1 2009-04-01 Alan Modra <amodra@bigpond.net.au>
3 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6 2009-03-31 Ian Lance Taylor <iant@google.com>
8 * tree-eh.c (tree_remove_unreachable_handlers): Compare
9 gimple_code with GIMPLE_RESX, not RESX.
11 2009-03-31 Joseph Myers <joseph@codesourcery.com>
13 * c-common.c (c_get_ident): New.
14 (c_common_nodes_and_builtins): Call it for type names that may be
17 2009-04-01 Ben Elliston <bje@au.ibm.com>
19 * config/rs6000/sysv4.opt (msdata): Improve option description.
21 2009-03-31 Steve Ellcey <sje@cup.hp.com>
23 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
24 (divdf3_internal_lat): Remove.
25 (divxf3_internal_lat): Remove.
26 (divxf3_internal_thr): Remove.
27 (divxf): Use divxf3_internal.
28 * config/ia64/div.md (divsf3_internal_lat): New.
29 (divdf3_internal_lat): New.
30 (divxf3_internal): New.
32 2009-03-31 Joseph Myers <joseph@codesourcery.com>
35 * Makefile.in (USE_GCC_STDINT): Define.
36 (stmp-int-hdrs): Install stdint.h if applicable.
37 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
39 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
40 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
41 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
42 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
43 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
44 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
45 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
46 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
47 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
48 (c_common_nodes_and_builtins): Initialize
49 underlying_wchar_type_node. Do not initialize
50 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
52 (c_stddef_cpp_builtins): Define macros for new types.
53 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
55 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
56 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
57 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
58 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
59 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
60 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
61 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
62 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
63 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
64 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
65 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
66 int16_type_node, int32_type_node, int64_type_node,
67 uint8_type_node, uint16_type_node, c_uint32_type_node,
68 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
69 int_least32_type_node, int_least64_type_node,
70 uint_least8_type_node, uint_least16_type_node,
71 uint_least32_type_node, uint_least64_type_node,
72 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
73 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
74 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
75 uintptr_type_node): Define.
76 * c-cppbuiltin.c (builtin_define_constants,
77 builtin_define_type_minmax): New.
78 (builtin_define_stdint_macros): Define more macros.
79 (c_cpp_builtins): Define more limit macros.
81 (builtin_define_type_max): Define in terms of
82 builtin_define_type_minmax. Remove is_long parameter. All
84 * config.gcc (use_gcc_stdint): Define.
85 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
86 Add newlib-stdint.h for generic targets.
87 * config/glibc-stdint.h, config/newlib-stdint.h,
88 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
89 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
90 * config/score/score.h (UINTPTR_TYPE): Define.
91 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
92 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
93 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
94 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
95 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
96 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
97 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
98 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
99 * config/spu/spu.h (STDINT_LONG32): Define.
100 * configure.ac (use_gcc_stdint): Substitute.
101 * configure: Regenerate.
102 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
103 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
104 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
105 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
106 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
107 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
108 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
109 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
110 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
111 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
112 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
113 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
114 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
115 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
116 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
117 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
118 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
119 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
120 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
121 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
122 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
123 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
124 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
125 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
126 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
127 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
128 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
129 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
130 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
132 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
134 * loop-iv.c (suitable_set_for_replacement): Renamed from
135 simplify_using_assignment; changed to return bool and to accept new
136 args DEST and SRC. Return true iff we find a source/destination pair
137 that can be used to make a replacement, and fill SRC and DEST if so.
138 Remove arg ALTERED. Don't deal with altered regs here. All callers
140 (simplify_using_initial_values): Deal with altered regs here and track
141 more precisely the effect they have on the validity of our expression.
143 * loop-iv.c (simplify_using_condition): A condition of the form
144 (EQ REG CONST) can be used to simply make a substitution.
145 (simplify_using_initial_values): Keep track of conditions we have seen
146 and keep using them to simplify new expressions, while applying the
147 same substitutions to them as to the expression.
149 * simplify-rtx.c (simplify_relational_operation_1): Simplify
150 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
153 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
154 changed. Use this when trying to improve the upper bound.
155 Generate the comparison by using simplify_gen_relational.
157 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
159 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
161 (simplify_using_assignment, simplify_using_initial_values): Call
162 replace_in_expr to make replacements. Call replace_single_def_regs
163 once on the initial version of the expression.
165 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
168 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
170 2009-03-31 Richard Guenther <rguenther@suse.de>
173 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
174 equality comparisons. Fold C - X CMP X if C % 2 == 1.
176 2009-03-31 Richard Guenther <rguenther@suse.de>
178 * tree.h (div_if_zero_remainder): Declare.
179 * fold-const.c (div_if_zero_remainder): Export.
180 * tree-ssa-forwprop.c
181 (forward_propagate_addr_into_variable_array_index): Handle
182 constant array index addition outside of the variable index.
184 2009-03-31 Joseph Myers <joseph@codesourcery.com>
187 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
188 define_splits, floatunssi<mode>2): Require x87 conversions from
189 DImode to be permitted.
191 2009-03-31 Joseph Myers <joseph@codesourcery.com>
193 PR preprocessor/15638
194 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
196 2009-03-31 Richard Guenther <rguenther@suse.de>
200 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
201 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
202 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
203 a separate statement.
204 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
205 (lookup_tmp_var): Likewise.
206 (is_gimple_formal_tmp_or_call_rhs): Remove.
207 (is_gimple_reg_or_call_rhs): Rename to ...
208 (is_gimple_reg_rhs_or_call): ... this.
209 (is_gimple_mem_or_call_rhs): Rename to ...
210 (is_gimple_mem_rhs_or_call): ... this.
211 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
212 DECL_GIMPLE_REG_P only if is_formal is true.
213 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
214 for non-proper post-modify expression gimplification.
215 (gimplify_self_mod_expr): For post-modify expressions gimplify
216 the lvalue to a minimal lvalue.
217 (rhs_predicate_for): Remove formal temp case.
218 (gimplify_modify_expr_rhs): Likewise.
219 (gimplify_addr_expr): Use is_gimple_reg.
220 (gimplify_expr): Remove formal temp cases.
221 (gimple_regimplify_operands): Likewise.
222 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
223 and FILTER_EXPR like constants.
224 * gimple.c (walk_gimple_op): Fix val_only initialization, use
226 (is_gimple_formal_tmp_rhs): Remove.
227 (is_gimple_reg_rhs): Remove special casing.
228 (is_gimple_mem_rhs): Fix.
229 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
230 (is_gimple_formal_tmp_var): Remove.
231 (is_gimple_formal_tmp_reg): Likewise.
232 (is_gimple_min_lval): Allow invariant component ref parts.
233 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
234 is_gimple_formal_tmp_reg): Remove declarations.
235 * tree-cfg.c (verify_expr): Verify that variables with address
236 taken do not have DECL_GIMPLE_REG_P set.
237 * tree-mudflap.c (mf_build_check_statement_for): Use
238 force_gimple_operand instead of gimplify_expr.
240 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
242 * modulo-sched.c (sms_schedule_by_order): Pass the actual
243 schedulable rows to compute_split_row.
245 2009-03-31 Ben Elliston <bje@au.ibm.com>
248 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
251 2009-03-31 Alan Modra <amodra@bigpond.net.au>
253 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
254 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
255 * configure: Regenerate.
256 * config.in: Regenerate.
257 * config/rs6000/rs6000.opt (mtls-markers): Add.
258 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
259 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
260 (tls_ld_aix, tls_ld_sysv): Likewise.
261 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
262 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
264 2009-03-31 Alan Modra <amodra@bigpond.net.au>
266 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
268 2009-03-30 Jan Hubicka <jh@suse.cz>
270 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
272 (tree_remove_unreachable_handlers): Cleanup EH predecestor
273 detection and label handling.
275 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
277 * ira-int.h (ira_allocno): Rename left_conflicts_num to
279 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
280 ALLOCNO_LEFT_CONFLICTS_SIZE.
282 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
283 remove_allocno_from_bucket_and_push,
284 allocno_spill_priority_compare, push_allocnos_to_stack,
285 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
286 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
287 (setup_allocno_left_conflicts_num): Ditto. Rename to
288 setup_allocno_left_conflicts_size.
289 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
290 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
291 setup_allocno_left_conflicts_size instead of
292 setup_allocno_left_conflicts_num.
294 * ira-build.c (ira_create_allocno): Use
295 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
296 ALLOCNO_LEFT_CONFLICTS_NUM.
298 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
300 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
301 instead of DF_LR_OUT.
303 * ira-lives.c (process_bb_node_lives): Ditto.
305 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
306 instead of DF_LR_{OUT,IN}.
308 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
310 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
312 2009-03-30 Jan Hubicka <jh@suse.cz>
314 * except.c (label_to_region_map): Fix thinko.
316 2009-03-30 Steve Ellcey <sje@cup.hp.com>
319 * tree.h (tree_find_value): New declaration.
320 * tree.c (tree_find_value): New function.
321 * varasm.c (assemble_external): Avoid duplicate entries on lists.
323 2009-03-30 Jakub Jelinek <jakub@redhat.com>
326 * c-decl.c (struct c_binding): Add locus field.
327 (bind): Add locus argument, set locus field from it.
328 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
329 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
330 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
331 implicitly_declare, undeclared_variable, lookup_label,
332 declare_label, c_make_fname_decl, c_builtin_function,
333 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
336 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
339 * config/i386/i386.c (classify_argument): Check total size of
342 2009-03-30 Martin Jambor <mjambor@suse.cz>
344 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
345 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
346 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
349 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
350 seen_variable_array_ref while also traversing a union.
352 * tree-inline.c (optimize_inline_calls): Do not call
353 cgraph_node_remove_callees.
354 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
355 (pass_remove_cgraph_callee_edges): New variable.
356 * passes.c (init_optimization_passes): Add
357 pass_remove_cgraph_callee_edges after early inlining and before all
358 late intraprocedural passes.
360 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
362 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
364 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
367 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
369 * combine.c (simplify_comparison): Use have_insn_for.
370 * dojump.c (do_jump): Likewise.
372 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
374 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
375 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
376 sparc_compare_op0 like sparc_compare_emitted used to be handled.
377 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
378 instead of sparc_compare_emitted.
379 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
380 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
381 instead of sparc_compare_emitted.
383 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
385 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
386 enter/exit cfglayout mode.
387 (pass_partition_block): Require it.
388 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
389 (combine_instructions): Track basic blocks instead of labels.
390 (update_cfg_for_uncondjump): New.
391 (try_combine): Use it. Update jumps after rescanning.
392 (pass_combine): Require PROP_cfglayout.
393 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
395 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
397 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
398 Provide/destroy PROP_cfglayout respectively.
399 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
400 * tree-pass.h (PROP_cfglayout): New.
402 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
404 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
405 fold_convert_const_fixed_from_fixed,
406 fold_convert_const_fixed_from_int,
407 fold_convert_const_fixed_from_real, fold_negate_const): Do not
408 set TREE_CONSTANT_OVERFLOW.
409 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
410 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
412 2009-03-30 Ira Rosen <irar@il.ibm.com>
414 * tree-vect-loop-manip.c: New file.
415 * tree-vectorizer.c: Update documentation and included files.
416 (vect_loop_location): Make extern.
417 (rename_use_op): Move to tree-vect-loop-manip.c
418 (rename_variables_in_bb, rename_variables_in_loop,
419 slpeel_update_phis_for_duplicate_loop,
420 slpeel_update_phi_nodes_for_guard1,
421 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
422 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
423 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
424 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
425 find_loop_location): Likewise.
426 (new_stmt_vec_info): Move to tree-vect-stmts.c.
427 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
428 get_vectype_for_scalar_type, vect_is_simple_use,
429 supportable_widening_operation, supportable_narrowing_operation):
431 (bb_in_loop_p): Move to tree-vect-loop.c.
432 (new_loop_vec_info, destroy_loop_vec_info,
433 reduction_code_for_scalar_code, report_vect_op,
434 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
435 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
436 (vect_supportable_dr_alignment): Likewise.
437 * tree-vectorizer.h (tree-data-ref.h): Include.
438 (vect_loop_location): Declare.
439 Reorganize function declarations according to the new file structure.
440 * tree-vect-loop.c: New file.
441 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
442 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
443 * tree-vect-data-refs.c: New file.
444 * tree-vect-patterns.c (timevar.h): Don't include.
445 * tree-vect-stmts.c: New file.
446 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
447 tree-vect-slp.c, tree-vect-loop.c.
448 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
449 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
450 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
451 (tree-vect-analyze.o): Remove.
452 (tree-vect-transform.o): Likewise.
453 (tree-vect-data-refs.o): Add rule.
454 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
455 tree-vect-slp.o): Likewise.
456 (tree-vect-patterns.o): Remove redundant dependencies.
457 (tree-vectorizer.o): Likewise.
458 * tree-vect-slp.c: New file.
460 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
462 * optc-gen.awk: Warn if an option flag has multiple different
465 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
467 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
468 -floop-block): Document dependences on PPL, CLooG and Graphite.
470 2009-03-30 Joseph Myers <joseph@codesourcery.com>
472 PR rtl-optimization/323
473 * c-common.c (c_fully_fold, convert_and_check,
474 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
475 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
476 * c-common.def (EXCESS_PRECISION_EXPR): New.
477 * c-cppbuiltin.c (builtin_define_float_constants): Define
478 constants with enough digits for long double.
479 * c-lex.c (interpret_float): Interpret constant with excess
480 precision where appropriate.
481 * c-opts.c (c_common_post_options): Set
482 flag_excess_precision_cmdline. Give an error for
483 -fexcess-precision=standard for C++ for processors where the
484 option is significant.
485 * c-parser.c (c_parser_conditional_expression): Handle excess
486 precision in condition.
487 * c-typeck.c (convert_arguments): Handle arguments with excess
489 (build_unary_op): Move excess precision outside operation.
490 (build_conditional_expr): Likewise.
491 (build_compound_expr): Likewise.
492 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
493 (build_modify_expr): Handle excess precision in RHS.
494 (convert_for_assignment): Handle excess precision in converted
496 (digest_init, output_init_element, process_init_element): Handle
497 excess precision in initializer.
498 (c_finish_return): Handle excess precision in return value.
499 (build_binary_op): Handle excess precision in operands and add
500 excess precision as needed for operation.
501 * common.opt (-fexcess-precision=): New option.
502 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
503 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
504 For standard excess precision, output explicit conversion to and
505 truncation from XFmode.
506 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
507 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
508 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
509 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
510 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
511 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
512 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
513 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
514 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
515 define_splits, sqrt<mode>2): Disable where appropriate for
516 standard excess precision.
517 * convert.c (convert_to_real): Do not shorten arithmetic to type
518 for which excess precision would be used.
519 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
520 * doc/invoke.texi (-fexcess-precision=): Document option.
521 (-mfpmath=): Correct index entry.
522 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
523 flag_excess_precision): New.
524 * langhooks.c (lhd_post_options): Set
525 flag_excess_precision_cmdline.
526 * opts.c (common_handle_option): Handle -fexcess-precision=.
527 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
528 init_excess_precision): New.
529 (lang_dependent_init_target): Call init_excess_precision.
530 * tree.c (excess_precision_type): New.
531 * tree.h (excess_precision_type): Declare.
