| blob | 6f955ff9d4139adcd3df38155681259f0e9d3189 |
1 2009-03-31 Joseph Myers <joseph@codesourcery.com>
3 * c-common.c (c_get_ident): New.
4 (c_common_nodes_and_builtins): Call it for type names that may be
5 NULL.
7 2009-04-01 Ben Elliston <bje@au.ibm.com>
9 * config/rs6000/sysv4.opt (msdata): Improve option description.
11 2009-03-31 Steve Ellcey <sje@cup.hp.com>
13 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
14 (divdf3_internal_lat): Remove.
15 (divxf3_internal_lat): Remove.
16 (divxf3_internal_thr): Remove.
17 (divxf): Use divxf3_internal.
18 * config/ia64/div.md (divsf3_internal_lat): New.
19 (divdf3_internal_lat): New.
20 (divxf3_internal): New.
22 2009-03-31 Joseph Myers <joseph@codesourcery.com>
24 PR c/448
25 * Makefile.in (USE_GCC_STDINT): Define.
26 (stmp-int-hdrs): Install stdint.h if applicable.
27 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
28 if known.
29 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
30 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
31 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
32 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
33 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
34 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
35 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
36 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
37 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
38 (c_common_nodes_and_builtins): Initialize
39 underlying_wchar_type_node. Do not initialize
40 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
41 nodes for new types.
42 (c_stddef_cpp_builtins): Define macros for new types.
43 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
44 Remove.
45 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
46 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
47 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
48 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
49 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
50 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
51 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
52 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
53 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
54 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
55 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
56 int16_type_node, int32_type_node, int64_type_node,
57 uint8_type_node, uint16_type_node, c_uint32_type_node,
58 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
59 int_least32_type_node, int_least64_type_node,
60 uint_least8_type_node, uint_least16_type_node,
61 uint_least32_type_node, uint_least64_type_node,
62 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
63 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
64 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
65 uintptr_type_node): Define.
66 * c-cppbuiltin.c (builtin_define_constants,
67 builtin_define_type_minmax): New.
68 (builtin_define_stdint_macros): Define more macros.
69 (c_cpp_builtins): Define more limit macros.
70 (type_suffix): New.
71 (builtin_define_type_max): Define in terms of
72 builtin_define_type_minmax. Remove is_long parameter. All
73 callers changed.
74 * config.gcc (use_gcc_stdint): Define.
75 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
76 Add newlib-stdint.h for generic targets.
77 * config/glibc-stdint.h, config/newlib-stdint.h,
78 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
79 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
80 * config/score/score.h (UINTPTR_TYPE): Define.
81 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
82 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
83 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
84 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
85 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
86 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
87 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
88 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
89 * config/spu/spu.h (STDINT_LONG32): Define.
90 * configure.ac (use_gcc_stdint): Substitute.
91 * configure: Regenerate.
92 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
93 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
94 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
95 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
96 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
97 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
98 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
99 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
100 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
101 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
102 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
103 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
104 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
105 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
106 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
107 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
108 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
109 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
110 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
111 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
112 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
113 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
114 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
115 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
116 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
117 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
118 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
119 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
120 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
122 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
124 * loop-iv.c (suitable_set_for_replacement): Renamed from
125 simplify_using_assignment; changed to return bool and to accept new
126 args DEST and SRC. Return true iff we find a source/destination pair
127 that can be used to make a replacement, and fill SRC and DEST if so.
128 Remove arg ALTERED. Don't deal with altered regs here. All callers
129 changed.
130 (simplify_using_initial_values): Deal with altered regs here and track
131 more precisely the effect they have on the validity of our expression.
133 * loop-iv.c (simplify_using_condition): A condition of the form
134 (EQ REG CONST) can be used to simply make a substitution.
135 (simplify_using_initial_values): Keep track of conditions we have seen
136 and keep using them to simplify new expressions, while applying the
137 same substitutions to them as to the expression.
139 * simplify-rtx.c (simplify_relational_operation_1): Simplify
140 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
141 GEU/LTU reversed.
143 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
144 changed. Use this when trying to improve the upper bound.
145 Generate the comparison by using simplify_gen_relational.
147 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
149 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
150 functions.
151 (simplify_using_assignment, simplify_using_initial_values): Call
152 replace_in_expr to make replacements. Call replace_single_def_regs
153 once on the initial version of the expression.
155 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
157 PR target/27237
158 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
160 2009-03-31 Richard Guenther <rguenther@suse.de>
162 PR middle-end/31029
163 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
164 equality comparisons. Fold C - X CMP X if C % 2 == 1.
166 2009-03-31 Richard Guenther <rguenther@suse.de>
168 * tree.h (div_if_zero_remainder): Declare.
169 * fold-const.c (div_if_zero_remainder): Export.
170 * tree-ssa-forwprop.c
171 (forward_propagate_addr_into_variable_array_index): Handle
172 constant array index addition outside of the variable index.
174 2009-03-31 Joseph Myers <joseph@codesourcery.com>
176 PR target/39592
177 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
178 define_splits, floatunssi<mode>2): Require x87 conversions from
179 DImode to be permitted.
181 2009-03-31 Joseph Myers <joseph@codesourcery.com>
183 PR preprocessor/15638
184 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
186 2009-03-31 Richard Guenther <rguenther@suse.de>
188 PR middle-end/23401
189 PR middle-end/27810
190 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
191 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
192 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
193 a separate statement.
194 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
195 (lookup_tmp_var): Likewise.
196 (is_gimple_formal_tmp_or_call_rhs): Remove.
197 (is_gimple_reg_or_call_rhs): Rename to ...
198 (is_gimple_reg_rhs_or_call): ... this.
199 (is_gimple_mem_or_call_rhs): Rename to ...
200 (is_gimple_mem_rhs_or_call): ... this.
201 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
202 DECL_GIMPLE_REG_P only if is_formal is true.
203 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
204 for non-proper post-modify expression gimplification.
205 (gimplify_self_mod_expr): For post-modify expressions gimplify
206 the lvalue to a minimal lvalue.
207 (rhs_predicate_for): Remove formal temp case.
208 (gimplify_modify_expr_rhs): Likewise.
209 (gimplify_addr_expr): Use is_gimple_reg.
210 (gimplify_expr): Remove formal temp cases.
211 (gimple_regimplify_operands): Likewise.
212 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
213 and FILTER_EXPR like constants.
214 * gimple.c (walk_gimple_op): Fix val_only initialization, use
215 is_gimple_reg.
216 (is_gimple_formal_tmp_rhs): Remove.
217 (is_gimple_reg_rhs): Remove special casing.
218 (is_gimple_mem_rhs): Fix.
219 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
220 (is_gimple_formal_tmp_var): Remove.
221 (is_gimple_formal_tmp_reg): Likewise.
222 (is_gimple_min_lval): Allow invariant component ref parts.
223 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
224 is_gimple_formal_tmp_reg): Remove declarations.
225 * tree-cfg.c (verify_expr): Verify that variables with address
226 taken do not have DECL_GIMPLE_REG_P set.
227 * tree-mudflap.c (mf_build_check_statement_for): Use
228 force_gimple_operand instead of gimplify_expr.
230 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
232 * modulo-sched.c (sms_schedule_by_order): Pass the actual
233 schedulable rows to compute_split_row.
235 2009-03-31 Ben Elliston <bje@au.ibm.com>
237 PR target/31635
238 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
239 OPT_mvrsave.
241 2009-03-31 Alan Modra <amodra@bigpond.net.au>
243 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
244 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
245 * configure: Regenerate.
246 * config.in: Regenerate.
247 * config/rs6000/rs6000.opt (mtls-markers): Add.
248 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
249 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
250 (tls_ld_aix, tls_ld_sysv): Likewise.
251 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
252 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
254 2009-03-31 Alan Modra <amodra@bigpond.net.au>
256 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
258 2009-03-30 Jan Hubicka <jh@suse.cz>
260 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
261 out of RESX.
262 (tree_remove_unreachable_handlers): Cleanup EH predecestor
263 detection and label handling.
265 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
267 * ira-int.h (ira_allocno): Rename left_conflicts_num to
268 left_conflicts_size.
269 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
270 ALLOCNO_LEFT_CONFLICTS_SIZE.
272 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
273 remove_allocno_from_bucket_and_push,
274 allocno_spill_priority_compare, push_allocnos_to_stack,
275 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
276 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
277 (setup_allocno_left_conflicts_num): Ditto. Rename to
278 setup_allocno_left_conflicts_size.
279 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
280 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
281 setup_allocno_left_conflicts_size instead of
282 setup_allocno_left_conflicts_num.
284 * ira-build.c (ira_create_allocno): Use
285 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
286 ALLOCNO_LEFT_CONFLICTS_NUM.
288 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
290 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
291 instead of DF_LR_OUT.
293 * ira-lives.c (process_bb_node_lives): Ditto.
295 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
296 instead of DF_LR_{OUT,IN}.
298 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
300 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
302 2009-03-30 Jan Hubicka <jh@suse.cz>
304 * except.c (label_to_region_map): Fix thinko.
306 2009-03-30 Steve Ellcey <sje@cup.hp.com>
308 PR middle-end/38237
309 * tree.h (tree_find_value): New declaration.
310 * tree.c (tree_find_value): New function.
311 * varasm.c (assemble_external): Avoid duplicate entries on lists.
313 2009-03-30 Jakub Jelinek <jakub@redhat.com>
315 PR debug/39563
316 * c-decl.c (struct c_binding): Add locus field.
317 (bind): Add locus argument, set locus field from it.
318 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
319 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
320 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
321 implicitly_declare, undeclared_variable, lookup_label,
322 declare_label, c_make_fname_decl, c_builtin_function,
323 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
324 bind callers.
326 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
328 PR target/38781
329 * config/i386/i386.c (classify_argument): Check total size of
330 structure.
332 2009-03-30 Martin Jambor <mjambor@suse.cz>
334 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
335 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
336 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
337 respectively.
339 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
340 seen_variable_array_ref while also traversing a union.
342 * tree-inline.c (optimize_inline_calls): Do not call
343 cgraph_node_remove_callees.
344 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
345 (pass_remove_cgraph_callee_edges): New variable.
346 * passes.c (init_optimization_passes): Add
347 pass_remove_cgraph_callee_edges after early inlining and before all
348 late intraprocedural passes.
350 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
352 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
354 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
355 Fix typos in names.
357 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
359 * combine.c (simplify_comparison): Use have_insn_for.
360 * dojump.c (do_jump): Likewise.
362 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
364 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
365 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
366 sparc_compare_op0 like sparc_compare_emitted used to be handled.
367 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
368 instead of sparc_compare_emitted.
369 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
370 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
371 instead of sparc_compare_emitted.
373 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
375 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
376 enter/exit cfglayout mode.
377 (pass_partition_block): Require it.
378 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
379 (combine_instructions): Track basic blocks instead of labels.
380 (update_cfg_for_uncondjump): New.
381 (try_combine): Use it. Update jumps after rescanning.
382 (pass_combine): Require PROP_cfglayout.
383 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
385 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
387 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
388 Provide/destroy PROP_cfglayout respectively.
389 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
390 * tree-pass.h (PROP_cfglayout): New.
392 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
394 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
395 fold_convert_const_fixed_from_fixed,
396 fold_convert_const_fixed_from_int,
397 fold_convert_const_fixed_from_real, fold_negate_const): Do not
398 set TREE_CONSTANT_OVERFLOW.
399 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
400 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
402 2009-03-30 Ira Rosen <irar@il.ibm.com>
404 * tree-vect-loop-manip.c: New file.
405 * tree-vectorizer.c: Update documentation and included files.
406 (vect_loop_location): Make extern.
407 (rename_use_op): Move to tree-vect-loop-manip.c
408 (rename_variables_in_bb, rename_variables_in_loop,
409 slpeel_update_phis_for_duplicate_loop,
410 slpeel_update_phi_nodes_for_guard1,
411 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
412 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
413 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
414 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
415 find_loop_location): Likewise.
416 (new_stmt_vec_info): Move to tree-vect-stmts.c.
417 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
418 get_vectype_for_scalar_type, vect_is_simple_use,
419 supportable_widening_operation, supportable_narrowing_operation):
420 Likewise.
421 (bb_in_loop_p): Move to tree-vect-loop.c.
422 (new_loop_vec_info, destroy_loop_vec_info,
423 reduction_code_for_scalar_code, report_vect_op,
424 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
425 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
426 (vect_supportable_dr_alignment): Likewise.
427 * tree-vectorizer.h (tree-data-ref.h): Include.
428 (vect_loop_location): Declare.
429 Reorganize function declarations according to the new file structure.
430 * tree-vect-loop.c: New file.
431 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
432 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
433 * tree-vect-data-refs.c: New file.
434 * tree-vect-patterns.c (timevar.h): Don't include.
435 * tree-vect-stmts.c: New file.
436 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
437 tree-vect-slp.c, tree-vect-loop.c.
438 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
439 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
440 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
441 (tree-vect-analyze.o): Remove.
442 (tree-vect-transform.o): Likewise.
443 (tree-vect-data-refs.o): Add rule.
444 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
445 tree-vect-slp.o): Likewise.
446 (tree-vect-patterns.o): Remove redundant dependencies.
447 (tree-vectorizer.o): Likewise.
448 * tree-vect-slp.c: New file.
450 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
452 * optc-gen.awk: Warn if an option flag has multiple different
453 help strings.
455 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
457 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
458 -floop-block): Document dependences on PPL, CLooG and Graphite.
460 2009-03-30 Joseph Myers <joseph@codesourcery.com>
462 PR rtl-optimization/323
463 * c-common.c (c_fully_fold, convert_and_check,
464 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
465 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
466 * c-common.def (EXCESS_PRECISION_EXPR): New.
467 * c-cppbuiltin.c (builtin_define_float_constants): Define
468 constants with enough digits for long double.
469 * c-lex.c (interpret_float): Interpret constant with excess
470 precision where appropriate.
471 * c-opts.c (c_common_post_options): Set
472 flag_excess_precision_cmdline. Give an error for
473 -fexcess-precision=standard for C++ for processors where the
474 option is significant.
475 * c-parser.c (c_parser_conditional_expression): Handle excess
476 precision in condition.
477 * c-typeck.c (convert_arguments): Handle arguments with excess
478 precision.
479 (build_unary_op): Move excess precision outside operation.
480 (build_conditional_expr): Likewise.
481 (build_compound_expr): Likewise.
482 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
483 (build_modify_expr): Handle excess precision in RHS.
484 (convert_for_assignment): Handle excess precision in converted
485 value.
486 (digest_init, output_init_element, process_init_element): Handle
487 excess precision in initializer.
488 (c_finish_return): Handle excess precision in return value.
489 (build_binary_op): Handle excess precision in operands and add
490 excess precision as needed for operation.
491 * common.opt (-fexcess-precision=): New option.
492 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
493 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
494 For standard excess precision, output explicit conversion to and
495 truncation from XFmode.
496 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
497 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
498 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
499 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
500 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
501 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
502 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
503 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
504 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
505 define_splits, sqrt<mode>2): Disable where appropriate for
506 standard excess precision.
507 * convert.c (convert_to_real): Do not shorten arithmetic to type
508 for which excess precision would be used.
509 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
510 * doc/invoke.texi (-fexcess-precision=): Document option.
511 (-mfpmath=): Correct index entry.
512 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
513 flag_excess_precision): New.
514 * langhooks.c (lhd_post_options): Set
515 flag_excess_precision_cmdline.
516 * opts.c (common_handle_option): Handle -fexcess-precision=.
517 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
518 init_excess_precision): New.
519 (lang_dependent_init_target): Call init_excess_precision.
520 * tree.c (excess_precision_type): New.
521 * tree.h (excess_precision_type): Declare.
523 2009-03-30 Joseph Myers <joseph@codesourcery.com>
525 PR c/35235
526 * c-typeck.c (build_component_ref): Do not copy qualifiers from
527 non-lvalue to component.
529 2009-03-29 Joseph Myers <joseph@codesourcery.com>
531 PR preprocessor/34695
532 * Makefile.in (c-opts.o): Depend on c-tree.h.
533 * c-common.c: Move down include of diagnostic.h.
534 (done_lexing, c_cpp_error): New.
535 * c-common.h (done_lexing): Declare.
536 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
537 (parse_in).
538 * c-opts.c: Include c-tree.h.
539 (c_common_init_options): Set preprocessor error callback.
540 (c_common_handle_option): Do not set preprocessor
541 inhibit_warnings, warnings_are_errors, warn_system_headers,
542 pedantic_errors or inhibit_warnings flags.
