cfglayout.c (pass_insn_locators_initialize): New.
4873 * cfgrtl.c (pass_free_cfg): New.
4874 * combine.c (gate_handle_combine, rest_of_handle_combine,
4876 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4877 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4878 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4879 * except.c (pass_set_nothrow_function_flags,
4880 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4882 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4883 rest_of_handle_shorten_branches, pass_shorten_branches,
4884 rest_of_clean_state, pass_clean_state): New.
4885 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4886 rest_of_handle_remove_death_notes, pass_remove_death_notes,
4887 rest_of_handle_life, pass_life, rest_of_handle_flow2,
4889 * function.c (pass_instantiate_virtual_regs, pass_init_function,
4890 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4891 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4892 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4894 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4895 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4896 pass_rtl_ifcvt, gate_handle_if_after_combine,
4897 rest_of_handle_if_after_combine, pass_if_after_combine,
4898 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4899 pass_if_after_reload): New.
4900 * integrate.c (pass_initial_value_sets): New.
4901 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4902 pass_purge_lineno_notes): New.
4903 * mode-switching.c (rest_of_handle_mode_switching,
4904 pass_mode_switching): New.
4905 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4906 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4908 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4909 pass_loop_optimize): New.
4910 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4912 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4914 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4915 pass_postreload_cse): New.
4916 * profile.c (gate_handle_profiling, pass_profiling,
4917 rest_of_handle_branch_prob, pass_branch_prob): New.
4918 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4919 pass_split_before_regstack, gate_handle_split_before_regstack,
4920 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4921 rest_of_handle_split_all_insns, pass_split_all_insns): New.
4922 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4923 pass_stack_regs): New.
4924 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4925 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4926 pass_stack_adjustments): New.
4927 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4928 pass_regrename): New.
4929 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4930 pass_delay_slots, gate_handle_machine_reorg,
4931 rest_of_handle_machine_reorg, pass_machine_reorg): New.
4932 * rtl.h (extern void purge_line_number_notes): New.
4933 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4934 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4936 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4938 * value-prof.c (gate_handle_value_profile_transformations,
4939 rest_of_handle_value_profile_transformations,
4940 pass_value_profile_transformations): New.
4941 * var-tracking.c (gate_handle_var_tracking,
4942 pass_variable_tracking): New.
4943 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4945 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4946 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4947 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4948 rest_of_handle_old_regalloc, rest_of_handle_regrename,
4949 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4950 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4951 rest_of_handle_gcse2, rest_of_handle_regmove,
4952 rest_of_handle_tracer, rest_of_handle_if_conversion,
4953 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4954 rest_of_handle_web, rest_of_handle_branch_prob,
4955 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4956 rest_of_handle_jump_bypass, rest_of_handle_combine,
4957 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4958 rest_of_handle_gcse, rest_of_handle_loop_optimize,
4959 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4960 rest_of_handle_mode_switching, rest_of_handle_jump,
4961 rest_of_handle_eh, rest_of_handle_stack_adjustments,
4962 rest_of_handle_flow2, rest_of_handle_jump2,
4963 rest_of_handle_peephole2, rest_of_handle_postreload,
4964 rest_of_handle_shorten_branches, rest_of_clean_state,
4965 rest_of_compilation): Remove.
4967 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4968 * passes.c (dump_flags, in_gimple_form, all_passes,
4969 all_ipa_passes, all_lowering_passes, register_one_dump_file,
4970 register_dump_files, next_pass_1, last_verified, execute_todo,
4971 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4972 from tree-optimize.c.
4973 (init_optimization_passes): Moved from tree-optimize.c,
4974 adding the RTL optimizations.
4975 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4976 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4977 all_ipa_passes, all_lowering_passes, register_one_dump_file,
4978 register_dump_files, next_pass_1, last_verified, execute_todo,
4979 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4980 init_tree_optimization_passes, ipa_passes): Delete.
4981 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4983 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4984 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4986 (ipa_passes): Remove.
4987 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4988 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4989 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4990 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4991 (dump_info_p, dump_flag): Moved to tree-dump.h.
4993 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4995 * passes.c (finish_optimization_passes): Use dump_begin
4996 and dump_end, TDI_end.