533 2009-03-30 Joseph Myers <joseph@codesourcery.com>
536 * c-typeck.c (build_component_ref): Do not copy qualifiers from
537 non-lvalue to component.
539 2009-03-29 Joseph Myers <joseph@codesourcery.com>
541 PR preprocessor/34695
542 * Makefile.in (c-opts.o): Depend on c-tree.h.
543 * c-common.c: Move down include of diagnostic.h.
544 (done_lexing, c_cpp_error): New.
545 * c-common.h (done_lexing): Declare.
546 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
548 * c-opts.c: Include c-tree.h.
549 (c_common_init_options): Set preprocessor error callback.
550 (c_common_handle_option): Do not set preprocessor
551 inhibit_warnings, warnings_are_errors, warn_system_headers,
552 pedantic_errors or inhibit_warnings flags.
553 (c_common_post_options): Do not check cpp_errors (parse_in).
554 (c_common_finish): Do not output dependencies if there were
555 errors. Do not check return value of cpp_finish.
556 * c-ppoutput.c (pp_file_change): Set input_location.
557 * c-tree.h (c_cpp_error): Declare.
558 * diagnostic.c (diagnostic_set_info_translated): Also initialize
560 (diagnostic_build_prefix): Check override_column.
561 * diagnostic.h (diagnostic_info): Add override_column field.
562 (diagnostic_override_column): Define.
564 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
566 * c-common.c (c_expand_expr, c_staticp): Remove.
567 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
568 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
569 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
570 * c-gimplify.c (gimplify_compound_literal_expr,
571 optimize_compound_literals_in_ctor): Remove.
572 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
573 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
574 * c-semantics.c (emit_local_var): Remove.
576 * langhooks-def.h (lhd_expand_expr): Remove.
577 * langhooks.c (lhd_expand_expr): Remove.
578 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
580 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
581 handling from c-semantics.c; don't call into langhook.
582 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
583 * gimplify.c (gimplify_compound_literal_expr,
584 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
585 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
586 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
587 as was done in c-gimplify.c.
588 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
589 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
590 Move from c-common.h.
591 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
593 * tree.c (staticp): Do not call langhook.
594 * langhooks.c (lhd_staticp): Delete.
595 * langhooks-def.h (lhd_staticp): Delete prototype.
596 (LANG_HOOKS_STATICP): Delete.
597 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
599 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
600 instead of DECL_STMTs.
602 2009-03-29 Joseph Myers <joseph@codesourcery.com>
610 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
612 (fold_call_expr): Return a NOP_EXPR from folding rather than the
613 contained expression.
614 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
615 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
616 conditional expressions for C.
617 (decl_constant_value_for_optimization): Move from
618 decl_constant_value_for_broken_optimization in c-typeck.c. Check
619 whether optimizing and that the expression is a VAR_DECL not of
620 array type instead of doing such checks in the caller. Do not
621 check pedantic. Call gcc_unreachable for C++.
622 * c-common.def (C_MAYBE_CONST_EXPR): New.
623 * c-common.h (c_fully_fold, c_save_expr,
624 decl_constant_value_for_optimization): New prototypes.
625 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
626 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
627 EXPR_INT_CONST_OPERANDS): Define.
628 * c-convert.c (convert): Strip nops from expression.
629 * c-decl.c (groktypename): Take extra parameters expr and
630 expr_const_operands. Update call to grokdeclarator.
631 (start_decl): Update call to grokdeclarator. Add statement for
632 expressions used in type of decl.
633 (grokparm): Update call to grokdeclarator.
634 (push_parm_decl): Update call to grokdeclarator.
635 (build_compound_literal): Add parameter non_const and build a
636 C_MAYBE_COSNT_EXPR if applicable.
637 (grokdeclarator): Take extra parameters expr and
638 expr_const_operands. Track expressions used in declaration
639 specifiers and declarators. Fold array sizes and track whether
640 they are constant expressions and whether they are integer
641 constant expressions.
642 (parser_xref_tag): Set expr and expr_const_operands fields in
644 (grokfield): Update call to grokdeclarator.
645 (start_function): Update call to grokdeclarator.
646 (build_null_declspecs): Set expr and expr_const_operands fields in
648 (declspecs_add_type): Handle expressions in typeof specifiers.
649 * c-parser.c (c_parser_declspecs): Set expr and
650 expr_const_operands fields for declaration specifiers.
651 (c_parser_enum_specifier): Likewise.
652 (c_parser_struct_or_union_specifier): Likewise.
653 (c_parser_typeof_specifier): Likewise. Update call to
654 groktypename. Fold expression as needed. Return expressions with
655 type instead of adding statements.
656 (c_parser_attributes): Update calls to c_parser_expr_list.
657 (c_parser_statement_after_labels): Fold expression before passing
658 to objc_build_throw_stmt.
659 (c_parser_condition): Fold expression.
660 (c_parser_asm_operands): Fold expression.
661 (c_parser_conditional_expression): Use c_save_expr. Update call
662 to build_conditional_expr.
663 (c_parser_alignof_expression): Update call to groktypename.
664 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
665 original_code. Fold expression argument of va_arg. Create
666 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
667 argument to va_arg. Update calls to groktypename. Fold array
668 index for offsetof. Verify that first argument to
669 __builtin_choose_expr has integer type.
670 (c_parser_postfix_expression_after_paren_type): Update calls to
671 groktypename and build_compound_literal. Handle expressions with
672 side effects in type name.
673 (c_parser_postfix_expression_after_primary): Update call to
674 c_parser_expr_list. Set original_code for calls to
675 __builtin_constant_p.
676 (c_parser_expr_list): Take extra parameter fold_p. Fold
677 expressions if requested.
678 (c_parser_objc_type_name): Update call to groktypename.
679 (c_parser_objc_synchronized_statement): Fold expression.
680 (c_parser_objc_receiver): Fold expression.
681 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
682 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
683 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
684 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
685 (struct c_typespec): Add elements expr and expr_const_operands.
686 (struct c_declspecs): Add elements expr and expr_const_operands.
687 (groktypename, build_conditional_expr, build_compound_literal):
689 (in_late_binary_op): Declare.
690 * c-typeck.c (note_integer_operands): New function.
691 (in_late_binary_op): New variable.
692 (decl_constant_value_for_broken_optimization): Move to c-common.c
693 and rename to decl_constant_value_for_optimization.
694 (default_function_array_conversion): Do not strip nops.
695 (default_conversion): Do not call
696 decl_constant_value_for_broken_optimization.
697 (build_array_ref): Do not fold result.
698 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
699 result when operand is a VLA.
700 (c_expr_sizeof_type): Update call to groktypename. Handle
701 expressions included in type name. Use C_MAYBE_CONST_EXPR for
702 result when operand names a VLA type.
703 (build_function_call): Update call to build_compound_literal.
704 Only fold result for calls to __builtin_* functions. Strip
705 NOP_EXPR from INTEGER_CST returned from such functions. Fold
706 the function designator.
707 (convert_arguments): Fold arguments. Update call to
708 convert_for_assignment.
709 (build_unary_op): Handle increment and decrement of
710 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
711 decrement earlier. Fold operand of increment and decrement.
712 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
713 built for integer operand. Wrap returns that are INTEGER_CSTs
714 without being integer constant expressions or that have integer
715 constant operands without being INTEGER_CSTs.
716 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
717 (build_conditional_expr): Add operand ifexp_bcp. Track whether
718 result is an integer constant expression or can be used in
719 unevaluated parts of one and avoid folding and wrap as
720 appropriate. Fold operands before possibly doing -Wsign-compare
722 (build_compound_expr): Wrap result for C99 if operands can be used
723 in integer constant expressions.
724 (build_c_cast): Update call to digest_init. Do not ignore
725 overflow from casting floating-point constants to integers. Wrap
726 results that could be confused with integer constant expressions,
727 null pointer constants or floating-point constants.
728 (c_cast_expr): Update call to groktypename. Handle expressions
729 included in type name.
730 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
731 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
732 Update calls to convert_for_assignment.
733 (convert_for_assignment): Take new parameter
734 null_pointer_constant. Do not strip nops or call
735 decl_constant_value_for_broken_optimization. Set
736 in_late_binary_op for conversions to boolean.
737 (store_init_value): Update call to digest_init.
738 (digest_init): Take new parameter null_pointer_constant. Do not
739 call decl_constant_value_for_broken_optimization. pedwarn for
740 initializers not constant expressions. Update calls to
741 convert_for_assignment.
742 (constructor_nonconst): New.
743 (struct constructor_stack): Add nonconst element.
744 (really_start_incremental_init, push_init_level, pop_init_level):
745 Handle constructor_nonconst and nonconst element.
746 (set_init_index): Call constant_expression_warning for array
748 (output_init_element): Fold value. Set constructor_nonconst as
749 applicable. pedwarn for initializers not constant expressions.
750 Update call to digest_init. Call constant_expression_warning
751 where constant initializers are required.
752 (process_init_element): Use c_save_expr.
753 (c_finish_goto_ptr): Fold expression.
754 (c_finish_return): Fold return value. Update call to
755 convert_for_assignment.
756 (c_start_case): Fold switch expression.
757 (c_process_expr_stmt): Fold expression.
758 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
759 ensure statement expression is not evaluated in constant expression.
760 (build_binary_op): Track whether results are integer constant
761 expressions or may occur in such, disable folding and wrap results
762 as applicable. Fold operands for -Wsign-compare warnings unless
764 (c_objc_common_truthvalue_conversion): Handle results folded to
765 integer constants that are not integer constant expressions.
766 * doc/extend.texi: Document when typeof operands are evaluated,
767 that condition of __builtin_choose_expr is an integer constant
768 expression, and more about use of __builtin_constant_p in
771 2009-03-29 Richard Guenther <rguenther@suse.de>
773 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
774 propagate addresses of array references.
776 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
778 * regmove.c (perhaps_ends_bb_p): Remove.
779 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
780 from INSN and check that the main loop stays within that basic block.
781 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
782 (regmove_forward_pass): Split out from regmove_optimize. Use
783 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
784 (regmove_backward_pass): Split out from regmove_optimize. Use
785 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
786 (regmove_optimize): Simplify.
788 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
791 * config/i386/i386.c (classify_argument): Ignore flexible array
792 member in struct and warn ABI change.
794 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
796 * config/i386/i386-protos.h (ix86_agi_dependent): New.
798 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
799 (ix86_adjust_cost): Updated.
801 2009-03-29 Jan Hubicka <jh@suse.cz>
804 * tree-pass.h (pass_cleanup_eh): New function.
805 (remove_unreachable_regions): Break code handling RTL
806 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
807 that can not be reached by runtime.
808 (can_be_reached_by_runtime): New function.
809 (label_to_region_map): New function.
810 (num_eh_regions): New function.
811 (rtl_remove_unreachable_regions): New function.
812 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
813 (remove_eh_region): New function.
814 * except.h: Include sbitmap and vecprim.
815 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
816 num_eh_regions): Declare.
817 * passes.c (init_optimization_passes): Schedule cleanup_eh.
818 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
819 * tree-eh.c (tree_remove_unreachable_handlers): New function.
820 (tree_empty_eh_handler_p): New function.
821 (cleanup_empty_eh): New function.
822 (cleanup_eh): New function.
823 (pass_cleanup_eh): New function.
825 2009-03-29 Jan Hubicka <jh@suse.cz>
827 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
830 2009-03-29 Jan Hubicka <jh@suse.cz>
832 * except.c (dump_eh_tree): Dump all datastructures.
834 2009-03-29 Jan Hubicka <jh@suse.cz>
836 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
837 (duplicate_eh_regions_1): Likewise.
838 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
839 vector; call EH verification.
840 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
841 Be ready for region being removed.
843 2009-03-29 Jan Hubicka <jh@suse.cz>
845 * bitmap.c (bitmap_last_set_bit): New function.
846 * bitmap.h (bitmap_last_set_bit): Declare.
848 2009-03-29 David Ayers <ayers@fsfe.org>
851 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
852 by calling objc_compare_types and surpress warnings about
853 incompatible C pointers that are compatible ObjC pointers.
855 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
857 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
858 call initialize_inline_failed.
859 (initialize_inline_failed): Move it from here ...
860 * cgraph.c (initialize_inline_failed): ... to here.
861 (cgraph_create_edge): Call initialize_inline_failed rather than
862 setting inline_failed directly.
864 2009-03-29 Ben Elliston <bje@au.ibm.com>
867 * sysv4.opt (msdata): Improve comment.
868 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
869 * sysv4.h (SVR4_ASM_SPEC): Likewise.
871 2009-03-29 Ben Elliston <bje@au.ibm.com>
874 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
875 load and store attributes.
877 2009-03-29 Ben Elliston <bje@au.ibm.com>
879 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
880 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
881 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
882 * doc/extend.texi (X86 Built-in Functions): Add index entries for
883 __builtin_infq and __builtin_huge_valq.
885 2009-03-28 Anatoly Sokolov <aesok@post.ru>
887 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
889 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
890 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
892 2009-03-28 Xinliang David Li <davidxl@google.com>
894 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
895 (do_dbg_cnt): New function.
897 2009-03-28 Jan Hubicka <jh@suse.cz>
899 Merge from pretty-ipa:
901 2009-03-27 Jan Hubicka <jh@suse.cz>
903 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
904 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
905 * passes.c (function_called_by_processed_nodes_p): New.
906 * ipa-pure-const.c (check_call): Fix handling of operands.
907 (analyze_function): Dump debug output for skipped bodies.
908 (local_pure_const): Use function_called_by_processed_nodes_p.
909 * dwarf2out.c (reference_to_unused): Use output.
910 * passes.c (do_per_function_toporder): Likewise.
912 2008-11-12 Jan Hubicka <jh@suse.cz>
914 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
915 * ipa-pure-const.c (funct_state_d): Add can throw field; make
916 state_set_in_source enum
917 (check_decl): Ignore memory tags; do not set fake looping flags;
919 (check_operand, check_tree, check_rhs_var, check_lhs_var,
920 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
921 (check_call, analyze_function): Rewrite.
923 (add_new_function): Update call of analyze_function.
924 (generate_summary): Add call of analyze_function.
925 (propagate): Propagate can_throw; handle state_set_in_source correctly.
926 (local_pure_const): New function.
927 (pass_local_pure_const): New pass.
928 * ipa-inline.c (inline_transform): Set after_inlining.
929 * tree-eh.c (stmt_can_throw_external): New.
930 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
931 work with aliasing built.
932 * tree-flow.h (stmt_can_throw_external): New.
933 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
934 and local pure/const pass in early and late optimization queue.
936 2009-03-28 Martin Jambor <mjambor@suse.cz>
938 * fold-const.c (get_pointer_modulus_and_residue): New parameter
940 (fold_binary): Allow function decl aligment consideration is the
941 second argument is integer constant one.
942 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
943 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
944 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
946 2009-03-28 Jan Hubicka <jh@suse.cz>
948 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
949 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
950 * function.h (rtl_data): Add nothrow flag.
951 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
952 set DECL_NOTHROW for AVAILABLE functions.
954 2009-03-28 Jakub Jelinek <jakub@redhat.com>
956 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
957 following vector keyword has expansion starting with pixel or bool
958 keyword, expand vector to __vector and pixel or bool to __pixel or
962 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
963 warn_if_disallowed_function_p): Removed.