543 (c_common_post_options): Do not check cpp_errors (parse_in).
544 (c_common_finish): Do not output dependencies if there were
545 errors. Do not check return value of cpp_finish.
546 * c-ppoutput.c (pp_file_change): Set input_location.
547 * c-tree.h (c_cpp_error): Declare.
548 * diagnostic.c (diagnostic_set_info_translated): Also initialize
549 override_column.
550 (diagnostic_build_prefix): Check override_column.
551 * diagnostic.h (diagnostic_info): Add override_column field.
552 (diagnostic_override_column): Define.
554 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
556 * c-common.c (c_expand_expr, c_staticp): Remove.
557 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
558 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
559 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
560 * c-gimplify.c (gimplify_compound_literal_expr,
561 optimize_compound_literals_in_ctor): Remove.
562 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
563 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
564 * c-semantics.c (emit_local_var): Remove.
566 * langhooks-def.h (lhd_expand_expr): Remove.
567 * langhooks.c (lhd_expand_expr): Remove.
568 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
570 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
571 handling from c-semantics.c; don't call into langhook.
572 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
573 * gimplify.c (gimplify_compound_literal_expr,
574 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
575 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
576 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
577 as was done in c-gimplify.c.
578 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
579 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
580 Move from c-common.h.
581 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
583 * tree.c (staticp): Do not call langhook.
584 * langhooks.c (lhd_staticp): Delete.
585 * langhooks-def.h (lhd_staticp): Delete prototype.
586 (LANG_HOOKS_STATICP): Delete.
587 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
589 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
590 instead of DECL_STMTs.
592 2009-03-29 Joseph Myers <joseph@codesourcery.com>
594 PR c/456
595 PR c/5675
596 PR c/19976
597 PR c/29116
598 PR c/31871
599 PR c/35198
600 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
601 void_type_node.
602 (fold_call_expr): Return a NOP_EXPR from folding rather than the
603 contained expression.
604 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
605 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
606 conditional expressions for C.
607 (decl_constant_value_for_optimization): Move from
608 decl_constant_value_for_broken_optimization in c-typeck.c. Check
609 whether optimizing and that the expression is a VAR_DECL not of
610 array type instead of doing such checks in the caller. Do not
611 check pedantic. Call gcc_unreachable for C++.
612 * c-common.def (C_MAYBE_CONST_EXPR): New.
613 * c-common.h (c_fully_fold, c_save_expr,
614 decl_constant_value_for_optimization): New prototypes.
615 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
616 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
617 EXPR_INT_CONST_OPERANDS): Define.
618 * c-convert.c (convert): Strip nops from expression.
619 * c-decl.c (groktypename): Take extra parameters expr and
620 expr_const_operands. Update call to grokdeclarator.
621 (start_decl): Update call to grokdeclarator. Add statement for
622 expressions used in type of decl.
623 (grokparm): Update call to grokdeclarator.
624 (push_parm_decl): Update call to grokdeclarator.
625 (build_compound_literal): Add parameter non_const and build a
626 C_MAYBE_COSNT_EXPR if applicable.
627 (grokdeclarator): Take extra parameters expr and
628 expr_const_operands. Track expressions used in declaration
629 specifiers and declarators. Fold array sizes and track whether
630 they are constant expressions and whether they are integer
631 constant expressions.
632 (parser_xref_tag): Set expr and expr_const_operands fields in
633 return value.
634 (grokfield): Update call to grokdeclarator.
635 (start_function): Update call to grokdeclarator.
636 (build_null_declspecs): Set expr and expr_const_operands fields in
637 return value.
638 (declspecs_add_type): Handle expressions in typeof specifiers.
639 * c-parser.c (c_parser_declspecs): Set expr and
640 expr_const_operands fields for declaration specifiers.
641 (c_parser_enum_specifier): Likewise.
642 (c_parser_struct_or_union_specifier): Likewise.
643 (c_parser_typeof_specifier): Likewise. Update call to
644 groktypename. Fold expression as needed. Return expressions with
645 type instead of adding statements.
646 (c_parser_attributes): Update calls to c_parser_expr_list.
647 (c_parser_statement_after_labels): Fold expression before passing
648 to objc_build_throw_stmt.
649 (c_parser_condition): Fold expression.
650 (c_parser_asm_operands): Fold expression.
651 (c_parser_conditional_expression): Use c_save_expr. Update call
652 to build_conditional_expr.
653 (c_parser_alignof_expression): Update call to groktypename.
654 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
655 original_code. Fold expression argument of va_arg. Create
656 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
657 argument to va_arg. Update calls to groktypename. Fold array
658 index for offsetof. Verify that first argument to
659 __builtin_choose_expr has integer type.
660 (c_parser_postfix_expression_after_paren_type): Update calls to
661 groktypename and build_compound_literal. Handle expressions with
662 side effects in type name.
663 (c_parser_postfix_expression_after_primary): Update call to
664 c_parser_expr_list. Set original_code for calls to
665 __builtin_constant_p.
666 (c_parser_expr_list): Take extra parameter fold_p. Fold
667 expressions if requested.
668 (c_parser_objc_type_name): Update call to groktypename.
669 (c_parser_objc_synchronized_statement): Fold expression.
670 (c_parser_objc_receiver): Fold expression.
671 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
672 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
673 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
674 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
675 (struct c_typespec): Add elements expr and expr_const_operands.
676 (struct c_declspecs): Add elements expr and expr_const_operands.
677 (groktypename, build_conditional_expr, build_compound_literal):
678 Update prototypes.
679 (in_late_binary_op): Declare.
680 * c-typeck.c (note_integer_operands): New function.
681 (in_late_binary_op): New variable.
682 (decl_constant_value_for_broken_optimization): Move to c-common.c
683 and rename to decl_constant_value_for_optimization.
684 (default_function_array_conversion): Do not strip nops.
685 (default_conversion): Do not call
686 decl_constant_value_for_broken_optimization.
687 (build_array_ref): Do not fold result.
688 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
689 result when operand is a VLA.
690 (c_expr_sizeof_type): Update call to groktypename. Handle
691 expressions included in type name. Use C_MAYBE_CONST_EXPR for
692 result when operand names a VLA type.
693 (build_function_call): Update call to build_compound_literal.
694 Only fold result for calls to __builtin_* functions. Strip
695 NOP_EXPR from INTEGER_CST returned from such functions. Fold
696 the function designator.
697 (convert_arguments): Fold arguments. Update call to
698 convert_for_assignment.
699 (build_unary_op): Handle increment and decrement of
700 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
701 decrement earlier. Fold operand of increment and decrement.
702 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
703 built for integer operand. Wrap returns that are INTEGER_CSTs
704 without being integer constant expressions or that have integer
705 constant operands without being INTEGER_CSTs.
706 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
707 (build_conditional_expr): Add operand ifexp_bcp. Track whether
708 result is an integer constant expression or can be used in
709 unevaluated parts of one and avoid folding and wrap as
710 appropriate. Fold operands before possibly doing -Wsign-compare
711 warnings.
712 (build_compound_expr): Wrap result for C99 if operands can be used
713 in integer constant expressions.
714 (build_c_cast): Update call to digest_init. Do not ignore
715 overflow from casting floating-point constants to integers. Wrap
716 results that could be confused with integer constant expressions,
717 null pointer constants or floating-point constants.
718 (c_cast_expr): Update call to groktypename. Handle expressions
719 included in type name.
720 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
721 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
722 Update calls to convert_for_assignment.
723 (convert_for_assignment): Take new parameter
724 null_pointer_constant. Do not strip nops or call
725 decl_constant_value_for_broken_optimization. Set
726 in_late_binary_op for conversions to boolean.
727 (store_init_value): Update call to digest_init.
728 (digest_init): Take new parameter null_pointer_constant. Do not
729 call decl_constant_value_for_broken_optimization. pedwarn for
730 initializers not constant expressions. Update calls to
731 convert_for_assignment.
732 (constructor_nonconst): New.
733 (struct constructor_stack): Add nonconst element.
734 (really_start_incremental_init, push_init_level, pop_init_level):
735 Handle constructor_nonconst and nonconst element.
736 (set_init_index): Call constant_expression_warning for array
737 designators.
738 (output_init_element): Fold value. Set constructor_nonconst as
739 applicable. pedwarn for initializers not constant expressions.
740 Update call to digest_init. Call constant_expression_warning
741 where constant initializers are required.
742 (process_init_element): Use c_save_expr.
743 (c_finish_goto_ptr): Fold expression.
744 (c_finish_return): Fold return value. Update call to
745 convert_for_assignment.
746 (c_start_case): Fold switch expression.
747 (c_process_expr_stmt): Fold expression.
748 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
749 ensure statement expression is not evaluated in constant expression.
750 (build_binary_op): Track whether results are integer constant
751 expressions or may occur in such, disable folding and wrap results
752 as applicable. Fold operands for -Wsign-compare warnings unless
753 in_late_binary_op.
754 (c_objc_common_truthvalue_conversion): Handle results folded to
755 integer constants that are not integer constant expressions.
756 * doc/extend.texi: Document when typeof operands are evaluated,
757 that condition of __builtin_choose_expr is an integer constant
758 expression, and more about use of __builtin_constant_p in
759 initializers.
761 2009-03-29 Richard Guenther <rguenther@suse.de>
763 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
764 propagate addresses of array references.
766 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
768 * regmove.c (perhaps_ends_bb_p): Remove.
769 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
770 from INSN and check that the main loop stays within that basic block.
771 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
772 (regmove_forward_pass): Split out from regmove_optimize. Use
773 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
774 (regmove_backward_pass): Split out from regmove_optimize. Use
775 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
776 (regmove_optimize): Simplify.
778 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
780 PR target/39545
781 * config/i386/i386.c (classify_argument): Ignore flexible array
782 member in struct and warn ABI change.
784 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
786 * config/i386/i386-protos.h (ix86_agi_dependent): New.
788 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
789 (ix86_adjust_cost): Updated.
791 2009-03-29 Jan Hubicka <jh@suse.cz>
793 PR middle-end/28850
794 * tree-pass.h (pass_cleanup_eh): New function.
795 (remove_unreachable_regions): Break code handling RTL
796 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
797 that can not be reached by runtime.
798 (can_be_reached_by_runtime): New function.
799 (label_to_region_map): New function.
800 (num_eh_regions): New function.
801 (rtl_remove_unreachable_regions): New function.
802 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
803 (remove_eh_region): New function.
804 * except.h: Include sbitmap and vecprim.
805 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
806 num_eh_regions): Declare.
807 * passes.c (init_optimization_passes): Schedule cleanup_eh.
808 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
809 * tree-eh.c (tree_remove_unreachable_handlers): New function.
810 (tree_empty_eh_handler_p): New function.
811 (cleanup_empty_eh): New function.
812 (cleanup_eh): New function.
813 (pass_cleanup_eh): New function.
815 2009-03-29 Jan Hubicka <jh@suse.cz>
817 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
818 for removed regions.
820 2009-03-29 Jan Hubicka <jh@suse.cz>
822 * except.c (dump_eh_tree): Dump all datastructures.
824 2009-03-29 Jan Hubicka <jh@suse.cz>
826 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
827 (duplicate_eh_regions_1): Likewise.
828 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
829 vector; call EH verification.
830 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
831 Be ready for region being removed.
833 2009-03-29 Jan Hubicka <jh@suse.cz>
835 * bitmap.c (bitmap_last_set_bit): New function.
836 * bitmap.h (bitmap_last_set_bit): Declare.
838 2009-03-29 David Ayers <ayers@fsfe.org>
840 PR objc/27377
841 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
842 by calling objc_compare_types and surpress warnings about
843 incompatible C pointers that are compatible ObjC pointers.
845 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
847 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
848 call initialize_inline_failed.
849 (initialize_inline_failed): Move it from here ...
850 * cgraph.c (initialize_inline_failed): ... to here.
851 (cgraph_create_edge): Call initialize_inline_failed rather than
852 setting inline_failed directly.
854 2009-03-29 Ben Elliston <bje@au.ibm.com>
856 PR target/32542
857 * sysv4.opt (msdata): Improve comment.
858 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
859 * sysv4.h (SVR4_ASM_SPEC): Likewise.
861 2009-03-29 Ben Elliston <bje@au.ibm.com>
863 PR target/30451
864 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
865 load and store attributes.
867 2009-03-29 Ben Elliston <bje@au.ibm.com>
869 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
870 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
871 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
872 * doc/extend.texi (X86 Built-in Functions): Add index entries for
873 __builtin_infq and __builtin_huge_valq.
875 2009-03-28 Anatoly Sokolov <aesok@post.ru>
877 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
878 atmega8m1 devices.
879 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
880 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
882 2009-03-28 Xinliang David Li <davidxl@google.com>
884 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
885 (do_dbg_cnt): New function.
887 2009-03-28 Jan Hubicka <jh@suse.cz>
889 Merge from pretty-ipa:
891 2009-03-27 Jan Hubicka <jh@suse.cz>
893 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
894 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
895 * passes.c (function_called_by_processed_nodes_p): New.
896 * ipa-pure-const.c (check_call): Fix handling of operands.
897 (analyze_function): Dump debug output for skipped bodies.
898 (local_pure_const): Use function_called_by_processed_nodes_p.
899 * dwarf2out.c (reference_to_unused): Use output.
900 * passes.c (do_per_function_toporder): Likewise.
902 2008-11-12 Jan Hubicka <jh@suse.cz>
904 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
905 * ipa-pure-const.c (funct_state_d): Add can throw field; make
906 state_set_in_source enum
907 (check_decl): Ignore memory tags; do not set fake looping flags;
908 dump diagnostics.
909 (check_operand, check_tree, check_rhs_var, check_lhs_var,
910 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
911 (check_call, analyze_function): Rewrite.
912 (check_stmt): New.
913 (add_new_function): Update call of analyze_function.
914 (generate_summary): Add call of analyze_function.
915 (propagate): Propagate can_throw; handle state_set_in_source correctly.
916 (local_pure_const): New function.
917 (pass_local_pure_const): New pass.
918 * ipa-inline.c (inline_transform): Set after_inlining.
919 * tree-eh.c (stmt_can_throw_external): New.
920 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
921 work with aliasing built.
922 * tree-flow.h (stmt_can_throw_external): New.
923 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
924 and local pure/const pass in early and late optimization queue.
926 2009-03-28 Martin Jambor <mjambor@suse.cz>
928 * fold-const.c (get_pointer_modulus_and_residue): New parameter
929 allow_func_align.
930 (fold_binary): Allow function decl aligment consideration is the
931 second argument is integer constant one.
932 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
933 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
934 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
936 2009-03-28 Jan Hubicka <jh@suse.cz>
938 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
939 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
940 * function.h (rtl_data): Add nothrow flag.
941 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
942 set DECL_NOTHROW for AVAILABLE functions.
944 2009-03-28 Jakub Jelinek <jakub@redhat.com>
946 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
947 following vector keyword has expansion starting with pixel or bool
948 keyword, expand vector to __vector and pixel or bool to __pixel or
949 __bool.
951 PR c++/39554
952 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
953 warn_if_disallowed_function_p): Removed.
954 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
955 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
956 warning_if_disallowed_function_p.
957 * flags.h (warn_if_disallowed_function_p,
958 warn_disallowed_functions): Removed.
959 * common.opt (Wdisallowed-function-list=): Removed.
960 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
962 2009-03-28 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/38723
965 * tree-ssa-pre.c (compute_avail): Add all default definitions to
966 the entry block.
968 2009-03-28 Jan Hubicka <jh@suse.cz>
970 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
971 test introduced by my previous patch.
973 2009-03-28 Richard Guenther <rguenther@suse.de>
975 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
976 the PHIs value undefined.
978 2009-03-28 Jan Hubicka <jh@suse.cz>
980 * tree-pass.h (pass_fixup_cfg): New pass.
981 * ipa-inline.c (inline_transform): Set
982 always_inline_functions_inlined/after_inlining.
983 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
984 (pass_fixup_cfg): New pass.
985 * passes.c (init_optimization_passes): Add fixup_cfg.
987 2009-03-28 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/38458
990 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
991 argument use the arguments copy-of value.
993 2009-03-28 Richard Guenther <rguenther@suse.de>
995 PR tree-optimization/38180
996 * tree-ssa-ccp.c (get_default_value): Simplify.
997 (likely_value): Likewise.
998 (surely_varying_stmt_p): Properly handle VOP case.
999 (ccp_initialize): Likewise.
