1 2009-03-31 Joseph Myers <joseph@codesourcery.com>
4 * Makefile.in (USE_GCC_STDINT): Define.
5 (stmp-int-hdrs): Install stdint.h if applicable.
6 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
8 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
9 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
10 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
11 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
12 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
13 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
14 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
15 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
16 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
17 (c_common_nodes_and_builtins): Initialize
18 underlying_wchar_type_node. Do not initialize
19 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
21 (c_stddef_cpp_builtins): Define macros for new types.
22 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
24 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
25 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
26 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
27 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
28 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
29 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
30 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
31 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
32 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
33 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
34 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
35 int16_type_node, int32_type_node, int64_type_node,
36 uint8_type_node, uint16_type_node, c_uint32_type_node,
37 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
38 int_least32_type_node, int_least64_type_node,
39 uint_least8_type_node, uint_least16_type_node,
40 uint_least32_type_node, uint_least64_type_node,
41 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
42 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
43 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
44 uintptr_type_node): Define.
45 * c-cppbuiltin.c (builtin_define_constants,
46 builtin_define_type_minmax): New.
47 (builtin_define_stdint_macros): Define more macros.
48 (c_cpp_builtins): Define more limit macros.
50 (builtin_define_type_max): Define in terms of
51 builtin_define_type_minmax. Remove is_long parameter. All
53 * config.gcc (use_gcc_stdint): Define.
54 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
55 Add newlib-stdint.h for generic targets.
56 * config/glibc-stdint.h, config/newlib-stdint.h,
57 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
58 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
59 * config/score/score.h (UINTPTR_TYPE): Define.
60 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
61 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
62 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
63 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
64 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
65 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
66 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
67 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
68 * config/spu/spu.h (STDINT_LONG32): Define.
69 * configure.ac (use_gcc_stdint): Substitute.
70 * configure: Regenerate.
71 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
72 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
73 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
74 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
75 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
76 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
77 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
78 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
79 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
80 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
81 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
82 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
83 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
84 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
85 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
86 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
87 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
88 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
89 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
90 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
91 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
92 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
93 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
94 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
95 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
96 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
97 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
98 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
99 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
101 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
103 * loop-iv.c (suitable_set_for_replacement): Renamed from
104 simplify_using_assignment; changed to return bool and to accept new
105 args DEST and SRC. Return true iff we find a source/destination pair
106 that can be used to make a replacement, and fill SRC and DEST if so.
107 Remove arg ALTERED. Don't deal with altered regs here. All callers
109 (simplify_using_initial_values): Deal with altered regs here and track
110 more precisely the effect they have on the validity of our expression.
112 * loop-iv.c (simplify_using_condition): A condition of the form
113 (EQ REG CONST) can be used to simply make a substitution.
114 (simplify_using_initial_values): Keep track of conditions we have seen
115 and keep using them to simplify new expressions, while applying the
116 same substitutions to them as to the expression.
118 * simplify-rtx.c (simplify_relational_operation_1): Simplify
119 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
122 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
123 changed. Use this when trying to improve the upper bound.
124 Generate the comparison by using simplify_gen_relational.
126 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
128 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
130 (simplify_using_assignment, simplify_using_initial_values): Call
131 replace_in_expr to make replacements. Call replace_single_def_regs
132 once on the initial version of the expression.
134 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
137 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
139 2009-03-31 Richard Guenther <rguenther@suse.de>
142 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
143 equality comparisons. Fold C - X CMP X if C % 2 == 1.
145 2009-03-31 Richard Guenther <rguenther@suse.de>
147 * tree.h (div_if_zero_remainder): Declare.
148 * fold-const.c (div_if_zero_remainder): Export.
149 * tree-ssa-forwprop.c
150 (forward_propagate_addr_into_variable_array_index): Handle
151 constant array index addition outside of the variable index.
153 2009-03-31 Joseph Myers <joseph@codesourcery.com>
156 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
157 define_splits, floatunssi<mode>2): Require x87 conversions from
158 DImode to be permitted.
160 2009-03-31 Joseph Myers <joseph@codesourcery.com>
162 PR preprocessor/15638
163 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
165 2009-03-31 Richard Guenther <rguenther@suse.de>
169 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
170 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
171 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
172 a separate statement.
173 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
174 (lookup_tmp_var): Likewise.
175 (is_gimple_formal_tmp_or_call_rhs): Remove.
176 (is_gimple_reg_or_call_rhs): Rename to ...
177 (is_gimple_reg_rhs_or_call): ... this.
178 (is_gimple_mem_or_call_rhs): Rename to ...
179 (is_gimple_mem_rhs_or_call): ... this.
180 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
181 DECL_GIMPLE_REG_P only if is_formal is true.
182 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
183 for non-proper post-modify expression gimplification.
184 (gimplify_self_mod_expr): For post-modify expressions gimplify
185 the lvalue to a minimal lvalue.
186 (rhs_predicate_for): Remove formal temp case.
187 (gimplify_modify_expr_rhs): Likewise.
188 (gimplify_addr_expr): Use is_gimple_reg.
189 (gimplify_expr): Remove formal temp cases.
190 (gimple_regimplify_operands): Likewise.
191 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
192 and FILTER_EXPR like constants.
193 * gimple.c (walk_gimple_op): Fix val_only initialization, use
195 (is_gimple_formal_tmp_rhs): Remove.
196 (is_gimple_reg_rhs): Remove special casing.
197 (is_gimple_mem_rhs): Fix.
198 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
199 (is_gimple_formal_tmp_var): Remove.
200 (is_gimple_formal_tmp_reg): Likewise.
201 (is_gimple_min_lval): Allow invariant component ref parts.
202 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
203 is_gimple_formal_tmp_reg): Remove declarations.
204 * tree-cfg.c (verify_expr): Verify that variables with address
205 taken do not have DECL_GIMPLE_REG_P set.
206 * tree-mudflap.c (mf_build_check_statement_for): Use
207 force_gimple_operand instead of gimplify_expr.
209 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
211 * modulo-sched.c (sms_schedule_by_order): Pass the actual
212 schedulable rows to compute_split_row.
214 2009-03-31 Ben Elliston <bje@au.ibm.com>
217 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
220 2009-03-31 Alan Modra <amodra@bigpond.net.au>
222 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
223 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
224 * configure: Regenerate.
225 * config.in: Regenerate.
226 * config/rs6000/rs6000.opt (mtls-markers): Add.
227 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
228 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
229 (tls_ld_aix, tls_ld_sysv): Likewise.
230 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
231 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
233 2009-03-31 Alan Modra <amodra@bigpond.net.au>
235 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
237 2009-03-30 Jan Hubicka <jh@suse.cz>
239 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
241 (tree_remove_unreachable_handlers): Cleanup EH predecestor
242 detection and label handling.
244 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
246 * ira-int.h (ira_allocno): Rename left_conflicts_num to
248 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
249 ALLOCNO_LEFT_CONFLICTS_SIZE.
251 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
252 remove_allocno_from_bucket_and_push,
253 allocno_spill_priority_compare, push_allocnos_to_stack,
254 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
255 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
256 (setup_allocno_left_conflicts_num): Ditto. Rename to
257 setup_allocno_left_conflicts_size.
258 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
259 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
260 setup_allocno_left_conflicts_size instead of
261 setup_allocno_left_conflicts_num.
263 * ira-build.c (ira_create_allocno): Use
264 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
265 ALLOCNO_LEFT_CONFLICTS_NUM.
267 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
269 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
270 instead of DF_LR_OUT.
272 * ira-lives.c (process_bb_node_lives): Ditto.
274 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
275 instead of DF_LR_{OUT,IN}.
277 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
279 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
281 2009-03-30 Jan Hubicka <jh@suse.cz>
283 * except.c (label_to_region_map): Fix thinko.
285 2009-03-30 Steve Ellcey <sje@cup.hp.com>
288 * tree.h (tree_find_value): New declaration.
289 * tree.c (tree_find_value): New function.
290 * varasm.c (assemble_external): Avoid duplicate entries on lists.
292 2009-03-30 Jakub Jelinek <jakub@redhat.com>
295 * c-decl.c (struct c_binding): Add locus field.
296 (bind): Add locus argument, set locus field from it.
297 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
298 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
299 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
300 implicitly_declare, undeclared_variable, lookup_label,
301 declare_label, c_make_fname_decl, c_builtin_function,
302 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
305 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
308 * config/i386/i386.c (classify_argument): Check total size of
311 2009-03-30 Martin Jambor <mjambor@suse.cz>
313 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
314 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
315 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
318 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
319 seen_variable_array_ref while also traversing a union.
321 * tree-inline.c (optimize_inline_calls): Do not call
322 cgraph_node_remove_callees.
323 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
324 (pass_remove_cgraph_callee_edges): New variable.
325 * passes.c (init_optimization_passes): Add
326 pass_remove_cgraph_callee_edges after early inlining and before all
327 late intraprocedural passes.
329 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
331 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
333 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
336 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
338 * combine.c (simplify_comparison): Use have_insn_for.
339 * dojump.c (do_jump): Likewise.
341 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
343 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
344 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
345 sparc_compare_op0 like sparc_compare_emitted used to be handled.
346 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
347 instead of sparc_compare_emitted.
348 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
349 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
350 instead of sparc_compare_emitted.
352 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
354 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
355 enter/exit cfglayout mode.
356 (pass_partition_block): Require it.
357 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
358 (combine_instructions): Track basic blocks instead of labels.
359 (update_cfg_for_uncondjump): New.
360 (try_combine): Use it. Update jumps after rescanning.
361 (pass_combine): Require PROP_cfglayout.
362 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
364 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
366 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
367 Provide/destroy PROP_cfglayout respectively.
368 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
369 * tree-pass.h (PROP_cfglayout): New.
371 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
373 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
374 fold_convert_const_fixed_from_fixed,
375 fold_convert_const_fixed_from_int,
376 fold_convert_const_fixed_from_real, fold_negate_const): Do not
377 set TREE_CONSTANT_OVERFLOW.
378 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
379 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
381 2009-03-30 Ira Rosen <irar@il.ibm.com>
383 * tree-vect-loop-manip.c: New file.
384 * tree-vectorizer.c: Update documentation and included files.
385 (vect_loop_location): Make extern.
386 (rename_use_op): Move to tree-vect-loop-manip.c
387 (rename_variables_in_bb, rename_variables_in_loop,
388 slpeel_update_phis_for_duplicate_loop,
389 slpeel_update_phi_nodes_for_guard1,
390 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
391 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
392 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
393 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
394 find_loop_location): Likewise.
395 (new_stmt_vec_info): Move to tree-vect-stmts.c.
396 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
397 get_vectype_for_scalar_type, vect_is_simple_use,
398 supportable_widening_operation, supportable_narrowing_operation):
400 (bb_in_loop_p): Move to tree-vect-loop.c.
401 (new_loop_vec_info, destroy_loop_vec_info,
402 reduction_code_for_scalar_code, report_vect_op,
403 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
404 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
405 (vect_supportable_dr_alignment): Likewise.
406 * tree-vectorizer.h (tree-data-ref.h): Include.
407 (vect_loop_location): Declare.
408 Reorganize function declarations according to the new file structure.
409 * tree-vect-loop.c: New file.
410 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
411 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
412 * tree-vect-data-refs.c: New file.
413 * tree-vect-patterns.c (timevar.h): Don't include.
414 * tree-vect-stmts.c: New file.
415 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
416 tree-vect-slp.c, tree-vect-loop.c.
417 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
418 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
419 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
420 (tree-vect-analyze.o): Remove.
421 (tree-vect-transform.o): Likewise.
422 (tree-vect-data-refs.o): Add rule.
423 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
424 tree-vect-slp.o): Likewise.
425 (tree-vect-patterns.o): Remove redundant dependencies.
426 (tree-vectorizer.o): Likewise.
427 * tree-vect-slp.c: New file.
429 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
431 * optc-gen.awk: Warn if an option flag has multiple different
434 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
436 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
437 -floop-block): Document dependences on PPL, CLooG and Graphite.
439 2009-03-30 Joseph Myers <joseph@codesourcery.com>
441 PR rtl-optimization/323
442 * c-common.c (c_fully_fold, convert_and_check,
443 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
444 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
445 * c-common.def (EXCESS_PRECISION_EXPR): New.
446 * c-cppbuiltin.c (builtin_define_float_constants): Define
447 constants with enough digits for long double.
448 * c-lex.c (interpret_float): Interpret constant with excess
449 precision where appropriate.
450 * c-opts.c (c_common_post_options): Set
451 flag_excess_precision_cmdline. Give an error for
452 -fexcess-precision=standard for C++ for processors where the
453 option is significant.
454 * c-parser.c (c_parser_conditional_expression): Handle excess
455 precision in condition.
456 * c-typeck.c (convert_arguments): Handle arguments with excess
458 (build_unary_op): Move excess precision outside operation.
459 (build_conditional_expr): Likewise.
460 (build_compound_expr): Likewise.
461 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
462 (build_modify_expr): Handle excess precision in RHS.
463 (convert_for_assignment): Handle excess precision in converted
465 (digest_init, output_init_element, process_init_element): Handle
466 excess precision in initializer.
467 (c_finish_return): Handle excess precision in return value.
468 (build_binary_op): Handle excess precision in operands and add
469 excess precision as needed for operation.
470 * common.opt (-fexcess-precision=): New option.
471 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
472 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
473 For standard excess precision, output explicit conversion to and
474 truncation from XFmode.
475 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
476 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
477 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
478 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
479 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
480 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
481 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
482 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
483 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
484 define_splits, sqrt<mode>2): Disable where appropriate for
485 standard excess precision.
486 * convert.c (convert_to_real): Do not shorten arithmetic to type
487 for which excess precision would be used.
488 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
489 * doc/invoke.texi (-fexcess-precision=): Document option.
490 (-mfpmath=): Correct index entry.
491 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
492 flag_excess_precision): New.
493 * langhooks.c (lhd_post_options): Set
494 flag_excess_precision_cmdline.
495 * opts.c (common_handle_option): Handle -fexcess-precision=.
496 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
497 init_excess_precision): New.
498 (lang_dependent_init_target): Call init_excess_precision.
499 * tree.c (excess_precision_type): New.
500 * tree.h (excess_precision_type): Declare.
502 2009-03-30 Joseph Myers <joseph@codesourcery.com>
505 * c-typeck.c (build_component_ref): Do not copy qualifiers from
506 non-lvalue to component.
508 2009-03-29 Joseph Myers <joseph@codesourcery.com>
510 PR preprocessor/34695
511 * Makefile.in (c-opts.o): Depend on c-tree.h.
512 * c-common.c: Move down include of diagnostic.h.
513 (done_lexing, c_cpp_error): New.
514 * c-common.h (done_lexing): Declare.
515 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
517 * c-opts.c: Include c-tree.h.
518 (c_common_init_options): Set preprocessor error callback.
519 (c_common_handle_option): Do not set preprocessor
520 inhibit_warnings, warnings_are_errors, warn_system_headers,
521 pedantic_errors or inhibit_warnings flags.
522 (c_common_post_options): Do not check cpp_errors (parse_in).
