| blob | b767290676b8fe1b142b709bdeac35c806810dd7 |
1 2009-04-01 Anatoly Sokolov <aesok@post.ru>
3 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
4 (CASE_VALUES_THRESHOLD): Redefine.
5 * config/avr/avr.c (avr_override_options): Remove initialization of
6 avr_case_values_threshold variable.
7 (avr_case_values_threshold): Remove variable. Add new function.
8 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
9 * config/avr/avr.opt (mno-tablejump): Remove option.
10 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
12 2009-04-01 DJ Delorie <dj@redhat.com>
14 * varasm.c (default_function_rodata_section): Don't assume
15 anything about where the first '.' in the section name is.
17 2009-04-01 Alan Modra <amodra@bigpond.net.au>
19 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
20 rs6000_emit_stack_tie.
22 2009-03-31 Ian Lance Taylor <iant@google.com>
24 * tree-eh.c (tree_remove_unreachable_handlers): Compare
25 gimple_code with GIMPLE_RESX, not RESX.
27 2009-03-31 Joseph Myers <joseph@codesourcery.com>
29 * c-common.c (c_get_ident): New.
30 (c_common_nodes_and_builtins): Call it for type names that may be
31 NULL.
33 2009-04-01 Ben Elliston <bje@au.ibm.com>
35 * config/rs6000/sysv4.opt (msdata): Improve option description.
37 2009-03-31 Steve Ellcey <sje@cup.hp.com>
39 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
40 (divdf3_internal_lat): Remove.
41 (divxf3_internal_lat): Remove.
42 (divxf3_internal_thr): Remove.
43 (divxf): Use divxf3_internal.
44 * config/ia64/div.md (divsf3_internal_lat): New.
45 (divdf3_internal_lat): New.
46 (divxf3_internal): New.
48 2009-03-31 Joseph Myers <joseph@codesourcery.com>
50 PR c/448
51 * Makefile.in (USE_GCC_STDINT): Define.
52 (stmp-int-hdrs): Install stdint.h if applicable.
53 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
54 if known.
55 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
56 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
57 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
58 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
59 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
60 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
61 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
62 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
63 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
64 (c_common_nodes_and_builtins): Initialize
65 underlying_wchar_type_node. Do not initialize
66 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
67 nodes for new types.
68 (c_stddef_cpp_builtins): Define macros for new types.
69 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
70 Remove.
71 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
72 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
73 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
74 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
75 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
76 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
77 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
78 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
79 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
80 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
81 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
82 int16_type_node, int32_type_node, int64_type_node,
83 uint8_type_node, uint16_type_node, c_uint32_type_node,
84 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
85 int_least32_type_node, int_least64_type_node,
86 uint_least8_type_node, uint_least16_type_node,
87 uint_least32_type_node, uint_least64_type_node,
88 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
89 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
90 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
91 uintptr_type_node): Define.
92 * c-cppbuiltin.c (builtin_define_constants,
93 builtin_define_type_minmax): New.
94 (builtin_define_stdint_macros): Define more macros.
95 (c_cpp_builtins): Define more limit macros.
96 (type_suffix): New.
97 (builtin_define_type_max): Define in terms of
98 builtin_define_type_minmax. Remove is_long parameter. All
99 callers changed.
100 * config.gcc (use_gcc_stdint): Define.
101 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
102 Add newlib-stdint.h for generic targets.
103 * config/glibc-stdint.h, config/newlib-stdint.h,
104 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
105 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
106 * config/score/score.h (UINTPTR_TYPE): Define.
107 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
108 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
109 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
110 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
111 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
112 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
113 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
114 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
115 * config/spu/spu.h (STDINT_LONG32): Define.
116 * configure.ac (use_gcc_stdint): Substitute.
117 * configure: Regenerate.
118 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
119 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
120 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
121 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
122 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
123 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
124 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
125 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
126 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
127 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
128 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
129 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
130 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
131 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
132 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
133 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
134 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
135 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
136 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
137 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
138 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
139 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
140 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
141 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
142 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
143 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
144 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
145 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
146 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
148 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
150 * loop-iv.c (suitable_set_for_replacement): Renamed from
151 simplify_using_assignment; changed to return bool and to accept new
152 args DEST and SRC. Return true iff we find a source/destination pair
153 that can be used to make a replacement, and fill SRC and DEST if so.
154 Remove arg ALTERED. Don't deal with altered regs here. All callers
155 changed.
156 (simplify_using_initial_values): Deal with altered regs here and track
157 more precisely the effect they have on the validity of our expression.
159 * loop-iv.c (simplify_using_condition): A condition of the form
160 (EQ REG CONST) can be used to simply make a substitution.
161 (simplify_using_initial_values): Keep track of conditions we have seen
162 and keep using them to simplify new expressions, while applying the
163 same substitutions to them as to the expression.
165 * simplify-rtx.c (simplify_relational_operation_1): Simplify
166 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
167 GEU/LTU reversed.
169 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
170 changed. Use this when trying to improve the upper bound.
171 Generate the comparison by using simplify_gen_relational.
173 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
175 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
176 functions.
177 (simplify_using_assignment, simplify_using_initial_values): Call
178 replace_in_expr to make replacements. Call replace_single_def_regs
179 once on the initial version of the expression.
181 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
183 PR target/27237
184 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
186 2009-03-31 Richard Guenther <rguenther@suse.de>
188 PR middle-end/31029
189 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
190 equality comparisons. Fold C - X CMP X if C % 2 == 1.
192 2009-03-31 Richard Guenther <rguenther@suse.de>
194 * tree.h (div_if_zero_remainder): Declare.
195 * fold-const.c (div_if_zero_remainder): Export.
196 * tree-ssa-forwprop.c
197 (forward_propagate_addr_into_variable_array_index): Handle
198 constant array index addition outside of the variable index.
200 2009-03-31 Joseph Myers <joseph@codesourcery.com>
202 PR target/39592
203 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
204 define_splits, floatunssi<mode>2): Require x87 conversions from
205 DImode to be permitted.
207 2009-03-31 Joseph Myers <joseph@codesourcery.com>
209 PR preprocessor/15638
210 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
212 2009-03-31 Richard Guenther <rguenther@suse.de>
214 PR middle-end/23401
215 PR middle-end/27810
216 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
217 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
218 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
219 a separate statement.
220 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
221 (lookup_tmp_var): Likewise.
222 (is_gimple_formal_tmp_or_call_rhs): Remove.
223 (is_gimple_reg_or_call_rhs): Rename to ...
224 (is_gimple_reg_rhs_or_call): ... this.
225 (is_gimple_mem_or_call_rhs): Rename to ...
226 (is_gimple_mem_rhs_or_call): ... this.
227 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
228 DECL_GIMPLE_REG_P only if is_formal is true.
229 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
230 for non-proper post-modify expression gimplification.
231 (gimplify_self_mod_expr): For post-modify expressions gimplify
232 the lvalue to a minimal lvalue.
233 (rhs_predicate_for): Remove formal temp case.
234 (gimplify_modify_expr_rhs): Likewise.
235 (gimplify_addr_expr): Use is_gimple_reg.
236 (gimplify_expr): Remove formal temp cases.
237 (gimple_regimplify_operands): Likewise.
238 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
239 and FILTER_EXPR like constants.
240 * gimple.c (walk_gimple_op): Fix val_only initialization, use
241 is_gimple_reg.
242 (is_gimple_formal_tmp_rhs): Remove.
243 (is_gimple_reg_rhs): Remove special casing.
244 (is_gimple_mem_rhs): Fix.
245 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
246 (is_gimple_formal_tmp_var): Remove.
247 (is_gimple_formal_tmp_reg): Likewise.
248 (is_gimple_min_lval): Allow invariant component ref parts.
249 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
250 is_gimple_formal_tmp_reg): Remove declarations.
251 * tree-cfg.c (verify_expr): Verify that variables with address
252 taken do not have DECL_GIMPLE_REG_P set.
253 * tree-mudflap.c (mf_build_check_statement_for): Use
254 force_gimple_operand instead of gimplify_expr.
256 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
258 * modulo-sched.c (sms_schedule_by_order): Pass the actual
259 schedulable rows to compute_split_row.
261 2009-03-31 Ben Elliston <bje@au.ibm.com>
263 PR target/31635
264 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
265 OPT_mvrsave.
267 2009-03-31 Alan Modra <amodra@bigpond.net.au>
269 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
270 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
271 * configure: Regenerate.
272 * config.in: Regenerate.
273 * config/rs6000/rs6000.opt (mtls-markers): Add.
274 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
275 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
276 (tls_ld_aix, tls_ld_sysv): Likewise.
277 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
278 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
280 2009-03-31 Alan Modra <amodra@bigpond.net.au>
282 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
284 2009-03-30 Jan Hubicka <jh@suse.cz>
286 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
287 out of RESX.
288 (tree_remove_unreachable_handlers): Cleanup EH predecestor
289 detection and label handling.
291 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
293 * ira-int.h (ira_allocno): Rename left_conflicts_num to
294 left_conflicts_size.
295 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
296 ALLOCNO_LEFT_CONFLICTS_SIZE.
298 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
299 remove_allocno_from_bucket_and_push,
300 allocno_spill_priority_compare, push_allocnos_to_stack,
301 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
302 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
303 (setup_allocno_left_conflicts_num): Ditto. Rename to
304 setup_allocno_left_conflicts_size.
305 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
306 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
307 setup_allocno_left_conflicts_size instead of
308 setup_allocno_left_conflicts_num.
310 * ira-build.c (ira_create_allocno): Use
311 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
312 ALLOCNO_LEFT_CONFLICTS_NUM.
314 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
316 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
317 instead of DF_LR_OUT.
319 * ira-lives.c (process_bb_node_lives): Ditto.
321 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
322 instead of DF_LR_{OUT,IN}.
324 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
326 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
328 2009-03-30 Jan Hubicka <jh@suse.cz>
330 * except.c (label_to_region_map): Fix thinko.
332 2009-03-30 Steve Ellcey <sje@cup.hp.com>
334 PR middle-end/38237
335 * tree.h (tree_find_value): New declaration.
336 * tree.c (tree_find_value): New function.
337 * varasm.c (assemble_external): Avoid duplicate entries on lists.
339 2009-03-30 Jakub Jelinek <jakub@redhat.com>
341 PR debug/39563
342 * c-decl.c (struct c_binding): Add locus field.
343 (bind): Add locus argument, set locus field from it.
344 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
345 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
346 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
347 implicitly_declare, undeclared_variable, lookup_label,
348 declare_label, c_make_fname_decl, c_builtin_function,
349 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
350 bind callers.
352 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
354 PR target/38781
355 * config/i386/i386.c (classify_argument): Check total size of
356 structure.
358 2009-03-30 Martin Jambor <mjambor@suse.cz>
360 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
361 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
362 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
363 respectively.
365 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
366 seen_variable_array_ref while also traversing a union.
368 * tree-inline.c (optimize_inline_calls): Do not call
369 cgraph_node_remove_callees.
370 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
371 (pass_remove_cgraph_callee_edges): New variable.
372 * passes.c (init_optimization_passes): Add
373 pass_remove_cgraph_callee_edges after early inlining and before all
374 late intraprocedural passes.
376 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
378 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
380 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
381 Fix typos in names.
383 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
385 * combine.c (simplify_comparison): Use have_insn_for.
386 * dojump.c (do_jump): Likewise.
388 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
390 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
391 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
392 sparc_compare_op0 like sparc_compare_emitted used to be handled.
393 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
394 instead of sparc_compare_emitted.
395 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
396 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
397 instead of sparc_compare_emitted.
399 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
401 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
402 enter/exit cfglayout mode.
403 (pass_partition_block): Require it.
404 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
405 (combine_instructions): Track basic blocks instead of labels.
406 (update_cfg_for_uncondjump): New.
407 (try_combine): Use it. Update jumps after rescanning.
408 (pass_combine): Require PROP_cfglayout.
409 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
411 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
413 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
414 Provide/destroy PROP_cfglayout respectively.
415 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
416 * tree-pass.h (PROP_cfglayout): New.
418 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
420 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
421 fold_convert_const_fixed_from_fixed,
422 fold_convert_const_fixed_from_int,
423 fold_convert_const_fixed_from_real, fold_negate_const): Do not
424 set TREE_CONSTANT_OVERFLOW.
425 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
426 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
428 2009-03-30 Ira Rosen <irar@il.ibm.com>
430 * tree-vect-loop-manip.c: New file.
431 * tree-vectorizer.c: Update documentation and included files.
432 (vect_loop_location): Make extern.
433 (rename_use_op): Move to tree-vect-loop-manip.c
434 (rename_variables_in_bb, rename_variables_in_loop,
435 slpeel_update_phis_for_duplicate_loop,
436 slpeel_update_phi_nodes_for_guard1,
437 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
438 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
439 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
440 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
441 find_loop_location): Likewise.
442 (new_stmt_vec_info): Move to tree-vect-stmts.c.
443 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
444 get_vectype_for_scalar_type, vect_is_simple_use,
445 supportable_widening_operation, supportable_narrowing_operation):
446 Likewise.
447 (bb_in_loop_p): Move to tree-vect-loop.c.
448 (new_loop_vec_info, destroy_loop_vec_info,
449 reduction_code_for_scalar_code, report_vect_op,
450 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
451 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
452 (vect_supportable_dr_alignment): Likewise.
453 * tree-vectorizer.h (tree-data-ref.h): Include.
454 (vect_loop_location): Declare.
455 Reorganize function declarations according to the new file structure.
456 * tree-vect-loop.c: New file.
457 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
458 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
459 * tree-vect-data-refs.c: New file.
460 * tree-vect-patterns.c (timevar.h): Don't include.
461 * tree-vect-stmts.c: New file.
462 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
463 tree-vect-slp.c, tree-vect-loop.c.
464 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
465 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
466 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
467 (tree-vect-analyze.o): Remove.
468 (tree-vect-transform.o): Likewise.
469 (tree-vect-data-refs.o): Add rule.
470 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
471 tree-vect-slp.o): Likewise.
472 (tree-vect-patterns.o): Remove redundant dependencies.
473 (tree-vectorizer.o): Likewise.
474 * tree-vect-slp.c: New file.
476 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
478 * optc-gen.awk: Warn if an option flag has multiple different
479 help strings.
481 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
483 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
484 -floop-block): Document dependences on PPL, CLooG and Graphite.
486 2009-03-30 Joseph Myers <joseph@codesourcery.com>
488 PR rtl-optimization/323
489 * c-common.c (c_fully_fold, convert_and_check,
490 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
491 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
492 * c-common.def (EXCESS_PRECISION_EXPR): New.
493 * c-cppbuiltin.c (builtin_define_float_constants): Define
494 constants with enough digits for long double.
495 * c-lex.c (interpret_float): Interpret constant with excess
496 precision where appropriate.
497 * c-opts.c (c_common_post_options): Set
498 flag_excess_precision_cmdline. Give an error for
499 -fexcess-precision=standard for C++ for processors where the
500 option is significant.
501 * c-parser.c (c_parser_conditional_expression): Handle excess
502 precision in condition.
503 * c-typeck.c (convert_arguments): Handle arguments with excess
504 precision.
505 (build_unary_op): Move excess precision outside operation.
506 (build_conditional_expr): Likewise.
507 (build_compound_expr): Likewise.
508 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
509 (build_modify_expr): Handle excess precision in RHS.
510 (convert_for_assignment): Handle excess precision in converted
511 value.
512 (digest_init, output_init_element, process_init_element): Handle
513 excess precision in initializer.
514 (c_finish_return): Handle excess precision in return value.
515 (build_binary_op): Handle excess precision in operands and add
516 excess precision as needed for operation.
517 * common.opt (-fexcess-precision=): New option.
518 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
519 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
520 For standard excess precision, output explicit conversion to and
521 truncation from XFmode.
522 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
523 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
524 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
525 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
526 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
527 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
528 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
529 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
530 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
531 define_splits, sqrt<mode>2): Disable where appropriate for
532 standard excess precision.
533 * convert.c (convert_to_real): Do not shorten arithmetic to type
534 for which excess precision would be used.
535 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
536 * doc/invoke.texi (-fexcess-precision=): Document option.
537 (-mfpmath=): Correct index entry.
538 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
539 flag_excess_precision): New.
540 * langhooks.c (lhd_post_options): Set
541 flag_excess_precision_cmdline.
542 * opts.c (common_handle_option): Handle -fexcess-precision=.
543 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
544 init_excess_precision): New.
545 (lang_dependent_init_target): Call init_excess_precision.
546 * tree.c (excess_precision_type): New.
547 * tree.h (excess_precision_type): Declare.