1000 (ccp_fold): Handle propagating through *&.
1001 (fold_const_aggregate_ref): Also handle decls.
1003 2009-03-28 Jan Hubicka <jh@suse.cz>
1005 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1006 * cgraph.h (cgraph_node): Likewise.
1007 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1008 (cgraph_reset_node): Use process flag.
1009 (cgraph_mark_functions_to_output): Likewise.
1010 (cgraph_expand_function): Likewise.
1011 (cgraph_expand_all_functions): Likewise.
1012 (cgraph_output_in_order): Likewise.
1013 * dwarf2out.c (reference_to_unused): Likewise.
1014 * passes.c do_per_function_toporder): Likewise.
1016 2009-03-28 Jan Hubicka <jh@suse.cz>
1018 Bring from lto-branch:
1020 2008-09-03 Doug Kwan <dougkwan@google.com>
1022 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1023 enums instead of reason strings.
1024 * cgraph.c (cgraph_create_edge): Same.
1025 (cgraph_inline_failed_string): New function.
1026 * cgraph.h (cgraph_inline_failed_t): New enum type.
1027 (cgraph_inline_failed_string): New prototype.
1028 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1029 char pointer to cgraph_inline_failed_t.
1030 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1031 (cgraph_default_inline_p): Ditto.
1032 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1033 to cgraph_inline_failed_t pointer.
1034 * cif-code.def: New file.
1035 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1036 reason string.
1037 (cgraph_check_inline_limits): Change type of REASON to pointer to
1038 cgraph_inline_failed_t. Replace reason strings with enums.
1039 (cgraph_default_inline_p): Ditto.
1040 (cgraph_recursive_inlining_p): Ditto.
1041 (update_caller_keys): Change type of FAILED_REASON to
1042 cgraph_inline_failed_t.
1043 (cgraph_set_inline_failed): Change type of REASON to pointer to
1044 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1045 convert enums to strings for text output.
1046 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1047 to be of type cgraph_inline_failed_t. Replace reason strings with
1048 enums. Call cgraph_inline_failed_string to covert enums
1049 to strings for text output.
1050 (cgraph_decide_inlining): Replace reason strings with enums.
1051 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1052 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1053 for text output.
1054 * tree-inline.c (expand_call_inline): Change type of REASON
1055 to cgraph_inline_failed_t. Replace reason strings with enums.
1056 Call cgraph_inline_failed_string for text output.
1057 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1058 (cgraph.o): Ditto.
1060 2009-03-28 Jan Hubicka <jh@suse.cz>
1062 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1063 cgraph_clone_node): Remove master clone handling.
1064 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1065 * cgraph.h (master_clone): Remove.
1066 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1067 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1068 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1070 2009-03-28 Jan Hubicka <jh@suse.cz>
1072 * cgraph.c (cgraph_function_body_availability): Functions declared
1073 inline are always safe to assume that it is not going to be replaced.
1075 2009-03-28 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/38513
1078 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1079 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1080 EXC_PTR_EXPR and FILTER_EXPR.
1081 (get_ref_from_reference_ops): Likewise.
1083 2009-03-28 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/38968
1086 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1087 Use FLOOR_MOD_EXPR to compute misalignment.
1089 2009-03-28 Richard Guenther <rguenther@suse.de>
1091 PR tree-optimization/37795
1092 * tree.h (combine_comparisons): Declare.
1093 * fold-const.c (combine_comparisons): Export.
1094 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1095 comparisons.
1096 (ifcombine_iforif): Use combine_comparisons.
1098 2009-03-28 Jan Hubicka <jh@suse.cz>
1100 * tree-eh.c (inlinable_call_p): New function.
1101 (make_eh_edges): Use it.
1102 (verify_eh_edges): Use it.
1103 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1104 * except.c (reachable_next_level): Add inlinable_function argument
1105 (sjlj_find_directly_reachable_regions): Update.
1106 (add_reachable_handler): Do not set saw_any_handlers.
1107 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1108 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1109 Add new inlinable call parameter.
1110 (can_throw_internal, can_throw_external): Update.
1111 * except.h (can_throw_internal_1, can_throw_external_1,
1112 foreach_reachable_handler): Update declaration.
1114 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1116 * config/arm/t-arm-coff, config/h8300/coff.h,
1117 config/i386/i386-aout.h, config/i386/i386-coff.h,
1118 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1119 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1120 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1121 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1122 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1123 sys-types.h: Remove.
1124 * Makefile.in: Remove protoize and fixproto support and references
1125 in comments.
1126 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1127 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1128 Remove.
1129 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1130 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1131 unprotoize$(exeext).
1132 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1133 (.PHONY): Don't depend on proto.
1134 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1135 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1136 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1137 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1138 build/gen-protos.o, build/scan.o, xsys-protos.h,
1139 build/fix-header$(build_exeext), build/fix-header.o,
1140 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1141 stmp-install-fixproto): Remove.
1142 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1143 SYSCALLS.c or fixproto files.
1144 (install-common): Don't install protoize.
1145 (install-headers-tar, install-headers-cpio, install-headers-cp):
1146 Don't depend on $(STMP_FIXPROTO).
1147 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1148 install fixproto files or write out fixproto settings.
1149 (uninstall): Don't uninstall protoize.
1150 * config.gcc (use_fixproto): Remove.
1151 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1152 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1153 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1154 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1155 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1156 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1157 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1158 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1159 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1160 * config/t-vxworks (STMP_FIXPROTO): Remove.
1161 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1162 STMP_FIXPROTO): Remove.
1163 * config.in, configure: Regenerate.
1164 * crtstuff.c (gid_t, uid_t): Don't undefine.
1165 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1166 (arm-*-coff, arm-*-aout: Remove target entries.
1167 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1168 Remove mention of AIX 4.1.
1169 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1170 * doc/invoke.texi (Running Protoize): Remove.
1171 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1172 (Protoize Caveats): Remove.
1173 * tsystem.h: Update comments on headers assumed to exist.
1175 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1177 * genautomata.c: Add a new year to the copyright. Add a new
1178 reference.
1179 (struct insn_reserv_decl): Add comments for member bypass_list.
1180 (find_bypass): Remove.
1181 (insert_bypass): New.
1182 (process_decls): Use insert_bypass.
1183 (output_internal_insn_latency_func): Output all bypasses with the
1184 same input insn in one switch case.
1186 * rtl.def (define_bypass): Describe bypass choice.
1187 * doc/md.texi (define_bypass): Ditto.
1189 2009-03-27 Richard Guenther <rguenther@suse.de>
1191 * gimplify.c (mark_addressable): Export.
1192 * tree-flow.h (mark_addressable): Declare.
1193 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1194 * tree-ssa.c (verify_phi_args): Verify that address taken
1195 variables have TREE_ADDRESSABLE set.
1197 2009-03-27 Richard Guenther <rguenther@suse.de>
1199 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1200 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1201 Do not mark decls TREE_ADDRESSABLE.
1202 (build_fold_addr_expr): Adjust.
1203 (fold_addr_expr): Remove.
1204 (fold_unary): Use build_fold_addr_expr.
1205 (fold_comparison): Likewise.
1206 (split_address_to_core_and_offset): Likewise.
1207 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1208 TREE_ADDRESSABLE.
1209 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1210 (gimplify_modify_expr_to_memcpy): Mark source and destination
1211 addressable.
1212 * omp-low.c (create_omp_child_function): Mark the object decl
1213 TREE_ADDRESSABLE.
1214 (lower_rec_input_clauses): Mark the var we take the address of
1215 TREE_ADDRESSABLE.
1216 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1218 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1220 PR middle-end/39315
1221 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1222 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1224 2009-03-27 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/39120
1227 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1228 constraints.
1229 (handle_lhs_call): Process return constraints. Add escape
1230 constraints if necessary.
1231 (handle_const_call): Fill out return constraints. Make nested
1232 case more precise. Avoid consttmp if possible.
1233 (handle_pure_call): Fill out return constraints. Avoid
1234 callused if possible.
1235 (find_func_aliases): Simplify call handling.
1237 2009-03-27 Richard Guenther <rguenther@suse.de>
1239 PR tree-optimization/39120
1240 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1241 as a representative.
1242 (solve_graph): Do propagate CALLUSED.
1243 (handle_pure_call): Use a scalar constraint from CALLUSED for
1244 the return value.
1245 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1246 solutions.
1248 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1250 PR c/39323
1251 * c-common.c (handle_aligned_attribute): Properly check alignment
1252 overflow. Use (1U << i) instead of (1 << i).
1254 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1256 * expr.h (get_mem_align_offset): Updated.
1258 * tree.h (tree_decl_common): Change align to "unsigned int" and
1259 move it before pointer_alias_set.
1261 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1262 Jakub Jelinek <jakub@redhat.com>
1264 PR target/38034
1265 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1266 gr_register_operand with gr_reg_or_0_operand.
1267 (cmpxchg_rel_di): Likewise.
1268 (sync_lock_test_and_set<mode>): Likewise.
1270 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1272 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1273 (true_regnum): Likewise.
1275 * rtlanal.c (subreg_info): Moved to ...
1276 * rtl.h (subreg_info): Here. New.
1277 (subreg_get_info): New.
1279 * rtlanal.c (subreg_get_info): Make it extern.
1281 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1283 PR target/39472
1284 * config/i386/i386.c (ix86_abi): New.
1285 (override_options): Handle -mabi=.
1286 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1287 (ix86_call_abi_override): Likewise.
1288 (init_cumulative_args): Likewise.
1289 (function_arg_advance): Likewise.
1290 (function_arg_64): Likewise.
1291 (function_arg): Likewise.
1292 (ix86_pass_by_reference): Likewise.
1293 (ix86_function_value_regno_p): Likewise.
1294 (ix86_build_builtin_va_list_abi): Likewise.
1295 (setup_incoming_varargs_64): Likewise.
1296 (is_va_list_char_pointer): Likewise.
1297 (ix86_init_machine_status): Likewise.
1298 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1299 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1300 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1301 (ix86_function_abi): Make it static and return enum calling_abi.
1302 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1303 with ix86_abi.
1304 (ix86_fn_abi_va_list): Updated.
1306 * config/i386/i386.h (ix86_abi): New.
1307 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1308 (CONDITIONAL_REGISTER_USAGE): Likewise.
1309 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1310 (machine_function): Likewise.
1312 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1313 with ix86_abi.
1314 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1315 (STACK_BOUNDARY): Likewise.
1316 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1318 * config/i386/i386.opt (mabi=): New.
1320 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1321 return enum calling_abi.
1322 (ix86_function_type_abi): Likewise.
1323 (ix86_function_abi): Removed.
1325 * doc/invoke.texi: Document -mabi= option for x86.
1327 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1329 * builtins.c (real_dconstp): Delete.
1330 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1332 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1333 Jakub Jelinek <jakub@redhat.com>
1335 PR debug/37959
1336 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1337 (gen_subprogram_die): When a function is explicit, generate the
1338 DW_AT_explicit attribute.
1339 * langhooks.h (struct lang_hooks_for_decls): Add
1340 function_decl_explicit_p langhook.
1341 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1342 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1344 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1346 * builtins.c (fold_builtin_memory_op): Optimize memmove
1347 into memcpy if we can prove source and destination don't overlap.
1349 * tree-inline.c: Include gt-tree-inline.h.
1350 (clone_fn_id_num): New variable.
1351 (clone_function_name): New function.
1352 (tree_function_versioning): Use it.
1353 * Makefile.in (GTFILES): Add tree-inline.c.
1355 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1357 * BASE-VER: Change to 4.5.0.
1359 2009-03-27 Xinliang David Li <davidxl@google.com>
1361 PR tree-optimization/39557
1362 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1364 2009-03-27 Xinliang David Li <davidxl@google.com>
1366 PR tree-optimization/39548
1367 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1368 candidate check.
1370 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1372 * c-common.c (pointer_int_sum): Use %wd on return from
1373 tree_low_cst.
1375 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1377 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1378 on return from tree_low_cst.
1380 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1382 PR c++/36799
1383 * ginclude/stdarg.h (va_copy): Define also for
1384 __GXX_EXPERIMENTAL_CXX0X__.
1386 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1388 PR c++/35652
1389 * builtins.h (c_strlen): Do not warn here.
1390 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1391 * c-common.c (pointer_int_sum): Take an explicit location.
1392 Warn about offsets out of bounds.
1393 * c-common.h (pointer_int_sum): Adjust declaration.
1395 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1397 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1398 markup glitch.
1400 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1402 PR c++/39554
1403 * opts.c (warn_if_disallowed_function_p): Don't assume
1404 get_callee_fndecl must return non-NULL.
1406 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1408 PR rtl-optimization/39522
1409 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1410 when reg_reloaded_valid is set.
1412 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1414 * config/spu/divv2df3.c: New file.
1415 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1416 (DPBIT_FUNCS): Filter out _div_df.
1418 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1420 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1421 a jump insn, count that jump in the distance to the loop start.
1423 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1425 PR target/39523
1426 * config/sh/sh.c (calc_live_regs): Fix condition for global
1427 registers except PIC_OFFSET_TABLE_REGNUM.
1429 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1431 PR/39518
1432 * doc/invoke.texi (-mconsole): New.
1433 (-mcygwin): New.
1434 (-mno-cygwin): New.
1435 (-mdll): New.
1436 (-mnop-fun-dllimport): New.
1437 (-mthread): New.
1438 (-mwin32): New.
1439 (-mwindows): New.
1440 (sub section "i386 and x86-64 Windows Options"): New.
1442 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1444 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1445 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1447 2009-03-25 Richard Guenther <rguenther@suse.de>
1449 PR middle-end/39497
1450 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1451 of -Wno-error.
1453 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1455 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1456 neither of haifa/selective schedulers are working.
1458 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1460 * doc/invoke.texi (Debugging Options): Fix description of
1461 -fno-merge-debug-strings.
1463 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1465 * config/cris/libgcc.ver: New version-script.
1466 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1468 * configure.ac <GAS features, nop mnemonic>: Add pattern
1469 crisv32-*-* for "nop".
1470 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1471 * configure: Regenerate.
1473 2009-03-24 Ira Rosen <irar@il.ibm.com>
1475 PR tree-optimization/39529
1476 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1477 mark_sym_for_renaming for the tag copied to the new vector
1478 pointer.
1480 2009-03-24 Arthur Loiret <aloiret@debian.org>
1482 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1483 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1484 EXTRA_SPEC_FUNCTIONS.
1485 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1486 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1487 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1488 -march and -mtune options.
1490 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1492 * config/m68k/t-rtems: Add m5329 multilib.
1494 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1495 Jakub Jelinek <jakub@redhat.com>
1497 PR debug/39524
1498 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1499 nodes.
1501 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1503 PR c/39495
1504 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1505 instead of c_parser_expression_conv, if original_code isn't one of the
1506 4 allowed comparison codes, fail.
1508 2009-03-23 Richard Guenther <rguenther@suse.de>
1510 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1511 * tree.h (struct tree_type): Likewise.
1512 * reload.h (struct insn_chain): Likewise.
1513 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1514 * function.h (struct function): Likewise.
1515 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1517 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1519 PR tree-optimization/39516
1520 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1522 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1524 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1525 should be set true if BITS_PER_WORD of target is bigger than 32
1527 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1529 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1530 Translate -B-options to -rpath-link. Correct existing
1531 rpath-link and conditionalize on !nostdlib.
1533 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1535 * doc/extend.texi (Function Attributes, Variable Attributes):
1536 Fix typos.
1537 * doc/invoke.texi (Debugging Options, Optimize Options)
1538 (i386 and x86-64 Options, MCore Options): Likewise.
1540 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1542 PR debug/37890
1543 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1544 it for block local namespace aliases.
1545 (gen_decl_die): Pass context_die to gen_namespace_die.
1547 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1549 PR c/39495
1550 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1551 minimum or maximum value.
1553 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1555 * reginfo.c (globalize_reg): Recompute derived reg sets.
1557 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1559 PR target/39063
1560 * libgcc2.c (mprotect): Do not use signed arguments for
1561 VirtualProtect, use DWORD arguments. Also fix the 'may
1562 be used uninitialized' warning for the np variable.
1564 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1566 PR target/39496
1567 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1568 functions using regparm calling conventions when not optimizing.
1569 (ix86_function_sseregparm): Similarly for sseregparm calling
1570 conventions.
1572 2009-03-19 Li Feng <nemokingdom@gmail.com>
1574 PR middle-end/39500
1575 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1576 dependence if the first conflict is after niter iterations.