523 (c_common_finish): Do not output dependencies if there were
524 errors. Do not check return value of cpp_finish.
525 * c-ppoutput.c (pp_file_change): Set input_location.
526 * c-tree.h (c_cpp_error): Declare.
527 * diagnostic.c (diagnostic_set_info_translated): Also initialize
529 (diagnostic_build_prefix): Check override_column.
530 * diagnostic.h (diagnostic_info): Add override_column field.
531 (diagnostic_override_column): Define.
533 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
535 * c-common.c (c_expand_expr, c_staticp): Remove.
536 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
537 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
538 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
539 * c-gimplify.c (gimplify_compound_literal_expr,
540 optimize_compound_literals_in_ctor): Remove.
541 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
542 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
543 * c-semantics.c (emit_local_var): Remove.
545 * langhooks-def.h (lhd_expand_expr): Remove.
546 * langhooks.c (lhd_expand_expr): Remove.
547 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
549 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
550 handling from c-semantics.c; don't call into langhook.
551 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
552 * gimplify.c (gimplify_compound_literal_expr,
553 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
554 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
555 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
556 as was done in c-gimplify.c.
557 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
558 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
559 Move from c-common.h.
560 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
562 * tree.c (staticp): Do not call langhook.
563 * langhooks.c (lhd_staticp): Delete.
564 * langhooks-def.h (lhd_staticp): Delete prototype.
565 (LANG_HOOKS_STATICP): Delete.
566 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
568 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
569 instead of DECL_STMTs.
571 2009-03-29 Joseph Myers <joseph@codesourcery.com>
579 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
581 (fold_call_expr): Return a NOP_EXPR from folding rather than the
582 contained expression.
583 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
584 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
585 conditional expressions for C.
586 (decl_constant_value_for_optimization): Move from
587 decl_constant_value_for_broken_optimization in c-typeck.c. Check
588 whether optimizing and that the expression is a VAR_DECL not of
589 array type instead of doing such checks in the caller. Do not
590 check pedantic. Call gcc_unreachable for C++.
591 * c-common.def (C_MAYBE_CONST_EXPR): New.
592 * c-common.h (c_fully_fold, c_save_expr,
593 decl_constant_value_for_optimization): New prototypes.
594 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
595 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
596 EXPR_INT_CONST_OPERANDS): Define.
597 * c-convert.c (convert): Strip nops from expression.
598 * c-decl.c (groktypename): Take extra parameters expr and
599 expr_const_operands. Update call to grokdeclarator.
600 (start_decl): Update call to grokdeclarator. Add statement for
601 expressions used in type of decl.
602 (grokparm): Update call to grokdeclarator.
603 (push_parm_decl): Update call to grokdeclarator.
604 (build_compound_literal): Add parameter non_const and build a
605 C_MAYBE_COSNT_EXPR if applicable.
606 (grokdeclarator): Take extra parameters expr and
607 expr_const_operands. Track expressions used in declaration
608 specifiers and declarators. Fold array sizes and track whether
609 they are constant expressions and whether they are integer
610 constant expressions.
611 (parser_xref_tag): Set expr and expr_const_operands fields in
613 (grokfield): Update call to grokdeclarator.
614 (start_function): Update call to grokdeclarator.
615 (build_null_declspecs): Set expr and expr_const_operands fields in
617 (declspecs_add_type): Handle expressions in typeof specifiers.
618 * c-parser.c (c_parser_declspecs): Set expr and
619 expr_const_operands fields for declaration specifiers.
620 (c_parser_enum_specifier): Likewise.
621 (c_parser_struct_or_union_specifier): Likewise.
622 (c_parser_typeof_specifier): Likewise. Update call to
623 groktypename. Fold expression as needed. Return expressions with
624 type instead of adding statements.
625 (c_parser_attributes): Update calls to c_parser_expr_list.
626 (c_parser_statement_after_labels): Fold expression before passing
627 to objc_build_throw_stmt.
628 (c_parser_condition): Fold expression.
629 (c_parser_asm_operands): Fold expression.
630 (c_parser_conditional_expression): Use c_save_expr. Update call
631 to build_conditional_expr.
632 (c_parser_alignof_expression): Update call to groktypename.
633 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
634 original_code. Fold expression argument of va_arg. Create
635 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
636 argument to va_arg. Update calls to groktypename. Fold array
637 index for offsetof. Verify that first argument to
638 __builtin_choose_expr has integer type.
639 (c_parser_postfix_expression_after_paren_type): Update calls to
640 groktypename and build_compound_literal. Handle expressions with
641 side effects in type name.
642 (c_parser_postfix_expression_after_primary): Update call to
643 c_parser_expr_list. Set original_code for calls to
644 __builtin_constant_p.
645 (c_parser_expr_list): Take extra parameter fold_p. Fold
646 expressions if requested.
647 (c_parser_objc_type_name): Update call to groktypename.
648 (c_parser_objc_synchronized_statement): Fold expression.
649 (c_parser_objc_receiver): Fold expression.
650 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
651 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
652 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
653 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
654 (struct c_typespec): Add elements expr and expr_const_operands.
655 (struct c_declspecs): Add elements expr and expr_const_operands.
656 (groktypename, build_conditional_expr, build_compound_literal):
658 (in_late_binary_op): Declare.
659 * c-typeck.c (note_integer_operands): New function.
660 (in_late_binary_op): New variable.
661 (decl_constant_value_for_broken_optimization): Move to c-common.c
662 and rename to decl_constant_value_for_optimization.
663 (default_function_array_conversion): Do not strip nops.
664 (default_conversion): Do not call
665 decl_constant_value_for_broken_optimization.
666 (build_array_ref): Do not fold result.
667 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
668 result when operand is a VLA.
669 (c_expr_sizeof_type): Update call to groktypename. Handle
670 expressions included in type name. Use C_MAYBE_CONST_EXPR for
671 result when operand names a VLA type.
672 (build_function_call): Update call to build_compound_literal.
673 Only fold result for calls to __builtin_* functions. Strip
674 NOP_EXPR from INTEGER_CST returned from such functions. Fold
675 the function designator.
676 (convert_arguments): Fold arguments. Update call to
677 convert_for_assignment.
678 (build_unary_op): Handle increment and decrement of
679 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
680 decrement earlier. Fold operand of increment and decrement.
681 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
682 built for integer operand. Wrap returns that are INTEGER_CSTs
683 without being integer constant expressions or that have integer
684 constant operands without being INTEGER_CSTs.
685 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
686 (build_conditional_expr): Add operand ifexp_bcp. Track whether
687 result is an integer constant expression or can be used in
688 unevaluated parts of one and avoid folding and wrap as
689 appropriate. Fold operands before possibly doing -Wsign-compare
691 (build_compound_expr): Wrap result for C99 if operands can be used
692 in integer constant expressions.
693 (build_c_cast): Update call to digest_init. Do not ignore
694 overflow from casting floating-point constants to integers. Wrap
695 results that could be confused with integer constant expressions,
696 null pointer constants or floating-point constants.
697 (c_cast_expr): Update call to groktypename. Handle expressions
698 included in type name.
699 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
700 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
701 Update calls to convert_for_assignment.
702 (convert_for_assignment): Take new parameter
703 null_pointer_constant. Do not strip nops or call
704 decl_constant_value_for_broken_optimization. Set
705 in_late_binary_op for conversions to boolean.
706 (store_init_value): Update call to digest_init.
707 (digest_init): Take new parameter null_pointer_constant. Do not
708 call decl_constant_value_for_broken_optimization. pedwarn for
709 initializers not constant expressions. Update calls to
710 convert_for_assignment.
711 (constructor_nonconst): New.
712 (struct constructor_stack): Add nonconst element.
713 (really_start_incremental_init, push_init_level, pop_init_level):
714 Handle constructor_nonconst and nonconst element.
715 (set_init_index): Call constant_expression_warning for array
717 (output_init_element): Fold value. Set constructor_nonconst as
718 applicable. pedwarn for initializers not constant expressions.
719 Update call to digest_init. Call constant_expression_warning
720 where constant initializers are required.
721 (process_init_element): Use c_save_expr.
722 (c_finish_goto_ptr): Fold expression.
723 (c_finish_return): Fold return value. Update call to
724 convert_for_assignment.
725 (c_start_case): Fold switch expression.
726 (c_process_expr_stmt): Fold expression.
727 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
728 ensure statement expression is not evaluated in constant expression.
729 (build_binary_op): Track whether results are integer constant
730 expressions or may occur in such, disable folding and wrap results
731 as applicable. Fold operands for -Wsign-compare warnings unless
733 (c_objc_common_truthvalue_conversion): Handle results folded to
734 integer constants that are not integer constant expressions.
735 * doc/extend.texi: Document when typeof operands are evaluated,
736 that condition of __builtin_choose_expr is an integer constant
737 expression, and more about use of __builtin_constant_p in
740 2009-03-29 Richard Guenther <rguenther@suse.de>
742 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
743 propagate addresses of array references.
745 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
747 * regmove.c (perhaps_ends_bb_p): Remove.
748 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
749 from INSN and check that the main loop stays within that basic block.
750 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
751 (regmove_forward_pass): Split out from regmove_optimize. Use
752 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
753 (regmove_backward_pass): Split out from regmove_optimize. Use
754 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
755 (regmove_optimize): Simplify.
757 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
760 * config/i386/i386.c (classify_argument): Ignore flexible array
761 member in struct and warn ABI change.
763 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
765 * config/i386/i386-protos.h (ix86_agi_dependent): New.
767 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
768 (ix86_adjust_cost): Updated.
770 2009-03-29 Jan Hubicka <jh@suse.cz>
773 * tree-pass.h (pass_cleanup_eh): New function.
774 (remove_unreachable_regions): Break code handling RTL
775 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
776 that can not be reached by runtime.
777 (can_be_reached_by_runtime): New function.
778 (label_to_region_map): New function.
779 (num_eh_regions): New function.
780 (rtl_remove_unreachable_regions): New function.
781 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
782 (remove_eh_region): New function.
783 * except.h: Include sbitmap and vecprim.
784 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
785 num_eh_regions): Declare.
786 * passes.c (init_optimization_passes): Schedule cleanup_eh.
787 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
788 * tree-eh.c (tree_remove_unreachable_handlers): New function.
789 (tree_empty_eh_handler_p): New function.
790 (cleanup_empty_eh): New function.
791 (cleanup_eh): New function.
792 (pass_cleanup_eh): New function.
794 2009-03-29 Jan Hubicka <jh@suse.cz>
796 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
799 2009-03-29 Jan Hubicka <jh@suse.cz>
801 * except.c (dump_eh_tree): Dump all datastructures.
803 2009-03-29 Jan Hubicka <jh@suse.cz>
805 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
806 (duplicate_eh_regions_1): Likewise.
807 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
808 vector; call EH verification.
809 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
810 Be ready for region being removed.
812 2009-03-29 Jan Hubicka <jh@suse.cz>
814 * bitmap.c (bitmap_last_set_bit): New function.
815 * bitmap.h (bitmap_last_set_bit): Declare.
817 2009-03-29 David Ayers <ayers@fsfe.org>
820 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
821 by calling objc_compare_types and surpress warnings about
822 incompatible C pointers that are compatible ObjC pointers.
824 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
826 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
827 call initialize_inline_failed.
828 (initialize_inline_failed): Move it from here ...
829 * cgraph.c (initialize_inline_failed): ... to here.
830 (cgraph_create_edge): Call initialize_inline_failed rather than
831 setting inline_failed directly.
833 2009-03-29 Ben Elliston <bje@au.ibm.com>
836 * sysv4.opt (msdata): Improve comment.
837 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
838 * sysv4.h (SVR4_ASM_SPEC): Likewise.
840 2009-03-29 Ben Elliston <bje@au.ibm.com>
843 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
844 load and store attributes.
846 2009-03-29 Ben Elliston <bje@au.ibm.com>
848 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
849 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
850 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
851 * doc/extend.texi (X86 Built-in Functions): Add index entries for
852 __builtin_infq and __builtin_huge_valq.
854 2009-03-28 Anatoly Sokolov <aesok@post.ru>
856 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
858 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
859 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
861 2009-03-28 Xinliang David Li <davidxl@google.com>
863 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
864 (do_dbg_cnt): New function.
866 2009-03-28 Jan Hubicka <jh@suse.cz>
868 Merge from pretty-ipa:
870 2009-03-27 Jan Hubicka <jh@suse.cz>
872 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
873 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
874 * passes.c (function_called_by_processed_nodes_p): New.
875 * ipa-pure-const.c (check_call): Fix handling of operands.
876 (analyze_function): Dump debug output for skipped bodies.
877 (local_pure_const): Use function_called_by_processed_nodes_p.
878 * dwarf2out.c (reference_to_unused): Use output.
879 * passes.c (do_per_function_toporder): Likewise.
881 2008-11-12 Jan Hubicka <jh@suse.cz>
883 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
884 * ipa-pure-const.c (funct_state_d): Add can throw field; make
885 state_set_in_source enum
886 (check_decl): Ignore memory tags; do not set fake looping flags;
888 (check_operand, check_tree, check_rhs_var, check_lhs_var,
889 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
890 (check_call, analyze_function): Rewrite.
892 (add_new_function): Update call of analyze_function.
893 (generate_summary): Add call of analyze_function.
894 (propagate): Propagate can_throw; handle state_set_in_source correctly.
895 (local_pure_const): New function.
896 (pass_local_pure_const): New pass.
897 * ipa-inline.c (inline_transform): Set after_inlining.
898 * tree-eh.c (stmt_can_throw_external): New.
899 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
900 work with aliasing built.
901 * tree-flow.h (stmt_can_throw_external): New.
902 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
903 and local pure/const pass in early and late optimization queue.
905 2009-03-28 Martin Jambor <mjambor@suse.cz>
907 * fold-const.c (get_pointer_modulus_and_residue): New parameter
909 (fold_binary): Allow function decl aligment consideration is the
910 second argument is integer constant one.
911 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
912 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
913 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
915 2009-03-28 Jan Hubicka <jh@suse.cz>
917 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
918 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
919 * function.h (rtl_data): Add nothrow flag.
920 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
921 set DECL_NOTHROW for AVAILABLE functions.
923 2009-03-28 Jakub Jelinek <jakub@redhat.com>
925 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
926 following vector keyword has expansion starting with pixel or bool
927 keyword, expand vector to __vector and pixel or bool to __pixel or
931 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
932 warn_if_disallowed_function_p): Removed.
933 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
934 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
935 warning_if_disallowed_function_p.
936 * flags.h (warn_if_disallowed_function_p,
937 warn_disallowed_functions): Removed.
938 * common.opt (Wdisallowed-function-list=): Removed.
939 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
941 2009-03-28 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/38723
944 * tree-ssa-pre.c (compute_avail): Add all default definitions to
947 2009-03-28 Jan Hubicka <jh@suse.cz>
949 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
950 test introduced by my previous patch.
952 2009-03-28 Richard Guenther <rguenther@suse.de>
954 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
955 the PHIs value undefined.
957 2009-03-28 Jan Hubicka <jh@suse.cz>
959 * tree-pass.h (pass_fixup_cfg): New pass.