549 2009-03-30 Joseph Myers <joseph@codesourcery.com>
551 PR c/35235
552 * c-typeck.c (build_component_ref): Do not copy qualifiers from
553 non-lvalue to component.
555 2009-03-29 Joseph Myers <joseph@codesourcery.com>
557 PR preprocessor/34695
558 * Makefile.in (c-opts.o): Depend on c-tree.h.
559 * c-common.c: Move down include of diagnostic.h.
560 (done_lexing, c_cpp_error): New.
561 * c-common.h (done_lexing): Declare.
562 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
563 (parse_in).
564 * c-opts.c: Include c-tree.h.
565 (c_common_init_options): Set preprocessor error callback.
566 (c_common_handle_option): Do not set preprocessor
567 inhibit_warnings, warnings_are_errors, warn_system_headers,
568 pedantic_errors or inhibit_warnings flags.
569 (c_common_post_options): Do not check cpp_errors (parse_in).
570 (c_common_finish): Do not output dependencies if there were
571 errors. Do not check return value of cpp_finish.
572 * c-ppoutput.c (pp_file_change): Set input_location.
573 * c-tree.h (c_cpp_error): Declare.
574 * diagnostic.c (diagnostic_set_info_translated): Also initialize
575 override_column.
576 (diagnostic_build_prefix): Check override_column.
577 * diagnostic.h (diagnostic_info): Add override_column field.
578 (diagnostic_override_column): Define.
580 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
582 * c-common.c (c_expand_expr, c_staticp): Remove.
583 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
584 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
585 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
586 * c-gimplify.c (gimplify_compound_literal_expr,
587 optimize_compound_literals_in_ctor): Remove.
588 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
589 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
590 * c-semantics.c (emit_local_var): Remove.
592 * langhooks-def.h (lhd_expand_expr): Remove.
593 * langhooks.c (lhd_expand_expr): Remove.
594 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
596 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
597 handling from c-semantics.c; don't call into langhook.
598 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
599 * gimplify.c (gimplify_compound_literal_expr,
600 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
601 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
602 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
603 as was done in c-gimplify.c.
604 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
605 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
606 Move from c-common.h.
607 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
609 * tree.c (staticp): Do not call langhook.
610 * langhooks.c (lhd_staticp): Delete.
611 * langhooks-def.h (lhd_staticp): Delete prototype.
612 (LANG_HOOKS_STATICP): Delete.
613 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
615 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
616 instead of DECL_STMTs.
618 2009-03-29 Joseph Myers <joseph@codesourcery.com>
620 PR c/456
621 PR c/5675
622 PR c/19976
623 PR c/29116
624 PR c/31871
625 PR c/35198
626 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
627 void_type_node.
628 (fold_call_expr): Return a NOP_EXPR from folding rather than the
629 contained expression.
630 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
631 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
632 conditional expressions for C.
633 (decl_constant_value_for_optimization): Move from
634 decl_constant_value_for_broken_optimization in c-typeck.c. Check
635 whether optimizing and that the expression is a VAR_DECL not of
636 array type instead of doing such checks in the caller. Do not
637 check pedantic. Call gcc_unreachable for C++.
638 * c-common.def (C_MAYBE_CONST_EXPR): New.
639 * c-common.h (c_fully_fold, c_save_expr,
640 decl_constant_value_for_optimization): New prototypes.
641 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
642 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
643 EXPR_INT_CONST_OPERANDS): Define.
644 * c-convert.c (convert): Strip nops from expression.
645 * c-decl.c (groktypename): Take extra parameters expr and
646 expr_const_operands. Update call to grokdeclarator.
647 (start_decl): Update call to grokdeclarator. Add statement for
648 expressions used in type of decl.
649 (grokparm): Update call to grokdeclarator.
650 (push_parm_decl): Update call to grokdeclarator.
651 (build_compound_literal): Add parameter non_const and build a
652 C_MAYBE_COSNT_EXPR if applicable.
653 (grokdeclarator): Take extra parameters expr and
654 expr_const_operands. Track expressions used in declaration
655 specifiers and declarators. Fold array sizes and track whether
656 they are constant expressions and whether they are integer
657 constant expressions.
658 (parser_xref_tag): Set expr and expr_const_operands fields in
659 return value.
660 (grokfield): Update call to grokdeclarator.
661 (start_function): Update call to grokdeclarator.
662 (build_null_declspecs): Set expr and expr_const_operands fields in
663 return value.
664 (declspecs_add_type): Handle expressions in typeof specifiers.
665 * c-parser.c (c_parser_declspecs): Set expr and
666 expr_const_operands fields for declaration specifiers.
667 (c_parser_enum_specifier): Likewise.
668 (c_parser_struct_or_union_specifier): Likewise.
669 (c_parser_typeof_specifier): Likewise. Update call to
670 groktypename. Fold expression as needed. Return expressions with
671 type instead of adding statements.
672 (c_parser_attributes): Update calls to c_parser_expr_list.
673 (c_parser_statement_after_labels): Fold expression before passing
674 to objc_build_throw_stmt.
675 (c_parser_condition): Fold expression.
676 (c_parser_asm_operands): Fold expression.
677 (c_parser_conditional_expression): Use c_save_expr. Update call
678 to build_conditional_expr.
679 (c_parser_alignof_expression): Update call to groktypename.
680 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
681 original_code. Fold expression argument of va_arg. Create
682 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
683 argument to va_arg. Update calls to groktypename. Fold array
684 index for offsetof. Verify that first argument to
685 __builtin_choose_expr has integer type.
686 (c_parser_postfix_expression_after_paren_type): Update calls to
687 groktypename and build_compound_literal. Handle expressions with
688 side effects in type name.
689 (c_parser_postfix_expression_after_primary): Update call to
690 c_parser_expr_list. Set original_code for calls to
691 __builtin_constant_p.
692 (c_parser_expr_list): Take extra parameter fold_p. Fold
693 expressions if requested.
694 (c_parser_objc_type_name): Update call to groktypename.
695 (c_parser_objc_synchronized_statement): Fold expression.
696 (c_parser_objc_receiver): Fold expression.
697 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
698 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
699 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
700 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
701 (struct c_typespec): Add elements expr and expr_const_operands.
702 (struct c_declspecs): Add elements expr and expr_const_operands.
703 (groktypename, build_conditional_expr, build_compound_literal):
704 Update prototypes.
705 (in_late_binary_op): Declare.
706 * c-typeck.c (note_integer_operands): New function.
707 (in_late_binary_op): New variable.
708 (decl_constant_value_for_broken_optimization): Move to c-common.c
709 and rename to decl_constant_value_for_optimization.
710 (default_function_array_conversion): Do not strip nops.
711 (default_conversion): Do not call
712 decl_constant_value_for_broken_optimization.
713 (build_array_ref): Do not fold result.
714 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
715 result when operand is a VLA.
716 (c_expr_sizeof_type): Update call to groktypename. Handle
717 expressions included in type name. Use C_MAYBE_CONST_EXPR for
718 result when operand names a VLA type.
719 (build_function_call): Update call to build_compound_literal.
720 Only fold result for calls to __builtin_* functions. Strip
721 NOP_EXPR from INTEGER_CST returned from such functions. Fold
722 the function designator.
723 (convert_arguments): Fold arguments. Update call to
724 convert_for_assignment.
725 (build_unary_op): Handle increment and decrement of
726 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
727 decrement earlier. Fold operand of increment and decrement.
728 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
729 built for integer operand. Wrap returns that are INTEGER_CSTs
730 without being integer constant expressions or that have integer
731 constant operands without being INTEGER_CSTs.
732 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
733 (build_conditional_expr): Add operand ifexp_bcp. Track whether
734 result is an integer constant expression or can be used in
735 unevaluated parts of one and avoid folding and wrap as
736 appropriate. Fold operands before possibly doing -Wsign-compare
737 warnings.
738 (build_compound_expr): Wrap result for C99 if operands can be used
739 in integer constant expressions.
740 (build_c_cast): Update call to digest_init. Do not ignore
741 overflow from casting floating-point constants to integers. Wrap
742 results that could be confused with integer constant expressions,
743 null pointer constants or floating-point constants.
744 (c_cast_expr): Update call to groktypename. Handle expressions
745 included in type name.
746 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
747 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
748 Update calls to convert_for_assignment.
749 (convert_for_assignment): Take new parameter
750 null_pointer_constant. Do not strip nops or call
751 decl_constant_value_for_broken_optimization. Set
752 in_late_binary_op for conversions to boolean.
753 (store_init_value): Update call to digest_init.
754 (digest_init): Take new parameter null_pointer_constant. Do not
755 call decl_constant_value_for_broken_optimization. pedwarn for
756 initializers not constant expressions. Update calls to
757 convert_for_assignment.
758 (constructor_nonconst): New.
759 (struct constructor_stack): Add nonconst element.
760 (really_start_incremental_init, push_init_level, pop_init_level):
761 Handle constructor_nonconst and nonconst element.
762 (set_init_index): Call constant_expression_warning for array
763 designators.
764 (output_init_element): Fold value. Set constructor_nonconst as
765 applicable. pedwarn for initializers not constant expressions.
766 Update call to digest_init. Call constant_expression_warning
767 where constant initializers are required.
768 (process_init_element): Use c_save_expr.
769 (c_finish_goto_ptr): Fold expression.
770 (c_finish_return): Fold return value. Update call to
771 convert_for_assignment.
772 (c_start_case): Fold switch expression.
773 (c_process_expr_stmt): Fold expression.
774 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
775 ensure statement expression is not evaluated in constant expression.
776 (build_binary_op): Track whether results are integer constant
777 expressions or may occur in such, disable folding and wrap results
778 as applicable. Fold operands for -Wsign-compare warnings unless
779 in_late_binary_op.
780 (c_objc_common_truthvalue_conversion): Handle results folded to
781 integer constants that are not integer constant expressions.
782 * doc/extend.texi: Document when typeof operands are evaluated,
783 that condition of __builtin_choose_expr is an integer constant
784 expression, and more about use of __builtin_constant_p in
785 initializers.
787 2009-03-29 Richard Guenther <rguenther@suse.de>
789 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
790 propagate addresses of array references.
792 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
794 * regmove.c (perhaps_ends_bb_p): Remove.
795 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
796 from INSN and check that the main loop stays within that basic block.
797 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
798 (regmove_forward_pass): Split out from regmove_optimize. Use
799 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
800 (regmove_backward_pass): Split out from regmove_optimize. Use
801 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
802 (regmove_optimize): Simplify.
804 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
806 PR target/39545
807 * config/i386/i386.c (classify_argument): Ignore flexible array
808 member in struct and warn ABI change.
810 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
812 * config/i386/i386-protos.h (ix86_agi_dependent): New.
814 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
815 (ix86_adjust_cost): Updated.
817 2009-03-29 Jan Hubicka <jh@suse.cz>
819 PR middle-end/28850
820 * tree-pass.h (pass_cleanup_eh): New function.
821 (remove_unreachable_regions): Break code handling RTL
822 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
823 that can not be reached by runtime.
824 (can_be_reached_by_runtime): New function.
825 (label_to_region_map): New function.
826 (num_eh_regions): New function.
827 (rtl_remove_unreachable_regions): New function.
828 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
829 (remove_eh_region): New function.
830 * except.h: Include sbitmap and vecprim.
831 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
832 num_eh_regions): Declare.
833 * passes.c (init_optimization_passes): Schedule cleanup_eh.
834 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
835 * tree-eh.c (tree_remove_unreachable_handlers): New function.
836 (tree_empty_eh_handler_p): New function.
837 (cleanup_empty_eh): New function.
838 (cleanup_eh): New function.
839 (pass_cleanup_eh): New function.
841 2009-03-29 Jan Hubicka <jh@suse.cz>
843 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
844 for removed regions.
846 2009-03-29 Jan Hubicka <jh@suse.cz>
848 * except.c (dump_eh_tree): Dump all datastructures.
850 2009-03-29 Jan Hubicka <jh@suse.cz>
852 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
853 (duplicate_eh_regions_1): Likewise.
854 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
855 vector; call EH verification.
856 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
857 Be ready for region being removed.
859 2009-03-29 Jan Hubicka <jh@suse.cz>
861 * bitmap.c (bitmap_last_set_bit): New function.
862 * bitmap.h (bitmap_last_set_bit): Declare.
864 2009-03-29 David Ayers <ayers@fsfe.org>
866 PR objc/27377
867 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
868 by calling objc_compare_types and surpress warnings about
869 incompatible C pointers that are compatible ObjC pointers.
871 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
873 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
874 call initialize_inline_failed.
875 (initialize_inline_failed): Move it from here ...
876 * cgraph.c (initialize_inline_failed): ... to here.
877 (cgraph_create_edge): Call initialize_inline_failed rather than
878 setting inline_failed directly.
880 2009-03-29 Ben Elliston <bje@au.ibm.com>
882 PR target/32542
883 * sysv4.opt (msdata): Improve comment.
884 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
885 * sysv4.h (SVR4_ASM_SPEC): Likewise.
887 2009-03-29 Ben Elliston <bje@au.ibm.com>
889 PR target/30451
890 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
891 load and store attributes.
893 2009-03-29 Ben Elliston <bje@au.ibm.com>
895 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
896 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
897 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
898 * doc/extend.texi (X86 Built-in Functions): Add index entries for
899 __builtin_infq and __builtin_huge_valq.
901 2009-03-28 Anatoly Sokolov <aesok@post.ru>
903 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
904 atmega8m1 devices.
905 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
906 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
908 2009-03-28 Xinliang David Li <davidxl@google.com>
910 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
911 (do_dbg_cnt): New function.
913 2009-03-28 Jan Hubicka <jh@suse.cz>
915 Merge from pretty-ipa:
917 2009-03-27 Jan Hubicka <jh@suse.cz>
919 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
920 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
921 * passes.c (function_called_by_processed_nodes_p): New.
922 * ipa-pure-const.c (check_call): Fix handling of operands.
923 (analyze_function): Dump debug output for skipped bodies.
924 (local_pure_const): Use function_called_by_processed_nodes_p.
925 * dwarf2out.c (reference_to_unused): Use output.
926 * passes.c (do_per_function_toporder): Likewise.
928 2008-11-12 Jan Hubicka <jh@suse.cz>
930 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
931 * ipa-pure-const.c (funct_state_d): Add can throw field; make
932 state_set_in_source enum
933 (check_decl): Ignore memory tags; do not set fake looping flags;
934 dump diagnostics.
935 (check_operand, check_tree, check_rhs_var, check_lhs_var,
936 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
937 (check_call, analyze_function): Rewrite.
938 (check_stmt): New.
939 (add_new_function): Update call of analyze_function.
940 (generate_summary): Add call of analyze_function.
941 (propagate): Propagate can_throw; handle state_set_in_source correctly.
942 (local_pure_const): New function.
943 (pass_local_pure_const): New pass.
944 * ipa-inline.c (inline_transform): Set after_inlining.
945 * tree-eh.c (stmt_can_throw_external): New.
946 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
947 work with aliasing built.
948 * tree-flow.h (stmt_can_throw_external): New.
949 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
950 and local pure/const pass in early and late optimization queue.
952 2009-03-28 Martin Jambor <mjambor@suse.cz>
954 * fold-const.c (get_pointer_modulus_and_residue): New parameter
955 allow_func_align.
956 (fold_binary): Allow function decl aligment consideration is the
957 second argument is integer constant one.
958 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
959 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
960 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
962 2009-03-28 Jan Hubicka <jh@suse.cz>
964 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
965 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
966 * function.h (rtl_data): Add nothrow flag.
967 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
968 set DECL_NOTHROW for AVAILABLE functions.
970 2009-03-28 Jakub Jelinek <jakub@redhat.com>
972 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
973 following vector keyword has expansion starting with pixel or bool
974 keyword, expand vector to __vector and pixel or bool to __pixel or
975 __bool.
977 PR c++/39554
978 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
979 warn_if_disallowed_function_p): Removed.
980 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
981 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
982 warning_if_disallowed_function_p.
983 * flags.h (warn_if_disallowed_function_p,
984 warn_disallowed_functions): Removed.
985 * common.opt (Wdisallowed-function-list=): Removed.
986 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
988 2009-03-28 Richard Guenther <rguenther@suse.de>
990 PR tree-optimization/38723
991 * tree-ssa-pre.c (compute_avail): Add all default definitions to
992 the entry block.
994 2009-03-28 Jan Hubicka <jh@suse.cz>
996 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
997 test introduced by my previous patch.
999 2009-03-28 Richard Guenther <rguenther@suse.de>
1001 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1002 the PHIs value undefined.
1004 2009-03-28 Jan Hubicka <jh@suse.cz>
1006 * tree-pass.h (pass_fixup_cfg): New pass.
1007 * ipa-inline.c (inline_transform): Set
1008 always_inline_functions_inlined/after_inlining.