964 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
965 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
966 warning_if_disallowed_function_p.
967 * flags.h (warn_if_disallowed_function_p,
968 warn_disallowed_functions): Removed.
969 * common.opt (Wdisallowed-function-list=): Removed.
970 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
972 2009-03-28 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/38723
975 * tree-ssa-pre.c (compute_avail): Add all default definitions to
978 2009-03-28 Jan Hubicka <jh@suse.cz>
980 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
981 test introduced by my previous patch.
983 2009-03-28 Richard Guenther <rguenther@suse.de>
985 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
986 the PHIs value undefined.
988 2009-03-28 Jan Hubicka <jh@suse.cz>
990 * tree-pass.h (pass_fixup_cfg): New pass.
991 * ipa-inline.c (inline_transform): Set
992 always_inline_functions_inlined/after_inlining.
993 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
994 (pass_fixup_cfg): New pass.
995 * passes.c (init_optimization_passes): Add fixup_cfg.
997 2009-03-28 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/38458
1000 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1001 argument use the arguments copy-of value.
1003 2009-03-28 Richard Guenther <rguenther@suse.de>
1005 PR tree-optimization/38180
1006 * tree-ssa-ccp.c (get_default_value): Simplify.
1007 (likely_value): Likewise.
1008 (surely_varying_stmt_p): Properly handle VOP case.
1009 (ccp_initialize): Likewise.
1010 (ccp_fold): Handle propagating through *&.
1011 (fold_const_aggregate_ref): Also handle decls.
1013 2009-03-28 Jan Hubicka <jh@suse.cz>
1015 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1016 * cgraph.h (cgraph_node): Likewise.
1017 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1018 (cgraph_reset_node): Use process flag.
1019 (cgraph_mark_functions_to_output): Likewise.
1020 (cgraph_expand_function): Likewise.
1021 (cgraph_expand_all_functions): Likewise.
1022 (cgraph_output_in_order): Likewise.
1023 * dwarf2out.c (reference_to_unused): Likewise.
1024 * passes.c do_per_function_toporder): Likewise.
1026 2009-03-28 Jan Hubicka <jh@suse.cz>
1028 Bring from lto-branch:
1030 2008-09-03 Doug Kwan <dougkwan@google.com>
1032 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1033 enums instead of reason strings.
1034 * cgraph.c (cgraph_create_edge): Same.
1035 (cgraph_inline_failed_string): New function.
1036 * cgraph.h (cgraph_inline_failed_t): New enum type.
1037 (cgraph_inline_failed_string): New prototype.
1038 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1039 char pointer to cgraph_inline_failed_t.
1040 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1041 (cgraph_default_inline_p): Ditto.
1042 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1043 to cgraph_inline_failed_t pointer.
1044 * cif-code.def: New file.
1045 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1047 (cgraph_check_inline_limits): Change type of REASON to pointer to
1048 cgraph_inline_failed_t. Replace reason strings with enums.
1049 (cgraph_default_inline_p): Ditto.
1050 (cgraph_recursive_inlining_p): Ditto.
1051 (update_caller_keys): Change type of FAILED_REASON to
1052 cgraph_inline_failed_t.
1053 (cgraph_set_inline_failed): Change type of REASON to pointer to
1054 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1055 convert enums to strings for text output.
1056 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1057 to be of type cgraph_inline_failed_t. Replace reason strings with
1058 enums. Call cgraph_inline_failed_string to covert enums
1059 to strings for text output.
1060 (cgraph_decide_inlining): Replace reason strings with enums.
1061 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1062 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1064 * tree-inline.c (expand_call_inline): Change type of REASON
1065 to cgraph_inline_failed_t. Replace reason strings with enums.
1066 Call cgraph_inline_failed_string for text output.
1067 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1070 2009-03-28 Jan Hubicka <jh@suse.cz>
1072 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1073 cgraph_clone_node): Remove master clone handling.
1074 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1075 * cgraph.h (master_clone): Remove.
1076 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1077 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1078 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1080 2009-03-28 Jan Hubicka <jh@suse.cz>
1082 * cgraph.c (cgraph_function_body_availability): Functions declared
1083 inline are always safe to assume that it is not going to be replaced.
1085 2009-03-28 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/38513
1088 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1089 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1090 EXC_PTR_EXPR and FILTER_EXPR.
1091 (get_ref_from_reference_ops): Likewise.
1093 2009-03-28 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/38968
1096 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1097 Use FLOOR_MOD_EXPR to compute misalignment.
1099 2009-03-28 Richard Guenther <rguenther@suse.de>
1101 PR tree-optimization/37795
1102 * tree.h (combine_comparisons): Declare.
1103 * fold-const.c (combine_comparisons): Export.
1104 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1106 (ifcombine_iforif): Use combine_comparisons.
1108 2009-03-28 Jan Hubicka <jh@suse.cz>
1110 * tree-eh.c (inlinable_call_p): New function.
1111 (make_eh_edges): Use it.
1112 (verify_eh_edges): Use it.
1113 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1114 * except.c (reachable_next_level): Add inlinable_function argument
1115 (sjlj_find_directly_reachable_regions): Update.
1116 (add_reachable_handler): Do not set saw_any_handlers.
1117 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1118 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1119 Add new inlinable call parameter.
1120 (can_throw_internal, can_throw_external): Update.
1121 * except.h (can_throw_internal_1, can_throw_external_1,
1122 foreach_reachable_handler): Update declaration.
1124 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1126 * config/arm/t-arm-coff, config/h8300/coff.h,
1127 config/i386/i386-aout.h, config/i386/i386-coff.h,
1128 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1129 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1130 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1131 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1132 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1133 sys-types.h: Remove.
1134 * Makefile.in: Remove protoize and fixproto support and references
1136 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1137 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1139 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1140 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1141 unprotoize$(exeext).
1142 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1143 (.PHONY): Don't depend on proto.
1144 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1145 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1146 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1147 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1148 build/gen-protos.o, build/scan.o, xsys-protos.h,
1149 build/fix-header$(build_exeext), build/fix-header.o,
1150 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1151 stmp-install-fixproto): Remove.
1152 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1153 SYSCALLS.c or fixproto files.
1154 (install-common): Don't install protoize.
1155 (install-headers-tar, install-headers-cpio, install-headers-cp):
1156 Don't depend on $(STMP_FIXPROTO).
1157 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1158 install fixproto files or write out fixproto settings.
1159 (uninstall): Don't uninstall protoize.
1160 * config.gcc (use_fixproto): Remove.
1161 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1162 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1163 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1164 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1165 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1166 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1167 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1168 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1169 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1170 * config/t-vxworks (STMP_FIXPROTO): Remove.
1171 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1172 STMP_FIXPROTO): Remove.
1173 * config.in, configure: Regenerate.
1174 * crtstuff.c (gid_t, uid_t): Don't undefine.
1175 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1176 (arm-*-coff, arm-*-aout: Remove target entries.
1177 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1178 Remove mention of AIX 4.1.
1179 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1180 * doc/invoke.texi (Running Protoize): Remove.
1181 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1182 (Protoize Caveats): Remove.
1183 * tsystem.h: Update comments on headers assumed to exist.
1185 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1187 * genautomata.c: Add a new year to the copyright. Add a new
1189 (struct insn_reserv_decl): Add comments for member bypass_list.
1190 (find_bypass): Remove.
1191 (insert_bypass): New.
1192 (process_decls): Use insert_bypass.
1193 (output_internal_insn_latency_func): Output all bypasses with the
1194 same input insn in one switch case.
1196 * rtl.def (define_bypass): Describe bypass choice.
1197 * doc/md.texi (define_bypass): Ditto.
1199 2009-03-27 Richard Guenther <rguenther@suse.de>
1201 * gimplify.c (mark_addressable): Export.
1202 * tree-flow.h (mark_addressable): Declare.
1203 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1204 * tree-ssa.c (verify_phi_args): Verify that address taken
1205 variables have TREE_ADDRESSABLE set.
1207 2009-03-27 Richard Guenther <rguenther@suse.de>
1209 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1210 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1211 Do not mark decls TREE_ADDRESSABLE.
1212 (build_fold_addr_expr): Adjust.
1213 (fold_addr_expr): Remove.
1214 (fold_unary): Use build_fold_addr_expr.
1215 (fold_comparison): Likewise.
1216 (split_address_to_core_and_offset): Likewise.
1217 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1219 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1220 (gimplify_modify_expr_to_memcpy): Mark source and destination
1222 * omp-low.c (create_omp_child_function): Mark the object decl
1224 (lower_rec_input_clauses): Mark the var we take the address of
1226 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1228 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1231 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1232 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1234 2009-03-27 Richard Guenther <rguenther@suse.de>
1236 PR tree-optimization/39120
1237 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1239 (handle_lhs_call): Process return constraints. Add escape
1240 constraints if necessary.
1241 (handle_const_call): Fill out return constraints. Make nested
1242 case more precise. Avoid consttmp if possible.
1243 (handle_pure_call): Fill out return constraints. Avoid
1244 callused if possible.
1245 (find_func_aliases): Simplify call handling.
1247 2009-03-27 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/39120
1250 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1251 as a representative.
1252 (solve_graph): Do propagate CALLUSED.
1253 (handle_pure_call): Use a scalar constraint from CALLUSED for
1255 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1258 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1261 * c-common.c (handle_aligned_attribute): Properly check alignment
1262 overflow. Use (1U << i) instead of (1 << i).
1264 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1266 * expr.h (get_mem_align_offset): Updated.
1268 * tree.h (tree_decl_common): Change align to "unsigned int" and
1269 move it before pointer_alias_set.
1271 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1272 Jakub Jelinek <jakub@redhat.com>
1275 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1276 gr_register_operand with gr_reg_or_0_operand.
1277 (cmpxchg_rel_di): Likewise.
1278 (sync_lock_test_and_set<mode>): Likewise.
1280 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1282 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1283 (true_regnum): Likewise.
1285 * rtlanal.c (subreg_info): Moved to ...
1286 * rtl.h (subreg_info): Here. New.
1287 (subreg_get_info): New.
1289 * rtlanal.c (subreg_get_info): Make it extern.
1291 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1294 * config/i386/i386.c (ix86_abi): New.
1295 (override_options): Handle -mabi=.
1296 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1297 (ix86_call_abi_override): Likewise.
1298 (init_cumulative_args): Likewise.
1299 (function_arg_advance): Likewise.
1300 (function_arg_64): Likewise.
1301 (function_arg): Likewise.
1302 (ix86_pass_by_reference): Likewise.
1303 (ix86_function_value_regno_p): Likewise.
1304 (ix86_build_builtin_va_list_abi): Likewise.
1305 (setup_incoming_varargs_64): Likewise.
1306 (is_va_list_char_pointer): Likewise.
1307 (ix86_init_machine_status): Likewise.
1308 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1309 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1310 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1311 (ix86_function_abi): Make it static and return enum calling_abi.
1312 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1314 (ix86_fn_abi_va_list): Updated.
1316 * config/i386/i386.h (ix86_abi): New.
1317 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1318 (CONDITIONAL_REGISTER_USAGE): Likewise.
1319 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1320 (machine_function): Likewise.
1322 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1324 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1325 (STACK_BOUNDARY): Likewise.
1326 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1328 * config/i386/i386.opt (mabi=): New.
1330 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1331 return enum calling_abi.
1332 (ix86_function_type_abi): Likewise.
1333 (ix86_function_abi): Removed.
1335 * doc/invoke.texi: Document -mabi= option for x86.
1337 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1339 * builtins.c (real_dconstp): Delete.
1340 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1342 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1343 Jakub Jelinek <jakub@redhat.com>
1346 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1347 (gen_subprogram_die): When a function is explicit, generate the
1348 DW_AT_explicit attribute.
1349 * langhooks.h (struct lang_hooks_for_decls): Add
1350 function_decl_explicit_p langhook.
1351 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1352 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1354 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1356 * builtins.c (fold_builtin_memory_op): Optimize memmove
1357 into memcpy if we can prove source and destination don't overlap.
1359 * tree-inline.c: Include gt-tree-inline.h.
1360 (clone_fn_id_num): New variable.
1361 (clone_function_name): New function.
1362 (tree_function_versioning): Use it.
1363 * Makefile.in (GTFILES): Add tree-inline.c.
1365 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1367 * BASE-VER: Change to 4.5.0.
1369 2009-03-27 Xinliang David Li <davidxl@google.com>
1371 PR tree-optimization/39557
1372 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1374 2009-03-27 Xinliang David Li <davidxl@google.com>
1376 PR tree-optimization/39548
1377 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1380 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1382 * c-common.c (pointer_int_sum): Use %wd on return from
1385 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1387 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1388 on return from tree_low_cst.
1390 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1393 * ginclude/stdarg.h (va_copy): Define also for
1394 __GXX_EXPERIMENTAL_CXX0X__.
1396 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1399 * builtins.h (c_strlen): Do not warn here.
1400 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1401 * c-common.c (pointer_int_sum): Take an explicit location.
1402 Warn about offsets out of bounds.
1403 * c-common.h (pointer_int_sum): Adjust declaration.
1405 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1407 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1410 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1413 * opts.c (warn_if_disallowed_function_p): Don't assume
1414 get_callee_fndecl must return non-NULL.
1416 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1418 PR rtl-optimization/39522
1419 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1420 when reg_reloaded_valid is set.
1422 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1424 * config/spu/divv2df3.c: New file.
1425 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1426 (DPBIT_FUNCS): Filter out _div_df.
1428 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1430 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1431 a jump insn, count that jump in the distance to the loop start.
1433 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1436 * config/sh/sh.c (calc_live_regs): Fix condition for global
1437 registers except PIC_OFFSET_TABLE_REGNUM.
1439 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1442 * doc/invoke.texi (-mconsole): New.
1446 (-mnop-fun-dllimport): New.
1450 (sub section "i386 and x86-64 Windows Options"): New.
1452 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1454 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1455 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1457 2009-03-25 Richard Guenther <rguenther@suse.de>
1460 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1463 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1465 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1466 neither of haifa/selective schedulers are working.
1468 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1470 * doc/invoke.texi (Debugging Options): Fix description of
1471 -fno-merge-debug-strings.
1473 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1475 * config/cris/libgcc.ver: New version-script.
1476 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1478 * configure.ac <GAS features, nop mnemonic>: Add pattern
1479 crisv32-*-* for "nop".
1480 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1481 * configure: Regenerate.
1483 2009-03-24 Ira Rosen <irar@il.ibm.com>
1485 PR tree-optimization/39529
1486 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1487 mark_sym_for_renaming for the tag copied to the new vector
1490 2009-03-24 Arthur Loiret <aloiret@debian.org>
1492 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1493 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1494 EXTRA_SPEC_FUNCTIONS.
1495 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1496 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1497 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1498 -march and -mtune options.
1500 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1502 * config/m68k/t-rtems: Add m5329 multilib.
1504 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1505 Jakub Jelinek <jakub@redhat.com>
1508 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1511 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1514 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1515 instead of c_parser_expression_conv, if original_code isn't one of the
1516 4 allowed comparison codes, fail.
1518 2009-03-23 Richard Guenther <rguenther@suse.de>
1520 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1521 * tree.h (struct tree_type): Likewise.
1522 * reload.h (struct insn_chain): Likewise.
1523 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1524 * function.h (struct function): Likewise.
