1 2009-03-30 Ira Rosen <irar@il.ibm.com>
3 * tree-vect-loop-manip.c: New file.
4 * tree-vectorizer.c: Update documentation and included files.
5 (vect_loop_location): Make extern.
6 (rename_use_op): Move to tree-vect-loop-manip.c
7 (rename_variables_in_bb, rename_variables_in_loop,
8 slpeel_update_phis_for_duplicate_loop,
9 slpeel_update_phi_nodes_for_guard1,
10 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
11 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
12 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
13 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
14 find_loop_location): Likewise.
15 (new_stmt_vec_info): Move to tree-vect-stmts.c.
16 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
17 get_vectype_for_scalar_type, vect_is_simple_use,
18 supportable_widening_operation, supportable_narrowing_operation):
20 (bb_in_loop_p): Move to tree-vect-loop.c.
21 (new_loop_vec_info, destroy_loop_vec_info,
22 reduction_code_for_scalar_code, report_vect_op,
23 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
24 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
25 (vect_supportable_dr_alignment): Likewise.
26 * tree-vectorizer.h (tree-data-ref.h): Include.
27 (vect_loop_location): Declare.
28 Reorganize function declarations according to the new file structure.
29 * tree-vect-loop.c: New file.
30 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
31 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
32 * tree-vect-data-refs.c: New file.
33 * tree-vect-patterns.c (timevar.h): Don't include.
34 * tree-vect-stmts.c: New file.
35 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
36 tree-vect-slp.c, tree-vect-loop.c.
37 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
38 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
39 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
40 (tree-vect-analyze.o): Remove.
41 (tree-vect-transform.o): Likewise.
42 (tree-vect-data-refs.o): Add rule.
43 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
44 tree-vect-slp.o): Likewise.
45 (tree-vect-patterns.o): Remove redundant dependencies.
46 (tree-vectorizer.o): Likewise.
47 * tree-vect-slp.c: New file.
49 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
51 * optc-gen.awk: Warn if an option flag has multiple different
54 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
56 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
57 -floop-block): Document dependences on PPL, CLooG and Graphite.
59 2009-03-30 Joseph Myers <joseph@codesourcery.com>
61 PR rtl-optimization/323
62 * c-common.c (c_fully_fold, convert_and_check,
63 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
64 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
65 * c-common.def (EXCESS_PRECISION_EXPR): New.
66 * c-cppbuiltin.c (builtin_define_float_constants): Define
67 constants with enough digits for long double.
68 * c-lex.c (interpret_float): Interpret constant with excess
69 precision where appropriate.
70 * c-opts.c (c_common_post_options): Set
71 flag_excess_precision_cmdline. Give an error for
72 -fexcess-precision=standard for C++ for processors where the
73 option is significant.
74 * c-parser.c (c_parser_conditional_expression): Handle excess
75 precision in condition.
76 * c-typeck.c (convert_arguments): Handle arguments with excess
78 (build_unary_op): Move excess precision outside operation.
79 (build_conditional_expr): Likewise.
80 (build_compound_expr): Likewise.
81 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
82 (build_modify_expr): Handle excess precision in RHS.
83 (convert_for_assignment): Handle excess precision in converted
85 (digest_init, output_init_element, process_init_element): Handle
86 excess precision in initializer.
87 (c_finish_return): Handle excess precision in return value.
88 (build_binary_op): Handle excess precision in operands and add
89 excess precision as needed for operation.
90 * common.opt (-fexcess-precision=): New option.
91 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
92 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
93 For standard excess precision, output explicit conversion to and
94 truncation from XFmode.
95 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
96 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
97 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
98 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
99 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
100 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
101 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
102 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
103 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
104 define_splits, sqrt<mode>2): Disable where appropriate for
105 standard excess precision.
106 * convert.c (convert_to_real): Do not shorten arithmetic to type
107 for which excess precision would be used.
108 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
109 * doc/invoke.texi (-fexcess-precision=): Document option.
110 (-mfpmath=): Correct index entry.
111 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
112 flag_excess_precision): New.
113 * langhooks.c (lhd_post_options): Set
114 flag_excess_precision_cmdline.
115 * opts.c (common_handle_option): Handle -fexcess-precision=.
116 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
117 init_excess_precision): New.
118 (lang_dependent_init_target): Call init_excess_precision.
119 * tree.c (excess_precision_type): New.
120 * tree.h (excess_precision_type): Declare.
122 2009-03-30 Joseph Myers <joseph@codesourcery.com>
125 * c-typeck.c (build_component_ref): Do not copy qualifiers from
126 non-lvalue to component.
128 2009-03-29 Joseph Myers <joseph@codesourcery.com>
130 PR preprocessor/34695
131 * Makefile.in (c-opts.o): Depend on c-tree.h.
132 * c-common.c: Move down include of diagnostic.h.
133 (done_lexing, c_cpp_error): New.
134 * c-common.h (done_lexing): Declare.
135 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
137 * c-opts.c: Include c-tree.h.
138 (c_common_init_options): Set preprocessor error callback.
139 (c_common_handle_option): Do not set preprocessor
140 inhibit_warnings, warnings_are_errors, warn_system_headers,
141 pedantic_errors or inhibit_warnings flags.
142 (c_common_post_options): Do not check cpp_errors (parse_in).
143 (c_common_finish): Do not output dependencies if there were
144 errors. Do not check return value of cpp_finish.
145 * c-ppoutput.c (pp_file_change): Set input_location.
146 * c-tree.h (c_cpp_error): Declare.
147 * diagnostic.c (diagnostic_set_info_translated): Also initialize
149 (diagnostic_build_prefix): Check override_column.
150 * diagnostic.h (diagnostic_info): Add override_column field.
151 (diagnostic_override_column): Define.
153 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
155 * c-common.c (c_expand_expr, c_staticp): Remove.
156 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
157 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
158 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
159 * c-gimplify.c (gimplify_compound_literal_expr,
160 optimize_compound_literals_in_ctor): Remove.
161 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
162 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
163 * c-semantics.c (emit_local_var): Remove.
165 * langhooks-def.h (lhd_expand_expr): Remove.
166 * langhooks.c (lhd_expand_expr): Remove.
167 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
169 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
170 handling from c-semantics.c; don't call into langhook.
171 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
172 * gimplify.c (gimplify_compound_literal_expr,
173 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
174 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
175 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
176 as was done in c-gimplify.c.
177 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
178 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
179 Move from c-common.h.
180 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
182 * tree.c (staticp): Do not call langhook.
183 * langhooks.c (lhd_staticp): Delete.
184 * langhooks-def.h (lhd_staticp): Delete prototype.
185 (LANG_HOOKS_STATICP): Delete.
186 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
188 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
189 instead of DECL_STMTs.
191 2009-03-29 Joseph Myers <joseph@codesourcery.com>
199 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
201 (fold_call_expr): Return a NOP_EXPR from folding rather than the
202 contained expression.
203 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
204 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
205 conditional expressions for C.
206 (decl_constant_value_for_optimization): Move from
207 decl_constant_value_for_broken_optimization in c-typeck.c. Check
208 whether optimizing and that the expression is a VAR_DECL not of
209 array type instead of doing such checks in the caller. Do not
210 check pedantic. Call gcc_unreachable for C++.
211 * c-common.def (C_MAYBE_CONST_EXPR): New.
212 * c-common.h (c_fully_fold, c_save_expr,
213 decl_constant_value_for_optimization): New prototypes.
214 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
215 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
216 EXPR_INT_CONST_OPERANDS): Define.
217 * c-convert.c (convert): Strip nops from expression.
218 * c-decl.c (groktypename): Take extra parameters expr and
219 expr_const_operands. Update call to grokdeclarator.
220 (start_decl): Update call to grokdeclarator. Add statement for
221 expressions used in type of decl.
222 (grokparm): Update call to grokdeclarator.
223 (push_parm_decl): Update call to grokdeclarator.
224 (build_compound_literal): Add parameter non_const and build a
225 C_MAYBE_COSNT_EXPR if applicable.
226 (grokdeclarator): Take extra parameters expr and
227 expr_const_operands. Track expressions used in declaration
228 specifiers and declarators. Fold array sizes and track whether
229 they are constant expressions and whether they are integer
230 constant expressions.
231 (parser_xref_tag): Set expr and expr_const_operands fields in
233 (grokfield): Update call to grokdeclarator.
234 (start_function): Update call to grokdeclarator.
235 (build_null_declspecs): Set expr and expr_const_operands fields in
237 (declspecs_add_type): Handle expressions in typeof specifiers.
238 * c-parser.c (c_parser_declspecs): Set expr and
239 expr_const_operands fields for declaration specifiers.
240 (c_parser_enum_specifier): Likewise.
241 (c_parser_struct_or_union_specifier): Likewise.
242 (c_parser_typeof_specifier): Likewise. Update call to
243 groktypename. Fold expression as needed. Return expressions with
244 type instead of adding statements.
245 (c_parser_attributes): Update calls to c_parser_expr_list.
246 (c_parser_statement_after_labels): Fold expression before passing
247 to objc_build_throw_stmt.
248 (c_parser_condition): Fold expression.
249 (c_parser_asm_operands): Fold expression.
250 (c_parser_conditional_expression): Use c_save_expr. Update call
251 to build_conditional_expr.
252 (c_parser_alignof_expression): Update call to groktypename.
253 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
254 original_code. Fold expression argument of va_arg. Create
255 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
256 argument to va_arg. Update calls to groktypename. Fold array
257 index for offsetof. Verify that first argument to
258 __builtin_choose_expr has integer type.
259 (c_parser_postfix_expression_after_paren_type): Update calls to
260 groktypename and build_compound_literal. Handle expressions with
261 side effects in type name.
262 (c_parser_postfix_expression_after_primary): Update call to
263 c_parser_expr_list. Set original_code for calls to
264 __builtin_constant_p.
265 (c_parser_expr_list): Take extra parameter fold_p. Fold
266 expressions if requested.
267 (c_parser_objc_type_name): Update call to groktypename.
268 (c_parser_objc_synchronized_statement): Fold expression.
269 (c_parser_objc_receiver): Fold expression.
270 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
271 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
272 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
273 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
274 (struct c_typespec): Add elements expr and expr_const_operands.
275 (struct c_declspecs): Add elements expr and expr_const_operands.
276 (groktypename, build_conditional_expr, build_compound_literal):
278 (in_late_binary_op): Declare.
279 * c-typeck.c (note_integer_operands): New function.
280 (in_late_binary_op): New variable.
281 (decl_constant_value_for_broken_optimization): Move to c-common.c
282 and rename to decl_constant_value_for_optimization.
283 (default_function_array_conversion): Do not strip nops.
284 (default_conversion): Do not call
285 decl_constant_value_for_broken_optimization.
286 (build_array_ref): Do not fold result.
287 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
288 result when operand is a VLA.
289 (c_expr_sizeof_type): Update call to groktypename. Handle
290 expressions included in type name. Use C_MAYBE_CONST_EXPR for
291 result when operand names a VLA type.
292 (build_function_call): Update call to build_compound_literal.
293 Only fold result for calls to __builtin_* functions. Strip
294 NOP_EXPR from INTEGER_CST returned from such functions. Fold
295 the function designator.
296 (convert_arguments): Fold arguments. Update call to
297 convert_for_assignment.
298 (build_unary_op): Handle increment and decrement of
299 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
300 decrement earlier. Fold operand of increment and decrement.
301 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
302 built for integer operand. Wrap returns that are INTEGER_CSTs
303 without being integer constant expressions or that have integer
304 constant operands without being INTEGER_CSTs.
305 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
306 (build_conditional_expr): Add operand ifexp_bcp. Track whether
307 result is an integer constant expression or can be used in
308 unevaluated parts of one and avoid folding and wrap as
309 appropriate. Fold operands before possibly doing -Wsign-compare
311 (build_compound_expr): Wrap result for C99 if operands can be used
312 in integer constant expressions.
313 (build_c_cast): Update call to digest_init. Do not ignore
314 overflow from casting floating-point constants to integers. Wrap
315 results that could be confused with integer constant expressions,
316 null pointer constants or floating-point constants.
317 (c_cast_expr): Update call to groktypename. Handle expressions
318 included in type name.
319 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
320 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
321 Update calls to convert_for_assignment.
322 (convert_for_assignment): Take new parameter
323 null_pointer_constant. Do not strip nops or call
324 decl_constant_value_for_broken_optimization. Set
325 in_late_binary_op for conversions to boolean.
326 (store_init_value): Update call to digest_init.
327 (digest_init): Take new parameter null_pointer_constant. Do not
328 call decl_constant_value_for_broken_optimization. pedwarn for
329 initializers not constant expressions. Update calls to
330 convert_for_assignment.
331 (constructor_nonconst): New.
332 (struct constructor_stack): Add nonconst element.
333 (really_start_incremental_init, push_init_level, pop_init_level):
334 Handle constructor_nonconst and nonconst element.
335 (set_init_index): Call constant_expression_warning for array
337 (output_init_element): Fold value. Set constructor_nonconst as
338 applicable. pedwarn for initializers not constant expressions.
339 Update call to digest_init. Call constant_expression_warning
340 where constant initializers are required.
341 (process_init_element): Use c_save_expr.
342 (c_finish_goto_ptr): Fold expression.
343 (c_finish_return): Fold return value. Update call to
344 convert_for_assignment.
345 (c_start_case): Fold switch expression.
346 (c_process_expr_stmt): Fold expression.
347 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
348 ensure statement expression is not evaluated in constant expression.
349 (build_binary_op): Track whether results are integer constant
350 expressions or may occur in such, disable folding and wrap results
351 as applicable. Fold operands for -Wsign-compare warnings unless
353 (c_objc_common_truthvalue_conversion): Handle results folded to
354 integer constants that are not integer constant expressions.
355 * doc/extend.texi: Document when typeof operands are evaluated,
356 that condition of __builtin_choose_expr is an integer constant
357 expression, and more about use of __builtin_constant_p in
360 2009-03-29 Richard Guenther <rguenther@suse.de>
362 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
363 propagate addresses of array references.
