1 2006-01-05 Richard Guenther <rguenther@suse.de>
2 Diego Novillo <dnovillo@redhat.com>
4 * tree-pass.h (TODO_remove_unused_locals): Define.
5 * gimple-low.c (expand_var_p, remove_useless_vars,
6 pass_remove_useless_vars): Remove. Update all users.
7 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8 (remove_unused_locals): New function.
9 * tree-flow.h (remove_unused_locals): Declare.
10 * passes.c (execute_todo): Call remove_unused_locals if
11 TODO_remove_unused_locals is set.
12 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13 * tree-ssa-dce.c (pass_dce): Likewise.
14 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16 2006-01-05 Richard Guenther <rguenther@suse.de>
18 * tree-flow.h (struct fieldoff): Decompose field to
20 * tree-ssa-alias.c (create_sft): Take type as parameter.
21 (create_overlap_variables_for): Store type, size and decl
22 in the fieldoff structure.
23 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
25 (push_fields_onto_fieldstack): Likewise.
26 (create_variable_info_for): Likewise. Use offset for the
27 SFT name if the decl is not available.
29 2006-01-04 Paul Brook <paul@codesourcery.com>
31 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
33 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
35 * lambda-code.c (can_put_in_inner_loop): Relax
37 (can_put_after_inner_loop): New function.
38 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
39 (perfect_nestify): Change to make copies and modify uses.
41 2006-01-04 Richard Henderson <rth@redhat.com>
43 Merge from gomp branch:
44 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
47 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
48 rather than parsing it.
49 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
50 handle_pragma_extern_prefix): Add %< %> quotes.
51 (registered_pragmas): New.
52 (c_register_pragma_1): New.
53 (c_register_pragma): Use it.
54 (c_register_pragma_with_expansion): Likewise.
55 (c_invoke_pragma_handler): New.
56 (init_pragma): Use cpp_register_deferred_pragma directly for
58 * c-pragma.h (enum pragma_kind): New.
59 (pragma_handler): New.
60 (c_invoke_pragma_handler): Declare.
61 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
63 * c-common.h (c_common_pch_pragma): Update decl.
64 * Makefile.in (c-parser.o): Update dependencies.
65 (GTFILES): Add c-pragma.h.
66 * c-parser.c (struct c_token): Add pragma_kind.
67 (struct c_parser): Add in_pragma.
68 (c_lex_one_token): Always initialize keyword and pragma_kind.
69 Extract data for CPP_PRAGMA.
70 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
71 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
72 Don't allow CPP_PRAGMA_EOL if in_pragma.
73 (c_parser_consume_pragma): New.
74 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
75 (c_parser_skip_to_end_of_parameter): Likewise.
76 (c_parser_skip_to_end_of_block_or_statement): Likewise.
77 (c_parser_skip_to_pragma_eol): New.
78 (c_parser_external_declaration): Handle CPP_PRAGMA.
79 (c_parser_compound_statement_nostart): Likewise.
80 (c_parser_statement_after_labels): Likewise.
81 (c_parser_pragma): New.
82 (pragma_lex): Likewise.
83 (c_parser_pragma_pch_preprocess): New.
84 (c_parser_new): Merge into ...
85 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
87 2005-01-04 Jeff Law <law@redhat.com>
90 * tree-cfg.c (bsi_replace): Remove the original statement
91 from the EH throw statement table.
93 2006-01-04 Jakub Jelinek <jakub@redhat.com>
95 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
96 make the prototype extern "C" and add throw ().
99 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
100 and pos non-negative and pos + len <= 32.
101 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
102 drop pos + len < HOST_BITS_PER_WIDE_INT test.
103 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
106 * c-common.c (handle_vector_size_attribute): Reject zero vector size
107 as well as sizes not multiple of component size.
110 * function.c (instantiate_expr): New function.
111 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
112 walk its DECL_VALUE_EXPR with instantiate_expr.