1525 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1527 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1529 PR tree-optimization/39516
1530 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1532 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1534 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1535 should be set true if BITS_PER_WORD of target is bigger than 32
1537 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1539 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1540 Translate -B-options to -rpath-link. Correct existing
1541 rpath-link and conditionalize on !nostdlib.
1543 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1545 * doc/extend.texi (Function Attributes, Variable Attributes):
1547 * doc/invoke.texi (Debugging Options, Optimize Options)
1548 (i386 and x86-64 Options, MCore Options): Likewise.
1550 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1553 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1554 it for block local namespace aliases.
1555 (gen_decl_die): Pass context_die to gen_namespace_die.
1557 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1560 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1561 minimum or maximum value.
1563 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1565 * reginfo.c (globalize_reg): Recompute derived reg sets.
1567 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1570 * libgcc2.c (mprotect): Do not use signed arguments for
1571 VirtualProtect, use DWORD arguments. Also fix the 'may
1572 be used uninitialized' warning for the np variable.
1574 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1577 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1578 functions using regparm calling conventions when not optimizing.
1579 (ix86_function_sseregparm): Similarly for sseregparm calling
1582 2009-03-19 Li Feng <nemokingdom@gmail.com>
1585 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1586 dependence if the first conflict is after niter iterations.
1588 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1591 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1592 functions with dynamic stack-pointer adjustments.
1594 2009-03-19 Ben Elliston <bje@au.ibm.com>
1596 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1597 option; change to -msdata=data.
1599 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1601 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1604 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1607 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1609 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1611 * doc/invoke.texi (Code Gen Options): Expand discussion of
1614 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1616 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1617 * matrix-reorg.c (struct matrix_info): Likewise.
1618 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1619 * rtl.h (struct mem_attrs): Likewise.
1620 * df.h (struct df): Likewise.
1621 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1622 * ira-int.h (struct ira_allocno): Likewise.
1623 * df-scan.c (struct df_collection_rec): Likewise.
1624 * ira.c (struct equivalence): Likewise.
1625 * function.c (struct temp_slot): Likewise.
1626 * cfgloop.h (struct loop): Likewise.
1629 * function.c (use_register_for_decl): When not optimizing, disregard
1630 register keyword for variables with types containing methods.
1632 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1635 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1636 (is_simple_operand): Call contains_component_ref_p before calling data
1637 reference analysis that would fail on COMPONENT_REFs.
1639 * tree-vrp.c (search_for_addr_array): Fix formatting.
1641 2009-03-18 Richard Guenther <rguenther@suse.de>
1643 * tree-vect-transform.c (vect_loop_versioning): Fold the
1644 generated comparisons.
1645 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1646 (slpeel_tree_peel_loop_to_edge): Likewise.
1648 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1651 * opts.c (print_specific_help): In addition to `undocumented',
1652 accept `separate' and `joined' flags if passed alone. Describe
1653 output by the first matched one of those.
1654 (common_handle_option): Skip over empty strings.
1655 * gcc.c (display_help): Fix help string for `--help='.
1656 * doc/invoke.texi (Option Summary, Overall Options): With
1657 `--help=', classes and qualifiers can both be repeated, but
1658 only the latter can be negated. One should not pass only
1659 negated qualifiers. Fix markup and examples.
1662 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1664 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1665 and -fhelp=separate.
1667 2009-03-17 Jing Yu <jingyu@google.com>
1670 * function.h (struct rtl_data): Move is_thunk from here...
1671 (struct function): ...to here.
1672 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1673 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1675 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1677 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1678 (alpha_output_function_end_prologue): Likewise.
1679 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1680 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1681 (rs6000_output_function_epilogue): Likewise.
1682 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1684 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1687 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1688 from different units in a single alternative.
1689 (*truncdfsf_i387): Ditto.
1690 (*truncxfsf2_mixed): Ditto.
1691 (*truncxfdf2_mixed): Ditto.
1693 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1695 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1696 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1699 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1700 unused non-artificial variables when not optimizing.
1703 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1704 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1705 NAMESPACE_DECL in its DECL_INITIAL.
1708 * optabs.c (set_user_assembler_libfunc): New function.
1709 * expr.h (set_user_assembler_libfunc): New prototype.
1710 * c-common.c: Include libfuncs.h.
1711 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1712 for memcmp, memset, memcpy, memmove and abort.
1713 * Makefile.in (c-common.o): Depend on libfuncs.h.
1716 * dwarf2out.c (gen_inlined_enumeration_type_die,
1717 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1718 gen_tagged_type_instantiation_die): Removed.
1719 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1722 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1725 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1727 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1728 (check-parallel-%): Ditto.
1729 (check-consistency): Ditto.
1731 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1733 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1734 local variable rhs by NULL_TREE.
1736 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1739 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1741 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1744 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1746 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1749 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1750 for ms->sysv ABI calls only in 64bit mode.
1752 * config/i386/i386.md (untyped_call): Support 32bit.
1754 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1756 * doc/extend.texi: Replace x86_65 with x86_64.
1758 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1760 PR tree-optimization/39455
1761 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1762 mismatches for POINTER_TYPE_P (type).
1763 (number_of_iterations_le): Likewise.
1765 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1767 * config/picochip/picochip.c: Removed profiling support.
1768 * config/picochip/picochip.md: Removed profiling instruction.
1769 * config/picochip/picochip.h: Removed profiling builtin.
1771 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1773 * doc/install.texi (--with-host-libstdcxx): Document.
1775 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1778 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1779 generate a warning if the function name does not begin with
1780 "__vector" and the function has either the 'signal' or 'interrupt'
1781 attribute, from here to ...
1782 (avr_declare_function_name): ...here. New function.
1783 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1784 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1786 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1789 * cse.c (fold_rtx): Don't modify original const_arg1 when
1790 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1791 separate variable instead.
1792 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1793 from out of range shift counts.
1794 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1796 2008-03-13 Catherine Moore <clm@codesourcery.com>
1798 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1799 diagnostic.h with $(DIAGNOSTIC_H).
1801 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1804 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1806 * config/i386/sync.md (sync_compare_and_swap<mode>,
1807 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1808 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1810 (sync_double_compare_and_swapdi_pic,
1811 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1812 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1814 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1817 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1819 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1822 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1823 (avx_addsubv4df3): Likewise.
1824 (*avx_addsubv4sf3): Likewise.
1825 (sse3_addsubv4sf3): Likewise.
1827 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1830 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1832 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1835 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1836 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1837 registers for allocnos created from user-defined variables.
1839 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1842 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1843 of non-integer mode as well.
1845 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1847 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1848 for functions for which the parameter types are unknown.
1850 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1853 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1854 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1855 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1856 * config/i386/i386.c (ix86_local_alignment): For
1857 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1858 long long variables on the stack to avoid dynamic realignment.
1859 Allow the first argument to be a decl rather than type.
1860 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1862 2009-03-11 Nick Clifton <nickc@redhat.com>
1865 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1867 Add description to mno-lsim option.
1868 * config/mcore/mcore.h: Remove comment about deprecated m4align
1870 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1871 * doc/invoke.texi: Add description of mno-lsim and
1872 mstack-increment options.
1874 * config/fr30/fr30.opt: Document the -mno-lsim option.
1875 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1876 and -mno-lsim options.
1878 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1880 * fold-const.c (fold_comparison): Only call fold_inf_compare
1881 if the mode supports infinities.
1883 2009-03-11 Jason Merrill <jason@redhat.com>
1886 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1887 end already did. Notice GIMPLE_CALL modifications of the result.
1888 Don't copy debug information from an ignored decl or a decl from
1891 2009-03-10 Richard Guenther <rguenther@suse.de>
1892 Nathan Froyd <froydnj@codesourcery.com>
1895 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1896 (__divMODE3): Likewise.
1898 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1900 PR tree-optimization/39394
1901 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1902 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1904 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1906 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1907 inline asms for register asm ("") declarations.
1909 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1911 * fold-const.c (fold_unary): Fix comment.
1913 2009-03-07 Jan Hubicka <jh@suse.cz>
1916 * tree-inline.c (setup_one_parameter): Do replacement of const
1917 argument by constant in SSA form.
1919 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1922 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1923 determine alignment passed to assign_stack_local.
1924 (assign_parms_unsplit_complex): Likewise.
1925 * except.c (sjlj_build_landing_pads): Likewise.
1927 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1930 * tree-flow.h (add_referenced_var): Return bool instead of void.
1931 * tree-dfa.c (add_referenced_var): Return result of
1932 referenced_var_check_and_insert call.
1933 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1934 of referenced_var_check_and_insert.
1937 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1938 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1939 DIE, don't emit it if abstract origin already has it.
1940 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1941 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1943 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1945 * genpreds.c (needs_variable): Fix parentheses at variable name
1947 (write_tm_constrs_h): Indent generated code.
1949 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1951 * doc/extend.texi (Function Attributes): Add documentation
1954 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1957 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1958 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1960 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1962 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1965 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1968 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1969 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1971 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1973 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1974 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1975 constants instead of magic numbers.
1976 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1978 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1979 (x86_64_ms_abi_int_parameter_registers): Ditto.
1980 (x86_64_int_return_registers): Ditto.
1981 (ix86_maybe_switch_abi): Ditto.
1982 (ix86_expand_call): Ditto for clobbered_registers array.
1983 (ix86_hard_regno_mode_ok): Ditto.
1984 (x86_extended_QIreg_mentioned_p): Ditto.
1986 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1988 PR tree-optimization/39349
1989 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1991 * combine.c (gen_lowpart_for_combine): Use omode when generating
1994 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1996 PR rtl-optimization/39235
1997 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1999 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2001 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2003 2009-03-04 Richard Guenther <rguenther@suse.de>
2005 PR tree-optimization/39362
2006 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2007 that occur in abnormal PHIs should be varying.
2009 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2011 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2013 (simple_iv): Take loop as an argument instead of statement.
2014 * tree-scalar-evolution.h (simple_iv): Declaration changed.
2015 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2017 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2019 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2020 * matrix-reorg.c (analyze_transpose): Ditto.
2021 * tree-data-ref.c (dr_analyze_innermost): Ditto.
2022 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2023 * tree-predcom.c (ref_at_iteration): Ditto.
2024 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2026 2009-03-04 Richard Guenther <rguenther@suse.de>
2028 PR tree-optimization/39358
2029 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2030 escaped_id and callused_id.
2031 (solve_graph): Likewise.
2033 2009-03-04 Richard Guenther <rguenther@suse.de>
2035 PR tree-optimization/39339
2036 * tree-sra.c (try_instantiate_multiple_fields): Make it
2037 no longer ICE on the above.
2039 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2041 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2042 that fits within Pmode.
2044 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2047 * tm.texi (LIBCALL_VALUE): Update description.
2049 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2052 * doc/extend.texi (section): Update description.
2054 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2057 * tree-inline.c (remapped_type): New.
2058 (can_be_nonlocal): Call remapped_type instead of remap_type.
2060 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2063 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2064 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2066 2009-03-03 Richard Guenther <rguenther@suse.de>
2069 * tree.c (tree_nonartificial_location): New function.
2070 * tree.h (tree_nonartificial_location): Declare.
2071 * builtins.c (expand_builtin_memory_chk): Provide location
2072 of the call location for artificial function pieces.
2073 (maybe_emit_chk_warning): Likewise.
2074 (maybe_emit_sprintf_chk_warning): Likewise.
2075 (maybe_emit_free_warning): Likewise.
2076 * expr.c (expand_expr_real_1): Likewise.
2078 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2080 PR tree-optimization/39343
2081 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2082 COMPONENT_REF t has ARRAY_TYPE.
2084 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2087 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2088 when the type precision of the induction variable should be
2089 larger than the type precision of nit.
2090 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2091 * graphite.c (graphite_loop_normal_form): Same.
2092 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2094 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2096 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2097 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2098 numbers to describe clobbered registers.
2099 (*call_value_0_rex64_ms_sysv): Ditto.
2100 * config/i386/mmx.md (mmx_emms): Ditto.
2103 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2105 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2108 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2110 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2111 (spu_section_type_flags): New function.
2113 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2115 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2116 reg_class_contents of FLOAT_REGS into a temporary.
2118 2009-03-02 Richard Guenther <rguenther@suse.de>
2119 Ira Rosen <irar@il.ibm.com>
2121 PR tree-optimization/39318
2122 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2123 information to the vectorized statement.
2125 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2127 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2128 variable. Use defined names instead of magic constants for REX SSE
2131 2009-03-01 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/39331
2134 * omp-low.c (lower_send_shared_vars): Do not receive new
2135 values for the reference of DECL_BY_REFERENCE parms or results.
2137 2009-03-01 Jan Hubicka <jh@suse.cz>
2140 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2141 BLOCK_NONLOCALIZED_VAR): New macros.
2142 (tree_block): Add nonlocalized_vars.
2143 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2144 gen_decl_die): Add origin argument. Allow generation of die with
2145 origin at hand only.
2146 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2147 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2149 (gen_block_die): Fix checking for unused blocks.
2150 (process_scope_var): Break out from .... ; work with origins only.
2151 (decls_for_scope) ... here; process nonlocalized list.
2152 (dwarf2out_ignore_block): Look for nonlocalized vars.
2153 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2155 (dump_scope_block): Dump them.
2156 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2157 (remap_block): Likewise.
2158 (can_be_nonlocal): New predicate.
2159 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2161 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2163 * configure: Regenerate.
2165 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2167 * optc-gen.awk: No need to duplicate option flags twice.
2168 Reuse help texts for duplicate options which do not have any.
2170 * gcc.c (display_help): Document --version.
2172 * gcc.c (main): If print_help_list and verbose_flag, ensure
2173 driver output comes before subprocess output.
2175 * optc-gen.awk: Assign all remaining fields to help string,
2176 space-separated, for multi-line help in *.opt.
2178 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2179 -Wno-pedantic-ms-format is for MinGW targets only.
2181 * doc/options.texi (Option file format): Fix bad indentation,
2182 restoring dropped sentence.
2184 2009-02-28 Jan Hubicka <jh@suse.cz>
2186 * tree-inline.c (tree_function_versioning): Output debug info.
2188 2009-02-28 Jan Hubicka <jh@suse.cz>
2191 * tree-inline.c (setup_one_parameter): Do not copy propagate
2192 arguments when not optimizing.
2194 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2197 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2198 (avx_addsubv4df3): Likewise.
2199 (*avx_addsubv4sf3): Likewise.
2200 (sse3_addsubv4sf3): Likewise.
2201 (*avx_addsubv2df3): Likewise.
2202 (sse3_addsubv2df3): Likewise.
2203 (avx_unpckhps256): Correct item selectors.
2204 (avx_unpcklps256): Likewise.
2205 (avx_unpckhpd256): Likewise.
2206 (avx_unpcklpd256): Likewise.
2208 2009-02-28 Jan Hubicka <jh@suse.cz>
2210 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2212 (copy_arguments_for_versioning): If var is declared don't declare it.
2213 (tree_function_versioning): First setup substitutions and then copy
2216 2009-02-27 Jan Hubicka <jh@suse.cz>
2219 * cgraph.h (varpool_output_debug_info): Remove.
2220 * cgraphunit.c (varpool_output_debug_info): Remove.
2221 * dwarf2out.c (deferred_locations_struct): New struct
2222 (deferred_locations): New type.