960 * ipa-inline.c (inline_transform): Set
961 always_inline_functions_inlined/after_inlining.
962 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
963 (pass_fixup_cfg): New pass.
964 * passes.c (init_optimization_passes): Add fixup_cfg.
966 2009-03-28 Richard Guenther <rguenther@suse.de>
968 PR tree-optimization/38458
969 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
970 argument use the arguments copy-of value.
972 2009-03-28 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/38180
975 * tree-ssa-ccp.c (get_default_value): Simplify.
976 (likely_value): Likewise.
977 (surely_varying_stmt_p): Properly handle VOP case.
978 (ccp_initialize): Likewise.
979 (ccp_fold): Handle propagating through *&.
980 (fold_const_aggregate_ref): Also handle decls.
982 2009-03-28 Jan Hubicka <jh@suse.cz>
984 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
985 * cgraph.h (cgraph_node): Likewise.
986 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
987 (cgraph_reset_node): Use process flag.
988 (cgraph_mark_functions_to_output): Likewise.
989 (cgraph_expand_function): Likewise.
990 (cgraph_expand_all_functions): Likewise.
991 (cgraph_output_in_order): Likewise.
992 * dwarf2out.c (reference_to_unused): Likewise.
993 * passes.c do_per_function_toporder): Likewise.
995 2009-03-28 Jan Hubicka <jh@suse.cz>
997 Bring from lto-branch:
999 2008-09-03 Doug Kwan <dougkwan@google.com>
1001 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1002 enums instead of reason strings.
1003 * cgraph.c (cgraph_create_edge): Same.
1004 (cgraph_inline_failed_string): New function.
1005 * cgraph.h (cgraph_inline_failed_t): New enum type.
1006 (cgraph_inline_failed_string): New prototype.
1007 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1008 char pointer to cgraph_inline_failed_t.
1009 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1010 (cgraph_default_inline_p): Ditto.
1011 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1012 to cgraph_inline_failed_t pointer.
1013 * cif-code.def: New file.
1014 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1016 (cgraph_check_inline_limits): Change type of REASON to pointer to
1017 cgraph_inline_failed_t. Replace reason strings with enums.
1018 (cgraph_default_inline_p): Ditto.
1019 (cgraph_recursive_inlining_p): Ditto.
1020 (update_caller_keys): Change type of FAILED_REASON to
1021 cgraph_inline_failed_t.
1022 (cgraph_set_inline_failed): Change type of REASON to pointer to
1023 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1024 convert enums to strings for text output.
1025 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1026 to be of type cgraph_inline_failed_t. Replace reason strings with
1027 enums. Call cgraph_inline_failed_string to covert enums
1028 to strings for text output.
1029 (cgraph_decide_inlining): Replace reason strings with enums.
1030 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1031 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1033 * tree-inline.c (expand_call_inline): Change type of REASON
1034 to cgraph_inline_failed_t. Replace reason strings with enums.
1035 Call cgraph_inline_failed_string for text output.
1036 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1039 2009-03-28 Jan Hubicka <jh@suse.cz>
1041 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1042 cgraph_clone_node): Remove master clone handling.
1043 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1044 * cgraph.h (master_clone): Remove.
1045 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1046 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1047 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1049 2009-03-28 Jan Hubicka <jh@suse.cz>
1051 * cgraph.c (cgraph_function_body_availability): Functions declared
1052 inline are always safe to assume that it is not going to be replaced.
1054 2009-03-28 Richard Guenther <rguenther@suse.de>
1056 PR tree-optimization/38513
1057 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1058 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1059 EXC_PTR_EXPR and FILTER_EXPR.
1060 (get_ref_from_reference_ops): Likewise.
1062 2009-03-28 Richard Guenther <rguenther@suse.de>
1064 PR tree-optimization/38968
1065 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1066 Use FLOOR_MOD_EXPR to compute misalignment.
1068 2009-03-28 Richard Guenther <rguenther@suse.de>
1070 PR tree-optimization/37795
1071 * tree.h (combine_comparisons): Declare.
1072 * fold-const.c (combine_comparisons): Export.
1073 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1075 (ifcombine_iforif): Use combine_comparisons.
1077 2009-03-28 Jan Hubicka <jh@suse.cz>
1079 * tree-eh.c (inlinable_call_p): New function.
1080 (make_eh_edges): Use it.
1081 (verify_eh_edges): Use it.
1082 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1083 * except.c (reachable_next_level): Add inlinable_function argument
1084 (sjlj_find_directly_reachable_regions): Update.
1085 (add_reachable_handler): Do not set saw_any_handlers.
1086 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1087 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1088 Add new inlinable call parameter.
1089 (can_throw_internal, can_throw_external): Update.
1090 * except.h (can_throw_internal_1, can_throw_external_1,
1091 foreach_reachable_handler): Update declaration.
1093 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1095 * config/arm/t-arm-coff, config/h8300/coff.h,
1096 config/i386/i386-aout.h, config/i386/i386-coff.h,
1097 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1098 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1099 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1100 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1101 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1102 sys-types.h: Remove.
1103 * Makefile.in: Remove protoize and fixproto support and references
1105 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1106 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1108 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1109 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1110 unprotoize$(exeext).
1111 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1112 (.PHONY): Don't depend on proto.
1113 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1114 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1115 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1116 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1117 build/gen-protos.o, build/scan.o, xsys-protos.h,
1118 build/fix-header$(build_exeext), build/fix-header.o,
1119 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1120 stmp-install-fixproto): Remove.
1121 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1122 SYSCALLS.c or fixproto files.
1123 (install-common): Don't install protoize.
1124 (install-headers-tar, install-headers-cpio, install-headers-cp):
1125 Don't depend on $(STMP_FIXPROTO).
1126 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1127 install fixproto files or write out fixproto settings.
1128 (uninstall): Don't uninstall protoize.
1129 * config.gcc (use_fixproto): Remove.
1130 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1131 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1132 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1133 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1134 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1135 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1136 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1137 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1138 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1139 * config/t-vxworks (STMP_FIXPROTO): Remove.
1140 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1141 STMP_FIXPROTO): Remove.
1142 * config.in, configure: Regenerate.
1143 * crtstuff.c (gid_t, uid_t): Don't undefine.
1144 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1145 (arm-*-coff, arm-*-aout: Remove target entries.
1146 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1147 Remove mention of AIX 4.1.
1148 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1149 * doc/invoke.texi (Running Protoize): Remove.
1150 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1151 (Protoize Caveats): Remove.
1152 * tsystem.h: Update comments on headers assumed to exist.
1154 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1156 * genautomata.c: Add a new year to the copyright. Add a new
1158 (struct insn_reserv_decl): Add comments for member bypass_list.
1159 (find_bypass): Remove.
1160 (insert_bypass): New.
1161 (process_decls): Use insert_bypass.
1162 (output_internal_insn_latency_func): Output all bypasses with the
1163 same input insn in one switch case.
1165 * rtl.def (define_bypass): Describe bypass choice.
1166 * doc/md.texi (define_bypass): Ditto.
1168 2009-03-27 Richard Guenther <rguenther@suse.de>
1170 * gimplify.c (mark_addressable): Export.
1171 * tree-flow.h (mark_addressable): Declare.
1172 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1173 * tree-ssa.c (verify_phi_args): Verify that address taken
1174 variables have TREE_ADDRESSABLE set.
1176 2009-03-27 Richard Guenther <rguenther@suse.de>
1178 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1179 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1180 Do not mark decls TREE_ADDRESSABLE.
1181 (build_fold_addr_expr): Adjust.
1182 (fold_addr_expr): Remove.
1183 (fold_unary): Use build_fold_addr_expr.
1184 (fold_comparison): Likewise.
1185 (split_address_to_core_and_offset): Likewise.
1186 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1188 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1189 (gimplify_modify_expr_to_memcpy): Mark source and destination
1191 * omp-low.c (create_omp_child_function): Mark the object decl
1193 (lower_rec_input_clauses): Mark the var we take the address of
1195 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1197 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1200 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1201 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1203 2009-03-27 Richard Guenther <rguenther@suse.de>
1205 PR tree-optimization/39120
1206 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1208 (handle_lhs_call): Process return constraints. Add escape
1209 constraints if necessary.
1210 (handle_const_call): Fill out return constraints. Make nested
1211 case more precise. Avoid consttmp if possible.
1212 (handle_pure_call): Fill out return constraints. Avoid
1213 callused if possible.
1214 (find_func_aliases): Simplify call handling.
1216 2009-03-27 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/39120
1219 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1220 as a representative.
1221 (solve_graph): Do propagate CALLUSED.
1222 (handle_pure_call): Use a scalar constraint from CALLUSED for
1224 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1227 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1230 * c-common.c (handle_aligned_attribute): Properly check alignment
1231 overflow. Use (1U << i) instead of (1 << i).
1233 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1235 * expr.h (get_mem_align_offset): Updated.
1237 * tree.h (tree_decl_common): Change align to "unsigned int" and
1238 move it before pointer_alias_set.
1240 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1241 Jakub Jelinek <jakub@redhat.com>
1244 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1245 gr_register_operand with gr_reg_or_0_operand.
1246 (cmpxchg_rel_di): Likewise.
1247 (sync_lock_test_and_set<mode>): Likewise.
1249 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1251 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1252 (true_regnum): Likewise.
1254 * rtlanal.c (subreg_info): Moved to ...
1255 * rtl.h (subreg_info): Here. New.
1256 (subreg_get_info): New.
1258 * rtlanal.c (subreg_get_info): Make it extern.
1260 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1263 * config/i386/i386.c (ix86_abi): New.
1264 (override_options): Handle -mabi=.
1265 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1266 (ix86_call_abi_override): Likewise.
1267 (init_cumulative_args): Likewise.
1268 (function_arg_advance): Likewise.
1269 (function_arg_64): Likewise.
1270 (function_arg): Likewise.
1271 (ix86_pass_by_reference): Likewise.
1272 (ix86_function_value_regno_p): Likewise.
1273 (ix86_build_builtin_va_list_abi): Likewise.
1274 (setup_incoming_varargs_64): Likewise.
1275 (is_va_list_char_pointer): Likewise.
1276 (ix86_init_machine_status): Likewise.
1277 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1278 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1279 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1280 (ix86_function_abi): Make it static and return enum calling_abi.
1281 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1283 (ix86_fn_abi_va_list): Updated.
1285 * config/i386/i386.h (ix86_abi): New.
1286 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1287 (CONDITIONAL_REGISTER_USAGE): Likewise.
1288 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1289 (machine_function): Likewise.
1291 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1293 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1294 (STACK_BOUNDARY): Likewise.
1295 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1297 * config/i386/i386.opt (mabi=): New.
1299 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1300 return enum calling_abi.
1301 (ix86_function_type_abi): Likewise.
1302 (ix86_function_abi): Removed.
1304 * doc/invoke.texi: Document -mabi= option for x86.
1306 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1308 * builtins.c (real_dconstp): Delete.
1309 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1311 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1312 Jakub Jelinek <jakub@redhat.com>
1315 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1316 (gen_subprogram_die): When a function is explicit, generate the
1317 DW_AT_explicit attribute.
1318 * langhooks.h (struct lang_hooks_for_decls): Add
1319 function_decl_explicit_p langhook.
1320 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1321 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1323 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1325 * builtins.c (fold_builtin_memory_op): Optimize memmove
1326 into memcpy if we can prove source and destination don't overlap.
1328 * tree-inline.c: Include gt-tree-inline.h.
1329 (clone_fn_id_num): New variable.
1330 (clone_function_name): New function.
1331 (tree_function_versioning): Use it.
1332 * Makefile.in (GTFILES): Add tree-inline.c.
1334 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1336 * BASE-VER: Change to 4.5.0.
1338 2009-03-27 Xinliang David Li <davidxl@google.com>
1340 PR tree-optimization/39557
1341 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1343 2009-03-27 Xinliang David Li <davidxl@google.com>
1345 PR tree-optimization/39548
1346 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1349 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1351 * c-common.c (pointer_int_sum): Use %wd on return from
1354 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1356 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1357 on return from tree_low_cst.
1359 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1362 * ginclude/stdarg.h (va_copy): Define also for
1363 __GXX_EXPERIMENTAL_CXX0X__.
1365 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1368 * builtins.h (c_strlen): Do not warn here.
1369 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1370 * c-common.c (pointer_int_sum): Take an explicit location.
1371 Warn about offsets out of bounds.
1372 * c-common.h (pointer_int_sum): Adjust declaration.
1374 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1376 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1379 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1382 * opts.c (warn_if_disallowed_function_p): Don't assume
1383 get_callee_fndecl must return non-NULL.
1385 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1387 PR rtl-optimization/39522
1388 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1389 when reg_reloaded_valid is set.
1391 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1393 * config/spu/divv2df3.c: New file.
1394 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1395 (DPBIT_FUNCS): Filter out _div_df.
1397 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1399 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1400 a jump insn, count that jump in the distance to the loop start.
1402 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1405 * config/sh/sh.c (calc_live_regs): Fix condition for global
1406 registers except PIC_OFFSET_TABLE_REGNUM.
1408 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1411 * doc/invoke.texi (-mconsole): New.
1415 (-mnop-fun-dllimport): New.
1419 (sub section "i386 and x86-64 Windows Options"): New.
1421 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1423 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1424 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1426 2009-03-25 Richard Guenther <rguenther@suse.de>
1429 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1432 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1434 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1435 neither of haifa/selective schedulers are working.
1437 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1439 * doc/invoke.texi (Debugging Options): Fix description of
1440 -fno-merge-debug-strings.
1442 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1444 * config/cris/libgcc.ver: New version-script.
1445 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1447 * configure.ac <GAS features, nop mnemonic>: Add pattern
1448 crisv32-*-* for "nop".
1449 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1450 * configure: Regenerate.
1452 2009-03-24 Ira Rosen <irar@il.ibm.com>
1454 PR tree-optimization/39529
1455 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1456 mark_sym_for_renaming for the tag copied to the new vector
1459 2009-03-24 Arthur Loiret <aloiret@debian.org>
1461 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1462 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1463 EXTRA_SPEC_FUNCTIONS.
1464 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1465 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1466 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1467 -march and -mtune options.
1469 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1471 * config/m68k/t-rtems: Add m5329 multilib.
1473 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1474 Jakub Jelinek <jakub@redhat.com>
1477 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1480 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1483 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1484 instead of c_parser_expression_conv, if original_code isn't one of the
1485 4 allowed comparison codes, fail.
1487 2009-03-23 Richard Guenther <rguenther@suse.de>
1489 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1490 * tree.h (struct tree_type): Likewise.
1491 * reload.h (struct insn_chain): Likewise.
1492 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1493 * function.h (struct function): Likewise.
1494 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1496 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1498 PR tree-optimization/39516
1499 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1501 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1503 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1504 should be set true if BITS_PER_WORD of target is bigger than 32
1506 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1508 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1509 Translate -B-options to -rpath-link. Correct existing
1510 rpath-link and conditionalize on !nostdlib.
1512 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1514 * doc/extend.texi (Function Attributes, Variable Attributes):
1516 * doc/invoke.texi (Debugging Options, Optimize Options)
1517 (i386 and x86-64 Options, MCore Options): Likewise.