365 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
367 * regmove.c (perhaps_ends_bb_p): Remove.
368 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
369 from INSN and check that the main loop stays within that basic block.
370 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
371 (regmove_forward_pass): Split out from regmove_optimize. Use
372 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
373 (regmove_backward_pass): Split out from regmove_optimize. Use
374 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
375 (regmove_optimize): Simplify.
377 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
380 * config/i386/i386.c (classify_argument): Ignore flexible array
381 member in struct and warn ABI change.
383 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
385 * config/i386/i386-protos.h (ix86_agi_dependent): New.
387 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
388 (ix86_adjust_cost): Updated.
390 2009-03-29 Jan Hubicka <jh@suse.cz>
393 * tree-pass.h (pass_cleanup_eh): New function.
394 (remove_unreachable_regions): Break code handling RTL
395 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
396 that can not be reached by runtime.
397 (can_be_reached_by_runtime): New function.
398 (label_to_region_map): New function.
399 (num_eh_regions): New function.
400 (rtl_remove_unreachable_regions): New function.
401 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
402 (remove_eh_region): New function.
403 * except.h: Include sbitmap and vecprim.
404 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
405 num_eh_regions): Declare.
406 * passes.c (init_optimization_passes): Schedule cleanup_eh.
407 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
408 * tree-eh.c (tree_remove_unreachable_handlers): New function.
409 (tree_empty_eh_handler_p): New function.
410 (cleanup_empty_eh): New function.
411 (cleanup_eh): New function.
412 (pass_cleanup_eh): New function.
414 2009-03-29 Jan Hubicka <jh@suse.cz>
416 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
419 2009-03-29 Jan Hubicka <jh@suse.cz>
421 * except.c (dump_eh_tree): Dump all datastructures.
423 2009-03-29 Jan Hubicka <jh@suse.cz>
425 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
426 (duplicate_eh_regions_1): Likewise.
427 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
428 vector; call EH verification.
429 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
430 Be ready for region being removed.
432 2009-03-29 Jan Hubicka <jh@suse.cz>
434 * bitmap.c (bitmap_last_set_bit): New function.
435 * bitmap.h (bitmap_last_set_bit): Declare.
437 2009-03-29 David Ayers <ayers@fsfe.org>
440 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
441 by calling objc_compare_types and surpress warnings about
442 incompatible C pointers that are compatible ObjC pointers.
444 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
446 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
447 call initialize_inline_failed.
448 (initialize_inline_failed): Move it from here ...
449 * cgraph.c (initialize_inline_failed): ... to here.
450 (cgraph_create_edge): Call initialize_inline_failed rather than
451 setting inline_failed directly.
453 2009-03-29 Ben Elliston <bje@au.ibm.com>
456 * sysv4.opt (msdata): Improve comment.
457 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
458 * sysv4.h (SVR4_ASM_SPEC): Likewise.
460 2009-03-29 Ben Elliston <bje@au.ibm.com>
463 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
464 load and store attributes.
466 2009-03-29 Ben Elliston <bje@au.ibm.com>
468 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
469 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
470 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
471 * doc/extend.texi (X86 Built-in Functions): Add index entries for
472 __builtin_infq and __builtin_huge_valq.
474 2009-03-28 Anatoly Sokolov <aesok@post.ru>
476 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
478 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
479 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
481 2009-03-28 Xinliang David Li <davidxl@google.com>
483 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
484 (do_dbg_cnt): New function.
486 2009-03-28 Jan Hubicka <jh@suse.cz>
488 Merge from pretty-ipa:
490 2009-03-27 Jan Hubicka <jh@suse.cz>
492 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
493 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
494 * passes.c (function_called_by_processed_nodes_p): New.
495 * ipa-pure-const.c (check_call): Fix handling of operands.
496 (analyze_function): Dump debug output for skipped bodies.
497 (local_pure_const): Use function_called_by_processed_nodes_p.
498 * dwarf2out.c (reference_to_unused): Use output.
499 * passes.c (do_per_function_toporder): Likewise.
501 2008-11-12 Jan Hubicka <jh@suse.cz>
503 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
504 * ipa-pure-const.c (funct_state_d): Add can throw field; make
505 state_set_in_source enum
506 (check_decl): Ignore memory tags; do not set fake looping flags;
508 (check_operand, check_tree, check_rhs_var, check_lhs_var,
509 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
510 (check_call, analyze_function): Rewrite.
512 (add_new_function): Update call of analyze_function.
513 (generate_summary): Add call of analyze_function.
514 (propagate): Propagate can_throw; handle state_set_in_source correctly.
515 (local_pure_const): New function.
516 (pass_local_pure_const): New pass.
517 * ipa-inline.c (inline_transform): Set after_inlining.
518 * tree-eh.c (stmt_can_throw_external): New.
519 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
520 work with aliasing built.
521 * tree-flow.h (stmt_can_throw_external): New.
522 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
523 and local pure/const pass in early and late optimization queue.
525 2009-03-28 Martin Jambor <mjambor@suse.cz>
527 * fold-const.c (get_pointer_modulus_and_residue): New parameter
529 (fold_binary): Allow function decl aligment consideration is the
530 second argument is integer constant one.
531 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
532 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
533 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
535 2009-03-28 Jan Hubicka <jh@suse.cz>
537 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
538 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
539 * function.h (rtl_data): Add nothrow flag.
540 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
541 set DECL_NOTHROW for AVAILABLE functions.
543 2009-03-28 Jakub Jelinek <jakub@redhat.com>
545 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
546 following vector keyword has expansion starting with pixel or bool
547 keyword, expand vector to __vector and pixel or bool to __pixel or
551 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
552 warn_if_disallowed_function_p): Removed.
553 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
554 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
555 warning_if_disallowed_function_p.
556 * flags.h (warn_if_disallowed_function_p,
557 warn_disallowed_functions): Removed.
558 * common.opt (Wdisallowed-function-list=): Removed.
559 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
561 2009-03-28 Richard Guenther <rguenther@suse.de>
563 PR tree-optimization/38723
564 * tree-ssa-pre.c (compute_avail): Add all default definitions to
567 2009-03-28 Jan Hubicka <jh@suse.cz>
569 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
570 test introduced by my previous patch.
572 2009-03-28 Richard Guenther <rguenther@suse.de>
574 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
575 the PHIs value undefined.
577 2009-03-28 Jan Hubicka <jh@suse.cz>
579 * tree-pass.h (pass_fixup_cfg): New pass.
580 * ipa-inline.c (inline_transform): Set
581 always_inline_functions_inlined/after_inlining.
582 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
583 (pass_fixup_cfg): New pass.
584 * passes.c (init_optimization_passes): Add fixup_cfg.
586 2009-03-28 Richard Guenther <rguenther@suse.de>
588 PR tree-optimization/38458
589 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
590 argument use the arguments copy-of value.
592 2009-03-28 Richard Guenther <rguenther@suse.de>
594 PR tree-optimization/38180
595 * tree-ssa-ccp.c (get_default_value): Simplify.
596 (likely_value): Likewise.
597 (surely_varying_stmt_p): Properly handle VOP case.
598 (ccp_initialize): Likewise.
599 (ccp_fold): Handle propagating through *&.
600 (fold_const_aggregate_ref): Also handle decls.
602 2009-03-28 Jan Hubicka <jh@suse.cz>
604 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
605 * cgraph.h (cgraph_node): Likewise.
606 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
607 (cgraph_reset_node): Use process flag.
608 (cgraph_mark_functions_to_output): Likewise.
609 (cgraph_expand_function): Likewise.
610 (cgraph_expand_all_functions): Likewise.
611 (cgraph_output_in_order): Likewise.
612 * dwarf2out.c (reference_to_unused): Likewise.
613 * passes.c do_per_function_toporder): Likewise.
615 2009-03-28 Jan Hubicka <jh@suse.cz>
617 Bring from lto-branch:
619 2008-09-03 Doug Kwan <dougkwan@google.com>
621 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
622 enums instead of reason strings.
623 * cgraph.c (cgraph_create_edge): Same.
624 (cgraph_inline_failed_string): New function.
625 * cgraph.h (cgraph_inline_failed_t): New enum type.
626 (cgraph_inline_failed_string): New prototype.
627 (struct cgraph_edge): Change type of INLINED_FAILED from constant
628 char pointer to cgraph_inline_failed_t.
629 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
630 (cgraph_default_inline_p): Ditto.
631 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
632 to cgraph_inline_failed_t pointer.
633 * cif-code.def: New file.
634 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
636 (cgraph_check_inline_limits): Change type of REASON to pointer to
637 cgraph_inline_failed_t. Replace reason strings with enums.
638 (cgraph_default_inline_p): Ditto.
639 (cgraph_recursive_inlining_p): Ditto.
640 (update_caller_keys): Change type of FAILED_REASON to
641 cgraph_inline_failed_t.
642 (cgraph_set_inline_failed): Change type of REASON to pointer to
643 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
644 convert enums to strings for text output.
645 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
646 to be of type cgraph_inline_failed_t. Replace reason strings with
647 enums. Call cgraph_inline_failed_string to covert enums
648 to strings for text output.
649 (cgraph_decide_inlining): Replace reason strings with enums.
650 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
651 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
653 * tree-inline.c (expand_call_inline): Change type of REASON
654 to cgraph_inline_failed_t. Replace reason strings with enums.
655 Call cgraph_inline_failed_string for text output.
656 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
659 2009-03-28 Jan Hubicka <jh@suse.cz>
661 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
662 cgraph_clone_node): Remove master clone handling.
663 (cgraph_is_master_clone, cgraph_master_clone): Remove.
664 * cgraph.h (master_clone): Remove.
665 (cgraph_is_master_clone, cgraph_master_clone): Remove.
666 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
667 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
669 2009-03-28 Jan Hubicka <jh@suse.cz>
671 * cgraph.c (cgraph_function_body_availability): Functions declared
672 inline are always safe to assume that it is not going to be replaced.
674 2009-03-28 Richard Guenther <rguenther@suse.de>
676 PR tree-optimization/38513
677 * tree-ssa-pre.c (eliminate): Remove redundant stores.
678 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
679 EXC_PTR_EXPR and FILTER_EXPR.
680 (get_ref_from_reference_ops): Likewise.
682 2009-03-28 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/38968
685 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
686 Use FLOOR_MOD_EXPR to compute misalignment.
688 2009-03-28 Richard Guenther <rguenther@suse.de>
690 PR tree-optimization/37795
691 * tree.h (combine_comparisons): Declare.
692 * fold-const.c (combine_comparisons): Export.
693 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
695 (ifcombine_iforif): Use combine_comparisons.
697 2009-03-28 Jan Hubicka <jh@suse.cz>
699 * tree-eh.c (inlinable_call_p): New function.
700 (make_eh_edges): Use it.
701 (verify_eh_edges): Use it.
702 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
703 * except.c (reachable_next_level): Add inlinable_function argument
704 (sjlj_find_directly_reachable_regions): Update.
705 (add_reachable_handler): Do not set saw_any_handlers.
706 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
707 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
708 Add new inlinable call parameter.
709 (can_throw_internal, can_throw_external): Update.
710 * except.h (can_throw_internal_1, can_throw_external_1,
711 foreach_reachable_handler): Update declaration.
713 2009-03-28 Joseph Myers <joseph@codesourcery.com>
715 * config/arm/t-arm-coff, config/h8300/coff.h,
716 config/i386/i386-aout.h, config/i386/i386-coff.h,
717 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
718 config/pdp11/2bsd.h, config/rs6000/aix41.h,
719 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
720 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
721 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
723 * Makefile.in: Remove protoize and fixproto support and references
725 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
726 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
728 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
729 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
731 (rest.encap): Don't depend on $(STMP_FIXPROTO)
732 (.PHONY): Don't depend on proto.
733 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
734 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
735 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
736 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
737 build/gen-protos.o, build/scan.o, xsys-protos.h,
738 build/fix-header$(build_exeext), build/fix-header.o,
739 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
740 stmp-install-fixproto): Remove.
741 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
742 SYSCALLS.c or fixproto files.
743 (install-common): Don't install protoize.
744 (install-headers-tar, install-headers-cpio, install-headers-cp):
745 Don't depend on $(STMP_FIXPROTO).
746 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
747 install fixproto files or write out fixproto settings.
748 (uninstall): Don't uninstall protoize.
749 * config.gcc (use_fixproto): Remove.
750 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
751 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
752 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
753 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
754 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
755 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
756 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
757 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
758 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
759 * config/t-vxworks (STMP_FIXPROTO): Remove.
760 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
761 STMP_FIXPROTO): Remove.
762 * config.in, configure: Regenerate.
763 * crtstuff.c (gid_t, uid_t): Don't undefine.
764 * doc/install.texi: Change m68k-coff to m68k-elf in example.
765 (arm-*-coff, arm-*-aout: Remove target entries.
766 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
767 Remove mention of AIX 4.1.
768 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
769 * doc/invoke.texi (Running Protoize): Remove.
770 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
771 (Protoize Caveats): Remove.
772 * tsystem.h: Update comments on headers assumed to exist.
774 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
776 * genautomata.c: Add a new year to the copyright. Add a new
778 (struct insn_reserv_decl): Add comments for member bypass_list.
779 (find_bypass): Remove.
780 (insert_bypass): New.
781 (process_decls): Use insert_bypass.
782 (output_internal_insn_latency_func): Output all bypasses with the
783 same input insn in one switch case.
785 * rtl.def (define_bypass): Describe bypass choice.
786 * doc/md.texi (define_bypass): Ditto.
788 2009-03-27 Richard Guenther <rguenther@suse.de>
790 * gimplify.c (mark_addressable): Export.
791 * tree-flow.h (mark_addressable): Declare.
792 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
793 * tree-ssa.c (verify_phi_args): Verify that address taken
794 variables have TREE_ADDRESSABLE set.