2223 (deferred_locations_list): New static var.
2224 (deffer_location): New function.
2225 (gen_variable_die): Use it.
2226 (decls_for_scope): Output info on local static vars.
2227 (dwarf2out_finish): Process deferred locations.
2228 * varpool.c (varpool_output_debug_info): Remove.
2230 2009-02-27 Jan Hubicka <jh@suse.cz>
2233 * tree.h (TREE_PROTECTED): Fix comment.
2234 (BLOCK_HANDLER_BLOCK): Remove.
2235 (struct tree_block): Remove handler_block add body_block.
2236 (inlined_function_outer_scope_p): New.
2237 (is_body_block): Remove.
2238 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2239 * dwarf2out.c (is_inlined_entry_point): Remove.
2240 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2241 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2243 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2244 * gimplify.c (gimplify_expr): Gimplify body blocks.
2245 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2246 block with multiple subblocks.
2247 (dump_scope_block): Prettier output; dump more flags and info.
2248 (dump_scope_blocks): New.
2249 (remove_unused_locals): Use dump_scope_blocks.
2250 * tree-flow.h (dump_scope_blocks): Declare.
2251 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2252 * stmt.c (is_body_block): Remove.
2253 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2254 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2256 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2259 * graphite.c (graphite_loop_normal_form): Do not call
2260 number_of_iterations_exit from a gcc_assert.
2262 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2264 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2265 jumps if COND is NULL.
2266 (find_cond_jump): New function.
2267 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2268 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2270 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2272 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2273 force_const_mem returns NULL_RTX.
2275 2009-02-26 Jan Hubicka <jh@suse.cz>
2278 * cgraph.h (varpool_output_debug_info): Remove.
2279 * cgraphunit.c (varpool_output_debug_info): Remove.
2280 * dwarf2out.c (deferred_locations_struct): New struct
2281 (deferred_locations): New type.
2282 (deferred_locations_list): New static var.
2283 (deffer_location): New function.
2284 (gen_variable_die): Use it.
2285 (decls_for_scope): Output info on local static vars.
2286 (dwarf2out_finish): Process deferred locations.
2287 * varpool.c (varpool_output_debug_info): Remove.
2289 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2291 PR rtl-optimization/39241
2292 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2293 to subreg_offset_representable_p.
2295 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2297 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2298 execute function prototype. Get f and nregs from max_reg_num
2299 and get_insns. Remove the first backward pass as it's dead,
2300 guard the forward pass by flag_expensive_optimizations.
2301 (rest_of_handle_regmove): Delete.
2302 (pass_regmove): Replace it with regmove_optimize.
2304 2009-02-25 Martin Jambor <mjambor@suse.cz>
2306 PR tree-optimization/39259
2307 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2308 calls_alloca function flags.
2309 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2312 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2314 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2315 flags_set_1_rtx, flags_set_1_set): Delete.
2316 (regmove_optimize): Do not call mark_flags_life_zones.
2318 2009-02-24 Julian Brown <julian@codesourcery.com>
2321 * config/arm/arm.c (require_pic_register): Only set
2322 cfun->machine->pic_reg once per function.
2324 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2326 * doc/invoke.texi (Link Options): Document an easier way to pass
2327 options that take arguments to the GNU linker using -Xlinker and -Wl.
2329 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2332 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2334 2009-02-24 Richard Guenther <rguenther@suse.de>
2337 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2339 2009-02-24 Richard Guenther <rguenther@suse.de>
2340 Zdenek Dvorak <ook@ucw.cz>
2342 PR tree-optimization/39233
2343 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2344 from converting them to a generic type.
2346 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2348 PR tree-optimization/39260
2349 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2350 contains a condition with a real type.
2351 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2353 2009-02-23 Jason Merrill <jason@redhat.com>
2356 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2357 narrowing_initializer_constant_valid_p.
2358 (narrowing_initializer_constant_valid_p): Don't return
2359 null_pointer_node for adding a pointer to itself.
2361 2009-02-23 Jan Hubicka <jh@suse.cz>
2364 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2367 2009-02-23 Jan Hubicka <jh@suse.cz>
2369 PR tree-optimization/37709
2370 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2371 * tree.h (block_ultimate_origin): Declare.
2372 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2373 * tree-ssa-live.c (remove_unused_scope_block_p):
2374 Eliminate blocks containig no instructions nor live variables nor
2376 (dump_scope_block): New function.
2377 (remove_unused_locals): Enable removal of dead blocks by default;
2378 enable dumping at TDF_DETAILS.
2380 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2382 * config/i386/i386.c (classify_argument): Don't allow COImode
2384 (function_arg_advance_32): Don't allow OImode.
2385 (function_arg_32): Likewise.
2386 (function_value_32): Likewise.
2387 (return_in_memory_32): Likewise.
2388 (function_arg_64): Remove OImode comment.
2390 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2393 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2394 ix86_expand_vector_set for V4DImode in 64bit mode only.
2395 (ix86_expand_vector_init_one_var): Likewise.
2397 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2399 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2401 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2404 * loop-iv.c: Revert last change.
2405 * emit-rtl.c: Likewise.
2407 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2410 * config/i386/i386.c (type_natural_mode): Remove an extra
2411 space in the warning message.
2412 (function_value_32): Handle 32-byte vector modes.
2413 (return_in_memory_32): Likewise.
2415 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2417 * loop-iv.c (truncate_value): New function.
2418 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2420 (lowpart_subreg): Move to...
2421 * emit-rtl.c: ...here.
2423 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2425 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2426 accidental and undocumented change at revision 140860.
2428 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2430 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2431 take gimple_seq * arguments.
2432 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2433 types_compatible_p langhook.
2435 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2436 Joseph Myers <joseph@codesourcery.com>
2438 * config/arm/arm.c (arm_builtin_va_list): New function.
2439 (arm_expand_builtin_va_start): Likewise.
2440 (arm_gimplify_va_arg_expr): Likewise.
2441 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2442 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2443 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2444 (va_list_type): New variable.
2445 (arm_mangle_type): Mangle va_list_type appropriately.
2447 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2450 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2451 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2452 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2453 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2454 parameter to 1000 for -O1 by default.
2455 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2457 * loop-invariant.c: Include params.h.
2458 (move_loop_invariants): Don't call move_single_loop_invariants on
2461 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2463 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2464 offset when calculating bounds for indexing stack_usage_map. Fixes
2465 a buffer overflow with certain target setups.
2467 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2470 * calls.c (expand_call): Clear try_tail_call if caller and callee
2471 disagree in promotion of function return value.
2473 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2476 * c-common.c (c_determine_visibility): If visibility changed and
2477 DECL_RTL has been already set, call make_decl_rtl to update symbol
2480 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2483 * varasm.c (assemble_variable): Don't check DECL_NAME when
2484 globalizing a variable.
2486 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2489 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2490 expression before any __builtin_trap call.
2491 * c-typeck.c (build_function_call): Convert and check function
2492 arguments before generating a call to a trap. Evaluate the
2493 function arguments before the trap.
2495 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2498 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2499 (UNSPEC_FXAM_MEM): New unspec.
2500 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2501 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2502 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2504 2009-02-19 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/39207
2507 PR tree-optimization/39074
2508 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2509 storedanything_tree): New.
2510 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2511 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2512 (build_succ_graph): Add edges from STOREDANYTHING to all
2514 (init_base_vars): Initialize STOREDANYTHING.
2515 (compute_points_to_sets): Free substitution info after
2516 building the succ graph.
2517 (ipa_pta_execute): Likewise.
2519 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2521 (do_ds_constraint): Do not add to special var or non-pointer
2523 (type_could_have_pointers): Split out from ...
2524 (could_have_pointers): ... here. For arrays use the element type.
2525 (create_variable_info_for): Initialize may_have_pointers.
2526 (new_var_info): Likewise.
2527 (handle_lhs_call): Make the HEAP variable unknown-sized.
2528 (intra_create_variable_infos): Use a type with pointers for
2529 PARM_NOALIAS, make it unknown-sized.
2531 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2534 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2536 2009-02-18 Jason Merrill <jason@redhat.com>
2539 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2540 value if DECL_EXTERNAL.
2541 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2542 * target.h (gcc_target::binds_local_p): Clarify "module".
2543 * tree.h (TREE_PUBLIC): Clarify "module".
2545 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2548 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2549 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2551 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2554 * c.opt (Wabi): Support C and ObjC.
2557 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2559 * config/i386/i386.c (classify_argument): Warn once about the ABI
2560 change when passing union with long double.
2562 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2564 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2567 * c-parser.c (c_parser_compound_statement): Always enter and leave
2570 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2573 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2575 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2577 PR tree-optimization/36922
2578 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2579 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2582 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2584 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2587 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2589 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2591 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2593 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2596 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2597 Richard Sandiford <rdsandiford@googlemail.com>
2599 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2600 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2601 (loongson_biadd): ...this.
2603 2009-02-17 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/39202
2606 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2607 a var make sure to follow existing collapses.
2609 2009-02-17 Richard Guenther <rguenther@suse.de>
2612 * langhooks.c (lhd_print_error_function): Check for NULL block.
2614 2009-02-17 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/39204
2617 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2620 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2622 * config/soft-fp/double.h: Update from glibc CVS.
2624 2009-02-17 Richard Guenther <rguenther@suse.de>
2626 PR tree-optimization/39207
2627 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2628 strict-aliasing warnings for pointers pointing to NULL.
2630 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2633 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2634 skipping until next close brace.
2636 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2639 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2640 to function argument boundary.
2642 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2644 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2645 in the lea_add. Reload eventually constraints it properly.
2646 * config/picochip/constraints.md : Remove the target constraint
2647 "b", since it is not needed anymore.
2649 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2651 * gthr-dce.h: Uglify function parameter and local variable names.
2652 * gthr-gnat.h: Likewise.
2653 * gthr-mipssde.h: Likewise.
2654 * gthr-nks.h: Likewise.
2655 * gthr-posix95.h: Likewise.
2656 * gthr-posix.h: Likewise.
2657 * gthr-rtems.h: Likewise.
2658 * gthr-single.h: Likewise.
2659 * gthr-solaris.h: Likewise.
2660 * gthr-tpf.h: Likewise.
2661 * gthr-vxworks.h: Likewise.
2662 * gthr-win32.h: Likewise.
2664 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2667 * config/i386/i386.md: Restrict the new peephole2 to move
2668 between MMX/SSE registers.
2670 2009-02-15 Richard Guenther <rguenther@suse.de>
2673 2009-02-13 Richard Guenther <rguenther@suse.de>
2675 * configure.ac: Enable LFS.
2676 * configure: Re-generate.
2677 * config.in: Likewise.
2679 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2681 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2682 spu_srqwbyte, spu_srqwbytebc): Define.
2683 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2684 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2685 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2686 "shrqby_<mode>"): New insn-and-split patterns.
2687 * config/spu/spu.c (expand_builtin_args): Determine and return
2688 number of operands using spu_builtin_description data.
2689 (spu_expand_builtin_1): Use it.
2691 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2694 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2697 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2700 * config/i386/i386.c (override_options): Correct warning
2701 messages for -malign-loops, -malign-jumps and -malign-functions.
2703 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2706 * config/i386/i386.md: Restrict the new peephole2 to move
2707 between the general purpose registers.
2709 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2712 * config/i386/i386.c (type_natural_mode): Add a new argument.
2713 Return the original mode and warn ABI change if vector size is 32byte.
2714 (function_arg_advance): Updated.
2715 (function_arg): Likewise.
2716 (ix86_function_value): Likewise.
2717 (ix86_return_in_memory): Likewise.
2718 (ix86_sol10_return_in_memory): Likewise.
2719 (ix86_gimplify_va_arg): Likewise.
2720 (function_arg_32): Don't warn ABX ABI change here.
2721 (function_arg_64): Likewise.
2723 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2725 * loop-iv.c (implies_p): In the final case, test that operands 0
2726 of the two comparisons match.
2728 * config/bfin/bfin.c (find_prev_insn_start): New function.
2729 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2730 (find_next_insn_start): Move.
2732 2009-02-13 Richard Guenther <rguenther@suse.de>
2734 * configure.ac: Enable LFS.
2735 * configure: Re-generate.
2736 * config.in: Likewise.
2738 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2741 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2742 sizes on syntax error after some arguments have been parsed.
2744 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2746 * doc/invoke.texi (-fira): Remove.
2748 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2750 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2751 * recog.c: Likewise.
2754 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2756 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2757 (umul_ppmm): Likewise.
2758 (count_leading_zeros): Likewise.
2759 (count_trailing_zeros): Likewise.
2760 (UMUL_TIME): Likewise.
2762 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2764 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2765 soft-fp/t-softfp to tmake_file.
2767 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2768 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2769 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2770 IA64_BUILTIN_INFQ]: New.
2771 (ia64_init_builtins): Initialize __builtin_infq,
2772 __builtin_fabsq and __builtin_copysignq if not HPUX.
2773 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2774 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2776 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2778 (__fixtfti): Likewise.
2779 (__fixunstfti): Likewise.
2780 (__floattitf): Likewise.
2782 * config/ia64/libgcc-glibc.ver: New.
2783 * config/ia64/t-fprules-softfp: Likewise.
2784 * config/ia64/sfp-machine.h: Likewise.
2786 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2787 (LIBGCC2_TF_CEXT): Likewise.
2788 (TF_SIZE): Likewise.
2789 (TARGET_INIT_LIBFUNCS): Likewise.
2791 * config/ia64/t-glibc (SHLINB_MAPFILES):
2792 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2794 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2796 * config/i386/i386.c (construct_container): Rewrite processing
2797 BLKmode with X86_64_SSE_CLASS.
2799 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2802 * config/i386/i386.md: Replace simplify_replace_rtx with
2803 replace_rtx in the new peephole2.
2805 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2807 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2808 loop unrolling do not happen at -O2.
2810 2009-02-12 Michael Matz <matz@suse.de>
2812 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2814 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2816 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2819 2009-02-12 Ben Elliston <bje@au.ibm.com>
2821 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2822 patterns when updating the back chain. Missed in the 2009-02-10
2825 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2827 * doc/extend.texi (Decimal Floating Types): Update identifier of
2828 draft TR and list of missing support.
2830 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2833 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2834 bit to variable length decl's flags, add it also to its
2835 pointer replacement variable.
2837 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2838 Jakub Jelinek <jakub@redhat.com>
2841 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2842 (memory_blockage): New expander.
2843 (*memory_blockage): New insn pattern.
2844 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2845 instead of general blockage at the end of function prologue when
2846 frame pointer is used to access red zone area. Do not emit blockage
2847 when profiling, it is emitted in generic code.
2848 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2849 function epilogue when frame pointer is used to access red zone area.
2851 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2854 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2855 by arithmetic with memory operands.
2856 * config/i386/predicates.md (commutative_operator): New.
2858 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2860 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2863 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2865 * alias.h (record_alias_subset): Declare.
2866 * alias.c (record_alias_subset): Make global.
2868 2009-02-10 Nick Clifton <nickc@redhat.com>
2870 * tree-parloops.c: Change license to GPLv3.
2871 * ipa-struct-reorg.c: Change license to GPLv3.
2872 * ipa-struct-reorg.h: Change license to GPLv3.
2874 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2877 * c-decl.c (start_struct): Return NULL on error.