1009 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1010 (pass_fixup_cfg): New pass.
1011 * passes.c (init_optimization_passes): Add fixup_cfg.
1013 2009-03-28 Richard Guenther <rguenther@suse.de>
1015 PR tree-optimization/38458
1016 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1017 argument use the arguments copy-of value.
1019 2009-03-28 Richard Guenther <rguenther@suse.de>
1021 PR tree-optimization/38180
1022 * tree-ssa-ccp.c (get_default_value): Simplify.
1023 (likely_value): Likewise.
1024 (surely_varying_stmt_p): Properly handle VOP case.
1025 (ccp_initialize): Likewise.
1026 (ccp_fold): Handle propagating through *&.
1027 (fold_const_aggregate_ref): Also handle decls.
1029 2009-03-28 Jan Hubicka <jh@suse.cz>
1031 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1032 * cgraph.h (cgraph_node): Likewise.
1033 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1034 (cgraph_reset_node): Use process flag.
1035 (cgraph_mark_functions_to_output): Likewise.
1036 (cgraph_expand_function): Likewise.
1037 (cgraph_expand_all_functions): Likewise.
1038 (cgraph_output_in_order): Likewise.
1039 * dwarf2out.c (reference_to_unused): Likewise.
1040 * passes.c do_per_function_toporder): Likewise.
1042 2009-03-28 Jan Hubicka <jh@suse.cz>
1044 Bring from lto-branch:
1046 2008-09-03 Doug Kwan <dougkwan@google.com>
1048 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1049 enums instead of reason strings.
1050 * cgraph.c (cgraph_create_edge): Same.
1051 (cgraph_inline_failed_string): New function.
1052 * cgraph.h (cgraph_inline_failed_t): New enum type.
1053 (cgraph_inline_failed_string): New prototype.
1054 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1055 char pointer to cgraph_inline_failed_t.
1056 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1057 (cgraph_default_inline_p): Ditto.
1058 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1059 to cgraph_inline_failed_t pointer.
1060 * cif-code.def: New file.
1061 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1062 reason string.
1063 (cgraph_check_inline_limits): Change type of REASON to pointer to
1064 cgraph_inline_failed_t. Replace reason strings with enums.
1065 (cgraph_default_inline_p): Ditto.
1066 (cgraph_recursive_inlining_p): Ditto.
1067 (update_caller_keys): Change type of FAILED_REASON to
1068 cgraph_inline_failed_t.
1069 (cgraph_set_inline_failed): Change type of REASON to pointer to
1070 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1071 convert enums to strings for text output.
1072 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1073 to be of type cgraph_inline_failed_t. Replace reason strings with
1074 enums. Call cgraph_inline_failed_string to covert enums
1075 to strings for text output.
1076 (cgraph_decide_inlining): Replace reason strings with enums.
1077 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1078 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1079 for text output.
1080 * tree-inline.c (expand_call_inline): Change type of REASON
1081 to cgraph_inline_failed_t. Replace reason strings with enums.
1082 Call cgraph_inline_failed_string for text output.
1083 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1084 (cgraph.o): Ditto.
1086 2009-03-28 Jan Hubicka <jh@suse.cz>
1088 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1089 cgraph_clone_node): Remove master clone handling.
1090 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1091 * cgraph.h (master_clone): Remove.
1092 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1093 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1094 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1096 2009-03-28 Jan Hubicka <jh@suse.cz>
1098 * cgraph.c (cgraph_function_body_availability): Functions declared
1099 inline are always safe to assume that it is not going to be replaced.
1101 2009-03-28 Richard Guenther <rguenther@suse.de>
1103 PR tree-optimization/38513
1104 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1105 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1106 EXC_PTR_EXPR and FILTER_EXPR.
1107 (get_ref_from_reference_ops): Likewise.
1109 2009-03-28 Richard Guenther <rguenther@suse.de>
1111 PR tree-optimization/38968
1112 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1113 Use FLOOR_MOD_EXPR to compute misalignment.
1115 2009-03-28 Richard Guenther <rguenther@suse.de>
1117 PR tree-optimization/37795
1118 * tree.h (combine_comparisons): Declare.
1119 * fold-const.c (combine_comparisons): Export.
1120 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1121 comparisons.
1122 (ifcombine_iforif): Use combine_comparisons.
1124 2009-03-28 Jan Hubicka <jh@suse.cz>
1126 * tree-eh.c (inlinable_call_p): New function.
1127 (make_eh_edges): Use it.
1128 (verify_eh_edges): Use it.
1129 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1130 * except.c (reachable_next_level): Add inlinable_function argument
1131 (sjlj_find_directly_reachable_regions): Update.
1132 (add_reachable_handler): Do not set saw_any_handlers.
1133 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1134 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1135 Add new inlinable call parameter.
1136 (can_throw_internal, can_throw_external): Update.
1137 * except.h (can_throw_internal_1, can_throw_external_1,
1138 foreach_reachable_handler): Update declaration.
1140 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1142 * config/arm/t-arm-coff, config/h8300/coff.h,
1143 config/i386/i386-aout.h, config/i386/i386-coff.h,
1144 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1145 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1146 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1147 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1148 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1149 sys-types.h: Remove.
1150 * Makefile.in: Remove protoize and fixproto support and references
1151 in comments.
1152 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1153 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1154 Remove.
1155 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1156 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1157 unprotoize$(exeext).
1158 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1159 (.PHONY): Don't depend on proto.
1160 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1161 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1162 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1163 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1164 build/gen-protos.o, build/scan.o, xsys-protos.h,
1165 build/fix-header$(build_exeext), build/fix-header.o,
1166 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1167 stmp-install-fixproto): Remove.
1168 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1169 SYSCALLS.c or fixproto files.
1170 (install-common): Don't install protoize.
1171 (install-headers-tar, install-headers-cpio, install-headers-cp):
1172 Don't depend on $(STMP_FIXPROTO).
1173 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1174 install fixproto files or write out fixproto settings.
1175 (uninstall): Don't uninstall protoize.
1176 * config.gcc (use_fixproto): Remove.
1177 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1178 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1179 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1180 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1181 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1182 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1183 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1184 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1185 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1186 * config/t-vxworks (STMP_FIXPROTO): Remove.
1187 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1188 STMP_FIXPROTO): Remove.
1189 * config.in, configure: Regenerate.
1190 * crtstuff.c (gid_t, uid_t): Don't undefine.
1191 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1192 (arm-*-coff, arm-*-aout: Remove target entries.
1193 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1194 Remove mention of AIX 4.1.
1195 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1196 * doc/invoke.texi (Running Protoize): Remove.
1197 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1198 (Protoize Caveats): Remove.
1199 * tsystem.h: Update comments on headers assumed to exist.
1201 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1203 * genautomata.c: Add a new year to the copyright. Add a new
1204 reference.
1205 (struct insn_reserv_decl): Add comments for member bypass_list.
1206 (find_bypass): Remove.
1207 (insert_bypass): New.
1208 (process_decls): Use insert_bypass.
1209 (output_internal_insn_latency_func): Output all bypasses with the
1210 same input insn in one switch case.
1212 * rtl.def (define_bypass): Describe bypass choice.
1213 * doc/md.texi (define_bypass): Ditto.
1215 2009-03-27 Richard Guenther <rguenther@suse.de>
1217 * gimplify.c (mark_addressable): Export.
1218 * tree-flow.h (mark_addressable): Declare.
1219 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1220 * tree-ssa.c (verify_phi_args): Verify that address taken
1221 variables have TREE_ADDRESSABLE set.
1223 2009-03-27 Richard Guenther <rguenther@suse.de>
1225 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1226 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1227 Do not mark decls TREE_ADDRESSABLE.
1228 (build_fold_addr_expr): Adjust.
1229 (fold_addr_expr): Remove.
1230 (fold_unary): Use build_fold_addr_expr.
1231 (fold_comparison): Likewise.
1232 (split_address_to_core_and_offset): Likewise.
1233 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1234 TREE_ADDRESSABLE.
1235 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1236 (gimplify_modify_expr_to_memcpy): Mark source and destination
1237 addressable.
1238 * omp-low.c (create_omp_child_function): Mark the object decl
1239 TREE_ADDRESSABLE.
1240 (lower_rec_input_clauses): Mark the var we take the address of
1241 TREE_ADDRESSABLE.
1242 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1244 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1246 PR middle-end/39315
1247 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1248 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1250 2009-03-27 Richard Guenther <rguenther@suse.de>
1252 PR tree-optimization/39120
1253 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1254 constraints.
1255 (handle_lhs_call): Process return constraints. Add escape
1256 constraints if necessary.
1257 (handle_const_call): Fill out return constraints. Make nested
1258 case more precise. Avoid consttmp if possible.
1259 (handle_pure_call): Fill out return constraints. Avoid
1260 callused if possible.
1261 (find_func_aliases): Simplify call handling.
1263 2009-03-27 Richard Guenther <rguenther@suse.de>
1265 PR tree-optimization/39120
1266 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1267 as a representative.
1268 (solve_graph): Do propagate CALLUSED.
1269 (handle_pure_call): Use a scalar constraint from CALLUSED for
1270 the return value.
1271 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1272 solutions.
1274 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1276 PR c/39323
1277 * c-common.c (handle_aligned_attribute): Properly check alignment
1278 overflow. Use (1U << i) instead of (1 << i).
1280 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1282 * expr.h (get_mem_align_offset): Updated.
1284 * tree.h (tree_decl_common): Change align to "unsigned int" and
1285 move it before pointer_alias_set.
1287 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1288 Jakub Jelinek <jakub@redhat.com>
1290 PR target/38034
1291 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1292 gr_register_operand with gr_reg_or_0_operand.
1293 (cmpxchg_rel_di): Likewise.
1294 (sync_lock_test_and_set<mode>): Likewise.
1296 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1298 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1299 (true_regnum): Likewise.
1301 * rtlanal.c (subreg_info): Moved to ...
1302 * rtl.h (subreg_info): Here. New.
1303 (subreg_get_info): New.
1305 * rtlanal.c (subreg_get_info): Make it extern.
1307 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1309 PR target/39472
1310 * config/i386/i386.c (ix86_abi): New.
1311 (override_options): Handle -mabi=.
1312 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1313 (ix86_call_abi_override): Likewise.
1314 (init_cumulative_args): Likewise.
1315 (function_arg_advance): Likewise.
1316 (function_arg_64): Likewise.
1317 (function_arg): Likewise.
1318 (ix86_pass_by_reference): Likewise.
1319 (ix86_function_value_regno_p): Likewise.
1320 (ix86_build_builtin_va_list_abi): Likewise.
1321 (setup_incoming_varargs_64): Likewise.
1322 (is_va_list_char_pointer): Likewise.
1323 (ix86_init_machine_status): Likewise.
1324 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1325 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1326 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1327 (ix86_function_abi): Make it static and return enum calling_abi.
1328 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1329 with ix86_abi.
1330 (ix86_fn_abi_va_list): Updated.
1332 * config/i386/i386.h (ix86_abi): New.
1333 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1334 (CONDITIONAL_REGISTER_USAGE): Likewise.
1335 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1336 (machine_function): Likewise.
1338 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1339 with ix86_abi.
1340 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1341 (STACK_BOUNDARY): Likewise.
1342 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1344 * config/i386/i386.opt (mabi=): New.
1346 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1347 return enum calling_abi.
1348 (ix86_function_type_abi): Likewise.
1349 (ix86_function_abi): Removed.
1351 * doc/invoke.texi: Document -mabi= option for x86.
1353 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1355 * builtins.c (real_dconstp): Delete.
1356 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1358 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1359 Jakub Jelinek <jakub@redhat.com>
1361 PR debug/37959
1362 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1363 (gen_subprogram_die): When a function is explicit, generate the
1364 DW_AT_explicit attribute.
1365 * langhooks.h (struct lang_hooks_for_decls): Add
1366 function_decl_explicit_p langhook.
1367 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1368 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1370 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1372 * builtins.c (fold_builtin_memory_op): Optimize memmove
1373 into memcpy if we can prove source and destination don't overlap.
1375 * tree-inline.c: Include gt-tree-inline.h.
1376 (clone_fn_id_num): New variable.
1377 (clone_function_name): New function.
1378 (tree_function_versioning): Use it.
1379 * Makefile.in (GTFILES): Add tree-inline.c.
1381 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1383 * BASE-VER: Change to 4.5.0.
1385 2009-03-27 Xinliang David Li <davidxl@google.com>
1387 PR tree-optimization/39557
1388 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1390 2009-03-27 Xinliang David Li <davidxl@google.com>
1392 PR tree-optimization/39548
1393 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1394 candidate check.
1396 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1398 * c-common.c (pointer_int_sum): Use %wd on return from
1399 tree_low_cst.
1401 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1403 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1404 on return from tree_low_cst.
1406 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1408 PR c++/36799
1409 * ginclude/stdarg.h (va_copy): Define also for
1410 __GXX_EXPERIMENTAL_CXX0X__.
1412 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1414 PR c++/35652
1415 * builtins.h (c_strlen): Do not warn here.
1416 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1417 * c-common.c (pointer_int_sum): Take an explicit location.
1418 Warn about offsets out of bounds.
1419 * c-common.h (pointer_int_sum): Adjust declaration.
1421 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1423 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1424 markup glitch.
1426 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1428 PR c++/39554
1429 * opts.c (warn_if_disallowed_function_p): Don't assume
1430 get_callee_fndecl must return non-NULL.
1432 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1434 PR rtl-optimization/39522
1435 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1436 when reg_reloaded_valid is set.
1438 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1440 * config/spu/divv2df3.c: New file.
1441 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1442 (DPBIT_FUNCS): Filter out _div_df.
1444 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1446 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1447 a jump insn, count that jump in the distance to the loop start.
1449 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1451 PR target/39523
1452 * config/sh/sh.c (calc_live_regs): Fix condition for global
1453 registers except PIC_OFFSET_TABLE_REGNUM.
1455 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1457 PR/39518
1458 * doc/invoke.texi (-mconsole): New.
1459 (-mcygwin): New.
1460 (-mno-cygwin): New.
1461 (-mdll): New.
1462 (-mnop-fun-dllimport): New.
1463 (-mthread): New.
1464 (-mwin32): New.
1465 (-mwindows): New.
1466 (sub section "i386 and x86-64 Windows Options"): New.
1468 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1470 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1471 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1473 2009-03-25 Richard Guenther <rguenther@suse.de>
1475 PR middle-end/39497
1476 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1477 of -Wno-error.
1479 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1481 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1482 neither of haifa/selective schedulers are working.
1484 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1486 * doc/invoke.texi (Debugging Options): Fix description of
1487 -fno-merge-debug-strings.
1489 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1491 * config/cris/libgcc.ver: New version-script.
1492 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1494 * configure.ac <GAS features, nop mnemonic>: Add pattern
1495 crisv32-*-* for "nop".
1496 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1497 * configure: Regenerate.
1499 2009-03-24 Ira Rosen <irar@il.ibm.com>
1501 PR tree-optimization/39529
1502 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1503 mark_sym_for_renaming for the tag copied to the new vector
1504 pointer.
1506 2009-03-24 Arthur Loiret <aloiret@debian.org>
1508 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1509 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1510 EXTRA_SPEC_FUNCTIONS.
1511 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1512 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1513 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1514 -march and -mtune options.
1516 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1518 * config/m68k/t-rtems: Add m5329 multilib.
1520 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1521 Jakub Jelinek <jakub@redhat.com>
1523 PR debug/39524
1524 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1525 nodes.
1527 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1529 PR c/39495
1530 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1531 instead of c_parser_expression_conv, if original_code isn't one of the
1532 4 allowed comparison codes, fail.
1534 2009-03-23 Richard Guenther <rguenther@suse.de>
1536 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1537 * tree.h (struct tree_type): Likewise.
1538 * reload.h (struct insn_chain): Likewise.
1539 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1540 * function.h (struct function): Likewise.
1541 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1543 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1545 PR tree-optimization/39516
1546 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1548 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1550 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1551 should be set true if BITS_PER_WORD of target is bigger than 32
1553 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1555 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1556 Translate -B-options to -rpath-link. Correct existing
1557 rpath-link and conditionalize on !nostdlib.
1559 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1561 * doc/extend.texi (Function Attributes, Variable Attributes):
1562 Fix typos.
1563 * doc/invoke.texi (Debugging Options, Optimize Options)
1564 (i386 and x86-64 Options, MCore Options): Likewise.
1566 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1568 PR debug/37890
1569 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1570 it for block local namespace aliases.
1571 (gen_decl_die): Pass context_die to gen_namespace_die.
1573 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1575 PR c/39495
1576 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1577 minimum or maximum value.