4997 (gate_rest_of_compilation): New.
4998 (pass_rest_of_compilation): Use it.
4999 (gate_postreload, pass_postreload): New.
5000 * toplev.c (general_init): Rename init_tree_optimization_passes.
5001 * toplev.h (init_tree_optimization_passes): Rename to
5002 init_optimizations_passes.
5003 * tree-dump.c (dump_flag): Make static.
5004 (dump_files): Remove RTL dumps.
5005 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5006 pass_cleanup_cfg, pass_free_cfg_annotations,
5007 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5008 pass_init_datastructures, pass_fixup_cfg): Make non-static.
5009 * tree-pretty-print.c: Include tree-pass.h.
5010 * cgraph.c: Include tree-dump.h.
5012 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5014 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5015 Only fall back to saying it points to readonly memory if
5018 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5020 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5021 * config/m32r/m32r.c (m32r_compute_frame_size,
5022 m32r_expand_prologue): Take current_function_profile into
5023 account whenever we reference
5024 current_function_uses_pic_offset_table.
5025 (m32r_finalize_pic): Remove.
5026 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5028 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
5030 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5031 instead of $<. Don't remove ./as if it already exists.
5033 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5036 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5037 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5038 for complex modes when generating code for PA 1.0.
5039 (VALID_FP_MODE_P): New macro.
5040 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5041 sets for all general and floating point modes. Align wide floating
5042 point modes to even register boundaries to comply with architectural
5044 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5045 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5046 (VALID_FP_MODE_P): New macro.
5047 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5048 sets for all general and floating point modes. Align wide floating
5049 point modes to even register boundaries to comply with architectural
5052 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5054 * tree-dump.c (dump_files): Initialize dump number for .cgraph
5057 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5059 * tree-ssa-structalias.c: Don't include expr.h.
5061 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5063 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5066 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5068 Fix PR tree-optimization/22279
5070 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5073 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
5075 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5077 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5079 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5080 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5081 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5082 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5083 config/stormy16/stormy16.c, config/v850/v850.c,
5084 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5085 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5086 Avoid "." or "\n" at end of diagnostics and capital letters at
5087 start of diagnostics.
5088 * combine.c, cse.c: Don't translate dump file output.
5089 * toplev.c (print_version): Only translate output if going to
5092 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5094 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5095 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5098 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5100 * pa.c (fix_range): Fix typo in comment.
5102 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5104 * tree-vrp.c (extract_range_from_assert): Replace
5105 fold (build (...)) with fold_build2.
5107 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5109 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5110 gcc_gfc_char_table, init_dynamic_gfc_info): New.
5111 (format_types_orig, handle_format_attribute): Add support for
5114 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
5116 * varasm.c (assemble_variable): Fix format specifier thinko.
5118 2005-07-03 Ira Rosen <irar@il.ibm.com>
5120 PR tree-optimization/22029 (and 22135)
5121 * tree-pretty-print.c (dump_generic_node): Check that the node is not
5122 a phi node before calling dump_vops.
5124 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5126 * tree-dump.h (dump_string_field): Declare.
5127 * tree-dump.c: Use it instead of dump_string.
5128 (dump_string_field): Make non-static.
5130 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
5132 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5133 up the minimal CFG stuff always when optimize > 0. Call
5134 split_all_insns_noflow in PIC case if needed.
5136 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5137 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5140 * c-decl.c (c_write_global_declarations): Dump contents of
5142 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5143 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5144 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5145 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5148 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5150 * c-common.h (GCC_DIAG_STYLE): Define.
5151 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
5152 version for format checking to 4.1.
5153 * c-format.c: Include toplev.h after c-common.h.
5154 (enum format_type): Add gcc_tdiag_format_type.
5155 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5156 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5157 (format_types_orig): Add gcc_tdiag.
5158 (init_dynamic_diag_info): Support gcc_tdiag formats.
5159 (handle_format_attribute): Likewise.
5160 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5161 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
5162 version for format checking to 4.1.
5163 (warning0, warning, error, pedwarn, sorry): Use
5165 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5166 (finish_aliases_1): Do not use %qE.