1519 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1522 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1523 it for block local namespace aliases.
1524 (gen_decl_die): Pass context_die to gen_namespace_die.
1526 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1529 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1530 minimum or maximum value.
1532 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1534 * reginfo.c (globalize_reg): Recompute derived reg sets.
1536 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1539 * libgcc2.c (mprotect): Do not use signed arguments for
1540 VirtualProtect, use DWORD arguments. Also fix the 'may
1541 be used uninitialized' warning for the np variable.
1543 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1546 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1547 functions using regparm calling conventions when not optimizing.
1548 (ix86_function_sseregparm): Similarly for sseregparm calling
1551 2009-03-19 Li Feng <nemokingdom@gmail.com>
1554 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1555 dependence if the first conflict is after niter iterations.
1557 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1560 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1561 functions with dynamic stack-pointer adjustments.
1563 2009-03-19 Ben Elliston <bje@au.ibm.com>
1565 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1566 option; change to -msdata=data.
1568 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1570 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1573 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1576 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1578 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1580 * doc/invoke.texi (Code Gen Options): Expand discussion of
1583 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1585 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1586 * matrix-reorg.c (struct matrix_info): Likewise.
1587 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1588 * rtl.h (struct mem_attrs): Likewise.
1589 * df.h (struct df): Likewise.
1590 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1591 * ira-int.h (struct ira_allocno): Likewise.
1592 * df-scan.c (struct df_collection_rec): Likewise.
1593 * ira.c (struct equivalence): Likewise.
1594 * function.c (struct temp_slot): Likewise.
1595 * cfgloop.h (struct loop): Likewise.
1598 * function.c (use_register_for_decl): When not optimizing, disregard
1599 register keyword for variables with types containing methods.
1601 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1604 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1605 (is_simple_operand): Call contains_component_ref_p before calling data
1606 reference analysis that would fail on COMPONENT_REFs.
1608 * tree-vrp.c (search_for_addr_array): Fix formatting.
1610 2009-03-18 Richard Guenther <rguenther@suse.de>
1612 * tree-vect-transform.c (vect_loop_versioning): Fold the
1613 generated comparisons.
1614 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1615 (slpeel_tree_peel_loop_to_edge): Likewise.
1617 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1620 * opts.c (print_specific_help): In addition to `undocumented',
1621 accept `separate' and `joined' flags if passed alone. Describe
1622 output by the first matched one of those.
1623 (common_handle_option): Skip over empty strings.
1624 * gcc.c (display_help): Fix help string for `--help='.
1625 * doc/invoke.texi (Option Summary, Overall Options): With
1626 `--help=', classes and qualifiers can both be repeated, but
1627 only the latter can be negated. One should not pass only
1628 negated qualifiers. Fix markup and examples.
1631 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1633 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1634 and -fhelp=separate.
1636 2009-03-17 Jing Yu <jingyu@google.com>
1639 * function.h (struct rtl_data): Move is_thunk from here...
1640 (struct function): ...to here.
1641 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1642 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1644 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1646 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1647 (alpha_output_function_end_prologue): Likewise.
1648 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1649 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1650 (rs6000_output_function_epilogue): Likewise.
1651 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1653 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1656 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1657 from different units in a single alternative.
1658 (*truncdfsf_i387): Ditto.
1659 (*truncxfsf2_mixed): Ditto.
1660 (*truncxfdf2_mixed): Ditto.
1662 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1664 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1665 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1668 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1669 unused non-artificial variables when not optimizing.
1672 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1673 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1674 NAMESPACE_DECL in its DECL_INITIAL.
1677 * optabs.c (set_user_assembler_libfunc): New function.
1678 * expr.h (set_user_assembler_libfunc): New prototype.
1679 * c-common.c: Include libfuncs.h.
1680 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1681 for memcmp, memset, memcpy, memmove and abort.
1682 * Makefile.in (c-common.o): Depend on libfuncs.h.
1685 * dwarf2out.c (gen_inlined_enumeration_type_die,
1686 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1687 gen_tagged_type_instantiation_die): Removed.
1688 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1691 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1694 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1696 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1697 (check-parallel-%): Ditto.
1698 (check-consistency): Ditto.
1700 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1702 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1703 local variable rhs by NULL_TREE.
1705 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1708 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1710 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1713 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1715 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1718 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1719 for ms->sysv ABI calls only in 64bit mode.
1721 * config/i386/i386.md (untyped_call): Support 32bit.
1723 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1725 * doc/extend.texi: Replace x86_65 with x86_64.
1727 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1729 PR tree-optimization/39455
1730 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1731 mismatches for POINTER_TYPE_P (type).
1732 (number_of_iterations_le): Likewise.
1734 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1736 * config/picochip/picochip.c: Removed profiling support.
1737 * config/picochip/picochip.md: Removed profiling instruction.
1738 * config/picochip/picochip.h: Removed profiling builtin.
1740 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1742 * doc/install.texi (--with-host-libstdcxx): Document.
1744 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1747 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1748 generate a warning if the function name does not begin with
1749 "__vector" and the function has either the 'signal' or 'interrupt'
1750 attribute, from here to ...
1751 (avr_declare_function_name): ...here. New function.
1752 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1753 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1755 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1758 * cse.c (fold_rtx): Don't modify original const_arg1 when
1759 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1760 separate variable instead.
1761 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1762 from out of range shift counts.
1763 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1765 2008-03-13 Catherine Moore <clm@codesourcery.com>
1767 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1768 diagnostic.h with $(DIAGNOSTIC_H).
1770 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1773 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1775 * config/i386/sync.md (sync_compare_and_swap<mode>,
1776 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1777 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1779 (sync_double_compare_and_swapdi_pic,
1780 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1781 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1783 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1786 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1788 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1791 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1792 (avx_addsubv4df3): Likewise.
1793 (*avx_addsubv4sf3): Likewise.
1794 (sse3_addsubv4sf3): Likewise.
1796 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1799 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1801 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1804 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1805 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1806 registers for allocnos created from user-defined variables.
1808 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1811 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1812 of non-integer mode as well.
1814 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1816 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1817 for functions for which the parameter types are unknown.
1819 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1822 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1823 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1824 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1825 * config/i386/i386.c (ix86_local_alignment): For
1826 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1827 long long variables on the stack to avoid dynamic realignment.
1828 Allow the first argument to be a decl rather than type.
1829 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1831 2009-03-11 Nick Clifton <nickc@redhat.com>
1834 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1836 Add description to mno-lsim option.
1837 * config/mcore/mcore.h: Remove comment about deprecated m4align
1839 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1840 * doc/invoke.texi: Add description of mno-lsim and
1841 mstack-increment options.
1843 * config/fr30/fr30.opt: Document the -mno-lsim option.
1844 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1845 and -mno-lsim options.
1847 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1849 * fold-const.c (fold_comparison): Only call fold_inf_compare
1850 if the mode supports infinities.
1852 2009-03-11 Jason Merrill <jason@redhat.com>
1855 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1856 end already did. Notice GIMPLE_CALL modifications of the result.
1857 Don't copy debug information from an ignored decl or a decl from
1860 2009-03-10 Richard Guenther <rguenther@suse.de>
1861 Nathan Froyd <froydnj@codesourcery.com>
1864 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1865 (__divMODE3): Likewise.
1867 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1869 PR tree-optimization/39394
1870 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1871 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1873 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1875 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1876 inline asms for register asm ("") declarations.
1878 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1880 * fold-const.c (fold_unary): Fix comment.
1882 2009-03-07 Jan Hubicka <jh@suse.cz>
1885 * tree-inline.c (setup_one_parameter): Do replacement of const
1886 argument by constant in SSA form.
1888 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1891 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1892 determine alignment passed to assign_stack_local.
1893 (assign_parms_unsplit_complex): Likewise.
1894 * except.c (sjlj_build_landing_pads): Likewise.
1896 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1899 * tree-flow.h (add_referenced_var): Return bool instead of void.
1900 * tree-dfa.c (add_referenced_var): Return result of
1901 referenced_var_check_and_insert call.
1902 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1903 of referenced_var_check_and_insert.
1906 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1907 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1908 DIE, don't emit it if abstract origin already has it.
1909 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1910 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1912 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1914 * genpreds.c (needs_variable): Fix parentheses at variable name
1916 (write_tm_constrs_h): Indent generated code.
1918 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1920 * doc/extend.texi (Function Attributes): Add documentation
1923 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1926 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1927 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1929 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1931 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1934 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1937 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1938 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1940 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1942 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1943 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1944 constants instead of magic numbers.
1945 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1947 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1948 (x86_64_ms_abi_int_parameter_registers): Ditto.
1949 (x86_64_int_return_registers): Ditto.
1950 (ix86_maybe_switch_abi): Ditto.
1951 (ix86_expand_call): Ditto for clobbered_registers array.
1952 (ix86_hard_regno_mode_ok): Ditto.
1953 (x86_extended_QIreg_mentioned_p): Ditto.
1955 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1957 PR tree-optimization/39349
1958 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1960 * combine.c (gen_lowpart_for_combine): Use omode when generating
1963 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1965 PR rtl-optimization/39235
1966 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1968 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1970 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1972 2009-03-04 Richard Guenther <rguenther@suse.de>
1974 PR tree-optimization/39362
1975 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1976 that occur in abnormal PHIs should be varying.
1978 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1980 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1982 (simple_iv): Take loop as an argument instead of statement.
1983 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1984 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1986 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1988 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1989 * matrix-reorg.c (analyze_transpose): Ditto.
1990 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1991 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1992 * tree-predcom.c (ref_at_iteration): Ditto.
1993 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1995 2009-03-04 Richard Guenther <rguenther@suse.de>
1997 PR tree-optimization/39358
1998 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1999 escaped_id and callused_id.
2000 (solve_graph): Likewise.
2002 2009-03-04 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/39339
2005 * tree-sra.c (try_instantiate_multiple_fields): Make it
2006 no longer ICE on the above.
2008 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2010 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2011 that fits within Pmode.
2013 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2016 * tm.texi (LIBCALL_VALUE): Update description.
2018 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2021 * doc/extend.texi (section): Update description.
2023 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2026 * tree-inline.c (remapped_type): New.
2027 (can_be_nonlocal): Call remapped_type instead of remap_type.
2029 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2032 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2033 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2035 2009-03-03 Richard Guenther <rguenther@suse.de>
2038 * tree.c (tree_nonartificial_location): New function.
2039 * tree.h (tree_nonartificial_location): Declare.
2040 * builtins.c (expand_builtin_memory_chk): Provide location
2041 of the call location for artificial function pieces.
2042 (maybe_emit_chk_warning): Likewise.
2043 (maybe_emit_sprintf_chk_warning): Likewise.
2044 (maybe_emit_free_warning): Likewise.
2045 * expr.c (expand_expr_real_1): Likewise.
2047 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2049 PR tree-optimization/39343
2050 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2051 COMPONENT_REF t has ARRAY_TYPE.
2053 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2056 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2057 when the type precision of the induction variable should be
2058 larger than the type precision of nit.
2059 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2060 * graphite.c (graphite_loop_normal_form): Same.
2061 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2063 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2065 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2066 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2067 numbers to describe clobbered registers.
2068 (*call_value_0_rex64_ms_sysv): Ditto.
2069 * config/i386/mmx.md (mmx_emms): Ditto.
2072 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2074 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2077 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2079 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2080 (spu_section_type_flags): New function.
2082 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2084 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2085 reg_class_contents of FLOAT_REGS into a temporary.
2087 2009-03-02 Richard Guenther <rguenther@suse.de>
2088 Ira Rosen <irar@il.ibm.com>
2090 PR tree-optimization/39318
2091 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2092 information to the vectorized statement.
2094 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2096 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2097 variable. Use defined names instead of magic constants for REX SSE
2100 2009-03-01 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/39331
2103 * omp-low.c (lower_send_shared_vars): Do not receive new
2104 values for the reference of DECL_BY_REFERENCE parms or results.
2106 2009-03-01 Jan Hubicka <jh@suse.cz>
2109 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2110 BLOCK_NONLOCALIZED_VAR): New macros.
2111 (tree_block): Add nonlocalized_vars.
2112 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2113 gen_decl_die): Add origin argument. Allow generation of die with
2114 origin at hand only.
2115 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2116 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2118 (gen_block_die): Fix checking for unused blocks.
2119 (process_scope_var): Break out from .... ; work with origins only.
2120 (decls_for_scope) ... here; process nonlocalized list.
2121 (dwarf2out_ignore_block): Look for nonlocalized vars.
2122 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2124 (dump_scope_block): Dump them.
2125 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2126 (remap_block): Likewise.
2127 (can_be_nonlocal): New predicate.
2128 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2130 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2132 * configure: Regenerate.
2134 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2136 * optc-gen.awk: No need to duplicate option flags twice.
2137 Reuse help texts for duplicate options which do not have any.
2139 * gcc.c (display_help): Document --version.
2141 * gcc.c (main): If print_help_list and verbose_flag, ensure
2142 driver output comes before subprocess output.
2144 * optc-gen.awk: Assign all remaining fields to help string,
2145 space-separated, for multi-line help in *.opt.
2147 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2148 -Wno-pedantic-ms-format is for MinGW targets only.
2150 * doc/options.texi (Option file format): Fix bad indentation,
2151 restoring dropped sentence.
2153 2009-02-28 Jan Hubicka <jh@suse.cz>
2155 * tree-inline.c (tree_function_versioning): Output debug info.
2157 2009-02-28 Jan Hubicka <jh@suse.cz>
2160 * tree-inline.c (setup_one_parameter): Do not copy propagate
2161 arguments when not optimizing.
2163 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2166 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2167 (avx_addsubv4df3): Likewise.
2168 (*avx_addsubv4sf3): Likewise.
2169 (sse3_addsubv4sf3): Likewise.
2170 (*avx_addsubv2df3): Likewise.
2171 (sse3_addsubv2df3): Likewise.
2172 (avx_unpckhps256): Correct item selectors.
2173 (avx_unpcklps256): Likewise.
2174 (avx_unpckhpd256): Likewise.
2175 (avx_unpcklpd256): Likewise.
2177 2009-02-28 Jan Hubicka <jh@suse.cz>
2179 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2181 (copy_arguments_for_versioning): If var is declared don't declare it.
2182 (tree_function_versioning): First setup substitutions and then copy
2185 2009-02-27 Jan Hubicka <jh@suse.cz>
2188 * cgraph.h (varpool_output_debug_info): Remove.
2189 * cgraphunit.c (varpool_output_debug_info): Remove.
2190 * dwarf2out.c (deferred_locations_struct): New struct
2191 (deferred_locations): New type.
2192 (deferred_locations_list): New static var.
2193 (deffer_location): New function.
2194 (gen_variable_die): Use it.
2195 (decls_for_scope): Output info on local static vars.
2196 (dwarf2out_finish): Process deferred locations.
2197 * varpool.c (varpool_output_debug_info): Remove.
2199 2009-02-27 Jan Hubicka <jh@suse.cz>
2202 * tree.h (TREE_PROTECTED): Fix comment.