2879 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2882 * cfgloopmanip.c (remove_path): Call remove_bbs after
2883 cancel_loop_tree, not before it.
2886 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2887 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2888 VAR_DECLs were seen.
2889 * tree-ssa-live.c (remove_unused_locals): Recompute
2890 cfun->has_local_explicit_reg_vars.
2891 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2892 copies or clearings if cfun->has_local_explicit_reg_vars.
2894 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2897 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2898 of function prologue when frame pointer is used to access
2901 2009-02-10 Richard Guenther <rguenther@suse.de>
2904 * gimplify.c (gimple_regimplify_operands): Always look if
2905 we need to create a temporary.
2907 2009-02-10 Richard Guenther <rguenther@suse.de>
2909 PR tree-optimization/39132
2910 * tree-loop-distribution.c (todo): New global var.
2911 (generate_memset_zero): Trigger TODO_rebuild_alias.
2912 (tree_loop_distribution): Return todo.
2914 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2917 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2918 (x86_64_reg_class_name): Removed.
2919 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2920 first one isn't X86_64_SSE_CLASS or any other ones aren't
2921 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2922 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2923 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2924 and 3 X86_64_SSEUP_CLASS.
2925 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2926 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2928 2009-02-10 Ben Elliston <bje@au.ibm.com>
2930 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2931 form instruction to update the stack back chain word, even if the
2932 user has disabled the generation of update instructions.
2933 (movdi_<mode>_update_stack): New.
2934 (movsi_update_stack): Likewise.
2935 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2936 always use an update form instruction to update the stack back
2939 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2942 * graphite.c (if_region_set_false_region): After moving a region in
2943 the false branch of a condition, remove the empty dummy basic block.
2944 (gloog): Remove wrong fix for PR38953.
2946 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2948 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2949 generation due to implicit sign extension.
2951 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2954 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2955 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2957 2009-02-09 Richard Guenther <rguenther@suse.de>
2960 * convert.c (convert_to_real): Disable (float)fn((double)x)
2961 to fnf(x) conversion if errno differences may occur and
2962 -fmath-errno is set.
2964 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2966 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2967 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2968 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2970 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2973 * c-common.c (handle_alias_attribute): Disallow attribute for
2974 anything not a FUNCTION_DECL or VAR_DECL.
2976 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2979 * real.c (do_compare): Special-case compare of zero against
2980 decimal float value.
2982 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2985 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2986 as indicating flexible array members unless the field itself is
2987 being declarared as the incomplete array.
2989 2009-02-06 Jan Hubicka <jh@suse.cz>
2991 PR tree-optimization/38844
2992 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2995 2009-02-06 Richard Guenther <rguenther@suse.de>
2998 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2999 fork because we may expand it as __gcov_fork.
3001 2009-02-06 Nick Clifton <nickc@redhat.com>
3003 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3005 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
3007 PR tree-optimization/35659
3008 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3009 vn_phi_eq): Shortcut if hashcode does not match.
3010 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3012 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3013 and avoid iterative_hash_expr.
3014 (FOR_EACH_VALUE_ID_IN_SET): New.
3015 (value_id_compare): Remove.
3016 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3017 sort expressions by value id.
3019 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
3022 * config/sh/predicates.md (general_movsrc_operand): Don't check
3023 the subreg of system registers here.
3025 2009-02-05 Jakub Jelinek <jakub@redhat.com>
3028 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3031 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3033 PR rtl-optimization/39110
3034 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3035 addresses, not aligned ones.
3037 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3038 Richard Guenther <rguenther@suse.de>
3040 PR tree-optimization/39100
3041 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3042 comment says and add edges.
3044 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3047 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3048 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3050 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3052 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3053 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3054 register_bb_in_sese, new_sese, free_sese): Moved.
3055 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3056 outermost_loop_in_scop, build_scop_iteration_domain,
3057 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3058 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3059 Use loop_in_sese_p instead of loop_in_scop_p.
3060 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3061 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3062 (scopdet_basic_block_info): Fix bug in scop detection.
3063 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3064 eq_loop_to_cloog_loop): Remove.
3065 (nb_loops_around_loop_in_scop, nb_loop
3066 ref_nb_loops): Moved here...
3067 * graphite.h (ref_nb_loops): ... from here.
3068 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3069 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3070 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3071 * testsuite/gcc.dg/graphite/scop-19.c: New
3073 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3074 Hans-Peter Nilsson <hp@axis.com>
3076 PR rtl-optimization/37889
3077 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3078 Move offset handling from PLUS to before the switch. Use new
3079 arguments when considering SYMBOL_REFs too.
3080 (rtx_addr_can_trap_p): Pass dummy offset and size.
3081 (enum may_trap_p_flags): Remove.
3082 (may_trap_p_1): Pass size from MEM_SIZE.
3084 PR rtl-optimization/38921
3085 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3086 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3087 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3088 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3090 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3092 AVX Programming Reference (January, 2009)
3093 * config/i386/sse.md (*vpclmulqdq): New.
3095 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3097 PR tree-optimization/38977
3098 PR gcov-profile/38292
3099 * calls.c (special_function_p): Disregard __builtin_ prefix.
3101 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3103 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3104 non-indexable addresses even before reload.
3106 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3109 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3110 as having variable size. Do not give an error for unnamed
3111 parameters with [*] declarators. Give a warning for type names
3112 with [*] declarators and mark them as variable size.
3113 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3114 for sizeof applied to [*] type names.
3116 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3119 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3121 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3123 * gcc.c (process_command): Update copyright notice dates.
3124 * gcov.c (print_version): Likewise.
3125 * gcov-dump.c (print_version): Likewise.
3126 * mips-tfile.c (main): Likewise.
3127 * mips-tdump.c (main): Likewise.
3129 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3132 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3133 for composite type involving a zero-length array type.
3135 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3138 * function.c (match_asm_constraints_1): Skip over
3139 initial optional % in the constraint.
3142 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3143 supported, don't accept FIXED_CSTs.
3144 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3145 and _Sat is used without _Fract/_Accum. Set specs->type to
3146 integer_type_node for cts_fract/cts_accum if fixed point is not
3149 2009-02-02 Catherine Moore <clm@codesourcery.com>
3151 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3153 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3155 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3156 (ABI_HAS_64BIT_SYMBOLS): Use it.
3157 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3159 2009-02-02 Paul Brook <paul@codesourcery.com>
3161 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3163 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3166 * recog.h (asm_operand_ok): Add constraints argument.
3167 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3168 recurse on matching constraint.
3169 (check_asm_operands): Pass constraints as 3rd argument to
3170 asm_operand_ok. Don't look up matching constraint here.
3171 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3174 2009-02-02 Ben Elliston <bje@au.ibm.com>
3176 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3177 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3179 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3181 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3182 information. Remove some obsolete information. Reorganize.
3184 * config/pa/fptr.c: Revert license to GPL 2.
3185 * config/pa/milli64.S: Likewise.
3187 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3190 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3191 LIBRARY name in, instead of hard-coding it.
3192 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3193 extra target make frag to tmake_files according to EH model.
3194 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3195 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3196 frags that define makefile variable EH_MODEL appropriately.
3197 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3198 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3199 to "-sjlj" according to type of EH configured.
3200 (LIBGCC_SONAME): Concatenate it to shared library base name.
3201 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3202 to "_sjlj" according to type of EH configured.
3203 (LIBGCC_SONAME): Concatenate it to shared library base name.
3204 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3205 (SHLIB_LINK): Add missing semicolon to if-else construct.
3206 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3207 string value of "pe_dll" command-line option.
3208 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3209 (SHLIB_SONAME): Use it when overriding t-cygming default.
3210 (SHLIB_IMPLIB): Override t-cygming default.
3211 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3212 string value of "pe_dll" command-line option.
3214 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3217 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3218 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3220 2009-01-31 Richard Guenther <rguenther@suse.de>
3222 PR tree-optimization/38937
3223 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3224 computing the transitive closure.
3226 2009-01-30 Richard Guenther <rguenther@suse.de>
3228 PR tree-optimization/39041
3229 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3230 Propagate variable indices only if the types match for this stmt.
3232 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3235 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3236 inline but never defined.
3238 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3240 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3241 (*insv_h_di_reg_extimm): New insn.
3242 (*insv_l<mode>_reg_extimm): New insn.
3244 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3246 * config/picochip/picochip.c (flag_conserve_stack): set
3247 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3248 fconserve-stack. Reduce call-overhead used by inliner.
3250 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3253 * common.opt (flag_conserve_stack): Initialised to zero.
3255 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3258 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3259 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3262 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3264 * ira-color.c (allocno_reload_assign): Update comments.
3265 * regmove.c (regmove_optimize): Likewise.
3269 2009-01-29 Robert Millan <rmh@aybabtu.com>
3271 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3272 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3273 `MD_UNWIND_SUPPORT'.
3274 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3276 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3278 PR tree-optimization/39007
3279 * tree-loop-distribution.c (generate_builtin): Use
3280 recompute_dominator to compute the immediate dominator of the
3281 basic block just after the loop.
3283 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3285 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3286 (ASM_OUTPUT_DWARF_PCREL): Define.
3288 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3290 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3291 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3292 global. Modify entries about regmove and IRA.
3294 * ra-conflict.c: Remove the file.
3296 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3298 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3299 (pass_regclass_init): Rename to pass_reginfo_init.
3301 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3303 * toplev.h (flag_ira): Remove.
3305 * caller-save.c (setup_save_areas): Remove flag_ira.
3307 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3309 * global.c: Remove the file.
3311 * opts.c (decode_options): Remove flag_ira.
3313 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3315 * regmove.c: Modify file description.
3316 (find_use_as_address, try_auto_increment): Define them only if
3317 AUTO_INC_DEC is defined.
3318 (replacement_quality, replace_in_call_usage, fixup_match_1,
3319 stable_and_no_regs_but_for_p): Remove.
3320 (reg_set_in_bb): Make it static.
3321 (regmove_optimize): Remove flag_ira and code which worked for
3324 * local-alloc.c: Remove the file.
3326 * common.opt (fira): Remove.
3328 * ira.c: Include except.h.
3329 (eliminable_regset): Move from global.c.
3330 (mark_elimination): Ditto. Remove flag_ira.
3331 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3332 equiv_mem_modified, validate_equiv_mem_from_store,
3333 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3334 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3335 no_equiv, recorded_label_ref): Move from local-alloc.c.
3336 (update_equiv_regs): Ditto. Make it static.
3337 (print_insn_chain, print_insn_chains): Move it from global.c.
3338 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3339 (build_insn_chain): Ditto. Make it static.
3340 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3341 Rename to init_live_subregs.
3342 (gate_ira): Remove flag_ira.
3344 * regclass.c: Rename reginfo.c. Change file description.
3345 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3346 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3347 (init_reg_sets_1): Remove code for evaluation of
3348 reg_class_superclasses and losing_caller_save_reg_set.
3349 (init_regs): Remove init_reg_autoinc.
3350 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3351 ok_for_base_p_nonstrict): Remove.
3352 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3353 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3354 corresponding entries.
3355 (dump_regclass, record_operand_costs, scan_one_insn,
3356 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3357 record_address_regs, auto_inc_dec_reg_p): Remove.
3358 (gt-regclass.h): Rename to gt-reginfo.h.
3360 * rtl.h (dump_global_regs, retry_global_alloc,
3361 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3363 * Makefile.in (RA_H): Remove.
3364 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3365 Rename regclass.o to reginfo.o.
3366 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3368 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3369 (GTFILES): Rename regclass.c to reginfo.c.
3371 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3372 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3374 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3375 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3377 (finish_spills): Ditto. Remove code for !flag_ira.
3379 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3382 * doc/invoke.texi (rtl debug options): Complete rewrite.
3383 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3385 * mode-switching.c (pass_mode_switching): Rename pass from
3386 "mode-sw" to "mode_sw".
3387 * except.c (pass_convert_to_eh_ranges): Rename pass from
3388 "eh-ranges" to "eh_ranges".
3389 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3393 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3394 Alexander Monakov <amonakov@ispras.ru>
3397 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3399 (move_exprs_to_boundary): Change return type and pass through
3400 should_move from move_op. Relax assert. Update usage ...
3401 (schedule_expr_on_boundary): ... here. Use should_move instead of
3403 (move_op_orig_expr_found): Indicate that insn was disconnected from
3405 (code_motion_process_successors): Do not call after_merge_succs
3406 callback if original expression was not found when traversing any of
3408 (code_motion_path_driver): Change return type. Update prototype.
3409 (move_op): Update comment. Add a new parameter (should_move). Update
3410 prototype. Set *should_move based on indication provided by
3411 move_op_orig_expr_found.
3413 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3415 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3416 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3417 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3418 * config/rs6000/rs6000.c (rs6000_override_options): Default
3419 avoid-indexed-addresses on for Power6, off for everything else.
3420 (avoiding_indexed_address_p): New function.
3421 (rs6000_legitimize_address): Use it.
3422 (rs6000_legitimate_address): Likewise.
3423 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3425 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3427 PR tree-optimization/38997
3428 * tree-loop-distribution.c (generate_memset_zero): Use
3429 POINTER_PLUS_EXPR for a pointer addition.
3431 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3433 * config/s390/s390.md (bswap<mode>2): New pattern added.
3435 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3437 * config/s390/s390.md (*tls_load_31): Added type attribute.
3439 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3441 * config/s390/s390.md: Fix a few comments.
3443 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3445 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3446 (*tm<mode>_full): Fixed z10prop attribute.
3447 (*tst<mode>_extimm): Fixed z10prop attribute.
3448 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3449 (*tstqiCCT_cconly): Fixed z10prop attribute.
3450 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3451 (*movsi_larl): Fixed z10prop attribute.
3452 (*movsi_zarch): Fixed z10prop attribute.
3453 (*movsi_eas): Fixed z10prop attribute.
3454 (*movhi): Fixed z10prop attribute.
3455 (*movqi): Fixed z10prop attribute.
3456 (*movstrictqi): Fixed z10prop attribute.
3457 (*mov<mode>): Fixed z10prop attribute.
3458 (*movcc): Fixed z10prop attribute.
3459 (*sethighpartdi_64): Fixed z10prop attribute.
3460 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3461 (*negdi2_sign_cc): Fixed z10prop attribute.
3462 (*negdi2_sign): Fixed z10prop attribute.
3463 (*absdi2_sign_cc): Fixed z10prop attribute.
3464 (*absdi2_sign): Fixed z10prop attribute.
3465 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3466 (*negabsdi2_sign): Fixed z10prop attribute.
3467 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3468 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3469 (doloop_si64): Fixed z10prop attribute.
3470 (doloop_si31): Fixed z10prop attribute.
3471 (doloop_long): Fixed z10prop attribute.
3472 (indirect_jump): Fixed z10prop attribute.
3473 (nop): Fixed z10prop attribute.
3474 (main_base_64): Fixed z10prop attribute.
3475 (reload_base_64): Fixed z10prop attribute.
3477 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3479 PR rtl-optimization/38740
3480 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3482 * config/mips/mips.c (mips_reorg): Likewise.
3484 2009-01-28 Richard Guenther <rguenther@suse.de>
3486 PR tree-optimization/38926
3487 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3488 with the correct value id to a value.
3489 (do_regular_insertion): Use the value number of edoubleprime
3490 for the value number of the expr.
