+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/39315
+ * cfgexpand.c (expand_one_stack_var_at): Change alignment
+ limit to MAX_SUPPORTED_STACK_ALIGNMENT.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39120
+ * tree-ssa-structalias.c (handle_rhs_call): Fill out return
+ constraints.
+ (handle_lhs_call): Process return constraints. Add escape
+ constraints if necessary.
+ (handle_const_call): Fill out return constraints. Make nested
+ case more precise. Avoid consttmp if possible.
+ (handle_pure_call): Fill out return constraints. Avoid
+ callused if possible.
+ (find_func_aliases): Simplify call handling.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39120
+ * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
+ as a representative.
+ (solve_graph): Do propagate CALLUSED.
+ (handle_pure_call): Use a scalar constraint from CALLUSED for
+ the return value.
+ (find_what_p_points_to): CALLUSED shall not appear in poins-to
+ solutions.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR c/39323
+ * c-common.c (handle_aligned_attribute): Properly check alignment
+ overflow. Use (1U << i) instead of (1 << i).
+
+ * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
+ align.
+
+ * expr.h (get_mem_align_offset): Updated.
+
+ * tree.h (tree_decl_common): Change align to "unsigned int" and
+ move it before pointer_alias_set.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR target/38034
+ * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
+ gr_register_operand with gr_reg_or_0_operand.
+ (cmpxchg_rel_di): Likewise.
+ (sync_lock_test_and_set<mode>): Likewise.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
+ (true_regnum): Likewise.
+
+ * rtlanal.c (subreg_info): Moved to ...
+ * rtl.h (subreg_info): Here. New.
+ (subreg_get_info): New.
+
+ * rtlanal.c (subreg_get_info): Make it extern.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39472
+ * config/i386/i386.c (ix86_abi): New.
+ (override_options): Handle -mabi=.
+ (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
+ ix86_abi.
+ (ix86_call_abi_override): Likewise.
+ (init_cumulative_args): Likewise.
+ (function_arg_advance): Likewise.
+ (function_arg_64): Likewise.
+ (function_arg): Likewise.
+ (ix86_pass_by_reference): Likewise.
+ (ix86_function_value_regno_p): Likewise.
+ (ix86_build_builtin_va_list_abi): Likewise.
+ (setup_incoming_varargs_64): Likewise.
+ (is_va_list_char_pointer): Likewise.
+ (ix86_init_machine_status): Likewise.
+ (ix86_reg_parm_stack_space): Use enum calling_abi on
+ call_abi.
+ (ix86_function_type_abi): Return enum calling_abi. Rewrite
+ for 64bit. Replace DEFAULT_ABI with ix86_abi.
+ (ix86_function_abi): Make it static and return enum
+ calling_abi.
+ (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
+ with ix86_abi.
+ (ix86_fn_abi_va_list): Updated.
+
+ * config/i386/i386.h (ix86_abi): New.
+ (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
+ (CONDITIONAL_REGISTER_USAGE): Likewise.
+ (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
+ (machine_function): Likewise.
+
+ * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
+ with ix86_abi.
+ * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
+ (STACK_BOUNDARY): Likewise.
+ * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
+
+ * config/i386/i386.opt (mabi=): New.
+
+ * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
+ return enum calling_abi.
+ (ix86_function_type_abi): Likewise.
+ (ix86_function_abi): Removed.
+
+ * doc/invoke.texi: Document -mabi= option for x86.
+
+2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (real_dconstp): Delete.
+ (fold_builtin_logarithm): Remove inaccurate log(e) special case.
+
+2009-03-27 Dodji Seketeli <dodji@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/37959
+ * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
+ (gen_subprogram_die): When a function is explicit, generate the
+ DW_AT_explicit attribute.
+ * langhooks.h (struct lang_hooks_for_decls): Add
+ function_decl_explicit_p langhook.
+ * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
+ (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
+
+2009-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (fold_builtin_memory_op): Optimize memmove
+ into memcpy if we can prove source and destination don't overlap.
+
+ * tree-inline.c: Include gt-tree-inline.h.
+ (clone_fn_id_num): New variable.
+ (clone_function_name): New function.
+ (tree_function_versioning): Use it.
+ * Makefile.in (GTFILES): Add tree-inline.c.
+
+2009-03-27 Mark Mitchell <mark@codesourcery.com>
+
+ * BASE-VER: Change to 4.5.0.
+
2009-03-27 Xinliang David Li <davidxl@google.com>
PR tree-optimization/39557
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