2203 (BLOCK_HANDLER_BLOCK): Remove.
2204 (struct tree_block): Remove handler_block add body_block.
2205 (inlined_function_outer_scope_p): New.
2206 (is_body_block): Remove.
2207 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2208 * dwarf2out.c (is_inlined_entry_point): Remove.
2209 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2210 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2212 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2213 * gimplify.c (gimplify_expr): Gimplify body blocks.
2214 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2215 block with multiple subblocks.
2216 (dump_scope_block): Prettier output; dump more flags and info.
2217 (dump_scope_blocks): New.
2218 (remove_unused_locals): Use dump_scope_blocks.
2219 * tree-flow.h (dump_scope_blocks): Declare.
2220 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2221 * stmt.c (is_body_block): Remove.
2222 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2223 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2225 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2228 * graphite.c (graphite_loop_normal_form): Do not call
2229 number_of_iterations_exit from a gcc_assert.
2231 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2233 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2234 jumps if COND is NULL.
2235 (find_cond_jump): New function.
2236 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2237 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2239 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2241 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2242 force_const_mem returns NULL_RTX.
2244 2009-02-26 Jan Hubicka <jh@suse.cz>
2247 * cgraph.h (varpool_output_debug_info): Remove.
2248 * cgraphunit.c (varpool_output_debug_info): Remove.
2249 * dwarf2out.c (deferred_locations_struct): New struct
2250 (deferred_locations): New type.
2251 (deferred_locations_list): New static var.
2252 (deffer_location): New function.
2253 (gen_variable_die): Use it.
2254 (decls_for_scope): Output info on local static vars.
2255 (dwarf2out_finish): Process deferred locations.
2256 * varpool.c (varpool_output_debug_info): Remove.
2258 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2260 PR rtl-optimization/39241
2261 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2262 to subreg_offset_representable_p.
2264 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2266 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2267 execute function prototype. Get f and nregs from max_reg_num
2268 and get_insns. Remove the first backward pass as it's dead,
2269 guard the forward pass by flag_expensive_optimizations.
2270 (rest_of_handle_regmove): Delete.
2271 (pass_regmove): Replace it with regmove_optimize.
2273 2009-02-25 Martin Jambor <mjambor@suse.cz>
2275 PR tree-optimization/39259
2276 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2277 calls_alloca function flags.
2278 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2281 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2283 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2284 flags_set_1_rtx, flags_set_1_set): Delete.
2285 (regmove_optimize): Do not call mark_flags_life_zones.
2287 2009-02-24 Julian Brown <julian@codesourcery.com>
2290 * config/arm/arm.c (require_pic_register): Only set
2291 cfun->machine->pic_reg once per function.
2293 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2295 * doc/invoke.texi (Link Options): Document an easier way to pass
2296 options that take arguments to the GNU linker using -Xlinker and -Wl.
2298 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2301 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2303 2009-02-24 Richard Guenther <rguenther@suse.de>
2306 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2308 2009-02-24 Richard Guenther <rguenther@suse.de>
2309 Zdenek Dvorak <ook@ucw.cz>
2311 PR tree-optimization/39233
2312 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2313 from converting them to a generic type.
2315 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2317 PR tree-optimization/39260
2318 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2319 contains a condition with a real type.
2320 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2322 2009-02-23 Jason Merrill <jason@redhat.com>
2325 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2326 narrowing_initializer_constant_valid_p.
2327 (narrowing_initializer_constant_valid_p): Don't return
2328 null_pointer_node for adding a pointer to itself.
2330 2009-02-23 Jan Hubicka <jh@suse.cz>
2333 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2336 2009-02-23 Jan Hubicka <jh@suse.cz>
2338 PR tree-optimization/37709
2339 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2340 * tree.h (block_ultimate_origin): Declare.
2341 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2342 * tree-ssa-live.c (remove_unused_scope_block_p):
2343 Eliminate blocks containig no instructions nor live variables nor
2345 (dump_scope_block): New function.
2346 (remove_unused_locals): Enable removal of dead blocks by default;
2347 enable dumping at TDF_DETAILS.
2349 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2351 * config/i386/i386.c (classify_argument): Don't allow COImode
2353 (function_arg_advance_32): Don't allow OImode.
2354 (function_arg_32): Likewise.
2355 (function_value_32): Likewise.
2356 (return_in_memory_32): Likewise.
2357 (function_arg_64): Remove OImode comment.
2359 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2362 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2363 ix86_expand_vector_set for V4DImode in 64bit mode only.
2364 (ix86_expand_vector_init_one_var): Likewise.
2366 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2368 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2370 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2373 * loop-iv.c: Revert last change.
2374 * emit-rtl.c: Likewise.
2376 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2379 * config/i386/i386.c (type_natural_mode): Remove an extra
2380 space in the warning message.
2381 (function_value_32): Handle 32-byte vector modes.
2382 (return_in_memory_32): Likewise.
2384 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2386 * loop-iv.c (truncate_value): New function.
2387 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2389 (lowpart_subreg): Move to...
2390 * emit-rtl.c: ...here.
2392 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2394 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2395 accidental and undocumented change at revision 140860.
2397 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2399 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2400 take gimple_seq * arguments.
2401 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2402 types_compatible_p langhook.
2404 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2405 Joseph Myers <joseph@codesourcery.com>
2407 * config/arm/arm.c (arm_builtin_va_list): New function.
2408 (arm_expand_builtin_va_start): Likewise.
2409 (arm_gimplify_va_arg_expr): Likewise.
2410 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2411 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2412 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2413 (va_list_type): New variable.
2414 (arm_mangle_type): Mangle va_list_type appropriately.
2416 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2419 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2420 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2421 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2422 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2423 parameter to 1000 for -O1 by default.
2424 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2426 * loop-invariant.c: Include params.h.
2427 (move_loop_invariants): Don't call move_single_loop_invariants on
2430 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2432 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2433 offset when calculating bounds for indexing stack_usage_map. Fixes
2434 a buffer overflow with certain target setups.
2436 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2439 * calls.c (expand_call): Clear try_tail_call if caller and callee
2440 disagree in promotion of function return value.
2442 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2445 * c-common.c (c_determine_visibility): If visibility changed and
2446 DECL_RTL has been already set, call make_decl_rtl to update symbol
2449 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2452 * varasm.c (assemble_variable): Don't check DECL_NAME when
2453 globalizing a variable.
2455 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2458 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2459 expression before any __builtin_trap call.
2460 * c-typeck.c (build_function_call): Convert and check function
2461 arguments before generating a call to a trap. Evaluate the
2462 function arguments before the trap.
2464 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2467 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2468 (UNSPEC_FXAM_MEM): New unspec.
2469 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2470 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2471 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2473 2009-02-19 Richard Guenther <rguenther@suse.de>
2475 PR tree-optimization/39207
2476 PR tree-optimization/39074
2477 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2478 storedanything_tree): New.
2479 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2480 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2481 (build_succ_graph): Add edges from STOREDANYTHING to all
2483 (init_base_vars): Initialize STOREDANYTHING.
2484 (compute_points_to_sets): Free substitution info after
2485 building the succ graph.
2486 (ipa_pta_execute): Likewise.
2488 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2490 (do_ds_constraint): Do not add to special var or non-pointer
2492 (type_could_have_pointers): Split out from ...
2493 (could_have_pointers): ... here. For arrays use the element type.
2494 (create_variable_info_for): Initialize may_have_pointers.
2495 (new_var_info): Likewise.
2496 (handle_lhs_call): Make the HEAP variable unknown-sized.
2497 (intra_create_variable_infos): Use a type with pointers for
2498 PARM_NOALIAS, make it unknown-sized.
2500 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2503 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2505 2009-02-18 Jason Merrill <jason@redhat.com>
2508 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2509 value if DECL_EXTERNAL.
2510 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2511 * target.h (gcc_target::binds_local_p): Clarify "module".
2512 * tree.h (TREE_PUBLIC): Clarify "module".
2514 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2517 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2518 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2520 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2523 * c.opt (Wabi): Support C and ObjC.
2526 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2528 * config/i386/i386.c (classify_argument): Warn once about the ABI
2529 change when passing union with long double.
2531 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2533 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2536 * c-parser.c (c_parser_compound_statement): Always enter and leave
2539 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2542 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2544 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2546 PR tree-optimization/36922
2547 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2548 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2551 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2553 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2556 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2558 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2560 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2562 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2565 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2566 Richard Sandiford <rdsandiford@googlemail.com>
2568 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2569 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2570 (loongson_biadd): ...this.
2572 2009-02-17 Richard Guenther <rguenther@suse.de>
2574 PR tree-optimization/39202
2575 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2576 a var make sure to follow existing collapses.
2578 2009-02-17 Richard Guenther <rguenther@suse.de>
2581 * langhooks.c (lhd_print_error_function): Check for NULL block.
2583 2009-02-17 Richard Guenther <rguenther@suse.de>
2585 PR tree-optimization/39204
2586 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2589 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2591 * config/soft-fp/double.h: Update from glibc CVS.
2593 2009-02-17 Richard Guenther <rguenther@suse.de>
2595 PR tree-optimization/39207
2596 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2597 strict-aliasing warnings for pointers pointing to NULL.
2599 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2602 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2603 skipping until next close brace.
2605 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2608 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2609 to function argument boundary.
2611 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2613 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2614 in the lea_add. Reload eventually constraints it properly.
2615 * config/picochip/constraints.md : Remove the target constraint
2616 "b", since it is not needed anymore.
2618 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2620 * gthr-dce.h: Uglify function parameter and local variable names.
2621 * gthr-gnat.h: Likewise.
2622 * gthr-mipssde.h: Likewise.
2623 * gthr-nks.h: Likewise.
2624 * gthr-posix95.h: Likewise.
2625 * gthr-posix.h: Likewise.
2626 * gthr-rtems.h: Likewise.
2627 * gthr-single.h: Likewise.
2628 * gthr-solaris.h: Likewise.
2629 * gthr-tpf.h: Likewise.
2630 * gthr-vxworks.h: Likewise.
2631 * gthr-win32.h: Likewise.
2633 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2636 * config/i386/i386.md: Restrict the new peephole2 to move
2637 between MMX/SSE registers.
2639 2009-02-15 Richard Guenther <rguenther@suse.de>
2642 2009-02-13 Richard Guenther <rguenther@suse.de>
2644 * configure.ac: Enable LFS.
2645 * configure: Re-generate.
2646 * config.in: Likewise.
2648 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2650 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2651 spu_srqwbyte, spu_srqwbytebc): Define.
2652 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2653 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2654 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2655 "shrqby_<mode>"): New insn-and-split patterns.
2656 * config/spu/spu.c (expand_builtin_args): Determine and return
2657 number of operands using spu_builtin_description data.
2658 (spu_expand_builtin_1): Use it.
2660 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2663 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2666 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2669 * config/i386/i386.c (override_options): Correct warning
2670 messages for -malign-loops, -malign-jumps and -malign-functions.
2672 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2675 * config/i386/i386.md: Restrict the new peephole2 to move
2676 between the general purpose registers.
2678 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2681 * config/i386/i386.c (type_natural_mode): Add a new argument.
2682 Return the original mode and warn ABI change if vector size is 32byte.
2683 (function_arg_advance): Updated.
2684 (function_arg): Likewise.
2685 (ix86_function_value): Likewise.
2686 (ix86_return_in_memory): Likewise.
2687 (ix86_sol10_return_in_memory): Likewise.
2688 (ix86_gimplify_va_arg): Likewise.
2689 (function_arg_32): Don't warn ABX ABI change here.
2690 (function_arg_64): Likewise.
2692 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2694 * loop-iv.c (implies_p): In the final case, test that operands 0
2695 of the two comparisons match.
2697 * config/bfin/bfin.c (find_prev_insn_start): New function.
2698 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2699 (find_next_insn_start): Move.
2701 2009-02-13 Richard Guenther <rguenther@suse.de>
2703 * configure.ac: Enable LFS.
2704 * configure: Re-generate.
2705 * config.in: Likewise.
2707 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2710 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2711 sizes on syntax error after some arguments have been parsed.
2713 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2715 * doc/invoke.texi (-fira): Remove.
2717 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2719 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2720 * recog.c: Likewise.
2723 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2725 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2726 (umul_ppmm): Likewise.
2727 (count_leading_zeros): Likewise.
2728 (count_trailing_zeros): Likewise.
2729 (UMUL_TIME): Likewise.
2731 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2733 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2734 soft-fp/t-softfp to tmake_file.
2736 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2737 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2738 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2739 IA64_BUILTIN_INFQ]: New.
2740 (ia64_init_builtins): Initialize __builtin_infq,
2741 __builtin_fabsq and __builtin_copysignq if not HPUX.
2742 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2743 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2745 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2747 (__fixtfti): Likewise.
2748 (__fixunstfti): Likewise.
2749 (__floattitf): Likewise.
2751 * config/ia64/libgcc-glibc.ver: New.
2752 * config/ia64/t-fprules-softfp: Likewise.
2753 * config/ia64/sfp-machine.h: Likewise.
2755 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2756 (LIBGCC2_TF_CEXT): Likewise.
2757 (TF_SIZE): Likewise.
2758 (TARGET_INIT_LIBFUNCS): Likewise.
2760 * config/ia64/t-glibc (SHLINB_MAPFILES):
2761 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2763 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2765 * config/i386/i386.c (construct_container): Rewrite processing
2766 BLKmode with X86_64_SSE_CLASS.
2768 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2771 * config/i386/i386.md: Replace simplify_replace_rtx with
2772 replace_rtx in the new peephole2.
2774 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2776 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2777 loop unrolling do not happen at -O2.
2779 2009-02-12 Michael Matz <matz@suse.de>
2781 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2783 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2785 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2788 2009-02-12 Ben Elliston <bje@au.ibm.com>
2790 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2791 patterns when updating the back chain. Missed in the 2009-02-10
2794 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2796 * doc/extend.texi (Decimal Floating Types): Update identifier of
2797 draft TR and list of missing support.
2799 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2802 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2803 bit to variable length decl's flags, add it also to its
2804 pointer replacement variable.
2806 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2807 Jakub Jelinek <jakub@redhat.com>
2810 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2811 (memory_blockage): New expander.
2812 (*memory_blockage): New insn pattern.
2813 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2814 instead of general blockage at the end of function prologue when
2815 frame pointer is used to access red zone area. Do not emit blockage
2816 when profiling, it is emitted in generic code.
2817 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2818 function epilogue when frame pointer is used to access red zone area.
2820 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2823 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2824 by arithmetic with memory operands.
2825 * config/i386/predicates.md (commutative_operator): New.
2827 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2829 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2832 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2834 * alias.h (record_alias_subset): Declare.
2835 * alias.c (record_alias_subset): Make global.
2837 2009-02-10 Nick Clifton <nickc@redhat.com>
2839 * tree-parloops.c: Change license to GPLv3.
2840 * ipa-struct-reorg.c: Change license to GPLv3.
2841 * ipa-struct-reorg.h: Change license to GPLv3.
2843 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2846 * c-decl.c (start_struct): Return NULL on error.