1579 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1581 * reginfo.c (globalize_reg): Recompute derived reg sets.
1583 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1585 PR target/39063
1586 * libgcc2.c (mprotect): Do not use signed arguments for
1587 VirtualProtect, use DWORD arguments. Also fix the 'may
1588 be used uninitialized' warning for the np variable.
1590 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1592 PR target/39496
1593 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1594 functions using regparm calling conventions when not optimizing.
1595 (ix86_function_sseregparm): Similarly for sseregparm calling
1596 conventions.
1598 2009-03-19 Li Feng <nemokingdom@gmail.com>
1600 PR middle-end/39500
1601 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1602 dependence if the first conflict is after niter iterations.
1604 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1606 PR middle-end/38609
1607 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1608 functions with dynamic stack-pointer adjustments.
1610 2009-03-19 Ben Elliston <bje@au.ibm.com>
1612 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1613 option; change to -msdata=data.
1615 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1617 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1618 and -fopenmp.
1620 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1622 PR target/35180
1623 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1625 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1627 * doc/invoke.texi (Code Gen Options): Expand discussion of
1628 -fno-common.
1630 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1632 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1633 * matrix-reorg.c (struct matrix_info): Likewise.
1634 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1635 * rtl.h (struct mem_attrs): Likewise.
1636 * df.h (struct df): Likewise.
1637 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1638 * ira-int.h (struct ira_allocno): Likewise.
1639 * df-scan.c (struct df_collection_rec): Likewise.
1640 * ira.c (struct equivalence): Likewise.
1641 * function.c (struct temp_slot): Likewise.
1642 * cfgloop.h (struct loop): Likewise.
1644 PR debug/39485
1645 * function.c (use_register_for_decl): When not optimizing, disregard
1646 register keyword for variables with types containing methods.
1648 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1650 PR middle-end/39447
1651 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1652 (is_simple_operand): Call contains_component_ref_p before calling data
1653 reference analysis that would fail on COMPONENT_REFs.
1655 * tree-vrp.c (search_for_addr_array): Fix formatting.
1657 2009-03-18 Richard Guenther <rguenther@suse.de>
1659 * tree-vect-transform.c (vect_loop_versioning): Fold the
1660 generated comparisons.
1661 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1662 (slpeel_tree_peel_loop_to_edge): Likewise.
1664 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1666 PR middle-end/37805
1667 * opts.c (print_specific_help): In addition to `undocumented',
1668 accept `separate' and `joined' flags if passed alone. Describe
1669 output by the first matched one of those.
1670 (common_handle_option): Skip over empty strings.
1671 * gcc.c (display_help): Fix help string for `--help='.
1672 * doc/invoke.texi (Option Summary, Overall Options): With
1673 `--help=', classes and qualifiers can both be repeated, but
1674 only the latter can be negated. One should not pass only
1675 negated qualifiers. Fix markup and examples.
1677 Revert
1678 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1679 PR middle-end/37805
1680 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1681 and -fhelp=separate.
1683 2009-03-17 Jing Yu <jingyu@google.com>
1685 PR middle-end/39378
1686 * function.h (struct rtl_data): Move is_thunk from here...
1687 (struct function): ...to here.
1688 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1689 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1690 cfun.
1691 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1692 cfun.
1693 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1694 (alpha_output_function_end_prologue): Likewise.
1695 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1696 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1697 (rs6000_output_function_epilogue): Likewise.
1698 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1700 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1702 PR target/39482
1703 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1704 from different units in a single alternative.
1705 (*truncdfsf_i387): Ditto.
1706 (*truncxfsf2_mixed): Ditto.
1707 (*truncxfdf2_mixed): Ditto.
1709 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1711 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1712 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1714 PR debug/39474
1715 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1716 unused non-artificial variables when not optimizing.
1718 PR debug/39471
1719 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1720 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1721 NAMESPACE_DECL in its DECL_INITIAL.
1723 PR middle-end/39443
1724 * optabs.c (set_user_assembler_libfunc): New function.
1725 * expr.h (set_user_assembler_libfunc): New prototype.
1726 * c-common.c: Include libfuncs.h.
1727 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1728 for memcmp, memset, memcpy, memmove and abort.
1729 * Makefile.in (c-common.o): Depend on libfuncs.h.
1731 PR debug/39412
1732 * dwarf2out.c (gen_inlined_enumeration_type_die,
1733 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1734 gen_tagged_type_instantiation_die): Removed.
1735 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1736 do nothing.
1738 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1740 PR testsuite/38526
1741 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1742 its use.
1743 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1744 (check-parallel-%): Ditto.
1745 (check-consistency): Ditto.
1747 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1749 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1750 local variable rhs by NULL_TREE.
1752 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1754 PR target/39477
1755 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1757 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1759 PR target/39476
1760 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1762 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1764 PR target/39473
1765 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1766 for ms->sysv ABI calls only in 64bit mode.
1768 * config/i386/i386.md (untyped_call): Support 32bit.
1770 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1772 * doc/extend.texi: Replace x86_65 with x86_64.
1774 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1776 PR tree-optimization/39455
1777 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1778 mismatches for POINTER_TYPE_P (type).
1779 (number_of_iterations_le): Likewise.
1781 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1783 * config/picochip/picochip.c: Removed profiling support.
1784 * config/picochip/picochip.md: Removed profiling instruction.
1785 * config/picochip/picochip.h: Removed profiling builtin.
1787 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1789 * doc/install.texi (--with-host-libstdcxx): Document.
1791 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1793 PR target/34299
1794 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1795 generate a warning if the function name does not begin with
1796 "__vector" and the function has either the 'signal' or 'interrupt'
1797 attribute, from here to ...
1798 (avr_declare_function_name): ...here. New function.
1799 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1800 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1802 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1804 PR bootstrap/39454
1805 * cse.c (fold_rtx): Don't modify original const_arg1 when
1806 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1807 separate variable instead.
1808 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1809 from out of range shift counts.
1810 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1812 2008-03-13 Catherine Moore <clm@codesourcery.com>
1814 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1815 diagnostic.h with $(DIAGNOSTIC_H).
1817 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1819 PR target/39431
1820 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1821 predicate.
1822 * config/i386/sync.md (sync_compare_and_swap<mode>,
1823 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1824 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1825 into a register.
1826 (sync_double_compare_and_swapdi_pic,
1827 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1828 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1830 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1832 PR target/39445
1833 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1835 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1837 PR target/39327
1838 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1839 (avx_addsubv4df3): Likewise.
1840 (*avx_addsubv4sf3): Likewise.
1841 (sse3_addsubv4sf3): Likewise.
1843 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1845 PR target/38824
1846 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1848 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1850 PR debug/39432
1851 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1852 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1853 registers for allocnos created from user-defined variables.
1855 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1857 PR target/39181
1858 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1859 of non-integer mode as well.
1861 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1863 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1864 for functions for which the parameter types are unknown.
1866 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1868 PR target/39137
1869 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1870 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1871 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1872 * config/i386/i386.c (ix86_local_alignment): For
1873 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1874 long long variables on the stack to avoid dynamic realignment.
1875 Allow the first argument to be a decl rather than type.
1876 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1878 2009-03-11 Nick Clifton <nickc@redhat.com>
1880 PR target/5362
1881 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1882 options.
1883 Add description to mno-lsim option.
1884 * config/mcore/mcore.h: Remove comment about deprecated m4align
1885 option.
1886 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1887 * doc/invoke.texi: Add description of mno-lsim and
1888 mstack-increment options.
1890 * config/fr30/fr30.opt: Document the -mno-lsim option.
1891 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1892 and -mno-lsim options.
1894 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1896 * fold-const.c (fold_comparison): Only call fold_inf_compare
1897 if the mode supports infinities.
1899 2009-03-11 Jason Merrill <jason@redhat.com>
1901 PR debug/39086
1902 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1903 end already did. Notice GIMPLE_CALL modifications of the result.
1904 Don't copy debug information from an ignored decl or a decl from
1905 another function.
1907 2009-03-10 Richard Guenther <rguenther@suse.de>
1908 Nathan Froyd <froydnj@codesourcery.com>
1910 PR middle-end/37850
1911 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1912 (__divMODE3): Likewise.
1914 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1916 PR tree-optimization/39394
1917 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1918 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1920 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1922 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1923 inline asms for register asm ("") declarations.
1925 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1927 * fold-const.c (fold_unary): Fix comment.
1929 2009-03-07 Jan Hubicka <jh@suse.cz>
1931 PR target/39361
1932 * tree-inline.c (setup_one_parameter): Do replacement of const
1933 argument by constant in SSA form.
1935 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1937 PR middle-end/38028
1938 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1939 determine alignment passed to assign_stack_local.
1940 (assign_parms_unsplit_complex): Likewise.
1941 * except.c (sjlj_build_landing_pads): Likewise.
1943 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1945 PR middle-end/39360
1946 * tree-flow.h (add_referenced_var): Return bool instead of void.
1947 * tree-dfa.c (add_referenced_var): Return result of
1948 referenced_var_check_and_insert call.
1949 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1950 of referenced_var_check_and_insert.
1952 PR debug/39372
1953 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1954 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1955 DIE, don't emit it if abstract origin already has it.
1956 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1957 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1959 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1961 * genpreds.c (needs_variable): Fix parentheses at variable name
1962 detection.
1963 (write_tm_constrs_h): Indent generated code.
1965 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1967 * doc/extend.texi (Function Attributes): Add documentation
1968 for isr attributes.
1970 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1972 PR debug/39387
1973 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1974 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1976 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1978 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1979 the loop as bad.
1981 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1983 PR debug/39379
1984 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1985 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1987 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1989 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1990 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1991 constants instead of magic numbers.
1992 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1993 (QI_REG_P): Ditto.
1994 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1995 (x86_64_ms_abi_int_parameter_registers): Ditto.
1996 (x86_64_int_return_registers): Ditto.
1997 (ix86_maybe_switch_abi): Ditto.
1998 (ix86_expand_call): Ditto for clobbered_registers array.
1999 (ix86_hard_regno_mode_ok): Ditto.
2000 (x86_extended_QIreg_mentioned_p): Ditto.
2002 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
2004 PR tree-optimization/39349
2005 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2007 * combine.c (gen_lowpart_for_combine): Use omode when generating
2008 clobber.
2010 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
2012 PR rtl-optimization/39235
2013 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2015 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2017 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2019 2009-03-04 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/39362
2022 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2023 that occur in abnormal PHIs should be varying.
2025 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2027 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2028 Extend comments.
2029 (simple_iv): Take loop as an argument instead of statement.
2030 * tree-scalar-evolution.h (simple_iv): Declaration changed.
2031 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2032 to simple_iv.
2033 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2034 Ditto.
2035 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2036 * matrix-reorg.c (analyze_transpose): Ditto.
2037 * tree-data-ref.c (dr_analyze_innermost): Ditto.
2038 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2039 * tree-predcom.c (ref_at_iteration): Ditto.
2040 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2042 2009-03-04 Richard Guenther <rguenther@suse.de>
2044 PR tree-optimization/39358
2045 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2046 escaped_id and callused_id.
2047 (solve_graph): Likewise.
2049 2009-03-04 Richard Guenther <rguenther@suse.de>
2051 PR tree-optimization/39339
2052 * tree-sra.c (try_instantiate_multiple_fields): Make it
2053 no longer ICE on the above.
2055 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2057 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2058 that fits within Pmode.
2060 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2062 PR middle-end/10109
2063 * tm.texi (LIBCALL_VALUE): Update description.
2065 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2067 PR middle-end/34443
2068 * doc/extend.texi (section): Update description.
2070 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2072 PR middle-end/39345
2073 * tree-inline.c (remapped_type): New.
2074 (can_be_nonlocal): Call remapped_type instead of remap_type.
2076 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2078 PR fortran/39354
2079 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2080 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2082 2009-03-03 Richard Guenther <rguenther@suse.de>
2084 PR middle-end/39272
2085 * tree.c (tree_nonartificial_location): New function.
2086 * tree.h (tree_nonartificial_location): Declare.
2087 * builtins.c (expand_builtin_memory_chk): Provide location
2088 of the call location for artificial function pieces.
2089 (maybe_emit_chk_warning): Likewise.
2090 (maybe_emit_sprintf_chk_warning): Likewise.
2091 (maybe_emit_free_warning): Likewise.
2092 * expr.c (expand_expr_real_1): Likewise.
2094 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2096 PR tree-optimization/39343
2097 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2098 COMPONENT_REF t has ARRAY_TYPE.
2100 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2102 PR middle-end/39335
2103 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2104 when the type precision of the induction variable should be
2105 larger than the type precision of nit.
2106 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2107 * graphite.c (graphite_loop_normal_form): Same.
2108 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2110 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2112 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2113 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2114 numbers to describe clobbered registers.
2115 (*call_value_0_rex64_ms_sysv): Ditto.
2116 * config/i386/mmx.md (mmx_emms): Ditto.
2117 (mmx_femms): Ditto.
2119 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2121 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2122 of ABI_64.
2124 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2126 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2127 (spu_section_type_flags): New function.
2129 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2131 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2132 reg_class_contents of FLOAT_REGS into a temporary.
2134 2009-03-02 Richard Guenther <rguenther@suse.de>
2135 Ira Rosen <irar@il.ibm.com>
2137 PR tree-optimization/39318
2138 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2139 information to the vectorized statement.
2141 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2143 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2144 variable. Use defined names instead of magic constants for REX SSE
2145 registers.
2147 2009-03-01 Richard Guenther <rguenther@suse.de>
2149 PR tree-optimization/39331
2150 * omp-low.c (lower_send_shared_vars): Do not receive new
2151 values for the reference of DECL_BY_REFERENCE parms or results.
2153 2009-03-01 Jan Hubicka <jh@suse.cz>
2155 PR debug/39267
2156 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2157 BLOCK_NONLOCALIZED_VAR): New macros.
2158 (tree_block): Add nonlocalized_vars.
2159 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2160 gen_decl_die): Add origin argument. Allow generation of die with
2161 origin at hand only.
2162 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2163 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2164 of gen_*.
2165 (gen_block_die): Fix checking for unused blocks.
2166 (process_scope_var): Break out from .... ; work with origins only.
2167 (decls_for_scope) ... here; process nonlocalized list.
2168 (dwarf2out_ignore_block): Look for nonlocalized vars.
2169 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2170 vars.
2171 (dump_scope_block): Dump them.
2172 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2173 (remap_block): Likewise.
2174 (can_be_nonlocal): New predicate.
2175 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2177 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2179 * configure: Regenerate.
2181 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2183 * optc-gen.awk: No need to duplicate option flags twice.
2184 Reuse help texts for duplicate options which do not have any.
2186 * gcc.c (display_help): Document --version.
2188 * gcc.c (main): If print_help_list and verbose_flag, ensure
2189 driver output comes before subprocess output.
2191 * optc-gen.awk: Assign all remaining fields to help string,
2192 space-separated, for multi-line help in *.opt.
2194 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2195 -Wno-pedantic-ms-format is for MinGW targets only.
2197 * doc/options.texi (Option file format): Fix bad indentation,
2198 restoring dropped sentence.
2200 2009-02-28 Jan Hubicka <jh@suse.cz>
2202 * tree-inline.c (tree_function_versioning): Output debug info.
2204 2009-02-28 Jan Hubicka <jh@suse.cz>
2206 PR debug/39267
2207 * tree-inline.c (setup_one_parameter): Do not copy propagate
2208 arguments when not optimizing.
2210 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2212 PR target/39327
2213 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2214 (avx_addsubv4df3): Likewise.
2215 (*avx_addsubv4sf3): Likewise.
2216 (sse3_addsubv4sf3): Likewise.
2217 (*avx_addsubv2df3): Likewise.
2218 (sse3_addsubv2df3): Likewise.
2219 (avx_unpckhps256): Correct item selectors.
2220 (avx_unpcklps256): Likewise.
2221 (avx_unpckhpd256): Likewise.
2222 (avx_unpcklpd256): Likewise.
2224 2009-02-28 Jan Hubicka <jh@suse.cz>
2226 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2227 static vars.
2228 (copy_arguments_for_versioning): If var is declared don't declare it.
2229 (tree_function_versioning): First setup substitutions and then copy
2230 args.
2232 2009-02-27 Jan Hubicka <jh@suse.cz>
2234 PR debug/39267
2235 * cgraph.h (varpool_output_debug_info): Remove.
2236 * cgraphunit.c (varpool_output_debug_info): Remove.
2237 * dwarf2out.c (deferred_locations_struct): New struct
2238 (deferred_locations): New type.
2239 (deferred_locations_list): New static var.
2240 (deffer_location): New function.
2241 (gen_variable_die): Use it.
2242 (decls_for_scope): Output info on local static vars.