796 2009-03-27 Richard Guenther <rguenther@suse.de>
798 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
799 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
800 Do not mark decls TREE_ADDRESSABLE.
801 (build_fold_addr_expr): Adjust.
802 (fold_addr_expr): Remove.
803 (fold_unary): Use build_fold_addr_expr.
804 (fold_comparison): Likewise.
805 (split_address_to_core_and_offset): Likewise.
806 * coverage.c (tree_coverage_counter_addr): Mark the array decl
808 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
809 (gimplify_modify_expr_to_memcpy): Mark source and destination
811 * omp-low.c (create_omp_child_function): Mark the object decl
813 (lower_rec_input_clauses): Mark the var we take the address of
815 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
817 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
820 * cfgexpand.c (expand_one_stack_var_at): Change alignment
821 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
823 2009-03-27 Richard Guenther <rguenther@suse.de>
825 PR tree-optimization/39120
826 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
828 (handle_lhs_call): Process return constraints. Add escape
829 constraints if necessary.
830 (handle_const_call): Fill out return constraints. Make nested
831 case more precise. Avoid consttmp if possible.
832 (handle_pure_call): Fill out return constraints. Avoid
833 callused if possible.
834 (find_func_aliases): Simplify call handling.
836 2009-03-27 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/39120
839 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
841 (solve_graph): Do propagate CALLUSED.
842 (handle_pure_call): Use a scalar constraint from CALLUSED for
844 (find_what_p_points_to): CALLUSED shall not appear in poins-to
847 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
850 * c-common.c (handle_aligned_attribute): Properly check alignment
851 overflow. Use (1U << i) instead of (1 << i).
853 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
855 * expr.h (get_mem_align_offset): Updated.
857 * tree.h (tree_decl_common): Change align to "unsigned int" and
858 move it before pointer_alias_set.
860 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
861 Jakub Jelinek <jakub@redhat.com>
864 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
865 gr_register_operand with gr_reg_or_0_operand.
866 (cmpxchg_rel_di): Likewise.
867 (sync_lock_test_and_set<mode>): Likewise.
869 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
871 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
872 (true_regnum): Likewise.
874 * rtlanal.c (subreg_info): Moved to ...
875 * rtl.h (subreg_info): Here. New.
876 (subreg_get_info): New.
878 * rtlanal.c (subreg_get_info): Make it extern.
880 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
883 * config/i386/i386.c (ix86_abi): New.
884 (override_options): Handle -mabi=.
885 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
886 (ix86_call_abi_override): Likewise.
887 (init_cumulative_args): Likewise.
888 (function_arg_advance): Likewise.
889 (function_arg_64): Likewise.
890 (function_arg): Likewise.
891 (ix86_pass_by_reference): Likewise.
892 (ix86_function_value_regno_p): Likewise.
893 (ix86_build_builtin_va_list_abi): Likewise.
894 (setup_incoming_varargs_64): Likewise.
895 (is_va_list_char_pointer): Likewise.
896 (ix86_init_machine_status): Likewise.
897 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
898 (ix86_function_type_abi): Return enum calling_abi. Rewrite
899 for 64bit. Replace DEFAULT_ABI with ix86_abi.
900 (ix86_function_abi): Make it static and return enum calling_abi.
901 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
903 (ix86_fn_abi_va_list): Updated.
905 * config/i386/i386.h (ix86_abi): New.
906 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
907 (CONDITIONAL_REGISTER_USAGE): Likewise.
908 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
909 (machine_function): Likewise.
911 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
913 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
914 (STACK_BOUNDARY): Likewise.
915 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
917 * config/i386/i386.opt (mabi=): New.
919 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
920 return enum calling_abi.
921 (ix86_function_type_abi): Likewise.
922 (ix86_function_abi): Removed.
924 * doc/invoke.texi: Document -mabi= option for x86.
926 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
928 * builtins.c (real_dconstp): Delete.
929 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
931 2009-03-27 Dodji Seketeli <dodji@redhat.com>
932 Jakub Jelinek <jakub@redhat.com>
935 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
936 (gen_subprogram_die): When a function is explicit, generate the
937 DW_AT_explicit attribute.
938 * langhooks.h (struct lang_hooks_for_decls): Add
939 function_decl_explicit_p langhook.
940 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
941 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
943 2009-03-27 Jakub Jelinek <jakub@redhat.com>
945 * builtins.c (fold_builtin_memory_op): Optimize memmove
946 into memcpy if we can prove source and destination don't overlap.
948 * tree-inline.c: Include gt-tree-inline.h.
949 (clone_fn_id_num): New variable.
950 (clone_function_name): New function.
951 (tree_function_versioning): Use it.
952 * Makefile.in (GTFILES): Add tree-inline.c.
954 2009-03-27 Mark Mitchell <mark@codesourcery.com>
956 * BASE-VER: Change to 4.5.0.
958 2009-03-27 Xinliang David Li <davidxl@google.com>
960 PR tree-optimization/39557
961 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
963 2009-03-27 Xinliang David Li <davidxl@google.com>
965 PR tree-optimization/39548
966 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
969 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
971 * c-common.c (pointer_int_sum): Use %wd on return from
974 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
976 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
977 on return from tree_low_cst.
979 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
982 * ginclude/stdarg.h (va_copy): Define also for
983 __GXX_EXPERIMENTAL_CXX0X__.
985 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
988 * builtins.h (c_strlen): Do not warn here.
989 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
990 * c-common.c (pointer_int_sum): Take an explicit location.
991 Warn about offsets out of bounds.
992 * c-common.h (pointer_int_sum): Adjust declaration.
994 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
996 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
999 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1002 * opts.c (warn_if_disallowed_function_p): Don't assume
1003 get_callee_fndecl must return non-NULL.
1005 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1007 PR rtl-optimization/39522
1008 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1009 when reg_reloaded_valid is set.
1011 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1013 * config/spu/divv2df3.c: New file.
1014 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1015 (DPBIT_FUNCS): Filter out _div_df.
1017 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1019 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1020 a jump insn, count that jump in the distance to the loop start.
1022 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1025 * config/sh/sh.c (calc_live_regs): Fix condition for global
1026 registers except PIC_OFFSET_TABLE_REGNUM.
1028 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1031 * doc/invoke.texi (-mconsole): New.
1035 (-mnop-fun-dllimport): New.
1039 (sub section "i386 and x86-64 Windows Options"): New.
1041 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1043 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1044 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1046 2009-03-25 Richard Guenther <rguenther@suse.de>
1049 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1052 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1054 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1055 neither of haifa/selective schedulers are working.
1057 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1059 * doc/invoke.texi (Debugging Options): Fix description of
1060 -fno-merge-debug-strings.
1062 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1064 * config/cris/libgcc.ver: New version-script.
1065 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1067 * configure.ac <GAS features, nop mnemonic>: Add pattern
1068 crisv32-*-* for "nop".
1069 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1070 * configure: Regenerate.
1072 2009-03-24 Ira Rosen <irar@il.ibm.com>
1074 PR tree-optimization/39529
1075 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1076 mark_sym_for_renaming for the tag copied to the new vector
1079 2009-03-24 Arthur Loiret <aloiret@debian.org>
1081 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1082 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1083 EXTRA_SPEC_FUNCTIONS.
1084 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1085 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1086 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1087 -march and -mtune options.
1089 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1091 * config/m68k/t-rtems: Add m5329 multilib.
1093 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1094 Jakub Jelinek <jakub@redhat.com>
1097 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1100 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1103 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1104 instead of c_parser_expression_conv, if original_code isn't one of the
1105 4 allowed comparison codes, fail.
1107 2009-03-23 Richard Guenther <rguenther@suse.de>
1109 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1110 * tree.h (struct tree_type): Likewise.
1111 * reload.h (struct insn_chain): Likewise.
1112 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1113 * function.h (struct function): Likewise.
1114 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1116 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1118 PR tree-optimization/39516
1119 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1121 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1123 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1124 should be set true if BITS_PER_WORD of target is bigger than 32
1126 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1128 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1129 Translate -B-options to -rpath-link. Correct existing
1130 rpath-link and conditionalize on !nostdlib.
1132 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1134 * doc/extend.texi (Function Attributes, Variable Attributes):
1136 * doc/invoke.texi (Debugging Options, Optimize Options)
1137 (i386 and x86-64 Options, MCore Options): Likewise.
1139 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1142 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1143 it for block local namespace aliases.
1144 (gen_decl_die): Pass context_die to gen_namespace_die.
1146 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1149 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1150 minimum or maximum value.
1152 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1154 * reginfo.c (globalize_reg): Recompute derived reg sets.
1156 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1159 * libgcc2.c (mprotect): Do not use signed arguments for
1160 VirtualProtect, use DWORD arguments. Also fix the 'may
1161 be used uninitialized' warning for the np variable.
1163 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1166 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1167 functions using regparm calling conventions when not optimizing.
1168 (ix86_function_sseregparm): Similarly for sseregparm calling
1171 2009-03-19 Li Feng <nemokingdom@gmail.com>
1174 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1175 dependence if the first conflict is after niter iterations.
1177 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1180 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1181 functions with dynamic stack-pointer adjustments.
1183 2009-03-19 Ben Elliston <bje@au.ibm.com>
1185 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1186 option; change to -msdata=data.
1188 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1190 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1193 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1196 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1198 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1200 * doc/invoke.texi (Code Gen Options): Expand discussion of
1203 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1205 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1206 * matrix-reorg.c (struct matrix_info): Likewise.
1207 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1208 * rtl.h (struct mem_attrs): Likewise.
1209 * df.h (struct df): Likewise.
1210 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1211 * ira-int.h (struct ira_allocno): Likewise.
1212 * df-scan.c (struct df_collection_rec): Likewise.
1213 * ira.c (struct equivalence): Likewise.
1214 * function.c (struct temp_slot): Likewise.
1215 * cfgloop.h (struct loop): Likewise.
1218 * function.c (use_register_for_decl): When not optimizing, disregard
1219 register keyword for variables with types containing methods.
1221 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1224 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1225 (is_simple_operand): Call contains_component_ref_p before calling data
1226 reference analysis that would fail on COMPONENT_REFs.
1228 * tree-vrp.c (search_for_addr_array): Fix formatting.
1230 2009-03-18 Richard Guenther <rguenther@suse.de>
1232 * tree-vect-transform.c (vect_loop_versioning): Fold the
1233 generated comparisons.
1234 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1235 (slpeel_tree_peel_loop_to_edge): Likewise.
1237 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1240 * opts.c (print_specific_help): In addition to `undocumented',
1241 accept `separate' and `joined' flags if passed alone. Describe
1242 output by the first matched one of those.
1243 (common_handle_option): Skip over empty strings.
1244 * gcc.c (display_help): Fix help string for `--help='.
1245 * doc/invoke.texi (Option Summary, Overall Options): With
1246 `--help=', classes and qualifiers can both be repeated, but
1247 only the latter can be negated. One should not pass only
1248 negated qualifiers. Fix markup and examples.
1251 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1253 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1254 and -fhelp=separate.
1256 2009-03-17 Jing Yu <jingyu@google.com>
1259 * function.h (struct rtl_data): Move is_thunk from here...
1260 (struct function): ...to here.
1261 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1262 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1264 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1266 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1267 (alpha_output_function_end_prologue): Likewise.
1268 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1269 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1270 (rs6000_output_function_epilogue): Likewise.
1271 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1273 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1276 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1277 from different units in a single alternative.
1278 (*truncdfsf_i387): Ditto.
1279 (*truncxfsf2_mixed): Ditto.
1280 (*truncxfdf2_mixed): Ditto.
1282 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1284 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1285 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1288 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1289 unused non-artificial variables when not optimizing.
1292 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1293 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1294 NAMESPACE_DECL in its DECL_INITIAL.
1297 * optabs.c (set_user_assembler_libfunc): New function.
1298 * expr.h (set_user_assembler_libfunc): New prototype.
1299 * c-common.c: Include libfuncs.h.
1300 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1301 for memcmp, memset, memcpy, memmove and abort.
1302 * Makefile.in (c-common.o): Depend on libfuncs.h.
1305 * dwarf2out.c (gen_inlined_enumeration_type_die,
1306 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1307 gen_tagged_type_instantiation_die): Removed.
1308 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1311 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1314 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1316 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1317 (check-parallel-%): Ditto.
1318 (check-consistency): Ditto.
1320 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1322 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1323 local variable rhs by NULL_TREE.
1325 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1328 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1330 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1333 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1335 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1338 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1339 for ms->sysv ABI calls only in 64bit mode.
1341 * config/i386/i386.md (untyped_call): Support 32bit.
1343 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1345 * doc/extend.texi: Replace x86_65 with x86_64.
1347 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1349 PR tree-optimization/39455
1350 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1351 mismatches for POINTER_TYPE_P (type).
1352 (number_of_iterations_le): Likewise.
1354 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1356 * config/picochip/picochip.c: Removed profiling support.
1357 * config/picochip/picochip.md: Removed profiling instruction.
1358 * config/picochip/picochip.h: Removed profiling builtin.
1360 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1362 * doc/install.texi (--with-host-libstdcxx): Document.
1364 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1367 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1368 generate a warning if the function name does not begin with
1369 "__vector" and the function has either the 'signal' or 'interrupt'
1370 attribute, from here to ...
1371 (avr_declare_function_name): ...here. New function.
1372 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1373 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1375 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1378 * cse.c (fold_rtx): Don't modify original const_arg1 when
1379 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1380 separate variable instead.
1381 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1382 from out of range shift counts.
1383 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1385 2008-03-13 Catherine Moore <clm@codesourcery.com>
1387 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1388 diagnostic.h with $(DIAGNOSTIC_H).
1390 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1393 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1395 * config/i386/sync.md (sync_compare_and_swap<mode>,
1396 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1397 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1399 (sync_double_compare_and_swapdi_pic,
1400 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1401 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1403 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1406 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1408 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1411 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1412 (avx_addsubv4df3): Likewise.
1413 (*avx_addsubv4sf3): Likewise.