3493 2008-08-21 Richard Guenther <rguenther@suse.de>
3495 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3496 a PHI ask VN if it is already available.
3497 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3498 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3500 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3503 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3504 set to varying whenever max has TREE_OVERFLOW set, similarly
3505 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3507 2009-01-28 Richard Guenther <rguenther@suse.de>
3510 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3511 uninitialized aggregate uses in call arguments.
3513 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3515 PR tree-optimization/38984
3516 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3517 the nothing_id variable if -fno-delete-null-pointer-checks.
3519 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3522 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3523 (set_got_offset_rex64): Ditto.
3525 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3528 * doc/extend.texi: Improve local variable with asm reg.
3530 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3532 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3533 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3534 was not supplied then set warn_packed_bitfield_compat to the
3536 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3539 2009-01-27 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/38503
3542 * cfgexpand.c (expand_gimple_basic_block): Ignore
3543 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3544 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3545 variables that cannot have TBAA applied.
3546 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3549 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3552 * calls.c (initialize_argument_information): Do not wrap complex
3553 arguments in SAVE_EXPR.
3555 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3557 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3558 (INSTALL_LIBGCC): Revert typo commit.
3560 2009-01-26 Richard Guenther <rguenther@suse.de>
3562 PR tree-optimization/38745
3563 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3564 from special handling.
3566 2009-01-26 Richard Guenther <rguenther@suse.de>
3568 PR tree-optimization/38745
3569 * tree-ssa.c (execute_update_addresses_taken): Do not include
3570 variables that cannot possibly be a register in not_reg_needs.
3571 Do not clear TREE_ADDRESSABLE on vars that may not become
3573 * tree-ssa.c (update_alias_info_1): Include those in the set
3574 of addressable vars.
3576 2009-01-26 Richard Guenther <rguenther@suse.de>
3579 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3580 * tree-ssa-dse.c: Include langhooks.h
3581 (execute_simple_dse): Remove stores with zero size.
3583 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3586 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3589 2009-01-24 Julian Brown <julian@codesourcery.com>
3591 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3592 config/arm/linux-atomic.c.
3593 * config/arm/linux-atomic.c: New.
3595 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3597 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3598 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3599 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3601 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3604 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3607 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3609 PR tree-optimization/38953
3610 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3611 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3612 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3613 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3616 2009-01-24 Paul Brook <paul@codesourcery.com>
3618 * config/arm/neon.md (neon_type): Move to arm.md.
3619 (neon_mov<VSTRUCT>): Add neon_type attribute.
3620 * config/arm/arm.md (neon_type): Move to here.
3621 (conds): Add "unconditioal" and use as default for NEON insns.
3623 2009-01-24 Ben Elliston <bje@au.ibm.com>
3625 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3626 void *' warning from -Wc++-compat.
3627 * Makefile.in (dominance.o-warn): Remove.
3629 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3631 PR tree-optimization/38932
3632 * fold-const.c (fold_unary_ignore_overflow): New.
3633 * tree.h (fold_unary_ignore_overflow): Declare.
3634 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3635 * tree-ssa-sccvn.c (visit_reference_op_load,
3636 simplify_unary_expression): Likewise.
3638 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3640 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3641 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3642 regardless of their type.
3643 * c-common.c (handle_packed_attribute): Don't ignore packed on
3645 * c.opt (Wpacked-bitfield-compat): New warning option.
3646 * stor-layout.c (place_field): Warn if offset of a field changed.
3647 * doc/extend.texi (packed): Mention the ABI change.
3648 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3649 (Warning Options): Add it to the list.
3651 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3653 * c-opts.c (c_common_post_options): Fix a typo in comments.
3655 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3658 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3659 variables to static.
3660 * doc/invoke.texi (-fmerge-all-constants): Update description.
3662 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3665 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3666 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3668 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3670 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3672 (LOCAL_ALIGNMENT): Similarly.
3674 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3675 Joseph Myers <joseph@codesourcery.com>
3677 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3678 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3679 * config/arm/arm-tune.md: Regenerate.
3680 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3683 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3685 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3686 version number to five.
3688 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3691 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3692 * c-common.c (set_underlying_type): Likewise.
3693 (is_typedef_decl ): Likewise
3695 (set_underlying_type): Likewise.
3696 (is_typedef_type): Likewise.
3698 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3701 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3704 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3707 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3708 (LIBGCC_SPEC): Don't define.
3709 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3711 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3713 PR rtl-optimization/38879
3714 * alias.c (base_alias_check): Unaligned access via AND address can
3715 alias all surrounding object types except those with sizes equal
3716 or wider than the size of unaligned access.
3718 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3721 * c-decl.c (clone_underlying_type): Move this ...
3722 * c-common.c (set_underlying_type): ... here.
3723 Also, make sure the function properly sets TYPE_STUB_DECL() on
3724 the newly created typedef variant type.
3725 (is_typedef_decl ): New entry point.
3726 * tree.h: Added a new member member_types_needing_access_check to
3727 struct tree_decl_non_common.
3728 (set_underlying_type): New entry point.
3729 (is_typedef_type): Likewise.
3731 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3733 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3734 Check whether two instructions have memory references that
3735 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3736 are helper functions for traversing.
3737 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3738 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3739 not to draw dependency edge for instructions with non-conflicting
3742 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3745 * longlong.h: Update copyright years. Use soft-fp license notice.
3746 Sync __clz_tab declaration with glibc.
3748 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3751 * doc/extend.texi (syscall_linkage): New.
3752 (version_id): Modify.
3754 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3755 Richard Guenther <rguenther@suse.de>
3757 PR tree-optimization/38747
3758 PR tree-optimization/38748
3759 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3760 conversion if the base address is an indirect reference and the
3761 aliasing sets could cause issues.
3763 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3765 * common.opt (fgraphite, fgraphite-identity): Add comment for
3766 explaining why these options are not documented.
3768 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3770 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3771 gimple_call_lhs is NULL.
3773 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3776 * emit-rtl.c (adjust_address_1): Make sure memref is never
3779 2009-01-20 Ben Elliston <bje@au.ibm.com>
3781 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3782 const qualifier from arg parameter. Remove unnecessary cast to char *.
3783 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3784 const qualifier from arg 2.
3786 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3788 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3790 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3793 * rtl.h (reinit_regs): New prototype.
3794 * regclass.c: Include ira.h.
3796 * Makefile.in (regclass.o): Add ira.h.
3797 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3799 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3802 * c-common.c (handle_aligned_attribute): Use
3803 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3804 default alignment value.
3806 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3808 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3809 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3811 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3812 __BIGGEST_ALIGNMENT__.
3814 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3816 2009-01-18 Richard Guenther <rguenther@suse.de>
3818 PR tree-optimization/38819
3819 * tree-flow.h (operation_could_trap_helper_p): Declare.
3820 * tree-eh.c (operation_could_trap_helper_p): Export.
3821 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3822 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3823 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3824 are about to insert a possibly trapping instruction and fail
3827 2009-01-18 Andreas Schwab <schwab@suse.de>
3829 * doc/install.texi (Configuration): Remove obsolete paragraph
3830 about use of --with-gnu-ld with --with-gnu-as.
3832 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3834 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3835 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3836 Follow spelling conventions.
3838 2009-01-18 Ben Elliston <bje@au.ibm.com>
3840 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3841 C++ warning about implicit conversion from void * to struct
3843 (bitmap_obstack_free): Likewise for bitmap_element *.
3844 * Makefile.in (bitmap.o-warn): Remove.
3846 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3848 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3850 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3851 Tobias Grosser <tobi.grosser@amd.com>
3853 * graphite.c (graphite_trans_scop_block): Do not block single
3856 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3858 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3859 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3860 test with assertion.
3862 2009-01-16 Richard Guenther <rguenther@suse.de>
3864 PR tree-optimization/38835
3866 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3867 and INT + PTR -> (INT)(PTR p+ INT) folding.
3868 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3870 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3873 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3874 the subreg from a lowpart subreg if it is also casting the value.
3876 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3877 Tobias Grosser <tobi.grosser@amd.com>
3879 * graphite.c (compare_prefix_loops): New.
3880 (build_scop_canonical_schedules): Rewritten.
3881 (graphite_transform_loops): Move build_scop_canonical_schedules
3882 after build_scop_iteration_domain.
3884 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3885 Tobias Grosser <tobi.grosser@amd.com>
3887 * graphite.c (add_conditions_to_domain): Add the loops to
3888 the dimension of the iteration domain. Do copy the domain
3889 only when it exists.
3890 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3891 (add_conditions_to_constraints): New.
3892 (can_generate_code_stmt, can_generate_code): Removed.
3893 (gloog): Do not call can_generate_code.
3894 (graphite_transform_loops): Call add_conditions_to_constraints
3895 after building the iteration domain.
3897 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3899 PR tree-optimization/38789
3900 * tree-ssa-threadedge.c
3901 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3902 __builtin_constant_p.
3904 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3906 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3907 examined before deleting them.
3909 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3911 * function.c (aggregate_value_p): Correctly extract the function
3912 type from CALL_EXPR_FN lookup.
3914 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3916 * config/picochip/picochip.c (picochip_override_options): Revert
3917 CFI asm flag disable commited previously.
3919 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3920 Tobias Grosser <tobi.grosser@amd.com>
3921 Jan Sjodin <jan.sjodin@amd.com>
3923 * graphite.c (scan_tree_for_params): On substractions negate
3924 all the coefficients of the term.
3925 (clast_to_gcc_expression_red): New. Handle reduction expressions
3926 of more than two operands.
3927 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3928 (get_vdef_before_scop): Handle also the case of default definitions.
3930 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3932 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3933 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3934 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3936 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3937 Joey Ye <joey.ye@intel.com>
3940 * cfgexpand.c (expand_stack_alignment): Don't update stack
3941 boundary nor check incoming stack boundary here.
3942 (gimple_expand_cfg): Update stack boundary and check incoming
3943 stack boundary here.
3945 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3947 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3949 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3951 PR rtl-optimization/38245
3952 * calls.c (expand_call): Add stack arguments to
3953 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3954 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3955 in regs and partially in memory or BLKmode arguments.
3956 (emit_library_call_value_1): Add stack arguments to
3957 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3958 ACCUMULATE_OUTGOING_ARGS).
3959 * dce.c: Include tm_p.h.
3960 (find_call_stack_args): New function.
3961 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3963 (mark_insn): Call find_call_stack_args for CALL_Ps.
3964 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3965 forwards. Allocate and free arg_stores bitmap if needed, pass it
3966 down to deletable_insn_p, don't mark stores set in arg_stores
3967 bitmap, clear the bitmap at the beginning of each bb.
3968 * Makefile.in (dce.o): Depend on $(TM_P_H).
3970 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3973 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3974 to make sure the insn is a conditional test (bug 22599). Reformat a
3977 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3980 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3981 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3982 (gloog): Do not call cleanup_tree_cfg.
3983 (graphite_transform_loops): Call cleanup_tree_cfg after all
3984 scops have been code generated.
3986 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3987 * doc/gty.texi (Invoking the garbage collector): Added new node
3988 and section documenting ggc_collect.
3990 2009-01-14 Richard Guenther <rguenther@suse.de>
3992 PR tree-optimization/38826
3994 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3995 initialization notes only if we actually emitted a warning.
3996 (intra_create_variable_infos): Add constraints for a result decl
3997 that is passed by hidden reference.
3998 (build_pred_graph): Mark all related variables non-direct on
4001 2009-01-14 Nick Clifton <nickc@redhat.com>
4003 * ira-conflicts.c: Include addresses.h for the definition of
4005 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
4006 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
4008 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
4011 * Makefile.in (ira-lives.o): Add except.h.
4013 * ira-lives.c: Include except.h.
4014 (process_bb_node_lives): Process can_throw_internal.
4016 2009-01-13 Jakub Jelinek <jakub@redhat.com>
4018 PR rtl-optimization/38774
4019 * combine.c (simplify_set): When undoing cc_use change, don't do
4020 PUT_CODE on the newly created comparison, but instead put back the
4023 2009-01-13 Joseph Myers <joseph@codesourcery.com>
4025 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4026 values. Remove duplicate arm8 entry.
4028 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4030 PR tree-optimization/38786
4031 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4032 the SSA_NAME case of expand_scalar_variables_expr.
4033 Set the type of an expression to the type of its assign statement.
4034 (expand_scalar_variables_expr): Also gather the scalar computation
4035 used to index the memory access. Do not pass loop_p.
4036 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4037 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4038 the gimple_stmt_iterator where it inserts new code.
4040 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4041 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4043 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4045 * graphite.h (debug_value): Removed.
4046 * graphite.c (debug_value): Removed.
4048 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4050 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4051 ldrd/strd with two 32-bit instructions.
4053 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4055 * config/arm/arm.c (struct processors): Pass for speed down into
4056 cost helper functions.
4057 (const_ok_for_op): Handle COMPARE and inequality nodes.
4058 (arm_rtx_costs_1): Rewrite.
4059 (arm_size_rtx_costs): Update prototype.
4060 (arm_rtx_costs): Pass speed down to helper functions.
4061 (arm_slowmul_rtx_costs): Rework cost calculations.
4062 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4063 (arm_9e_rtx_costs): Likewise.
4065 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4067 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4068 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4069 (alpha_legitimize_address): Do not split local symbols wider than
4070 UNITS_PER_WORD into HIGH/LO_SUM parts.
4072 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4075 * gcc.c (process_command): Replace call to execvp with calls
4076 to pex_one and exit.
4078 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4081 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4082 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4083 variant for devices with 3-byte PC.
4084 (__tablejump_elpm__): New.
4086 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4089 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4090 offsetof member-designator, handle it as `[0].'.
4092 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4094 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4095 function when not using named sections on targets with named sections
4096 if branch distance is less than 262132.
4098 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4100 * combine.c (combine_instructions): Recompute
4101 optimize_this_for_speed_p for each BB in the main combine loop.
4103 2009-01-12 Tomas Bily <tbily@suse.cz>
4106 * tree-loop-distribution.c (prop_phis): New function.
4107 (generate_builtin): Call prop_phis.
4108 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4110 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4112 PR tree-optimization/38807
4113 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4114 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4116 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4118 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4119 subreg of op0 to the original op0.
4121 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4123 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4125 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4128 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4129 starting with digits.
4131 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4134 * config/arm/arm.c (arm_is_long_call_p): Don't call
4135 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4137 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4139 * regrename.c (regrename_optimize): Fix dumping.
4140 (find_oldest_value_reg): Preserve REG_POINTER.
4141 (copy_hardreg_forward_1): Likewise.
4143 2009-01-09 Diego Novillo <dnovillo@google.com>
4145 * gimple.h (struct gimple_statement_base) <uid>: Document
4146 the restrictions on its use.
4148 (gimple_set_uid): Tidy.
4150 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4152 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4153 zero guard even if align_bytes != 0 and count is smaller than
4156 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4158 PR rtl-optimization/38495
4159 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4160 (add_range_and_copies_from_move_list): Print all added ranges.
4161 Add ranges to memory optimized destination.
4163 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4167 * config/i386/i386.c (override_options): Reject
4168 -mstringop-strategy=rep_8byte with -m32.