2243 (dwarf2out_finish): Process deferred locations.
2244 * varpool.c (varpool_output_debug_info): Remove.
2246 2009-02-27 Jan Hubicka <jh@suse.cz>
2248 PR debug/39267
2249 * tree.h (TREE_PROTECTED): Fix comment.
2250 (BLOCK_HANDLER_BLOCK): Remove.
2251 (struct tree_block): Remove handler_block add body_block.
2252 (inlined_function_outer_scope_p): New.
2253 (is_body_block): Remove.
2254 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2255 * dwarf2out.c (is_inlined_entry_point): Remove.
2256 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2257 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2258 code.
2259 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2260 * gimplify.c (gimplify_expr): Gimplify body blocks.
2261 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2262 block with multiple subblocks.
2263 (dump_scope_block): Prettier output; dump more flags and info.
2264 (dump_scope_blocks): New.
2265 (remove_unused_locals): Use dump_scope_blocks.
2266 * tree-flow.h (dump_scope_blocks): Declare.
2267 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2268 * stmt.c (is_body_block): Remove.
2269 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2270 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2272 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2274 PR middle-end/39308
2275 * graphite.c (graphite_loop_normal_form): Do not call
2276 number_of_iterations_exit from a gcc_assert.
2278 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2280 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2281 jumps if COND is NULL.
2282 (find_cond_jump): New function.
2283 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2284 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2286 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2288 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2289 force_const_mem returns NULL_RTX.
2291 2009-02-26 Jan Hubicka <jh@suse.cz>
2293 PR debug/39267
2294 * cgraph.h (varpool_output_debug_info): Remove.
2295 * cgraphunit.c (varpool_output_debug_info): Remove.
2296 * dwarf2out.c (deferred_locations_struct): New struct
2297 (deferred_locations): New type.
2298 (deferred_locations_list): New static var.
2299 (deffer_location): New function.
2300 (gen_variable_die): Use it.
2301 (decls_for_scope): Output info on local static vars.
2302 (dwarf2out_finish): Process deferred locations.
2303 * varpool.c (varpool_output_debug_info): Remove.
2305 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2307 PR rtl-optimization/39241
2308 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2309 to subreg_offset_representable_p.
2311 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2313 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2314 execute function prototype. Get f and nregs from max_reg_num
2315 and get_insns. Remove the first backward pass as it's dead,
2316 guard the forward pass by flag_expensive_optimizations.
2317 (rest_of_handle_regmove): Delete.
2318 (pass_regmove): Replace it with regmove_optimize.
2320 2009-02-25 Martin Jambor <mjambor@suse.cz>
2322 PR tree-optimization/39259
2323 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2324 calls_alloca function flags.
2325 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2326 calls are detected.
2328 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2330 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2331 flags_set_1_rtx, flags_set_1_set): Delete.
2332 (regmove_optimize): Do not call mark_flags_life_zones.
2334 2009-02-24 Julian Brown <julian@codesourcery.com>
2336 PR target/35965
2337 * config/arm/arm.c (require_pic_register): Only set
2338 cfun->machine->pic_reg once per function.
2340 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2342 * doc/invoke.texi (Link Options): Document an easier way to pass
2343 options that take arguments to the GNU linker using -Xlinker and -Wl.
2345 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2347 PR target/33785
2348 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2350 2009-02-24 Richard Guenther <rguenther@suse.de>
2352 PR debug/39285
2353 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2355 2009-02-24 Richard Guenther <rguenther@suse.de>
2356 Zdenek Dvorak <ook@ucw.cz>
2358 PR tree-optimization/39233
2359 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2360 from converting them to a generic type.
2362 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2364 PR tree-optimization/39260
2365 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2366 contains a condition with a real type.
2367 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2369 2009-02-23 Jason Merrill <jason@redhat.com>
2371 PR c++/38880
2372 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2373 narrowing_initializer_constant_valid_p.
2374 (narrowing_initializer_constant_valid_p): Don't return
2375 null_pointer_node for adding a pointer to itself.
2377 2009-02-23 Jan Hubicka <jh@suse.cz>
2379 PR c/12245
2380 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2381 resizing.
2383 2009-02-23 Jan Hubicka <jh@suse.cz>
2385 PR tree-optimization/37709
2386 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2387 * tree.h (block_ultimate_origin): Declare.
2388 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2389 * tree-ssa-live.c (remove_unused_scope_block_p):
2390 Eliminate blocks containig no instructions nor live variables nor
2391 nested blocks.
2392 (dump_scope_block): New function.
2393 (remove_unused_locals): Enable removal of dead blocks by default;
2394 enable dumping at TDF_DETAILS.
2396 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2398 * config/i386/i386.c (classify_argument): Don't allow COImode
2399 and OImode.
2400 (function_arg_advance_32): Don't allow OImode.
2401 (function_arg_32): Likewise.
2402 (function_value_32): Likewise.
2403 (return_in_memory_32): Likewise.
2404 (function_arg_64): Remove OImode comment.
2406 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2408 PR target/39261
2409 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2410 ix86_expand_vector_set for V4DImode in 64bit mode only.
2411 (ix86_expand_vector_init_one_var): Likewise.
2413 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2415 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2417 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2419 PR bootstrap/39257
2420 * loop-iv.c: Revert last change.
2421 * emit-rtl.c: Likewise.
2423 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2425 PR target/39256
2426 * config/i386/i386.c (type_natural_mode): Remove an extra
2427 space in the warning message.
2428 (function_value_32): Handle 32-byte vector modes.
2429 (return_in_memory_32): Likewise.
2431 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2433 * loop-iv.c (truncate_value): New function.
2434 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2435 of lowpart_subreg.
2436 (lowpart_subreg): Move to...
2437 * emit-rtl.c: ...here.
2439 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2441 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2442 accidental and undocumented change at revision 140860.
2444 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2446 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2447 take gimple_seq * arguments.
2448 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2449 types_compatible_p langhook.
2451 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2452 Joseph Myers <joseph@codesourcery.com>
2454 * config/arm/arm.c (arm_builtin_va_list): New function.
2455 (arm_expand_builtin_va_start): Likewise.
2456 (arm_gimplify_va_arg_expr): Likewise.
2457 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2458 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2459 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2460 (va_list_type): New variable.
2461 (arm_mangle_type): Mangle va_list_type appropriately.
2463 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2465 PR middle-end/39157
2466 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2467 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2468 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2469 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2470 parameter to 1000 for -O1 by default.
2471 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2472 parameter.
2473 * loop-invariant.c: Include params.h.
2474 (move_loop_invariants): Don't call move_single_loop_invariants on
2475 very large loops.
2477 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2479 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2480 offset when calculating bounds for indexing stack_usage_map. Fixes
2481 a buffer overflow with certain target setups.
2483 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2485 PR target/39240
2486 * calls.c (expand_call): Clear try_tail_call if caller and callee
2487 disagree in promotion of function return value.
2489 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2491 PR target/39175
2492 * c-common.c (c_determine_visibility): If visibility changed and
2493 DECL_RTL has been already set, call make_decl_rtl to update symbol
2494 flags.
2496 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2498 PR c++/39188
2499 * varasm.c (assemble_variable): Don't check DECL_NAME when
2500 globalizing a variable.
2502 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2504 PR c/38483
2505 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2506 expression before any __builtin_trap call.
2507 * c-typeck.c (build_function_call): Convert and check function
2508 arguments before generating a call to a trap. Evaluate the
2509 function arguments before the trap.
2511 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2513 PR target/39228
2514 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2515 (UNSPEC_FXAM_MEM): New unspec.
2516 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2517 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2518 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2520 2009-02-19 Richard Guenther <rguenther@suse.de>
2522 PR tree-optimization/39207
2523 PR tree-optimization/39074
2524 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2525 storedanything_tree): New.
2526 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2527 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2528 (build_succ_graph): Add edges from STOREDANYTHING to all
2529 non-direct nodes.
2530 (init_base_vars): Initialize STOREDANYTHING.
2531 (compute_points_to_sets): Free substitution info after
2532 building the succ graph.
2533 (ipa_pta_execute): Likewise.
2535 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2536 field.
2537 (do_ds_constraint): Do not add to special var or non-pointer
2538 field solutions.
2539 (type_could_have_pointers): Split out from ...
2540 (could_have_pointers): ... here. For arrays use the element type.
2541 (create_variable_info_for): Initialize may_have_pointers.
2542 (new_var_info): Likewise.
2543 (handle_lhs_call): Make the HEAP variable unknown-sized.
2544 (intra_create_variable_infos): Use a type with pointers for
2545 PARM_NOALIAS, make it unknown-sized.
2547 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2549 PR target/39224
2550 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2552 2009-02-18 Jason Merrill <jason@redhat.com>
2554 PR target/39179
2555 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2556 value if DECL_EXTERNAL.
2557 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2558 * target.h (gcc_target::binds_local_p): Clarify "module".
2559 * tree.h (TREE_PUBLIC): Clarify "module".
2561 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2563 PR target/38891
2564 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2565 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2567 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2569 PR target/39082
2570 * c.opt (Wabi): Support C and ObjC.
2571 (Wpsabi): New.
2573 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2575 * config/i386/i386.c (classify_argument): Warn once about the ABI
2576 change when passing union with long double.
2578 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2580 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2582 PR c/35447
2583 * c-parser.c (c_parser_compound_statement): Always enter and leave
2584 a scope.
2586 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2588 PR target/34587
2589 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2591 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2593 PR tree-optimization/36922
2594 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2595 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2596 Likewise.
2598 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2600 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2601 to 0 for EABI64.
2603 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2605 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2607 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2609 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2610 tree sharing.
2612 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2613 Richard Sandiford <rdsandiford@googlemail.com>
2615 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2616 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2617 (loongson_biadd): ...this.
2619 2009-02-17 Richard Guenther <rguenther@suse.de>
2621 PR tree-optimization/39202
2622 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2623 a var make sure to follow existing collapses.
2625 2009-02-17 Richard Guenther <rguenther@suse.de>
2627 PR middle-end/39214
2628 * langhooks.c (lhd_print_error_function): Check for NULL block.
2630 2009-02-17 Richard Guenther <rguenther@suse.de>
2632 PR tree-optimization/39204
2633 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2634 of the PHI arg.
2636 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2638 * config/soft-fp/double.h: Update from glibc CVS.
2640 2009-02-17 Richard Guenther <rguenther@suse.de>
2642 PR tree-optimization/39207
2643 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2644 strict-aliasing warnings for pointers pointing to NULL.
2646 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2648 PR c/35446
2649 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2650 skipping until next close brace.
2652 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2654 PR target/37049
2655 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2656 to function argument boundary.
2658 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2660 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2661 in the lea_add. Reload eventually constraints it properly.
2662 * config/picochip/constraints.md : Remove the target constraint
2663 "b", since it is not needed anymore.
2665 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2667 * gthr-dce.h: Uglify function parameter and local variable names.
2668 * gthr-gnat.h: Likewise.
2669 * gthr-mipssde.h: Likewise.
2670 * gthr-nks.h: Likewise.
2671 * gthr-posix95.h: Likewise.
2672 * gthr-posix.h: Likewise.
2673 * gthr-rtems.h: Likewise.
2674 * gthr-single.h: Likewise.
2675 * gthr-solaris.h: Likewise.
2676 * gthr-tpf.h: Likewise.
2677 * gthr-vxworks.h: Likewise.
2678 * gthr-win32.h: Likewise.
2680 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2682 PR target/39196
2683 * config/i386/i386.md: Restrict the new peephole2 to move
2684 between MMX/SSE registers.
2686 2009-02-15 Richard Guenther <rguenther@suse.de>
2688 Revert
2689 2009-02-13 Richard Guenther <rguenther@suse.de>
2691 * configure.ac: Enable LFS.
2692 * configure: Re-generate.
2693 * config.in: Likewise.
2695 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2697 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2698 spu_srqwbyte, spu_srqwbytebc): Define.
2699 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2700 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2701 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2702 "shrqby_<mode>"): New insn-and-split patterns.
2703 * config/spu/spu.c (expand_builtin_args): Determine and return
2704 number of operands using spu_builtin_description data.
2705 (spu_expand_builtin_1): Use it.
2707 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2709 PR target/38056
2710 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2711 TARGET_CONST_GP.
2713 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2715 PR target/39149
2716 * config/i386/i386.c (override_options): Correct warning
2717 messages for -malign-loops, -malign-jumps and -malign-functions.
2719 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2721 PR target/39152
2722 * config/i386/i386.md: Restrict the new peephole2 to move
2723 between the general purpose registers.
2725 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2727 PR target/39162
2728 * config/i386/i386.c (type_natural_mode): Add a new argument.
2729 Return the original mode and warn ABI change if vector size is 32byte.
2730 (function_arg_advance): Updated.
2731 (function_arg): Likewise.
2732 (ix86_function_value): Likewise.
2733 (ix86_return_in_memory): Likewise.
2734 (ix86_sol10_return_in_memory): Likewise.
2735 (ix86_gimplify_va_arg): Likewise.
2736 (function_arg_32): Don't warn ABX ABI change here.
2737 (function_arg_64): Likewise.
2739 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2741 * loop-iv.c (implies_p): In the final case, test that operands 0
2742 of the two comparisons match.
2744 * config/bfin/bfin.c (find_prev_insn_start): New function.
2745 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2746 (find_next_insn_start): Move.
2748 2009-02-13 Richard Guenther <rguenther@suse.de>
2750 * configure.ac: Enable LFS.
2751 * configure: Re-generate.
2752 * config.in: Likewise.
2754 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2756 PR c/35444
2757 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2758 sizes on syntax error after some arguments have been parsed.
2760 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2762 * doc/invoke.texi (-fira): Remove.
2764 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2766 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2767 * recog.c: Likewise.
2768 * rtl.h: Likewise.
2770 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2772 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2773 (umul_ppmm): Likewise.
2774 (count_leading_zeros): Likewise.
2775 (count_trailing_zeros): Likewise.
2776 (UMUL_TIME): Likewise.
2778 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2780 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2781 soft-fp/t-softfp to tmake_file.
2783 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2784 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2785 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2786 IA64_BUILTIN_INFQ]: New.
2787 (ia64_init_builtins): Initialize __builtin_infq,
2788 __builtin_fabsq and __builtin_copysignq if not HPUX.
2789 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2790 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2792 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2793 SHARED is defined.
2794 (__fixtfti): Likewise.
2795 (__fixunstfti): Likewise.
2796 (__floattitf): Likewise.
2798 * config/ia64/libgcc-glibc.ver: New.
2799 * config/ia64/t-fprules-softfp: Likewise.
2800 * config/ia64/sfp-machine.h: Likewise.
2802 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2803 (LIBGCC2_TF_CEXT): Likewise.
2804 (TF_SIZE): Likewise.
2805 (TARGET_INIT_LIBFUNCS): Likewise.
2807 * config/ia64/t-glibc (SHLINB_MAPFILES):
2808 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2810 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2812 * config/i386/i386.c (construct_container): Rewrite processing
2813 BLKmode with X86_64_SSE_CLASS.
2815 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2817 PR target/39152
2818 * config/i386/i386.md: Replace simplify_replace_rtx with
2819 replace_rtx in the new peephole2.
2821 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2823 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2824 loop unrolling do not happen at -O2.
2826 2009-02-12 Michael Matz <matz@suse.de>
2828 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2830 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2832 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2833 for -g3.
2835 2009-02-12 Ben Elliston <bje@au.ibm.com>
2837 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2838 patterns when updating the back chain. Missed in the 2009-02-10
2839 change.
2841 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2843 * doc/extend.texi (Decimal Floating Types): Update identifier of
2844 draft TR and list of missing support.
2846 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2848 PR middle-end/39154
2849 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2850 bit to variable length decl's flags, add it also to its
2851 pointer replacement variable.
2853 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2854 Jakub Jelinek <jakub@redhat.com>
2856 PR target/39118
2857 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2858 (memory_blockage): New expander.
2859 (*memory_blockage): New insn pattern.
2860 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2861 instead of general blockage at the end of function prologue when
2862 frame pointer is used to access red zone area. Do not emit blockage
2863 when profiling, it is emitted in generic code.
2864 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2865 function epilogue when frame pointer is used to access red zone area.
2867 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2869 PR target/38824
2870 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2871 by arithmetic with memory operands.
2872 * config/i386/predicates.md (commutative_operator): New.
2874 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2876 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2877 bulleted lists.
2879 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2881 * alias.h (record_alias_subset): Declare.
2882 * alias.c (record_alias_subset): Make global.
2884 2009-02-10 Nick Clifton <nickc@redhat.com>
2886 * tree-parloops.c: Change license to GPLv3.
2887 * ipa-struct-reorg.c: Change license to GPLv3.
