+2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
+
+ PR libgcj/23508
+ * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
+ state for return address column of signal frames.
+
+2005-08-27 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/23539
+ * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
+ bytes >= 2 not bytes == 2.
+ (expand_block_move): Same.
+
+2005-08-27 Richard Guenther <rguenther@suse.de>
+
+ PR target/23575
+ * config/i386/sse.md (sse2_movsd): Add missing closing
+ braces.
+
+2005-08-27 Paul Brook <paul@codesourcery.com>
+
+ * genrecog.c (enum decision_type): Add DT_num_insns.
+ (struct decision_test): Add u.num_insns.
+ (add_to_sequence): Add DT_num_insns test.
+ (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
+ (write_cond, debug_decision_2): Ditto.
+ (change_state): Assume peep2_next_insn never fails.
+ Remove "afterward" argument.
+ (write afterward, write_tree): Update to match.
+ * recog.c (peep2_current_count): New variable.
+ (peep2_next_insn): Check it.
+ (peephole2_optimize): Set peep2_current_count.
+ * recog.h (peep2_current_count): Declare.
+
+2005-08-26 Josh Conner <jconner@apple.com>
+
+ PR middle-end/23584
+ * ipa-pure-const.c (check_tree): Check for volatile-ness
+ when considering a dereference.
+
+2005-08-27 Jakub Jelinek <jakub@redhat.com>
+
+ * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
+
+2005-08-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/23561
+ * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
+ a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
+ at most LEN bytes long memory fits into the field.
+ (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
+ expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
+ expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
+
+2005-08-26 Richard Henderson <rth@redhat.com>
+
+ PR rtl-opt/23560
+ * loop.c (biased_biv_may_wrap_p): New.
+ (maybe_eliminate_biv_1): Use it to suppress non-equality
+ comparison transformations. Delete disabled code.
+
+2005-08-26 Ian Lance Taylor <ian@airs.com>
+
+ * combine.c (make_extraction): Avoid reference outside object.
+
+2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
+
+ * stor-layout.c (finalize_type_size): Restore behaviour for
+ non-aggregate types to the status quo ante of the patch for
+ pr 23467. Document why it matters.
+
+2005-08-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/23506
+ * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
+ array by one element, initialize the BT_LAST element with NULL.
+
+2005-08-26 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
+ optimizing for size.
+ (plus_eqsi): Same.
+ (compare_plus_eqsi): Same.
+ (plus_eqsi_compare): Same.
+ (neg_eq0<mode>): Same.
+ (neg_eq<mode>): Same.
+
+ * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
+ PROCESSOR_POWER4.
+
+2005-08-26 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.c (ep_memory_operand): Return FALSE if
+ TARGET_EP is not defined.
+ * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
+ TARGET_EP is enabled.
+ (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
+ * config/v850/v850.md (save_all_interrupt): Only use the EP
+ register if TARGET_EP is defined.
+ (restore_all_interrupt): Likewise.
+ * config/v850/lib1funcs.asm: Update functions so that the EP
+ register is only used if __EP__ is defined.
+
+2005-08-26 David Ung <davidu@mips.com>
+
+ * config/mips/mips.c (mips_expand_prologue): Handle case when
+ generating for MIPS16 and the outgoing argument area is more than
+ SMALL_OPERAND. Use the frame pointer as temporary to generate the
+ add instruction.
+
+2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
+
+ * config/crx/crx.md: Make doloop_end pattern usage controllable
+ via mloop-nesting=<max-nesting> command line switch. Make sure
+ the combiner cannot use doloop_end_<mode> in an illegal way.
+ * config/crx/crx.c: Use regs up to r6 for argument passing.
+ Refine crx_address_cost (non cst4 displacements are expensive).
+ * config/crx/crx.opt: Add switch for mloop-nesting=.
+
+2005-08-26 Adrian Straetling <straetling@de.ibm.com>
+
+ * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
+ (UNSPEC_MVST): New constant.
+
+2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
+ Reject operands containing eliminable registers.
+ * testsuite/gcc.dg/20050825-1.c: New testcase.
+
+2005-08-24 Paolo Bonzini <bonzini@gnu.org>
+ Jan Hubicka <jh@suse.cz>
+
+ * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
+
+2005-08-24 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/23546
+ * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
+ and REAL_CST nodes.
+
+2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
+
+ * params.def (PARAM_MIN_SPEC_PROB): New.
+ * sched-rgn.c (MIN_PROBABILITY): Delete.
+ (compute_trg_info): Convert to PARAM_VALUE.
+ * doc/invoke.texi (param): Document min-spec-prob.
+
+2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
+
+ * config/darwin.h: define __PIC__
+ * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
+ TARGET_OS_CPP_BUILTINS macro.
+
+2005-08-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
+ yesterday.
+
+2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
+ to duplicate_block.
+ * cfghooks.c (duplicate_block): Added position where to place
+ new block as argument.
+ * cfghooks.h (duplicate_block): Declaration changed.
+ * cfglayout.c (copy_bbs): Add argument after. Pass it to
+ duplicate_block.
+ * cfglayout.h (copy_bbs): Declaration changed.
+ * cfgloop.h (loop_version): Declaration changed.
+ * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
+ position to copy_bbs.
+ (loop_version): Pass position to duplicate_loop_to_header_edge.
+ Add place_after argument and position new blocks according to
+ it.
+ * modulo-sched.c (sms_schedule): Pass place_after argument
+ to loop_version.
+ * tracer.c (tail_duplicate): Pass argument to duplicate_block.
+ * tree-cfg.c (split_edge_bb_loc): New function.
+ (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
+ to determine position of new blocks.
+ * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
+ to loop_version.
+ * tree-ssa-threadupdate.c (create_block_for_threading): Pass
+ argument to duplicate_block.
+ * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
+ Pass position to copy_bbs.
+
+2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * fold-const.c (ptr_difference_const): Use
+ cst_and_fits_in_hwi instead of host_integerp.
+
+2005-08-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/darwin.c (gen_pic_offset): New.
+ (machopic_indirect_data_reference, machopic_legitimize_pic_address):
+ Use it.
+
+2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/23486
+ * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
+
2005-08-23 Phil Edwards <phil@codesourcery.com>
* config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
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