1414 (sse3_addsubv4sf3): Likewise.
1416 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1419 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1421 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1424 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1425 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1426 registers for allocnos created from user-defined variables.
1428 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1431 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1432 of non-integer mode as well.
1434 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1436 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1437 for functions for which the parameter types are unknown.
1439 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1442 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1443 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1444 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1445 * config/i386/i386.c (ix86_local_alignment): For
1446 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1447 long long variables on the stack to avoid dynamic realignment.
1448 Allow the first argument to be a decl rather than type.
1449 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1451 2009-03-11 Nick Clifton <nickc@redhat.com>
1454 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1456 Add description to mno-lsim option.
1457 * config/mcore/mcore.h: Remove comment about deprecated m4align
1459 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1460 * doc/invoke.texi: Add description of mno-lsim and
1461 mstack-increment options.
1463 * config/fr30/fr30.opt: Document the -mno-lsim option.
1464 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1465 and -mno-lsim options.
1467 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1469 * fold-const.c (fold_comparison): Only call fold_inf_compare
1470 if the mode supports infinities.
1472 2009-03-11 Jason Merrill <jason@redhat.com>
1475 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1476 end already did. Notice GIMPLE_CALL modifications of the result.
1477 Don't copy debug information from an ignored decl or a decl from
1480 2009-03-10 Richard Guenther <rguenther@suse.de>
1481 Nathan Froyd <froydnj@codesourcery.com>
1484 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1485 (__divMODE3): Likewise.
1487 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1489 PR tree-optimization/39394
1490 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1491 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1493 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1495 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1496 inline asms for register asm ("") declarations.
1498 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1500 * fold-const.c (fold_unary): Fix comment.
1502 2009-03-07 Jan Hubicka <jh@suse.cz>
1505 * tree-inline.c (setup_one_parameter): Do replacement of const
1506 argument by constant in SSA form.
1508 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1511 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1512 determine alignment passed to assign_stack_local.
1513 (assign_parms_unsplit_complex): Likewise.
1514 * except.c (sjlj_build_landing_pads): Likewise.
1516 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1519 * tree-flow.h (add_referenced_var): Return bool instead of void.
1520 * tree-dfa.c (add_referenced_var): Return result of
1521 referenced_var_check_and_insert call.
1522 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1523 of referenced_var_check_and_insert.
1526 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1527 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1528 DIE, don't emit it if abstract origin already has it.
1529 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1530 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1532 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1534 * genpreds.c (needs_variable): Fix parentheses at variable name
1536 (write_tm_constrs_h): Indent generated code.
1538 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1540 * doc/extend.texi (Function Attributes): Add documentation
1543 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1546 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1547 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1549 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1551 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1554 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1557 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1558 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1560 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1562 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1563 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1564 constants instead of magic numbers.
1565 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1567 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1568 (x86_64_ms_abi_int_parameter_registers): Ditto.
1569 (x86_64_int_return_registers): Ditto.
1570 (ix86_maybe_switch_abi): Ditto.
1571 (ix86_expand_call): Ditto for clobbered_registers array.
1572 (ix86_hard_regno_mode_ok): Ditto.
1573 (x86_extended_QIreg_mentioned_p): Ditto.
1575 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1577 PR tree-optimization/39349
1578 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1580 * combine.c (gen_lowpart_for_combine): Use omode when generating
1583 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1585 PR rtl-optimization/39235
1586 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1588 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1590 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1592 2009-03-04 Richard Guenther <rguenther@suse.de>
1594 PR tree-optimization/39362
1595 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1596 that occur in abnormal PHIs should be varying.
1598 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1600 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1602 (simple_iv): Take loop as an argument instead of statement.
1603 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1604 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1606 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1608 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1609 * matrix-reorg.c (analyze_transpose): Ditto.
1610 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1611 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1612 * tree-predcom.c (ref_at_iteration): Ditto.
1613 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1615 2009-03-04 Richard Guenther <rguenther@suse.de>
1617 PR tree-optimization/39358
1618 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1619 escaped_id and callused_id.
1620 (solve_graph): Likewise.
1622 2009-03-04 Richard Guenther <rguenther@suse.de>
1624 PR tree-optimization/39339
1625 * tree-sra.c (try_instantiate_multiple_fields): Make it
1626 no longer ICE on the above.
1628 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1630 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1631 that fits within Pmode.
1633 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1636 * tm.texi (LIBCALL_VALUE): Update description.
1638 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1641 * doc/extend.texi (section): Update description.
1643 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1646 * tree-inline.c (remapped_type): New.
1647 (can_be_nonlocal): Call remapped_type instead of remap_type.
1649 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1652 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1653 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1655 2009-03-03 Richard Guenther <rguenther@suse.de>
1658 * tree.c (tree_nonartificial_location): New function.
1659 * tree.h (tree_nonartificial_location): Declare.
1660 * builtins.c (expand_builtin_memory_chk): Provide location
1661 of the call location for artificial function pieces.
1662 (maybe_emit_chk_warning): Likewise.
1663 (maybe_emit_sprintf_chk_warning): Likewise.
1664 (maybe_emit_free_warning): Likewise.
1665 * expr.c (expand_expr_real_1): Likewise.
1667 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1669 PR tree-optimization/39343
1670 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1671 COMPONENT_REF t has ARRAY_TYPE.
1673 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1676 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1677 when the type precision of the induction variable should be
1678 larger than the type precision of nit.
1679 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1680 * graphite.c (graphite_loop_normal_form): Same.
1681 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1683 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1685 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1686 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1687 numbers to describe clobbered registers.
1688 (*call_value_0_rex64_ms_sysv): Ditto.
1689 * config/i386/mmx.md (mmx_emms): Ditto.
1692 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1694 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1697 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1699 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1700 (spu_section_type_flags): New function.
1702 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1704 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1705 reg_class_contents of FLOAT_REGS into a temporary.
1707 2009-03-02 Richard Guenther <rguenther@suse.de>
1708 Ira Rosen <irar@il.ibm.com>
1710 PR tree-optimization/39318
1711 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1712 information to the vectorized statement.
1714 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1716 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1717 variable. Use defined names instead of magic constants for REX SSE
1720 2009-03-01 Richard Guenther <rguenther@suse.de>
1722 PR tree-optimization/39331
1723 * omp-low.c (lower_send_shared_vars): Do not receive new
1724 values for the reference of DECL_BY_REFERENCE parms or results.
1726 2009-03-01 Jan Hubicka <jh@suse.cz>
1729 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1730 BLOCK_NONLOCALIZED_VAR): New macros.
1731 (tree_block): Add nonlocalized_vars.
1732 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1733 gen_decl_die): Add origin argument. Allow generation of die with
1734 origin at hand only.
1735 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1736 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1738 (gen_block_die): Fix checking for unused blocks.
1739 (process_scope_var): Break out from .... ; work with origins only.
1740 (decls_for_scope) ... here; process nonlocalized list.
1741 (dwarf2out_ignore_block): Look for nonlocalized vars.
1742 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1744 (dump_scope_block): Dump them.
1745 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1746 (remap_block): Likewise.
1747 (can_be_nonlocal): New predicate.
1748 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1750 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1752 * configure: Regenerate.
1754 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1756 * optc-gen.awk: No need to duplicate option flags twice.
1757 Reuse help texts for duplicate options which do not have any.
1759 * gcc.c (display_help): Document --version.
1761 * gcc.c (main): If print_help_list and verbose_flag, ensure
1762 driver output comes before subprocess output.
1764 * optc-gen.awk: Assign all remaining fields to help string,
1765 space-separated, for multi-line help in *.opt.
1767 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1768 -Wno-pedantic-ms-format is for MinGW targets only.
1770 * doc/options.texi (Option file format): Fix bad indentation,
1771 restoring dropped sentence.
1773 2009-02-28 Jan Hubicka <jh@suse.cz>
1775 * tree-inline.c (tree_function_versioning): Output debug info.
1777 2009-02-28 Jan Hubicka <jh@suse.cz>
1780 * tree-inline.c (setup_one_parameter): Do not copy propagate
1781 arguments when not optimizing.
1783 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1786 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1787 (avx_addsubv4df3): Likewise.
1788 (*avx_addsubv4sf3): Likewise.
1789 (sse3_addsubv4sf3): Likewise.
1790 (*avx_addsubv2df3): Likewise.
1791 (sse3_addsubv2df3): Likewise.
1792 (avx_unpckhps256): Correct item selectors.
1793 (avx_unpcklps256): Likewise.
1794 (avx_unpckhpd256): Likewise.
1795 (avx_unpcklpd256): Likewise.
1797 2009-02-28 Jan Hubicka <jh@suse.cz>
1799 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1801 (copy_arguments_for_versioning): If var is declared don't declare it.
1802 (tree_function_versioning): First setup substitutions and then copy
1805 2009-02-27 Jan Hubicka <jh@suse.cz>
1808 * cgraph.h (varpool_output_debug_info): Remove.
1809 * cgraphunit.c (varpool_output_debug_info): Remove.
1810 * dwarf2out.c (deferred_locations_struct): New struct
1811 (deferred_locations): New type.
1812 (deferred_locations_list): New static var.
1813 (deffer_location): New function.
1814 (gen_variable_die): Use it.
1815 (decls_for_scope): Output info on local static vars.
1816 (dwarf2out_finish): Process deferred locations.
1817 * varpool.c (varpool_output_debug_info): Remove.
1819 2009-02-27 Jan Hubicka <jh@suse.cz>
1822 * tree.h (TREE_PROTECTED): Fix comment.
1823 (BLOCK_HANDLER_BLOCK): Remove.
1824 (struct tree_block): Remove handler_block add body_block.
1825 (inlined_function_outer_scope_p): New.
1826 (is_body_block): Remove.
1827 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1828 * dwarf2out.c (is_inlined_entry_point): Remove.
1829 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1830 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1832 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1833 * gimplify.c (gimplify_expr): Gimplify body blocks.
1834 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1835 block with multiple subblocks.
1836 (dump_scope_block): Prettier output; dump more flags and info.
1837 (dump_scope_blocks): New.
1838 (remove_unused_locals): Use dump_scope_blocks.
1839 * tree-flow.h (dump_scope_blocks): Declare.
1840 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1841 * stmt.c (is_body_block): Remove.
1842 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1843 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1845 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1848 * graphite.c (graphite_loop_normal_form): Do not call
1849 number_of_iterations_exit from a gcc_assert.
1851 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1853 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
1854 jumps if COND is NULL.
1855 (find_cond_jump): New function.
1856 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1857 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1859 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1861 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1862 force_const_mem returns NULL_RTX.
1864 2009-02-26 Jan Hubicka <jh@suse.cz>
1867 * cgraph.h (varpool_output_debug_info): Remove.
1868 * cgraphunit.c (varpool_output_debug_info): Remove.
1869 * dwarf2out.c (deferred_locations_struct): New struct
1870 (deferred_locations): New type.
1871 (deferred_locations_list): New static var.
1872 (deffer_location): New function.
1873 (gen_variable_die): Use it.
1874 (decls_for_scope): Output info on local static vars.
1875 (dwarf2out_finish): Process deferred locations.
1876 * varpool.c (varpool_output_debug_info): Remove.
1878 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1880 PR rtl-optimization/39241
1881 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1882 to subreg_offset_representable_p.
1884 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1886 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1887 execute function prototype. Get f and nregs from max_reg_num
1888 and get_insns. Remove the first backward pass as it's dead,
1889 guard the forward pass by flag_expensive_optimizations.
1890 (rest_of_handle_regmove): Delete.
1891 (pass_regmove): Replace it with regmove_optimize.
1893 2009-02-25 Martin Jambor <mjambor@suse.cz>
1895 PR tree-optimization/39259
1896 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1897 calls_alloca function flags.
1898 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1901 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1903 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1904 flags_set_1_rtx, flags_set_1_set): Delete.
1905 (regmove_optimize): Do not call mark_flags_life_zones.
1907 2009-02-24 Julian Brown <julian@codesourcery.com>
1910 * config/arm/arm.c (require_pic_register): Only set
1911 cfun->machine->pic_reg once per function.
1913 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1915 * doc/invoke.texi (Link Options): Document an easier way to pass
1916 options that take arguments to the GNU linker using -Xlinker and -Wl.
1918 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1921 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1923 2009-02-24 Richard Guenther <rguenther@suse.de>
1926 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1928 2009-02-24 Richard Guenther <rguenther@suse.de>
1929 Zdenek Dvorak <ook@ucw.cz>
1931 PR tree-optimization/39233
1932 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1933 from converting them to a generic type.
1935 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1937 PR tree-optimization/39260
1938 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1939 contains a condition with a real type.
1940 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1942 2009-02-23 Jason Merrill <jason@redhat.com>
1945 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1946 narrowing_initializer_constant_valid_p.
1947 (narrowing_initializer_constant_valid_p): Don't return
1948 null_pointer_node for adding a pointer to itself.
1950 2009-02-23 Jan Hubicka <jh@suse.cz>
1953 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1956 2009-02-23 Jan Hubicka <jh@suse.cz>
1958 PR tree-optimization/37709
1959 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1960 * tree.h (block_ultimate_origin): Declare.
1961 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1962 * tree-ssa-live.c (remove_unused_scope_block_p):
1963 Eliminate blocks containig no instructions nor live variables nor
1965 (dump_scope_block): New function.
1966 (remove_unused_locals): Enable removal of dead blocks by default;
1967 enable dumping at TDF_DETAILS.
1969 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1971 * config/i386/i386.c (classify_argument): Don't allow COImode
1973 (function_arg_advance_32): Don't allow OImode.
1974 (function_arg_32): Likewise.
1975 (function_value_32): Likewise.
1976 (return_in_memory_32): Likewise.
1977 (function_arg_64): Remove OImode comment.
1979 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1982 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1983 ix86_expand_vector_set for V4DImode in 64bit mode only.
1984 (ix86_expand_vector_init_one_var): Likewise.
1986 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1988 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1990 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1993 * loop-iv.c: Revert last change.