1578 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1580 PR middle-end/38609
1581 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1582 functions with dynamic stack-pointer adjustments.
1584 2009-03-19 Ben Elliston <bje@au.ibm.com>
1586 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1587 option; change to -msdata=data.
1589 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1591 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1592 and -fopenmp.
1594 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1596 PR target/35180
1597 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1599 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1601 * doc/invoke.texi (Code Gen Options): Expand discussion of
1602 -fno-common.
1604 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1606 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1607 * matrix-reorg.c (struct matrix_info): Likewise.
1608 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1609 * rtl.h (struct mem_attrs): Likewise.
1610 * df.h (struct df): Likewise.
1611 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1612 * ira-int.h (struct ira_allocno): Likewise.
1613 * df-scan.c (struct df_collection_rec): Likewise.
1614 * ira.c (struct equivalence): Likewise.
1615 * function.c (struct temp_slot): Likewise.
1616 * cfgloop.h (struct loop): Likewise.
1618 PR debug/39485
1619 * function.c (use_register_for_decl): When not optimizing, disregard
1620 register keyword for variables with types containing methods.
1622 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1624 PR middle-end/39447
1625 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1626 (is_simple_operand): Call contains_component_ref_p before calling data
1627 reference analysis that would fail on COMPONENT_REFs.
1629 * tree-vrp.c (search_for_addr_array): Fix formatting.
1631 2009-03-18 Richard Guenther <rguenther@suse.de>
1633 * tree-vect-transform.c (vect_loop_versioning): Fold the
1634 generated comparisons.
1635 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1636 (slpeel_tree_peel_loop_to_edge): Likewise.
1638 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1640 PR middle-end/37805
1641 * opts.c (print_specific_help): In addition to `undocumented',
1642 accept `separate' and `joined' flags if passed alone. Describe
1643 output by the first matched one of those.
1644 (common_handle_option): Skip over empty strings.
1645 * gcc.c (display_help): Fix help string for `--help='.
1646 * doc/invoke.texi (Option Summary, Overall Options): With
1647 `--help=', classes and qualifiers can both be repeated, but
1648 only the latter can be negated. One should not pass only
1649 negated qualifiers. Fix markup and examples.
1651 Revert
1652 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1653 PR middle-end/37805
1654 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1655 and -fhelp=separate.
1657 2009-03-17 Jing Yu <jingyu@google.com>
1659 PR middle-end/39378
1660 * function.h (struct rtl_data): Move is_thunk from here...
1661 (struct function): ...to here.
1662 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1663 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1664 cfun.
1665 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1666 cfun.
1667 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1668 (alpha_output_function_end_prologue): Likewise.
1669 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1670 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1671 (rs6000_output_function_epilogue): Likewise.
1672 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1674 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1676 PR target/39482
1677 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1678 from different units in a single alternative.
1679 (*truncdfsf_i387): Ditto.
1680 (*truncxfsf2_mixed): Ditto.
1681 (*truncxfdf2_mixed): Ditto.
1683 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1685 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1686 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1688 PR debug/39474
1689 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1690 unused non-artificial variables when not optimizing.
1692 PR debug/39471
1693 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1694 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1695 NAMESPACE_DECL in its DECL_INITIAL.
1697 PR middle-end/39443
1698 * optabs.c (set_user_assembler_libfunc): New function.
1699 * expr.h (set_user_assembler_libfunc): New prototype.
1700 * c-common.c: Include libfuncs.h.
1701 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1702 for memcmp, memset, memcpy, memmove and abort.
1703 * Makefile.in (c-common.o): Depend on libfuncs.h.
1705 PR debug/39412
1706 * dwarf2out.c (gen_inlined_enumeration_type_die,
1707 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1708 gen_tagged_type_instantiation_die): Removed.
1709 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1710 do nothing.
1712 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1714 PR testsuite/38526
1715 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1716 its use.
1717 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1718 (check-parallel-%): Ditto.
1719 (check-consistency): Ditto.
1721 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1723 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1724 local variable rhs by NULL_TREE.
1726 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1728 PR target/39477
1729 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1731 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1733 PR target/39476
1734 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1736 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1738 PR target/39473
1739 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1740 for ms->sysv ABI calls only in 64bit mode.
1742 * config/i386/i386.md (untyped_call): Support 32bit.
1744 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1746 * doc/extend.texi: Replace x86_65 with x86_64.
1748 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1750 PR tree-optimization/39455
1751 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1752 mismatches for POINTER_TYPE_P (type).
1753 (number_of_iterations_le): Likewise.
1755 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1757 * config/picochip/picochip.c: Removed profiling support.
1758 * config/picochip/picochip.md: Removed profiling instruction.
1759 * config/picochip/picochip.h: Removed profiling builtin.
1761 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1763 * doc/install.texi (--with-host-libstdcxx): Document.
1765 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1767 PR target/34299
1768 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1769 generate a warning if the function name does not begin with
1770 "__vector" and the function has either the 'signal' or 'interrupt'
1771 attribute, from here to ...
1772 (avr_declare_function_name): ...here. New function.
1773 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1774 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1776 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1778 PR bootstrap/39454
1779 * cse.c (fold_rtx): Don't modify original const_arg1 when
1780 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1781 separate variable instead.
1782 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1783 from out of range shift counts.
1784 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1786 2008-03-13 Catherine Moore <clm@codesourcery.com>
1788 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1789 diagnostic.h with $(DIAGNOSTIC_H).
1791 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1793 PR target/39431
1794 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1795 predicate.
1796 * config/i386/sync.md (sync_compare_and_swap<mode>,
1797 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1798 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1799 into a register.
1800 (sync_double_compare_and_swapdi_pic,
1801 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1802 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1804 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1806 PR target/39445
1807 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1809 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1811 PR target/39327
1812 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1813 (avx_addsubv4df3): Likewise.
1814 (*avx_addsubv4sf3): Likewise.
1815 (sse3_addsubv4sf3): Likewise.
1817 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1819 PR target/38824
1820 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1822 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1824 PR debug/39432
1825 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1826 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1827 registers for allocnos created from user-defined variables.
1829 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1831 PR target/39181
1832 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1833 of non-integer mode as well.
1835 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1837 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1838 for functions for which the parameter types are unknown.
1840 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1842 PR target/39137
1843 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1844 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1845 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1846 * config/i386/i386.c (ix86_local_alignment): For
1847 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1848 long long variables on the stack to avoid dynamic realignment.
1849 Allow the first argument to be a decl rather than type.
1850 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1852 2009-03-11 Nick Clifton <nickc@redhat.com>
1854 PR target/5362
1855 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1856 options.
1857 Add description to mno-lsim option.
1858 * config/mcore/mcore.h: Remove comment about deprecated m4align
1859 option.
1860 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1861 * doc/invoke.texi: Add description of mno-lsim and
1862 mstack-increment options.
1864 * config/fr30/fr30.opt: Document the -mno-lsim option.
1865 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1866 and -mno-lsim options.
1868 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1870 * fold-const.c (fold_comparison): Only call fold_inf_compare
1871 if the mode supports infinities.
1873 2009-03-11 Jason Merrill <jason@redhat.com>
1875 PR debug/39086
1876 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1877 end already did. Notice GIMPLE_CALL modifications of the result.
1878 Don't copy debug information from an ignored decl or a decl from
1879 another function.
1881 2009-03-10 Richard Guenther <rguenther@suse.de>
1882 Nathan Froyd <froydnj@codesourcery.com>
1884 PR middle-end/37850
1885 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1886 (__divMODE3): Likewise.
1888 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1890 PR tree-optimization/39394
1891 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1892 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1894 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1896 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1897 inline asms for register asm ("") declarations.
1899 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1901 * fold-const.c (fold_unary): Fix comment.
1903 2009-03-07 Jan Hubicka <jh@suse.cz>
1905 PR target/39361
1906 * tree-inline.c (setup_one_parameter): Do replacement of const
1907 argument by constant in SSA form.
1909 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1911 PR middle-end/38028
1912 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1913 determine alignment passed to assign_stack_local.
1914 (assign_parms_unsplit_complex): Likewise.
1915 * except.c (sjlj_build_landing_pads): Likewise.
1917 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1919 PR middle-end/39360
1920 * tree-flow.h (add_referenced_var): Return bool instead of void.
1921 * tree-dfa.c (add_referenced_var): Return result of
1922 referenced_var_check_and_insert call.
1923 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1924 of referenced_var_check_and_insert.
1926 PR debug/39372
1927 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1928 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1929 DIE, don't emit it if abstract origin already has it.
1930 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1931 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1933 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1935 * genpreds.c (needs_variable): Fix parentheses at variable name
1936 detection.
1937 (write_tm_constrs_h): Indent generated code.
1939 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1941 * doc/extend.texi (Function Attributes): Add documentation
1942 for isr attributes.
1944 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1946 PR debug/39387
1947 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1948 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1950 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1952 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1953 the loop as bad.
1955 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1957 PR debug/39379
1958 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1959 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1961 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1963 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1964 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1965 constants instead of magic numbers.
1966 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1967 (QI_REG_P): Ditto.
1968 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1969 (x86_64_ms_abi_int_parameter_registers): Ditto.
1970 (x86_64_int_return_registers): Ditto.
1971 (ix86_maybe_switch_abi): Ditto.
1972 (ix86_expand_call): Ditto for clobbered_registers array.
1973 (ix86_hard_regno_mode_ok): Ditto.
1974 (x86_extended_QIreg_mentioned_p): Ditto.
1976 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1978 PR tree-optimization/39349
1979 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1981 * combine.c (gen_lowpart_for_combine): Use omode when generating
1982 clobber.
1984 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1986 PR rtl-optimization/39235
1987 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1989 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1991 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1993 2009-03-04 Richard Guenther <rguenther@suse.de>
1995 PR tree-optimization/39362
1996 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1997 that occur in abnormal PHIs should be varying.
1999 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2001 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2002 Extend comments.
2003 (simple_iv): Take loop as an argument instead of statement.
2004 * tree-scalar-evolution.h (simple_iv): Declaration changed.
2005 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2006 to simple_iv.
2007 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2008 Ditto.
2009 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2010 * matrix-reorg.c (analyze_transpose): Ditto.
2011 * tree-data-ref.c (dr_analyze_innermost): Ditto.
2012 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2013 * tree-predcom.c (ref_at_iteration): Ditto.
2014 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2016 2009-03-04 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/39358
2019 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2020 escaped_id and callused_id.
2021 (solve_graph): Likewise.
2023 2009-03-04 Richard Guenther <rguenther@suse.de>
2025 PR tree-optimization/39339
2026 * tree-sra.c (try_instantiate_multiple_fields): Make it
2027 no longer ICE on the above.
2029 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2031 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2032 that fits within Pmode.
2034 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2036 PR middle-end/10109
2037 * tm.texi (LIBCALL_VALUE): Update description.
2039 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2041 PR middle-end/34443
2042 * doc/extend.texi (section): Update description.
2044 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2046 PR middle-end/39345
2047 * tree-inline.c (remapped_type): New.
2048 (can_be_nonlocal): Call remapped_type instead of remap_type.
2050 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2052 PR fortran/39354
2053 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2054 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2056 2009-03-03 Richard Guenther <rguenther@suse.de>
2058 PR middle-end/39272
2059 * tree.c (tree_nonartificial_location): New function.
2060 * tree.h (tree_nonartificial_location): Declare.
2061 * builtins.c (expand_builtin_memory_chk): Provide location
2062 of the call location for artificial function pieces.
2063 (maybe_emit_chk_warning): Likewise.
2064 (maybe_emit_sprintf_chk_warning): Likewise.
2065 (maybe_emit_free_warning): Likewise.
2066 * expr.c (expand_expr_real_1): Likewise.
2068 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2070 PR tree-optimization/39343
2071 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2072 COMPONENT_REF t has ARRAY_TYPE.
2074 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2076 PR middle-end/39335
2077 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2078 when the type precision of the induction variable should be
2079 larger than the type precision of nit.
2080 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2081 * graphite.c (graphite_loop_normal_form): Same.
2082 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2084 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2086 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2087 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2088 numbers to describe clobbered registers.
2089 (*call_value_0_rex64_ms_sysv): Ditto.
2090 * config/i386/mmx.md (mmx_emms): Ditto.
2091 (mmx_femms): Ditto.
2093 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2095 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2096 of ABI_64.
2098 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2100 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2101 (spu_section_type_flags): New function.
2103 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2105 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2106 reg_class_contents of FLOAT_REGS into a temporary.
2108 2009-03-02 Richard Guenther <rguenther@suse.de>
2109 Ira Rosen <irar@il.ibm.com>
2111 PR tree-optimization/39318
2112 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2113 information to the vectorized statement.
2115 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2117 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2118 variable. Use defined names instead of magic constants for REX SSE
2119 registers.
2121 2009-03-01 Richard Guenther <rguenther@suse.de>
2123 PR tree-optimization/39331
2124 * omp-low.c (lower_send_shared_vars): Do not receive new
2125 values for the reference of DECL_BY_REFERENCE parms or results.
2127 2009-03-01 Jan Hubicka <jh@suse.cz>
2129 PR debug/39267
2130 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2131 BLOCK_NONLOCALIZED_VAR): New macros.
2132 (tree_block): Add nonlocalized_vars.
2133 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2134 gen_decl_die): Add origin argument. Allow generation of die with
2135 origin at hand only.
2136 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2137 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2138 of gen_*.
2139 (gen_block_die): Fix checking for unused blocks.
2140 (process_scope_var): Break out from .... ; work with origins only.
2141 (decls_for_scope) ... here; process nonlocalized list.
2142 (dwarf2out_ignore_block): Look for nonlocalized vars.
2143 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2144 vars.
2145 (dump_scope_block): Dump them.
2146 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2147 (remap_block): Likewise.
2148 (can_be_nonlocal): New predicate.
2149 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2151 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2153 * configure: Regenerate.
2155 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2157 * optc-gen.awk: No need to duplicate option flags twice.
2158 Reuse help texts for duplicate options which do not have any.
2160 * gcc.c (display_help): Document --version.
2162 * gcc.c (main): If print_help_list and verbose_flag, ensure
2163 driver output comes before subprocess output.
2165 * optc-gen.awk: Assign all remaining fields to help string,
2166 space-separated, for multi-line help in *.opt.
2168 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2169 -Wno-pedantic-ms-format is for MinGW targets only.
2171 * doc/options.texi (Option file format): Fix bad indentation,
2172 restoring dropped sentence.
2174 2009-02-28 Jan Hubicka <jh@suse.cz>
2176 * tree-inline.c (tree_function_versioning): Output debug info.
2178 2009-02-28 Jan Hubicka <jh@suse.cz>
2180 PR debug/39267
2181 * tree-inline.c (setup_one_parameter): Do not copy propagate
2182 arguments when not optimizing.
2184 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2186 PR target/39327
2187 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2188 (avx_addsubv4df3): Likewise.
2189 (*avx_addsubv4sf3): Likewise.
2190 (sse3_addsubv4sf3): Likewise.
2191 (*avx_addsubv2df3): Likewise.
2192 (sse3_addsubv2df3): Likewise.
2193 (avx_unpckhps256): Correct item selectors.
2194 (avx_unpcklps256): Likewise.
2195 (avx_unpckhpd256): Likewise.
2196 (avx_unpcklpd256): Likewise.
2198 2009-02-28 Jan Hubicka <jh@suse.cz>
2200 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2201 static vars.
2202 (copy_arguments_for_versioning): If var is declared don't declare it.
2203 (tree_function_versioning): First setup substitutions and then copy
2204 args.
2206 2009-02-27 Jan Hubicka <jh@suse.cz>
2208 PR debug/39267
2209 * cgraph.h (varpool_output_debug_info): Remove.
2210 * cgraphunit.c (varpool_output_debug_info): Remove.
2211 * dwarf2out.c (deferred_locations_struct): New struct
2212 (deferred_locations): New type.
2213 (deferred_locations_list): New static var.
2214 (deffer_location): New function.
2215 (gen_variable_die): Use it.
2216 (decls_for_scope): Output info on local static vars.
2217 (dwarf2out_finish): Process deferred locations.
2218 * varpool.c (varpool_output_debug_info): Remove.
2220 2009-02-27 Jan Hubicka <jh@suse.cz>
2222 PR debug/39267
2223 * tree.h (TREE_PROTECTED): Fix comment.
2224 (BLOCK_HANDLER_BLOCK): Remove.
2225 (struct tree_block): Remove handler_block add body_block.
2226 (inlined_function_outer_scope_p): New.
2227 (is_body_block): Remove.
