+2007-06-20 Sebastian Pop <sebpop@gmail.com>
+
+ PR tree-optimization/32075
+ * tree-data-ref.c (subscript_dependence_tester_1,
+ analyze_miv_subscript, analyze_overlapping_iterations,
+ add_distance_for_zero_overlaps, build_classic_dist_vector,
+ subscript_dependence_tester_1, analyze_overlapping_iterations,
+ subscript_dependence_tester, access_functions_are_affine_or_constant_p,
+ compute_affine_dependence, compute_all_dependences): Pass loop_nest
+ to evolution_function_is_affine_multivariate_p.
+
+2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
+
+2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32335
+ * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
+ for TARGET_A16.
+ * config/m32c/prologue.md (epilogue_exitd_16): New.
+ (epilogue_reit_16): New.
+ (epilogue_exitd): Rename to epilogue_exitd_24.
+ (epilogue_reit): Rename to epilogue_reit_24.
+
+2007-06-20 Seongbae Park <seongbae.park@gmail.com>
+ Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
+ New counters.
+ * haifa-sched.c (queue_to_ready): Don't requeue next insn
+ if dbg_cnt (sched_insn) reaches the limit.
+ (choose_ready): New parameter INSN_PTR and new return value.
+ (schedule_block): Handle dbg_cnt (sched_insn). Handle
+ the new return value from choose_ready.
+ * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
+ (rest_of_handle_global_alloc): New global_alloc_at_func.
+
+2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
+
+ PR tree-optimization/25737
+ * tree.h (struct tree_struct_field_tag): Add new field alias_set.
+ (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
+ * tree-flow.h (struct fieldoff): Add new field alias_set.
+ * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
+ argument addressable_type. Set alias_set of fieldoff.
+ * tree-ssa-alias.c (create_sft): Add new argument alias_set.
+ (create_overlap_variables_for): Pass alias_set from fieldoff to
+ create_sft.
+ * alias.c (get_alias_set): Use alias_set from SFT if set.
+
+2007-06-20 Hui-May Chang <hm.chang@apple.com>
+
+ * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
+ of a variable as an unsigned HOST_WIDE_INT integer.
+
+2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32405
+ * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
+
+2007-06-20 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
+
+ PR middle-end/31959
+ * builtins.c: Include diagnostic.h.
+ (expand_builtin_expect): Make gcc_assert more permissive.
+ * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
+
+ PR inline-asm/32109
+ * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
+ and !allows_mem.
+
+ PR middle-end/32285
+ * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
+ if ACCUMULATE_OUTGOING_ARGS.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * config/m68hc11/m68hc11.c: Include dataflow header file.
+ (m68hc11_reorg): Port to dataflow.
+
+2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
+ (struct df_problem.free_blocks_on_set_blocks): New field.
+ (struct dataflow.optional_p): New field.
+ (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
+ (df_live_set_all_dirty): New function.
+ * df-scan.c (df_scan_alloc): Initialize optional_p.
+ (problem_SCAN): Initialize free_blocks_on_set_blocks.
+ * df-core.c (df_set_blocks): Removed use of
+ DF_FIRST_OPTIONAL_PROBLEM. Now uses
+ df_problem.free_blocks_on_set_blocks to determine which blocks are
+ recycled.
+ (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
+ (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
+ uses dataflow.optional_p to determine if problem should be
+ deleted.
+ (rest_of_handle_df_initialize): Only start live problem if
+ -02 or above.
+ (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
+ * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
+ df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
+ (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
+ problem_NOTE): Initialize free_blocks_on_set_blocks.
+ (df_lr_bb_local_compute): Recompute luids if df_live problem is
+ not active.
+ (df_live_set_all_dirty, df_note_alloc): New function.
+ * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
+ df_get_live_*.
+ * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
+ * postreload.c (reload_combine): Ditto.
+ * cse.c (cse_extended_basic_block): Ditto.
+ * regmove.c (mark_flags_life_zones): Ditto.
+ * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
+ erase_matching_seqs): Ditto.
+ * bt-load.c (compute_defs_uses_and_gen): Ditto.
+ * integrate (allocate_initial_values): Ditto.
+ * combine.c (reg_dead_at_p): Ditto.
+ * resource.c (mark_target_live_regs): Ditto.
+ * sched-rgn.c (check_live_1, update_live_1): Ditto.
+ * config/sh/sh.c (find_r0_life_regions): Ditto.
+ * global.c (rest_of_handle_global_alloc): Only add back df_live
+ for -O > 1.
+ * local-alloc.c (rest_of_handle_local_alloc): Only remove
+ df_live for -O > 1.
+ * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
+ df_get_live_*.
+ (if_convert): Make sure df_live is there at -O == 1.
+ (pass_if_after_combine): Cleanup flags.
+ * init-regs.c (initialize_uninitialized_regs): Make sure df_live
+ is there at -O == 1.
+
+2007-06-19 Seongbae Park <seongbae.park@gmail.com>
+
+ * config/arm/arm.c (arm_get_frame_offsets): Set
+ offsets->locals_base to avoid negative stack size.
+ (thumb1_expand_prologue): Assert on negative stack size.
+
+2007-04-19 Sebastian Pop <sebpop@gmail.com>
+
+ PR tree-optimization/32367
+ * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
+ of the chrec has no evolution in that loop.
+ * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
+
+2007-06-19 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c: Include "df.h".
+ (xtensa_builtin_saveregs): Use adjust_address instead of change_address.
+ (xtensa_va_start): Invoke make_tree with sizetype for
+ expand_builtin_saveregs and then convert the result to a pointer.
+ Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
+ (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
+ Subtract argument size from index value as integers and then use
+ POINTER_PLUS_EXPR to add the result to the array address.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32335
+ * config/m32c/m32c.c: Include dataflow header file.
+ (m32c_emit_prologue): Adjust for prologue insn change.
+ * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
+ once inside a PARALLEL. Assume frame size passed in operand 0
+ includes space to save the fb register.
+ (prologue_enter_24): Likewise.
+ (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
+
+2007-06-19 David Daney <ddaney@avtrex.com
+
+ PR target/32313
+ * config/mips/mips.md (cprestore): Mark $gp as used.
+
+2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32369
+ * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
+ (frv_ifcvt_modify_insn): Likewise.
+
+2007-06-19 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
+ only handle positive offsets that fit in a HOST_WIDE_INT.
+
+2007-06-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
+ result of rsqrt insn for zero input argument to avoid NaN.
+
+2007-06-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31950
+ * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
+
+2007-06-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/32353
+ * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
+
+2007-06-19 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for
+ -pthread.
+
2007-06-18 Uros Bizjak <ubizjak@gmail.com>
PR target/32389
* df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
to the exit block use set.
+ (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
* gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
* config/sparc/sparc.c (sparc_check_64): Check df != NULL.
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