114 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
115 DW_OP_deref{,_size} if address isn't going to be added.
117 2006-01-04 Ben Elliston <bje@au.ibm.com>
119 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
120 * config/fp-bit.c: Likewise.
122 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
124 * dominance.c: Add comment about why we use DFS numbering
127 2006-01-03 Jakub Jelinek <jakub@redhat.com>
128 Richard Henderson <rth@redhat.com>
130 Merge from gomp-branch:
131 * varasm.c (assemble_variable): Handle thread-local COMMON data.
132 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
134 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
136 PR rtl-optimization/25578
137 * combine.c (combine_simplify_rtx, force_to_mode): Don't
138 pass a parameter to simplify_shift_const if changing ASHIFTRT
141 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
143 * gcc/builtins.c (get_builtin_sync_mem): New function.
144 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
145 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
146 Call get_builtin_sync_mem to generate mem rtx.
148 2006-01-03 Richard Guenther <rguenther@suse.de>
151 * stmt.c (add_case_node): Make sure to clear overflow flags
154 2006-01-03 Jakub Jelinek <jakub@redhat.com>
156 Merge from gomp-branch.
157 * config/sparc/sync.md: New file.
158 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
159 UNSPECV_LDSTUB): New constants.
160 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
161 * config/sparc/predicates.md (memory_reg_operand): New predicate.
162 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
165 2006-01-03 Roger Sayle <roger@eyesopen.com>
167 * combine.c (reg_subword_p): New predicate to test whether the
168 destination of a set refers to a subword/piece of a register.
169 (try_combine): Generalize the code to merge the setting of a
170 pseudo to a constant followed by a set of a subword of that
171 register to a constant.
173 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
175 * basic-block.h (control_flow_graph): Change the type of
176 x_label_to_block_map to VEC(basic_block,gc) *.
177 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
178 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
180 * tree-ssa-propagate.c (cfg_blocks): Change the type to
181 VEC(basic_block,heap) *.
182 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
183 ssa_prop_fini): Adjust the uses of cfg_blocks.
185 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
187 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
189 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
190 hashing trees instead of a pointer hash.
191 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
192 compare for MEM_EXPR.
194 PR rtl-optimization/25130
195 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
196 when comparing MEMs for GCSE
198 2006-01-03 Ben Elliston <bje@au.ibm.com>
200 * targhooks.h (default_decimal_float_supported_p): Declare.
201 * targhooks.c (default_decimal_float_supported_p): Define.
202 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
203 `default_decimal_float_supported_p'.
204 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
206 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
208 * combine.c (apply_distributive_law <SUBREG>): Check
209 TRULY_NOOP_TRUNCATION.
211 2006-01-02 Geoffrey Keating <geoffk@apple.com>
213 * dwarf2out.c (have_switched_text_section): Delete.
214 (have_multiple_function_sections): New.
215 (have_location_lists): Make 'bool'.
216 (add_AT_loc_list): Use 'true' not '1'.
217 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
218 (output_loc_list): Use have_multiple_function_sections.
219 (output_ranges): Likewise.
220 (dwarf2out_begin_function): Set have_multiple_function_sections if
222 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
223 Check function_section rather than DECL_SECTION_NAME.
224 (dwarf2out_finish): Use have_multiple_function_sections.
225 Don't clear have_location_lists.
227 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
228 Jan Hubicka <jh@suse.cz>
230 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
231 case of conditional jump jumping to the next instruction.
232 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
233 cases of conditional jump jumping to the next instruction.
235 2006-01-02 Jan Hubicka <jh@suse.cz>
237 * i386.c (*_cost): Add COSTS_N_INSNS.
238 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
240 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
243 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
245 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
247 * config/arm/arm.c (all_fpus): Fix comment typo.
248 * config/darwin.c: Likewise.
249 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
250 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
251 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
253 2006-01-01 David Edelsohn <edelsohn@gnu.org>
255 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
256 (rs6000_split_compare_and_swapqhi): New.
257 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
258 (sync_compare_and_swapqhi_internal): New.
259 * config/rs6000/rs6000-protos.h: Declare.