2848 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2851 * cfgloopmanip.c (remove_path): Call remove_bbs after
2852 cancel_loop_tree, not before it.
2855 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2856 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2857 VAR_DECLs were seen.
2858 * tree-ssa-live.c (remove_unused_locals): Recompute
2859 cfun->has_local_explicit_reg_vars.
2860 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2861 copies or clearings if cfun->has_local_explicit_reg_vars.
2863 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2866 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2867 of function prologue when frame pointer is used to access
2870 2009-02-10 Richard Guenther <rguenther@suse.de>
2873 * gimplify.c (gimple_regimplify_operands): Always look if
2874 we need to create a temporary.
2876 2009-02-10 Richard Guenther <rguenther@suse.de>
2878 PR tree-optimization/39132
2879 * tree-loop-distribution.c (todo): New global var.
2880 (generate_memset_zero): Trigger TODO_rebuild_alias.
2881 (tree_loop_distribution): Return todo.
2883 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2886 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2887 (x86_64_reg_class_name): Removed.
2888 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2889 first one isn't X86_64_SSE_CLASS or any other ones aren't
2890 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2891 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2892 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2893 and 3 X86_64_SSEUP_CLASS.
2894 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2895 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2897 2009-02-10 Ben Elliston <bje@au.ibm.com>
2899 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2900 form instruction to update the stack back chain word, even if the
2901 user has disabled the generation of update instructions.
2902 (movdi_<mode>_update_stack): New.
2903 (movsi_update_stack): Likewise.
2904 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2905 always use an update form instruction to update the stack back
2908 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2911 * graphite.c (if_region_set_false_region): After moving a region in
2912 the false branch of a condition, remove the empty dummy basic block.
2913 (gloog): Remove wrong fix for PR38953.
2915 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2917 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2918 generation due to implicit sign extension.
2920 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2923 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2924 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2926 2009-02-09 Richard Guenther <rguenther@suse.de>
2929 * convert.c (convert_to_real): Disable (float)fn((double)x)
2930 to fnf(x) conversion if errno differences may occur and
2931 -fmath-errno is set.
2933 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2935 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2936 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2937 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2939 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2942 * c-common.c (handle_alias_attribute): Disallow attribute for
2943 anything not a FUNCTION_DECL or VAR_DECL.
2945 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2948 * real.c (do_compare): Special-case compare of zero against
2949 decimal float value.
2951 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2954 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2955 as indicating flexible array members unless the field itself is
2956 being declarared as the incomplete array.
2958 2009-02-06 Jan Hubicka <jh@suse.cz>
2960 PR tree-optimization/38844
2961 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2964 2009-02-06 Richard Guenther <rguenther@suse.de>
2967 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2968 fork because we may expand it as __gcov_fork.
2970 2009-02-06 Nick Clifton <nickc@redhat.com>
2972 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2974 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2976 PR tree-optimization/35659
2977 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2978 vn_phi_eq): Shortcut if hashcode does not match.
2979 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2981 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2982 and avoid iterative_hash_expr.
2983 (FOR_EACH_VALUE_ID_IN_SET): New.
2984 (value_id_compare): Remove.
2985 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2986 sort expressions by value id.
2988 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2991 * config/sh/predicates.md (general_movsrc_operand): Don't check
2992 the subreg of system registers here.
2994 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2997 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3000 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3002 PR rtl-optimization/39110
3003 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3004 addresses, not aligned ones.
3006 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3007 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/39100
3010 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3011 comment says and add edges.
3013 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3016 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3017 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3019 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3021 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3022 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3023 register_bb_in_sese, new_sese, free_sese): Moved.
3024 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3025 outermost_loop_in_scop, build_scop_iteration_domain,
3026 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3027 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3028 Use loop_in_sese_p instead of loop_in_scop_p.
3029 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3030 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3031 (scopdet_basic_block_info): Fix bug in scop detection.
3032 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3033 eq_loop_to_cloog_loop): Remove.
3034 (nb_loops_around_loop_in_scop, nb_loop
3035 ref_nb_loops): Moved here...
3036 * graphite.h (ref_nb_loops): ... from here.
3037 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3038 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3039 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3040 * testsuite/gcc.dg/graphite/scop-19.c: New
3042 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3043 Hans-Peter Nilsson <hp@axis.com>
3045 PR rtl-optimization/37889
3046 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3047 Move offset handling from PLUS to before the switch. Use new
3048 arguments when considering SYMBOL_REFs too.
3049 (rtx_addr_can_trap_p): Pass dummy offset and size.
3050 (enum may_trap_p_flags): Remove.
3051 (may_trap_p_1): Pass size from MEM_SIZE.
3053 PR rtl-optimization/38921
3054 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3055 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3056 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3057 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3059 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3061 AVX Programming Reference (January, 2009)
3062 * config/i386/sse.md (*vpclmulqdq): New.
3064 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3066 PR tree-optimization/38977
3067 PR gcov-profile/38292
3068 * calls.c (special_function_p): Disregard __builtin_ prefix.
3070 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3072 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3073 non-indexable addresses even before reload.
3075 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3078 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3079 as having variable size. Do not give an error for unnamed
3080 parameters with [*] declarators. Give a warning for type names
3081 with [*] declarators and mark them as variable size.
3082 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3083 for sizeof applied to [*] type names.
3085 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3088 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3090 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3092 * gcc.c (process_command): Update copyright notice dates.
3093 * gcov.c (print_version): Likewise.
3094 * gcov-dump.c (print_version): Likewise.
3095 * mips-tfile.c (main): Likewise.
3096 * mips-tdump.c (main): Likewise.
3098 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3101 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3102 for composite type involving a zero-length array type.
3104 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3107 * function.c (match_asm_constraints_1): Skip over
3108 initial optional % in the constraint.
3111 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3112 supported, don't accept FIXED_CSTs.
3113 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3114 and _Sat is used without _Fract/_Accum. Set specs->type to
3115 integer_type_node for cts_fract/cts_accum if fixed point is not
3118 2009-02-02 Catherine Moore <clm@codesourcery.com>
3120 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3122 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3124 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3125 (ABI_HAS_64BIT_SYMBOLS): Use it.
3126 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3128 2009-02-02 Paul Brook <paul@codesourcery.com>
3130 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3132 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3135 * recog.h (asm_operand_ok): Add constraints argument.
3136 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3137 recurse on matching constraint.
3138 (check_asm_operands): Pass constraints as 3rd argument to
3139 asm_operand_ok. Don't look up matching constraint here.
3140 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3143 2009-02-02 Ben Elliston <bje@au.ibm.com>
3145 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3146 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3148 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3150 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3151 information. Remove some obsolete information. Reorganize.
3153 * config/pa/fptr.c: Revert license to GPL 2.
3154 * config/pa/milli64.S: Likewise.
3156 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3159 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3160 LIBRARY name in, instead of hard-coding it.
3161 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3162 extra target make frag to tmake_files according to EH model.
3163 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3164 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3165 frags that define makefile variable EH_MODEL appropriately.
3166 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3167 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3168 to "-sjlj" according to type of EH configured.
3169 (LIBGCC_SONAME): Concatenate it to shared library base name.
3170 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3171 to "_sjlj" according to type of EH configured.
3172 (LIBGCC_SONAME): Concatenate it to shared library base name.
3173 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3174 (SHLIB_LINK): Add missing semicolon to if-else construct.
3175 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3176 string value of "pe_dll" command-line option.
3177 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3178 (SHLIB_SONAME): Use it when overriding t-cygming default.
3179 (SHLIB_IMPLIB): Override t-cygming default.
3180 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3181 string value of "pe_dll" command-line option.
3183 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3186 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3187 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3189 2009-01-31 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/38937
3192 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3193 computing the transitive closure.
3195 2009-01-30 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/39041
3198 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3199 Propagate variable indices only if the types match for this stmt.
3201 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3204 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3205 inline but never defined.
3207 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3209 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3210 (*insv_h_di_reg_extimm): New insn.
3211 (*insv_l<mode>_reg_extimm): New insn.
3213 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3215 * config/picochip/picochip.c (flag_conserve_stack): set
3216 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3217 fconserve-stack. Reduce call-overhead used by inliner.
3219 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3222 * common.opt (flag_conserve_stack): Initialised to zero.
3224 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3227 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3228 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3231 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3233 * ira-color.c (allocno_reload_assign): Update comments.
3234 * regmove.c (regmove_optimize): Likewise.
3238 2009-01-29 Robert Millan <rmh@aybabtu.com>
3240 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3241 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3242 `MD_UNWIND_SUPPORT'.
3243 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3245 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3247 PR tree-optimization/39007
3248 * tree-loop-distribution.c (generate_builtin): Use
3249 recompute_dominator to compute the immediate dominator of the
3250 basic block just after the loop.
3252 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3254 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3255 (ASM_OUTPUT_DWARF_PCREL): Define.
3257 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3259 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3260 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3261 global. Modify entries about regmove and IRA.
3263 * ra-conflict.c: Remove the file.
3265 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3267 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3268 (pass_regclass_init): Rename to pass_reginfo_init.
3270 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3272 * toplev.h (flag_ira): Remove.
3274 * caller-save.c (setup_save_areas): Remove flag_ira.
3276 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3278 * global.c: Remove the file.
3280 * opts.c (decode_options): Remove flag_ira.
3282 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3284 * regmove.c: Modify file description.
3285 (find_use_as_address, try_auto_increment): Define them only if
3286 AUTO_INC_DEC is defined.
3287 (replacement_quality, replace_in_call_usage, fixup_match_1,
3288 stable_and_no_regs_but_for_p): Remove.
3289 (reg_set_in_bb): Make it static.
3290 (regmove_optimize): Remove flag_ira and code which worked for
3293 * local-alloc.c: Remove the file.
3295 * common.opt (fira): Remove.
3297 * ira.c: Include except.h.
3298 (eliminable_regset): Move from global.c.
3299 (mark_elimination): Ditto. Remove flag_ira.
3300 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3301 equiv_mem_modified, validate_equiv_mem_from_store,
3302 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3303 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3304 no_equiv, recorded_label_ref): Move from local-alloc.c.
3305 (update_equiv_regs): Ditto. Make it static.
3306 (print_insn_chain, print_insn_chains): Move it from global.c.
3307 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3308 (build_insn_chain): Ditto. Make it static.
3309 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3310 Rename to init_live_subregs.
3311 (gate_ira): Remove flag_ira.
3313 * regclass.c: Rename reginfo.c. Change file description.
3314 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3315 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3316 (init_reg_sets_1): Remove code for evaluation of
3317 reg_class_superclasses and losing_caller_save_reg_set.
3318 (init_regs): Remove init_reg_autoinc.
3319 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3320 ok_for_base_p_nonstrict): Remove.
3321 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3322 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3323 corresponding entries.
3324 (dump_regclass, record_operand_costs, scan_one_insn,
3325 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3326 record_address_regs, auto_inc_dec_reg_p): Remove.
3327 (gt-regclass.h): Rename to gt-reginfo.h.
3329 * rtl.h (dump_global_regs, retry_global_alloc,
3330 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3332 * Makefile.in (RA_H): Remove.
3333 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3334 Rename regclass.o to reginfo.o.
3335 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3337 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3338 (GTFILES): Rename regclass.c to reginfo.c.
3340 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3341 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3343 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3344 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3346 (finish_spills): Ditto. Remove code for !flag_ira.
3348 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3351 * doc/invoke.texi (rtl debug options): Complete rewrite.
3352 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3354 * mode-switching.c (pass_mode_switching): Rename pass from
3355 "mode-sw" to "mode_sw".
3356 * except.c (pass_convert_to_eh_ranges): Rename pass from
3357 "eh-ranges" to "eh_ranges".
3358 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3362 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3363 Alexander Monakov <amonakov@ispras.ru>
3366 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3368 (move_exprs_to_boundary): Change return type and pass through
3369 should_move from move_op. Relax assert. Update usage ...
3370 (schedule_expr_on_boundary): ... here. Use should_move instead of
3372 (move_op_orig_expr_found): Indicate that insn was disconnected from
3374 (code_motion_process_successors): Do not call after_merge_succs
3375 callback if original expression was not found when traversing any of
3377 (code_motion_path_driver): Change return type. Update prototype.
3378 (move_op): Update comment. Add a new parameter (should_move). Update
3379 prototype. Set *should_move based on indication provided by
3380 move_op_orig_expr_found.
3382 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3384 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3385 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3386 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3387 * config/rs6000/rs6000.c (rs6000_override_options): Default
3388 avoid-indexed-addresses on for Power6, off for everything else.
3389 (avoiding_indexed_address_p): New function.
3390 (rs6000_legitimize_address): Use it.
3391 (rs6000_legitimate_address): Likewise.
3392 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3394 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3396 PR tree-optimization/38997
3397 * tree-loop-distribution.c (generate_memset_zero): Use
3398 POINTER_PLUS_EXPR for a pointer addition.
3400 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3402 * config/s390/s390.md (bswap<mode>2): New pattern added.
3404 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3406 * config/s390/s390.md (*tls_load_31): Added type attribute.
3408 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3410 * config/s390/s390.md: Fix a few comments.
3412 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3414 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3415 (*tm<mode>_full): Fixed z10prop attribute.
3416 (*tst<mode>_extimm): Fixed z10prop attribute.
3417 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3418 (*tstqiCCT_cconly): Fixed z10prop attribute.
3419 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3420 (*movsi_larl): Fixed z10prop attribute.
3421 (*movsi_zarch): Fixed z10prop attribute.
3422 (*movsi_eas): Fixed z10prop attribute.
3423 (*movhi): Fixed z10prop attribute.
3424 (*movqi): Fixed z10prop attribute.
3425 (*movstrictqi): Fixed z10prop attribute.
3426 (*mov<mode>): Fixed z10prop attribute.
3427 (*movcc): Fixed z10prop attribute.
3428 (*sethighpartdi_64): Fixed z10prop attribute.
3429 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3430 (*negdi2_sign_cc): Fixed z10prop attribute.
3431 (*negdi2_sign): Fixed z10prop attribute.
3432 (*absdi2_sign_cc): Fixed z10prop attribute.
3433 (*absdi2_sign): Fixed z10prop attribute.
3434 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3435 (*negabsdi2_sign): Fixed z10prop attribute.
3436 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3437 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3438 (doloop_si64): Fixed z10prop attribute.
3439 (doloop_si31): Fixed z10prop attribute.
3440 (doloop_long): Fixed z10prop attribute.
3441 (indirect_jump): Fixed z10prop attribute.
3442 (nop): Fixed z10prop attribute.
3443 (main_base_64): Fixed z10prop attribute.
3444 (reload_base_64): Fixed z10prop attribute.
3446 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3448 PR rtl-optimization/38740
3449 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3451 * config/mips/mips.c (mips_reorg): Likewise.
3453 2009-01-28 Richard Guenther <rguenther@suse.de>
3455 PR tree-optimization/38926
3456 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3457 with the correct value id to a value.
3458 (do_regular_insertion): Use the value number of edoubleprime
3459 for the value number of the expr.
3462 2008-08-21 Richard Guenther <rguenther@suse.de>
3464 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3465 a PHI ask VN if it is already available.