2228 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2229 * dwarf2out.c (is_inlined_entry_point): Remove.
2230 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2231 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2232 code.
2233 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2234 * gimplify.c (gimplify_expr): Gimplify body blocks.
2235 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2236 block with multiple subblocks.
2237 (dump_scope_block): Prettier output; dump more flags and info.
2238 (dump_scope_blocks): New.
2239 (remove_unused_locals): Use dump_scope_blocks.
2240 * tree-flow.h (dump_scope_blocks): Declare.
2241 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2242 * stmt.c (is_body_block): Remove.
2243 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2244 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2246 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2248 PR middle-end/39308
2249 * graphite.c (graphite_loop_normal_form): Do not call
2250 number_of_iterations_exit from a gcc_assert.
2252 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2254 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2255 jumps if COND is NULL.
2256 (find_cond_jump): New function.
2257 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2258 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2260 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2262 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2263 force_const_mem returns NULL_RTX.
2265 2009-02-26 Jan Hubicka <jh@suse.cz>
2267 PR debug/39267
2268 * cgraph.h (varpool_output_debug_info): Remove.
2269 * cgraphunit.c (varpool_output_debug_info): Remove.
2270 * dwarf2out.c (deferred_locations_struct): New struct
2271 (deferred_locations): New type.
2272 (deferred_locations_list): New static var.
2273 (deffer_location): New function.
2274 (gen_variable_die): Use it.
2275 (decls_for_scope): Output info on local static vars.
2276 (dwarf2out_finish): Process deferred locations.
2277 * varpool.c (varpool_output_debug_info): Remove.
2279 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2281 PR rtl-optimization/39241
2282 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2283 to subreg_offset_representable_p.
2285 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2287 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2288 execute function prototype. Get f and nregs from max_reg_num
2289 and get_insns. Remove the first backward pass as it's dead,
2290 guard the forward pass by flag_expensive_optimizations.
2291 (rest_of_handle_regmove): Delete.
2292 (pass_regmove): Replace it with regmove_optimize.
2294 2009-02-25 Martin Jambor <mjambor@suse.cz>
2296 PR tree-optimization/39259
2297 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2298 calls_alloca function flags.
2299 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2300 calls are detected.
2302 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2304 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2305 flags_set_1_rtx, flags_set_1_set): Delete.
2306 (regmove_optimize): Do not call mark_flags_life_zones.
2308 2009-02-24 Julian Brown <julian@codesourcery.com>
2310 PR target/35965
2311 * config/arm/arm.c (require_pic_register): Only set
2312 cfun->machine->pic_reg once per function.
2314 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2316 * doc/invoke.texi (Link Options): Document an easier way to pass
2317 options that take arguments to the GNU linker using -Xlinker and -Wl.
2319 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2321 PR target/33785
2322 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2324 2009-02-24 Richard Guenther <rguenther@suse.de>
2326 PR debug/39285
2327 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2329 2009-02-24 Richard Guenther <rguenther@suse.de>
2330 Zdenek Dvorak <ook@ucw.cz>
2332 PR tree-optimization/39233
2333 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2334 from converting them to a generic type.
2336 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2338 PR tree-optimization/39260
2339 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2340 contains a condition with a real type.
2341 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2343 2009-02-23 Jason Merrill <jason@redhat.com>
2345 PR c++/38880
2346 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2347 narrowing_initializer_constant_valid_p.
2348 (narrowing_initializer_constant_valid_p): Don't return
2349 null_pointer_node for adding a pointer to itself.
2351 2009-02-23 Jan Hubicka <jh@suse.cz>
2353 PR c/12245
2354 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2355 resizing.
2357 2009-02-23 Jan Hubicka <jh@suse.cz>
2359 PR tree-optimization/37709
2360 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2361 * tree.h (block_ultimate_origin): Declare.
2362 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2363 * tree-ssa-live.c (remove_unused_scope_block_p):
2364 Eliminate blocks containig no instructions nor live variables nor
2365 nested blocks.
2366 (dump_scope_block): New function.
2367 (remove_unused_locals): Enable removal of dead blocks by default;
2368 enable dumping at TDF_DETAILS.
2370 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2372 * config/i386/i386.c (classify_argument): Don't allow COImode
2373 and OImode.
2374 (function_arg_advance_32): Don't allow OImode.
2375 (function_arg_32): Likewise.
2376 (function_value_32): Likewise.
2377 (return_in_memory_32): Likewise.
2378 (function_arg_64): Remove OImode comment.
2380 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2382 PR target/39261
2383 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2384 ix86_expand_vector_set for V4DImode in 64bit mode only.
2385 (ix86_expand_vector_init_one_var): Likewise.
2387 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2389 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2391 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2393 PR bootstrap/39257
2394 * loop-iv.c: Revert last change.
2395 * emit-rtl.c: Likewise.
2397 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2399 PR target/39256
2400 * config/i386/i386.c (type_natural_mode): Remove an extra
2401 space in the warning message.
2402 (function_value_32): Handle 32-byte vector modes.
2403 (return_in_memory_32): Likewise.
2405 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2407 * loop-iv.c (truncate_value): New function.
2408 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2409 of lowpart_subreg.
2410 (lowpart_subreg): Move to...
2411 * emit-rtl.c: ...here.
2413 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2415 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2416 accidental and undocumented change at revision 140860.
2418 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2420 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2421 take gimple_seq * arguments.
2422 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2423 types_compatible_p langhook.
2425 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2426 Joseph Myers <joseph@codesourcery.com>
2428 * config/arm/arm.c (arm_builtin_va_list): New function.
2429 (arm_expand_builtin_va_start): Likewise.
2430 (arm_gimplify_va_arg_expr): Likewise.
2431 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2432 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2433 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2434 (va_list_type): New variable.
2435 (arm_mangle_type): Mangle va_list_type appropriately.
2437 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2439 PR middle-end/39157
2440 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2441 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2442 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2443 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2444 parameter to 1000 for -O1 by default.
2445 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2446 parameter.
2447 * loop-invariant.c: Include params.h.
2448 (move_loop_invariants): Don't call move_single_loop_invariants on
2449 very large loops.
2451 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2453 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2454 offset when calculating bounds for indexing stack_usage_map. Fixes
2455 a buffer overflow with certain target setups.
2457 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2459 PR target/39240
2460 * calls.c (expand_call): Clear try_tail_call if caller and callee
2461 disagree in promotion of function return value.
2463 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2465 PR target/39175
2466 * c-common.c (c_determine_visibility): If visibility changed and
2467 DECL_RTL has been already set, call make_decl_rtl to update symbol
2468 flags.
2470 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2472 PR c++/39188
2473 * varasm.c (assemble_variable): Don't check DECL_NAME when
2474 globalizing a variable.
2476 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2478 PR c/38483
2479 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2480 expression before any __builtin_trap call.
2481 * c-typeck.c (build_function_call): Convert and check function
2482 arguments before generating a call to a trap. Evaluate the
2483 function arguments before the trap.
2485 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2487 PR target/39228
2488 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2489 (UNSPEC_FXAM_MEM): New unspec.
2490 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2491 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2492 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2494 2009-02-19 Richard Guenther <rguenther@suse.de>
2496 PR tree-optimization/39207
2497 PR tree-optimization/39074
2498 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2499 storedanything_tree): New.
2500 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2501 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2502 (build_succ_graph): Add edges from STOREDANYTHING to all
2503 non-direct nodes.
2504 (init_base_vars): Initialize STOREDANYTHING.
2505 (compute_points_to_sets): Free substitution info after
2506 building the succ graph.
2507 (ipa_pta_execute): Likewise.
2509 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2510 field.
2511 (do_ds_constraint): Do not add to special var or non-pointer
2512 field solutions.
2513 (type_could_have_pointers): Split out from ...
2514 (could_have_pointers): ... here. For arrays use the element type.
2515 (create_variable_info_for): Initialize may_have_pointers.
2516 (new_var_info): Likewise.
2517 (handle_lhs_call): Make the HEAP variable unknown-sized.
2518 (intra_create_variable_infos): Use a type with pointers for
2519 PARM_NOALIAS, make it unknown-sized.
2521 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2523 PR target/39224
2524 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2526 2009-02-18 Jason Merrill <jason@redhat.com>
2528 PR target/39179
2529 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2530 value if DECL_EXTERNAL.
2531 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2532 * target.h (gcc_target::binds_local_p): Clarify "module".
2533 * tree.h (TREE_PUBLIC): Clarify "module".
2535 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2537 PR target/38891
2538 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2539 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2541 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2543 PR target/39082
2544 * c.opt (Wabi): Support C and ObjC.
2545 (Wpsabi): New.
2547 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2549 * config/i386/i386.c (classify_argument): Warn once about the ABI
2550 change when passing union with long double.
2552 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2554 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2556 PR c/35447
2557 * c-parser.c (c_parser_compound_statement): Always enter and leave
2558 a scope.
2560 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2562 PR target/34587
2563 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2565 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2567 PR tree-optimization/36922
2568 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2569 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2570 Likewise.
2572 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2574 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2575 to 0 for EABI64.
2577 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2579 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2581 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2583 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2584 tree sharing.
2586 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2587 Richard Sandiford <rdsandiford@googlemail.com>
2589 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2590 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2591 (loongson_biadd): ...this.
2593 2009-02-17 Richard Guenther <rguenther@suse.de>
2595 PR tree-optimization/39202
2596 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2597 a var make sure to follow existing collapses.
2599 2009-02-17 Richard Guenther <rguenther@suse.de>
2601 PR middle-end/39214
2602 * langhooks.c (lhd_print_error_function): Check for NULL block.
2604 2009-02-17 Richard Guenther <rguenther@suse.de>
2606 PR tree-optimization/39204
2607 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2608 of the PHI arg.
2610 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2612 * config/soft-fp/double.h: Update from glibc CVS.
2614 2009-02-17 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/39207
2617 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2618 strict-aliasing warnings for pointers pointing to NULL.
2620 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2622 PR c/35446
2623 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2624 skipping until next close brace.
2626 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2628 PR target/37049
2629 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2630 to function argument boundary.
2632 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2634 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2635 in the lea_add. Reload eventually constraints it properly.
2636 * config/picochip/constraints.md : Remove the target constraint
2637 "b", since it is not needed anymore.
2639 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2641 * gthr-dce.h: Uglify function parameter and local variable names.
2642 * gthr-gnat.h: Likewise.
2643 * gthr-mipssde.h: Likewise.
2644 * gthr-nks.h: Likewise.
2645 * gthr-posix95.h: Likewise.
2646 * gthr-posix.h: Likewise.
2647 * gthr-rtems.h: Likewise.
2648 * gthr-single.h: Likewise.
2649 * gthr-solaris.h: Likewise.
2650 * gthr-tpf.h: Likewise.
2651 * gthr-vxworks.h: Likewise.
2652 * gthr-win32.h: Likewise.
2654 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2656 PR target/39196
2657 * config/i386/i386.md: Restrict the new peephole2 to move
2658 between MMX/SSE registers.
2660 2009-02-15 Richard Guenther <rguenther@suse.de>
2662 Revert
2663 2009-02-13 Richard Guenther <rguenther@suse.de>
2665 * configure.ac: Enable LFS.
2666 * configure: Re-generate.
2667 * config.in: Likewise.
2669 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2671 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2672 spu_srqwbyte, spu_srqwbytebc): Define.
2673 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2674 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2675 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2676 "shrqby_<mode>"): New insn-and-split patterns.
2677 * config/spu/spu.c (expand_builtin_args): Determine and return
2678 number of operands using spu_builtin_description data.
2679 (spu_expand_builtin_1): Use it.
2681 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2683 PR target/38056
2684 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2685 TARGET_CONST_GP.
2687 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2689 PR target/39149
2690 * config/i386/i386.c (override_options): Correct warning
2691 messages for -malign-loops, -malign-jumps and -malign-functions.
2693 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2695 PR target/39152
2696 * config/i386/i386.md: Restrict the new peephole2 to move
2697 between the general purpose registers.
2699 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2701 PR target/39162
2702 * config/i386/i386.c (type_natural_mode): Add a new argument.
2703 Return the original mode and warn ABI change if vector size is 32byte.
2704 (function_arg_advance): Updated.
2705 (function_arg): Likewise.
2706 (ix86_function_value): Likewise.
2707 (ix86_return_in_memory): Likewise.
2708 (ix86_sol10_return_in_memory): Likewise.
2709 (ix86_gimplify_va_arg): Likewise.
2710 (function_arg_32): Don't warn ABX ABI change here.
2711 (function_arg_64): Likewise.
2713 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2715 * loop-iv.c (implies_p): In the final case, test that operands 0
2716 of the two comparisons match.
2718 * config/bfin/bfin.c (find_prev_insn_start): New function.
2719 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2720 (find_next_insn_start): Move.
2722 2009-02-13 Richard Guenther <rguenther@suse.de>
2724 * configure.ac: Enable LFS.
2725 * configure: Re-generate.
2726 * config.in: Likewise.
2728 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2730 PR c/35444
2731 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2732 sizes on syntax error after some arguments have been parsed.
2734 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2736 * doc/invoke.texi (-fira): Remove.
2738 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2740 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2741 * recog.c: Likewise.
2742 * rtl.h: Likewise.
2744 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2746 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2747 (umul_ppmm): Likewise.
2748 (count_leading_zeros): Likewise.
2749 (count_trailing_zeros): Likewise.
2750 (UMUL_TIME): Likewise.
2752 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2754 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2755 soft-fp/t-softfp to tmake_file.
2757 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2758 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2759 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2760 IA64_BUILTIN_INFQ]: New.
2761 (ia64_init_builtins): Initialize __builtin_infq,
2762 __builtin_fabsq and __builtin_copysignq if not HPUX.
2763 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2764 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2766 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2767 SHARED is defined.
2768 (__fixtfti): Likewise.
2769 (__fixunstfti): Likewise.
2770 (__floattitf): Likewise.
2772 * config/ia64/libgcc-glibc.ver: New.
2773 * config/ia64/t-fprules-softfp: Likewise.
2774 * config/ia64/sfp-machine.h: Likewise.
2776 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2777 (LIBGCC2_TF_CEXT): Likewise.
2778 (TF_SIZE): Likewise.
2779 (TARGET_INIT_LIBFUNCS): Likewise.
2781 * config/ia64/t-glibc (SHLINB_MAPFILES):
2782 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2784 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2786 * config/i386/i386.c (construct_container): Rewrite processing
2787 BLKmode with X86_64_SSE_CLASS.
2789 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2791 PR target/39152
2792 * config/i386/i386.md: Replace simplify_replace_rtx with
2793 replace_rtx in the new peephole2.
2795 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2797 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2798 loop unrolling do not happen at -O2.
2800 2009-02-12 Michael Matz <matz@suse.de>
2802 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2804 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2806 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2807 for -g3.
2809 2009-02-12 Ben Elliston <bje@au.ibm.com>
2811 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2812 patterns when updating the back chain. Missed in the 2009-02-10
2813 change.
2815 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2817 * doc/extend.texi (Decimal Floating Types): Update identifier of
2818 draft TR and list of missing support.
2820 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2822 PR middle-end/39154
2823 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2824 bit to variable length decl's flags, add it also to its
2825 pointer replacement variable.
2827 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2828 Jakub Jelinek <jakub@redhat.com>
2830 PR target/39118
2831 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2832 (memory_blockage): New expander.
2833 (*memory_blockage): New insn pattern.
2834 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2835 instead of general blockage at the end of function prologue when
2836 frame pointer is used to access red zone area. Do not emit blockage
2837 when profiling, it is emitted in generic code.
2838 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2839 function epilogue when frame pointer is used to access red zone area.
2841 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2843 PR target/38824
2844 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2845 by arithmetic with memory operands.
2846 * config/i386/predicates.md (commutative_operator): New.
2848 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2850 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2851 bulleted lists.
2853 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2855 * alias.h (record_alias_subset): Declare.
2856 * alias.c (record_alias_subset): Make global.
2858 2009-02-10 Nick Clifton <nickc@redhat.com>
2860 * tree-parloops.c: Change license to GPLv3.
2861 * ipa-struct-reorg.c: Change license to GPLv3.
2862 * ipa-struct-reorg.h: Change license to GPLv3.
2864 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2866 PR c/39084
2867 * c-decl.c (start_struct): Return NULL on error.
2869 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2871 PR middle-end/39124
2872 * cfgloopmanip.c (remove_path): Call remove_bbs after
2873 cancel_loop_tree, not before it.
2875 PR target/39139
2876 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2877 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2878 VAR_DECLs were seen.
