+2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
+ flow_loop_pre_header_scan, flow_loop_pre_header_find,
+ flow_loop_scan): Removed.
+ (flow_loop_dump): Do not dump removed fields.
+ (flow_loop_free): Do not free removed fields.
+ (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
+ (loop_exit_edge_p): New function.
+ * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
+ num_pre_header_edges, entry_edges, num_entries, exit_edges,
+ num_exits, exits_doms.
+ (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
+ LOOP_EDGES, LOOP_ALL): Removed.
+ (flow_loop_scan): Declaration removed.
+ (loop_exit_edge_p, mark_loop_exit_edges): Declare.
+ * cfgloopmanip.c (create_loop_notes): Do not pass flags to
+ flow_loops_find.
+ * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
+ (if_convert): Call flow_loops_find and flow_loops_free
+ when calling mark_loop_exit_edges.
+ * cfgloopanal.c (mark_loop_exit_edges): Moved from
+ ifcvt.c. Removed the flow_loops_find, flow_loops_free and
+ free_dominance_info calls.
+ * loop-init.c (flow_loops_find): Ditto.
+ * passes.c (rest_of_handle_branch_prob): Ditto.
+ * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
+ * loop-unroll.c (analyze_insns_in_loop): Do not use
+ EDGE_LOOP_EXIT.
+ * predict.c (predict_loops): Do not call flow_loop_scan.
+ Use get_loop_exit_edges.
+ (tree_estimate_probability): Do not pass flags to flow_loops_find.
+ * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
+ Do not use EDGE_LOOP_EXIT.
+ (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
+ to bb_with_exit_edge_p.
+ (if_convertible_loop_p): Do not call flow_loop_scan. Use
+ loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
+ to bb_with_exit_edge_p.
+ (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
+ EDGE_LOOP_EXIT.
+ * tree-loop-linear.c (linear_transform_loops): Do not call
+ flow_loop_scan. Use loop->single_exit.
+ * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
+ (vect_analyze_loop_form): Do not call flow_loop_scan.
+ * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
+ loop->single_exit.
+ (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
+ loop->single_exit.
+ * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
+ slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
+ slpeel_tree_duplicate_loop_to_edge_cfg,
+ slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
+ Use loop_preheader_edge and loop->single_exit. Do not call
+ flow_loop_scan.
+
+2005-03-01 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (thumb_find_work_register): Check all of the
+ argument registers to see if they are free, and a couple of
+ special cases where the last argument register but can be proved
+ to be available during the function's prologue.
+ (print_multi_reg, arm_compute_save_reg0_reg12_mask,
+ output_return_instruction, emit_multi_reg_push, thumb_pushpop,
+ thumb_unexpanded_epilogue): Use unsigned long as the type for the
+ register bit-mask.
+ (thumb_compute_save_reg_mask): Likewise. Also use
+ thumb_find_work_register() to ensure that there is agreement about
+ which work register is going to be used in the prologue.
+ (thumb_output_function_prologue): Use unsigned long as the type
+ for the register bit-mask. Also delay pushing the link register if
+ other high registers are going to be pushed.
+ (thumb_compute_save_reg_mask, emit_multi_reg_push,
+ print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
+ redundant prototypes.
+
+2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
+
+ PR target/19819
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
+ and after reload in REG+REG indexed addresses without REG_POINTER
+ set in the base and not set in the index.
+
+2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
+ Don't undefine here.
+ (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
+ (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
+ (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
+ LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
+ Delete.
+ * config.gcc (sh*-*-linux*): Use config/linux.h.
+
+2005-02-28 Dale Johannesen <dalej@apple.com>
+ Stan Shebs <shebs@apple.com>
+
+ Rewrite of 64-bit Darwin structure-by-value pass/return.
+ * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
+ intoffset, use_stack, named.
+ * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
+ (rs6000_darwin64_record_arg_advance_flush): New.
+ (rs6000_darwin64_record_arg_advance_recurse): New.
+ (rs6000_darwin64_record_arg_flush): New.
+ (rs6000_darwin64_record_arg_recurse): New.
+ (rs6000_darwin64_record_arg): New.
+ (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
+ (function_arg_boundary): Handle 128-bit aligned structs.
+ (function_arg_advance): Rewrite darwin64 struct handling.
+ (function_arg): Call rs6000_darwin64_record_arg.
+ (function_arg_partial_nregs): Handle darwin64 structs.
+ (rs6000_darwin64_function_value): Remove.
+ (rs6000_function_value): Call rs6000_darwin64_record_arg.
+
2005-02-28 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/20216
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