5167 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5168 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5169 Correct format bugs.
5170 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5171 parameter to unsigned HOST_WIDE_INT.
5172 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5174 2005-07-02 David Edelsohn <edelsohn@gnu.org>
5177 * expr.c (write_complex_part): Use adjust_address for MEM.
5178 (read_complex_part): Same.
5180 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
5182 Fix PR tree-optimization/22280
5184 * tree-sra.c (generate_element_init): Remove useless loop.
5186 2005-07-02 Richard Henderson <rth@redhat.com>
5188 * config/alpha/alpha.c (alpha_legitimize_address): Check for
5190 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5192 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
5195 * fold-const.c (fold_binary): Handle the return value of
5196 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5197 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5199 2005-07-02 Jeff Law <law@redhat.com>
5201 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5202 a eliminate type conversion which feeds an equality comparison
5203 if the original type or either operand in the comparison is a
5206 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
5208 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5209 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5211 * config/avr/avr.c: Do not use '`' as left quote.
5212 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5213 Remove "." from end of diagnostics. Make diagnostics start with
5216 2005-07-02 Zack Weinberg <zack@codesourcery.com>
5217 Joseph S. Myers <joseph@codesourcery.com>
5219 * toplev.c (default_tree_printer): Handle setting location with
5221 * c-objc.common.c (c_tree_printer): Likewise.
5222 * c-format.c (gcc_diag_flag_specs): Add '+'.
5223 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5224 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5226 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5227 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5228 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5229 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5230 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5231 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
5232 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
5233 format arguments where %J is used without %D.
5235 2005-07-02 Jakub Jelinek <jakub@redhat.com>
5237 * gcc.c (LINK_SSP_SPEC): Define.
5238 (link_ssp_spec): New variable.
5239 (LINK_COMMAND_SPEC): Add %(link_ssp).
5240 (static_specs): Add link_ssp_spec.
5241 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5242 * configure: Rebuilt.
5243 * config.in: Rebuilt.
5245 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5246 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5247 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5248 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5249 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5250 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5251 -0x7008(2) instead of reading __stack_chk_guard variable.
5252 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5254 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5255 (stack_protect_set, stack_protect_test): Use *_tls* patterns
5256 if TARGET_THREAD_SSP_OFFSET is defined.
5257 (stack_tls_protect_set_si, stack_tls_protect_set_di,
5258 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5261 2005-06-27 Richard Henderson <rth@redhat.com>
5262 * libgcc-std.ver (GCC_4.1.0): New.
5263 * libgcc.h (__stack_chk_guard): Declare.
5264 (__stack_chk_fail, __stack_chk_fail_local): Declare.
5265 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5266 * mklibgcc.in (lib2funcs): Add them.
5268 2005-07-01 Richard Henderson <rth@redhat.com>
5270 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5271 void * before struct sigcontext *.
5272 (x86_fallback_frame_state): Likewise.
5274 2005-07-01 James E. Wilson <wilson@specifixinc.com>
5276 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5278 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5281 * tree-ssa-reassoc.c (should_transpose): Fix which operand
5282 we check for SSA_NAME for.
5284 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
5286 Fix PR tree-optimization/22071
5288 * tree-ssa-structalias.c (offset_overlaps_with_access): New
5290 (get_constraint_for_component_ref): Use it.
5292 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5295 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5296 print out the last new line.
5298 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
5300 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5301 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5302 * config/cris/cris.c (cris_conditional_register_usage): Adjust
5303 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5304 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5305 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5306 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5307 (enum reg_class): New member CC0_REGS.
5308 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5309 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5310 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5311 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5312 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5313 Adjust for register now described.
5315 2005-07-01 Jakub Jelinek <jakub@redhat.com>
5318 * config/i386/i386.md (stack_protect_test_si,
5319 stack_protect_test_di): Add earlyclobber for scratch 3.
5320 * config/rs6000/rs6000.md (stack_protect_testsi,
5321 stack_protect_testdi): Add earlyclobber for scratch 3,
5322 remove earlyclobber from scratch 4.
5324 Older entries for 2005 can be found in ChangeLog-2005.
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