1994 * emit-rtl.c: Likewise.
1996 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1999 * config/i386/i386.c (type_natural_mode): Remove an extra
2000 space in the warning message.
2001 (function_value_32): Handle 32-byte vector modes.
2002 (return_in_memory_32): Likewise.
2004 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2006 * loop-iv.c (truncate_value): New function.
2007 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2009 (lowpart_subreg): Move to...
2010 * emit-rtl.c: ...here.
2012 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2014 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2015 accidental and undocumented change at revision 140860.
2017 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2019 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2020 take gimple_seq * arguments.
2021 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2022 types_compatible_p langhook.
2024 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2025 Joseph Myers <joseph@codesourcery.com>
2027 * config/arm/arm.c (arm_builtin_va_list): New function.
2028 (arm_expand_builtin_va_start): Likewise.
2029 (arm_gimplify_va_arg_expr): Likewise.
2030 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2031 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2032 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2033 (va_list_type): New variable.
2034 (arm_mangle_type): Mangle va_list_type appropriately.
2036 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2039 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2040 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2041 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2042 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2043 parameter to 1000 for -O1 by default.
2044 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2046 * loop-invariant.c: Include params.h.
2047 (move_loop_invariants): Don't call move_single_loop_invariants on
2050 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2052 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2053 offset when calculating bounds for indexing stack_usage_map. Fixes
2054 a buffer overflow with certain target setups.
2056 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2059 * calls.c (expand_call): Clear try_tail_call if caller and callee
2060 disagree in promotion of function return value.
2062 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2065 * c-common.c (c_determine_visibility): If visibility changed and
2066 DECL_RTL has been already set, call make_decl_rtl to update symbol
2069 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2072 * varasm.c (assemble_variable): Don't check DECL_NAME when
2073 globalizing a variable.
2075 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2078 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2079 expression before any __builtin_trap call.
2080 * c-typeck.c (build_function_call): Convert and check function
2081 arguments before generating a call to a trap. Evaluate the
2082 function arguments before the trap.
2084 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2087 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2088 (UNSPEC_FXAM_MEM): New unspec.
2089 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2090 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2091 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2093 2009-02-19 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/39207
2096 PR tree-optimization/39074
2097 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2098 storedanything_tree): New.
2099 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2100 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2101 (build_succ_graph): Add edges from STOREDANYTHING to all
2103 (init_base_vars): Initialize STOREDANYTHING.
2104 (compute_points_to_sets): Free substitution info after
2105 building the succ graph.
2106 (ipa_pta_execute): Likewise.
2108 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2110 (do_ds_constraint): Do not add to special var or non-pointer
2112 (type_could_have_pointers): Split out from ...
2113 (could_have_pointers): ... here. For arrays use the element type.
2114 (create_variable_info_for): Initialize may_have_pointers.
2115 (new_var_info): Likewise.
2116 (handle_lhs_call): Make the HEAP variable unknown-sized.
2117 (intra_create_variable_infos): Use a type with pointers for
2118 PARM_NOALIAS, make it unknown-sized.
2120 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2123 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2125 2009-02-18 Jason Merrill <jason@redhat.com>
2128 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2129 value if DECL_EXTERNAL.
2130 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2131 * target.h (gcc_target::binds_local_p): Clarify "module".
2132 * tree.h (TREE_PUBLIC): Clarify "module".
2134 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2137 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2138 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2140 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2143 * c.opt (Wabi): Support C and ObjC.
2146 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2148 * config/i386/i386.c (classify_argument): Warn once about the ABI
2149 change when passing union with long double.
2151 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2153 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2156 * c-parser.c (c_parser_compound_statement): Always enter and leave
2159 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2162 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2164 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2166 PR tree-optimization/36922
2167 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2168 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2171 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2173 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2176 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2178 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2180 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2182 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2185 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2186 Richard Sandiford <rdsandiford@googlemail.com>
2188 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2189 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2190 (loongson_biadd): ...this.
2192 2009-02-17 Richard Guenther <rguenther@suse.de>
2194 PR tree-optimization/39202
2195 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2196 a var make sure to follow existing collapses.
2198 2009-02-17 Richard Guenther <rguenther@suse.de>
2201 * langhooks.c (lhd_print_error_function): Check for NULL block.
2203 2009-02-17 Richard Guenther <rguenther@suse.de>
2205 PR tree-optimization/39204
2206 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2209 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2211 * config/soft-fp/double.h: Update from glibc CVS.
2213 2009-02-17 Richard Guenther <rguenther@suse.de>
2215 PR tree-optimization/39207
2216 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2217 strict-aliasing warnings for pointers pointing to NULL.
2219 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2222 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2223 skipping until next close brace.
2225 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2228 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2229 to function argument boundary.
2231 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2233 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2234 in the lea_add. Reload eventually constraints it properly.
2235 * config/picochip/constraints.md : Remove the target constraint
2236 "b", since it is not needed anymore.
2238 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2240 * gthr-dce.h: Uglify function parameter and local variable names.
2241 * gthr-gnat.h: Likewise.
2242 * gthr-mipssde.h: Likewise.
2243 * gthr-nks.h: Likewise.
2244 * gthr-posix95.h: Likewise.
2245 * gthr-posix.h: Likewise.
2246 * gthr-rtems.h: Likewise.
2247 * gthr-single.h: Likewise.
2248 * gthr-solaris.h: Likewise.
2249 * gthr-tpf.h: Likewise.
2250 * gthr-vxworks.h: Likewise.
2251 * gthr-win32.h: Likewise.
2253 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2256 * config/i386/i386.md: Restrict the new peephole2 to move
2257 between MMX/SSE registers.
2259 2009-02-15 Richard Guenther <rguenther@suse.de>
2262 2009-02-13 Richard Guenther <rguenther@suse.de>
2264 * configure.ac: Enable LFS.
2265 * configure: Re-generate.
2266 * config.in: Likewise.
2268 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2270 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2271 spu_srqwbyte, spu_srqwbytebc): Define.
2272 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2273 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2274 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2275 "shrqby_<mode>"): New insn-and-split patterns.
2276 * config/spu/spu.c (expand_builtin_args): Determine and return
2277 number of operands using spu_builtin_description data.
2278 (spu_expand_builtin_1): Use it.
2280 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2283 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2286 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2289 * config/i386/i386.c (override_options): Correct warning
2290 messages for -malign-loops, -malign-jumps and -malign-functions.
2292 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2295 * config/i386/i386.md: Restrict the new peephole2 to move
2296 between the general purpose registers.
2298 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2301 * config/i386/i386.c (type_natural_mode): Add a new argument.
2302 Return the original mode and warn ABI change if vector size is 32byte.
2303 (function_arg_advance): Updated.
2304 (function_arg): Likewise.
2305 (ix86_function_value): Likewise.
2306 (ix86_return_in_memory): Likewise.
2307 (ix86_sol10_return_in_memory): Likewise.
2308 (ix86_gimplify_va_arg): Likewise.
2309 (function_arg_32): Don't warn ABX ABI change here.
2310 (function_arg_64): Likewise.
2312 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2314 * loop-iv.c (implies_p): In the final case, test that operands 0
2315 of the two comparisons match.
2317 * config/bfin/bfin.c (find_prev_insn_start): New function.
2318 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2319 (find_next_insn_start): Move.
2321 2009-02-13 Richard Guenther <rguenther@suse.de>
2323 * configure.ac: Enable LFS.
2324 * configure: Re-generate.
2325 * config.in: Likewise.
2327 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2330 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2331 sizes on syntax error after some arguments have been parsed.
2333 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2335 * doc/invoke.texi (-fira): Remove.
2337 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2339 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2340 * recog.c: Likewise.
2343 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2345 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2346 (umul_ppmm): Likewise.
2347 (count_leading_zeros): Likewise.
2348 (count_trailing_zeros): Likewise.
2349 (UMUL_TIME): Likewise.
2351 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2353 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2354 soft-fp/t-softfp to tmake_file.
2356 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2357 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2358 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2359 IA64_BUILTIN_INFQ]: New.
2360 (ia64_init_builtins): Initialize __builtin_infq,
2361 __builtin_fabsq and __builtin_copysignq if not HPUX.
2362 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2363 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2365 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2367 (__fixtfti): Likewise.
2368 (__fixunstfti): Likewise.
2369 (__floattitf): Likewise.
2371 * config/ia64/libgcc-glibc.ver: New.
2372 * config/ia64/t-fprules-softfp: Likewise.
2373 * config/ia64/sfp-machine.h: Likewise.
2375 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2376 (LIBGCC2_TF_CEXT): Likewise.
2377 (TF_SIZE): Likewise.
2378 (TARGET_INIT_LIBFUNCS): Likewise.
2380 * config/ia64/t-glibc (SHLINB_MAPFILES):
2381 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2383 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2385 * config/i386/i386.c (construct_container): Rewrite processing
2386 BLKmode with X86_64_SSE_CLASS.
2388 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2391 * config/i386/i386.md: Replace simplify_replace_rtx with
2392 replace_rtx in the new peephole2.
2394 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2396 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2397 loop unrolling do not happen at -O2.
2399 2009-02-12 Michael Matz <matz@suse.de>
2401 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2403 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2405 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2408 2009-02-12 Ben Elliston <bje@au.ibm.com>
2410 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2411 patterns when updating the back chain. Missed in the 2009-02-10
2414 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2416 * doc/extend.texi (Decimal Floating Types): Update identifier of
2417 draft TR and list of missing support.
2419 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2422 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2423 bit to variable length decl's flags, add it also to its
2424 pointer replacement variable.
2426 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2427 Jakub Jelinek <jakub@redhat.com>
2430 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2431 (memory_blockage): New expander.
2432 (*memory_blockage): New insn pattern.
2433 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2434 instead of general blockage at the end of function prologue when
2435 frame pointer is used to access red zone area. Do not emit blockage
2436 when profiling, it is emitted in generic code.
2437 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2438 function epilogue when frame pointer is used to access red zone area.
2440 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2443 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2444 by arithmetic with memory operands.
2445 * config/i386/predicates.md (commutative_operator): New.
2447 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2449 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2452 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2454 * alias.h (record_alias_subset): Declare.
2455 * alias.c (record_alias_subset): Make global.
2457 2009-02-10 Nick Clifton <nickc@redhat.com>
2459 * tree-parloops.c: Change license to GPLv3.
2460 * ipa-struct-reorg.c: Change license to GPLv3.
2461 * ipa-struct-reorg.h: Change license to GPLv3.
2463 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2466 * c-decl.c (start_struct): Return NULL on error.
2468 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2471 * cfgloopmanip.c (remove_path): Call remove_bbs after
2472 cancel_loop_tree, not before it.
2475 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2476 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2477 VAR_DECLs were seen.
2478 * tree-ssa-live.c (remove_unused_locals): Recompute
2479 cfun->has_local_explicit_reg_vars.
2480 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2481 copies or clearings if cfun->has_local_explicit_reg_vars.
2483 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2486 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2487 of function prologue when frame pointer is used to access
2490 2009-02-10 Richard Guenther <rguenther@suse.de>
2493 * gimplify.c (gimple_regimplify_operands): Always look if
2494 we need to create a temporary.
2496 2009-02-10 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/39132
2499 * tree-loop-distribution.c (todo): New global var.
2500 (generate_memset_zero): Trigger TODO_rebuild_alias.
2501 (tree_loop_distribution): Return todo.
2503 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2506 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2507 (x86_64_reg_class_name): Removed.
2508 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2509 first one isn't X86_64_SSE_CLASS or any other ones aren't
2510 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2511 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2512 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2513 and 3 X86_64_SSEUP_CLASS.
2514 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2515 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2517 2009-02-10 Ben Elliston <bje@au.ibm.com>
2519 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2520 form instruction to update the stack back chain word, even if the
2521 user has disabled the generation of update instructions.
2522 (movdi_<mode>_update_stack): New.
2523 (movsi_update_stack): Likewise.
2524 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2525 always use an update form instruction to update the stack back
2528 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2531 * graphite.c (if_region_set_false_region): After moving a region in
2532 the false branch of a condition, remove the empty dummy basic block.
2533 (gloog): Remove wrong fix for PR38953.
2535 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2537 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2538 generation due to implicit sign extension.
2540 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2543 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2544 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2546 2009-02-09 Richard Guenther <rguenther@suse.de>
2549 * convert.c (convert_to_real): Disable (float)fn((double)x)
2550 to fnf(x) conversion if errno differences may occur and
2551 -fmath-errno is set.
2553 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2555 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2556 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2557 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2559 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2562 * c-common.c (handle_alias_attribute): Disallow attribute for
2563 anything not a FUNCTION_DECL or VAR_DECL.
2565 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2568 * real.c (do_compare): Special-case compare of zero against
2569 decimal float value.
2571 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2574 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2575 as indicating flexible array members unless the field itself is
2576 being declarared as the incomplete array.
2578 2009-02-06 Jan Hubicka <jh@suse.cz>
2580 PR tree-optimization/38844
2581 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2584 2009-02-06 Richard Guenther <rguenther@suse.de>
2587 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2588 fork because we may expand it as __gcov_fork.
2590 2009-02-06 Nick Clifton <nickc@redhat.com>
2592 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2594 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2596 PR tree-optimization/35659
2597 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2598 vn_phi_eq): Shortcut if hashcode does not match.
2599 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2601 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2602 and avoid iterative_hash_expr.
2603 (FOR_EACH_VALUE_ID_IN_SET): New.
2604 (value_id_compare): Remove.
2605 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2606 sort expressions by value id.
2608 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2611 * config/sh/predicates.md (general_movsrc_operand): Don't check
2612 the subreg of system registers here.
2614 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2617 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2620 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2622 PR rtl-optimization/39110
2623 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2624 addresses, not aligned ones.
2626 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2627 Richard Guenther <rguenther@suse.de>
2629 PR tree-optimization/39100
2630 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2631 comment says and add edges.
2633 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2636 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2637 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2639 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2641 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2642 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2643 register_bb_in_sese, new_sese, free_sese): Moved.