4169 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4170 to 1. Do count comparison against epilogue_size_needed at compile
4171 time even when count_exp was constant forced into register. For
4172 size_needed don't jump to epilogue, instead just avoid aligning
4173 and invoke the body algorithm. If need_zero_guard, add zero guard
4174 even if count is non-zero, but smaller than size_needed + number of
4175 bytes that could be stored for alignment.
4176 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4177 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4178 but smaller than size_needed + number of bytes that could be stored
4179 for alignment. Compare size_needed with epilogue_size_needed instead
4180 of desired_align - align, don't adjust size_needed, pass
4181 epilogue_size_needed to the epilogue expanders.
4184 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4186 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4188 * pa.c (last_address): Change to unsigned.
4189 (update_total_code_bytes): Change argument to unsigned. Don't
4190 check if insn addresses are set.
4191 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4192 addresses are not set.
4193 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4195 2009-01-09 Nick Clifton <nickc@redhat.com>
4197 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4198 DECL_DECLARED_INLINE_P.
4200 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4203 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4204 GET_MODE (op0) in operand_subword_force calls.
4207 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4208 fold_convert arg0 operands to TREE_TYPE (op0) first.
4210 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4212 * params.def (ira-max-conflict-table-size): Decrease default value
4215 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4217 PR tree-optimization/37031
4218 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4220 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4221 allocate it using gc instead of heap, use VEC_quick_push instead of
4223 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4224 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4225 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4226 allocated vector from heap allocated.
4227 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4228 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4229 vector only after perfect_loop_nest_depth call.
4231 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4232 Jan Sjodin <jan.sjodin@amd.com>
4234 PR tree-optimization/38559
4235 * graphite.c (debug_value, copy_constraint,
4236 swap_constraint_variables, scale_constraint_variable, ): New.
4237 (get_lower_bound, get_upper_bound): Removed.
4238 (graphite_trans_bb_strip_mine): Clean up this code that works
4239 only for constant number of iterations. Fully copy upper and
4240 lower bound constraints, not only the constant part of them.
4241 * graphite.h (debug_value): Declared.
4243 2009-01-08 Ira Rosen <irar@il.ibm.com>
4245 PR tree-optimization/37194
4246 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4247 Don't add the cost of cost model guard in prologue to scalar
4248 outside cost in case of known number of iterations.
4250 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4251 Alan Modra <amodra@bigpond.net.au>
4253 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4254 non-word-aligned REG+CONST addressing.
4256 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4259 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4260 free_after_compilation when outputting a thunk.
4261 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4262 Do not call free_after_compilation here.
4264 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4266 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4267 (ix86_valid_target_attribute_inner_p): Ditto.
4269 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4271 PR tree-optimization/38492
4272 PR tree-optimization/38498
4273 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4274 * tree-chrec.h (scev_is_linear_expression): Declared.
4275 * graphite.c (graphite_cannot_represent_loop_niter): New.
4276 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4277 (graphite_loop_normal_form): Use gcc_assert.
4278 (scan_tree_for_params): Use CASE_CONVERT.
4279 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4280 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4281 Use gcc_assert. Discard scops that contain unhandled cases.
4282 (build_scop_conditions): Return a boolean status for unhandled cases.
4283 (strip_mine_profitable_p): Print the loop number, not its depth.
4284 (is_interchange_valid): Pass the depth of the loop nest, don't
4285 recompute it wrongly.
4286 (graphite_trans_bb_block): Same.
4287 (graphite_trans_bb_block): Print tentative of loop blocking.
4288 (graphite_trans_scop_block): Do not print that the loop has been
4290 (graphite_transform_loops): Do not handle scops that contain condition
4293 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4295 AVX Programming Reference (December, 2008)
4296 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4297 (_mm256_stream_pd): Likewise.
4298 (_mm256_stream_ps): Likewise.
4300 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4301 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4302 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4303 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4304 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4305 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4306 (ix86_expand_special_args_builtin): Likewise.
4308 * config/i386/sse.md (AVXMODEDI): New.
4309 (avx_movnt<mode>): Likewise.
4310 (avx_movnt<mode>): Likewise.
4311 (<sse>_movnt<mode>): Remove AVX support.
4312 (sse2_movntv2di): Likewise.
4314 2009-01-07 Richard Guenther <rguenther@suse.de>
4317 * fold-const.c (extract_muldiv): Remove obsolete comment.
4318 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4319 to PLUS_EXPR canonicalization for the canonicalization.
4321 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4323 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4324 hosted cross-compilers generating less efficient code.
4326 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4328 * function.h (rtl_data): Add a dbr_scheduled_p field.
4329 * reorg.c (dbr_schedule): Set it.
4330 (gate_handle_delay_slots): Check it.
4331 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4332 (mips_reorg): Check flag_delayed_branch instead of
4333 mips_base_delayed_branch.
4334 (mips_override_options): Don't set mips_base_delayed_branch
4335 or flag_delayed_branch.
4337 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4339 PR rtl-optimization/38426.
4340 * ira.c (ira): Set current_function_is_leaf earlier.
4342 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4344 PR rtl-optimization/38722
4345 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4346 too early, only set a flag and modify after last possible
4349 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4352 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4353 * real.c (decimal_single_format): Correct values of emin and emax.
4354 (decimal_double_format): Ditto.
4355 (decimal_quad_format): Ditto.
4356 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4357 computation of DECnn_MIN and DECnn_MAX for corrected values of
4358 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4359 __DECnn_MIN__, and adjust its computation for the corrected value
4362 2009-01-06 Jan Hubicka <jh@suse.cz>
4365 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4367 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4369 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4370 Add Robert Clark to the list of testers.
4372 2009-01-06 Jan Hubicka <jh@suse.cz>
4373 Kai Tietz <kai.tietz@onevision.com>
4375 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4376 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4378 2009-01-06 Jan Hubicka <jh@suse.cz>
4379 Kai Tietz <kai.tietz@onevision.com>
4381 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4383 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4384 (ix86_nsaved_regs): Count only general purpose regs.
4385 (ix86_nsaved_sseregs): New.
4386 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4387 to 16 for w64; compute padding and size of sse reg save area.
4388 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4389 general purpose regs.
4390 (ix86_emit_save_sse_regs_using_mov): New.
4391 (ix86_expand_prologue): Save SSE regs if needed.
4392 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4393 (ix86_emit_restore_sse_regs_using_mov): New.
4394 (ix86_expand_epilogue): Save SSE regs if needed.
4396 2009-01-06 Jan Hubicka <jh@suse.cz>
4397 Kai Tietz <kai.tietz@onevision.com>
4399 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4400 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4401 functions when accumulate outgoing args is off.
4403 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4406 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4407 before using pseudos_have_intersected_live_ranges_p.
4409 * ira-int.h (ira_assert): Always define.
4411 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4413 AVX Programming Reference (December, 2008)
4414 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4415 (_mm256_permute2_pd): Likewise.
4416 (_mm_permute2_ps): Likewise.
4417 (_mm256_permute2_ps): Likewise.
4418 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4419 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4421 * config/i386/i386.c (ix86_builtins): Remove
4422 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4423 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4424 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4425 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4426 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4427 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4428 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4429 __builtin_ia32_vpermil2ps256.
4430 (ix86_init_mmx_sse_builtins): Updated.
4431 (ix86_expand_args_builtin): Likewise.
4433 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4436 long absolute calls when generating PA 2.0 code.
4438 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4440 PR rtl-optimization/38583
4441 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4443 * params.def (ira-max-conflict-table-size): New.
4445 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4447 * ira.h (ira_conflicts_p): New external definition.
4449 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4450 table. Report this. Return result of building.
4451 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4452 building conflict table.
4454 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4455 (ira_color): Use ira_conflicts_p.
4457 * global.c: Include ira.h.
4458 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4461 * Makefile.in (global.o): Add ira.h.
4463 * ira-build.c (mark_all_loops_for_removal,
4464 propagate_some_info_from_allocno): New.
4465 (remove_unnecessary_allocnos): Call
4466 propagate_some_info_from_allocno.
4467 (remove_low_level_allocnos): New.
4468 (remove_unnecessary_regions): Add parameter. Call
4469 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4470 parameter to remove_unnecessary_regions.
4471 (ira_build): Remove all regions but root if the conflict table was
4472 not built. Update conflict hard regs for allocnos crossing calls.
4474 * ira.c (ira_conflicts_p): New global.
4475 (ira): Define and use ira_conflicts_p.
4477 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4478 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4479 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4481 2009-01-06 Ben Elliston <bje@au.ibm.com>
4483 * gengtype-lex.l (YY_NO_INPUT): Define.
4485 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4488 * c-common.c (handle_vector_size_attribute): Also reject
4491 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4493 PR tree-optimization/38492
4494 * graphite.c (rename_map_elt, debug_rename_elt,
4495 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4496 rename_map_elt_info, eq_rename_map_elts,
4497 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4498 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4499 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4500 (sese_build_livein_liveouts): New.
4501 (new_sese, free_sese): New.
4502 (new_scop): Call new_sese.
4503 (free_scop): Call free_sese.
4504 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4505 (register_old_new_names): Renamed register_old_and_new_names.
4506 (register_scop_liveout_renames, add_loop_exit_phis,
4507 insert_loop_close_phis, struct igp,
4508 default_liveout_before_guard, add_guard_exit_phis,
4509 insert_guard_phis, copy_renames): New.
4510 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4511 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4512 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4513 (scop_adjust_phis_for_liveouts): New.
4514 (gloog): Call scop_adjust_phis_for_liveouts.
4516 * graphite.h (struct sese): Documented. Added fields liveout,
4518 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4519 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4520 (struct scop): Added field liveout_renames.
4521 (SCOP_LIVEOUT_RENAMES): New.
4523 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4525 PR tree-optimization/38510
4526 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4527 (translate_clast): Call recompute_all_dominators before
4529 (gloog): Call recompute_all_dominators before graphite_verify.
4531 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4532 Jan Sjodin <jan.sjodin@amd.com>
4534 PR tree-optimization/38500
4535 * graphite.c (create_sese_edges): Call fix_loop_structure after
4538 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4540 * config.gcc: Add m32r*-*-rtems*.
4541 * config/m32r/rtems.h: New file.
4543 2009-01-05 Ben Elliston <bje@au.ibm.com>
4545 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4546 (.po.pox): Likewise.
4547 (po/gcc.pot): Likewise.
4549 2009-01-04 David S. Miller <davem@davemloft.net>
4551 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4552 (STARTING_FRAME_OFFSET): Always set to zero.
4554 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4556 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4557 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4558 fixed-point types, and vectors of the same.
4560 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4562 * config/mips/sync.md (*mb_barrier): Rename to...
4563 (*memory_barrier): ...this.
4565 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4567 * doc/extend.texi (Function Attributes): Move @cindex after @item
4568 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4569 and put in alphabetical order. Fix 'target' name and put in order.
4570 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4573 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4575 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4576 (memory_barrier): Expand as unspec instead of unspec_volatile.
4577 Remove mem:BLK from insn operands. Use Pmode scratch register.
4578 (*memory_barrier): Define as unspec instead of unspec_volatile.
4579 Use (match_dup 0) as input operand.
4581 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4582 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4583 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4584 scratch register. Remove operand 1.
4585 (*stbar): Define as unspec instead of unspec_volatile.
4586 Use (match_dup 0) as input operand, remove (const_int 8).
4587 (*membar): Define as unspec instead of unspec_volatile.
4588 Use (match_dup 0) as input operand, remove input operand 2.
4590 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4591 (memory_barrier): Expand as unspec instead of unspec_volatile.
4592 Remove mem:BLK from insn operands. Use Pmode scratch register.
4593 (*memory_barrier): Define as unspec instead of unspec_volatile.
4594 Use (match_dup 0) as input operand.
4596 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4597 Remove mem:BLK from insn operands. Use Pmode scratch register.
4598 Set volatile flag on operand 0.
4599 (*memory_barrier): New insn pattern.
4601 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4603 (*memory_barrier): Use (match_dup 0) as input operand.
4605 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4606 Remove mem:BLK from insn operands. Use Pmode scratch register.
4607 Set volatile flag on operand 0.
4608 (*mb_internal): New insn pattern.
4610 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4612 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4615 * function.c (struct temp_slot): Move to the section of the file
4616 that deals with temp slots. Remove field 'address'.
4617 (temp_slot_address_table): New hash table of address -> temp slot.
4618 (struct temp_slot_address_entry): New struct, items for the table.
4619 (temp_slot_address_compute_hash, temp_slot_address_hash,
4620 temp_slot_address_eq, insert_temp_slot_address): Support functions
4622 (find_temp_slot_from_address): Rewrite to use the new hash table.
4623 (remove_unused_temp_slot_addresses): Remove addresses of temp
4624 slots that have been made available.
4625 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4626 worker function for remove_unused_temp_slot_addresses.
4627 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4628 Add the temp slot address to the address -> temp slot map.
4629 (update_temp_slot_address): Update via insert_temp_slot_address.
4630 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4631 (pop_temp_slots): Likewise.
4632 (init_temp_slots): Allocate the address -> temp slot map, or empty
4633 the map if it is already allocated.
4634 (prepare_function_start): Initialize temp slot processing.
4636 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4639 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4640 Calculate the size of all stack vars assuming no packing of stack
4641 vars will happen, replacing a quadratic algorithm with a linear one.
4643 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4646 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4649 2009-01-03 Diego Novillo <dnovillo@google.com>
4651 * doc/contrib.texi: Update contributions.
4653 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4656 * builtins.c (fold_builtin_memory_op): Give up if either operand
4657 is volatile. Set srctype or desttype to non-qualified version
4661 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4664 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4666 PR rtl-optimization/35805
4667 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4668 problem if fast dce is able to remove any instructions.
4669 * dce.c (dce_process_block): Fix dump message.
4671 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4674 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4676 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4679 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4680 * tree-pretty-print.c (op_code_prio): New function.
4681 (op_prio): No longer static. Use op_code_prio.
4682 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4683 Use op_prio and op_code_prio to determine if () should be
4684 printed around operand(s) or not.
4686 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4687 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4688 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4689 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4690 pp_character instead of pp_string for single letter printing.
4692 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4694 * doc/extend.texi: Fix '#pragma GCC option' typo.
4696 2009-01-02 Richard Guenther <rguenther@suse.de>
4698 * doc/install.texi (--enable-checking): Mention different
4700 (--enable-stage1-checking): Document.
4702 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4705 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4706 case to be an error.
4708 2009-01-02 Ben Elliston <bje@au.ibm.com>
4710 * config/fp-bit.h (pack_d): Constify argument.
4711 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4712 (isnan): Constify argument.
4716 (_fpadd_parts): Constify return type.
4717 (_fpmul_parts): Likewise.
4718 (_fpdiv_parts): Likewise.
4720 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4723 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4724 warn about overwriting initializer with side-effects or
4725 -Woverride-init if !IMPLICIT.
4726 (output_init_element): Likewise. Pass IMPLICIT down to
4728 (process_init_element): Add IMPLICIT argument. Pass it down
4729 to output_init_element.
4730 (push_init_element, pop_init_level, set_designator): Adjust
4731 process_init_element callers.
4732 (set_nonincremental_init, set_nonincremental_init_from_string):
4733 Adjust add_pending_init callers.
4734 (output_pending_init_elements): Adjust output_init_element callers.
4735 * c-tree.h (process_init_element): Adjust prototype.
4736 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4737 process_init_element callers.
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