2888 * ipa-struct-reorg.h: Change license to GPLv3.
2890 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2892 PR c/39084
2893 * c-decl.c (start_struct): Return NULL on error.
2895 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2897 PR middle-end/39124
2898 * cfgloopmanip.c (remove_path): Call remove_bbs after
2899 cancel_loop_tree, not before it.
2901 PR target/39139
2902 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2903 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2904 VAR_DECLs were seen.
2905 * tree-ssa-live.c (remove_unused_locals): Recompute
2906 cfun->has_local_explicit_reg_vars.
2907 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2908 copies or clearings if cfun->has_local_explicit_reg_vars.
2910 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2912 PR target/39118
2913 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2914 of function prologue when frame pointer is used to access
2915 red zone area.
2917 2009-02-10 Richard Guenther <rguenther@suse.de>
2919 PR middle-end/39127
2920 * gimplify.c (gimple_regimplify_operands): Always look if
2921 we need to create a temporary.
2923 2009-02-10 Richard Guenther <rguenther@suse.de>
2925 PR tree-optimization/39132
2926 * tree-loop-distribution.c (todo): New global var.
2927 (generate_memset_zero): Trigger TODO_rebuild_alias.
2928 (tree_loop_distribution): Return todo.
2930 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2932 PR target/39119
2933 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2934 (x86_64_reg_class_name): Removed.
2935 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2936 first one isn't X86_64_SSE_CLASS or any other ones aren't
2937 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2938 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2939 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2940 and 3 X86_64_SSEUP_CLASS.
2941 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2942 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2944 2009-02-10 Ben Elliston <bje@au.ibm.com>
2946 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2947 form instruction to update the stack back chain word, even if the
2948 user has disabled the generation of update instructions.
2949 (movdi_<mode>_update_stack): New.
2950 (movsi_update_stack): Likewise.
2951 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2952 always use an update form instruction to update the stack back
2953 chain word.
2955 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2957 PR middle-end/38953
2958 * graphite.c (if_region_set_false_region): After moving a region in
2959 the false branch of a condition, remove the empty dummy basic block.
2960 (gloog): Remove wrong fix for PR38953.
2962 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2964 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2965 generation due to implicit sign extension.
2967 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2969 PR middle-end/38981
2970 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2971 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2973 2009-02-09 Richard Guenther <rguenther@suse.de>
2975 PR middle-end/35202
2976 * convert.c (convert_to_real): Disable (float)fn((double)x)
2977 to fnf(x) conversion if errno differences may occur and
2978 -fmath-errno is set.
2980 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2982 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2983 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2984 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2986 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2988 PR c/35434
2989 * c-common.c (handle_alias_attribute): Disallow attribute for
2990 anything not a FUNCTION_DECL or VAR_DECL.
2992 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2994 PR c/39035
2995 * real.c (do_compare): Special-case compare of zero against
2996 decimal float value.
2998 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3000 PR c/36432
3001 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3002 as indicating flexible array members unless the field itself is
3003 being declarared as the incomplete array.
3005 2009-02-06 Jan Hubicka <jh@suse.cz>
3007 PR tree-optimization/38844
3008 * ipa-inline.c (try_inline): Stop inlining recursion when edge
3009 is already inlined.
3011 2009-02-06 Richard Guenther <rguenther@suse.de>
3013 PR middle-end/38977
3014 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3015 fork because we may expand it as __gcov_fork.
3017 2009-02-06 Nick Clifton <nickc@redhat.com>
3019 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3021 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
3023 PR tree-optimization/35659
3024 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3025 vn_phi_eq): Shortcut if hashcode does not match.
3026 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3027 NULL operands.
3028 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3029 and avoid iterative_hash_expr.
3030 (FOR_EACH_VALUE_ID_IN_SET): New.
3031 (value_id_compare): Remove.
3032 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3033 sort expressions by value id.
3035 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
3037 PR target/38991
3038 * config/sh/predicates.md (general_movsrc_operand): Don't check
3039 the subreg of system registers here.
3041 2009-02-05 Jakub Jelinek <jakub@redhat.com>
3043 PR c++/39106
3044 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3045 on the copied decl.
3047 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3049 PR rtl-optimization/39110
3050 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3051 addresses, not aligned ones.
3053 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3054 Richard Guenther <rguenther@suse.de>
3056 PR tree-optimization/39100
3057 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3058 comment says and add edges.
3060 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3062 PR c/35435
3063 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3064 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3066 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3068 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3069 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3070 register_bb_in_sese, new_sese, free_sese): Moved.
3071 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3072 outermost_loop_in_scop, build_scop_iteration_domain,
3073 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3074 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3075 Use loop_in_sese_p instead of loop_in_scop_p.
3076 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3077 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3078 (scopdet_basic_block_info): Fix bug in scop detection.
3079 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3080 eq_loop_to_cloog_loop): Remove.
3081 (nb_loops_around_loop_in_scop, nb_loop
3082 ref_nb_loops): Moved here...
3083 * graphite.h (ref_nb_loops): ... from here.
3084 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3085 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3086 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3087 * testsuite/gcc.dg/graphite/scop-19.c: New
3089 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3090 Hans-Peter Nilsson <hp@axis.com>
3092 PR rtl-optimization/37889
3093 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3094 Move offset handling from PLUS to before the switch. Use new
3095 arguments when considering SYMBOL_REFs too.
3096 (rtx_addr_can_trap_p): Pass dummy offset and size.
3097 (enum may_trap_p_flags): Remove.
3098 (may_trap_p_1): Pass size from MEM_SIZE.
3100 PR rtl-optimization/38921
3101 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3102 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3103 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3104 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3106 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3108 AVX Programming Reference (January, 2009)
3109 * config/i386/sse.md (*vpclmulqdq): New.
3111 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3113 PR tree-optimization/38977
3114 PR gcov-profile/38292
3115 * calls.c (special_function_p): Disregard __builtin_ prefix.
3117 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3119 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3120 non-indexable addresses even before reload.
3122 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3124 PR c/29129
3125 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3126 as having variable size. Do not give an error for unnamed
3127 parameters with [*] declarators. Give a warning for type names
3128 with [*] declarators and mark them as variable size.
3129 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3130 for sizeof applied to [*] type names.
3132 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3134 PR C++/36607
3135 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3137 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3139 * gcc.c (process_command): Update copyright notice dates.
3140 * gcov.c (print_version): Likewise.
3141 * gcov-dump.c (print_version): Likewise.
3142 * mips-tfile.c (main): Likewise.
3143 * mips-tdump.c (main): Likewise.
3145 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3147 PR c/35433
3148 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3149 for composite type involving a zero-length array type.
3151 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3153 PR target/35318
3154 * function.c (match_asm_constraints_1): Skip over
3155 initial optional % in the constraint.
3157 PR inline-asm/39059
3158 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3159 supported, don't accept FIXED_CSTs.
3160 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3161 and _Sat is used without _Fract/_Accum. Set specs->type to
3162 integer_type_node for cts_fract/cts_accum if fixed point is not
3163 supported.
3165 2009-02-02 Catherine Moore <clm@codesourcery.com>
3167 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3169 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3171 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3172 (ABI_HAS_64BIT_SYMBOLS): Use it.
3173 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3175 2009-02-02 Paul Brook <paul@codesourcery.com>
3177 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3179 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3181 PR inline-asm/39058
3182 * recog.h (asm_operand_ok): Add constraints argument.
3183 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3184 recurse on matching constraint.
3185 (check_asm_operands): Pass constraints as 3rd argument to
3186 asm_operand_ok. Don't look up matching constraint here.
3187 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3188 to asm_operand_ok.
3190 2009-02-02 Ben Elliston <bje@au.ibm.com>
3192 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3193 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3195 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3197 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3198 information. Remove some obsolete information. Reorganize.
3200 * config/pa/fptr.c: Revert license to GPL 2.
3201 * config/pa/milli64.S: Likewise.
3203 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3205 PR target/38904
3206 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3207 LIBRARY name in, instead of hard-coding it.
3208 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3209 extra target make frag to tmake_files according to EH model.
3210 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3211 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3212 frags that define makefile variable EH_MODEL appropriately.
3213 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3214 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3215 to "-sjlj" according to type of EH configured.
3216 (LIBGCC_SONAME): Concatenate it to shared library base name.
3217 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3218 to "_sjlj" according to type of EH configured.
3219 (LIBGCC_SONAME): Concatenate it to shared library base name.
3220 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3221 (SHLIB_LINK): Add missing semicolon to if-else construct.
3222 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3223 string value of "pe_dll" command-line option.
3224 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3225 (SHLIB_SONAME): Use it when overriding t-cygming default.
3226 (SHLIB_IMPLIB): Override t-cygming default.
3227 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3228 string value of "pe_dll" command-line option.
3230 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3232 PR target/38952
3233 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3234 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3236 2009-01-31 Richard Guenther <rguenther@suse.de>
3238 PR tree-optimization/38937
3239 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3240 computing the transitive closure.
3242 2009-01-30 Richard Guenther <rguenther@suse.de>
3244 PR tree-optimization/39041
3245 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3246 Propagate variable indices only if the types match for this stmt.
3248 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3250 PR target/39013
3251 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3252 inline but never defined.
3254 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3256 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3257 (*insv_h_di_reg_extimm): New insn.
3258 (*insv_l<mode>_reg_extimm): New insn.
3260 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3262 * config/picochip/picochip.c (flag_conserve_stack): set
3263 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3264 fconserve-stack. Reduce call-overhead used by inliner.
3266 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3268 PR/38157
3269 * common.opt (flag_conserve_stack): Initialised to zero.
3271 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3273 PR/39002
3274 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3275 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3276 method.
3278 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3280 * ira-color.c (allocno_reload_assign): Update comments.
3281 * regmove.c (regmove_optimize): Likewise.
3283 * ra.h: Removed.
3285 2009-01-29 Robert Millan <rmh@aybabtu.com>
3287 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3288 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3289 `MD_UNWIND_SUPPORT'.
3290 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3292 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3294 PR tree-optimization/39007
3295 * tree-loop-distribution.c (generate_builtin): Use
3296 recompute_dominator to compute the immediate dominator of the
3297 basic block just after the loop.
3299 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3301 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3302 (ASM_OUTPUT_DWARF_PCREL): Define.
3304 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3306 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3307 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3308 global. Modify entries about regmove and IRA.
3310 * ra-conflict.c: Remove the file.
3312 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3314 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3315 (pass_regclass_init): Rename to pass_reginfo_init.
3317 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3319 * toplev.h (flag_ira): Remove.
3321 * caller-save.c (setup_save_areas): Remove flag_ira.
3323 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3325 * global.c: Remove the file.
3327 * opts.c (decode_options): Remove flag_ira.
3329 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3331 * regmove.c: Modify file description.
3332 (find_use_as_address, try_auto_increment): Define them only if
3333 AUTO_INC_DEC is defined.
3334 (replacement_quality, replace_in_call_usage, fixup_match_1,
3335 stable_and_no_regs_but_for_p): Remove.
3336 (reg_set_in_bb): Make it static.
3337 (regmove_optimize): Remove flag_ira and code which worked for
3338 !flag_ira.
3340 * local-alloc.c: Remove the file.
3342 * common.opt (fira): Remove.
3344 * ira.c: Include except.h.
3345 (eliminable_regset): Move from global.c.
3346 (mark_elimination): Ditto. Remove flag_ira.
3347 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3348 equiv_mem_modified, validate_equiv_mem_from_store,
3349 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3350 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3351 no_equiv, recorded_label_ref): Move from local-alloc.c.
3352 (update_equiv_regs): Ditto. Make it static.
3353 (print_insn_chain, print_insn_chains): Move it from global.c.
3354 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3355 (build_insn_chain): Ditto. Make it static.
3356 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3357 Rename to init_live_subregs.
3358 (gate_ira): Remove flag_ira.
3360 * regclass.c: Rename reginfo.c. Change file description.
3361 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3362 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3363 (init_reg_sets_1): Remove code for evaluation of
3364 reg_class_superclasses and losing_caller_save_reg_set.
3365 (init_regs): Remove init_reg_autoinc.
3366 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3367 ok_for_base_p_nonstrict): Remove.
3368 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3369 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3370 corresponding entries.
3371 (dump_regclass, record_operand_costs, scan_one_insn,
3372 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3373 record_address_regs, auto_inc_dec_reg_p): Remove.
3374 (gt-regclass.h): Rename to gt-reginfo.h.
3376 * rtl.h (dump_global_regs, retry_global_alloc,
3377 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3379 * Makefile.in (RA_H): Remove.
3380 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3381 Rename regclass.o to reginfo.o.
3382 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3383 gt-reginfo.h.
3384 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3385 (GTFILES): Rename regclass.c to reginfo.c.
3387 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3388 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3390 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3391 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3392 Remove flag_ira.
3393 (finish_spills): Ditto. Remove code for !flag_ira.
3395 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3397 PR middle-end/35854
3398 * doc/invoke.texi (rtl debug options): Complete rewrite.
3399 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3400 to auto_inc_dec".
3401 * mode-switching.c (pass_mode_switching): Rename pass from
3402 "mode-sw" to "mode_sw".
3403 * except.c (pass_convert_to_eh_ranges): Rename pass from
3404 "eh-ranges" to "eh_ranges".
3405 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3406 to "subreg1".
3409 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3410 Alexander Monakov <amonakov@ispras.ru>
3412 PR middle-end/38857
3413 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3414 register.
3415 (move_exprs_to_boundary): Change return type and pass through
3416 should_move from move_op. Relax assert. Update usage ...
3417 (schedule_expr_on_boundary): ... here. Use should_move instead of
3418 cant_move.
3419 (move_op_orig_expr_found): Indicate that insn was disconnected from
3420 stream.
3421 (code_motion_process_successors): Do not call after_merge_succs
3422 callback if original expression was not found when traversing any of
3423 the branches.
3424 (code_motion_path_driver): Change return type. Update prototype.
3425 (move_op): Update comment. Add a new parameter (should_move). Update
3426 prototype. Set *should_move based on indication provided by
3427 move_op_orig_expr_found.
3429 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3431 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3432 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3433 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3434 * config/rs6000/rs6000.c (rs6000_override_options): Default
3435 avoid-indexed-addresses on for Power6, off for everything else.
3436 (avoiding_indexed_address_p): New function.
3437 (rs6000_legitimize_address): Use it.
3438 (rs6000_legitimate_address): Likewise.
3439 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3441 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3443 PR tree-optimization/38997
3444 * tree-loop-distribution.c (generate_memset_zero): Use
3445 POINTER_PLUS_EXPR for a pointer addition.
3447 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3449 * config/s390/s390.md (bswap<mode>2): New pattern added.
3451 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3453 * config/s390/s390.md (*tls_load_31): Added type attribute.
3455 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3457 * config/s390/s390.md: Fix a few comments.
3459 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3461 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3462 (*tm<mode>_full): Fixed z10prop attribute.
3463 (*tst<mode>_extimm): Fixed z10prop attribute.
3464 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3465 (*tstqiCCT_cconly): Fixed z10prop attribute.
3466 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3467 (*movsi_larl): Fixed z10prop attribute.
3468 (*movsi_zarch): Fixed z10prop attribute.
3469 (*movsi_eas): Fixed z10prop attribute.
3470 (*movhi): Fixed z10prop attribute.
3471 (*movqi): Fixed z10prop attribute.
3472 (*movstrictqi): Fixed z10prop attribute.
3473 (*mov<mode>): Fixed z10prop attribute.
3474 (*movcc): Fixed z10prop attribute.
3475 (*sethighpartdi_64): Fixed z10prop attribute.
3476 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3477 (*negdi2_sign_cc): Fixed z10prop attribute.
3478 (*negdi2_sign): Fixed z10prop attribute.
3479 (*absdi2_sign_cc): Fixed z10prop attribute.
3480 (*absdi2_sign): Fixed z10prop attribute.
3481 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3482 (*negabsdi2_sign): Fixed z10prop attribute.
3483 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3484 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3485 (doloop_si64): Fixed z10prop attribute.
3486 (doloop_si31): Fixed z10prop attribute.
3487 (doloop_long): Fixed z10prop attribute.
3488 (indirect_jump): Fixed z10prop attribute.
3489 (nop): Fixed z10prop attribute.
3490 (main_base_64): Fixed z10prop attribute.
3491 (reload_base_64): Fixed z10prop attribute.
3493 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3495 PR rtl-optimization/38740
3496 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3497 if !optimize.
3498 * config/mips/mips.c (mips_reorg): Likewise.
3500 2009-01-28 Richard Guenther <rguenther@suse.de>
3502 PR tree-optimization/38926
3503 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3504 with the correct value id to a value.