2644 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2645 outermost_loop_in_scop, build_scop_iteration_domain,
2646 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2647 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2648 Use loop_in_sese_p instead of loop_in_scop_p.
2649 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2650 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2651 (scopdet_basic_block_info): Fix bug in scop detection.
2652 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2653 eq_loop_to_cloog_loop): Remove.
2654 (nb_loops_around_loop_in_scop, nb_loop
2655 ref_nb_loops): Moved here...
2656 * graphite.h (ref_nb_loops): ... from here.
2657 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2658 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2659 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2660 * testsuite/gcc.dg/graphite/scop-19.c: New
2662 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2663 Hans-Peter Nilsson <hp@axis.com>
2665 PR rtl-optimization/37889
2666 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2667 Move offset handling from PLUS to before the switch. Use new
2668 arguments when considering SYMBOL_REFs too.
2669 (rtx_addr_can_trap_p): Pass dummy offset and size.
2670 (enum may_trap_p_flags): Remove.
2671 (may_trap_p_1): Pass size from MEM_SIZE.
2673 PR rtl-optimization/38921
2674 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2675 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2676 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2677 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2679 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2681 AVX Programming Reference (January, 2009)
2682 * config/i386/sse.md (*vpclmulqdq): New.
2684 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2686 PR tree-optimization/38977
2687 PR gcov-profile/38292
2688 * calls.c (special_function_p): Disregard __builtin_ prefix.
2690 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2692 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2693 non-indexable addresses even before reload.
2695 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2698 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2699 as having variable size. Do not give an error for unnamed
2700 parameters with [*] declarators. Give a warning for type names
2701 with [*] declarators and mark them as variable size.
2702 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2703 for sizeof applied to [*] type names.
2705 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2708 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2710 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2712 * gcc.c (process_command): Update copyright notice dates.
2713 * gcov.c (print_version): Likewise.
2714 * gcov-dump.c (print_version): Likewise.
2715 * mips-tfile.c (main): Likewise.
2716 * mips-tdump.c (main): Likewise.
2718 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2721 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2722 for composite type involving a zero-length array type.
2724 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2727 * function.c (match_asm_constraints_1): Skip over
2728 initial optional % in the constraint.
2731 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2732 supported, don't accept FIXED_CSTs.
2733 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2734 and _Sat is used without _Fract/_Accum. Set specs->type to
2735 integer_type_node for cts_fract/cts_accum if fixed point is not
2738 2009-02-02 Catherine Moore <clm@codesourcery.com>
2740 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2742 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2744 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2745 (ABI_HAS_64BIT_SYMBOLS): Use it.
2746 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2748 2009-02-02 Paul Brook <paul@codesourcery.com>
2750 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2752 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2755 * recog.h (asm_operand_ok): Add constraints argument.
2756 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2757 recurse on matching constraint.
2758 (check_asm_operands): Pass constraints as 3rd argument to
2759 asm_operand_ok. Don't look up matching constraint here.
2760 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2763 2009-02-02 Ben Elliston <bje@au.ibm.com>
2765 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2766 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2768 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2770 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2771 information. Remove some obsolete information. Reorganize.
2773 * config/pa/fptr.c: Revert license to GPL 2.
2774 * config/pa/milli64.S: Likewise.
2776 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2779 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2780 LIBRARY name in, instead of hard-coding it.
2781 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2782 extra target make frag to tmake_files according to EH model.
2783 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2784 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2785 frags that define makefile variable EH_MODEL appropriately.
2786 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2787 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2788 to "-sjlj" according to type of EH configured.
2789 (LIBGCC_SONAME): Concatenate it to shared library base name.
2790 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2791 to "_sjlj" according to type of EH configured.
2792 (LIBGCC_SONAME): Concatenate it to shared library base name.
2793 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2794 (SHLIB_LINK): Add missing semicolon to if-else construct.
2795 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2796 string value of "pe_dll" command-line option.
2797 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2798 (SHLIB_SONAME): Use it when overriding t-cygming default.
2799 (SHLIB_IMPLIB): Override t-cygming default.
2800 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2801 string value of "pe_dll" command-line option.
2803 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2806 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2807 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2809 2009-01-31 Richard Guenther <rguenther@suse.de>
2811 PR tree-optimization/38937
2812 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2813 computing the transitive closure.
2815 2009-01-30 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/39041
2818 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2819 Propagate variable indices only if the types match for this stmt.
2821 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2824 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2825 inline but never defined.
2827 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2829 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2830 (*insv_h_di_reg_extimm): New insn.
2831 (*insv_l<mode>_reg_extimm): New insn.
2833 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2835 * config/picochip/picochip.c (flag_conserve_stack): set
2836 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2837 fconserve-stack. Reduce call-overhead used by inliner.
2839 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2842 * common.opt (flag_conserve_stack): Initialised to zero.
2844 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2847 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2848 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2851 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2853 * ira-color.c (allocno_reload_assign): Update comments.
2854 * regmove.c (regmove_optimize): Likewise.
2858 2009-01-29 Robert Millan <rmh@aybabtu.com>
2860 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2861 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2862 `MD_UNWIND_SUPPORT'.
2863 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2865 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2867 PR tree-optimization/39007
2868 * tree-loop-distribution.c (generate_builtin): Use
2869 recompute_dominator to compute the immediate dominator of the
2870 basic block just after the loop.
2872 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2874 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2875 (ASM_OUTPUT_DWARF_PCREL): Define.
2877 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2879 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2880 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2881 global. Modify entries about regmove and IRA.
2883 * ra-conflict.c: Remove the file.
2885 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2887 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2888 (pass_regclass_init): Rename to pass_reginfo_init.
2890 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2892 * toplev.h (flag_ira): Remove.
2894 * caller-save.c (setup_save_areas): Remove flag_ira.
2896 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2898 * global.c: Remove the file.
2900 * opts.c (decode_options): Remove flag_ira.
2902 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2904 * regmove.c: Modify file description.
2905 (find_use_as_address, try_auto_increment): Define them only if
2906 AUTO_INC_DEC is defined.
2907 (replacement_quality, replace_in_call_usage, fixup_match_1,
2908 stable_and_no_regs_but_for_p): Remove.
2909 (reg_set_in_bb): Make it static.
2910 (regmove_optimize): Remove flag_ira and code which worked for
2913 * local-alloc.c: Remove the file.
2915 * common.opt (fira): Remove.
2917 * ira.c: Include except.h.
2918 (eliminable_regset): Move from global.c.
2919 (mark_elimination): Ditto. Remove flag_ira.
2920 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2921 equiv_mem_modified, validate_equiv_mem_from_store,
2922 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2923 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2924 no_equiv, recorded_label_ref): Move from local-alloc.c.
2925 (update_equiv_regs): Ditto. Make it static.
2926 (print_insn_chain, print_insn_chains): Move it from global.c.
2927 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2928 (build_insn_chain): Ditto. Make it static.
2929 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2930 Rename to init_live_subregs.
2931 (gate_ira): Remove flag_ira.
2933 * regclass.c: Rename reginfo.c. Change file description.
2934 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2935 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2936 (init_reg_sets_1): Remove code for evaluation of
2937 reg_class_superclasses and losing_caller_save_reg_set.
2938 (init_regs): Remove init_reg_autoinc.
2939 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2940 ok_for_base_p_nonstrict): Remove.
2941 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2942 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2943 corresponding entries.
2944 (dump_regclass, record_operand_costs, scan_one_insn,
2945 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2946 record_address_regs, auto_inc_dec_reg_p): Remove.
2947 (gt-regclass.h): Rename to gt-reginfo.h.
2949 * rtl.h (dump_global_regs, retry_global_alloc,
2950 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2952 * Makefile.in (RA_H): Remove.
2953 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2954 Rename regclass.o to reginfo.o.
2955 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2957 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2958 (GTFILES): Rename regclass.c to reginfo.c.
2960 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2961 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2963 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2964 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2966 (finish_spills): Ditto. Remove code for !flag_ira.
2968 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2971 * doc/invoke.texi (rtl debug options): Complete rewrite.
2972 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2974 * mode-switching.c (pass_mode_switching): Rename pass from
2975 "mode-sw" to "mode_sw".
2976 * except.c (pass_convert_to_eh_ranges): Rename pass from
2977 "eh-ranges" to "eh_ranges".
2978 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2982 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2983 Alexander Monakov <amonakov@ispras.ru>
2986 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2988 (move_exprs_to_boundary): Change return type and pass through
2989 should_move from move_op. Relax assert. Update usage ...
2990 (schedule_expr_on_boundary): ... here. Use should_move instead of
2992 (move_op_orig_expr_found): Indicate that insn was disconnected from
2994 (code_motion_process_successors): Do not call after_merge_succs
2995 callback if original expression was not found when traversing any of
2997 (code_motion_path_driver): Change return type. Update prototype.
2998 (move_op): Update comment. Add a new parameter (should_move). Update
2999 prototype. Set *should_move based on indication provided by
3000 move_op_orig_expr_found.
3002 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3004 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3005 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3006 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3007 * config/rs6000/rs6000.c (rs6000_override_options): Default
3008 avoid-indexed-addresses on for Power6, off for everything else.
3009 (avoiding_indexed_address_p): New function.
3010 (rs6000_legitimize_address): Use it.
3011 (rs6000_legitimate_address): Likewise.
3012 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3014 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3016 PR tree-optimization/38997
3017 * tree-loop-distribution.c (generate_memset_zero): Use
3018 POINTER_PLUS_EXPR for a pointer addition.
3020 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3022 * config/s390/s390.md (bswap<mode>2): New pattern added.
3024 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3026 * config/s390/s390.md (*tls_load_31): Added type attribute.
3028 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3030 * config/s390/s390.md: Fix a few comments.
3032 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3034 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3035 (*tm<mode>_full): Fixed z10prop attribute.
3036 (*tst<mode>_extimm): Fixed z10prop attribute.
3037 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3038 (*tstqiCCT_cconly): Fixed z10prop attribute.
3039 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3040 (*movsi_larl): Fixed z10prop attribute.
3041 (*movsi_zarch): Fixed z10prop attribute.
3042 (*movsi_eas): Fixed z10prop attribute.
3043 (*movhi): Fixed z10prop attribute.
3044 (*movqi): Fixed z10prop attribute.
3045 (*movstrictqi): Fixed z10prop attribute.
3046 (*mov<mode>): Fixed z10prop attribute.
3047 (*movcc): Fixed z10prop attribute.
3048 (*sethighpartdi_64): Fixed z10prop attribute.
3049 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3050 (*negdi2_sign_cc): Fixed z10prop attribute.
3051 (*negdi2_sign): Fixed z10prop attribute.
3052 (*absdi2_sign_cc): Fixed z10prop attribute.
3053 (*absdi2_sign): Fixed z10prop attribute.
3054 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3055 (*negabsdi2_sign): Fixed z10prop attribute.
3056 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3057 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3058 (doloop_si64): Fixed z10prop attribute.
3059 (doloop_si31): Fixed z10prop attribute.
3060 (doloop_long): Fixed z10prop attribute.
3061 (indirect_jump): Fixed z10prop attribute.
3062 (nop): Fixed z10prop attribute.
3063 (main_base_64): Fixed z10prop attribute.
3064 (reload_base_64): Fixed z10prop attribute.
3066 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3068 PR rtl-optimization/38740
3069 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3071 * config/mips/mips.c (mips_reorg): Likewise.
3073 2009-01-28 Richard Guenther <rguenther@suse.de>
3075 PR tree-optimization/38926
3076 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3077 with the correct value id to a value.
3078 (do_regular_insertion): Use the value number of edoubleprime
3079 for the value number of the expr.
3082 2008-08-21 Richard Guenther <rguenther@suse.de>
3084 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3085 a PHI ask VN if it is already available.
3086 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3087 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3089 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3092 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3093 set to varying whenever max has TREE_OVERFLOW set, similarly
3094 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3096 2009-01-28 Richard Guenther <rguenther@suse.de>
3099 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3100 uninitialized aggregate uses in call arguments.
3102 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3104 PR tree-optimization/38984
3105 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3106 the nothing_id variable if -fno-delete-null-pointer-checks.
3108 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3111 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3112 (set_got_offset_rex64): Ditto.
3114 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3117 * doc/extend.texi: Improve local variable with asm reg.
3119 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3121 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3122 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3123 was not supplied then set warn_packed_bitfield_compat to the
3125 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3128 2009-01-27 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/38503
3131 * cfgexpand.c (expand_gimple_basic_block): Ignore
3132 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3133 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3134 variables that cannot have TBAA applied.
3135 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3138 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3141 * calls.c (initialize_argument_information): Do not wrap complex
3142 arguments in SAVE_EXPR.
3144 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3146 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3147 (INSTALL_LIBGCC): Revert typo commit.
3149 2009-01-26 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/38745
3152 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3153 from special handling.
3155 2009-01-26 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/38745
3158 * tree-ssa.c (execute_update_addresses_taken): Do not include
3159 variables that cannot possibly be a register in not_reg_needs.
3160 Do not clear TREE_ADDRESSABLE on vars that may not become
3162 * tree-ssa.c (update_alias_info_1): Include those in the set
3163 of addressable vars.
3165 2009-01-26 Richard Guenther <rguenther@suse.de>
3168 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3169 * tree-ssa-dse.c: Include langhooks.h
3170 (execute_simple_dse): Remove stores with zero size.
3172 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3175 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3178 2009-01-24 Julian Brown <julian@codesourcery.com>
3180 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3181 config/arm/linux-atomic.c.
3182 * config/arm/linux-atomic.c: New.
3184 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3186 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3187 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3188 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3190 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3193 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3196 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3198 PR tree-optimization/38953
3199 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3200 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3201 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3202 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3205 2009-01-24 Paul Brook <paul@codesourcery.com>
3207 * config/arm/neon.md (neon_type): Move to arm.md.
3208 (neon_mov<VSTRUCT>): Add neon_type attribute.