2879 * tree-ssa-live.c (remove_unused_locals): Recompute
2880 cfun->has_local_explicit_reg_vars.
2881 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2882 copies or clearings if cfun->has_local_explicit_reg_vars.
2884 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2886 PR target/39118
2887 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2888 of function prologue when frame pointer is used to access
2889 red zone area.
2891 2009-02-10 Richard Guenther <rguenther@suse.de>
2893 PR middle-end/39127
2894 * gimplify.c (gimple_regimplify_operands): Always look if
2895 we need to create a temporary.
2897 2009-02-10 Richard Guenther <rguenther@suse.de>
2899 PR tree-optimization/39132
2900 * tree-loop-distribution.c (todo): New global var.
2901 (generate_memset_zero): Trigger TODO_rebuild_alias.
2902 (tree_loop_distribution): Return todo.
2904 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2906 PR target/39119
2907 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2908 (x86_64_reg_class_name): Removed.
2909 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2910 first one isn't X86_64_SSE_CLASS or any other ones aren't
2911 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2912 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2913 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2914 and 3 X86_64_SSEUP_CLASS.
2915 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2916 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2918 2009-02-10 Ben Elliston <bje@au.ibm.com>
2920 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2921 form instruction to update the stack back chain word, even if the
2922 user has disabled the generation of update instructions.
2923 (movdi_<mode>_update_stack): New.
2924 (movsi_update_stack): Likewise.
2925 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2926 always use an update form instruction to update the stack back
2927 chain word.
2929 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2931 PR middle-end/38953
2932 * graphite.c (if_region_set_false_region): After moving a region in
2933 the false branch of a condition, remove the empty dummy basic block.
2934 (gloog): Remove wrong fix for PR38953.
2936 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2938 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2939 generation due to implicit sign extension.
2941 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2943 PR middle-end/38981
2944 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2945 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2947 2009-02-09 Richard Guenther <rguenther@suse.de>
2949 PR middle-end/35202
2950 * convert.c (convert_to_real): Disable (float)fn((double)x)
2951 to fnf(x) conversion if errno differences may occur and
2952 -fmath-errno is set.
2954 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2956 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2957 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2958 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2960 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2962 PR c/35434
2963 * c-common.c (handle_alias_attribute): Disallow attribute for
2964 anything not a FUNCTION_DECL or VAR_DECL.
2966 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2968 PR c/39035
2969 * real.c (do_compare): Special-case compare of zero against
2970 decimal float value.
2972 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2974 PR c/36432
2975 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2976 as indicating flexible array members unless the field itself is
2977 being declarared as the incomplete array.
2979 2009-02-06 Jan Hubicka <jh@suse.cz>
2981 PR tree-optimization/38844
2982 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2983 is already inlined.
2985 2009-02-06 Richard Guenther <rguenther@suse.de>
2987 PR middle-end/38977
2988 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2989 fork because we may expand it as __gcov_fork.
2991 2009-02-06 Nick Clifton <nickc@redhat.com>
2993 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2995 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2997 PR tree-optimization/35659
2998 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2999 vn_phi_eq): Shortcut if hashcode does not match.
3000 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3001 NULL operands.
3002 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3003 and avoid iterative_hash_expr.
3004 (FOR_EACH_VALUE_ID_IN_SET): New.
3005 (value_id_compare): Remove.
3006 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3007 sort expressions by value id.
3009 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
3011 PR target/38991
3012 * config/sh/predicates.md (general_movsrc_operand): Don't check
3013 the subreg of system registers here.
3015 2009-02-05 Jakub Jelinek <jakub@redhat.com>
3017 PR c++/39106
3018 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3019 on the copied decl.
3021 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3023 PR rtl-optimization/39110
3024 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3025 addresses, not aligned ones.
3027 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3028 Richard Guenther <rguenther@suse.de>
3030 PR tree-optimization/39100
3031 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3032 comment says and add edges.
3034 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3036 PR c/35435
3037 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3038 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3040 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3042 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3043 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3044 register_bb_in_sese, new_sese, free_sese): Moved.
3045 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3046 outermost_loop_in_scop, build_scop_iteration_domain,
3047 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3048 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3049 Use loop_in_sese_p instead of loop_in_scop_p.
3050 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3051 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3052 (scopdet_basic_block_info): Fix bug in scop detection.
3053 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3054 eq_loop_to_cloog_loop): Remove.
3055 (nb_loops_around_loop_in_scop, nb_loop
3056 ref_nb_loops): Moved here...
3057 * graphite.h (ref_nb_loops): ... from here.
3058 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3059 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3060 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3061 * testsuite/gcc.dg/graphite/scop-19.c: New
3063 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3064 Hans-Peter Nilsson <hp@axis.com>
3066 PR rtl-optimization/37889
3067 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3068 Move offset handling from PLUS to before the switch. Use new
3069 arguments when considering SYMBOL_REFs too.
3070 (rtx_addr_can_trap_p): Pass dummy offset and size.
3071 (enum may_trap_p_flags): Remove.
3072 (may_trap_p_1): Pass size from MEM_SIZE.
3074 PR rtl-optimization/38921
3075 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3076 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3077 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3078 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3080 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3082 AVX Programming Reference (January, 2009)
3083 * config/i386/sse.md (*vpclmulqdq): New.
3085 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3087 PR tree-optimization/38977
3088 PR gcov-profile/38292
3089 * calls.c (special_function_p): Disregard __builtin_ prefix.
3091 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3093 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3094 non-indexable addresses even before reload.
3096 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3098 PR c/29129
3099 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3100 as having variable size. Do not give an error for unnamed
3101 parameters with [*] declarators. Give a warning for type names
3102 with [*] declarators and mark them as variable size.
3103 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3104 for sizeof applied to [*] type names.
3106 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3108 PR C++/36607
3109 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3111 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3113 * gcc.c (process_command): Update copyright notice dates.
3114 * gcov.c (print_version): Likewise.
3115 * gcov-dump.c (print_version): Likewise.
3116 * mips-tfile.c (main): Likewise.
3117 * mips-tdump.c (main): Likewise.
3119 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3121 PR c/35433
3122 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3123 for composite type involving a zero-length array type.
3125 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3127 PR target/35318
3128 * function.c (match_asm_constraints_1): Skip over
3129 initial optional % in the constraint.
3131 PR inline-asm/39059
3132 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3133 supported, don't accept FIXED_CSTs.
3134 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3135 and _Sat is used without _Fract/_Accum. Set specs->type to
3136 integer_type_node for cts_fract/cts_accum if fixed point is not
3137 supported.
3139 2009-02-02 Catherine Moore <clm@codesourcery.com>
3141 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3143 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3145 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3146 (ABI_HAS_64BIT_SYMBOLS): Use it.
3147 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3149 2009-02-02 Paul Brook <paul@codesourcery.com>
3151 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3153 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3155 PR inline-asm/39058
3156 * recog.h (asm_operand_ok): Add constraints argument.
3157 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3158 recurse on matching constraint.
3159 (check_asm_operands): Pass constraints as 3rd argument to
3160 asm_operand_ok. Don't look up matching constraint here.
3161 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3162 to asm_operand_ok.
3164 2009-02-02 Ben Elliston <bje@au.ibm.com>
3166 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3167 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3169 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3171 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3172 information. Remove some obsolete information. Reorganize.
3174 * config/pa/fptr.c: Revert license to GPL 2.
3175 * config/pa/milli64.S: Likewise.
3177 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3179 PR target/38904
3180 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3181 LIBRARY name in, instead of hard-coding it.
3182 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3183 extra target make frag to tmake_files according to EH model.
3184 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3185 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3186 frags that define makefile variable EH_MODEL appropriately.
3187 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3188 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3189 to "-sjlj" according to type of EH configured.
3190 (LIBGCC_SONAME): Concatenate it to shared library base name.
3191 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3192 to "_sjlj" according to type of EH configured.
3193 (LIBGCC_SONAME): Concatenate it to shared library base name.
3194 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3195 (SHLIB_LINK): Add missing semicolon to if-else construct.
3196 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3197 string value of "pe_dll" command-line option.
3198 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3199 (SHLIB_SONAME): Use it when overriding t-cygming default.
3200 (SHLIB_IMPLIB): Override t-cygming default.
3201 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3202 string value of "pe_dll" command-line option.
3204 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3206 PR target/38952
3207 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3208 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3210 2009-01-31 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/38937
3213 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3214 computing the transitive closure.
3216 2009-01-30 Richard Guenther <rguenther@suse.de>
3218 PR tree-optimization/39041
3219 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3220 Propagate variable indices only if the types match for this stmt.
3222 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3224 PR target/39013
3225 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3226 inline but never defined.
3228 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3230 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3231 (*insv_h_di_reg_extimm): New insn.
3232 (*insv_l<mode>_reg_extimm): New insn.
3234 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3236 * config/picochip/picochip.c (flag_conserve_stack): set
3237 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3238 fconserve-stack. Reduce call-overhead used by inliner.
3240 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3242 PR/38157
3243 * common.opt (flag_conserve_stack): Initialised to zero.
3245 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3247 PR/39002
3248 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3249 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3250 method.
3252 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3254 * ira-color.c (allocno_reload_assign): Update comments.
3255 * regmove.c (regmove_optimize): Likewise.
3257 * ra.h: Removed.
3259 2009-01-29 Robert Millan <rmh@aybabtu.com>
3261 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3262 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3263 `MD_UNWIND_SUPPORT'.
3264 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3266 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3268 PR tree-optimization/39007
3269 * tree-loop-distribution.c (generate_builtin): Use
3270 recompute_dominator to compute the immediate dominator of the
3271 basic block just after the loop.
3273 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3275 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3276 (ASM_OUTPUT_DWARF_PCREL): Define.
3278 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3280 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3281 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3282 global. Modify entries about regmove and IRA.
3284 * ra-conflict.c: Remove the file.
3286 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3288 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3289 (pass_regclass_init): Rename to pass_reginfo_init.
3291 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3293 * toplev.h (flag_ira): Remove.
3295 * caller-save.c (setup_save_areas): Remove flag_ira.
3297 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3299 * global.c: Remove the file.
3301 * opts.c (decode_options): Remove flag_ira.
3303 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3305 * regmove.c: Modify file description.
3306 (find_use_as_address, try_auto_increment): Define them only if
3307 AUTO_INC_DEC is defined.
3308 (replacement_quality, replace_in_call_usage, fixup_match_1,
3309 stable_and_no_regs_but_for_p): Remove.
3310 (reg_set_in_bb): Make it static.
3311 (regmove_optimize): Remove flag_ira and code which worked for
3312 !flag_ira.
3314 * local-alloc.c: Remove the file.
3316 * common.opt (fira): Remove.
3318 * ira.c: Include except.h.
3319 (eliminable_regset): Move from global.c.
3320 (mark_elimination): Ditto. Remove flag_ira.
3321 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3322 equiv_mem_modified, validate_equiv_mem_from_store,
3323 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3324 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3325 no_equiv, recorded_label_ref): Move from local-alloc.c.
3326 (update_equiv_regs): Ditto. Make it static.
3327 (print_insn_chain, print_insn_chains): Move it from global.c.
3328 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3329 (build_insn_chain): Ditto. Make it static.
3330 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3331 Rename to init_live_subregs.
3332 (gate_ira): Remove flag_ira.
3334 * regclass.c: Rename reginfo.c. Change file description.
3335 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3336 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3337 (init_reg_sets_1): Remove code for evaluation of
3338 reg_class_superclasses and losing_caller_save_reg_set.
3339 (init_regs): Remove init_reg_autoinc.
3340 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3341 ok_for_base_p_nonstrict): Remove.
3342 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3343 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3344 corresponding entries.
3345 (dump_regclass, record_operand_costs, scan_one_insn,
3346 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3347 record_address_regs, auto_inc_dec_reg_p): Remove.
3348 (gt-regclass.h): Rename to gt-reginfo.h.
3350 * rtl.h (dump_global_regs, retry_global_alloc,
3351 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3353 * Makefile.in (RA_H): Remove.
3354 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3355 Rename regclass.o to reginfo.o.
3356 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3357 gt-reginfo.h.
3358 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3359 (GTFILES): Rename regclass.c to reginfo.c.
3361 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3362 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3364 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3365 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3366 Remove flag_ira.
3367 (finish_spills): Ditto. Remove code for !flag_ira.
3369 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3371 PR middle-end/35854
3372 * doc/invoke.texi (rtl debug options): Complete rewrite.
3373 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3374 to auto_inc_dec".
3375 * mode-switching.c (pass_mode_switching): Rename pass from
3376 "mode-sw" to "mode_sw".
3377 * except.c (pass_convert_to_eh_ranges): Rename pass from
3378 "eh-ranges" to "eh_ranges".
3379 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3380 to "subreg1".
3383 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3384 Alexander Monakov <amonakov@ispras.ru>
3386 PR middle-end/38857
3387 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3388 register.
3389 (move_exprs_to_boundary): Change return type and pass through
3390 should_move from move_op. Relax assert. Update usage ...
3391 (schedule_expr_on_boundary): ... here. Use should_move instead of
3392 cant_move.
3393 (move_op_orig_expr_found): Indicate that insn was disconnected from
3394 stream.
3395 (code_motion_process_successors): Do not call after_merge_succs
3396 callback if original expression was not found when traversing any of
3397 the branches.
3398 (code_motion_path_driver): Change return type. Update prototype.
3399 (move_op): Update comment. Add a new parameter (should_move). Update
3400 prototype. Set *should_move based on indication provided by
3401 move_op_orig_expr_found.
3403 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3405 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3406 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3407 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3408 * config/rs6000/rs6000.c (rs6000_override_options): Default
3409 avoid-indexed-addresses on for Power6, off for everything else.
3410 (avoiding_indexed_address_p): New function.
3411 (rs6000_legitimize_address): Use it.
3412 (rs6000_legitimate_address): Likewise.
3413 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3415 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3417 PR tree-optimization/38997
3418 * tree-loop-distribution.c (generate_memset_zero): Use
3419 POINTER_PLUS_EXPR for a pointer addition.
3421 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3423 * config/s390/s390.md (bswap<mode>2): New pattern added.
3425 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3427 * config/s390/s390.md (*tls_load_31): Added type attribute.
3429 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3431 * config/s390/s390.md: Fix a few comments.
3433 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3435 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3436 (*tm<mode>_full): Fixed z10prop attribute.
3437 (*tst<mode>_extimm): Fixed z10prop attribute.
3438 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3439 (*tstqiCCT_cconly): Fixed z10prop attribute.
3440 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3441 (*movsi_larl): Fixed z10prop attribute.
3442 (*movsi_zarch): Fixed z10prop attribute.
3443 (*movsi_eas): Fixed z10prop attribute.
3444 (*movhi): Fixed z10prop attribute.
3445 (*movqi): Fixed z10prop attribute.
3446 (*movstrictqi): Fixed z10prop attribute.
3447 (*mov<mode>): Fixed z10prop attribute.
3448 (*movcc): Fixed z10prop attribute.
3449 (*sethighpartdi_64): Fixed z10prop attribute.
3450 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3451 (*negdi2_sign_cc): Fixed z10prop attribute.
3452 (*negdi2_sign): Fixed z10prop attribute.
3453 (*absdi2_sign_cc): Fixed z10prop attribute.
3454 (*absdi2_sign): Fixed z10prop attribute.
3455 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3456 (*negabsdi2_sign): Fixed z10prop attribute.
3457 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3458 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3459 (doloop_si64): Fixed z10prop attribute.
3460 (doloop_si31): Fixed z10prop attribute.
3461 (doloop_long): Fixed z10prop attribute.
3462 (indirect_jump): Fixed z10prop attribute.
3463 (nop): Fixed z10prop attribute.
3464 (main_base_64): Fixed z10prop attribute.
3465 (reload_base_64): Fixed z10prop attribute.
3467 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3469 PR rtl-optimization/38740
3470 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3471 if !optimize.
3472 * config/mips/mips.c (mips_reorg): Likewise.
3474 2009-01-28 Richard Guenther <rguenther@suse.de>
3476 PR tree-optimization/38926
3477 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3478 with the correct value id to a value.
3479 (do_regular_insertion): Use the value number of edoubleprime
3480 for the value number of the expr.
3482 Revert
3483 2008-08-21 Richard Guenther <rguenther@suse.de>
3485 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3486 a PHI ask VN if it is already available.