3505 (do_regular_insertion): Use the value number of edoubleprime
3506 for the value number of the expr.
3508 Revert
3509 2008-08-21 Richard Guenther <rguenther@suse.de>
3511 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3512 a PHI ask VN if it is already available.
3513 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3514 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3516 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3518 PR middle-end/38934
3519 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3520 set to varying whenever max has TREE_OVERFLOW set, similarly
3521 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3523 2009-01-28 Richard Guenther <rguenther@suse.de>
3525 PR middle-end/38908
3526 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3527 uninitialized aggregate uses in call arguments.
3529 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3531 PR tree-optimization/38984
3532 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3533 the nothing_id variable if -fno-delete-null-pointer-checks.
3535 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3537 PR target/38988
3538 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3539 (set_got_offset_rex64): Ditto.
3541 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3543 PR target/38941
3544 * doc/extend.texi: Improve local variable with asm reg.
3546 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3548 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3549 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3550 was not supplied then set warn_packed_bitfield_compat to the
3551 default value of 1.
3552 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3553 against 1.
3555 2009-01-27 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/38503
3558 * cfgexpand.c (expand_gimple_basic_block): Ignore
3559 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3560 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3561 variables that cannot have TBAA applied.
3562 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3563 statements.
3565 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3567 PR middle-end/38969
3568 * calls.c (initialize_argument_information): Do not wrap complex
3569 arguments in SAVE_EXPR.
3571 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3573 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3574 (INSTALL_LIBGCC): Revert typo commit.
3576 2009-01-26 Richard Guenther <rguenther@suse.de>
3578 PR tree-optimization/38745
3579 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3580 from special handling.
3582 2009-01-26 Richard Guenther <rguenther@suse.de>
3584 PR tree-optimization/38745
3585 * tree-ssa.c (execute_update_addresses_taken): Do not include
3586 variables that cannot possibly be a register in not_reg_needs.
3587 Do not clear TREE_ADDRESSABLE on vars that may not become
3588 registers.
3589 * tree-ssa.c (update_alias_info_1): Include those in the set
3590 of addressable vars.
3592 2009-01-26 Richard Guenther <rguenther@suse.de>
3594 PR middle-end/38851
3595 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3596 * tree-ssa-dse.c: Include langhooks.h
3597 (execute_simple_dse): Remove stores with zero size.
3599 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3601 PR c/38957
3602 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3603 as PLUS_EXPR.
3605 2009-01-24 Julian Brown <julian@codesourcery.com>
3607 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3608 config/arm/linux-atomic.c.
3609 * config/arm/linux-atomic.c: New.
3611 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3613 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3614 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3615 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3617 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3619 PR c/38938
3620 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3621 properly.
3623 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3625 PR tree-optimization/38953
3626 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3627 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3628 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3629 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3630 changed the CFG.
3632 2009-01-24 Paul Brook <paul@codesourcery.com>
3634 * config/arm/neon.md (neon_type): Move to arm.md.
3635 (neon_mov<VSTRUCT>): Add neon_type attribute.
3636 * config/arm/arm.md (neon_type): Move to here.
3637 (conds): Add "unconditioal" and use as default for NEON insns.
3639 2009-01-24 Ben Elliston <bje@au.ibm.com>
3641 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3642 void *' warning from -Wc++-compat.
3643 * Makefile.in (dominance.o-warn): Remove.
3645 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3647 PR tree-optimization/38932
3648 * fold-const.c (fold_unary_ignore_overflow): New.
3649 * tree.h (fold_unary_ignore_overflow): Declare.
3650 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3651 * tree-ssa-sccvn.c (visit_reference_op_load,
3652 simplify_unary_expression): Likewise.
3654 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3656 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3657 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3658 regardless of their type.
3659 * c-common.c (handle_packed_attribute): Don't ignore packed on
3660 bitfields.
3661 * c.opt (Wpacked-bitfield-compat): New warning option.
3662 * stor-layout.c (place_field): Warn if offset of a field changed.
3663 * doc/extend.texi (packed): Mention the ABI change.
3664 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3665 (Warning Options): Add it to the list.
3667 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3669 * c-opts.c (c_common_post_options): Fix a typo in comments.
3671 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3673 PR middle-end/38615
3674 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3675 variables to static.
3676 * doc/invoke.texi (-fmerge-all-constants): Update description.
3678 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3680 PR target/38931
3681 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3682 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3684 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3686 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3687 a word boundary.
3688 (LOCAL_ALIGNMENT): Similarly.
3690 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3691 Joseph Myers <joseph@codesourcery.com>
3693 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3694 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3695 * config/arm/arm-tune.md: Regenerate.
3696 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3697 -march=iwmmxt2.
3699 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3701 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3702 version number to five.
3704 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3706 PR c++/38930
3707 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3708 * c-common.c (set_underlying_type): Likewise.
3709 (is_typedef_decl ): Likewise
3710 * tree.h: Likewise
3711 (set_underlying_type): Likewise.
3712 (is_typedef_type): Likewise.
3714 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3716 PR middle-end/38587
3717 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3718 crossing setjmps.
3720 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3722 PR bootstrap/37660
3723 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3724 (LIBGCC_SPEC): Don't define.
3725 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3727 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3729 PR rtl-optimization/38879
3730 * alias.c (base_alias_check): Unaligned access via AND address can
3731 alias all surrounding object types except those with sizes equal
3732 or wider than the size of unaligned access.
3734 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3736 PR c++/26693
3737 * c-decl.c (clone_underlying_type): Move this ...
3738 * c-common.c (set_underlying_type): ... here.
3739 Also, make sure the function properly sets TYPE_STUB_DECL() on
3740 the newly created typedef variant type.
3741 (is_typedef_decl ): New entry point.
3742 * tree.h: Added a new member member_types_needing_access_check to
3743 struct tree_decl_non_common.
3744 (set_underlying_type): New entry point.
3745 (is_typedef_type): Likewise.
3747 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3749 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3750 Check whether two instructions have memory references that
3751 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3752 are helper functions for traversing.
3753 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3754 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3755 not to draw dependency edge for instructions with non-conflicting
3756 alias sets.
3758 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3760 PR other/38758
3761 * longlong.h: Update copyright years. Use soft-fp license notice.
3762 Sync __clz_tab declaration with glibc.
3764 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3766 PR target/30687
3767 * doc/extend.texi (syscall_linkage): New.
3768 (version_id): Modify.
3770 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3771 Richard Guenther <rguenther@suse.de>
3773 PR tree-optimization/38747
3774 PR tree-optimization/38748
3775 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3776 conversion if the base address is an indirect reference and the
3777 aliasing sets could cause issues.
3779 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3781 * common.opt (fgraphite, fgraphite-identity): Add comment for
3782 explaining why these options are not documented.
3784 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3786 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3787 gimple_call_lhs is NULL.
3789 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3791 PR target/38868
3792 * emit-rtl.c (adjust_address_1): Make sure memref is never
3793 overwritten.
3795 2009-01-20 Ben Elliston <bje@au.ibm.com>
3797 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3798 const qualifier from arg parameter. Remove unnecessary cast to char *.
3799 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3800 const qualifier from arg 2.
3802 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3804 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3806 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3808 PR c/38869
3809 * rtl.h (reinit_regs): New prototype.
3810 * regclass.c: Include ira.h.
3811 (reinit_regs): New.
3812 * Makefile.in (regclass.o): Add ira.h.
3813 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3815 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3817 PR target/38736
3818 * c-common.c (handle_aligned_attribute): Use
3819 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3820 default alignment value.
3822 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3824 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3825 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3827 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3828 __BIGGEST_ALIGNMENT__.
3830 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3832 2009-01-18 Richard Guenther <rguenther@suse.de>
3834 PR tree-optimization/38819
3835 * tree-flow.h (operation_could_trap_helper_p): Declare.
3836 * tree-eh.c (operation_could_trap_helper_p): Export.
3837 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3838 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3839 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3840 are about to insert a possibly trapping instruction and fail
3841 in this case.
3843 2009-01-18 Andreas Schwab <schwab@suse.de>
3845 * doc/install.texi (Configuration): Remove obsolete paragraph
3846 about use of --with-gnu-ld with --with-gnu-as.
3848 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3850 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3851 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3852 Follow spelling conventions.
3854 2009-01-18 Ben Elliston <bje@au.ibm.com>
3856 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3857 C++ warning about implicit conversion from void * to struct
3858 bitmap_head_def *.
3859 (bitmap_obstack_free): Likewise for bitmap_element *.
3860 * Makefile.in (bitmap.o-warn): Remove.
3862 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3864 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3866 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3867 Tobias Grosser <tobi.grosser@amd.com>
3869 * graphite.c (graphite_trans_scop_block): Do not block single
3870 nested loops.
3872 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3874 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3875 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3876 test with assertion.
3878 2009-01-16 Richard Guenther <rguenther@suse.de>
3880 PR tree-optimization/38835
3881 PR middle-end/36227
3882 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3883 and INT + PTR -> (INT)(PTR p+ INT) folding.
3884 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3886 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3888 PR target/38554
3889 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3890 the subreg from a lowpart subreg if it is also casting the value.
3892 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3893 Tobias Grosser <tobi.grosser@amd.com>
3895 * graphite.c (compare_prefix_loops): New.
3896 (build_scop_canonical_schedules): Rewritten.
3897 (graphite_transform_loops): Move build_scop_canonical_schedules
3898 after build_scop_iteration_domain.
3900 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3901 Tobias Grosser <tobi.grosser@amd.com>
3903 * graphite.c (add_conditions_to_domain): Add the loops to
3904 the dimension of the iteration domain. Do copy the domain
3905 only when it exists.
3906 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3907 (add_conditions_to_constraints): New.
3908 (can_generate_code_stmt, can_generate_code): Removed.
3909 (gloog): Do not call can_generate_code.
3910 (graphite_transform_loops): Call add_conditions_to_constraints
3911 after building the iteration domain.
3913 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3915 PR tree-optimization/38789
3916 * tree-ssa-threadedge.c
3917 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3918 __builtin_constant_p.
3920 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3922 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3923 examined before deleting them.
3925 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3927 * function.c (aggregate_value_p): Correctly extract the function
3928 type from CALL_EXPR_FN lookup.
3930 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3932 * config/picochip/picochip.c (picochip_override_options): Revert
3933 CFI asm flag disable commited previously.
3935 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3936 Tobias Grosser <tobi.grosser@amd.com>
3937 Jan Sjodin <jan.sjodin@amd.com>
3939 * graphite.c (scan_tree_for_params): On substractions negate
3940 all the coefficients of the term.
3941 (clast_to_gcc_expression_red): New. Handle reduction expressions
3942 of more than two operands.
3943 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3944 (get_vdef_before_scop): Handle also the case of default definitions.
3946 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3948 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3949 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3950 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3952 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3953 Joey Ye <joey.ye@intel.com>
3955 PR middle-end/37843
3956 * cfgexpand.c (expand_stack_alignment): Don't update stack
3957 boundary nor check incoming stack boundary here.
3958 (gimple_expand_cfg): Update stack boundary and check incoming
3959 stack boundary here.
3961 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3963 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3965 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3967 PR rtl-optimization/38245
3968 * calls.c (expand_call): Add stack arguments to
3969 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3970 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3971 in regs and partially in memory or BLKmode arguments.
3972 (emit_library_call_value_1): Add stack arguments to
3973 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3974 ACCUMULATE_OUTGOING_ARGS).
3975 * dce.c: Include tm_p.h.
3976 (find_call_stack_args): New function.
3977 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3978 argument.
3979 (mark_insn): Call find_call_stack_args for CALL_Ps.
3980 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3981 forwards. Allocate and free arg_stores bitmap if needed, pass it
3982 down to deletable_insn_p, don't mark stores set in arg_stores
3983 bitmap, clear the bitmap at the beginning of each bb.
3984 * Makefile.in (dce.o): Depend on $(TM_P_H).
3986 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3988 PR target/22599
3989 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3990 to make sure the insn is a conditional test (bug 22599). Reformat a
3991 few long lines.
3993 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3995 PR middle-end/38431
3996 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3997 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3998 (gloog): Do not call cleanup_tree_cfg.
3999 (graphite_transform_loops): Call cleanup_tree_cfg after all
4000 scops have been code generated.
4002 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
4003 * doc/gty.texi (Invoking the garbage collector): Added new node
4004 and section documenting ggc_collect.
4006 2009-01-14 Richard Guenther <rguenther@suse.de>
4008 PR tree-optimization/38826
4009 PR middle-end/38477
4010 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
4011 initialization notes only if we actually emitted a warning.
4012 (intra_create_variable_infos): Add constraints for a result decl
4013 that is passed by hidden reference.
4014 (build_pred_graph): Mark all related variables non-direct on
4015 address-taking.
4017 2009-01-14 Nick Clifton <nickc@redhat.com>
4019 * ira-conflicts.c: Include addresses.h for the definition of
4020 base_reg_class.
4021 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
4022 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
4024 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
4026 PR target/38811
4027 * Makefile.in (ira-lives.o): Add except.h.
4029 * ira-lives.c: Include except.h.
4030 (process_bb_node_lives): Process can_throw_internal.
4032 2009-01-13 Jakub Jelinek <jakub@redhat.com>
4034 PR rtl-optimization/38774
4035 * combine.c (simplify_set): When undoing cc_use change, don't do
4036 PUT_CODE on the newly created comparison, but instead put back the
4037 old comparison.
4039 2009-01-13 Joseph Myers <joseph@codesourcery.com>
4041 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4042 values. Remove duplicate arm8 entry.
4044 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4046 PR tree-optimization/38786
4047 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4048 the SSA_NAME case of expand_scalar_variables_expr.
4049 Set the type of an expression to the type of its assign statement.
4050 (expand_scalar_variables_expr): Also gather the scalar computation
4051 used to index the memory access. Do not pass loop_p.
4052 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4053 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4054 the gimple_stmt_iterator where it inserts new code.
4055 Do not pass loop_p.
4056 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4057 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4059 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4061 * graphite.h (debug_value): Removed.
4062 * graphite.c (debug_value): Removed.
4064 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4066 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4067 ldrd/strd with two 32-bit instructions.
4069 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4071 * config/arm/arm.c (struct processors): Pass for speed down into
4072 cost helper functions.
4073 (const_ok_for_op): Handle COMPARE and inequality nodes.
4074 (arm_rtx_costs_1): Rewrite.
4075 (arm_size_rtx_costs): Update prototype.
4076 (arm_rtx_costs): Pass speed down to helper functions.
4077 (arm_slowmul_rtx_costs): Rework cost calculations.
4078 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4079 (arm_9e_rtx_costs): Likewise.
4081 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4083 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4084 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4085 (alpha_legitimize_address): Do not split local symbols wider than
4086 UNITS_PER_WORD into HIGH/LO_SUM parts.
4088 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4090 PR bootstrap/38580
4091 * gcc.c (process_command): Replace call to execvp with calls
4092 to pex_one and exit.
4094 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4096 PR target/29141
4097 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4098 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4099 variant for devices with 3-byte PC.
4100 (__tablejump_elpm__): New.
4102 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4104 PR c/32041
4105 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4106 offsetof member-designator, handle it as `[0].'.
4108 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4110 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4111 function when not using named sections on targets with named sections
4112 if branch distance is less than 262132.
4114 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4116 * combine.c (combine_instructions): Recompute
4117 optimize_this_for_speed_p for each BB in the main combine loop.
4119 2009-01-12 Tomas Bily <tbily@suse.cz>
4121 PR middlend/38385
4122 * tree-loop-distribution.c (prop_phis): New function.
4123 (generate_builtin): Call prop_phis.
4124 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4126 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4128 PR tree-optimization/38807
4129 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4130 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4132 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4134 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4135 subreg of op0 to the original op0.
4137 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4139 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4141 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4143 PR debug/7055
4144 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4145 starting with digits.
4147 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4149 PR target/38695
4150 * config/arm/arm.c (arm_is_long_call_p): Don't call
4151 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4153 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4155 * regrename.c (regrename_optimize): Fix dumping.
4156 (find_oldest_value_reg): Preserve REG_POINTER.
4157 (copy_hardreg_forward_1): Likewise.
4159 2009-01-09 Diego Novillo <dnovillo@google.com>
4161 * gimple.h (struct gimple_statement_base) <uid>: Document
4162 the restrictions on its use.
4163 (gimple_uid): Tidy.
4164 (gimple_set_uid): Tidy.
4166 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4168 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4169 zero guard even if align_bytes != 0 and count is smaller than
4170 size_needed.
4172 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4174 PR rtl-optimization/38495
4175 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4176 (add_range_and_copies_from_move_list): Print all added ranges.
