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2006-01-03 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/25578
* combine.c (combine_simplify_rtx, force_to_mode): Don't
pass a parameter to simplify_shift_const if changing ASHIFTRT
to LSHIFTRT.
2006-01-03 Adrian Straetling <straetling@de.ibm.com>
* gcc/builtins.c (get_builtin_sync_mem): New function.
(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
expand_builtin_lock_test_and_set, expand_builtin_lock_release):
Call get_builtin_sync_mem to generate mem rtx.
2006-01-03 Richard Guenther <rguenther@suse.de>
PR c/25183
* stmt.c (add_case_node): Make sure to clear overflow flags
from ranges.
2006-01-03 Jakub Jelinek <jakub@redhat.com>
Merge from gomp-branch.
* config/sparc/sync.md: New file.
* config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
UNSPECV_LDSTUB): New constants.
* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
* config/sparc/predicates.md (memory_reg_operand): New predicate.
* config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
prototype.
2006-01-03 Roger Sayle <roger@eyesopen.com>
* combine.c (reg_subword_p): New predicate to test whether the
destination of a set refers to a subword/piece of a register.
(try_combine): Generalize the code to merge the setting of a
pseudo to a constant followed by a set of a subword of that
register to a constant.
2006-01-03 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h (control_flow_graph): Change the type of
x_label_to_block_map to VEC(basic_block,gc) *.
* tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
* tree-ssa-propagate.c (cfg_blocks): Change the type to
VEC(basic_block,heap) *.
(cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
ssa_prop_fini): Adjust the uses of cfg_blocks.
2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
COMPONENT_REFs.
* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
hashing trees instead of a pointer hash.
(mem_attrs_htab_eq): Do a deep compare instead of a pointer
compare for MEM_EXPR.
PR rtl-optimization/25130
* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
when comparing MEMs for GCSE
2006-01-03 Ben Elliston <bje@au.ibm.com>
* targhooks.h (default_decimal_float_supported_p): Declare.
* targhooks.c (default_decimal_float_supported_p): Define.
* target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
`default_decimal_float_supported_p'.
* doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (apply_distributive_law <SUBREG>): Check
TRULY_NOOP_TRUNCATION.
2006-01-02 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (have_switched_text_section): Delete.
(have_multiple_function_sections): New.
(have_location_lists): Make 'bool'.
(add_AT_loc_list): Use 'true' not '1'.
(dwarf2out_switch_text_section): Set have_multiple_function_sections.
(output_loc_list): Use have_multiple_function_sections.
(output_ranges): Likewise.
(dwarf2out_begin_function): Set have_multiple_function_sections if
necessary.
(dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
Check function_section rather than DECL_SECTION_NAME.
(dwarf2out_finish): Use have_multiple_function_sections.
Don't clear have_location_lists.
2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
Jan Hubicka <jh@suse.cz>
* cfglayout.c (fixup_reorder_chain): Remove kludge for the
case of conditional jump jumping to the next instruction.
* cfgrtl.c (force_nonfallthru_and_redirect): Accept all
cases of conditional jump jumping to the next instruction.
2006-01-02 Jan Hubicka <jh@suse.cz>
* i386.c (*_cost): Add COSTS_N_INSNS.
(ix86_rtx_costs): Do not use COSTS_N_INSNS.
2006-01-02 Paolo Bonzini <bonzini@gnu.org>
PR target/25259
* Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* config/arm/arm.c (all_fpus): Fix comment typo.
* config/darwin.c: Likewise.
* config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
* config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
* config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2006-01-01 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
(rs6000_split_compare_and_swapqhi): New.
* config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
(sync_compare_and_swapqhi_internal): New.
* config/rs6000/rs6000-protos.h: Declare.
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