3487 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3488 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3490 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3492 PR middle-end/38934
3493 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3494 set to varying whenever max has TREE_OVERFLOW set, similarly
3495 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3497 2009-01-28 Richard Guenther <rguenther@suse.de>
3499 PR middle-end/38908
3500 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3501 uninitialized aggregate uses in call arguments.
3503 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3505 PR tree-optimization/38984
3506 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3507 the nothing_id variable if -fno-delete-null-pointer-checks.
3509 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3511 PR target/38988
3512 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3513 (set_got_offset_rex64): Ditto.
3515 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3517 PR target/38941
3518 * doc/extend.texi: Improve local variable with asm reg.
3520 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3522 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3523 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3524 was not supplied then set warn_packed_bitfield_compat to the
3525 default value of 1.
3526 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3527 against 1.
3529 2009-01-27 Richard Guenther <rguenther@suse.de>
3531 PR tree-optimization/38503
3532 * cfgexpand.c (expand_gimple_basic_block): Ignore
3533 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3534 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3535 variables that cannot have TBAA applied.
3536 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3537 statements.
3539 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3541 PR middle-end/38969
3542 * calls.c (initialize_argument_information): Do not wrap complex
3543 arguments in SAVE_EXPR.
3545 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3547 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3548 (INSTALL_LIBGCC): Revert typo commit.
3550 2009-01-26 Richard Guenther <rguenther@suse.de>
3552 PR tree-optimization/38745
3553 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3554 from special handling.
3556 2009-01-26 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/38745
3559 * tree-ssa.c (execute_update_addresses_taken): Do not include
3560 variables that cannot possibly be a register in not_reg_needs.
3561 Do not clear TREE_ADDRESSABLE on vars that may not become
3562 registers.
3563 * tree-ssa.c (update_alias_info_1): Include those in the set
3564 of addressable vars.
3566 2009-01-26 Richard Guenther <rguenther@suse.de>
3568 PR middle-end/38851
3569 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3570 * tree-ssa-dse.c: Include langhooks.h
3571 (execute_simple_dse): Remove stores with zero size.
3573 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3575 PR c/38957
3576 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3577 as PLUS_EXPR.
3579 2009-01-24 Julian Brown <julian@codesourcery.com>
3581 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3582 config/arm/linux-atomic.c.
3583 * config/arm/linux-atomic.c: New.
3585 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3587 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3588 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3589 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3591 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3593 PR c/38938
3594 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3595 properly.
3597 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3599 PR tree-optimization/38953
3600 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3601 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3602 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3603 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3604 changed the CFG.
3606 2009-01-24 Paul Brook <paul@codesourcery.com>
3608 * config/arm/neon.md (neon_type): Move to arm.md.
3609 (neon_mov<VSTRUCT>): Add neon_type attribute.
3610 * config/arm/arm.md (neon_type): Move to here.
3611 (conds): Add "unconditioal" and use as default for NEON insns.
3613 2009-01-24 Ben Elliston <bje@au.ibm.com>
3615 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3616 void *' warning from -Wc++-compat.
3617 * Makefile.in (dominance.o-warn): Remove.
3619 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3621 PR tree-optimization/38932
3622 * fold-const.c (fold_unary_ignore_overflow): New.
3623 * tree.h (fold_unary_ignore_overflow): Declare.
3624 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3625 * tree-ssa-sccvn.c (visit_reference_op_load,
3626 simplify_unary_expression): Likewise.
3628 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3630 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3631 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3632 regardless of their type.
3633 * c-common.c (handle_packed_attribute): Don't ignore packed on
3634 bitfields.
3635 * c.opt (Wpacked-bitfield-compat): New warning option.
3636 * stor-layout.c (place_field): Warn if offset of a field changed.
3637 * doc/extend.texi (packed): Mention the ABI change.
3638 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3639 (Warning Options): Add it to the list.
3641 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3643 * c-opts.c (c_common_post_options): Fix a typo in comments.
3645 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3647 PR middle-end/38615
3648 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3649 variables to static.
3650 * doc/invoke.texi (-fmerge-all-constants): Update description.
3652 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3654 PR target/38931
3655 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3656 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3658 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3660 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3661 a word boundary.
3662 (LOCAL_ALIGNMENT): Similarly.
3664 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3665 Joseph Myers <joseph@codesourcery.com>
3667 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3668 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3669 * config/arm/arm-tune.md: Regenerate.
3670 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3671 -march=iwmmxt2.
3673 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3675 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3676 version number to five.
3678 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3680 PR c++/38930
3681 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3682 * c-common.c (set_underlying_type): Likewise.
3683 (is_typedef_decl ): Likewise
3684 * tree.h: Likewise
3685 (set_underlying_type): Likewise.
3686 (is_typedef_type): Likewise.
3688 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3690 PR middle-end/38587
3691 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3692 crossing setjmps.
3694 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3696 PR bootstrap/37660
3697 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3698 (LIBGCC_SPEC): Don't define.
3699 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3701 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3703 PR rtl-optimization/38879
3704 * alias.c (base_alias_check): Unaligned access via AND address can
3705 alias all surrounding object types except those with sizes equal
3706 or wider than the size of unaligned access.
3708 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3710 PR c++/26693
3711 * c-decl.c (clone_underlying_type): Move this ...
3712 * c-common.c (set_underlying_type): ... here.
3713 Also, make sure the function properly sets TYPE_STUB_DECL() on
3714 the newly created typedef variant type.
3715 (is_typedef_decl ): New entry point.
3716 * tree.h: Added a new member member_types_needing_access_check to
3717 struct tree_decl_non_common.
3718 (set_underlying_type): New entry point.
3719 (is_typedef_type): Likewise.
3721 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3723 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3724 Check whether two instructions have memory references that
3725 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3726 are helper functions for traversing.
3727 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3728 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3729 not to draw dependency edge for instructions with non-conflicting
3730 alias sets.
3732 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3734 PR other/38758
3735 * longlong.h: Update copyright years. Use soft-fp license notice.
3736 Sync __clz_tab declaration with glibc.
3738 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3740 PR target/30687
3741 * doc/extend.texi (syscall_linkage): New.
3742 (version_id): Modify.
3744 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3745 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/38747
3748 PR tree-optimization/38748
3749 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3750 conversion if the base address is an indirect reference and the
3751 aliasing sets could cause issues.
3753 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3755 * common.opt (fgraphite, fgraphite-identity): Add comment for
3756 explaining why these options are not documented.
3758 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3760 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3761 gimple_call_lhs is NULL.
3763 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3765 PR target/38868
3766 * emit-rtl.c (adjust_address_1): Make sure memref is never
3767 overwritten.
3769 2009-01-20 Ben Elliston <bje@au.ibm.com>
3771 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3772 const qualifier from arg parameter. Remove unnecessary cast to char *.
3773 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3774 const qualifier from arg 2.
3776 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3778 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3780 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3782 PR c/38869
3783 * rtl.h (reinit_regs): New prototype.
3784 * regclass.c: Include ira.h.
3785 (reinit_regs): New.
3786 * Makefile.in (regclass.o): Add ira.h.
3787 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3789 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3791 PR target/38736
3792 * c-common.c (handle_aligned_attribute): Use
3793 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3794 default alignment value.
3796 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3798 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3799 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3801 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3802 __BIGGEST_ALIGNMENT__.
3804 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3806 2009-01-18 Richard Guenther <rguenther@suse.de>
3808 PR tree-optimization/38819
3809 * tree-flow.h (operation_could_trap_helper_p): Declare.
3810 * tree-eh.c (operation_could_trap_helper_p): Export.
3811 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3812 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3813 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3814 are about to insert a possibly trapping instruction and fail
3815 in this case.
3817 2009-01-18 Andreas Schwab <schwab@suse.de>
3819 * doc/install.texi (Configuration): Remove obsolete paragraph
3820 about use of --with-gnu-ld with --with-gnu-as.
3822 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3824 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3825 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3826 Follow spelling conventions.
3828 2009-01-18 Ben Elliston <bje@au.ibm.com>
3830 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3831 C++ warning about implicit conversion from void * to struct
3832 bitmap_head_def *.
3833 (bitmap_obstack_free): Likewise for bitmap_element *.
3834 * Makefile.in (bitmap.o-warn): Remove.
3836 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3838 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3840 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3841 Tobias Grosser <tobi.grosser@amd.com>
3843 * graphite.c (graphite_trans_scop_block): Do not block single
3844 nested loops.
3846 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3848 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3849 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3850 test with assertion.
3852 2009-01-16 Richard Guenther <rguenther@suse.de>
3854 PR tree-optimization/38835
3855 PR middle-end/36227
3856 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3857 and INT + PTR -> (INT)(PTR p+ INT) folding.
3858 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3860 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3862 PR target/38554
3863 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3864 the subreg from a lowpart subreg if it is also casting the value.
3866 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3867 Tobias Grosser <tobi.grosser@amd.com>
3869 * graphite.c (compare_prefix_loops): New.
3870 (build_scop_canonical_schedules): Rewritten.
3871 (graphite_transform_loops): Move build_scop_canonical_schedules
3872 after build_scop_iteration_domain.
3874 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3875 Tobias Grosser <tobi.grosser@amd.com>
3877 * graphite.c (add_conditions_to_domain): Add the loops to
3878 the dimension of the iteration domain. Do copy the domain
3879 only when it exists.
3880 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3881 (add_conditions_to_constraints): New.
3882 (can_generate_code_stmt, can_generate_code): Removed.
3883 (gloog): Do not call can_generate_code.
3884 (graphite_transform_loops): Call add_conditions_to_constraints
3885 after building the iteration domain.
3887 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3889 PR tree-optimization/38789
3890 * tree-ssa-threadedge.c
3891 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3892 __builtin_constant_p.
3894 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3896 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3897 examined before deleting them.
3899 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3901 * function.c (aggregate_value_p): Correctly extract the function
3902 type from CALL_EXPR_FN lookup.
3904 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3906 * config/picochip/picochip.c (picochip_override_options): Revert
3907 CFI asm flag disable commited previously.
3909 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3910 Tobias Grosser <tobi.grosser@amd.com>
3911 Jan Sjodin <jan.sjodin@amd.com>
3913 * graphite.c (scan_tree_for_params): On substractions negate
3914 all the coefficients of the term.
3915 (clast_to_gcc_expression_red): New. Handle reduction expressions
3916 of more than two operands.
3917 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3918 (get_vdef_before_scop): Handle also the case of default definitions.
3920 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3922 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3923 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3924 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3926 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3927 Joey Ye <joey.ye@intel.com>
3929 PR middle-end/37843
3930 * cfgexpand.c (expand_stack_alignment): Don't update stack
3931 boundary nor check incoming stack boundary here.
3932 (gimple_expand_cfg): Update stack boundary and check incoming
3933 stack boundary here.
3935 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3937 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3939 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3941 PR rtl-optimization/38245
3942 * calls.c (expand_call): Add stack arguments to
3943 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3944 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3945 in regs and partially in memory or BLKmode arguments.
3946 (emit_library_call_value_1): Add stack arguments to
3947 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3948 ACCUMULATE_OUTGOING_ARGS).
3949 * dce.c: Include tm_p.h.
3950 (find_call_stack_args): New function.
3951 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3952 argument.
3953 (mark_insn): Call find_call_stack_args for CALL_Ps.
3954 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3955 forwards. Allocate and free arg_stores bitmap if needed, pass it
3956 down to deletable_insn_p, don't mark stores set in arg_stores
3957 bitmap, clear the bitmap at the beginning of each bb.
3958 * Makefile.in (dce.o): Depend on $(TM_P_H).
3960 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3962 PR target/22599
3963 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3964 to make sure the insn is a conditional test (bug 22599). Reformat a
3965 few long lines.
3967 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3969 PR middle-end/38431
3970 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3971 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3972 (gloog): Do not call cleanup_tree_cfg.
3973 (graphite_transform_loops): Call cleanup_tree_cfg after all
3974 scops have been code generated.
3976 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3977 * doc/gty.texi (Invoking the garbage collector): Added new node
3978 and section documenting ggc_collect.
3980 2009-01-14 Richard Guenther <rguenther@suse.de>
3982 PR tree-optimization/38826
3983 PR middle-end/38477
3984 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3985 initialization notes only if we actually emitted a warning.
3986 (intra_create_variable_infos): Add constraints for a result decl
3987 that is passed by hidden reference.
3988 (build_pred_graph): Mark all related variables non-direct on
3989 address-taking.
3991 2009-01-14 Nick Clifton <nickc@redhat.com>
3993 * ira-conflicts.c: Include addresses.h for the definition of
3994 base_reg_class.
3995 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3996 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3998 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
4000 PR target/38811
4001 * Makefile.in (ira-lives.o): Add except.h.
4003 * ira-lives.c: Include except.h.
4004 (process_bb_node_lives): Process can_throw_internal.
4006 2009-01-13 Jakub Jelinek <jakub@redhat.com>
4008 PR rtl-optimization/38774
4009 * combine.c (simplify_set): When undoing cc_use change, don't do
4010 PUT_CODE on the newly created comparison, but instead put back the
4011 old comparison.
4013 2009-01-13 Joseph Myers <joseph@codesourcery.com>
4015 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4016 values. Remove duplicate arm8 entry.
4018 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4020 PR tree-optimization/38786
4021 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4022 the SSA_NAME case of expand_scalar_variables_expr.
4023 Set the type of an expression to the type of its assign statement.
4024 (expand_scalar_variables_expr): Also gather the scalar computation
4025 used to index the memory access. Do not pass loop_p.
4026 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4027 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4028 the gimple_stmt_iterator where it inserts new code.
4029 Do not pass loop_p.
4030 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4031 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4033 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4035 * graphite.h (debug_value): Removed.
4036 * graphite.c (debug_value): Removed.
4038 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4040 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4041 ldrd/strd with two 32-bit instructions.
4043 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4045 * config/arm/arm.c (struct processors): Pass for speed down into
4046 cost helper functions.
4047 (const_ok_for_op): Handle COMPARE and inequality nodes.
4048 (arm_rtx_costs_1): Rewrite.
4049 (arm_size_rtx_costs): Update prototype.
4050 (arm_rtx_costs): Pass speed down to helper functions.
4051 (arm_slowmul_rtx_costs): Rework cost calculations.
4052 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4053 (arm_9e_rtx_costs): Likewise.
4055 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4057 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4058 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4059 (alpha_legitimize_address): Do not split local symbols wider than
4060 UNITS_PER_WORD into HIGH/LO_SUM parts.
4062 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4064 PR bootstrap/38580
4065 * gcc.c (process_command): Replace call to execvp with calls
4066 to pex_one and exit.
4068 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4070 PR target/29141
4071 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4072 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4073 variant for devices with 3-byte PC.
4074 (__tablejump_elpm__): New.
4076 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4078 PR c/32041
4079 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4080 offsetof member-designator, handle it as `[0].'.
4082 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4084 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4085 function when not using named sections on targets with named sections
4086 if branch distance is less than 262132.
4088 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4090 * combine.c (combine_instructions): Recompute
4091 optimize_this_for_speed_p for each BB in the main combine loop.
4093 2009-01-12 Tomas Bily <tbily@suse.cz>
4095 PR middlend/38385
4096 * tree-loop-distribution.c (prop_phis): New function.
4097 (generate_builtin): Call prop_phis.
4098 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4100 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4102 PR tree-optimization/38807
4103 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4104 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4106 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4108 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4109 subreg of op0 to the original op0.
4111 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4113 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4115 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4117 PR debug/7055
4118 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4119 starting with digits.
4121 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4123 PR target/38695
4124 * config/arm/arm.c (arm_is_long_call_p): Don't call
4125 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4127 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4129 * regrename.c (regrename_optimize): Fix dumping.
4130 (find_oldest_value_reg): Preserve REG_POINTER.
4131 (copy_hardreg_forward_1): Likewise.
4133 2009-01-09 Diego Novillo <dnovillo@google.com>
4135 * gimple.h (struct gimple_statement_base) <uid>: Document
4136 the restrictions on its use.
4137 (gimple_uid): Tidy.
4138 (gimple_set_uid): Tidy.
4140 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4142 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4143 zero guard even if align_bytes != 0 and count is smaller than
4144 size_needed.
4146 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4148 PR rtl-optimization/38495
4149 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4150 (add_range_and_copies_from_move_list): Print all added ranges.
4151 Add ranges to memory optimized destination.
4153 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4155 PR target/38686
4156 PR target/38708
4157 * config/i386/i386.c (override_options): Reject
4158 -mstringop-strategy=rep_8byte with -m32.