3209 * config/arm/arm.md (neon_type): Move to here.
3210 (conds): Add "unconditioal" and use as default for NEON insns.
3212 2009-01-24 Ben Elliston <bje@au.ibm.com>
3214 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3215 void *' warning from -Wc++-compat.
3216 * Makefile.in (dominance.o-warn): Remove.
3218 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3220 PR tree-optimization/38932
3221 * fold-const.c (fold_unary_ignore_overflow): New.
3222 * tree.h (fold_unary_ignore_overflow): Declare.
3223 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3224 * tree-ssa-sccvn.c (visit_reference_op_load,
3225 simplify_unary_expression): Likewise.
3227 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3229 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3230 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3231 regardless of their type.
3232 * c-common.c (handle_packed_attribute): Don't ignore packed on
3234 * c.opt (Wpacked-bitfield-compat): New warning option.
3235 * stor-layout.c (place_field): Warn if offset of a field changed.
3236 * doc/extend.texi (packed): Mention the ABI change.
3237 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3238 (Warning Options): Add it to the list.
3240 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3242 * c-opts.c (c_common_post_options): Fix a typo in comments.
3244 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3247 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3248 variables to static.
3249 * doc/invoke.texi (-fmerge-all-constants): Update description.
3251 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3254 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3255 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3257 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3259 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3261 (LOCAL_ALIGNMENT): Similarly.
3263 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3264 Joseph Myers <joseph@codesourcery.com>
3266 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3267 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3268 * config/arm/arm-tune.md: Regenerate.
3269 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3272 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3274 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3275 version number to five.
3277 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3280 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3281 * c-common.c (set_underlying_type): Likewise.
3282 (is_typedef_decl ): Likewise
3284 (set_underlying_type): Likewise.
3285 (is_typedef_type): Likewise.
3287 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3290 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3293 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3296 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3297 (LIBGCC_SPEC): Don't define.
3298 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3300 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3302 PR rtl-optimization/38879
3303 * alias.c (base_alias_check): Unaligned access via AND address can
3304 alias all surrounding object types except those with sizes equal
3305 or wider than the size of unaligned access.
3307 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3310 * c-decl.c (clone_underlying_type): Move this ...
3311 * c-common.c (set_underlying_type): ... here.
3312 Also, make sure the function properly sets TYPE_STUB_DECL() on
3313 the newly created typedef variant type.
3314 (is_typedef_decl ): New entry point.
3315 * tree.h: Added a new member member_types_needing_access_check to
3316 struct tree_decl_non_common.
3317 (set_underlying_type): New entry point.
3318 (is_typedef_type): Likewise.
3320 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3322 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3323 Check whether two instructions have memory references that
3324 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3325 are helper functions for traversing.
3326 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3327 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3328 not to draw dependency edge for instructions with non-conflicting
3331 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3334 * longlong.h: Update copyright years. Use soft-fp license notice.
3335 Sync __clz_tab declaration with glibc.
3337 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3340 * doc/extend.texi (syscall_linkage): New.
3341 (version_id): Modify.
3343 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3344 Richard Guenther <rguenther@suse.de>
3346 PR tree-optimization/38747
3347 PR tree-optimization/38748
3348 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3349 conversion if the base address is an indirect reference and the
3350 aliasing sets could cause issues.
3352 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3354 * common.opt (fgraphite, fgraphite-identity): Add comment for
3355 explaining why these options are not documented.
3357 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3359 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3360 gimple_call_lhs is NULL.
3362 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3365 * emit-rtl.c (adjust_address_1): Make sure memref is never
3368 2009-01-20 Ben Elliston <bje@au.ibm.com>
3370 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3371 const qualifier from arg parameter. Remove unnecessary cast to char *.
3372 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3373 const qualifier from arg 2.
3375 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3377 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3379 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3382 * rtl.h (reinit_regs): New prototype.
3383 * regclass.c: Include ira.h.
3385 * Makefile.in (regclass.o): Add ira.h.
3386 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3388 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3391 * c-common.c (handle_aligned_attribute): Use
3392 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3393 default alignment value.
3395 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3397 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3398 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3400 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3401 __BIGGEST_ALIGNMENT__.
3403 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3405 2009-01-18 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/38819
3408 * tree-flow.h (operation_could_trap_helper_p): Declare.
3409 * tree-eh.c (operation_could_trap_helper_p): Export.
3410 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3411 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3412 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3413 are about to insert a possibly trapping instruction and fail
3416 2009-01-18 Andreas Schwab <schwab@suse.de>
3418 * doc/install.texi (Configuration): Remove obsolete paragraph
3419 about use of --with-gnu-ld with --with-gnu-as.
3421 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3423 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3424 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3425 Follow spelling conventions.
3427 2009-01-18 Ben Elliston <bje@au.ibm.com>
3429 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3430 C++ warning about implicit conversion from void * to struct
3432 (bitmap_obstack_free): Likewise for bitmap_element *.
3433 * Makefile.in (bitmap.o-warn): Remove.
3435 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3437 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3439 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3440 Tobias Grosser <tobi.grosser@amd.com>
3442 * graphite.c (graphite_trans_scop_block): Do not block single
3445 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3447 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3448 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3449 test with assertion.
3451 2009-01-16 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/38835
3455 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3456 and INT + PTR -> (INT)(PTR p+ INT) folding.
3457 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3459 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3462 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3463 the subreg from a lowpart subreg if it is also casting the value.
3465 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3466 Tobias Grosser <tobi.grosser@amd.com>
3468 * graphite.c (compare_prefix_loops): New.
3469 (build_scop_canonical_schedules): Rewritten.
3470 (graphite_transform_loops): Move build_scop_canonical_schedules
3471 after build_scop_iteration_domain.
3473 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3474 Tobias Grosser <tobi.grosser@amd.com>
3476 * graphite.c (add_conditions_to_domain): Add the loops to
3477 the dimension of the iteration domain. Do copy the domain
3478 only when it exists.
3479 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3480 (add_conditions_to_constraints): New.
3481 (can_generate_code_stmt, can_generate_code): Removed.
3482 (gloog): Do not call can_generate_code.
3483 (graphite_transform_loops): Call add_conditions_to_constraints
3484 after building the iteration domain.
3486 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3488 PR tree-optimization/38789
3489 * tree-ssa-threadedge.c
3490 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3491 __builtin_constant_p.
3493 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3495 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3496 examined before deleting them.
3498 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3500 * function.c (aggregate_value_p): Correctly extract the function
3501 type from CALL_EXPR_FN lookup.
3503 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3505 * config/picochip/picochip.c (picochip_override_options): Revert
3506 CFI asm flag disable commited previously.
3508 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3509 Tobias Grosser <tobi.grosser@amd.com>
3510 Jan Sjodin <jan.sjodin@amd.com>
3512 * graphite.c (scan_tree_for_params): On substractions negate
3513 all the coefficients of the term.
3514 (clast_to_gcc_expression_red): New. Handle reduction expressions
3515 of more than two operands.
3516 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3517 (get_vdef_before_scop): Handle also the case of default definitions.
3519 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3521 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3522 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3523 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3525 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3526 Joey Ye <joey.ye@intel.com>
3529 * cfgexpand.c (expand_stack_alignment): Don't update stack
3530 boundary nor check incoming stack boundary here.
3531 (gimple_expand_cfg): Update stack boundary and check incoming
3532 stack boundary here.
3534 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3536 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3538 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3540 PR rtl-optimization/38245
3541 * calls.c (expand_call): Add stack arguments to
3542 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3543 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3544 in regs and partially in memory or BLKmode arguments.
3545 (emit_library_call_value_1): Add stack arguments to
3546 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3547 ACCUMULATE_OUTGOING_ARGS).
3548 * dce.c: Include tm_p.h.
3549 (find_call_stack_args): New function.
3550 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3552 (mark_insn): Call find_call_stack_args for CALL_Ps.
3553 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3554 forwards. Allocate and free arg_stores bitmap if needed, pass it
3555 down to deletable_insn_p, don't mark stores set in arg_stores
3556 bitmap, clear the bitmap at the beginning of each bb.
3557 * Makefile.in (dce.o): Depend on $(TM_P_H).
3559 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3562 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3563 to make sure the insn is a conditional test (bug 22599). Reformat a
3566 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3569 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3570 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3571 (gloog): Do not call cleanup_tree_cfg.
3572 (graphite_transform_loops): Call cleanup_tree_cfg after all
3573 scops have been code generated.
3575 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3576 * doc/gty.texi (Invoking the garbage collector): Added new node
3577 and section documenting ggc_collect.
3579 2009-01-14 Richard Guenther <rguenther@suse.de>
3581 PR tree-optimization/38826
3583 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3584 initialization notes only if we actually emitted a warning.
3585 (intra_create_variable_infos): Add constraints for a result decl
3586 that is passed by hidden reference.
3587 (build_pred_graph): Mark all related variables non-direct on
3590 2009-01-14 Nick Clifton <nickc@redhat.com>
3592 * ira-conflicts.c: Include addresses.h for the definition of
3594 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3595 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3597 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3600 * Makefile.in (ira-lives.o): Add except.h.
3602 * ira-lives.c: Include except.h.
3603 (process_bb_node_lives): Process can_throw_internal.
3605 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3607 PR rtl-optimization/38774
3608 * combine.c (simplify_set): When undoing cc_use change, don't do
3609 PUT_CODE on the newly created comparison, but instead put back the
3612 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3614 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3615 values. Remove duplicate arm8 entry.
3617 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3619 PR tree-optimization/38786
3620 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3621 the SSA_NAME case of expand_scalar_variables_expr.
3622 Set the type of an expression to the type of its assign statement.
3623 (expand_scalar_variables_expr): Also gather the scalar computation
3624 used to index the memory access. Do not pass loop_p.
3625 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3626 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3627 the gimple_stmt_iterator where it inserts new code.
3629 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3630 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3632 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3634 * graphite.h (debug_value): Removed.
3635 * graphite.c (debug_value): Removed.
3637 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3639 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3640 ldrd/strd with two 32-bit instructions.
3642 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3644 * config/arm/arm.c (struct processors): Pass for speed down into
3645 cost helper functions.
3646 (const_ok_for_op): Handle COMPARE and inequality nodes.
3647 (arm_rtx_costs_1): Rewrite.
3648 (arm_size_rtx_costs): Update prototype.
3649 (arm_rtx_costs): Pass speed down to helper functions.
3650 (arm_slowmul_rtx_costs): Rework cost calculations.
3651 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3652 (arm_9e_rtx_costs): Likewise.
3654 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3656 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3657 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3658 (alpha_legitimize_address): Do not split local symbols wider than
3659 UNITS_PER_WORD into HIGH/LO_SUM parts.
3661 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3664 * gcc.c (process_command): Replace call to execvp with calls
3665 to pex_one and exit.
3667 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3670 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3671 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3672 variant for devices with 3-byte PC.
3673 (__tablejump_elpm__): New.
3675 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3678 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3679 offsetof member-designator, handle it as `[0].'.
3681 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3683 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3684 function when not using named sections on targets with named sections
3685 if branch distance is less than 262132.
3687 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3689 * combine.c (combine_instructions): Recompute
3690 optimize_this_for_speed_p for each BB in the main combine loop.
3692 2009-01-12 Tomas Bily <tbily@suse.cz>
3695 * tree-loop-distribution.c (prop_phis): New function.
3696 (generate_builtin): Call prop_phis.
3697 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3699 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3701 PR tree-optimization/38807
3702 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3703 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3705 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3707 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3708 subreg of op0 to the original op0.
3710 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3712 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3714 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3717 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3718 starting with digits.
3720 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3723 * config/arm/arm.c (arm_is_long_call_p): Don't call
3724 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3726 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3728 * regrename.c (regrename_optimize): Fix dumping.
3729 (find_oldest_value_reg): Preserve REG_POINTER.
3730 (copy_hardreg_forward_1): Likewise.
3732 2009-01-09 Diego Novillo <dnovillo@google.com>
3734 * gimple.h (struct gimple_statement_base) <uid>: Document
3735 the restrictions on its use.
3737 (gimple_set_uid): Tidy.
3739 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3741 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3742 zero guard even if align_bytes != 0 and count is smaller than
3745 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3747 PR rtl-optimization/38495
3748 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3749 (add_range_and_copies_from_move_list): Print all added ranges.
3750 Add ranges to memory optimized destination.
3752 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3756 * config/i386/i386.c (override_options): Reject
3757 -mstringop-strategy=rep_8byte with -m32.
3758 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3759 to 1. Do count comparison against epilogue_size_needed at compile
3760 time even when count_exp was constant forced into register. For
3761 size_needed don't jump to epilogue, instead just avoid aligning
3762 and invoke the body algorithm. If need_zero_guard, add zero guard
3763 even if count is non-zero, but smaller than size_needed + number of
3764 bytes that could be stored for alignment.
3765 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3766 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3767 but smaller than size_needed + number of bytes that could be stored
3768 for alignment. Compare size_needed with epilogue_size_needed instead
3769 of desired_align - align, don't adjust size_needed, pass
3770 epilogue_size_needed to the epilogue expanders.
3773 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3775 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3777 * pa.c (last_address): Change to unsigned.
3778 (update_total_code_bytes): Change argument to unsigned. Don't
3779 check if insn addresses are set.
3780 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3781 addresses are not set.
3782 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3784 2009-01-09 Nick Clifton <nickc@redhat.com>
3786 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3787 DECL_DECLARED_INLINE_P.
3789 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3792 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3793 GET_MODE (op0) in operand_subword_force calls.
3796 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3797 fold_convert arg0 operands to TREE_TYPE (op0) first.
3799 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3801 * params.def (ira-max-conflict-table-size): Decrease default value
3804 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3806 PR tree-optimization/37031
3807 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3809 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3810 allocate it using gc instead of heap, use VEC_quick_push instead of
3812 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3813 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3814 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3815 allocated vector from heap allocated.
3816 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3817 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3818 vector only after perfect_loop_nest_depth call.