3466 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3467 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3469 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3472 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3473 set to varying whenever max has TREE_OVERFLOW set, similarly
3474 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3476 2009-01-28 Richard Guenther <rguenther@suse.de>
3479 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3480 uninitialized aggregate uses in call arguments.
3482 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3484 PR tree-optimization/38984
3485 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3486 the nothing_id variable if -fno-delete-null-pointer-checks.
3488 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3491 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3492 (set_got_offset_rex64): Ditto.
3494 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3497 * doc/extend.texi: Improve local variable with asm reg.
3499 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3501 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3502 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3503 was not supplied then set warn_packed_bitfield_compat to the
3505 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3508 2009-01-27 Richard Guenther <rguenther@suse.de>
3510 PR tree-optimization/38503
3511 * cfgexpand.c (expand_gimple_basic_block): Ignore
3512 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3513 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3514 variables that cannot have TBAA applied.
3515 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3518 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3521 * calls.c (initialize_argument_information): Do not wrap complex
3522 arguments in SAVE_EXPR.
3524 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3526 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3527 (INSTALL_LIBGCC): Revert typo commit.
3529 2009-01-26 Richard Guenther <rguenther@suse.de>
3531 PR tree-optimization/38745
3532 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3533 from special handling.
3535 2009-01-26 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/38745
3538 * tree-ssa.c (execute_update_addresses_taken): Do not include
3539 variables that cannot possibly be a register in not_reg_needs.
3540 Do not clear TREE_ADDRESSABLE on vars that may not become
3542 * tree-ssa.c (update_alias_info_1): Include those in the set
3543 of addressable vars.
3545 2009-01-26 Richard Guenther <rguenther@suse.de>
3548 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3549 * tree-ssa-dse.c: Include langhooks.h
3550 (execute_simple_dse): Remove stores with zero size.
3552 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3555 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3558 2009-01-24 Julian Brown <julian@codesourcery.com>
3560 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3561 config/arm/linux-atomic.c.
3562 * config/arm/linux-atomic.c: New.
3564 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3566 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3567 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3568 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3570 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3573 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3576 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3578 PR tree-optimization/38953
3579 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3580 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3581 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3582 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3585 2009-01-24 Paul Brook <paul@codesourcery.com>
3587 * config/arm/neon.md (neon_type): Move to arm.md.
3588 (neon_mov<VSTRUCT>): Add neon_type attribute.
3589 * config/arm/arm.md (neon_type): Move to here.
3590 (conds): Add "unconditioal" and use as default for NEON insns.
3592 2009-01-24 Ben Elliston <bje@au.ibm.com>
3594 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3595 void *' warning from -Wc++-compat.
3596 * Makefile.in (dominance.o-warn): Remove.
3598 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3600 PR tree-optimization/38932
3601 * fold-const.c (fold_unary_ignore_overflow): New.
3602 * tree.h (fold_unary_ignore_overflow): Declare.
3603 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3604 * tree-ssa-sccvn.c (visit_reference_op_load,
3605 simplify_unary_expression): Likewise.
3607 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3609 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3610 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3611 regardless of their type.
3612 * c-common.c (handle_packed_attribute): Don't ignore packed on
3614 * c.opt (Wpacked-bitfield-compat): New warning option.
3615 * stor-layout.c (place_field): Warn if offset of a field changed.
3616 * doc/extend.texi (packed): Mention the ABI change.
3617 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3618 (Warning Options): Add it to the list.
3620 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3622 * c-opts.c (c_common_post_options): Fix a typo in comments.
3624 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3627 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3628 variables to static.
3629 * doc/invoke.texi (-fmerge-all-constants): Update description.
3631 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3634 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3635 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3637 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3639 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3641 (LOCAL_ALIGNMENT): Similarly.
3643 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3644 Joseph Myers <joseph@codesourcery.com>
3646 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3647 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3648 * config/arm/arm-tune.md: Regenerate.
3649 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3652 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3654 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3655 version number to five.
3657 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3660 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3661 * c-common.c (set_underlying_type): Likewise.
3662 (is_typedef_decl ): Likewise
3664 (set_underlying_type): Likewise.
3665 (is_typedef_type): Likewise.
3667 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3670 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3673 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3676 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3677 (LIBGCC_SPEC): Don't define.
3678 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3680 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3682 PR rtl-optimization/38879
3683 * alias.c (base_alias_check): Unaligned access via AND address can
3684 alias all surrounding object types except those with sizes equal
3685 or wider than the size of unaligned access.
3687 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3690 * c-decl.c (clone_underlying_type): Move this ...
3691 * c-common.c (set_underlying_type): ... here.
3692 Also, make sure the function properly sets TYPE_STUB_DECL() on
3693 the newly created typedef variant type.
3694 (is_typedef_decl ): New entry point.
3695 * tree.h: Added a new member member_types_needing_access_check to
3696 struct tree_decl_non_common.
3697 (set_underlying_type): New entry point.
3698 (is_typedef_type): Likewise.
3700 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3702 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3703 Check whether two instructions have memory references that
3704 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3705 are helper functions for traversing.
3706 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3707 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3708 not to draw dependency edge for instructions with non-conflicting
3711 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3714 * longlong.h: Update copyright years. Use soft-fp license notice.
3715 Sync __clz_tab declaration with glibc.
3717 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3720 * doc/extend.texi (syscall_linkage): New.
3721 (version_id): Modify.
3723 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3724 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/38747
3727 PR tree-optimization/38748
3728 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3729 conversion if the base address is an indirect reference and the
3730 aliasing sets could cause issues.
3732 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3734 * common.opt (fgraphite, fgraphite-identity): Add comment for
3735 explaining why these options are not documented.
3737 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3739 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3740 gimple_call_lhs is NULL.
3742 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3745 * emit-rtl.c (adjust_address_1): Make sure memref is never
3748 2009-01-20 Ben Elliston <bje@au.ibm.com>
3750 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3751 const qualifier from arg parameter. Remove unnecessary cast to char *.
3752 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3753 const qualifier from arg 2.
3755 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3757 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3759 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3762 * rtl.h (reinit_regs): New prototype.
3763 * regclass.c: Include ira.h.
3765 * Makefile.in (regclass.o): Add ira.h.
3766 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3768 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3771 * c-common.c (handle_aligned_attribute): Use
3772 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3773 default alignment value.
3775 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3777 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3778 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3780 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3781 __BIGGEST_ALIGNMENT__.
3783 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3785 2009-01-18 Richard Guenther <rguenther@suse.de>
3787 PR tree-optimization/38819
3788 * tree-flow.h (operation_could_trap_helper_p): Declare.
3789 * tree-eh.c (operation_could_trap_helper_p): Export.
3790 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3791 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3792 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3793 are about to insert a possibly trapping instruction and fail
3796 2009-01-18 Andreas Schwab <schwab@suse.de>
3798 * doc/install.texi (Configuration): Remove obsolete paragraph
3799 about use of --with-gnu-ld with --with-gnu-as.
3801 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3803 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3804 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3805 Follow spelling conventions.
3807 2009-01-18 Ben Elliston <bje@au.ibm.com>
3809 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3810 C++ warning about implicit conversion from void * to struct
3812 (bitmap_obstack_free): Likewise for bitmap_element *.
3813 * Makefile.in (bitmap.o-warn): Remove.
3815 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3817 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3819 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3820 Tobias Grosser <tobi.grosser@amd.com>
3822 * graphite.c (graphite_trans_scop_block): Do not block single
3825 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3827 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3828 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3829 test with assertion.
3831 2009-01-16 Richard Guenther <rguenther@suse.de>
3833 PR tree-optimization/38835
3835 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3836 and INT + PTR -> (INT)(PTR p+ INT) folding.
3837 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3839 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3842 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3843 the subreg from a lowpart subreg if it is also casting the value.
3845 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3846 Tobias Grosser <tobi.grosser@amd.com>
3848 * graphite.c (compare_prefix_loops): New.
3849 (build_scop_canonical_schedules): Rewritten.
3850 (graphite_transform_loops): Move build_scop_canonical_schedules
3851 after build_scop_iteration_domain.
3853 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3854 Tobias Grosser <tobi.grosser@amd.com>
3856 * graphite.c (add_conditions_to_domain): Add the loops to
3857 the dimension of the iteration domain. Do copy the domain
3858 only when it exists.
3859 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3860 (add_conditions_to_constraints): New.
3861 (can_generate_code_stmt, can_generate_code): Removed.
3862 (gloog): Do not call can_generate_code.
3863 (graphite_transform_loops): Call add_conditions_to_constraints
3864 after building the iteration domain.
3866 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3868 PR tree-optimization/38789
3869 * tree-ssa-threadedge.c
3870 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3871 __builtin_constant_p.
3873 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3875 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3876 examined before deleting them.
3878 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3880 * function.c (aggregate_value_p): Correctly extract the function
3881 type from CALL_EXPR_FN lookup.
3883 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3885 * config/picochip/picochip.c (picochip_override_options): Revert
3886 CFI asm flag disable commited previously.
3888 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3889 Tobias Grosser <tobi.grosser@amd.com>
3890 Jan Sjodin <jan.sjodin@amd.com>
3892 * graphite.c (scan_tree_for_params): On substractions negate
3893 all the coefficients of the term.
3894 (clast_to_gcc_expression_red): New. Handle reduction expressions
3895 of more than two operands.
3896 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3897 (get_vdef_before_scop): Handle also the case of default definitions.
3899 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3901 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3902 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3903 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3905 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3906 Joey Ye <joey.ye@intel.com>
3909 * cfgexpand.c (expand_stack_alignment): Don't update stack
3910 boundary nor check incoming stack boundary here.
3911 (gimple_expand_cfg): Update stack boundary and check incoming
3912 stack boundary here.
3914 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3916 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3918 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3920 PR rtl-optimization/38245
3921 * calls.c (expand_call): Add stack arguments to
3922 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3923 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3924 in regs and partially in memory or BLKmode arguments.
3925 (emit_library_call_value_1): Add stack arguments to
3926 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3927 ACCUMULATE_OUTGOING_ARGS).
3928 * dce.c: Include tm_p.h.
3929 (find_call_stack_args): New function.
3930 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3932 (mark_insn): Call find_call_stack_args for CALL_Ps.
3933 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3934 forwards. Allocate and free arg_stores bitmap if needed, pass it
3935 down to deletable_insn_p, don't mark stores set in arg_stores
3936 bitmap, clear the bitmap at the beginning of each bb.
3937 * Makefile.in (dce.o): Depend on $(TM_P_H).
3939 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3942 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3943 to make sure the insn is a conditional test (bug 22599). Reformat a
3946 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3949 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3950 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3951 (gloog): Do not call cleanup_tree_cfg.
3952 (graphite_transform_loops): Call cleanup_tree_cfg after all
3953 scops have been code generated.
3955 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3956 * doc/gty.texi (Invoking the garbage collector): Added new node
3957 and section documenting ggc_collect.
3959 2009-01-14 Richard Guenther <rguenther@suse.de>
3961 PR tree-optimization/38826
3963 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3964 initialization notes only if we actually emitted a warning.
3965 (intra_create_variable_infos): Add constraints for a result decl
3966 that is passed by hidden reference.
3967 (build_pred_graph): Mark all related variables non-direct on
3970 2009-01-14 Nick Clifton <nickc@redhat.com>
3972 * ira-conflicts.c: Include addresses.h for the definition of
3974 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3975 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3977 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3980 * Makefile.in (ira-lives.o): Add except.h.
3982 * ira-lives.c: Include except.h.
3983 (process_bb_node_lives): Process can_throw_internal.
3985 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3987 PR rtl-optimization/38774
3988 * combine.c (simplify_set): When undoing cc_use change, don't do
3989 PUT_CODE on the newly created comparison, but instead put back the
3992 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3994 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3995 values. Remove duplicate arm8 entry.
3997 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3999 PR tree-optimization/38786
4000 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4001 the SSA_NAME case of expand_scalar_variables_expr.
4002 Set the type of an expression to the type of its assign statement.
4003 (expand_scalar_variables_expr): Also gather the scalar computation
4004 used to index the memory access. Do not pass loop_p.
4005 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4006 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4007 the gimple_stmt_iterator where it inserts new code.
4009 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4010 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4012 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4014 * graphite.h (debug_value): Removed.
4015 * graphite.c (debug_value): Removed.
4017 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4019 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4020 ldrd/strd with two 32-bit instructions.
4022 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4024 * config/arm/arm.c (struct processors): Pass for speed down into
4025 cost helper functions.
4026 (const_ok_for_op): Handle COMPARE and inequality nodes.
4027 (arm_rtx_costs_1): Rewrite.
4028 (arm_size_rtx_costs): Update prototype.
4029 (arm_rtx_costs): Pass speed down to helper functions.
4030 (arm_slowmul_rtx_costs): Rework cost calculations.
4031 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4032 (arm_9e_rtx_costs): Likewise.
4034 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4036 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4037 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4038 (alpha_legitimize_address): Do not split local symbols wider than
4039 UNITS_PER_WORD into HIGH/LO_SUM parts.
4041 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4044 * gcc.c (process_command): Replace call to execvp with calls
4045 to pex_one and exit.
4047 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4050 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4051 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4052 variant for devices with 3-byte PC.
4053 (__tablejump_elpm__): New.
4055 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4058 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4059 offsetof member-designator, handle it as `[0].'.
4061 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4063 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4064 function when not using named sections on targets with named sections
4065 if branch distance is less than 262132.
4067 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4069 * combine.c (combine_instructions): Recompute
4070 optimize_this_for_speed_p for each BB in the main combine loop.
4072 2009-01-12 Tomas Bily <tbily@suse.cz>
4075 * tree-loop-distribution.c (prop_phis): New function.
4076 (generate_builtin): Call prop_phis.
4077 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4079 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4081 PR tree-optimization/38807
4082 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4083 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4085 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4087 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4088 subreg of op0 to the original op0.
4090 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4092 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4094 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4097 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4098 starting with digits.
4100 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4103 * config/arm/arm.c (arm_is_long_call_p): Don't call
4104 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4106 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4108 * regrename.c (regrename_optimize): Fix dumping.
4109 (find_oldest_value_reg): Preserve REG_POINTER.
4110 (copy_hardreg_forward_1): Likewise.
4112 2009-01-09 Diego Novillo <dnovillo@google.com>
4114 * gimple.h (struct gimple_statement_base) <uid>: Document
4115 the restrictions on its use.
4117 (gimple_set_uid): Tidy.
4119 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4121 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4122 zero guard even if align_bytes != 0 and count is smaller than
4125 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4127 PR rtl-optimization/38495
4128 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4129 (add_range_and_copies_from_move_list): Print all added ranges.
4130 Add ranges to memory optimized destination.
4132 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4136 * config/i386/i386.c (override_options): Reject
4137 -mstringop-strategy=rep_8byte with -m32.
4138 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4139 to 1. Do count comparison against epilogue_size_needed at compile
4140 time even when count_exp was constant forced into register. For
4141 size_needed don't jump to epilogue, instead just avoid aligning
4142 and invoke the body algorithm. If need_zero_guard, add zero guard
4143 even if count is non-zero, but smaller than size_needed + number of
4144 bytes that could be stored for alignment.