4159 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4160 to 1. Do count comparison against epilogue_size_needed at compile
4161 time even when count_exp was constant forced into register. For
4162 size_needed don't jump to epilogue, instead just avoid aligning
4163 and invoke the body algorithm. If need_zero_guard, add zero guard
4164 even if count is non-zero, but smaller than size_needed + number of
4165 bytes that could be stored for alignment.
4166 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4167 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4168 but smaller than size_needed + number of bytes that could be stored
4169 for alignment. Compare size_needed with epilogue_size_needed instead
4170 of desired_align - align, don't adjust size_needed, pass
4171 epilogue_size_needed to the epilogue expanders.
4173 PR c/35742
4174 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4176 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4178 * pa.c (last_address): Change to unsigned.
4179 (update_total_code_bytes): Change argument to unsigned. Don't
4180 check if insn addresses are set.
4181 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4182 addresses are not set.
4183 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4185 2009-01-09 Nick Clifton <nickc@redhat.com>
4187 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4188 DECL_DECLARED_INLINE_P.
4190 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4192 PR middle-end/38347
4193 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4194 GET_MODE (op0) in operand_subword_force calls.
4196 PR middle-end/38771
4197 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4198 fold_convert arg0 operands to TREE_TYPE (op0) first.
4200 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4202 * params.def (ira-max-conflict-table-size): Decrease default value
4203 to 1000.
4205 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4207 PR tree-optimization/37031
4208 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4209 on parameter_set.
4210 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4211 allocate it using gc instead of heap, use VEC_quick_push instead of
4212 VEC_safe_push.
4213 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4214 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4215 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4216 allocated vector from heap allocated.
4217 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4218 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4219 vector only after perfect_loop_nest_depth call.
4221 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4222 Jan Sjodin <jan.sjodin@amd.com>
4224 PR tree-optimization/38559
4225 * graphite.c (debug_value, copy_constraint,
4226 swap_constraint_variables, scale_constraint_variable, ): New.
4227 (get_lower_bound, get_upper_bound): Removed.
4228 (graphite_trans_bb_strip_mine): Clean up this code that works
4229 only for constant number of iterations. Fully copy upper and
4230 lower bound constraints, not only the constant part of them.
4231 * graphite.h (debug_value): Declared.
4233 2009-01-08 Ira Rosen <irar@il.ibm.com>
4235 PR tree-optimization/37194
4236 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4237 Don't add the cost of cost model guard in prologue to scalar
4238 outside cost in case of known number of iterations.
4240 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4241 Alan Modra <amodra@bigpond.net.au>
4243 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4244 non-word-aligned REG+CONST addressing.
4246 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4248 PR target/38706
4249 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4250 free_after_compilation when outputting a thunk.
4251 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4252 Do not call free_after_compilation here.
4254 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4256 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4257 (ix86_valid_target_attribute_inner_p): Ditto.
4259 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4261 PR tree-optimization/38492
4262 PR tree-optimization/38498
4263 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4264 * tree-chrec.h (scev_is_linear_expression): Declared.
4265 * graphite.c (graphite_cannot_represent_loop_niter): New.
4266 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4267 (graphite_loop_normal_form): Use gcc_assert.
4268 (scan_tree_for_params): Use CASE_CONVERT.
4269 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4270 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4271 Use gcc_assert. Discard scops that contain unhandled cases.
4272 (build_scop_conditions): Return a boolean status for unhandled cases.
4273 (strip_mine_profitable_p): Print the loop number, not its depth.
4274 (is_interchange_valid): Pass the depth of the loop nest, don't
4275 recompute it wrongly.
4276 (graphite_trans_bb_block): Same.
4277 (graphite_trans_bb_block): Print tentative of loop blocking.
4278 (graphite_trans_scop_block): Do not print that the loop has been
4279 blocked.
4280 (graphite_transform_loops): Do not handle scops that contain condition
4281 scalar phi nodes.
4283 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4285 AVX Programming Reference (December, 2008)
4286 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4287 (_mm256_stream_pd): Likewise.
4288 (_mm256_stream_ps): Likewise.
4290 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4291 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4292 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4293 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4294 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4295 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4296 (ix86_expand_special_args_builtin): Likewise.
4298 * config/i386/sse.md (AVXMODEDI): New.
4299 (avx_movnt<mode>): Likewise.
4300 (avx_movnt<mode>): Likewise.
4301 (<sse>_movnt<mode>): Remove AVX support.
4302 (sse2_movntv2di): Likewise.
4304 2009-01-07 Richard Guenther <rguenther@suse.de>
4306 PR middle-end/38751
4307 * fold-const.c (extract_muldiv): Remove obsolete comment.
4308 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4309 to PLUS_EXPR canonicalization for the canonicalization.
4311 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4313 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4314 hosted cross-compilers generating less efficient code.
4316 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4318 * function.h (rtl_data): Add a dbr_scheduled_p field.
4319 * reorg.c (dbr_schedule): Set it.
4320 (gate_handle_delay_slots): Check it.
4321 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4322 (mips_reorg): Check flag_delayed_branch instead of
4323 mips_base_delayed_branch.
4324 (mips_override_options): Don't set mips_base_delayed_branch
4325 or flag_delayed_branch.
4327 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4329 PR rtl-optimization/38426.
4330 * ira.c (ira): Set current_function_is_leaf earlier.
4332 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4334 PR rtl-optimization/38722
4335 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4336 too early, only set a flag and modify after last possible
4337 undo_all point.
4339 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4341 PR c/34252
4342 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4343 * real.c (decimal_single_format): Correct values of emin and emax.
4344 (decimal_double_format): Ditto.
4345 (decimal_quad_format): Ditto.
4346 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4347 computation of DECnn_MIN and DECnn_MAX for corrected values of
4348 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4349 __DECnn_MIN__, and adjust its computation for the corrected value
4350 of emin.
4352 2009-01-06 Jan Hubicka <jh@suse.cz>
4354 PR target/38744
4355 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4357 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4359 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4360 Add Robert Clark to the list of testers.
4362 2009-01-06 Jan Hubicka <jh@suse.cz>
4363 Kai Tietz <kai.tietz@onevision.com>
4365 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4366 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4368 2009-01-06 Jan Hubicka <jh@suse.cz>
4369 Kai Tietz <kai.tietz@onevision.com>
4371 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4372 for w64 ABI.
4373 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4374 (ix86_nsaved_regs): Count only general purpose regs.
4375 (ix86_nsaved_sseregs): New.
4376 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4377 to 16 for w64; compute padding and size of sse reg save area.
4378 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4379 general purpose regs.
4380 (ix86_emit_save_sse_regs_using_mov): New.
4381 (ix86_expand_prologue): Save SSE regs if needed.
4382 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4383 (ix86_emit_restore_sse_regs_using_mov): New.
4384 (ix86_expand_epilogue): Save SSE regs if needed.
4386 2009-01-06 Jan Hubicka <jh@suse.cz>
4387 Kai Tietz <kai.tietz@onevision.com>
4389 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4390 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4391 functions when accumulate outgoing args is off.
4393 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4395 PR bootstrap/38742
4396 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4397 before using pseudos_have_intersected_live_ranges_p.
4399 * ira-int.h (ira_assert): Always define.
4401 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4403 AVX Programming Reference (December, 2008)
4404 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4405 (_mm256_permute2_pd): Likewise.
4406 (_mm_permute2_ps): Likewise.
4407 (_mm256_permute2_ps): Likewise.
4408 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4409 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4411 * config/i386/i386.c (ix86_builtins): Remove
4412 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4413 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4414 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4415 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4416 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4417 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4418 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4419 __builtin_ia32_vpermil2ps256.
4420 (ix86_init_mmx_sse_builtins): Updated.
4421 (ix86_expand_args_builtin): Likewise.
4423 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4425 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4426 long absolute calls when generating PA 2.0 code.
4428 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4430 PR rtl-optimization/38583
4431 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4433 * params.def (ira-max-conflict-table-size): New.
4435 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4437 * ira.h (ira_conflicts_p): New external definition.
4439 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4440 table. Report this. Return result of building.
4441 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4442 building conflict table.
4444 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4445 (ira_color): Use ira_conflicts_p.
4447 * global.c: Include ira.h.
4448 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4449 ira_conflicts_p.
4451 * Makefile.in (global.o): Add ira.h.
4453 * ira-build.c (mark_all_loops_for_removal,
4454 propagate_some_info_from_allocno): New.
4455 (remove_unnecessary_allocnos): Call
4456 propagate_some_info_from_allocno.
4457 (remove_low_level_allocnos): New.
4458 (remove_unnecessary_regions): Add parameter. Call
4459 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4460 parameter to remove_unnecessary_regions.
4461 (ira_build): Remove all regions but root if the conflict table was
4462 not built. Update conflict hard regs for allocnos crossing calls.
4464 * ira.c (ira_conflicts_p): New global.
4465 (ira): Define and use ira_conflicts_p.
4467 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4468 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4469 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4471 2009-01-06 Ben Elliston <bje@au.ibm.com>
4473 * gengtype-lex.l (YY_NO_INPUT): Define.
4475 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4477 PR c/34911
4478 * c-common.c (handle_vector_size_attribute): Also reject
4479 BOOLEAN_TYPE types.
4481 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4483 PR tree-optimization/38492
4484 * graphite.c (rename_map_elt, debug_rename_elt,
4485 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4486 rename_map_elt_info, eq_rename_map_elts,
4487 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4488 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4489 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4490 (sese_build_livein_liveouts): New.
4491 (new_sese, free_sese): New.
4492 (new_scop): Call new_sese.
4493 (free_scop): Call free_sese.
4494 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4495 (register_old_new_names): Renamed register_old_and_new_names.
4496 (register_scop_liveout_renames, add_loop_exit_phis,
4497 insert_loop_close_phis, struct igp,
4498 default_liveout_before_guard, add_guard_exit_phis,
4499 insert_guard_phis, copy_renames): New.
4500 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4501 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4502 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4503 (scop_adjust_phis_for_liveouts): New.
4504 (gloog): Call scop_adjust_phis_for_liveouts.
4506 * graphite.h (struct sese): Documented. Added fields liveout,
4507 num_ver and livein.
4508 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4509 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4510 (struct scop): Added field liveout_renames.
4511 (SCOP_LIVEOUT_RENAMES): New.
4513 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4515 PR tree-optimization/38510
4516 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4517 (translate_clast): Call recompute_all_dominators before
4518 graphite_verify.
4519 (gloog): Call recompute_all_dominators before graphite_verify.
4521 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4522 Jan Sjodin <jan.sjodin@amd.com>
4524 PR tree-optimization/38500
4525 * graphite.c (create_sese_edges): Call fix_loop_structure after
4526 splitting blocks.
4528 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4530 * config.gcc: Add m32r*-*-rtems*.
4531 * config/m32r/rtems.h: New file.
4533 2009-01-05 Ben Elliston <bje@au.ibm.com>
4535 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4536 (.po.pox): Likewise.
4537 (po/gcc.pot): Likewise.
4539 2009-01-04 David S. Miller <davem@davemloft.net>
4541 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4542 (STARTING_FRAME_OFFSET): Always set to zero.
4544 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4546 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4547 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4548 fixed-point types, and vectors of the same.
4550 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4552 * config/mips/sync.md (*mb_barrier): Rename to...
4553 (*memory_barrier): ...this.
4555 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4557 * doc/extend.texi (Function Attributes): Move @cindex after @item
4558 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4559 and put in alphabetical order. Fix 'target' name and put in order.
4560 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4561 typos.
4563 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4565 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4566 (memory_barrier): Expand as unspec instead of unspec_volatile.
4567 Remove mem:BLK from insn operands. Use Pmode scratch register.
4568 (*memory_barrier): Define as unspec instead of unspec_volatile.
4569 Use (match_dup 0) as input operand.
4571 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4572 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4573 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4574 scratch register. Remove operand 1.
4575 (*stbar): Define as unspec instead of unspec_volatile.
4576 Use (match_dup 0) as input operand, remove (const_int 8).
4577 (*membar): Define as unspec instead of unspec_volatile.
4578 Use (match_dup 0) as input operand, remove input operand 2.
4580 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4581 (memory_barrier): Expand as unspec instead of unspec_volatile.
4582 Remove mem:BLK from insn operands. Use Pmode scratch register.
4583 (*memory_barrier): Define as unspec instead of unspec_volatile.
4584 Use (match_dup 0) as input operand.
4586 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4587 Remove mem:BLK from insn operands. Use Pmode scratch register.
4588 Set volatile flag on operand 0.
4589 (*memory_barrier): New insn pattern.
4591 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4592 insn operands.
4593 (*memory_barrier): Use (match_dup 0) as input operand.
4595 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4596 Remove mem:BLK from insn operands. Use Pmode scratch register.
4597 Set volatile flag on operand 0.
4598 (*mb_internal): New insn pattern.
4600 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4602 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4604 PR middle-end/38586
4605 * function.c (struct temp_slot): Move to the section of the file
4606 that deals with temp slots. Remove field 'address'.
4607 (temp_slot_address_table): New hash table of address -> temp slot.
4608 (struct temp_slot_address_entry): New struct, items for the table.
4609 (temp_slot_address_compute_hash, temp_slot_address_hash,
4610 temp_slot_address_eq, insert_temp_slot_address): Support functions
4611 for the new table.
4612 (find_temp_slot_from_address): Rewrite to use the new hash table.
4613 (remove_unused_temp_slot_addresses): Remove addresses of temp
4614 slots that have been made available.
4615 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4616 worker function for remove_unused_temp_slot_addresses.
4617 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4618 Add the temp slot address to the address -> temp slot map.
4619 (update_temp_slot_address): Update via insert_temp_slot_address.
4620 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4621 (pop_temp_slots): Likewise.
4622 (init_temp_slots): Allocate the address -> temp slot map, or empty
4623 the map if it is already allocated.
4624 (prepare_function_start): Initialize temp slot processing.
4626 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4628 PR middle-end/38584
4629 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4630 Calculate the size of all stack vars assuming no packing of stack
4631 vars will happen, replacing a quadratic algorithm with a linear one.
4633 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4635 PR target/38707
4636 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4637 can't be used.
4639 2009-01-03 Diego Novillo <dnovillo@google.com>
4641 * doc/contrib.texi: Update contributions.
4643 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4645 PR c++/38705
4646 * builtins.c (fold_builtin_memory_op): Give up if either operand
4647 is volatile. Set srctype or desttype to non-qualified version
4648 of the other type.
4650 PR c/38700
4651 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4652 and FUNCTION_DECLs.
4654 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4656 PR rtl-optimization/35805
4657 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4658 problem if fast dce is able to remove any instructions.
4659 * dce.c (dce_process_block): Fix dump message.
4661 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4663 PR 33649
4664 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4666 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4668 PR middle-end/38690
4669 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4670 * tree-pretty-print.c (op_code_prio): New function.
4671 (op_prio): No longer static. Use op_code_prio.
4672 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4673 Use op_prio and op_code_prio to determine if () should be
4674 printed around operand(s) or not.
4676 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4677 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4678 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4679 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4680 pp_character instead of pp_string for single letter printing.
4682 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4684 * doc/extend.texi: Fix '#pragma GCC option' typo.
4686 2009-01-02 Richard Guenther <rguenther@suse.de>
4688 * doc/install.texi (--enable-checking): Mention different
4689 default for stage1.
4690 (--enable-stage1-checking): Document.
4692 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4694 PR middle-end/30142
4695 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4696 case to be an error.
4698 2009-01-02 Ben Elliston <bje@au.ibm.com>
4700 * config/fp-bit.h (pack_d): Constify argument.
4701 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4702 (isnan): Constify argument.
4703 (isinf): Likewise.
4704 (iszero): Likewise.
4705 (pack_d): Likewise.
4706 (_fpadd_parts): Constify return type.
4707 (_fpmul_parts): Likewise.
4708 (_fpdiv_parts): Likewise.
4710 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4712 PR c/36489
4713 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4714 warn about overwriting initializer with side-effects or
4715 -Woverride-init if !IMPLICIT.
4716 (output_init_element): Likewise. Pass IMPLICIT down to
4717 add_pending_init.
4718 (process_init_element): Add IMPLICIT argument. Pass it down
4719 to output_init_element.
4720 (push_init_element, pop_init_level, set_designator): Adjust
4721 process_init_element callers.
4722 (set_nonincremental_init, set_nonincremental_init_from_string):
4723 Adjust add_pending_init callers.
4724 (output_pending_init_elements): Adjust output_init_element callers.
4725 * c-tree.h (process_init_element): Adjust prototype.
4726 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4727 process_init_element callers.