3820 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3821 Jan Sjodin <jan.sjodin@amd.com>
3823 PR tree-optimization/38559
3824 * graphite.c (debug_value, copy_constraint,
3825 swap_constraint_variables, scale_constraint_variable, ): New.
3826 (get_lower_bound, get_upper_bound): Removed.
3827 (graphite_trans_bb_strip_mine): Clean up this code that works
3828 only for constant number of iterations. Fully copy upper and
3829 lower bound constraints, not only the constant part of them.
3830 * graphite.h (debug_value): Declared.
3832 2009-01-08 Ira Rosen <irar@il.ibm.com>
3834 PR tree-optimization/37194
3835 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3836 Don't add the cost of cost model guard in prologue to scalar
3837 outside cost in case of known number of iterations.
3839 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3840 Alan Modra <amodra@bigpond.net.au>
3842 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3843 non-word-aligned REG+CONST addressing.
3845 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3848 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3849 free_after_compilation when outputting a thunk.
3850 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3851 Do not call free_after_compilation here.
3853 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3855 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3856 (ix86_valid_target_attribute_inner_p): Ditto.
3858 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3860 PR tree-optimization/38492
3861 PR tree-optimization/38498
3862 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3863 * tree-chrec.h (scev_is_linear_expression): Declared.
3864 * graphite.c (graphite_cannot_represent_loop_niter): New.
3865 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3866 (graphite_loop_normal_form): Use gcc_assert.
3867 (scan_tree_for_params): Use CASE_CONVERT.
3868 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3869 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3870 Use gcc_assert. Discard scops that contain unhandled cases.
3871 (build_scop_conditions): Return a boolean status for unhandled cases.
3872 (strip_mine_profitable_p): Print the loop number, not its depth.
3873 (is_interchange_valid): Pass the depth of the loop nest, don't
3874 recompute it wrongly.
3875 (graphite_trans_bb_block): Same.
3876 (graphite_trans_bb_block): Print tentative of loop blocking.
3877 (graphite_trans_scop_block): Do not print that the loop has been
3879 (graphite_transform_loops): Do not handle scops that contain condition
3882 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3884 AVX Programming Reference (December, 2008)
3885 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3886 (_mm256_stream_pd): Likewise.
3887 (_mm256_stream_ps): Likewise.
3889 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3890 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3891 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3892 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3893 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3894 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3895 (ix86_expand_special_args_builtin): Likewise.
3897 * config/i386/sse.md (AVXMODEDI): New.
3898 (avx_movnt<mode>): Likewise.
3899 (avx_movnt<mode>): Likewise.
3900 (<sse>_movnt<mode>): Remove AVX support.
3901 (sse2_movntv2di): Likewise.
3903 2009-01-07 Richard Guenther <rguenther@suse.de>
3906 * fold-const.c (extract_muldiv): Remove obsolete comment.
3907 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3908 to PLUS_EXPR canonicalization for the canonicalization.
3910 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3912 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3913 hosted cross-compilers generating less efficient code.
3915 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3917 * function.h (rtl_data): Add a dbr_scheduled_p field.
3918 * reorg.c (dbr_schedule): Set it.
3919 (gate_handle_delay_slots): Check it.
3920 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3921 (mips_reorg): Check flag_delayed_branch instead of
3922 mips_base_delayed_branch.
3923 (mips_override_options): Don't set mips_base_delayed_branch
3924 or flag_delayed_branch.
3926 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3928 PR rtl-optimization/38426.
3929 * ira.c (ira): Set current_function_is_leaf earlier.
3931 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3933 PR rtl-optimization/38722
3934 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3935 too early, only set a flag and modify after last possible
3938 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3941 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3942 * real.c (decimal_single_format): Correct values of emin and emax.
3943 (decimal_double_format): Ditto.
3944 (decimal_quad_format): Ditto.
3945 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3946 computation of DECnn_MIN and DECnn_MAX for corrected values of
3947 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3948 __DECnn_MIN__, and adjust its computation for the corrected value
3951 2009-01-06 Jan Hubicka <jh@suse.cz>
3954 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3956 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3958 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3959 Add Robert Clark to the list of testers.
3961 2009-01-06 Jan Hubicka <jh@suse.cz>
3962 Kai Tietz <kai.tietz@onevision.com>
3964 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3965 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3967 2009-01-06 Jan Hubicka <jh@suse.cz>
3968 Kai Tietz <kai.tietz@onevision.com>
3970 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3972 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3973 (ix86_nsaved_regs): Count only general purpose regs.
3974 (ix86_nsaved_sseregs): New.
3975 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3976 to 16 for w64; compute padding and size of sse reg save area.
3977 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3978 general purpose regs.
3979 (ix86_emit_save_sse_regs_using_mov): New.
3980 (ix86_expand_prologue): Save SSE regs if needed.
3981 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3982 (ix86_emit_restore_sse_regs_using_mov): New.
3983 (ix86_expand_epilogue): Save SSE regs if needed.
3985 2009-01-06 Jan Hubicka <jh@suse.cz>
3986 Kai Tietz <kai.tietz@onevision.com>
3988 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3989 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3990 functions when accumulate outgoing args is off.
3992 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3995 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3996 before using pseudos_have_intersected_live_ranges_p.
3998 * ira-int.h (ira_assert): Always define.
4000 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4002 AVX Programming Reference (December, 2008)
4003 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4004 (_mm256_permute2_pd): Likewise.
4005 (_mm_permute2_ps): Likewise.
4006 (_mm256_permute2_ps): Likewise.
4007 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4008 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4010 * config/i386/i386.c (ix86_builtins): Remove
4011 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4012 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4013 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4014 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4015 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4016 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4017 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4018 __builtin_ia32_vpermil2ps256.
4019 (ix86_init_mmx_sse_builtins): Updated.
4020 (ix86_expand_args_builtin): Likewise.
4022 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4024 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4025 long absolute calls when generating PA 2.0 code.
4027 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4029 PR rtl-optimization/38583
4030 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4032 * params.def (ira-max-conflict-table-size): New.
4034 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4036 * ira.h (ira_conflicts_p): New external definition.
4038 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4039 table. Report this. Return result of building.
4040 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4041 building conflict table.
4043 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4044 (ira_color): Use ira_conflicts_p.
4046 * global.c: Include ira.h.
4047 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4050 * Makefile.in (global.o): Add ira.h.
4052 * ira-build.c (mark_all_loops_for_removal,
4053 propagate_some_info_from_allocno): New.
4054 (remove_unnecessary_allocnos): Call
4055 propagate_some_info_from_allocno.
4056 (remove_low_level_allocnos): New.
4057 (remove_unnecessary_regions): Add parameter. Call
4058 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4059 parameter to remove_unnecessary_regions.
4060 (ira_build): Remove all regions but root if the conflict table was
4061 not built. Update conflict hard regs for allocnos crossing calls.
4063 * ira.c (ira_conflicts_p): New global.
4064 (ira): Define and use ira_conflicts_p.
4066 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4067 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4068 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4070 2009-01-06 Ben Elliston <bje@au.ibm.com>
4072 * gengtype-lex.l (YY_NO_INPUT): Define.
4074 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4077 * c-common.c (handle_vector_size_attribute): Also reject
4080 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4082 PR tree-optimization/38492
4083 * graphite.c (rename_map_elt, debug_rename_elt,
4084 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4085 rename_map_elt_info, eq_rename_map_elts,
4086 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4087 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4088 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4089 (sese_build_livein_liveouts): New.
4090 (new_sese, free_sese): New.
4091 (new_scop): Call new_sese.
4092 (free_scop): Call free_sese.
4093 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4094 (register_old_new_names): Renamed register_old_and_new_names.
4095 (register_scop_liveout_renames, add_loop_exit_phis,
4096 insert_loop_close_phis, struct igp,
4097 default_liveout_before_guard, add_guard_exit_phis,
4098 insert_guard_phis, copy_renames): New.
4099 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4100 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4101 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4102 (scop_adjust_phis_for_liveouts): New.
4103 (gloog): Call scop_adjust_phis_for_liveouts.
4105 * graphite.h (struct sese): Documented. Added fields liveout,
4107 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4108 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4109 (struct scop): Added field liveout_renames.
4110 (SCOP_LIVEOUT_RENAMES): New.
4112 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4114 PR tree-optimization/38510
4115 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4116 (translate_clast): Call recompute_all_dominators before
4118 (gloog): Call recompute_all_dominators before graphite_verify.
4120 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4121 Jan Sjodin <jan.sjodin@amd.com>
4123 PR tree-optimization/38500
4124 * graphite.c (create_sese_edges): Call fix_loop_structure after
4127 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4129 * config.gcc: Add m32r*-*-rtems*.
4130 * config/m32r/rtems.h: New file.
4132 2009-01-05 Ben Elliston <bje@au.ibm.com>
4134 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4135 (.po.pox): Likewise.
4136 (po/gcc.pot): Likewise.
4138 2009-01-04 David S. Miller <davem@davemloft.net>
4140 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4141 (STARTING_FRAME_OFFSET): Always set to zero.
4143 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4145 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4146 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4147 fixed-point types, and vectors of the same.
4149 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4151 * config/mips/sync.md (*mb_barrier): Rename to...
4152 (*memory_barrier): ...this.
4154 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4156 * doc/extend.texi (Function Attributes): Move @cindex after @item
4157 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4158 and put in alphabetical order. Fix 'target' name and put in order.
4159 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4162 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4164 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4165 (memory_barrier): Expand as unspec instead of unspec_volatile.
4166 Remove mem:BLK from insn operands. Use Pmode scratch register.
4167 (*memory_barrier): Define as unspec instead of unspec_volatile.
4168 Use (match_dup 0) as input operand.
4170 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4171 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4172 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4173 scratch register. Remove operand 1.
4174 (*stbar): Define as unspec instead of unspec_volatile.
4175 Use (match_dup 0) as input operand, remove (const_int 8).
4176 (*membar): Define as unspec instead of unspec_volatile.
4177 Use (match_dup 0) as input operand, remove input operand 2.
4179 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4180 (memory_barrier): Expand as unspec instead of unspec_volatile.
4181 Remove mem:BLK from insn operands. Use Pmode scratch register.
4182 (*memory_barrier): Define as unspec instead of unspec_volatile.
4183 Use (match_dup 0) as input operand.
4185 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4186 Remove mem:BLK from insn operands. Use Pmode scratch register.
4187 Set volatile flag on operand 0.
4188 (*memory_barrier): New insn pattern.
4190 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4192 (*memory_barrier): Use (match_dup 0) as input operand.
4194 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4195 Remove mem:BLK from insn operands. Use Pmode scratch register.
4196 Set volatile flag on operand 0.
4197 (*mb_internal): New insn pattern.
4199 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4201 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4204 * function.c (struct temp_slot): Move to the section of the file
4205 that deals with temp slots. Remove field 'address'.
4206 (temp_slot_address_table): New hash table of address -> temp slot.
4207 (struct temp_slot_address_entry): New struct, items for the table.
4208 (temp_slot_address_compute_hash, temp_slot_address_hash,
4209 temp_slot_address_eq, insert_temp_slot_address): Support functions
4211 (find_temp_slot_from_address): Rewrite to use the new hash table.
4212 (remove_unused_temp_slot_addresses): Remove addresses of temp
4213 slots that have been made available.
4214 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4215 worker function for remove_unused_temp_slot_addresses.
4216 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4217 Add the temp slot address to the address -> temp slot map.
4218 (update_temp_slot_address): Update via insert_temp_slot_address.
4219 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4220 (pop_temp_slots): Likewise.
4221 (init_temp_slots): Allocate the address -> temp slot map, or empty
4222 the map if it is already allocated.
4223 (prepare_function_start): Initialize temp slot processing.
4225 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4228 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4229 Calculate the size of all stack vars assuming no packing of stack
4230 vars will happen, replacing a quadratic algorithm with a linear one.
4232 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4235 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4238 2009-01-03 Diego Novillo <dnovillo@google.com>
4240 * doc/contrib.texi: Update contributions.
4242 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4245 * builtins.c (fold_builtin_memory_op): Give up if either operand
4246 is volatile. Set srctype or desttype to non-qualified version
4250 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4253 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4255 PR rtl-optimization/35805
4256 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4257 problem if fast dce is able to remove any instructions.
4258 * dce.c (dce_process_block): Fix dump message.
4260 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4263 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4265 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4268 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4269 * tree-pretty-print.c (op_code_prio): New function.
4270 (op_prio): No longer static. Use op_code_prio.
4271 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4272 Use op_prio and op_code_prio to determine if () should be
4273 printed around operand(s) or not.
4275 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4276 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4277 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4278 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4279 pp_character instead of pp_string for single letter printing.
4281 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4283 * doc/extend.texi: Fix '#pragma GCC option' typo.
4285 2009-01-02 Richard Guenther <rguenther@suse.de>
4287 * doc/install.texi (--enable-checking): Mention different
4289 (--enable-stage1-checking): Document.
4291 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4294 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4295 case to be an error.
4297 2009-01-02 Ben Elliston <bje@au.ibm.com>
4299 * config/fp-bit.h (pack_d): Constify argument.
4300 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4301 (isnan): Constify argument.
4305 (_fpadd_parts): Constify return type.
4306 (_fpmul_parts): Likewise.
4307 (_fpdiv_parts): Likewise.
4309 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4312 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4313 warn about overwriting initializer with side-effects or
4314 -Woverride-init if !IMPLICIT.
4315 (output_init_element): Likewise. Pass IMPLICIT down to
4317 (process_init_element): Add IMPLICIT argument. Pass it down
4318 to output_init_element.
4319 (push_init_element, pop_init_level, set_designator): Adjust
4320 process_init_element callers.
4321 (set_nonincremental_init, set_nonincremental_init_from_string):
4322 Adjust add_pending_init callers.
4323 (output_pending_init_elements): Adjust output_init_element callers.
4324 * c-tree.h (process_init_element): Adjust prototype.
4325 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4326 process_init_element callers.