4145 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4146 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4147 but smaller than size_needed + number of bytes that could be stored
4148 for alignment. Compare size_needed with epilogue_size_needed instead
4149 of desired_align - align, don't adjust size_needed, pass
4150 epilogue_size_needed to the epilogue expanders.
4153 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4155 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4157 * pa.c (last_address): Change to unsigned.
4158 (update_total_code_bytes): Change argument to unsigned. Don't
4159 check if insn addresses are set.
4160 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4161 addresses are not set.
4162 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4164 2009-01-09 Nick Clifton <nickc@redhat.com>
4166 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4167 DECL_DECLARED_INLINE_P.
4169 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4172 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4173 GET_MODE (op0) in operand_subword_force calls.
4176 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4177 fold_convert arg0 operands to TREE_TYPE (op0) first.
4179 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4181 * params.def (ira-max-conflict-table-size): Decrease default value
4184 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4186 PR tree-optimization/37031
4187 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4189 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4190 allocate it using gc instead of heap, use VEC_quick_push instead of
4192 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4193 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4194 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4195 allocated vector from heap allocated.
4196 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4197 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4198 vector only after perfect_loop_nest_depth call.
4200 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4201 Jan Sjodin <jan.sjodin@amd.com>
4203 PR tree-optimization/38559
4204 * graphite.c (debug_value, copy_constraint,
4205 swap_constraint_variables, scale_constraint_variable, ): New.
4206 (get_lower_bound, get_upper_bound): Removed.
4207 (graphite_trans_bb_strip_mine): Clean up this code that works
4208 only for constant number of iterations. Fully copy upper and
4209 lower bound constraints, not only the constant part of them.
4210 * graphite.h (debug_value): Declared.
4212 2009-01-08 Ira Rosen <irar@il.ibm.com>
4214 PR tree-optimization/37194
4215 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4216 Don't add the cost of cost model guard in prologue to scalar
4217 outside cost in case of known number of iterations.
4219 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4220 Alan Modra <amodra@bigpond.net.au>
4222 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4223 non-word-aligned REG+CONST addressing.
4225 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4228 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4229 free_after_compilation when outputting a thunk.
4230 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4231 Do not call free_after_compilation here.
4233 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4235 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4236 (ix86_valid_target_attribute_inner_p): Ditto.
4238 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4240 PR tree-optimization/38492
4241 PR tree-optimization/38498
4242 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4243 * tree-chrec.h (scev_is_linear_expression): Declared.
4244 * graphite.c (graphite_cannot_represent_loop_niter): New.
4245 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4246 (graphite_loop_normal_form): Use gcc_assert.
4247 (scan_tree_for_params): Use CASE_CONVERT.
4248 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4249 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4250 Use gcc_assert. Discard scops that contain unhandled cases.
4251 (build_scop_conditions): Return a boolean status for unhandled cases.
4252 (strip_mine_profitable_p): Print the loop number, not its depth.
4253 (is_interchange_valid): Pass the depth of the loop nest, don't
4254 recompute it wrongly.
4255 (graphite_trans_bb_block): Same.
4256 (graphite_trans_bb_block): Print tentative of loop blocking.
4257 (graphite_trans_scop_block): Do not print that the loop has been
4259 (graphite_transform_loops): Do not handle scops that contain condition
4262 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4264 AVX Programming Reference (December, 2008)
4265 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4266 (_mm256_stream_pd): Likewise.
4267 (_mm256_stream_ps): Likewise.
4269 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4270 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4271 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4272 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4273 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4274 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4275 (ix86_expand_special_args_builtin): Likewise.
4277 * config/i386/sse.md (AVXMODEDI): New.
4278 (avx_movnt<mode>): Likewise.
4279 (avx_movnt<mode>): Likewise.
4280 (<sse>_movnt<mode>): Remove AVX support.
4281 (sse2_movntv2di): Likewise.
4283 2009-01-07 Richard Guenther <rguenther@suse.de>
4286 * fold-const.c (extract_muldiv): Remove obsolete comment.
4287 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4288 to PLUS_EXPR canonicalization for the canonicalization.
4290 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4292 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4293 hosted cross-compilers generating less efficient code.
4295 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4297 * function.h (rtl_data): Add a dbr_scheduled_p field.
4298 * reorg.c (dbr_schedule): Set it.
4299 (gate_handle_delay_slots): Check it.
4300 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4301 (mips_reorg): Check flag_delayed_branch instead of
4302 mips_base_delayed_branch.
4303 (mips_override_options): Don't set mips_base_delayed_branch
4304 or flag_delayed_branch.
4306 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4308 PR rtl-optimization/38426.
4309 * ira.c (ira): Set current_function_is_leaf earlier.
4311 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4313 PR rtl-optimization/38722
4314 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4315 too early, only set a flag and modify after last possible
4318 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4321 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4322 * real.c (decimal_single_format): Correct values of emin and emax.
4323 (decimal_double_format): Ditto.
4324 (decimal_quad_format): Ditto.
4325 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4326 computation of DECnn_MIN and DECnn_MAX for corrected values of
4327 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4328 __DECnn_MIN__, and adjust its computation for the corrected value
4331 2009-01-06 Jan Hubicka <jh@suse.cz>
4334 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4336 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4338 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4339 Add Robert Clark to the list of testers.
4341 2009-01-06 Jan Hubicka <jh@suse.cz>
4342 Kai Tietz <kai.tietz@onevision.com>
4344 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4345 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4347 2009-01-06 Jan Hubicka <jh@suse.cz>
4348 Kai Tietz <kai.tietz@onevision.com>
4350 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4352 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4353 (ix86_nsaved_regs): Count only general purpose regs.
4354 (ix86_nsaved_sseregs): New.
4355 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4356 to 16 for w64; compute padding and size of sse reg save area.
4357 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4358 general purpose regs.
4359 (ix86_emit_save_sse_regs_using_mov): New.
4360 (ix86_expand_prologue): Save SSE regs if needed.
4361 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4362 (ix86_emit_restore_sse_regs_using_mov): New.
4363 (ix86_expand_epilogue): Save SSE regs if needed.
4365 2009-01-06 Jan Hubicka <jh@suse.cz>
4366 Kai Tietz <kai.tietz@onevision.com>
4368 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4369 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4370 functions when accumulate outgoing args is off.
4372 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4375 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4376 before using pseudos_have_intersected_live_ranges_p.
4378 * ira-int.h (ira_assert): Always define.
4380 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4382 AVX Programming Reference (December, 2008)
4383 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4384 (_mm256_permute2_pd): Likewise.
4385 (_mm_permute2_ps): Likewise.
4386 (_mm256_permute2_ps): Likewise.
4387 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4388 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4390 * config/i386/i386.c (ix86_builtins): Remove
4391 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4392 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4393 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4394 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4395 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4396 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4397 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4398 __builtin_ia32_vpermil2ps256.
4399 (ix86_init_mmx_sse_builtins): Updated.
4400 (ix86_expand_args_builtin): Likewise.
4402 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4404 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4405 long absolute calls when generating PA 2.0 code.
4407 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4409 PR rtl-optimization/38583
4410 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4412 * params.def (ira-max-conflict-table-size): New.
4414 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4416 * ira.h (ira_conflicts_p): New external definition.
4418 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4419 table. Report this. Return result of building.
4420 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4421 building conflict table.
4423 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4424 (ira_color): Use ira_conflicts_p.
4426 * global.c: Include ira.h.
4427 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4430 * Makefile.in (global.o): Add ira.h.
4432 * ira-build.c (mark_all_loops_for_removal,
4433 propagate_some_info_from_allocno): New.
4434 (remove_unnecessary_allocnos): Call
4435 propagate_some_info_from_allocno.
4436 (remove_low_level_allocnos): New.
4437 (remove_unnecessary_regions): Add parameter. Call
4438 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4439 parameter to remove_unnecessary_regions.
4440 (ira_build): Remove all regions but root if the conflict table was
4441 not built. Update conflict hard regs for allocnos crossing calls.
4443 * ira.c (ira_conflicts_p): New global.
4444 (ira): Define and use ira_conflicts_p.
4446 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4447 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4448 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4450 2009-01-06 Ben Elliston <bje@au.ibm.com>
4452 * gengtype-lex.l (YY_NO_INPUT): Define.
4454 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4457 * c-common.c (handle_vector_size_attribute): Also reject
4460 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4462 PR tree-optimization/38492
4463 * graphite.c (rename_map_elt, debug_rename_elt,
4464 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4465 rename_map_elt_info, eq_rename_map_elts,
4466 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4467 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4468 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4469 (sese_build_livein_liveouts): New.
4470 (new_sese, free_sese): New.
4471 (new_scop): Call new_sese.
4472 (free_scop): Call free_sese.
4473 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4474 (register_old_new_names): Renamed register_old_and_new_names.
4475 (register_scop_liveout_renames, add_loop_exit_phis,
4476 insert_loop_close_phis, struct igp,
4477 default_liveout_before_guard, add_guard_exit_phis,
4478 insert_guard_phis, copy_renames): New.
4479 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4480 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4481 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4482 (scop_adjust_phis_for_liveouts): New.
4483 (gloog): Call scop_adjust_phis_for_liveouts.
4485 * graphite.h (struct sese): Documented. Added fields liveout,
4487 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4488 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4489 (struct scop): Added field liveout_renames.
4490 (SCOP_LIVEOUT_RENAMES): New.
4492 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4494 PR tree-optimization/38510
4495 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4496 (translate_clast): Call recompute_all_dominators before
4498 (gloog): Call recompute_all_dominators before graphite_verify.
4500 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4501 Jan Sjodin <jan.sjodin@amd.com>
4503 PR tree-optimization/38500
4504 * graphite.c (create_sese_edges): Call fix_loop_structure after
4507 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4509 * config.gcc: Add m32r*-*-rtems*.
4510 * config/m32r/rtems.h: New file.
4512 2009-01-05 Ben Elliston <bje@au.ibm.com>
4514 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4515 (.po.pox): Likewise.
4516 (po/gcc.pot): Likewise.
4518 2009-01-04 David S. Miller <davem@davemloft.net>
4520 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4521 (STARTING_FRAME_OFFSET): Always set to zero.
4523 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4525 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4526 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4527 fixed-point types, and vectors of the same.
4529 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4531 * config/mips/sync.md (*mb_barrier): Rename to...
4532 (*memory_barrier): ...this.
4534 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4536 * doc/extend.texi (Function Attributes): Move @cindex after @item
4537 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4538 and put in alphabetical order. Fix 'target' name and put in order.
4539 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4542 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4544 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4545 (memory_barrier): Expand as unspec instead of unspec_volatile.
4546 Remove mem:BLK from insn operands. Use Pmode scratch register.
4547 (*memory_barrier): Define as unspec instead of unspec_volatile.
4548 Use (match_dup 0) as input operand.
4550 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4551 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4552 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4553 scratch register. Remove operand 1.
4554 (*stbar): Define as unspec instead of unspec_volatile.
4555 Use (match_dup 0) as input operand, remove (const_int 8).
4556 (*membar): Define as unspec instead of unspec_volatile.
4557 Use (match_dup 0) as input operand, remove input operand 2.
4559 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4560 (memory_barrier): Expand as unspec instead of unspec_volatile.
4561 Remove mem:BLK from insn operands. Use Pmode scratch register.
4562 (*memory_barrier): Define as unspec instead of unspec_volatile.
4563 Use (match_dup 0) as input operand.
4565 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4566 Remove mem:BLK from insn operands. Use Pmode scratch register.
4567 Set volatile flag on operand 0.
4568 (*memory_barrier): New insn pattern.
4570 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4572 (*memory_barrier): Use (match_dup 0) as input operand.
4574 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4575 Remove mem:BLK from insn operands. Use Pmode scratch register.
4576 Set volatile flag on operand 0.
4577 (*mb_internal): New insn pattern.
4579 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4581 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4584 * function.c (struct temp_slot): Move to the section of the file
4585 that deals with temp slots. Remove field 'address'.
4586 (temp_slot_address_table): New hash table of address -> temp slot.
4587 (struct temp_slot_address_entry): New struct, items for the table.
4588 (temp_slot_address_compute_hash, temp_slot_address_hash,
4589 temp_slot_address_eq, insert_temp_slot_address): Support functions
4591 (find_temp_slot_from_address): Rewrite to use the new hash table.
4592 (remove_unused_temp_slot_addresses): Remove addresses of temp
4593 slots that have been made available.
4594 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4595 worker function for remove_unused_temp_slot_addresses.
4596 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4597 Add the temp slot address to the address -> temp slot map.
4598 (update_temp_slot_address): Update via insert_temp_slot_address.
4599 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4600 (pop_temp_slots): Likewise.
4601 (init_temp_slots): Allocate the address -> temp slot map, or empty
4602 the map if it is already allocated.
4603 (prepare_function_start): Initialize temp slot processing.
4605 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4608 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4609 Calculate the size of all stack vars assuming no packing of stack
4610 vars will happen, replacing a quadratic algorithm with a linear one.
4612 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4615 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4618 2009-01-03 Diego Novillo <dnovillo@google.com>
4620 * doc/contrib.texi: Update contributions.
4622 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4625 * builtins.c (fold_builtin_memory_op): Give up if either operand
4626 is volatile. Set srctype or desttype to non-qualified version
4630 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4633 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4635 PR rtl-optimization/35805
4636 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4637 problem if fast dce is able to remove any instructions.
4638 * dce.c (dce_process_block): Fix dump message.
4640 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4643 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4645 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4648 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4649 * tree-pretty-print.c (op_code_prio): New function.
4650 (op_prio): No longer static. Use op_code_prio.
4651 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4652 Use op_prio and op_code_prio to determine if () should be
4653 printed around operand(s) or not.
4655 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4656 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4657 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4658 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4659 pp_character instead of pp_string for single letter printing.
4661 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4663 * doc/extend.texi: Fix '#pragma GCC option' typo.
4665 2009-01-02 Richard Guenther <rguenther@suse.de>
4667 * doc/install.texi (--enable-checking): Mention different
4669 (--enable-stage1-checking): Document.
4671 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4674 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4675 case to be an error.
4677 2009-01-02 Ben Elliston <bje@au.ibm.com>
4679 * config/fp-bit.h (pack_d): Constify argument.
4680 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4681 (isnan): Constify argument.
4685 (_fpadd_parts): Constify return type.
4686 (_fpmul_parts): Likewise.
4687 (_fpdiv_parts): Likewise.
4689 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4692 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4693 warn about overwriting initializer with side-effects or
4694 -Woverride-init if !IMPLICIT.
4695 (output_init_element): Likewise. Pass IMPLICIT down to
4697 (process_init_element): Add IMPLICIT argument. Pass it down
4698 to output_init_element.
4699 (push_init_element, pop_init_level, set_designator): Adjust
4700 process_init_element callers.
4701 (set_nonincremental_init, set_nonincremental_init_from_string):
4702 Adjust add_pending_init callers.
4703 (output_pending_init_elements): Adjust output_init_element callers.
4704 * c-tree.h (process_init_element): Adjust prototype.
4705 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4706 process_init_element callers.
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