4177 Add ranges to memory optimized destination.
4179 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4181 PR target/38686
4182 PR target/38708
4183 * config/i386/i386.c (override_options): Reject
4184 -mstringop-strategy=rep_8byte with -m32.
4185 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4186 to 1. Do count comparison against epilogue_size_needed at compile
4187 time even when count_exp was constant forced into register. For
4188 size_needed don't jump to epilogue, instead just avoid aligning
4189 and invoke the body algorithm. If need_zero_guard, add zero guard
4190 even if count is non-zero, but smaller than size_needed + number of
4191 bytes that could be stored for alignment.
4192 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4193 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4194 but smaller than size_needed + number of bytes that could be stored
4195 for alignment. Compare size_needed with epilogue_size_needed instead
4196 of desired_align - align, don't adjust size_needed, pass
4197 epilogue_size_needed to the epilogue expanders.
4199 PR c/35742
4200 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4202 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4204 * pa.c (last_address): Change to unsigned.
4205 (update_total_code_bytes): Change argument to unsigned. Don't
4206 check if insn addresses are set.
4207 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4208 addresses are not set.
4209 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4211 2009-01-09 Nick Clifton <nickc@redhat.com>
4213 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4214 DECL_DECLARED_INLINE_P.
4216 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4218 PR middle-end/38347
4219 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4220 GET_MODE (op0) in operand_subword_force calls.
4222 PR middle-end/38771
4223 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4224 fold_convert arg0 operands to TREE_TYPE (op0) first.
4226 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4228 * params.def (ira-max-conflict-table-size): Decrease default value
4229 to 1000.
4231 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4233 PR tree-optimization/37031
4234 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4235 on parameter_set.
4236 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4237 allocate it using gc instead of heap, use VEC_quick_push instead of
4238 VEC_safe_push.
4239 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4240 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4241 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4242 allocated vector from heap allocated.
4243 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4244 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4245 vector only after perfect_loop_nest_depth call.
4247 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4248 Jan Sjodin <jan.sjodin@amd.com>
4250 PR tree-optimization/38559
4251 * graphite.c (debug_value, copy_constraint,
4252 swap_constraint_variables, scale_constraint_variable, ): New.
4253 (get_lower_bound, get_upper_bound): Removed.
4254 (graphite_trans_bb_strip_mine): Clean up this code that works
4255 only for constant number of iterations. Fully copy upper and
4256 lower bound constraints, not only the constant part of them.
4257 * graphite.h (debug_value): Declared.
4259 2009-01-08 Ira Rosen <irar@il.ibm.com>
4261 PR tree-optimization/37194
4262 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4263 Don't add the cost of cost model guard in prologue to scalar
4264 outside cost in case of known number of iterations.
4266 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4267 Alan Modra <amodra@bigpond.net.au>
4269 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4270 non-word-aligned REG+CONST addressing.
4272 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4274 PR target/38706
4275 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4276 free_after_compilation when outputting a thunk.
4277 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4278 Do not call free_after_compilation here.
4280 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4282 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4283 (ix86_valid_target_attribute_inner_p): Ditto.
4285 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4287 PR tree-optimization/38492
4288 PR tree-optimization/38498
4289 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4290 * tree-chrec.h (scev_is_linear_expression): Declared.
4291 * graphite.c (graphite_cannot_represent_loop_niter): New.
4292 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4293 (graphite_loop_normal_form): Use gcc_assert.
4294 (scan_tree_for_params): Use CASE_CONVERT.
4295 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4296 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4297 Use gcc_assert. Discard scops that contain unhandled cases.
4298 (build_scop_conditions): Return a boolean status for unhandled cases.
4299 (strip_mine_profitable_p): Print the loop number, not its depth.
4300 (is_interchange_valid): Pass the depth of the loop nest, don't
4301 recompute it wrongly.
4302 (graphite_trans_bb_block): Same.
4303 (graphite_trans_bb_block): Print tentative of loop blocking.
4304 (graphite_trans_scop_block): Do not print that the loop has been
4305 blocked.
4306 (graphite_transform_loops): Do not handle scops that contain condition
4307 scalar phi nodes.
4309 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4311 AVX Programming Reference (December, 2008)
4312 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4313 (_mm256_stream_pd): Likewise.
4314 (_mm256_stream_ps): Likewise.
4316 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4317 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4318 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4319 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4320 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4321 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4322 (ix86_expand_special_args_builtin): Likewise.
4324 * config/i386/sse.md (AVXMODEDI): New.
4325 (avx_movnt<mode>): Likewise.
4326 (avx_movnt<mode>): Likewise.
4327 (<sse>_movnt<mode>): Remove AVX support.
4328 (sse2_movntv2di): Likewise.
4330 2009-01-07 Richard Guenther <rguenther@suse.de>
4332 PR middle-end/38751
4333 * fold-const.c (extract_muldiv): Remove obsolete comment.
4334 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4335 to PLUS_EXPR canonicalization for the canonicalization.
4337 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4339 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4340 hosted cross-compilers generating less efficient code.
4342 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4344 * function.h (rtl_data): Add a dbr_scheduled_p field.
4345 * reorg.c (dbr_schedule): Set it.
4346 (gate_handle_delay_slots): Check it.
4347 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4348 (mips_reorg): Check flag_delayed_branch instead of
4349 mips_base_delayed_branch.
4350 (mips_override_options): Don't set mips_base_delayed_branch
4351 or flag_delayed_branch.
4353 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4355 PR rtl-optimization/38426.
4356 * ira.c (ira): Set current_function_is_leaf earlier.
4358 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4360 PR rtl-optimization/38722
4361 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4362 too early, only set a flag and modify after last possible
4363 undo_all point.
4365 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4367 PR c/34252
4368 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4369 * real.c (decimal_single_format): Correct values of emin and emax.
4370 (decimal_double_format): Ditto.
4371 (decimal_quad_format): Ditto.
4372 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4373 computation of DECnn_MIN and DECnn_MAX for corrected values of
4374 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4375 __DECnn_MIN__, and adjust its computation for the corrected value
4376 of emin.
4378 2009-01-06 Jan Hubicka <jh@suse.cz>
4380 PR target/38744
4381 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4383 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4385 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4386 Add Robert Clark to the list of testers.
4388 2009-01-06 Jan Hubicka <jh@suse.cz>
4389 Kai Tietz <kai.tietz@onevision.com>
4391 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4392 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4394 2009-01-06 Jan Hubicka <jh@suse.cz>
4395 Kai Tietz <kai.tietz@onevision.com>
4397 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4398 for w64 ABI.
4399 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4400 (ix86_nsaved_regs): Count only general purpose regs.
4401 (ix86_nsaved_sseregs): New.
4402 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4403 to 16 for w64; compute padding and size of sse reg save area.
4404 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4405 general purpose regs.
4406 (ix86_emit_save_sse_regs_using_mov): New.
4407 (ix86_expand_prologue): Save SSE regs if needed.
4408 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4409 (ix86_emit_restore_sse_regs_using_mov): New.
4410 (ix86_expand_epilogue): Save SSE regs if needed.
4412 2009-01-06 Jan Hubicka <jh@suse.cz>
4413 Kai Tietz <kai.tietz@onevision.com>
4415 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4416 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4417 functions when accumulate outgoing args is off.
4419 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4421 PR bootstrap/38742
4422 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4423 before using pseudos_have_intersected_live_ranges_p.
4425 * ira-int.h (ira_assert): Always define.
4427 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4429 AVX Programming Reference (December, 2008)
4430 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4431 (_mm256_permute2_pd): Likewise.
4432 (_mm_permute2_ps): Likewise.
4433 (_mm256_permute2_ps): Likewise.
4434 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4435 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4437 * config/i386/i386.c (ix86_builtins): Remove
4438 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4439 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4440 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4441 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4442 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4443 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4444 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4445 __builtin_ia32_vpermil2ps256.
4446 (ix86_init_mmx_sse_builtins): Updated.
4447 (ix86_expand_args_builtin): Likewise.
4449 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4451 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4452 long absolute calls when generating PA 2.0 code.
4454 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4456 PR rtl-optimization/38583
4457 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4459 * params.def (ira-max-conflict-table-size): New.
4461 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4463 * ira.h (ira_conflicts_p): New external definition.
4465 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4466 table. Report this. Return result of building.
4467 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4468 building conflict table.
4470 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4471 (ira_color): Use ira_conflicts_p.
4473 * global.c: Include ira.h.
4474 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4475 ira_conflicts_p.
4477 * Makefile.in (global.o): Add ira.h.
4479 * ira-build.c (mark_all_loops_for_removal,
4480 propagate_some_info_from_allocno): New.
4481 (remove_unnecessary_allocnos): Call
4482 propagate_some_info_from_allocno.
4483 (remove_low_level_allocnos): New.
4484 (remove_unnecessary_regions): Add parameter. Call
4485 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4486 parameter to remove_unnecessary_regions.
4487 (ira_build): Remove all regions but root if the conflict table was
4488 not built. Update conflict hard regs for allocnos crossing calls.
4490 * ira.c (ira_conflicts_p): New global.
4491 (ira): Define and use ira_conflicts_p.
4493 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4494 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4495 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4497 2009-01-06 Ben Elliston <bje@au.ibm.com>
4499 * gengtype-lex.l (YY_NO_INPUT): Define.
4501 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4503 PR c/34911
4504 * c-common.c (handle_vector_size_attribute): Also reject
4505 BOOLEAN_TYPE types.
4507 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4509 PR tree-optimization/38492
4510 * graphite.c (rename_map_elt, debug_rename_elt,
4511 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4512 rename_map_elt_info, eq_rename_map_elts,
4513 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4514 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4515 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4516 (sese_build_livein_liveouts): New.
4517 (new_sese, free_sese): New.
4518 (new_scop): Call new_sese.
4519 (free_scop): Call free_sese.
4520 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4521 (register_old_new_names): Renamed register_old_and_new_names.
4522 (register_scop_liveout_renames, add_loop_exit_phis,
4523 insert_loop_close_phis, struct igp,
4524 default_liveout_before_guard, add_guard_exit_phis,
4525 insert_guard_phis, copy_renames): New.
4526 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4527 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4528 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4529 (scop_adjust_phis_for_liveouts): New.
4530 (gloog): Call scop_adjust_phis_for_liveouts.
4532 * graphite.h (struct sese): Documented. Added fields liveout,
4533 num_ver and livein.
4534 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4535 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4536 (struct scop): Added field liveout_renames.
4537 (SCOP_LIVEOUT_RENAMES): New.
4539 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4541 PR tree-optimization/38510
4542 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4543 (translate_clast): Call recompute_all_dominators before
4544 graphite_verify.
4545 (gloog): Call recompute_all_dominators before graphite_verify.
4547 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4548 Jan Sjodin <jan.sjodin@amd.com>
4550 PR tree-optimization/38500
4551 * graphite.c (create_sese_edges): Call fix_loop_structure after
4552 splitting blocks.
4554 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4556 * config.gcc: Add m32r*-*-rtems*.
4557 * config/m32r/rtems.h: New file.
4559 2009-01-05 Ben Elliston <bje@au.ibm.com>
4561 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4562 (.po.pox): Likewise.
4563 (po/gcc.pot): Likewise.
4565 2009-01-04 David S. Miller <davem@davemloft.net>
4567 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4568 (STARTING_FRAME_OFFSET): Always set to zero.
4570 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4572 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4573 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4574 fixed-point types, and vectors of the same.
4576 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4578 * config/mips/sync.md (*mb_barrier): Rename to...
4579 (*memory_barrier): ...this.
4581 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4583 * doc/extend.texi (Function Attributes): Move @cindex after @item
4584 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4585 and put in alphabetical order. Fix 'target' name and put in order.
4586 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4587 typos.
4589 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4591 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4592 (memory_barrier): Expand as unspec instead of unspec_volatile.
4593 Remove mem:BLK from insn operands. Use Pmode scratch register.
4594 (*memory_barrier): Define as unspec instead of unspec_volatile.
4595 Use (match_dup 0) as input operand.
4597 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4598 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4599 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4600 scratch register. Remove operand 1.
4601 (*stbar): Define as unspec instead of unspec_volatile.
4602 Use (match_dup 0) as input operand, remove (const_int 8).
4603 (*membar): Define as unspec instead of unspec_volatile.
4604 Use (match_dup 0) as input operand, remove input operand 2.
4606 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4607 (memory_barrier): Expand as unspec instead of unspec_volatile.
4608 Remove mem:BLK from insn operands. Use Pmode scratch register.
4609 (*memory_barrier): Define as unspec instead of unspec_volatile.
4610 Use (match_dup 0) as input operand.
4612 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4613 Remove mem:BLK from insn operands. Use Pmode scratch register.
4614 Set volatile flag on operand 0.
4615 (*memory_barrier): New insn pattern.
4617 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4618 insn operands.
4619 (*memory_barrier): Use (match_dup 0) as input operand.
4621 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4622 Remove mem:BLK from insn operands. Use Pmode scratch register.
4623 Set volatile flag on operand 0.
4624 (*mb_internal): New insn pattern.
4626 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4628 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4630 PR middle-end/38586
4631 * function.c (struct temp_slot): Move to the section of the file
4632 that deals with temp slots. Remove field 'address'.
4633 (temp_slot_address_table): New hash table of address -> temp slot.
4634 (struct temp_slot_address_entry): New struct, items for the table.
4635 (temp_slot_address_compute_hash, temp_slot_address_hash,
4636 temp_slot_address_eq, insert_temp_slot_address): Support functions
4637 for the new table.
4638 (find_temp_slot_from_address): Rewrite to use the new hash table.
4639 (remove_unused_temp_slot_addresses): Remove addresses of temp
4640 slots that have been made available.
4641 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4642 worker function for remove_unused_temp_slot_addresses.
4643 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4644 Add the temp slot address to the address -> temp slot map.
4645 (update_temp_slot_address): Update via insert_temp_slot_address.
4646 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4647 (pop_temp_slots): Likewise.
4648 (init_temp_slots): Allocate the address -> temp slot map, or empty
4649 the map if it is already allocated.
4650 (prepare_function_start): Initialize temp slot processing.
4652 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4654 PR middle-end/38584
4655 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4656 Calculate the size of all stack vars assuming no packing of stack
4657 vars will happen, replacing a quadratic algorithm with a linear one.
4659 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4661 PR target/38707
4662 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4663 can't be used.
4665 2009-01-03 Diego Novillo <dnovillo@google.com>
4667 * doc/contrib.texi: Update contributions.
4669 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4671 PR c++/38705
4672 * builtins.c (fold_builtin_memory_op): Give up if either operand
4673 is volatile. Set srctype or desttype to non-qualified version
4674 of the other type.
4676 PR c/38700
4677 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4678 and FUNCTION_DECLs.
4680 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4682 PR rtl-optimization/35805
4683 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4684 problem if fast dce is able to remove any instructions.
4685 * dce.c (dce_process_block): Fix dump message.
4687 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4689 PR 33649
4690 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4692 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4694 PR middle-end/38690
4695 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4696 * tree-pretty-print.c (op_code_prio): New function.
4697 (op_prio): No longer static. Use op_code_prio.
4698 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4699 Use op_prio and op_code_prio to determine if () should be
4700 printed around operand(s) or not.
4702 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4703 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4704 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4705 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4706 pp_character instead of pp_string for single letter printing.
4708 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4710 * doc/extend.texi: Fix '#pragma GCC option' typo.
4712 2009-01-02 Richard Guenther <rguenther@suse.de>
4714 * doc/install.texi (--enable-checking): Mention different
4715 default for stage1.
4716 (--enable-stage1-checking): Document.
4718 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4720 PR middle-end/30142
4721 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4722 case to be an error.
4724 2009-01-02 Ben Elliston <bje@au.ibm.com>
4726 * config/fp-bit.h (pack_d): Constify argument.
4727 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4728 (isnan): Constify argument.
4729 (isinf): Likewise.
4730 (iszero): Likewise.
4731 (pack_d): Likewise.
4732 (_fpadd_parts): Constify return type.
4733 (_fpmul_parts): Likewise.
4734 (_fpdiv_parts): Likewise.
4736 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4738 PR c/36489
4739 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4740 warn about overwriting initializer with side-effects or
4741 -Woverride-init if !IMPLICIT.
4742 (output_init_element): Likewise. Pass IMPLICIT down to
4743 add_pending_init.
4744 (process_init_element): Add IMPLICIT argument. Pass it down
4745 to output_init_element.
4746 (push_init_element, pop_init_level, set_designator): Adjust
4747 process_init_element callers.
4748 (set_nonincremental_init, set_nonincremental_init_from_string):
4749 Adjust add_pending_init callers.
4750 (output_pending_init_elements): Adjust output_init_element callers.
4751 * c-tree.h (process_init_element): Adjust prototype.
4752 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4753 process_init_element callers.